Warning: Permanently added '10.128.1.207' (ED25519) to the list of known hosts. 1970/01/01 00:00:58 parsed 1 programs [ 60.088148][ T4714] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 64.835236][ T4751] chnl_net:caif_netlink_parms(): no params data found [ 64.934890][ T4751] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.938087][ T4751] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.947842][ T4751] device bridge_slave_0 entered promiscuous mode [ 64.971740][ T4751] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.972878][ T4751] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.974877][ T4751] device bridge_slave_1 entered promiscuous mode [ 65.040997][ T4751] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.042703][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.043998][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.046288][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.049622][ T4751] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.069680][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.070974][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.072695][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.075814][ T4751] team0: Port device team_slave_0 added [ 65.078857][ T4751] team0: Port device team_slave_1 added [ 65.087393][ T4751] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.088501][ T4751] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.096331][ T4751] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.100023][ T4751] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.101144][ T4751] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.105011][ T4751] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.138270][ T4751] device hsr_slave_0 entered promiscuous mode [ 65.187226][ T4751] device hsr_slave_1 entered promiscuous mode [ 65.878495][ T4751] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.907426][ T4751] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.948179][ T4751] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.998748][ T4751] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.033787][ T4751] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.038713][ T473] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.040370][ T473] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.043331][ T4751] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.045817][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.047958][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.049412][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.050557][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.051853][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.056165][ T473] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.057637][ T473] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.059017][ T473] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.060072][ T473] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.066727][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.069659][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.076234][ T4751] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.080089][ T4751] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.083378][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.085302][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.086818][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.089166][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.090609][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.092001][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.093508][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.095003][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.096381][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.098797][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.155102][ T4751] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.159135][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.160381][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.165860][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.167589][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.178704][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.180285][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.182870][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.185672][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.191518][ T4751] device veth0_vlan entered promiscuous mode [ 66.194847][ T4751] device veth1_vlan entered promiscuous mode [ 66.203182][ T4751] device veth0_macvtap entered promiscuous mode [ 66.205392][ T4751] device veth1_macvtap entered promiscuous mode [ 66.206666][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.209251][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.220961][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.222505][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.223983][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.225447][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.230692][ T4751] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.231956][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.233603][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.238557][ T4751] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.240878][ T4751] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.242124][ T4751] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.243284][ T4751] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.244442][ T4751] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.246375][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.248440][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:06 executed programs: 0 [ 66.566731][ T4936] chnl_net:caif_netlink_parms(): no params data found [ 66.622830][ T4938] chnl_net:caif_netlink_parms(): no params data found [ 66.643611][ T4935] chnl_net:caif_netlink_parms(): no params data found [ 66.649153][ T4947] chnl_net:caif_netlink_parms(): no params data found [ 66.662549][ T4936] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.663657][ T4936] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.665223][ T4936] device bridge_slave_0 entered promiscuous mode [ 66.684506][ T4936] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.685757][ T4936] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.688290][ T4936] device bridge_slave_1 entered promiscuous mode [ 66.725482][ T4936] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.733367][ T4935] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.734551][ T4935] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.736779][ T4935] device bridge_slave_0 entered promiscuous mode [ 66.746878][ T4938] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.748459][ T4938] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.749985][ T4938] device bridge_slave_0 entered promiscuous mode [ 66.767724][ T4936] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.772679][ T4947] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.773833][ T4947] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.775304][ T4947] device bridge_slave_0 entered promiscuous mode [ 66.777227][ T4935] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.778302][ T4935] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.779725][ T4935] device bridge_slave_1 entered promiscuous mode [ 66.781331][ T4938] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.782632][ T4938] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.784124][ T4938] device bridge_slave_1 entered promiscuous mode [ 66.792720][ T4947] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.794546][ T4947] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.795957][ T4947] device bridge_slave_1 entered promiscuous mode [ 66.813854][ T4936] team0: Port device team_slave_0 added [ 66.815744][ T4936] team0: Port device team_slave_1 added [ 66.820826][ T4948] chnl_net:caif_netlink_parms(): no params data found [ 66.835180][ T4947] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.845884][ T4938] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.861645][ T4947] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.864328][ T4935] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.866765][ T4938] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.871518][ T4936] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.872551][ T4936] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.876202][ T4936] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.878735][ T4936] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.879714][ T4936] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.883707][ T4936] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.892543][ T4935] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.912940][ T4938] team0: Port device team_slave_0 added [ 66.929311][ T4938] team0: Port device team_slave_1 added [ 66.934636][ T4947] team0: Port device team_slave_0 added [ 66.936444][ T4947] team0: Port device team_slave_1 added [ 66.943021][ T4935] team0: Port device team_slave_0 added [ 66.978231][ T4936] device hsr_slave_0 entered promiscuous mode [ 67.007271][ T4936] device hsr_slave_1 entered promiscuous mode [ 67.047067][ T4936] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.048279][ T4936] Cannot create hsr debugfs directory [ 67.049197][ T4948] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.050312][ T4948] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.051783][ T4948] device bridge_slave_0 entered promiscuous mode [ 67.060239][ T4935] team0: Port device team_slave_1 added [ 67.070629][ T4948] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.071849][ T4948] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.073252][ T4948] device bridge_slave_1 entered promiscuous mode [ 67.075182][ T4938] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.076283][ T4938] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.080080][ T4938] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.084821][ T4947] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.085860][ T4947] 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. [ 67.090980][ T4947] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.093670][ T4935] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.094737][ T4935] 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. [ 67.099249][ T4935] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.105499][ T4938] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.106557][ T4938] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.110865][ T4938] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.114450][ T4947] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.115451][ T4947] 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. [ 67.122816][ T4947] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.124862][ T4935] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.125919][ T4935] 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. [ 67.130651][ T4935] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.143119][ T4948] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.145627][ T4948] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.218234][ T4938] device hsr_slave_0 entered promiscuous mode [ 67.257325][ T4938] device hsr_slave_1 entered promiscuous mode [ 67.297402][ T4938] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.298617][ T4938] Cannot create hsr debugfs directory [ 67.305468][ T4948] team0: Port device team_slave_0 added [ 67.308581][ T4948] team0: Port device team_slave_1 added [ 67.355701][ T4936] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.398385][ T4935] device hsr_slave_0 entered promiscuous mode [ 67.437369][ T4935] device hsr_slave_1 entered promiscuous mode [ 67.467227][ T4935] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.468436][ T4935] Cannot create hsr debugfs directory [ 67.498540][ T4948] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.499671][ T4948] 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. [ 67.503639][ T4948] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.548127][ T4947] device hsr_slave_0 entered promiscuous mode [ 67.597138][ T4947] device hsr_slave_1 entered promiscuous mode [ 67.647003][ T4947] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.648065][ T4947] Cannot create hsr debugfs directory [ 67.662302][ T4948] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.663480][ T4948] 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. [ 67.671533][ T4948] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.778463][ T4948] device hsr_slave_0 entered promiscuous mode [ 67.821014][ T4948] device hsr_slave_1 entered promiscuous mode [ 67.857547][ T4948] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.858753][ T4948] Cannot create hsr debugfs directory [ 68.487592][ T4152] Bluetooth: hci5: command 0x0409 tx timeout [ 68.488943][ T4152] Bluetooth: hci4: command 0x0409 tx timeout [ 68.489806][ T4152] Bluetooth: hci3: command 0x0409 tx timeout [ 68.490759][ T4152] Bluetooth: hci1: command 0x0409 tx timeout [ 68.497163][ T4899] Bluetooth: hci2: command 0x0409 tx timeout [ 69.540764][ T4936] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.608824][ T1541] cfg80211: failed to load regulatory.db [ 69.610704][ T2065] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.611700][ T2065] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.567049][ T1541] Bluetooth: hci2: command 0x041b tx timeout [ 70.568251][ T1541] Bluetooth: hci1: command 0x041b tx timeout [ 70.569142][ T1541] Bluetooth: hci3: command 0x041b tx timeout [ 70.570050][ T1541] Bluetooth: hci4: command 0x041b tx timeout [ 70.571228][ T1541] Bluetooth: hci5: command 0x041b tx timeout [ 71.530448][ T4936] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.581149][ T4936] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.296124][ T4936] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.358358][ T4936] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.385898][ T4936] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.429002][ T4936] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.476292][ T4948] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.508547][ T4948] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.548358][ T4948] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.588094][ T4948] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.647734][ T4151] Bluetooth: hci5: command 0x040f tx timeout [ 72.648837][ T4151] Bluetooth: hci4: command 0x040f tx timeout [ 72.649785][ T4151] Bluetooth: hci3: command 0x040f tx timeout [ 72.650690][ T4151] Bluetooth: hci1: command 0x040f tx timeout [ 72.651574][ T4151] Bluetooth: hci2: command 0x040f tx timeout [ 72.654209][ T4935] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.691498][ T4935] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.738974][ T4935] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.796792][ T4935] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.871128][ T4947] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 72.933261][ T4947] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 72.991511][ T4947] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.018510][ T4947] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.062911][ T4936] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.066372][ T4938] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 73.112790][ T4936] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.129405][ T4938] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 73.161562][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.163072][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.164288][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.165684][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.167361][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.168461][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.170019][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.185291][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.186918][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.189017][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.190154][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.191565][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.193135][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.194764][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.196790][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.200552][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.202110][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.203494][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.204972][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.206448][ T4938] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 73.261557][ T4948] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.266270][ T4948] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.274846][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.276408][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.278429][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.279814][ T4938] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 73.310541][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.312063][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.313421][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.314510][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.315940][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.338096][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.339729][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.341181][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.342245][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.343561][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.345026][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.346424][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.353892][ T4936] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.381802][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.383568][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.385688][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.387682][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.389556][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.391046][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.392497][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.394140][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.403478][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.405095][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.411524][ T4935] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.414576][ T4948] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.434337][ T473] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.435837][ T473] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.441075][ T4935] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.463509][ T4936] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.469656][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.470930][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.472127][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.473685][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.475020][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.476028][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.479009][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.480603][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.481981][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.482981][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.504125][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.505731][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.507848][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.520929][ T4938] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.534865][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.536647][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.539508][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.540971][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.542194][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.543726][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.548882][ T4947] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.551314][ T4948] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.572701][ T4936] device veth0_vlan entered promiscuous mode [ 73.575110][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.576609][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.578735][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.580021][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.581617][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.583368][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.584823][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.586254][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.595452][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.596840][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.599130][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.600650][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.602292][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.604946][ T4947] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.610295][ T4935] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.612114][ T4935] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.614747][ T4938] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.623246][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.624863][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.626243][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.627267][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.629179][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.635588][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.637416][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.638817][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.640701][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.641783][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.650914][ T4936] device veth1_vlan entered promiscuous mode [ 73.659125][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.660741][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.662222][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.663682][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.665646][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.671913][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.673432][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.674530][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.675874][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.679501][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.681262][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.682760][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.684201][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.685339][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.700787][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.703628][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.705152][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.714809][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.716413][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.720469][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.742380][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.743966][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.745408][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.753148][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.754855][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.756422][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.762369][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.763776][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.765188][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.766704][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.772411][ T4936] device veth0_macvtap entered promiscuous mode [ 73.776285][ T4947] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.784178][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.785808][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.788659][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.790257][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.800580][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.803403][ T4936] device veth1_macvtap entered promiscuous mode [ 73.810090][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.811579][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.813006][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.814436][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.816099][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.831185][ T4938] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.841501][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.842723][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.857901][ T4935] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.864401][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.866091][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.878722][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.880282][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.882001][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.883370][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.894343][ T4936] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.895907][ T4936] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.898638][ T4936] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.911322][ T4948] device veth0_vlan entered promiscuous mode [ 73.913105][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.914731][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.926211][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.927890][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.932420][ T4947] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.934189][ T4948] device veth1_vlan entered promiscuous mode [ 73.936341][ T4936] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.938648][ T4936] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.940729][ T4936] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.946237][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.948657][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.950186][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.983117][ T4935] device veth0_vlan entered promiscuous mode [ 73.984466][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.985983][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.989943][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.991830][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.993302][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.000027][ T4938] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.003848][ T4936] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.005105][ T4936] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.006383][ T4936] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.009005][ T4936] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.022881][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.024345][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.025624][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.026781][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.028459][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.030050][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.033155][ T4948] device veth0_macvtap entered promiscuous mode [ 74.045837][ T4948] device veth1_macvtap entered promiscuous mode [ 74.058542][ T4935] device veth1_vlan entered promiscuous mode [ 74.080190][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.081749][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.083140][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.084597][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.085953][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.088647][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.092961][ T4948] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.094462][ T4948] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.095793][ T4948] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.098117][ T4948] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.100319][ T4948] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.105199][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.106612][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.109619][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.111198][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.113047][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.113978][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.114284][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.116653][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.119207][ T4947] device veth0_vlan entered promiscuous mode [ 74.129970][ T4947] device veth1_vlan entered promiscuous mode [ 74.132148][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.133727][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.142725][ T5415] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.143892][ T5415] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.145149][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.146597][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.149291][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.150680][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.152036][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.154217][ T4938] device veth0_vlan entered promiscuous mode [ 74.158497][ T4948] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.160132][ T4948] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.161485][ T4948] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.162965][ T4948] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.164925][ T4948] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.166780][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.171635][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.193024][ T4935] device veth0_macvtap entered promiscuous mode [ 74.196736][ T4948] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.201860][ T4948] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.203126][ T4948] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.204321][ T4948] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:14 executed programs: 10 [ 74.238878][ T4938] device veth1_vlan entered promiscuous mode [ 74.245914][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.248013][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.249299][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.250871][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.253510][ T4947] device veth0_macvtap entered promiscuous mode [ 74.256079][ T4947] device veth1_macvtap entered promiscuous mode [ 74.266177][ T4935] device veth1_macvtap entered promiscuous mode [ 74.308921][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.310522][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.311853][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.313229][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.319165][ T4935] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.320807][ T4935] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.322395][ T4935] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.323929][ T4935] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.328785][ T4935] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.330318][ T4935] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.335339][ T4935] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.342061][ T4947] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.343777][ T4947] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.345313][ T4947] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.354327][ T4947] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.355834][ T4947] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.359055][ T4947] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.361865][ T4947] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.363498][ T4947] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.373812][ T4947] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.376172][ T4947] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.378690][ T4947] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.380138][ T4947] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.381697][ T4947] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.383123][ T4947] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.386792][ T4947] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.390076][ T4947] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.394873][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.396500][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.400271][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.401913][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.404041][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.405476][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.434460][ T5461] loop0: detected capacity change from 0 to 32768 [ 74.441823][ T4935] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.443404][ T4935] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.444900][ T4935] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.446573][ T4935] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.454589][ T4935] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.456041][ T4935] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.459502][ T5461] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 74.460759][ T5461] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 74.462333][ T4935] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.464513][ T4935] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.468117][ T4935] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.485594][ T5461] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 74.498359][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.500005][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.505929][ T4947] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.511738][ T4947] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.513151][ T4947] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.514444][ T4947] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.524784][ T5461] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 74.556433][ T4935] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.558913][ T4935] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.560193][ T4935] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.561503][ T4935] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.605673][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.607367][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.610967][ T4938] device veth0_macvtap entered promiscuous mode [ 74.613718][ T4938] device veth1_macvtap entered promiscuous mode [ 74.621754][ T5380] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.622944][ T5380] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.674981][ T1910] device hsr_slave_0 left promiscuous mode [ 74.717595][ T1910] device hsr_slave_1 left promiscuous mode [ 74.727246][ T4153] Bluetooth: hci2: command 0x0419 tx timeout [ 74.728321][ T4153] Bluetooth: hci1: command 0x0419 tx timeout [ 74.729249][ T4153] Bluetooth: hci3: command 0x0419 tx timeout [ 74.730193][ T4153] Bluetooth: hci4: command 0x0419 tx timeout [ 74.731139][ T4153] Bluetooth: hci5: command 0x0419 tx timeout [ 74.797192][ T1910] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 74.798397][ T1910] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 74.799910][ T1910] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 74.801074][ T1910] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 74.802548][ T1910] device bridge_slave_1 left promiscuous mode [ 74.803527][ T1910] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.837728][ T1910] device bridge_slave_0 left promiscuous mode [ 74.838744][ T1910] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.936500][ T5481] loop0: detected capacity change from 0 to 32768 [ 74.948344][ T5481] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 74.949578][ T5481] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 74.957236][ T1910] device veth1_macvtap left promiscuous mode [ 74.958242][ T1910] device veth0_macvtap left promiscuous mode [ 74.959120][ T1910] device veth1_vlan left promiscuous mode [ 74.960039][ T1910] device veth0_vlan left promiscuous mode [ 74.981050][ T5481] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 75.006453][ T5481] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 75.114684][ T1910] team0 (unregistering): Port device team_slave_1 removed [ 75.128140][ T1910] team0 (unregistering): Port device team_slave_0 removed [ 75.132595][ T1910] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 75.167912][ T1910] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 75.285181][ T1910] bond0 (unregistering): Released all slaves [ 75.356990][ T5483] loop0: detected capacity change from 0 to 32768 [ 75.379623][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.381082][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.382942][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.408385][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.410423][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.412124][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.423539][ T4938] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 75.425282][ T4938] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.426866][ T4938] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 75.429712][ T4938] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.431170][ T4938] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 75.432631][ T4938] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.434114][ T4938] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 75.435579][ T4938] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.441620][ T4938] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.459744][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.461352][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.485537][ T5483] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 75.487436][ T5483] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 75.514732][ T5483] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 75.548559][ T5415] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.549963][ T5415] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.562225][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.570261][ T5483] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 75.580667][ T4938] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 75.582259][ T4938] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.583887][ T4938] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 75.585450][ T4938] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.607736][ T4938] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 75.609286][ T4938] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.610760][ T4938] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 75.612488][ T4938] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.637039][ T4938] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.638849][ T5380] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.640112][ T5380] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.653778][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.655124][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.657134][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.658710][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.659968][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.661526][ T5415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.671446][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.672710][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.674258][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.720105][ T4938] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.721559][ T4938] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.722995][ T4938] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.724378][ T4938] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.875858][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.877153][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.888244][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.926241][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.927789][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.929675][ T5380] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.964914][ T5492] loop4: detected capacity change from 0 to 32768 [ 76.019339][ T5492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.020427][ T5492] CPU: 1 PID: 5492 Comm: syz.4.19 Not tainted syzkaller #0 [ 76.021425][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.022858][ T5492] Call trace: [ 76.023366][ T5492] dump_backtrace+0x0/0x43c [ 76.024089][ T5492] show_stack+0x2c/0x3c [ 76.024725][ T5492] __dump_stack+0x30/0x40 [ 76.025383][ T5492] dump_stack_lvl+0xf8/0x160 [ 76.026075][ T5492] dump_stack+0x1c/0x5c [ 76.026720][ T5492] sysfs_create_dir_ns+0x22c/0x24c [ 76.027520][ T5492] kobject_add_internal+0x590/0xc54 [ 76.028372][ T5492] kobject_init_and_add+0x118/0x17c [ 76.029198][ T5492] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.029937][ T5492] gfs2_fill_super+0xdac/0x19e0 [ 76.030673][ T5492] get_tree_bdev+0x358/0x544 [ 76.031339][ T5492] gfs2_get_tree+0x54/0x1b4 [ 76.032034][ T5492] vfs_get_tree+0x90/0x274 [ 76.032681][ T5492] do_new_mount+0x228/0x810 [ 76.033314][ T5492] path_mount+0x5b4/0x1000 [ 76.034015][ T5492] __arm64_sys_mount+0x514/0x5e4 [ 76.034678][ T5492] invoke_syscall+0x98/0x2b8 [ 76.035421][ T5492] el0_svc_common+0x138/0x258 [ 76.036090][ T5492] do_el0_svc+0x58/0x14c [ 76.036652][ T5492] el0_svc+0x78/0x1e0 [ 76.037236][ T5492] el0t_64_sync_handler+0xcc/0xe4 [ 76.038007][ T5492] el0t_64_sync+0x1a0/0x1a4 [ 76.107622][ T5492] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.109623][ T5492] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.266736][ T5504] loop1: detected capacity change from 0 to 32768 [ 76.286469][ T5508] loop3: detected capacity change from 0 to 32768 [ 76.332603][ T5504] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 76.334002][ T5504] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 76.363059][ T5504] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 76.372094][ T5508] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.373321][ T5508] CPU: 1 PID: 5508 Comm: syz.3.18 Not tainted syzkaller #0 [ 76.374341][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.376012][ T5508] Call trace: [ 76.376547][ T5508] dump_backtrace+0x0/0x43c [ 76.377378][ T5508] show_stack+0x2c/0x3c [ 76.378050][ T5508] __dump_stack+0x30/0x40 [ 76.378706][ T5508] dump_stack_lvl+0xf8/0x160 [ 76.379416][ T5508] dump_stack+0x1c/0x5c [ 76.380083][ T5508] sysfs_create_dir_ns+0x22c/0x24c [ 76.380890][ T5508] kobject_add_internal+0x590/0xc54 [ 76.381703][ T5508] kobject_init_and_add+0x118/0x17c [ 76.382525][ T5508] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.383248][ T5508] gfs2_fill_super+0xdac/0x19e0 [ 76.384001][ T5508] get_tree_bdev+0x358/0x544 [ 76.384657][ T5508] gfs2_get_tree+0x54/0x1b4 [ 76.385383][ T5508] vfs_get_tree+0x90/0x274 [ 76.386099][ T5508] do_new_mount+0x228/0x810 [ 76.386778][ T5508] path_mount+0x5b4/0x1000 [ 76.387479][ T5508] __arm64_sys_mount+0x514/0x5e4 [ 76.388319][ T5508] invoke_syscall+0x98/0x2b8 [ 76.389035][ T5508] el0_svc_common+0x138/0x258 [ 76.389744][ T5508] do_el0_svc+0x58/0x14c [ 76.390362][ T5508] el0_svc+0x78/0x1e0 [ 76.390946][ T5508] el0t_64_sync_handler+0xcc/0xe4 [ 76.391668][ T5508] el0t_64_sync+0x1a0/0x1a4 [ 76.429213][ T5515] loop2: detected capacity change from 0 to 32768 [ 76.443224][ T5508] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.445294][ T5508] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.447847][ T5504] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 76.494599][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.495710][ T5515] CPU: 1 PID: 5515 Comm: syz.2.17 Not tainted syzkaller #0 [ 76.496700][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.498247][ T5515] Call trace: [ 76.498775][ T5515] dump_backtrace+0x0/0x43c [ 76.499462][ T5515] show_stack+0x2c/0x3c [ 76.500117][ T5515] __dump_stack+0x30/0x40 [ 76.500798][ T5515] dump_stack_lvl+0xf8/0x160 [ 76.501493][ T5515] dump_stack+0x1c/0x5c [ 76.502081][ T5515] sysfs_create_dir_ns+0x22c/0x24c [ 76.502811][ T5515] kobject_add_internal+0x590/0xc54 [ 76.503537][ T5515] kobject_init_and_add+0x118/0x17c [ 76.504331][ T5515] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.505105][ T5515] gfs2_fill_super+0xdac/0x19e0 [ 76.505808][ T5515] get_tree_bdev+0x358/0x544 [ 76.506545][ T5515] gfs2_get_tree+0x54/0x1b4 [ 76.507202][ T5515] vfs_get_tree+0x90/0x274 [ 76.507820][ T5515] do_new_mount+0x228/0x810 [ 76.508542][ T5515] path_mount+0x5b4/0x1000 [ 76.509211][ T5515] __arm64_sys_mount+0x514/0x5e4 [ 76.509922][ T5515] invoke_syscall+0x98/0x2b8 [ 76.510569][ T5515] el0_svc_common+0x138/0x258 [ 76.511258][ T5515] do_el0_svc+0x58/0x14c [ 76.511913][ T5515] el0_svc+0x78/0x1e0 [ 76.512559][ T5515] el0t_64_sync_handler+0xcc/0xe4 [ 76.513374][ T5515] el0t_64_sync+0x1a0/0x1a4 [ 76.565943][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.568297][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.602754][ T5492] loop4: detected capacity change from 0 to 32768 [ 76.630223][ T5492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.631325][ T5492] CPU: 1 PID: 5492 Comm: syz.4.19 Not tainted syzkaller #0 [ 76.632328][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.633743][ T5492] Call trace: [ 76.634232][ T5492] dump_backtrace+0x0/0x43c [ 76.634958][ T5492] show_stack+0x2c/0x3c [ 76.635609][ T5492] __dump_stack+0x30/0x40 [ 76.636275][ T5492] dump_stack_lvl+0xf8/0x160 [ 76.636965][ T5492] dump_stack+0x1c/0x5c [ 76.637602][ T5492] sysfs_create_dir_ns+0x22c/0x24c [ 76.638410][ T5492] kobject_add_internal+0x590/0xc54 [ 76.639195][ T5492] kobject_init_and_add+0x118/0x17c [ 76.640145][ T5492] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.640950][ T5492] gfs2_fill_super+0xdac/0x19e0 [ 76.641719][ T5492] get_tree_bdev+0x358/0x544 [ 76.642541][ T5492] gfs2_get_tree+0x54/0x1b4 [ 76.643271][ T5492] vfs_get_tree+0x90/0x274 [ 76.643929][ T5492] do_new_mount+0x228/0x810 [ 76.644644][ T5492] path_mount+0x5b4/0x1000 [ 76.645304][ T5492] __arm64_sys_mount+0x514/0x5e4 [ 76.646117][ T5492] invoke_syscall+0x98/0x2b8 [ 76.646830][ T5492] el0_svc_common+0x138/0x258 [ 76.647529][ T5492] do_el0_svc+0x58/0x14c [ 76.648212][ T5492] el0_svc+0x78/0x1e0 [ 76.648830][ T5492] el0t_64_sync_handler+0xcc/0xe4 [ 76.649610][ T5492] el0t_64_sync+0x1a0/0x1a4 [ 76.711317][ T5523] loop0: detected capacity change from 0 to 32768 [ 76.724489][ T5492] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.726527][ T5492] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.762294][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.763365][ T5523] CPU: 0 PID: 5523 Comm: syz.0.22 Not tainted syzkaller #0 [ 76.764389][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.765757][ T5523] Call trace: [ 76.766255][ T5523] dump_backtrace+0x0/0x43c [ 76.766845][ T5523] show_stack+0x2c/0x3c [ 76.767480][ T5523] __dump_stack+0x30/0x40 [ 76.768143][ T5523] dump_stack_lvl+0xf8/0x160 [ 76.768852][ T5523] dump_stack+0x1c/0x5c [ 76.769487][ T5523] sysfs_create_dir_ns+0x22c/0x24c [ 76.770295][ T5523] kobject_add_internal+0x590/0xc54 [ 76.771060][ T5523] kobject_init_and_add+0x118/0x17c [ 76.771971][ T5523] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.772694][ T5523] gfs2_fill_super+0xdac/0x19e0 [ 76.773486][ T5523] get_tree_bdev+0x358/0x544 [ 76.774223][ T5523] gfs2_get_tree+0x54/0x1b4 [ 76.774931][ T5523] vfs_get_tree+0x90/0x274 [ 76.775682][ T5523] do_new_mount+0x228/0x810 [ 76.776420][ T5523] path_mount+0x5b4/0x1000 [ 76.777073][ T5523] __arm64_sys_mount+0x514/0x5e4 [ 76.777786][ T5523] invoke_syscall+0x98/0x2b8 [ 76.778441][ T5523] el0_svc_common+0x138/0x258 [ 76.779150][ T5523] do_el0_svc+0x58/0x14c [ 76.779781][ T5523] el0_svc+0x78/0x1e0 [ 76.780367][ T5523] el0t_64_sync_handler+0xcc/0xe4 [ 76.781085][ T5523] el0t_64_sync+0x1a0/0x1a4 [ 76.854140][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.856196][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.211530][ T5508] loop3: detected capacity change from 0 to 32768 [ 77.239724][ T5515] loop2: detected capacity change from 0 to 32768 [ 77.269323][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.269407][ T5508] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 77.270497][ T5515] CPU: 1 PID: 5515 Comm: syz.2.17 Not tainted syzkaller #0 [ 77.271826][ T5508] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 77.273035][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.275433][ T5515] Call trace: [ 77.275921][ T5515] dump_backtrace+0x0/0x43c [ 77.276666][ T5515] show_stack+0x2c/0x3c [ 77.277330][ T5515] __dump_stack+0x30/0x40 [ 77.278035][ T5515] dump_stack_lvl+0xf8/0x160 [ 77.278807][ T5515] dump_stack+0x1c/0x5c [ 77.279474][ T5515] sysfs_create_dir_ns+0x22c/0x24c [ 77.280285][ T5515] kobject_add_internal+0x590/0xc54 [ 77.281169][ T5515] kobject_init_and_add+0x118/0x17c [ 77.281946][ T5515] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.282713][ T5515] gfs2_fill_super+0xdac/0x19e0 [ 77.283548][ T5515] get_tree_bdev+0x358/0x544 [ 77.284270][ T5515] gfs2_get_tree+0x54/0x1b4 [ 77.284894][ T5515] vfs_get_tree+0x90/0x274 [ 77.285535][ T5515] do_new_mount+0x228/0x810 [ 77.286179][ T5515] path_mount+0x5b4/0x1000 [ 77.286844][ T5515] __arm64_sys_mount+0x514/0x5e4 [ 77.287574][ T5515] invoke_syscall+0x98/0x2b8 [ 77.288328][ T5515] el0_svc_common+0x138/0x258 [ 77.289064][ T5515] do_el0_svc+0x58/0x14c [ 77.289739][ T5515] el0_svc+0x78/0x1e0 [ 77.290343][ T5515] el0t_64_sync_handler+0xcc/0xe4 [ 77.291163][ T5515] el0t_64_sync+0x1a0/0x1a4 [ 77.304334][ T5508] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 77.314853][ T4900] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 77.315916][ T4900] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 77.363755][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.365662][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.381811][ T4900] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 65ms [ 77.383555][ T4900] gfs2: fsid=syz:syz.0: jid=0: Done [ 77.384637][ T5508] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 77.388633][ T5543] loop4: detected capacity change from 0 to 32768 [ 77.444915][ T5523] loop0: detected capacity change from 0 to 32768 [ 77.449442][ T5508] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 77.461250][ T149] [ 77.461639][ T149] ====================================================== [ 77.462647][ T149] WARNING: possible circular locking dependency detected [ 77.463604][ T149] syzkaller #0 Not tainted [ 77.464239][ T149] ------------------------------------------------------ [ 77.465174][ T149] kworker/0:1H/149 is trying to acquire lock: [ 77.465973][ T149] ffff0000d8a3a0e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x374 [ 77.467424][ T149] [ 77.467424][ T149] but task is already holding lock: [ 77.468553][ T149] ffff80001be37c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 77.470433][ T149] [ 77.470433][ T149] which lock already depends on the new lock. [ 77.470433][ T149] [ 77.471943][ T149] [ 77.471943][ T149] the existing dependency chain (in reverse order) is: [ 77.473350][ T149] [ 77.473350][ T149] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 77.474904][ T149] process_one_work+0x6e0/0x1140 [ 77.475709][ T149] worker_thread+0x8f4/0x101c [ 77.476525][ T149] kthread+0x374/0x454 [ 77.477278][ T149] ret_from_fork+0x10/0x20 [ 77.478117][ T149] [ 77.478117][ T149] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 77.479654][ T149] flush_workqueue+0x11c/0x1024 [ 77.480514][ T149] gfs2_gl_hash_clear+0xb8/0x2cc [ 77.481346][ T149] gfs2_put_super+0x614/0x6bc [ 77.482129][ T149] generic_shutdown_super+0x130/0x2f0 [ 77.483087][ T149] kill_block_super+0x70/0xdc [ 77.483876][ T149] gfs2_kill_sb+0xc0/0xd4 [ 77.484583][ T149] deactivate_locked_super+0xb8/0x13c [ 77.485512][ T149] deactivate_super+0xf8/0x118 [ 77.486366][ T149] cleanup_mnt+0x3a4/0x458 [ 77.487168][ T149] __cleanup_mnt+0x20/0x30 [ 77.487922][ T149] task_work_run+0x12c/0x1e0 [ 77.488752][ T149] do_notify_resume+0x24b4/0x3128 [ 77.489593][ T149] el0_svc+0xf0/0x1e0 [ 77.490333][ T149] el0t_64_sync_handler+0xcc/0xe4 [ 77.491166][ T149] el0t_64_sync+0x1a0/0x1a4 [ 77.491957][ T149] [ 77.491957][ T149] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 77.493157][ T149] __lock_acquire+0x2928/0x651c [ 77.493956][ T149] lock_acquire+0x1f4/0x620 [ 77.494779][ T149] down_write+0xbc/0x12c [ 77.495534][ T149] freeze_super+0x54/0x374 [ 77.496242][ T149] freeze_go_sync+0x128/0x31c [ 77.497054][ T149] do_xmote+0x2ec/0xf90 [ 77.497751][ T149] run_queue+0x3fc/0x6c0 [ 77.498515][ T149] glock_work_func+0x208/0x458 [ 77.499369][ T149] process_one_work+0x79c/0x1140 [ 77.500263][ T149] worker_thread+0x8f4/0x101c [ 77.501102][ T149] kthread+0x374/0x454 [ 77.501841][ T149] ret_from_fork+0x10/0x20 [ 77.502620][ T149] [ 77.502620][ T149] other info that might help us debug this: [ 77.502620][ T149] [ 77.504271][ T149] Chain exists of: [ 77.504271][ T149] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 77.504271][ T149] [ 77.507013][ T149] Possible unsafe locking scenario: [ 77.507013][ T149] [ 77.508245][ T149] CPU0 CPU1 [ 77.509105][ T149] ---- ---- [ 77.509980][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 77.510990][ T149] lock((wq_completion)glock_workqueue); [ 77.512390][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 77.513849][ T149] lock(&type->s_umount_key#50); [ 77.514629][ T149] [ 77.514629][ T149] *** DEADLOCK *** [ 77.514629][ T149] [ 77.515908][ T149] 2 locks held by kworker/0:1H/149: [ 77.516694][ T149] #0: ffff0000c6881538 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 77.518402][ T149] #1: ffff80001be37c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 77.520242][ T149] [ 77.520242][ T149] stack backtrace: [ 77.521172][ T149] CPU: 0 PID: 149 Comm: kworker/0:1H Not tainted syzkaller #0 [ 77.522369][ T149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.523955][ T149] Workqueue: glock_workqueue glock_work_func [ 77.524912][ T149] Call trace: [ 77.525449][ T149] dump_backtrace+0x0/0x43c [ 77.526151][ T149] show_stack+0x2c/0x3c [ 77.526795][ T149] __dump_stack+0x30/0x40 [ 77.527445][ T149] dump_stack_lvl+0xf8/0x160 [ 77.528149][ T149] dump_stack+0x1c/0x5c [ 77.528831][ T149] print_circular_bug+0x148/0x1b0 [ 77.529619][ T149] check_noncircular+0x240/0x2d4 [ 77.530411][ T149] __lock_acquire+0x2928/0x651c [ 77.531096][ T149] lock_acquire+0x1f4/0x620 [ 77.531807][ T149] down_write+0xbc/0x12c [ 77.532503][ T149] freeze_super+0x54/0x374 [ 77.533178][ T149] freeze_go_sync+0x128/0x31c [ 77.533944][ T149] do_xmote+0x2ec/0xf90 [ 77.534617][ T149] run_queue+0x3fc/0x6c0 [ 77.535274][ T149] glock_work_func+0x208/0x458 [ 77.536058][ T149] process_one_work+0x79c/0x1140 [ 77.536782][ T149] worker_thread+0x8f4/0x101c [ 77.537541][ T149] kthread+0x374/0x454 [ 77.538184][ T149] ret_from_fork+0x10/0x20 [ 77.556235][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.557704][ T5523] CPU: 1 PID: 5523 Comm: syz.0.22 Not tainted syzkaller #0 [ 77.558811][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.560436][ T5523] Call trace: [ 77.560940][ T5523] dump_backtrace+0x0/0x43c [ 77.561681][ T5523] show_stack+0x2c/0x3c [ 77.562389][ T5523] __dump_stack+0x30/0x40 [ 77.563072][ T5523] dump_stack_lvl+0xf8/0x160 [ 77.563728][ T5523] dump_stack+0x1c/0x5c [ 77.564331][ T5523] sysfs_create_dir_ns+0x22c/0x24c [ 77.565159][ T5523] kobject_add_internal+0x590/0xc54 [ 77.565896][ T5523] kobject_init_and_add+0x118/0x17c [ 77.566664][ T5523] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.567326][ T5523] gfs2_fill_super+0xdac/0x19e0 [ 77.568159][ T5523] get_tree_bdev+0x358/0x544 [ 77.568893][ T5523] gfs2_get_tree+0x54/0x1b4 [ 77.569634][ T5523] vfs_get_tree+0x90/0x274 [ 77.570330][ T5523] do_new_mount+0x228/0x810 [ 77.571064][ T5523] path_mount+0x5b4/0x1000 [ 77.571763][ T5523] __arm64_sys_mount+0x514/0x5e4 [ 77.572568][ T5523] invoke_syscall+0x98/0x2b8 [ 77.573289][ T5523] el0_svc_common+0x138/0x258 [ 77.574009][ T5523] do_el0_svc+0x58/0x14c [ 77.574687][ T5523] el0_svc+0x78/0x1e0 [ 77.575316][ T5523] el0t_64_sync_handler+0xcc/0xe4 [ 77.576142][ T5523] el0t_64_sync+0x1a0/0x1a4 [ 77.578988][ T5543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.580010][ T5543] CPU: 1 PID: 5543 Comm: syz.4.23 Not tainted syzkaller #0 [ 77.580969][ T5543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.582244][ T5543] Call trace: [ 77.582656][ T5543] dump_backtrace+0x0/0x43c [ 77.583299][ T5543] show_stack+0x2c/0x3c [ 77.583858][ T5543] __dump_stack+0x30/0x40 [ 77.584458][ T5543] dump_stack_lvl+0xf8/0x160 [ 77.585110][ T5543] dump_stack+0x1c/0x5c [ 77.585660][ T5543] sysfs_create_dir_ns+0x22c/0x24c [ 77.586404][ T5543] kobject_add_internal+0x590/0xc54 [ 77.587145][ T5543] kobject_init_and_add+0x118/0x17c [ 77.587920][ T5543] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.588227][ T5556] loop1: detected capacity change from 0 to 32768 [ 77.588683][ T5543] gfs2_fill_super+0xdac/0x19e0 [ 77.590333][ T5543] get_tree_bdev+0x358/0x544 [ 77.590986][ T5543] gfs2_get_tree+0x54/0x1b4 [ 77.591672][ T5543] vfs_get_tree+0x90/0x274 [ 77.592358][ T5543] do_new_mount+0x228/0x810 [ 77.593022][ T5543] path_mount+0x5b4/0x1000 [ 77.593661][ T5543] __arm64_sys_mount+0x514/0x5e4 [ 77.594355][ T5543] invoke_syscall+0x98/0x2b8 [ 77.595032][ T5543] el0_svc_common+0x138/0x258 [ 77.595805][ T5543] do_el0_svc+0x58/0x14c [ 77.596452][ T5543] el0_svc+0x78/0x1e0 [ 77.597425][ T5543] el0t_64_sync_handler+0xcc/0xe4 [ 77.598162][ T5543] el0t_64_sync+0x1a0/0x1a4 [ 77.626248][ T5543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.631018][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.631148][ T5556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.633137][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.635366][ T5556] CPU: 1 PID: 5556 Comm: syz.1.24 Not tainted syzkaller #0 [ 77.636360][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.637859][ T5556] Call trace: [ 77.638347][ T5556] dump_backtrace+0x0/0x43c [ 77.639038][ T5556] show_stack+0x2c/0x3c [ 77.639649][ T5556] __dump_stack+0x30/0x40 [ 77.640355][ T5556] dump_stack_lvl+0xf8/0x160 [ 77.641039][ T5556] dump_stack+0x1c/0x5c [ 77.641645][ T5556] sysfs_create_dir_ns+0x22c/0x24c [ 77.642445][ T5556] kobject_add_internal+0x590/0xc54 [ 77.643292][ T5556] kobject_init_and_add+0x118/0x17c [ 77.644116][ T5556] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.644851][ T5556] gfs2_fill_super+0xdac/0x19e0 [ 77.645530][ T5556] get_tree_bdev+0x358/0x544 [ 77.646219][ T5556] gfs2_get_tree+0x54/0x1b4 [ 77.646868][ T5556] vfs_get_tree+0x90/0x274 [ 77.647496][ T5556] do_new_mount+0x228/0x810 [ 77.648235][ T5556] path_mount+0x5b4/0x1000 [ 77.648894][ T5556] __arm64_sys_mount+0x514/0x5e4 [ 77.649644][ T5556] invoke_syscall+0x98/0x2b8 [ 77.650365][ T5556] el0_svc_common+0x138/0x258 [ 77.651034][ T5556] do_el0_svc+0x58/0x14c [ 77.651659][ T5556] el0_svc+0x78/0x1e0 [ 77.652280][ T5556] el0t_64_sync_handler+0xcc/0xe4 [ 77.653035][ T5556] el0t_64_sync+0x1a0/0x1a4 [ 77.656039][ T5543] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.731637][ T5556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.733740][ T5556] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.812460][ T5571] loop2: detected capacity change from 0 to 32768 [ 77.841320][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.842990][ T5571] CPU: 1 PID: 5571 Comm: syz.2.25 Not tainted syzkaller #0 [ 77.844015][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.845337][ T5571] Call trace: [ 77.845832][ T5571] dump_backtrace+0x0/0x43c [ 77.846507][ T5571] show_stack+0x2c/0x3c [ 77.847134][ T5571] __dump_stack+0x30/0x40 [ 77.847777][ T5571] dump_stack_lvl+0xf8/0x160 [ 77.848489][ T5571] dump_stack+0x1c/0x5c [ 77.849103][ T5571] sysfs_create_dir_ns+0x22c/0x24c [ 77.849838][ T5571] kobject_add_internal+0x590/0xc54 [ 77.850580][ T5571] kobject_init_and_add+0x118/0x17c [ 77.851355][ T5571] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.852147][ T5571] gfs2_fill_super+0xdac/0x19e0 [ 77.852941][ T5571] get_tree_bdev+0x358/0x544 [ 77.853694][ T5571] gfs2_get_tree+0x54/0x1b4 [ 77.854421][ T5571] vfs_get_tree+0x90/0x274 [ 77.855106][ T5571] do_new_mount+0x228/0x810 [ 77.855808][ T5571] path_mount+0x5b4/0x1000 [ 77.856427][ T5571] __arm64_sys_mount+0x514/0x5e4 [ 77.857207][ T5571] invoke_syscall+0x98/0x2b8 [ 77.857917][ T5571] el0_svc_common+0x138/0x258 [ 77.858640][ T5571] do_el0_svc+0x58/0x14c [ 77.859287][ T5571] el0_svc+0x78/0x1e0 [ 77.859932][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 77.860792][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 77.870645][ T5543] loop4: detected capacity change from 0 to 32768 [ 77.898630][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.900644][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.908060][ T5543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.909223][ T5543] CPU: 0 PID: 5543 Comm: syz.4.23 Not tainted syzkaller #0 [ 77.910253][ T5543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.911724][ T5543] Call trace: [ 77.912233][ T5543] dump_backtrace+0x0/0x43c [ 77.912997][ T5543] show_stack+0x2c/0x3c [ 77.913676][ T5543] __dump_stack+0x30/0x40 [ 77.914392][ T5543] dump_stack_lvl+0xf8/0x160 [ 77.915117][ T5543] dump_stack+0x1c/0x5c [ 77.915751][ T5543] sysfs_create_dir_ns+0x22c/0x24c [ 77.916472][ T5543] kobject_add_internal+0x590/0xc54 [ 77.917286][ T5543] kobject_init_and_add+0x118/0x17c [ 77.918050][ T5543] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.918699][ T5543] gfs2_fill_super+0xdac/0x19e0 [ 77.919385][ T5543] get_tree_bdev+0x358/0x544 [ 77.920118][ T5543] gfs2_get_tree+0x54/0x1b4 [ 77.920799][ T5543] vfs_get_tree+0x90/0x274 [ 77.921490][ T5543] do_new_mount+0x228/0x810 [ 77.922201][ T5543] path_mount+0x5b4/0x1000 [ 77.922854][ T5543] __arm64_sys_mount+0x514/0x5e4 [ 77.923614][ T5543] invoke_syscall+0x98/0x2b8 [ 77.924323][ T5543] el0_svc_common+0x138/0x258 [ 77.924990][ T5543] do_el0_svc+0x58/0x14c [ 77.925651][ T5543] el0_svc+0x78/0x1e0 [ 77.926218][ T5543] el0t_64_sync_handler+0xcc/0xe4 [ 77.927023][ T5543] el0t_64_sync+0x1a0/0x1a4 [ 77.963150][ T5543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.965797][ T5543] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.974978][ T5580] loop0: detected capacity change from 0 to 32768 [ 78.018128][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.019295][ T5580] CPU: 0 PID: 5580 Comm: syz.0.26 Not tainted syzkaller #0 [ 78.020344][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.021732][ T5580] Call trace: [ 78.022178][ T5580] dump_backtrace+0x0/0x43c [ 78.022833][ T5580] show_stack+0x2c/0x3c [ 78.023430][ T5580] __dump_stack+0x30/0x40 [ 78.024035][ T5580] dump_stack_lvl+0xf8/0x160 [ 78.024781][ T5580] dump_stack+0x1c/0x5c [ 78.025467][ T5580] sysfs_create_dir_ns+0x22c/0x24c [ 78.026342][ T5580] kobject_add_internal+0x590/0xc54 [ 78.027215][ T5580] kobject_init_and_add+0x118/0x17c [ 78.028010][ T5580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.028721][ T5580] gfs2_fill_super+0xdac/0x19e0 [ 78.029427][ T5580] get_tree_bdev+0x358/0x544 [ 78.030129][ T5580] gfs2_get_tree+0x54/0x1b4 [ 78.030882][ T5580] vfs_get_tree+0x90/0x274 [ 78.031642][ T5580] do_new_mount+0x228/0x810 [ 78.032418][ T5580] path_mount+0x5b4/0x1000 [ 78.033119][ T5580] __arm64_sys_mount+0x514/0x5e4 [ 78.033893][ T5580] invoke_syscall+0x98/0x2b8 [ 78.034568][ T5580] el0_svc_common+0x138/0x258 [ 78.035325][ T5580] do_el0_svc+0x58/0x14c [ 78.035956][ T5580] el0_svc+0x78/0x1e0 [ 78.036589][ T5580] el0t_64_sync_handler+0xcc/0xe4 [ 78.037393][ T5580] el0t_64_sync+0x1a0/0x1a4 [ 78.067126][ T5580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.069233][ T5580] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.105286][ T5556] loop1: detected capacity change from 0 to 32768 [ 78.179639][ T5556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.180838][ T5556] CPU: 0 PID: 5556 Comm: syz.1.24 Not tainted syzkaller #0 [ 78.181873][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.183475][ T5556] Call trace: [ 78.183935][ T5556] dump_backtrace+0x0/0x43c [ 78.184625][ T5556] show_stack+0x2c/0x3c [ 78.185261][ T5556] __dump_stack+0x30/0x40 [ 78.185965][ T5556] dump_stack_lvl+0xf8/0x160 [ 78.186642][ T5556] dump_stack+0x1c/0x5c [ 78.187319][ T5556] sysfs_create_dir_ns+0x22c/0x24c [ 78.188115][ T5556] kobject_add_internal+0x590/0xc54 [ 78.188988][ T5556] kobject_init_and_add+0x118/0x17c [ 78.189771][ T5556] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.190537][ T5556] gfs2_fill_super+0xdac/0x19e0 [ 78.191227][ T5556] get_tree_bdev+0x358/0x544 [ 78.191926][ T5556] gfs2_get_tree+0x54/0x1b4 [ 78.192597][ T5556] vfs_get_tree+0x90/0x274 [ 78.193346][ T5556] do_new_mount+0x228/0x810 [ 78.194097][ T5556] path_mount+0x5b4/0x1000 [ 78.194745][ T5556] __arm64_sys_mount+0x514/0x5e4 [ 78.195592][ T5556] invoke_syscall+0x98/0x2b8 [ 78.196353][ T5556] el0_svc_common+0x138/0x258 [ 78.197113][ T5556] do_el0_svc+0x58/0x14c [ 78.197758][ T5556] el0_svc+0x78/0x1e0 [ 78.198396][ T5556] el0t_64_sync_handler+0xcc/0xe4 [ 78.199166][ T5556] el0t_64_sync+0x1a0/0x1a4 [ 78.230688][ T5556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.240197][ T5556] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.250411][ T5571] loop2: detected capacity change from 0 to 32768 [ 78.260895][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.261983][ T5571] CPU: 1 PID: 5571 Comm: syz.2.25 Not tainted syzkaller #0 [ 78.263068][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.264580][ T5571] Call trace: [ 78.265095][ T5571] dump_backtrace+0x0/0x43c [ 78.265689][ T5571] show_stack+0x2c/0x3c [ 78.266246][ T5571] __dump_stack+0x30/0x40 [ 78.266856][ T5571] dump_stack_lvl+0xf8/0x160 [ 78.267540][ T5571] dump_stack+0x1c/0x5c [ 78.268128][ T5571] sysfs_create_dir_ns+0x22c/0x24c [ 78.268959][ T5571] kobject_add_internal+0x590/0xc54 [ 78.269754][ T5571] kobject_init_and_add+0x118/0x17c [ 78.270624][ T5571] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.271433][ T5571] gfs2_fill_super+0xdac/0x19e0 [ 78.272229][ T5571] get_tree_bdev+0x358/0x544 [ 78.272955][ T5571] gfs2_get_tree+0x54/0x1b4 [ 78.273652][ T5571] vfs_get_tree+0x90/0x274 [ 78.274328][ T5571] do_new_mount+0x228/0x810 [ 78.275000][ T5571] path_mount+0x5b4/0x1000 [ 78.275633][ T5571] __arm64_sys_mount+0x514/0x5e4 [ 78.276314][ T5571] invoke_syscall+0x98/0x2b8 [ 78.276983][ T5571] el0_svc_common+0x138/0x258 [ 78.277679][ T5571] do_el0_svc+0x58/0x14c [ 78.278321][ T5571] el0_svc+0x78/0x1e0 [ 78.278944][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 78.279728][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 78.290934][ T5594] loop4: detected capacity change from 0 to 32768 [ 78.294900][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.300666][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.309494][ T5580] loop0: detected capacity change from 0 to 32768 [ 78.328058][ T5594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.329302][ T5594] CPU: 1 PID: 5594 Comm: syz.4.27 Not tainted syzkaller #0 [ 78.330461][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.331887][ T5594] Call trace: [ 78.332343][ T5594] dump_backtrace+0x0/0x43c [ 78.332995][ T5594] show_stack+0x2c/0x3c [ 78.333687][ T5594] __dump_stack+0x30/0x40 [ 78.334402][ T5594] dump_stack_lvl+0xf8/0x160 [ 78.335133][ T5594] dump_stack+0x1c/0x5c [ 78.335771][ T5594] sysfs_create_dir_ns+0x22c/0x24c [ 78.336543][ T5594] kobject_add_internal+0x590/0xc54 [ 78.337332][ T5594] kobject_init_and_add+0x118/0x17c [ 78.338202][ T5594] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.338967][ T5594] gfs2_fill_super+0xdac/0x19e0 [ 78.339702][ T5594] get_tree_bdev+0x358/0x544 [ 78.340432][ T5594] gfs2_get_tree+0x54/0x1b4 [ 78.341124][ T5594] vfs_get_tree+0x90/0x274 [ 78.341807][ T5594] do_new_mount+0x228/0x810 [ 78.342537][ T5594] path_mount+0x5b4/0x1000 [ 78.343239][ T5594] __arm64_sys_mount+0x514/0x5e4 [ 78.344016][ T5594] invoke_syscall+0x98/0x2b8 [ 78.344718][ T5594] el0_svc_common+0x138/0x258 [ 78.345432][ T5594] do_el0_svc+0x58/0x14c [ 78.346105][ T5594] el0_svc+0x78/0x1e0 [ 78.346665][ T5594] el0t_64_sync_handler+0xcc/0xe4 [ 78.347377][ T5594] el0t_64_sync+0x1a0/0x1a4 [ 78.359435][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.360768][ T5580] CPU: 0 PID: 5580 Comm: syz.0.26 Not tainted syzkaller #0 [ 78.361858][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.363284][ T5580] Call trace: [ 78.363777][ T5580] dump_backtrace+0x0/0x43c [ 78.364496][ T5580] show_stack+0x2c/0x3c [ 78.365122][ T5580] __dump_stack+0x30/0x40 [ 78.365734][ T5580] dump_stack_lvl+0xf8/0x160 [ 78.366445][ T5580] dump_stack+0x1c/0x5c [ 78.367108][ T5580] sysfs_create_dir_ns+0x22c/0x24c [ 78.367940][ T5580] kobject_add_internal+0x590/0xc54 [ 78.368757][ T5580] kobject_init_and_add+0x118/0x17c [ 78.369595][ T5580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.370326][ T5580] gfs2_fill_super+0xdac/0x19e0 [ 78.371022][ T5580] get_tree_bdev+0x358/0x544 [ 78.371736][ T5580] gfs2_get_tree+0x54/0x1b4 [ 78.372474][ T5580] vfs_get_tree+0x90/0x274 [ 78.373189][ T5580] do_new_mount+0x228/0x810 [ 78.373864][ T5580] path_mount+0x5b4/0x1000 [ 78.374554][ T5580] __arm64_sys_mount+0x514/0x5e4 [ 78.375311][ T5580] invoke_syscall+0x98/0x2b8 [ 78.375589][ T5594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.376103][ T5580] el0_svc_common+0x138/0x258 [ 78.378186][ T5594] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.378947][ T5580] do_el0_svc+0x58/0x14c [ 78.378965][ T5580] el0_svc+0x78/0x1e0 [ 78.381165][ T5580] el0t_64_sync_handler+0xcc/0xe4 [ 78.381940][ T5580] el0t_64_sync+0x1a0/0x1a4 [ 78.434194][ T5580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.436305][ T5580] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.585868][ T5612] loop1: detected capacity change from 0 to 32768 [ 78.608974][ T5617] loop2: detected capacity change from 0 to 32768 [ 78.638310][ T5617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.639528][ T5617] CPU: 1 PID: 5617 Comm: syz.2.29 Not tainted syzkaller #0 [ 78.640592][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.642084][ T5617] Call trace: [ 78.642556][ T5617] dump_backtrace+0x0/0x43c [ 78.643320][ T5617] show_stack+0x2c/0x3c [ 78.644025][ T5617] __dump_stack+0x30/0x40 [ 78.644662][ T5617] dump_stack_lvl+0xf8/0x160 [ 78.645310][ T5617] dump_stack+0x1c/0x5c [ 78.645928][ T5617] sysfs_create_dir_ns+0x22c/0x24c [ 78.646751][ T5617] kobject_add_internal+0x590/0xc54 [ 78.647577][ T5617] kobject_init_and_add+0x118/0x17c [ 78.648381][ T5617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.649125][ T5617] gfs2_fill_super+0xdac/0x19e0 [ 78.649868][ T5617] get_tree_bdev+0x358/0x544 [ 78.650519][ T5617] gfs2_get_tree+0x54/0x1b4 [ 78.651138][ T5617] vfs_get_tree+0x90/0x274 [ 78.651281][ T5612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.651847][ T5617] do_new_mount+0x228/0x810 [ 78.653719][ T5617] path_mount+0x5b4/0x1000 [ 78.654440][ T5617] __arm64_sys_mount+0x514/0x5e4 [ 78.655190][ T5617] invoke_syscall+0x98/0x2b8 [ 78.655893][ T5617] el0_svc_common+0x138/0x258 [ 78.656651][ T5617] do_el0_svc+0x58/0x14c [ 78.657344][ T5617] el0_svc+0x78/0x1e0 [ 78.657997][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 78.658760][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 78.659455][ T5612] CPU: 0 PID: 5612 Comm: syz.1.28 Not tainted syzkaller #0 [ 78.660582][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.662182][ T5612] Call trace: [ 78.662692][ T5612] dump_backtrace+0x0/0x43c [ 78.663470][ T5612] show_stack+0x2c/0x3c [ 78.664169][ T5612] __dump_stack+0x30/0x40 [ 78.664808][ T5612] dump_stack_lvl+0xf8/0x160 [ 78.665594][ T5612] dump_stack+0x1c/0x5c [ 78.666305][ T5612] sysfs_create_dir_ns+0x22c/0x24c [ 78.667091][ T5612] kobject_add_internal+0x590/0xc54 [ 78.667990][ T5612] kobject_init_and_add+0x118/0x17c [ 78.668189][ T5594] loop4: detected capacity change from 0 to 32768 [ 78.668883][ T5612] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.669948][ T5617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.670509][ T5612] gfs2_fill_super+0xdac/0x19e0 [ 78.670523][ T5612] get_tree_bdev+0x358/0x544 [ 78.672623][ T5617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.673255][ T5612] gfs2_get_tree+0x54/0x1b4 [ 78.675632][ T5612] vfs_get_tree+0x90/0x274 [ 78.676340][ T5612] do_new_mount+0x228/0x810 [ 78.677063][ T5612] path_mount+0x5b4/0x1000 [ 78.677723][ T5612] __arm64_sys_mount+0x514/0x5e4 [ 78.678451][ T5612] invoke_syscall+0x98/0x2b8 [ 78.679161][ T5612] el0_svc_common+0x138/0x258 [ 78.679907][ T5612] do_el0_svc+0x58/0x14c [ 78.680536][ T5612] el0_svc+0x78/0x1e0 [ 78.681145][ T5612] el0t_64_sync_handler+0xcc/0xe4 [ 78.681894][ T5612] el0t_64_sync+0x1a0/0x1a4 [ 78.696444][ T5624] loop0: detected capacity change from 0 to 32768 [ 78.697799][ T5612] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.699755][ T5612] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.707762][ T5594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.708867][ T5594] CPU: 0 PID: 5594 Comm: syz.4.27 Not tainted syzkaller #0 [ 78.709906][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.711308][ T5594] Call trace: [ 78.711761][ T5594] dump_backtrace+0x0/0x43c [ 78.712380][ T5594] show_stack+0x2c/0x3c [ 78.712912][ T5594] __dump_stack+0x30/0x40 [ 78.713491][ T5594] dump_stack_lvl+0xf8/0x160 [ 78.714214][ T5594] dump_stack+0x1c/0x5c [ 78.714866][ T5594] sysfs_create_dir_ns+0x22c/0x24c [ 78.715661][ T5594] kobject_add_internal+0x590/0xc54 [ 78.716437][ T5594] kobject_init_and_add+0x118/0x17c [ 78.717171][ T5594] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.717618][ T5624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.717834][ T5594] gfs2_fill_super+0xdac/0x19e0 [ 78.719794][ T5594] get_tree_bdev+0x358/0x544 [ 78.720562][ T5594] gfs2_get_tree+0x54/0x1b4 [ 78.721275][ T5594] vfs_get_tree+0x90/0x274 [ 78.721974][ T5594] do_new_mount+0x228/0x810 [ 78.722674][ T5594] path_mount+0x5b4/0x1000 [ 78.723377][ T5594] __arm64_sys_mount+0x514/0x5e4 [ 78.724166][ T5594] invoke_syscall+0x98/0x2b8 [ 78.724851][ T5594] el0_svc_common+0x138/0x258 [ 78.725552][ T5594] do_el0_svc+0x58/0x14c [ 78.726207][ T5594] el0_svc+0x78/0x1e0 [ 78.726801][ T5594] el0t_64_sync_handler+0xcc/0xe4 [ 78.727598][ T5594] el0t_64_sync+0x1a0/0x1a4 [ 78.730655][ T5594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.731118][ T5624] CPU: 1 PID: 5624 Comm: syz.0.30 Not tainted syzkaller #0 [ 78.732590][ T5594] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.733460][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.735838][ T5624] Call trace: [ 78.736325][ T5624] dump_backtrace+0x0/0x43c [ 78.737049][ T5624] show_stack+0x2c/0x3c [ 78.737728][ T5624] __dump_stack+0x30/0x40 [ 78.738379][ T5624] dump_stack_lvl+0xf8/0x160 [ 78.739134][ T5624] dump_stack+0x1c/0x5c [ 78.739787][ T5624] sysfs_create_dir_ns+0x22c/0x24c [ 78.740560][ T5624] kobject_add_internal+0x590/0xc54 [ 78.741327][ T5624] kobject_init_and_add+0x118/0x17c [ 78.742080][ T5624] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.742863][ T5624] gfs2_fill_super+0xdac/0x19e0 [ 78.743624][ T5624] get_tree_bdev+0x358/0x544 [ 78.744341][ T5624] gfs2_get_tree+0x54/0x1b4 [ 78.745104][ T5624] vfs_get_tree+0x90/0x274 [ 78.745827][ T5624] do_new_mount+0x228/0x810 [ 78.746583][ T5624] path_mount+0x5b4/0x1000 [ 78.747331][ T5624] __arm64_sys_mount+0x514/0x5e4 [ 78.748120][ T5624] invoke_syscall+0x98/0x2b8 [ 78.748846][ T5624] el0_svc_common+0x138/0x258 [ 78.749565][ T5624] do_el0_svc+0x58/0x14c [ 78.750237][ T5624] el0_svc+0x78/0x1e0 [ 78.750865][ T5624] el0t_64_sync_handler+0xcc/0xe4 [ 78.751657][ T5624] el0t_64_sync+0x1a0/0x1a4 [ 78.806796][ T5624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.809461][ T5624] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.915249][ T5612] loop1: detected capacity change from 0 to 32768 [ 78.929301][ T5612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.930549][ T5612] CPU: 0 PID: 5612 Comm: syz.1.28 Not tainted syzkaller #0 [ 78.931511][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.932917][ T5612] Call trace: [ 78.933384][ T5612] dump_backtrace+0x0/0x43c [ 78.934054][ T5612] show_stack+0x2c/0x3c [ 78.934628][ T5612] __dump_stack+0x30/0x40 [ 78.935219][ T5612] dump_stack_lvl+0xf8/0x160 [ 78.935966][ T5612] dump_stack+0x1c/0x5c [ 78.936617][ T5617] loop2: detected capacity change from 0 to 32768 [ 78.936659][ T5612] sysfs_create_dir_ns+0x22c/0x24c [ 78.938389][ T5612] kobject_add_internal+0x590/0xc54 [ 78.939243][ T5612] kobject_init_and_add+0x118/0x17c [ 78.940115][ T5612] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.940882][ T5612] gfs2_fill_super+0xdac/0x19e0 [ 78.941670][ T5612] get_tree_bdev+0x358/0x544 [ 78.942455][ T5617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.942458][ T5612] gfs2_get_tree+0x54/0x1b4 [ 78.942472][ T5612] vfs_get_tree+0x90/0x274 [ 78.944907][ T5612] do_new_mount+0x228/0x810 [ 78.945600][ T5612] path_mount+0x5b4/0x1000 [ 78.946270][ T5612] __arm64_sys_mount+0x514/0x5e4 [ 78.947029][ T5612] invoke_syscall+0x98/0x2b8 [ 78.947778][ T5612] el0_svc_common+0x138/0x258 [ 78.948478][ T5612] do_el0_svc+0x58/0x14c [ 78.949195][ T5612] el0_svc+0x78/0x1e0 [ 78.949853][ T5612] el0t_64_sync_handler+0xcc/0xe4 [ 78.950705][ T5612] el0t_64_sync+0x1a0/0x1a4 [ 78.960262][ T5617] CPU: 1 PID: 5617 Comm: syz.2.29 Not tainted syzkaller #0 [ 78.961320][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.962743][ T5617] Call trace: [ 78.963193][ T5617] dump_backtrace+0x0/0x43c [ 78.963930][ T5617] show_stack+0x2c/0x3c [ 78.964503][ T5617] __dump_stack+0x30/0x40 [ 78.965103][ T5617] dump_stack_lvl+0xf8/0x160 [ 78.965740][ T5617] dump_stack+0x1c/0x5c [ 78.966292][ T5617] sysfs_create_dir_ns+0x22c/0x24c [ 78.966986][ T5617] kobject_add_internal+0x590/0xc54 [ 78.967875][ T5617] kobject_init_and_add+0x118/0x17c [ 78.968662][ T5617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.969402][ T5617] gfs2_fill_super+0xdac/0x19e0 [ 78.970161][ T5617] get_tree_bdev+0x358/0x544 [ 78.970872][ T5617] gfs2_get_tree+0x54/0x1b4 [ 78.971571][ T5617] vfs_get_tree+0x90/0x274 [ 78.972222][ T5617] do_new_mount+0x228/0x810 [ 78.972935][ T5617] path_mount+0x5b4/0x1000 [ 78.973606][ T5617] __arm64_sys_mount+0x514/0x5e4 [ 78.974352][ T5617] invoke_syscall+0x98/0x2b8 [ 78.975055][ T5617] el0_svc_common+0x138/0x258 [ 78.975799][ T5617] do_el0_svc+0x58/0x14c [ 78.976499][ T5617] el0_svc+0x78/0x1e0 [ 78.977117][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 78.977831][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 78.994151][ T5612] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.996181][ T5612] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.020664][ T5617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.022623][ T5617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.032291][ T5635] loop4: detected capacity change from 0 to 32768 [ 79.038499][ T5635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.039628][ T5635] CPU: 0 PID: 5635 Comm: syz.4.31 Not tainted syzkaller #0 [ 79.040673][ T5635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.042046][ T5635] Call trace: [ 79.042546][ T5635] dump_backtrace+0x0/0x43c [ 79.043236][ T5635] show_stack+0x2c/0x3c [ 79.043863][ T5635] __dump_stack+0x30/0x40 [ 79.044590][ T5635] dump_stack_lvl+0xf8/0x160 [ 79.045355][ T5635] dump_stack+0x1c/0x5c [ 79.046057][ T5635] sysfs_create_dir_ns+0x22c/0x24c [ 79.046910][ T5635] kobject_add_internal+0x590/0xc54 [ 79.047780][ T5635] kobject_init_and_add+0x118/0x17c [ 79.048573][ T5635] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.049296][ T5635] gfs2_fill_super+0xdac/0x19e0 [ 79.050010][ T5635] get_tree_bdev+0x358/0x544 [ 79.050806][ T5635] gfs2_get_tree+0x54/0x1b4 [ 79.051545][ T5635] vfs_get_tree+0x90/0x274 [ 79.052264][ T5635] do_new_mount+0x228/0x810 [ 79.053024][ T5635] path_mount+0x5b4/0x1000 [ 79.053692][ T5635] __arm64_sys_mount+0x514/0x5e4 [ 79.054493][ T5635] invoke_syscall+0x98/0x2b8 [ 79.055256][ T5635] el0_svc_common+0x138/0x258 [ 79.055957][ T5635] do_el0_svc+0x58/0x14c [ 79.056672][ T5635] el0_svc+0x78/0x1e0 [ 79.057347][ T5635] el0t_64_sync_handler+0xcc/0xe4 [ 79.058104][ T5635] el0t_64_sync+0x1a0/0x1a4 [ 79.089630][ T5635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.104441][ T5635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.112772][ T5624] loop0: detected capacity change from 0 to 32768 [ 79.152213][ T5624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.153303][ T5624] CPU: 1 PID: 5624 Comm: syz.0.30 Not tainted syzkaller #0 [ 79.154290][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.155783][ T5624] Call trace: [ 79.156309][ T5624] dump_backtrace+0x0/0x43c [ 79.157017][ T5624] show_stack+0x2c/0x3c [ 79.157705][ T5624] __dump_stack+0x30/0x40 [ 79.158428][ T5624] dump_stack_lvl+0xf8/0x160 [ 79.159193][ T5624] dump_stack+0x1c/0x5c [ 79.159920][ T5624] sysfs_create_dir_ns+0x22c/0x24c [ 79.160765][ T5624] kobject_add_internal+0x590/0xc54 [ 79.161538][ T5624] kobject_init_and_add+0x118/0x17c [ 79.162295][ T5624] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.162998][ T5624] gfs2_fill_super+0xdac/0x19e0 [ 79.163795][ T5624] get_tree_bdev+0x358/0x544 [ 79.164471][ T5624] gfs2_get_tree+0x54/0x1b4 [ 79.165249][ T5624] vfs_get_tree+0x90/0x274 [ 79.165969][ T5624] do_new_mount+0x228/0x810 [ 79.166698][ T5624] path_mount+0x5b4/0x1000 [ 79.167421][ T5624] __arm64_sys_mount+0x514/0x5e4 [ 79.168254][ T5624] invoke_syscall+0x98/0x2b8 [ 79.169000][ T5624] el0_svc_common+0x138/0x258 [ 79.169754][ T5624] do_el0_svc+0x58/0x14c [ 79.170321][ T5624] el0_svc+0x78/0x1e0 [ 79.170928][ T5624] el0t_64_sync_handler+0xcc/0xe4 [ 79.171607][ T5624] el0t_64_sync+0x1a0/0x1a4 [ 79.213488][ T5624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.215670][ T5624] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:19 executed programs: 29 [ 79.309973][ T5637] loop1: detected capacity change from 0 to 32768 [ 79.325927][ T5635] loop4: detected capacity change from 0 to 32768 [ 79.331670][ T5635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.332814][ T5635] CPU: 1 PID: 5635 Comm: syz.4.31 Not tainted syzkaller #0 [ 79.333859][ T5635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.335254][ T5635] Call trace: [ 79.335703][ T5635] dump_backtrace+0x0/0x43c [ 79.336288][ T5635] show_stack+0x2c/0x3c [ 79.336867][ T5635] __dump_stack+0x30/0x40 [ 79.337534][ T5635] dump_stack_lvl+0xf8/0x160 [ 79.338232][ T5635] dump_stack+0x1c/0x5c [ 79.338862][ T5635] sysfs_create_dir_ns+0x22c/0x24c [ 79.339666][ T5635] kobject_add_internal+0x590/0xc54 [ 79.340531][ T5635] kobject_init_and_add+0x118/0x17c [ 79.341372][ T5635] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.342151][ T5635] gfs2_fill_super+0xdac/0x19e0 [ 79.342981][ T5635] get_tree_bdev+0x358/0x544 [ 79.343715][ T5635] gfs2_get_tree+0x54/0x1b4 [ 79.344499][ T5635] vfs_get_tree+0x90/0x274 [ 79.345179][ T5635] do_new_mount+0x228/0x810 [ 79.345876][ T5635] path_mount+0x5b4/0x1000 [ 79.346597][ T5635] __arm64_sys_mount+0x514/0x5e4 [ 79.347410][ T5635] invoke_syscall+0x98/0x2b8 [ 79.348135][ T5635] el0_svc_common+0x138/0x258 [ 79.348891][ T5635] do_el0_svc+0x58/0x14c [ 79.349587][ T5635] el0_svc+0x78/0x1e0 [ 79.350202][ T5635] el0t_64_sync_handler+0xcc/0xe4 [ 79.350967][ T5635] el0t_64_sync+0x1a0/0x1a4 [ 79.355592][ T5639] loop2: detected capacity change from 0 to 32768 [ 79.356675][ T5635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.359023][ T5635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.359573][ T5637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.361185][ T5637] CPU: 0 PID: 5637 Comm: syz.1.32 Not tainted syzkaller #0 [ 79.362343][ T5637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.363677][ T5637] Call trace: [ 79.364145][ T5637] dump_backtrace+0x0/0x43c [ 79.364785][ T5637] show_stack+0x2c/0x3c [ 79.365380][ T5637] __dump_stack+0x30/0x40 [ 79.366071][ T5637] dump_stack_lvl+0xf8/0x160 [ 79.366760][ T5637] dump_stack+0x1c/0x5c [ 79.367376][ T5637] sysfs_create_dir_ns+0x22c/0x24c [ 79.368128][ T5637] kobject_add_internal+0x590/0xc54 [ 79.368955][ T5637] kobject_init_and_add+0x118/0x17c [ 79.369776][ T5637] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.370529][ T5637] gfs2_fill_super+0xdac/0x19e0 [ 79.371245][ T5637] get_tree_bdev+0x358/0x544 [ 79.371950][ T5637] gfs2_get_tree+0x54/0x1b4 [ 79.372634][ T5637] vfs_get_tree+0x90/0x274 [ 79.373264][ T5637] do_new_mount+0x228/0x810 [ 79.373898][ T5637] path_mount+0x5b4/0x1000 [ 79.374540][ T5637] __arm64_sys_mount+0x514/0x5e4 [ 79.375278][ T5637] invoke_syscall+0x98/0x2b8 [ 79.375983][ T5637] el0_svc_common+0x138/0x258 [ 79.376689][ T5637] do_el0_svc+0x58/0x14c [ 79.377329][ T5637] el0_svc+0x78/0x1e0 [ 79.377892][ T5637] el0t_64_sync_handler+0xcc/0xe4 [ 79.378609][ T5637] el0t_64_sync+0x1a0/0x1a4 [ 79.385633][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.386821][ T5639] CPU: 1 PID: 5639 Comm: syz.2.33 Not tainted syzkaller #0 [ 79.387928][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.389453][ T5639] Call trace: [ 79.389926][ T5639] dump_backtrace+0x0/0x43c [ 79.390590][ T5639] show_stack+0x2c/0x3c [ 79.391198][ T5639] __dump_stack+0x30/0x40 [ 79.391855][ T5639] dump_stack_lvl+0xf8/0x160 [ 79.392587][ T5639] dump_stack+0x1c/0x5c [ 79.393254][ T5639] sysfs_create_dir_ns+0x22c/0x24c [ 79.394076][ T5639] kobject_add_internal+0x590/0xc54 [ 79.394874][ T5639] kobject_init_and_add+0x118/0x17c [ 79.395718][ T5639] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.396506][ T5639] gfs2_fill_super+0xdac/0x19e0 [ 79.397237][ T5639] get_tree_bdev+0x358/0x544 [ 79.397941][ T5639] gfs2_get_tree+0x54/0x1b4 [ 79.398700][ T5639] vfs_get_tree+0x90/0x274 [ 79.399397][ T5639] do_new_mount+0x228/0x810 [ 79.400096][ T5639] path_mount+0x5b4/0x1000 [ 79.400759][ T5639] __arm64_sys_mount+0x514/0x5e4 [ 79.401616][ T5639] invoke_syscall+0x98/0x2b8 [ 79.402329][ T5639] el0_svc_common+0x138/0x258 [ 79.402954][ T5639] do_el0_svc+0x58/0x14c [ 79.403579][ T5639] el0_svc+0x78/0x1e0 [ 79.404226][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 79.405006][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 79.424834][ T5637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.426828][ T5637] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.432683][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.434733][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.455195][ T5641] loop0: detected capacity change from 0 to 32768 [ 79.491230][ T5641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.492492][ T5641] CPU: 1 PID: 5641 Comm: syz.0.34 Not tainted syzkaller #0 [ 79.493648][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.495258][ T5641] Call trace: [ 79.495806][ T5641] dump_backtrace+0x0/0x43c [ 79.496508][ T5641] show_stack+0x2c/0x3c [ 79.497141][ T5641] __dump_stack+0x30/0x40 [ 79.497778][ T5641] dump_stack_lvl+0xf8/0x160 [ 79.498571][ T5641] dump_stack+0x1c/0x5c [ 79.499276][ T5641] sysfs_create_dir_ns+0x22c/0x24c [ 79.500080][ T5641] kobject_add_internal+0x590/0xc54 [ 79.500876][ T5641] kobject_init_and_add+0x118/0x17c [ 79.501603][ T5641] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.502259][ T5641] gfs2_fill_super+0xdac/0x19e0 [ 79.502989][ T5641] get_tree_bdev+0x358/0x544 [ 79.503736][ T5641] gfs2_get_tree+0x54/0x1b4 [ 79.504425][ T5641] vfs_get_tree+0x90/0x274 [ 79.505126][ T5641] do_new_mount+0x228/0x810 [ 79.505862][ T5641] path_mount+0x5b4/0x1000 [ 79.506603][ T5641] __arm64_sys_mount+0x514/0x5e4 [ 79.507382][ T5641] invoke_syscall+0x98/0x2b8 [ 79.508068][ T5641] el0_svc_common+0x138/0x258 [ 79.508748][ T5641] do_el0_svc+0x58/0x14c [ 79.509473][ T5641] el0_svc+0x78/0x1e0 [ 79.510129][ T5641] el0t_64_sync_handler+0xcc/0xe4 [ 79.510898][ T5641] el0t_64_sync+0x1a0/0x1a4 [ 79.542565][ T5641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.544437][ T5641] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.634959][ T5643] loop4: detected capacity change from 0 to 32768 [ 79.642226][ T5639] loop2: detected capacity change from 0 to 32768 [ 79.655421][ T5637] loop1: detected capacity change from 0 to 32768 [ 79.657254][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.658418][ T5639] CPU: 1 PID: 5639 Comm: syz.2.33 Not tainted syzkaller #0 [ 79.659601][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.661271][ T5639] Call trace: [ 79.661816][ T5639] dump_backtrace+0x0/0x43c [ 79.662537][ T5639] show_stack+0x2c/0x3c [ 79.663129][ T5639] __dump_stack+0x30/0x40 [ 79.663745][ T5639] dump_stack_lvl+0xf8/0x160 [ 79.664489][ T5639] dump_stack+0x1c/0x5c [ 79.665115][ T5639] sysfs_create_dir_ns+0x22c/0x24c [ 79.665875][ T5639] kobject_add_internal+0x590/0xc54 [ 79.666720][ T5639] kobject_init_and_add+0x118/0x17c [ 79.667543][ T5639] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.668244][ T5639] gfs2_fill_super+0xdac/0x19e0 [ 79.668953][ T5639] get_tree_bdev+0x358/0x544 [ 79.669675][ T5639] gfs2_get_tree+0x54/0x1b4 [ 79.670401][ T5639] vfs_get_tree+0x90/0x274 [ 79.671086][ T5639] do_new_mount+0x228/0x810 [ 79.671819][ T5639] path_mount+0x5b4/0x1000 [ 79.672517][ T5639] __arm64_sys_mount+0x514/0x5e4 [ 79.673244][ T5639] invoke_syscall+0x98/0x2b8 [ 79.673979][ T5639] el0_svc_common+0x138/0x258 [ 79.674681][ T5639] do_el0_svc+0x58/0x14c [ 79.675347][ T5639] el0_svc+0x78/0x1e0 [ 79.675937][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 79.676680][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 79.678742][ T5643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.679744][ T5643] CPU: 0 PID: 5643 Comm: syz.4.35 Not tainted syzkaller #0 [ 79.680874][ T5643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.682409][ T5643] Call trace: [ 79.682909][ T5643] dump_backtrace+0x0/0x43c [ 79.683553][ T5643] show_stack+0x2c/0x3c [ 79.684151][ T5643] __dump_stack+0x30/0x40 [ 79.684801][ T5643] dump_stack_lvl+0xf8/0x160 [ 79.685485][ T5643] dump_stack+0x1c/0x5c [ 79.686060][ T5643] sysfs_create_dir_ns+0x22c/0x24c [ 79.686771][ T5643] kobject_add_internal+0x590/0xc54 [ 79.687498][ T5643] kobject_init_and_add+0x118/0x17c [ 79.688264][ T5643] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.688981][ T5643] gfs2_fill_super+0xdac/0x19e0 [ 79.689711][ T5643] get_tree_bdev+0x358/0x544 [ 79.690402][ T5643] gfs2_get_tree+0x54/0x1b4 [ 79.691096][ T5643] vfs_get_tree+0x90/0x274 [ 79.691734][ T5643] do_new_mount+0x228/0x810 [ 79.692375][ T5643] path_mount+0x5b4/0x1000 [ 79.693017][ T5643] __arm64_sys_mount+0x514/0x5e4 [ 79.693784][ T5643] invoke_syscall+0x98/0x2b8 [ 79.694550][ T5643] el0_svc_common+0x138/0x258 [ 79.695303][ T5643] do_el0_svc+0x58/0x14c [ 79.695961][ T5643] el0_svc+0x78/0x1e0 [ 79.696587][ T5643] el0t_64_sync_handler+0xcc/0xe4 [ 79.697402][ T5643] el0t_64_sync+0x1a0/0x1a4 [ 79.700235][ T5637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.701266][ T5637] CPU: 0 PID: 5637 Comm: syz.1.32 Not tainted syzkaller #0 [ 79.702193][ T5637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.703584][ T5637] Call trace: [ 79.704027][ T5637] dump_backtrace+0x0/0x43c [ 79.704636][ T5637] show_stack+0x2c/0x3c [ 79.705206][ T5637] __dump_stack+0x30/0x40 [ 79.705819][ T5637] dump_stack_lvl+0xf8/0x160 [ 79.706437][ T5637] dump_stack+0x1c/0x5c [ 79.706983][ T5637] sysfs_create_dir_ns+0x22c/0x24c [ 79.707821][ T5637] kobject_add_internal+0x590/0xc54 [ 79.708625][ T5637] kobject_init_and_add+0x118/0x17c [ 79.709406][ T5637] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.710168][ T5637] gfs2_fill_super+0xdac/0x19e0 [ 79.710961][ T5637] get_tree_bdev+0x358/0x544 [ 79.710964][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.710981][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.711681][ T5637] gfs2_get_tree+0x54/0x1b4 [ 79.715226][ T5637] vfs_get_tree+0x90/0x274 [ 79.715857][ T5637] do_new_mount+0x228/0x810 [ 79.716523][ T5637] path_mount+0x5b4/0x1000 [ 79.717200][ T5637] __arm64_sys_mount+0x514/0x5e4 [ 79.717947][ T5637] invoke_syscall+0x98/0x2b8 [ 79.718620][ T5637] el0_svc_common+0x138/0x258 [ 79.719338][ T5637] do_el0_svc+0x58/0x14c [ 79.720002][ T5637] el0_svc+0x78/0x1e0 [ 79.720567][ T5637] el0t_64_sync_handler+0xcc/0xe4 [ 79.721335][ T5637] el0t_64_sync+0x1a0/0x1a4 [ 79.745650][ T5643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.748165][ T5643] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.749394][ T5637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.751191][ T5637] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.776337][ T5641] loop0: detected capacity change from 0 to 32768 [ 79.848218][ T5641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.849435][ T5641] CPU: 0 PID: 5641 Comm: syz.0.34 Not tainted syzkaller #0 [ 79.850535][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.851901][ T5641] Call trace: [ 79.852363][ T5641] dump_backtrace+0x0/0x43c [ 79.853026][ T5641] show_stack+0x2c/0x3c [ 79.853701][ T5641] __dump_stack+0x30/0x40 [ 79.854374][ T5641] dump_stack_lvl+0xf8/0x160 [ 79.855038][ T5641] dump_stack+0x1c/0x5c [ 79.855563][ T5641] sysfs_create_dir_ns+0x22c/0x24c [ 79.856253][ T5641] kobject_add_internal+0x590/0xc54 [ 79.857009][ T5641] kobject_init_and_add+0x118/0x17c [ 79.857784][ T5641] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.858499][ T5641] gfs2_fill_super+0xdac/0x19e0 [ 79.859200][ T5641] get_tree_bdev+0x358/0x544 [ 79.859835][ T5641] gfs2_get_tree+0x54/0x1b4 [ 79.860471][ T5641] vfs_get_tree+0x90/0x274 [ 79.861082][ T5641] do_new_mount+0x228/0x810 [ 79.861722][ T5641] path_mount+0x5b4/0x1000 [ 79.862443][ T5641] __arm64_sys_mount+0x514/0x5e4 [ 79.863279][ T5641] invoke_syscall+0x98/0x2b8 [ 79.863964][ T5641] el0_svc_common+0x138/0x258 [ 79.864738][ T5641] do_el0_svc+0x58/0x14c [ 79.865423][ T5641] el0_svc+0x78/0x1e0 [ 79.866050][ T5641] el0t_64_sync_handler+0xcc/0xe4 [ 79.866811][ T5641] el0t_64_sync+0x1a0/0x1a4 [ 79.880808][ T5645] loop2: detected capacity change from 0 to 32768 [ 79.882307][ T5641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.884105][ T5641] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.920141][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.921346][ T5645] CPU: 0 PID: 5645 Comm: syz.2.36 Not tainted syzkaller #0 [ 79.922451][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.923940][ T5645] Call trace: [ 79.924417][ T5645] dump_backtrace+0x0/0x43c [ 79.925119][ T5645] show_stack+0x2c/0x3c [ 79.925751][ T5645] __dump_stack+0x30/0x40 [ 79.926399][ T5645] dump_stack_lvl+0xf8/0x160 [ 79.927071][ T5645] dump_stack+0x1c/0x5c [ 79.927667][ T5645] sysfs_create_dir_ns+0x22c/0x24c [ 79.928436][ T5645] kobject_add_internal+0x590/0xc54 [ 79.929258][ T5645] kobject_init_and_add+0x118/0x17c [ 79.930050][ T5645] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.930790][ T5645] gfs2_fill_super+0xdac/0x19e0 [ 79.931480][ T5645] get_tree_bdev+0x358/0x544 [ 79.932156][ T5645] gfs2_get_tree+0x54/0x1b4 [ 79.932918][ T5645] vfs_get_tree+0x90/0x274 [ 79.933624][ T5645] do_new_mount+0x228/0x810 [ 79.934323][ T5645] path_mount+0x5b4/0x1000 [ 79.934970][ T5645] __arm64_sys_mount+0x514/0x5e4 [ 79.935719][ T5645] invoke_syscall+0x98/0x2b8 [ 79.936479][ T5645] el0_svc_common+0x138/0x258 [ 79.937194][ T5645] do_el0_svc+0x58/0x14c [ 79.937788][ T5645] el0_svc+0x78/0x1e0 [ 79.938403][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 79.939277][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 79.978331][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.978480][ T5647] loop1: detected capacity change from 0 to 32768 [ 79.980316][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.020731][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.021973][ T5647] CPU: 1 PID: 5647 Comm: syz.1.37 Not tainted syzkaller #0 [ 80.023067][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.024670][ T5647] Call trace: [ 80.025134][ T5647] dump_backtrace+0x0/0x43c [ 80.025856][ T5647] show_stack+0x2c/0x3c [ 80.026472][ T5647] __dump_stack+0x30/0x40 [ 80.027119][ T5647] dump_stack_lvl+0xf8/0x160 [ 80.027849][ T5647] dump_stack+0x1c/0x5c [ 80.028517][ T5647] sysfs_create_dir_ns+0x22c/0x24c [ 80.029354][ T5647] kobject_add_internal+0x590/0xc54 [ 80.030151][ T5647] kobject_init_and_add+0x118/0x17c [ 80.030934][ T5647] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.031691][ T5647] gfs2_fill_super+0xdac/0x19e0 [ 80.032436][ T5647] get_tree_bdev+0x358/0x544 [ 80.033229][ T5647] gfs2_get_tree+0x54/0x1b4 [ 80.033986][ T5647] vfs_get_tree+0x90/0x274 [ 80.034742][ T5647] do_new_mount+0x228/0x810 [ 80.035499][ T5647] path_mount+0x5b4/0x1000 [ 80.036227][ T5647] __arm64_sys_mount+0x514/0x5e4 [ 80.037052][ T5647] invoke_syscall+0x98/0x2b8 [ 80.037805][ T5647] el0_svc_common+0x138/0x258 [ 80.038553][ T5647] do_el0_svc+0x58/0x14c [ 80.039249][ T5647] el0_svc+0x78/0x1e0 [ 80.039863][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 80.040619][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 80.063876][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.066126][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.098438][ T5643] loop4: detected capacity change from 0 to 32768 [ 80.119005][ T5643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.120205][ T5643] CPU: 0 PID: 5643 Comm: syz.4.35 Not tainted syzkaller #0 [ 80.121356][ T5643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.122822][ T5643] Call trace: [ 80.123283][ T5643] dump_backtrace+0x0/0x43c [ 80.123905][ T5643] show_stack+0x2c/0x3c [ 80.124480][ T5643] __dump_stack+0x30/0x40 [ 80.125177][ T5643] dump_stack_lvl+0xf8/0x160 [ 80.125901][ T5643] dump_stack+0x1c/0x5c [ 80.126566][ T5643] sysfs_create_dir_ns+0x22c/0x24c [ 80.127408][ T5643] kobject_add_internal+0x590/0xc54 [ 80.128201][ T5643] kobject_init_and_add+0x118/0x17c [ 80.128990][ T5643] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.129727][ T5643] gfs2_fill_super+0xdac/0x19e0 [ 80.130413][ T5643] get_tree_bdev+0x358/0x544 [ 80.131094][ T5643] gfs2_get_tree+0x54/0x1b4 [ 80.131780][ T5643] vfs_get_tree+0x90/0x274 [ 80.132420][ T5643] do_new_mount+0x228/0x810 [ 80.133134][ T5643] path_mount+0x5b4/0x1000 [ 80.133830][ T5643] __arm64_sys_mount+0x514/0x5e4 [ 80.134563][ T5643] invoke_syscall+0x98/0x2b8 [ 80.135212][ T5643] el0_svc_common+0x138/0x258 [ 80.135498][ T5649] loop0: detected capacity change from 0 to 32768 [ 80.135922][ T5643] do_el0_svc+0x58/0x14c [ 80.137484][ T5643] el0_svc+0x78/0x1e0 [ 80.138119][ T5643] el0t_64_sync_handler+0xcc/0xe4 [ 80.138883][ T5643] el0t_64_sync+0x1a0/0x1a4 [ 80.164357][ T5643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.166132][ T5643] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.192967][ T5645] loop2: detected capacity change from 0 to 32768 [ 80.199587][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.200753][ T5649] CPU: 1 PID: 5649 Comm: syz.0.38 Not tainted syzkaller #0 [ 80.201904][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.203493][ T5649] Call trace: [ 80.204006][ T5649] dump_backtrace+0x0/0x43c [ 80.204708][ T5649] show_stack+0x2c/0x3c [ 80.205352][ T5649] __dump_stack+0x30/0x40 [ 80.206039][ T5649] dump_stack_lvl+0xf8/0x160 [ 80.206736][ T5649] dump_stack+0x1c/0x5c [ 80.207409][ T5649] sysfs_create_dir_ns+0x22c/0x24c [ 80.208288][ T5649] kobject_add_internal+0x590/0xc54 [ 80.209092][ T5649] kobject_init_and_add+0x118/0x17c [ 80.209871][ T5649] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.210638][ T5649] gfs2_fill_super+0xdac/0x19e0 [ 80.211361][ T5649] get_tree_bdev+0x358/0x544 [ 80.212019][ T5649] gfs2_get_tree+0x54/0x1b4 [ 80.212759][ T5649] vfs_get_tree+0x90/0x274 [ 80.213416][ T5649] do_new_mount+0x228/0x810 [ 80.214058][ T5649] path_mount+0x5b4/0x1000 [ 80.214696][ T5649] __arm64_sys_mount+0x514/0x5e4 [ 80.215396][ T5649] invoke_syscall+0x98/0x2b8 [ 80.216030][ T5649] el0_svc_common+0x138/0x258 [ 80.216697][ T5649] do_el0_svc+0x58/0x14c [ 80.217372][ T5649] el0_svc+0x78/0x1e0 [ 80.218007][ T5649] el0t_64_sync_handler+0xcc/0xe4 [ 80.218760][ T5649] el0t_64_sync+0x1a0/0x1a4 [ 80.229996][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.231237][ T5645] CPU: 0 PID: 5645 Comm: syz.2.36 Not tainted syzkaller #0 [ 80.232401][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.233420][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.233938][ T5645] Call trace: [ 80.233944][ T5645] dump_backtrace+0x0/0x43c [ 80.235714][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.236152][ T5645] show_stack+0x2c/0x3c [ 80.238563][ T5645] __dump_stack+0x30/0x40 [ 80.239253][ T5645] dump_stack_lvl+0xf8/0x160 [ 80.239980][ T5645] dump_stack+0x1c/0x5c [ 80.240605][ T5645] sysfs_create_dir_ns+0x22c/0x24c [ 80.241359][ T5645] kobject_add_internal+0x590/0xc54 [ 80.242074][ T5645] kobject_init_and_add+0x118/0x17c [ 80.242889][ T5645] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.243590][ T5645] gfs2_fill_super+0xdac/0x19e0 [ 80.243756][ T5647] loop1: detected capacity change from 0 to 32768 [ 80.244291][ T5645] get_tree_bdev+0x358/0x544 [ 80.245792][ T5645] gfs2_get_tree+0x54/0x1b4 [ 80.246414][ T5645] vfs_get_tree+0x90/0x274 [ 80.247025][ T5645] do_new_mount+0x228/0x810 [ 80.247729][ T5645] path_mount+0x5b4/0x1000 [ 80.248378][ T5645] __arm64_sys_mount+0x514/0x5e4 [ 80.249194][ T5645] invoke_syscall+0x98/0x2b8 [ 80.249923][ T5645] el0_svc_common+0x138/0x258 [ 80.250662][ T5645] do_el0_svc+0x58/0x14c [ 80.251291][ T5645] el0_svc+0x78/0x1e0 [ 80.251870][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 80.252588][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 80.275827][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.279787][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.287745][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.289019][ T5647] CPU: 0 PID: 5647 Comm: syz.1.37 Not tainted syzkaller #0 [ 80.290078][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.291635][ T5647] Call trace: [ 80.292085][ T5647] dump_backtrace+0x0/0x43c [ 80.292688][ T5647] show_stack+0x2c/0x3c [ 80.293263][ T5647] __dump_stack+0x30/0x40 [ 80.293888][ T5647] dump_stack_lvl+0xf8/0x160 [ 80.294609][ T5647] dump_stack+0x1c/0x5c [ 80.295229][ T5647] sysfs_create_dir_ns+0x22c/0x24c [ 80.295988][ T5647] kobject_add_internal+0x590/0xc54 [ 80.296767][ T5647] kobject_init_and_add+0x118/0x17c [ 80.297533][ T5647] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.298263][ T5647] gfs2_fill_super+0xdac/0x19e0 [ 80.299068][ T5647] get_tree_bdev+0x358/0x544 [ 80.299822][ T5647] gfs2_get_tree+0x54/0x1b4 [ 80.300562][ T5647] vfs_get_tree+0x90/0x274 [ 80.301270][ T5647] do_new_mount+0x228/0x810 [ 80.302045][ T5647] path_mount+0x5b4/0x1000 [ 80.302722][ T5647] __arm64_sys_mount+0x514/0x5e4 [ 80.303532][ T5647] invoke_syscall+0x98/0x2b8 [ 80.304294][ T5647] el0_svc_common+0x138/0x258 [ 80.304995][ T5647] do_el0_svc+0x58/0x14c [ 80.305643][ T5647] el0_svc+0x78/0x1e0 [ 80.306288][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 80.307112][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 80.334720][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.336714][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.420112][ T5651] loop4: detected capacity change from 0 to 32768 [ 80.460318][ T5651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.461519][ T5651] CPU: 1 PID: 5651 Comm: syz.4.39 Not tainted syzkaller #0 [ 80.462609][ T5651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.464064][ T5651] Call trace: [ 80.464537][ T5651] dump_backtrace+0x0/0x43c [ 80.465265][ T5651] show_stack+0x2c/0x3c [ 80.465927][ T5651] __dump_stack+0x30/0x40 [ 80.466627][ T5651] dump_stack_lvl+0xf8/0x160 [ 80.467347][ T5651] dump_stack+0x1c/0x5c [ 80.468068][ T5651] sysfs_create_dir_ns+0x22c/0x24c [ 80.468881][ T5651] kobject_add_internal+0x590/0xc54 [ 80.469716][ T5651] kobject_init_and_add+0x118/0x17c [ 80.470553][ T5651] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.471342][ T5651] gfs2_fill_super+0xdac/0x19e0 [ 80.472170][ T5651] get_tree_bdev+0x358/0x544 [ 80.472869][ T5651] gfs2_get_tree+0x54/0x1b4 [ 80.473551][ T5651] vfs_get_tree+0x90/0x274 [ 80.474247][ T5651] do_new_mount+0x228/0x810 [ 80.474973][ T5651] path_mount+0x5b4/0x1000 [ 80.475634][ T5651] __arm64_sys_mount+0x514/0x5e4 [ 80.476360][ T5651] invoke_syscall+0x98/0x2b8 [ 80.477087][ T5651] el0_svc_common+0x138/0x258 [ 80.477804][ T5651] do_el0_svc+0x58/0x14c [ 80.478479][ T5651] el0_svc+0x78/0x1e0 [ 80.479082][ T5651] el0t_64_sync_handler+0xcc/0xe4 [ 80.479929][ T5651] el0t_64_sync+0x1a0/0x1a4 [ 80.503695][ T5651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.510526][ T5651] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.515175][ T5653] loop2: detected capacity change from 0 to 32768 [ 80.557691][ T5653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.558809][ T5653] CPU: 1 PID: 5653 Comm: syz.2.40 Not tainted syzkaller #0 [ 80.559749][ T5653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.561108][ T5653] Call trace: [ 80.561594][ T5653] dump_backtrace+0x0/0x43c [ 80.562283][ T5653] show_stack+0x2c/0x3c [ 80.562831][ T5653] __dump_stack+0x30/0x40 [ 80.563450][ T5653] dump_stack_lvl+0xf8/0x160 [ 80.564102][ T5653] dump_stack+0x1c/0x5c [ 80.564730][ T5653] sysfs_create_dir_ns+0x22c/0x24c [ 80.565605][ T5653] kobject_add_internal+0x590/0xc54 [ 80.566434][ T5653] kobject_init_and_add+0x118/0x17c [ 80.567254][ T5653] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.567968][ T5653] gfs2_fill_super+0xdac/0x19e0 [ 80.568741][ T5653] get_tree_bdev+0x358/0x544 [ 80.569455][ T5653] gfs2_get_tree+0x54/0x1b4 [ 80.570082][ T5653] vfs_get_tree+0x90/0x274 [ 80.570797][ T5653] do_new_mount+0x228/0x810 [ 80.571486][ T5653] path_mount+0x5b4/0x1000 [ 80.572189][ T5653] __arm64_sys_mount+0x514/0x5e4 [ 80.572958][ T5653] invoke_syscall+0x98/0x2b8 [ 80.573720][ T5653] el0_svc_common+0x138/0x258 [ 80.574464][ T5653] do_el0_svc+0x58/0x14c [ 80.575130][ T5653] el0_svc+0x78/0x1e0 [ 80.575712][ T5653] el0t_64_sync_handler+0xcc/0xe4 [ 80.576444][ T5653] el0t_64_sync+0x1a0/0x1a4 [ 80.580741][ T5649] loop0: detected capacity change from 0 to 32768 [ 80.606792][ T5655] loop1: detected capacity change from 0 to 32768 [ 80.606981][ T5653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.609964][ T5653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.626825][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.627987][ T5649] CPU: 0 PID: 5649 Comm: syz.0.38 Not tainted syzkaller #0 [ 80.628937][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.630498][ T5649] Call trace: [ 80.630999][ T5649] dump_backtrace+0x0/0x43c [ 80.631665][ T5649] show_stack+0x2c/0x3c [ 80.632261][ T5649] __dump_stack+0x30/0x40 [ 80.632957][ T5649] dump_stack_lvl+0xf8/0x160 [ 80.633662][ T5649] dump_stack+0x1c/0x5c [ 80.634286][ T5649] sysfs_create_dir_ns+0x22c/0x24c [ 80.634991][ T5649] kobject_add_internal+0x590/0xc54 [ 80.635777][ T5649] kobject_init_and_add+0x118/0x17c [ 80.636571][ T5649] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.637341][ T5649] gfs2_fill_super+0xdac/0x19e0 [ 80.638059][ T5649] get_tree_bdev+0x358/0x544 [ 80.638754][ T5649] gfs2_get_tree+0x54/0x1b4 [ 80.639459][ T5649] vfs_get_tree+0x90/0x274 [ 80.640112][ T5649] do_new_mount+0x228/0x810 [ 80.640821][ T5649] path_mount+0x5b4/0x1000 [ 80.641520][ T5649] __arm64_sys_mount+0x514/0x5e4 [ 80.642255][ T5649] invoke_syscall+0x98/0x2b8 [ 80.642938][ T5649] el0_svc_common+0x138/0x258 [ 80.643709][ T5649] do_el0_svc+0x58/0x14c [ 80.644372][ T5649] el0_svc+0x78/0x1e0 [ 80.644989][ T5649] el0t_64_sync_handler+0xcc/0xe4 [ 80.645824][ T5649] el0t_64_sync+0x1a0/0x1a4 [ 80.650138][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.651901][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.670428][ T5655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.671522][ T5655] CPU: 0 PID: 5655 Comm: syz.1.41 Not tainted syzkaller #0 [ 80.672650][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.674106][ T5655] Call trace: [ 80.674598][ T5655] dump_backtrace+0x0/0x43c [ 80.675291][ T5655] show_stack+0x2c/0x3c [ 80.675869][ T5655] __dump_stack+0x30/0x40 [ 80.676449][ T5655] dump_stack_lvl+0xf8/0x160 [ 80.676581][ T5651] loop4: detected capacity change from 0 to 32768 [ 80.677093][ T5655] dump_stack+0x1c/0x5c [ 80.677111][ T5655] sysfs_create_dir_ns+0x22c/0x24c [ 80.679441][ T5655] kobject_add_internal+0x590/0xc54 [ 80.680201][ T5655] kobject_init_and_add+0x118/0x17c [ 80.680980][ T5655] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.681707][ T5655] gfs2_fill_super+0xdac/0x19e0 [ 80.682384][ T5655] get_tree_bdev+0x358/0x544 [ 80.683066][ T5655] gfs2_get_tree+0x54/0x1b4 [ 80.683723][ T5655] vfs_get_tree+0x90/0x274 [ 80.684423][ T5655] do_new_mount+0x228/0x810 [ 80.685110][ T5655] path_mount+0x5b4/0x1000 [ 80.685807][ T5655] __arm64_sys_mount+0x514/0x5e4 [ 80.686550][ T5655] invoke_syscall+0x98/0x2b8 [ 80.687230][ T5655] el0_svc_common+0x138/0x258 [ 80.687900][ T5655] do_el0_svc+0x58/0x14c [ 80.688545][ T5655] el0_svc+0x78/0x1e0 [ 80.689112][ T5655] el0t_64_sync_handler+0xcc/0xe4 [ 80.689874][ T5655] el0t_64_sync+0x1a0/0x1a4 [ 80.699596][ T5651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.700785][ T5651] CPU: 1 PID: 5651 Comm: syz.4.39 Not tainted syzkaller #0 [ 80.701157][ T5655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.701890][ T5651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.703665][ T5655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.705288][ T5651] Call trace: [ 80.706844][ T5651] dump_backtrace+0x0/0x43c [ 80.707600][ T5651] show_stack+0x2c/0x3c [ 80.708239][ T5651] __dump_stack+0x30/0x40 [ 80.708892][ T5651] dump_stack_lvl+0xf8/0x160 [ 80.709674][ T5651] dump_stack+0x1c/0x5c [ 80.710324][ T5651] sysfs_create_dir_ns+0x22c/0x24c [ 80.711140][ T5651] kobject_add_internal+0x590/0xc54 [ 80.711955][ T5651] kobject_init_and_add+0x118/0x17c [ 80.712716][ T5651] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.713422][ T5651] gfs2_fill_super+0xdac/0x19e0 [ 80.714215][ T5651] get_tree_bdev+0x358/0x544 [ 80.714898][ T5651] gfs2_get_tree+0x54/0x1b4 [ 80.715592][ T5651] vfs_get_tree+0x90/0x274 [ 80.716319][ T5651] do_new_mount+0x228/0x810 [ 80.717033][ T5651] path_mount+0x5b4/0x1000 [ 80.717720][ T5651] __arm64_sys_mount+0x514/0x5e4 [ 80.718513][ T5651] invoke_syscall+0x98/0x2b8 [ 80.719211][ T5651] el0_svc_common+0x138/0x258 [ 80.719903][ T5651] do_el0_svc+0x58/0x14c [ 80.720578][ T5651] el0_svc+0x78/0x1e0 [ 80.721159][ T5651] el0t_64_sync_handler+0xcc/0xe4 [ 80.721901][ T5651] el0t_64_sync+0x1a0/0x1a4 [ 80.729481][ T5651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.731612][ T5651] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.770524][ T5653] loop2: detected capacity change from 0 to 32768 [ 80.822015][ T5653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.823193][ T5653] CPU: 0 PID: 5653 Comm: syz.2.40 Not tainted syzkaller #0 [ 80.824232][ T5653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.825658][ T5653] Call trace: [ 80.826110][ T5653] dump_backtrace+0x0/0x43c [ 80.826841][ T5653] show_stack+0x2c/0x3c [ 80.827457][ T5653] __dump_stack+0x30/0x40 [ 80.828093][ T5653] dump_stack_lvl+0xf8/0x160 [ 80.828737][ T5653] dump_stack+0x1c/0x5c [ 80.829329][ T5653] sysfs_create_dir_ns+0x22c/0x24c [ 80.830066][ T5653] kobject_add_internal+0x590/0xc54 [ 80.830949][ T5653] kobject_init_and_add+0x118/0x17c [ 80.831817][ T5653] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.832552][ T5653] gfs2_fill_super+0xdac/0x19e0 [ 80.833314][ T5653] get_tree_bdev+0x358/0x544 [ 80.834044][ T5653] gfs2_get_tree+0x54/0x1b4 [ 80.834720][ T5653] vfs_get_tree+0x90/0x274 [ 80.835381][ T5653] do_new_mount+0x228/0x810 [ 80.836050][ T5653] path_mount+0x5b4/0x1000 [ 80.836704][ T5653] __arm64_sys_mount+0x514/0x5e4 [ 80.837408][ T5653] invoke_syscall+0x98/0x2b8 [ 80.838057][ T5653] el0_svc_common+0x138/0x258 [ 80.838705][ T5653] do_el0_svc+0x58/0x14c [ 80.839303][ T5653] el0_svc+0x78/0x1e0 [ 80.839931][ T5653] el0t_64_sync_handler+0xcc/0xe4 [ 80.840721][ T5653] el0t_64_sync+0x1a0/0x1a4 [ 80.882084][ T5653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.883845][ T5653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.919845][ T5657] loop0: detected capacity change from 0 to 32768 [ 80.957904][ T5657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.959075][ T5657] CPU: 1 PID: 5657 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.960120][ T5657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.961687][ T5657] Call trace: [ 80.962213][ T5657] dump_backtrace+0x0/0x43c [ 80.962941][ T5657] show_stack+0x2c/0x3c [ 80.963565][ T5657] __dump_stack+0x30/0x40 [ 80.964185][ T5657] dump_stack_lvl+0xf8/0x160 [ 80.964884][ T5657] dump_stack+0x1c/0x5c [ 80.965554][ T5657] sysfs_create_dir_ns+0x22c/0x24c [ 80.966361][ T5657] kobject_add_internal+0x590/0xc54 [ 80.967228][ T5657] kobject_init_and_add+0x118/0x17c [ 80.968063][ T5657] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.968869][ T5657] gfs2_fill_super+0xdac/0x19e0 [ 80.969607][ T5657] get_tree_bdev+0x358/0x544 [ 80.970354][ T5657] gfs2_get_tree+0x54/0x1b4 [ 80.971114][ T5657] vfs_get_tree+0x90/0x274 [ 80.971761][ T5657] do_new_mount+0x228/0x810 [ 80.972413][ T5657] path_mount+0x5b4/0x1000 [ 80.973060][ T5657] __arm64_sys_mount+0x514/0x5e4 [ 80.973727][ T5657] invoke_syscall+0x98/0x2b8 [ 80.974370][ T5657] el0_svc_common+0x138/0x258 [ 80.975093][ T5657] do_el0_svc+0x58/0x14c [ 80.975726][ T5657] el0_svc+0x78/0x1e0 [ 80.976302][ T5657] el0t_64_sync_handler+0xcc/0xe4 [ 80.977062][ T5657] el0t_64_sync+0x1a0/0x1a4 [ 81.007602][ T5659] loop4: detected capacity change from 0 to 32768 [ 81.014219][ T5659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.014980][ T5657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.015394][ T5659] CPU: 0 PID: 5659 Comm: syz.4.43 Not tainted syzkaller #0 [ 81.018555][ T5659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.019499][ T5657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.020081][ T5659] Call trace: [ 81.021506][ T5659] dump_backtrace+0x0/0x43c [ 81.022181][ T5659] show_stack+0x2c/0x3c [ 81.022833][ T5659] __dump_stack+0x30/0x40 [ 81.023550][ T5659] dump_stack_lvl+0xf8/0x160 [ 81.024281][ T5659] dump_stack+0x1c/0x5c [ 81.024919][ T5659] sysfs_create_dir_ns+0x22c/0x24c [ 81.025702][ T5659] kobject_add_internal+0x590/0xc54 [ 81.026514][ T5659] kobject_init_and_add+0x118/0x17c [ 81.027236][ T5659] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.027979][ T5659] gfs2_fill_super+0xdac/0x19e0 [ 81.028729][ T5659] get_tree_bdev+0x358/0x544 [ 81.029480][ T5659] gfs2_get_tree+0x54/0x1b4 [ 81.030156][ T5659] vfs_get_tree+0x90/0x274 [ 81.030797][ T5659] do_new_mount+0x228/0x810 [ 81.031397][ T5659] path_mount+0x5b4/0x1000 [ 81.032036][ T5659] __arm64_sys_mount+0x514/0x5e4 [ 81.032704][ T5659] invoke_syscall+0x98/0x2b8 [ 81.033423][ T5659] el0_svc_common+0x138/0x258 [ 81.034114][ T5659] do_el0_svc+0x58/0x14c [ 81.034699][ T5659] el0_svc+0x78/0x1e0 [ 81.035287][ T5659] el0t_64_sync_handler+0xcc/0xe4 [ 81.036014][ T5659] el0t_64_sync+0x1a0/0x1a4 [ 81.054047][ T5655] loop1: detected capacity change from 0 to 32768 [ 81.067244][ T5659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.076980][ T5659] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.079434][ T5655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.080663][ T5655] CPU: 1 PID: 5655 Comm: syz.1.41 Not tainted syzkaller #0 [ 81.081810][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.083215][ T5655] Call trace: [ 81.083756][ T5655] dump_backtrace+0x0/0x43c [ 81.084474][ T5655] show_stack+0x2c/0x3c [ 81.085138][ T5655] __dump_stack+0x30/0x40 [ 81.085824][ T5655] dump_stack_lvl+0xf8/0x160 [ 81.086514][ T5655] dump_stack+0x1c/0x5c [ 81.087158][ T5655] sysfs_create_dir_ns+0x22c/0x24c [ 81.087920][ T5655] kobject_add_internal+0x590/0xc54 [ 81.088816][ T5655] kobject_init_and_add+0x118/0x17c [ 81.089615][ T5655] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.090352][ T5655] gfs2_fill_super+0xdac/0x19e0 [ 81.091096][ T5655] get_tree_bdev+0x358/0x544 [ 81.091796][ T5655] gfs2_get_tree+0x54/0x1b4 [ 81.092409][ T5655] vfs_get_tree+0x90/0x274 [ 81.093100][ T5655] do_new_mount+0x228/0x810 [ 81.093870][ T5655] path_mount+0x5b4/0x1000 [ 81.094602][ T5655] __arm64_sys_mount+0x514/0x5e4 [ 81.095360][ T5655] invoke_syscall+0x98/0x2b8 [ 81.096071][ T5655] el0_svc_common+0x138/0x258 [ 81.096814][ T5655] do_el0_svc+0x58/0x14c [ 81.097470][ T5655] el0_svc+0x78/0x1e0 [ 81.098087][ T5655] el0t_64_sync_handler+0xcc/0xe4 [ 81.098898][ T5655] el0t_64_sync+0x1a0/0x1a4 [ 81.122615][ T5661] loop2: detected capacity change from 0 to 32768 [ 81.123950][ T5655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.126060][ T5655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.171349][ T5661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.172450][ T5661] CPU: 0 PID: 5661 Comm: syz.2.44 Not tainted syzkaller #0 [ 81.173460][ T5661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.174943][ T5661] Call trace: [ 81.175427][ T5661] dump_backtrace+0x0/0x43c [ 81.176152][ T5661] show_stack+0x2c/0x3c [ 81.176821][ T5661] __dump_stack+0x30/0x40 [ 81.177515][ T5661] dump_stack_lvl+0xf8/0x160 [ 81.178202][ T5661] dump_stack+0x1c/0x5c [ 81.178840][ T5661] sysfs_create_dir_ns+0x22c/0x24c [ 81.179627][ T5661] kobject_add_internal+0x590/0xc54 [ 81.180419][ T5661] kobject_init_and_add+0x118/0x17c [ 81.181188][ T5661] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.181922][ T5661] gfs2_fill_super+0xdac/0x19e0 [ 81.182660][ T5661] get_tree_bdev+0x358/0x544 [ 81.183370][ T5661] gfs2_get_tree+0x54/0x1b4 [ 81.184031][ T5661] vfs_get_tree+0x90/0x274 [ 81.184713][ T5661] do_new_mount+0x228/0x810 [ 81.185431][ T5661] path_mount+0x5b4/0x1000 [ 81.186150][ T5661] __arm64_sys_mount+0x514/0x5e4 [ 81.186866][ T5661] invoke_syscall+0x98/0x2b8 [ 81.187575][ T5661] el0_svc_common+0x138/0x258 [ 81.188339][ T5661] do_el0_svc+0x58/0x14c [ 81.188959][ T5661] el0_svc+0x78/0x1e0 [ 81.189600][ T5661] el0t_64_sync_handler+0xcc/0xe4 [ 81.190360][ T5661] el0t_64_sync+0x1a0/0x1a4 [ 81.220869][ T5661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.222953][ T5661] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.258122][ T5657] loop0: detected capacity change from 0 to 32768 [ 81.260177][ T5657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.261263][ T5657] CPU: 1 PID: 5657 Comm: syz.0.42 Not tainted syzkaller #0 [ 81.262320][ T5657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.263737][ T5657] Call trace: [ 81.264275][ T5657] dump_backtrace+0x0/0x43c [ 81.265043][ T5657] show_stack+0x2c/0x3c [ 81.265687][ T5657] __dump_stack+0x30/0x40 [ 81.266374][ T5657] dump_stack_lvl+0xf8/0x160 [ 81.267128][ T5657] dump_stack+0x1c/0x5c [ 81.267738][ T5657] sysfs_create_dir_ns+0x22c/0x24c [ 81.268532][ T5657] kobject_add_internal+0x590/0xc54 [ 81.269325][ T5657] kobject_init_and_add+0x118/0x17c [ 81.270103][ T5657] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.270776][ T5657] gfs2_fill_super+0xdac/0x19e0 [ 81.271545][ T5657] get_tree_bdev+0x358/0x544 [ 81.272261][ T5657] gfs2_get_tree+0x54/0x1b4 [ 81.273000][ T5657] vfs_get_tree+0x90/0x274 [ 81.273715][ T5657] do_new_mount+0x228/0x810 [ 81.274375][ T5657] path_mount+0x5b4/0x1000 [ 81.275054][ T5657] __arm64_sys_mount+0x514/0x5e4 [ 81.275886][ T5657] invoke_syscall+0x98/0x2b8 [ 81.276614][ T5657] el0_svc_common+0x138/0x258 [ 81.277410][ T5657] do_el0_svc+0x58/0x14c [ 81.278062][ T5657] el0_svc+0x78/0x1e0 [ 81.278682][ T5657] el0t_64_sync_handler+0xcc/0xe4 [ 81.279466][ T5657] el0t_64_sync+0x1a0/0x1a4 [ 81.310619][ T5657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.312530][ T5659] loop4: detected capacity change from 0 to 32768 [ 81.317421][ T5657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.347931][ T5659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.349121][ T5659] CPU: 0 PID: 5659 Comm: syz.4.43 Not tainted syzkaller #0 [ 81.350246][ T5659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.351832][ T5659] Call trace: [ 81.352285][ T5659] dump_backtrace+0x0/0x43c [ 81.352914][ T5659] show_stack+0x2c/0x3c [ 81.353494][ T5659] __dump_stack+0x30/0x40 [ 81.354189][ T5659] dump_stack_lvl+0xf8/0x160 [ 81.354945][ T5659] dump_stack+0x1c/0x5c [ 81.355624][ T5659] sysfs_create_dir_ns+0x22c/0x24c [ 81.356409][ T5659] kobject_add_internal+0x590/0xc54 [ 81.357240][ T5659] kobject_init_and_add+0x118/0x17c [ 81.358033][ T5659] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.358680][ T5659] gfs2_fill_super+0xdac/0x19e0 [ 81.359444][ T5659] get_tree_bdev+0x358/0x544 [ 81.360225][ T5659] gfs2_get_tree+0x54/0x1b4 [ 81.360919][ T5659] vfs_get_tree+0x90/0x274 [ 81.361601][ T5659] do_new_mount+0x228/0x810 [ 81.362283][ T5659] path_mount+0x5b4/0x1000 [ 81.363003][ T5659] __arm64_sys_mount+0x514/0x5e4 [ 81.363792][ T5659] invoke_syscall+0x98/0x2b8 [ 81.364584][ T5659] el0_svc_common+0x138/0x258 [ 81.365384][ T5659] do_el0_svc+0x58/0x14c [ 81.366018][ T5659] el0_svc+0x78/0x1e0 [ 81.366588][ T5659] el0t_64_sync_handler+0xcc/0xe4 [ 81.367292][ T5659] el0t_64_sync+0x1a0/0x1a4 [ 81.398427][ T5659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.400466][ T5659] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.414944][ T5663] loop1: detected capacity change from 0 to 32768 [ 81.457764][ T5663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.458795][ T5663] CPU: 1 PID: 5663 Comm: syz.1.45 Not tainted syzkaller #0 [ 81.459817][ T5663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.461429][ T5663] Call trace: [ 81.461874][ T5663] dump_backtrace+0x0/0x43c [ 81.462514][ T5663] show_stack+0x2c/0x3c [ 81.463073][ T5663] __dump_stack+0x30/0x40 [ 81.463634][ T5663] dump_stack_lvl+0xf8/0x160 [ 81.464368][ T5663] dump_stack+0x1c/0x5c [ 81.465052][ T5663] sysfs_create_dir_ns+0x22c/0x24c [ 81.465929][ T5663] kobject_add_internal+0x590/0xc54 [ 81.466737][ T5663] kobject_init_and_add+0x118/0x17c [ 81.467633][ T5663] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.467974][ T5661] loop2: detected capacity change from 0 to 32768 [ 81.468398][ T5663] gfs2_fill_super+0xdac/0x19e0 [ 81.470120][ T5663] get_tree_bdev+0x358/0x544 [ 81.470816][ T5663] gfs2_get_tree+0x54/0x1b4 [ 81.471513][ T5663] vfs_get_tree+0x90/0x274 [ 81.472266][ T5663] do_new_mount+0x228/0x810 [ 81.472996][ T5663] path_mount+0x5b4/0x1000 [ 81.473674][ T5663] __arm64_sys_mount+0x514/0x5e4 [ 81.474434][ T5663] invoke_syscall+0x98/0x2b8 [ 81.475146][ T5663] el0_svc_common+0x138/0x258 [ 81.475845][ T5663] do_el0_svc+0x58/0x14c [ 81.476494][ T5663] el0_svc+0x78/0x1e0 [ 81.477117][ T5663] el0t_64_sync_handler+0xcc/0xe4 [ 81.477884][ T5663] el0t_64_sync+0x1a0/0x1a4 [ 81.483051][ T5661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.484107][ T5661] CPU: 0 PID: 5661 Comm: syz.2.44 Not tainted syzkaller #0 [ 81.485121][ T5661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.486711][ T5661] Call trace: [ 81.487222][ T5661] dump_backtrace+0x0/0x43c [ 81.487925][ T5661] show_stack+0x2c/0x3c [ 81.488579][ T5661] __dump_stack+0x30/0x40 [ 81.489327][ T5661] dump_stack_lvl+0xf8/0x160 [ 81.490089][ T5661] dump_stack+0x1c/0x5c [ 81.490784][ T5661] sysfs_create_dir_ns+0x22c/0x24c [ 81.491615][ T5661] kobject_add_internal+0x590/0xc54 [ 81.492490][ T5661] kobject_init_and_add+0x118/0x17c [ 81.493303][ T5661] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.494030][ T5661] gfs2_fill_super+0xdac/0x19e0 [ 81.494747][ T5661] get_tree_bdev+0x358/0x544 [ 81.495391][ T5661] gfs2_get_tree+0x54/0x1b4 [ 81.496033][ T5661] vfs_get_tree+0x90/0x274 [ 81.496642][ T5661] do_new_mount+0x228/0x810 [ 81.497276][ T5661] path_mount+0x5b4/0x1000 [ 81.497918][ T5661] __arm64_sys_mount+0x514/0x5e4 [ 81.498588][ T5661] invoke_syscall+0x98/0x2b8 [ 81.499373][ T5661] el0_svc_common+0x138/0x258 [ 81.500121][ T5661] do_el0_svc+0x58/0x14c [ 81.500778][ T5661] el0_svc+0x78/0x1e0 [ 81.501344][ T5661] el0t_64_sync_handler+0xcc/0xe4 [ 81.502058][ T5661] el0t_64_sync+0x1a0/0x1a4 [ 81.511163][ T5663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.512978][ T5663] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.527922][ T5661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.529889][ T5661] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.548469][ T5665] loop0: detected capacity change from 0 to 32768 [ 81.551771][ T5665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.552940][ T5665] CPU: 1 PID: 5665 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.554052][ T5665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.555595][ T5665] Call trace: [ 81.556107][ T5665] dump_backtrace+0x0/0x43c [ 81.556833][ T5665] show_stack+0x2c/0x3c [ 81.557529][ T5665] __dump_stack+0x30/0x40 [ 81.558265][ T5665] dump_stack_lvl+0xf8/0x160 [ 81.559024][ T5665] dump_stack+0x1c/0x5c [ 81.559679][ T5665] sysfs_create_dir_ns+0x22c/0x24c [ 81.560492][ T5665] kobject_add_internal+0x590/0xc54 [ 81.561304][ T5665] kobject_init_and_add+0x118/0x17c [ 81.562167][ T5665] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.562956][ T5665] gfs2_fill_super+0xdac/0x19e0 [ 81.563718][ T5665] get_tree_bdev+0x358/0x544 [ 81.564432][ T5665] gfs2_get_tree+0x54/0x1b4 [ 81.565088][ T5665] vfs_get_tree+0x90/0x274 [ 81.565713][ T5665] do_new_mount+0x228/0x810 [ 81.566350][ T5665] path_mount+0x5b4/0x1000 [ 81.567032][ T5665] __arm64_sys_mount+0x514/0x5e4 [ 81.567785][ T5665] invoke_syscall+0x98/0x2b8 [ 81.568492][ T5665] el0_svc_common+0x138/0x258 [ 81.569160][ T5665] do_el0_svc+0x58/0x14c [ 81.569775][ T5665] el0_svc+0x78/0x1e0 [ 81.570347][ T5665] el0t_64_sync_handler+0xcc/0xe4 [ 81.571085][ T5665] el0t_64_sync+0x1a0/0x1a4 [ 81.602612][ T5665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.604562][ T5665] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.710392][ T5667] loop4: detected capacity change from 0 to 32768 [ 81.727823][ T5667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.729024][ T5667] CPU: 0 PID: 5667 Comm: syz.4.47 Not tainted syzkaller #0 [ 81.730124][ T5667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.731648][ T5667] Call trace: [ 81.732184][ T5667] dump_backtrace+0x0/0x43c [ 81.732844][ T5667] show_stack+0x2c/0x3c [ 81.733516][ T5667] __dump_stack+0x30/0x40 [ 81.734162][ T5667] dump_stack_lvl+0xf8/0x160 [ 81.734881][ T5667] dump_stack+0x1c/0x5c [ 81.735499][ T5667] sysfs_create_dir_ns+0x22c/0x24c [ 81.736246][ T5667] kobject_add_internal+0x590/0xc54 [ 81.737112][ T5667] kobject_init_and_add+0x118/0x17c [ 81.737987][ T5667] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.738738][ T5667] gfs2_fill_super+0xdac/0x19e0 [ 81.739450][ T5667] get_tree_bdev+0x358/0x544 [ 81.740115][ T5667] gfs2_get_tree+0x54/0x1b4 [ 81.740779][ T5667] vfs_get_tree+0x90/0x274 [ 81.741478][ T5667] do_new_mount+0x228/0x810 [ 81.741926][ T5663] loop1: detected capacity change from 0 to 32768 [ 81.742125][ T5667] path_mount+0x5b4/0x1000 [ 81.743660][ T5667] __arm64_sys_mount+0x514/0x5e4 [ 81.744442][ T5667] invoke_syscall+0x98/0x2b8 [ 81.745123][ T5667] el0_svc_common+0x138/0x258 [ 81.745845][ T5667] do_el0_svc+0x58/0x14c [ 81.746514][ T5667] el0_svc+0x78/0x1e0 [ 81.747173][ T5667] el0t_64_sync_handler+0xcc/0xe4 [ 81.747966][ T5667] el0t_64_sync+0x1a0/0x1a4 [ 81.762598][ T5663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.763686][ T5663] CPU: 1 PID: 5663 Comm: syz.1.45 Not tainted syzkaller #0 [ 81.764682][ T5663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.766337][ T5663] Call trace: [ 81.766881][ T5663] dump_backtrace+0x0/0x43c [ 81.767601][ T5663] show_stack+0x2c/0x3c [ 81.768329][ T5663] __dump_stack+0x30/0x40 [ 81.769054][ T5663] dump_stack_lvl+0xf8/0x160 [ 81.769802][ T5663] dump_stack+0x1c/0x5c [ 81.770491][ T5663] sysfs_create_dir_ns+0x22c/0x24c [ 81.771298][ T5663] kobject_add_internal+0x590/0xc54 [ 81.772110][ T5663] kobject_init_and_add+0x118/0x17c [ 81.772949][ T5663] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.773695][ T5663] gfs2_fill_super+0xdac/0x19e0 [ 81.774434][ T5663] get_tree_bdev+0x358/0x544 [ 81.775202][ T5663] gfs2_get_tree+0x54/0x1b4 [ 81.775959][ T5663] vfs_get_tree+0x90/0x274 [ 81.776625][ T5663] do_new_mount+0x228/0x810 [ 81.777360][ T5663] path_mount+0x5b4/0x1000 [ 81.778114][ T5663] __arm64_sys_mount+0x514/0x5e4 [ 81.778927][ T5663] invoke_syscall+0x98/0x2b8 [ 81.779691][ T5663] el0_svc_common+0x138/0x258 [ 81.780464][ T5663] do_el0_svc+0x58/0x14c [ 81.781176][ T5663] el0_svc+0x78/0x1e0 [ 81.781820][ T5663] el0t_64_sync_handler+0xcc/0xe4 [ 81.782648][ T5663] el0t_64_sync+0x1a0/0x1a4 [ 81.794095][ T5667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.796057][ T5667] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.825279][ T5663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.827236][ T5663] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.832884][ T5669] loop2: detected capacity change from 0 to 32768 [ 81.840007][ T5665] loop0: detected capacity change from 0 to 32768 [ 81.851062][ T5669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.852284][ T5669] CPU: 0 PID: 5669 Comm: syz.2.48 Not tainted syzkaller #0 [ 81.853253][ T5669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.854599][ T5669] Call trace: [ 81.855125][ T5669] dump_backtrace+0x0/0x43c [ 81.855796][ T5669] show_stack+0x2c/0x3c [ 81.856441][ T5669] __dump_stack+0x30/0x40 [ 81.857112][ T5669] dump_stack_lvl+0xf8/0x160 [ 81.857776][ T5669] dump_stack+0x1c/0x5c [ 81.858379][ T5669] sysfs_create_dir_ns+0x22c/0x24c [ 81.859166][ T5669] kobject_add_internal+0x590/0xc54 [ 81.859949][ T5669] kobject_init_and_add+0x118/0x17c [ 81.860667][ T5669] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.861340][ T5669] gfs2_fill_super+0xdac/0x19e0 [ 81.862076][ T5669] get_tree_bdev+0x358/0x544 [ 81.862798][ T5669] gfs2_get_tree+0x54/0x1b4 [ 81.863574][ T5669] vfs_get_tree+0x90/0x274 [ 81.864277][ T5669] do_new_mount+0x228/0x810 [ 81.864965][ T5669] path_mount+0x5b4/0x1000 [ 81.865667][ T5669] __arm64_sys_mount+0x514/0x5e4 [ 81.866400][ T5669] invoke_syscall+0x98/0x2b8 [ 81.867077][ T5669] el0_svc_common+0x138/0x258 [ 81.867760][ T5669] do_el0_svc+0x58/0x14c [ 81.868392][ T5669] el0_svc+0x78/0x1e0 [ 81.868960][ T5669] el0t_64_sync_handler+0xcc/0xe4 [ 81.869674][ T5669] el0t_64_sync+0x1a0/0x1a4 [ 81.883049][ T5669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.884741][ T5669] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.895340][ T5665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.896584][ T5665] CPU: 1 PID: 5665 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.897738][ T5665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.899271][ T5665] Call trace: [ 81.899779][ T5665] dump_backtrace+0x0/0x43c [ 81.900428][ T5665] show_stack+0x2c/0x3c [ 81.901043][ T5665] __dump_stack+0x30/0x40 [ 81.901681][ T5665] dump_stack_lvl+0xf8/0x160 [ 81.902389][ T5665] dump_stack+0x1c/0x5c [ 81.903022][ T5665] sysfs_create_dir_ns+0x22c/0x24c [ 81.903800][ T5665] kobject_add_internal+0x590/0xc54 [ 81.904552][ T5665] kobject_init_and_add+0x118/0x17c [ 81.905385][ T5665] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.906167][ T5665] gfs2_fill_super+0xdac/0x19e0 [ 81.906956][ T5665] get_tree_bdev+0x358/0x544 [ 81.907626][ T5665] gfs2_get_tree+0x54/0x1b4 [ 81.908319][ T5665] vfs_get_tree+0x90/0x274 [ 81.908913][ T5665] do_new_mount+0x228/0x810 [ 81.909631][ T5665] path_mount+0x5b4/0x1000 [ 81.910347][ T5665] __arm64_sys_mount+0x514/0x5e4 [ 81.911104][ T5665] invoke_syscall+0x98/0x2b8 [ 81.911854][ T5665] el0_svc_common+0x138/0x258 [ 81.912661][ T5665] do_el0_svc+0x58/0x14c [ 81.913324][ T5665] el0_svc+0x78/0x1e0 [ 81.913959][ T5665] el0t_64_sync_handler+0xcc/0xe4 [ 81.914743][ T5665] el0t_64_sync+0x1a0/0x1a4 [ 81.957181][ T5665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.959132][ T5665] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.034853][ T5667] loop4: detected capacity change from 0 to 32768 [ 82.044320][ T5667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.045611][ T5667] CPU: 1 PID: 5667 Comm: syz.4.47 Not tainted syzkaller #0 [ 82.046719][ T5667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.048284][ T5667] Call trace: [ 82.048835][ T5667] dump_backtrace+0x0/0x43c [ 82.049558][ T5667] show_stack+0x2c/0x3c [ 82.050239][ T5667] __dump_stack+0x30/0x40 [ 82.050892][ T5667] dump_stack_lvl+0xf8/0x160 [ 82.051573][ T5667] dump_stack+0x1c/0x5c [ 82.052210][ T5667] sysfs_create_dir_ns+0x22c/0x24c [ 82.053016][ T5667] kobject_add_internal+0x590/0xc54 [ 82.053799][ T5667] kobject_init_and_add+0x118/0x17c [ 82.054689][ T5667] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.055482][ T5667] gfs2_fill_super+0xdac/0x19e0 [ 82.056306][ T5667] get_tree_bdev+0x358/0x544 [ 82.057046][ T5667] gfs2_get_tree+0x54/0x1b4 [ 82.057796][ T5667] vfs_get_tree+0x90/0x274 [ 82.058495][ T5667] do_new_mount+0x228/0x810 [ 82.059218][ T5667] path_mount+0x5b4/0x1000 [ 82.059903][ T5667] __arm64_sys_mount+0x514/0x5e4 [ 82.060703][ T5667] invoke_syscall+0x98/0x2b8 [ 82.061375][ T5667] el0_svc_common+0x138/0x258 [ 82.062094][ T5667] do_el0_svc+0x58/0x14c [ 82.062735][ T5667] el0_svc+0x78/0x1e0 [ 82.063352][ T5667] el0t_64_sync_handler+0xcc/0xe4 [ 82.064167][ T5667] el0t_64_sync+0x1a0/0x1a4 [ 82.095707][ T5667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.105810][ T5667] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.128334][ T5669] loop2: detected capacity change from 0 to 32768 [ 82.140849][ T5671] loop1: detected capacity change from 0 to 32768 [ 82.165714][ T5669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.167032][ T5669] CPU: 0 PID: 5669 Comm: syz.2.48 Not tainted syzkaller #0 [ 82.167563][ T5671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.168142][ T5669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.170653][ T5669] Call trace: [ 82.171102][ T5669] dump_backtrace+0x0/0x43c [ 82.171759][ T5669] show_stack+0x2c/0x3c [ 82.172338][ T5669] __dump_stack+0x30/0x40 [ 82.172935][ T5669] dump_stack_lvl+0xf8/0x160 [ 82.173659][ T5669] dump_stack+0x1c/0x5c [ 82.174333][ T5669] sysfs_create_dir_ns+0x22c/0x24c [ 82.175104][ T5669] kobject_add_internal+0x590/0xc54 [ 82.175846][ T5669] kobject_init_and_add+0x118/0x17c [ 82.176685][ T5669] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.177438][ T5669] gfs2_fill_super+0xdac/0x19e0 [ 82.178143][ T5669] get_tree_bdev+0x358/0x544 [ 82.178823][ T5669] gfs2_get_tree+0x54/0x1b4 [ 82.179475][ T5669] vfs_get_tree+0x90/0x274 [ 82.180143][ T5669] do_new_mount+0x228/0x810 [ 82.180867][ T5669] path_mount+0x5b4/0x1000 [ 82.181596][ T5669] __arm64_sys_mount+0x514/0x5e4 [ 82.182364][ T5669] invoke_syscall+0x98/0x2b8 [ 82.183111][ T5669] el0_svc_common+0x138/0x258 [ 82.183863][ T5669] do_el0_svc+0x58/0x14c [ 82.184493][ T5669] el0_svc+0x78/0x1e0 [ 82.185120][ T5669] el0t_64_sync_handler+0xcc/0xe4 [ 82.185877][ T5669] el0t_64_sync+0x1a0/0x1a4 [ 82.186512][ T5671] CPU: 1 PID: 5671 Comm: syz.1.49 Not tainted syzkaller #0 [ 82.187575][ T5671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.188972][ T5671] Call trace: [ 82.189482][ T5671] dump_backtrace+0x0/0x43c [ 82.190153][ T5671] show_stack+0x2c/0x3c [ 82.190833][ T5671] __dump_stack+0x30/0x40 [ 82.191529][ T5671] dump_stack_lvl+0xf8/0x160 [ 82.192287][ T5671] dump_stack+0x1c/0x5c [ 82.192920][ T5671] sysfs_create_dir_ns+0x22c/0x24c [ 82.193672][ T5671] kobject_add_internal+0x590/0xc54 [ 82.194463][ T5671] kobject_init_and_add+0x118/0x17c [ 82.195272][ T5671] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.195995][ T5671] gfs2_fill_super+0xdac/0x19e0 [ 82.196808][ T5671] get_tree_bdev+0x358/0x544 [ 82.197546][ T5671] gfs2_get_tree+0x54/0x1b4 [ 82.198274][ T5671] vfs_get_tree+0x90/0x274 [ 82.199022][ T5671] do_new_mount+0x228/0x810 [ 82.199709][ T5671] path_mount+0x5b4/0x1000 [ 82.200382][ T5671] __arm64_sys_mount+0x514/0x5e4 [ 82.201231][ T5671] invoke_syscall+0x98/0x2b8 [ 82.202045][ T5671] el0_svc_common+0x138/0x258 [ 82.202824][ T5671] do_el0_svc+0x58/0x14c [ 82.203420][ T5671] el0_svc+0x78/0x1e0 [ 82.204048][ T5671] el0t_64_sync_handler+0xcc/0xe4 [ 82.204840][ T5671] el0t_64_sync+0x1a0/0x1a4 [ 82.207056][ T5669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.209081][ T5669] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.214727][ T5673] loop0: detected capacity change from 0 to 32768 [ 82.216770][ T5671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.218729][ T5671] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.257823][ T5673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.258954][ T5673] CPU: 0 PID: 5673 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.259927][ T5673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.261380][ T5673] Call trace: [ 82.261803][ T5673] dump_backtrace+0x0/0x43c [ 82.262452][ T5673] show_stack+0x2c/0x3c [ 82.263057][ T5673] __dump_stack+0x30/0x40 [ 82.263744][ T5673] dump_stack_lvl+0xf8/0x160 [ 82.264483][ T5673] dump_stack+0x1c/0x5c [ 82.265122][ T5673] sysfs_create_dir_ns+0x22c/0x24c [ 82.265895][ T5673] kobject_add_internal+0x590/0xc54 [ 82.266734][ T5673] kobject_init_and_add+0x118/0x17c [ 82.267645][ T5673] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.268461][ T5673] gfs2_fill_super+0xdac/0x19e0 [ 82.269220][ T5673] get_tree_bdev+0x358/0x544 [ 82.269888][ T5673] gfs2_get_tree+0x54/0x1b4 [ 82.270620][ T5673] vfs_get_tree+0x90/0x274 [ 82.271334][ T5673] do_new_mount+0x228/0x810 [ 82.272064][ T5673] path_mount+0x5b4/0x1000 [ 82.272821][ T5673] __arm64_sys_mount+0x514/0x5e4 [ 82.273648][ T5673] invoke_syscall+0x98/0x2b8 [ 82.274386][ T5673] el0_svc_common+0x138/0x258 [ 82.275129][ T5673] do_el0_svc+0x58/0x14c [ 82.275820][ T5673] el0_svc+0x78/0x1e0 [ 82.276412][ T5673] el0t_64_sync_handler+0xcc/0xe4 [ 82.277190][ T5673] el0t_64_sync+0x1a0/0x1a4 [ 82.307557][ T5673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.309605][ T5673] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.425062][ T5675] loop4: detected capacity change from 0 to 32768 [ 82.437332][ T5671] loop1: detected capacity change from 0 to 32768 [ 82.447254][ T5675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.448352][ T5675] CPU: 1 PID: 5675 Comm: syz.4.51 Not tainted syzkaller #0 [ 82.449510][ T5675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.451121][ T5675] Call trace: [ 82.451636][ T5675] dump_backtrace+0x0/0x43c [ 82.452329][ T5675] show_stack+0x2c/0x3c [ 82.452952][ T5675] __dump_stack+0x30/0x40 [ 82.453587][ T5675] dump_stack_lvl+0xf8/0x160 [ 82.454241][ T5675] dump_stack+0x1c/0x5c [ 82.454885][ T5675] sysfs_create_dir_ns+0x22c/0x24c [ 82.455745][ T5675] kobject_add_internal+0x590/0xc54 [ 82.456638][ T5675] kobject_init_and_add+0x118/0x17c [ 82.457465][ T5675] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.458234][ T5675] gfs2_fill_super+0xdac/0x19e0 [ 82.459012][ T5675] get_tree_bdev+0x358/0x544 [ 82.459781][ T5675] gfs2_get_tree+0x54/0x1b4 [ 82.460519][ T5675] vfs_get_tree+0x90/0x274 [ 82.461238][ T5675] do_new_mount+0x228/0x810 [ 82.461933][ T5675] path_mount+0x5b4/0x1000 [ 82.462663][ T5675] __arm64_sys_mount+0x514/0x5e4 [ 82.463466][ T5675] invoke_syscall+0x98/0x2b8 [ 82.464133][ T5675] el0_svc_common+0x138/0x258 [ 82.464839][ T5675] do_el0_svc+0x58/0x14c [ 82.465479][ T5675] el0_svc+0x78/0x1e0 [ 82.466118][ T5675] el0t_64_sync_handler+0xcc/0xe4 [ 82.466904][ T5675] el0t_64_sync+0x1a0/0x1a4 [ 82.476912][ T5677] loop2: detected capacity change from 0 to 32768 [ 82.480557][ T5675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.482607][ T5675] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.483616][ T5673] loop0: detected capacity change from 0 to 32768 [ 82.527823][ T5677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.528917][ T5677] CPU: 0 PID: 5677 Comm: syz.2.52 Not tainted syzkaller #0 [ 82.529979][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.532043][ T5677] Call trace: [ 82.532205][ T5673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.532514][ T5677] dump_backtrace+0x0/0x43c [ 82.535110][ T5677] show_stack+0x2c/0x3c [ 82.535789][ T5677] __dump_stack+0x30/0x40 [ 82.536479][ T5677] dump_stack_lvl+0xf8/0x160 [ 82.537206][ T5677] dump_stack+0x1c/0x5c [ 82.537822][ T5677] sysfs_create_dir_ns+0x22c/0x24c [ 82.538507][ T5677] kobject_add_internal+0x590/0xc54 [ 82.539256][ T5677] kobject_init_and_add+0x118/0x17c [ 82.540018][ T5677] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.540755][ T5677] gfs2_fill_super+0xdac/0x19e0 [ 82.541550][ T5677] get_tree_bdev+0x358/0x544 [ 82.542198][ T5677] gfs2_get_tree+0x54/0x1b4 [ 82.542895][ T5677] vfs_get_tree+0x90/0x274 [ 82.543570][ T5677] do_new_mount+0x228/0x810 [ 82.544337][ T5677] path_mount+0x5b4/0x1000 [ 82.544992][ T5677] __arm64_sys_mount+0x514/0x5e4 [ 82.545809][ T5677] invoke_syscall+0x98/0x2b8 [ 82.546544][ T5677] el0_svc_common+0x138/0x258 [ 82.547263][ T5677] do_el0_svc+0x58/0x14c [ 82.547972][ T5677] el0_svc+0x78/0x1e0 [ 82.548568][ T5677] el0t_64_sync_handler+0xcc/0xe4 [ 82.549378][ T5677] el0t_64_sync+0x1a0/0x1a4 [ 82.550085][ T5673] CPU: 1 PID: 5673 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.551133][ T5673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.552500][ T5673] Call trace: [ 82.552922][ T5677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.552983][ T5673] dump_backtrace+0x0/0x43c [ 82.554910][ T5677] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.555532][ T5673] show_stack+0x2c/0x3c [ 82.557111][ T5673] __dump_stack+0x30/0x40 [ 82.557770][ T5673] dump_stack_lvl+0xf8/0x160 [ 82.558433][ T5673] dump_stack+0x1c/0x5c [ 82.559026][ T5673] sysfs_create_dir_ns+0x22c/0x24c [ 82.559758][ T5673] kobject_add_internal+0x590/0xc54 [ 82.560483][ T5673] kobject_init_and_add+0x118/0x17c [ 82.561262][ T5673] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.561966][ T5673] gfs2_fill_super+0xdac/0x19e0 [ 82.562765][ T5673] get_tree_bdev+0x358/0x544 [ 82.563468][ T5673] gfs2_get_tree+0x54/0x1b4 [ 82.564134][ T5673] vfs_get_tree+0x90/0x274 [ 82.564869][ T5673] do_new_mount+0x228/0x810 [ 82.565622][ T5673] path_mount+0x5b4/0x1000 [ 82.566309][ T5673] __arm64_sys_mount+0x514/0x5e4 [ 82.567155][ T5673] invoke_syscall+0x98/0x2b8 [ 82.567868][ T5673] el0_svc_common+0x138/0x258 [ 82.568598][ T5673] do_el0_svc+0x58/0x14c [ 82.569262][ T5673] el0_svc+0x78/0x1e0 [ 82.569984][ T5673] el0t_64_sync_handler+0xcc/0xe4 [ 82.570737][ T5673] el0t_64_sync+0x1a0/0x1a4 [ 82.573157][ T5673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.575173][ T5671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.576330][ T5671] CPU: 1 PID: 5671 Comm: syz.1.49 Not tainted syzkaller #0 [ 82.577477][ T5671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.579016][ T5671] Call trace: [ 82.579031][ T5673] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.579498][ T5671] dump_backtrace+0x0/0x43c [ 82.581220][ T5671] show_stack+0x2c/0x3c [ 82.581838][ T5671] __dump_stack+0x30/0x40 [ 82.582480][ T5671] dump_stack_lvl+0xf8/0x160 [ 82.583129][ T5671] dump_stack+0x1c/0x5c [ 82.583762][ T5671] sysfs_create_dir_ns+0x22c/0x24c [ 82.584580][ T5671] kobject_add_internal+0x590/0xc54 [ 82.585395][ T5671] kobject_init_and_add+0x118/0x17c [ 82.586172][ T5671] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.586896][ T5671] gfs2_fill_super+0xdac/0x19e0 [ 82.587631][ T5671] get_tree_bdev+0x358/0x544 [ 82.588348][ T5671] gfs2_get_tree+0x54/0x1b4 [ 82.589013][ T5671] vfs_get_tree+0x90/0x274 [ 82.589634][ T5671] do_new_mount+0x228/0x810 [ 82.590378][ T5671] path_mount+0x5b4/0x1000 [ 82.591080][ T5671] __arm64_sys_mount+0x514/0x5e4 [ 82.591866][ T5671] invoke_syscall+0x98/0x2b8 [ 82.592598][ T5671] el0_svc_common+0x138/0x258 [ 82.593337][ T5671] do_el0_svc+0x58/0x14c [ 82.594083][ T5671] el0_svc+0x78/0x1e0 [ 82.594772][ T5671] el0t_64_sync_handler+0xcc/0xe4 [ 82.595575][ T5671] el0t_64_sync+0x1a0/0x1a4 [ 82.597032][ T5671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.599079][ T5671] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.828404][ T5677] loop2: detected capacity change from 0 to 32768 [ 82.854242][ T5675] loop4: detected capacity change from 0 to 32768 [ 82.867554][ T5677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.868777][ T5677] CPU: 0 PID: 5677 Comm: syz.2.52 Not tainted syzkaller #0 [ 82.869741][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.871191][ T5677] Call trace: [ 82.871664][ T5677] dump_backtrace+0x0/0x43c [ 82.872286][ T5677] show_stack+0x2c/0x3c [ 82.872841][ T5677] __dump_stack+0x30/0x40 [ 82.873465][ T5677] dump_stack_lvl+0xf8/0x160 [ 82.874166][ T5677] dump_stack+0x1c/0x5c [ 82.874841][ T5677] sysfs_create_dir_ns+0x22c/0x24c [ 82.875606][ T5677] kobject_add_internal+0x590/0xc54 [ 82.876358][ T5677] kobject_init_and_add+0x118/0x17c [ 82.877092][ T5677] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.877738][ T5677] gfs2_fill_super+0xdac/0x19e0 [ 82.878488][ T5677] get_tree_bdev+0x358/0x544 [ 82.879188][ T5677] gfs2_get_tree+0x54/0x1b4 [ 82.879833][ T5677] vfs_get_tree+0x90/0x274 [ 82.880600][ T5677] do_new_mount+0x228/0x810 [ 82.881320][ T5677] path_mount+0x5b4/0x1000 [ 82.882036][ T5677] __arm64_sys_mount+0x514/0x5e4 [ 82.882749][ T5677] invoke_syscall+0x98/0x2b8 [ 82.883442][ T5677] el0_svc_common+0x138/0x258 [ 82.884120][ T5677] do_el0_svc+0x58/0x14c [ 82.884742][ T5677] el0_svc+0x78/0x1e0 [ 82.885342][ T5677] el0t_64_sync_handler+0xcc/0xe4 [ 82.886080][ T5677] el0t_64_sync+0x1a0/0x1a4 [ 82.897448][ T5675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.898542][ T5675] CPU: 1 PID: 5675 Comm: syz.4.51 Not tainted syzkaller #0 [ 82.899620][ T5675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.900992][ T5675] Call trace: [ 82.901452][ T5675] dump_backtrace+0x0/0x43c [ 82.902137][ T5675] show_stack+0x2c/0x3c [ 82.902792][ T5675] __dump_stack+0x30/0x40 [ 82.903443][ T5675] dump_stack_lvl+0xf8/0x160 [ 82.904160][ T5675] dump_stack+0x1c/0x5c [ 82.904813][ T5675] sysfs_create_dir_ns+0x22c/0x24c [ 82.904837][ T5682] loop0: detected capacity change from 0 to 32768 [ 82.905583][ T5675] kobject_add_internal+0x590/0xc54 [ 82.906730][ T5677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.908155][ T5675] kobject_init_and_add+0x118/0x17c [ 82.908177][ T5675] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.908186][ T5675] gfs2_fill_super+0xdac/0x19e0 [ 82.908192][ T5675] get_tree_bdev+0x358/0x544 [ 82.908198][ T5675] gfs2_get_tree+0x54/0x1b4 [ 82.908202][ T5675] vfs_get_tree+0x90/0x274 [ 82.908206][ T5675] do_new_mount+0x228/0x810 [ 82.908211][ T5675] path_mount+0x5b4/0x1000 [ 82.908215][ T5675] __arm64_sys_mount+0x514/0x5e4 [ 82.908219][ T5675] invoke_syscall+0x98/0x2b8 [ 82.908226][ T5675] el0_svc_common+0x138/0x258 [ 82.908231][ T5675] do_el0_svc+0x58/0x14c [ 82.908235][ T5675] el0_svc+0x78/0x1e0 [ 82.910156][ T5677] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.910836][ T5675] el0t_64_sync_handler+0xcc/0xe4 [ 82.920446][ T5675] el0t_64_sync+0x1a0/0x1a4 [ 82.941984][ T5680] loop1: detected capacity change from 0 to 32768 [ 82.943332][ T5675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.945227][ T5675] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.973770][ T5682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.974864][ T5682] CPU: 0 PID: 5682 Comm: syz.0.54 Not tainted syzkaller #0 [ 82.975989][ T5682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.977597][ T5682] Call trace: [ 82.978121][ T5682] dump_backtrace+0x0/0x43c [ 82.978848][ T5682] show_stack+0x2c/0x3c [ 82.979429][ T5682] __dump_stack+0x30/0x40 [ 82.980106][ T5682] dump_stack_lvl+0xf8/0x160 [ 82.980856][ T5682] dump_stack+0x1c/0x5c [ 82.981507][ T5682] sysfs_create_dir_ns+0x22c/0x24c [ 82.982324][ T5682] kobject_add_internal+0x590/0xc54 [ 82.983184][ T5682] kobject_init_and_add+0x118/0x17c [ 82.984055][ T5682] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.984826][ T5682] gfs2_fill_super+0xdac/0x19e0 [ 82.985568][ T5682] get_tree_bdev+0x358/0x544 [ 82.986327][ T5682] gfs2_get_tree+0x54/0x1b4 [ 82.987079][ T5682] vfs_get_tree+0x90/0x274 [ 82.987831][ T5682] do_new_mount+0x228/0x810 [ 82.988527][ T5682] path_mount+0x5b4/0x1000 [ 82.989254][ T5682] __arm64_sys_mount+0x514/0x5e4 [ 82.990035][ T5682] invoke_syscall+0x98/0x2b8 [ 82.990767][ T5682] el0_svc_common+0x138/0x258 [ 82.991496][ T5682] do_el0_svc+0x58/0x14c [ 82.992103][ T5682] el0_svc+0x78/0x1e0 [ 82.992655][ T5682] el0t_64_sync_handler+0xcc/0xe4 [ 82.993427][ T5682] el0t_64_sync+0x1a0/0x1a4 [ 82.999468][ T5680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.000465][ T5680] CPU: 0 PID: 5680 Comm: syz.1.53 Not tainted syzkaller #0 [ 83.001481][ T5680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.002805][ T5680] Call trace: [ 83.003303][ T5680] dump_backtrace+0x0/0x43c [ 83.003985][ T5680] show_stack+0x2c/0x3c [ 83.004614][ T5680] __dump_stack+0x30/0x40 [ 83.005284][ T5680] dump_stack_lvl+0xf8/0x160 [ 83.005954][ T5680] dump_stack+0x1c/0x5c [ 83.006624][ T5680] sysfs_create_dir_ns+0x22c/0x24c [ 83.007492][ T5680] kobject_add_internal+0x590/0xc54 [ 83.008283][ T5680] kobject_init_and_add+0x118/0x17c [ 83.009114][ T5680] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.009861][ T5680] gfs2_fill_super+0xdac/0x19e0 [ 83.010645][ T5680] get_tree_bdev+0x358/0x544 [ 83.011367][ T5680] gfs2_get_tree+0x54/0x1b4 [ 83.012051][ T5680] vfs_get_tree+0x90/0x274 [ 83.012741][ T5680] do_new_mount+0x228/0x810 [ 83.013395][ T5680] path_mount+0x5b4/0x1000 [ 83.014039][ T5680] __arm64_sys_mount+0x514/0x5e4 [ 83.014785][ T5680] invoke_syscall+0x98/0x2b8 [ 83.015441][ T5680] el0_svc_common+0x138/0x258 [ 83.016156][ T5680] do_el0_svc+0x58/0x14c [ 83.016794][ T5680] el0_svc+0x78/0x1e0 [ 83.017420][ T5680] el0t_64_sync_handler+0xcc/0xe4 [ 83.018186][ T5680] el0t_64_sync+0x1a0/0x1a4 [ 83.037070][ T5682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.038998][ T5682] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.057190][ T5680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.059174][ T5680] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.183782][ T5684] loop2: detected capacity change from 0 to 32768 [ 83.207767][ T5684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.208915][ T5684] CPU: 0 PID: 5684 Comm: syz.2.55 Not tainted syzkaller #0 [ 83.209997][ T5684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.211509][ T5684] Call trace: [ 83.212009][ T5684] dump_backtrace+0x0/0x43c [ 83.212729][ T5684] show_stack+0x2c/0x3c [ 83.213364][ T5684] __dump_stack+0x30/0x40 [ 83.214024][ T5684] dump_stack_lvl+0xf8/0x160 [ 83.214673][ T5684] dump_stack+0x1c/0x5c [ 83.215217][ T5684] sysfs_create_dir_ns+0x22c/0x24c [ 83.215984][ T5684] kobject_add_internal+0x590/0xc54 [ 83.216835][ T5684] kobject_init_and_add+0x118/0x17c [ 83.217663][ T5684] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.218394][ T5684] gfs2_fill_super+0xdac/0x19e0 [ 83.219096][ T5684] get_tree_bdev+0x358/0x544 [ 83.219743][ T5684] gfs2_get_tree+0x54/0x1b4 [ 83.220372][ T5684] vfs_get_tree+0x90/0x274 [ 83.221052][ T5684] do_new_mount+0x228/0x810 [ 83.221735][ T5684] path_mount+0x5b4/0x1000 [ 83.222398][ T5684] __arm64_sys_mount+0x514/0x5e4 [ 83.223094][ T5684] invoke_syscall+0x98/0x2b8 [ 83.223746][ T5684] el0_svc_common+0x138/0x258 [ 83.224385][ T5684] do_el0_svc+0x58/0x14c [ 83.224945][ T5684] el0_svc+0x78/0x1e0 [ 83.225481][ T5684] el0t_64_sync_handler+0xcc/0xe4 [ 83.226187][ T5684] el0t_64_sync+0x1a0/0x1a4 [ 83.235323][ T5686] loop4: detected capacity change from 0 to 32768 [ 83.244440][ T5682] loop0: detected capacity change from 0 to 32768 [ 83.245874][ T5684] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.248047][ T5682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.249052][ T5682] CPU: 0 PID: 5682 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.250165][ T5682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.251830][ T5682] Call trace: [ 83.252371][ T5682] dump_backtrace+0x0/0x43c [ 83.253071][ T5682] show_stack+0x2c/0x3c [ 83.253701][ T5682] __dump_stack+0x30/0x40 [ 83.254402][ T5682] dump_stack_lvl+0xf8/0x160 [ 83.255172][ T5682] dump_stack+0x1c/0x5c [ 83.255826][ T5682] sysfs_create_dir_ns+0x22c/0x24c [ 83.256645][ T5682] kobject_add_internal+0x590/0xc54 [ 83.257514][ T5682] kobject_init_and_add+0x118/0x17c [ 83.258366][ T5682] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.259075][ T5682] gfs2_fill_super+0xdac/0x19e0 [ 83.259750][ T5682] get_tree_bdev+0x358/0x544 [ 83.260500][ T5682] gfs2_get_tree+0x54/0x1b4 [ 83.261244][ T5682] vfs_get_tree+0x90/0x274 [ 83.261985][ T5682] do_new_mount+0x228/0x810 [ 83.262670][ T5682] path_mount+0x5b4/0x1000 [ 83.263335][ T5682] __arm64_sys_mount+0x514/0x5e4 [ 83.264047][ T5682] invoke_syscall+0x98/0x2b8 [ 83.264777][ T5682] el0_svc_common+0x138/0x258 [ 83.265474][ T5682] do_el0_svc+0x58/0x14c [ 83.266115][ T5682] el0_svc+0x78/0x1e0 [ 83.266684][ T5682] el0t_64_sync_handler+0xcc/0xe4 [ 83.267429][ T5682] el0t_64_sync+0x1a0/0x1a4 [ 83.268240][ T5684] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.269985][ T5682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.271946][ T5682] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.280420][ T5686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.281576][ T5686] CPU: 1 PID: 5686 Comm: syz.4.56 Not tainted syzkaller #0 [ 83.282705][ T5686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.284183][ T5686] Call trace: [ 83.284734][ T5686] dump_backtrace+0x0/0x43c [ 83.285434][ T5686] show_stack+0x2c/0x3c [ 83.286048][ T5686] __dump_stack+0x30/0x40 [ 83.286760][ T5686] dump_stack_lvl+0xf8/0x160 [ 83.287512][ T5686] dump_stack+0x1c/0x5c [ 83.288134][ T5686] sysfs_create_dir_ns+0x22c/0x24c [ 83.288939][ T5686] kobject_add_internal+0x590/0xc54 [ 83.289785][ T5686] kobject_init_and_add+0x118/0x17c [ 83.290675][ T5686] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.291444][ T5686] gfs2_fill_super+0xdac/0x19e0 [ 83.292220][ T5686] get_tree_bdev+0x358/0x544 [ 83.292914][ T5686] gfs2_get_tree+0x54/0x1b4 [ 83.293588][ T5686] vfs_get_tree+0x90/0x274 [ 83.294266][ T5686] do_new_mount+0x228/0x810 [ 83.295007][ T5686] path_mount+0x5b4/0x1000 [ 83.295763][ T5686] __arm64_sys_mount+0x514/0x5e4 [ 83.296512][ T5686] invoke_syscall+0x98/0x2b8 [ 83.297222][ T5686] el0_svc_common+0x138/0x258 [ 83.297957][ T5686] do_el0_svc+0x58/0x14c [ 83.298684][ T5686] el0_svc+0x78/0x1e0 [ 83.299367][ T5686] el0t_64_sync_handler+0xcc/0xe4 [ 83.300189][ T5686] el0t_64_sync+0x1a0/0x1a4 [ 83.321474][ T5686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.323487][ T5686] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.397822][ T5680] loop1: detected capacity change from 0 to 32768 [ 83.468735][ T5684] loop2: detected capacity change from 0 to 32768 [ 83.471486][ T5680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.472693][ T5680] CPU: 1 PID: 5680 Comm: syz.1.53 Not tainted syzkaller #0 [ 83.473891][ T5680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.475424][ T5680] Call trace: [ 83.475880][ T5680] dump_backtrace+0x0/0x43c [ 83.476553][ T5680] show_stack+0x2c/0x3c [ 83.477214][ T5680] __dump_stack+0x30/0x40 [ 83.477893][ T5680] dump_stack_lvl+0xf8/0x160 [ 83.478622][ T5680] dump_stack+0x1c/0x5c [ 83.479241][ T5680] sysfs_create_dir_ns+0x22c/0x24c [ 83.480003][ T5680] kobject_add_internal+0x590/0xc54 [ 83.480848][ T5680] kobject_init_and_add+0x118/0x17c [ 83.481617][ T5680] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.482341][ T5680] gfs2_fill_super+0xdac/0x19e0 [ 83.483106][ T5680] get_tree_bdev+0x358/0x544 [ 83.483795][ T5680] gfs2_get_tree+0x54/0x1b4 [ 83.484537][ T5680] vfs_get_tree+0x90/0x274 [ 83.485316][ T5680] do_new_mount+0x228/0x810 [ 83.486017][ T5680] path_mount+0x5b4/0x1000 [ 83.486663][ T5680] __arm64_sys_mount+0x514/0x5e4 [ 83.487456][ T5680] invoke_syscall+0x98/0x2b8 [ 83.488185][ T5680] el0_svc_common+0x138/0x258 [ 83.488946][ T5680] do_el0_svc+0x58/0x14c [ 83.489611][ T5680] el0_svc+0x78/0x1e0 [ 83.490225][ T5680] el0t_64_sync_handler+0xcc/0xe4 [ 83.490882][ T5680] el0t_64_sync+0x1a0/0x1a4 [ 83.493171][ T5686] loop4: detected capacity change from 0 to 32768 [ 83.497787][ T5680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.499675][ T5680] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.520282][ T5684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.521387][ T5684] CPU: 1 PID: 5684 Comm: syz.2.55 Not tainted syzkaller #0 [ 83.522422][ T5684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.523865][ T5684] Call trace: [ 83.524341][ T5684] dump_backtrace+0x0/0x43c [ 83.524986][ T5684] show_stack+0x2c/0x3c [ 83.525607][ T5684] __dump_stack+0x30/0x40 [ 83.526215][ T5684] dump_stack_lvl+0xf8/0x160 [ 83.526930][ T5684] dump_stack+0x1c/0x5c [ 83.527489][ T5684] sysfs_create_dir_ns+0x22c/0x24c [ 83.528315][ T5684] kobject_add_internal+0x590/0xc54 [ 83.529149][ T5684] kobject_init_and_add+0x118/0x17c [ 83.529933][ T5684] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.530700][ T5684] gfs2_fill_super+0xdac/0x19e0 [ 83.531473][ T5684] get_tree_bdev+0x358/0x544 [ 83.532198][ T5684] gfs2_get_tree+0x54/0x1b4 [ 83.532932][ T5684] vfs_get_tree+0x90/0x274 [ 83.533691][ T5684] do_new_mount+0x228/0x810 [ 83.534412][ T5684] path_mount+0x5b4/0x1000 [ 83.535142][ T5684] __arm64_sys_mount+0x514/0x5e4 [ 83.535855][ T5684] invoke_syscall+0x98/0x2b8 [ 83.536547][ T5684] el0_svc_common+0x138/0x258 [ 83.537268][ T5684] do_el0_svc+0x58/0x14c [ 83.537896][ T5684] el0_svc+0x78/0x1e0 [ 83.538511][ T5684] el0t_64_sync_handler+0xcc/0xe4 [ 83.539271][ T5684] el0t_64_sync+0x1a0/0x1a4 [ 83.540384][ T5686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.541513][ T5686] CPU: 0 PID: 5686 Comm: syz.4.56 Not tainted syzkaller #0 [ 83.542501][ T5686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.544075][ T5686] Call trace: [ 83.544588][ T5686] dump_backtrace+0x0/0x43c [ 83.545266][ T5686] show_stack+0x2c/0x3c [ 83.545817][ T5686] __dump_stack+0x30/0x40 [ 83.546435][ T5686] dump_stack_lvl+0xf8/0x160 [ 83.547077][ T5686] dump_stack+0x1c/0x5c [ 83.547656][ T5686] sysfs_create_dir_ns+0x22c/0x24c [ 83.548393][ T5686] kobject_add_internal+0x590/0xc54 [ 83.549244][ T5686] kobject_init_and_add+0x118/0x17c [ 83.550023][ T5686] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.550820][ T5686] gfs2_fill_super+0xdac/0x19e0 [ 83.551578][ T5686] get_tree_bdev+0x358/0x544 [ 83.552227][ T5686] gfs2_get_tree+0x54/0x1b4 [ 83.552891][ T5686] vfs_get_tree+0x90/0x274 [ 83.553543][ T5686] do_new_mount+0x228/0x810 [ 83.554258][ T5686] path_mount+0x5b4/0x1000 [ 83.554982][ T5686] __arm64_sys_mount+0x514/0x5e4 [ 83.555737][ T5686] invoke_syscall+0x98/0x2b8 [ 83.556228][ T5684] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.556502][ T5686] el0_svc_common+0x138/0x258 [ 83.558570][ T5684] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.559275][ T5686] do_el0_svc+0x58/0x14c [ 83.560909][ T5686] el0_svc+0x78/0x1e0 [ 83.561498][ T5686] el0t_64_sync_handler+0xcc/0xe4 [ 83.562321][ T5686] el0t_64_sync+0x1a0/0x1a4 [ 83.588965][ T5686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.590963][ T5686] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.617342][ T5688] loop0: detected capacity change from 0 to 32768 [ 83.669449][ T5688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.670692][ T5688] CPU: 1 PID: 5688 Comm: syz.0.57 Not tainted syzkaller #0 [ 83.671667][ T5688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.673278][ T5688] Call trace: [ 83.673756][ T5688] dump_backtrace+0x0/0x43c [ 83.674405][ T5688] show_stack+0x2c/0x3c [ 83.675061][ T5688] __dump_stack+0x30/0x40 [ 83.675770][ T5688] dump_stack_lvl+0xf8/0x160 [ 83.676490][ T5688] dump_stack+0x1c/0x5c [ 83.677138][ T5688] sysfs_create_dir_ns+0x22c/0x24c [ 83.677948][ T5688] kobject_add_internal+0x590/0xc54 [ 83.678773][ T5688] kobject_init_and_add+0x118/0x17c [ 83.679555][ T5688] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.680253][ T5688] gfs2_fill_super+0xdac/0x19e0 [ 83.680982][ T5688] get_tree_bdev+0x358/0x544 [ 83.681678][ T5688] gfs2_get_tree+0x54/0x1b4 [ 83.682394][ T5688] vfs_get_tree+0x90/0x274 [ 83.683059][ T5688] do_new_mount+0x228/0x810 [ 83.683710][ T5688] path_mount+0x5b4/0x1000 [ 83.684384][ T5688] __arm64_sys_mount+0x514/0x5e4 [ 83.685115][ T5688] invoke_syscall+0x98/0x2b8 [ 83.685847][ T5688] el0_svc_common+0x138/0x258 [ 83.686564][ T5688] do_el0_svc+0x58/0x14c [ 83.687271][ T5688] el0_svc+0x78/0x1e0 [ 83.687909][ T5688] el0t_64_sync_handler+0xcc/0xe4 [ 83.688700][ T5688] el0t_64_sync+0x1a0/0x1a4 [ 83.727157][ T5688] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.729403][ T5688] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.824594][ T5690] loop4: detected capacity change from 0 to 32768 [ 83.833133][ T5692] loop1: detected capacity change from 0 to 32768 [ 83.834438][ T5690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.835545][ T5690] CPU: 0 PID: 5690 Comm: syz.4.58 Not tainted syzkaller #0 [ 83.836679][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.838357][ T5690] Call trace: [ 83.838886][ T5690] dump_backtrace+0x0/0x43c [ 83.839624][ T5690] show_stack+0x2c/0x3c [ 83.840357][ T5690] __dump_stack+0x30/0x40 [ 83.841031][ T5690] dump_stack_lvl+0xf8/0x160 [ 83.841736][ T5690] dump_stack+0x1c/0x5c [ 83.842420][ T5690] sysfs_create_dir_ns+0x22c/0x24c [ 83.843176][ T5690] kobject_add_internal+0x590/0xc54 [ 83.843960][ T5690] kobject_init_and_add+0x118/0x17c [ 83.844766][ T5690] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.845458][ T5690] gfs2_fill_super+0xdac/0x19e0 [ 83.846150][ T5690] get_tree_bdev+0x358/0x544 [ 83.846820][ T5690] gfs2_get_tree+0x54/0x1b4 [ 83.847532][ T5690] vfs_get_tree+0x90/0x274 [ 83.848189][ T5690] do_new_mount+0x228/0x810 [ 83.848889][ T5690] path_mount+0x5b4/0x1000 [ 83.849633][ T5690] __arm64_sys_mount+0x514/0x5e4 [ 83.850425][ T5690] invoke_syscall+0x98/0x2b8 [ 83.851186][ T5690] el0_svc_common+0x138/0x258 [ 83.851951][ T5690] do_el0_svc+0x58/0x14c [ 83.852673][ T5690] el0_svc+0x78/0x1e0 [ 83.853290][ T5690] el0t_64_sync_handler+0xcc/0xe4 [ 83.854027][ T5690] el0t_64_sync+0x1a0/0x1a4 [ 83.868889][ T5692] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.870090][ T5692] CPU: 0 PID: 5692 Comm: syz.1.59 Not tainted syzkaller #0 [ 83.871150][ T5692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.872514][ T5692] Call trace: [ 83.873000][ T5692] dump_backtrace+0x0/0x43c [ 83.873667][ T5692] show_stack+0x2c/0x3c [ 83.874311][ T5692] __dump_stack+0x30/0x40 [ 83.874978][ T5692] dump_stack_lvl+0xf8/0x160 [ 83.875646][ T5692] dump_stack+0x1c/0x5c [ 83.876262][ T5692] sysfs_create_dir_ns+0x22c/0x24c [ 83.877138][ T5692] kobject_add_internal+0x590/0xc54 [ 83.877985][ T5692] kobject_init_and_add+0x118/0x17c [ 83.878811][ T5692] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.879543][ T5692] gfs2_fill_super+0xdac/0x19e0 [ 83.880347][ T5692] get_tree_bdev+0x358/0x544 [ 83.881068][ T5692] gfs2_get_tree+0x54/0x1b4 [ 83.881823][ T5692] vfs_get_tree+0x90/0x274 [ 83.882575][ T5692] do_new_mount+0x228/0x810 [ 83.883271][ T5692] path_mount+0x5b4/0x1000 [ 83.883986][ T5692] __arm64_sys_mount+0x514/0x5e4 [ 83.884781][ T5692] invoke_syscall+0x98/0x2b8 [ 83.885447][ T5692] el0_svc_common+0x138/0x258 [ 83.886165][ T5692] do_el0_svc+0x58/0x14c [ 83.886861][ T5692] el0_svc+0x78/0x1e0 [ 83.887479][ T5692] el0t_64_sync_handler+0xcc/0xe4 [ 83.888342][ T5692] el0t_64_sync+0x1a0/0x1a4 [ 83.898670][ T5690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.900607][ T5690] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.917136][ T5692] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.919449][ T5692] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.942414][ T5694] loop2: detected capacity change from 0 to 32768 [ 83.949781][ T5688] loop0: detected capacity change from 0 to 32768 [ 84.004766][ T5694] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.004795][ T5688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.005871][ T5694] CPU: 0 PID: 5694 Comm: syz.2.60 Not tainted syzkaller #0 [ 84.007893][ T5694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.009353][ T5694] Call trace: [ 84.009796][ T5694] dump_backtrace+0x0/0x43c [ 84.010410][ T5694] show_stack+0x2c/0x3c [ 84.011018][ T5694] __dump_stack+0x30/0x40 [ 84.011710][ T5694] dump_stack_lvl+0xf8/0x160 [ 84.012478][ T5694] dump_stack+0x1c/0x5c [ 84.013125][ T5694] sysfs_create_dir_ns+0x22c/0x24c [ 84.013921][ T5694] kobject_add_internal+0x590/0xc54 [ 84.014749][ T5694] kobject_init_and_add+0x118/0x17c [ 84.015500][ T5694] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.016219][ T5694] gfs2_fill_super+0xdac/0x19e0 [ 84.017073][ T5694] get_tree_bdev+0x358/0x544 [ 84.017826][ T5694] gfs2_get_tree+0x54/0x1b4 [ 84.018592][ T5694] vfs_get_tree+0x90/0x274 [ 84.019319][ T5694] do_new_mount+0x228/0x810 [ 84.020016][ T5694] path_mount+0x5b4/0x1000 [ 84.020731][ T5694] __arm64_sys_mount+0x514/0x5e4 [ 84.021556][ T5694] invoke_syscall+0x98/0x2b8 [ 84.022311][ T5694] el0_svc_common+0x138/0x258 [ 84.023017][ T5694] do_el0_svc+0x58/0x14c [ 84.023679][ T5694] el0_svc+0x78/0x1e0 [ 84.024318][ T5694] el0t_64_sync_handler+0xcc/0xe4 [ 84.025144][ T5694] el0t_64_sync+0x1a0/0x1a4 [ 84.036931][ T5688] CPU: 1 PID: 5688 Comm: syz.0.57 Not tainted syzkaller #0 [ 84.038098][ T5688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.039785][ T5688] Call trace: [ 84.040314][ T5688] dump_backtrace+0x0/0x43c [ 84.040994][ T5688] show_stack+0x2c/0x3c [ 84.041750][ T5688] __dump_stack+0x30/0x40 [ 84.042517][ T5688] dump_stack_lvl+0xf8/0x160 [ 84.043268][ T5688] dump_stack+0x1c/0x5c [ 84.043926][ T5688] sysfs_create_dir_ns+0x22c/0x24c [ 84.044815][ T5688] kobject_add_internal+0x590/0xc54 [ 84.045679][ T5688] kobject_init_and_add+0x118/0x17c [ 84.046503][ T5688] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.047316][ T5688] gfs2_fill_super+0xdac/0x19e0 [ 84.048118][ T5688] get_tree_bdev+0x358/0x544 [ 84.048902][ T5688] gfs2_get_tree+0x54/0x1b4 [ 84.049691][ T5688] vfs_get_tree+0x90/0x274 [ 84.050410][ T5688] do_new_mount+0x228/0x810 [ 84.051136][ T5688] path_mount+0x5b4/0x1000 [ 84.051816][ T5688] __arm64_sys_mount+0x514/0x5e4 [ 84.052566][ T5688] invoke_syscall+0x98/0x2b8 [ 84.053260][ T5688] el0_svc_common+0x138/0x258 [ 84.054080][ T5688] do_el0_svc+0x58/0x14c [ 84.054785][ T5688] el0_svc+0x78/0x1e0 [ 84.055430][ T5688] el0t_64_sync_handler+0xcc/0xe4 [ 84.056318][ T5688] el0t_64_sync+0x1a0/0x1a4 [ 84.060861][ T5694] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.062695][ T5694] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.091013][ T5690] loop4: detected capacity change from 0 to 32768 [ 84.092274][ T5688] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.094251][ T5688] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.119078][ T5692] loop1: detected capacity change from 0 to 32768 [ 84.132985][ T5690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.134149][ T5690] CPU: 1 PID: 5690 Comm: syz.4.58 Not tainted syzkaller #0 [ 84.135316][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.136789][ T5690] Call trace: [ 84.137302][ T5690] dump_backtrace+0x0/0x43c [ 84.138048][ T5690] show_stack+0x2c/0x3c [ 84.138668][ T5690] __dump_stack+0x30/0x40 [ 84.139332][ T5690] dump_stack_lvl+0xf8/0x160 [ 84.140136][ T5690] dump_stack+0x1c/0x5c [ 84.140776][ T5690] sysfs_create_dir_ns+0x22c/0x24c [ 84.141540][ T5690] kobject_add_internal+0x590/0xc54 [ 84.142381][ T5690] kobject_init_and_add+0x118/0x17c [ 84.143219][ T5690] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.144013][ T5690] gfs2_fill_super+0xdac/0x19e0 [ 84.144786][ T5690] get_tree_bdev+0x358/0x544 [ 84.145509][ T5690] gfs2_get_tree+0x54/0x1b4 [ 84.146195][ T5690] vfs_get_tree+0x90/0x274 [ 84.146895][ T5690] do_new_mount+0x228/0x810 [ 84.147610][ T5690] path_mount+0x5b4/0x1000 [ 84.148307][ T5690] __arm64_sys_mount+0x514/0x5e4 [ 84.149114][ T5690] invoke_syscall+0x98/0x2b8 [ 84.149784][ T5690] el0_svc_common+0x138/0x258 [ 84.150522][ T5690] do_el0_svc+0x58/0x14c [ 84.151171][ T5690] el0_svc+0x78/0x1e0 [ 84.151800][ T5690] el0t_64_sync_handler+0xcc/0xe4 [ 84.152613][ T5690] el0t_64_sync+0x1a0/0x1a4 [ 84.161754][ T5692] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.162788][ T5692] CPU: 0 PID: 5692 Comm: syz.1.59 Not tainted syzkaller #0 [ 84.163885][ T5692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.165285][ T5692] Call trace: [ 84.165699][ T5692] dump_backtrace+0x0/0x43c [ 84.166328][ T5692] show_stack+0x2c/0x3c [ 84.166962][ T5692] __dump_stack+0x30/0x40 [ 84.167646][ T5692] dump_stack_lvl+0xf8/0x160 [ 84.168332][ T5692] dump_stack+0x1c/0x5c [ 84.168956][ T5692] sysfs_create_dir_ns+0x22c/0x24c [ 84.169829][ T5692] kobject_add_internal+0x590/0xc54 [ 84.170699][ T5692] kobject_init_and_add+0x118/0x17c [ 84.171550][ T5692] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.172346][ T5692] gfs2_fill_super+0xdac/0x19e0 [ 84.173119][ T5692] get_tree_bdev+0x358/0x544 [ 84.173915][ T5692] gfs2_get_tree+0x54/0x1b4 [ 84.174652][ T5692] vfs_get_tree+0x90/0x274 [ 84.175381][ T5692] do_new_mount+0x228/0x810 [ 84.176095][ T5692] path_mount+0x5b4/0x1000 [ 84.176775][ T5692] __arm64_sys_mount+0x514/0x5e4 [ 84.177554][ T5692] invoke_syscall+0x98/0x2b8 [ 84.178264][ T5692] el0_svc_common+0x138/0x258 [ 84.179039][ T5692] do_el0_svc+0x58/0x14c [ 84.179737][ T5692] el0_svc+0x78/0x1e0 [ 84.180327][ T5692] el0t_64_sync_handler+0xcc/0xe4 [ 84.181103][ T5692] el0t_64_sync+0x1a0/0x1a4 [ 84.184742][ T5690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.186534][ T5690] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.215433][ T5692] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.220098][ T5692] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.256400][ T5694] loop2: detected capacity change from 0 to 32768 [ 84.263928][ T5694] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.265082][ T5694] CPU: 0 PID: 5694 Comm: syz.2.60 Not tainted syzkaller #0 [ 84.266277][ T5694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.267859][ T5694] Call trace: [ 84.268336][ T5694] dump_backtrace+0x0/0x43c [ 84.269024][ T5694] show_stack+0x2c/0x3c [ 84.269671][ T5694] __dump_stack+0x30/0x40 [ 84.270424][ T5694] dump_stack_lvl+0xf8/0x160 [ 84.271195][ T5694] dump_stack+0x1c/0x5c [ 84.271869][ T5694] sysfs_create_dir_ns+0x22c/0x24c [ 84.272662][ T5694] kobject_add_internal+0x590/0xc54 [ 84.273488][ T5694] kobject_init_and_add+0x118/0x17c [ 84.274293][ T5694] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.275055][ T5694] gfs2_fill_super+0xdac/0x19e0 [ 84.275851][ T5694] get_tree_bdev+0x358/0x544 [ 84.276584][ T5694] gfs2_get_tree+0x54/0x1b4 [ 84.277317][ T5694] vfs_get_tree+0x90/0x274 [ 84.278004][ T5694] do_new_mount+0x228/0x810 [ 84.278654][ T5694] path_mount+0x5b4/0x1000 [ 84.279328][ T5694] __arm64_sys_mount+0x514/0x5e4 [ 84.279987][ T5694] invoke_syscall+0x98/0x2b8 [ 84.280739][ T5694] el0_svc_common+0x138/0x258 [ 84.281402][ T5694] do_el0_svc+0x58/0x14c [ 84.282078][ T5694] el0_svc+0x78/0x1e0 [ 84.282699][ T5694] el0t_64_sync_handler+0xcc/0xe4 [ 84.283506][ T5694] el0t_64_sync+0x1a0/0x1a4 [ 84.319803][ T5694] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.321703][ T5694] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.375878][ T5696] loop0: detected capacity change from 0 to 32768 1970/01/01 00:01:24 executed programs: 59 [ 84.386604][ T5696] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.387805][ T5696] CPU: 1 PID: 5696 Comm: syz.0.61 Not tainted syzkaller #0 [ 84.388893][ T5696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.390410][ T5696] Call trace: [ 84.390813][ T5696] dump_backtrace+0x0/0x43c [ 84.391544][ T5696] show_stack+0x2c/0x3c [ 84.392171][ T5696] __dump_stack+0x30/0x40 [ 84.392824][ T5696] dump_stack_lvl+0xf8/0x160 [ 84.393553][ T5696] dump_stack+0x1c/0x5c [ 84.394185][ T5696] sysfs_create_dir_ns+0x22c/0x24c [ 84.395005][ T5696] kobject_add_internal+0x590/0xc54 [ 84.395773][ T5696] kobject_init_and_add+0x118/0x17c [ 84.396508][ T5696] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.397240][ T5696] gfs2_fill_super+0xdac/0x19e0 [ 84.397903][ T5696] get_tree_bdev+0x358/0x544 [ 84.398653][ T5696] gfs2_get_tree+0x54/0x1b4 [ 84.399353][ T5696] vfs_get_tree+0x90/0x274 [ 84.399998][ T5696] do_new_mount+0x228/0x810 [ 84.400727][ T5696] path_mount+0x5b4/0x1000 [ 84.401451][ T5696] __arm64_sys_mount+0x514/0x5e4 [ 84.402274][ T5696] invoke_syscall+0x98/0x2b8 [ 84.403005][ T5696] el0_svc_common+0x138/0x258 [ 84.403788][ T5696] do_el0_svc+0x58/0x14c [ 84.404444][ T5696] el0_svc+0x78/0x1e0 [ 84.405041][ T5696] el0t_64_sync_handler+0xcc/0xe4 [ 84.405855][ T5696] el0t_64_sync+0x1a0/0x1a4 [ 84.431123][ T5696] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.435656][ T5696] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.442316][ T5698] loop4: detected capacity change from 0 to 32768 [ 84.477530][ T5698] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.478676][ T5698] CPU: 1 PID: 5698 Comm: syz.4.62 Not tainted syzkaller #0 [ 84.479759][ T5698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.481224][ T5698] Call trace: [ 84.481674][ T5698] dump_backtrace+0x0/0x43c [ 84.482449][ T5698] show_stack+0x2c/0x3c [ 84.483049][ T5698] __dump_stack+0x30/0x40 [ 84.483715][ T5698] dump_stack_lvl+0xf8/0x160 [ 84.484435][ T5698] dump_stack+0x1c/0x5c [ 84.485079][ T5698] sysfs_create_dir_ns+0x22c/0x24c [ 84.485912][ T5698] kobject_add_internal+0x590/0xc54 [ 84.486799][ T5698] kobject_init_and_add+0x118/0x17c [ 84.487608][ T5698] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.488332][ T5698] gfs2_fill_super+0xdac/0x19e0 [ 84.489119][ T5698] get_tree_bdev+0x358/0x544 [ 84.489887][ T5698] gfs2_get_tree+0x54/0x1b4 [ 84.490595][ T5698] vfs_get_tree+0x90/0x274 [ 84.491297][ T5698] do_new_mount+0x228/0x810 [ 84.492027][ T5698] path_mount+0x5b4/0x1000 [ 84.492720][ T5698] __arm64_sys_mount+0x514/0x5e4 [ 84.493471][ T5698] invoke_syscall+0x98/0x2b8 [ 84.494183][ T5698] el0_svc_common+0x138/0x258 [ 84.494946][ T5698] do_el0_svc+0x58/0x14c [ 84.495610][ T5698] el0_svc+0x78/0x1e0 [ 84.496369][ T5698] el0t_64_sync_handler+0xcc/0xe4 [ 84.497230][ T5698] el0t_64_sync+0x1a0/0x1a4 [ 84.506269][ T5700] loop1: detected capacity change from 0 to 32768 [ 84.522041][ T5700] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.523067][ T5700] CPU: 0 PID: 5700 Comm: syz.1.63 Not tainted syzkaller #0 [ 84.524146][ T5700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.525550][ T5700] Call trace: [ 84.525981][ T5700] dump_backtrace+0x0/0x43c [ 84.526657][ T5700] show_stack+0x2c/0x3c [ 84.527243][ T5700] __dump_stack+0x30/0x40 [ 84.527950][ T5700] dump_stack_lvl+0xf8/0x160 [ 84.528661][ T5700] dump_stack+0x1c/0x5c [ 84.529290][ T5700] sysfs_create_dir_ns+0x22c/0x24c [ 84.530109][ T5700] kobject_add_internal+0x590/0xc54 [ 84.531003][ T5700] kobject_init_and_add+0x118/0x17c [ 84.531829][ T5700] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.532556][ T5700] gfs2_fill_super+0xdac/0x19e0 [ 84.533273][ T5700] get_tree_bdev+0x358/0x544 [ 84.534014][ T5700] gfs2_get_tree+0x54/0x1b4 [ 84.534712][ T5700] vfs_get_tree+0x90/0x274 [ 84.535445][ T5700] do_new_mount+0x228/0x810 [ 84.536110][ T5700] path_mount+0x5b4/0x1000 [ 84.536715][ T5700] __arm64_sys_mount+0x514/0x5e4 [ 84.536995][ T5698] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.537413][ T5700] invoke_syscall+0x98/0x2b8 [ 84.539454][ T5698] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.539959][ T5700] el0_svc_common+0x138/0x258 [ 84.541506][ T5700] do_el0_svc+0x58/0x14c [ 84.542187][ T5700] el0_svc+0x78/0x1e0 [ 84.542657][ T5700] el0t_64_sync_handler+0xcc/0xe4 [ 84.543444][ T5700] el0t_64_sync+0x1a0/0x1a4 [ 84.587091][ T5700] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.589175][ T5700] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.622759][ T5702] loop2: detected capacity change from 0 to 32768 [ 84.634545][ T5696] loop0: detected capacity change from 0 to 32768 [ 84.638210][ T5702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.639240][ T5702] CPU: 0 PID: 5702 Comm: syz.2.64 Not tainted syzkaller #0 [ 84.640283][ T5702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.641768][ T5702] Call trace: [ 84.642191][ T5702] dump_backtrace+0x0/0x43c [ 84.642824][ T5702] show_stack+0x2c/0x3c [ 84.643383][ T5702] __dump_stack+0x30/0x40 [ 84.643959][ T5702] dump_stack_lvl+0xf8/0x160 [ 84.644581][ T5702] dump_stack+0x1c/0x5c [ 84.645131][ T5702] sysfs_create_dir_ns+0x22c/0x24c [ 84.645888][ T5702] kobject_add_internal+0x590/0xc54 [ 84.646657][ T5702] kobject_init_and_add+0x118/0x17c [ 84.647414][ T5702] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.648142][ T5702] gfs2_fill_super+0xdac/0x19e0 [ 84.648856][ T5702] get_tree_bdev+0x358/0x544 [ 84.649581][ T5702] gfs2_get_tree+0x54/0x1b4 [ 84.650293][ T5702] vfs_get_tree+0x90/0x274 [ 84.651012][ T5702] do_new_mount+0x228/0x810 [ 84.651739][ T5702] path_mount+0x5b4/0x1000 [ 84.652477][ T5702] __arm64_sys_mount+0x514/0x5e4 [ 84.653253][ T5702] invoke_syscall+0x98/0x2b8 [ 84.653967][ T5702] el0_svc_common+0x138/0x258 [ 84.654771][ T5702] do_el0_svc+0x58/0x14c [ 84.655430][ T5702] el0_svc+0x78/0x1e0 [ 84.656060][ T5702] el0t_64_sync_handler+0xcc/0xe4 [ 84.656821][ T5702] el0t_64_sync+0x1a0/0x1a4 [ 84.670911][ T5696] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.671934][ T5696] CPU: 1 PID: 5696 Comm: syz.0.61 Not tainted syzkaller #0 [ 84.672939][ T5696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.674352][ T5696] Call trace: [ 84.674820][ T5696] dump_backtrace+0x0/0x43c [ 84.675503][ T5696] show_stack+0x2c/0x3c [ 84.676115][ T5696] __dump_stack+0x30/0x40 [ 84.676830][ T5696] dump_stack_lvl+0xf8/0x160 [ 84.677576][ T5696] dump_stack+0x1c/0x5c [ 84.678242][ T5696] sysfs_create_dir_ns+0x22c/0x24c [ 84.679078][ T5696] kobject_add_internal+0x590/0xc54 [ 84.679937][ T5696] kobject_init_and_add+0x118/0x17c [ 84.680756][ T5696] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.681521][ T5696] gfs2_fill_super+0xdac/0x19e0 [ 84.682267][ T5696] get_tree_bdev+0x358/0x544 [ 84.682643][ T5702] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.682960][ T5696] gfs2_get_tree+0x54/0x1b4 [ 84.685019][ T5702] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.685720][ T5696] vfs_get_tree+0x90/0x274 [ 84.687262][ T5696] do_new_mount+0x228/0x810 [ 84.687970][ T5696] path_mount+0x5b4/0x1000 [ 84.688711][ T5696] __arm64_sys_mount+0x514/0x5e4 [ 84.689439][ T5696] invoke_syscall+0x98/0x2b8 [ 84.690219][ T5696] el0_svc_common+0x138/0x258 [ 84.690993][ T5696] do_el0_svc+0x58/0x14c [ 84.691809][ T5696] el0_svc+0x78/0x1e0 [ 84.692465][ T5696] el0t_64_sync_handler+0xcc/0xe4 [ 84.693248][ T5696] el0t_64_sync+0x1a0/0x1a4 [ 84.714443][ T5696] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.719384][ T5696] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.753368][ T5698] loop4: detected capacity change from 0 to 32768 [ 84.767528][ T5698] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.768630][ T5698] CPU: 0 PID: 5698 Comm: syz.4.62 Not tainted syzkaller #0 [ 84.769620][ T5698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.771052][ T5698] Call trace: [ 84.771514][ T5698] dump_backtrace+0x0/0x43c [ 84.772201][ T5698] show_stack+0x2c/0x3c [ 84.772786][ T5698] __dump_stack+0x30/0x40 [ 84.773379][ T5698] dump_stack_lvl+0xf8/0x160 [ 84.774017][ T5698] dump_stack+0x1c/0x5c [ 84.774591][ T5698] sysfs_create_dir_ns+0x22c/0x24c [ 84.775330][ T5698] kobject_add_internal+0x590/0xc54 [ 84.776131][ T5698] kobject_init_and_add+0x118/0x17c [ 84.776800][ T5698] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.777457][ T5698] gfs2_fill_super+0xdac/0x19e0 [ 84.778151][ T5698] get_tree_bdev+0x358/0x544 [ 84.778833][ T5698] gfs2_get_tree+0x54/0x1b4 [ 84.779520][ T5698] vfs_get_tree+0x90/0x274 [ 84.780226][ T5698] do_new_mount+0x228/0x810 [ 84.780958][ T5698] path_mount+0x5b4/0x1000 [ 84.781629][ T5698] __arm64_sys_mount+0x514/0x5e4 [ 84.782380][ T5698] invoke_syscall+0x98/0x2b8 [ 84.783001][ T5698] el0_svc_common+0x138/0x258 [ 84.783696][ T5698] do_el0_svc+0x58/0x14c [ 84.784346][ T5698] el0_svc+0x78/0x1e0 [ 84.784919][ T5698] el0t_64_sync_handler+0xcc/0xe4 [ 84.785656][ T5698] el0t_64_sync+0x1a0/0x1a4 [ 84.812202][ T5698] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.814134][ T5698] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.917015][ T5700] loop1: detected capacity change from 0 to 32768 [ 84.972852][ T5700] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.974035][ T5700] CPU: 0 PID: 5700 Comm: syz.1.63 Not tainted syzkaller #0 [ 84.975076][ T5700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.976568][ T5700] Call trace: [ 84.976995][ T5700] dump_backtrace+0x0/0x43c [ 84.977588][ T5700] show_stack+0x2c/0x3c [ 84.978232][ T5700] __dump_stack+0x30/0x40 [ 84.978907][ T5700] dump_stack_lvl+0xf8/0x160 [ 84.979598][ T5700] dump_stack+0x1c/0x5c [ 84.980292][ T5700] sysfs_create_dir_ns+0x22c/0x24c [ 84.981103][ T5700] kobject_add_internal+0x590/0xc54 [ 84.981946][ T5700] kobject_init_and_add+0x118/0x17c [ 84.982802][ T5700] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.983616][ T5700] gfs2_fill_super+0xdac/0x19e0 [ 84.984415][ T5700] get_tree_bdev+0x358/0x544 [ 84.985164][ T5700] gfs2_get_tree+0x54/0x1b4 [ 84.985327][ T5704] loop0: detected capacity change from 0 to 32768 [ 84.985905][ T5700] vfs_get_tree+0x90/0x274 [ 84.987620][ T5700] do_new_mount+0x228/0x810 [ 84.988339][ T5700] path_mount+0x5b4/0x1000 [ 84.989054][ T5700] __arm64_sys_mount+0x514/0x5e4 [ 84.989859][ T5700] invoke_syscall+0x98/0x2b8 [ 84.990632][ T5700] el0_svc_common+0x138/0x258 [ 84.991400][ T5700] do_el0_svc+0x58/0x14c [ 84.992098][ T5700] el0_svc+0x78/0x1e0 [ 84.992705][ T5700] el0t_64_sync_handler+0xcc/0xe4 [ 84.993476][ T5700] el0t_64_sync+0x1a0/0x1a4 [ 85.000624][ T5704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.001762][ T5704] CPU: 1 PID: 5704 Comm: syz.0.65 Not tainted syzkaller #0 [ 85.002840][ T5704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.004305][ T5704] Call trace: [ 85.004780][ T5704] dump_backtrace+0x0/0x43c [ 85.005438][ T5704] show_stack+0x2c/0x3c [ 85.006003][ T5704] __dump_stack+0x30/0x40 [ 85.006666][ T5704] dump_stack_lvl+0xf8/0x160 [ 85.007432][ T5704] dump_stack+0x1c/0x5c [ 85.008137][ T5704] sysfs_create_dir_ns+0x22c/0x24c [ 85.008938][ T5704] kobject_add_internal+0x590/0xc54 [ 85.009721][ T5704] kobject_init_and_add+0x118/0x17c [ 85.010552][ T5704] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.011382][ T5704] gfs2_fill_super+0xdac/0x19e0 [ 85.011682][ T5706] loop4: detected capacity change from 0 to 32768 [ 85.012135][ T5704] get_tree_bdev+0x358/0x544 [ 85.013692][ T5704] gfs2_get_tree+0x54/0x1b4 [ 85.013767][ T5700] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.014368][ T5704] vfs_get_tree+0x90/0x274 [ 85.016538][ T5700] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.017067][ T5704] do_new_mount+0x228/0x810 [ 85.017083][ T5704] path_mount+0x5b4/0x1000 [ 85.017092][ T5704] __arm64_sys_mount+0x514/0x5e4 [ 85.017098][ T5704] invoke_syscall+0x98/0x2b8 [ 85.017104][ T5704] el0_svc_common+0x138/0x258 [ 85.017109][ T5704] do_el0_svc+0x58/0x14c [ 85.017114][ T5704] el0_svc+0x78/0x1e0 [ 85.017119][ T5704] el0t_64_sync_handler+0xcc/0xe4 [ 85.023432][ T5704] el0t_64_sync+0x1a0/0x1a4 [ 85.031980][ T5702] loop2: detected capacity change from 0 to 32768 [ 85.052948][ T5704] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.054906][ T5704] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.070513][ T5706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.071692][ T5706] CPU: 0 PID: 5706 Comm: syz.4.66 Not tainted syzkaller #0 [ 85.072767][ T5706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.074253][ T5706] Call trace: [ 85.074757][ T5706] dump_backtrace+0x0/0x43c [ 85.075394][ T5706] show_stack+0x2c/0x3c [ 85.076027][ T5706] __dump_stack+0x30/0x40 [ 85.076662][ T5706] dump_stack_lvl+0xf8/0x160 [ 85.077425][ T5706] dump_stack+0x1c/0x5c [ 85.078143][ T5706] sysfs_create_dir_ns+0x22c/0x24c [ 85.078963][ T5706] kobject_add_internal+0x590/0xc54 [ 85.079803][ T5706] kobject_init_and_add+0x118/0x17c [ 85.080619][ T5706] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.081383][ T5706] gfs2_fill_super+0xdac/0x19e0 [ 85.082143][ T5706] get_tree_bdev+0x358/0x544 [ 85.082864][ T5706] gfs2_get_tree+0x54/0x1b4 [ 85.083567][ T5706] vfs_get_tree+0x90/0x274 [ 85.084277][ T5706] do_new_mount+0x228/0x810 [ 85.084934][ T5706] path_mount+0x5b4/0x1000 [ 85.085621][ T5706] __arm64_sys_mount+0x514/0x5e4 [ 85.086331][ T5706] invoke_syscall+0x98/0x2b8 [ 85.087021][ T5706] el0_svc_common+0x138/0x258 [ 85.087706][ T5706] do_el0_svc+0x58/0x14c [ 85.088380][ T5706] el0_svc+0x78/0x1e0 [ 85.089009][ T5706] el0t_64_sync_handler+0xcc/0xe4 [ 85.089818][ T5706] el0t_64_sync+0x1a0/0x1a4 [ 85.091563][ T5702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.092637][ T5702] CPU: 0 PID: 5702 Comm: syz.2.64 Not tainted syzkaller #0 [ 85.093737][ T5702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.095282][ T5702] Call trace: [ 85.095763][ T5702] dump_backtrace+0x0/0x43c [ 85.096440][ T5702] show_stack+0x2c/0x3c [ 85.096993][ T5702] __dump_stack+0x30/0x40 [ 85.097680][ T5702] dump_stack_lvl+0xf8/0x160 [ 85.098399][ T5702] dump_stack+0x1c/0x5c [ 85.099037][ T5702] sysfs_create_dir_ns+0x22c/0x24c [ 85.099941][ T5702] kobject_add_internal+0x590/0xc54 [ 85.100739][ T5702] kobject_init_and_add+0x118/0x17c [ 85.101553][ T5702] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.102364][ T5702] gfs2_fill_super+0xdac/0x19e0 [ 85.103115][ T5702] get_tree_bdev+0x358/0x544 [ 85.103828][ T5702] gfs2_get_tree+0x54/0x1b4 [ 85.104519][ T5702] vfs_get_tree+0x90/0x274 [ 85.105224][ T5702] do_new_mount+0x228/0x810 [ 85.105943][ T5702] path_mount+0x5b4/0x1000 [ 85.106603][ T5702] __arm64_sys_mount+0x514/0x5e4 [ 85.107376][ T5702] invoke_syscall+0x98/0x2b8 [ 85.108057][ T5702] el0_svc_common+0x138/0x258 [ 85.108752][ T5702] do_el0_svc+0x58/0x14c [ 85.109375][ T5702] el0_svc+0x78/0x1e0 [ 85.109936][ T5702] el0t_64_sync_handler+0xcc/0xe4 [ 85.110695][ T5702] el0t_64_sync+0x1a0/0x1a4 [ 85.131788][ T5702] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.133625][ T5702] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.134861][ T5706] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.136678][ T5706] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.237298][ T5708] loop1: detected capacity change from 0 to 32768 [ 85.253636][ T5708] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.254761][ T5708] CPU: 0 PID: 5708 Comm: syz.1.67 Not tainted syzkaller #0 [ 85.255780][ T5708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.257240][ T5708] Call trace: [ 85.257689][ T5708] dump_backtrace+0x0/0x43c [ 85.258350][ T5708] show_stack+0x2c/0x3c [ 85.258952][ T5708] __dump_stack+0x30/0x40 [ 85.259564][ T5708] dump_stack_lvl+0xf8/0x160 [ 85.260237][ T5708] dump_stack+0x1c/0x5c [ 85.260831][ T5708] sysfs_create_dir_ns+0x22c/0x24c [ 85.261613][ T5708] kobject_add_internal+0x590/0xc54 [ 85.262376][ T5708] kobject_init_and_add+0x118/0x17c [ 85.262390][ T5704] loop0: detected capacity change from 0 to 32768 [ 85.264150][ T5708] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.264856][ T5708] gfs2_fill_super+0xdac/0x19e0 [ 85.265621][ T5708] get_tree_bdev+0x358/0x544 [ 85.266340][ T5708] gfs2_get_tree+0x54/0x1b4 [ 85.267015][ T5708] vfs_get_tree+0x90/0x274 [ 85.267622][ T5708] do_new_mount+0x228/0x810 [ 85.268326][ T5708] path_mount+0x5b4/0x1000 [ 85.268916][ T5708] __arm64_sys_mount+0x514/0x5e4 [ 85.269654][ T5708] invoke_syscall+0x98/0x2b8 [ 85.270358][ T5708] el0_svc_common+0x138/0x258 [ 85.271145][ T5708] do_el0_svc+0x58/0x14c [ 85.271831][ T5708] el0_svc+0x78/0x1e0 [ 85.272361][ T5708] el0t_64_sync_handler+0xcc/0xe4 [ 85.273177][ T5708] el0t_64_sync+0x1a0/0x1a4 [ 85.275283][ T5704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.276451][ T5704] CPU: 1 PID: 5704 Comm: syz.0.65 Not tainted syzkaller #0 [ 85.277569][ T5704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.279137][ T5704] Call trace: [ 85.279690][ T5704] dump_backtrace+0x0/0x43c [ 85.280398][ T5704] show_stack+0x2c/0x3c [ 85.281065][ T5704] __dump_stack+0x30/0x40 [ 85.281661][ T5704] dump_stack_lvl+0xf8/0x160 [ 85.282445][ T5704] dump_stack+0x1c/0x5c [ 85.283134][ T5704] sysfs_create_dir_ns+0x22c/0x24c [ 85.283928][ T5704] kobject_add_internal+0x590/0xc54 [ 85.284757][ T5704] kobject_init_and_add+0x118/0x17c [ 85.285564][ T5704] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.286326][ T5704] gfs2_fill_super+0xdac/0x19e0 [ 85.287102][ T5704] get_tree_bdev+0x358/0x544 [ 85.287809][ T5704] gfs2_get_tree+0x54/0x1b4 [ 85.288471][ T5704] vfs_get_tree+0x90/0x274 [ 85.289117][ T5704] do_new_mount+0x228/0x810 [ 85.289837][ T5704] path_mount+0x5b4/0x1000 [ 85.290556][ T5704] __arm64_sys_mount+0x514/0x5e4 [ 85.291325][ T5704] invoke_syscall+0x98/0x2b8 [ 85.292070][ T5704] el0_svc_common+0x138/0x258 [ 85.292752][ T5704] do_el0_svc+0x58/0x14c [ 85.293420][ T5704] el0_svc+0x78/0x1e0 [ 85.294015][ T5704] el0t_64_sync_handler+0xcc/0xe4 [ 85.294425][ T5708] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.294823][ T5704] el0t_64_sync+0x1a0/0x1a4 [ 85.296799][ T5708] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.339021][ T5704] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.345289][ T5704] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.364882][ T5706] loop4: detected capacity change from 0 to 32768 [ 85.413496][ T5710] loop2: detected capacity change from 0 to 32768 [ 85.421650][ T5706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.422805][ T5706] CPU: 0 PID: 5706 Comm: syz.4.66 Not tainted syzkaller #0 [ 85.423831][ T5706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.425082][ T5706] Call trace: [ 85.425564][ T5706] dump_backtrace+0x0/0x43c [ 85.426165][ T5706] show_stack+0x2c/0x3c [ 85.426805][ T5706] __dump_stack+0x30/0x40 [ 85.427443][ T5706] dump_stack_lvl+0xf8/0x160 [ 85.428204][ T5706] dump_stack+0x1c/0x5c [ 85.428778][ T5706] sysfs_create_dir_ns+0x22c/0x24c [ 85.429500][ T5706] kobject_add_internal+0x590/0xc54 [ 85.430262][ T5706] kobject_init_and_add+0x118/0x17c [ 85.431084][ T5706] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.431845][ T5706] gfs2_fill_super+0xdac/0x19e0 [ 85.432616][ T5706] get_tree_bdev+0x358/0x544 [ 85.433344][ T5706] gfs2_get_tree+0x54/0x1b4 [ 85.434051][ T5706] vfs_get_tree+0x90/0x274 [ 85.434726][ T5706] do_new_mount+0x228/0x810 [ 85.435437][ T5706] path_mount+0x5b4/0x1000 [ 85.436171][ T5706] __arm64_sys_mount+0x514/0x5e4 [ 85.436974][ T5706] invoke_syscall+0x98/0x2b8 [ 85.437723][ T5706] el0_svc_common+0x138/0x258 [ 85.438469][ T5706] do_el0_svc+0x58/0x14c [ 85.439134][ T5706] el0_svc+0x78/0x1e0 [ 85.439733][ T5706] el0t_64_sync_handler+0xcc/0xe4 [ 85.440476][ T5706] el0t_64_sync+0x1a0/0x1a4 [ 85.457540][ T5710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.458690][ T5710] CPU: 1 PID: 5710 Comm: syz.2.68 Not tainted syzkaller #0 [ 85.459811][ T5710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.461355][ T5710] Call trace: [ 85.461864][ T5710] dump_backtrace+0x0/0x43c [ 85.462521][ T5710] show_stack+0x2c/0x3c [ 85.463175][ T5710] __dump_stack+0x30/0x40 [ 85.463863][ T5710] dump_stack_lvl+0xf8/0x160 [ 85.464582][ T5710] dump_stack+0x1c/0x5c [ 85.465258][ T5710] sysfs_create_dir_ns+0x22c/0x24c [ 85.466164][ T5710] kobject_add_internal+0x590/0xc54 [ 85.467011][ T5710] kobject_init_and_add+0x118/0x17c [ 85.467813][ T5710] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.468522][ T5710] gfs2_fill_super+0xdac/0x19e0 [ 85.469237][ T5710] get_tree_bdev+0x358/0x544 [ 85.469937][ T5710] gfs2_get_tree+0x54/0x1b4 [ 85.470654][ T5710] vfs_get_tree+0x90/0x274 [ 85.471384][ T5710] do_new_mount+0x228/0x810 [ 85.471735][ T5706] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.472107][ T5710] path_mount+0x5b4/0x1000 [ 85.474001][ T5706] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.474749][ T5710] __arm64_sys_mount+0x514/0x5e4 [ 85.476392][ T5710] invoke_syscall+0x98/0x2b8 [ 85.477181][ T5710] el0_svc_common+0x138/0x258 [ 85.477910][ T5710] do_el0_svc+0x58/0x14c [ 85.478518][ T5710] el0_svc+0x78/0x1e0 [ 85.479117][ T5710] el0t_64_sync_handler+0xcc/0xe4 [ 85.479932][ T5710] el0t_64_sync+0x1a0/0x1a4 [ 85.503083][ T5708] loop1: detected capacity change from 0 to 32768 [ 85.519643][ T5710] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.527031][ T5710] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.550646][ T5708] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.551862][ T5708] CPU: 0 PID: 5708 Comm: syz.1.67 Not tainted syzkaller #0 [ 85.552935][ T5708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.554545][ T5708] Call trace: [ 85.555082][ T5708] dump_backtrace+0x0/0x43c [ 85.555739][ T5708] show_stack+0x2c/0x3c [ 85.556365][ T5708] __dump_stack+0x30/0x40 [ 85.556977][ T5708] dump_stack_lvl+0xf8/0x160 [ 85.557707][ T5708] dump_stack+0x1c/0x5c [ 85.558346][ T5708] sysfs_create_dir_ns+0x22c/0x24c [ 85.559171][ T5708] kobject_add_internal+0x590/0xc54 [ 85.559950][ T5708] kobject_init_and_add+0x118/0x17c [ 85.560717][ T5708] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.561503][ T5708] gfs2_fill_super+0xdac/0x19e0 [ 85.562211][ T5708] get_tree_bdev+0x358/0x544 [ 85.562898][ T5708] gfs2_get_tree+0x54/0x1b4 [ 85.563535][ T5708] vfs_get_tree+0x90/0x274 [ 85.564198][ T5708] do_new_mount+0x228/0x810 [ 85.564866][ T5708] path_mount+0x5b4/0x1000 [ 85.565564][ T5708] __arm64_sys_mount+0x514/0x5e4 [ 85.566241][ T5708] invoke_syscall+0x98/0x2b8 [ 85.567000][ T5708] el0_svc_common+0x138/0x258 [ 85.567671][ T5708] do_el0_svc+0x58/0x14c [ 85.568270][ T5708] el0_svc+0x78/0x1e0 [ 85.568798][ T5708] el0t_64_sync_handler+0xcc/0xe4 [ 85.569572][ T5708] el0t_64_sync+0x1a0/0x1a4 [ 85.583159][ T5712] loop0: detected capacity change from 0 to 32768 [ 85.600877][ T5708] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.602758][ T5708] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.608792][ T5712] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.609844][ T5712] CPU: 1 PID: 5712 Comm: syz.0.69 Not tainted syzkaller #0 [ 85.610847][ T5712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.612213][ T5712] Call trace: [ 85.612645][ T5712] dump_backtrace+0x0/0x43c [ 85.613263][ T5712] show_stack+0x2c/0x3c [ 85.613884][ T5712] __dump_stack+0x30/0x40 [ 85.614498][ T5712] dump_stack_lvl+0xf8/0x160 [ 85.615171][ T5712] dump_stack+0x1c/0x5c [ 85.615748][ T5712] sysfs_create_dir_ns+0x22c/0x24c [ 85.616478][ T5712] kobject_add_internal+0x590/0xc54 [ 85.617217][ T5712] kobject_init_and_add+0x118/0x17c [ 85.617918][ T5712] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.618637][ T5712] gfs2_fill_super+0xdac/0x19e0 [ 85.619354][ T5712] get_tree_bdev+0x358/0x544 [ 85.620030][ T5712] gfs2_get_tree+0x54/0x1b4 [ 85.620774][ T5712] vfs_get_tree+0x90/0x274 [ 85.621462][ T5712] do_new_mount+0x228/0x810 [ 85.622144][ T5712] path_mount+0x5b4/0x1000 [ 85.622758][ T5712] __arm64_sys_mount+0x514/0x5e4 [ 85.623494][ T5712] invoke_syscall+0x98/0x2b8 [ 85.624184][ T5712] el0_svc_common+0x138/0x258 [ 85.624891][ T5712] do_el0_svc+0x58/0x14c [ 85.625513][ T5712] el0_svc+0x78/0x1e0 [ 85.626079][ T5712] el0t_64_sync_handler+0xcc/0xe4 [ 85.626819][ T5712] el0t_64_sync+0x1a0/0x1a4 [ 85.657046][ T5712] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.667000][ T5712] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.721042][ T5714] loop4: detected capacity change from 0 to 32768 [ 85.729537][ T5710] loop2: detected capacity change from 0 to 32768 [ 85.732744][ T5710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.733870][ T5710] CPU: 1 PID: 5710 Comm: syz.2.68 Not tainted syzkaller #0 [ 85.735008][ T5710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.736511][ T5710] Call trace: [ 85.736992][ T5710] dump_backtrace+0x0/0x43c [ 85.737633][ T5710] show_stack+0x2c/0x3c [ 85.738221][ T5710] __dump_stack+0x30/0x40 [ 85.738835][ T5710] dump_stack_lvl+0xf8/0x160 [ 85.739516][ T5710] dump_stack+0x1c/0x5c [ 85.740147][ T5710] sysfs_create_dir_ns+0x22c/0x24c [ 85.740969][ T5710] kobject_add_internal+0x590/0xc54 [ 85.741851][ T5710] kobject_init_and_add+0x118/0x17c [ 85.742692][ T5710] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.743431][ T5710] gfs2_fill_super+0xdac/0x19e0 [ 85.744142][ T5710] get_tree_bdev+0x358/0x544 [ 85.744780][ T5710] gfs2_get_tree+0x54/0x1b4 [ 85.745427][ T5710] vfs_get_tree+0x90/0x274 [ 85.746059][ T5710] do_new_mount+0x228/0x810 [ 85.746734][ T5710] path_mount+0x5b4/0x1000 [ 85.747426][ T5710] __arm64_sys_mount+0x514/0x5e4 [ 85.748191][ T5710] invoke_syscall+0x98/0x2b8 [ 85.748860][ T5710] el0_svc_common+0x138/0x258 [ 85.749516][ T5710] do_el0_svc+0x58/0x14c [ 85.750159][ T5710] el0_svc+0x78/0x1e0 [ 85.750712][ T5710] el0t_64_sync_handler+0xcc/0xe4 [ 85.751405][ T5710] el0t_64_sync+0x1a0/0x1a4 [ 85.772605][ T5710] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.774463][ T5710] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.777759][ T5714] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.778872][ T5714] CPU: 0 PID: 5714 Comm: syz.4.70 Not tainted syzkaller #0 [ 85.779954][ T5714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.781480][ T5714] Call trace: [ 85.781998][ T5714] dump_backtrace+0x0/0x43c [ 85.782696][ T5714] show_stack+0x2c/0x3c [ 85.783308][ T5714] __dump_stack+0x30/0x40 [ 85.783920][ T5714] dump_stack_lvl+0xf8/0x160 [ 85.784628][ T5714] dump_stack+0x1c/0x5c [ 85.785272][ T5714] sysfs_create_dir_ns+0x22c/0x24c [ 85.786017][ T5714] kobject_add_internal+0x590/0xc54 [ 85.786857][ T5714] kobject_init_and_add+0x118/0x17c [ 85.787732][ T5714] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.788559][ T5714] gfs2_fill_super+0xdac/0x19e0 [ 85.789331][ T5714] get_tree_bdev+0x358/0x544 [ 85.790045][ T5714] gfs2_get_tree+0x54/0x1b4 [ 85.790713][ T5714] vfs_get_tree+0x90/0x274 [ 85.791420][ T5714] do_new_mount+0x228/0x810 [ 85.792156][ T5714] path_mount+0x5b4/0x1000 [ 85.792841][ T5714] __arm64_sys_mount+0x514/0x5e4 [ 85.793600][ T5714] invoke_syscall+0x98/0x2b8 [ 85.794340][ T5714] el0_svc_common+0x138/0x258 [ 85.795087][ T5714] do_el0_svc+0x58/0x14c [ 85.795816][ T5714] el0_svc+0x78/0x1e0 [ 85.796453][ T5714] el0t_64_sync_handler+0xcc/0xe4 [ 85.797264][ T5714] el0t_64_sync+0x1a0/0x1a4 [ 85.830862][ T5714] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.843204][ T5714] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.855413][ T5712] loop0: detected capacity change from 0 to 32768 [ 85.918945][ T5716] loop1: detected capacity change from 0 to 32768 [ 85.947422][ T5712] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.948642][ T5712] CPU: 1 PID: 5712 Comm: syz.0.69 Not tainted syzkaller #0 [ 85.949754][ T5712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.951381][ T5712] Call trace: [ 85.951921][ T5712] dump_backtrace+0x0/0x43c [ 85.952571][ T5712] show_stack+0x2c/0x3c [ 85.953213][ T5712] __dump_stack+0x30/0x40 [ 85.953932][ T5712] dump_stack_lvl+0xf8/0x160 [ 85.954658][ T5712] dump_stack+0x1c/0x5c [ 85.955316][ T5712] sysfs_create_dir_ns+0x22c/0x24c [ 85.956211][ T5712] kobject_add_internal+0x590/0xc54 [ 85.957105][ T5712] kobject_init_and_add+0x118/0x17c [ 85.957956][ T5712] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.958646][ T5712] gfs2_fill_super+0xdac/0x19e0 [ 85.959395][ T5712] get_tree_bdev+0x358/0x544 [ 85.960048][ T5712] gfs2_get_tree+0x54/0x1b4 [ 85.960769][ T5712] vfs_get_tree+0x90/0x274 [ 85.961443][ T5712] do_new_mount+0x228/0x810 [ 85.962140][ T5712] path_mount+0x5b4/0x1000 [ 85.962807][ T5712] __arm64_sys_mount+0x514/0x5e4 [ 85.963530][ T5712] invoke_syscall+0x98/0x2b8 [ 85.964244][ T5712] el0_svc_common+0x138/0x258 [ 85.964914][ T5712] do_el0_svc+0x58/0x14c [ 85.965593][ T5712] el0_svc+0x78/0x1e0 [ 85.966176][ T5712] el0t_64_sync_handler+0xcc/0xe4 [ 85.966930][ T5712] el0t_64_sync+0x1a0/0x1a4 [ 85.971191][ T5718] loop2: detected capacity change from 0 to 32768 [ 85.972305][ T5712] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.974255][ T5712] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.977577][ T5716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.978718][ T5716] CPU: 0 PID: 5716 Comm: syz.1.71 Not tainted syzkaller #0 [ 85.979812][ T5716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.981297][ T5716] Call trace: [ 85.981801][ T5716] dump_backtrace+0x0/0x43c [ 85.982523][ T5716] show_stack+0x2c/0x3c [ 85.983163][ T5716] __dump_stack+0x30/0x40 [ 85.983840][ T5716] dump_stack_lvl+0xf8/0x160 [ 85.984561][ T5716] dump_stack+0x1c/0x5c [ 85.985195][ T5716] sysfs_create_dir_ns+0x22c/0x24c [ 85.985954][ T5716] kobject_add_internal+0x590/0xc54 [ 85.986735][ T5716] kobject_init_and_add+0x118/0x17c [ 85.987519][ T5716] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.988197][ T5716] gfs2_fill_super+0xdac/0x19e0 [ 85.988900][ T5716] get_tree_bdev+0x358/0x544 [ 85.989549][ T5716] gfs2_get_tree+0x54/0x1b4 [ 85.990192][ T5716] vfs_get_tree+0x90/0x274 [ 85.990839][ T5716] do_new_mount+0x228/0x810 [ 85.991504][ T5716] path_mount+0x5b4/0x1000 [ 85.992208][ T5716] __arm64_sys_mount+0x514/0x5e4 [ 85.992988][ T5716] invoke_syscall+0x98/0x2b8 [ 85.993696][ T5716] el0_svc_common+0x138/0x258 [ 85.994400][ T5716] do_el0_svc+0x58/0x14c [ 85.994968][ T5716] el0_svc+0x78/0x1e0 [ 85.995535][ T5716] el0t_64_sync_handler+0xcc/0xe4 [ 85.996312][ T5716] el0t_64_sync+0x1a0/0x1a4 [ 85.999223][ T5714] loop4: detected capacity change from 0 to 32768 [ 86.006497][ T5716] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.008679][ T5716] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.027663][ T5718] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.028741][ T5718] CPU: 0 PID: 5718 Comm: syz.2.72 Not tainted syzkaller #0 [ 86.029751][ T5718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.031204][ T5718] Call trace: [ 86.031730][ T5718] dump_backtrace+0x0/0x43c [ 86.032388][ T5718] show_stack+0x2c/0x3c [ 86.033002][ T5718] __dump_stack+0x30/0x40 [ 86.033728][ T5718] dump_stack_lvl+0xf8/0x160 [ 86.034420][ T5718] dump_stack+0x1c/0x5c [ 86.035041][ T5718] sysfs_create_dir_ns+0x22c/0x24c [ 86.035840][ T5718] kobject_add_internal+0x590/0xc54 [ 86.036663][ T5718] kobject_init_and_add+0x118/0x17c [ 86.037493][ T5718] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.038217][ T5718] gfs2_fill_super+0xdac/0x19e0 [ 86.039041][ T5718] get_tree_bdev+0x358/0x544 [ 86.039804][ T5718] gfs2_get_tree+0x54/0x1b4 [ 86.040485][ T5718] vfs_get_tree+0x90/0x274 [ 86.041124][ T5718] do_new_mount+0x228/0x810 [ 86.041737][ T5718] path_mount+0x5b4/0x1000 [ 86.042454][ T5718] __arm64_sys_mount+0x514/0x5e4 [ 86.043252][ T5718] invoke_syscall+0x98/0x2b8 [ 86.043964][ T5718] el0_svc_common+0x138/0x258 [ 86.044647][ T5718] do_el0_svc+0x58/0x14c [ 86.045314][ T5718] el0_svc+0x78/0x1e0 [ 86.045913][ T5718] el0t_64_sync_handler+0xcc/0xe4 [ 86.046671][ T5718] el0t_64_sync+0x1a0/0x1a4 [ 86.068296][ T5714] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.069392][ T5714] CPU: 1 PID: 5714 Comm: syz.4.70 Not tainted syzkaller #0 [ 86.070397][ T5714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.071978][ T5714] Call trace: [ 86.072501][ T5714] dump_backtrace+0x0/0x43c [ 86.073162][ T5714] show_stack+0x2c/0x3c [ 86.073783][ T5714] __dump_stack+0x30/0x40 [ 86.074433][ T5714] dump_stack_lvl+0xf8/0x160 [ 86.075137][ T5714] dump_stack+0x1c/0x5c [ 86.075802][ T5714] sysfs_create_dir_ns+0x22c/0x24c [ 86.076580][ T5714] kobject_add_internal+0x590/0xc54 [ 86.077335][ T5714] kobject_init_and_add+0x118/0x17c [ 86.078081][ T5714] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.078837][ T5714] gfs2_fill_super+0xdac/0x19e0 [ 86.079601][ T5714] get_tree_bdev+0x358/0x544 [ 86.080308][ T5714] gfs2_get_tree+0x54/0x1b4 [ 86.081005][ T5714] vfs_get_tree+0x90/0x274 [ 86.081716][ T5714] do_new_mount+0x228/0x810 [ 86.082407][ T5714] path_mount+0x5b4/0x1000 [ 86.083113][ T5714] __arm64_sys_mount+0x514/0x5e4 [ 86.083890][ T5714] invoke_syscall+0x98/0x2b8 [ 86.084580][ T5714] el0_svc_common+0x138/0x258 [ 86.085267][ T5714] do_el0_svc+0x58/0x14c [ 86.085867][ T5714] el0_svc+0x78/0x1e0 [ 86.086459][ T5714] el0t_64_sync_handler+0xcc/0xe4 [ 86.087186][ T5714] el0t_64_sync+0x1a0/0x1a4 [ 86.089368][ T5718] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.091708][ T5718] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.117061][ T5714] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.119102][ T5714] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.157822][ T5716] loop1: detected capacity change from 0 to 32768 [ 86.203808][ T5716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.205024][ T5716] CPU: 1 PID: 5716 Comm: syz.1.71 Not tainted syzkaller #0 [ 86.206063][ T5716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.207557][ T5716] Call trace: [ 86.208061][ T5716] dump_backtrace+0x0/0x43c [ 86.208753][ T5716] show_stack+0x2c/0x3c [ 86.209378][ T5716] __dump_stack+0x30/0x40 [ 86.210095][ T5716] dump_stack_lvl+0xf8/0x160 [ 86.210816][ T5716] dump_stack+0x1c/0x5c [ 86.211452][ T5716] sysfs_create_dir_ns+0x22c/0x24c [ 86.212227][ T5716] kobject_add_internal+0x590/0xc54 [ 86.213034][ T5716] kobject_init_and_add+0x118/0x17c [ 86.213826][ T5716] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.214505][ T5716] gfs2_fill_super+0xdac/0x19e0 [ 86.215205][ T5716] get_tree_bdev+0x358/0x544 [ 86.215941][ T5716] gfs2_get_tree+0x54/0x1b4 [ 86.216750][ T5716] vfs_get_tree+0x90/0x274 [ 86.217484][ T5716] do_new_mount+0x228/0x810 [ 86.218221][ T5716] path_mount+0x5b4/0x1000 [ 86.218941][ T5716] __arm64_sys_mount+0x514/0x5e4 [ 86.219725][ T5716] invoke_syscall+0x98/0x2b8 [ 86.220389][ T5716] el0_svc_common+0x138/0x258 [ 86.221121][ T5716] do_el0_svc+0x58/0x14c [ 86.221772][ T5716] el0_svc+0x78/0x1e0 [ 86.222462][ T5716] el0t_64_sync_handler+0xcc/0xe4 [ 86.223278][ T5716] el0t_64_sync+0x1a0/0x1a4 [ 86.242949][ T5720] loop0: detected capacity change from 0 to 32768 [ 86.248234][ T5716] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.250121][ T5716] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.267165][ T5720] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.268268][ T5720] CPU: 1 PID: 5720 Comm: syz.0.73 Not tainted syzkaller #0 [ 86.269287][ T5720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.270775][ T5720] Call trace: [ 86.271240][ T5720] dump_backtrace+0x0/0x43c [ 86.271923][ T5720] show_stack+0x2c/0x3c [ 86.272557][ T5720] __dump_stack+0x30/0x40 [ 86.273202][ T5720] dump_stack_lvl+0xf8/0x160 [ 86.273955][ T5720] dump_stack+0x1c/0x5c [ 86.274618][ T5720] sysfs_create_dir_ns+0x22c/0x24c [ 86.275468][ T5720] kobject_add_internal+0x590/0xc54 [ 86.276295][ T5720] kobject_init_and_add+0x118/0x17c [ 86.277097][ T5720] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.277776][ T5720] gfs2_fill_super+0xdac/0x19e0 [ 86.278547][ T5720] get_tree_bdev+0x358/0x544 [ 86.279255][ T5720] gfs2_get_tree+0x54/0x1b4 [ 86.279998][ T5720] vfs_get_tree+0x90/0x274 [ 86.280681][ T5720] do_new_mount+0x228/0x810 [ 86.281397][ T5720] path_mount+0x5b4/0x1000 [ 86.282075][ T5720] __arm64_sys_mount+0x514/0x5e4 [ 86.282814][ T5720] invoke_syscall+0x98/0x2b8 [ 86.283566][ T5720] el0_svc_common+0x138/0x258 [ 86.284358][ T5720] do_el0_svc+0x58/0x14c [ 86.284986][ T5720] el0_svc+0x78/0x1e0 [ 86.285604][ T5720] el0t_64_sync_handler+0xcc/0xe4 [ 86.286378][ T5720] el0t_64_sync+0x1a0/0x1a4 [ 86.319188][ T5720] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.321406][ T5720] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.385563][ T5722] loop4: detected capacity change from 0 to 32768 [ 86.414218][ T5718] loop2: detected capacity change from 0 to 32768 [ 86.428960][ T5722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.430103][ T5722] CPU: 0 PID: 5722 Comm: syz.4.74 Not tainted syzkaller #0 [ 86.431099][ T5722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.432694][ T5722] Call trace: [ 86.433159][ T5722] dump_backtrace+0x0/0x43c [ 86.433952][ T5722] show_stack+0x2c/0x3c [ 86.434677][ T5722] __dump_stack+0x30/0x40 [ 86.435343][ T5722] dump_stack_lvl+0xf8/0x160 [ 86.436008][ T5722] dump_stack+0x1c/0x5c [ 86.436717][ T5722] sysfs_create_dir_ns+0x22c/0x24c [ 86.437558][ T5722] kobject_add_internal+0x590/0xc54 [ 86.438372][ T5722] kobject_init_and_add+0x118/0x17c [ 86.439203][ T5722] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.439956][ T5722] gfs2_fill_super+0xdac/0x19e0 [ 86.440702][ T5722] get_tree_bdev+0x358/0x544 [ 86.441442][ T5722] gfs2_get_tree+0x54/0x1b4 [ 86.442167][ T5722] vfs_get_tree+0x90/0x274 [ 86.442879][ T5722] do_new_mount+0x228/0x810 [ 86.443600][ T5722] path_mount+0x5b4/0x1000 [ 86.444298][ T5722] __arm64_sys_mount+0x514/0x5e4 [ 86.445092][ T5722] invoke_syscall+0x98/0x2b8 [ 86.445836][ T5722] el0_svc_common+0x138/0x258 [ 86.446557][ T5722] do_el0_svc+0x58/0x14c [ 86.447159][ T5722] el0_svc+0x78/0x1e0 [ 86.447728][ T5722] el0t_64_sync_handler+0xcc/0xe4 [ 86.448510][ T5722] el0t_64_sync+0x1a0/0x1a4 [ 86.453247][ T5724] loop1: detected capacity change from 0 to 32768 [ 86.459144][ T5718] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.460342][ T5718] CPU: 0 PID: 5718 Comm: syz.2.72 Not tainted syzkaller #0 [ 86.461454][ T5718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.462909][ T5718] Call trace: [ 86.463416][ T5718] dump_backtrace+0x0/0x43c [ 86.464110][ T5718] show_stack+0x2c/0x3c [ 86.464775][ T5718] __dump_stack+0x30/0x40 [ 86.465400][ T5718] dump_stack_lvl+0xf8/0x160 [ 86.466156][ T5718] dump_stack+0x1c/0x5c [ 86.466857][ T5718] sysfs_create_dir_ns+0x22c/0x24c [ 86.467717][ T5718] kobject_add_internal+0x590/0xc54 [ 86.468574][ T5718] kobject_init_and_add+0x118/0x17c [ 86.469408][ T5718] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.470120][ T5718] gfs2_fill_super+0xdac/0x19e0 [ 86.470827][ T5718] get_tree_bdev+0x358/0x544 [ 86.471545][ T5718] gfs2_get_tree+0x54/0x1b4 [ 86.472295][ T5718] vfs_get_tree+0x90/0x274 [ 86.472968][ T5718] do_new_mount+0x228/0x810 [ 86.473599][ T5718] path_mount+0x5b4/0x1000 [ 86.474284][ T5718] __arm64_sys_mount+0x514/0x5e4 [ 86.475075][ T5718] invoke_syscall+0x98/0x2b8 [ 86.475827][ T5718] el0_svc_common+0x138/0x258 [ 86.476494][ T5718] do_el0_svc+0x58/0x14c [ 86.477088][ T5718] el0_svc+0x78/0x1e0 [ 86.477652][ T5718] el0t_64_sync_handler+0xcc/0xe4 [ 86.478364][ T5718] el0t_64_sync+0x1a0/0x1a4 [ 86.491808][ T5722] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.493909][ T5722] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.495344][ T5718] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.498243][ T5724] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.499420][ T5724] CPU: 1 PID: 5724 Comm: syz.1.75 Not tainted syzkaller #0 [ 86.500486][ T5724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.502028][ T5724] Call trace: [ 86.502539][ T5724] dump_backtrace+0x0/0x43c [ 86.503239][ T5724] show_stack+0x2c/0x3c [ 86.503933][ T5724] __dump_stack+0x30/0x40 [ 86.504589][ T5724] dump_stack_lvl+0xf8/0x160 [ 86.505247][ T5724] dump_stack+0x1c/0x5c [ 86.505892][ T5724] sysfs_create_dir_ns+0x22c/0x24c [ 86.506741][ T5724] kobject_add_internal+0x590/0xc54 [ 86.507045][ T5718] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.507553][ T5724] kobject_init_and_add+0x118/0x17c [ 86.509224][ T5724] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.509876][ T5724] gfs2_fill_super+0xdac/0x19e0 [ 86.510575][ T5724] get_tree_bdev+0x358/0x544 [ 86.511303][ T5724] gfs2_get_tree+0x54/0x1b4 [ 86.512015][ T5724] vfs_get_tree+0x90/0x274 [ 86.512702][ T5724] do_new_mount+0x228/0x810 [ 86.513410][ T5724] path_mount+0x5b4/0x1000 [ 86.514152][ T5724] __arm64_sys_mount+0x514/0x5e4 [ 86.514976][ T5724] invoke_syscall+0x98/0x2b8 [ 86.515753][ T5724] el0_svc_common+0x138/0x258 [ 86.516518][ T5724] do_el0_svc+0x58/0x14c [ 86.517202][ T5724] el0_svc+0x78/0x1e0 [ 86.517889][ T5724] el0t_64_sync_handler+0xcc/0xe4 [ 86.518743][ T5724] el0t_64_sync+0x1a0/0x1a4 [ 86.525370][ T5724] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.527776][ T5724] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.533692][ T5720] loop0: detected capacity change from 0 to 32768 [ 86.568103][ T5720] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.569310][ T5720] CPU: 0 PID: 5720 Comm: syz.0.73 Not tainted syzkaller #0 [ 86.570437][ T5720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.571987][ T5720] Call trace: [ 86.572462][ T5720] dump_backtrace+0x0/0x43c [ 86.573177][ T5720] show_stack+0x2c/0x3c [ 86.573838][ T5720] __dump_stack+0x30/0x40 [ 86.574476][ T5720] dump_stack_lvl+0xf8/0x160 [ 86.575225][ T5720] dump_stack+0x1c/0x5c [ 86.575918][ T5720] sysfs_create_dir_ns+0x22c/0x24c [ 86.576722][ T5720] kobject_add_internal+0x590/0xc54 [ 86.577519][ T5720] kobject_init_and_add+0x118/0x17c [ 86.578296][ T5720] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.578990][ T5720] gfs2_fill_super+0xdac/0x19e0 [ 86.579816][ T5720] get_tree_bdev+0x358/0x544 [ 86.580591][ T5720] gfs2_get_tree+0x54/0x1b4 [ 86.581299][ T5720] vfs_get_tree+0x90/0x274 [ 86.581999][ T5720] do_new_mount+0x228/0x810 [ 86.582708][ T5720] path_mount+0x5b4/0x1000 [ 86.583405][ T5720] __arm64_sys_mount+0x514/0x5e4 [ 86.584208][ T5720] invoke_syscall+0x98/0x2b8 [ 86.584928][ T5720] el0_svc_common+0x138/0x258 [ 86.585684][ T5720] do_el0_svc+0x58/0x14c [ 86.586363][ T5720] el0_svc+0x78/0x1e0 [ 86.586995][ T5720] el0t_64_sync_handler+0xcc/0xe4 [ 86.587766][ T5720] el0t_64_sync+0x1a0/0x1a4 [ 86.612174][ T5720] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.614341][ T5720] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.715696][ T5724] loop1: detected capacity change from 0 to 32768 [ 86.787943][ T5724] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.789159][ T5724] CPU: 1 PID: 5724 Comm: syz.1.75 Not tainted syzkaller #0 [ 86.790264][ T5724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.791749][ T5724] Call trace: [ 86.792258][ T5724] dump_backtrace+0x0/0x43c [ 86.792944][ T5724] show_stack+0x2c/0x3c [ 86.793582][ T5724] __dump_stack+0x30/0x40 [ 86.794324][ T5724] dump_stack_lvl+0xf8/0x160 [ 86.795091][ T5724] dump_stack+0x1c/0x5c [ 86.795806][ T5724] sysfs_create_dir_ns+0x22c/0x24c [ 86.796673][ T5724] kobject_add_internal+0x590/0xc54 [ 86.797530][ T5724] kobject_init_and_add+0x118/0x17c [ 86.798392][ T5724] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.799178][ T5724] gfs2_fill_super+0xdac/0x19e0 [ 86.799977][ T5724] get_tree_bdev+0x358/0x544 [ 86.800675][ T5724] gfs2_get_tree+0x54/0x1b4 [ 86.801365][ T5724] vfs_get_tree+0x90/0x274 [ 86.802060][ T5724] do_new_mount+0x228/0x810 [ 86.802763][ T5724] path_mount+0x5b4/0x1000 [ 86.803461][ T5724] __arm64_sys_mount+0x514/0x5e4 [ 86.804210][ T5724] invoke_syscall+0x98/0x2b8 [ 86.804905][ T5724] el0_svc_common+0x138/0x258 [ 86.805617][ T5724] do_el0_svc+0x58/0x14c [ 86.806281][ T5724] el0_svc+0x78/0x1e0 [ 86.806879][ T5724] el0t_64_sync_handler+0xcc/0xe4 [ 86.807671][ T5724] el0t_64_sync+0x1a0/0x1a4 [ 86.822126][ T5722] loop4: detected capacity change from 0 to 32768 [ 86.826516][ T5724] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.834596][ T5724] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.851122][ T5728] loop0: detected capacity change from 0 to 32768 [ 86.857379][ T5726] loop2: detected capacity change from 0 to 32768 [ 86.860771][ T5722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.861951][ T5722] CPU: 1 PID: 5722 Comm: syz.4.74 Not tainted syzkaller #0 [ 86.863001][ T5722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.864472][ T5722] Call trace: [ 86.864970][ T5722] dump_backtrace+0x0/0x43c [ 86.865632][ T5722] show_stack+0x2c/0x3c [ 86.866253][ T5722] __dump_stack+0x30/0x40 [ 86.866879][ T5722] dump_stack_lvl+0xf8/0x160 [ 86.867609][ T5722] dump_stack+0x1c/0x5c [ 86.868298][ T5722] sysfs_create_dir_ns+0x22c/0x24c [ 86.869125][ T5722] kobject_add_internal+0x590/0xc54 [ 86.869998][ T5722] kobject_init_and_add+0x118/0x17c [ 86.870784][ T5722] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.871471][ T5722] gfs2_fill_super+0xdac/0x19e0 [ 86.872222][ T5722] get_tree_bdev+0x358/0x544 [ 86.872944][ T5722] gfs2_get_tree+0x54/0x1b4 [ 86.873666][ T5722] vfs_get_tree+0x90/0x274 [ 86.874359][ T5722] do_new_mount+0x228/0x810 [ 86.875057][ T5722] path_mount+0x5b4/0x1000 [ 86.875732][ T5722] __arm64_sys_mount+0x514/0x5e4 [ 86.876455][ T5722] invoke_syscall+0x98/0x2b8 [ 86.877233][ T5722] el0_svc_common+0x138/0x258 [ 86.877941][ T5722] do_el0_svc+0x58/0x14c [ 86.878667][ T5722] el0_svc+0x78/0x1e0 [ 86.879328][ T5722] el0t_64_sync_handler+0xcc/0xe4 [ 86.880143][ T5722] el0t_64_sync+0x1a0/0x1a4 [ 86.909017][ T5726] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.910284][ T5726] CPU: 0 PID: 5726 Comm: syz.2.76 Not tainted syzkaller #0 [ 86.911299][ T5726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.912770][ T5726] Call trace: [ 86.913226][ T5726] dump_backtrace+0x0/0x43c [ 86.913915][ T5726] show_stack+0x2c/0x3c [ 86.914469][ T5726] __dump_stack+0x30/0x40 [ 86.915042][ T5726] dump_stack_lvl+0xf8/0x160 [ 86.915351][ T5722] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.915714][ T5726] dump_stack+0x1c/0x5c [ 86.917749][ T5722] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.918284][ T5726] sysfs_create_dir_ns+0x22c/0x24c [ 86.920013][ T5726] kobject_add_internal+0x590/0xc54 [ 86.920781][ T5726] kobject_init_and_add+0x118/0x17c [ 86.921610][ T5726] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.922380][ T5726] gfs2_fill_super+0xdac/0x19e0 [ 86.923138][ T5726] get_tree_bdev+0x358/0x544 [ 86.923864][ T5726] gfs2_get_tree+0x54/0x1b4 [ 86.924567][ T5726] vfs_get_tree+0x90/0x274 [ 86.925298][ T5726] do_new_mount+0x228/0x810 [ 86.926044][ T5726] path_mount+0x5b4/0x1000 [ 86.926754][ T5726] __arm64_sys_mount+0x514/0x5e4 [ 86.927528][ T5726] invoke_syscall+0x98/0x2b8 [ 86.928271][ T5726] el0_svc_common+0x138/0x258 [ 86.929015][ T5726] do_el0_svc+0x58/0x14c [ 86.929658][ T5726] el0_svc+0x78/0x1e0 [ 86.930309][ T5726] el0t_64_sync_handler+0xcc/0xe4 [ 86.931067][ T5726] el0t_64_sync+0x1a0/0x1a4 [ 86.932020][ T5728] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.933107][ T5728] CPU: 0 PID: 5728 Comm: syz.0.77 Not tainted syzkaller #0 [ 86.934242][ T5728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.935641][ T5728] Call trace: [ 86.936104][ T5728] dump_backtrace+0x0/0x43c [ 86.936778][ T5728] show_stack+0x2c/0x3c [ 86.937431][ T5728] __dump_stack+0x30/0x40 [ 86.938098][ T5728] dump_stack_lvl+0xf8/0x160 [ 86.938838][ T5728] dump_stack+0x1c/0x5c [ 86.939469][ T5728] sysfs_create_dir_ns+0x22c/0x24c [ 86.940255][ T5728] kobject_add_internal+0x590/0xc54 [ 86.941040][ T5728] kobject_init_and_add+0x118/0x17c [ 86.941729][ T5728] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.942385][ T5728] gfs2_fill_super+0xdac/0x19e0 [ 86.943156][ T5728] get_tree_bdev+0x358/0x544 [ 86.943857][ T5728] gfs2_get_tree+0x54/0x1b4 [ 86.944534][ T5728] vfs_get_tree+0x90/0x274 [ 86.945210][ T5728] do_new_mount+0x228/0x810 [ 86.945925][ T5728] path_mount+0x5b4/0x1000 [ 86.946637][ T5728] __arm64_sys_mount+0x514/0x5e4 [ 86.947385][ T5728] invoke_syscall+0x98/0x2b8 [ 86.948050][ T5728] el0_svc_common+0x138/0x258 [ 86.948782][ T5728] do_el0_svc+0x58/0x14c [ 86.949457][ T5728] el0_svc+0x78/0x1e0 [ 86.950122][ T5728] el0t_64_sync_handler+0xcc/0xe4 [ 86.950931][ T5728] el0t_64_sync+0x1a0/0x1a4 [ 86.969009][ T5728] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.971099][ T5728] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.977132][ T5726] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.979166][ T5726] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.055072][ T5730] loop1: detected capacity change from 0 to 32768 [ 87.089678][ T5730] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.090955][ T5730] CPU: 0 PID: 5730 Comm: syz.1.78 Not tainted syzkaller #0 [ 87.091979][ T5730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.093426][ T5730] Call trace: [ 87.093884][ T5730] dump_backtrace+0x0/0x43c [ 87.094537][ T5730] show_stack+0x2c/0x3c [ 87.095113][ T5730] __dump_stack+0x30/0x40 [ 87.095717][ T5730] dump_stack_lvl+0xf8/0x160 [ 87.096383][ T5730] dump_stack+0x1c/0x5c [ 87.097063][ T5730] sysfs_create_dir_ns+0x22c/0x24c [ 87.097878][ T5730] kobject_add_internal+0x590/0xc54 [ 87.098630][ T5730] kobject_init_and_add+0x118/0x17c [ 87.099352][ T5730] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.100039][ T5730] gfs2_fill_super+0xdac/0x19e0 [ 87.100769][ T5730] get_tree_bdev+0x358/0x544 [ 87.101478][ T5730] gfs2_get_tree+0x54/0x1b4 [ 87.102193][ T5730] vfs_get_tree+0x90/0x274 [ 87.102909][ T5730] do_new_mount+0x228/0x810 [ 87.103606][ T5730] path_mount+0x5b4/0x1000 [ 87.104263][ T5730] __arm64_sys_mount+0x514/0x5e4 [ 87.105048][ T5730] invoke_syscall+0x98/0x2b8 [ 87.105754][ T5730] el0_svc_common+0x138/0x258 [ 87.106438][ T5730] do_el0_svc+0x58/0x14c [ 87.107057][ T5730] el0_svc+0x78/0x1e0 [ 87.107706][ T5730] el0t_64_sync_handler+0xcc/0xe4 [ 87.108455][ T5730] el0t_64_sync+0x1a0/0x1a4 [ 87.137147][ T5730] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.139017][ T5730] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.155622][ T5732] loop4: detected capacity change from 0 to 32768 [ 87.174217][ T5732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.175417][ T5732] CPU: 1 PID: 5732 Comm: syz.4.79 Not tainted syzkaller #0 [ 87.176626][ T5732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.178254][ T5732] Call trace: [ 87.178798][ T5732] dump_backtrace+0x0/0x43c [ 87.179518][ T5732] show_stack+0x2c/0x3c [ 87.180155][ T5732] __dump_stack+0x30/0x40 [ 87.180831][ T5732] dump_stack_lvl+0xf8/0x160 [ 87.181645][ T5732] dump_stack+0x1c/0x5c [ 87.182282][ T5732] sysfs_create_dir_ns+0x22c/0x24c [ 87.183143][ T5732] kobject_add_internal+0x590/0xc54 [ 87.183993][ T5732] kobject_init_and_add+0x118/0x17c [ 87.184804][ T5732] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.185598][ T5732] gfs2_fill_super+0xdac/0x19e0 [ 87.186402][ T5732] get_tree_bdev+0x358/0x544 [ 87.187153][ T5732] gfs2_get_tree+0x54/0x1b4 [ 87.187901][ T5732] vfs_get_tree+0x90/0x274 [ 87.188573][ T5732] do_new_mount+0x228/0x810 [ 87.189328][ T5732] path_mount+0x5b4/0x1000 [ 87.190074][ T5732] __arm64_sys_mount+0x514/0x5e4 [ 87.190801][ T5732] invoke_syscall+0x98/0x2b8 [ 87.191540][ T5732] el0_svc_common+0x138/0x258 [ 87.192210][ T5732] do_el0_svc+0x58/0x14c [ 87.192842][ T5732] el0_svc+0x78/0x1e0 [ 87.193415][ T5732] el0t_64_sync_handler+0xcc/0xe4 [ 87.194196][ T5732] el0t_64_sync+0x1a0/0x1a4 [ 87.200814][ T5728] loop0: detected capacity change from 0 to 32768 [ 87.221062][ T5732] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.223167][ T5732] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.234852][ T5726] loop2: detected capacity change from 0 to 32768 [ 87.268943][ T5726] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.270066][ T5726] CPU: 1 PID: 5726 Comm: syz.2.76 Not tainted syzkaller #0 [ 87.271060][ T5726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.272544][ T5726] Call trace: [ 87.273074][ T5726] dump_backtrace+0x0/0x43c [ 87.273774][ T5726] show_stack+0x2c/0x3c [ 87.274430][ T5726] __dump_stack+0x30/0x40 [ 87.275058][ T5726] dump_stack_lvl+0xf8/0x160 [ 87.275787][ T5726] dump_stack+0x1c/0x5c [ 87.276330][ T5726] sysfs_create_dir_ns+0x22c/0x24c [ 87.277104][ T5726] kobject_add_internal+0x590/0xc54 [ 87.277835][ T5726] kobject_init_and_add+0x118/0x17c [ 87.278604][ T5726] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.279312][ T5726] gfs2_fill_super+0xdac/0x19e0 [ 87.280091][ T5726] get_tree_bdev+0x358/0x544 [ 87.280889][ T5726] gfs2_get_tree+0x54/0x1b4 [ 87.281605][ T5726] vfs_get_tree+0x90/0x274 [ 87.282353][ T5726] do_new_mount+0x228/0x810 [ 87.283099][ T5726] path_mount+0x5b4/0x1000 [ 87.283813][ T5726] __arm64_sys_mount+0x514/0x5e4 [ 87.284533][ T5726] invoke_syscall+0x98/0x2b8 [ 87.285215][ T5726] el0_svc_common+0x138/0x258 [ 87.285942][ T5726] do_el0_svc+0x58/0x14c [ 87.286649][ T5726] el0_svc+0x78/0x1e0 [ 87.287324][ T5726] el0t_64_sync_handler+0xcc/0xe4 [ 87.288136][ T5726] el0t_64_sync+0x1a0/0x1a4 [ 87.297416][ T5728] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.298547][ T5728] CPU: 0 PID: 5728 Comm: syz.0.77 Not tainted syzkaller #0 [ 87.299627][ T5728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.301053][ T5728] Call trace: [ 87.301533][ T5728] dump_backtrace+0x0/0x43c [ 87.302237][ T5728] show_stack+0x2c/0x3c [ 87.302869][ T5728] __dump_stack+0x30/0x40 [ 87.303579][ T5728] dump_stack_lvl+0xf8/0x160 [ 87.304310][ T5728] dump_stack+0x1c/0x5c [ 87.304973][ T5728] sysfs_create_dir_ns+0x22c/0x24c [ 87.305750][ T5728] kobject_add_internal+0x590/0xc54 [ 87.306596][ T5728] kobject_init_and_add+0x118/0x17c [ 87.307407][ T5728] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.308192][ T5728] gfs2_fill_super+0xdac/0x19e0 [ 87.308987][ T5728] get_tree_bdev+0x358/0x544 [ 87.309784][ T5728] gfs2_get_tree+0x54/0x1b4 [ 87.310455][ T5728] vfs_get_tree+0x90/0x274 [ 87.311076][ T5728] do_new_mount+0x228/0x810 [ 87.311773][ T5728] path_mount+0x5b4/0x1000 [ 87.312480][ T5728] __arm64_sys_mount+0x514/0x5e4 [ 87.313285][ T5728] invoke_syscall+0x98/0x2b8 [ 87.314093][ T5728] el0_svc_common+0x138/0x258 [ 87.314195][ T5726] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.314895][ T5728] do_el0_svc+0x58/0x14c [ 87.316986][ T5726] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.317649][ T5728] el0_svc+0x78/0x1e0 [ 87.319201][ T5728] el0t_64_sync_handler+0xcc/0xe4 [ 87.320019][ T5728] el0t_64_sync+0x1a0/0x1a4 [ 87.349026][ T5730] loop1: detected capacity change from 0 to 32768 [ 87.350311][ T5728] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.352290][ T5728] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.368065][ T5730] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.369150][ T5730] CPU: 0 PID: 5730 Comm: syz.1.78 Not tainted syzkaller #0 [ 87.370278][ T5730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.371681][ T5730] Call trace: [ 87.372136][ T5730] dump_backtrace+0x0/0x43c [ 87.372752][ T5730] show_stack+0x2c/0x3c [ 87.373367][ T5730] __dump_stack+0x30/0x40 [ 87.374019][ T5730] dump_stack_lvl+0xf8/0x160 [ 87.374716][ T5730] dump_stack+0x1c/0x5c [ 87.375336][ T5730] sysfs_create_dir_ns+0x22c/0x24c [ 87.376099][ T5730] kobject_add_internal+0x590/0xc54 [ 87.376872][ T5730] kobject_init_and_add+0x118/0x17c [ 87.377602][ T5730] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.378390][ T5730] gfs2_fill_super+0xdac/0x19e0 [ 87.379208][ T5730] get_tree_bdev+0x358/0x544 [ 87.379886][ T5730] gfs2_get_tree+0x54/0x1b4 [ 87.380604][ T5730] vfs_get_tree+0x90/0x274 [ 87.381294][ T5730] do_new_mount+0x228/0x810 [ 87.382043][ T5730] path_mount+0x5b4/0x1000 [ 87.382714][ T5730] __arm64_sys_mount+0x514/0x5e4 [ 87.383512][ T5730] invoke_syscall+0x98/0x2b8 [ 87.384210][ T5730] el0_svc_common+0x138/0x258 [ 87.384953][ T5730] do_el0_svc+0x58/0x14c [ 87.385622][ T5730] el0_svc+0x78/0x1e0 [ 87.386204][ T5730] el0t_64_sync_handler+0xcc/0xe4 [ 87.386910][ T5730] el0t_64_sync+0x1a0/0x1a4 [ 87.408395][ T5732] loop4: detected capacity change from 0 to 32768 [ 87.408824][ T5730] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.417134][ T5730] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.417247][ T5732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.425327][ T5732] CPU: 1 PID: 5732 Comm: syz.4.79 Not tainted syzkaller #0 [ 87.426513][ T5732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.428039][ T5732] Call trace: [ 87.428630][ T5732] dump_backtrace+0x0/0x43c [ 87.429390][ T5732] show_stack+0x2c/0x3c [ 87.430033][ T5732] __dump_stack+0x30/0x40 [ 87.430715][ T5732] dump_stack_lvl+0xf8/0x160 [ 87.431512][ T5732] dump_stack+0x1c/0x5c [ 87.432179][ T5732] sysfs_create_dir_ns+0x22c/0x24c [ 87.432979][ T5732] kobject_add_internal+0x590/0xc54 [ 87.433824][ T5732] kobject_init_and_add+0x118/0x17c [ 87.434643][ T5732] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.435398][ T5732] gfs2_fill_super+0xdac/0x19e0 [ 87.436215][ T5732] get_tree_bdev+0x358/0x544 [ 87.436964][ T5732] gfs2_get_tree+0x54/0x1b4 [ 87.437638][ T5732] vfs_get_tree+0x90/0x274 [ 87.438358][ T5732] do_new_mount+0x228/0x810 [ 87.439063][ T5732] path_mount+0x5b4/0x1000 [ 87.439830][ T5732] __arm64_sys_mount+0x514/0x5e4 [ 87.440619][ T5732] invoke_syscall+0x98/0x2b8 [ 87.441336][ T5732] el0_svc_common+0x138/0x258 [ 87.442025][ T5732] do_el0_svc+0x58/0x14c [ 87.442647][ T5732] el0_svc+0x78/0x1e0 [ 87.443263][ T5732] el0t_64_sync_handler+0xcc/0xe4 [ 87.444092][ T5732] el0t_64_sync+0x1a0/0x1a4