Warning: Permanently added '10.128.0.107' (ED25519) to the list of known hosts. 1970/01/01 00:00:52 parsed 1 programs [ 53.516504][ T4697] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 54.593190][ T4754] chnl_net:caif_netlink_parms(): no params data found [ 54.649983][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.651248][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.661241][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.663450][ T4754] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.664606][ T4754] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.665991][ T4754] device bridge_slave_0 entered promiscuous mode [ 54.668913][ T4754] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.670074][ T4754] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.671446][ T4754] device bridge_slave_1 entered promiscuous mode [ 54.679978][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.681115][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.682607][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 54.710283][ T4754] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.712718][ T4754] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.722981][ T4754] team0: Port device team_slave_0 added [ 54.727972][ T4754] team0: Port device team_slave_1 added [ 54.736532][ T4754] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.738799][ T4754] 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. [ 54.742842][ T4754] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.745503][ T4754] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.746506][ T4754] 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. [ 54.751638][ T4754] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.807813][ T4754] device hsr_slave_0 entered promiscuous mode [ 54.856913][ T4754] device hsr_slave_1 entered promiscuous mode [ 55.561716][ T4754] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.589016][ T4754] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.618604][ T4754] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 55.668594][ T4754] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.723554][ T4754] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.728546][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.730052][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.733025][ T4754] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.735395][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.737531][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.738999][ T737] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.740043][ T737] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.741411][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.745822][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.747429][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.748925][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.749983][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.754016][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.757517][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.760667][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.762525][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.764084][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.768346][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.770262][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.779592][ T4754] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.781300][ T4754] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.786508][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.788482][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.790460][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.791895][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.793319][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.853875][ T4754] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.857347][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.858477][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.862881][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 55.864452][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.874260][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 55.875709][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.877934][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.879389][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.882225][ T4754] device veth0_vlan entered promiscuous mode [ 55.885517][ T4754] device veth1_vlan entered promiscuous mode [ 55.894066][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.895472][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.897805][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 55.899386][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.901880][ T4754] device veth0_macvtap entered promiscuous mode [ 55.904120][ T4754] device veth1_macvtap entered promiscuous mode [ 55.910303][ T4754] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.911453][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.915568][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 55.917830][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.919379][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.922064][ T4754] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.927029][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.929479][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.931239][ T4754] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.932518][ T4754] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.933779][ T4754] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.935090][ T4754] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:55 executed programs: 0 [ 56.159533][ T4927] chnl_net:caif_netlink_parms(): no params data found [ 56.215523][ T4927] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.218091][ T4927] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.219645][ T4927] device bridge_slave_0 entered promiscuous mode [ 56.228922][ T4927] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.230012][ T4927] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.231415][ T4927] device bridge_slave_1 entered promiscuous mode [ 56.300337][ T4927] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.312986][ T4927] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.327439][ T4927] team0: Port device team_slave_0 added [ 56.329399][ T4927] team0: Port device team_slave_1 added [ 56.347181][ T4929] chnl_net:caif_netlink_parms(): no params data found [ 56.361581][ T4927] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.362715][ T4927] 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. [ 56.367190][ T4927] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.369065][ T4937] chnl_net:caif_netlink_parms(): no params data found [ 56.385669][ T4945] chnl_net:caif_netlink_parms(): no params data found [ 56.391601][ T4927] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.392636][ T4927] 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. [ 56.396204][ T4927] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.436552][ T4944] chnl_net:caif_netlink_parms(): no params data found [ 56.456466][ T4929] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.460800][ T4929] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.462781][ T4929] device bridge_slave_0 entered promiscuous mode [ 56.483631][ T4937] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.484871][ T4937] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.486444][ T4937] device bridge_slave_0 entered promiscuous mode [ 56.493327][ T4929] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.494517][ T4929] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.496074][ T4929] device bridge_slave_1 entered promiscuous mode [ 56.501011][ T4945] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.502123][ T4945] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.503667][ T4945] device bridge_slave_0 entered promiscuous mode [ 56.538349][ T4927] device hsr_slave_0 entered promiscuous mode [ 56.567394][ T4927] device hsr_slave_1 entered promiscuous mode [ 56.616801][ T4927] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.616868][ T4927] Cannot create hsr debugfs directory [ 56.619086][ T4937] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.620143][ T4937] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.621745][ T4937] device bridge_slave_1 entered promiscuous mode [ 56.628796][ T4945] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.629949][ T4945] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.631423][ T4945] device bridge_slave_1 entered promiscuous mode [ 56.639717][ T4929] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.651636][ T4929] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.659007][ T4944] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.660170][ T4944] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.661643][ T4944] device bridge_slave_0 entered promiscuous mode [ 56.670379][ T4937] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.677085][ T4945] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.679935][ T4945] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.681436][ T4944] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.682561][ T4944] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.684075][ T4944] device bridge_slave_1 entered promiscuous mode [ 56.691824][ T4937] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.711933][ T4929] team0: Port device team_slave_0 added [ 56.732032][ T4945] team0: Port device team_slave_0 added [ 56.733769][ T4945] team0: Port device team_slave_1 added [ 56.738400][ T4929] team0: Port device team_slave_1 added [ 56.746241][ T4937] team0: Port device team_slave_0 added [ 56.748816][ T4937] team0: Port device team_slave_1 added [ 56.750859][ T4944] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.765430][ T4929] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.766568][ T4929] 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. [ 56.770944][ T4929] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.773189][ T4945] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.774283][ T4945] 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. [ 56.779080][ T4945] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.781198][ T4937] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.782214][ T4937] 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. [ 56.786407][ T4937] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.789650][ T4944] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.821015][ T4929] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.822138][ T4929] 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. [ 56.825823][ T4929] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.828255][ T4945] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.829288][ T4945] 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. [ 56.832783][ T4945] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.840243][ T4937] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.841290][ T4937] 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. [ 56.845040][ T4937] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.854153][ T4944] team0: Port device team_slave_0 added [ 56.861425][ T4944] team0: Port device team_slave_1 added [ 56.918022][ T4945] device hsr_slave_0 entered promiscuous mode [ 56.966941][ T4945] device hsr_slave_1 entered promiscuous mode [ 56.986864][ T4945] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.988070][ T4945] Cannot create hsr debugfs directory [ 56.994358][ T4944] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.995517][ T4944] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 57.000711][ T4944] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.003444][ T4944] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.004537][ T4944] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 57.009014][ T4944] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.057981][ T4937] device hsr_slave_0 entered promiscuous mode [ 57.086878][ T4937] device hsr_slave_1 entered promiscuous mode [ 57.126744][ T4937] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.127961][ T4937] Cannot create hsr debugfs directory [ 57.167831][ T4929] device hsr_slave_0 entered promiscuous mode [ 57.206938][ T4929] device hsr_slave_1 entered promiscuous mode [ 57.246712][ T4929] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.247894][ T4929] Cannot create hsr debugfs directory [ 57.338042][ T4944] device hsr_slave_0 entered promiscuous mode [ 57.377021][ T4944] device hsr_slave_1 entered promiscuous mode [ 57.426736][ T4944] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.427813][ T4944] Cannot create hsr debugfs directory [ 57.820570][ T4937] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.857965][ T4937] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.920527][ T4929] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.923979][ T4937] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.948108][ T4937] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.978498][ T4945] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.010642][ T4945] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.051396][ T4945] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.086933][ T4154] Bluetooth: hci1: command 0x0409 tx timeout [ 58.088115][ T4154] Bluetooth: hci0: command 0x0409 tx timeout [ 58.098858][ T4945] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.166746][ T4154] Bluetooth: hci2: command 0x0409 tx timeout [ 58.224006][ T4937] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.241768][ T4945] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.247325][ T7] Bluetooth: hci3: command 0x0409 tx timeout [ 58.249335][ T4154] Bluetooth: hci4: command 0x0409 tx timeout [ 58.252175][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.253643][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.257983][ T4937] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.259130][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.260428][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.262968][ T4945] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.268237][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.269788][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.271196][ T590] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.272253][ T590] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.273803][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.275616][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.278833][ T590] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.279854][ T590] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.285855][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.288684][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.290112][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.291585][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.292891][ T590] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.293961][ T590] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.295308][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.297598][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.299102][ T590] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.300202][ T590] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.301452][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.310954][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.313040][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.314930][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.316529][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.318871][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.320512][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.322192][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.331821][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.333723][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.335670][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.339612][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.341318][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.342929][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.344823][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.346237][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.348628][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.351092][ T4937] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.359798][ T4945] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.361830][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.363384][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.364924][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.419046][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.420325][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.423434][ T4945] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.432733][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.434353][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.435556][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.448682][ T4937] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.455498][ T4945] device veth0_vlan entered promiscuous mode [ 58.463365][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.465158][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.467861][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.469237][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.476536][ T4937] device veth0_vlan entered promiscuous mode [ 58.478506][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.480014][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.481654][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.483003][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.488155][ T4937] device veth1_vlan entered promiscuous mode [ 58.493408][ T4945] device veth1_vlan entered promiscuous mode [ 58.512124][ T4937] device veth0_macvtap entered promiscuous mode [ 58.514788][ T4937] device veth1_macvtap entered promiscuous mode [ 58.516216][ T4945] device veth0_macvtap entered promiscuous mode [ 58.523304][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.524803][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.526308][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.528415][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.529871][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.531293][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.532844][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.538700][ T4945] device veth1_macvtap entered promiscuous mode [ 58.541652][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.543115][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.544666][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.549129][ T4937] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 58.550728][ T4937] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.552795][ T4937] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.554795][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.556358][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.561690][ T4945] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 58.563190][ T4945] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.564719][ T4945] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 58.566407][ T4945] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.573326][ T4945] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.574724][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.576225][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.578957][ T4937] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 58.580505][ T4937] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.582419][ T4937] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.583784][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.585331][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.592592][ T4945] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 58.594139][ T4945] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.595504][ T4945] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 58.598230][ T4945] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.600270][ T4945] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.602372][ T4937] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.603659][ T4937] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.605022][ T4937] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.606300][ T4937] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.609542][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.611103][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.625624][ T4945] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.627854][ T4945] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.629118][ T4945] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.630383][ T4945] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.644915][ T349] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.646167][ T349] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.660622][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.672741][ T737] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.673964][ T737] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.675605][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.685166][ T737] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.686543][ T737] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.689503][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.718399][ T737] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.719662][ T737] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.721311][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.951948][ T5211] loop2: detected capacity change from 0 to 32768 [ 58.982647][ T5211] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 58.984017][ T5211] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 59.008291][ T5211] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 59.026383][ T5215] loop3: detected capacity change from 0 to 32768 [ 59.039956][ T5211] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 59.101966][ T5215] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.103094][ T5215] CPU: 1 PID: 5215 Comm: syz.3.18 Not tainted syzkaller #0 [ 59.104089][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.105673][ T5215] Call trace: [ 59.106159][ T5215] dump_backtrace+0x0/0x43c [ 59.106925][ T5215] show_stack+0x2c/0x3c [ 59.107611][ T5215] __dump_stack+0x30/0x40 [ 59.108242][ T5215] dump_stack_lvl+0xf8/0x160 [ 59.108974][ T5215] dump_stack+0x1c/0x5c [ 59.109618][ T5215] sysfs_create_dir_ns+0x22c/0x24c [ 59.110404][ T5215] kobject_add_internal+0x590/0xc54 [ 59.111286][ T5215] kobject_init_and_add+0x118/0x17c [ 59.112142][ T5215] gfs2_sys_fs_add+0x1dc/0x3d8 [ 59.112882][ T5215] gfs2_fill_super+0xdac/0x19e0 [ 59.113664][ T5215] get_tree_bdev+0x358/0x544 [ 59.114425][ T5215] gfs2_get_tree+0x54/0x1b4 [ 59.115119][ T5215] vfs_get_tree+0x90/0x274 [ 59.115812][ T5215] do_new_mount+0x228/0x810 [ 59.116502][ T5215] path_mount+0x5b4/0x1000 [ 59.117233][ T5215] __arm64_sys_mount+0x514/0x5e4 [ 59.118004][ T5215] invoke_syscall+0x98/0x2b8 [ 59.118765][ T5215] el0_svc_common+0x138/0x258 [ 59.119512][ T5215] do_el0_svc+0x58/0x14c [ 59.120178][ T5215] el0_svc+0x78/0x1e0 [ 59.120799][ T5215] el0t_64_sync_handler+0xcc/0xe4 [ 59.121591][ T5215] el0t_64_sync+0x1a0/0x1a4 [ 59.146779][ T5215] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.148947][ T5215] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.406317][ T5215] loop3: detected capacity change from 0 to 32768 [ 59.488097][ T5215] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 59.489472][ T5215] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 59.496504][ T5215] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 59.511704][ T4155] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 59.512709][ T4155] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 59.567634][ T4155] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 54ms [ 59.569516][ T4155] gfs2: fsid=syz:syz.0: jid=0: Done [ 59.570624][ T5215] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 59.621171][ T5264] loop2: detected capacity change from 0 to 32768 [ 59.636179][ T5215] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 59.641634][ T149] [ 59.641980][ T149] ====================================================== [ 59.643039][ T149] WARNING: possible circular locking dependency detected [ 59.644004][ T149] syzkaller #0 Not tainted [ 59.644580][ T149] ------------------------------------------------------ [ 59.645625][ T149] kworker/0:1H/149 is trying to acquire lock: [ 59.646516][ T149] ffff0000d63660e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x374 [ 59.647964][ T149] [ 59.647964][ T149] but task is already holding lock: [ 59.649049][ T149] ffff80001be37c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 59.650894][ T149] [ 59.650894][ T149] which lock already depends on the new lock. [ 59.650894][ T149] [ 59.652511][ T149] [ 59.652511][ T149] the existing dependency chain (in reverse order) is: [ 59.653954][ T149] [ 59.653954][ T149] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 59.655444][ T149] process_one_work+0x6e0/0x1140 [ 59.656277][ T149] worker_thread+0x8f4/0x101c [ 59.657051][ T149] kthread+0x374/0x454 [ 59.657771][ T149] ret_from_fork+0x10/0x20 [ 59.658548][ T149] [ 59.658548][ T149] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 59.659918][ T149] flush_workqueue+0x11c/0x1024 [ 59.660764][ T149] gfs2_gl_hash_clear+0xb8/0x2cc [ 59.661604][ T149] gfs2_put_super+0x614/0x6bc [ 59.662367][ T149] generic_shutdown_super+0x130/0x2f0 [ 59.663254][ T149] kill_block_super+0x70/0xdc [ 59.664062][ T149] gfs2_kill_sb+0xc0/0xd4 [ 59.664810][ T149] deactivate_locked_super+0xb8/0x13c [ 59.665824][ T149] deactivate_super+0xf8/0x118 [ 59.666694][ T149] cleanup_mnt+0x3a4/0x458 [ 59.667513][ T149] __cleanup_mnt+0x20/0x30 [ 59.668270][ T149] task_work_run+0x12c/0x1e0 [ 59.669028][ T149] do_notify_resume+0x24b4/0x3128 [ 59.669892][ T149] el0_svc+0xf0/0x1e0 [ 59.670595][ T149] el0t_64_sync_handler+0xcc/0xe4 [ 59.671524][ T149] el0t_64_sync+0x1a0/0x1a4 [ 59.672294][ T149] [ 59.672294][ T149] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 59.673495][ T149] __lock_acquire+0x2928/0x651c [ 59.674277][ T149] lock_acquire+0x1f4/0x620 [ 59.675051][ T149] down_write+0xbc/0x12c [ 59.675799][ T149] freeze_super+0x54/0x374 [ 59.676529][ T149] freeze_go_sync+0x128/0x31c [ 59.677314][ T149] do_xmote+0x2ec/0xf90 [ 59.678061][ T149] run_queue+0x3fc/0x6c0 [ 59.678827][ T149] glock_work_func+0x208/0x458 [ 59.679656][ T149] process_one_work+0x79c/0x1140 [ 59.680529][ T149] worker_thread+0x8f4/0x101c [ 59.681361][ T149] kthread+0x374/0x454 [ 59.682099][ T149] ret_from_fork+0x10/0x20 [ 59.682877][ T149] [ 59.682877][ T149] other info that might help us debug this: [ 59.682877][ T149] [ 59.684493][ T149] Chain exists of: [ 59.684493][ T149] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 59.684493][ T149] [ 59.687179][ T149] Possible unsafe locking scenario: [ 59.687179][ T149] [ 59.688336][ T149] CPU0 CPU1 [ 59.689165][ T149] ---- ---- [ 59.690036][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 59.691139][ T149] lock((wq_completion)glock_workqueue); [ 59.692442][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 59.693965][ T149] lock(&type->s_umount_key#50); [ 59.694821][ T149] [ 59.694821][ T149] *** DEADLOCK *** [ 59.694821][ T149] [ 59.696160][ T149] 2 locks held by kworker/0:1H/149: [ 59.697003][ T149] #0: ffff0000c6827538 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 59.698734][ T5264] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.698781][ T149] #1: ffff80001be37c00 ((work_completion)(&(&gl->gl_work)->work) [ 59.699921][ T5264] CPU: 1 PID: 5264 Comm: syz.2.20 Not tainted syzkaller #0 [ 59.699928][ T149] ){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 59.702227][ T5264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.703254][ T149] [ 59.703254][ T149] stack backtrace: [ 59.704890][ T5264] Call trace: [ 59.706299][ T5264] dump_backtrace+0x0/0x43c [ 59.707028][ T5264] show_stack+0x2c/0x3c [ 59.707697][ T5264] __dump_stack+0x30/0x40 [ 59.708406][ T5264] dump_stack_lvl+0xf8/0x160 [ 59.709216][ T5264] dump_stack+0x1c/0x5c [ 59.709853][ T5264] sysfs_create_dir_ns+0x22c/0x24c [ 59.710636][ T5264] kobject_add_internal+0x590/0xc54 [ 59.711408][ T5264] kobject_init_and_add+0x118/0x17c [ 59.712170][ T5264] gfs2_sys_fs_add+0x1dc/0x3d8 [ 59.712932][ T5264] gfs2_fill_super+0xdac/0x19e0 [ 59.713726][ T5264] get_tree_bdev+0x358/0x544 [ 59.714471][ T5264] gfs2_get_tree+0x54/0x1b4 [ 59.715204][ T5264] vfs_get_tree+0x90/0x274 [ 59.715893][ T5264] do_new_mount+0x228/0x810 [ 59.716667][ T5264] path_mount+0x5b4/0x1000 [ 59.717404][ T5264] __arm64_sys_mount+0x514/0x5e4 [ 59.718129][ T5264] invoke_syscall+0x98/0x2b8 [ 59.718827][ T5264] el0_svc_common+0x138/0x258 [ 59.719545][ T5264] do_el0_svc+0x58/0x14c [ 59.720240][ T5264] el0_svc+0x78/0x1e0 [ 59.720826][ T5264] el0t_64_sync_handler+0xcc/0xe4 [ 59.721545][ T5264] el0t_64_sync+0x1a0/0x1a4 [ 59.722228][ T149] CPU: 0 PID: 149 Comm: kworker/0:1H Not tainted syzkaller #0 [ 59.723332][ T149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.724890][ T149] Workqueue: glock_workqueue glock_work_func [ 59.725761][ T149] Call trace: [ 59.726232][ T149] dump_backtrace+0x0/0x43c [ 59.726950][ T149] show_stack+0x2c/0x3c [ 59.727658][ T149] __dump_stack+0x30/0x40 [ 59.728389][ T149] dump_stack_lvl+0xf8/0x160 [ 59.729129][ T149] dump_stack+0x1c/0x5c [ 59.729837][ T149] print_circular_bug+0x148/0x1b0 [ 59.730680][ T149] check_noncircular+0x240/0x2d4 [ 59.731440][ T149] __lock_acquire+0x2928/0x651c [ 59.732248][ T149] lock_acquire+0x1f4/0x620 [ 59.732943][ T149] down_write+0xbc/0x12c [ 59.733631][ T149] freeze_super+0x54/0x374 [ 59.734402][ T149] freeze_go_sync+0x128/0x31c [ 59.735133][ T149] do_xmote+0x2ec/0xf90 [ 59.735751][ T149] run_queue+0x3fc/0x6c0 [ 59.736420][ T149] glock_work_func+0x208/0x458 [ 59.737131][ T149] process_one_work+0x79c/0x1140 [ 59.737881][ T149] worker_thread+0x8f4/0x101c [ 59.738578][ T149] kthread+0x374/0x454 [ 59.739180][ T149] ret_from_fork+0x10/0x20 [ 59.754399][ T5264] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.756497][ T5264] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.947639][ T5264] loop2: detected capacity change from 0 to 32768 [ 59.959687][ T5264] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.960902][ T5264] CPU: 1 PID: 5264 Comm: syz.2.20 Not tainted syzkaller #0 [ 59.962032][ T5264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 59.963607][ T5264] Call trace: [ 59.964096][ T5264] dump_backtrace+0x0/0x43c [ 59.964773][ T5264] show_stack+0x2c/0x3c [ 59.965393][ T5264] __dump_stack+0x30/0x40 [ 59.966048][ T5264] dump_stack_lvl+0xf8/0x160 [ 59.966708][ T5264] dump_stack+0x1c/0x5c [ 59.967309][ T5264] sysfs_create_dir_ns+0x22c/0x24c [ 59.968176][ T5264] kobject_add_internal+0x590/0xc54 [ 59.969068][ T5264] kobject_init_and_add+0x118/0x17c [ 59.969894][ T5264] gfs2_sys_fs_add+0x1dc/0x3d8 [ 59.970622][ T5264] gfs2_fill_super+0xdac/0x19e0 [ 59.971329][ T5264] get_tree_bdev+0x358/0x544 [ 59.972024][ T5264] gfs2_get_tree+0x54/0x1b4 [ 59.972784][ T5264] vfs_get_tree+0x90/0x274 [ 59.973546][ T5264] do_new_mount+0x228/0x810 [ 59.974281][ T5264] path_mount+0x5b4/0x1000 [ 59.974984][ T5264] __arm64_sys_mount+0x514/0x5e4 [ 59.975722][ T5264] invoke_syscall+0x98/0x2b8 [ 59.976491][ T5264] el0_svc_common+0x138/0x258 [ 59.977291][ T5264] do_el0_svc+0x58/0x14c [ 59.977987][ T5264] el0_svc+0x78/0x1e0 [ 59.978686][ T5264] el0t_64_sync_handler+0xcc/0xe4 [ 59.979543][ T5264] el0t_64_sync+0x1a0/0x1a4 [ 59.984934][ T5264] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.987366][ T5264] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.166797][ T4070] Bluetooth: hci0: command 0x041b tx timeout [ 60.167859][ T4070] Bluetooth: hci1: command 0x041b tx timeout [ 60.185473][ T5327] loop2: detected capacity change from 0 to 32768 [ 60.231551][ T5327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.232796][ T5327] CPU: 1 PID: 5327 Comm: syz.2.21 Not tainted syzkaller #0 [ 60.233774][ T5327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.235190][ T5327] Call trace: [ 60.235626][ T5327] dump_backtrace+0x0/0x43c [ 60.236248][ T5327] show_stack+0x2c/0x3c [ 60.236874][ T5327] __dump_stack+0x30/0x40 [ 60.237530][ T5327] dump_stack_lvl+0xf8/0x160 [ 60.238280][ T5327] dump_stack+0x1c/0x5c [ 60.239030][ T5327] sysfs_create_dir_ns+0x22c/0x24c [ 60.239833][ T5327] kobject_add_internal+0x590/0xc54 [ 60.240704][ T5327] kobject_init_and_add+0x118/0x17c [ 60.241518][ T5327] gfs2_sys_fs_add+0x1dc/0x3d8 [ 60.242218][ T5327] gfs2_fill_super+0xdac/0x19e0 [ 60.242964][ T5327] get_tree_bdev+0x358/0x544 [ 60.243647][ T5327] gfs2_get_tree+0x54/0x1b4 [ 60.244357][ T5327] vfs_get_tree+0x90/0x274 [ 60.245028][ T5327] do_new_mount+0x228/0x810 [ 60.245717][ T5327] path_mount+0x5b4/0x1000 [ 60.246433][ T5327] __arm64_sys_mount+0x514/0x5e4 [ 60.247236][ T5327] invoke_syscall+0x98/0x2b8 [ 60.247945][ T5327] el0_svc_common+0x138/0x258 [ 60.248619][ T5327] do_el0_svc+0x58/0x14c [ 60.249275][ T5327] el0_svc+0x78/0x1e0 [ 60.249893][ T5327] el0t_64_sync_handler+0xcc/0xe4 [ 60.250740][ T5327] el0t_64_sync+0x1a0/0x1a4 [ 60.253791][ T5327] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.255698][ T5327] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.257492][ T4070] Bluetooth: hci2: command 0x041b tx timeout [ 60.326972][ T4166] Bluetooth: hci4: command 0x041b tx timeout [ 60.336974][ T7] Bluetooth: hci3: command 0x041b tx timeout [ 60.435036][ T5327] loop2: detected capacity change from 0 to 32768 [ 60.441893][ T5327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.443027][ T5327] CPU: 1 PID: 5327 Comm: syz.2.21 Not tainted syzkaller #0 [ 60.444039][ T5327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.445496][ T5327] Call trace: [ 60.445945][ T5327] dump_backtrace+0x0/0x43c [ 60.446631][ T5327] show_stack+0x2c/0x3c [ 60.447308][ T5327] __dump_stack+0x30/0x40 [ 60.447961][ T5327] dump_stack_lvl+0xf8/0x160 [ 60.448652][ T5327] dump_stack+0x1c/0x5c [ 60.449276][ T5327] sysfs_create_dir_ns+0x22c/0x24c [ 60.450049][ T5327] kobject_add_internal+0x590/0xc54 [ 60.450861][ T5327] kobject_init_and_add+0x118/0x17c [ 60.451640][ T5327] gfs2_sys_fs_add+0x1dc/0x3d8 [ 60.452424][ T5327] gfs2_fill_super+0xdac/0x19e0 [ 60.453233][ T5327] get_tree_bdev+0x358/0x544 [ 60.453986][ T5327] gfs2_get_tree+0x54/0x1b4 [ 60.454752][ T5327] vfs_get_tree+0x90/0x274 [ 60.455481][ T5327] do_new_mount+0x228/0x810 [ 60.456180][ T5327] path_mount+0x5b4/0x1000 [ 60.456853][ T5327] __arm64_sys_mount+0x514/0x5e4 [ 60.457605][ T5327] invoke_syscall+0x98/0x2b8 [ 60.458323][ T5327] el0_svc_common+0x138/0x258 [ 60.459079][ T5327] do_el0_svc+0x58/0x14c [ 60.459734][ T5327] el0_svc+0x78/0x1e0 [ 60.460391][ T5327] el0t_64_sync_handler+0xcc/0xe4 [ 60.461181][ T5327] el0t_64_sync+0x1a0/0x1a4 [ 60.463232][ T5327] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.465227][ T5327] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.651747][ T5377] loop2: detected capacity change from 0 to 32768 [ 60.697765][ T5377] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.698918][ T5377] CPU: 1 PID: 5377 Comm: syz.2.22 Not tainted syzkaller #0 [ 60.700037][ T5377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.701620][ T5377] Call trace: [ 60.702138][ T5377] dump_backtrace+0x0/0x43c [ 60.702819][ T5377] show_stack+0x2c/0x3c [ 60.703400][ T5377] __dump_stack+0x30/0x40 [ 60.704118][ T5377] dump_stack_lvl+0xf8/0x160 [ 60.704891][ T5377] dump_stack+0x1c/0x5c [ 60.705557][ T5377] sysfs_create_dir_ns+0x22c/0x24c [ 60.706397][ T5377] kobject_add_internal+0x590/0xc54 [ 60.707164][ T5377] kobject_init_and_add+0x118/0x17c [ 60.707972][ T5377] gfs2_sys_fs_add+0x1dc/0x3d8 [ 60.708744][ T5377] gfs2_fill_super+0xdac/0x19e0 [ 60.709471][ T5377] get_tree_bdev+0x358/0x544 [ 60.710219][ T5377] gfs2_get_tree+0x54/0x1b4 [ 60.710932][ T5377] vfs_get_tree+0x90/0x274 [ 60.711600][ T5377] do_new_mount+0x228/0x810 [ 60.712282][ T5377] path_mount+0x5b4/0x1000 [ 60.713005][ T5377] __arm64_sys_mount+0x514/0x5e4 [ 60.713707][ T5377] invoke_syscall+0x98/0x2b8 [ 60.714450][ T5377] el0_svc_common+0x138/0x258 [ 60.715168][ T5377] do_el0_svc+0x58/0x14c [ 60.715859][ T5377] el0_svc+0x78/0x1e0 [ 60.716431][ T5377] el0t_64_sync_handler+0xcc/0xe4 [ 60.717222][ T5377] el0t_64_sync+0x1a0/0x1a4 [ 60.720812][ T5377] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.722705][ T5377] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.830654][ T5377] loop2: detected capacity change from 0 to 32768 [ 60.834291][ T5377] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.835523][ T5377] CPU: 0 PID: 5377 Comm: syz.2.22 Not tainted syzkaller #0 [ 60.836677][ T5377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 60.838200][ T5377] Call trace: [ 60.838723][ T5377] dump_backtrace+0x0/0x43c [ 60.839498][ T5377] show_stack+0x2c/0x3c [ 60.840197][ T5377] __dump_stack+0x30/0x40 [ 60.840948][ T5377] dump_stack_lvl+0xf8/0x160 [ 60.841734][ T5377] dump_stack+0x1c/0x5c [ 60.842450][ T5377] sysfs_create_dir_ns+0x22c/0x24c [ 60.843321][ T5377] kobject_add_internal+0x590/0xc54 [ 60.844188][ T5377] kobject_init_and_add+0x118/0x17c [ 60.845006][ T5377] gfs2_sys_fs_add+0x1dc/0x3d8 [ 60.845738][ T5377] gfs2_fill_super+0xdac/0x19e0 [ 60.846425][ T5377] get_tree_bdev+0x358/0x544 [ 60.847110][ T5377] gfs2_get_tree+0x54/0x1b4 [ 60.847791][ T5377] vfs_get_tree+0x90/0x274 [ 60.848518][ T5377] do_new_mount+0x228/0x810 [ 60.849222][ T5377] path_mount+0x5b4/0x1000 [ 60.849917][ T5377] __arm64_sys_mount+0x514/0x5e4 [ 60.850662][ T5377] invoke_syscall+0x98/0x2b8 [ 60.851351][ T5377] el0_svc_common+0x138/0x258 [ 60.852098][ T5377] do_el0_svc+0x58/0x14c [ 60.852793][ T5377] el0_svc+0x78/0x1e0 [ 60.853418][ T5377] el0t_64_sync_handler+0xcc/0xe4 [ 60.854201][ T5377] el0t_64_sync+0x1a0/0x1a4 [ 60.857795][ T5377] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.859695][ T5377] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:00 executed programs: 15 [ 61.019106][ T4929] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.049923][ T5433] loop2: detected capacity change from 0 to 32768 [ 61.060648][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.061825][ T5433] CPU: 1 PID: 5433 Comm: syz.2.23 Not tainted syzkaller #0 [ 61.062986][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.064604][ T5433] Call trace: [ 61.065193][ T5433] dump_backtrace+0x0/0x43c [ 61.065892][ T5433] show_stack+0x2c/0x3c [ 61.066505][ T5433] __dump_stack+0x30/0x40 [ 61.067134][ T5433] dump_stack_lvl+0xf8/0x160 [ 61.067846][ T5433] dump_stack+0x1c/0x5c [ 61.068519][ T5433] sysfs_create_dir_ns+0x22c/0x24c [ 61.069328][ T5433] kobject_add_internal+0x590/0xc54 [ 61.070171][ T5433] kobject_init_and_add+0x118/0x17c [ 61.071033][ T5433] gfs2_sys_fs_add+0x1dc/0x3d8 [ 61.071846][ T5433] gfs2_fill_super+0xdac/0x19e0 [ 61.072629][ T5433] get_tree_bdev+0x358/0x544 [ 61.073342][ T5433] gfs2_get_tree+0x54/0x1b4 [ 61.074036][ T5433] vfs_get_tree+0x90/0x274 [ 61.074742][ T5433] do_new_mount+0x228/0x810 [ 61.075432][ T5433] path_mount+0x5b4/0x1000 [ 61.076095][ T5433] __arm64_sys_mount+0x514/0x5e4 [ 61.076847][ T5433] invoke_syscall+0x98/0x2b8 [ 61.077536][ T5433] el0_svc_common+0x138/0x258 [ 61.078260][ T5433] do_el0_svc+0x58/0x14c [ 61.078992][ T5433] el0_svc+0x78/0x1e0 [ 61.079687][ T5433] el0t_64_sync_handler+0xcc/0xe4 [ 61.080541][ T5433] el0t_64_sync+0x1a0/0x1a4 [ 61.082839][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.084892][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.090076][ T4929] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.145813][ T4929] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.270352][ T5433] loop2: detected capacity change from 0 to 32768 [ 61.292378][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.293572][ T5433] CPU: 1 PID: 5433 Comm: syz.2.23 Not tainted syzkaller #0 [ 61.294687][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.296284][ T5433] Call trace: [ 61.296778][ T5433] dump_backtrace+0x0/0x43c [ 61.297455][ T5433] show_stack+0x2c/0x3c [ 61.298168][ T5433] __dump_stack+0x30/0x40 [ 61.298851][ T5433] dump_stack_lvl+0xf8/0x160 [ 61.299558][ T5433] dump_stack+0x1c/0x5c [ 61.300177][ T5433] sysfs_create_dir_ns+0x22c/0x24c [ 61.301069][ T5433] kobject_add_internal+0x590/0xc54 [ 61.301843][ T5433] kobject_init_and_add+0x118/0x17c [ 61.302700][ T5433] gfs2_sys_fs_add+0x1dc/0x3d8 [ 61.303416][ T5433] gfs2_fill_super+0xdac/0x19e0 [ 61.304129][ T5433] get_tree_bdev+0x358/0x544 [ 61.304796][ T5433] gfs2_get_tree+0x54/0x1b4 [ 61.305422][ T5433] vfs_get_tree+0x90/0x274 [ 61.306128][ T5433] do_new_mount+0x228/0x810 [ 61.306826][ T5433] path_mount+0x5b4/0x1000 [ 61.307527][ T5433] __arm64_sys_mount+0x514/0x5e4 [ 61.308222][ T5433] invoke_syscall+0x98/0x2b8 [ 61.308908][ T5433] el0_svc_common+0x138/0x258 [ 61.309594][ T5433] do_el0_svc+0x58/0x14c [ 61.309667][ T4944] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.310249][ T5433] el0_svc+0x78/0x1e0 [ 61.312005][ T5433] el0t_64_sync_handler+0xcc/0xe4 [ 61.312817][ T5433] el0t_64_sync+0x1a0/0x1a4 [ 61.316055][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.318310][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.344905][ T4944] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.390796][ T4927] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.431740][ T5488] loop2: detected capacity change from 0 to 32768 [ 61.446275][ T4944] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.488893][ T4927] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.500250][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.501531][ T5488] CPU: 1 PID: 5488 Comm: syz.2.24 Not tainted syzkaller #0 [ 61.502612][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.504247][ T5488] Call trace: [ 61.504802][ T5488] dump_backtrace+0x0/0x43c [ 61.505543][ T5488] show_stack+0x2c/0x3c [ 61.506255][ T5488] __dump_stack+0x30/0x40 [ 61.506961][ T5488] dump_stack_lvl+0xf8/0x160 [ 61.507686][ T5488] dump_stack+0x1c/0x5c [ 61.508322][ T5488] sysfs_create_dir_ns+0x22c/0x24c [ 61.509199][ T5488] kobject_add_internal+0x590/0xc54 [ 61.510057][ T5488] kobject_init_and_add+0x118/0x17c [ 61.510873][ T5488] gfs2_sys_fs_add+0x1dc/0x3d8 [ 61.511563][ T5488] gfs2_fill_super+0xdac/0x19e0 [ 61.512330][ T5488] get_tree_bdev+0x358/0x544 [ 61.513118][ T5488] gfs2_get_tree+0x54/0x1b4 [ 61.513788][ T5488] vfs_get_tree+0x90/0x274 [ 61.514427][ T5488] do_new_mount+0x228/0x810 [ 61.515109][ T5488] path_mount+0x5b4/0x1000 [ 61.515783][ T5488] __arm64_sys_mount+0x514/0x5e4 [ 61.516511][ T5488] invoke_syscall+0x98/0x2b8 [ 61.517271][ T5488] el0_svc_common+0x138/0x258 [ 61.517958][ T5488] do_el0_svc+0x58/0x14c [ 61.518650][ T5488] el0_svc+0x78/0x1e0 [ 61.519264][ T5488] el0t_64_sync_handler+0xcc/0xe4 [ 61.520055][ T5488] el0t_64_sync+0x1a0/0x1a4 [ 61.522277][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.524194][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.557648][ T4927] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.577689][ T4929] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.628600][ T4944] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.649199][ T5488] loop2: detected capacity change from 0 to 32768 [ 61.662013][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.663215][ T5488] CPU: 0 PID: 5488 Comm: syz.2.24 Not tainted syzkaller #0 [ 61.664366][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.666014][ T5488] Call trace: [ 61.666511][ T5488] dump_backtrace+0x0/0x43c [ 61.667213][ T5488] show_stack+0x2c/0x3c [ 61.667842][ T5488] __dump_stack+0x30/0x40 [ 61.668526][ T5488] dump_stack_lvl+0xf8/0x160 [ 61.669223][ T5488] dump_stack+0x1c/0x5c [ 61.669855][ T5488] sysfs_create_dir_ns+0x22c/0x24c [ 61.670698][ T5488] kobject_add_internal+0x590/0xc54 [ 61.671499][ T5488] kobject_init_and_add+0x118/0x17c [ 61.672311][ T5488] gfs2_sys_fs_add+0x1dc/0x3d8 [ 61.673062][ T5488] gfs2_fill_super+0xdac/0x19e0 [ 61.673899][ T5488] get_tree_bdev+0x358/0x544 [ 61.674631][ T5488] gfs2_get_tree+0x54/0x1b4 [ 61.675347][ T5488] vfs_get_tree+0x90/0x274 [ 61.676047][ T5488] do_new_mount+0x228/0x810 [ 61.676789][ T5488] path_mount+0x5b4/0x1000 [ 61.677558][ T5488] __arm64_sys_mount+0x514/0x5e4 [ 61.678312][ T5488] invoke_syscall+0x98/0x2b8 [ 61.679029][ T5488] el0_svc_common+0x138/0x258 [ 61.679816][ T5488] do_el0_svc+0x58/0x14c [ 61.680546][ T5488] el0_svc+0x78/0x1e0 [ 61.681233][ T5488] el0t_64_sync_handler+0xcc/0xe4 [ 61.682106][ T5488] el0t_64_sync+0x1a0/0x1a4 [ 61.688364][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.690487][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.700279][ T4927] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.739637][ T4929] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.778627][ T4929] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.805380][ T4929] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.884977][ T5535] loop2: detected capacity change from 0 to 32768 [ 61.890722][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.891891][ T5535] CPU: 0 PID: 5535 Comm: syz.2.25 Not tainted syzkaller #0 [ 61.892832][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 61.894234][ T5535] Call trace: [ 61.894687][ T5535] dump_backtrace+0x0/0x43c [ 61.895292][ T5535] show_stack+0x2c/0x3c [ 61.895865][ T5535] __dump_stack+0x30/0x40 [ 61.896484][ T5535] dump_stack_lvl+0xf8/0x160 [ 61.897153][ T5535] dump_stack+0x1c/0x5c [ 61.897403][ T4929] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.897874][ T5535] sysfs_create_dir_ns+0x22c/0x24c [ 61.899684][ T5535] kobject_add_internal+0x590/0xc54 [ 61.900469][ T5535] kobject_init_and_add+0x118/0x17c [ 61.901290][ T5535] gfs2_sys_fs_add+0x1dc/0x3d8 [ 61.902002][ T5535] gfs2_fill_super+0xdac/0x19e0 [ 61.902241][ T4929] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.902761][ T5535] get_tree_bdev+0x358/0x544 [ 61.904397][ T5535] gfs2_get_tree+0x54/0x1b4 [ 61.905025][ T5535] vfs_get_tree+0x90/0x274 [ 61.905646][ T5535] do_new_mount+0x228/0x810 [ 61.906331][ T5535] path_mount+0x5b4/0x1000 [ 61.907020][ T5535] __arm64_sys_mount+0x514/0x5e4 [ 61.907781][ T5535] invoke_syscall+0x98/0x2b8 [ 61.908439][ T5535] el0_svc_common+0x138/0x258 [ 61.909158][ T5535] do_el0_svc+0x58/0x14c [ 61.909714][ T5535] el0_svc+0x78/0x1e0 [ 61.910239][ T5535] el0t_64_sync_handler+0xcc/0xe4 [ 61.910989][ T5535] el0t_64_sync+0x1a0/0x1a4 [ 61.912166][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.913411][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.914715][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.916092][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.916802][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.919271][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.919893][ T590] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.921551][ T590] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.922859][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.924322][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.925693][ T590] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.926761][ T590] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.929301][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.930918][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.932467][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.933908][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.935386][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.937015][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.938515][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.940354][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.941736][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.943164][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.953688][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.955167][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.959499][ T4944] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.963380][ T4944] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.970432][ T4929] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.972924][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.974322][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.975597][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.977522][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.978923][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.979967][ T349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.981232][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.983143][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.984638][ T349] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.985695][ T349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.987720][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.995465][ T4944] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.006133][ T4944] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.027516][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.029000][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.030512][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.032087][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.033449][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.034917][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.036402][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.041902][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.043541][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.044895][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.051473][ T4927] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.055196][ T4927] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.059578][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.061040][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.062086][ T5535] loop2: detected capacity change from 0 to 32768 [ 62.062417][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.064688][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.071481][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.073017][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.073847][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.074422][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.075411][ T5535] CPU: 0 PID: 5535 Comm: syz.2.25 Not tainted syzkaller #0 [ 62.076510][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.077690][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 62.077703][ T5535] Call trace: [ 62.077708][ T5535] dump_backtrace+0x0/0x43c [ 62.081548][ T5535] show_stack+0x2c/0x3c [ 62.081922][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.082159][ T5535] __dump_stack+0x30/0x40 [ 62.084061][ T5535] dump_stack_lvl+0xf8/0x160 [ 62.084843][ T5535] dump_stack+0x1c/0x5c [ 62.085502][ T5535] sysfs_create_dir_ns+0x22c/0x24c [ 62.086309][ T5535] kobject_add_internal+0x590/0xc54 [ 62.087090][ T5535] kobject_init_and_add+0x118/0x17c [ 62.087465][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.087884][ T5535] gfs2_sys_fs_add+0x1dc/0x3d8 [ 62.089499][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.089876][ T5535] gfs2_fill_super+0xdac/0x19e0 [ 62.091807][ T5535] get_tree_bdev+0x358/0x544 [ 62.092460][ T5535] gfs2_get_tree+0x54/0x1b4 [ 62.093095][ T5535] vfs_get_tree+0x90/0x274 [ 62.093614][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.093747][ T5535] do_new_mount+0x228/0x810 [ 62.094819][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.095533][ T5535] path_mount+0x5b4/0x1000 [ 62.097390][ T5535] __arm64_sys_mount+0x514/0x5e4 [ 62.098244][ T5535] invoke_syscall+0x98/0x2b8 [ 62.099034][ T5535] el0_svc_common+0x138/0x258 [ 62.099792][ T5535] do_el0_svc+0x58/0x14c [ 62.100217][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.100436][ T5535] el0_svc+0x78/0x1e0 [ 62.102288][ T5535] el0t_64_sync_handler+0xcc/0xe4 [ 62.103129][ T5535] el0t_64_sync+0x1a0/0x1a4 [ 62.111755][ T4927] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.113345][ T4927] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.114351][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.119765][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.121298][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.121450][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.126386][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.129478][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.131027][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.132641][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.134147][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.135735][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.138093][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.139443][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.140822][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.150022][ T1010] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.151275][ T1010] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.154421][ T4929] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.160391][ T1010] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.161894][ T1010] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.171707][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.173260][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.175009][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.176310][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.179173][ T4929] device veth0_vlan entered promiscuous mode [ 62.181833][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.182964][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.190196][ T4929] device veth1_vlan entered promiscuous mode [ 62.195411][ T4944] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.199893][ T4927] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.201406][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.202876][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.204212][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.205316][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.210645][ T4929] device veth0_macvtap entered promiscuous mode [ 62.212610][ T4929] device veth1_macvtap entered promiscuous mode [ 62.216428][ T4929] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.231189][ T4929] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.232759][ T4929] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.234196][ T4929] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.235650][ T4929] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.239396][ T4929] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.242087][ T4929] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.247767][ T3627] Bluetooth: hci1: command 0x040f tx timeout [ 62.256765][ T3627] Bluetooth: hci0: command 0x040f tx timeout [ 62.260311][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.261929][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.263344][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.264611][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.266035][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.269150][ T4929] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.270723][ T4929] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.272133][ T4929] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.273563][ T4929] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.275019][ T4929] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.279883][ T4929] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.281720][ T4929] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.283593][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.284927][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.286350][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.290333][ T4929] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.291676][ T4929] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.293008][ T4929] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.294462][ T4929] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.302020][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.303582][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.321792][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.323312][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.324682][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.325990][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.326836][ T4159] Bluetooth: hci2: command 0x040f tx timeout [ 62.329641][ T4929] ieee80211 phy13: Selected rate control algorithm 'minstrel_ht' [ 62.333446][ T4927] device veth0_vlan entered promiscuous mode [ 62.339661][ T4927] device veth1_vlan entered promiscuous mode [ 62.344065][ T590] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.345332][ T590] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.346505][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.351035][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.352545][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.355479][ T4929] ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' [ 62.377756][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.379526][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.380871][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.382220][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.383963][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.385228][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.392445][ T5566] loop2: detected capacity change from 0 to 32768 [ 62.393357][ T4944] device veth0_vlan entered promiscuous mode [ 62.399856][ T4944] device veth1_vlan entered promiscuous mode [ 62.405936][ T4944] device veth0_macvtap entered promiscuous mode [ 62.407152][ T4159] Bluetooth: hci3: command 0x040f tx timeout [ 62.407595][ T5566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.408187][ T4159] Bluetooth: hci4: command 0x040f tx timeout [ 62.409179][ T5566] CPU: 0 PID: 5566 Comm: syz.2.26 Not tainted syzkaller #0 [ 62.411178][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 62.412760][ T5566] Call trace: [ 62.413324][ T5566] dump_backtrace+0x0/0x43c [ 62.414093][ T5566] show_stack+0x2c/0x3c [ 62.414802][ T5566] __dump_stack+0x30/0x40 [ 62.415455][ T5566] dump_stack_lvl+0xf8/0x160 [ 62.416197][ T5566] dump_stack+0x1c/0x5c [ 62.416810][ T5566] sysfs_create_dir_ns+0x22c/0x24c [ 62.416878][ T4927] device veth0_macvtap entered promiscuous mode [ 62.417548][ T5566] kobject_add_internal+0x590/0xc54 [ 62.419406][ T5566] kobject_init_and_add+0x118/0x17c [ 62.419638][ T737] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.420185][ T5566] gfs2_sys_fs_add+0x1dc/0x3d8 [ 62.421313][ T737] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.421984][ T5566] gfs2_fill_super+0xdac/0x19e0 [ 62.423757][ T5566] get_tree_bdev+0x358/0x544 [ 62.424322][ T4927] device veth1_macvtap entered promiscuous mode [ 62.424394][ T5566] gfs2_get_tree+0x54/0x1b4 [ 62.425993][ T5566] vfs_get_tree+0x90/0x274 [ 62.426603][ T5566] do_new_mount+0x228/0x810 [ 62.427232][ T5566] path_mount+0x5b4/0x1000 [ 62.427954][ T5566] __arm64_sys_mount+0x514/0x5e4 [ 62.428779][ T5566] invoke_syscall+0x98/0x2b8 [ 62.429552][ T5566] el0_svc_common+0x138/0x258 [ 62.430302][ T5566] do_el0_svc+0x58/0x14c [ 62.430967][ T5566] el0_svc+0x78/0x1e0 [ 62.431394][ T4927] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.431520][ T5566] el0t_64_sync_handler+0xcc/0xe4 [ 62.433149][ T4927] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.433923][ T5566] el0t_64_sync+0x1a0/0x1a4 [ 62.435519][ T4927] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.437898][ T4927] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.439383][ T4927] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.440111][ T5566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.440925][ T4927] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.443041][ T5566] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.444238][ T4927] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.457239][ T4927] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.462541][ T4927] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.463894][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.465385][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.470280][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.471705][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.473120][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.475116][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.476628][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.478400][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.479698][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.482029][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.484350][ T4944] device veth1_macvtap entered promiscuous mode [ 62.499445][ T4944] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.501040][ T4944] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.502407][ T4944] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.503885][ T4944] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.505236][ T4944] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.515033][ T4944] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.516540][ T4944] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.519303][ T4944] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.520780][ T4944] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 62.522528][ T4944] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.524810][ T4944] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.529531][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.530958][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.532311][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.533683][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.535032][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.537480][ T4927] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.538886][ T4927] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.540218][ T4927] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.541750][ T4927] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.543150][ T4927] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.544798][ T4927] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.546377][ T4927] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.550941][ T4927] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.552883][ T4927] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.555145][ T4927] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.565539][ T4927] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.566763][ T5566] loop2: detected capacity change from 0 to 32768 [ 62.569378][ T4927] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.570742][ T4927] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.592616][ T5566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.593784][ T5566] CPU: 0 PID: 5566 Comm: syz.2.26 Not tainted syzkaller #0 [ 62.594806][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 62.596417][ T5566] Call trace: [ 62.596962][ T5566] dump_backtrace+0x0/0x43c [ 62.597643][ T5566] show_stack+0x2c/0x3c [ 62.598321][ T5566] __dump_stack+0x30/0x40 [ 62.599020][ T5566] dump_stack_lvl+0xf8/0x160 [ 62.599723][ T5566] dump_stack+0x1c/0x5c [ 62.600373][ T5566] sysfs_create_dir_ns+0x22c/0x24c [ 62.601250][ T5566] kobject_add_internal+0x590/0xc54 [ 62.602030][ T5566] kobject_init_and_add+0x118/0x17c [ 62.602833][ T5566] gfs2_sys_fs_add+0x1dc/0x3d8 [ 62.603532][ T5566] gfs2_fill_super+0xdac/0x19e0 [ 62.604356][ T5566] get_tree_bdev+0x358/0x544 [ 62.605129][ T5566] gfs2_get_tree+0x54/0x1b4 [ 62.605895][ T5566] vfs_get_tree+0x90/0x274 [ 62.606611][ T5566] do_new_mount+0x228/0x810 [ 62.607243][ T5566] path_mount+0x5b4/0x1000 [ 62.607877][ T5566] __arm64_sys_mount+0x514/0x5e4 [ 62.608613][ T5566] invoke_syscall+0x98/0x2b8 [ 62.609346][ T5566] el0_svc_common+0x138/0x258 [ 62.610049][ T5566] do_el0_svc+0x58/0x14c [ 62.610713][ T5566] el0_svc+0x78/0x1e0 [ 62.611312][ T5566] el0t_64_sync_handler+0xcc/0xe4 [ 62.612069][ T5566] el0t_64_sync+0x1a0/0x1a4 [ 62.615736][ T5566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.616291][ T4944] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.618129][ T5566] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.619565][ T4944] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.622127][ T4944] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.625079][ T4944] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.626816][ T4944] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.629309][ T4944] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.631024][ T4944] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.632627][ T4944] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.634171][ T4944] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 62.635658][ T4944] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.644910][ T4944] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.646088][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.647721][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.649163][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.650634][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.659730][ T4944] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.661170][ T4944] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.662515][ T4944] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.663856][ T4944] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.700406][ T4927] ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' [ 62.716406][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.720317][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.729883][ T5573] loop1: detected capacity change from 0 to 32768 [ 62.731471][ T4927] ieee80211 phy16: Selected rate control algorithm 'minstrel_ht' [ 62.732852][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.739485][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.740688][ T5573] CPU: 0 PID: 5573 Comm: syz.1.16 Not tainted syzkaller #0 [ 62.741735][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 62.743234][ T5573] Call trace: [ 62.743719][ T5573] dump_backtrace+0x0/0x43c [ 62.744355][ T5573] show_stack+0x2c/0x3c [ 62.744972][ T5573] __dump_stack+0x30/0x40 [ 62.745544][ T5573] dump_stack_lvl+0xf8/0x160 [ 62.746236][ T5573] dump_stack+0x1c/0x5c [ 62.746845][ T5573] sysfs_create_dir_ns+0x22c/0x24c [ 62.747558][ T5573] kobject_add_internal+0x590/0xc54 [ 62.748401][ T5573] kobject_init_and_add+0x118/0x17c [ 62.749255][ T5573] gfs2_sys_fs_add+0x1dc/0x3d8 [ 62.749980][ T5573] gfs2_fill_super+0xdac/0x19e0 [ 62.750753][ T5573] get_tree_bdev+0x358/0x544 [ 62.751494][ T5573] gfs2_get_tree+0x54/0x1b4 [ 62.752260][ T5573] vfs_get_tree+0x90/0x274 [ 62.752940][ T5573] do_new_mount+0x228/0x810 [ 62.753659][ T5573] path_mount+0x5b4/0x1000 [ 62.754354][ T5573] __arm64_sys_mount+0x514/0x5e4 [ 62.755115][ T5573] invoke_syscall+0x98/0x2b8 [ 62.755827][ T5573] el0_svc_common+0x138/0x258 [ 62.756589][ T5573] do_el0_svc+0x58/0x14c [ 62.757208][ T5573] el0_svc+0x78/0x1e0 [ 62.757739][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 62.758486][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 62.761367][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.766022][ T4944] ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' [ 62.772556][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.775652][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.777005][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.778175][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.791736][ T590] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.793048][ T590] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.794350][ T737] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.799255][ T4944] ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' [ 62.836053][ T5575] loop2: detected capacity change from 0 to 32768 [ 62.842042][ T737] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.843322][ T737] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.844582][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.868593][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.869843][ T5575] CPU: 1 PID: 5575 Comm: syz.2.27 Not tainted syzkaller #0 [ 62.871022][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 62.872432][ T5575] Call trace: [ 62.872894][ T5575] dump_backtrace+0x0/0x43c [ 62.873531][ T5575] show_stack+0x2c/0x3c [ 62.874100][ T5575] __dump_stack+0x30/0x40 [ 62.874693][ T5575] dump_stack_lvl+0xf8/0x160 [ 62.875301][ T5575] dump_stack+0x1c/0x5c [ 62.875897][ T5575] sysfs_create_dir_ns+0x22c/0x24c [ 62.876612][ T5575] kobject_add_internal+0x590/0xc54 [ 62.877396][ T5575] kobject_init_and_add+0x118/0x17c [ 62.878134][ T5575] gfs2_sys_fs_add+0x1dc/0x3d8 [ 62.878833][ T5575] gfs2_fill_super+0xdac/0x19e0 [ 62.879631][ T5575] get_tree_bdev+0x358/0x544 [ 62.880370][ T5575] gfs2_get_tree+0x54/0x1b4 [ 62.881100][ T5575] vfs_get_tree+0x90/0x274 [ 62.881776][ T5575] do_new_mount+0x228/0x810 [ 62.882444][ T5575] path_mount+0x5b4/0x1000 [ 62.883156][ T5575] __arm64_sys_mount+0x514/0x5e4 [ 62.883927][ T5575] invoke_syscall+0x98/0x2b8 [ 62.884686][ T5575] el0_svc_common+0x138/0x258 [ 62.885469][ T5575] do_el0_svc+0x58/0x14c [ 62.886180][ T5575] el0_svc+0x78/0x1e0 [ 62.886850][ T5575] el0t_64_sync_handler+0xcc/0xe4 [ 62.887734][ T5575] el0t_64_sync+0x1a0/0x1a4 [ 62.910237][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.912329][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.950475][ T5573] loop1: detected capacity change from 0 to 32768 [ 62.968226][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.969496][ T5573] CPU: 0 PID: 5573 Comm: syz.1.16 Not tainted syzkaller #0 [ 62.970600][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 62.972121][ T5573] Call trace: [ 62.972612][ T5573] dump_backtrace+0x0/0x43c [ 62.973240][ T5573] show_stack+0x2c/0x3c [ 62.973869][ T5573] __dump_stack+0x30/0x40 [ 62.974499][ T5573] dump_stack_lvl+0xf8/0x160 [ 62.975159][ T5573] dump_stack+0x1c/0x5c [ 62.975822][ T5573] sysfs_create_dir_ns+0x22c/0x24c [ 62.976621][ T5573] kobject_add_internal+0x590/0xc54 [ 62.977412][ T5573] kobject_init_and_add+0x118/0x17c [ 62.978230][ T5573] gfs2_sys_fs_add+0x1dc/0x3d8 [ 62.978950][ T5573] gfs2_fill_super+0xdac/0x19e0 [ 62.979630][ T5573] get_tree_bdev+0x358/0x544 [ 62.980375][ T5573] gfs2_get_tree+0x54/0x1b4 [ 62.981088][ T5573] vfs_get_tree+0x90/0x274 [ 62.981688][ T5573] do_new_mount+0x228/0x810 [ 62.982364][ T5573] path_mount+0x5b4/0x1000 [ 62.983018][ T5573] __arm64_sys_mount+0x514/0x5e4 [ 62.983700][ T5573] invoke_syscall+0x98/0x2b8 [ 62.984458][ T5573] el0_svc_common+0x138/0x258 [ 62.985172][ T5573] do_el0_svc+0x58/0x14c [ 62.985811][ T5573] el0_svc+0x78/0x1e0 [ 62.986423][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 62.987153][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 63.005477][ T5577] loop0: detected capacity change from 0 to 32768 [ 63.015853][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.017819][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.037116][ T5577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.038321][ T5577] CPU: 1 PID: 5577 Comm: syz.0.15 Not tainted syzkaller #0 [ 63.039422][ T5577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.040944][ T5577] Call trace: [ 63.041401][ T5577] dump_backtrace+0x0/0x43c [ 63.042072][ T5577] show_stack+0x2c/0x3c [ 63.042756][ T5577] __dump_stack+0x30/0x40 [ 63.043419][ T5577] dump_stack_lvl+0xf8/0x160 [ 63.044085][ T5577] dump_stack+0x1c/0x5c [ 63.044666][ T5577] sysfs_create_dir_ns+0x22c/0x24c [ 63.045455][ T5577] kobject_add_internal+0x590/0xc54 [ 63.046241][ T5577] kobject_init_and_add+0x118/0x17c [ 63.047023][ T5577] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.047789][ T5577] gfs2_fill_super+0xdac/0x19e0 [ 63.048543][ T5577] get_tree_bdev+0x358/0x544 [ 63.049226][ T5577] gfs2_get_tree+0x54/0x1b4 [ 63.049942][ T5577] vfs_get_tree+0x90/0x274 [ 63.050593][ T5577] do_new_mount+0x228/0x810 [ 63.051313][ T5577] path_mount+0x5b4/0x1000 [ 63.051973][ T5577] __arm64_sys_mount+0x514/0x5e4 [ 63.052765][ T5577] invoke_syscall+0x98/0x2b8 [ 63.053557][ T5577] el0_svc_common+0x138/0x258 [ 63.054354][ T5577] do_el0_svc+0x58/0x14c [ 63.055066][ T5577] el0_svc+0x78/0x1e0 [ 63.055706][ T5577] el0t_64_sync_handler+0xcc/0xe4 [ 63.056546][ T5577] el0t_64_sync+0x1a0/0x1a4 [ 63.082466][ T5579] loop4: detected capacity change from 0 to 32768 [ 63.083201][ T5577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.085864][ T5577] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.108217][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.109493][ T5579] CPU: 0 PID: 5579 Comm: syz.4.19 Not tainted syzkaller #0 [ 63.110654][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.112233][ T5579] Call trace: [ 63.112767][ T5579] dump_backtrace+0x0/0x43c [ 63.113454][ T5579] show_stack+0x2c/0x3c [ 63.114135][ T5579] __dump_stack+0x30/0x40 [ 63.114817][ T5579] dump_stack_lvl+0xf8/0x160 [ 63.115493][ T5579] dump_stack+0x1c/0x5c [ 63.116131][ T5579] sysfs_create_dir_ns+0x22c/0x24c [ 63.116913][ T5579] kobject_add_internal+0x590/0xc54 [ 63.117753][ T5579] kobject_init_and_add+0x118/0x17c [ 63.118562][ T5579] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.119327][ T5579] gfs2_fill_super+0xdac/0x19e0 [ 63.120115][ T5579] get_tree_bdev+0x358/0x544 [ 63.120826][ T5579] gfs2_get_tree+0x54/0x1b4 [ 63.121582][ T5579] vfs_get_tree+0x90/0x274 [ 63.122306][ T5579] do_new_mount+0x228/0x810 [ 63.123024][ T5579] path_mount+0x5b4/0x1000 [ 63.123723][ T5579] __arm64_sys_mount+0x514/0x5e4 [ 63.124501][ T5579] invoke_syscall+0x98/0x2b8 [ 63.125253][ T5579] el0_svc_common+0x138/0x258 [ 63.125964][ T5579] do_el0_svc+0x58/0x14c [ 63.126594][ T5579] el0_svc+0x78/0x1e0 [ 63.127226][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 63.127957][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 63.144005][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.146118][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.245136][ T5575] loop2: detected capacity change from 0 to 32768 [ 63.279968][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.281240][ T5575] CPU: 1 PID: 5575 Comm: syz.2.27 Not tainted syzkaller #0 [ 63.282432][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.284066][ T5575] Call trace: [ 63.284568][ T5575] dump_backtrace+0x0/0x43c [ 63.285263][ T5575] show_stack+0x2c/0x3c [ 63.285892][ T5575] __dump_stack+0x30/0x40 [ 63.286581][ T5575] dump_stack_lvl+0xf8/0x160 [ 63.287271][ T5575] dump_stack+0x1c/0x5c [ 63.287970][ T5575] sysfs_create_dir_ns+0x22c/0x24c [ 63.288800][ T5575] kobject_add_internal+0x590/0xc54 [ 63.289604][ T5575] kobject_init_and_add+0x118/0x17c [ 63.290399][ T5575] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.291086][ T5575] gfs2_fill_super+0xdac/0x19e0 [ 63.291800][ T5575] get_tree_bdev+0x358/0x544 [ 63.292458][ T5575] gfs2_get_tree+0x54/0x1b4 [ 63.293085][ T5575] vfs_get_tree+0x90/0x274 [ 63.293693][ T5575] do_new_mount+0x228/0x810 [ 63.294323][ T5575] path_mount+0x5b4/0x1000 [ 63.294974][ T5575] __arm64_sys_mount+0x514/0x5e4 [ 63.295654][ T5575] invoke_syscall+0x98/0x2b8 [ 63.296284][ T5575] el0_svc_common+0x138/0x258 [ 63.296939][ T5575] do_el0_svc+0x58/0x14c [ 63.297564][ T5575] el0_svc+0x78/0x1e0 [ 63.298185][ T5575] el0t_64_sync_handler+0xcc/0xe4 [ 63.298978][ T5575] el0t_64_sync+0x1a0/0x1a4 [ 63.317626][ T5581] loop1: detected capacity change from 0 to 32768 [ 63.326998][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.328983][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.357746][ T5581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.359013][ T5581] CPU: 0 PID: 5581 Comm: syz.1.28 Not tainted syzkaller #0 [ 63.360145][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.361642][ T5581] Call trace: [ 63.362128][ T5581] dump_backtrace+0x0/0x43c [ 63.362820][ T5581] show_stack+0x2c/0x3c [ 63.363459][ T5581] __dump_stack+0x30/0x40 [ 63.364129][ T5581] dump_stack_lvl+0xf8/0x160 [ 63.364406][ T5577] loop0: detected capacity change from 0 to 32768 [ 63.364792][ T5581] dump_stack+0x1c/0x5c [ 63.366454][ T5581] sysfs_create_dir_ns+0x22c/0x24c [ 63.367296][ T5581] kobject_add_internal+0x590/0xc54 [ 63.368194][ T5581] kobject_init_and_add+0x118/0x17c [ 63.369055][ T5581] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.369821][ T5581] gfs2_fill_super+0xdac/0x19e0 [ 63.370652][ T5581] get_tree_bdev+0x358/0x544 [ 63.371431][ T5581] gfs2_get_tree+0x54/0x1b4 [ 63.372167][ T5581] vfs_get_tree+0x90/0x274 [ 63.372844][ T5581] do_new_mount+0x228/0x810 [ 63.373500][ T5581] path_mount+0x5b4/0x1000 [ 63.374144][ T5581] __arm64_sys_mount+0x514/0x5e4 [ 63.374970][ T5581] invoke_syscall+0x98/0x2b8 [ 63.375688][ T5581] el0_svc_common+0x138/0x258 [ 63.376404][ T5581] do_el0_svc+0x58/0x14c [ 63.377072][ T5581] el0_svc+0x78/0x1e0 [ 63.377675][ T5581] el0t_64_sync_handler+0xcc/0xe4 [ 63.378385][ T5581] el0t_64_sync+0x1a0/0x1a4 [ 63.382553][ T5581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.384581][ T5581] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.388162][ T5577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.389385][ T5577] CPU: 1 PID: 5577 Comm: syz.0.15 Not tainted syzkaller #0 [ 63.390511][ T5577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.391943][ T5577] Call trace: [ 63.392411][ T5577] dump_backtrace+0x0/0x43c [ 63.393055][ T5577] show_stack+0x2c/0x3c [ 63.393748][ T5577] __dump_stack+0x30/0x40 [ 63.394459][ T5577] dump_stack_lvl+0xf8/0x160 [ 63.395219][ T5577] dump_stack+0x1c/0x5c [ 63.395891][ T5577] sysfs_create_dir_ns+0x22c/0x24c [ 63.396709][ T5577] kobject_add_internal+0x590/0xc54 [ 63.397550][ T5577] kobject_init_and_add+0x118/0x17c [ 63.398391][ T5577] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.399123][ T5577] gfs2_fill_super+0xdac/0x19e0 [ 63.399835][ T5577] get_tree_bdev+0x358/0x544 [ 63.400512][ T5577] gfs2_get_tree+0x54/0x1b4 [ 63.401191][ T5577] vfs_get_tree+0x90/0x274 [ 63.401880][ T5577] do_new_mount+0x228/0x810 [ 63.402613][ T5577] path_mount+0x5b4/0x1000 [ 63.403334][ T5577] __arm64_sys_mount+0x514/0x5e4 [ 63.404073][ T5577] invoke_syscall+0x98/0x2b8 [ 63.404778][ T5577] el0_svc_common+0x138/0x258 [ 63.405470][ T5577] do_el0_svc+0x58/0x14c [ 63.406131][ T5577] el0_svc+0x78/0x1e0 [ 63.406720][ T5577] el0t_64_sync_handler+0xcc/0xe4 [ 63.407580][ T5577] el0t_64_sync+0x1a0/0x1a4 [ 63.413028][ T5577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.414953][ T5577] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.415053][ T5579] loop4: detected capacity change from 0 to 32768 [ 63.470286][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.471492][ T5579] CPU: 0 PID: 5579 Comm: syz.4.19 Not tainted syzkaller #0 [ 63.472543][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.473874][ T5579] Call trace: [ 63.474352][ T5579] dump_backtrace+0x0/0x43c [ 63.475038][ T5579] show_stack+0x2c/0x3c [ 63.475617][ T5579] __dump_stack+0x30/0x40 [ 63.476213][ T5579] dump_stack_lvl+0xf8/0x160 [ 63.476910][ T5579] dump_stack+0x1c/0x5c [ 63.477598][ T5579] sysfs_create_dir_ns+0x22c/0x24c [ 63.478431][ T5579] kobject_add_internal+0x590/0xc54 [ 63.479230][ T5579] kobject_init_and_add+0x118/0x17c [ 63.480069][ T5579] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.480807][ T5579] gfs2_fill_super+0xdac/0x19e0 [ 63.481485][ T5579] get_tree_bdev+0x358/0x544 [ 63.482222][ T5579] gfs2_get_tree+0x54/0x1b4 [ 63.482900][ T5579] vfs_get_tree+0x90/0x274 [ 63.483661][ T5579] do_new_mount+0x228/0x810 [ 63.484422][ T5579] path_mount+0x5b4/0x1000 [ 63.485160][ T5579] __arm64_sys_mount+0x514/0x5e4 [ 63.485937][ T5579] invoke_syscall+0x98/0x2b8 [ 63.486650][ T5579] el0_svc_common+0x138/0x258 [ 63.487403][ T5579] do_el0_svc+0x58/0x14c [ 63.488102][ T5579] el0_svc+0x78/0x1e0 [ 63.488712][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 63.489515][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 63.535668][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.539839][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.638582][ T5584] loop0: detected capacity change from 0 to 32768 [ 63.652969][ T720] device hsr_slave_0 left promiscuous mode [ 63.675272][ T5584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.676430][ T5584] CPU: 0 PID: 5584 Comm: syz.0.29 Not tainted syzkaller #0 [ 63.677519][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.679033][ T5584] Call trace: [ 63.679537][ T5584] dump_backtrace+0x0/0x43c [ 63.680186][ T5584] show_stack+0x2c/0x3c [ 63.680832][ T5584] __dump_stack+0x30/0x40 [ 63.681499][ T5584] dump_stack_lvl+0xf8/0x160 [ 63.682283][ T5584] dump_stack+0x1c/0x5c [ 63.683009][ T5584] sysfs_create_dir_ns+0x22c/0x24c [ 63.683844][ T5584] kobject_add_internal+0x590/0xc54 [ 63.684699][ T5584] kobject_init_and_add+0x118/0x17c [ 63.685600][ T5584] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.686328][ T5584] gfs2_fill_super+0xdac/0x19e0 [ 63.687060][ T5584] get_tree_bdev+0x358/0x544 [ 63.687815][ T5584] gfs2_get_tree+0x54/0x1b4 [ 63.688563][ T5584] vfs_get_tree+0x90/0x274 [ 63.689240][ T5584] do_new_mount+0x228/0x810 [ 63.689922][ T5584] path_mount+0x5b4/0x1000 [ 63.690609][ T5584] __arm64_sys_mount+0x514/0x5e4 [ 63.691388][ T5584] invoke_syscall+0x98/0x2b8 [ 63.692108][ T5584] el0_svc_common+0x138/0x258 [ 63.692886][ T5584] do_el0_svc+0x58/0x14c [ 63.693542][ T5584] el0_svc+0x78/0x1e0 [ 63.694165][ T5584] el0t_64_sync_handler+0xcc/0xe4 [ 63.695000][ T5584] el0t_64_sync+0x1a0/0x1a4 [ 63.707198][ T720] device hsr_slave_1 left promiscuous mode [ 63.719514][ T5581] loop1: detected capacity change from 0 to 32768 [ 63.722342][ T5586] loop2: detected capacity change from 0 to 32768 [ 63.728113][ T5581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.729313][ T5581] CPU: 0 PID: 5581 Comm: syz.1.28 Not tainted syzkaller #0 [ 63.730395][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.732003][ T5581] Call trace: [ 63.732488][ T5581] dump_backtrace+0x0/0x43c [ 63.733174][ T5581] show_stack+0x2c/0x3c [ 63.733783][ T5581] __dump_stack+0x30/0x40 [ 63.734439][ T5581] dump_stack_lvl+0xf8/0x160 [ 63.735130][ T5581] dump_stack+0x1c/0x5c [ 63.735778][ T5581] sysfs_create_dir_ns+0x22c/0x24c [ 63.736608][ T5581] kobject_add_internal+0x590/0xc54 [ 63.737480][ T5581] kobject_init_and_add+0x118/0x17c [ 63.738261][ T5581] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.738956][ T5581] gfs2_fill_super+0xdac/0x19e0 [ 63.739661][ T5581] get_tree_bdev+0x358/0x544 [ 63.740386][ T5581] gfs2_get_tree+0x54/0x1b4 [ 63.741026][ T5581] vfs_get_tree+0x90/0x274 [ 63.741683][ T5581] do_new_mount+0x228/0x810 [ 63.742321][ T5581] path_mount+0x5b4/0x1000 [ 63.742979][ T5581] __arm64_sys_mount+0x514/0x5e4 [ 63.743755][ T5581] invoke_syscall+0x98/0x2b8 [ 63.744418][ T5581] el0_svc_common+0x138/0x258 [ 63.745131][ T5581] do_el0_svc+0x58/0x14c [ 63.745800][ T5581] el0_svc+0x78/0x1e0 [ 63.746375][ T5581] el0t_64_sync_handler+0xcc/0xe4 [ 63.746727][ T5584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.747134][ T5581] el0t_64_sync+0x1a0/0x1a4 [ 63.749205][ T5584] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.771486][ T5581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.773754][ T5581] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.780152][ T5588] loop4: detected capacity change from 0 to 32768 [ 63.798939][ T5586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.800057][ T5586] CPU: 1 PID: 5586 Comm: syz.2.30 Not tainted syzkaller #0 [ 63.801152][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.802573][ T5586] Call trace: [ 63.803036][ T5586] dump_backtrace+0x0/0x43c [ 63.803691][ T5586] show_stack+0x2c/0x3c [ 63.804317][ T5586] __dump_stack+0x30/0x40 [ 63.804977][ T5586] dump_stack_lvl+0xf8/0x160 [ 63.805719][ T5586] dump_stack+0x1c/0x5c [ 63.806389][ T5586] sysfs_create_dir_ns+0x22c/0x24c [ 63.807185][ T5586] kobject_add_internal+0x590/0xc54 [ 63.807954][ T5586] kobject_init_and_add+0x118/0x17c [ 63.808739][ T5586] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.809477][ T5586] gfs2_fill_super+0xdac/0x19e0 [ 63.810284][ T5586] get_tree_bdev+0x358/0x544 [ 63.811058][ T5586] gfs2_get_tree+0x54/0x1b4 [ 63.811742][ T5586] vfs_get_tree+0x90/0x274 [ 63.812426][ T5586] do_new_mount+0x228/0x810 [ 63.813146][ T5586] path_mount+0x5b4/0x1000 [ 63.813907][ T5586] __arm64_sys_mount+0x514/0x5e4 [ 63.814723][ T5586] invoke_syscall+0x98/0x2b8 [ 63.815459][ T5586] el0_svc_common+0x138/0x258 [ 63.816197][ T5586] do_el0_svc+0x58/0x14c [ 63.816911][ T5586] el0_svc+0x78/0x1e0 [ 63.817495][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 63.818319][ T5586] el0t_64_sync+0x1a0/0x1a4 [ 63.826953][ T720] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 63.827695][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.828206][ T720] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 63.829337][ T5588] CPU: 1 PID: 5588 Comm: syz.4.31 Not tainted syzkaller #0 [ 63.831551][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.833127][ T5588] Call trace: [ 63.833647][ T5588] dump_backtrace+0x0/0x43c [ 63.834359][ T5588] show_stack+0x2c/0x3c [ 63.834991][ T5588] __dump_stack+0x30/0x40 [ 63.835731][ T5588] dump_stack_lvl+0xf8/0x160 [ 63.836447][ T5588] dump_stack+0x1c/0x5c [ 63.837113][ T5588] sysfs_create_dir_ns+0x22c/0x24c [ 63.837941][ T5588] kobject_add_internal+0x590/0xc54 [ 63.838800][ T5588] kobject_init_and_add+0x118/0x17c [ 63.839654][ T5588] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.840413][ T5588] gfs2_fill_super+0xdac/0x19e0 [ 63.841151][ T5588] get_tree_bdev+0x358/0x544 [ 63.841847][ T5588] gfs2_get_tree+0x54/0x1b4 [ 63.842528][ T5588] vfs_get_tree+0x90/0x274 [ 63.843219][ T5588] do_new_mount+0x228/0x810 [ 63.843932][ T5588] path_mount+0x5b4/0x1000 [ 63.844646][ T5588] __arm64_sys_mount+0x514/0x5e4 [ 63.845414][ T5588] invoke_syscall+0x98/0x2b8 [ 63.846149][ T5588] el0_svc_common+0x138/0x258 [ 63.846916][ T5588] do_el0_svc+0x58/0x14c [ 63.847582][ T5588] el0_svc+0x78/0x1e0 [ 63.848265][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 63.849074][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 63.850325][ T720] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 63.851405][ T720] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 63.855391][ T720] device bridge_slave_1 left promiscuous mode [ 63.856381][ T720] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.862509][ T5586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.864508][ T5586] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.870652][ T5588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.872647][ T5588] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.897704][ T720] device bridge_slave_0 left promiscuous mode [ 63.898756][ T720] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.910263][ T5584] loop0: detected capacity change from 0 to 32768 [ 63.925739][ T5584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.927538][ T5584] CPU: 0 PID: 5584 Comm: syz.0.29 Not tainted syzkaller #0 [ 63.928655][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 63.930153][ T5584] Call trace: [ 63.930646][ T5584] dump_backtrace+0x0/0x43c [ 63.931310][ T5584] show_stack+0x2c/0x3c [ 63.931951][ T5584] __dump_stack+0x30/0x40 [ 63.932618][ T5584] dump_stack_lvl+0xf8/0x160 [ 63.933288][ T5584] dump_stack+0x1c/0x5c [ 63.933877][ T5584] sysfs_create_dir_ns+0x22c/0x24c [ 63.934672][ T5584] kobject_add_internal+0x590/0xc54 [ 63.935528][ T5584] kobject_init_and_add+0x118/0x17c [ 63.936412][ T5584] gfs2_sys_fs_add+0x1dc/0x3d8 [ 63.937198][ T5584] gfs2_fill_super+0xdac/0x19e0 [ 63.938023][ T5584] get_tree_bdev+0x358/0x544 [ 63.938782][ T5584] gfs2_get_tree+0x54/0x1b4 [ 63.939464][ T5584] vfs_get_tree+0x90/0x274 [ 63.940107][ T5584] do_new_mount+0x228/0x810 [ 63.940857][ T5584] path_mount+0x5b4/0x1000 [ 63.941524][ T5584] __arm64_sys_mount+0x514/0x5e4 [ 63.942281][ T5584] invoke_syscall+0x98/0x2b8 [ 63.943032][ T5584] el0_svc_common+0x138/0x258 [ 63.943754][ T5584] do_el0_svc+0x58/0x14c [ 63.944357][ T5584] el0_svc+0x78/0x1e0 [ 63.944919][ T5584] el0t_64_sync_handler+0xcc/0xe4 [ 63.945707][ T5584] el0t_64_sync+0x1a0/0x1a4 [ 63.966699][ T5584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.968802][ T5584] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.106782][ T720] device veth1_macvtap left promiscuous mode [ 64.107848][ T720] device veth0_macvtap left promiscuous mode [ 64.108791][ T720] device veth1_vlan left promiscuous mode [ 64.109745][ T720] device veth0_vlan left promiscuous mode [ 64.131418][ T5588] loop4: detected capacity change from 0 to 32768 [ 64.136201][ T5591] loop1: detected capacity change from 0 to 32768 [ 64.142995][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.144175][ T5588] CPU: 1 PID: 5588 Comm: syz.4.31 Not tainted syzkaller #0 [ 64.145249][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.146838][ T5588] Call trace: [ 64.147339][ T5588] dump_backtrace+0x0/0x43c [ 64.148032][ T5588] show_stack+0x2c/0x3c [ 64.148672][ T5588] __dump_stack+0x30/0x40 [ 64.149301][ T5588] dump_stack_lvl+0xf8/0x160 [ 64.149957][ T5588] dump_stack+0x1c/0x5c [ 64.150533][ T5588] sysfs_create_dir_ns+0x22c/0x24c [ 64.151274][ T5588] kobject_add_internal+0x590/0xc54 [ 64.152036][ T5588] kobject_init_and_add+0x118/0x17c [ 64.152785][ T5588] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.153540][ T5588] gfs2_fill_super+0xdac/0x19e0 [ 64.154282][ T5588] get_tree_bdev+0x358/0x544 [ 64.155018][ T5588] gfs2_get_tree+0x54/0x1b4 [ 64.155700][ T5588] vfs_get_tree+0x90/0x274 [ 64.156392][ T5588] do_new_mount+0x228/0x810 [ 64.157077][ T5588] path_mount+0x5b4/0x1000 [ 64.157736][ T5588] __arm64_sys_mount+0x514/0x5e4 [ 64.158454][ T5588] invoke_syscall+0x98/0x2b8 [ 64.159093][ T5588] el0_svc_common+0x138/0x258 [ 64.159786][ T5588] do_el0_svc+0x58/0x14c [ 64.160407][ T5588] el0_svc+0x78/0x1e0 [ 64.161047][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 64.161851][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 64.183212][ T5588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.185363][ T5588] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.196513][ T5586] loop2: detected capacity change from 0 to 32768 [ 64.217837][ T5591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.218906][ T5591] CPU: 0 PID: 5591 Comm: syz.1.32 Not tainted syzkaller #0 [ 64.219980][ T5591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.221493][ T5591] Call trace: [ 64.221993][ T5591] dump_backtrace+0x0/0x43c [ 64.222638][ T5591] show_stack+0x2c/0x3c [ 64.223247][ T5591] __dump_stack+0x30/0x40 [ 64.223889][ T5591] dump_stack_lvl+0xf8/0x160 [ 64.224575][ T5591] dump_stack+0x1c/0x5c [ 64.225148][ T5591] sysfs_create_dir_ns+0x22c/0x24c [ 64.225914][ T5591] kobject_add_internal+0x590/0xc54 [ 64.226643][ T5591] kobject_init_and_add+0x118/0x17c [ 64.227377][ T5591] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.228084][ T5591] gfs2_fill_super+0xdac/0x19e0 [ 64.228817][ T5591] get_tree_bdev+0x358/0x544 [ 64.229540][ T5591] gfs2_get_tree+0x54/0x1b4 [ 64.230201][ T5591] vfs_get_tree+0x90/0x274 [ 64.230901][ T5591] do_new_mount+0x228/0x810 [ 64.231564][ T5591] path_mount+0x5b4/0x1000 [ 64.232265][ T5591] __arm64_sys_mount+0x514/0x5e4 [ 64.233072][ T5591] invoke_syscall+0x98/0x2b8 [ 64.233793][ T5591] el0_svc_common+0x138/0x258 [ 64.234453][ T5591] do_el0_svc+0x58/0x14c [ 64.235076][ T5591] el0_svc+0x78/0x1e0 [ 64.235641][ T5591] el0t_64_sync_handler+0xcc/0xe4 [ 64.236456][ T5591] el0t_64_sync+0x1a0/0x1a4 [ 64.239765][ T5586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.240975][ T5586] CPU: 1 PID: 5586 Comm: syz.2.30 Not tainted syzkaller #0 [ 64.242107][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.243671][ T5586] Call trace: [ 64.244147][ T5586] dump_backtrace+0x0/0x43c [ 64.244840][ T5586] show_stack+0x2c/0x3c [ 64.245517][ T5586] __dump_stack+0x30/0x40 [ 64.246191][ T5586] dump_stack_lvl+0xf8/0x160 [ 64.246851][ T5586] dump_stack+0x1c/0x5c [ 64.247436][ T5586] sysfs_create_dir_ns+0x22c/0x24c [ 64.248246][ T5586] kobject_add_internal+0x590/0xc54 [ 64.248997][ T5586] kobject_init_and_add+0x118/0x17c [ 64.249774][ T5586] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.250425][ T5586] gfs2_fill_super+0xdac/0x19e0 [ 64.251129][ T5586] get_tree_bdev+0x358/0x544 [ 64.251756][ T5586] gfs2_get_tree+0x54/0x1b4 [ 64.252367][ T5586] vfs_get_tree+0x90/0x274 [ 64.252452][ T5593] loop0: detected capacity change from 0 to 32768 [ 64.252983][ T5586] do_new_mount+0x228/0x810 [ 64.254584][ T5586] path_mount+0x5b4/0x1000 [ 64.255213][ T5586] __arm64_sys_mount+0x514/0x5e4 [ 64.255901][ T5586] invoke_syscall+0x98/0x2b8 [ 64.256549][ T5586] el0_svc_common+0x138/0x258 [ 64.257267][ T5586] do_el0_svc+0x58/0x14c [ 64.257918][ T5586] el0_svc+0x78/0x1e0 [ 64.258554][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 64.259295][ T5586] el0t_64_sync+0x1a0/0x1a4 [ 64.261465][ T5591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.263544][ T5591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.315763][ T5586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.318664][ T5593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.319963][ T5593] CPU: 0 PID: 5593 Comm: syz.0.33 Not tainted syzkaller #0 [ 64.321008][ T5593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.322649][ T5593] Call trace: [ 64.323166][ T5593] dump_backtrace+0x0/0x43c [ 64.323920][ T5593] show_stack+0x2c/0x3c [ 64.324554][ T5593] __dump_stack+0x30/0x40 [ 64.325256][ T5593] dump_stack_lvl+0xf8/0x160 [ 64.325943][ T5593] dump_stack+0x1c/0x5c [ 64.326571][ T5593] sysfs_create_dir_ns+0x22c/0x24c [ 64.326922][ T4166] Bluetooth: hci0: command 0x0419 tx timeout [ 64.327357][ T5593] kobject_add_internal+0x590/0xc54 [ 64.328641][ T4166] Bluetooth: hci1: command 0x0419 tx timeout [ 64.328991][ T5593] kobject_init_and_add+0x118/0x17c [ 64.330105][ T5586] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.330681][ T5593] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.332209][ T5593] gfs2_fill_super+0xdac/0x19e0 [ 64.332950][ T5593] get_tree_bdev+0x358/0x544 [ 64.333644][ T5593] gfs2_get_tree+0x54/0x1b4 [ 64.334378][ T5593] vfs_get_tree+0x90/0x274 [ 64.335032][ T5593] do_new_mount+0x228/0x810 [ 64.335707][ T5593] path_mount+0x5b4/0x1000 [ 64.336417][ T5593] __arm64_sys_mount+0x514/0x5e4 [ 64.337269][ T5593] invoke_syscall+0x98/0x2b8 [ 64.338000][ T5593] el0_svc_common+0x138/0x258 [ 64.338718][ T5593] do_el0_svc+0x58/0x14c [ 64.339363][ T5593] el0_svc+0x78/0x1e0 [ 64.339964][ T5593] el0t_64_sync_handler+0xcc/0xe4 [ 64.340727][ T5593] el0t_64_sync+0x1a0/0x1a4 [ 64.374139][ T720] team0 (unregistering): Port device team_slave_1 removed [ 64.389043][ T720] team0 (unregistering): Port device team_slave_0 removed [ 64.395975][ T5593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.396035][ T720] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 64.398110][ T5593] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.406911][ T4166] Bluetooth: hci2: command 0x0419 tx timeout [ 64.452130][ T720] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 64.487203][ T4167] Bluetooth: hci4: command 0x0419 tx timeout [ 64.488335][ T4167] Bluetooth: hci3: command 0x0419 tx timeout [ 64.527464][ T5591] loop1: detected capacity change from 0 to 32768 [ 64.537803][ T5595] loop4: detected capacity change from 0 to 32768 [ 64.569092][ T5591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.570159][ T5591] CPU: 0 PID: 5591 Comm: syz.1.32 Not tainted syzkaller #0 [ 64.571252][ T5591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.572869][ T5591] Call trace: [ 64.573354][ T5591] dump_backtrace+0x0/0x43c [ 64.574048][ T5591] show_stack+0x2c/0x3c [ 64.574735][ T5591] __dump_stack+0x30/0x40 [ 64.575417][ T5591] dump_stack_lvl+0xf8/0x160 [ 64.576062][ T5591] dump_stack+0x1c/0x5c [ 64.576666][ T5591] sysfs_create_dir_ns+0x22c/0x24c [ 64.577528][ T5591] kobject_add_internal+0x590/0xc54 [ 64.578331][ T5591] kobject_init_and_add+0x118/0x17c [ 64.579120][ T5591] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.579857][ T5591] gfs2_fill_super+0xdac/0x19e0 [ 64.580644][ T5591] get_tree_bdev+0x358/0x544 [ 64.581384][ T5591] gfs2_get_tree+0x54/0x1b4 [ 64.582085][ T5591] vfs_get_tree+0x90/0x274 [ 64.582760][ T5591] do_new_mount+0x228/0x810 [ 64.583426][ T5591] path_mount+0x5b4/0x1000 [ 64.584087][ T5591] __arm64_sys_mount+0x514/0x5e4 [ 64.584883][ T5591] invoke_syscall+0x98/0x2b8 [ 64.585638][ T5591] el0_svc_common+0x138/0x258 [ 64.586443][ T5591] do_el0_svc+0x58/0x14c [ 64.587113][ T5591] el0_svc+0x78/0x1e0 [ 64.587746][ T5591] el0t_64_sync_handler+0xcc/0xe4 [ 64.588595][ T5591] el0t_64_sync+0x1a0/0x1a4 [ 64.599087][ T5595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.600280][ T5595] CPU: 0 PID: 5595 Comm: syz.4.34 Not tainted syzkaller #0 [ 64.601319][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.601426][ T720] bond0 (unregistering): Released all slaves [ 64.602819][ T5595] Call trace: [ 64.604254][ T5595] dump_backtrace+0x0/0x43c [ 64.604957][ T5595] show_stack+0x2c/0x3c [ 64.605559][ T5595] __dump_stack+0x30/0x40 [ 64.606232][ T5595] dump_stack_lvl+0xf8/0x160 [ 64.606964][ T5595] dump_stack+0x1c/0x5c [ 64.607609][ T5595] sysfs_create_dir_ns+0x22c/0x24c [ 64.608409][ T5595] kobject_add_internal+0x590/0xc54 [ 64.609232][ T5595] kobject_init_and_add+0x118/0x17c [ 64.610038][ T5595] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.610797][ T5595] gfs2_fill_super+0xdac/0x19e0 [ 64.611554][ T5595] get_tree_bdev+0x358/0x544 [ 64.612328][ T5595] gfs2_get_tree+0x54/0x1b4 [ 64.613069][ T5595] vfs_get_tree+0x90/0x274 [ 64.613740][ T5595] do_new_mount+0x228/0x810 [ 64.614428][ T5595] path_mount+0x5b4/0x1000 [ 64.615079][ T5595] __arm64_sys_mount+0x514/0x5e4 [ 64.615848][ T5595] invoke_syscall+0x98/0x2b8 [ 64.616559][ T5595] el0_svc_common+0x138/0x258 [ 64.617303][ T5595] do_el0_svc+0x58/0x14c [ 64.617990][ T5595] el0_svc+0x78/0x1e0 [ 64.618633][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 64.619395][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 64.630676][ T5591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.632991][ T5591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.635330][ T5597] loop2: detected capacity change from 0 to 32768 [ 64.636418][ T5595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.638606][ T5595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.661159][ T5593] loop0: detected capacity change from 0 to 32768 [ 64.678308][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.679457][ T5597] CPU: 0 PID: 5597 Comm: syz.2.35 Not tainted syzkaller #0 [ 64.680590][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.682050][ T5597] Call trace: [ 64.682809][ T5597] dump_backtrace+0x0/0x43c [ 64.683455][ T5597] show_stack+0x2c/0x3c [ 64.684076][ T5597] __dump_stack+0x30/0x40 [ 64.684702][ T5597] dump_stack_lvl+0xf8/0x160 [ 64.685349][ T5597] dump_stack+0x1c/0x5c [ 64.685956][ T5597] sysfs_create_dir_ns+0x22c/0x24c [ 64.686713][ T5597] kobject_add_internal+0x590/0xc54 [ 64.687484][ T5597] kobject_init_and_add+0x118/0x17c [ 64.688293][ T5597] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.689031][ T5597] gfs2_fill_super+0xdac/0x19e0 [ 64.689751][ T5597] get_tree_bdev+0x358/0x544 [ 64.690187][ T5593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.690464][ T5597] gfs2_get_tree+0x54/0x1b4 [ 64.692390][ T5597] vfs_get_tree+0x90/0x274 [ 64.693015][ T5597] do_new_mount+0x228/0x810 [ 64.693677][ T5597] path_mount+0x5b4/0x1000 [ 64.694347][ T5597] __arm64_sys_mount+0x514/0x5e4 [ 64.695144][ T5597] invoke_syscall+0x98/0x2b8 [ 64.695906][ T5597] el0_svc_common+0x138/0x258 [ 64.696596][ T5597] do_el0_svc+0x58/0x14c [ 64.697237][ T5597] el0_svc+0x78/0x1e0 [ 64.697811][ T5597] el0t_64_sync_handler+0xcc/0xe4 [ 64.698562][ T5597] el0t_64_sync+0x1a0/0x1a4 [ 64.701628][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.703583][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.736675][ T5593] CPU: 1 PID: 5593 Comm: syz.0.33 Not tainted syzkaller #0 [ 64.737862][ T5593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.739477][ T5593] Call trace: [ 64.740020][ T5593] dump_backtrace+0x0/0x43c [ 64.740788][ T5593] show_stack+0x2c/0x3c [ 64.741508][ T5593] __dump_stack+0x30/0x40 [ 64.742223][ T5593] dump_stack_lvl+0xf8/0x160 [ 64.742961][ T5593] dump_stack+0x1c/0x5c [ 64.743653][ T5593] sysfs_create_dir_ns+0x22c/0x24c [ 64.744454][ T5593] kobject_add_internal+0x590/0xc54 [ 64.745203][ T5593] kobject_init_and_add+0x118/0x17c [ 64.746060][ T5593] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.746882][ T5593] gfs2_fill_super+0xdac/0x19e0 [ 64.747634][ T5593] get_tree_bdev+0x358/0x544 [ 64.748359][ T5593] gfs2_get_tree+0x54/0x1b4 [ 64.749056][ T5593] vfs_get_tree+0x90/0x274 [ 64.749700][ T5593] do_new_mount+0x228/0x810 [ 64.750375][ T5593] path_mount+0x5b4/0x1000 [ 64.751013][ T5593] __arm64_sys_mount+0x514/0x5e4 [ 64.751768][ T5593] invoke_syscall+0x98/0x2b8 [ 64.752438][ T5593] el0_svc_common+0x138/0x258 [ 64.753175][ T5593] do_el0_svc+0x58/0x14c [ 64.753835][ T5593] el0_svc+0x78/0x1e0 [ 64.754472][ T5593] el0t_64_sync_handler+0xcc/0xe4 [ 64.755236][ T5593] el0t_64_sync+0x1a0/0x1a4 [ 64.794527][ T5593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.798920][ T5593] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.870607][ T5595] loop4: detected capacity change from 0 to 32768 [ 64.873789][ T5595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.874858][ T5595] CPU: 1 PID: 5595 Comm: syz.4.34 Not tainted syzkaller #0 [ 64.875946][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 64.877464][ T5595] Call trace: [ 64.877920][ T5595] dump_backtrace+0x0/0x43c [ 64.878646][ T5595] show_stack+0x2c/0x3c [ 64.879266][ T5595] __dump_stack+0x30/0x40 [ 64.880000][ T5595] dump_stack_lvl+0xf8/0x160 [ 64.880756][ T5595] dump_stack+0x1c/0x5c [ 64.881451][ T5595] sysfs_create_dir_ns+0x22c/0x24c [ 64.882221][ T5595] kobject_add_internal+0x590/0xc54 [ 64.883098][ T5595] kobject_init_and_add+0x118/0x17c [ 64.883946][ T5595] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.884682][ T5595] gfs2_fill_super+0xdac/0x19e0 [ 64.885461][ T5595] get_tree_bdev+0x358/0x544 [ 64.886244][ T5595] gfs2_get_tree+0x54/0x1b4 [ 64.886990][ T5595] vfs_get_tree+0x90/0x274 [ 64.887667][ T5595] do_new_mount+0x228/0x810 [ 64.888343][ T5595] path_mount+0x5b4/0x1000 [ 64.888945][ T5595] __arm64_sys_mount+0x514/0x5e4 [ 64.889680][ T5595] invoke_syscall+0x98/0x2b8 [ 64.890397][ T5595] el0_svc_common+0x138/0x258 [ 64.891128][ T5595] do_el0_svc+0x58/0x14c [ 64.891740][ T5595] el0_svc+0x78/0x1e0 [ 64.892409][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 64.893227][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 64.926708][ T5595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.928668][ T5595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.968276][ T5597] loop2: detected capacity change from 0 to 32768 [ 65.000429][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.001642][ T5597] CPU: 0 PID: 5597 Comm: syz.2.35 Not tainted syzkaller #0 [ 65.002718][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.004180][ T5597] Call trace: [ 65.004637][ T5597] dump_backtrace+0x0/0x43c [ 65.005281][ T5597] show_stack+0x2c/0x3c [ 65.005965][ T5597] __dump_stack+0x30/0x40 [ 65.006668][ T5597] dump_stack_lvl+0xf8/0x160 [ 65.007350][ T5597] dump_stack+0x1c/0x5c [ 65.007966][ T5597] sysfs_create_dir_ns+0x22c/0x24c [ 65.008726][ T5597] kobject_add_internal+0x590/0xc54 [ 65.009512][ T5597] kobject_init_and_add+0x118/0x17c [ 65.010224][ T5597] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.010940][ T5597] gfs2_fill_super+0xdac/0x19e0 [ 65.011786][ T5597] get_tree_bdev+0x358/0x544 [ 65.012573][ T5597] gfs2_get_tree+0x54/0x1b4 [ 65.013293][ T5597] vfs_get_tree+0x90/0x274 [ 65.014015][ T5597] do_new_mount+0x228/0x810 [ 65.014703][ T5597] path_mount+0x5b4/0x1000 [ 65.015381][ T5597] __arm64_sys_mount+0x514/0x5e4 [ 65.016171][ T5597] invoke_syscall+0x98/0x2b8 [ 65.016898][ T5597] el0_svc_common+0x138/0x258 [ 65.017610][ T5597] do_el0_svc+0x58/0x14c [ 65.018257][ T5597] el0_svc+0x78/0x1e0 [ 65.018848][ T5597] el0t_64_sync_handler+0xcc/0xe4 [ 65.019628][ T5597] el0t_64_sync+0x1a0/0x1a4 [ 65.046981][ T5601] loop0: detected capacity change from 0 to 32768 [ 65.049909][ T5599] loop1: detected capacity change from 0 to 32768 [ 65.051125][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.053770][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.054904][ T5601] CPU: 1 PID: 5601 Comm: syz.0.37 Not tainted syzkaller #0 [ 65.055994][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.056972][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.057575][ T5601] Call trace: [ 65.059071][ T5601] dump_backtrace+0x0/0x43c [ 65.059793][ T5601] show_stack+0x2c/0x3c [ 65.060409][ T5601] __dump_stack+0x30/0x40 [ 65.061073][ T5601] dump_stack_lvl+0xf8/0x160 [ 65.061774][ T5601] dump_stack+0x1c/0x5c [ 65.062410][ T5601] sysfs_create_dir_ns+0x22c/0x24c [ 65.063181][ T5601] kobject_add_internal+0x590/0xc54 [ 65.064004][ T5601] kobject_init_and_add+0x118/0x17c [ 65.064831][ T5601] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.065572][ T5601] gfs2_fill_super+0xdac/0x19e0 [ 65.066313][ T5601] get_tree_bdev+0x358/0x544 [ 65.067074][ T5601] gfs2_get_tree+0x54/0x1b4 [ 65.067788][ T5601] vfs_get_tree+0x90/0x274 [ 65.068520][ T5601] do_new_mount+0x228/0x810 [ 65.069247][ T5601] path_mount+0x5b4/0x1000 [ 65.069941][ T5601] __arm64_sys_mount+0x514/0x5e4 [ 65.070760][ T5601] invoke_syscall+0x98/0x2b8 [ 65.071499][ T5601] el0_svc_common+0x138/0x258 [ 65.072265][ T5601] do_el0_svc+0x58/0x14c [ 65.072970][ T5601] el0_svc+0x78/0x1e0 [ 65.073540][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 65.074264][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 65.106945][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.109184][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.110554][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.111688][ T5599] CPU: 0 PID: 5599 Comm: syz.1.36 Not tainted syzkaller #0 [ 65.112811][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.114327][ T5599] Call trace: [ 65.114892][ T5599] dump_backtrace+0x0/0x43c [ 65.115661][ T5599] show_stack+0x2c/0x3c [ 65.116300][ T5599] __dump_stack+0x30/0x40 [ 65.117025][ T5599] dump_stack_lvl+0xf8/0x160 [ 65.117758][ T5599] dump_stack+0x1c/0x5c [ 65.118386][ T5599] sysfs_create_dir_ns+0x22c/0x24c [ 65.119160][ T5599] kobject_add_internal+0x590/0xc54 [ 65.119929][ T5599] kobject_init_and_add+0x118/0x17c [ 65.120777][ T5599] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.121524][ T5599] gfs2_fill_super+0xdac/0x19e0 [ 65.122328][ T5599] get_tree_bdev+0x358/0x544 [ 65.123071][ T5599] gfs2_get_tree+0x54/0x1b4 [ 65.123805][ T5599] vfs_get_tree+0x90/0x274 [ 65.124518][ T5599] do_new_mount+0x228/0x810 [ 65.125286][ T5599] path_mount+0x5b4/0x1000 [ 65.125990][ T5599] __arm64_sys_mount+0x514/0x5e4 [ 65.126815][ T5599] invoke_syscall+0x98/0x2b8 [ 65.127563][ T5599] el0_svc_common+0x138/0x258 [ 65.128300][ T5599] do_el0_svc+0x58/0x14c [ 65.129008][ T5599] el0_svc+0x78/0x1e0 [ 65.129631][ T5599] el0t_64_sync_handler+0xcc/0xe4 [ 65.130419][ T5599] el0t_64_sync+0x1a0/0x1a4 [ 65.136291][ T5603] loop4: detected capacity change from 0 to 32768 [ 65.159365][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.161499][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.191263][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.192358][ T5603] CPU: 1 PID: 5603 Comm: syz.4.38 Not tainted syzkaller #0 [ 65.193512][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.194937][ T5603] Call trace: [ 65.195409][ T5603] dump_backtrace+0x0/0x43c [ 65.196052][ T5603] show_stack+0x2c/0x3c [ 65.196662][ T5603] __dump_stack+0x30/0x40 [ 65.197328][ T5603] dump_stack_lvl+0xf8/0x160 [ 65.198066][ T5603] dump_stack+0x1c/0x5c [ 65.198750][ T5603] sysfs_create_dir_ns+0x22c/0x24c [ 65.199564][ T5603] kobject_add_internal+0x590/0xc54 [ 65.200328][ T5603] kobject_init_and_add+0x118/0x17c [ 65.201074][ T5603] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.201855][ T5603] gfs2_fill_super+0xdac/0x19e0 [ 65.202687][ T5603] get_tree_bdev+0x358/0x544 [ 65.203444][ T5603] gfs2_get_tree+0x54/0x1b4 [ 65.204136][ T5603] vfs_get_tree+0x90/0x274 [ 65.204849][ T5603] do_new_mount+0x228/0x810 [ 65.205567][ T5603] path_mount+0x5b4/0x1000 [ 65.206270][ T5603] __arm64_sys_mount+0x514/0x5e4 [ 65.207012][ T5603] invoke_syscall+0x98/0x2b8 [ 65.207677][ T5603] el0_svc_common+0x138/0x258 [ 65.208432][ T5603] do_el0_svc+0x58/0x14c [ 65.209139][ T5603] el0_svc+0x78/0x1e0 [ 65.209757][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 65.210580][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 65.259026][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.261218][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.284123][ T5605] loop2: detected capacity change from 0 to 32768 [ 65.304094][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.305329][ T5605] CPU: 1 PID: 5605 Comm: syz.2.39 Not tainted syzkaller #0 [ 65.306330][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.307862][ T5605] Call trace: [ 65.308349][ T5605] dump_backtrace+0x0/0x43c [ 65.308988][ T5605] show_stack+0x2c/0x3c [ 65.309646][ T5605] __dump_stack+0x30/0x40 [ 65.310270][ T5605] dump_stack_lvl+0xf8/0x160 [ 65.311003][ T5605] dump_stack+0x1c/0x5c [ 65.311662][ T5605] sysfs_create_dir_ns+0x22c/0x24c [ 65.312480][ T5605] kobject_add_internal+0x590/0xc54 [ 65.313327][ T5605] kobject_init_and_add+0x118/0x17c [ 65.314191][ T5605] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.314935][ T5605] gfs2_fill_super+0xdac/0x19e0 [ 65.315711][ T5605] get_tree_bdev+0x358/0x544 [ 65.316410][ T5605] gfs2_get_tree+0x54/0x1b4 [ 65.317164][ T5605] vfs_get_tree+0x90/0x274 [ 65.317879][ T5605] do_new_mount+0x228/0x810 [ 65.318628][ T5605] path_mount+0x5b4/0x1000 [ 65.319367][ T5605] __arm64_sys_mount+0x514/0x5e4 [ 65.320102][ T5605] invoke_syscall+0x98/0x2b8 [ 65.320805][ T5605] el0_svc_common+0x138/0x258 [ 65.321537][ T5605] do_el0_svc+0x58/0x14c [ 65.322218][ T5605] el0_svc+0x78/0x1e0 [ 65.322839][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 65.323700][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 65.365029][ T5599] loop1: detected capacity change from 0 to 32768 [ 65.365506][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.375596][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.405290][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.406571][ T5599] CPU: 0 PID: 5599 Comm: syz.1.36 Not tainted syzkaller #0 [ 65.407790][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.409470][ T5599] Call trace: [ 65.409973][ T5599] dump_backtrace+0x0/0x43c [ 65.410667][ T5599] show_stack+0x2c/0x3c [ 65.411289][ T5599] __dump_stack+0x30/0x40 [ 65.411986][ T5599] dump_stack_lvl+0xf8/0x160 [ 65.412658][ T5599] dump_stack+0x1c/0x5c [ 65.413370][ T5599] sysfs_create_dir_ns+0x22c/0x24c [ 65.414168][ T5599] kobject_add_internal+0x590/0xc54 [ 65.414944][ T5599] kobject_init_and_add+0x118/0x17c [ 65.415718][ T5599] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.416499][ T5599] gfs2_fill_super+0xdac/0x19e0 [ 65.417256][ T5599] get_tree_bdev+0x358/0x544 [ 65.417999][ T5599] gfs2_get_tree+0x54/0x1b4 [ 65.418748][ T5599] vfs_get_tree+0x90/0x274 [ 65.419409][ T5599] do_new_mount+0x228/0x810 [ 65.420074][ T5599] path_mount+0x5b4/0x1000 [ 65.420779][ T5599] __arm64_sys_mount+0x514/0x5e4 [ 65.421510][ T5599] invoke_syscall+0x98/0x2b8 [ 65.422192][ T5599] el0_svc_common+0x138/0x258 [ 65.422904][ T5599] do_el0_svc+0x58/0x14c [ 65.423533][ T5599] el0_svc+0x78/0x1e0 [ 65.424193][ T5599] el0t_64_sync_handler+0xcc/0xe4 [ 65.424960][ T5599] el0t_64_sync+0x1a0/0x1a4 [ 65.449230][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.453790][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.470706][ T5601] loop0: detected capacity change from 0 to 32768 [ 65.519935][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.521112][ T5601] CPU: 1 PID: 5601 Comm: syz.0.37 Not tainted syzkaller #0 [ 65.522275][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.523843][ T5601] Call trace: [ 65.524342][ T5601] dump_backtrace+0x0/0x43c [ 65.525046][ T5601] show_stack+0x2c/0x3c [ 65.525596][ T5601] __dump_stack+0x30/0x40 [ 65.526213][ T5601] dump_stack_lvl+0xf8/0x160 [ 65.526892][ T5601] dump_stack+0x1c/0x5c [ 65.527564][ T5601] sysfs_create_dir_ns+0x22c/0x24c [ 65.528351][ T5601] kobject_add_internal+0x590/0xc54 [ 65.529139][ T5601] kobject_init_and_add+0x118/0x17c [ 65.530038][ T5601] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.530797][ T5601] gfs2_fill_super+0xdac/0x19e0 [ 65.531439][ T5601] get_tree_bdev+0x358/0x544 [ 65.532138][ T5601] gfs2_get_tree+0x54/0x1b4 [ 65.532890][ T5601] vfs_get_tree+0x90/0x274 [ 65.533597][ T5601] do_new_mount+0x228/0x810 [ 65.534245][ T5601] path_mount+0x5b4/0x1000 [ 65.534920][ T5601] __arm64_sys_mount+0x514/0x5e4 [ 65.535699][ T5601] invoke_syscall+0x98/0x2b8 [ 65.536399][ T5601] el0_svc_common+0x138/0x258 [ 65.537087][ T5601] do_el0_svc+0x58/0x14c [ 65.537790][ T5601] el0_svc+0x78/0x1e0 [ 65.538402][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 65.539118][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 65.547906][ T5603] loop4: detected capacity change from 0 to 32768 [ 65.560601][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.562697][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.583447][ T5605] loop2: detected capacity change from 0 to 32768 [ 65.597272][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.598491][ T5603] CPU: 0 PID: 5603 Comm: syz.4.38 Not tainted syzkaller #0 [ 65.599645][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.601131][ T5603] Call trace: [ 65.601606][ T5603] dump_backtrace+0x0/0x43c [ 65.602273][ T5603] show_stack+0x2c/0x3c [ 65.602887][ T5603] __dump_stack+0x30/0x40 [ 65.603579][ T5603] dump_stack_lvl+0xf8/0x160 [ 65.604299][ T5603] dump_stack+0x1c/0x5c [ 65.604964][ T5603] sysfs_create_dir_ns+0x22c/0x24c [ 65.605761][ T5603] kobject_add_internal+0x590/0xc54 [ 65.606599][ T5603] kobject_init_and_add+0x118/0x17c [ 65.607335][ T5603] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.608017][ T5603] gfs2_fill_super+0xdac/0x19e0 [ 65.608752][ T5603] get_tree_bdev+0x358/0x544 [ 65.609451][ T5603] gfs2_get_tree+0x54/0x1b4 [ 65.610132][ T5603] vfs_get_tree+0x90/0x274 [ 65.610817][ T5603] do_new_mount+0x228/0x810 [ 65.611511][ T5603] path_mount+0x5b4/0x1000 [ 65.612238][ T5603] __arm64_sys_mount+0x514/0x5e4 [ 65.613004][ T5603] invoke_syscall+0x98/0x2b8 [ 65.613686][ T5603] el0_svc_common+0x138/0x258 [ 65.614381][ T5603] do_el0_svc+0x58/0x14c [ 65.615048][ T5603] el0_svc+0x78/0x1e0 [ 65.615636][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 65.616430][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 65.631818][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.633094][ T5605] CPU: 1 PID: 5605 Comm: syz.2.39 Not tainted syzkaller #0 [ 65.634283][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.635844][ T5605] Call trace: [ 65.636331][ T5605] dump_backtrace+0x0/0x43c [ 65.637061][ T5605] show_stack+0x2c/0x3c [ 65.637684][ T5605] __dump_stack+0x30/0x40 [ 65.638400][ T5605] dump_stack_lvl+0xf8/0x160 [ 65.639110][ T5605] dump_stack+0x1c/0x5c [ 65.639742][ T5605] sysfs_create_dir_ns+0x22c/0x24c [ 65.640579][ T5605] kobject_add_internal+0x590/0xc54 [ 65.641378][ T5605] kobject_init_and_add+0x118/0x17c [ 65.642215][ T5605] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.642940][ T5605] gfs2_fill_super+0xdac/0x19e0 [ 65.643700][ T5605] get_tree_bdev+0x358/0x544 [ 65.644419][ T5605] gfs2_get_tree+0x54/0x1b4 [ 65.645128][ T5605] vfs_get_tree+0x90/0x274 [ 65.645797][ T5605] do_new_mount+0x228/0x810 [ 65.646492][ T5605] path_mount+0x5b4/0x1000 [ 65.647210][ T5605] __arm64_sys_mount+0x514/0x5e4 [ 65.648012][ T5605] invoke_syscall+0x98/0x2b8 [ 65.648762][ T5605] el0_svc_common+0x138/0x258 [ 65.649558][ T5605] do_el0_svc+0x58/0x14c [ 65.650261][ T5605] el0_svc+0x78/0x1e0 [ 65.650928][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 65.651738][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 65.667258][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.672901][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.691502][ T5607] loop1: detected capacity change from 0 to 32768 [ 65.693885][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.695756][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.702670][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.703929][ T5607] CPU: 0 PID: 5607 Comm: syz.1.40 Not tainted syzkaller #0 [ 65.705024][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.706560][ T5607] Call trace: [ 65.707029][ T5607] dump_backtrace+0x0/0x43c [ 65.707709][ T5607] show_stack+0x2c/0x3c [ 65.708353][ T5607] __dump_stack+0x30/0x40 [ 65.709059][ T5607] dump_stack_lvl+0xf8/0x160 [ 65.709765][ T5607] dump_stack+0x1c/0x5c [ 65.710394][ T5607] sysfs_create_dir_ns+0x22c/0x24c [ 65.711207][ T5607] kobject_add_internal+0x590/0xc54 [ 65.712001][ T5607] kobject_init_and_add+0x118/0x17c [ 65.712778][ T5607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.713483][ T5607] gfs2_fill_super+0xdac/0x19e0 [ 65.714184][ T5607] get_tree_bdev+0x358/0x544 [ 65.714834][ T5607] gfs2_get_tree+0x54/0x1b4 [ 65.715504][ T5607] vfs_get_tree+0x90/0x274 [ 65.716105][ T5607] do_new_mount+0x228/0x810 [ 65.716734][ T5607] path_mount+0x5b4/0x1000 [ 65.717383][ T5607] __arm64_sys_mount+0x514/0x5e4 [ 65.718174][ T5607] invoke_syscall+0x98/0x2b8 [ 65.718892][ T5607] el0_svc_common+0x138/0x258 [ 65.719572][ T5607] do_el0_svc+0x58/0x14c [ 65.720226][ T5607] el0_svc+0x78/0x1e0 [ 65.720868][ T5607] el0t_64_sync_handler+0xcc/0xe4 [ 65.721693][ T5607] el0t_64_sync+0x1a0/0x1a4 [ 65.731608][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.733626][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.815337][ T5609] loop0: detected capacity change from 0 to 32768 [ 65.860707][ T5609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.861952][ T5609] CPU: 1 PID: 5609 Comm: syz.0.41 Not tainted syzkaller #0 [ 65.863123][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.864696][ T5609] Call trace: [ 65.865225][ T5609] dump_backtrace+0x0/0x43c [ 65.865948][ T5609] show_stack+0x2c/0x3c [ 65.866588][ T5609] __dump_stack+0x30/0x40 [ 65.867323][ T5609] dump_stack_lvl+0xf8/0x160 [ 65.868031][ T5609] dump_stack+0x1c/0x5c [ 65.868693][ T5609] sysfs_create_dir_ns+0x22c/0x24c [ 65.869551][ T5609] kobject_add_internal+0x590/0xc54 [ 65.870345][ T5609] kobject_init_and_add+0x118/0x17c [ 65.871167][ T5609] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.871957][ T5609] gfs2_fill_super+0xdac/0x19e0 [ 65.872698][ T5609] get_tree_bdev+0x358/0x544 [ 65.873502][ T5609] gfs2_get_tree+0x54/0x1b4 [ 65.874201][ T5609] vfs_get_tree+0x90/0x274 [ 65.874997][ T5609] do_new_mount+0x228/0x810 [ 65.875733][ T5609] path_mount+0x5b4/0x1000 [ 65.876447][ T5609] __arm64_sys_mount+0x514/0x5e4 [ 65.877285][ T5609] invoke_syscall+0x98/0x2b8 [ 65.878213][ T5609] el0_svc_common+0x138/0x258 [ 65.878977][ T5609] do_el0_svc+0x58/0x14c [ 65.879622][ T5609] el0_svc+0x78/0x1e0 [ 65.880249][ T5609] el0t_64_sync_handler+0xcc/0xe4 [ 65.881008][ T5609] el0t_64_sync+0x1a0/0x1a4 [ 65.904498][ T5607] loop1: detected capacity change from 0 to 32768 [ 65.916721][ T5609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.918729][ T5609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.947713][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.948900][ T5607] CPU: 0 PID: 5607 Comm: syz.1.40 Not tainted syzkaller #0 [ 65.950045][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 65.951554][ T5607] Call trace: [ 65.952069][ T5607] dump_backtrace+0x0/0x43c [ 65.952777][ T5607] show_stack+0x2c/0x3c [ 65.953428][ T5607] __dump_stack+0x30/0x40 [ 65.954092][ T5607] dump_stack_lvl+0xf8/0x160 [ 65.954814][ T5607] dump_stack+0x1c/0x5c [ 65.955449][ T5607] sysfs_create_dir_ns+0x22c/0x24c [ 65.956348][ T5607] kobject_add_internal+0x590/0xc54 [ 65.957062][ T5611] loop4: detected capacity change from 0 to 32768 [ 65.957147][ T5607] kobject_init_and_add+0x118/0x17c [ 65.958933][ T5607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.959625][ T5607] gfs2_fill_super+0xdac/0x19e0 [ 65.960410][ T5607] get_tree_bdev+0x358/0x544 [ 65.961127][ T5607] gfs2_get_tree+0x54/0x1b4 [ 65.961873][ T5607] vfs_get_tree+0x90/0x274 [ 65.962555][ T5607] do_new_mount+0x228/0x810 [ 65.963251][ T5607] path_mount+0x5b4/0x1000 [ 65.963899][ T5607] __arm64_sys_mount+0x514/0x5e4 [ 65.964624][ T5607] invoke_syscall+0x98/0x2b8 [ 65.965384][ T5607] el0_svc_common+0x138/0x258 [ 65.966207][ T5607] do_el0_svc+0x58/0x14c [ 65.966889][ T5607] el0_svc+0x78/0x1e0 [ 65.967567][ T5607] el0t_64_sync_handler+0xcc/0xe4 [ 65.968412][ T5607] el0t_64_sync+0x1a0/0x1a4 [ 65.981475][ T5613] loop2: detected capacity change from 0 to 32768 [ 65.990990][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.993147][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.017984][ T5611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.019182][ T5611] CPU: 1 PID: 5611 Comm: syz.4.42 Not tainted syzkaller #0 [ 66.020312][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.021858][ T5611] Call trace: [ 66.022402][ T5611] dump_backtrace+0x0/0x43c [ 66.023113][ T5611] show_stack+0x2c/0x3c [ 66.023809][ T5611] __dump_stack+0x30/0x40 [ 66.024478][ T5611] dump_stack_lvl+0xf8/0x160 [ 66.025201][ T5611] dump_stack+0x1c/0x5c [ 66.025842][ T5611] sysfs_create_dir_ns+0x22c/0x24c [ 66.026607][ T5611] kobject_add_internal+0x590/0xc54 [ 66.027399][ T5611] kobject_init_and_add+0x118/0x17c [ 66.028264][ T5611] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.029005][ T5611] gfs2_fill_super+0xdac/0x19e0 [ 66.029755][ T5611] get_tree_bdev+0x358/0x544 [ 66.030475][ T5611] gfs2_get_tree+0x54/0x1b4 [ 66.031188][ T5611] vfs_get_tree+0x90/0x274 [ 66.031833][ T5611] do_new_mount+0x228/0x810 [ 66.032604][ T5611] path_mount+0x5b4/0x1000 [ 66.033234][ T5611] __arm64_sys_mount+0x514/0x5e4 [ 66.033942][ T5611] invoke_syscall+0x98/0x2b8 [ 66.034638][ T5611] el0_svc_common+0x138/0x258 [ 66.035381][ T5611] do_el0_svc+0x58/0x14c [ 66.036014][ T5611] el0_svc+0x78/0x1e0 [ 66.036616][ T5611] el0t_64_sync_handler+0xcc/0xe4 [ 66.037365][ T5611] el0t_64_sync+0x1a0/0x1a4 [ 66.039152][ T5613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.040227][ T5613] CPU: 1 PID: 5613 Comm: syz.2.43 Not tainted syzkaller #0 [ 66.041235][ T5613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.042798][ T5613] Call trace: [ 66.043302][ T5613] dump_backtrace+0x0/0x43c [ 66.043955][ T5613] show_stack+0x2c/0x3c [ 66.044569][ T5613] __dump_stack+0x30/0x40 [ 66.045169][ T5613] dump_stack_lvl+0xf8/0x160 [ 66.045845][ T5613] dump_stack+0x1c/0x5c [ 66.046511][ T5613] sysfs_create_dir_ns+0x22c/0x24c [ 66.047288][ T5613] kobject_add_internal+0x590/0xc54 [ 66.048083][ T5613] kobject_init_and_add+0x118/0x17c [ 66.048870][ T5613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.049621][ T5613] gfs2_fill_super+0xdac/0x19e0 [ 66.050370][ T5613] get_tree_bdev+0x358/0x544 [ 66.051109][ T5613] gfs2_get_tree+0x54/0x1b4 [ 66.051821][ T5613] vfs_get_tree+0x90/0x274 [ 66.052511][ T5613] do_new_mount+0x228/0x810 [ 66.053164][ T5613] path_mount+0x5b4/0x1000 [ 66.053798][ T5613] __arm64_sys_mount+0x514/0x5e4 [ 66.054571][ T5613] invoke_syscall+0x98/0x2b8 [ 66.055227][ T5613] el0_svc_common+0x138/0x258 [ 66.055890][ T5613] do_el0_svc+0x58/0x14c [ 66.056572][ T5613] el0_svc+0x78/0x1e0 [ 66.057150][ T5613] el0t_64_sync_handler+0xcc/0xe4 [ 66.057944][ T5613] el0t_64_sync+0x1a0/0x1a4 [ 66.068727][ T5611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.070836][ T5611] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:06 executed programs: 39 [ 66.087077][ T5613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.089022][ T5613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.163991][ T5609] loop0: detected capacity change from 0 to 32768 [ 66.187333][ T5609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.188511][ T5609] CPU: 0 PID: 5609 Comm: syz.0.41 Not tainted syzkaller #0 [ 66.189537][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.190949][ T5609] Call trace: [ 66.191414][ T5609] dump_backtrace+0x0/0x43c [ 66.192080][ T5609] show_stack+0x2c/0x3c [ 66.192745][ T5609] __dump_stack+0x30/0x40 [ 66.193421][ T5609] dump_stack_lvl+0xf8/0x160 [ 66.194171][ T5609] dump_stack+0x1c/0x5c [ 66.194797][ T5609] sysfs_create_dir_ns+0x22c/0x24c [ 66.195667][ T5609] kobject_add_internal+0x590/0xc54 [ 66.196532][ T5609] kobject_init_and_add+0x118/0x17c [ 66.197330][ T5609] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.198016][ T5609] gfs2_fill_super+0xdac/0x19e0 [ 66.198732][ T5609] get_tree_bdev+0x358/0x544 [ 66.199461][ T5609] gfs2_get_tree+0x54/0x1b4 [ 66.200163][ T5609] vfs_get_tree+0x90/0x274 [ 66.200834][ T5609] do_new_mount+0x228/0x810 [ 66.201532][ T5609] path_mount+0x5b4/0x1000 [ 66.202292][ T5609] __arm64_sys_mount+0x514/0x5e4 [ 66.203067][ T5609] invoke_syscall+0x98/0x2b8 [ 66.203796][ T5609] el0_svc_common+0x138/0x258 [ 66.204532][ T5609] do_el0_svc+0x58/0x14c [ 66.205220][ T5609] el0_svc+0x78/0x1e0 [ 66.205835][ T5609] el0t_64_sync_handler+0xcc/0xe4 [ 66.206619][ T5609] el0t_64_sync+0x1a0/0x1a4 [ 66.256259][ T5609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.259188][ T5609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.271168][ T5615] loop1: detected capacity change from 0 to 32768 [ 66.274020][ T5615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.275113][ T5615] CPU: 0 PID: 5615 Comm: syz.1.44 Not tainted syzkaller #0 [ 66.276258][ T5615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.277954][ T5615] Call trace: [ 66.278485][ T5615] dump_backtrace+0x0/0x43c [ 66.279192][ T5615] show_stack+0x2c/0x3c [ 66.279810][ T5615] __dump_stack+0x30/0x40 [ 66.280478][ T5615] dump_stack_lvl+0xf8/0x160 [ 66.281193][ T5615] dump_stack+0x1c/0x5c [ 66.281820][ T5615] sysfs_create_dir_ns+0x22c/0x24c [ 66.282624][ T5615] kobject_add_internal+0x590/0xc54 [ 66.283433][ T5615] kobject_init_and_add+0x118/0x17c [ 66.284261][ T5615] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.284954][ T5615] gfs2_fill_super+0xdac/0x19e0 [ 66.285700][ T5615] get_tree_bdev+0x358/0x544 [ 66.286424][ T5615] gfs2_get_tree+0x54/0x1b4 [ 66.287147][ T5615] vfs_get_tree+0x90/0x274 [ 66.287812][ T5615] do_new_mount+0x228/0x810 [ 66.288487][ T5615] path_mount+0x5b4/0x1000 [ 66.289132][ T5615] __arm64_sys_mount+0x514/0x5e4 [ 66.289855][ T5615] invoke_syscall+0x98/0x2b8 [ 66.290600][ T5615] el0_svc_common+0x138/0x258 [ 66.291278][ T5615] do_el0_svc+0x58/0x14c [ 66.291914][ T5615] el0_svc+0x78/0x1e0 [ 66.292558][ T5615] el0t_64_sync_handler+0xcc/0xe4 [ 66.293356][ T5615] el0t_64_sync+0x1a0/0x1a4 [ 66.319641][ T5613] loop2: detected capacity change from 0 to 32768 [ 66.321544][ T5613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.322688][ T5613] CPU: 1 PID: 5613 Comm: syz.2.43 Not tainted syzkaller #0 [ 66.323821][ T5613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.325393][ T5613] Call trace: [ 66.325915][ T5613] dump_backtrace+0x0/0x43c [ 66.326642][ T5613] show_stack+0x2c/0x3c [ 66.327358][ T5613] __dump_stack+0x30/0x40 [ 66.328031][ T5613] dump_stack_lvl+0xf8/0x160 [ 66.328718][ T5613] dump_stack+0x1c/0x5c [ 66.329402][ T5613] sysfs_create_dir_ns+0x22c/0x24c [ 66.330184][ T5613] kobject_add_internal+0x590/0xc54 [ 66.331003][ T5613] kobject_init_and_add+0x118/0x17c [ 66.331867][ T5613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.332587][ T5613] gfs2_fill_super+0xdac/0x19e0 [ 66.333314][ T5613] get_tree_bdev+0x358/0x544 [ 66.334044][ T5613] gfs2_get_tree+0x54/0x1b4 [ 66.334687][ T5615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.334702][ T5613] vfs_get_tree+0x90/0x274 [ 66.336717][ T5615] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.337284][ T5613] do_new_mount+0x228/0x810 [ 66.338988][ T5613] path_mount+0x5b4/0x1000 [ 66.339730][ T5613] __arm64_sys_mount+0x514/0x5e4 [ 66.340529][ T5613] invoke_syscall+0x98/0x2b8 [ 66.341279][ T5613] el0_svc_common+0x138/0x258 [ 66.342046][ T5613] do_el0_svc+0x58/0x14c [ 66.342710][ T5613] el0_svc+0x78/0x1e0 [ 66.343275][ T5613] el0t_64_sync_handler+0xcc/0xe4 [ 66.344069][ T5613] el0t_64_sync+0x1a0/0x1a4 [ 66.384580][ T5613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.386587][ T5613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.504751][ T5617] loop0: detected capacity change from 0 to 32768 [ 66.505327][ T5611] loop4: detected capacity change from 0 to 32768 [ 66.523753][ T5617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.524879][ T5617] CPU: 1 PID: 5617 Comm: syz.0.45 Not tainted syzkaller #0 [ 66.526026][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.527541][ T5617] Call trace: [ 66.528021][ T5617] dump_backtrace+0x0/0x43c [ 66.528746][ T5617] show_stack+0x2c/0x3c [ 66.529401][ T5617] __dump_stack+0x30/0x40 [ 66.530142][ T5617] dump_stack_lvl+0xf8/0x160 [ 66.530927][ T5617] dump_stack+0x1c/0x5c [ 66.531637][ T5617] sysfs_create_dir_ns+0x22c/0x24c [ 66.532439][ T5617] kobject_add_internal+0x590/0xc54 [ 66.533269][ T5617] kobject_init_and_add+0x118/0x17c [ 66.534163][ T5617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.534942][ T5617] gfs2_fill_super+0xdac/0x19e0 [ 66.535675][ T5617] get_tree_bdev+0x358/0x544 [ 66.536387][ T5617] gfs2_get_tree+0x54/0x1b4 [ 66.537119][ T5617] vfs_get_tree+0x90/0x274 [ 66.537781][ T5617] do_new_mount+0x228/0x810 [ 66.538466][ T5617] path_mount+0x5b4/0x1000 [ 66.539125][ T5617] __arm64_sys_mount+0x514/0x5e4 [ 66.539920][ T5617] invoke_syscall+0x98/0x2b8 [ 66.540730][ T5617] el0_svc_common+0x138/0x258 [ 66.541507][ T5617] do_el0_svc+0x58/0x14c [ 66.542211][ T5617] el0_svc+0x78/0x1e0 [ 66.542821][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 66.543644][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 66.565058][ T5617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.567570][ T5611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.568765][ T5611] CPU: 0 PID: 5611 Comm: syz.4.42 Not tainted syzkaller #0 [ 66.569812][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.571299][ T5611] Call trace: [ 66.571763][ T5611] dump_backtrace+0x0/0x43c [ 66.572465][ T5611] show_stack+0x2c/0x3c [ 66.573052][ T5611] __dump_stack+0x30/0x40 [ 66.573622][ T5611] dump_stack_lvl+0xf8/0x160 [ 66.574362][ T5611] dump_stack+0x1c/0x5c [ 66.575001][ T5611] sysfs_create_dir_ns+0x22c/0x24c [ 66.575166][ T5617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.575790][ T5611] kobject_add_internal+0x590/0xc54 [ 66.577592][ T5611] kobject_init_and_add+0x118/0x17c [ 66.578477][ T5611] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.579296][ T5611] gfs2_fill_super+0xdac/0x19e0 [ 66.580093][ T5611] get_tree_bdev+0x358/0x544 [ 66.580860][ T5611] gfs2_get_tree+0x54/0x1b4 [ 66.581591][ T5611] vfs_get_tree+0x90/0x274 [ 66.582310][ T5611] do_new_mount+0x228/0x810 [ 66.583061][ T5611] path_mount+0x5b4/0x1000 [ 66.583769][ T5611] __arm64_sys_mount+0x514/0x5e4 [ 66.584575][ T5611] invoke_syscall+0x98/0x2b8 [ 66.585329][ T5611] el0_svc_common+0x138/0x258 [ 66.586070][ T5611] do_el0_svc+0x58/0x14c [ 66.586727][ T5611] el0_svc+0x78/0x1e0 [ 66.587305][ T5611] el0t_64_sync_handler+0xcc/0xe4 [ 66.588131][ T5611] el0t_64_sync+0x1a0/0x1a4 [ 66.609933][ T5619] loop2: detected capacity change from 0 to 32768 [ 66.615864][ T5615] loop1: detected capacity change from 0 to 32768 [ 66.616200][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.618762][ T5619] CPU: 1 PID: 5619 Comm: syz.2.46 Not tainted syzkaller #0 [ 66.619852][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.620470][ T5611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.621513][ T5619] Call trace: [ 66.623403][ T5611] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.623921][ T5619] dump_backtrace+0x0/0x43c [ 66.625377][ T5619] show_stack+0x2c/0x3c [ 66.625975][ T5619] __dump_stack+0x30/0x40 [ 66.626692][ T5619] dump_stack_lvl+0xf8/0x160 [ 66.627387][ T5619] dump_stack+0x1c/0x5c [ 66.628032][ T5619] sysfs_create_dir_ns+0x22c/0x24c [ 66.628795][ T5619] kobject_add_internal+0x590/0xc54 [ 66.629604][ T5619] kobject_init_and_add+0x118/0x17c [ 66.630433][ T5619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.631195][ T5619] gfs2_fill_super+0xdac/0x19e0 [ 66.631885][ T5619] get_tree_bdev+0x358/0x544 [ 66.632518][ T5619] gfs2_get_tree+0x54/0x1b4 [ 66.633292][ T5619] vfs_get_tree+0x90/0x274 [ 66.634007][ T5619] do_new_mount+0x228/0x810 [ 66.634672][ T5619] path_mount+0x5b4/0x1000 [ 66.635400][ T5619] __arm64_sys_mount+0x514/0x5e4 [ 66.636245][ T5619] invoke_syscall+0x98/0x2b8 [ 66.637004][ T5619] el0_svc_common+0x138/0x258 [ 66.637701][ T5619] do_el0_svc+0x58/0x14c [ 66.638335][ T5619] el0_svc+0x78/0x1e0 [ 66.638915][ T5619] el0t_64_sync_handler+0xcc/0xe4 [ 66.639687][ T5619] el0t_64_sync+0x1a0/0x1a4 [ 66.665386][ T5619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.669777][ T5615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.670954][ T5615] CPU: 0 PID: 5615 Comm: syz.1.44 Not tainted syzkaller #0 [ 66.672085][ T5615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.673618][ T5615] Call trace: [ 66.674133][ T5615] dump_backtrace+0x0/0x43c [ 66.674820][ T5615] show_stack+0x2c/0x3c [ 66.675447][ T5615] __dump_stack+0x30/0x40 [ 66.675472][ T5619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.676126][ T5615] dump_stack_lvl+0xf8/0x160 [ 66.677830][ T5615] dump_stack+0x1c/0x5c [ 66.678436][ T5615] sysfs_create_dir_ns+0x22c/0x24c [ 66.679176][ T5615] kobject_add_internal+0x590/0xc54 [ 66.679979][ T5615] kobject_init_and_add+0x118/0x17c [ 66.680769][ T5615] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.681549][ T5615] gfs2_fill_super+0xdac/0x19e0 [ 66.682275][ T5615] get_tree_bdev+0x358/0x544 [ 66.683004][ T5615] gfs2_get_tree+0x54/0x1b4 [ 66.683675][ T5615] vfs_get_tree+0x90/0x274 [ 66.684357][ T5615] do_new_mount+0x228/0x810 [ 66.684976][ T5615] path_mount+0x5b4/0x1000 [ 66.685623][ T5615] __arm64_sys_mount+0x514/0x5e4 [ 66.686386][ T5615] invoke_syscall+0x98/0x2b8 [ 66.687100][ T5615] el0_svc_common+0x138/0x258 [ 66.687858][ T5615] do_el0_svc+0x58/0x14c [ 66.688523][ T5615] el0_svc+0x78/0x1e0 [ 66.689131][ T5615] el0t_64_sync_handler+0xcc/0xe4 [ 66.689909][ T5615] el0t_64_sync+0x1a0/0x1a4 [ 66.726931][ T5615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.729067][ T5615] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.791538][ T5617] loop0: detected capacity change from 0 to 32768 [ 66.879775][ T5619] loop2: detected capacity change from 0 to 32768 [ 66.892711][ T5621] loop4: detected capacity change from 0 to 32768 [ 66.892719][ T5617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.894880][ T5617] CPU: 0 PID: 5617 Comm: syz.0.45 Not tainted syzkaller #0 [ 66.896083][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.897571][ T5617] Call trace: [ 66.898058][ T5617] dump_backtrace+0x0/0x43c [ 66.898722][ T5617] show_stack+0x2c/0x3c [ 66.899306][ T5617] __dump_stack+0x30/0x40 [ 66.899905][ T5617] dump_stack_lvl+0xf8/0x160 [ 66.900595][ T5617] dump_stack+0x1c/0x5c [ 66.901271][ T5617] sysfs_create_dir_ns+0x22c/0x24c [ 66.902121][ T5617] kobject_add_internal+0x590/0xc54 [ 66.902993][ T5617] kobject_init_and_add+0x118/0x17c [ 66.903795][ T5617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.904521][ T5617] gfs2_fill_super+0xdac/0x19e0 [ 66.905242][ T5617] get_tree_bdev+0x358/0x544 [ 66.905938][ T5617] gfs2_get_tree+0x54/0x1b4 [ 66.906616][ T5617] vfs_get_tree+0x90/0x274 [ 66.907271][ T5617] do_new_mount+0x228/0x810 [ 66.907999][ T5617] path_mount+0x5b4/0x1000 [ 66.908642][ T5617] __arm64_sys_mount+0x514/0x5e4 [ 66.909057][ T5623] loop1: detected capacity change from 0 to 32768 [ 66.909396][ T5617] invoke_syscall+0x98/0x2b8 [ 66.910959][ T5617] el0_svc_common+0x138/0x258 [ 66.911637][ T5617] do_el0_svc+0x58/0x14c [ 66.912243][ T5617] el0_svc+0x78/0x1e0 [ 66.912850][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 66.913593][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 66.916480][ T5617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.917802][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.918513][ T5617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.919617][ T5619] CPU: 1 PID: 5619 Comm: syz.2.46 Not tainted syzkaller #0 [ 66.921703][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.923217][ T5619] Call trace: [ 66.923703][ T5619] dump_backtrace+0x0/0x43c [ 66.924468][ T5619] show_stack+0x2c/0x3c [ 66.925097][ T5619] __dump_stack+0x30/0x40 [ 66.925684][ T5619] dump_stack_lvl+0xf8/0x160 [ 66.926371][ T5619] dump_stack+0x1c/0x5c [ 66.927007][ T5619] sysfs_create_dir_ns+0x22c/0x24c [ 66.927723][ T5619] kobject_add_internal+0x590/0xc54 [ 66.928435][ T5619] kobject_init_and_add+0x118/0x17c [ 66.929196][ T5619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.929942][ T5619] gfs2_fill_super+0xdac/0x19e0 [ 66.930681][ T5619] get_tree_bdev+0x358/0x544 [ 66.931383][ T5619] gfs2_get_tree+0x54/0x1b4 [ 66.932069][ T5619] vfs_get_tree+0x90/0x274 [ 66.932737][ T5619] do_new_mount+0x228/0x810 [ 66.933462][ T5619] path_mount+0x5b4/0x1000 [ 66.934147][ T5619] __arm64_sys_mount+0x514/0x5e4 [ 66.934884][ T5619] invoke_syscall+0x98/0x2b8 [ 66.935560][ T5619] el0_svc_common+0x138/0x258 [ 66.936333][ T5619] do_el0_svc+0x58/0x14c [ 66.937019][ T5619] el0_svc+0x78/0x1e0 [ 66.937674][ T5619] el0t_64_sync_handler+0xcc/0xe4 [ 66.938552][ T5619] el0t_64_sync+0x1a0/0x1a4 [ 66.940457][ T5619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.942417][ T5619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.948630][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.949698][ T5621] CPU: 1 PID: 5621 Comm: syz.4.47 Not tainted syzkaller #0 [ 66.950688][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.952172][ T5621] Call trace: [ 66.952651][ T5621] dump_backtrace+0x0/0x43c [ 66.953354][ T5621] show_stack+0x2c/0x3c [ 66.954044][ T5621] __dump_stack+0x30/0x40 [ 66.954708][ T5621] dump_stack_lvl+0xf8/0x160 [ 66.955431][ T5621] dump_stack+0x1c/0x5c [ 66.956096][ T5621] sysfs_create_dir_ns+0x22c/0x24c [ 66.956940][ T5621] kobject_add_internal+0x590/0xc54 [ 66.957781][ T5621] kobject_init_and_add+0x118/0x17c [ 66.958662][ T5621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.959433][ T5621] gfs2_fill_super+0xdac/0x19e0 [ 66.960184][ T5621] get_tree_bdev+0x358/0x544 [ 66.960940][ T5621] gfs2_get_tree+0x54/0x1b4 [ 66.961694][ T5621] vfs_get_tree+0x90/0x274 [ 66.962425][ T5621] do_new_mount+0x228/0x810 [ 66.963128][ T5621] path_mount+0x5b4/0x1000 [ 66.963799][ T5621] __arm64_sys_mount+0x514/0x5e4 [ 66.964566][ T5621] invoke_syscall+0x98/0x2b8 [ 66.965227][ T5621] el0_svc_common+0x138/0x258 [ 66.965890][ T5621] do_el0_svc+0x58/0x14c [ 66.966578][ T5621] el0_svc+0x78/0x1e0 [ 66.967190][ T5621] el0t_64_sync_handler+0xcc/0xe4 [ 66.968027][ T5621] el0t_64_sync+0x1a0/0x1a4 [ 66.979086][ T5623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.980205][ T5623] CPU: 1 PID: 5623 Comm: syz.1.48 Not tainted syzkaller #0 [ 66.981274][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.982812][ T5623] Call trace: [ 66.983278][ T5623] dump_backtrace+0x0/0x43c [ 66.983957][ T5623] show_stack+0x2c/0x3c [ 66.984560][ T5623] __dump_stack+0x30/0x40 [ 66.985231][ T5623] dump_stack_lvl+0xf8/0x160 [ 66.985915][ T5623] dump_stack+0x1c/0x5c [ 66.986563][ T5623] sysfs_create_dir_ns+0x22c/0x24c [ 66.987305][ T5623] kobject_add_internal+0x590/0xc54 [ 66.988072][ T5623] kobject_init_and_add+0x118/0x17c [ 66.988878][ T5623] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.989582][ T5623] gfs2_fill_super+0xdac/0x19e0 [ 66.990284][ T5623] get_tree_bdev+0x358/0x544 [ 66.990938][ T5623] gfs2_get_tree+0x54/0x1b4 [ 66.991597][ T5623] vfs_get_tree+0x90/0x274 [ 66.992278][ T5623] do_new_mount+0x228/0x810 [ 66.992948][ T5623] path_mount+0x5b4/0x1000 [ 66.993664][ T5623] __arm64_sys_mount+0x514/0x5e4 [ 66.994491][ T5623] invoke_syscall+0x98/0x2b8 [ 66.995284][ T5623] el0_svc_common+0x138/0x258 [ 66.996015][ T5623] do_el0_svc+0x58/0x14c [ 66.996716][ T5623] el0_svc+0x78/0x1e0 [ 66.997368][ T5623] el0t_64_sync_handler+0xcc/0xe4 [ 66.998172][ T5623] el0t_64_sync+0x1a0/0x1a4 [ 67.006939][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.008860][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.010027][ T5623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.011858][ T5623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.234419][ T5621] loop4: detected capacity change from 0 to 32768 [ 67.235799][ T5623] loop1: detected capacity change from 0 to 32768 [ 67.241583][ T5625] loop0: detected capacity change from 0 to 32768 [ 67.243941][ T5627] loop2: detected capacity change from 0 to 32768 [ 67.245402][ T5627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.246606][ T5627] CPU: 1 PID: 5627 Comm: syz.2.50 Not tainted syzkaller #0 [ 67.247782][ T5627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.247794][ T5623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.249455][ T5627] Call trace: [ 67.249461][ T5627] dump_backtrace+0x0/0x43c [ 67.251771][ T5627] show_stack+0x2c/0x3c [ 67.252450][ T5627] __dump_stack+0x30/0x40 [ 67.253107][ T5627] dump_stack_lvl+0xf8/0x160 [ 67.253778][ T5627] dump_stack+0x1c/0x5c [ 67.254422][ T5627] sysfs_create_dir_ns+0x22c/0x24c [ 67.255202][ T5627] kobject_add_internal+0x590/0xc54 [ 67.255986][ T5627] kobject_init_and_add+0x118/0x17c [ 67.256765][ T5627] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.257475][ T5627] gfs2_fill_super+0xdac/0x19e0 [ 67.258231][ T5627] get_tree_bdev+0x358/0x544 [ 67.258928][ T5627] gfs2_get_tree+0x54/0x1b4 [ 67.259641][ T5627] vfs_get_tree+0x90/0x274 [ 67.260351][ T5627] do_new_mount+0x228/0x810 [ 67.261033][ T5627] path_mount+0x5b4/0x1000 [ 67.261692][ T5627] __arm64_sys_mount+0x514/0x5e4 [ 67.262430][ T5627] invoke_syscall+0x98/0x2b8 [ 67.263140][ T5627] el0_svc_common+0x138/0x258 [ 67.263855][ T5627] do_el0_svc+0x58/0x14c [ 67.264557][ T5627] el0_svc+0x78/0x1e0 [ 67.265225][ T5627] el0t_64_sync_handler+0xcc/0xe4 [ 67.265938][ T5627] el0t_64_sync+0x1a0/0x1a4 [ 67.268673][ T5623] CPU: 0 PID: 5623 Comm: syz.1.48 Not tainted syzkaller #0 [ 67.269723][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.271022][ T5623] Call trace: [ 67.271472][ T5623] dump_backtrace+0x0/0x43c [ 67.272095][ T5623] show_stack+0x2c/0x3c [ 67.272737][ T5623] __dump_stack+0x30/0x40 [ 67.273445][ T5623] dump_stack_lvl+0xf8/0x160 [ 67.274204][ T5623] dump_stack+0x1c/0x5c [ 67.274881][ T5623] sysfs_create_dir_ns+0x22c/0x24c [ 67.275710][ T5623] kobject_add_internal+0x590/0xc54 [ 67.276464][ T5623] kobject_init_and_add+0x118/0x17c [ 67.277314][ T5623] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.277351][ T5627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.278054][ T5623] gfs2_fill_super+0xdac/0x19e0 [ 67.279963][ T5627] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.280677][ T5623] get_tree_bdev+0x358/0x544 [ 67.282253][ T5623] gfs2_get_tree+0x54/0x1b4 [ 67.282980][ T5623] vfs_get_tree+0x90/0x274 [ 67.283658][ T5623] do_new_mount+0x228/0x810 [ 67.284339][ T5623] path_mount+0x5b4/0x1000 [ 67.285069][ T5623] __arm64_sys_mount+0x514/0x5e4 [ 67.285840][ T5623] invoke_syscall+0x98/0x2b8 [ 67.286593][ T5623] el0_svc_common+0x138/0x258 [ 67.287318][ T5623] do_el0_svc+0x58/0x14c [ 67.287964][ T5623] el0_svc+0x78/0x1e0 [ 67.288647][ T5623] el0t_64_sync_handler+0xcc/0xe4 [ 67.289431][ T5623] el0t_64_sync+0x1a0/0x1a4 [ 67.292414][ T5623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.294197][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.294842][ T5623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.295605][ T5621] CPU: 0 PID: 5621 Comm: syz.4.47 Not tainted syzkaller #0 [ 67.297661][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.298340][ T5625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.299322][ T5621] Call trace: [ 67.300918][ T5621] dump_backtrace+0x0/0x43c [ 67.301654][ T5621] show_stack+0x2c/0x3c [ 67.302291][ T5621] __dump_stack+0x30/0x40 [ 67.302996][ T5621] dump_stack_lvl+0xf8/0x160 [ 67.303690][ T5621] dump_stack+0x1c/0x5c [ 67.304321][ T5621] sysfs_create_dir_ns+0x22c/0x24c [ 67.305063][ T5621] kobject_add_internal+0x590/0xc54 [ 67.305841][ T5621] kobject_init_and_add+0x118/0x17c [ 67.306644][ T5621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.307299][ T5621] gfs2_fill_super+0xdac/0x19e0 [ 67.308007][ T5621] get_tree_bdev+0x358/0x544 [ 67.308795][ T5621] gfs2_get_tree+0x54/0x1b4 [ 67.309502][ T5621] vfs_get_tree+0x90/0x274 [ 67.310193][ T5621] do_new_mount+0x228/0x810 [ 67.310897][ T5621] path_mount+0x5b4/0x1000 [ 67.311535][ T5621] __arm64_sys_mount+0x514/0x5e4 [ 67.312240][ T5621] invoke_syscall+0x98/0x2b8 [ 67.312975][ T5621] el0_svc_common+0x138/0x258 [ 67.313740][ T5621] do_el0_svc+0x58/0x14c [ 67.314415][ T5621] el0_svc+0x78/0x1e0 [ 67.315000][ T5621] el0t_64_sync_handler+0xcc/0xe4 [ 67.315787][ T5621] el0t_64_sync+0x1a0/0x1a4 [ 67.316463][ T5625] CPU: 1 PID: 5625 Comm: syz.0.49 Not tainted syzkaller #0 [ 67.317508][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.319056][ T5625] Call trace: [ 67.319581][ T5625] dump_backtrace+0x0/0x43c [ 67.320297][ T5625] show_stack+0x2c/0x3c [ 67.320952][ T5625] __dump_stack+0x30/0x40 [ 67.321608][ T5625] dump_stack_lvl+0xf8/0x160 [ 67.322378][ T5625] dump_stack+0x1c/0x5c [ 67.323058][ T5625] sysfs_create_dir_ns+0x22c/0x24c [ 67.323861][ T5625] kobject_add_internal+0x590/0xc54 [ 67.324638][ T5625] kobject_init_and_add+0x118/0x17c [ 67.325424][ T5625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.326233][ T5625] gfs2_fill_super+0xdac/0x19e0 [ 67.326965][ T5625] get_tree_bdev+0x358/0x544 [ 67.327688][ T5625] gfs2_get_tree+0x54/0x1b4 [ 67.328410][ T5625] vfs_get_tree+0x90/0x274 [ 67.329091][ T5625] do_new_mount+0x228/0x810 [ 67.329786][ T5625] path_mount+0x5b4/0x1000 [ 67.330433][ T5625] __arm64_sys_mount+0x514/0x5e4 [ 67.331238][ T5625] invoke_syscall+0x98/0x2b8 [ 67.331896][ T5625] el0_svc_common+0x138/0x258 [ 67.332649][ T5625] do_el0_svc+0x58/0x14c [ 67.333312][ T5625] el0_svc+0x78/0x1e0 [ 67.333924][ T5625] el0t_64_sync_handler+0xcc/0xe4 [ 67.334138][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.334647][ T5625] el0t_64_sync+0x1a0/0x1a4 [ 67.336677][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.339586][ T5625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.341562][ T5625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.532545][ T5625] loop0: detected capacity change from 0 to 32768 [ 67.546273][ T5625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.547805][ T5625] CPU: 0 PID: 5625 Comm: syz.0.49 Not tainted syzkaller #0 [ 67.548912][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.550523][ T5625] Call trace: [ 67.550988][ T5625] dump_backtrace+0x0/0x43c [ 67.551647][ T5625] show_stack+0x2c/0x3c [ 67.552276][ T5625] __dump_stack+0x30/0x40 [ 67.552905][ T5625] dump_stack_lvl+0xf8/0x160 [ 67.553548][ T5625] dump_stack+0x1c/0x5c [ 67.554180][ T5625] sysfs_create_dir_ns+0x22c/0x24c [ 67.554980][ T5625] kobject_add_internal+0x590/0xc54 [ 67.555814][ T5625] kobject_init_and_add+0x118/0x17c [ 67.556607][ T5625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.557343][ T5625] gfs2_fill_super+0xdac/0x19e0 [ 67.558094][ T5625] get_tree_bdev+0x358/0x544 [ 67.558793][ T5625] gfs2_get_tree+0x54/0x1b4 [ 67.559459][ T5625] vfs_get_tree+0x90/0x274 [ 67.560172][ T5625] do_new_mount+0x228/0x810 [ 67.560838][ T5625] path_mount+0x5b4/0x1000 [ 67.561502][ T5625] __arm64_sys_mount+0x514/0x5e4 [ 67.562243][ T5625] invoke_syscall+0x98/0x2b8 [ 67.562935][ T5625] el0_svc_common+0x138/0x258 [ 67.563613][ T5625] do_el0_svc+0x58/0x14c [ 67.564262][ T5625] el0_svc+0x78/0x1e0 [ 67.564877][ T5625] el0t_64_sync_handler+0xcc/0xe4 [ 67.565672][ T5625] el0t_64_sync+0x1a0/0x1a4 [ 67.586914][ T5625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.589092][ T5625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.599264][ T5627] loop2: detected capacity change from 0 to 32768 [ 67.629080][ T5629] loop4: detected capacity change from 0 to 32768 [ 67.662554][ T5631] loop1: detected capacity change from 0 to 32768 [ 67.678518][ T5629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.679896][ T5629] CPU: 0 PID: 5629 Comm: syz.4.51 Not tainted syzkaller #0 [ 67.681015][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.682573][ T5629] Call trace: [ 67.682904][ T5627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.683074][ T5629] dump_backtrace+0x0/0x43c [ 67.684888][ T5629] show_stack+0x2c/0x3c [ 67.685533][ T5629] __dump_stack+0x30/0x40 [ 67.686238][ T5629] dump_stack_lvl+0xf8/0x160 [ 67.686990][ T5629] dump_stack+0x1c/0x5c [ 67.687688][ T5629] sysfs_create_dir_ns+0x22c/0x24c [ 67.688511][ T5629] kobject_add_internal+0x590/0xc54 [ 67.689381][ T5629] kobject_init_and_add+0x118/0x17c [ 67.690252][ T5629] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.691013][ T5629] gfs2_fill_super+0xdac/0x19e0 [ 67.691707][ T5629] get_tree_bdev+0x358/0x544 [ 67.692424][ T5629] gfs2_get_tree+0x54/0x1b4 [ 67.693143][ T5629] vfs_get_tree+0x90/0x274 [ 67.693868][ T5629] do_new_mount+0x228/0x810 [ 67.694590][ T5629] path_mount+0x5b4/0x1000 [ 67.695283][ T5629] __arm64_sys_mount+0x514/0x5e4 [ 67.696074][ T5629] invoke_syscall+0x98/0x2b8 [ 67.696859][ T5629] el0_svc_common+0x138/0x258 [ 67.697660][ T5629] do_el0_svc+0x58/0x14c [ 67.698387][ T5629] el0_svc+0x78/0x1e0 [ 67.699074][ T5629] el0t_64_sync_handler+0xcc/0xe4 [ 67.699917][ T5629] el0t_64_sync+0x1a0/0x1a4 [ 67.700669][ T5627] CPU: 1 PID: 5627 Comm: syz.2.50 Not tainted syzkaller #0 [ 67.701760][ T5627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.703371][ T5627] Call trace: [ 67.703884][ T5627] dump_backtrace+0x0/0x43c [ 67.704537][ T5627] show_stack+0x2c/0x3c [ 67.705162][ T5627] __dump_stack+0x30/0x40 [ 67.705823][ T5627] dump_stack_lvl+0xf8/0x160 [ 67.706566][ T5627] dump_stack+0x1c/0x5c [ 67.707230][ T5627] sysfs_create_dir_ns+0x22c/0x24c [ 67.708052][ T5627] kobject_add_internal+0x590/0xc54 [ 67.708926][ T5627] kobject_init_and_add+0x118/0x17c [ 67.709779][ T5627] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.710567][ T5627] gfs2_fill_super+0xdac/0x19e0 [ 67.711403][ T5627] get_tree_bdev+0x358/0x544 [ 67.712138][ T5627] gfs2_get_tree+0x54/0x1b4 [ 67.712852][ T5627] vfs_get_tree+0x90/0x274 [ 67.713556][ T5627] do_new_mount+0x228/0x810 [ 67.714233][ T5627] path_mount+0x5b4/0x1000 [ 67.714901][ T5627] __arm64_sys_mount+0x514/0x5e4 [ 67.715614][ T5627] invoke_syscall+0x98/0x2b8 [ 67.716286][ T5627] el0_svc_common+0x138/0x258 [ 67.716948][ T5627] do_el0_svc+0x58/0x14c [ 67.717555][ T5627] el0_svc+0x78/0x1e0 [ 67.718117][ T5627] el0t_64_sync_handler+0xcc/0xe4 [ 67.718824][ T5627] el0t_64_sync+0x1a0/0x1a4 [ 67.720308][ T5627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.722333][ T5627] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.736795][ T5629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.738795][ T5629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.759071][ T5631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.760277][ T5631] CPU: 0 PID: 5631 Comm: syz.1.52 Not tainted syzkaller #0 [ 67.761355][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.762949][ T5631] Call trace: [ 67.763467][ T5631] dump_backtrace+0x0/0x43c [ 67.764173][ T5631] show_stack+0x2c/0x3c [ 67.764795][ T5631] __dump_stack+0x30/0x40 [ 67.765430][ T5631] dump_stack_lvl+0xf8/0x160 [ 67.766109][ T5631] dump_stack+0x1c/0x5c [ 67.766749][ T5631] sysfs_create_dir_ns+0x22c/0x24c [ 67.767548][ T5631] kobject_add_internal+0x590/0xc54 [ 67.768359][ T5631] kobject_init_and_add+0x118/0x17c [ 67.769164][ T5631] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.769896][ T5631] gfs2_fill_super+0xdac/0x19e0 [ 67.770593][ T5631] get_tree_bdev+0x358/0x544 [ 67.771304][ T5631] gfs2_get_tree+0x54/0x1b4 [ 67.771993][ T5631] vfs_get_tree+0x90/0x274 [ 67.772676][ T5631] do_new_mount+0x228/0x810 [ 67.773385][ T5631] path_mount+0x5b4/0x1000 [ 67.774061][ T5631] __arm64_sys_mount+0x514/0x5e4 [ 67.774902][ T5631] invoke_syscall+0x98/0x2b8 [ 67.775618][ T5631] el0_svc_common+0x138/0x258 [ 67.776345][ T5631] do_el0_svc+0x58/0x14c [ 67.777024][ T5631] el0_svc+0x78/0x1e0 [ 67.777685][ T5631] el0t_64_sync_handler+0xcc/0xe4 [ 67.778488][ T5631] el0t_64_sync+0x1a0/0x1a4 [ 67.815015][ T5631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.817335][ T5631] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.933524][ T5633] loop2: detected capacity change from 0 to 32768 [ 67.984750][ T5629] loop4: detected capacity change from 0 to 32768 [ 67.998254][ T5635] loop0: detected capacity change from 0 to 32768 [ 68.001694][ T5631] loop1: detected capacity change from 0 to 32768 [ 68.009788][ T5633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.011403][ T5633] CPU: 1 PID: 5633 Comm: syz.2.53 Not tainted syzkaller #0 [ 68.012527][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.014006][ T5633] Call trace: [ 68.014446][ T5633] dump_backtrace+0x0/0x43c [ 68.015130][ T5633] show_stack+0x2c/0x3c [ 68.015712][ T5633] __dump_stack+0x30/0x40 [ 68.016373][ T5633] dump_stack_lvl+0xf8/0x160 [ 68.017107][ T5633] dump_stack+0x1c/0x5c [ 68.017781][ T5633] sysfs_create_dir_ns+0x22c/0x24c [ 68.018621][ T5633] kobject_add_internal+0x590/0xc54 [ 68.019419][ T5633] kobject_init_and_add+0x118/0x17c [ 68.020230][ T5633] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.020956][ T5633] gfs2_fill_super+0xdac/0x19e0 [ 68.021743][ T5633] get_tree_bdev+0x358/0x544 [ 68.022492][ T5633] gfs2_get_tree+0x54/0x1b4 [ 68.023180][ T5633] vfs_get_tree+0x90/0x274 [ 68.023874][ T5633] do_new_mount+0x228/0x810 [ 68.024594][ T5633] path_mount+0x5b4/0x1000 [ 68.025316][ T5633] __arm64_sys_mount+0x514/0x5e4 [ 68.026191][ T5633] invoke_syscall+0x98/0x2b8 [ 68.026464][ T5629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.026917][ T5633] el0_svc_common+0x138/0x258 [ 68.026933][ T5633] do_el0_svc+0x58/0x14c [ 68.029451][ T5633] el0_svc+0x78/0x1e0 [ 68.030084][ T5633] el0t_64_sync_handler+0xcc/0xe4 [ 68.030835][ T5633] el0t_64_sync+0x1a0/0x1a4 [ 68.031535][ T5629] CPU: 0 PID: 5629 Comm: syz.4.51 Not tainted syzkaller #0 [ 68.032621][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.034158][ T5629] Call trace: [ 68.034628][ T5629] dump_backtrace+0x0/0x43c [ 68.035342][ T5629] show_stack+0x2c/0x3c [ 68.036007][ T5629] __dump_stack+0x30/0x40 [ 68.036660][ T5629] dump_stack_lvl+0xf8/0x160 [ 68.037420][ T5629] dump_stack+0x1c/0x5c [ 68.038073][ T5629] sysfs_create_dir_ns+0x22c/0x24c [ 68.038484][ T5635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.038833][ T5629] kobject_add_internal+0x590/0xc54 [ 68.040784][ T5629] kobject_init_and_add+0x118/0x17c [ 68.041646][ T5629] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.042384][ T5629] gfs2_fill_super+0xdac/0x19e0 [ 68.043161][ T5629] get_tree_bdev+0x358/0x544 [ 68.043872][ T5629] gfs2_get_tree+0x54/0x1b4 [ 68.044555][ T5629] vfs_get_tree+0x90/0x274 [ 68.045215][ T5629] do_new_mount+0x228/0x810 [ 68.045989][ T5629] path_mount+0x5b4/0x1000 [ 68.046676][ T5629] __arm64_sys_mount+0x514/0x5e4 [ 68.047472][ T5629] invoke_syscall+0x98/0x2b8 [ 68.048233][ T5629] el0_svc_common+0x138/0x258 [ 68.049028][ T5629] do_el0_svc+0x58/0x14c [ 68.049688][ T5629] el0_svc+0x78/0x1e0 [ 68.050312][ T5629] el0t_64_sync_handler+0xcc/0xe4 [ 68.051104][ T5629] el0t_64_sync+0x1a0/0x1a4 [ 68.051899][ T5635] CPU: 1 PID: 5635 Comm: syz.0.54 Not tainted syzkaller #0 [ 68.052943][ T5635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.053619][ T5631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.054391][ T5635] Call trace: [ 68.056082][ T5635] dump_backtrace+0x0/0x43c [ 68.056765][ T5635] show_stack+0x2c/0x3c [ 68.057380][ T5635] __dump_stack+0x30/0x40 [ 68.058041][ T5635] dump_stack_lvl+0xf8/0x160 [ 68.058770][ T5635] dump_stack+0x1c/0x5c [ 68.059409][ T5635] sysfs_create_dir_ns+0x22c/0x24c [ 68.060173][ T5635] kobject_add_internal+0x590/0xc54 [ 68.060968][ T5635] kobject_init_and_add+0x118/0x17c [ 68.061717][ T5635] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.062423][ T5635] gfs2_fill_super+0xdac/0x19e0 [ 68.063193][ T5635] get_tree_bdev+0x358/0x544 [ 68.063956][ T5635] gfs2_get_tree+0x54/0x1b4 [ 68.064650][ T5635] vfs_get_tree+0x90/0x274 [ 68.065347][ T5635] do_new_mount+0x228/0x810 [ 68.066071][ T5635] path_mount+0x5b4/0x1000 [ 68.066745][ T5635] __arm64_sys_mount+0x514/0x5e4 [ 68.067542][ T5635] invoke_syscall+0x98/0x2b8 [ 68.068278][ T5635] el0_svc_common+0x138/0x258 [ 68.069071][ T5635] do_el0_svc+0x58/0x14c [ 68.069792][ T5635] el0_svc+0x78/0x1e0 [ 68.070413][ T5635] el0t_64_sync_handler+0xcc/0xe4 [ 68.071195][ T5635] el0t_64_sync+0x1a0/0x1a4 [ 68.071966][ T5631] CPU: 0 PID: 5631 Comm: syz.1.52 Not tainted syzkaller #0 [ 68.073114][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.074586][ T5631] Call trace: [ 68.075087][ T5631] dump_backtrace+0x0/0x43c [ 68.075750][ T5631] show_stack+0x2c/0x3c [ 68.076343][ T5631] __dump_stack+0x30/0x40 [ 68.076797][ T5633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.077005][ T5631] dump_stack_lvl+0xf8/0x160 [ 68.078969][ T5633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.079626][ T5631] dump_stack+0x1c/0x5c [ 68.081129][ T5631] sysfs_create_dir_ns+0x22c/0x24c [ 68.081946][ T5631] kobject_add_internal+0x590/0xc54 [ 68.082776][ T5631] kobject_init_and_add+0x118/0x17c [ 68.083527][ T5631] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.084241][ T5631] gfs2_fill_super+0xdac/0x19e0 [ 68.085035][ T5631] get_tree_bdev+0x358/0x544 [ 68.085791][ T5631] gfs2_get_tree+0x54/0x1b4 [ 68.086505][ T5631] vfs_get_tree+0x90/0x274 [ 68.087185][ T5631] do_new_mount+0x228/0x810 [ 68.087916][ T5631] path_mount+0x5b4/0x1000 [ 68.088598][ T5631] __arm64_sys_mount+0x514/0x5e4 [ 68.089375][ T5631] invoke_syscall+0x98/0x2b8 [ 68.090085][ T5631] el0_svc_common+0x138/0x258 [ 68.090795][ T5631] do_el0_svc+0x58/0x14c [ 68.091466][ T5631] el0_svc+0x78/0x1e0 [ 68.092106][ T5631] el0t_64_sync_handler+0xcc/0xe4 [ 68.092893][ T5631] el0t_64_sync+0x1a0/0x1a4 [ 68.106753][ T5635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.111344][ T5629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.113641][ T5629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.113666][ T5635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.115306][ T5631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.119138][ T5631] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.306391][ T5637] loop4: detected capacity change from 0 to 32768 [ 68.322660][ T5633] loop2: detected capacity change from 0 to 32768 [ 68.348660][ T5633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.349866][ T5633] CPU: 1 PID: 5633 Comm: syz.2.53 Not tainted syzkaller #0 [ 68.350981][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.352508][ T5633] Call trace: [ 68.353038][ T5633] dump_backtrace+0x0/0x43c [ 68.353757][ T5633] show_stack+0x2c/0x3c [ 68.354389][ T5633] __dump_stack+0x30/0x40 [ 68.355037][ T5633] dump_stack_lvl+0xf8/0x160 [ 68.355731][ T5633] dump_stack+0x1c/0x5c [ 68.356388][ T5633] sysfs_create_dir_ns+0x22c/0x24c [ 68.357141][ T5633] kobject_add_internal+0x590/0xc54 [ 68.357931][ T5633] kobject_init_and_add+0x118/0x17c [ 68.358697][ T5633] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.359402][ T5633] gfs2_fill_super+0xdac/0x19e0 [ 68.360172][ T5633] get_tree_bdev+0x358/0x544 [ 68.360930][ T5633] gfs2_get_tree+0x54/0x1b4 [ 68.361649][ T5633] vfs_get_tree+0x90/0x274 [ 68.362365][ T5633] do_new_mount+0x228/0x810 [ 68.362688][ T5637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.363075][ T5633] path_mount+0x5b4/0x1000 [ 68.364959][ T5633] __arm64_sys_mount+0x514/0x5e4 [ 68.365752][ T5633] invoke_syscall+0x98/0x2b8 [ 68.366452][ T5633] el0_svc_common+0x138/0x258 [ 68.367191][ T5633] do_el0_svc+0x58/0x14c [ 68.367831][ T5633] el0_svc+0x78/0x1e0 [ 68.368462][ T5633] el0t_64_sync_handler+0xcc/0xe4 [ 68.369271][ T5633] el0t_64_sync+0x1a0/0x1a4 [ 68.369956][ T5637] CPU: 0 PID: 5637 Comm: syz.4.55 Not tainted syzkaller #0 [ 68.371048][ T5637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.372664][ T5637] Call trace: [ 68.373194][ T5637] dump_backtrace+0x0/0x43c [ 68.373898][ T5637] show_stack+0x2c/0x3c [ 68.374467][ T5637] __dump_stack+0x30/0x40 [ 68.375090][ T5637] dump_stack_lvl+0xf8/0x160 [ 68.375758][ T5637] dump_stack+0x1c/0x5c [ 68.376391][ T5637] sysfs_create_dir_ns+0x22c/0x24c [ 68.376983][ T5635] loop0: detected capacity change from 0 to 32768 [ 68.377170][ T5637] kobject_add_internal+0x590/0xc54 [ 68.378280][ T5633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.378870][ T5637] kobject_init_and_add+0x118/0x17c [ 68.380893][ T5633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.381671][ T5637] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.383302][ T5637] gfs2_fill_super+0xdac/0x19e0 [ 68.384067][ T5637] get_tree_bdev+0x358/0x544 [ 68.384789][ T5637] gfs2_get_tree+0x54/0x1b4 [ 68.385506][ T5637] vfs_get_tree+0x90/0x274 [ 68.386183][ T5637] do_new_mount+0x228/0x810 [ 68.386822][ T5637] path_mount+0x5b4/0x1000 [ 68.387478][ T5637] __arm64_sys_mount+0x514/0x5e4 [ 68.388239][ T5637] invoke_syscall+0x98/0x2b8 [ 68.388937][ T5637] el0_svc_common+0x138/0x258 [ 68.389665][ T5637] do_el0_svc+0x58/0x14c [ 68.390325][ T5637] el0_svc+0x78/0x1e0 [ 68.390948][ T5637] el0t_64_sync_handler+0xcc/0xe4 [ 68.391732][ T5637] el0t_64_sync+0x1a0/0x1a4 [ 68.396780][ T5637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.398891][ T5637] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.404532][ T5639] loop1: detected capacity change from 0 to 32768 [ 68.422256][ T5635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.423492][ T5635] CPU: 1 PID: 5635 Comm: syz.0.54 Not tainted syzkaller #0 [ 68.424578][ T5635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.426092][ T5635] Call trace: [ 68.426590][ T5635] dump_backtrace+0x0/0x43c [ 68.427262][ T5635] show_stack+0x2c/0x3c [ 68.427879][ T5635] __dump_stack+0x30/0x40 [ 68.428500][ T5635] dump_stack_lvl+0xf8/0x160 [ 68.429153][ T5635] dump_stack+0x1c/0x5c [ 68.429787][ T5635] sysfs_create_dir_ns+0x22c/0x24c [ 68.430598][ T5635] kobject_add_internal+0x590/0xc54 [ 68.431453][ T5635] kobject_init_and_add+0x118/0x17c [ 68.432316][ T5635] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.433012][ T5635] gfs2_fill_super+0xdac/0x19e0 [ 68.433715][ T5635] get_tree_bdev+0x358/0x544 [ 68.434419][ T5635] gfs2_get_tree+0x54/0x1b4 [ 68.435108][ T5635] vfs_get_tree+0x90/0x274 [ 68.435780][ T5635] do_new_mount+0x228/0x810 [ 68.436441][ T5635] path_mount+0x5b4/0x1000 [ 68.437229][ T5635] __arm64_sys_mount+0x514/0x5e4 [ 68.438048][ T5635] invoke_syscall+0x98/0x2b8 [ 68.438726][ T5635] el0_svc_common+0x138/0x258 [ 68.439420][ T5635] do_el0_svc+0x58/0x14c [ 68.440068][ T5635] el0_svc+0x78/0x1e0 [ 68.440643][ T5635] el0t_64_sync_handler+0xcc/0xe4 [ 68.441420][ T5635] el0t_64_sync+0x1a0/0x1a4 [ 68.442312][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.443297][ T5639] CPU: 1 PID: 5639 Comm: syz.1.56 Not tainted syzkaller #0 [ 68.444290][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.445674][ T5639] Call trace: [ 68.446126][ T5639] dump_backtrace+0x0/0x43c [ 68.446757][ T5639] show_stack+0x2c/0x3c [ 68.447436][ T5639] __dump_stack+0x30/0x40 [ 68.448110][ T5639] dump_stack_lvl+0xf8/0x160 [ 68.448815][ T5639] dump_stack+0x1c/0x5c [ 68.449412][ T5639] sysfs_create_dir_ns+0x22c/0x24c [ 68.450200][ T5639] kobject_add_internal+0x590/0xc54 [ 68.451009][ T5639] kobject_init_and_add+0x118/0x17c [ 68.451776][ T5639] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.452444][ T5639] gfs2_fill_super+0xdac/0x19e0 [ 68.453121][ T5639] get_tree_bdev+0x358/0x544 [ 68.453833][ T5639] gfs2_get_tree+0x54/0x1b4 [ 68.454535][ T5639] vfs_get_tree+0x90/0x274 [ 68.455245][ T5639] do_new_mount+0x228/0x810 [ 68.455954][ T5639] path_mount+0x5b4/0x1000 [ 68.456665][ T5639] __arm64_sys_mount+0x514/0x5e4 [ 68.457427][ T5639] invoke_syscall+0x98/0x2b8 [ 68.458156][ T5639] el0_svc_common+0x138/0x258 [ 68.458893][ T5639] do_el0_svc+0x58/0x14c [ 68.459536][ T5639] el0_svc+0x78/0x1e0 [ 68.460113][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 68.460841][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 68.477465][ T5635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.481785][ T5635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.485537][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.490720][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.614193][ T5637] loop4: detected capacity change from 0 to 32768 [ 68.625590][ T5637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.627006][ T5637] CPU: 0 PID: 5637 Comm: syz.4.55 Not tainted syzkaller #0 [ 68.628087][ T5637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.629680][ T5637] Call trace: [ 68.630188][ T5637] dump_backtrace+0x0/0x43c [ 68.630866][ T5637] show_stack+0x2c/0x3c [ 68.631536][ T5637] __dump_stack+0x30/0x40 [ 68.632233][ T5637] dump_stack_lvl+0xf8/0x160 [ 68.632970][ T5637] dump_stack+0x1c/0x5c [ 68.633590][ T5637] sysfs_create_dir_ns+0x22c/0x24c [ 68.634381][ T5637] kobject_add_internal+0x590/0xc54 [ 68.635157][ T5637] kobject_init_and_add+0x118/0x17c [ 68.635957][ T5637] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.636739][ T5637] gfs2_fill_super+0xdac/0x19e0 [ 68.637462][ T5637] get_tree_bdev+0x358/0x544 [ 68.638158][ T5637] gfs2_get_tree+0x54/0x1b4 [ 68.638875][ T5637] vfs_get_tree+0x90/0x274 [ 68.639549][ T5637] do_new_mount+0x228/0x810 [ 68.640213][ T5637] path_mount+0x5b4/0x1000 [ 68.640872][ T5637] __arm64_sys_mount+0x514/0x5e4 [ 68.641590][ T5637] invoke_syscall+0x98/0x2b8 [ 68.642256][ T5637] el0_svc_common+0x138/0x258 [ 68.642947][ T5637] do_el0_svc+0x58/0x14c [ 68.643608][ T5637] el0_svc+0x78/0x1e0 [ 68.644270][ T5637] el0t_64_sync_handler+0xcc/0xe4 [ 68.645038][ T5637] el0t_64_sync+0x1a0/0x1a4 [ 68.666726][ T5637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.668557][ T5637] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.774681][ T5643] loop0: detected capacity change from 0 to 32768 [ 68.779146][ T5641] loop2: detected capacity change from 0 to 32768 [ 68.798109][ T5641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.799484][ T5643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.800573][ T5643] CPU: 1 PID: 5643 Comm: syz.0.58 Not tainted syzkaller #0 [ 68.801603][ T5643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.803192][ T5643] Call trace: [ 68.803714][ T5643] dump_backtrace+0x0/0x43c [ 68.804432][ T5643] show_stack+0x2c/0x3c [ 68.805077][ T5643] __dump_stack+0x30/0x40 [ 68.805748][ T5643] dump_stack_lvl+0xf8/0x160 [ 68.806443][ T5643] dump_stack+0x1c/0x5c [ 68.807052][ T5643] sysfs_create_dir_ns+0x22c/0x24c [ 68.807879][ T5643] kobject_add_internal+0x590/0xc54 [ 68.808700][ T5643] kobject_init_and_add+0x118/0x17c [ 68.809551][ T5643] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.810294][ T5643] gfs2_fill_super+0xdac/0x19e0 [ 68.811035][ T5643] get_tree_bdev+0x358/0x544 [ 68.811765][ T5643] gfs2_get_tree+0x54/0x1b4 [ 68.812460][ T5643] vfs_get_tree+0x90/0x274 [ 68.813168][ T5643] do_new_mount+0x228/0x810 [ 68.813891][ T5643] path_mount+0x5b4/0x1000 [ 68.814603][ T5643] __arm64_sys_mount+0x514/0x5e4 [ 68.815388][ T5643] invoke_syscall+0x98/0x2b8 [ 68.816040][ T5639] loop1: detected capacity change from 0 to 32768 [ 68.816093][ T5643] el0_svc_common+0x138/0x258 [ 68.817821][ T5643] do_el0_svc+0x58/0x14c [ 68.818470][ T5643] el0_svc+0x78/0x1e0 [ 68.819085][ T5643] el0t_64_sync_handler+0xcc/0xe4 [ 68.819885][ T5643] el0t_64_sync+0x1a0/0x1a4 [ 68.824534][ T5641] CPU: 1 PID: 5641 Comm: syz.2.57 Not tainted syzkaller #0 [ 68.825611][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.827102][ T5641] Call trace: [ 68.827586][ T5641] dump_backtrace+0x0/0x43c [ 68.828288][ T5641] show_stack+0x2c/0x3c [ 68.828904][ T5641] __dump_stack+0x30/0x40 [ 68.829559][ T5641] dump_stack_lvl+0xf8/0x160 [ 68.830336][ T5641] dump_stack+0x1c/0x5c [ 68.830987][ T5641] sysfs_create_dir_ns+0x22c/0x24c [ 68.831763][ T5641] kobject_add_internal+0x590/0xc54 [ 68.832527][ T5641] kobject_init_and_add+0x118/0x17c [ 68.833379][ T5641] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.833629][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.834165][ T5641] gfs2_fill_super+0xdac/0x19e0 [ 68.836044][ T5641] get_tree_bdev+0x358/0x544 [ 68.836714][ T5641] gfs2_get_tree+0x54/0x1b4 [ 68.837364][ T5641] vfs_get_tree+0x90/0x274 [ 68.838041][ T5641] do_new_mount+0x228/0x810 [ 68.838733][ T5641] path_mount+0x5b4/0x1000 [ 68.839372][ T5641] __arm64_sys_mount+0x514/0x5e4 [ 68.840113][ T5641] invoke_syscall+0x98/0x2b8 [ 68.840853][ T5641] el0_svc_common+0x138/0x258 [ 68.841523][ T5641] do_el0_svc+0x58/0x14c [ 68.842132][ T5641] el0_svc+0x78/0x1e0 [ 68.842741][ T5641] el0t_64_sync_handler+0xcc/0xe4 [ 68.843478][ T5641] el0t_64_sync+0x1a0/0x1a4 [ 68.847327][ T5639] CPU: 0 PID: 5639 Comm: syz.1.56 Not tainted syzkaller #0 [ 68.848464][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.849434][ T5641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.849937][ T5639] Call trace: [ 68.851810][ T5641] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.852349][ T5639] dump_backtrace+0x0/0x43c [ 68.853538][ T5643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.853913][ T5639] show_stack+0x2c/0x3c [ 68.855906][ T5643] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.856577][ T5639] __dump_stack+0x30/0x40 [ 68.858318][ T5639] dump_stack_lvl+0xf8/0x160 [ 68.859010][ T5639] dump_stack+0x1c/0x5c [ 68.859724][ T5639] sysfs_create_dir_ns+0x22c/0x24c [ 68.860590][ T5639] kobject_add_internal+0x590/0xc54 [ 68.861455][ T5639] kobject_init_and_add+0x118/0x17c [ 68.862321][ T5639] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.863141][ T5639] gfs2_fill_super+0xdac/0x19e0 [ 68.863914][ T5639] get_tree_bdev+0x358/0x544 [ 68.864694][ T5639] gfs2_get_tree+0x54/0x1b4 [ 68.865401][ T5639] vfs_get_tree+0x90/0x274 [ 68.866056][ T5639] do_new_mount+0x228/0x810 [ 68.866736][ T5639] path_mount+0x5b4/0x1000 [ 68.867409][ T5639] __arm64_sys_mount+0x514/0x5e4 [ 68.868202][ T5639] invoke_syscall+0x98/0x2b8 [ 68.868378][ T5645] loop4: detected capacity change from 0 to 32768 [ 68.868932][ T5639] el0_svc_common+0x138/0x258 [ 68.870630][ T5639] do_el0_svc+0x58/0x14c [ 68.871279][ T5639] el0_svc+0x78/0x1e0 [ 68.871838][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 68.872627][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 68.895086][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.897200][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.929276][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.930443][ T5645] CPU: 1 PID: 5645 Comm: syz.4.59 Not tainted syzkaller #0 [ 68.931482][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.932925][ T5645] Call trace: [ 68.933426][ T5645] dump_backtrace+0x0/0x43c [ 68.934071][ T5645] show_stack+0x2c/0x3c [ 68.934693][ T5645] __dump_stack+0x30/0x40 [ 68.935319][ T5645] dump_stack_lvl+0xf8/0x160 [ 68.936027][ T5645] dump_stack+0x1c/0x5c [ 68.936645][ T5645] sysfs_create_dir_ns+0x22c/0x24c [ 68.937468][ T5645] kobject_add_internal+0x590/0xc54 [ 68.938347][ T5645] kobject_init_and_add+0x118/0x17c [ 68.939216][ T5645] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.940016][ T5645] gfs2_fill_super+0xdac/0x19e0 [ 68.940838][ T5645] get_tree_bdev+0x358/0x544 [ 68.941569][ T5645] gfs2_get_tree+0x54/0x1b4 [ 68.942264][ T5645] vfs_get_tree+0x90/0x274 [ 68.943012][ T5645] do_new_mount+0x228/0x810 [ 68.943784][ T5645] path_mount+0x5b4/0x1000 [ 68.944507][ T5645] __arm64_sys_mount+0x514/0x5e4 [ 68.945208][ T5645] invoke_syscall+0x98/0x2b8 [ 68.945879][ T5645] el0_svc_common+0x138/0x258 [ 68.946641][ T5645] do_el0_svc+0x58/0x14c [ 68.947367][ T5645] el0_svc+0x78/0x1e0 [ 68.947993][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 68.948772][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 68.980777][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.982929][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.050642][ T5641] loop2: detected capacity change from 0 to 32768 [ 69.091866][ T5643] loop0: detected capacity change from 0 to 32768 [ 69.099376][ T5641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.100487][ T5641] CPU: 0 PID: 5641 Comm: syz.2.57 Not tainted syzkaller #0 [ 69.101663][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.103142][ T5641] Call trace: [ 69.103591][ T5641] dump_backtrace+0x0/0x43c [ 69.104283][ T5641] show_stack+0x2c/0x3c [ 69.104931][ T5641] __dump_stack+0x30/0x40 [ 69.105630][ T5641] dump_stack_lvl+0xf8/0x160 [ 69.106356][ T5641] dump_stack+0x1c/0x5c [ 69.107026][ T5641] sysfs_create_dir_ns+0x22c/0x24c [ 69.107900][ T5641] kobject_add_internal+0x590/0xc54 [ 69.108799][ T5641] kobject_init_and_add+0x118/0x17c [ 69.109656][ T5641] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.110420][ T5641] gfs2_fill_super+0xdac/0x19e0 [ 69.111200][ T5641] get_tree_bdev+0x358/0x544 [ 69.111938][ T5641] gfs2_get_tree+0x54/0x1b4 [ 69.112646][ T5641] vfs_get_tree+0x90/0x274 [ 69.113317][ T5641] do_new_mount+0x228/0x810 [ 69.114023][ T5641] path_mount+0x5b4/0x1000 [ 69.114657][ T5641] __arm64_sys_mount+0x514/0x5e4 [ 69.115438][ T5641] invoke_syscall+0x98/0x2b8 [ 69.116138][ T5641] el0_svc_common+0x138/0x258 [ 69.116848][ T5641] do_el0_svc+0x58/0x14c [ 69.117526][ T5641] el0_svc+0x78/0x1e0 [ 69.118138][ T5641] el0t_64_sync_handler+0xcc/0xe4 [ 69.118942][ T5641] el0t_64_sync+0x1a0/0x1a4 [ 69.125330][ T5643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.126503][ T5643] CPU: 0 PID: 5643 Comm: syz.0.58 Not tainted syzkaller #0 [ 69.127600][ T5643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.129147][ T5643] Call trace: [ 69.129650][ T5643] dump_backtrace+0x0/0x43c [ 69.130346][ T5643] show_stack+0x2c/0x3c [ 69.131016][ T5643] __dump_stack+0x30/0x40 [ 69.131665][ T5643] dump_stack_lvl+0xf8/0x160 [ 69.132326][ T5643] dump_stack+0x1c/0x5c [ 69.132985][ T5643] sysfs_create_dir_ns+0x22c/0x24c [ 69.133811][ T5643] kobject_add_internal+0x590/0xc54 [ 69.134604][ T5643] kobject_init_and_add+0x118/0x17c [ 69.135394][ T5643] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.136125][ T5643] gfs2_fill_super+0xdac/0x19e0 [ 69.136836][ T5643] get_tree_bdev+0x358/0x544 [ 69.137479][ T5643] gfs2_get_tree+0x54/0x1b4 [ 69.138184][ T5643] vfs_get_tree+0x90/0x274 [ 69.138902][ T5643] do_new_mount+0x228/0x810 [ 69.139592][ T5643] path_mount+0x5b4/0x1000 [ 69.140284][ T5643] __arm64_sys_mount+0x514/0x5e4 [ 69.141066][ T5643] invoke_syscall+0x98/0x2b8 [ 69.141848][ T5643] el0_svc_common+0x138/0x258 [ 69.142622][ T5643] do_el0_svc+0x58/0x14c [ 69.143267][ T5643] el0_svc+0x78/0x1e0 [ 69.143841][ T5643] el0t_64_sync_handler+0xcc/0xe4 [ 69.144628][ T5643] el0t_64_sync+0x1a0/0x1a4 [ 69.160042][ T5641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.162032][ T5641] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.172431][ T5643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.174287][ T5643] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.219495][ T5645] loop4: detected capacity change from 0 to 32768 [ 69.226108][ T5647] loop1: detected capacity change from 0 to 32768 [ 69.258671][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.259960][ T5645] CPU: 1 PID: 5645 Comm: syz.4.59 Not tainted syzkaller #0 [ 69.261010][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.262553][ T5645] Call trace: [ 69.263038][ T5645] dump_backtrace+0x0/0x43c [ 69.263687][ T5645] show_stack+0x2c/0x3c [ 69.264360][ T5645] __dump_stack+0x30/0x40 [ 69.265039][ T5645] dump_stack_lvl+0xf8/0x160 [ 69.265751][ T5645] dump_stack+0x1c/0x5c [ 69.266411][ T5645] sysfs_create_dir_ns+0x22c/0x24c [ 69.267228][ T5645] kobject_add_internal+0x590/0xc54 [ 69.268036][ T5645] kobject_init_and_add+0x118/0x17c [ 69.268823][ T5645] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.269496][ T5645] gfs2_fill_super+0xdac/0x19e0 [ 69.270250][ T5645] get_tree_bdev+0x358/0x544 [ 69.270964][ T5645] gfs2_get_tree+0x54/0x1b4 [ 69.271608][ T5645] vfs_get_tree+0x90/0x274 [ 69.272236][ T5645] do_new_mount+0x228/0x810 [ 69.272842][ T5645] path_mount+0x5b4/0x1000 [ 69.273472][ T5645] __arm64_sys_mount+0x514/0x5e4 [ 69.274179][ T5645] invoke_syscall+0x98/0x2b8 [ 69.274850][ T5645] el0_svc_common+0x138/0x258 [ 69.275557][ T5645] do_el0_svc+0x58/0x14c [ 69.276250][ T5645] el0_svc+0x78/0x1e0 [ 69.276832][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 69.277673][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 69.298586][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.299704][ T5647] CPU: 1 PID: 5647 Comm: syz.1.60 Not tainted syzkaller #0 [ 69.300700][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.302061][ T5647] Call trace: [ 69.302561][ T5647] dump_backtrace+0x0/0x43c [ 69.303222][ T5647] show_stack+0x2c/0x3c [ 69.303785][ T5647] __dump_stack+0x30/0x40 [ 69.304372][ T5647] dump_stack_lvl+0xf8/0x160 [ 69.305006][ T5647] dump_stack+0x1c/0x5c [ 69.305553][ T5647] sysfs_create_dir_ns+0x22c/0x24c [ 69.306327][ T5647] kobject_add_internal+0x590/0xc54 [ 69.307161][ T5647] kobject_init_and_add+0x118/0x17c [ 69.307930][ T5647] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.308659][ T5647] gfs2_fill_super+0xdac/0x19e0 [ 69.309380][ T5647] get_tree_bdev+0x358/0x544 [ 69.309998][ T5647] gfs2_get_tree+0x54/0x1b4 [ 69.310632][ T5647] vfs_get_tree+0x90/0x274 [ 69.311325][ T5647] do_new_mount+0x228/0x810 [ 69.312082][ T5647] path_mount+0x5b4/0x1000 [ 69.312752][ T5647] __arm64_sys_mount+0x514/0x5e4 [ 69.313494][ T5647] invoke_syscall+0x98/0x2b8 [ 69.314214][ T5647] el0_svc_common+0x138/0x258 [ 69.314977][ T5647] do_el0_svc+0x58/0x14c [ 69.315619][ T5647] el0_svc+0x78/0x1e0 [ 69.316230][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 69.317094][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 69.320803][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.322733][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.341035][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.343447][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.356318][ T5650] loop2: detected capacity change from 0 to 32768 [ 69.369703][ T5651] loop0: detected capacity change from 0 to 32768 [ 69.399214][ T5651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.400253][ T5651] CPU: 1 PID: 5651 Comm: syz.0.62 Not tainted syzkaller #0 [ 69.401286][ T5651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.402845][ T5651] Call trace: [ 69.403356][ T5651] dump_backtrace+0x0/0x43c [ 69.404080][ T5651] show_stack+0x2c/0x3c [ 69.404743][ T5651] __dump_stack+0x30/0x40 [ 69.405436][ T5651] dump_stack_lvl+0xf8/0x160 [ 69.406214][ T5651] dump_stack+0x1c/0x5c [ 69.406922][ T5651] sysfs_create_dir_ns+0x22c/0x24c [ 69.407794][ T5651] kobject_add_internal+0x590/0xc54 [ 69.408587][ T5651] kobject_init_and_add+0x118/0x17c [ 69.409384][ T5651] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.410102][ T5651] gfs2_fill_super+0xdac/0x19e0 [ 69.410915][ T5651] get_tree_bdev+0x358/0x544 [ 69.411608][ T5651] gfs2_get_tree+0x54/0x1b4 [ 69.412245][ T5651] vfs_get_tree+0x90/0x274 [ 69.412897][ T5651] do_new_mount+0x228/0x810 [ 69.413573][ T5651] path_mount+0x5b4/0x1000 [ 69.414258][ T5651] __arm64_sys_mount+0x514/0x5e4 [ 69.414965][ T5651] invoke_syscall+0x98/0x2b8 [ 69.415666][ T5651] el0_svc_common+0x138/0x258 [ 69.416344][ T5651] do_el0_svc+0x58/0x14c [ 69.417016][ T5651] el0_svc+0x78/0x1e0 [ 69.417600][ T5651] el0t_64_sync_handler+0xcc/0xe4 [ 69.418397][ T5651] el0t_64_sync+0x1a0/0x1a4 [ 69.419599][ T5651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.421462][ T5651] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.432780][ T5650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.433916][ T5650] CPU: 0 PID: 5650 Comm: syz.2.61 Not tainted syzkaller #0 [ 69.434959][ T5650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.436453][ T5650] Call trace: [ 69.436917][ T5650] dump_backtrace+0x0/0x43c [ 69.437627][ T5650] show_stack+0x2c/0x3c [ 69.438321][ T5650] __dump_stack+0x30/0x40 [ 69.439007][ T5650] dump_stack_lvl+0xf8/0x160 [ 69.439671][ T5650] dump_stack+0x1c/0x5c [ 69.440272][ T5650] sysfs_create_dir_ns+0x22c/0x24c [ 69.441032][ T5650] kobject_add_internal+0x590/0xc54 [ 69.441784][ T5650] kobject_init_and_add+0x118/0x17c [ 69.442567][ T5650] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.443351][ T5650] gfs2_fill_super+0xdac/0x19e0 [ 69.444089][ T5650] get_tree_bdev+0x358/0x544 [ 69.444835][ T5650] gfs2_get_tree+0x54/0x1b4 [ 69.445539][ T5650] vfs_get_tree+0x90/0x274 [ 69.446244][ T5650] do_new_mount+0x228/0x810 [ 69.446953][ T5650] path_mount+0x5b4/0x1000 [ 69.447649][ T5650] __arm64_sys_mount+0x514/0x5e4 [ 69.448429][ T5650] invoke_syscall+0x98/0x2b8 [ 69.449130][ T5650] el0_svc_common+0x138/0x258 [ 69.449858][ T5650] do_el0_svc+0x58/0x14c [ 69.450514][ T5650] el0_svc+0x78/0x1e0 [ 69.451125][ T5650] el0t_64_sync_handler+0xcc/0xe4 [ 69.451909][ T5650] el0t_64_sync+0x1a0/0x1a4 [ 69.466901][ T5650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.469035][ T5650] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.616864][ T1544] cfg80211: failed to load regulatory.db [ 69.618140][ T2066] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.619135][ T2066] ieee802154 phy1 wpan1: encryption failed: -22