Warning: Permanently added '10.128.1.82' (ED25519) to the list of known hosts. 1970/01/01 00:01:01 parsed 1 programs [ 63.100793][ T4577] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 64.604911][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.606153][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.609156][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.642085][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.643355][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.645082][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.799356][ T4738] chnl_net:caif_netlink_parms(): no params data found [ 64.918878][ T4738] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.920114][ T4738] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.921648][ T4738] device bridge_slave_0 entered promiscuous mode [ 64.923759][ T4738] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.924806][ T4738] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.926469][ T4738] device bridge_slave_1 entered promiscuous mode [ 64.981145][ T4738] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.984024][ T4738] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.018838][ T4738] team0: Port device team_slave_0 added [ 65.022969][ T4738] team0: Port device team_slave_1 added [ 65.035015][ T4738] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.036116][ T4738] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.040565][ T4738] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.042934][ T4738] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.044060][ T4738] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.048168][ T4738] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.078626][ T4738] device hsr_slave_0 entered promiscuous mode [ 65.127574][ T4738] device hsr_slave_1 entered promiscuous mode [ 65.756431][ T4738] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.798591][ T4738] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.848533][ T4738] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.889699][ T4738] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.960231][ T4738] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.964807][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.966318][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.970461][ T4738] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.973030][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.974765][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.976311][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.977323][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.979007][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.993213][ T4738] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.995010][ T4738] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.004774][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.006488][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.008974][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.009873][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.011042][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.017899][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.019641][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.025222][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.026804][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.038567][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.040198][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.041856][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.043816][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.045359][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.055699][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.057324][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.080591][ T4738] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.088236][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.089686][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.090911][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.092745][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.108989][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.110706][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.112469][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.113931][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.116721][ T4738] device veth0_vlan entered promiscuous mode [ 66.121193][ T4738] device veth1_vlan entered promiscuous mode [ 66.130527][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.131865][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.133312][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.134804][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.138882][ T4738] device veth0_macvtap entered promiscuous mode [ 66.141555][ T4738] device veth1_macvtap entered promiscuous mode [ 66.149103][ T4738] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.150366][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.151935][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.153313][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.155014][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.159304][ T4738] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.160579][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.162096][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.165047][ T4738] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.166537][ T4738] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.169680][ T4738] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.171055][ T4738] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:06 executed programs: 0 [ 66.632593][ T4871] chnl_net:caif_netlink_parms(): no params data found [ 66.709397][ T4871] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.710601][ T4871] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.715351][ T4871] device bridge_slave_0 entered promiscuous mode [ 66.731648][ T4871] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.732777][ T4871] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.734454][ T4871] device bridge_slave_1 entered promiscuous mode [ 66.759973][ T4877] chnl_net:caif_netlink_parms(): no params data found [ 66.772868][ T4890] chnl_net:caif_netlink_parms(): no params data found [ 66.777811][ T4899] chnl_net:caif_netlink_parms(): no params data found [ 66.783990][ T4871] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.786862][ T4871] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.835103][ T4871] team0: Port device team_slave_0 added [ 66.857083][ T4871] team0: Port device team_slave_1 added [ 66.869720][ T4877] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.870944][ T4877] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.872364][ T4877] device bridge_slave_0 entered promiscuous mode [ 66.884220][ T4890] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.885360][ T4890] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.886884][ T4890] device bridge_slave_0 entered promiscuous mode [ 66.896502][ T4871] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.898257][ T4871] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.902030][ T4871] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.904259][ T4877] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.905412][ T4877] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.906946][ T4877] device bridge_slave_1 entered promiscuous mode [ 66.918092][ T4902] chnl_net:caif_netlink_parms(): no params data found [ 66.922096][ T4899] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.923321][ T4899] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.925163][ T4899] device bridge_slave_0 entered promiscuous mode [ 66.927144][ T4890] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.928767][ T4890] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.930272][ T4890] device bridge_slave_1 entered promiscuous mode [ 66.932372][ T4871] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.933597][ T4871] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.938770][ T4871] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.948354][ T4877] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.955482][ T4899] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.956842][ T4899] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.958782][ T4899] device bridge_slave_1 entered promiscuous mode [ 66.980899][ T4877] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.999492][ T4871] device hsr_slave_0 entered promiscuous mode [ 67.057815][ T4871] device hsr_slave_1 entered promiscuous mode [ 67.097318][ T4871] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.098455][ T4871] Cannot create hsr debugfs directory [ 67.118691][ T4890] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.125325][ T4877] team0: Port device team_slave_0 added [ 67.130577][ T4899] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.134983][ T4890] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.144631][ T4877] team0: Port device team_slave_1 added [ 67.150714][ T4899] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.182334][ T4890] team0: Port device team_slave_0 added [ 67.198752][ T4877] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.200023][ T4877] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.204353][ T4877] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.211527][ T4890] team0: Port device team_slave_1 added [ 67.220932][ T4902] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.222128][ T4902] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.223672][ T4902] device bridge_slave_0 entered promiscuous mode [ 67.226441][ T4902] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.230585][ T4902] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.232149][ T4902] device bridge_slave_1 entered promiscuous mode [ 67.236997][ T4899] team0: Port device team_slave_0 added [ 67.240849][ T4899] team0: Port device team_slave_1 added [ 67.253200][ T4890] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.254283][ T4890] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.259958][ T4890] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.262199][ T4877] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.263451][ T4877] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.270936][ T4877] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.290623][ T4899] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.291821][ T4899] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.296527][ T4899] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.300434][ T4890] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.301602][ T4890] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.305852][ T4890] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.316085][ T4902] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.331003][ T4899] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.332224][ T4899] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.336500][ T4899] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.344488][ T4902] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.460186][ T4877] device hsr_slave_0 entered promiscuous mode [ 67.488302][ T4877] device hsr_slave_1 entered promiscuous mode [ 67.517727][ T4877] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.519037][ T4877] Cannot create hsr debugfs directory [ 67.559288][ T4890] device hsr_slave_0 entered promiscuous mode [ 67.617654][ T4890] device hsr_slave_1 entered promiscuous mode [ 67.657355][ T4890] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.658617][ T4890] Cannot create hsr debugfs directory [ 67.698628][ T4899] device hsr_slave_0 entered promiscuous mode [ 67.747493][ T4899] device hsr_slave_1 entered promiscuous mode [ 67.787319][ T4899] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.788448][ T4899] Cannot create hsr debugfs directory [ 67.795115][ T4902] team0: Port device team_slave_0 added [ 67.838688][ T4902] team0: Port device team_slave_1 added [ 67.859235][ T4902] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.860369][ T4902] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.864286][ T4902] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.908931][ T4902] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.910128][ T4902] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.914117][ T4902] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.979243][ T4902] device hsr_slave_0 entered promiscuous mode [ 68.017935][ T4902] device hsr_slave_1 entered promiscuous mode [ 68.039002][ T4902] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.040325][ T4902] Cannot create hsr debugfs directory [ 68.340846][ T4871] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.380093][ T4871] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.401460][ T4871] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.417774][ T4137] Bluetooth: hci1: command 0x0409 tx timeout [ 68.438779][ T4871] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.480021][ T4899] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.484898][ T4877] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.497032][ T4835] Bluetooth: hci2: command 0x0409 tx timeout [ 68.518864][ T4877] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.553995][ T4877] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.568187][ T4835] Bluetooth: hci3: command 0x0409 tx timeout [ 68.569319][ T4835] Bluetooth: hci0: command 0x0409 tx timeout [ 68.571054][ T4139] Bluetooth: hci4: command 0x0409 tx timeout [ 68.599714][ T4877] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.668306][ T4871] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.682486][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.684120][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.694588][ T4877] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.699081][ T4871] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.703675][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.705054][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.712911][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.714678][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.716176][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.717327][ T360] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.719583][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.723409][ T4877] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.727806][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.729457][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.730881][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.731999][ T360] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.733385][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.743988][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.745729][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.747144][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.748269][ T360] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.751606][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.753458][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.755183][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.757160][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.758353][ T360] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.760161][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.763593][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.778428][ T4877] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.780111][ T4877] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.782602][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.784779][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.786313][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.789518][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.791253][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.792952][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.794628][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.796213][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.798747][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.800486][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.802021][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.803644][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.805041][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.806826][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.815017][ T4871] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.817044][ T4871] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.821512][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.823074][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.824893][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.827368][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.828896][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.909425][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.910782][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.915762][ T4877] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.924603][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.925815][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.931640][ T4871] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.951394][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.953054][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.954621][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.956219][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.973891][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.975633][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.981472][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.982938][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.986507][ T4877] device veth0_vlan entered promiscuous mode [ 68.992213][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.993800][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.996594][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.999780][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.008360][ T4871] device veth0_vlan entered promiscuous mode [ 69.011966][ T4877] device veth1_vlan entered promiscuous mode [ 69.015458][ T4871] device veth1_vlan entered promiscuous mode [ 69.035989][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.037810][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.039976][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.041422][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.042934][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.044482][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.051729][ T4877] device veth0_macvtap entered promiscuous mode [ 69.053395][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.055039][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.056581][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.062979][ T4871] device veth0_macvtap entered promiscuous mode [ 69.065734][ T4871] device veth1_macvtap entered promiscuous mode [ 69.071974][ T4877] device veth1_macvtap entered promiscuous mode [ 69.077650][ T4871] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.079462][ T4871] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.081890][ T4871] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.083876][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.085269][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.086778][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.089288][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.091177][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.098378][ T4871] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 69.100031][ T4871] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.102197][ T4871] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.104933][ T4871] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.106399][ T4871] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.108704][ T4871] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.110012][ T4871] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.115956][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.117851][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.122267][ T4877] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.124020][ T4877] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.125579][ T4877] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.132197][ T4877] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.135052][ T4877] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.136588][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.138459][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.157112][ T4877] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 69.159506][ T4877] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.161221][ T4877] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 69.162890][ T4877] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.165271][ T4877] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.176335][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.178248][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.185711][ T4877] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.187000][ T4877] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.193430][ T4877] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.194844][ T4877] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.205588][ T360] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.206812][ T360] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.208846][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.254566][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.256030][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.257532][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.272028][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.273169][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.274454][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.314482][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.315746][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.317054][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.530907][ T5153] loop0: detected capacity change from 0 to 32768 [ 69.561499][ T5158] loop1: detected capacity change from 0 to 32768 [ 69.566983][ T5153] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 69.568854][ T5153] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 69.601473][ T5158] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.602748][ T5158] CPU: 0 PID: 5158 Comm: syz.1.16 Not tainted syzkaller #0 [ 69.603924][ T5158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.605517][ T5158] Call trace: [ 69.605958][ T5158] dump_backtrace+0x0/0x458 [ 69.606578][ T5158] show_stack+0x2c/0x3c [ 69.607242][ T5158] __dump_stack+0x30/0x40 [ 69.608061][ T5158] dump_stack_lvl+0xf4/0x15c [ 69.608786][ T5158] dump_stack+0x1c/0x5c [ 69.609440][ T5158] sysfs_create_dir_ns+0x244/0x264 [ 69.610234][ T5158] kobject_add_internal+0x5ac/0xc3c [ 69.611010][ T5158] kobject_init_and_add+0x124/0x190 [ 69.611756][ T5158] gfs2_sys_fs_add+0x200/0x41c [ 69.612420][ T5158] gfs2_fill_super+0xddc/0x1a18 [ 69.613094][ T5158] get_tree_bdev+0x358/0x544 [ 69.613781][ T5158] gfs2_get_tree+0x54/0x1b4 [ 69.614411][ T5158] vfs_get_tree+0x90/0x274 [ 69.615096][ T5158] do_new_mount+0x228/0x810 [ 69.615758][ T5158] path_mount+0x5bc/0x1008 [ 69.616326][ T2065] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.616355][ T5158] __arm64_sys_mount+0x514/0x5f0 [ 69.617497][ T2065] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.618241][ T5158] invoke_syscall+0x98/0x2b0 [ 69.619941][ T5158] el0_svc_common+0x138/0x258 [ 69.620643][ T5158] do_el0_svc+0x58/0x13c [ 69.621249][ T5158] el0_svc+0x78/0x1d0 [ 69.621845][ T5158] el0t_64_sync_handler+0xcc/0xe4 [ 69.622556][ T5158] el0t_64_sync+0x1a0/0x1a4 [ 69.624824][ T1540] cfg80211: failed to load regulatory.db [ 69.641987][ T5153] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 69.681714][ T5158] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.683541][ T5158] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.717841][ T5153] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 70.026619][ T5158] loop1: detected capacity change from 0 to 32768 [ 70.068863][ T5158] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.070159][ T5158] CPU: 0 PID: 5158 Comm: syz.1.16 Not tainted syzkaller #0 [ 70.071292][ T5158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.072826][ T5158] Call trace: [ 70.073319][ T5158] dump_backtrace+0x0/0x458 [ 70.074074][ T5158] show_stack+0x2c/0x3c [ 70.074744][ T5158] __dump_stack+0x30/0x40 [ 70.075472][ T5158] dump_stack_lvl+0xf4/0x15c [ 70.076160][ T5158] dump_stack+0x1c/0x5c [ 70.076792][ T5158] sysfs_create_dir_ns+0x244/0x264 [ 70.077627][ T5158] kobject_add_internal+0x5ac/0xc3c [ 70.078416][ T5158] kobject_init_and_add+0x124/0x190 [ 70.079233][ T5158] gfs2_sys_fs_add+0x200/0x41c [ 70.079952][ T5158] gfs2_fill_super+0xddc/0x1a18 [ 70.080761][ T5158] get_tree_bdev+0x358/0x544 [ 70.081528][ T5158] gfs2_get_tree+0x54/0x1b4 [ 70.082167][ T5158] vfs_get_tree+0x90/0x274 [ 70.082803][ T5158] do_new_mount+0x228/0x810 [ 70.083453][ T5158] path_mount+0x5bc/0x1008 [ 70.084118][ T5158] __arm64_sys_mount+0x514/0x5f0 [ 70.084953][ T5158] invoke_syscall+0x98/0x2b0 [ 70.085696][ T5158] el0_svc_common+0x138/0x258 [ 70.086519][ T5158] do_el0_svc+0x58/0x13c [ 70.087188][ T5158] el0_svc+0x78/0x1d0 [ 70.087804][ T5158] el0t_64_sync_handler+0xcc/0xe4 [ 70.088718][ T5158] el0t_64_sync+0x1a0/0x1a4 [ 70.127876][ T5158] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.130364][ T5158] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.487942][ T4835] Bluetooth: hci1: command 0x041b tx timeout [ 70.568304][ T4835] Bluetooth: hci2: command 0x041b tx timeout [ 70.611840][ T5197] loop1: detected capacity change from 0 to 32768 [ 70.629140][ T5197] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 70.630485][ T5197] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 70.642793][ T5197] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 70.647853][ T4835] Bluetooth: hci4: command 0x041b tx timeout [ 70.648982][ T4835] Bluetooth: hci0: command 0x041b tx timeout [ 70.650083][ T4835] Bluetooth: hci3: command 0x041b tx timeout [ 70.730580][ T5197] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 70.733968][ T5206] loop0: detected capacity change from 0 to 32768 [ 70.780719][ T5206] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.781924][ T5206] CPU: 0 PID: 5206 Comm: syz.0.21 Not tainted syzkaller #0 [ 70.782958][ T5206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.784519][ T5206] Call trace: [ 70.785090][ T5206] dump_backtrace+0x0/0x458 [ 70.785925][ T5206] show_stack+0x2c/0x3c [ 70.786540][ T5206] __dump_stack+0x30/0x40 [ 70.787227][ T5206] dump_stack_lvl+0xf4/0x15c [ 70.787902][ T5206] dump_stack+0x1c/0x5c [ 70.788601][ T5206] sysfs_create_dir_ns+0x244/0x264 [ 70.789453][ T5206] kobject_add_internal+0x5ac/0xc3c [ 70.790186][ T5206] kobject_init_and_add+0x124/0x190 [ 70.790923][ T5206] gfs2_sys_fs_add+0x200/0x41c [ 70.791712][ T5206] gfs2_fill_super+0xddc/0x1a18 [ 70.792365][ T5206] get_tree_bdev+0x358/0x544 [ 70.793118][ T5206] gfs2_get_tree+0x54/0x1b4 [ 70.793903][ T5206] vfs_get_tree+0x90/0x274 [ 70.794614][ T5206] do_new_mount+0x228/0x810 [ 70.795333][ T5206] path_mount+0x5bc/0x1008 [ 70.796120][ T5206] __arm64_sys_mount+0x514/0x5f0 [ 70.796937][ T5206] invoke_syscall+0x98/0x2b0 [ 70.797728][ T5206] el0_svc_common+0x138/0x258 [ 70.798444][ T5206] do_el0_svc+0x58/0x13c [ 70.799086][ T5206] el0_svc+0x78/0x1d0 [ 70.799702][ T5206] el0t_64_sync_handler+0xcc/0xe4 [ 70.800519][ T5206] el0t_64_sync+0x1a0/0x1a4 [ 70.847341][ T5206] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.849297][ T5206] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.229291][ T5206] loop0: detected capacity change from 0 to 32768 [ 71.281751][ T5206] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 71.283069][ T5206] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 71.295230][ T5206] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 71.303478][ T4138] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 71.304636][ T4138] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 71.345060][ T4138] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 40ms [ 71.354746][ T4138] gfs2: fsid=syz:syz.0: jid=0: Done [ 71.355911][ T5206] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 71.436646][ T5206] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 71.441284][ T149] [ 71.441698][ T149] ====================================================== [ 71.442834][ T149] WARNING: possible circular locking dependency detected [ 71.443911][ T149] syzkaller #0 Not tainted [ 71.444667][ T149] ------------------------------------------------------ [ 71.445878][ T149] kworker/0:1H/149 is trying to acquire lock: [ 71.447076][ T149] ffff0000f1f700e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x36c [ 71.448608][ T149] [ 71.448608][ T149] but task is already holding lock: [ 71.449727][ T149] ffff80001bf27c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 71.451418][ T149] [ 71.451418][ T149] which lock already depends on the new lock. [ 71.451418][ T149] [ 71.452991][ T149] [ 71.452991][ T149] the existing dependency chain (in reverse order) is: [ 71.454447][ T149] [ 71.454447][ T149] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 71.456019][ T149] process_one_work+0x6e0/0x1138 [ 71.456889][ T149] worker_thread+0x8f4/0x1034 [ 71.457746][ T149] kthread+0x374/0x454 [ 71.458445][ T149] ret_from_fork+0x10/0x20 [ 71.459203][ T149] [ 71.459203][ T149] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 71.460654][ T149] flush_workqueue+0x130/0x104c [ 71.461490][ T149] gfs2_gl_hash_clear+0xb0/0x2cc [ 71.462419][ T149] gfs2_put_super+0x614/0x6b4 [ 71.463273][ T149] generic_shutdown_super+0x130/0x2f0 [ 71.464097][ T149] kill_block_super+0x70/0xdc [ 71.464841][ T149] gfs2_kill_sb+0xc0/0xd4 [ 71.465593][ T149] deactivate_locked_super+0xb8/0x134 [ 71.466471][ T149] deactivate_super+0xf0/0x110 [ 71.467340][ T149] cleanup_mnt+0x3b8/0x46c [ 71.468130][ T149] __cleanup_mnt+0x20/0x30 [ 71.468889][ T149] task_work_run+0x12c/0x1d8 [ 71.469659][ T149] do_notify_resume+0x2450/0x309c [ 71.470393][ T149] el0_svc+0xf0/0x1d0 [ 71.471036][ T149] el0t_64_sync_handler+0xcc/0xe4 [ 71.471783][ T149] el0t_64_sync+0x1a0/0x1a4 [ 71.472658][ T149] [ 71.472658][ T149] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 71.473948][ T149] __lock_acquire+0x2870/0x67ec [ 71.474784][ T149] lock_acquire+0x1f4/0x618 [ 71.475540][ T149] down_write+0xbc/0x12c [ 71.476278][ T149] freeze_super+0x54/0x36c [ 71.477077][ T149] freeze_go_sync+0x128/0x31c [ 71.477928][ T149] do_xmote+0x2ec/0xf58 [ 71.478650][ T149] run_queue+0x3fc/0x698 [ 71.479494][ T149] glock_work_func+0x208/0x440 [ 71.480335][ T149] process_one_work+0x79c/0x1138 [ 71.481214][ T149] worker_thread+0x8f4/0x1034 [ 71.482041][ T149] kthread+0x374/0x454 [ 71.482739][ T149] ret_from_fork+0x10/0x20 [ 71.483437][ T149] [ 71.483437][ T149] other info that might help us debug this: [ 71.483437][ T149] [ 71.485009][ T149] Chain exists of: [ 71.485009][ T149] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 71.485009][ T149] [ 71.487666][ T149] Possible unsafe locking scenario: [ 71.487666][ T149] [ 71.488760][ T149] CPU0 CPU1 [ 71.489540][ T149] ---- ---- [ 71.490294][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 71.490914][ T5249] loop1: detected capacity change from 0 to 32768 [ 71.491227][ T149] lock((wq_completion)glock_workqueue); [ 71.493275][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 71.494546][ T149] lock(&type->s_umount_key#50); [ 71.495410][ T149] [ 71.495410][ T149] *** DEADLOCK *** [ 71.495410][ T149] [ 71.496726][ T149] 2 locks held by kworker/0:1H/149: [ 71.497590][ T149] #0: ffff0000c68df938 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1138 [ 71.499251][ T149] #1: ffff80001bf27c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 71.500966][ T149] [ 71.500966][ T149] stack backtrace: [ 71.501861][ T149] CPU: 0 PID: 149 Comm: kworker/0:1H Not tainted syzkaller #0 [ 71.502947][ T149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.504498][ T149] Workqueue: glock_workqueue glock_work_func [ 71.505449][ T149] Call trace: [ 71.505917][ T149] dump_backtrace+0x0/0x458 [ 71.506646][ T149] show_stack+0x2c/0x3c [ 71.507316][ T149] __dump_stack+0x30/0x40 [ 71.507979][ T149] dump_stack_lvl+0xf4/0x15c [ 71.508650][ T149] dump_stack+0x1c/0x5c [ 71.509321][ T149] print_circular_bug+0x148/0x1b0 [ 71.510138][ T149] check_noncircular+0x264/0x2f8 [ 71.510903][ T149] __lock_acquire+0x2870/0x67ec [ 71.511753][ T149] lock_acquire+0x1f4/0x618 [ 71.512482][ T149] down_write+0xbc/0x12c [ 71.513150][ T149] freeze_super+0x54/0x36c [ 71.513801][ T149] freeze_go_sync+0x128/0x31c [ 71.514532][ T149] do_xmote+0x2ec/0xf58 [ 71.515190][ T149] run_queue+0x3fc/0x698 [ 71.515820][ T149] glock_work_func+0x208/0x440 [ 71.516514][ T149] process_one_work+0x79c/0x1138 [ 71.517263][ T149] worker_thread+0x8f4/0x1034 [ 71.517909][ T149] kthread+0x374/0x454 [ 71.518532][ T149] ret_from_fork+0x10/0x20 [ 71.522659][ T5249] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.523750][ T5249] CPU: 0 PID: 5249 Comm: syz.1.22 Not tainted syzkaller #0 [ 71.524909][ T5249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.526434][ T5249] Call trace: [ 71.526869][ T5249] dump_backtrace+0x0/0x458 [ 71.527499][ T5249] show_stack+0x2c/0x3c [ 71.528116][ T5249] __dump_stack+0x30/0x40 [ 71.528772][ T5249] dump_stack_lvl+0xf4/0x15c [ 71.529482][ T5249] dump_stack+0x1c/0x5c [ 71.530163][ T5249] sysfs_create_dir_ns+0x244/0x264 [ 71.531116][ T5249] kobject_add_internal+0x5ac/0xc3c [ 71.531956][ T5249] kobject_init_and_add+0x124/0x190 [ 71.532713][ T5249] gfs2_sys_fs_add+0x200/0x41c [ 71.533430][ T5249] gfs2_fill_super+0xddc/0x1a18 [ 71.534231][ T5249] get_tree_bdev+0x358/0x544 [ 71.534911][ T5249] gfs2_get_tree+0x54/0x1b4 [ 71.535622][ T5249] vfs_get_tree+0x90/0x274 [ 71.536283][ T5249] do_new_mount+0x228/0x810 [ 71.536957][ T5249] path_mount+0x5bc/0x1008 [ 71.537642][ T5249] __arm64_sys_mount+0x514/0x5f0 [ 71.538404][ T5249] invoke_syscall+0x98/0x2b0 [ 71.539104][ T5249] el0_svc_common+0x138/0x258 [ 71.539747][ T5249] do_el0_svc+0x58/0x13c [ 71.540382][ T5249] el0_svc+0x78/0x1d0 [ 71.541056][ T5249] el0t_64_sync_handler+0xcc/0xe4 [ 71.541947][ T5249] el0t_64_sync+0x1a0/0x1a4 [ 71.545253][ T5249] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.547342][ T5249] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.661672][ T5249] loop1: detected capacity change from 0 to 32768 [ 71.710575][ T5249] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.711783][ T5249] CPU: 0 PID: 5249 Comm: syz.1.22 Not tainted syzkaller #0 [ 71.712959][ T5249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.714348][ T5249] Call trace: [ 71.714898][ T5249] dump_backtrace+0x0/0x458 [ 71.715650][ T5249] show_stack+0x2c/0x3c [ 71.716318][ T5249] __dump_stack+0x30/0x40 [ 71.716916][ T5249] dump_stack_lvl+0xf4/0x15c [ 71.717557][ T5249] dump_stack+0x1c/0x5c [ 71.718157][ T5249] sysfs_create_dir_ns+0x244/0x264 [ 71.718851][ T5249] kobject_add_internal+0x5ac/0xc3c [ 71.719712][ T5249] kobject_init_and_add+0x124/0x190 [ 71.720498][ T5249] gfs2_sys_fs_add+0x200/0x41c [ 71.721309][ T5249] gfs2_fill_super+0xddc/0x1a18 [ 71.722103][ T5249] get_tree_bdev+0x358/0x544 [ 71.722852][ T5249] gfs2_get_tree+0x54/0x1b4 [ 71.723554][ T5249] vfs_get_tree+0x90/0x274 [ 71.724252][ T5249] do_new_mount+0x228/0x810 [ 71.725003][ T5249] path_mount+0x5bc/0x1008 [ 71.725617][ T5249] __arm64_sys_mount+0x514/0x5f0 [ 71.726305][ T5249] invoke_syscall+0x98/0x2b0 [ 71.726957][ T5249] el0_svc_common+0x138/0x258 [ 71.727629][ T5249] do_el0_svc+0x58/0x13c [ 71.728276][ T5249] el0_svc+0x78/0x1d0 [ 71.728847][ T5249] el0t_64_sync_handler+0xcc/0xe4 [ 71.729597][ T5249] el0t_64_sync+0x1a0/0x1a4 [ 71.730563][ T5249] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.732545][ T5249] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:11 executed programs: 15 [ 71.902700][ T5269] loop1: detected capacity change from 0 to 32768 [ 71.905843][ T5269] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.907157][ T5269] CPU: 1 PID: 5269 Comm: syz.1.23 Not tainted syzkaller #0 [ 71.908289][ T5269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.909905][ T5269] Call trace: [ 71.910405][ T5269] dump_backtrace+0x0/0x458 [ 71.911141][ T5269] show_stack+0x2c/0x3c [ 71.911806][ T5269] __dump_stack+0x30/0x40 [ 71.912573][ T5269] dump_stack_lvl+0xf4/0x15c [ 71.913283][ T5269] dump_stack+0x1c/0x5c [ 71.913936][ T5269] sysfs_create_dir_ns+0x244/0x264 [ 71.914738][ T5269] kobject_add_internal+0x5ac/0xc3c [ 71.915548][ T5269] kobject_init_and_add+0x124/0x190 [ 71.916405][ T5269] gfs2_sys_fs_add+0x200/0x41c [ 71.917110][ T5269] gfs2_fill_super+0xddc/0x1a18 [ 71.917821][ T5269] get_tree_bdev+0x358/0x544 [ 71.918609][ T5269] gfs2_get_tree+0x54/0x1b4 [ 71.919267][ T5269] vfs_get_tree+0x90/0x274 [ 71.919956][ T5269] do_new_mount+0x228/0x810 [ 71.920663][ T5269] path_mount+0x5bc/0x1008 [ 71.921322][ T5269] __arm64_sys_mount+0x514/0x5f0 [ 71.922062][ T5269] invoke_syscall+0x98/0x2b0 [ 71.922763][ T5269] el0_svc_common+0x138/0x258 [ 71.923463][ T5269] do_el0_svc+0x58/0x13c [ 71.924083][ T5269] el0_svc+0x78/0x1d0 [ 71.924670][ T5269] el0t_64_sync_handler+0xcc/0xe4 [ 71.925454][ T5269] el0t_64_sync+0x1a0/0x1a4 [ 71.928004][ T5269] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.930036][ T5269] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.056515][ T5269] loop1: detected capacity change from 0 to 32768 [ 72.061711][ T5269] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.062925][ T5269] CPU: 0 PID: 5269 Comm: syz.1.23 Not tainted syzkaller #0 [ 72.064006][ T5269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.065509][ T5269] Call trace: [ 72.065988][ T5269] dump_backtrace+0x0/0x458 [ 72.066663][ T5269] show_stack+0x2c/0x3c [ 72.067286][ T5269] __dump_stack+0x30/0x40 [ 72.067957][ T5269] dump_stack_lvl+0xf4/0x15c [ 72.068665][ T5269] dump_stack+0x1c/0x5c [ 72.069273][ T5269] sysfs_create_dir_ns+0x244/0x264 [ 72.070049][ T5269] kobject_add_internal+0x5ac/0xc3c [ 72.070874][ T5269] kobject_init_and_add+0x124/0x190 [ 72.071696][ T5269] gfs2_sys_fs_add+0x200/0x41c [ 72.072440][ T5269] gfs2_fill_super+0xddc/0x1a18 [ 72.073239][ T5269] get_tree_bdev+0x358/0x544 [ 72.073965][ T5269] gfs2_get_tree+0x54/0x1b4 [ 72.074661][ T5269] vfs_get_tree+0x90/0x274 [ 72.075280][ T5269] do_new_mount+0x228/0x810 [ 72.076000][ T5269] path_mount+0x5bc/0x1008 [ 72.076691][ T5269] __arm64_sys_mount+0x514/0x5f0 [ 72.077499][ T5269] invoke_syscall+0x98/0x2b0 [ 72.078233][ T5269] el0_svc_common+0x138/0x258 [ 72.078940][ T5269] do_el0_svc+0x58/0x13c [ 72.079587][ T5269] el0_svc+0x78/0x1d0 [ 72.080260][ T5269] el0t_64_sync_handler+0xcc/0xe4 [ 72.081039][ T5269] el0t_64_sync+0x1a0/0x1a4 [ 72.083621][ T5269] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.085772][ T5269] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.250169][ T5312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.251462][ T5312] CPU: 1 PID: 5312 Comm: syz.1.24 Not tainted syzkaller #0 [ 72.252622][ T5312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.254005][ T5312] Call trace: [ 72.254471][ T5312] dump_backtrace+0x0/0x458 [ 72.255092][ T5312] show_stack+0x2c/0x3c [ 72.255654][ T5312] __dump_stack+0x30/0x40 [ 72.256264][ T5312] dump_stack_lvl+0xf4/0x15c [ 72.256961][ T5312] dump_stack+0x1c/0x5c [ 72.257624][ T5312] sysfs_create_dir_ns+0x244/0x264 [ 72.258341][ T5312] kobject_add_internal+0x5ac/0xc3c [ 72.259112][ T5312] kobject_init_and_add+0x124/0x190 [ 72.259927][ T5312] gfs2_sys_fs_add+0x200/0x41c [ 72.260701][ T5312] gfs2_fill_super+0xddc/0x1a18 [ 72.261501][ T5312] get_tree_bdev+0x358/0x544 [ 72.262224][ T5312] gfs2_get_tree+0x54/0x1b4 [ 72.262953][ T5312] vfs_get_tree+0x90/0x274 [ 72.263620][ T5312] do_new_mount+0x228/0x810 [ 72.264316][ T5312] path_mount+0x5bc/0x1008 [ 72.264957][ T5312] __arm64_sys_mount+0x514/0x5f0 [ 72.265713][ T5312] invoke_syscall+0x98/0x2b0 [ 72.266431][ T5312] el0_svc_common+0x138/0x258 [ 72.267219][ T5312] do_el0_svc+0x58/0x13c [ 72.267899][ T5312] el0_svc+0x78/0x1d0 [ 72.268602][ T5312] el0t_64_sync_handler+0xcc/0xe4 [ 72.269412][ T5312] el0t_64_sync+0x1a0/0x1a4 [ 72.271778][ T5312] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.274024][ T5312] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.302765][ T4899] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.410934][ T4899] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.459729][ T5312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.460964][ T5312] CPU: 1 PID: 5312 Comm: syz.1.24 Not tainted syzkaller #0 [ 72.462079][ T5312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.463761][ T5312] Call trace: [ 72.464314][ T5312] dump_backtrace+0x0/0x458 [ 72.465051][ T5312] show_stack+0x2c/0x3c [ 72.465725][ T5312] __dump_stack+0x30/0x40 [ 72.466529][ T5312] dump_stack_lvl+0xf4/0x15c [ 72.467324][ T5312] dump_stack+0x1c/0x5c [ 72.468022][ T5312] sysfs_create_dir_ns+0x244/0x264 [ 72.468864][ T5312] kobject_add_internal+0x5ac/0xc3c [ 72.469722][ T5312] kobject_init_and_add+0x124/0x190 [ 72.470613][ T5312] gfs2_sys_fs_add+0x200/0x41c [ 72.471240][ T5312] gfs2_fill_super+0xddc/0x1a18 [ 72.471999][ T5312] get_tree_bdev+0x358/0x544 [ 72.472714][ T5312] gfs2_get_tree+0x54/0x1b4 [ 72.473476][ T5312] vfs_get_tree+0x90/0x274 [ 72.474242][ T5312] do_new_mount+0x228/0x810 [ 72.475011][ T5312] path_mount+0x5bc/0x1008 [ 72.475735][ T5312] __arm64_sys_mount+0x514/0x5f0 [ 72.476495][ T5312] invoke_syscall+0x98/0x2b0 [ 72.477276][ T5312] el0_svc_common+0x138/0x258 [ 72.478025][ T5312] do_el0_svc+0x58/0x13c [ 72.478705][ T5312] el0_svc+0x78/0x1d0 [ 72.479377][ T5312] el0t_64_sync_handler+0xcc/0xe4 [ 72.480147][ T5312] el0t_64_sync+0x1a0/0x1a4 [ 72.493419][ T4899] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.494949][ T5312] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.507502][ T5312] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.567430][ T4073] Bluetooth: hci1: command 0x040f tx timeout [ 72.647552][ T4073] Bluetooth: hci2: command 0x040f tx timeout [ 72.671854][ T4890] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.713144][ T4902] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.727369][ T4073] Bluetooth: hci3: command 0x040f tx timeout [ 72.728393][ T4073] Bluetooth: hci0: command 0x040f tx timeout [ 72.729398][ T4073] Bluetooth: hci4: command 0x040f tx timeout [ 72.758387][ T4902] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.802521][ T5386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.803715][ T5386] CPU: 1 PID: 5386 Comm: syz.1.25 Not tainted syzkaller #0 [ 72.804964][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.806555][ T5386] Call trace: [ 72.807045][ T5386] dump_backtrace+0x0/0x458 [ 72.807825][ T5386] show_stack+0x2c/0x3c [ 72.808074][ T4890] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.808544][ T5386] __dump_stack+0x30/0x40 [ 72.810213][ T5386] dump_stack_lvl+0xf4/0x15c [ 72.810889][ T5386] dump_stack+0x1c/0x5c [ 72.811475][ T5386] sysfs_create_dir_ns+0x244/0x264 [ 72.812199][ T5386] kobject_add_internal+0x5ac/0xc3c [ 72.813004][ T5386] kobject_init_and_add+0x124/0x190 [ 72.813764][ T5386] gfs2_sys_fs_add+0x200/0x41c [ 72.814446][ T5386] gfs2_fill_super+0xddc/0x1a18 [ 72.815178][ T5386] get_tree_bdev+0x358/0x544 [ 72.815908][ T5386] gfs2_get_tree+0x54/0x1b4 [ 72.816581][ T5386] vfs_get_tree+0x90/0x274 [ 72.817277][ T5386] do_new_mount+0x228/0x810 [ 72.817928][ T5386] path_mount+0x5bc/0x1008 [ 72.818642][ T5386] __arm64_sys_mount+0x514/0x5f0 [ 72.819357][ T5386] invoke_syscall+0x98/0x2b0 [ 72.819972][ T5386] el0_svc_common+0x138/0x258 [ 72.820731][ T5386] do_el0_svc+0x58/0x13c [ 72.821363][ T5386] el0_svc+0x78/0x1d0 [ 72.821880][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 72.822687][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 72.824543][ T5386] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.826687][ T5386] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.869067][ T4890] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.911698][ T4902] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.929735][ T4902] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.957931][ T5386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.959170][ T5386] CPU: 0 PID: 5386 Comm: syz.1.25 Not tainted syzkaller #0 [ 72.960291][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.961816][ T5386] Call trace: [ 72.962292][ T5386] dump_backtrace+0x0/0x458 [ 72.963082][ T5386] show_stack+0x2c/0x3c [ 72.963805][ T5386] __dump_stack+0x30/0x40 [ 72.964495][ T5386] dump_stack_lvl+0xf4/0x15c [ 72.965223][ T5386] dump_stack+0x1c/0x5c [ 72.965958][ T5386] sysfs_create_dir_ns+0x244/0x264 [ 72.966783][ T5386] kobject_add_internal+0x5ac/0xc3c [ 72.967682][ T5386] kobject_init_and_add+0x124/0x190 [ 72.968475][ T5386] gfs2_sys_fs_add+0x200/0x41c [ 72.969239][ T5386] gfs2_fill_super+0xddc/0x1a18 [ 72.970012][ T5386] get_tree_bdev+0x358/0x544 [ 72.970795][ T5386] gfs2_get_tree+0x54/0x1b4 [ 72.971407][ T5386] vfs_get_tree+0x90/0x274 [ 72.972096][ T5386] do_new_mount+0x228/0x810 [ 72.972803][ T5386] path_mount+0x5bc/0x1008 [ 72.973489][ T5386] __arm64_sys_mount+0x514/0x5f0 [ 72.974196][ T5386] invoke_syscall+0x98/0x2b0 [ 72.974909][ T5386] el0_svc_common+0x138/0x258 [ 72.975690][ T5386] do_el0_svc+0x58/0x13c [ 72.976281][ T5386] el0_svc+0x78/0x1d0 [ 72.976869][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 72.977678][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 72.978968][ T5386] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.980856][ T5386] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.003120][ T4890] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 73.054081][ T4899] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.097445][ T4899] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.138880][ T4899] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.161075][ T5392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.162322][ T5392] CPU: 1 PID: 5392 Comm: syz.1.26 Not tainted syzkaller #0 [ 73.163373][ T5392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.164966][ T5392] Call trace: [ 73.165540][ T5392] dump_backtrace+0x0/0x458 [ 73.166290][ T5392] show_stack+0x2c/0x3c [ 73.166911][ T5392] __dump_stack+0x30/0x40 [ 73.167563][ T5392] dump_stack_lvl+0xf4/0x15c [ 73.168323][ T5392] dump_stack+0x1c/0x5c [ 73.169026][ T5392] sysfs_create_dir_ns+0x244/0x264 [ 73.169848][ T5392] kobject_add_internal+0x5ac/0xc3c [ 73.170638][ T5392] kobject_init_and_add+0x124/0x190 [ 73.171498][ T5392] gfs2_sys_fs_add+0x200/0x41c [ 73.172200][ T5392] gfs2_fill_super+0xddc/0x1a18 [ 73.173077][ T5392] get_tree_bdev+0x358/0x544 [ 73.173780][ T5392] gfs2_get_tree+0x54/0x1b4 [ 73.174559][ T5392] vfs_get_tree+0x90/0x274 [ 73.175293][ T5392] do_new_mount+0x228/0x810 [ 73.175962][ T5392] path_mount+0x5bc/0x1008 [ 73.176626][ T5392] __arm64_sys_mount+0x514/0x5f0 [ 73.177418][ T5392] invoke_syscall+0x98/0x2b0 [ 73.178207][ T5392] el0_svc_common+0x138/0x258 [ 73.178986][ T5392] do_el0_svc+0x58/0x13c [ 73.179642][ T5392] el0_svc+0x78/0x1d0 [ 73.180242][ T5392] el0t_64_sync_handler+0xcc/0xe4 [ 73.181015][ T5392] el0t_64_sync+0x1a0/0x1a4 [ 73.225009][ T4899] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.226339][ T5392] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.228706][ T5392] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.267140][ T4902] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.275895][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.277354][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.281076][ T4890] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.286025][ T4902] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.321428][ T4890] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.326692][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.328816][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.330149][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.331621][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.333027][ T5209] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.334171][ T5209] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.336118][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.360437][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.362234][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.364868][ T5209] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.365997][ T5209] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.376279][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.378449][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.379960][ T5209] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.381046][ T5209] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.382367][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.383885][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.385326][ T5209] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.386368][ T5209] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.389053][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.399251][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.424247][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.426011][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.430444][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.432099][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.433885][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.435354][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.436949][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.442153][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.443811][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.445322][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.453921][ T4890] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.455387][ T4890] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.464678][ T4899] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.470377][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.471966][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.473614][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.475184][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.481233][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.484544][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.493020][ T5392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.494203][ T5392] CPU: 0 PID: 5392 Comm: syz.1.26 Not tainted syzkaller #0 [ 73.495217][ T5392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.496730][ T5392] Call trace: [ 73.497182][ T5392] dump_backtrace+0x0/0x458 [ 73.497942][ T5392] show_stack+0x2c/0x3c [ 73.498529][ T5392] __dump_stack+0x30/0x40 [ 73.499166][ T5392] dump_stack_lvl+0xf4/0x15c [ 73.499958][ T5392] dump_stack+0x1c/0x5c [ 73.500632][ T5392] sysfs_create_dir_ns+0x244/0x264 [ 73.501531][ T5392] kobject_add_internal+0x5ac/0xc3c [ 73.502454][ T5392] kobject_init_and_add+0x124/0x190 [ 73.503293][ T5392] gfs2_sys_fs_add+0x200/0x41c [ 73.504026][ T5392] gfs2_fill_super+0xddc/0x1a18 [ 73.504823][ T5392] get_tree_bdev+0x358/0x544 [ 73.505509][ T5392] gfs2_get_tree+0x54/0x1b4 [ 73.506227][ T5392] vfs_get_tree+0x90/0x274 [ 73.506943][ T5392] do_new_mount+0x228/0x810 [ 73.507665][ T5392] path_mount+0x5bc/0x1008 [ 73.508353][ T5392] __arm64_sys_mount+0x514/0x5f0 [ 73.509127][ T5392] invoke_syscall+0x98/0x2b0 [ 73.509873][ T5392] el0_svc_common+0x138/0x258 [ 73.510604][ T5392] do_el0_svc+0x58/0x13c [ 73.511251][ T5392] el0_svc+0x78/0x1d0 [ 73.511871][ T5392] el0t_64_sync_handler+0xcc/0xe4 [ 73.512628][ T5392] el0t_64_sync+0x1a0/0x1a4 [ 73.513772][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.515294][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.518470][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.519884][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.521485][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.522873][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.524250][ T5392] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.525360][ T4902] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.526223][ T5392] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.555386][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.556765][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.568934][ T4899] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.581848][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.583424][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.584823][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.586000][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.588800][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.617616][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.619364][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.620760][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.621891][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.623207][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.628292][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.634745][ T4899] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.646627][ T4899] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.660296][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.661848][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.663320][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.664818][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.666267][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.675011][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.676492][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.682312][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.684914][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.686735][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.724088][ T4902] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.725848][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.727152][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.763200][ T4899] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.766806][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.768485][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.773666][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.774872][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.786203][ T4890] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.791395][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.792907][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.810863][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.812441][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.814058][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.815373][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.826444][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.837713][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.844929][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.846396][ T5445] CPU: 0 PID: 5445 Comm: syz.1.27 Not tainted syzkaller #0 [ 73.847321][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.848680][ T5445] Call trace: [ 73.849120][ T5445] dump_backtrace+0x0/0x458 [ 73.849872][ T5445] show_stack+0x2c/0x3c [ 73.850633][ T5445] __dump_stack+0x30/0x40 [ 73.851315][ T5445] dump_stack_lvl+0xf4/0x15c [ 73.852043][ T5445] dump_stack+0x1c/0x5c [ 73.852717][ T5445] sysfs_create_dir_ns+0x244/0x264 [ 73.853517][ T5445] kobject_add_internal+0x5ac/0xc3c [ 73.854356][ T5445] kobject_init_and_add+0x124/0x190 [ 73.855133][ T5445] gfs2_sys_fs_add+0x200/0x41c [ 73.855933][ T5445] gfs2_fill_super+0xddc/0x1a18 [ 73.856754][ T5445] get_tree_bdev+0x358/0x544 [ 73.857610][ T5445] gfs2_get_tree+0x54/0x1b4 [ 73.858245][ T5445] vfs_get_tree+0x90/0x274 [ 73.858937][ T5445] do_new_mount+0x228/0x810 [ 73.859683][ T5445] path_mount+0x5bc/0x1008 [ 73.860421][ T5445] __arm64_sys_mount+0x514/0x5f0 [ 73.861305][ T5445] invoke_syscall+0x98/0x2b0 [ 73.862001][ T5445] el0_svc_common+0x138/0x258 [ 73.862703][ T5445] do_el0_svc+0x58/0x13c [ 73.863297][ T5445] el0_svc+0x78/0x1d0 [ 73.863905][ T5445] el0t_64_sync_handler+0xcc/0xe4 [ 73.864778][ T5445] el0t_64_sync+0x1a0/0x1a4 [ 73.869566][ T4899] device veth0_vlan entered promiscuous mode [ 73.871715][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.873193][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.874621][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.876017][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.878586][ T4890] device veth0_vlan entered promiscuous mode [ 73.880202][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.887686][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.899533][ T4899] device veth1_vlan entered promiscuous mode [ 73.906029][ T4890] device veth1_vlan entered promiscuous mode [ 73.926799][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.938542][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.940090][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.941565][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.947652][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.960334][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.975475][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.977099][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.987075][ T4899] device veth0_macvtap entered promiscuous mode [ 74.005300][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.006883][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.009237][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.016624][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.018175][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.020253][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.021601][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.024764][ T4890] device veth0_macvtap entered promiscuous mode [ 74.030370][ T4902] device veth0_vlan entered promiscuous mode [ 74.032409][ T4899] device veth1_macvtap entered promiscuous mode [ 74.054035][ T4890] device veth1_macvtap entered promiscuous mode [ 74.060947][ T4902] device veth1_vlan entered promiscuous mode [ 74.069358][ T4899] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.071092][ T4899] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.072664][ T4899] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.074228][ T4899] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.075926][ T4899] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.078261][ T4899] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.080613][ T4899] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.082108][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.083316][ T5445] CPU: 0 PID: 5445 Comm: syz.1.27 Not tainted syzkaller #0 [ 74.084361][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.085944][ T5445] Call trace: [ 74.086453][ T5445] dump_backtrace+0x0/0x458 [ 74.087154][ T5445] show_stack+0x2c/0x3c [ 74.088099][ T5445] __dump_stack+0x30/0x40 [ 74.088805][ T5445] dump_stack_lvl+0xf4/0x15c [ 74.089554][ T5445] dump_stack+0x1c/0x5c [ 74.090272][ T5445] sysfs_create_dir_ns+0x244/0x264 [ 74.091071][ T5445] kobject_add_internal+0x5ac/0xc3c [ 74.092007][ T5445] kobject_init_and_add+0x124/0x190 [ 74.092885][ T5445] gfs2_sys_fs_add+0x200/0x41c [ 74.093711][ T5445] gfs2_fill_super+0xddc/0x1a18 [ 74.094452][ T5445] get_tree_bdev+0x358/0x544 [ 74.095130][ T5445] gfs2_get_tree+0x54/0x1b4 [ 74.095882][ T5445] vfs_get_tree+0x90/0x274 [ 74.096574][ T5445] do_new_mount+0x228/0x810 [ 74.097307][ T5445] path_mount+0x5bc/0x1008 [ 74.098035][ T5445] __arm64_sys_mount+0x514/0x5f0 [ 74.098819][ T5445] invoke_syscall+0x98/0x2b0 [ 74.099572][ T5445] el0_svc_common+0x138/0x258 [ 74.100271][ T5445] do_el0_svc+0x58/0x13c [ 74.100291][ T4890] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.100958][ T5445] el0_svc+0x78/0x1d0 [ 74.102573][ T4890] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.103190][ T5445] el0t_64_sync_handler+0xcc/0xe4 [ 74.104669][ T4890] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.105409][ T5445] el0t_64_sync+0x1a0/0x1a4 [ 74.107895][ T4890] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.109719][ T4890] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.111683][ T4890] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.113344][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.115675][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.116909][ T4890] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.119458][ T4890] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.121703][ T4890] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.129923][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.131453][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.132860][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.134314][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.135749][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.137114][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.157818][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.159499][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.161111][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.171526][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.173187][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.188233][ T4899] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.189937][ T4899] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.191613][ T4899] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.193131][ T4899] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.194751][ T4899] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.199219][ T4899] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.201361][ T4899] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.202661][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.204470][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.218661][ T4902] device veth0_macvtap entered promiscuous mode [ 74.220727][ T4890] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.222208][ T4890] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.223612][ T4890] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.225073][ T4890] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.226458][ T4890] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.237936][ T4890] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.239629][ T4890] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.250616][ T4890] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.252809][ T4890] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.255508][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.257003][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.259392][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.262876][ T4899] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.264201][ T4899] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.265440][ T4899] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.266845][ T4899] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.274798][ T4902] device veth1_macvtap entered promiscuous mode [ 74.277530][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.283579][ T4902] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.285327][ T4902] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.286923][ T4902] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.297813][ T4902] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.299406][ T4902] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.301118][ T4902] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.302602][ T4902] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.304229][ T4902] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.305681][ T4902] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.312273][ T4902] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.312530][ T5500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.314951][ T5500] CPU: 0 PID: 5500 Comm: syz.1.28 Not tainted syzkaller #0 [ 74.316029][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.316754][ T4902] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.317603][ T5500] Call trace: [ 74.317609][ T5500] dump_backtrace+0x0/0x458 [ 74.317628][ T5500] show_stack+0x2c/0x3c [ 74.317635][ T5500] __dump_stack+0x30/0x40 [ 74.317645][ T5500] dump_stack_lvl+0xf4/0x15c [ 74.317651][ T5500] dump_stack+0x1c/0x5c [ 74.317655][ T5500] sysfs_create_dir_ns+0x244/0x264 [ 74.317661][ T5500] kobject_add_internal+0x5ac/0xc3c [ 74.317667][ T5500] kobject_init_and_add+0x124/0x190 [ 74.317671][ T5500] gfs2_sys_fs_add+0x200/0x41c [ 74.317676][ T5500] gfs2_fill_super+0xddc/0x1a18 [ 74.317680][ T5500] get_tree_bdev+0x358/0x544 [ 74.317685][ T5500] gfs2_get_tree+0x54/0x1b4 [ 74.317689][ T5500] vfs_get_tree+0x90/0x274 [ 74.317693][ T5500] do_new_mount+0x228/0x810 [ 74.317698][ T5500] path_mount+0x5bc/0x1008 [ 74.317702][ T5500] __arm64_sys_mount+0x514/0x5f0 [ 74.317706][ T5500] invoke_syscall+0x98/0x2b0 [ 74.317711][ T5500] el0_svc_common+0x138/0x258 [ 74.317716][ T5500] do_el0_svc+0x58/0x13c [ 74.317720][ T5500] el0_svc+0x78/0x1d0 [ 74.317725][ T5500] el0t_64_sync_handler+0xcc/0xe4 [ 74.317730][ T5500] el0t_64_sync+0x1a0/0x1a4 [ 74.334496][ T5500] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.336487][ T5500] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.346427][ T4890] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.348996][ T4890] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.350273][ T4890] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.351543][ T4890] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.353710][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.355277][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.359472][ T4902] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.361365][ T4902] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.362864][ T4902] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.364357][ T4902] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.365825][ T4902] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.368100][ T4902] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.369589][ T4902] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.371093][ T4902] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.372514][ T4902] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.373990][ T4902] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.376231][ T4902] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.386941][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.388726][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.411645][ T4902] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.413176][ T4902] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.414594][ T4902] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.415925][ T4902] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.418614][ T4890] ieee80211 phy13: Selected rate control algorithm 'minstrel_ht' [ 74.451408][ T4890] ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' [ 74.455056][ T5209] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.456438][ T5209] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.458640][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.492479][ T4899] ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' [ 74.506251][ T5209] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.507904][ T5209] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.509245][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.520325][ T4902] ieee80211 phy16: Selected rate control algorithm 'minstrel_ht' [ 74.521966][ T5209] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.523206][ T5209] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.524562][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.549100][ T612] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.550521][ T612] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.551823][ T5209] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.556325][ T4899] ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' [ 74.584342][ T4902] ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' [ 74.598347][ T5209] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.599613][ T5209] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.617677][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.619543][ T5209] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.620846][ T5209] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.622074][ T612] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.653051][ T1969] Bluetooth: hci1: command 0x0419 tx timeout [ 74.671304][ T1686] device hsr_slave_0 left promiscuous mode [ 74.698454][ T1686] device hsr_slave_1 left promiscuous mode [ 74.712017][ T5500] set_capacity_and_notify: 9 callbacks suppressed [ 74.712024][ T5500] loop1: detected capacity change from 0 to 32768 [ 74.727831][ T4838] Bluetooth: hci2: command 0x0419 tx timeout [ 74.764688][ T5500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.765860][ T5500] CPU: 1 PID: 5500 Comm: syz.1.28 Not tainted syzkaller #0 [ 74.766898][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.768472][ T5500] Call trace: [ 74.769082][ T5500] dump_backtrace+0x0/0x458 [ 74.769805][ T5500] show_stack+0x2c/0x3c [ 74.770458][ T5500] __dump_stack+0x30/0x40 [ 74.771247][ T5500] dump_stack_lvl+0xf4/0x15c [ 74.771947][ T5500] dump_stack+0x1c/0x5c [ 74.772676][ T5500] sysfs_create_dir_ns+0x244/0x264 [ 74.773602][ T5500] kobject_add_internal+0x5ac/0xc3c [ 74.774457][ T5500] kobject_init_and_add+0x124/0x190 [ 74.775248][ T5500] gfs2_sys_fs_add+0x200/0x41c [ 74.776058][ T5500] gfs2_fill_super+0xddc/0x1a18 [ 74.776861][ T5500] get_tree_bdev+0x358/0x544 [ 74.777534][ T5500] gfs2_get_tree+0x54/0x1b4 [ 74.778321][ T5500] vfs_get_tree+0x90/0x274 [ 74.779012][ T5500] do_new_mount+0x228/0x810 [ 74.779752][ T5500] path_mount+0x5bc/0x1008 [ 74.780462][ T5500] __arm64_sys_mount+0x514/0x5f0 [ 74.781360][ T5500] invoke_syscall+0x98/0x2b0 [ 74.782175][ T5500] el0_svc_common+0x138/0x258 [ 74.782989][ T5500] do_el0_svc+0x58/0x13c [ 74.783650][ T5500] el0_svc+0x78/0x1d0 [ 74.784272][ T5500] el0t_64_sync_handler+0xcc/0xe4 [ 74.785008][ T5500] el0t_64_sync+0x1a0/0x1a4 [ 74.798204][ T5500] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.800467][ T5500] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.807799][ T1969] Bluetooth: hci4: command 0x0419 tx timeout [ 74.808919][ T1686] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 74.810113][ T1686] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 74.811736][ T1969] Bluetooth: hci0: command 0x0419 tx timeout [ 74.812680][ T1969] Bluetooth: hci3: command 0x0419 tx timeout [ 74.814128][ T1686] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 74.815250][ T1686] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 74.816624][ T1686] device bridge_slave_1 left promiscuous mode [ 74.817795][ T1686] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.841347][ T5526] loop2: detected capacity change from 0 to 32768 [ 74.868171][ T1686] device bridge_slave_0 left promiscuous mode [ 74.869303][ T1686] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.881650][ T5526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.882853][ T5526] CPU: 0 PID: 5526 Comm: syz.2.17 Not tainted syzkaller #0 [ 74.884012][ T5526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.885569][ T5526] Call trace: [ 74.886070][ T5526] dump_backtrace+0x0/0x458 [ 74.886830][ T5526] show_stack+0x2c/0x3c [ 74.887463][ T5526] __dump_stack+0x30/0x40 [ 74.888251][ T5526] dump_stack_lvl+0xf4/0x15c [ 74.888949][ T5526] dump_stack+0x1c/0x5c [ 74.889565][ T5526] sysfs_create_dir_ns+0x244/0x264 [ 74.890388][ T5526] kobject_add_internal+0x5ac/0xc3c [ 74.891312][ T5526] kobject_init_and_add+0x124/0x190 [ 74.892180][ T5526] gfs2_sys_fs_add+0x200/0x41c [ 74.892975][ T5526] gfs2_fill_super+0xddc/0x1a18 [ 74.893782][ T5526] get_tree_bdev+0x358/0x544 [ 74.894501][ T5526] gfs2_get_tree+0x54/0x1b4 [ 74.895147][ T5526] vfs_get_tree+0x90/0x274 [ 74.895895][ T5526] do_new_mount+0x228/0x810 [ 74.896629][ T5526] path_mount+0x5bc/0x1008 [ 74.897489][ T5526] __arm64_sys_mount+0x514/0x5f0 [ 74.898269][ T5526] invoke_syscall+0x98/0x2b0 [ 74.898954][ T5526] el0_svc_common+0x138/0x258 [ 74.899696][ T5526] do_el0_svc+0x58/0x13c [ 74.900417][ T5526] el0_svc+0x78/0x1d0 [ 74.901132][ T5526] el0t_64_sync_handler+0xcc/0xe4 [ 74.901933][ T5526] el0t_64_sync+0x1a0/0x1a4 [ 74.925439][ T5536] loop3: detected capacity change from 0 to 32768 [ 74.928341][ T5526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.930375][ T5526] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.959729][ T5536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.961046][ T5536] CPU: 0 PID: 5536 Comm: syz.3.18 Not tainted syzkaller #0 [ 74.962209][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.963596][ T5536] Call trace: [ 74.964127][ T5536] dump_backtrace+0x0/0x458 [ 74.964895][ T5536] show_stack+0x2c/0x3c [ 74.965652][ T5536] __dump_stack+0x30/0x40 [ 74.966384][ T5536] dump_stack_lvl+0xf4/0x15c [ 74.967181][ T5536] dump_stack+0x1c/0x5c [ 74.967873][ T5536] sysfs_create_dir_ns+0x244/0x264 [ 74.968741][ T5536] kobject_add_internal+0x5ac/0xc3c [ 74.969545][ T5536] kobject_init_and_add+0x124/0x190 [ 74.970343][ T5536] gfs2_sys_fs_add+0x200/0x41c [ 74.971078][ T5536] gfs2_fill_super+0xddc/0x1a18 [ 74.971806][ T5536] get_tree_bdev+0x358/0x544 [ 74.972468][ T5536] gfs2_get_tree+0x54/0x1b4 [ 74.973186][ T5536] vfs_get_tree+0x90/0x274 [ 74.973816][ T5536] do_new_mount+0x228/0x810 [ 74.974517][ T5536] path_mount+0x5bc/0x1008 [ 74.975253][ T5536] __arm64_sys_mount+0x514/0x5f0 [ 74.976000][ T5536] invoke_syscall+0x98/0x2b0 [ 74.976693][ T5536] el0_svc_common+0x138/0x258 [ 74.977381][ T5536] do_el0_svc+0x58/0x13c [ 74.978085][ T5536] el0_svc+0x78/0x1d0 [ 74.978666][ T5536] el0t_64_sync_handler+0xcc/0xe4 [ 74.979329][ T5536] el0t_64_sync+0x1a0/0x1a4 [ 74.987408][ T1686] device veth1_macvtap left promiscuous mode [ 74.988445][ T1686] device veth0_macvtap left promiscuous mode [ 74.989567][ T1686] device veth1_vlan left promiscuous mode [ 74.990566][ T1686] device veth0_vlan left promiscuous mode [ 75.007104][ T5539] loop4: detected capacity change from 0 to 32768 [ 75.020776][ T5536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.022844][ T5536] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.061045][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.062214][ T5539] CPU: 1 PID: 5539 Comm: syz.4.19 Not tainted syzkaller #0 [ 75.063263][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.064747][ T5539] Call trace: [ 75.065161][ T5539] dump_backtrace+0x0/0x458 [ 75.066077][ T5539] show_stack+0x2c/0x3c [ 75.066756][ T5539] __dump_stack+0x30/0x40 [ 75.067458][ T5539] dump_stack_lvl+0xf4/0x15c [ 75.068204][ T5539] dump_stack+0x1c/0x5c [ 75.068892][ T5539] sysfs_create_dir_ns+0x244/0x264 [ 75.069717][ T5539] kobject_add_internal+0x5ac/0xc3c [ 75.070601][ T5539] kobject_init_and_add+0x124/0x190 [ 75.071553][ T5539] gfs2_sys_fs_add+0x200/0x41c [ 75.072272][ T5539] gfs2_fill_super+0xddc/0x1a18 [ 75.073060][ T5539] get_tree_bdev+0x358/0x544 [ 75.073809][ T5539] gfs2_get_tree+0x54/0x1b4 [ 75.074538][ T5539] vfs_get_tree+0x90/0x274 [ 75.075320][ T5539] do_new_mount+0x228/0x810 [ 75.076065][ T5539] path_mount+0x5bc/0x1008 [ 75.076757][ T5539] __arm64_sys_mount+0x514/0x5f0 [ 75.077642][ T5539] invoke_syscall+0x98/0x2b0 [ 75.078408][ T5539] el0_svc_common+0x138/0x258 [ 75.079195][ T5539] do_el0_svc+0x58/0x13c [ 75.079901][ T5539] el0_svc+0x78/0x1d0 [ 75.080597][ T5539] el0t_64_sync_handler+0xcc/0xe4 [ 75.081397][ T5539] el0t_64_sync+0x1a0/0x1a4 [ 75.113063][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.115142][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.174716][ T5526] loop2: detected capacity change from 0 to 32768 [ 75.208361][ T5526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.209770][ T5526] CPU: 0 PID: 5526 Comm: syz.2.17 Not tainted syzkaller #0 [ 75.210914][ T5526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.212702][ T5526] Call trace: [ 75.213300][ T5526] dump_backtrace+0x0/0x458 [ 75.214046][ T5526] show_stack+0x2c/0x3c [ 75.214630][ T5526] __dump_stack+0x30/0x40 [ 75.215317][ T5526] dump_stack_lvl+0xf4/0x15c [ 75.215988][ T5526] dump_stack+0x1c/0x5c [ 75.216571][ T5526] sysfs_create_dir_ns+0x244/0x264 [ 75.217352][ T5526] kobject_add_internal+0x5ac/0xc3c [ 75.218175][ T5526] kobject_init_and_add+0x124/0x190 [ 75.219118][ T5526] gfs2_sys_fs_add+0x200/0x41c [ 75.219888][ T5526] gfs2_fill_super+0xddc/0x1a18 [ 75.220704][ T5526] get_tree_bdev+0x358/0x544 [ 75.221405][ T5526] gfs2_get_tree+0x54/0x1b4 [ 75.222139][ T5526] vfs_get_tree+0x90/0x274 [ 75.222786][ T5526] do_new_mount+0x228/0x810 [ 75.223454][ T5526] path_mount+0x5bc/0x1008 [ 75.224068][ T5526] __arm64_sys_mount+0x514/0x5f0 [ 75.224858][ T5526] invoke_syscall+0x98/0x2b0 [ 75.225570][ T5526] el0_svc_common+0x138/0x258 [ 75.225839][ T5547] loop1: detected capacity change from 0 to 32768 [ 75.226264][ T5526] do_el0_svc+0x58/0x13c [ 75.228011][ T5526] el0_svc+0x78/0x1d0 [ 75.228674][ T5526] el0t_64_sync_handler+0xcc/0xe4 [ 75.229481][ T5526] el0t_64_sync+0x1a0/0x1a4 [ 75.271123][ T5526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.274498][ T5547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.275757][ T5547] CPU: 1 PID: 5547 Comm: syz.1.29 Not tainted syzkaller #0 [ 75.276912][ T5547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.277375][ T5526] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.278584][ T5547] Call trace: [ 75.280053][ T5547] dump_backtrace+0x0/0x458 [ 75.280728][ T5547] show_stack+0x2c/0x3c [ 75.281444][ T5547] __dump_stack+0x30/0x40 [ 75.282168][ T5547] dump_stack_lvl+0xf4/0x15c [ 75.282887][ T5547] dump_stack+0x1c/0x5c [ 75.283593][ T5547] sysfs_create_dir_ns+0x244/0x264 [ 75.284399][ T5547] kobject_add_internal+0x5ac/0xc3c [ 75.285264][ T5547] kobject_init_and_add+0x124/0x190 [ 75.286133][ T5547] gfs2_sys_fs_add+0x200/0x41c [ 75.286895][ T5547] gfs2_fill_super+0xddc/0x1a18 [ 75.287586][ T5547] get_tree_bdev+0x358/0x544 [ 75.288225][ T5547] gfs2_get_tree+0x54/0x1b4 [ 75.288846][ T5547] vfs_get_tree+0x90/0x274 [ 75.289440][ T5547] do_new_mount+0x228/0x810 [ 75.290100][ T5547] path_mount+0x5bc/0x1008 [ 75.290752][ T5547] __arm64_sys_mount+0x514/0x5f0 [ 75.291596][ T5547] invoke_syscall+0x98/0x2b0 [ 75.292247][ T5547] el0_svc_common+0x138/0x258 [ 75.292969][ T5547] do_el0_svc+0x58/0x13c [ 75.293777][ T5547] el0_svc+0x78/0x1d0 [ 75.294432][ T5547] el0t_64_sync_handler+0xcc/0xe4 [ 75.295238][ T5536] loop3: detected capacity change from 0 to 32768 [ 75.295319][ T5547] el0t_64_sync+0x1a0/0x1a4 [ 75.335678][ T1686] team0 (unregistering): Port device team_slave_1 removed [ 75.340992][ T5536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.342194][ T5536] CPU: 0 PID: 5536 Comm: syz.3.18 Not tainted syzkaller #0 [ 75.343401][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.344931][ T5547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.344978][ T5536] Call trace: [ 75.347068][ T5547] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.347543][ T5536] dump_backtrace+0x0/0x458 [ 75.347562][ T5536] show_stack+0x2c/0x3c [ 75.347568][ T5536] __dump_stack+0x30/0x40 [ 75.347575][ T5536] dump_stack_lvl+0xf4/0x15c [ 75.347580][ T5536] dump_stack+0x1c/0x5c [ 75.347584][ T5536] sysfs_create_dir_ns+0x244/0x264 [ 75.347591][ T5536] kobject_add_internal+0x5ac/0xc3c [ 75.353674][ T5536] kobject_init_and_add+0x124/0x190 [ 75.354478][ T5536] gfs2_sys_fs_add+0x200/0x41c [ 75.355268][ T5536] gfs2_fill_super+0xddc/0x1a18 [ 75.356036][ T5536] get_tree_bdev+0x358/0x544 [ 75.356804][ T5536] gfs2_get_tree+0x54/0x1b4 [ 75.357521][ T5536] vfs_get_tree+0x90/0x274 [ 75.358318][ T5536] do_new_mount+0x228/0x810 [ 75.359055][ T5536] path_mount+0x5bc/0x1008 [ 75.359752][ T5536] __arm64_sys_mount+0x514/0x5f0 [ 75.360464][ T5536] invoke_syscall+0x98/0x2b0 [ 75.361211][ T5536] el0_svc_common+0x138/0x258 [ 75.361907][ T5536] do_el0_svc+0x58/0x13c [ 75.362595][ T5536] el0_svc+0x78/0x1d0 [ 75.363173][ T5536] el0t_64_sync_handler+0xcc/0xe4 [ 75.363947][ T5536] el0t_64_sync+0x1a0/0x1a4 [ 75.382386][ T5539] loop4: detected capacity change from 0 to 32768 [ 75.384232][ T1686] team0 (unregistering): Port device team_slave_0 removed [ 75.392785][ T1686] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 75.425002][ T5536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.430285][ T5536] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.435435][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.436672][ T5539] CPU: 1 PID: 5539 Comm: syz.4.19 Not tainted syzkaller #0 [ 75.437767][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.439334][ T5539] Call trace: [ 75.439833][ T5539] dump_backtrace+0x0/0x458 [ 75.440502][ T5539] show_stack+0x2c/0x3c [ 75.441149][ T5539] __dump_stack+0x30/0x40 [ 75.441847][ T5539] dump_stack_lvl+0xf4/0x15c [ 75.442583][ T5539] dump_stack+0x1c/0x5c [ 75.443197][ T5539] sysfs_create_dir_ns+0x244/0x264 [ 75.444050][ T5539] kobject_add_internal+0x5ac/0xc3c [ 75.444830][ T5539] kobject_init_and_add+0x124/0x190 [ 75.445705][ T5539] gfs2_sys_fs_add+0x200/0x41c [ 75.446558][ T5539] gfs2_fill_super+0xddc/0x1a18 [ 75.447375][ T5539] get_tree_bdev+0x358/0x544 [ 75.448115][ T5539] gfs2_get_tree+0x54/0x1b4 [ 75.448858][ T5539] vfs_get_tree+0x90/0x274 [ 75.449642][ T5539] do_new_mount+0x228/0x810 [ 75.450402][ T5539] path_mount+0x5bc/0x1008 [ 75.451141][ T5539] __arm64_sys_mount+0x514/0x5f0 [ 75.451964][ T5539] invoke_syscall+0x98/0x2b0 [ 75.452747][ T5539] el0_svc_common+0x138/0x258 [ 75.453660][ T5539] do_el0_svc+0x58/0x13c [ 75.454360][ T5539] el0_svc+0x78/0x1d0 [ 75.455040][ T5539] el0t_64_sync_handler+0xcc/0xe4 [ 75.455919][ T5539] el0t_64_sync+0x1a0/0x1a4 [ 75.457910][ T1686] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 75.482242][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.484257][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.597419][ T5549] loop2: detected capacity change from 0 to 32768 [ 75.606090][ T5547] loop1: detected capacity change from 0 to 32768 [ 75.625504][ T1686] bond0 (unregistering): Released all slaves [ 75.628512][ T5549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.629761][ T5549] CPU: 0 PID: 5549 Comm: syz.2.30 Not tainted syzkaller #0 [ 75.630997][ T5549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.632600][ T5549] Call trace: [ 75.633096][ T5549] dump_backtrace+0x0/0x458 [ 75.633868][ T5549] show_stack+0x2c/0x3c [ 75.634529][ T5549] __dump_stack+0x30/0x40 [ 75.635177][ T5549] dump_stack_lvl+0xf4/0x15c [ 75.635898][ T5549] dump_stack+0x1c/0x5c [ 75.636617][ T5549] sysfs_create_dir_ns+0x244/0x264 [ 75.637464][ T5549] kobject_add_internal+0x5ac/0xc3c [ 75.637805][ T5547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.638276][ T5549] kobject_init_and_add+0x124/0x190 [ 75.640212][ T5549] gfs2_sys_fs_add+0x200/0x41c [ 75.640996][ T5549] gfs2_fill_super+0xddc/0x1a18 [ 75.641748][ T5549] get_tree_bdev+0x358/0x544 [ 75.642446][ T5549] gfs2_get_tree+0x54/0x1b4 [ 75.643164][ T5549] vfs_get_tree+0x90/0x274 [ 75.643798][ T5549] do_new_mount+0x228/0x810 [ 75.644479][ T5549] path_mount+0x5bc/0x1008 [ 75.645198][ T5549] __arm64_sys_mount+0x514/0x5f0 [ 75.645910][ T5549] invoke_syscall+0x98/0x2b0 [ 75.646562][ T5549] el0_svc_common+0x138/0x258 [ 75.647226][ T5549] do_el0_svc+0x58/0x13c [ 75.647835][ T5549] el0_svc+0x78/0x1d0 [ 75.648414][ T5549] el0t_64_sync_handler+0xcc/0xe4 [ 75.649269][ T5549] el0t_64_sync+0x1a0/0x1a4 [ 75.650656][ T5547] CPU: 1 PID: 5547 Comm: syz.1.29 Not tainted syzkaller #0 [ 75.651785][ T5547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.653260][ T5547] Call trace: [ 75.653776][ T5547] dump_backtrace+0x0/0x458 [ 75.654513][ T5547] show_stack+0x2c/0x3c [ 75.655232][ T5547] __dump_stack+0x30/0x40 [ 75.655972][ T5547] dump_stack_lvl+0xf4/0x15c [ 75.656698][ T5547] dump_stack+0x1c/0x5c [ 75.657368][ T5547] sysfs_create_dir_ns+0x244/0x264 [ 75.658163][ T5547] kobject_add_internal+0x5ac/0xc3c [ 75.659059][ T5547] kobject_init_and_add+0x124/0x190 [ 75.659900][ T5547] gfs2_sys_fs_add+0x200/0x41c [ 75.660638][ T5547] gfs2_fill_super+0xddc/0x1a18 [ 75.661453][ T5547] get_tree_bdev+0x358/0x544 [ 75.662215][ T5547] gfs2_get_tree+0x54/0x1b4 [ 75.662962][ T5547] vfs_get_tree+0x90/0x274 [ 75.663720][ T5547] do_new_mount+0x228/0x810 [ 75.664482][ T5547] path_mount+0x5bc/0x1008 [ 75.665226][ T5547] __arm64_sys_mount+0x514/0x5f0 [ 75.665990][ T5547] invoke_syscall+0x98/0x2b0 [ 75.666800][ T5547] el0_svc_common+0x138/0x258 [ 75.667570][ T5547] do_el0_svc+0x58/0x13c [ 75.668227][ T5547] el0_svc+0x78/0x1d0 [ 75.668828][ T5547] el0t_64_sync_handler+0xcc/0xe4 [ 75.669618][ T5547] el0t_64_sync+0x1a0/0x1a4 [ 75.687376][ T5549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.689382][ T5549] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.709793][ T5547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.711897][ T5547] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.745936][ T5551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.748311][ T5551] CPU: 0 PID: 5551 Comm: syz.3.31 Not tainted syzkaller #0 [ 75.749422][ T5551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.750900][ T5551] Call trace: [ 75.751429][ T5551] dump_backtrace+0x0/0x458 [ 75.752198][ T5551] show_stack+0x2c/0x3c [ 75.752927][ T5551] __dump_stack+0x30/0x40 [ 75.753671][ T5551] dump_stack_lvl+0xf4/0x15c [ 75.754396][ T5551] dump_stack+0x1c/0x5c [ 75.755100][ T5551] sysfs_create_dir_ns+0x244/0x264 [ 75.756031][ T5551] kobject_add_internal+0x5ac/0xc3c [ 75.756883][ T5551] kobject_init_and_add+0x124/0x190 [ 75.757723][ T5551] gfs2_sys_fs_add+0x200/0x41c [ 75.758510][ T5551] gfs2_fill_super+0xddc/0x1a18 [ 75.759360][ T5551] get_tree_bdev+0x358/0x544 [ 75.760128][ T5551] gfs2_get_tree+0x54/0x1b4 [ 75.760854][ T5551] vfs_get_tree+0x90/0x274 [ 75.761591][ T5551] do_new_mount+0x228/0x810 [ 75.762328][ T5551] path_mount+0x5bc/0x1008 [ 75.763059][ T5551] __arm64_sys_mount+0x514/0x5f0 [ 75.763779][ T5551] invoke_syscall+0x98/0x2b0 [ 75.764497][ T5551] el0_svc_common+0x138/0x258 [ 75.765172][ T5551] do_el0_svc+0x58/0x13c [ 75.765883][ T5551] el0_svc+0x78/0x1d0 [ 75.766503][ T5551] el0t_64_sync_handler+0xcc/0xe4 [ 75.767332][ T5551] el0t_64_sync+0x1a0/0x1a4 [ 75.807376][ T5551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.809687][ T5551] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.899348][ T5553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.900585][ T5553] CPU: 1 PID: 5553 Comm: syz.4.32 Not tainted syzkaller #0 [ 75.901773][ T5553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.903335][ T5553] Call trace: [ 75.903866][ T5553] dump_backtrace+0x0/0x458 [ 75.904550][ T5553] show_stack+0x2c/0x3c [ 75.905153][ T5553] __dump_stack+0x30/0x40 [ 75.905912][ T5553] dump_stack_lvl+0xf4/0x15c [ 75.906639][ T5553] dump_stack+0x1c/0x5c [ 75.907341][ T5553] sysfs_create_dir_ns+0x244/0x264 [ 75.908185][ T5553] kobject_add_internal+0x5ac/0xc3c [ 75.908987][ T5553] kobject_init_and_add+0x124/0x190 [ 75.909882][ T5553] gfs2_sys_fs_add+0x200/0x41c [ 75.910698][ T5553] gfs2_fill_super+0xddc/0x1a18 [ 75.911480][ T5553] get_tree_bdev+0x358/0x544 [ 75.912195][ T5553] gfs2_get_tree+0x54/0x1b4 [ 75.912877][ T5553] vfs_get_tree+0x90/0x274 [ 75.913648][ T5553] do_new_mount+0x228/0x810 [ 75.914428][ T5553] path_mount+0x5bc/0x1008 [ 75.915073][ T5553] __arm64_sys_mount+0x514/0x5f0 [ 75.915945][ T5553] invoke_syscall+0x98/0x2b0 [ 75.916698][ T5553] el0_svc_common+0x138/0x258 [ 75.917549][ T5553] do_el0_svc+0x58/0x13c [ 75.918176][ T5553] el0_svc+0x78/0x1d0 [ 75.918843][ T5553] el0t_64_sync_handler+0xcc/0xe4 [ 75.919696][ T5553] el0t_64_sync+0x1a0/0x1a4 [ 75.960116][ T5553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.962315][ T5553] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.030568][ T5549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.031797][ T5549] CPU: 0 PID: 5549 Comm: syz.2.30 Not tainted syzkaller #0 [ 76.033053][ T5549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.034673][ T5549] Call trace: [ 76.035215][ T5549] dump_backtrace+0x0/0x458 [ 76.035880][ T5549] show_stack+0x2c/0x3c [ 76.036507][ T5549] __dump_stack+0x30/0x40 [ 76.037131][ T5549] dump_stack_lvl+0xf4/0x15c [ 76.037849][ T5549] dump_stack+0x1c/0x5c [ 76.038465][ T5549] sysfs_create_dir_ns+0x244/0x264 [ 76.039330][ T5549] kobject_add_internal+0x5ac/0xc3c [ 76.040110][ T5549] kobject_init_and_add+0x124/0x190 [ 76.040913][ T5549] gfs2_sys_fs_add+0x200/0x41c [ 76.041630][ T5549] gfs2_fill_super+0xddc/0x1a18 [ 76.042382][ T5549] get_tree_bdev+0x358/0x544 [ 76.043021][ T5549] gfs2_get_tree+0x54/0x1b4 [ 76.043866][ T5549] vfs_get_tree+0x90/0x274 [ 76.044466][ T5549] do_new_mount+0x228/0x810 [ 76.045143][ T5549] path_mount+0x5bc/0x1008 [ 76.045835][ T5549] __arm64_sys_mount+0x514/0x5f0 [ 76.046571][ T5549] invoke_syscall+0x98/0x2b0 [ 76.047231][ T5549] el0_svc_common+0x138/0x258 [ 76.047894][ T5549] do_el0_svc+0x58/0x13c [ 76.048480][ T5549] el0_svc+0x78/0x1d0 [ 76.049084][ T5549] el0t_64_sync_handler+0xcc/0xe4 [ 76.049933][ T5549] el0t_64_sync+0x1a0/0x1a4 [ 76.057351][ T5549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.057824][ T5551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.059258][ T5549] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.060469][ T5551] CPU: 0 PID: 5551 Comm: syz.3.31 Not tainted syzkaller #0 [ 76.062578][ T5551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.064029][ T5551] Call trace: [ 76.064604][ T5551] dump_backtrace+0x0/0x458 [ 76.065392][ T5551] show_stack+0x2c/0x3c [ 76.066116][ T5551] __dump_stack+0x30/0x40 [ 76.066821][ T5551] dump_stack_lvl+0xf4/0x15c [ 76.067619][ T5551] dump_stack+0x1c/0x5c [ 76.068294][ T5551] sysfs_create_dir_ns+0x244/0x264 [ 76.069182][ T5551] kobject_add_internal+0x5ac/0xc3c [ 76.069970][ T5551] kobject_init_and_add+0x124/0x190 [ 76.070814][ T5551] gfs2_sys_fs_add+0x200/0x41c [ 76.071524][ T5551] gfs2_fill_super+0xddc/0x1a18 [ 76.072296][ T5551] get_tree_bdev+0x358/0x544 [ 76.072999][ T5551] gfs2_get_tree+0x54/0x1b4 [ 76.073813][ T5551] vfs_get_tree+0x90/0x274 [ 76.074596][ T5551] do_new_mount+0x228/0x810 [ 76.075394][ T5551] path_mount+0x5bc/0x1008 [ 76.076162][ T5551] __arm64_sys_mount+0x514/0x5f0 [ 76.076957][ T5551] invoke_syscall+0x98/0x2b0 [ 76.077759][ T5551] el0_svc_common+0x138/0x258 [ 76.078465][ T5551] do_el0_svc+0x58/0x13c [ 76.079156][ T5551] el0_svc+0x78/0x1d0 [ 76.079837][ T5551] el0t_64_sync_handler+0xcc/0xe4 [ 76.080651][ T5551] el0t_64_sync+0x1a0/0x1a4 [ 76.088286][ T5551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.090262][ T5551] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.114604][ T5555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.115791][ T5555] CPU: 0 PID: 5555 Comm: syz.1.33 Not tainted syzkaller #0 [ 76.116961][ T5555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.118649][ T5555] Call trace: [ 76.119215][ T5555] dump_backtrace+0x0/0x458 [ 76.119957][ T5555] show_stack+0x2c/0x3c [ 76.120609][ T5555] __dump_stack+0x30/0x40 [ 76.121291][ T5555] dump_stack_lvl+0xf4/0x15c [ 76.122075][ T5555] dump_stack+0x1c/0x5c [ 76.122789][ T5555] sysfs_create_dir_ns+0x244/0x264 [ 76.123616][ T5555] kobject_add_internal+0x5ac/0xc3c [ 76.124404][ T5555] kobject_init_and_add+0x124/0x190 [ 76.125219][ T5555] gfs2_sys_fs_add+0x200/0x41c [ 76.126001][ T5555] gfs2_fill_super+0xddc/0x1a18 [ 76.126770][ T5555] get_tree_bdev+0x358/0x544 [ 76.127575][ T5555] gfs2_get_tree+0x54/0x1b4 [ 76.128380][ T5555] vfs_get_tree+0x90/0x274 [ 76.129074][ T5555] do_new_mount+0x228/0x810 [ 76.129769][ T5555] path_mount+0x5bc/0x1008 [ 76.130354][ T5555] __arm64_sys_mount+0x514/0x5f0 [ 76.131090][ T5555] invoke_syscall+0x98/0x2b0 [ 76.131769][ T5555] el0_svc_common+0x138/0x258 [ 76.132587][ T5555] do_el0_svc+0x58/0x13c [ 76.133289][ T5555] el0_svc+0x78/0x1d0 [ 76.133984][ T5555] el0t_64_sync_handler+0xcc/0xe4 [ 76.134737][ T5555] el0t_64_sync+0x1a0/0x1a4 [ 76.192680][ T5555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.194752][ T5555] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.250089][ T5553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.251430][ T5553] CPU: 1 PID: 5553 Comm: syz.4.32 Not tainted syzkaller #0 [ 76.252541][ T5553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.254102][ T5553] Call trace: [ 76.254648][ T5553] dump_backtrace+0x0/0x458 [ 76.255421][ T5553] show_stack+0x2c/0x3c [ 76.256098][ T5553] __dump_stack+0x30/0x40 [ 76.256780][ T5553] dump_stack_lvl+0xf4/0x15c [ 76.257485][ T5553] dump_stack+0x1c/0x5c [ 76.258181][ T5553] sysfs_create_dir_ns+0x244/0x264 [ 76.259106][ T5553] kobject_add_internal+0x5ac/0xc3c [ 76.260034][ T5553] kobject_init_and_add+0x124/0x190 [ 76.260938][ T5553] gfs2_sys_fs_add+0x200/0x41c [ 76.261694][ T5553] gfs2_fill_super+0xddc/0x1a18 [ 76.262436][ T5553] get_tree_bdev+0x358/0x544 [ 76.263162][ T5553] gfs2_get_tree+0x54/0x1b4 [ 76.263904][ T5553] vfs_get_tree+0x90/0x274 [ 76.264617][ T5553] do_new_mount+0x228/0x810 [ 76.265327][ T5553] path_mount+0x5bc/0x1008 [ 76.266057][ T5553] __arm64_sys_mount+0x514/0x5f0 [ 76.266819][ T5553] invoke_syscall+0x98/0x2b0 [ 76.267559][ T5553] el0_svc_common+0x138/0x258 [ 76.268238][ T5553] do_el0_svc+0x58/0x13c [ 76.268886][ T5553] el0_svc+0x78/0x1d0 [ 76.269547][ T5553] el0t_64_sync_handler+0xcc/0xe4 [ 76.270349][ T5553] el0t_64_sync+0x1a0/0x1a4 [ 76.301617][ T5553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.303764][ T5553] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.451818][ T5557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.451882][ T5559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.453050][ T5557] CPU: 1 PID: 5557 Comm: syz.3.34 Not tainted syzkaller #0 [ 76.455490][ T5557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.457154][ T5557] Call trace: [ 76.457701][ T5557] dump_backtrace+0x0/0x458 [ 76.458309][ T5555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.458472][ T5557] show_stack+0x2c/0x3c [ 76.460301][ T5557] __dump_stack+0x30/0x40 [ 76.460930][ T5557] dump_stack_lvl+0xf4/0x15c [ 76.461597][ T5557] dump_stack+0x1c/0x5c [ 76.462259][ T5557] sysfs_create_dir_ns+0x244/0x264 [ 76.463049][ T5557] kobject_add_internal+0x5ac/0xc3c [ 76.463861][ T5557] kobject_init_and_add+0x124/0x190 [ 76.464640][ T5557] gfs2_sys_fs_add+0x200/0x41c [ 76.465320][ T5557] gfs2_fill_super+0xddc/0x1a18 [ 76.466040][ T5557] get_tree_bdev+0x358/0x544 [ 76.466677][ T5557] gfs2_get_tree+0x54/0x1b4 [ 76.467446][ T5557] vfs_get_tree+0x90/0x274 [ 76.468154][ T5557] do_new_mount+0x228/0x810 [ 76.468796][ T5557] path_mount+0x5bc/0x1008 [ 76.469450][ T5557] __arm64_sys_mount+0x514/0x5f0 [ 76.470197][ T5557] invoke_syscall+0x98/0x2b0 [ 76.470926][ T5557] el0_svc_common+0x138/0x258 [ 76.471665][ T5557] do_el0_svc+0x58/0x13c [ 76.472328][ T5557] el0_svc+0x78/0x1d0 [ 76.472946][ T5557] el0t_64_sync_handler+0xcc/0xe4 [ 76.473746][ T5557] el0t_64_sync+0x1a0/0x1a4 [ 76.474470][ T5559] CPU: 0 PID: 5559 Comm: syz.2.35 Not tainted syzkaller #0 [ 76.475458][ T5559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.477051][ T5559] Call trace: [ 76.477552][ T5559] dump_backtrace+0x0/0x458 [ 76.478275][ T5559] show_stack+0x2c/0x3c [ 76.478984][ T5559] __dump_stack+0x30/0x40 [ 76.479751][ T5559] dump_stack_lvl+0xf4/0x15c [ 76.480503][ T5559] dump_stack+0x1c/0x5c [ 76.481198][ T5559] sysfs_create_dir_ns+0x244/0x264 [ 76.481957][ T5559] kobject_add_internal+0x5ac/0xc3c [ 76.482792][ T5559] kobject_init_and_add+0x124/0x190 [ 76.483668][ T5559] gfs2_sys_fs_add+0x200/0x41c [ 76.484439][ T5559] gfs2_fill_super+0xddc/0x1a18 [ 76.485223][ T5559] get_tree_bdev+0x358/0x544 [ 76.485906][ T5559] gfs2_get_tree+0x54/0x1b4 [ 76.486670][ T5559] vfs_get_tree+0x90/0x274 [ 76.487374][ T5559] do_new_mount+0x228/0x810 [ 76.488073][ T5559] path_mount+0x5bc/0x1008 [ 76.488775][ T5559] __arm64_sys_mount+0x514/0x5f0 [ 76.489521][ T5559] invoke_syscall+0x98/0x2b0 [ 76.490227][ T5559] el0_svc_common+0x138/0x258 [ 76.490939][ T5559] do_el0_svc+0x58/0x13c [ 76.491574][ T5559] el0_svc+0x78/0x1d0 [ 76.492134][ T5559] el0t_64_sync_handler+0xcc/0xe4 [ 76.492901][ T5559] el0t_64_sync+0x1a0/0x1a4 [ 76.499611][ T5555] CPU: 0 PID: 5555 Comm: syz.1.33 Not tainted syzkaller #0 [ 76.500697][ T5555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.502158][ T5555] Call trace: [ 76.502656][ T5555] dump_backtrace+0x0/0x458 [ 76.503325][ T5555] show_stack+0x2c/0x3c [ 76.504012][ T5555] __dump_stack+0x30/0x40 [ 76.504703][ T5555] dump_stack_lvl+0xf4/0x15c [ 76.505455][ T5555] dump_stack+0x1c/0x5c [ 76.506119][ T5555] sysfs_create_dir_ns+0x244/0x264 [ 76.507025][ T5555] kobject_add_internal+0x5ac/0xc3c [ 76.507878][ T5555] kobject_init_and_add+0x124/0x190 [ 76.508684][ T5555] gfs2_sys_fs_add+0x200/0x41c [ 76.509472][ T5555] gfs2_fill_super+0xddc/0x1a18 [ 76.510247][ T5555] get_tree_bdev+0x358/0x544 [ 76.510956][ T5557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.510994][ T5555] gfs2_get_tree+0x54/0x1b4 [ 76.513105][ T5557] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.513862][ T5555] vfs_get_tree+0x90/0x274 [ 76.515532][ T5555] do_new_mount+0x228/0x810 [ 76.516285][ T5555] path_mount+0x5bc/0x1008 [ 76.516996][ T5555] __arm64_sys_mount+0x514/0x5f0 [ 76.517783][ T5555] invoke_syscall+0x98/0x2b0 [ 76.518517][ T5555] el0_svc_common+0x138/0x258 [ 76.519270][ T5555] do_el0_svc+0x58/0x13c [ 76.519956][ T5555] el0_svc+0x78/0x1d0 [ 76.520570][ T5555] el0t_64_sync_handler+0xcc/0xe4 [ 76.521352][ T5555] el0t_64_sync+0x1a0/0x1a4 [ 76.524801][ T5559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.526891][ T5559] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.528243][ T5555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.530400][ T5555] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.668043][ T5561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.669354][ T5561] CPU: 1 PID: 5561 Comm: syz.4.36 Not tainted syzkaller #0 [ 76.670509][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.672187][ T5561] Call trace: [ 76.672667][ T5561] dump_backtrace+0x0/0x458 [ 76.673376][ T5561] show_stack+0x2c/0x3c [ 76.674017][ T5561] __dump_stack+0x30/0x40 [ 76.674733][ T5561] dump_stack_lvl+0xf4/0x15c [ 76.675501][ T5561] dump_stack+0x1c/0x5c [ 76.676182][ T5561] sysfs_create_dir_ns+0x244/0x264 [ 76.677050][ T5561] kobject_add_internal+0x5ac/0xc3c [ 76.677936][ T5561] kobject_init_and_add+0x124/0x190 [ 76.678792][ T5561] gfs2_sys_fs_add+0x200/0x41c [ 76.679494][ T5561] gfs2_fill_super+0xddc/0x1a18 [ 76.680360][ T5561] get_tree_bdev+0x358/0x544 [ 76.681164][ T5561] gfs2_get_tree+0x54/0x1b4 [ 76.681906][ T5561] vfs_get_tree+0x90/0x274 [ 76.682730][ T5561] do_new_mount+0x228/0x810 [ 76.683429][ T5561] path_mount+0x5bc/0x1008 [ 76.684225][ T5561] __arm64_sys_mount+0x514/0x5f0 [ 76.684980][ T5561] invoke_syscall+0x98/0x2b0 [ 76.685726][ T5561] el0_svc_common+0x138/0x258 [ 76.686506][ T5561] do_el0_svc+0x58/0x13c [ 76.687217][ T5561] el0_svc+0x78/0x1d0 [ 76.687892][ T5561] el0t_64_sync_handler+0xcc/0xe4 [ 76.688640][ T5561] el0t_64_sync+0x1a0/0x1a4 [ 76.717348][ T5561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.719287][ T5561] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.819111][ T5563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.819112][ T5557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.819127][ T5557] CPU: 1 PID: 5557 Comm: syz.3.34 Not tainted syzkaller #0 [ 76.822732][ T5557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.824522][ T5557] Call trace: [ 76.825049][ T5557] dump_backtrace+0x0/0x458 [ 76.825759][ T5557] show_stack+0x2c/0x3c [ 76.826394][ T5557] __dump_stack+0x30/0x40 [ 76.827044][ T5557] dump_stack_lvl+0xf4/0x15c [ 76.827724][ T5557] dump_stack+0x1c/0x5c [ 76.827731][ T5559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.828385][ T5557] sysfs_create_dir_ns+0x244/0x264 [ 76.828402][ T5557] kobject_add_internal+0x5ac/0xc3c [ 76.830954][ T5557] kobject_init_and_add+0x124/0x190 [ 76.831914][ T5557] gfs2_sys_fs_add+0x200/0x41c [ 76.832531][ T5557] gfs2_fill_super+0xddc/0x1a18 [ 76.833235][ T5557] get_tree_bdev+0x358/0x544 [ 76.833897][ T5557] gfs2_get_tree+0x54/0x1b4 [ 76.834517][ T5557] vfs_get_tree+0x90/0x274 [ 76.835211][ T5557] do_new_mount+0x228/0x810 [ 76.835920][ T5557] path_mount+0x5bc/0x1008 [ 76.836547][ T5557] __arm64_sys_mount+0x514/0x5f0 [ 76.837328][ T5557] invoke_syscall+0x98/0x2b0 [ 76.838111][ T5557] el0_svc_common+0x138/0x258 [ 76.838890][ T5557] do_el0_svc+0x58/0x13c [ 76.839582][ T5557] el0_svc+0x78/0x1d0 [ 76.840278][ T5557] el0t_64_sync_handler+0xcc/0xe4 [ 76.841064][ T5557] el0t_64_sync+0x1a0/0x1a4 [ 76.842347][ T5563] CPU: 0 PID: 5563 Comm: syz.1.37 Not tainted syzkaller #0 [ 76.843459][ T5563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.845170][ T5563] Call trace: [ 76.845660][ T5563] dump_backtrace+0x0/0x458 [ 76.847393][ T5563] show_stack+0x2c/0x3c [ 76.848001][ T5563] __dump_stack+0x30/0x40 [ 76.848764][ T5563] dump_stack_lvl+0xf4/0x15c [ 76.849416][ T5563] dump_stack+0x1c/0x5c [ 76.850051][ T5563] sysfs_create_dir_ns+0x244/0x264 [ 76.850798][ T5563] kobject_add_internal+0x5ac/0xc3c [ 76.851588][ T5563] kobject_init_and_add+0x124/0x190 [ 76.852482][ T5563] gfs2_sys_fs_add+0x200/0x41c [ 76.853208][ T5563] gfs2_fill_super+0xddc/0x1a18 [ 76.853936][ T5563] get_tree_bdev+0x358/0x544 [ 76.854620][ T5563] gfs2_get_tree+0x54/0x1b4 [ 76.855333][ T5563] vfs_get_tree+0x90/0x274 [ 76.856096][ T5563] do_new_mount+0x228/0x810 [ 76.856744][ T5563] path_mount+0x5bc/0x1008 [ 76.857475][ T5563] __arm64_sys_mount+0x514/0x5f0 [ 76.858270][ T5563] invoke_syscall+0x98/0x2b0 [ 76.858957][ T5563] el0_svc_common+0x138/0x258 [ 76.859688][ T5563] do_el0_svc+0x58/0x13c [ 76.860421][ T5563] el0_svc+0x78/0x1d0 [ 76.861088][ T5563] el0t_64_sync_handler+0xcc/0xe4 [ 76.861875][ T5563] el0t_64_sync+0x1a0/0x1a4 [ 76.867312][ T5559] CPU: 0 PID: 5559 Comm: syz.2.35 Not tainted syzkaller #0 [ 76.868366][ T5559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.869892][ T5559] Call trace: [ 76.870346][ T5559] dump_backtrace+0x0/0x458 [ 76.871042][ T5559] show_stack+0x2c/0x3c [ 76.871701][ T5559] __dump_stack+0x30/0x40 [ 76.872392][ T5559] dump_stack_lvl+0xf4/0x15c [ 76.873101][ T5559] dump_stack+0x1c/0x5c [ 76.873737][ T5559] sysfs_create_dir_ns+0x244/0x264 [ 76.874669][ T5559] kobject_add_internal+0x5ac/0xc3c [ 76.875525][ T5559] kobject_init_and_add+0x124/0x190 [ 76.876325][ T5559] gfs2_sys_fs_add+0x200/0x41c [ 76.877102][ T5559] gfs2_fill_super+0xddc/0x1a18 [ 76.877826][ T5559] get_tree_bdev+0x358/0x544 [ 76.878547][ T5559] gfs2_get_tree+0x54/0x1b4 [ 76.879250][ T5559] vfs_get_tree+0x90/0x274 [ 76.879964][ T5559] do_new_mount+0x228/0x810 [ 76.880663][ T5559] path_mount+0x5bc/0x1008 [ 76.881295][ T5559] __arm64_sys_mount+0x514/0x5f0 [ 76.882039][ T5559] invoke_syscall+0x98/0x2b0 [ 76.882718][ T5559] el0_svc_common+0x138/0x258 [ 76.883469][ T5559] do_el0_svc+0x58/0x13c [ 76.884256][ T5559] el0_svc+0x78/0x1d0 [ 76.884909][ T5559] el0t_64_sync_handler+0xcc/0xe4 [ 76.885828][ T5559] el0t_64_sync+0x1a0/0x1a4 [ 76.893149][ T5557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.895138][ T5557] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.907164][ T5563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.911137][ T5559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.913007][ T5559] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.914148][ T5563] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.966884][ T5561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.968276][ T5561] CPU: 1 PID: 5561 Comm: syz.4.36 Not tainted syzkaller #0 [ 76.969446][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.971058][ T5561] Call trace: [ 76.971632][ T5561] dump_backtrace+0x0/0x458 [ 76.972291][ T5561] show_stack+0x2c/0x3c [ 76.972887][ T5561] __dump_stack+0x30/0x40 [ 76.973515][ T5561] dump_stack_lvl+0xf4/0x15c [ 76.974212][ T5561] dump_stack+0x1c/0x5c [ 76.974818][ T5561] sysfs_create_dir_ns+0x244/0x264 [ 76.975583][ T5561] kobject_add_internal+0x5ac/0xc3c [ 76.976438][ T5561] kobject_init_and_add+0x124/0x190 [ 76.977386][ T5561] gfs2_sys_fs_add+0x200/0x41c [ 76.978177][ T5561] gfs2_fill_super+0xddc/0x1a18 [ 76.979023][ T5561] get_tree_bdev+0x358/0x544 [ 76.979797][ T5561] gfs2_get_tree+0x54/0x1b4 [ 76.980553][ T5561] vfs_get_tree+0x90/0x274 [ 76.981219][ T5561] do_new_mount+0x228/0x810 [ 76.981946][ T5561] path_mount+0x5bc/0x1008 [ 76.982670][ T5561] __arm64_sys_mount+0x514/0x5f0 [ 76.983483][ T5561] invoke_syscall+0x98/0x2b0 [ 76.984188][ T5561] el0_svc_common+0x138/0x258 [ 76.984881][ T5561] do_el0_svc+0x58/0x13c [ 76.985529][ T5561] el0_svc+0x78/0x1d0 [ 76.986103][ T5561] el0t_64_sync_handler+0xcc/0xe4 [ 76.986836][ T5561] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:16 executed programs: 33 [ 77.006069][ T5561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.008411][ T5561] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.151586][ T5565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.152913][ T5565] CPU: 0 PID: 5565 Comm: syz.2.38 Not tainted syzkaller #0 [ 77.153989][ T5565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.155537][ T5565] Call trace: [ 77.156031][ T5565] dump_backtrace+0x0/0x458 [ 77.156854][ T5565] show_stack+0x2c/0x3c [ 77.157524][ T5565] __dump_stack+0x30/0x40 [ 77.158168][ T5565] dump_stack_lvl+0xf4/0x15c [ 77.158959][ T5565] dump_stack+0x1c/0x5c [ 77.159732][ T5565] sysfs_create_dir_ns+0x244/0x264 [ 77.160630][ T5565] kobject_add_internal+0x5ac/0xc3c [ 77.161486][ T5565] kobject_init_and_add+0x124/0x190 [ 77.162277][ T5565] gfs2_sys_fs_add+0x200/0x41c [ 77.163106][ T5565] gfs2_fill_super+0xddc/0x1a18 [ 77.163924][ T5565] get_tree_bdev+0x358/0x544 [ 77.164748][ T5565] gfs2_get_tree+0x54/0x1b4 [ 77.165517][ T5565] vfs_get_tree+0x90/0x274 [ 77.166244][ T5565] do_new_mount+0x228/0x810 [ 77.166978][ T5565] path_mount+0x5bc/0x1008 [ 77.167709][ T5565] __arm64_sys_mount+0x514/0x5f0 [ 77.168532][ T5565] invoke_syscall+0x98/0x2b0 [ 77.169254][ T5565] el0_svc_common+0x138/0x258 [ 77.169995][ T5565] do_el0_svc+0x58/0x13c [ 77.170754][ T5565] el0_svc+0x78/0x1d0 [ 77.171274][ T5565] el0t_64_sync_handler+0xcc/0xe4 [ 77.172170][ T5565] el0t_64_sync+0x1a0/0x1a4 [ 77.213534][ T5565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.215631][ T5565] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.298729][ T5567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.300054][ T5567] CPU: 1 PID: 5567 Comm: syz.3.39 Not tainted syzkaller #0 [ 77.301239][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.302887][ T5567] Call trace: [ 77.303424][ T5567] dump_backtrace+0x0/0x458 [ 77.304145][ T5567] show_stack+0x2c/0x3c [ 77.304798][ T5567] __dump_stack+0x30/0x40 [ 77.305537][ T5567] dump_stack_lvl+0xf4/0x15c [ 77.306265][ T5567] dump_stack+0x1c/0x5c [ 77.306950][ T5567] sysfs_create_dir_ns+0x244/0x264 [ 77.307739][ T5567] kobject_add_internal+0x5ac/0xc3c [ 77.308523][ T5567] kobject_init_and_add+0x124/0x190 [ 77.309281][ T5567] gfs2_sys_fs_add+0x200/0x41c [ 77.310116][ T5567] gfs2_fill_super+0xddc/0x1a18 [ 77.311072][ T5567] get_tree_bdev+0x358/0x544 [ 77.311754][ T5567] gfs2_get_tree+0x54/0x1b4 [ 77.312405][ T5567] vfs_get_tree+0x90/0x274 [ 77.312956][ T5567] do_new_mount+0x228/0x810 [ 77.313518][ T5567] path_mount+0x5bc/0x1008 [ 77.314068][ T5567] __arm64_sys_mount+0x514/0x5f0 [ 77.314689][ T5567] invoke_syscall+0x98/0x2b0 [ 77.315273][ T5567] el0_svc_common+0x138/0x258 [ 77.315871][ T5567] do_el0_svc+0x58/0x13c [ 77.316426][ T5567] el0_svc+0x78/0x1d0 [ 77.317019][ T5567] el0t_64_sync_handler+0xcc/0xe4 [ 77.317670][ T5567] el0t_64_sync+0x1a0/0x1a4 [ 77.337520][ T5567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.339791][ T5567] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.360534][ T5563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.361811][ T5563] CPU: 0 PID: 5563 Comm: syz.1.37 Not tainted syzkaller #0 [ 77.362941][ T5563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.364503][ T5563] Call trace: [ 77.365044][ T5563] dump_backtrace+0x0/0x458 [ 77.365720][ T5563] show_stack+0x2c/0x3c [ 77.366394][ T5563] __dump_stack+0x30/0x40 [ 77.367076][ T5563] dump_stack_lvl+0xf4/0x15c [ 77.367847][ T5563] dump_stack+0x1c/0x5c [ 77.368559][ T5563] sysfs_create_dir_ns+0x244/0x264 [ 77.369346][ T5563] kobject_add_internal+0x5ac/0xc3c [ 77.370225][ T5563] kobject_init_and_add+0x124/0x190 [ 77.370976][ T5563] gfs2_sys_fs_add+0x200/0x41c [ 77.371667][ T5563] gfs2_fill_super+0xddc/0x1a18 [ 77.372458][ T5563] get_tree_bdev+0x358/0x544 [ 77.373271][ T5563] gfs2_get_tree+0x54/0x1b4 [ 77.373954][ T5563] vfs_get_tree+0x90/0x274 [ 77.374656][ T5563] do_new_mount+0x228/0x810 [ 77.375308][ T5563] path_mount+0x5bc/0x1008 [ 77.375932][ T5563] __arm64_sys_mount+0x514/0x5f0 [ 77.376662][ T5563] invoke_syscall+0x98/0x2b0 [ 77.377295][ T5563] el0_svc_common+0x138/0x258 [ 77.377995][ T5563] do_el0_svc+0x58/0x13c [ 77.378646][ T5563] el0_svc+0x78/0x1d0 [ 77.379336][ T5563] el0t_64_sync_handler+0xcc/0xe4 [ 77.380175][ T5563] el0t_64_sync+0x1a0/0x1a4 [ 77.421620][ T5563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.423883][ T5563] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.489471][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.490756][ T5569] CPU: 1 PID: 5569 Comm: syz.4.40 Not tainted syzkaller #0 [ 77.491914][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.493760][ T5569] Call trace: [ 77.494363][ T5569] dump_backtrace+0x0/0x458 [ 77.495116][ T5569] show_stack+0x2c/0x3c [ 77.495844][ T5569] __dump_stack+0x30/0x40 [ 77.496551][ T5569] dump_stack_lvl+0xf4/0x15c [ 77.497286][ T5569] dump_stack+0x1c/0x5c [ 77.497921][ T5569] sysfs_create_dir_ns+0x244/0x264 [ 77.498719][ T5569] kobject_add_internal+0x5ac/0xc3c [ 77.499563][ T5569] kobject_init_and_add+0x124/0x190 [ 77.500497][ T5569] gfs2_sys_fs_add+0x200/0x41c [ 77.501222][ T5569] gfs2_fill_super+0xddc/0x1a18 [ 77.501934][ T5569] get_tree_bdev+0x358/0x544 [ 77.502663][ T5569] gfs2_get_tree+0x54/0x1b4 [ 77.503334][ T5569] vfs_get_tree+0x90/0x274 [ 77.504002][ T5569] do_new_mount+0x228/0x810 [ 77.504664][ T5569] path_mount+0x5bc/0x1008 [ 77.505379][ T5569] __arm64_sys_mount+0x514/0x5f0 [ 77.506141][ T5569] invoke_syscall+0x98/0x2b0 [ 77.506817][ T5569] el0_svc_common+0x138/0x258 [ 77.507625][ T5569] do_el0_svc+0x58/0x13c [ 77.508322][ T5569] el0_svc+0x78/0x1d0 [ 77.508968][ T5569] el0t_64_sync_handler+0xcc/0xe4 [ 77.509841][ T5569] el0t_64_sync+0x1a0/0x1a4 [ 77.557302][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.559280][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.631265][ T5565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.632543][ T5565] CPU: 0 PID: 5565 Comm: syz.2.38 Not tainted syzkaller #0 [ 77.633706][ T5565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.635334][ T5565] Call trace: [ 77.635839][ T5565] dump_backtrace+0x0/0x458 [ 77.636535][ T5565] show_stack+0x2c/0x3c [ 77.637327][ T5565] __dump_stack+0x30/0x40 [ 77.638017][ T5565] dump_stack_lvl+0xf4/0x15c [ 77.638811][ T5565] dump_stack+0x1c/0x5c [ 77.639371][ T5565] sysfs_create_dir_ns+0x244/0x264 [ 77.640075][ T5565] kobject_add_internal+0x5ac/0xc3c [ 77.641024][ T5565] kobject_init_and_add+0x124/0x190 [ 77.641894][ T5565] gfs2_sys_fs_add+0x200/0x41c [ 77.642815][ T5565] gfs2_fill_super+0xddc/0x1a18 [ 77.643736][ T5565] get_tree_bdev+0x358/0x544 [ 77.644463][ T5565] gfs2_get_tree+0x54/0x1b4 [ 77.645218][ T5565] vfs_get_tree+0x90/0x274 [ 77.645993][ T5565] do_new_mount+0x228/0x810 [ 77.646761][ T5565] path_mount+0x5bc/0x1008 [ 77.647403][ T5565] __arm64_sys_mount+0x514/0x5f0 [ 77.648229][ T5565] invoke_syscall+0x98/0x2b0 [ 77.648871][ T5565] el0_svc_common+0x138/0x258 [ 77.649650][ T5565] do_el0_svc+0x58/0x13c [ 77.650326][ T5565] el0_svc+0x78/0x1d0 [ 77.650941][ T5565] el0t_64_sync_handler+0xcc/0xe4 [ 77.651717][ T5565] el0t_64_sync+0x1a0/0x1a4 [ 77.661516][ T5565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.664235][ T5565] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.689975][ T5567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.691236][ T5567] CPU: 0 PID: 5567 Comm: syz.3.39 Not tainted syzkaller #0 [ 77.692439][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.694256][ T5567] Call trace: [ 77.694800][ T5567] dump_backtrace+0x0/0x458 [ 77.695618][ T5567] show_stack+0x2c/0x3c [ 77.696242][ T5567] __dump_stack+0x30/0x40 [ 77.696963][ T5567] dump_stack_lvl+0xf4/0x15c [ 77.697747][ T5567] dump_stack+0x1c/0x5c [ 77.698381][ T5567] sysfs_create_dir_ns+0x244/0x264 [ 77.699148][ T5567] kobject_add_internal+0x5ac/0xc3c [ 77.699968][ T5567] kobject_init_and_add+0x124/0x190 [ 77.700856][ T5567] gfs2_sys_fs_add+0x200/0x41c [ 77.701649][ T5567] gfs2_fill_super+0xddc/0x1a18 [ 77.702405][ T5567] get_tree_bdev+0x358/0x544 [ 77.703189][ T5567] gfs2_get_tree+0x54/0x1b4 [ 77.703951][ T5567] vfs_get_tree+0x90/0x274 [ 77.704676][ T5567] do_new_mount+0x228/0x810 [ 77.705401][ T5567] path_mount+0x5bc/0x1008 [ 77.706029][ T5567] __arm64_sys_mount+0x514/0x5f0 [ 77.706747][ T5567] invoke_syscall+0x98/0x2b0 [ 77.707451][ T5567] el0_svc_common+0x138/0x258 [ 77.708032][ T5567] do_el0_svc+0x58/0x13c [ 77.708567][ T5567] el0_svc+0x78/0x1d0 [ 77.709059][ T5567] el0t_64_sync_handler+0xcc/0xe4 [ 77.709678][ T5567] el0t_64_sync+0x1a0/0x1a4 [ 77.740908][ T5567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.743028][ T5567] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.778830][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.780013][ T5571] CPU: 0 PID: 5571 Comm: syz.1.41 Not tainted syzkaller #0 [ 77.781190][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.782813][ T5571] Call trace: [ 77.783324][ T5571] dump_backtrace+0x0/0x458 [ 77.783878][ T5571] show_stack+0x2c/0x3c [ 77.784383][ T5571] __dump_stack+0x30/0x40 [ 77.784932][ T5571] dump_stack_lvl+0xf4/0x15c [ 77.785654][ T5571] dump_stack+0x1c/0x5c [ 77.786351][ T5571] sysfs_create_dir_ns+0x244/0x264 [ 77.787189][ T5571] kobject_add_internal+0x5ac/0xc3c [ 77.788058][ T5571] kobject_init_and_add+0x124/0x190 [ 77.788894][ T5571] gfs2_sys_fs_add+0x200/0x41c [ 77.789636][ T5571] gfs2_fill_super+0xddc/0x1a18 [ 77.790450][ T5571] get_tree_bdev+0x358/0x544 [ 77.791182][ T5571] gfs2_get_tree+0x54/0x1b4 [ 77.791821][ T5571] vfs_get_tree+0x90/0x274 [ 77.792439][ T5571] do_new_mount+0x228/0x810 [ 77.793156][ T5571] path_mount+0x5bc/0x1008 [ 77.793810][ T5571] __arm64_sys_mount+0x514/0x5f0 [ 77.794544][ T5571] invoke_syscall+0x98/0x2b0 [ 77.795294][ T5571] el0_svc_common+0x138/0x258 [ 77.796115][ T5571] do_el0_svc+0x58/0x13c [ 77.796835][ T5571] el0_svc+0x78/0x1d0 [ 77.797465][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 77.798253][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 77.819228][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.825485][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.848697][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.849914][ T5569] CPU: 1 PID: 5569 Comm: syz.4.40 Not tainted syzkaller #0 [ 77.851029][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.852614][ T5569] Call trace: [ 77.853110][ T5569] dump_backtrace+0x0/0x458 [ 77.853784][ T5569] show_stack+0x2c/0x3c [ 77.854454][ T5569] __dump_stack+0x30/0x40 [ 77.855171][ T5569] dump_stack_lvl+0xf4/0x15c [ 77.855878][ T5569] dump_stack+0x1c/0x5c [ 77.856527][ T5569] sysfs_create_dir_ns+0x244/0x264 [ 77.857453][ T5569] kobject_add_internal+0x5ac/0xc3c [ 77.858254][ T5569] kobject_init_and_add+0x124/0x190 [ 77.858973][ T5569] gfs2_sys_fs_add+0x200/0x41c [ 77.859751][ T5569] gfs2_fill_super+0xddc/0x1a18 [ 77.860474][ T5569] get_tree_bdev+0x358/0x544 [ 77.861221][ T5569] gfs2_get_tree+0x54/0x1b4 [ 77.861869][ T5569] vfs_get_tree+0x90/0x274 [ 77.862541][ T5569] do_new_mount+0x228/0x810 [ 77.863176][ T5569] path_mount+0x5bc/0x1008 [ 77.863806][ T5569] __arm64_sys_mount+0x514/0x5f0 [ 77.864619][ T5569] invoke_syscall+0x98/0x2b0 [ 77.865427][ T5569] el0_svc_common+0x138/0x258 [ 77.866166][ T5569] do_el0_svc+0x58/0x13c [ 77.866754][ T5569] el0_svc+0x78/0x1d0 [ 77.867307][ T5569] el0t_64_sync_handler+0xcc/0xe4 [ 77.868167][ T5569] el0t_64_sync+0x1a0/0x1a4 [ 77.896759][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.899046][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.928436][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.929690][ T5573] CPU: 1 PID: 5573 Comm: syz.2.42 Not tainted syzkaller #0 [ 77.930754][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.932239][ T5573] Call trace: [ 77.932743][ T5573] dump_backtrace+0x0/0x458 [ 77.933473][ T5573] show_stack+0x2c/0x3c [ 77.934089][ T5573] __dump_stack+0x30/0x40 [ 77.934822][ T5573] dump_stack_lvl+0xf4/0x15c [ 77.935519][ T5573] dump_stack+0x1c/0x5c [ 77.936094][ T5573] sysfs_create_dir_ns+0x244/0x264 [ 77.936877][ T5573] kobject_add_internal+0x5ac/0xc3c [ 77.937975][ T5573] kobject_init_and_add+0x124/0x190 [ 77.938852][ T5573] gfs2_sys_fs_add+0x200/0x41c [ 77.939615][ T5573] gfs2_fill_super+0xddc/0x1a18 [ 77.940411][ T5573] get_tree_bdev+0x358/0x544 [ 77.941166][ T5573] gfs2_get_tree+0x54/0x1b4 [ 77.941921][ T5573] vfs_get_tree+0x90/0x274 [ 77.942619][ T5573] do_new_mount+0x228/0x810 [ 77.943314][ T5573] path_mount+0x5bc/0x1008 [ 77.944061][ T5573] __arm64_sys_mount+0x514/0x5f0 [ 77.944754][ T5573] invoke_syscall+0x98/0x2b0 [ 77.945435][ T5573] el0_svc_common+0x138/0x258 [ 77.946123][ T5573] do_el0_svc+0x58/0x13c [ 77.946778][ T5573] el0_svc+0x78/0x1d0 [ 77.947378][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 77.948173][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 77.980631][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.982673][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.067609][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.068954][ T5575] CPU: 1 PID: 5575 Comm: syz.3.43 Not tainted syzkaller #0 [ 78.070133][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.071632][ T5575] Call trace: [ 78.072100][ T5575] dump_backtrace+0x0/0x458 [ 78.072816][ T5575] show_stack+0x2c/0x3c [ 78.073461][ T5575] __dump_stack+0x30/0x40 [ 78.074152][ T5575] dump_stack_lvl+0xf4/0x15c [ 78.074883][ T5575] dump_stack+0x1c/0x5c [ 78.075621][ T5575] sysfs_create_dir_ns+0x244/0x264 [ 78.076453][ T5575] kobject_add_internal+0x5ac/0xc3c [ 78.077372][ T5575] kobject_init_and_add+0x124/0x190 [ 78.078188][ T5575] gfs2_sys_fs_add+0x200/0x41c [ 78.078955][ T5575] gfs2_fill_super+0xddc/0x1a18 [ 78.079694][ T5575] get_tree_bdev+0x358/0x544 [ 78.080337][ T5575] gfs2_get_tree+0x54/0x1b4 [ 78.081018][ T5575] vfs_get_tree+0x90/0x274 [ 78.081649][ T5575] do_new_mount+0x228/0x810 [ 78.082346][ T5575] path_mount+0x5bc/0x1008 [ 78.083046][ T5575] __arm64_sys_mount+0x514/0x5f0 [ 78.083765][ T5575] invoke_syscall+0x98/0x2b0 [ 78.084463][ T5575] el0_svc_common+0x138/0x258 [ 78.085197][ T5575] do_el0_svc+0x58/0x13c [ 78.085833][ T5575] el0_svc+0x78/0x1d0 [ 78.086437][ T5575] el0t_64_sync_handler+0xcc/0xe4 [ 78.087164][ T5575] el0t_64_sync+0x1a0/0x1a4 [ 78.109252][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.110622][ T5571] CPU: 0 PID: 5571 Comm: syz.1.41 Not tainted syzkaller #0 [ 78.111768][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.113204][ T5571] Call trace: [ 78.113724][ T5571] dump_backtrace+0x0/0x458 [ 78.114373][ T5571] show_stack+0x2c/0x3c [ 78.115051][ T5571] __dump_stack+0x30/0x40 [ 78.115814][ T5571] dump_stack_lvl+0xf4/0x15c [ 78.116632][ T5571] dump_stack+0x1c/0x5c [ 78.117316][ T5571] sysfs_create_dir_ns+0x244/0x264 [ 78.118134][ T5571] kobject_add_internal+0x5ac/0xc3c [ 78.118982][ T5571] kobject_init_and_add+0x124/0x190 [ 78.119790][ T5571] gfs2_sys_fs_add+0x200/0x41c [ 78.120511][ T5571] gfs2_fill_super+0xddc/0x1a18 [ 78.121239][ T5571] get_tree_bdev+0x358/0x544 [ 78.121928][ T5571] gfs2_get_tree+0x54/0x1b4 [ 78.122616][ T5571] vfs_get_tree+0x90/0x274 [ 78.123358][ T5571] do_new_mount+0x228/0x810 [ 78.124082][ T5571] path_mount+0x5bc/0x1008 [ 78.124732][ T5571] __arm64_sys_mount+0x514/0x5f0 [ 78.125581][ T5571] invoke_syscall+0x98/0x2b0 [ 78.126406][ T5571] el0_svc_common+0x138/0x258 [ 78.127167][ T5571] do_el0_svc+0x58/0x13c [ 78.127942][ T5571] el0_svc+0x78/0x1d0 [ 78.128624][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 78.129091][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.129410][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 78.132437][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.157581][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.159494][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.183335][ T5577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.184627][ T5577] CPU: 0 PID: 5577 Comm: syz.4.44 Not tainted syzkaller #0 [ 78.185616][ T5577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.187083][ T5577] Call trace: [ 78.187574][ T5577] dump_backtrace+0x0/0x458 [ 78.188210][ T5577] show_stack+0x2c/0x3c [ 78.188821][ T5577] __dump_stack+0x30/0x40 [ 78.189535][ T5577] dump_stack_lvl+0xf4/0x15c [ 78.190246][ T5577] dump_stack+0x1c/0x5c [ 78.190832][ T5577] sysfs_create_dir_ns+0x244/0x264 [ 78.191589][ T5577] kobject_add_internal+0x5ac/0xc3c [ 78.192482][ T5577] kobject_init_and_add+0x124/0x190 [ 78.193237][ T5577] gfs2_sys_fs_add+0x200/0x41c [ 78.193992][ T5577] gfs2_fill_super+0xddc/0x1a18 [ 78.194793][ T5577] get_tree_bdev+0x358/0x544 [ 78.195456][ T5577] gfs2_get_tree+0x54/0x1b4 [ 78.196185][ T5577] vfs_get_tree+0x90/0x274 [ 78.196854][ T5577] do_new_mount+0x228/0x810 [ 78.197616][ T5577] path_mount+0x5bc/0x1008 [ 78.198370][ T5577] __arm64_sys_mount+0x514/0x5f0 [ 78.199275][ T5577] invoke_syscall+0x98/0x2b0 [ 78.200051][ T5577] el0_svc_common+0x138/0x258 [ 78.200804][ T5577] do_el0_svc+0x58/0x13c [ 78.201495][ T5577] el0_svc+0x78/0x1d0 [ 78.202090][ T5577] el0t_64_sync_handler+0xcc/0xe4 [ 78.202926][ T5577] el0t_64_sync+0x1a0/0x1a4 [ 78.222133][ T5577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.224250][ T5577] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.241820][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.243001][ T5573] CPU: 1 PID: 5573 Comm: syz.2.42 Not tainted syzkaller #0 [ 78.244233][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.245824][ T5573] Call trace: [ 78.246400][ T5573] dump_backtrace+0x0/0x458 [ 78.247077][ T5573] show_stack+0x2c/0x3c [ 78.247778][ T5573] __dump_stack+0x30/0x40 [ 78.248528][ T5573] dump_stack_lvl+0xf4/0x15c [ 78.249314][ T5573] dump_stack+0x1c/0x5c [ 78.250064][ T5573] sysfs_create_dir_ns+0x244/0x264 [ 78.250900][ T5573] kobject_add_internal+0x5ac/0xc3c [ 78.251775][ T5573] kobject_init_and_add+0x124/0x190 [ 78.252623][ T5573] gfs2_sys_fs_add+0x200/0x41c [ 78.253416][ T5573] gfs2_fill_super+0xddc/0x1a18 [ 78.254181][ T5573] get_tree_bdev+0x358/0x544 [ 78.254849][ T5573] gfs2_get_tree+0x54/0x1b4 [ 78.255475][ T5573] vfs_get_tree+0x90/0x274 [ 78.256178][ T5573] do_new_mount+0x228/0x810 [ 78.256879][ T5573] path_mount+0x5bc/0x1008 [ 78.257637][ T5573] __arm64_sys_mount+0x514/0x5f0 [ 78.258506][ T5573] invoke_syscall+0x98/0x2b0 [ 78.259233][ T5573] el0_svc_common+0x138/0x258 [ 78.259975][ T5573] do_el0_svc+0x58/0x13c [ 78.260660][ T5573] el0_svc+0x78/0x1d0 [ 78.261351][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 78.262232][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 78.273497][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.275693][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.361352][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.362658][ T5575] CPU: 0 PID: 5575 Comm: syz.3.43 Not tainted syzkaller #0 [ 78.363702][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.365342][ T5575] Call trace: [ 78.365878][ T5575] dump_backtrace+0x0/0x458 [ 78.366657][ T5575] show_stack+0x2c/0x3c [ 78.367286][ T5575] __dump_stack+0x30/0x40 [ 78.367975][ T5575] dump_stack_lvl+0xf4/0x15c [ 78.368708][ T5575] dump_stack+0x1c/0x5c [ 78.369438][ T5575] sysfs_create_dir_ns+0x244/0x264 [ 78.370269][ T5575] kobject_add_internal+0x5ac/0xc3c [ 78.371038][ T5575] kobject_init_and_add+0x124/0x190 [ 78.371818][ T5575] gfs2_sys_fs_add+0x200/0x41c [ 78.372524][ T5575] gfs2_fill_super+0xddc/0x1a18 [ 78.373260][ T5575] get_tree_bdev+0x358/0x544 [ 78.373959][ T5575] gfs2_get_tree+0x54/0x1b4 [ 78.374675][ T5575] vfs_get_tree+0x90/0x274 [ 78.375372][ T5575] do_new_mount+0x228/0x810 [ 78.376063][ T5575] path_mount+0x5bc/0x1008 [ 78.376755][ T5575] __arm64_sys_mount+0x514/0x5f0 [ 78.377493][ T5575] invoke_syscall+0x98/0x2b0 [ 78.378280][ T5575] el0_svc_common+0x138/0x258 [ 78.379075][ T5575] do_el0_svc+0x58/0x13c [ 78.379761][ T5575] el0_svc+0x78/0x1d0 [ 78.380422][ T5575] el0t_64_sync_handler+0xcc/0xe4 [ 78.381308][ T5575] el0t_64_sync+0x1a0/0x1a4 [ 78.422716][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.424784][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.541591][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.542741][ T5579] CPU: 1 PID: 5579 Comm: syz.2.45 Not tainted syzkaller #0 [ 78.544008][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.545590][ T5579] Call trace: [ 78.546151][ T5579] dump_backtrace+0x0/0x458 [ 78.546869][ T5579] show_stack+0x2c/0x3c [ 78.547523][ T5579] __dump_stack+0x30/0x40 [ 78.548294][ T5579] dump_stack_lvl+0xf4/0x15c [ 78.549071][ T5579] dump_stack+0x1c/0x5c [ 78.549749][ T5579] sysfs_create_dir_ns+0x244/0x264 [ 78.550650][ T5579] kobject_add_internal+0x5ac/0xc3c [ 78.551494][ T5579] kobject_init_and_add+0x124/0x190 [ 78.552440][ T5579] gfs2_sys_fs_add+0x200/0x41c [ 78.553260][ T5579] gfs2_fill_super+0xddc/0x1a18 [ 78.554057][ T5579] get_tree_bdev+0x358/0x544 [ 78.554870][ T5579] gfs2_get_tree+0x54/0x1b4 [ 78.555673][ T5579] vfs_get_tree+0x90/0x274 [ 78.556341][ T5579] do_new_mount+0x228/0x810 [ 78.557153][ T5579] path_mount+0x5bc/0x1008 [ 78.557875][ T5579] __arm64_sys_mount+0x514/0x5f0 [ 78.558555][ T5579] invoke_syscall+0x98/0x2b0 [ 78.559213][ T5579] el0_svc_common+0x138/0x258 [ 78.559907][ T5579] do_el0_svc+0x58/0x13c [ 78.560619][ T5579] el0_svc+0x78/0x1d0 [ 78.561291][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 78.562042][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 78.591456][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.593626][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.607915][ T5577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.609216][ T5577] CPU: 0 PID: 5577 Comm: syz.4.44 Not tainted syzkaller #0 [ 78.610340][ T5577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.611986][ T5577] Call trace: [ 78.612500][ T5577] dump_backtrace+0x0/0x458 [ 78.613191][ T5577] show_stack+0x2c/0x3c [ 78.613871][ T5577] __dump_stack+0x30/0x40 [ 78.614657][ T5577] dump_stack_lvl+0xf4/0x15c [ 78.615369][ T5577] dump_stack+0x1c/0x5c [ 78.615992][ T5577] sysfs_create_dir_ns+0x244/0x264 [ 78.616882][ T5577] kobject_add_internal+0x5ac/0xc3c [ 78.617770][ T5577] kobject_init_and_add+0x124/0x190 [ 78.618594][ T5577] gfs2_sys_fs_add+0x200/0x41c [ 78.619362][ T5577] gfs2_fill_super+0xddc/0x1a18 [ 78.619996][ T5577] get_tree_bdev+0x358/0x544 [ 78.620593][ T5577] gfs2_get_tree+0x54/0x1b4 [ 78.621209][ T5577] vfs_get_tree+0x90/0x274 [ 78.621863][ T5577] do_new_mount+0x228/0x810 [ 78.622632][ T5577] path_mount+0x5bc/0x1008 [ 78.623340][ T5577] __arm64_sys_mount+0x514/0x5f0 [ 78.624072][ T5577] invoke_syscall+0x98/0x2b0 [ 78.624740][ T5577] el0_svc_common+0x138/0x258 [ 78.625415][ T5577] do_el0_svc+0x58/0x13c [ 78.626047][ T5577] el0_svc+0x78/0x1d0 [ 78.626785][ T5577] el0t_64_sync_handler+0xcc/0xe4 [ 78.627599][ T5577] el0t_64_sync+0x1a0/0x1a4 [ 78.637989][ T5581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.639419][ T5581] CPU: 0 PID: 5581 Comm: syz.1.46 Not tainted syzkaller #0 [ 78.640542][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.642135][ T5581] Call trace: [ 78.642793][ T5581] dump_backtrace+0x0/0x458 [ 78.643500][ T5581] show_stack+0x2c/0x3c [ 78.644167][ T5581] __dump_stack+0x30/0x40 [ 78.644887][ T5581] dump_stack_lvl+0xf4/0x15c [ 78.645611][ T5581] dump_stack+0x1c/0x5c [ 78.646393][ T5581] sysfs_create_dir_ns+0x244/0x264 [ 78.647288][ T5581] kobject_add_internal+0x5ac/0xc3c [ 78.648085][ T5581] kobject_init_and_add+0x124/0x190 [ 78.648882][ T5581] gfs2_sys_fs_add+0x200/0x41c [ 78.649631][ T5581] gfs2_fill_super+0xddc/0x1a18 [ 78.650472][ T5581] get_tree_bdev+0x358/0x544 [ 78.651231][ T5581] gfs2_get_tree+0x54/0x1b4 [ 78.651939][ T5581] vfs_get_tree+0x90/0x274 [ 78.652637][ T5581] do_new_mount+0x228/0x810 [ 78.653326][ T5581] path_mount+0x5bc/0x1008 [ 78.654034][ T5581] __arm64_sys_mount+0x514/0x5f0 [ 78.654797][ T5581] invoke_syscall+0x98/0x2b0 [ 78.655580][ T5581] el0_svc_common+0x138/0x258 [ 78.656364][ T5581] do_el0_svc+0x58/0x13c [ 78.657104][ T5581] el0_svc+0x78/0x1d0 [ 78.657806][ T5581] el0t_64_sync_handler+0xcc/0xe4 [ 78.658688][ T5581] el0t_64_sync+0x1a0/0x1a4 [ 78.680119][ T5577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.682095][ T5577] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.683730][ T5581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.685929][ T5581] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.729447][ T5583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.730679][ T5583] CPU: 1 PID: 5583 Comm: syz.3.47 Not tainted syzkaller #0 [ 78.731750][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.733439][ T5583] Call trace: [ 78.734024][ T5583] dump_backtrace+0x0/0x458 [ 78.734690][ T5583] show_stack+0x2c/0x3c [ 78.735328][ T5583] __dump_stack+0x30/0x40 [ 78.736089][ T5583] dump_stack_lvl+0xf4/0x15c [ 78.736821][ T5583] dump_stack+0x1c/0x5c [ 78.737532][ T5583] sysfs_create_dir_ns+0x244/0x264 [ 78.738334][ T5583] kobject_add_internal+0x5ac/0xc3c [ 78.739199][ T5583] kobject_init_and_add+0x124/0x190 [ 78.740015][ T5583] gfs2_sys_fs_add+0x200/0x41c [ 78.740718][ T5583] gfs2_fill_super+0xddc/0x1a18 [ 78.741606][ T5583] get_tree_bdev+0x358/0x544 [ 78.742337][ T5583] gfs2_get_tree+0x54/0x1b4 [ 78.743056][ T5583] vfs_get_tree+0x90/0x274 [ 78.743790][ T5583] do_new_mount+0x228/0x810 [ 78.744557][ T5583] path_mount+0x5bc/0x1008 [ 78.745265][ T5583] __arm64_sys_mount+0x514/0x5f0 [ 78.746046][ T5583] invoke_syscall+0x98/0x2b0 [ 78.746805][ T5583] el0_svc_common+0x138/0x258 [ 78.747632][ T5583] do_el0_svc+0x58/0x13c [ 78.748331][ T5583] el0_svc+0x78/0x1d0 [ 78.748978][ T5583] el0t_64_sync_handler+0xcc/0xe4 [ 78.749786][ T5583] el0t_64_sync+0x1a0/0x1a4 [ 78.797316][ T5583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.799489][ T5583] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.892000][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.892001][ T5581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.892018][ T5581] CPU: 0 PID: 5581 Comm: syz.1.46 Not tainted syzkaller #0 [ 78.895690][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.897340][ T5581] Call trace: [ 78.897800][ T5581] dump_backtrace+0x0/0x458 [ 78.898614][ T5581] show_stack+0x2c/0x3c [ 78.899311][ T5581] __dump_stack+0x30/0x40 [ 78.900119][ T5581] dump_stack_lvl+0xf4/0x15c [ 78.900934][ T5581] dump_stack+0x1c/0x5c [ 78.901575][ T5581] sysfs_create_dir_ns+0x244/0x264 [ 78.902318][ T5581] kobject_add_internal+0x5ac/0xc3c [ 78.903166][ T5581] kobject_init_and_add+0x124/0x190 [ 78.903931][ T5581] gfs2_sys_fs_add+0x200/0x41c [ 78.904702][ T5581] gfs2_fill_super+0xddc/0x1a18 [ 78.905515][ T5581] get_tree_bdev+0x358/0x544 [ 78.906263][ T5581] gfs2_get_tree+0x54/0x1b4 [ 78.906967][ T5581] vfs_get_tree+0x90/0x274 [ 78.907678][ T5581] do_new_mount+0x228/0x810 [ 78.908452][ T5581] path_mount+0x5bc/0x1008 [ 78.909116][ T5581] __arm64_sys_mount+0x514/0x5f0 [ 78.909955][ T5581] invoke_syscall+0x98/0x2b0 [ 78.910725][ T5581] el0_svc_common+0x138/0x258 [ 78.911484][ T5581] do_el0_svc+0x58/0x13c [ 78.912208][ T5581] el0_svc+0x78/0x1d0 [ 78.912803][ T5581] el0t_64_sync_handler+0xcc/0xe4 [ 78.913625][ T5581] el0t_64_sync+0x1a0/0x1a4 [ 78.914340][ T5579] CPU: 1 PID: 5579 Comm: syz.2.45 Not tainted syzkaller #0 [ 78.915548][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.917182][ T5579] Call trace: [ 78.917686][ T5579] dump_backtrace+0x0/0x458 [ 78.918517][ T5579] show_stack+0x2c/0x3c [ 78.919272][ T5579] __dump_stack+0x30/0x40 [ 78.919947][ T5579] dump_stack_lvl+0xf4/0x15c [ 78.920683][ T5579] dump_stack+0x1c/0x5c [ 78.921378][ T5579] sysfs_create_dir_ns+0x244/0x264 [ 78.922220][ T5579] kobject_add_internal+0x5ac/0xc3c [ 78.923085][ T5579] kobject_init_and_add+0x124/0x190 [ 78.923874][ T5579] gfs2_sys_fs_add+0x200/0x41c [ 78.924631][ T5579] gfs2_fill_super+0xddc/0x1a18 [ 78.925418][ T5579] get_tree_bdev+0x358/0x544 [ 78.926279][ T5579] gfs2_get_tree+0x54/0x1b4 [ 78.927019][ T5579] vfs_get_tree+0x90/0x274 [ 78.927754][ T5579] do_new_mount+0x228/0x810 [ 78.929650][ T5579] path_mount+0x5bc/0x1008 [ 78.930309][ T5579] __arm64_sys_mount+0x514/0x5f0 [ 78.931070][ T5579] invoke_syscall+0x98/0x2b0 [ 78.931783][ T5579] el0_svc_common+0x138/0x258 [ 78.932430][ T5579] do_el0_svc+0x58/0x13c [ 78.933113][ T5579] el0_svc+0x78/0x1d0 [ 78.933706][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 78.934459][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 78.936358][ T5581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.946895][ T5581] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.967533][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.969759][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.000839][ T5585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.002045][ T5585] CPU: 0 PID: 5585 Comm: syz.4.48 Not tainted syzkaller #0 [ 79.003162][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.004770][ T5585] Call trace: [ 79.005276][ T5585] dump_backtrace+0x0/0x458 [ 79.005936][ T5585] show_stack+0x2c/0x3c [ 79.006629][ T5585] __dump_stack+0x30/0x40 [ 79.007352][ T5585] dump_stack_lvl+0xf4/0x15c [ 79.008098][ T5585] dump_stack+0x1c/0x5c [ 79.008743][ T5585] sysfs_create_dir_ns+0x244/0x264 [ 79.009494][ T5585] kobject_add_internal+0x5ac/0xc3c [ 79.010264][ T5585] kobject_init_and_add+0x124/0x190 [ 79.011001][ T5585] gfs2_sys_fs_add+0x200/0x41c [ 79.011682][ T5585] gfs2_fill_super+0xddc/0x1a18 [ 79.012430][ T5585] get_tree_bdev+0x358/0x544 [ 79.013095][ T5585] gfs2_get_tree+0x54/0x1b4 [ 79.013793][ T5585] vfs_get_tree+0x90/0x274 [ 79.014497][ T5585] do_new_mount+0x228/0x810 [ 79.015184][ T5585] path_mount+0x5bc/0x1008 [ 79.015889][ T5585] __arm64_sys_mount+0x514/0x5f0 [ 79.016667][ T5585] invoke_syscall+0x98/0x2b0 [ 79.017492][ T5585] el0_svc_common+0x138/0x258 [ 79.018280][ T5585] do_el0_svc+0x58/0x13c [ 79.018923][ T5585] el0_svc+0x78/0x1d0 [ 79.019553][ T5585] el0t_64_sync_handler+0xcc/0xe4 [ 79.020438][ T5585] el0t_64_sync+0x1a0/0x1a4 [ 79.057520][ T5585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.059536][ T5585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.199259][ T5583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.200513][ T5583] CPU: 1 PID: 5583 Comm: syz.3.47 Not tainted syzkaller #0 [ 79.201650][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.203263][ T5583] Call trace: [ 79.203806][ T5583] dump_backtrace+0x0/0x458 [ 79.204485][ T5583] show_stack+0x2c/0x3c [ 79.205165][ T5583] __dump_stack+0x30/0x40 [ 79.205859][ T5583] dump_stack_lvl+0xf4/0x15c [ 79.206601][ T5583] dump_stack+0x1c/0x5c [ 79.207298][ T5583] sysfs_create_dir_ns+0x244/0x264 [ 79.208203][ T5583] kobject_add_internal+0x5ac/0xc3c [ 79.209128][ T5583] kobject_init_and_add+0x124/0x190 [ 79.210029][ T5583] gfs2_sys_fs_add+0x200/0x41c [ 79.210773][ T5583] gfs2_fill_super+0xddc/0x1a18 [ 79.211500][ T5583] get_tree_bdev+0x358/0x544 [ 79.212176][ T5583] gfs2_get_tree+0x54/0x1b4 [ 79.212847][ T5583] vfs_get_tree+0x90/0x274 [ 79.213477][ T5583] do_new_mount+0x228/0x810 [ 79.214201][ T5583] path_mount+0x5bc/0x1008 [ 79.214877][ T5583] __arm64_sys_mount+0x514/0x5f0 [ 79.215716][ T5583] invoke_syscall+0x98/0x2b0 [ 79.216543][ T5583] el0_svc_common+0x138/0x258 [ 79.217297][ T5583] do_el0_svc+0x58/0x13c [ 79.217967][ T5583] el0_svc+0x78/0x1d0 [ 79.218656][ T5583] el0t_64_sync_handler+0xcc/0xe4 [ 79.219494][ T5583] el0t_64_sync+0x1a0/0x1a4 [ 79.242549][ T5583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.244530][ T5583] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.299654][ T5587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.301063][ T5587] CPU: 0 PID: 5587 Comm: syz.2.49 Not tainted syzkaller #0 [ 79.302131][ T5587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.303791][ T5587] Call trace: [ 79.304316][ T5587] dump_backtrace+0x0/0x458 [ 79.305115][ T5587] show_stack+0x2c/0x3c [ 79.305777][ T5587] __dump_stack+0x30/0x40 [ 79.306398][ T5587] dump_stack_lvl+0xf4/0x15c [ 79.307062][ T5587] dump_stack+0x1c/0x5c [ 79.307784][ T5587] sysfs_create_dir_ns+0x244/0x264 [ 79.308575][ T5587] kobject_add_internal+0x5ac/0xc3c [ 79.309383][ T5587] kobject_init_and_add+0x124/0x190 [ 79.310251][ T5587] gfs2_sys_fs_add+0x200/0x41c [ 79.311096][ T5587] gfs2_fill_super+0xddc/0x1a18 [ 79.311859][ T5587] get_tree_bdev+0x358/0x544 [ 79.312583][ T5587] gfs2_get_tree+0x54/0x1b4 [ 79.313365][ T5587] vfs_get_tree+0x90/0x274 [ 79.314126][ T5587] do_new_mount+0x228/0x810 [ 79.314927][ T5587] path_mount+0x5bc/0x1008 [ 79.315653][ T5587] __arm64_sys_mount+0x514/0x5f0 [ 79.316527][ T5587] invoke_syscall+0x98/0x2b0 [ 79.317257][ T5587] el0_svc_common+0x138/0x258 [ 79.318070][ T5587] do_el0_svc+0x58/0x13c [ 79.318751][ T5587] el0_svc+0x78/0x1d0 [ 79.319371][ T5587] el0t_64_sync_handler+0xcc/0xe4 [ 79.320216][ T5587] el0t_64_sync+0x1a0/0x1a4 [ 79.333516][ T5587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.335741][ T5587] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.351465][ T5585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.352738][ T5585] CPU: 0 PID: 5585 Comm: syz.4.48 Not tainted syzkaller #0 [ 79.353791][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.355363][ T5585] Call trace: [ 79.355938][ T5585] dump_backtrace+0x0/0x458 [ 79.356710][ T5585] show_stack+0x2c/0x3c [ 79.357357][ T5585] __dump_stack+0x30/0x40 [ 79.358066][ T5585] dump_stack_lvl+0xf4/0x15c [ 79.358840][ T5585] dump_stack+0x1c/0x5c [ 79.359514][ T5585] sysfs_create_dir_ns+0x244/0x264 [ 79.360351][ T5585] kobject_add_internal+0x5ac/0xc3c [ 79.361253][ T5585] kobject_init_and_add+0x124/0x190 [ 79.362157][ T5585] gfs2_sys_fs_add+0x200/0x41c [ 79.362938][ T5585] gfs2_fill_super+0xddc/0x1a18 [ 79.363726][ T5585] get_tree_bdev+0x358/0x544 [ 79.364438][ T5585] gfs2_get_tree+0x54/0x1b4 [ 79.365100][ T5585] vfs_get_tree+0x90/0x274 [ 79.365799][ T5585] do_new_mount+0x228/0x810 [ 79.366539][ T5585] path_mount+0x5bc/0x1008 [ 79.367277][ T5585] __arm64_sys_mount+0x514/0x5f0 [ 79.368026][ T5585] invoke_syscall+0x98/0x2b0 [ 79.368831][ T5585] el0_svc_common+0x138/0x258 [ 79.369631][ T5585] do_el0_svc+0x58/0x13c [ 79.370333][ T5585] el0_svc+0x78/0x1d0 [ 79.370978][ T5585] el0t_64_sync_handler+0xcc/0xe4 [ 79.371765][ T5585] el0t_64_sync+0x1a0/0x1a4 [ 79.399691][ T5585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.401871][ T5585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.464325][ T5589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.465540][ T5589] CPU: 1 PID: 5589 Comm: syz.1.50 Not tainted syzkaller #0 [ 79.466665][ T5589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.468352][ T5589] Call trace: [ 79.468892][ T5589] dump_backtrace+0x0/0x458 [ 79.469555][ T5589] show_stack+0x2c/0x3c [ 79.470213][ T5589] __dump_stack+0x30/0x40 [ 79.470888][ T5589] dump_stack_lvl+0xf4/0x15c [ 79.471689][ T5589] dump_stack+0x1c/0x5c [ 79.472322][ T5589] sysfs_create_dir_ns+0x244/0x264 [ 79.473147][ T5589] kobject_add_internal+0x5ac/0xc3c [ 79.473966][ T5589] kobject_init_and_add+0x124/0x190 [ 79.474760][ T5589] gfs2_sys_fs_add+0x200/0x41c [ 79.475464][ T5589] gfs2_fill_super+0xddc/0x1a18 [ 79.476293][ T5589] get_tree_bdev+0x358/0x544 [ 79.477076][ T5589] gfs2_get_tree+0x54/0x1b4 [ 79.477770][ T5589] vfs_get_tree+0x90/0x274 [ 79.478381][ T5589] do_new_mount+0x228/0x810 [ 79.479119][ T5589] path_mount+0x5bc/0x1008 [ 79.479795][ T5589] __arm64_sys_mount+0x514/0x5f0 [ 79.480588][ T5589] invoke_syscall+0x98/0x2b0 [ 79.481323][ T5589] el0_svc_common+0x138/0x258 [ 79.482071][ T5589] do_el0_svc+0x58/0x13c [ 79.482772][ T5589] el0_svc+0x78/0x1d0 [ 79.483419][ T5589] el0t_64_sync_handler+0xcc/0xe4 [ 79.484321][ T5589] el0t_64_sync+0x1a0/0x1a4 [ 79.507737][ T5589] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.509890][ T5589] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.549064][ T5587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.550347][ T5587] CPU: 0 PID: 5587 Comm: syz.2.49 Not tainted syzkaller #0 [ 79.551389][ T5587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.552904][ T5587] Call trace: [ 79.553535][ T5587] dump_backtrace+0x0/0x458 [ 79.554345][ T5587] show_stack+0x2c/0x3c [ 79.555012][ T5587] __dump_stack+0x30/0x40 [ 79.555651][ T5587] dump_stack_lvl+0xf4/0x15c [ 79.556406][ T5587] dump_stack+0x1c/0x5c [ 79.557113][ T5587] sysfs_create_dir_ns+0x244/0x264 [ 79.557919][ T5587] kobject_add_internal+0x5ac/0xc3c [ 79.558712][ T5587] kobject_init_and_add+0x124/0x190 [ 79.559553][ T5587] gfs2_sys_fs_add+0x200/0x41c [ 79.560247][ T5587] gfs2_fill_super+0xddc/0x1a18 [ 79.560984][ T5587] get_tree_bdev+0x358/0x544 [ 79.561692][ T5587] gfs2_get_tree+0x54/0x1b4 [ 79.562411][ T5587] vfs_get_tree+0x90/0x274 [ 79.563127][ T5587] do_new_mount+0x228/0x810 [ 79.563829][ T5587] path_mount+0x5bc/0x1008 [ 79.564578][ T5587] __arm64_sys_mount+0x514/0x5f0 [ 79.565363][ T5587] invoke_syscall+0x98/0x2b0 [ 79.566104][ T5587] el0_svc_common+0x138/0x258 [ 79.566839][ T5587] do_el0_svc+0x58/0x13c [ 79.567488][ T5587] el0_svc+0x78/0x1d0 [ 79.568060][ T5587] el0t_64_sync_handler+0xcc/0xe4 [ 79.568467][ T5591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.568947][ T5587] el0t_64_sync+0x1a0/0x1a4 [ 79.570803][ T5591] CPU: 1 PID: 5591 Comm: syz.3.51 Not tainted syzkaller #0 [ 79.572068][ T5591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.573633][ T5591] Call trace: [ 79.574135][ T5591] dump_backtrace+0x0/0x458 [ 79.574834][ T5591] show_stack+0x2c/0x3c [ 79.575515][ T5591] __dump_stack+0x30/0x40 [ 79.576209][ T5591] dump_stack_lvl+0xf4/0x15c [ 79.577022][ T5591] dump_stack+0x1c/0x5c [ 79.577594][ T5591] sysfs_create_dir_ns+0x244/0x264 [ 79.578410][ T5591] kobject_add_internal+0x5ac/0xc3c [ 79.579286][ T5591] kobject_init_and_add+0x124/0x190 [ 79.580092][ T5591] gfs2_sys_fs_add+0x200/0x41c [ 79.580941][ T5591] gfs2_fill_super+0xddc/0x1a18 [ 79.581686][ T5591] get_tree_bdev+0x358/0x544 [ 79.582378][ T5591] gfs2_get_tree+0x54/0x1b4 [ 79.583137][ T5591] vfs_get_tree+0x90/0x274 [ 79.583915][ T5591] do_new_mount+0x228/0x810 [ 79.584597][ T5591] path_mount+0x5bc/0x1008 [ 79.585314][ T5591] __arm64_sys_mount+0x514/0x5f0 [ 79.586029][ T5591] invoke_syscall+0x98/0x2b0 [ 79.586808][ T5591] el0_svc_common+0x138/0x258 [ 79.587654][ T5591] do_el0_svc+0x58/0x13c [ 79.588324][ T5591] el0_svc+0x78/0x1d0 [ 79.588923][ T5591] el0t_64_sync_handler+0xcc/0xe4 [ 79.589712][ T5591] el0t_64_sync+0x1a0/0x1a4 [ 79.611295][ T5587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.617351][ T5591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.619388][ T5591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.621386][ T5587] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.675420][ T5593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.676766][ T5593] CPU: 1 PID: 5593 Comm: syz.4.52 Not tainted syzkaller #0 [ 79.677838][ T5593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.679474][ T5593] Call trace: [ 79.679977][ T5593] dump_backtrace+0x0/0x458 [ 79.680706][ T5593] show_stack+0x2c/0x3c [ 79.681429][ T5593] __dump_stack+0x30/0x40 [ 79.682179][ T5593] dump_stack_lvl+0xf4/0x15c [ 79.682931][ T5593] dump_stack+0x1c/0x5c [ 79.683646][ T5593] sysfs_create_dir_ns+0x244/0x264 [ 79.684477][ T5593] kobject_add_internal+0x5ac/0xc3c [ 79.685373][ T5593] kobject_init_and_add+0x124/0x190 [ 79.686237][ T5593] gfs2_sys_fs_add+0x200/0x41c [ 79.687019][ T5593] gfs2_fill_super+0xddc/0x1a18 [ 79.687828][ T5593] get_tree_bdev+0x358/0x544 [ 79.688638][ T5593] gfs2_get_tree+0x54/0x1b4 [ 79.689393][ T5593] vfs_get_tree+0x90/0x274 [ 79.690135][ T5593] do_new_mount+0x228/0x810 [ 79.690853][ T5593] path_mount+0x5bc/0x1008 [ 79.691606][ T5593] __arm64_sys_mount+0x514/0x5f0 [ 79.692425][ T5593] invoke_syscall+0x98/0x2b0 [ 79.693218][ T5593] el0_svc_common+0x138/0x258 [ 79.693981][ T5593] do_el0_svc+0x58/0x13c [ 79.694668][ T5593] el0_svc+0x78/0x1d0 [ 79.695277][ T5593] el0t_64_sync_handler+0xcc/0xe4 [ 79.696132][ T5593] el0t_64_sync+0x1a0/0x1a4 [ 79.712809][ T5593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.714893][ T5593] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.725286][ T5589] set_capacity_and_notify: 42 callbacks suppressed [ 79.725294][ T5589] loop1: detected capacity change from 0 to 32768 [ 79.769122][ T5589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.770414][ T5589] CPU: 0 PID: 5589 Comm: syz.1.50 Not tainted syzkaller #0 [ 79.771671][ T5589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.773220][ T5589] Call trace: [ 79.773739][ T5589] dump_backtrace+0x0/0x458 [ 79.774464][ T5589] show_stack+0x2c/0x3c [ 79.775077][ T5589] __dump_stack+0x30/0x40 [ 79.775713][ T5589] dump_stack_lvl+0xf4/0x15c [ 79.776482][ T5589] dump_stack+0x1c/0x5c [ 79.777134][ T5589] sysfs_create_dir_ns+0x244/0x264 [ 79.778009][ T5589] kobject_add_internal+0x5ac/0xc3c [ 79.778784][ T5589] kobject_init_and_add+0x124/0x190 [ 79.779610][ T5589] gfs2_sys_fs_add+0x200/0x41c [ 79.780332][ T5589] gfs2_fill_super+0xddc/0x1a18 [ 79.781051][ T5589] get_tree_bdev+0x358/0x544 [ 79.781764][ T5589] gfs2_get_tree+0x54/0x1b4 [ 79.782481][ T5589] vfs_get_tree+0x90/0x274 [ 79.783234][ T5589] do_new_mount+0x228/0x810 [ 79.783960][ T5589] path_mount+0x5bc/0x1008 [ 79.784665][ T5589] __arm64_sys_mount+0x514/0x5f0 [ 79.785444][ T5589] invoke_syscall+0x98/0x2b0 [ 79.786178][ T5589] el0_svc_common+0x138/0x258 [ 79.786886][ T5589] do_el0_svc+0x58/0x13c [ 79.787624][ T5589] el0_svc+0x78/0x1d0 [ 79.788228][ T5589] el0t_64_sync_handler+0xcc/0xe4 [ 79.789021][ T5589] el0t_64_sync+0x1a0/0x1a4 [ 79.828316][ T5589] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.830385][ T5589] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.911732][ T5595] loop2: detected capacity change from 0 to 32768 [ 79.948159][ T5595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.949432][ T5595] CPU: 0 PID: 5595 Comm: syz.2.53 Not tainted syzkaller #0 [ 79.950577][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.952111][ T5595] Call trace: [ 79.952804][ T5595] dump_backtrace+0x0/0x458 [ 79.953532][ T5595] show_stack+0x2c/0x3c [ 79.954254][ T5595] __dump_stack+0x30/0x40 [ 79.954942][ T5595] dump_stack_lvl+0xf4/0x15c [ 79.955640][ T5595] dump_stack+0x1c/0x5c [ 79.956326][ T5595] sysfs_create_dir_ns+0x244/0x264 [ 79.957184][ T5595] kobject_add_internal+0x5ac/0xc3c [ 79.958030][ T5595] kobject_init_and_add+0x124/0x190 [ 79.958867][ T5595] gfs2_sys_fs_add+0x200/0x41c [ 79.959684][ T5595] gfs2_fill_super+0xddc/0x1a18 [ 79.960483][ T5595] get_tree_bdev+0x358/0x544 [ 79.961266][ T5595] gfs2_get_tree+0x54/0x1b4 [ 79.962091][ T5595] vfs_get_tree+0x90/0x274 [ 79.962854][ T5595] do_new_mount+0x228/0x810 [ 79.963591][ T5595] path_mount+0x5bc/0x1008 [ 79.964260][ T5595] __arm64_sys_mount+0x514/0x5f0 [ 79.965062][ T5595] invoke_syscall+0x98/0x2b0 [ 79.965790][ T5595] el0_svc_common+0x138/0x258 [ 79.966604][ T5595] do_el0_svc+0x58/0x13c [ 79.967373][ T5595] el0_svc+0x78/0x1d0 [ 79.968056][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 79.968924][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 79.983339][ T5593] loop4: detected capacity change from 0 to 32768 [ 79.997704][ T5591] loop3: detected capacity change from 0 to 32768 [ 80.001577][ T5591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.002734][ T5591] CPU: 1 PID: 5591 Comm: syz.3.51 Not tainted syzkaller #0 [ 80.003916][ T5591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.005489][ T5591] Call trace: [ 80.006019][ T5591] dump_backtrace+0x0/0x458 [ 80.006848][ T5591] show_stack+0x2c/0x3c [ 80.007481][ T5591] __dump_stack+0x30/0x40 [ 80.007960][ T5595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.008216][ T5591] dump_stack_lvl+0xf4/0x15c [ 80.011167][ T5591] dump_stack+0x1c/0x5c [ 80.011771][ T5591] sysfs_create_dir_ns+0x244/0x264 [ 80.012482][ T5595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.012559][ T5591] kobject_add_internal+0x5ac/0xc3c [ 80.014475][ T5591] kobject_init_and_add+0x124/0x190 [ 80.015321][ T5591] gfs2_sys_fs_add+0x200/0x41c [ 80.016066][ T5591] gfs2_fill_super+0xddc/0x1a18 [ 80.016817][ T5591] get_tree_bdev+0x358/0x544 [ 80.017573][ T5591] gfs2_get_tree+0x54/0x1b4 [ 80.018237][ T5591] vfs_get_tree+0x90/0x274 [ 80.018945][ T5591] do_new_mount+0x228/0x810 [ 80.019623][ T5591] path_mount+0x5bc/0x1008 [ 80.020361][ T5591] __arm64_sys_mount+0x514/0x5f0 [ 80.021250][ T5591] invoke_syscall+0x98/0x2b0 [ 80.022048][ T5591] el0_svc_common+0x138/0x258 [ 80.022818][ T5591] do_el0_svc+0x58/0x13c [ 80.023572][ T5591] el0_svc+0x78/0x1d0 [ 80.024248][ T5591] el0t_64_sync_handler+0xcc/0xe4 [ 80.025025][ T5591] el0t_64_sync+0x1a0/0x1a4 [ 80.028253][ T5593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.029453][ T5593] CPU: 1 PID: 5593 Comm: syz.4.52 Not tainted syzkaller #0 [ 80.030538][ T5593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.032070][ T5593] Call trace: [ 80.032580][ T5593] dump_backtrace+0x0/0x458 [ 80.033308][ T5593] show_stack+0x2c/0x3c [ 80.033973][ T5593] __dump_stack+0x30/0x40 [ 80.034658][ T5593] dump_stack_lvl+0xf4/0x15c [ 80.035382][ T5593] dump_stack+0x1c/0x5c [ 80.035964][ T5593] sysfs_create_dir_ns+0x244/0x264 [ 80.036730][ T5593] kobject_add_internal+0x5ac/0xc3c [ 80.037633][ T5593] kobject_init_and_add+0x124/0x190 [ 80.038462][ T5593] gfs2_sys_fs_add+0x200/0x41c [ 80.039300][ T5593] gfs2_fill_super+0xddc/0x1a18 [ 80.040088][ T5593] get_tree_bdev+0x358/0x544 [ 80.040919][ T5593] gfs2_get_tree+0x54/0x1b4 [ 80.041698][ T5593] vfs_get_tree+0x90/0x274 [ 80.042538][ T5593] do_new_mount+0x228/0x810 [ 80.043245][ T5593] path_mount+0x5bc/0x1008 [ 80.043882][ T5593] __arm64_sys_mount+0x514/0x5f0 [ 80.044631][ T5593] invoke_syscall+0x98/0x2b0 [ 80.045350][ T5593] el0_svc_common+0x138/0x258 [ 80.046079][ T5593] do_el0_svc+0x58/0x13c [ 80.046758][ T5593] el0_svc+0x78/0x1d0 [ 80.047352][ T5593] el0t_64_sync_handler+0xcc/0xe4 [ 80.048089][ T5593] el0t_64_sync+0x1a0/0x1a4 [ 80.064400][ T5593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.066542][ T5593] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.076036][ T5591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.081890][ T5591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.125957][ T5597] loop1: detected capacity change from 0 to 32768 [ 80.133646][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.135009][ T5597] CPU: 0 PID: 5597 Comm: syz.1.54 Not tainted syzkaller #0 [ 80.136124][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.137798][ T5597] Call trace: [ 80.138383][ T5597] dump_backtrace+0x0/0x458 [ 80.139159][ T5597] show_stack+0x2c/0x3c [ 80.139806][ T5597] __dump_stack+0x30/0x40 [ 80.140554][ T5597] dump_stack_lvl+0xf4/0x15c [ 80.141319][ T5597] dump_stack+0x1c/0x5c [ 80.142050][ T5597] sysfs_create_dir_ns+0x244/0x264 [ 80.142853][ T5597] kobject_add_internal+0x5ac/0xc3c [ 80.143685][ T5597] kobject_init_and_add+0x124/0x190 [ 80.144601][ T5597] gfs2_sys_fs_add+0x200/0x41c [ 80.145407][ T5597] gfs2_fill_super+0xddc/0x1a18 [ 80.146192][ T5597] get_tree_bdev+0x358/0x544 [ 80.146984][ T5597] gfs2_get_tree+0x54/0x1b4 [ 80.147741][ T5597] vfs_get_tree+0x90/0x274 [ 80.148534][ T5597] do_new_mount+0x228/0x810 [ 80.149240][ T5597] path_mount+0x5bc/0x1008 [ 80.149935][ T5597] __arm64_sys_mount+0x514/0x5f0 [ 80.150713][ T5597] invoke_syscall+0x98/0x2b0 [ 80.151478][ T5597] el0_svc_common+0x138/0x258 [ 80.152259][ T5597] do_el0_svc+0x58/0x13c [ 80.152960][ T5597] el0_svc+0x78/0x1d0 [ 80.153575][ T5597] el0t_64_sync_handler+0xcc/0xe4 [ 80.154348][ T5597] el0t_64_sync+0x1a0/0x1a4 [ 80.206184][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.208340][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.292697][ T5595] loop2: detected capacity change from 0 to 32768 [ 80.320740][ T5601] loop3: detected capacity change from 0 to 32768 [ 80.346337][ T5599] loop4: detected capacity change from 0 to 32768 [ 80.359608][ T5595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.360382][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.360783][ T5595] CPU: 0 PID: 5595 Comm: syz.2.53 Not tainted syzkaller #0 [ 80.363013][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.364525][ T5595] Call trace: [ 80.365064][ T5595] dump_backtrace+0x0/0x458 [ 80.365766][ T5595] show_stack+0x2c/0x3c [ 80.366459][ T5595] __dump_stack+0x30/0x40 [ 80.367225][ T5595] dump_stack_lvl+0xf4/0x15c [ 80.367935][ T5595] dump_stack+0x1c/0x5c [ 80.368623][ T5595] sysfs_create_dir_ns+0x244/0x264 [ 80.369504][ T5595] kobject_add_internal+0x5ac/0xc3c [ 80.370327][ T5595] kobject_init_and_add+0x124/0x190 [ 80.371164][ T5595] gfs2_sys_fs_add+0x200/0x41c [ 80.371857][ T5595] gfs2_fill_super+0xddc/0x1a18 [ 80.372589][ T5595] get_tree_bdev+0x358/0x544 [ 80.373327][ T5595] gfs2_get_tree+0x54/0x1b4 [ 80.374093][ T5595] vfs_get_tree+0x90/0x274 [ 80.374746][ T5595] do_new_mount+0x228/0x810 [ 80.375452][ T5595] path_mount+0x5bc/0x1008 [ 80.376152][ T5595] __arm64_sys_mount+0x514/0x5f0 [ 80.376919][ T5595] invoke_syscall+0x98/0x2b0 [ 80.377658][ T5595] el0_svc_common+0x138/0x258 [ 80.378436][ T5595] do_el0_svc+0x58/0x13c [ 80.379000][ T5595] el0_svc+0x78/0x1d0 [ 80.379622][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 80.380458][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 80.391832][ T5601] CPU: 1 PID: 5601 Comm: syz.3.56 Not tainted syzkaller #0 [ 80.393013][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.393651][ T5595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.394719][ T5601] Call trace: [ 80.396872][ T5595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.397420][ T5601] dump_backtrace+0x0/0x458 [ 80.397442][ T5601] show_stack+0x2c/0x3c [ 80.399874][ T5601] __dump_stack+0x30/0x40 [ 80.400576][ T5601] dump_stack_lvl+0xf4/0x15c [ 80.401286][ T5601] dump_stack+0x1c/0x5c [ 80.401920][ T5601] sysfs_create_dir_ns+0x244/0x264 [ 80.402701][ T5601] kobject_add_internal+0x5ac/0xc3c [ 80.403646][ T5601] kobject_init_and_add+0x124/0x190 [ 80.404603][ T5601] gfs2_sys_fs_add+0x200/0x41c [ 80.405390][ T5601] gfs2_fill_super+0xddc/0x1a18 [ 80.406227][ T5601] get_tree_bdev+0x358/0x544 [ 80.406942][ T5601] gfs2_get_tree+0x54/0x1b4 [ 80.407634][ T5601] vfs_get_tree+0x90/0x274 [ 80.408454][ T5601] do_new_mount+0x228/0x810 [ 80.409108][ T5601] path_mount+0x5bc/0x1008 [ 80.409845][ T5601] __arm64_sys_mount+0x514/0x5f0 [ 80.410647][ T5601] invoke_syscall+0x98/0x2b0 [ 80.411465][ T5601] el0_svc_common+0x138/0x258 [ 80.412295][ T5601] do_el0_svc+0x58/0x13c [ 80.413001][ T5601] el0_svc+0x78/0x1d0 [ 80.413745][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 80.414503][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 80.431835][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.433257][ T5599] CPU: 0 PID: 5599 Comm: syz.4.55 Not tainted syzkaller #0 [ 80.434431][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.436035][ T5599] Call trace: [ 80.436522][ T5599] dump_backtrace+0x0/0x458 [ 80.437291][ T5599] show_stack+0x2c/0x3c [ 80.438032][ T5599] __dump_stack+0x30/0x40 [ 80.438766][ T5599] dump_stack_lvl+0xf4/0x15c [ 80.439575][ T5599] dump_stack+0x1c/0x5c [ 80.440260][ T5599] sysfs_create_dir_ns+0x244/0x264 [ 80.441066][ T5599] kobject_add_internal+0x5ac/0xc3c [ 80.442507][ T5599] kobject_init_and_add+0x124/0x190 [ 80.443343][ T5599] gfs2_sys_fs_add+0x200/0x41c [ 80.444065][ T5597] loop1: detected capacity change from 0 to 32768 [ 80.444124][ T5599] gfs2_fill_super+0xddc/0x1a18 [ 80.445334][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.445896][ T5599] get_tree_bdev+0x358/0x544 [ 80.448061][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.448728][ T5599] gfs2_get_tree+0x54/0x1b4 [ 80.450470][ T5599] vfs_get_tree+0x90/0x274 [ 80.451130][ T5599] do_new_mount+0x228/0x810 [ 80.451846][ T5599] path_mount+0x5bc/0x1008 [ 80.452527][ T5599] __arm64_sys_mount+0x514/0x5f0 [ 80.453228][ T5599] invoke_syscall+0x98/0x2b0 [ 80.453914][ T5599] el0_svc_common+0x138/0x258 [ 80.454697][ T5599] do_el0_svc+0x58/0x13c [ 80.455425][ T5599] el0_svc+0x78/0x1d0 [ 80.456066][ T5599] el0t_64_sync_handler+0xcc/0xe4 [ 80.456858][ T5599] el0t_64_sync+0x1a0/0x1a4 [ 80.467616][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.469757][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.511210][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.512557][ T5597] CPU: 1 PID: 5597 Comm: syz.1.54 Not tainted syzkaller #0 [ 80.513584][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.515183][ T5597] Call trace: [ 80.515776][ T5597] dump_backtrace+0x0/0x458 [ 80.516498][ T5597] show_stack+0x2c/0x3c [ 80.517134][ T5597] __dump_stack+0x30/0x40 [ 80.517821][ T5597] dump_stack_lvl+0xf4/0x15c [ 80.518578][ T5597] dump_stack+0x1c/0x5c [ 80.519197][ T5597] sysfs_create_dir_ns+0x244/0x264 [ 80.520044][ T5597] kobject_add_internal+0x5ac/0xc3c [ 80.520893][ T5597] kobject_init_and_add+0x124/0x190 [ 80.521678][ T5597] gfs2_sys_fs_add+0x200/0x41c [ 80.522402][ T5597] gfs2_fill_super+0xddc/0x1a18 [ 80.523162][ T5597] get_tree_bdev+0x358/0x544 [ 80.523857][ T5597] gfs2_get_tree+0x54/0x1b4 [ 80.524602][ T5597] vfs_get_tree+0x90/0x274 [ 80.525337][ T5597] do_new_mount+0x228/0x810 [ 80.526175][ T5597] path_mount+0x5bc/0x1008 [ 80.526830][ T5597] __arm64_sys_mount+0x514/0x5f0 [ 80.527590][ T5597] invoke_syscall+0x98/0x2b0 [ 80.528315][ T5597] el0_svc_common+0x138/0x258 [ 80.529030][ T5597] do_el0_svc+0x58/0x13c [ 80.529650][ T5597] el0_svc+0x78/0x1d0 [ 80.530147][ T5597] el0t_64_sync_handler+0xcc/0xe4 [ 80.530778][ T5597] el0t_64_sync+0x1a0/0x1a4 [ 80.567741][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.569812][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.671575][ T5603] loop2: detected capacity change from 0 to 32768 [ 80.728993][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.729004][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.730240][ T5601] CPU: 1 PID: 5601 Comm: syz.3.56 Not tainted syzkaller #0 [ 80.731463][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.732619][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.732632][ T5601] Call trace: [ 80.732637][ T5601] dump_backtrace+0x0/0x458 [ 80.736767][ T5601] show_stack+0x2c/0x3c [ 80.737475][ T5601] __dump_stack+0x30/0x40 [ 80.738236][ T5601] dump_stack_lvl+0xf4/0x15c [ 80.738971][ T5601] dump_stack+0x1c/0x5c [ 80.739674][ T5601] sysfs_create_dir_ns+0x244/0x264 [ 80.740542][ T5601] kobject_add_internal+0x5ac/0xc3c [ 80.741446][ T5601] kobject_init_and_add+0x124/0x190 [ 80.742200][ T5601] gfs2_sys_fs_add+0x200/0x41c [ 80.742843][ T5601] gfs2_fill_super+0xddc/0x1a18 [ 80.743567][ T5601] get_tree_bdev+0x358/0x544 [ 80.744157][ T5601] gfs2_get_tree+0x54/0x1b4 [ 80.744720][ T5601] vfs_get_tree+0x90/0x274 [ 80.745269][ T5601] do_new_mount+0x228/0x810 [ 80.745830][ T5601] path_mount+0x5bc/0x1008 [ 80.746381][ T5601] __arm64_sys_mount+0x514/0x5f0 [ 80.746987][ T5601] invoke_syscall+0x98/0x2b0 [ 80.747555][ T5601] el0_svc_common+0x138/0x258 [ 80.748123][ T5601] do_el0_svc+0x58/0x13c [ 80.748821][ T5601] el0_svc+0x78/0x1d0 [ 80.749499][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 80.750349][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 80.751118][ T5603] CPU: 0 PID: 5603 Comm: syz.2.57 Not tainted syzkaller #0 [ 80.752257][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.753679][ T5603] Call trace: [ 80.754236][ T5603] dump_backtrace+0x0/0x458 [ 80.755034][ T5603] show_stack+0x2c/0x3c [ 80.755698][ T5603] __dump_stack+0x30/0x40 [ 80.756384][ T5603] dump_stack_lvl+0xf4/0x15c [ 80.757118][ T5603] dump_stack+0x1c/0x5c [ 80.757786][ T5603] sysfs_create_dir_ns+0x244/0x264 [ 80.758615][ T5603] kobject_add_internal+0x5ac/0xc3c [ 80.759437][ T5603] kobject_init_and_add+0x124/0x190 [ 80.760218][ T5603] gfs2_sys_fs_add+0x200/0x41c [ 80.760994][ T5603] gfs2_fill_super+0xddc/0x1a18 [ 80.761826][ T5603] get_tree_bdev+0x358/0x544 [ 80.762540][ T5603] gfs2_get_tree+0x54/0x1b4 [ 80.763188][ T5603] vfs_get_tree+0x90/0x274 [ 80.763880][ T5603] do_new_mount+0x228/0x810 [ 80.764654][ T5603] path_mount+0x5bc/0x1008 [ 80.765364][ T5603] __arm64_sys_mount+0x514/0x5f0 [ 80.766183][ T5603] invoke_syscall+0x98/0x2b0 [ 80.766939][ T5603] el0_svc_common+0x138/0x258 [ 80.767327][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.767736][ T5603] do_el0_svc+0x58/0x13c [ 80.769884][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.770480][ T5603] el0_svc+0x78/0x1d0 [ 80.772007][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 80.772754][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 80.781782][ T5599] CPU: 0 PID: 5599 Comm: syz.4.55 Not tainted syzkaller #0 [ 80.782998][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.784526][ T5599] Call trace: [ 80.785044][ T5599] dump_backtrace+0x0/0x458 [ 80.785852][ T5599] show_stack+0x2c/0x3c [ 80.786498][ T5599] __dump_stack+0x30/0x40 [ 80.787216][ T5599] dump_stack_lvl+0xf4/0x15c [ 80.787992][ T5599] dump_stack+0x1c/0x5c [ 80.788674][ T5599] sysfs_create_dir_ns+0x244/0x264 [ 80.789461][ T5599] kobject_add_internal+0x5ac/0xc3c [ 80.790208][ T5599] kobject_init_and_add+0x124/0x190 [ 80.791092][ T5599] gfs2_sys_fs_add+0x200/0x41c [ 80.791819][ T5599] gfs2_fill_super+0xddc/0x1a18 [ 80.792574][ T5599] get_tree_bdev+0x358/0x544 [ 80.793232][ T5599] gfs2_get_tree+0x54/0x1b4 [ 80.793870][ T5599] vfs_get_tree+0x90/0x274 [ 80.794482][ T5599] do_new_mount+0x228/0x810 [ 80.795109][ T5599] path_mount+0x5bc/0x1008 [ 80.795786][ T5599] __arm64_sys_mount+0x514/0x5f0 [ 80.796535][ T5599] invoke_syscall+0x98/0x2b0 [ 80.797252][ T5599] el0_svc_common+0x138/0x258 [ 80.798015][ T5599] do_el0_svc+0x58/0x13c [ 80.798611][ T5599] el0_svc+0x78/0x1d0 [ 80.799146][ T5599] el0t_64_sync_handler+0xcc/0xe4 [ 80.799916][ T5599] el0t_64_sync+0x1a0/0x1a4 [ 80.805559][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.807936][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.817827][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.819734][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.845148][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.846452][ T5605] CPU: 1 PID: 5605 Comm: syz.1.58 Not tainted syzkaller #0 [ 80.847583][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.848997][ T5605] Call trace: [ 80.849482][ T5605] dump_backtrace+0x0/0x458 [ 80.850067][ T5605] show_stack+0x2c/0x3c [ 80.850738][ T5605] __dump_stack+0x30/0x40 [ 80.851368][ T5605] dump_stack_lvl+0xf4/0x15c [ 80.851928][ T5605] dump_stack+0x1c/0x5c [ 80.852516][ T5605] sysfs_create_dir_ns+0x244/0x264 [ 80.853326][ T5605] kobject_add_internal+0x5ac/0xc3c [ 80.854153][ T5605] kobject_init_and_add+0x124/0x190 [ 80.855056][ T5605] gfs2_sys_fs_add+0x200/0x41c [ 80.855820][ T5605] gfs2_fill_super+0xddc/0x1a18 [ 80.856612][ T5605] get_tree_bdev+0x358/0x544 [ 80.857431][ T5605] gfs2_get_tree+0x54/0x1b4 [ 80.858132][ T5605] vfs_get_tree+0x90/0x274 [ 80.858775][ T5605] do_new_mount+0x228/0x810 [ 80.859581][ T5605] path_mount+0x5bc/0x1008 [ 80.860222][ T5605] __arm64_sys_mount+0x514/0x5f0 [ 80.860976][ T5605] invoke_syscall+0x98/0x2b0 [ 80.861752][ T5605] el0_svc_common+0x138/0x258 [ 80.862449][ T5605] do_el0_svc+0x58/0x13c [ 80.863114][ T5605] el0_svc+0x78/0x1d0 [ 80.863777][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 80.864617][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 80.909547][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.911670][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.133632][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.134763][ T5607] CPU: 1 PID: 5607 Comm: syz.4.59 Not tainted syzkaller #0 [ 81.135989][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.137605][ T5607] Call trace: [ 81.138122][ T5607] dump_backtrace+0x0/0x458 [ 81.138867][ T5607] show_stack+0x2c/0x3c [ 81.139519][ T5607] __dump_stack+0x30/0x40 [ 81.140148][ T5607] dump_stack_lvl+0xf4/0x15c [ 81.140874][ T5607] dump_stack+0x1c/0x5c [ 81.141537][ T5607] sysfs_create_dir_ns+0x244/0x264 [ 81.142285][ T5607] kobject_add_internal+0x5ac/0xc3c [ 81.143144][ T5607] kobject_init_and_add+0x124/0x190 [ 81.144027][ T5607] gfs2_sys_fs_add+0x200/0x41c [ 81.144944][ T5607] gfs2_fill_super+0xddc/0x1a18 [ 81.145905][ T5607] get_tree_bdev+0x358/0x544 [ 81.146682][ T5607] gfs2_get_tree+0x54/0x1b4 [ 81.147465][ T5607] vfs_get_tree+0x90/0x274 [ 81.148098][ T5607] do_new_mount+0x228/0x810 [ 81.148770][ T5607] path_mount+0x5bc/0x1008 [ 81.149469][ T5607] __arm64_sys_mount+0x514/0x5f0 [ 81.150255][ T5607] invoke_syscall+0x98/0x2b0 [ 81.150967][ T5607] el0_svc_common+0x138/0x258 [ 81.151715][ T5607] do_el0_svc+0x58/0x13c [ 81.152336][ T5607] el0_svc+0x78/0x1d0 [ 81.152458][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.152947][ T5607] el0t_64_sync_handler+0xcc/0xe4 [ 81.154890][ T5607] el0t_64_sync+0x1a0/0x1a4 [ 81.155668][ T5603] CPU: 0 PID: 5603 Comm: syz.2.57 Not tainted syzkaller #0 [ 81.156694][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.158277][ T5603] Call trace: [ 81.158806][ T5603] dump_backtrace+0x0/0x458 [ 81.159336][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.159526][ T5603] show_stack+0x2c/0x3c [ 81.161361][ T5603] __dump_stack+0x30/0x40 [ 81.162075][ T5603] dump_stack_lvl+0xf4/0x15c [ 81.162851][ T5603] dump_stack+0x1c/0x5c [ 81.163521][ T5603] sysfs_create_dir_ns+0x244/0x264 [ 81.164337][ T5603] kobject_add_internal+0x5ac/0xc3c [ 81.165110][ T5603] kobject_init_and_add+0x124/0x190 [ 81.165905][ T5603] gfs2_sys_fs_add+0x200/0x41c [ 81.166660][ T5603] gfs2_fill_super+0xddc/0x1a18 [ 81.167404][ T5603] get_tree_bdev+0x358/0x544 [ 81.168104][ T5603] gfs2_get_tree+0x54/0x1b4 [ 81.168784][ T5603] vfs_get_tree+0x90/0x274 [ 81.169508][ T5603] do_new_mount+0x228/0x810 [ 81.170215][ T5603] path_mount+0x5bc/0x1008 [ 81.170864][ T5603] __arm64_sys_mount+0x514/0x5f0 [ 81.171581][ T5603] invoke_syscall+0x98/0x2b0 [ 81.172269][ T5603] el0_svc_common+0x138/0x258 [ 81.173093][ T5603] do_el0_svc+0x58/0x13c [ 81.173788][ T5603] el0_svc+0x78/0x1d0 [ 81.174450][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 81.175211][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 81.175961][ T5605] CPU: 1 PID: 5605 Comm: syz.1.58 Not tainted syzkaller #0 [ 81.177134][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.178795][ T5605] Call trace: [ 81.179278][ T5605] dump_backtrace+0x0/0x458 [ 81.180036][ T5605] show_stack+0x2c/0x3c [ 81.180735][ T5605] __dump_stack+0x30/0x40 [ 81.181416][ T5605] dump_stack_lvl+0xf4/0x15c [ 81.182137][ T5605] dump_stack+0x1c/0x5c [ 81.182820][ T5605] sysfs_create_dir_ns+0x244/0x264 [ 81.183693][ T5605] kobject_add_internal+0x5ac/0xc3c [ 81.184514][ T5605] kobject_init_and_add+0x124/0x190 [ 81.185395][ T5605] gfs2_sys_fs_add+0x200/0x41c [ 81.186231][ T5605] gfs2_fill_super+0xddc/0x1a18 [ 81.187121][ T5605] get_tree_bdev+0x358/0x544 [ 81.187857][ T5605] gfs2_get_tree+0x54/0x1b4 [ 81.187902][ T5609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.188616][ T5605] vfs_get_tree+0x90/0x274 [ 81.190447][ T5605] do_new_mount+0x228/0x810 [ 81.191208][ T5605] path_mount+0x5bc/0x1008 [ 81.191947][ T5605] __arm64_sys_mount+0x514/0x5f0 [ 81.192661][ T5605] invoke_syscall+0x98/0x2b0 [ 81.193422][ T5605] el0_svc_common+0x138/0x258 [ 81.194187][ T5605] do_el0_svc+0x58/0x13c [ 81.194876][ T5605] el0_svc+0x78/0x1d0 [ 81.195517][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 81.196313][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 81.201731][ T5609] CPU: 0 PID: 5609 Comm: syz.3.60 Not tainted syzkaller #0 [ 81.202770][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.204359][ T5609] Call trace: [ 81.204863][ T5609] dump_backtrace+0x0/0x458 [ 81.205587][ T5609] show_stack+0x2c/0x3c [ 81.206184][ T5609] __dump_stack+0x30/0x40 [ 81.206915][ T5609] dump_stack_lvl+0xf4/0x15c [ 81.207386][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.207712][ T5609] dump_stack+0x1c/0x5c [ 81.210001][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.210446][ T5609] sysfs_create_dir_ns+0x244/0x264 [ 81.212141][ T5609] kobject_add_internal+0x5ac/0xc3c [ 81.212950][ T5609] kobject_init_and_add+0x124/0x190 [ 81.213933][ T5609] gfs2_sys_fs_add+0x200/0x41c [ 81.214753][ T5609] gfs2_fill_super+0xddc/0x1a18 [ 81.215495][ T5609] get_tree_bdev+0x358/0x544 [ 81.216281][ T5609] gfs2_get_tree+0x54/0x1b4 [ 81.217005][ T5609] vfs_get_tree+0x90/0x274 [ 81.217698][ T5609] do_new_mount+0x228/0x810 [ 81.218487][ T5609] path_mount+0x5bc/0x1008 [ 81.219176][ T5609] __arm64_sys_mount+0x514/0x5f0 [ 81.219978][ T5609] invoke_syscall+0x98/0x2b0 [ 81.220743][ T5609] el0_svc_common+0x138/0x258 [ 81.221462][ T5609] do_el0_svc+0x58/0x13c [ 81.222121][ T5609] el0_svc+0x78/0x1d0 [ 81.222662][ T5609] el0t_64_sync_handler+0xcc/0xe4 [ 81.223491][ T5609] el0t_64_sync+0x1a0/0x1a4 [ 81.225549][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.227439][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.229655][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.231438][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.233207][ T5609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.235317][ T5609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.428482][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.429737][ T5607] CPU: 1 PID: 5607 Comm: syz.4.59 Not tainted syzkaller #0 [ 81.430849][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.432566][ T5607] Call trace: [ 81.433071][ T5607] dump_backtrace+0x0/0x458 [ 81.433820][ T5607] show_stack+0x2c/0x3c [ 81.434550][ T5607] __dump_stack+0x30/0x40 [ 81.435280][ T5607] dump_stack_lvl+0xf4/0x15c [ 81.436033][ T5607] dump_stack+0x1c/0x5c [ 81.436726][ T5607] sysfs_create_dir_ns+0x244/0x264 [ 81.437528][ T5607] kobject_add_internal+0x5ac/0xc3c [ 81.438429][ T5607] kobject_init_and_add+0x124/0x190 [ 81.439209][ T5607] gfs2_sys_fs_add+0x200/0x41c [ 81.439928][ T5607] gfs2_fill_super+0xddc/0x1a18 [ 81.440712][ T5607] get_tree_bdev+0x358/0x544 [ 81.441357][ T5607] gfs2_get_tree+0x54/0x1b4 [ 81.442071][ T5607] vfs_get_tree+0x90/0x274 [ 81.442786][ T5607] do_new_mount+0x228/0x810 [ 81.443457][ T5607] path_mount+0x5bc/0x1008