Warning: Permanently added '10.128.1.233' (ED25519) to the list of known hosts. 1970/01/01 00:00:56 parsed 1 programs [ 58.086209][ T4719] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 61.391376][ T4738] chnl_net:caif_netlink_parms(): no params data found [ 61.598773][ T4738] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.599901][ T4738] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.601454][ T4738] device bridge_slave_0 entered promiscuous mode [ 61.619282][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.620611][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.622167][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.630894][ T4738] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.632125][ T4738] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.635191][ T4738] device bridge_slave_1 entered promiscuous mode [ 61.675735][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.677116][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.680263][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.688800][ T4738] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.699931][ T4738] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.719889][ T4738] team0: Port device team_slave_0 added [ 61.721884][ T4738] team0: Port device team_slave_1 added [ 61.740369][ T4738] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.741510][ 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. [ 61.746077][ T4738] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.748333][ T4738] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.749403][ 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. [ 61.754525][ T4738] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.824315][ T4738] device hsr_slave_0 entered promiscuous mode [ 61.863844][ T4738] device hsr_slave_1 entered promiscuous mode [ 62.568461][ T4738] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.605125][ T4738] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.634312][ T4738] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.656978][ T4738] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.697826][ T4738] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.701751][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.703263][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.706706][ T4738] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.712779][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.714351][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.715741][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.716750][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.718124][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.719505][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.720885][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.721939][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.723925][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.725484][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.727293][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.734255][ T4738] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.736118][ T4738] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.739265][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.740965][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.742359][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.747473][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.749086][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.750526][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.752077][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.754131][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.755599][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.756928][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.796621][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.797817][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.800724][ T4738] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.863485][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.865146][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.868624][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.870046][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.871612][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.872987][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.877407][ T4738] device veth0_vlan entered promiscuous mode [ 62.880615][ T4738] device veth1_vlan entered promiscuous mode [ 62.891253][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.892764][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.895293][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.896882][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.899518][ T4738] device veth0_macvtap entered promiscuous mode [ 62.901788][ T4738] device veth1_macvtap entered promiscuous mode [ 62.908934][ T4738] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.910959][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.912363][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.914641][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.916190][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.918902][ T4738] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.920931][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.922491][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.925859][ T4738] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.927160][ T4738] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.928553][ T4738] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.929915][ T4738] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:02 executed programs: 0 [ 63.286813][ T4932] chnl_net:caif_netlink_parms(): no params data found [ 63.312704][ T4934] chnl_net:caif_netlink_parms(): no params data found [ 63.351769][ T4923] chnl_net:caif_netlink_parms(): no params data found [ 63.378681][ T4925] chnl_net:caif_netlink_parms(): no params data found [ 63.390842][ T4932] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.391910][ T4932] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.396510][ T4932] device bridge_slave_0 entered promiscuous mode [ 63.419850][ T4934] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.420969][ T4934] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.424861][ T4934] device bridge_slave_0 entered promiscuous mode [ 63.432166][ T4932] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.434700][ T4932] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.436273][ T4932] device bridge_slave_1 entered promiscuous mode [ 63.441507][ T4934] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.442695][ T4934] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.446349][ T4934] device bridge_slave_1 entered promiscuous mode [ 63.476117][ T4932] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.484258][ T4925] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.485477][ T4925] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.487000][ T4925] device bridge_slave_0 entered promiscuous mode [ 63.498177][ T4934] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.500729][ T4934] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.508574][ T4932] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.513021][ T4925] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.514568][ T4925] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.516079][ T4925] device bridge_slave_1 entered promiscuous mode [ 63.517609][ T4923] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.518724][ T4923] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.520250][ T4923] device bridge_slave_0 entered promiscuous mode [ 63.523486][ T4940] chnl_net:caif_netlink_parms(): no params data found [ 63.548327][ T4923] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.549497][ T4923] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.551042][ T4923] device bridge_slave_1 entered promiscuous mode [ 63.557405][ T4934] team0: Port device team_slave_0 added [ 63.569560][ T4932] team0: Port device team_slave_0 added [ 63.571887][ T4932] team0: Port device team_slave_1 added [ 63.574824][ T4925] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.580145][ T4934] team0: Port device team_slave_1 added [ 63.592577][ T4925] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.608300][ T4932] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.609272][ T4932] 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. [ 63.617789][ T4932] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.621020][ T4923] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.622508][ T4940] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.627423][ T4940] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.629207][ T4940] device bridge_slave_0 entered promiscuous mode [ 63.639572][ T4925] team0: Port device team_slave_0 added [ 63.641568][ T4923] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.650795][ T4934] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.651900][ T4934] 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. [ 63.656833][ T4934] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.658655][ T4940] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.659704][ T4940] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.661178][ T4940] device bridge_slave_1 entered promiscuous mode [ 63.668314][ T4925] team0: Port device team_slave_1 added [ 63.673445][ T4932] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.674470][ T4932] 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. [ 63.678182][ T4932] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.689251][ T4923] team0: Port device team_slave_0 added [ 63.691230][ T4923] team0: Port device team_slave_1 added [ 63.695632][ T4934] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.696603][ T4934] 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. [ 63.700187][ T4934] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.720208][ T4923] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.721352][ T4923] 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. [ 63.730180][ T4923] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.732385][ T4925] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.733594][ T4925] 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. [ 63.737602][ T4925] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.748294][ T4940] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.751031][ T4940] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.794527][ T4932] device hsr_slave_0 entered promiscuous mode [ 63.843668][ T4932] device hsr_slave_1 entered promiscuous mode [ 63.863268][ T4932] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.864529][ T4932] Cannot create hsr debugfs directory [ 63.871843][ T4923] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.872849][ T4923] 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. [ 63.877457][ T4923] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.889376][ T4925] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.890545][ T4925] 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. [ 63.895191][ T4925] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.924849][ T4940] team0: Port device team_slave_0 added [ 63.926839][ T4940] team0: Port device team_slave_1 added [ 63.964752][ T4934] device hsr_slave_0 entered promiscuous mode [ 64.003840][ T4934] device hsr_slave_1 entered promiscuous mode [ 64.043194][ T4934] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.044363][ T4934] Cannot create hsr debugfs directory [ 64.104296][ T4923] device hsr_slave_0 entered promiscuous mode [ 64.163361][ T4923] device hsr_slave_1 entered promiscuous mode [ 64.203136][ T4923] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.204379][ T4923] Cannot create hsr debugfs directory [ 64.222574][ T4940] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.227672][ T4940] 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. [ 64.231497][ T4940] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.314702][ T4925] device hsr_slave_0 entered promiscuous mode [ 64.353485][ T4925] device hsr_slave_1 entered promiscuous mode [ 64.396754][ T4925] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.398029][ T4925] Cannot create hsr debugfs directory [ 64.399316][ T4940] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.400421][ T4940] 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. [ 64.404793][ T4940] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.524926][ T4940] device hsr_slave_0 entered promiscuous mode [ 64.553543][ T4940] device hsr_slave_1 entered promiscuous mode [ 64.593541][ T4940] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.594765][ T4940] Cannot create hsr debugfs directory [ 64.688492][ T4934] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.714400][ T4934] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.768982][ T4934] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.818524][ T4932] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.844979][ T4934] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.891404][ T4932] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.904767][ T4932] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.957096][ T4932] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.087053][ T4934] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.098563][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.100028][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.108650][ T4934] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.119081][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.120744][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.122203][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.123337][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.130312][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.133682][ T4164] Bluetooth: hci3: command 0x0409 tx timeout [ 65.134751][ T4164] Bluetooth: hci0: command 0x0409 tx timeout [ 65.135743][ T4164] Bluetooth: hci2: command 0x0409 tx timeout [ 65.136649][ T4164] Bluetooth: hci1: command 0x0409 tx timeout [ 65.138398][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.140115][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.141401][ T1003] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.142410][ T1003] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.168544][ T4932] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.173490][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.178122][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.182964][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.189578][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.191011][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.193018][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.195266][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.198933][ T4932] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.201232][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.202859][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.213507][ T4159] Bluetooth: hci4: command 0x0409 tx timeout [ 65.215607][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.217181][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.219443][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.220821][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.221818][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.227520][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.231581][ T4934] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.235913][ T4934] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.240251][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.241781][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.248149][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.249670][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.250798][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.252185][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.284068][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.285688][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.287640][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.289232][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.290784][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.292337][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.298257][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.318834][ T4932] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.320405][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.373466][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.374718][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.377208][ T4934] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.397734][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.410206][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.411546][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.416057][ T4934] device veth0_vlan entered promiscuous mode [ 65.418911][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.420517][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.422037][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.427545][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.431922][ T4934] device veth1_vlan entered promiscuous mode [ 65.436063][ T4932] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.458689][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.460240][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.461695][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.467610][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.469231][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.470731][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.475868][ T4934] device veth0_macvtap entered promiscuous mode [ 65.478702][ T4934] device veth1_macvtap entered promiscuous mode [ 65.492096][ T4932] device veth0_vlan entered promiscuous mode [ 65.495277][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.496818][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.498220][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.499682][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.501295][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.502609][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.510945][ T4940] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.519142][ T4932] device veth1_vlan entered promiscuous mode [ 65.522418][ T4934] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 65.525123][ T4934] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.527197][ T4934] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.529141][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.530716][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.532129][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.533988][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.547054][ T4934] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 65.548684][ T4934] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.551429][ T4934] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.552642][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.554796][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.556241][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.557753][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.564575][ T4932] device veth0_macvtap entered promiscuous mode [ 65.567173][ T4932] device veth1_macvtap entered promiscuous mode [ 65.571095][ T4934] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.572400][ T4934] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.577693][ T4934] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.578967][ T4934] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.586981][ T4932] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 65.588646][ T4932] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.590265][ T4932] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 65.591973][ T4932] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.599088][ T4932] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.600941][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.602521][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.604501][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.605961][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.640068][ T4932] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 65.641744][ T4932] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.643933][ T4932] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 65.645581][ T4932] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.647808][ T4932] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.649125][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.650638][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.666229][ T4932] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.667619][ T4932] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.668968][ T4932] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.670351][ T4932] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.672676][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.673961][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.676133][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.689194][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.690353][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.692619][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.738702][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.739858][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.740074][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.741367][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.743314][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.754417][ T1003] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.005743][ T5206] loop3: detected capacity change from 0 to 32768 [ 66.013007][ T5209] loop2: detected capacity change from 0 to 32768 [ 66.036488][ T5206] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 66.037797][ T5206] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 66.057948][ T5206] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 66.077256][ T5209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.078502][ T5209] CPU: 0 PID: 5209 Comm: syz.2.17 Not tainted syzkaller #0 [ 66.079692][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.081350][ T5209] Call trace: [ 66.081902][ T5209] dump_backtrace+0x0/0x43c [ 66.082645][ T5209] show_stack+0x2c/0x3c [ 66.083304][ T5209] __dump_stack+0x30/0x40 [ 66.084024][ T5209] dump_stack_lvl+0xf8/0x160 [ 66.084768][ T5209] dump_stack+0x1c/0x5c [ 66.085483][ T5209] sysfs_create_dir_ns+0x22c/0x24c [ 66.086342][ T5209] kobject_add_internal+0x590/0xc54 [ 66.087187][ T5209] kobject_init_and_add+0x118/0x17c [ 66.088012][ T5209] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.088778][ T5209] gfs2_fill_super+0xdac/0x19e0 [ 66.089508][ T5209] get_tree_bdev+0x358/0x544 [ 66.090206][ T5209] gfs2_get_tree+0x54/0x1b4 [ 66.090924][ T5209] vfs_get_tree+0x90/0x274 [ 66.091553][ T5209] do_new_mount+0x228/0x810 [ 66.092236][ T5209] path_mount+0x5b4/0x1000 [ 66.092921][ T5209] __arm64_sys_mount+0x514/0x5e4 [ 66.093665][ T5209] invoke_syscall+0x98/0x2b8 [ 66.094374][ T5209] el0_svc_common+0x138/0x258 [ 66.095190][ T5209] do_el0_svc+0x58/0x14c [ 66.095898][ T5209] el0_svc+0x78/0x1e0 [ 66.096561][ T5209] el0t_64_sync_handler+0xcc/0xe4 [ 66.097354][ T5209] el0t_64_sync+0x1a0/0x1a4 [ 66.103086][ T5209] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.105310][ T5209] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.111582][ T5206] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 66.341027][ T5209] loop2: detected capacity change from 0 to 32768 [ 66.365642][ T5209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.366829][ T5209] CPU: 0 PID: 5209 Comm: syz.2.17 Not tainted syzkaller #0 [ 66.367992][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.369587][ T5209] Call trace: [ 66.370109][ T5209] dump_backtrace+0x0/0x43c [ 66.370803][ T5209] show_stack+0x2c/0x3c [ 66.371515][ T5209] __dump_stack+0x30/0x40 [ 66.372239][ T5209] dump_stack_lvl+0xf8/0x160 [ 66.372971][ T5209] dump_stack+0x1c/0x5c [ 66.373615][ T5209] sysfs_create_dir_ns+0x22c/0x24c [ 66.374404][ T5209] kobject_add_internal+0x590/0xc54 [ 66.375220][ T5209] kobject_init_and_add+0x118/0x17c [ 66.376065][ T5209] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.376821][ T5209] gfs2_fill_super+0xdac/0x19e0 [ 66.377569][ T5209] get_tree_bdev+0x358/0x544 [ 66.378250][ T5209] gfs2_get_tree+0x54/0x1b4 [ 66.378903][ T5209] vfs_get_tree+0x90/0x274 [ 66.379644][ T5209] do_new_mount+0x228/0x810 [ 66.380360][ T5209] path_mount+0x5b4/0x1000 [ 66.381106][ T5209] __arm64_sys_mount+0x514/0x5e4 [ 66.381870][ T5209] invoke_syscall+0x98/0x2b8 [ 66.382579][ T5209] el0_svc_common+0x138/0x258 [ 66.383336][ T5209] do_el0_svc+0x58/0x14c [ 66.384009][ T5209] el0_svc+0x78/0x1e0 [ 66.384589][ T5209] el0t_64_sync_handler+0xcc/0xe4 [ 66.385353][ T5209] el0t_64_sync+0x1a0/0x1a4 [ 66.436662][ T5209] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.438710][ T5209] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.718568][ T5255] loop3: detected capacity change from 0 to 32768 [ 66.759651][ T5259] loop2: detected capacity change from 0 to 32768 [ 66.764895][ T5255] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 66.766178][ T5255] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 66.776660][ T5255] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 66.800349][ T5255] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 66.806521][ T5259] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.807535][ T5259] CPU: 1 PID: 5259 Comm: syz.2.21 Not tainted syzkaller #0 [ 66.808517][ T5259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 66.810094][ T5259] Call trace: [ 66.810575][ T5259] dump_backtrace+0x0/0x43c [ 66.811269][ T5259] show_stack+0x2c/0x3c [ 66.811895][ T5259] __dump_stack+0x30/0x40 [ 66.812485][ T5259] dump_stack_lvl+0xf8/0x160 [ 66.813103][ T5259] dump_stack+0x1c/0x5c [ 66.813735][ T5259] sysfs_create_dir_ns+0x22c/0x24c [ 66.814490][ T5259] kobject_add_internal+0x590/0xc54 [ 66.815248][ T5259] kobject_init_and_add+0x118/0x17c [ 66.815987][ T5259] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.816702][ T5259] gfs2_fill_super+0xdac/0x19e0 [ 66.817434][ T5259] get_tree_bdev+0x358/0x544 [ 66.818102][ T5259] gfs2_get_tree+0x54/0x1b4 [ 66.818757][ T5259] vfs_get_tree+0x90/0x274 [ 66.819415][ T5259] do_new_mount+0x228/0x810 [ 66.820135][ T5259] path_mount+0x5b4/0x1000 [ 66.820792][ T5259] __arm64_sys_mount+0x514/0x5e4 [ 66.821518][ T5259] invoke_syscall+0x98/0x2b8 [ 66.822169][ T5259] el0_svc_common+0x138/0x258 [ 66.822864][ T5259] do_el0_svc+0x58/0x14c [ 66.823540][ T5259] el0_svc+0x78/0x1e0 [ 66.824126][ T5259] el0t_64_sync_handler+0xcc/0xe4 [ 66.824846][ T5259] el0t_64_sync+0x1a0/0x1a4 [ 66.846532][ T5259] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.848407][ T5259] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.068263][ T5259] loop2: detected capacity change from 0 to 32768 [ 67.168089][ T5259] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.169246][ T5259] CPU: 1 PID: 5259 Comm: syz.2.21 Not tainted syzkaller #0 [ 67.170310][ T5259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.171852][ T5259] Call trace: [ 67.172320][ T5259] dump_backtrace+0x0/0x43c [ 67.172962][ T5259] show_stack+0x2c/0x3c [ 67.173622][ T5259] __dump_stack+0x30/0x40 [ 67.174323][ T5259] dump_stack_lvl+0xf8/0x160 [ 67.175064][ T5259] dump_stack+0x1c/0x5c [ 67.175689][ T5259] sysfs_create_dir_ns+0x22c/0x24c [ 67.176451][ T5259] kobject_add_internal+0x590/0xc54 [ 67.177264][ T5259] kobject_init_and_add+0x118/0x17c [ 67.178106][ T5259] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.178872][ T5259] gfs2_fill_super+0xdac/0x19e0 [ 67.179681][ T5259] get_tree_bdev+0x358/0x544 [ 67.180390][ T5259] gfs2_get_tree+0x54/0x1b4 [ 67.181103][ T5259] vfs_get_tree+0x90/0x274 [ 67.181809][ T5259] do_new_mount+0x228/0x810 [ 67.182510][ T5259] path_mount+0x5b4/0x1000 [ 67.183101][ T5259] __arm64_sys_mount+0x514/0x5e4 [ 67.183915][ T5259] invoke_syscall+0x98/0x2b8 [ 67.184592][ T5259] el0_svc_common+0x138/0x258 [ 67.185298][ T5259] do_el0_svc+0x58/0x14c [ 67.185951][ T5259] el0_svc+0x78/0x1e0 [ 67.186548][ T5259] el0t_64_sync_handler+0xcc/0xe4 [ 67.187285][ T5259] el0t_64_sync+0x1a0/0x1a4 [ 67.213424][ T3335] Bluetooth: hci1: command 0x041b tx timeout [ 67.214975][ T3335] Bluetooth: hci2: command 0x041b tx timeout [ 67.215915][ T3335] Bluetooth: hci0: command 0x041b tx timeout [ 67.216834][ T3335] Bluetooth: hci3: command 0x041b tx timeout [ 67.223346][ T5259] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.225456][ T5259] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.293603][ T3335] Bluetooth: hci4: command 0x041b tx timeout [ 67.605544][ T5284] loop2: detected capacity change from 0 to 32768 [ 67.620580][ T5284] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 67.621874][ T5284] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 67.655287][ T5284] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 67.698214][ T5284] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 67.708334][ T5288] loop3: detected capacity change from 0 to 32768 [ 67.749136][ T5288] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.750265][ T5288] CPU: 1 PID: 5288 Comm: syz.3.22 Not tainted syzkaller #0 [ 67.751440][ T5288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 67.753017][ T5288] Call trace: [ 67.753546][ T5288] dump_backtrace+0x0/0x43c [ 67.754268][ T5288] show_stack+0x2c/0x3c [ 67.754917][ T5288] __dump_stack+0x30/0x40 [ 67.755594][ T5288] dump_stack_lvl+0xf8/0x160 [ 67.756306][ T5288] dump_stack+0x1c/0x5c [ 67.756969][ T5288] sysfs_create_dir_ns+0x22c/0x24c [ 67.757770][ T5288] kobject_add_internal+0x590/0xc54 [ 67.758574][ T5288] kobject_init_and_add+0x118/0x17c [ 67.759375][ T5288] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.760108][ T5288] gfs2_fill_super+0xdac/0x19e0 [ 67.760830][ T5288] get_tree_bdev+0x358/0x544 [ 67.761510][ T5288] gfs2_get_tree+0x54/0x1b4 [ 67.762208][ T5288] vfs_get_tree+0x90/0x274 [ 67.762814][ T5288] do_new_mount+0x228/0x810 [ 67.763480][ T5288] path_mount+0x5b4/0x1000 [ 67.764140][ T5288] __arm64_sys_mount+0x514/0x5e4 [ 67.764873][ T5288] invoke_syscall+0x98/0x2b8 [ 67.765537][ T5288] el0_svc_common+0x138/0x258 [ 67.766264][ T5288] do_el0_svc+0x58/0x14c [ 67.766865][ T5288] el0_svc+0x78/0x1e0 [ 67.767486][ T5288] el0t_64_sync_handler+0xcc/0xe4 [ 67.768286][ T5288] el0t_64_sync+0x1a0/0x1a4 [ 67.814186][ T5288] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.816301][ T5288] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.081453][ T5288] loop3: detected capacity change from 0 to 32768 [ 68.111317][ T5288] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.112526][ T5288] CPU: 1 PID: 5288 Comm: syz.3.22 Not tainted syzkaller #0 [ 68.113639][ T5288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.115134][ T5288] Call trace: [ 68.115606][ T5288] dump_backtrace+0x0/0x43c [ 68.116292][ T5288] show_stack+0x2c/0x3c [ 68.116924][ T5288] __dump_stack+0x30/0x40 [ 68.117600][ T5288] dump_stack_lvl+0xf8/0x160 [ 68.118322][ T5288] dump_stack+0x1c/0x5c [ 68.118983][ T5288] sysfs_create_dir_ns+0x22c/0x24c [ 68.119790][ T5288] kobject_add_internal+0x590/0xc54 [ 68.120541][ T5288] kobject_init_and_add+0x118/0x17c [ 68.121361][ T5288] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.122084][ T5288] gfs2_fill_super+0xdac/0x19e0 [ 68.122789][ T5288] get_tree_bdev+0x358/0x544 [ 68.123466][ T5288] gfs2_get_tree+0x54/0x1b4 [ 68.124083][ T5288] vfs_get_tree+0x90/0x274 [ 68.124737][ T5288] do_new_mount+0x228/0x810 [ 68.125458][ T5288] path_mount+0x5b4/0x1000 [ 68.126127][ T5288] __arm64_sys_mount+0x514/0x5e4 [ 68.126921][ T5288] invoke_syscall+0x98/0x2b8 [ 68.127706][ T5288] el0_svc_common+0x138/0x258 [ 68.128459][ T5288] do_el0_svc+0x58/0x14c [ 68.129176][ T5288] el0_svc+0x78/0x1e0 [ 68.129818][ T5288] el0t_64_sync_handler+0xcc/0xe4 [ 68.130572][ T5288] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:08 executed programs: 16 [ 68.137271][ T5288] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.139274][ T5288] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.420656][ T5329] loop3: detected capacity change from 0 to 32768 [ 68.439353][ T5329] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 68.440677][ T5329] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 68.475362][ T5329] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 68.480644][ T5337] loop2: detected capacity change from 0 to 32768 [ 68.497634][ T5337] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.498730][ T5337] CPU: 1 PID: 5337 Comm: syz.2.24 Not tainted syzkaller #0 [ 68.499767][ T5337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.501191][ T5337] Call trace: [ 68.501648][ T5337] dump_backtrace+0x0/0x43c [ 68.502367][ T5337] show_stack+0x2c/0x3c [ 68.503052][ T5337] __dump_stack+0x30/0x40 [ 68.503780][ T5337] dump_stack_lvl+0xf8/0x160 [ 68.504503][ T5337] dump_stack+0x1c/0x5c [ 68.505173][ T5337] sysfs_create_dir_ns+0x22c/0x24c [ 68.505969][ T5337] kobject_add_internal+0x590/0xc54 [ 68.506725][ T5337] kobject_init_and_add+0x118/0x17c [ 68.507570][ T5337] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.508334][ T5337] gfs2_fill_super+0xdac/0x19e0 [ 68.508431][ T5329] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 68.509061][ T5337] get_tree_bdev+0x358/0x544 [ 68.510934][ T5337] gfs2_get_tree+0x54/0x1b4 [ 68.511670][ T5337] vfs_get_tree+0x90/0x274 [ 68.512371][ T5337] do_new_mount+0x228/0x810 [ 68.513073][ T5337] path_mount+0x5b4/0x1000 [ 68.513741][ T5337] __arm64_sys_mount+0x514/0x5e4 [ 68.514548][ T5337] invoke_syscall+0x98/0x2b8 [ 68.515289][ T5337] el0_svc_common+0x138/0x258 [ 68.515974][ T5337] do_el0_svc+0x58/0x14c [ 68.516638][ T5337] el0_svc+0x78/0x1e0 [ 68.517253][ T5337] el0t_64_sync_handler+0xcc/0xe4 [ 68.518107][ T5337] el0t_64_sync+0x1a0/0x1a4 [ 68.536615][ T5337] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.555966][ T5337] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.807039][ T5337] loop2: detected capacity change from 0 to 32768 [ 68.817738][ T5337] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.818951][ T5337] CPU: 1 PID: 5337 Comm: syz.2.24 Not tainted syzkaller #0 [ 68.820086][ T5337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 68.821640][ T5337] Call trace: [ 68.822119][ T5337] dump_backtrace+0x0/0x43c [ 68.822839][ T5337] show_stack+0x2c/0x3c [ 68.823481][ T5337] __dump_stack+0x30/0x40 [ 68.824137][ T5337] dump_stack_lvl+0xf8/0x160 [ 68.824802][ T5337] dump_stack+0x1c/0x5c [ 68.825407][ T5337] sysfs_create_dir_ns+0x22c/0x24c [ 68.826148][ T5337] kobject_add_internal+0x590/0xc54 [ 68.826914][ T5337] kobject_init_and_add+0x118/0x17c [ 68.827677][ T5337] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.828429][ T5337] gfs2_fill_super+0xdac/0x19e0 [ 68.829111][ T5337] get_tree_bdev+0x358/0x544 [ 68.829839][ T5337] gfs2_get_tree+0x54/0x1b4 [ 68.830484][ T5337] vfs_get_tree+0x90/0x274 [ 68.831196][ T5337] do_new_mount+0x228/0x810 [ 68.831857][ T5337] path_mount+0x5b4/0x1000 [ 68.832458][ T5337] __arm64_sys_mount+0x514/0x5e4 [ 68.833154][ T5337] invoke_syscall+0x98/0x2b8 [ 68.833848][ T5337] el0_svc_common+0x138/0x258 [ 68.834569][ T5337] do_el0_svc+0x58/0x14c [ 68.835218][ T5337] el0_svc+0x78/0x1e0 [ 68.835819][ T5337] el0t_64_sync_handler+0xcc/0xe4 [ 68.836538][ T5337] el0t_64_sync+0x1a0/0x1a4 [ 68.840244][ T5337] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.842368][ T5337] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.060390][ T4940] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.071757][ T5370] loop2: detected capacity change from 0 to 32768 [ 69.081702][ T5370] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 69.103731][ T5370] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 69.109764][ T4940] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.129180][ T5370] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 69.170569][ T5374] loop3: detected capacity change from 0 to 32768 [ 69.179529][ T5370] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 69.187611][ T4940] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.226646][ T5374] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.227712][ T5374] CPU: 0 PID: 5374 Comm: syz.3.26 Not tainted syzkaller #0 [ 69.228881][ T5374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.230496][ T5374] Call trace: [ 69.230990][ T5374] dump_backtrace+0x0/0x43c [ 69.231660][ T5374] show_stack+0x2c/0x3c [ 69.232277][ T5374] __dump_stack+0x30/0x40 [ 69.232916][ T5374] dump_stack_lvl+0xf8/0x160 [ 69.233556][ T5374] dump_stack+0x1c/0x5c [ 69.234160][ T5374] sysfs_create_dir_ns+0x22c/0x24c [ 69.234943][ T5374] kobject_add_internal+0x590/0xc54 [ 69.235745][ T5374] kobject_init_and_add+0x118/0x17c [ 69.236493][ T5374] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.237192][ T5374] gfs2_fill_super+0xdac/0x19e0 [ 69.237900][ T5374] get_tree_bdev+0x358/0x544 [ 69.238559][ T5374] gfs2_get_tree+0x54/0x1b4 [ 69.239336][ T5374] vfs_get_tree+0x90/0x274 [ 69.240084][ T5374] do_new_mount+0x228/0x810 [ 69.240829][ T5374] path_mount+0x5b4/0x1000 [ 69.241483][ T5374] __arm64_sys_mount+0x514/0x5e4 [ 69.242298][ T5374] invoke_syscall+0x98/0x2b8 [ 69.243048][ T5374] el0_svc_common+0x138/0x258 [ 69.243851][ T5374] do_el0_svc+0x58/0x14c [ 69.244540][ T5374] el0_svc+0x78/0x1e0 [ 69.245230][ T5374] el0t_64_sync_handler+0xcc/0xe4 [ 69.246099][ T5374] el0t_64_sync+0x1a0/0x1a4 [ 69.263225][ T5374] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.265371][ T5374] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.303314][ T3335] Bluetooth: hci3: command 0x040f tx timeout [ 69.307781][ T3335] Bluetooth: hci0: command 0x040f tx timeout [ 69.308734][ T3335] Bluetooth: hci2: command 0x040f tx timeout [ 69.309667][ T3335] Bluetooth: hci1: command 0x040f tx timeout [ 69.373394][ T3335] Bluetooth: hci4: command 0x040f tx timeout [ 69.474076][ T4923] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.516702][ T4923] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.544793][ T4923] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.546421][ T5374] loop3: detected capacity change from 0 to 32768 [ 69.577156][ T4923] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.598475][ T5374] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 69.599859][ T5374] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 69.602622][ T5374] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 69.604994][ T4221] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 69.606140][ T4221] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 69.614485][ T25] cfg80211: failed to load regulatory.db [ 69.618638][ T4940] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.620375][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.621387][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.659164][ T4221] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 53ms [ 69.660664][ T4221] gfs2: fsid=syz:syz.0: jid=0: Done [ 69.665491][ T5374] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 69.718892][ T5374] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 69.734102][ T4925] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.736413][ T234] [ 69.736796][ T234] ====================================================== [ 69.737859][ T234] WARNING: possible circular locking dependency detected [ 69.738900][ T234] syzkaller #0 Not tainted [ 69.739595][ T234] ------------------------------------------------------ [ 69.740635][ T234] kworker/0:1H/234 is trying to acquire lock: [ 69.741565][ T234] ffff0000ce87e0e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x374 [ 69.743129][ T234] [ 69.743129][ T234] but task is already holding lock: [ 69.744292][ T234] ffff80001bf97c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 69.746148][ T234] [ 69.746148][ T234] which lock already depends on the new lock. [ 69.746148][ T234] [ 69.747757][ T234] [ 69.747757][ T234] the existing dependency chain (in reverse order) is: [ 69.749158][ T234] [ 69.749158][ T234] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 69.750727][ T234] process_one_work+0x6e0/0x1140 [ 69.751625][ T234] worker_thread+0x8f4/0x101c [ 69.752471][ T234] kthread+0x374/0x454 [ 69.753236][ T234] ret_from_fork+0x10/0x20 [ 69.753992][ T234] [ 69.753992][ T234] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 69.755337][ T234] flush_workqueue+0x11c/0x1024 [ 69.756185][ T234] gfs2_gl_hash_clear+0xb8/0x2cc [ 69.757125][ T234] gfs2_put_super+0x614/0x6bc [ 69.758005][ T234] generic_shutdown_super+0x130/0x2f0 [ 69.759016][ T234] kill_block_super+0x70/0xdc [ 69.759834][ T234] gfs2_kill_sb+0xc0/0xd4 [ 69.760598][ T234] deactivate_locked_super+0xb8/0x13c [ 69.761453][ T234] deactivate_super+0xf8/0x118 [ 69.762260][ T234] cleanup_mnt+0x3a4/0x458 [ 69.763020][ T234] __cleanup_mnt+0x20/0x30 [ 69.763758][ T234] task_work_run+0x12c/0x1e0 [ 69.764532][ T234] do_notify_resume+0x24b4/0x3128 [ 69.765317][ T234] el0_svc+0xf0/0x1e0 [ 69.765989][ T234] el0t_64_sync_handler+0xcc/0xe4 [ 69.766781][ T234] el0t_64_sync+0x1a0/0x1a4 [ 69.767535][ T234] [ 69.767535][ T234] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 69.768791][ T234] __lock_acquire+0x2928/0x651c [ 69.769609][ T234] lock_acquire+0x1f4/0x620 [ 69.770349][ T234] down_write+0xbc/0x12c [ 69.771050][ T234] freeze_super+0x54/0x374 [ 69.771796][ T234] freeze_go_sync+0x128/0x31c [ 69.772598][ T234] do_xmote+0x2ec/0xf90 [ 69.773399][ T234] run_queue+0x3fc/0x6c0 [ 69.774115][ T234] glock_work_func+0x208/0x458 [ 69.774929][ T234] process_one_work+0x79c/0x1140 [ 69.775824][ T234] worker_thread+0x8f4/0x101c [ 69.776707][ T234] kthread+0x374/0x454 [ 69.777406][ T234] ret_from_fork+0x10/0x20 [ 69.778238][ T234] [ 69.778238][ T234] other info that might help us debug this: [ 69.778238][ T234] [ 69.779879][ T234] Chain exists of: [ 69.779879][ T234] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 69.779879][ T234] [ 69.782692][ T234] Possible unsafe locking scenario: [ 69.782692][ T234] [ 69.783822][ T234] CPU0 CPU1 [ 69.784602][ T234] ---- ---- [ 69.785394][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 69.786399][ T234] lock((wq_completion)glock_workqueue); [ 69.787689][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 69.789219][ T234] lock(&type->s_umount_key#50); [ 69.790019][ T234] [ 69.790019][ T234] *** DEADLOCK *** [ 69.790019][ T234] [ 69.791221][ T234] 2 locks held by kworker/0:1H/234: [ 69.792026][ T234] #0: ffff0000c6994538 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 69.793801][ T234] #1: ffff80001bf97c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 69.795665][ T234] [ 69.795665][ T234] stack backtrace: [ 69.796591][ T234] CPU: 0 PID: 234 Comm: kworker/0:1H Not tainted syzkaller #0 [ 69.797857][ T234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.799484][ T234] Workqueue: glock_workqueue glock_work_func [ 69.800349][ T234] Call trace: [ 69.800815][ T234] dump_backtrace+0x0/0x43c [ 69.801468][ T234] show_stack+0x2c/0x3c [ 69.802103][ T234] __dump_stack+0x30/0x40 [ 69.802767][ T234] dump_stack_lvl+0xf8/0x160 [ 69.803531][ T234] dump_stack+0x1c/0x5c [ 69.804160][ T234] print_circular_bug+0x148/0x1b0 [ 69.804906][ T234] check_noncircular+0x240/0x2d4 [ 69.805665][ T234] __lock_acquire+0x2928/0x651c [ 69.806483][ T234] lock_acquire+0x1f4/0x620 [ 69.807216][ T234] down_write+0xbc/0x12c [ 69.807908][ T234] freeze_super+0x54/0x374 [ 69.808597][ T234] freeze_go_sync+0x128/0x31c [ 69.809313][ T234] do_xmote+0x2ec/0xf90 [ 69.810011][ T234] run_queue+0x3fc/0x6c0 [ 69.810698][ T234] glock_work_func+0x208/0x458 [ 69.811435][ T234] process_one_work+0x79c/0x1140 [ 69.812160][ T234] worker_thread+0x8f4/0x101c [ 69.812896][ T234] kthread+0x374/0x454 [ 69.813457][ T234] ret_from_fork+0x10/0x20 [ 69.844238][ T4925] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.897664][ T5422] loop2: detected capacity change from 0 to 32768 [ 69.928608][ T4940] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.936531][ T5422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.937719][ T5422] CPU: 1 PID: 5422 Comm: syz.2.28 Not tainted syzkaller #0 [ 69.938834][ T5422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 69.940374][ T5422] Call trace: [ 69.940838][ T5422] dump_backtrace+0x0/0x43c [ 69.941527][ T5422] show_stack+0x2c/0x3c [ 69.942167][ T5422] __dump_stack+0x30/0x40 [ 69.942843][ T5422] dump_stack_lvl+0xf8/0x160 [ 69.943559][ T5422] dump_stack+0x1c/0x5c [ 69.944202][ T5422] sysfs_create_dir_ns+0x22c/0x24c [ 69.945023][ T5422] kobject_add_internal+0x590/0xc54 [ 69.945807][ T5422] kobject_init_and_add+0x118/0x17c [ 69.946579][ T5422] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.947321][ T5422] gfs2_fill_super+0xdac/0x19e0 [ 69.948081][ T5422] get_tree_bdev+0x358/0x544 [ 69.948826][ T5422] gfs2_get_tree+0x54/0x1b4 [ 69.949595][ T5422] vfs_get_tree+0x90/0x274 [ 69.950296][ T5422] do_new_mount+0x228/0x810 [ 69.950978][ T5422] path_mount+0x5b4/0x1000 [ 69.951665][ T5422] __arm64_sys_mount+0x514/0x5e4 [ 69.952454][ T5422] invoke_syscall+0x98/0x2b8 [ 69.953107][ T5422] el0_svc_common+0x138/0x258 [ 69.953870][ T5422] do_el0_svc+0x58/0x14c [ 69.954518][ T5422] el0_svc+0x78/0x1e0 [ 69.955110][ T5422] el0t_64_sync_handler+0xcc/0xe4 [ 69.955855][ T5422] el0t_64_sync+0x1a0/0x1a4 [ 69.974305][ T4940] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.981469][ T5422] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.983597][ T5422] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.018043][ T4925] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.057156][ T4925] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.101599][ T5422] loop2: detected capacity change from 0 to 32768 [ 70.107965][ T4940] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.137045][ T5422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.138253][ T5422] CPU: 0 PID: 5422 Comm: syz.2.28 Not tainted syzkaller #0 [ 70.139351][ T5422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 70.140954][ T5422] Call trace: [ 70.141495][ T5422] dump_backtrace+0x0/0x43c [ 70.142186][ T5422] show_stack+0x2c/0x3c [ 70.142897][ T5422] __dump_stack+0x30/0x40 [ 70.143646][ T5422] dump_stack_lvl+0xf8/0x160 [ 70.144364][ T5422] dump_stack+0x1c/0x5c [ 70.145011][ T5422] sysfs_create_dir_ns+0x22c/0x24c [ 70.145829][ T5422] kobject_add_internal+0x590/0xc54 [ 70.146615][ T5422] kobject_init_and_add+0x118/0x17c [ 70.147444][ T5422] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.148243][ T5422] gfs2_fill_super+0xdac/0x19e0 [ 70.149027][ T5422] get_tree_bdev+0x358/0x544 [ 70.149808][ T5422] gfs2_get_tree+0x54/0x1b4 [ 70.150570][ T5422] vfs_get_tree+0x90/0x274 [ 70.151294][ T5422] do_new_mount+0x228/0x810 [ 70.152031][ T5422] path_mount+0x5b4/0x1000 [ 70.152782][ T5422] __arm64_sys_mount+0x514/0x5e4 [ 70.153575][ T5422] invoke_syscall+0x98/0x2b8 [ 70.154307][ T5422] el0_svc_common+0x138/0x258 [ 70.155041][ T5422] do_el0_svc+0x58/0x14c [ 70.155749][ T5422] el0_svc+0x78/0x1e0 [ 70.156381][ T5422] el0t_64_sync_handler+0xcc/0xe4 [ 70.157147][ T5422] el0t_64_sync+0x1a0/0x1a4 [ 70.175505][ T5422] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.177559][ T5422] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.201179][ T4925] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.264852][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.266286][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.270119][ T4925] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.305474][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.307602][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.309097][ T1644] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.310156][ T1644] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.334595][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.346909][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.348481][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.349846][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.350945][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.369435][ T4923] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.371622][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.375295][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.381719][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.383281][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.384749][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.396240][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.397880][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.400520][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.401846][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.407674][ T4923] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.415882][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.417428][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.418855][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.419934][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.421356][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.422799][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.429205][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.430755][ T5454] loop2: detected capacity change from 0 to 32768 [ 70.434491][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.435911][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.437231][ T1644] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.438304][ T1644] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.440539][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.442021][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.454764][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.455885][ T5454] CPU: 1 PID: 5454 Comm: syz.2.29 Not tainted syzkaller #0 [ 70.457033][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 70.458669][ T5454] Call trace: [ 70.459161][ T5454] dump_backtrace+0x0/0x43c [ 70.459881][ T5454] show_stack+0x2c/0x3c [ 70.460521][ T5454] __dump_stack+0x30/0x40 [ 70.461202][ T5454] dump_stack_lvl+0xf8/0x160 [ 70.461906][ T5454] dump_stack+0x1c/0x5c [ 70.462524][ T5454] sysfs_create_dir_ns+0x22c/0x24c [ 70.463292][ T5454] kobject_add_internal+0x590/0xc54 [ 70.464085][ T5454] kobject_init_and_add+0x118/0x17c [ 70.464951][ T5454] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.465677][ T5454] gfs2_fill_super+0xdac/0x19e0 [ 70.466418][ T5454] get_tree_bdev+0x358/0x544 [ 70.467076][ T5454] gfs2_get_tree+0x54/0x1b4 [ 70.467734][ T5454] vfs_get_tree+0x90/0x274 [ 70.468384][ T5454] do_new_mount+0x228/0x810 [ 70.469081][ T5454] path_mount+0x5b4/0x1000 [ 70.469751][ T5454] __arm64_sys_mount+0x514/0x5e4 [ 70.470571][ T5454] invoke_syscall+0x98/0x2b8 [ 70.471243][ T5454] el0_svc_common+0x138/0x258 [ 70.471983][ T5454] do_el0_svc+0x58/0x14c [ 70.472634][ T5454] el0_svc+0x78/0x1e0 [ 70.473270][ T5454] el0t_64_sync_handler+0xcc/0xe4 [ 70.474036][ T5454] el0t_64_sync+0x1a0/0x1a4 [ 70.477154][ T4925] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.490614][ T4940] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.492440][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.494808][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.494851][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.496904][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.509530][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.511153][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.514460][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.519430][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.520840][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.522110][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.524688][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.528150][ T4940] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.530428][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.531867][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.538394][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.540039][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.547662][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.549262][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.550583][ T1644] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.551593][ T1644] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.553719][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.556025][ T4923] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.560097][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.561471][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.562897][ T1644] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.564055][ T1644] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.566388][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.574935][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.596665][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.598323][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.599920][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.606259][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.607867][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.609391][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.610561][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.622362][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.624633][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.636537][ T4925] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.640636][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.642223][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.656237][ T4940] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.668893][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.670746][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.685101][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.686560][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.688168][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.689486][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.692223][ T4925] device veth0_vlan entered promiscuous mode [ 70.706425][ T4925] device veth1_vlan entered promiscuous mode [ 70.712586][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.714872][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.715992][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.719138][ T4923] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.744483][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.745914][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.747382][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.751328][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.752894][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.770318][ T4925] device veth0_macvtap entered promiscuous mode [ 70.775346][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.777818][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.778967][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.787616][ T4940] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.794085][ T4925] device veth1_macvtap entered promiscuous mode [ 70.805105][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.806590][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.807976][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.815608][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.817076][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.830282][ T5454] loop2: detected capacity change from 0 to 32768 [ 70.832154][ T4923] device veth0_vlan entered promiscuous mode [ 70.834301][ T4925] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.835965][ T4925] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.837539][ T4925] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.839185][ T4925] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.851298][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.852789][ T4925] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.855131][ T5454] CPU: 0 PID: 5454 Comm: syz.2.29 Not tainted syzkaller #0 [ 70.856274][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 70.857879][ T5454] Call trace: [ 70.858437][ T5454] dump_backtrace+0x0/0x43c [ 70.859162][ T5454] show_stack+0x2c/0x3c [ 70.859865][ T5454] __dump_stack+0x30/0x40 [ 70.860515][ T5454] dump_stack_lvl+0xf8/0x160 [ 70.861281][ T5454] dump_stack+0x1c/0x5c [ 70.861928][ T5454] sysfs_create_dir_ns+0x22c/0x24c [ 70.862731][ T5454] kobject_add_internal+0x590/0xc54 [ 70.863538][ T5454] kobject_init_and_add+0x118/0x17c [ 70.864419][ T5454] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.865153][ T5454] gfs2_fill_super+0xdac/0x19e0 [ 70.865991][ T5454] get_tree_bdev+0x358/0x544 [ 70.866797][ T5454] gfs2_get_tree+0x54/0x1b4 [ 70.867532][ T5454] vfs_get_tree+0x90/0x274 [ 70.868205][ T5454] do_new_mount+0x228/0x810 [ 70.868956][ T5454] path_mount+0x5b4/0x1000 [ 70.869650][ T5454] __arm64_sys_mount+0x514/0x5e4 [ 70.870382][ T5454] invoke_syscall+0x98/0x2b8 [ 70.871018][ T4925] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.871075][ T5454] el0_svc_common+0x138/0x258 [ 70.873372][ T5454] do_el0_svc+0x58/0x14c [ 70.873713][ T4925] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.874058][ T5454] el0_svc+0x78/0x1e0 [ 70.874072][ T5454] el0t_64_sync_handler+0xcc/0xe4 [ 70.874083][ T5454] el0t_64_sync+0x1a0/0x1a4 [ 70.886807][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.888371][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.891616][ T4925] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.895564][ T4925] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.896730][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.897126][ T4925] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.899237][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.919220][ T4925] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.920621][ T4925] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.927704][ T4925] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.929815][ T4925] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.939362][ T4923] device veth1_vlan entered promiscuous mode [ 70.953994][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.955431][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.956968][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.958415][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.974518][ T4925] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.975878][ T4925] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.977322][ T4925] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.978762][ T4925] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.020223][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.021819][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.025929][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.027465][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.036221][ T4923] device veth0_macvtap entered promiscuous mode [ 71.042392][ T4940] device veth0_vlan entered promiscuous mode [ 71.049332][ T4923] device veth1_macvtap entered promiscuous mode [ 71.063950][ T4925] ieee80211 phy13: Selected rate control algorithm 'minstrel_ht' [ 71.067357][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.068878][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.070563][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.072005][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.074150][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.076061][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.084972][ T4923] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.086650][ T4923] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.088266][ T4923] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.089962][ T4923] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.096017][ T4923] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.097647][ T4923] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.099193][ T4923] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.100813][ T4923] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.103383][ T4923] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.104582][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.106120][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.109020][ T4940] device veth1_vlan entered promiscuous mode [ 71.116001][ T5535] loop2: detected capacity change from 0 to 32768 [ 71.123719][ T4923] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.125293][ T4923] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.126776][ T4923] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.128522][ T4923] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.130105][ T4923] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.131822][ T4923] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.135071][ T4923] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.136724][ T4923] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.138915][ T4923] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.140457][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.141948][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.146007][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.147256][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.151400][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.152412][ T5535] CPU: 1 PID: 5535 Comm: syz.2.30 Not tainted syzkaller #0 [ 71.153488][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.155050][ T5535] Call trace: [ 71.155551][ T5535] dump_backtrace+0x0/0x43c [ 71.156285][ T5535] show_stack+0x2c/0x3c [ 71.156976][ T5535] __dump_stack+0x30/0x40 [ 71.157623][ T5535] dump_stack_lvl+0xf8/0x160 [ 71.158355][ T5535] dump_stack+0x1c/0x5c [ 71.159039][ T5535] sysfs_create_dir_ns+0x22c/0x24c [ 71.159827][ T5535] kobject_add_internal+0x590/0xc54 [ 71.160661][ T5535] kobject_init_and_add+0x118/0x17c [ 71.161481][ T5535] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.162209][ T5535] gfs2_fill_super+0xdac/0x19e0 [ 71.162976][ T5535] get_tree_bdev+0x358/0x544 [ 71.163683][ T5535] gfs2_get_tree+0x54/0x1b4 [ 71.164308][ T5535] vfs_get_tree+0x90/0x274 [ 71.165002][ T5535] do_new_mount+0x228/0x810 [ 71.165658][ T5535] path_mount+0x5b4/0x1000 [ 71.166354][ T5535] __arm64_sys_mount+0x514/0x5e4 [ 71.167093][ T5535] invoke_syscall+0x98/0x2b8 [ 71.167815][ T5535] el0_svc_common+0x138/0x258 [ 71.168595][ T5535] do_el0_svc+0x58/0x14c [ 71.169302][ T5535] el0_svc+0x78/0x1e0 [ 71.169922][ T5535] el0t_64_sync_handler+0xcc/0xe4 [ 71.170704][ T5535] el0t_64_sync+0x1a0/0x1a4 [ 71.172947][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.174724][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.176300][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.177732][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.179213][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.185803][ T4925] ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' [ 71.188720][ T4940] device veth0_macvtap entered promiscuous mode [ 71.194179][ T4923] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.195598][ T4923] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.196905][ T4923] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.200037][ T4923] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.207114][ T5267] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.208280][ T5267] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.209507][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.210876][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.212468][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.216242][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.225547][ T4940] device veth1_macvtap entered promiscuous mode [ 71.229784][ T4940] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.231455][ T4940] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.232865][ T4940] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.240301][ T4940] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.241805][ T4940] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.243483][ T4940] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.244905][ T4940] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.246682][ T4940] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.248210][ T4940] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.249679][ T4940] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.251918][ T4940] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.262817][ T4940] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.264685][ T4940] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.275656][ T4940] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.277212][ T4940] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.278755][ T4940] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.280358][ T4940] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.281770][ T4940] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.308515][ T4940] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.309885][ T4940] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.311314][ T4940] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.333753][ T4940] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.336851][ T4923] ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' [ 71.352838][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.354435][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.355941][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.357429][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.358946][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.373350][ T4143] Bluetooth: hci1: command 0x0419 tx timeout [ 71.374583][ T4143] Bluetooth: hci2: command 0x0419 tx timeout [ 71.375503][ T4143] Bluetooth: hci0: command 0x0419 tx timeout [ 71.376492][ T4143] Bluetooth: hci3: command 0x0419 tx timeout [ 71.378348][ T5535] loop2: detected capacity change from 0 to 32768 [ 71.381532][ T4940] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.382854][ T4940] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.384682][ T4940] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.386249][ T4940] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.392294][ T4923] ieee80211 phy16: Selected rate control algorithm 'minstrel_ht' [ 71.393879][ T5267] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.395094][ T5267] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.400569][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.417717][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.418962][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.420134][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.449695][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.450777][ T5535] CPU: 0 PID: 5535 Comm: syz.2.30 Not tainted syzkaller #0 [ 71.451847][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.453366][ T5535] Call trace: [ 71.453856][ T5535] dump_backtrace+0x0/0x43c [ 71.454533][ T5535] show_stack+0x2c/0x3c [ 71.455168][ T5535] __dump_stack+0x30/0x40 [ 71.455860][ T5535] dump_stack_lvl+0xf8/0x160 [ 71.456591][ T5535] dump_stack+0x1c/0x5c [ 71.457254][ T5535] sysfs_create_dir_ns+0x22c/0x24c [ 71.457904][ T5561] loop0: detected capacity change from 0 to 32768 [ 71.458082][ T5535] kobject_add_internal+0x590/0xc54 [ 71.459872][ T5535] kobject_init_and_add+0x118/0x17c [ 71.460700][ T5535] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.461424][ T5535] gfs2_fill_super+0xdac/0x19e0 [ 71.462125][ T5535] get_tree_bdev+0x358/0x544 [ 71.462803][ T5535] gfs2_get_tree+0x54/0x1b4 [ 71.463464][ T5535] vfs_get_tree+0x90/0x274 [ 71.464100][ T5535] do_new_mount+0x228/0x810 [ 71.464771][ T5535] path_mount+0x5b4/0x1000 [ 71.465279][ T5561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.465486][ T5535] __arm64_sys_mount+0x514/0x5e4 [ 71.467354][ T5535] invoke_syscall+0x98/0x2b8 [ 71.468094][ T5535] el0_svc_common+0x138/0x258 [ 71.468816][ T5535] do_el0_svc+0x58/0x14c [ 71.469500][ T5535] el0_svc+0x78/0x1e0 [ 71.470130][ T5535] el0t_64_sync_handler+0xcc/0xe4 [ 71.470948][ T5535] el0t_64_sync+0x1a0/0x1a4 [ 71.471593][ T5561] CPU: 1 PID: 5561 Comm: syz.0.15 Not tainted syzkaller #0 [ 71.472664][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.474255][ T5561] Call trace: [ 71.474779][ T5561] dump_backtrace+0x0/0x43c [ 71.475508][ T5561] show_stack+0x2c/0x3c [ 71.476191][ T5561] __dump_stack+0x30/0x40 [ 71.476858][ T5561] dump_stack_lvl+0xf8/0x160 [ 71.477536][ T5561] dump_stack+0x1c/0x5c [ 71.478192][ T5561] sysfs_create_dir_ns+0x22c/0x24c [ 71.479027][ T5561] kobject_add_internal+0x590/0xc54 [ 71.479862][ T5561] kobject_init_and_add+0x118/0x17c [ 71.480659][ T5561] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.481484][ T5561] gfs2_fill_super+0xdac/0x19e0 [ 71.482272][ T5561] get_tree_bdev+0x358/0x544 [ 71.483022][ T5561] gfs2_get_tree+0x54/0x1b4 [ 71.483713][ T5561] vfs_get_tree+0x90/0x274 [ 71.484396][ T5561] do_new_mount+0x228/0x810 [ 71.485054][ T5561] path_mount+0x5b4/0x1000 [ 71.485777][ T5561] __arm64_sys_mount+0x514/0x5e4 [ 71.486555][ T5561] invoke_syscall+0x98/0x2b8 [ 71.487338][ T5561] el0_svc_common+0x138/0x258 [ 71.488024][ T5561] do_el0_svc+0x58/0x14c [ 71.488667][ T5561] el0_svc+0x78/0x1e0 [ 71.489283][ T5561] el0t_64_sync_handler+0xcc/0xe4 [ 71.490034][ T5561] el0t_64_sync+0x1a0/0x1a4 [ 71.491337][ T3335] Bluetooth: hci4: command 0x0419 tx timeout [ 71.493651][ T5561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.502061][ T5561] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.523467][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.525832][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.541576][ T4940] ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' [ 71.557785][ T4940] ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' [ 71.561007][ T361] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.562240][ T361] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.565325][ T5267] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.638990][ T361] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.640508][ T361] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.642036][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.824475][ T9] device hsr_slave_0 left promiscuous mode [ 71.828570][ T5561] loop0: detected capacity change from 0 to 32768 [ 71.864263][ T5561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.865430][ T5561] CPU: 1 PID: 5561 Comm: syz.0.15 Not tainted syzkaller #0 [ 71.866432][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.867951][ T5561] Call trace: [ 71.868419][ T5561] dump_backtrace+0x0/0x43c [ 71.869094][ T5561] show_stack+0x2c/0x3c [ 71.869716][ T5561] __dump_stack+0x30/0x40 [ 71.870402][ T5561] dump_stack_lvl+0xf8/0x160 [ 71.871084][ T5561] dump_stack+0x1c/0x5c [ 71.871707][ T5561] sysfs_create_dir_ns+0x22c/0x24c [ 71.872479][ T5561] kobject_add_internal+0x590/0xc54 [ 71.873334][ T5561] kobject_init_and_add+0x118/0x17c [ 71.874122][ T5561] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.874879][ T5561] gfs2_fill_super+0xdac/0x19e0 [ 71.875603][ T5561] get_tree_bdev+0x358/0x544 [ 71.876280][ T5561] gfs2_get_tree+0x54/0x1b4 [ 71.876992][ T5561] vfs_get_tree+0x90/0x274 [ 71.877641][ T5561] do_new_mount+0x228/0x810 [ 71.878390][ T5561] path_mount+0x5b4/0x1000 [ 71.879050][ T5561] __arm64_sys_mount+0x514/0x5e4 [ 71.879843][ T5561] invoke_syscall+0x98/0x2b8 [ 71.880625][ T5561] el0_svc_common+0x138/0x258 [ 71.881397][ T5561] do_el0_svc+0x58/0x14c [ 71.882112][ T5561] el0_svc+0x78/0x1e0 [ 71.882706][ T5561] el0t_64_sync_handler+0xcc/0xe4 [ 71.883419][ T5561] el0t_64_sync+0x1a0/0x1a4 [ 71.884542][ T9] device hsr_slave_1 left promiscuous mode [ 71.894731][ T5573] loop1: detected capacity change from 0 to 32768 [ 71.905963][ T5561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.907887][ T5561] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.929717][ T5582] loop4: detected capacity change from 0 to 32768 [ 71.941283][ T5580] loop2: detected capacity change from 0 to 32768 [ 71.944087][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.945301][ T5573] CPU: 1 PID: 5573 Comm: syz.1.16 Not tainted syzkaller #0 [ 71.946428][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.948004][ T5573] Call trace: [ 71.948454][ T5573] dump_backtrace+0x0/0x43c [ 71.949206][ T5573] show_stack+0x2c/0x3c [ 71.949883][ T5573] __dump_stack+0x30/0x40 [ 71.950600][ T5573] dump_stack_lvl+0xf8/0x160 [ 71.951285][ T5573] dump_stack+0x1c/0x5c [ 71.951954][ T5573] sysfs_create_dir_ns+0x22c/0x24c [ 71.952779][ T5573] kobject_add_internal+0x590/0xc54 [ 71.953558][ T5573] kobject_init_and_add+0x118/0x17c [ 71.954395][ T5573] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.955044][ T5573] gfs2_fill_super+0xdac/0x19e0 [ 71.955694][ T5573] get_tree_bdev+0x358/0x544 [ 71.956450][ T5573] gfs2_get_tree+0x54/0x1b4 [ 71.957098][ T5573] vfs_get_tree+0x90/0x274 [ 71.957781][ T5573] do_new_mount+0x228/0x810 [ 71.958530][ T5573] path_mount+0x5b4/0x1000 [ 71.959280][ T5573] __arm64_sys_mount+0x514/0x5e4 [ 71.960134][ T5573] invoke_syscall+0x98/0x2b8 [ 71.960852][ T5573] el0_svc_common+0x138/0x258 [ 71.961583][ T5573] do_el0_svc+0x58/0x14c [ 71.962215][ T5573] el0_svc+0x78/0x1e0 [ 71.962812][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 71.963622][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 71.965474][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 71.966657][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 71.968572][ T5582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.968846][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 71.969724][ T5582] CPU: 1 PID: 5582 Comm: syz.4.19 Not tainted syzkaller #0 [ 71.970954][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 71.971936][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.971948][ T5582] Call trace: [ 71.975029][ T5582] dump_backtrace+0x0/0x43c [ 71.975653][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.975697][ T5582] show_stack+0x2c/0x3c [ 71.977395][ T5582] __dump_stack+0x30/0x40 [ 71.978028][ T5582] dump_stack_lvl+0xf8/0x160 [ 71.978751][ T5582] dump_stack+0x1c/0x5c [ 71.979329][ T5582] sysfs_create_dir_ns+0x22c/0x24c [ 71.980136][ T5582] kobject_add_internal+0x590/0xc54 [ 71.980945][ T5582] kobject_init_and_add+0x118/0x17c [ 71.981768][ T5582] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.982501][ T5582] gfs2_fill_super+0xdac/0x19e0 [ 71.983260][ T5582] get_tree_bdev+0x358/0x544 [ 71.983932][ T5582] gfs2_get_tree+0x54/0x1b4 [ 71.984648][ T5582] vfs_get_tree+0x90/0x274 [ 71.985272][ T5582] do_new_mount+0x228/0x810 [ 71.985928][ T5582] path_mount+0x5b4/0x1000 [ 71.986616][ T5582] __arm64_sys_mount+0x514/0x5e4 [ 71.987313][ T5582] invoke_syscall+0x98/0x2b8 [ 71.987994][ T5582] el0_svc_common+0x138/0x258 [ 71.988694][ T5582] do_el0_svc+0x58/0x14c [ 71.989342][ T5582] el0_svc+0x78/0x1e0 [ 71.989962][ T5582] el0t_64_sync_handler+0xcc/0xe4 [ 71.990760][ T5582] el0t_64_sync+0x1a0/0x1a4 [ 71.992255][ T9] device bridge_slave_1 left promiscuous mode [ 71.994866][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.996196][ T5580] CPU: 0 PID: 5580 Comm: syz.2.31 Not tainted syzkaller #0 [ 71.997344][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.997689][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.998990][ T5580] Call trace: [ 71.998995][ T5580] dump_backtrace+0x0/0x43c [ 72.001335][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.001499][ T5580] show_stack+0x2c/0x3c [ 72.003867][ T5580] __dump_stack+0x30/0x40 [ 72.004446][ T5582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.004581][ T5580] dump_stack_lvl+0xf8/0x160 [ 72.006749][ T5582] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.007434][ T5580] dump_stack+0x1c/0x5c [ 72.009097][ T5580] sysfs_create_dir_ns+0x22c/0x24c [ 72.009957][ T5580] kobject_add_internal+0x590/0xc54 [ 72.010776][ T5580] kobject_init_and_add+0x118/0x17c [ 72.011623][ T5580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.012434][ T5580] gfs2_fill_super+0xdac/0x19e0 [ 72.013215][ T5580] get_tree_bdev+0x358/0x544 [ 72.013943][ T5580] gfs2_get_tree+0x54/0x1b4 [ 72.014612][ T5580] vfs_get_tree+0x90/0x274 [ 72.015322][ T5580] do_new_mount+0x228/0x810 [ 72.015986][ T5580] path_mount+0x5b4/0x1000 [ 72.016657][ T5580] __arm64_sys_mount+0x514/0x5e4 [ 72.017480][ T5580] invoke_syscall+0x98/0x2b8 [ 72.018248][ T5580] el0_svc_common+0x138/0x258 [ 72.019043][ T5580] do_el0_svc+0x58/0x14c [ 72.019773][ T5580] el0_svc+0x78/0x1e0 [ 72.020401][ T5580] el0t_64_sync_handler+0xcc/0xe4 [ 72.021204][ T5580] el0t_64_sync+0x1a0/0x1a4 [ 72.054877][ T9] device bridge_slave_0 left promiscuous mode [ 72.055970][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.069174][ T5580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.073312][ T5580] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.160207][ T9] device veth1_macvtap left promiscuous mode [ 72.161233][ T9] device veth0_macvtap left promiscuous mode [ 72.162192][ T9] device veth1_vlan left promiscuous mode [ 72.165494][ T9] device veth0_vlan left promiscuous mode [ 72.325635][ T5573] loop1: detected capacity change from 0 to 32768 [ 72.329287][ T5582] loop4: detected capacity change from 0 to 32768 [ 72.363202][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.364467][ T5573] CPU: 1 PID: 5573 Comm: syz.1.16 Not tainted syzkaller #0 [ 72.365555][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.367142][ T5573] Call trace: [ 72.367642][ T5573] dump_backtrace+0x0/0x43c [ 72.368357][ T5573] show_stack+0x2c/0x3c [ 72.368933][ T5573] __dump_stack+0x30/0x40 [ 72.369539][ T5573] dump_stack_lvl+0xf8/0x160 [ 72.370228][ T5573] dump_stack+0x1c/0x5c [ 72.370773][ T5573] sysfs_create_dir_ns+0x22c/0x24c [ 72.371612][ T5573] kobject_add_internal+0x590/0xc54 [ 72.372397][ T5573] kobject_init_and_add+0x118/0x17c [ 72.373132][ T5573] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.373933][ T5573] gfs2_fill_super+0xdac/0x19e0 [ 72.374688][ T5573] get_tree_bdev+0x358/0x544 [ 72.375380][ T5573] gfs2_get_tree+0x54/0x1b4 [ 72.376113][ T5573] vfs_get_tree+0x90/0x274 [ 72.376753][ T5573] do_new_mount+0x228/0x810 [ 72.377427][ T5573] path_mount+0x5b4/0x1000 [ 72.378092][ T5573] __arm64_sys_mount+0x514/0x5e4 [ 72.378863][ T5573] invoke_syscall+0x98/0x2b8 [ 72.379573][ T5573] el0_svc_common+0x138/0x258 [ 72.380324][ T5573] do_el0_svc+0x58/0x14c [ 72.380959][ T5573] el0_svc+0x78/0x1e0 [ 72.381535][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 72.382239][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 72.386384][ T5582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.387521][ T5582] CPU: 1 PID: 5582 Comm: syz.4.19 Not tainted syzkaller #0 [ 72.388623][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.390133][ T5582] Call trace: [ 72.390619][ T5582] dump_backtrace+0x0/0x43c [ 72.391237][ T5582] show_stack+0x2c/0x3c [ 72.391799][ T5582] __dump_stack+0x30/0x40 [ 72.392447][ T5582] dump_stack_lvl+0xf8/0x160 [ 72.393127][ T5582] dump_stack+0x1c/0x5c [ 72.393728][ T5582] sysfs_create_dir_ns+0x22c/0x24c [ 72.394529][ T5582] kobject_add_internal+0x590/0xc54 [ 72.395276][ T5582] kobject_init_and_add+0x118/0x17c [ 72.395966][ T5580] loop2: detected capacity change from 0 to 32768 [ 72.396059][ T5582] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.397873][ T5582] gfs2_fill_super+0xdac/0x19e0 [ 72.398605][ T5582] get_tree_bdev+0x358/0x544 [ 72.399282][ T5582] gfs2_get_tree+0x54/0x1b4 [ 72.399945][ T5582] vfs_get_tree+0x90/0x274 [ 72.400612][ T5582] do_new_mount+0x228/0x810 [ 72.401296][ T5582] path_mount+0x5b4/0x1000 [ 72.402010][ T5582] __arm64_sys_mount+0x514/0x5e4 [ 72.402702][ T5582] invoke_syscall+0x98/0x2b8 [ 72.403404][ T5582] el0_svc_common+0x138/0x258 [ 72.404079][ T5582] do_el0_svc+0x58/0x14c [ 72.404704][ T5582] el0_svc+0x78/0x1e0 [ 72.405375][ T5582] el0t_64_sync_handler+0xcc/0xe4 [ 72.406126][ T5582] el0t_64_sync+0x1a0/0x1a4 [ 72.408685][ T5607] loop0: detected capacity change from 0 to 32768 [ 72.410168][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.412009][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.414128][ T5582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.415989][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.416079][ T5582] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.417353][ T5580] CPU: 0 PID: 5580 Comm: syz.2.31 Not tainted syzkaller #0 [ 72.419268][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.420747][ T5580] Call trace: [ 72.421238][ T5580] dump_backtrace+0x0/0x43c [ 72.421892][ T5580] show_stack+0x2c/0x3c [ 72.422474][ T5580] __dump_stack+0x30/0x40 [ 72.423115][ T5580] dump_stack_lvl+0xf8/0x160 [ 72.423817][ T5580] dump_stack+0x1c/0x5c [ 72.424457][ T5580] sysfs_create_dir_ns+0x22c/0x24c [ 72.425336][ T5580] kobject_add_internal+0x590/0xc54 [ 72.426182][ T5580] kobject_init_and_add+0x118/0x17c [ 72.426991][ T5580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.427750][ T5580] gfs2_fill_super+0xdac/0x19e0 [ 72.428574][ T5580] get_tree_bdev+0x358/0x544 [ 72.429322][ T5580] gfs2_get_tree+0x54/0x1b4 [ 72.430046][ T5580] vfs_get_tree+0x90/0x274 [ 72.430745][ T5580] do_new_mount+0x228/0x810 [ 72.431463][ T5580] path_mount+0x5b4/0x1000 [ 72.432214][ T5580] __arm64_sys_mount+0x514/0x5e4 [ 72.432971][ T5580] invoke_syscall+0x98/0x2b8 [ 72.433552][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.433682][ T5580] el0_svc_common+0x138/0x258 [ 72.435525][ T5580] do_el0_svc+0x58/0x14c [ 72.436208][ T5580] el0_svc+0x78/0x1e0 [ 72.436869][ T5580] el0t_64_sync_handler+0xcc/0xe4 [ 72.437619][ T5580] el0t_64_sync+0x1a0/0x1a4 [ 72.438369][ T5607] CPU: 1 PID: 5607 Comm: syz.0.32 Not tainted syzkaller #0 [ 72.439547][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.441071][ T5607] Call trace: [ 72.441514][ T5607] dump_backtrace+0x0/0x43c [ 72.442168][ T5607] show_stack+0x2c/0x3c [ 72.442732][ T5607] __dump_stack+0x30/0x40 [ 72.443376][ T5607] dump_stack_lvl+0xf8/0x160 [ 72.444016][ T5607] dump_stack+0x1c/0x5c [ 72.444578][ T5607] sysfs_create_dir_ns+0x22c/0x24c [ 72.445340][ T5607] kobject_add_internal+0x590/0xc54 [ 72.446156][ T5607] kobject_init_and_add+0x118/0x17c [ 72.446965][ T5607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.447638][ T5607] gfs2_fill_super+0xdac/0x19e0 [ 72.448328][ T5607] get_tree_bdev+0x358/0x544 [ 72.449046][ T5607] gfs2_get_tree+0x54/0x1b4 [ 72.449709][ T5607] vfs_get_tree+0x90/0x274 [ 72.450314][ T5607] do_new_mount+0x228/0x810 [ 72.451010][ T5607] path_mount+0x5b4/0x1000 [ 72.451679][ T5607] __arm64_sys_mount+0x514/0x5e4 [ 72.452407][ T5607] invoke_syscall+0x98/0x2b8 [ 72.453142][ T5607] el0_svc_common+0x138/0x258 [ 72.453894][ T5607] do_el0_svc+0x58/0x14c [ 72.454549][ T5607] el0_svc+0x78/0x1e0 [ 72.455198][ T5607] el0t_64_sync_handler+0xcc/0xe4 [ 72.455959][ T5607] el0t_64_sync+0x1a0/0x1a4 [ 72.469262][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.471506][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.472661][ T5580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.475154][ T5580] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.497977][ T9] team0 (unregistering): Port device team_slave_1 removed [ 72.502141][ T9] team0 (unregistering): Port device team_slave_0 removed [ 72.519839][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 72.598322][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 72.699363][ T5612] loop1: detected capacity change from 0 to 32768 [ 72.739053][ T9] bond0 (unregistering): Released all slaves [ 72.754382][ T5612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.755582][ T5612] CPU: 1 PID: 5612 Comm: syz.1.33 Not tainted syzkaller #0 [ 72.756696][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.758211][ T5612] Call trace: [ 72.758656][ T5612] dump_backtrace+0x0/0x43c [ 72.759371][ T5612] show_stack+0x2c/0x3c [ 72.760040][ T5612] __dump_stack+0x30/0x40 [ 72.760763][ T5612] dump_stack_lvl+0xf8/0x160 [ 72.761444][ T5612] dump_stack+0x1c/0x5c [ 72.762051][ T5612] sysfs_create_dir_ns+0x22c/0x24c [ 72.762825][ T5612] kobject_add_internal+0x590/0xc54 [ 72.763631][ T5612] kobject_init_and_add+0x118/0x17c [ 72.764411][ T5612] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.765121][ T5612] gfs2_fill_super+0xdac/0x19e0 [ 72.765892][ T5612] get_tree_bdev+0x358/0x544 [ 72.766609][ T5612] gfs2_get_tree+0x54/0x1b4 [ 72.767310][ T5612] vfs_get_tree+0x90/0x274 [ 72.768072][ T5612] do_new_mount+0x228/0x810 [ 72.768848][ T5612] path_mount+0x5b4/0x1000 [ 72.769563][ T5612] __arm64_sys_mount+0x514/0x5e4 [ 72.770344][ T5612] invoke_syscall+0x98/0x2b8 [ 72.771086][ T5612] el0_svc_common+0x138/0x258 [ 72.771894][ T5612] do_el0_svc+0x58/0x14c [ 72.772625][ T5612] el0_svc+0x78/0x1e0 [ 72.773307][ T5612] el0t_64_sync_handler+0xcc/0xe4 [ 72.774188][ T5612] el0t_64_sync+0x1a0/0x1a4 [ 72.796865][ T5607] loop0: detected capacity change from 0 to 32768 [ 72.803457][ T5612] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.805540][ T5612] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.842669][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.843972][ T5607] CPU: 1 PID: 5607 Comm: syz.0.32 Not tainted syzkaller #0 [ 72.845012][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.846343][ T5607] Call trace: [ 72.846806][ T5607] dump_backtrace+0x0/0x43c [ 72.847474][ T5607] show_stack+0x2c/0x3c [ 72.848118][ T5607] __dump_stack+0x30/0x40 [ 72.848799][ T5607] dump_stack_lvl+0xf8/0x160 [ 72.849486][ T5607] dump_stack+0x1c/0x5c [ 72.850145][ T5607] sysfs_create_dir_ns+0x22c/0x24c [ 72.850897][ T5607] kobject_add_internal+0x590/0xc54 [ 72.851724][ T5607] kobject_init_and_add+0x118/0x17c [ 72.852529][ T5607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.853240][ T5607] gfs2_fill_super+0xdac/0x19e0 [ 72.854014][ T5607] get_tree_bdev+0x358/0x544 [ 72.854746][ T5607] gfs2_get_tree+0x54/0x1b4 [ 72.855459][ T5607] vfs_get_tree+0x90/0x274 [ 72.856212][ T5607] do_new_mount+0x228/0x810 [ 72.856963][ T5607] path_mount+0x5b4/0x1000 [ 72.857645][ T5607] __arm64_sys_mount+0x514/0x5e4 [ 72.858386][ T5607] invoke_syscall+0x98/0x2b8 [ 72.859081][ T5607] el0_svc_common+0x138/0x258 [ 72.859819][ T5607] do_el0_svc+0x58/0x14c [ 72.860502][ T5607] el0_svc+0x78/0x1e0 [ 72.861159][ T5607] el0t_64_sync_handler+0xcc/0xe4 [ 72.861907][ T5607] el0t_64_sync+0x1a0/0x1a4 [ 72.897594][ T5614] loop4: detected capacity change from 0 to 32768 [ 72.924674][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.934224][ T5616] loop2: detected capacity change from 0 to 32768 [ 72.934531][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.936358][ T5614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.937510][ T5614] CPU: 1 PID: 5614 Comm: syz.4.34 Not tainted syzkaller #0 [ 72.938584][ T5614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.939991][ T5614] Call trace: [ 72.940453][ T5614] dump_backtrace+0x0/0x43c [ 72.941064][ T5614] show_stack+0x2c/0x3c [ 72.941660][ T5614] __dump_stack+0x30/0x40 [ 72.942315][ T5614] dump_stack_lvl+0xf8/0x160 [ 72.942941][ T5614] dump_stack+0x1c/0x5c [ 72.943581][ T5614] sysfs_create_dir_ns+0x22c/0x24c [ 72.944384][ T5614] kobject_add_internal+0x590/0xc54 [ 72.945203][ T5614] kobject_init_and_add+0x118/0x17c [ 72.945990][ T5614] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.946726][ T5614] gfs2_fill_super+0xdac/0x19e0 [ 72.947430][ T5614] get_tree_bdev+0x358/0x544 [ 72.948171][ T5614] gfs2_get_tree+0x54/0x1b4 [ 72.948945][ T5614] vfs_get_tree+0x90/0x274 [ 72.949593][ T5614] do_new_mount+0x228/0x810 [ 72.950336][ T5614] path_mount+0x5b4/0x1000 [ 72.951017][ T5614] __arm64_sys_mount+0x514/0x5e4 [ 72.951762][ T5614] invoke_syscall+0x98/0x2b8 [ 72.952484][ T5614] el0_svc_common+0x138/0x258 [ 72.953262][ T5614] do_el0_svc+0x58/0x14c [ 72.953953][ T5614] el0_svc+0x78/0x1e0 [ 72.954505][ T5614] el0t_64_sync_handler+0xcc/0xe4 [ 72.955318][ T5614] el0t_64_sync+0x1a0/0x1a4 [ 72.963141][ T5614] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.965182][ T5614] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.977715][ T5616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.978797][ T5616] CPU: 0 PID: 5616 Comm: syz.2.35 Not tainted syzkaller #0 [ 72.979902][ T5616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.981448][ T5616] Call trace: [ 72.981956][ T5616] dump_backtrace+0x0/0x43c [ 72.982689][ T5616] show_stack+0x2c/0x3c [ 72.983296][ T5616] __dump_stack+0x30/0x40 [ 72.984058][ T5616] dump_stack_lvl+0xf8/0x160 [ 72.984835][ T5616] dump_stack+0x1c/0x5c [ 72.985526][ T5616] sysfs_create_dir_ns+0x22c/0x24c [ 72.986342][ T5616] kobject_add_internal+0x590/0xc54 [ 72.987179][ T5616] kobject_init_and_add+0x118/0x17c [ 72.987953][ T5616] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.988683][ T5616] gfs2_fill_super+0xdac/0x19e0 [ 72.989413][ T5616] get_tree_bdev+0x358/0x544 [ 72.990119][ T5616] gfs2_get_tree+0x54/0x1b4 [ 72.990835][ T5616] vfs_get_tree+0x90/0x274 [ 72.991555][ T5616] do_new_mount+0x228/0x810 [ 72.992228][ T5616] path_mount+0x5b4/0x1000 [ 72.992889][ T5616] __arm64_sys_mount+0x514/0x5e4 [ 72.993656][ T5616] invoke_syscall+0x98/0x2b8 [ 72.994363][ T5616] el0_svc_common+0x138/0x258 [ 72.995045][ T5616] do_el0_svc+0x58/0x14c [ 72.995688][ T5616] el0_svc+0x78/0x1e0 [ 72.996347][ T5616] el0t_64_sync_handler+0xcc/0xe4 [ 72.997171][ T5616] el0t_64_sync+0x1a0/0x1a4 [ 73.009545][ T5612] loop1: detected capacity change from 0 to 32768 [ 73.012765][ T5612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.023237][ T5616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.023674][ T5612] CPU: 1 PID: 5612 Comm: syz.1.33 Not tainted syzkaller #0 [ 73.026540][ T5616] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.026595][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.029143][ T5612] Call trace: [ 73.029672][ T5612] dump_backtrace+0x0/0x43c [ 73.030489][ T5612] show_stack+0x2c/0x3c [ 73.031180][ T5612] __dump_stack+0x30/0x40 [ 73.031882][ T5612] dump_stack_lvl+0xf8/0x160 [ 73.032636][ T5612] dump_stack+0x1c/0x5c [ 73.033324][ T5612] sysfs_create_dir_ns+0x22c/0x24c [ 73.034181][ T5612] kobject_add_internal+0x590/0xc54 [ 73.035027][ T5612] kobject_init_and_add+0x118/0x17c [ 73.035912][ T5612] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.036725][ T5612] gfs2_fill_super+0xdac/0x19e0 [ 73.037525][ T5612] get_tree_bdev+0x358/0x544 [ 73.038289][ T5612] gfs2_get_tree+0x54/0x1b4 [ 73.038983][ T5612] vfs_get_tree+0x90/0x274 [ 73.039677][ T5612] do_new_mount+0x228/0x810 [ 73.040380][ T5612] path_mount+0x5b4/0x1000 [ 73.041055][ T5612] __arm64_sys_mount+0x514/0x5e4 [ 73.041903][ T5612] invoke_syscall+0x98/0x2b8 [ 73.042646][ T5612] el0_svc_common+0x138/0x258 [ 73.043417][ T5612] do_el0_svc+0x58/0x14c [ 73.044119][ T5612] el0_svc+0x78/0x1e0 [ 73.044746][ T5612] el0t_64_sync_handler+0xcc/0xe4 [ 73.045523][ T5612] el0t_64_sync+0x1a0/0x1a4 [ 73.093282][ T5612] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.095486][ T5612] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:13 executed programs: 31 [ 73.237798][ T5616] loop2: detected capacity change from 0 to 32768 [ 73.295578][ T5616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.296803][ T5616] CPU: 0 PID: 5616 Comm: syz.2.35 Not tainted syzkaller #0 [ 73.297935][ T5616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.299524][ T5616] Call trace: [ 73.300040][ T5616] dump_backtrace+0x0/0x43c [ 73.300773][ T5616] show_stack+0x2c/0x3c [ 73.301456][ T5616] __dump_stack+0x30/0x40 [ 73.302189][ T5616] dump_stack_lvl+0xf8/0x160 [ 73.302905][ T5616] dump_stack+0x1c/0x5c [ 73.303590][ T5616] sysfs_create_dir_ns+0x22c/0x24c [ 73.303830][ T5614] loop4: detected capacity change from 0 to 32768 [ 73.304432][ T5616] kobject_add_internal+0x590/0xc54 [ 73.306301][ T5616] kobject_init_and_add+0x118/0x17c [ 73.307171][ T5616] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.307855][ T5616] gfs2_fill_super+0xdac/0x19e0 [ 73.308581][ T5616] get_tree_bdev+0x358/0x544 [ 73.309333][ T5616] gfs2_get_tree+0x54/0x1b4 [ 73.310032][ T5616] vfs_get_tree+0x90/0x274 [ 73.310797][ T5616] do_new_mount+0x228/0x810 [ 73.311519][ T5616] path_mount+0x5b4/0x1000 [ 73.312239][ T5616] __arm64_sys_mount+0x514/0x5e4 [ 73.313009][ T5616] invoke_syscall+0x98/0x2b8 [ 73.313710][ T5616] el0_svc_common+0x138/0x258 [ 73.314415][ T5616] do_el0_svc+0x58/0x14c [ 73.315074][ T5616] el0_svc+0x78/0x1e0 [ 73.315743][ T5616] el0t_64_sync_handler+0xcc/0xe4 [ 73.316545][ T5616] el0t_64_sync+0x1a0/0x1a4 [ 73.316678][ T5619] loop0: detected capacity change from 0 to 32768 [ 73.332839][ T5616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.337200][ T5616] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.355530][ T5614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.356727][ T5614] CPU: 1 PID: 5614 Comm: syz.4.34 Not tainted syzkaller #0 [ 73.357825][ T5614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.359294][ T5614] Call trace: [ 73.359772][ T5614] dump_backtrace+0x0/0x43c [ 73.360473][ T5614] show_stack+0x2c/0x3c [ 73.361168][ T5614] __dump_stack+0x30/0x40 [ 73.361849][ T5614] dump_stack_lvl+0xf8/0x160 [ 73.362577][ T5614] dump_stack+0x1c/0x5c [ 73.362871][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.363263][ T5614] sysfs_create_dir_ns+0x22c/0x24c [ 73.363281][ T5614] kobject_add_internal+0x590/0xc54 [ 73.363290][ T5614] kobject_init_and_add+0x118/0x17c [ 73.363297][ T5614] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.363304][ T5614] gfs2_fill_super+0xdac/0x19e0 [ 73.363309][ T5614] get_tree_bdev+0x358/0x544 [ 73.363314][ T5614] gfs2_get_tree+0x54/0x1b4 [ 73.363319][ T5614] vfs_get_tree+0x90/0x274 [ 73.363323][ T5614] do_new_mount+0x228/0x810 [ 73.363327][ T5614] path_mount+0x5b4/0x1000 [ 73.371604][ T5614] __arm64_sys_mount+0x514/0x5e4 [ 73.372439][ T5614] invoke_syscall+0x98/0x2b8 [ 73.373171][ T5614] el0_svc_common+0x138/0x258 [ 73.373889][ T5614] do_el0_svc+0x58/0x14c [ 73.374509][ T5614] el0_svc+0x78/0x1e0 [ 73.375127][ T5614] el0t_64_sync_handler+0xcc/0xe4 [ 73.375885][ T5614] el0t_64_sync+0x1a0/0x1a4 [ 73.385665][ T5619] CPU: 0 PID: 5619 Comm: syz.0.36 Not tainted syzkaller #0 [ 73.386782][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.388226][ T5619] Call trace: [ 73.388486][ T5621] loop1: detected capacity change from 0 to 32768 [ 73.388743][ T5619] dump_backtrace+0x0/0x43c [ 73.390548][ T5619] show_stack+0x2c/0x3c [ 73.391217][ T5619] __dump_stack+0x30/0x40 [ 73.391902][ T5619] dump_stack_lvl+0xf8/0x160 [ 73.392638][ T5619] dump_stack+0x1c/0x5c [ 73.393346][ T5619] sysfs_create_dir_ns+0x22c/0x24c [ 73.394213][ T5619] kobject_add_internal+0x590/0xc54 [ 73.395096][ T5619] kobject_init_and_add+0x118/0x17c [ 73.395722][ T5614] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.395972][ T5619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.398041][ T5614] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.398703][ T5619] gfs2_fill_super+0xdac/0x19e0 [ 73.400421][ T5619] get_tree_bdev+0x358/0x544 [ 73.401181][ T5619] gfs2_get_tree+0x54/0x1b4 [ 73.401911][ T5619] vfs_get_tree+0x90/0x274 [ 73.402641][ T5619] do_new_mount+0x228/0x810 [ 73.403389][ T5619] path_mount+0x5b4/0x1000 [ 73.404100][ T5619] __arm64_sys_mount+0x514/0x5e4 [ 73.404946][ T5619] invoke_syscall+0x98/0x2b8 [ 73.405475][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.405734][ T5619] el0_svc_common+0x138/0x258 [ 73.407739][ T5619] do_el0_svc+0x58/0x14c [ 73.408452][ T5619] el0_svc+0x78/0x1e0 [ 73.409155][ T5619] el0t_64_sync_handler+0xcc/0xe4 [ 73.409951][ T5619] el0t_64_sync+0x1a0/0x1a4 [ 73.410709][ T5621] CPU: 1 PID: 5621 Comm: syz.1.37 Not tainted syzkaller #0 [ 73.411829][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.413407][ T5621] Call trace: [ 73.413928][ T5621] dump_backtrace+0x0/0x43c [ 73.414701][ T5621] show_stack+0x2c/0x3c [ 73.415221][ T5619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.415405][ T5621] __dump_stack+0x30/0x40 [ 73.417568][ T5619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.418218][ T5621] dump_stack_lvl+0xf8/0x160 [ 73.419873][ T5621] dump_stack+0x1c/0x5c [ 73.420519][ T5621] sysfs_create_dir_ns+0x22c/0x24c [ 73.421304][ T5621] kobject_add_internal+0x590/0xc54 [ 73.422024][ T5621] kobject_init_and_add+0x118/0x17c [ 73.422781][ T5621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.423483][ T5621] gfs2_fill_super+0xdac/0x19e0 [ 73.424278][ T5621] get_tree_bdev+0x358/0x544 [ 73.424966][ T5621] gfs2_get_tree+0x54/0x1b4 [ 73.425628][ T5621] vfs_get_tree+0x90/0x274 [ 73.426277][ T5621] do_new_mount+0x228/0x810 [ 73.426958][ T5621] path_mount+0x5b4/0x1000 [ 73.427608][ T5621] __arm64_sys_mount+0x514/0x5e4 [ 73.428422][ T5621] invoke_syscall+0x98/0x2b8 [ 73.429089][ T5621] el0_svc_common+0x138/0x258 [ 73.429769][ T5621] do_el0_svc+0x58/0x14c [ 73.430439][ T5621] el0_svc+0x78/0x1e0 [ 73.431001][ T5621] el0t_64_sync_handler+0xcc/0xe4 [ 73.431790][ T5621] el0t_64_sync+0x1a0/0x1a4 [ 73.469782][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.471866][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.651560][ T5619] loop0: detected capacity change from 0 to 32768 [ 73.678312][ T5623] loop4: detected capacity change from 0 to 32768 [ 73.706250][ T5621] loop1: detected capacity change from 0 to 32768 [ 73.716775][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.717902][ T5619] CPU: 0 PID: 5619 Comm: syz.0.36 Not tainted syzkaller #0 [ 73.719029][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.720494][ T5619] Call trace: [ 73.721023][ T5619] dump_backtrace+0x0/0x43c [ 73.721683][ T5619] show_stack+0x2c/0x3c [ 73.722364][ T5619] __dump_stack+0x30/0x40 [ 73.723052][ T5619] dump_stack_lvl+0xf8/0x160 [ 73.723815][ T5619] dump_stack+0x1c/0x5c [ 73.724485][ T5619] sysfs_create_dir_ns+0x22c/0x24c [ 73.725294][ T5619] kobject_add_internal+0x590/0xc54 [ 73.726100][ T5619] kobject_init_and_add+0x118/0x17c [ 73.726928][ T5619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.727669][ T5619] gfs2_fill_super+0xdac/0x19e0 [ 73.728440][ T5619] get_tree_bdev+0x358/0x544 [ 73.729126][ T5619] gfs2_get_tree+0x54/0x1b4 [ 73.729816][ T5619] vfs_get_tree+0x90/0x274 [ 73.730566][ T5619] do_new_mount+0x228/0x810 [ 73.731271][ T5619] path_mount+0x5b4/0x1000 [ 73.732012][ T5619] __arm64_sys_mount+0x514/0x5e4 [ 73.732853][ T5619] invoke_syscall+0x98/0x2b8 [ 73.733570][ T5619] el0_svc_common+0x138/0x258 [ 73.734300][ T5619] do_el0_svc+0x58/0x14c [ 73.734907][ T5619] el0_svc+0x78/0x1e0 [ 73.735488][ T5619] el0t_64_sync_handler+0xcc/0xe4 [ 73.736258][ T5619] el0t_64_sync+0x1a0/0x1a4 [ 73.739081][ T5625] loop2: detected capacity change from 0 to 32768 [ 73.740857][ T5619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.744062][ T5619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.746982][ T5623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.748194][ T5623] CPU: 0 PID: 5623 Comm: syz.4.38 Not tainted syzkaller #0 [ 73.749376][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.750922][ T5623] Call trace: [ 73.751408][ T5623] dump_backtrace+0x0/0x43c [ 73.752099][ T5623] show_stack+0x2c/0x3c [ 73.752758][ T5623] __dump_stack+0x30/0x40 [ 73.753382][ T5623] dump_stack_lvl+0xf8/0x160 [ 73.754153][ T5623] dump_stack+0x1c/0x5c [ 73.754835][ T5623] sysfs_create_dir_ns+0x22c/0x24c [ 73.755728][ T5623] kobject_add_internal+0x590/0xc54 [ 73.756570][ T5623] kobject_init_and_add+0x118/0x17c [ 73.757342][ T5623] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.758076][ T5623] gfs2_fill_super+0xdac/0x19e0 [ 73.758806][ T5623] get_tree_bdev+0x358/0x544 [ 73.759492][ T5623] gfs2_get_tree+0x54/0x1b4 [ 73.760152][ T5623] vfs_get_tree+0x90/0x274 [ 73.760900][ T5623] do_new_mount+0x228/0x810 [ 73.761640][ T5623] path_mount+0x5b4/0x1000 [ 73.762358][ T5623] __arm64_sys_mount+0x514/0x5e4 [ 73.763102][ T5623] invoke_syscall+0x98/0x2b8 [ 73.763825][ T5623] el0_svc_common+0x138/0x258 [ 73.764613][ T5623] do_el0_svc+0x58/0x14c [ 73.765251][ T5623] el0_svc+0x78/0x1e0 [ 73.765886][ T5623] el0t_64_sync_handler+0xcc/0xe4 [ 73.766685][ T5623] el0t_64_sync+0x1a0/0x1a4 [ 73.769742][ T5623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.771725][ T5623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.777405][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.778638][ T5621] CPU: 1 PID: 5621 Comm: syz.1.37 Not tainted syzkaller #0 [ 73.779705][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.781226][ T5621] Call trace: [ 73.781749][ T5621] dump_backtrace+0x0/0x43c [ 73.782477][ T5621] show_stack+0x2c/0x3c [ 73.783160][ T5621] __dump_stack+0x30/0x40 [ 73.783888][ T5621] dump_stack_lvl+0xf8/0x160 [ 73.784667][ T5621] dump_stack+0x1c/0x5c [ 73.785378][ T5621] sysfs_create_dir_ns+0x22c/0x24c [ 73.786233][ T5621] kobject_add_internal+0x590/0xc54 [ 73.787052][ T5621] kobject_init_and_add+0x118/0x17c [ 73.787877][ T5621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.788632][ T5621] gfs2_fill_super+0xdac/0x19e0 [ 73.789354][ T5621] get_tree_bdev+0x358/0x544 [ 73.789975][ T5621] gfs2_get_tree+0x54/0x1b4 [ 73.790633][ T5621] vfs_get_tree+0x90/0x274 [ 73.791353][ T5621] do_new_mount+0x228/0x810 [ 73.792095][ T5621] path_mount+0x5b4/0x1000 [ 73.792831][ T5621] __arm64_sys_mount+0x514/0x5e4 [ 73.793619][ T5621] invoke_syscall+0x98/0x2b8 [ 73.794313][ T5621] el0_svc_common+0x138/0x258 [ 73.795035][ T5621] do_el0_svc+0x58/0x14c [ 73.795705][ T5621] el0_svc+0x78/0x1e0 [ 73.796294][ T5621] el0t_64_sync_handler+0xcc/0xe4 [ 73.797127][ T5621] el0t_64_sync+0x1a0/0x1a4 [ 73.798127][ T5625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.799212][ T5625] CPU: 1 PID: 5625 Comm: syz.2.39 Not tainted syzkaller #0 [ 73.800273][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.801747][ T5625] Call trace: [ 73.802250][ T5625] dump_backtrace+0x0/0x43c [ 73.802872][ T5625] show_stack+0x2c/0x3c [ 73.803539][ T5625] __dump_stack+0x30/0x40 [ 73.804265][ T5625] dump_stack_lvl+0xf8/0x160 [ 73.804985][ T5625] dump_stack+0x1c/0x5c [ 73.805611][ T5625] sysfs_create_dir_ns+0x22c/0x24c [ 73.806330][ T5625] kobject_add_internal+0x590/0xc54 [ 73.807158][ T5625] kobject_init_and_add+0x118/0x17c [ 73.808006][ T5625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.808740][ T5625] gfs2_fill_super+0xdac/0x19e0 [ 73.809488][ T5625] get_tree_bdev+0x358/0x544 [ 73.810214][ T5625] gfs2_get_tree+0x54/0x1b4 [ 73.810885][ T5625] vfs_get_tree+0x90/0x274 [ 73.811566][ T5625] do_new_mount+0x228/0x810 [ 73.812253][ T5625] path_mount+0x5b4/0x1000 [ 73.812941][ T5625] __arm64_sys_mount+0x514/0x5e4 [ 73.813757][ T5625] invoke_syscall+0x98/0x2b8 [ 73.814439][ T5625] el0_svc_common+0x138/0x258 [ 73.815112][ T5625] do_el0_svc+0x58/0x14c [ 73.815769][ T5625] el0_svc+0x78/0x1e0 [ 73.816375][ T5625] el0t_64_sync_handler+0xcc/0xe4 [ 73.817112][ T5625] el0t_64_sync+0x1a0/0x1a4 [ 73.833907][ T5625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.835840][ T5625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.836866][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.840131][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.056154][ T5628] loop0: detected capacity change from 0 to 32768 [ 74.056647][ T5631] loop1: detected capacity change from 0 to 32768 [ 74.060155][ T5623] loop4: detected capacity change from 0 to 32768 [ 74.062502][ T5623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.063782][ T5623] CPU: 0 PID: 5623 Comm: syz.4.38 Not tainted syzkaller #0 [ 74.064884][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.066417][ T5623] Call trace: [ 74.066861][ T5623] dump_backtrace+0x0/0x43c [ 74.067488][ T5623] show_stack+0x2c/0x3c [ 74.068061][ T5623] __dump_stack+0x30/0x40 [ 74.068674][ T5623] dump_stack_lvl+0xf8/0x160 [ 74.069334][ T5623] dump_stack+0x1c/0x5c [ 74.069974][ T5623] sysfs_create_dir_ns+0x22c/0x24c [ 74.070302][ T5631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.070810][ T5623] kobject_add_internal+0x590/0xc54 [ 74.072873][ T5623] kobject_init_and_add+0x118/0x17c [ 74.073673][ T5623] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.074478][ T5623] gfs2_fill_super+0xdac/0x19e0 [ 74.075313][ T5623] get_tree_bdev+0x358/0x544 [ 74.076086][ T5623] gfs2_get_tree+0x54/0x1b4 [ 74.076773][ T5623] vfs_get_tree+0x90/0x274 [ 74.077487][ T5623] do_new_mount+0x228/0x810 [ 74.078203][ T5623] path_mount+0x5b4/0x1000 [ 74.078869][ T5623] __arm64_sys_mount+0x514/0x5e4 [ 74.079711][ T5623] invoke_syscall+0x98/0x2b8 [ 74.080471][ T5623] el0_svc_common+0x138/0x258 [ 74.081276][ T5623] do_el0_svc+0x58/0x14c [ 74.082000][ T5623] el0_svc+0x78/0x1e0 [ 74.082619][ T5623] el0t_64_sync_handler+0xcc/0xe4 [ 74.083475][ T5623] el0t_64_sync+0x1a0/0x1a4 [ 74.092095][ T5631] CPU: 1 PID: 5631 Comm: syz.1.41 Not tainted syzkaller #0 [ 74.093249][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.094779][ T5631] Call trace: [ 74.095319][ T5631] dump_backtrace+0x0/0x43c [ 74.096033][ T5631] show_stack+0x2c/0x3c [ 74.096678][ T5631] __dump_stack+0x30/0x40 [ 74.097430][ T5631] dump_stack_lvl+0xf8/0x160 [ 74.098149][ T5631] dump_stack+0x1c/0x5c [ 74.098803][ T5623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.098840][ T5631] sysfs_create_dir_ns+0x22c/0x24c [ 74.100840][ T5623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.101622][ T5631] kobject_add_internal+0x590/0xc54 [ 74.103290][ T5631] kobject_init_and_add+0x118/0x17c [ 74.104086][ T5631] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.104856][ T5631] gfs2_fill_super+0xdac/0x19e0 [ 74.105583][ T5631] get_tree_bdev+0x358/0x544 [ 74.106290][ T5631] gfs2_get_tree+0x54/0x1b4 [ 74.106962][ T5631] vfs_get_tree+0x90/0x274 [ 74.107616][ T5631] do_new_mount+0x228/0x810 [ 74.108321][ T5631] path_mount+0x5b4/0x1000 [ 74.109001][ T5631] __arm64_sys_mount+0x514/0x5e4 [ 74.109775][ T5631] invoke_syscall+0x98/0x2b8 [ 74.110488][ T5631] el0_svc_common+0x138/0x258 [ 74.111216][ T5631] do_el0_svc+0x58/0x14c [ 74.111877][ T5631] el0_svc+0x78/0x1e0 [ 74.112477][ T5631] el0t_64_sync_handler+0xcc/0xe4 [ 74.113199][ T5631] el0t_64_sync+0x1a0/0x1a4 [ 74.124353][ T5628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.125539][ T5628] CPU: 0 PID: 5628 Comm: syz.0.40 Not tainted syzkaller #0 [ 74.126626][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.128224][ T5628] Call trace: [ 74.128730][ T5628] dump_backtrace+0x0/0x43c [ 74.129409][ T5628] show_stack+0x2c/0x3c [ 74.130032][ T5628] __dump_stack+0x30/0x40 [ 74.130684][ T5628] dump_stack_lvl+0xf8/0x160 [ 74.131381][ T5628] dump_stack+0x1c/0x5c [ 74.132021][ T5628] sysfs_create_dir_ns+0x22c/0x24c [ 74.132790][ T5628] kobject_add_internal+0x590/0xc54 [ 74.133609][ T5628] kobject_init_and_add+0x118/0x17c [ 74.134419][ T5628] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.135159][ T5628] gfs2_fill_super+0xdac/0x19e0 [ 74.135903][ T5628] get_tree_bdev+0x358/0x544 [ 74.136550][ T5628] gfs2_get_tree+0x54/0x1b4 [ 74.137208][ T5628] vfs_get_tree+0x90/0x274 [ 74.137899][ T5628] do_new_mount+0x228/0x810 [ 74.138539][ T5628] path_mount+0x5b4/0x1000 [ 74.139215][ T5628] __arm64_sys_mount+0x514/0x5e4 [ 74.140005][ T5628] invoke_syscall+0x98/0x2b8 [ 74.140747][ T5628] el0_svc_common+0x138/0x258 [ 74.141481][ T5628] do_el0_svc+0x58/0x14c [ 74.142192][ T5628] el0_svc+0x78/0x1e0 [ 74.142875][ T5628] el0t_64_sync_handler+0xcc/0xe4 [ 74.143710][ T5628] el0t_64_sync+0x1a0/0x1a4 [ 74.143976][ T5631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.148113][ T5631] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.177871][ T5628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.178805][ T5625] loop2: detected capacity change from 0 to 32768 [ 74.179941][ T5628] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.223873][ T5625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.225050][ T5625] CPU: 1 PID: 5625 Comm: syz.2.39 Not tainted syzkaller #0 [ 74.226126][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.227559][ T5625] Call trace: [ 74.228110][ T5625] dump_backtrace+0x0/0x43c [ 74.228742][ T5625] show_stack+0x2c/0x3c [ 74.229373][ T5625] __dump_stack+0x30/0x40 [ 74.230043][ T5625] dump_stack_lvl+0xf8/0x160 [ 74.230773][ T5625] dump_stack+0x1c/0x5c [ 74.231415][ T5625] sysfs_create_dir_ns+0x22c/0x24c [ 74.232208][ T5625] kobject_add_internal+0x590/0xc54 [ 74.232978][ T5625] kobject_init_and_add+0x118/0x17c [ 74.233777][ T5625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.234510][ T5625] gfs2_fill_super+0xdac/0x19e0 [ 74.235236][ T5625] get_tree_bdev+0x358/0x544 [ 74.235963][ T5625] gfs2_get_tree+0x54/0x1b4 [ 74.236681][ T5625] vfs_get_tree+0x90/0x274 [ 74.237437][ T5625] do_new_mount+0x228/0x810 [ 74.238204][ T5625] path_mount+0x5b4/0x1000 [ 74.238880][ T5625] __arm64_sys_mount+0x514/0x5e4 [ 74.239665][ T5625] invoke_syscall+0x98/0x2b8 [ 74.240380][ T5625] el0_svc_common+0x138/0x258 [ 74.241043][ T5625] do_el0_svc+0x58/0x14c [ 74.241753][ T5625] el0_svc+0x78/0x1e0 [ 74.242408][ T5625] el0t_64_sync_handler+0xcc/0xe4 [ 74.243242][ T5625] el0t_64_sync+0x1a0/0x1a4 [ 74.273113][ T5625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.282797][ T5625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.409527][ T5633] loop4: detected capacity change from 0 to 32768 [ 74.429197][ T5631] loop1: detected capacity change from 0 to 32768 [ 74.443879][ T5633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.445059][ T5633] CPU: 0 PID: 5633 Comm: syz.4.42 Not tainted syzkaller #0 [ 74.446160][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.447576][ T5633] Call trace: [ 74.448004][ T5633] dump_backtrace+0x0/0x43c [ 74.448696][ T5633] show_stack+0x2c/0x3c [ 74.449330][ T5633] __dump_stack+0x30/0x40 [ 74.450004][ T5633] dump_stack_lvl+0xf8/0x160 [ 74.450683][ T5633] dump_stack+0x1c/0x5c [ 74.451278][ T5633] sysfs_create_dir_ns+0x22c/0x24c [ 74.452088][ T5633] kobject_add_internal+0x590/0xc54 [ 74.452857][ T5633] kobject_init_and_add+0x118/0x17c [ 74.453676][ T5633] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.454430][ T5633] gfs2_fill_super+0xdac/0x19e0 [ 74.455232][ T5633] get_tree_bdev+0x358/0x544 [ 74.455982][ T5633] gfs2_get_tree+0x54/0x1b4 [ 74.456673][ T5633] vfs_get_tree+0x90/0x274 [ 74.457339][ T5633] do_new_mount+0x228/0x810 [ 74.458034][ T5633] path_mount+0x5b4/0x1000 [ 74.458676][ T5633] __arm64_sys_mount+0x514/0x5e4 [ 74.459485][ T5633] invoke_syscall+0x98/0x2b8 [ 74.460138][ T5633] el0_svc_common+0x138/0x258 [ 74.460883][ T5633] do_el0_svc+0x58/0x14c [ 74.461473][ T5633] el0_svc+0x78/0x1e0 [ 74.462080][ T5633] el0t_64_sync_handler+0xcc/0xe4 [ 74.462867][ T5633] el0t_64_sync+0x1a0/0x1a4 [ 74.470908][ T5628] loop0: detected capacity change from 0 to 32768 [ 74.484057][ T5631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.485280][ T5631] CPU: 1 PID: 5631 Comm: syz.1.41 Not tainted syzkaller #0 [ 74.486506][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.488176][ T5631] Call trace: [ 74.488723][ T5631] dump_backtrace+0x0/0x43c [ 74.489075][ T5633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.489506][ T5631] show_stack+0x2c/0x3c [ 74.491588][ T5633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.492250][ T5631] __dump_stack+0x30/0x40 [ 74.494001][ T5631] dump_stack_lvl+0xf8/0x160 [ 74.494688][ T5631] dump_stack+0x1c/0x5c [ 74.495307][ T5631] sysfs_create_dir_ns+0x22c/0x24c [ 74.496046][ T5631] kobject_add_internal+0x590/0xc54 [ 74.496855][ T5631] kobject_init_and_add+0x118/0x17c [ 74.497614][ T5631] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.498318][ T5631] gfs2_fill_super+0xdac/0x19e0 [ 74.499093][ T5631] get_tree_bdev+0x358/0x544 [ 74.499781][ T5631] gfs2_get_tree+0x54/0x1b4 [ 74.500415][ T5631] vfs_get_tree+0x90/0x274 [ 74.501124][ T5631] do_new_mount+0x228/0x810 [ 74.501844][ T5631] path_mount+0x5b4/0x1000 [ 74.502511][ T5631] __arm64_sys_mount+0x514/0x5e4 [ 74.503232][ T5631] invoke_syscall+0x98/0x2b8 [ 74.503875][ T5631] el0_svc_common+0x138/0x258 [ 74.504609][ T5631] do_el0_svc+0x58/0x14c [ 74.505202][ T5631] el0_svc+0x78/0x1e0 [ 74.505823][ T5631] el0t_64_sync_handler+0xcc/0xe4 [ 74.506577][ T5631] el0t_64_sync+0x1a0/0x1a4 [ 74.533680][ T5628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.534760][ T5628] CPU: 0 PID: 5628 Comm: syz.0.40 Not tainted syzkaller #0 [ 74.535782][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.537349][ T5628] Call trace: [ 74.537861][ T5628] dump_backtrace+0x0/0x43c [ 74.538596][ T5628] show_stack+0x2c/0x3c [ 74.539275][ T5628] __dump_stack+0x30/0x40 [ 74.540027][ T5628] dump_stack_lvl+0xf8/0x160 [ 74.540746][ T5628] dump_stack+0x1c/0x5c [ 74.541434][ T5628] sysfs_create_dir_ns+0x22c/0x24c [ 74.542329][ T5628] kobject_add_internal+0x590/0xc54 [ 74.543183][ T5628] kobject_init_and_add+0x118/0x17c [ 74.544060][ T5628] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.544832][ T5628] gfs2_fill_super+0xdac/0x19e0 [ 74.545553][ T5628] get_tree_bdev+0x358/0x544 [ 74.546337][ T5628] gfs2_get_tree+0x54/0x1b4 [ 74.547114][ T5628] vfs_get_tree+0x90/0x274 [ 74.547869][ T5628] do_new_mount+0x228/0x810 [ 74.548313][ T5631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.548609][ T5628] path_mount+0x5b4/0x1000 [ 74.550725][ T5631] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.551453][ T5628] __arm64_sys_mount+0x514/0x5e4 [ 74.553180][ T5628] invoke_syscall+0x98/0x2b8 [ 74.553964][ T5628] el0_svc_common+0x138/0x258 [ 74.554742][ T5628] do_el0_svc+0x58/0x14c [ 74.555453][ T5628] el0_svc+0x78/0x1e0 [ 74.556139][ T5628] el0t_64_sync_handler+0xcc/0xe4 [ 74.556922][ T5628] el0t_64_sync+0x1a0/0x1a4 [ 74.566088][ T5636] loop2: detected capacity change from 0 to 32768 [ 74.573840][ T5628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.575964][ T5628] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.599737][ T5636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.600910][ T5636] CPU: 1 PID: 5636 Comm: syz.2.43 Not tainted syzkaller #0 [ 74.602093][ T5636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.603650][ T5636] Call trace: [ 74.604156][ T5636] dump_backtrace+0x0/0x43c [ 74.604850][ T5636] show_stack+0x2c/0x3c [ 74.605449][ T5636] __dump_stack+0x30/0x40 [ 74.606061][ T5636] dump_stack_lvl+0xf8/0x160 [ 74.606744][ T5636] dump_stack+0x1c/0x5c [ 74.607323][ T5636] sysfs_create_dir_ns+0x22c/0x24c [ 74.608111][ T5636] kobject_add_internal+0x590/0xc54 [ 74.608904][ T5636] kobject_init_and_add+0x118/0x17c [ 74.609642][ T5636] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.610321][ T5636] gfs2_fill_super+0xdac/0x19e0 [ 74.611031][ T5636] get_tree_bdev+0x358/0x544 [ 74.611733][ T5636] gfs2_get_tree+0x54/0x1b4 [ 74.612409][ T5636] vfs_get_tree+0x90/0x274 [ 74.613085][ T5636] do_new_mount+0x228/0x810 [ 74.613789][ T5636] path_mount+0x5b4/0x1000 [ 74.614444][ T5636] __arm64_sys_mount+0x514/0x5e4 [ 74.615263][ T5636] invoke_syscall+0x98/0x2b8 [ 74.615951][ T5636] el0_svc_common+0x138/0x258 [ 74.616692][ T5636] do_el0_svc+0x58/0x14c [ 74.617360][ T5636] el0_svc+0x78/0x1e0 [ 74.617978][ T5636] el0t_64_sync_handler+0xcc/0xe4 [ 74.618718][ T5636] el0t_64_sync+0x1a0/0x1a4 [ 74.671905][ T5636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.674026][ T5636] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.729168][ T5633] loop4: detected capacity change from 0 to 32768 [ 74.766503][ T5633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.767776][ T5633] CPU: 0 PID: 5633 Comm: syz.4.42 Not tainted syzkaller #0 [ 74.768822][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.770239][ T5633] Call trace: [ 74.770680][ T5633] dump_backtrace+0x0/0x43c [ 74.771431][ T5633] show_stack+0x2c/0x3c [ 74.772098][ T5633] __dump_stack+0x30/0x40 [ 74.772812][ T5633] dump_stack_lvl+0xf8/0x160 [ 74.773589][ T5633] dump_stack+0x1c/0x5c [ 74.774245][ T5633] sysfs_create_dir_ns+0x22c/0x24c [ 74.775042][ T5633] kobject_add_internal+0x590/0xc54 [ 74.775857][ T5633] kobject_init_and_add+0x118/0x17c [ 74.776760][ T5633] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.777504][ T5633] gfs2_fill_super+0xdac/0x19e0 [ 74.778304][ T5633] get_tree_bdev+0x358/0x544 [ 74.779006][ T5633] gfs2_get_tree+0x54/0x1b4 [ 74.779710][ T5633] vfs_get_tree+0x90/0x274 [ 74.780433][ T5633] do_new_mount+0x228/0x810 [ 74.781136][ T5633] path_mount+0x5b4/0x1000 [ 74.781905][ T5633] __arm64_sys_mount+0x514/0x5e4 [ 74.782748][ T5633] invoke_syscall+0x98/0x2b8 [ 74.783520][ T5633] el0_svc_common+0x138/0x258 [ 74.784306][ T5633] do_el0_svc+0x58/0x14c [ 74.785037][ T5633] el0_svc+0x78/0x1e0 [ 74.785699][ T5633] el0t_64_sync_handler+0xcc/0xe4 [ 74.786493][ T5633] el0t_64_sync+0x1a0/0x1a4 [ 74.815365][ T5633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.817356][ T5633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.887672][ T5638] loop0: detected capacity change from 0 to 32768 [ 74.892674][ T5638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.901028][ T5638] CPU: 0 PID: 5638 Comm: syz.0.44 Not tainted syzkaller #0 [ 74.902045][ T5638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.903580][ T5638] Call trace: [ 74.904095][ T5638] dump_backtrace+0x0/0x43c [ 74.904805][ T5638] show_stack+0x2c/0x3c [ 74.905411][ T5638] __dump_stack+0x30/0x40 [ 74.906050][ T5638] dump_stack_lvl+0xf8/0x160 [ 74.906708][ T5638] dump_stack+0x1c/0x5c [ 74.907314][ T5638] sysfs_create_dir_ns+0x22c/0x24c [ 74.908112][ T5638] kobject_add_internal+0x590/0xc54 [ 74.908903][ T5638] kobject_init_and_add+0x118/0x17c [ 74.909757][ T5638] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.910526][ T5638] gfs2_fill_super+0xdac/0x19e0 [ 74.911276][ T5638] get_tree_bdev+0x358/0x544 [ 74.911978][ T5638] gfs2_get_tree+0x54/0x1b4 [ 74.912646][ T5638] vfs_get_tree+0x90/0x274 [ 74.913346][ T5638] do_new_mount+0x228/0x810 [ 74.914074][ T5638] path_mount+0x5b4/0x1000 [ 74.914771][ T5638] __arm64_sys_mount+0x514/0x5e4 [ 74.915451][ T5638] invoke_syscall+0x98/0x2b8 [ 74.916090][ T5638] el0_svc_common+0x138/0x258 [ 74.916790][ T5638] do_el0_svc+0x58/0x14c [ 74.917415][ T5638] el0_svc+0x78/0x1e0 [ 74.918018][ T5638] el0t_64_sync_handler+0xcc/0xe4 [ 74.918802][ T5638] el0t_64_sync+0x1a0/0x1a4 [ 74.938883][ T5640] loop1: detected capacity change from 0 to 32768 [ 74.942284][ T5636] loop2: detected capacity change from 0 to 32768 [ 74.943453][ T5640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.943533][ T5638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.944511][ T5640] CPU: 1 PID: 5640 Comm: syz.1.45 Not tainted syzkaller #0 [ 74.946501][ T5638] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.947569][ T5640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.949927][ T5640] Call trace: [ 74.950408][ T5640] dump_backtrace+0x0/0x43c [ 74.951070][ T5640] show_stack+0x2c/0x3c [ 74.951765][ T5640] __dump_stack+0x30/0x40 [ 74.952426][ T5640] dump_stack_lvl+0xf8/0x160 [ 74.953160][ T5640] dump_stack+0x1c/0x5c [ 74.953879][ T5640] sysfs_create_dir_ns+0x22c/0x24c [ 74.954663][ T5640] kobject_add_internal+0x590/0xc54 [ 74.955413][ T5640] kobject_init_and_add+0x118/0x17c [ 74.956200][ T5640] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.956955][ T5640] gfs2_fill_super+0xdac/0x19e0 [ 74.957718][ T5640] get_tree_bdev+0x358/0x544 [ 74.958468][ T5640] gfs2_get_tree+0x54/0x1b4 [ 74.959140][ T5640] vfs_get_tree+0x90/0x274 [ 74.959785][ T5640] do_new_mount+0x228/0x810 [ 74.960437][ T5640] path_mount+0x5b4/0x1000 [ 74.961073][ T5640] __arm64_sys_mount+0x514/0x5e4 [ 74.961798][ T5640] invoke_syscall+0x98/0x2b8 [ 74.962494][ T5640] el0_svc_common+0x138/0x258 [ 74.963237][ T5640] do_el0_svc+0x58/0x14c [ 74.963908][ T5640] el0_svc+0x78/0x1e0 [ 74.964523][ T5640] el0t_64_sync_handler+0xcc/0xe4 [ 74.965327][ T5640] el0t_64_sync+0x1a0/0x1a4 [ 74.995071][ T5636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.996190][ T5636] CPU: 1 PID: 5636 Comm: syz.2.43 Not tainted syzkaller #0 [ 74.997275][ T5636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.998826][ T5636] Call trace: [ 74.999293][ T5636] dump_backtrace+0x0/0x43c [ 74.999897][ T5636] show_stack+0x2c/0x3c [ 75.000520][ T5636] __dump_stack+0x30/0x40 [ 75.001185][ T5636] dump_stack_lvl+0xf8/0x160 [ 75.001914][ T5636] dump_stack+0x1c/0x5c [ 75.002594][ T5636] sysfs_create_dir_ns+0x22c/0x24c [ 75.003436][ T5636] kobject_add_internal+0x590/0xc54 [ 75.004319][ T5636] kobject_init_and_add+0x118/0x17c [ 75.005144][ T5636] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.005855][ T5636] gfs2_fill_super+0xdac/0x19e0 [ 75.006649][ T5636] get_tree_bdev+0x358/0x544 [ 75.007338][ T5636] gfs2_get_tree+0x54/0x1b4 [ 75.008010][ T5636] vfs_get_tree+0x90/0x274 [ 75.008746][ T5636] do_new_mount+0x228/0x810 [ 75.009456][ T5636] path_mount+0x5b4/0x1000 [ 75.010111][ T5636] __arm64_sys_mount+0x514/0x5e4 [ 75.010834][ T5636] invoke_syscall+0x98/0x2b8 [ 75.011521][ T5636] el0_svc_common+0x138/0x258 [ 75.012195][ T5636] do_el0_svc+0x58/0x14c [ 75.012859][ T5636] el0_svc+0x78/0x1e0 [ 75.013507][ T5636] el0t_64_sync_handler+0xcc/0xe4 [ 75.014369][ T5636] el0t_64_sync+0x1a0/0x1a4 [ 75.017761][ T5640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.019696][ T5640] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.053818][ T5636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.055781][ T5636] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.154728][ T5642] loop4: detected capacity change from 0 to 32768 [ 75.170317][ T5638] loop0: detected capacity change from 0 to 32768 [ 75.195120][ T5642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.196249][ T5642] CPU: 1 PID: 5642 Comm: syz.4.46 Not tainted syzkaller #0 [ 75.197330][ T5642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.198980][ T5642] Call trace: [ 75.199515][ T5642] dump_backtrace+0x0/0x43c [ 75.200235][ T5642] show_stack+0x2c/0x3c [ 75.200801][ T5642] __dump_stack+0x30/0x40 [ 75.201472][ T5642] dump_stack_lvl+0xf8/0x160 [ 75.202134][ T5642] dump_stack+0x1c/0x5c [ 75.202802][ T5642] sysfs_create_dir_ns+0x22c/0x24c [ 75.203557][ T5642] kobject_add_internal+0x590/0xc54 [ 75.204373][ T5642] kobject_init_and_add+0x118/0x17c [ 75.205194][ T5642] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.205934][ T5642] gfs2_fill_super+0xdac/0x19e0 [ 75.206719][ T5642] get_tree_bdev+0x358/0x544 [ 75.207465][ T5642] gfs2_get_tree+0x54/0x1b4 [ 75.208134][ T5642] vfs_get_tree+0x90/0x274 [ 75.208822][ T5642] do_new_mount+0x228/0x810 [ 75.209512][ T5642] path_mount+0x5b4/0x1000 [ 75.210262][ T5642] __arm64_sys_mount+0x514/0x5e4 [ 75.211065][ T5642] invoke_syscall+0x98/0x2b8 [ 75.211766][ T5642] el0_svc_common+0x138/0x258 [ 75.212563][ T5642] do_el0_svc+0x58/0x14c [ 75.213242][ T5642] el0_svc+0x78/0x1e0 [ 75.213866][ T5642] el0t_64_sync_handler+0xcc/0xe4 [ 75.214628][ T5642] el0t_64_sync+0x1a0/0x1a4 [ 75.224317][ T5638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.225440][ T5638] CPU: 0 PID: 5638 Comm: syz.0.44 Not tainted syzkaller #0 [ 75.226559][ T5638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.228098][ T5638] Call trace: [ 75.228632][ T5638] dump_backtrace+0x0/0x43c [ 75.229422][ T5638] show_stack+0x2c/0x3c [ 75.230086][ T5638] __dump_stack+0x30/0x40 [ 75.230822][ T5638] dump_stack_lvl+0xf8/0x160 [ 75.231567][ T5638] dump_stack+0x1c/0x5c [ 75.232252][ T5638] sysfs_create_dir_ns+0x22c/0x24c [ 75.233062][ T5638] kobject_add_internal+0x590/0xc54 [ 75.233850][ T5638] kobject_init_and_add+0x118/0x17c [ 75.234642][ T5638] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.235386][ T5638] gfs2_fill_super+0xdac/0x19e0 [ 75.236117][ T5638] get_tree_bdev+0x358/0x544 [ 75.236806][ T5638] gfs2_get_tree+0x54/0x1b4 [ 75.237497][ T5638] vfs_get_tree+0x90/0x274 [ 75.238181][ T5638] do_new_mount+0x228/0x810 [ 75.238896][ T5638] path_mount+0x5b4/0x1000 [ 75.239563][ T5638] __arm64_sys_mount+0x514/0x5e4 [ 75.240411][ T5638] invoke_syscall+0x98/0x2b8 [ 75.241196][ T5638] el0_svc_common+0x138/0x258 [ 75.241952][ T5638] do_el0_svc+0x58/0x14c [ 75.241968][ T5642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.242652][ T5638] el0_svc+0x78/0x1e0 [ 75.244790][ T5642] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.245337][ T5638] el0t_64_sync_handler+0xcc/0xe4 [ 75.247116][ T5638] el0t_64_sync+0x1a0/0x1a4 [ 75.271045][ T5645] loop2: detected capacity change from 0 to 32768 [ 75.272055][ T5640] loop1: detected capacity change from 0 to 32768 [ 75.274258][ T5638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.276262][ T5638] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.279162][ T5640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.280389][ T5640] CPU: 0 PID: 5640 Comm: syz.1.45 Not tainted syzkaller #0 [ 75.281397][ T5640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.282801][ T5640] Call trace: [ 75.283282][ T5640] dump_backtrace+0x0/0x43c [ 75.283936][ T5640] show_stack+0x2c/0x3c [ 75.284645][ T5640] __dump_stack+0x30/0x40 [ 75.285394][ T5640] dump_stack_lvl+0xf8/0x160 [ 75.286134][ T5640] dump_stack+0x1c/0x5c [ 75.286813][ T5640] sysfs_create_dir_ns+0x22c/0x24c [ 75.287571][ T5640] kobject_add_internal+0x590/0xc54 [ 75.288378][ T5640] kobject_init_and_add+0x118/0x17c [ 75.289191][ T5640] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.289999][ T5640] gfs2_fill_super+0xdac/0x19e0 [ 75.290803][ T5640] get_tree_bdev+0x358/0x544 [ 75.291567][ T5640] gfs2_get_tree+0x54/0x1b4 [ 75.292310][ T5640] vfs_get_tree+0x90/0x274 [ 75.293021][ T5640] do_new_mount+0x228/0x810 [ 75.293782][ T5640] path_mount+0x5b4/0x1000 [ 75.294450][ T5640] __arm64_sys_mount+0x514/0x5e4 [ 75.295233][ T5640] invoke_syscall+0x98/0x2b8 [ 75.296022][ T5640] el0_svc_common+0x138/0x258 [ 75.296777][ T5640] do_el0_svc+0x58/0x14c [ 75.297476][ T5640] el0_svc+0x78/0x1e0 [ 75.298129][ T5640] el0t_64_sync_handler+0xcc/0xe4 [ 75.298896][ T5640] el0t_64_sync+0x1a0/0x1a4 [ 75.316242][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.317428][ T5645] CPU: 1 PID: 5645 Comm: syz.2.47 Not tainted syzkaller #0 [ 75.318557][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.320051][ T5645] Call trace: [ 75.320547][ T5645] dump_backtrace+0x0/0x43c [ 75.321199][ T5645] show_stack+0x2c/0x3c [ 75.321751][ T5645] __dump_stack+0x30/0x40 [ 75.322398][ T5640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.322431][ T5645] dump_stack_lvl+0xf8/0x160 [ 75.324454][ T5640] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.325107][ T5645] dump_stack+0x1c/0x5c [ 75.326652][ T5645] sysfs_create_dir_ns+0x22c/0x24c [ 75.327468][ T5645] kobject_add_internal+0x590/0xc54 [ 75.328292][ T5645] kobject_init_and_add+0x118/0x17c [ 75.329117][ T5645] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.329800][ T5645] gfs2_fill_super+0xdac/0x19e0 [ 75.330516][ T5645] get_tree_bdev+0x358/0x544 [ 75.331235][ T5645] gfs2_get_tree+0x54/0x1b4 [ 75.331950][ T5645] vfs_get_tree+0x90/0x274 [ 75.332583][ T5645] do_new_mount+0x228/0x810 [ 75.333270][ T5645] path_mount+0x5b4/0x1000 [ 75.333947][ T5645] __arm64_sys_mount+0x514/0x5e4 [ 75.334710][ T5645] invoke_syscall+0x98/0x2b8 [ 75.335440][ T5645] el0_svc_common+0x138/0x258 [ 75.336178][ T5645] do_el0_svc+0x58/0x14c [ 75.336820][ T5645] el0_svc+0x78/0x1e0 [ 75.337457][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 75.338257][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 75.371205][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.378403][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.481494][ T5647] loop0: detected capacity change from 0 to 32768 [ 75.524193][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.525361][ T5647] CPU: 0 PID: 5647 Comm: syz.0.48 Not tainted syzkaller #0 [ 75.526447][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.528077][ T5647] Call trace: [ 75.528611][ T5647] dump_backtrace+0x0/0x43c [ 75.529325][ T5647] show_stack+0x2c/0x3c [ 75.530010][ T5647] __dump_stack+0x30/0x40 [ 75.530705][ T5647] dump_stack_lvl+0xf8/0x160 [ 75.531406][ T5647] dump_stack+0x1c/0x5c [ 75.532078][ T5647] sysfs_create_dir_ns+0x22c/0x24c [ 75.532890][ T5647] kobject_add_internal+0x590/0xc54 [ 75.533775][ T5647] kobject_init_and_add+0x118/0x17c [ 75.534547][ T5647] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.535237][ T5647] gfs2_fill_super+0xdac/0x19e0 [ 75.535976][ T5647] get_tree_bdev+0x358/0x544 [ 75.536774][ T5647] gfs2_get_tree+0x54/0x1b4 [ 75.537493][ T5647] vfs_get_tree+0x90/0x274 [ 75.538165][ T5647] do_new_mount+0x228/0x810 [ 75.538990][ T5647] path_mount+0x5b4/0x1000 [ 75.539664][ T5647] __arm64_sys_mount+0x514/0x5e4 [ 75.540433][ T5647] invoke_syscall+0x98/0x2b8 [ 75.541166][ T5647] el0_svc_common+0x138/0x258 [ 75.541922][ T5647] do_el0_svc+0x58/0x14c [ 75.542580][ T5647] el0_svc+0x78/0x1e0 [ 75.543213][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 75.544047][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 75.571021][ T5649] loop1: detected capacity change from 0 to 32768 [ 75.577779][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.579906][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.596429][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.597573][ T5649] CPU: 0 PID: 5649 Comm: syz.1.49 Not tainted syzkaller #0 [ 75.598741][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.600244][ T5649] Call trace: [ 75.600791][ T5649] dump_backtrace+0x0/0x43c [ 75.601475][ T5649] show_stack+0x2c/0x3c [ 75.602160][ T5649] __dump_stack+0x30/0x40 [ 75.602823][ T5649] dump_stack_lvl+0xf8/0x160 [ 75.603567][ T5649] dump_stack+0x1c/0x5c [ 75.604242][ T5649] sysfs_create_dir_ns+0x22c/0x24c [ 75.605070][ T5649] kobject_add_internal+0x590/0xc54 [ 75.605883][ T5649] kobject_init_and_add+0x118/0x17c [ 75.606698][ T5649] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.607503][ T5649] gfs2_fill_super+0xdac/0x19e0 [ 75.608318][ T5649] get_tree_bdev+0x358/0x544 [ 75.609037][ T5649] gfs2_get_tree+0x54/0x1b4 [ 75.609732][ T5649] vfs_get_tree+0x90/0x274 [ 75.610361][ T5649] do_new_mount+0x228/0x810 [ 75.611088][ T5649] path_mount+0x5b4/0x1000 [ 75.611836][ T5649] __arm64_sys_mount+0x514/0x5e4 [ 75.612611][ T5649] invoke_syscall+0x98/0x2b8 [ 75.613346][ T5649] el0_svc_common+0x138/0x258 [ 75.614117][ T5649] do_el0_svc+0x58/0x14c [ 75.614757][ T5649] el0_svc+0x78/0x1e0 [ 75.615329][ T5649] el0t_64_sync_handler+0xcc/0xe4 [ 75.616084][ T5649] el0t_64_sync+0x1a0/0x1a4 [ 75.628281][ T5645] loop2: detected capacity change from 0 to 32768 [ 75.645286][ T5642] loop4: detected capacity change from 0 to 32768 [ 75.646774][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.648871][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.667777][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.668927][ T5645] CPU: 0 PID: 5645 Comm: syz.2.47 Not tainted syzkaller #0 [ 75.670046][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.671611][ T5645] Call trace: [ 75.672129][ T5645] dump_backtrace+0x0/0x43c [ 75.672769][ T5645] show_stack+0x2c/0x3c [ 75.673436][ T5645] __dump_stack+0x30/0x40 [ 75.674136][ T5645] dump_stack_lvl+0xf8/0x160 [ 75.674892][ T5645] dump_stack+0x1c/0x5c [ 75.675534][ T5645] sysfs_create_dir_ns+0x22c/0x24c [ 75.676361][ T5645] kobject_add_internal+0x590/0xc54 [ 75.677224][ T5645] kobject_init_and_add+0x118/0x17c [ 75.678115][ T5645] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.678922][ T5645] gfs2_fill_super+0xdac/0x19e0 [ 75.679740][ T5645] get_tree_bdev+0x358/0x544 [ 75.680494][ T5645] gfs2_get_tree+0x54/0x1b4 [ 75.681228][ T5645] vfs_get_tree+0x90/0x274 [ 75.681931][ T5645] do_new_mount+0x228/0x810 [ 75.682636][ T5645] path_mount+0x5b4/0x1000 [ 75.683322][ T5645] __arm64_sys_mount+0x514/0x5e4 [ 75.684087][ T5645] invoke_syscall+0x98/0x2b8 [ 75.684808][ T5645] el0_svc_common+0x138/0x258 [ 75.685543][ T5645] do_el0_svc+0x58/0x14c [ 75.686247][ T5645] el0_svc+0x78/0x1e0 [ 75.686929][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 75.687782][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 75.694101][ T5642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.695297][ T5642] CPU: 1 PID: 5642 Comm: syz.4.46 Not tainted syzkaller #0 [ 75.696390][ T5642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.697967][ T5642] Call trace: [ 75.698474][ T5642] dump_backtrace+0x0/0x43c [ 75.699121][ T5642] show_stack+0x2c/0x3c [ 75.699711][ T5642] __dump_stack+0x30/0x40 [ 75.700395][ T5642] dump_stack_lvl+0xf8/0x160 [ 75.701114][ T5642] dump_stack+0x1c/0x5c [ 75.701739][ T5642] sysfs_create_dir_ns+0x22c/0x24c [ 75.702551][ T5642] kobject_add_internal+0x590/0xc54 [ 75.703307][ T5642] kobject_init_and_add+0x118/0x17c [ 75.704085][ T5642] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.704794][ T5642] gfs2_fill_super+0xdac/0x19e0 [ 75.705514][ T5642] get_tree_bdev+0x358/0x544 [ 75.706247][ T5642] gfs2_get_tree+0x54/0x1b4 [ 75.706979][ T5642] vfs_get_tree+0x90/0x274 [ 75.707730][ T5642] do_new_mount+0x228/0x810 [ 75.708487][ T5642] path_mount+0x5b4/0x1000 [ 75.709147][ T5642] __arm64_sys_mount+0x514/0x5e4 [ 75.709894][ T5642] invoke_syscall+0x98/0x2b8 [ 75.710587][ T5642] el0_svc_common+0x138/0x258 [ 75.711315][ T5642] do_el0_svc+0x58/0x14c [ 75.711982][ T5642] el0_svc+0x78/0x1e0 [ 75.712603][ T5642] el0t_64_sync_handler+0xcc/0xe4 [ 75.713400][ T5642] el0t_64_sync+0x1a0/0x1a4 [ 75.725037][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.727132][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.744943][ T5642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.747074][ T5642] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.797844][ T5647] loop0: detected capacity change from 0 to 32768 [ 75.837311][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.838635][ T5647] CPU: 1 PID: 5647 Comm: syz.0.48 Not tainted syzkaller #0 [ 75.839667][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.841073][ T5647] Call trace: [ 75.841532][ T5647] dump_backtrace+0x0/0x43c [ 75.842215][ T5647] show_stack+0x2c/0x3c [ 75.842809][ T5647] __dump_stack+0x30/0x40 [ 75.843421][ T5647] dump_stack_lvl+0xf8/0x160 [ 75.844118][ T5647] dump_stack+0x1c/0x5c [ 75.844782][ T5647] sysfs_create_dir_ns+0x22c/0x24c [ 75.845522][ T5647] kobject_add_internal+0x590/0xc54 [ 75.846283][ T5647] kobject_init_and_add+0x118/0x17c [ 75.847176][ T5647] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.847933][ T5647] gfs2_fill_super+0xdac/0x19e0 [ 75.848695][ T5647] get_tree_bdev+0x358/0x544 [ 75.849433][ T5647] gfs2_get_tree+0x54/0x1b4 [ 75.850130][ T5647] vfs_get_tree+0x90/0x274 [ 75.850807][ T5647] do_new_mount+0x228/0x810 [ 75.851545][ T5647] path_mount+0x5b4/0x1000 [ 75.852232][ T5647] __arm64_sys_mount+0x514/0x5e4 [ 75.853008][ T5647] invoke_syscall+0x98/0x2b8 [ 75.853728][ T5647] el0_svc_common+0x138/0x258 [ 75.854451][ T5647] do_el0_svc+0x58/0x14c [ 75.855099][ T5647] el0_svc+0x78/0x1e0 [ 75.855711][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 75.856495][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 75.883451][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.885478][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.944904][ T5649] loop1: detected capacity change from 0 to 32768 [ 75.973881][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.975122][ T5649] CPU: 0 PID: 5649 Comm: syz.1.49 Not tainted syzkaller #0 [ 75.976284][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.977751][ T5649] Call trace: [ 75.978251][ T5649] dump_backtrace+0x0/0x43c [ 75.978987][ T5649] show_stack+0x2c/0x3c [ 75.979651][ T5649] __dump_stack+0x30/0x40 [ 75.980329][ T5649] dump_stack_lvl+0xf8/0x160 [ 75.980997][ T5649] dump_stack+0x1c/0x5c [ 75.981685][ T5649] sysfs_create_dir_ns+0x22c/0x24c [ 75.982441][ T5649] kobject_add_internal+0x590/0xc54 [ 75.983234][ T5649] kobject_init_and_add+0x118/0x17c [ 75.984051][ T5649] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.984762][ T5649] gfs2_fill_super+0xdac/0x19e0 [ 75.985481][ T5649] get_tree_bdev+0x358/0x544 [ 75.986174][ T5649] gfs2_get_tree+0x54/0x1b4 [ 75.986859][ T5649] vfs_get_tree+0x90/0x274 [ 75.987517][ T5649] do_new_mount+0x228/0x810 [ 75.988209][ T5649] path_mount+0x5b4/0x1000 [ 75.988904][ T5649] __arm64_sys_mount+0x514/0x5e4 [ 75.989655][ T5649] invoke_syscall+0x98/0x2b8 [ 75.990428][ T5649] el0_svc_common+0x138/0x258 [ 75.991154][ T5649] do_el0_svc+0x58/0x14c [ 75.991841][ T5649] el0_svc+0x78/0x1e0 [ 75.992544][ T5649] el0t_64_sync_handler+0xcc/0xe4 [ 75.993333][ T5649] el0t_64_sync+0x1a0/0x1a4 [ 76.016893][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.018989][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.023244][ T5651] loop2: detected capacity change from 0 to 32768 [ 76.039710][ T5653] loop4: detected capacity change from 0 to 32768 [ 76.043626][ T5653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.044747][ T5653] CPU: 1 PID: 5653 Comm: syz.4.51 Not tainted syzkaller #0 [ 76.045806][ T5653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.047401][ T5653] Call trace: [ 76.047918][ T5653] dump_backtrace+0x0/0x43c [ 76.048773][ T5653] show_stack+0x2c/0x3c [ 76.049445][ T5653] __dump_stack+0x30/0x40 [ 76.050132][ T5653] dump_stack_lvl+0xf8/0x160 [ 76.050914][ T5653] dump_stack+0x1c/0x5c [ 76.051578][ T5653] sysfs_create_dir_ns+0x22c/0x24c [ 76.052381][ T5653] kobject_add_internal+0x590/0xc54 [ 76.053203][ T5653] kobject_init_and_add+0x118/0x17c [ 76.054003][ T5653] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.054730][ T5653] gfs2_fill_super+0xdac/0x19e0 [ 76.055437][ T5653] get_tree_bdev+0x358/0x544 [ 76.056153][ T5653] gfs2_get_tree+0x54/0x1b4 [ 76.056828][ T5653] vfs_get_tree+0x90/0x274 [ 76.057508][ T5653] do_new_mount+0x228/0x810 [ 76.058152][ T5653] path_mount+0x5b4/0x1000 [ 76.058835][ T5653] __arm64_sys_mount+0x514/0x5e4 [ 76.059571][ T5653] invoke_syscall+0x98/0x2b8 [ 76.060234][ T5653] el0_svc_common+0x138/0x258 [ 76.060916][ T5653] do_el0_svc+0x58/0x14c [ 76.061545][ T5653] el0_svc+0x78/0x1e0 [ 76.062171][ T5653] el0t_64_sync_handler+0xcc/0xe4 [ 76.062918][ T5653] el0t_64_sync+0x1a0/0x1a4 [ 76.083774][ T5651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.084954][ T5651] CPU: 0 PID: 5651 Comm: syz.2.50 Not tainted syzkaller #0 [ 76.086058][ T5651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.087719][ T5651] Call trace: [ 76.088273][ T5651] dump_backtrace+0x0/0x43c [ 76.088989][ T5651] show_stack+0x2c/0x3c [ 76.089676][ T5651] __dump_stack+0x30/0x40 [ 76.090437][ T5651] dump_stack_lvl+0xf8/0x160 [ 76.091203][ T5651] dump_stack+0x1c/0x5c [ 76.091866][ T5651] sysfs_create_dir_ns+0x22c/0x24c [ 76.092625][ T5651] kobject_add_internal+0x590/0xc54 [ 76.093464][ T5651] kobject_init_and_add+0x118/0x17c [ 76.094187][ T5651] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.094966][ T5651] gfs2_fill_super+0xdac/0x19e0 [ 76.095790][ T5651] get_tree_bdev+0x358/0x544 [ 76.096529][ T5651] gfs2_get_tree+0x54/0x1b4 [ 76.097281][ T5651] vfs_get_tree+0x90/0x274 [ 76.097967][ T5651] do_new_mount+0x228/0x810 [ 76.098704][ T5651] path_mount+0x5b4/0x1000 [ 76.099451][ T5651] __arm64_sys_mount+0x514/0x5e4 [ 76.100326][ T5651] invoke_syscall+0x98/0x2b8 [ 76.101130][ T5651] el0_svc_common+0x138/0x258 [ 76.101933][ T5651] do_el0_svc+0x58/0x14c [ 76.102671][ T5651] el0_svc+0x78/0x1e0 [ 76.103314][ T5651] el0t_64_sync_handler+0xcc/0xe4 [ 76.104131][ T5651] el0t_64_sync+0x1a0/0x1a4 [ 76.108198][ T5653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.110332][ T5653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.133147][ T5651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.135273][ T5651] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.248193][ T5657] loop1: detected capacity change from 0 to 32768 [ 76.315475][ T5657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.316687][ T5657] CPU: 0 PID: 5657 Comm: syz.1.53 Not tainted syzkaller #0 [ 76.317873][ T5657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.318530][ T5655] loop0: detected capacity change from 0 to 32768 [ 76.319493][ T5657] Call trace: [ 76.320975][ T5657] dump_backtrace+0x0/0x43c [ 76.321705][ T5657] show_stack+0x2c/0x3c [ 76.322352][ T5657] __dump_stack+0x30/0x40 [ 76.323002][ T5657] dump_stack_lvl+0xf8/0x160 [ 76.323747][ T5657] dump_stack+0x1c/0x5c [ 76.324363][ T5657] sysfs_create_dir_ns+0x22c/0x24c [ 76.325133][ T5657] kobject_add_internal+0x590/0xc54 [ 76.325901][ T5657] kobject_init_and_add+0x118/0x17c [ 76.326728][ T5657] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.327436][ T5657] gfs2_fill_super+0xdac/0x19e0 [ 76.328240][ T5657] get_tree_bdev+0x358/0x544 [ 76.329030][ T5657] gfs2_get_tree+0x54/0x1b4 [ 76.329755][ T5657] vfs_get_tree+0x90/0x274 [ 76.330496][ T5657] do_new_mount+0x228/0x810 [ 76.331204][ T5657] path_mount+0x5b4/0x1000 [ 76.331895][ T5657] __arm64_sys_mount+0x514/0x5e4 [ 76.332675][ T5657] invoke_syscall+0x98/0x2b8 [ 76.333344][ T5657] el0_svc_common+0x138/0x258 [ 76.334022][ T5657] do_el0_svc+0x58/0x14c [ 76.334701][ T5657] el0_svc+0x78/0x1e0 [ 76.335369][ T5657] el0t_64_sync_handler+0xcc/0xe4 [ 76.336127][ T5657] el0t_64_sync+0x1a0/0x1a4 [ 76.337039][ T5653] loop4: detected capacity change from 0 to 32768 [ 76.341599][ T5657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.344330][ T5651] loop2: detected capacity change from 0 to 32768 [ 76.345051][ T5657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.345488][ T5655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.347487][ T5655] CPU: 0 PID: 5655 Comm: syz.0.52 Not tainted syzkaller #0 [ 76.348628][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.350193][ T5655] Call trace: [ 76.350672][ T5655] dump_backtrace+0x0/0x43c [ 76.351281][ T5655] show_stack+0x2c/0x3c [ 76.351851][ T5655] __dump_stack+0x30/0x40 [ 76.352490][ T5655] dump_stack_lvl+0xf8/0x160 [ 76.353185][ T5655] dump_stack+0x1c/0x5c [ 76.353831][ T5655] sysfs_create_dir_ns+0x22c/0x24c [ 76.354717][ T5655] kobject_add_internal+0x590/0xc54 [ 76.355595][ T5655] kobject_init_and_add+0x118/0x17c [ 76.356426][ T5655] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.357099][ T5655] gfs2_fill_super+0xdac/0x19e0 [ 76.357829][ T5655] get_tree_bdev+0x358/0x544 [ 76.358473][ T5655] gfs2_get_tree+0x54/0x1b4 [ 76.359233][ T5655] vfs_get_tree+0x90/0x274 [ 76.359803][ T5651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.359974][ T5655] do_new_mount+0x228/0x810 [ 76.361916][ T5655] path_mount+0x5b4/0x1000 [ 76.362576][ T5655] __arm64_sys_mount+0x514/0x5e4 [ 76.363386][ T5655] invoke_syscall+0x98/0x2b8 [ 76.364134][ T5655] el0_svc_common+0x138/0x258 [ 76.364868][ T5655] do_el0_svc+0x58/0x14c [ 76.365546][ T5655] el0_svc+0x78/0x1e0 [ 76.366156][ T5655] el0t_64_sync_handler+0xcc/0xe4 [ 76.366979][ T5655] el0t_64_sync+0x1a0/0x1a4 [ 76.367701][ T5651] CPU: 1 PID: 5651 Comm: syz.2.50 Not tainted syzkaller #0 [ 76.368828][ T5651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.369790][ T5655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.370300][ T5651] Call trace: [ 76.372195][ T5655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.372705][ T5651] dump_backtrace+0x0/0x43c [ 76.374337][ T5651] show_stack+0x2c/0x3c [ 76.374966][ T5651] __dump_stack+0x30/0x40 [ 76.375648][ T5651] dump_stack_lvl+0xf8/0x160 [ 76.376365][ T5651] dump_stack+0x1c/0x5c [ 76.377046][ T5651] sysfs_create_dir_ns+0x22c/0x24c [ 76.377921][ T5651] kobject_add_internal+0x590/0xc54 [ 76.378744][ T5651] kobject_init_and_add+0x118/0x17c [ 76.379498][ T5651] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.380241][ T5651] gfs2_fill_super+0xdac/0x19e0 [ 76.380932][ T5651] get_tree_bdev+0x358/0x544 [ 76.381697][ T5651] gfs2_get_tree+0x54/0x1b4 [ 76.382364][ T5651] vfs_get_tree+0x90/0x274 [ 76.383103][ T5651] do_new_mount+0x228/0x810 [ 76.383764][ T5651] path_mount+0x5b4/0x1000 [ 76.384461][ T5651] __arm64_sys_mount+0x514/0x5e4 [ 76.385280][ T5651] invoke_syscall+0x98/0x2b8 [ 76.385974][ T5651] el0_svc_common+0x138/0x258 [ 76.386713][ T5651] do_el0_svc+0x58/0x14c [ 76.387347][ T5651] el0_svc+0x78/0x1e0 [ 76.388006][ T5651] el0t_64_sync_handler+0xcc/0xe4 [ 76.388736][ T5651] el0t_64_sync+0x1a0/0x1a4 [ 76.393534][ T5653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.394577][ T5653] CPU: 1 PID: 5653 Comm: syz.4.51 Not tainted syzkaller #0 [ 76.395578][ T5653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.396867][ T5653] Call trace: [ 76.397290][ T5653] dump_backtrace+0x0/0x43c [ 76.397868][ T5653] show_stack+0x2c/0x3c [ 76.398459][ T5653] __dump_stack+0x30/0x40 [ 76.399029][ T5653] dump_stack_lvl+0xf8/0x160 [ 76.399683][ T5653] dump_stack+0x1c/0x5c [ 76.400266][ T5653] sysfs_create_dir_ns+0x22c/0x24c [ 76.401033][ T5653] kobject_add_internal+0x590/0xc54 [ 76.401859][ T5653] kobject_init_and_add+0x118/0x17c [ 76.402735][ T5653] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.403486][ T5653] gfs2_fill_super+0xdac/0x19e0 [ 76.404254][ T5653] get_tree_bdev+0x358/0x544 [ 76.404903][ T5653] gfs2_get_tree+0x54/0x1b4 [ 76.405594][ T5653] vfs_get_tree+0x90/0x274 [ 76.406256][ T5653] do_new_mount+0x228/0x810 [ 76.406893][ T5653] path_mount+0x5b4/0x1000 [ 76.407576][ T5653] __arm64_sys_mount+0x514/0x5e4 [ 76.408320][ T5653] invoke_syscall+0x98/0x2b8 [ 76.408956][ T5653] el0_svc_common+0x138/0x258 [ 76.409651][ T5653] do_el0_svc+0x58/0x14c [ 76.410283][ T5653] el0_svc+0x78/0x1e0 [ 76.410878][ T5653] el0t_64_sync_handler+0xcc/0xe4 [ 76.411580][ T5653] el0t_64_sync+0x1a0/0x1a4 [ 76.414329][ T5651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.416289][ T5651] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.453380][ T5653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.455582][ T5653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.606559][ T5655] loop0: detected capacity change from 0 to 32768 [ 76.647166][ T5662] loop4: detected capacity change from 0 to 32768 [ 76.680179][ T5657] loop1: detected capacity change from 0 to 32768 [ 76.686967][ T5662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.688099][ T5662] CPU: 0 PID: 5662 Comm: syz.4.55 Not tainted syzkaller #0 [ 76.689230][ T5662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.690809][ T5662] Call trace: [ 76.691336][ T5662] dump_backtrace+0x0/0x43c [ 76.692082][ T5662] show_stack+0x2c/0x3c [ 76.692772][ T5662] __dump_stack+0x30/0x40 [ 76.693480][ T5662] dump_stack_lvl+0xf8/0x160 [ 76.694179][ T5662] dump_stack+0x1c/0x5c [ 76.694825][ T5662] sysfs_create_dir_ns+0x22c/0x24c [ 76.695622][ T5662] kobject_add_internal+0x590/0xc54 [ 76.696462][ T5662] kobject_init_and_add+0x118/0x17c [ 76.697338][ T5662] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.698095][ T5662] gfs2_fill_super+0xdac/0x19e0 [ 76.698894][ T5662] get_tree_bdev+0x358/0x544 [ 76.699679][ T5662] gfs2_get_tree+0x54/0x1b4 [ 76.700394][ T5662] vfs_get_tree+0x90/0x274 [ 76.701119][ T5662] do_new_mount+0x228/0x810 [ 76.701801][ T5662] path_mount+0x5b4/0x1000 [ 76.702561][ T5662] __arm64_sys_mount+0x514/0x5e4 [ 76.703394][ T5662] invoke_syscall+0x98/0x2b8 [ 76.704101][ T5662] el0_svc_common+0x138/0x258 [ 76.704802][ T5662] do_el0_svc+0x58/0x14c [ 76.705444][ T5662] el0_svc+0x78/0x1e0 [ 76.706089][ T5662] el0t_64_sync_handler+0xcc/0xe4 [ 76.706912][ T5662] el0t_64_sync+0x1a0/0x1a4 [ 76.708427][ T5655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.709476][ T5655] CPU: 0 PID: 5655 Comm: syz.0.52 Not tainted syzkaller #0 [ 76.710575][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.712064][ T5655] Call trace: [ 76.712566][ T5655] dump_backtrace+0x0/0x43c [ 76.713302][ T5655] show_stack+0x2c/0x3c [ 76.713959][ T5655] __dump_stack+0x30/0x40 [ 76.714682][ T5655] dump_stack_lvl+0xf8/0x160 [ 76.715461][ T5655] dump_stack+0x1c/0x5c [ 76.716152][ T5655] sysfs_create_dir_ns+0x22c/0x24c [ 76.716967][ T5655] kobject_add_internal+0x590/0xc54 [ 76.717812][ T5655] kobject_init_and_add+0x118/0x17c [ 76.718701][ T5655] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.719455][ T5655] gfs2_fill_super+0xdac/0x19e0 [ 76.720218][ T5655] get_tree_bdev+0x358/0x544 [ 76.720894][ T5655] gfs2_get_tree+0x54/0x1b4 [ 76.721561][ T5655] vfs_get_tree+0x90/0x274 [ 76.722183][ T5655] do_new_mount+0x228/0x810 [ 76.722889][ T5655] path_mount+0x5b4/0x1000 [ 76.723569][ T5655] __arm64_sys_mount+0x514/0x5e4 [ 76.724373][ T5655] invoke_syscall+0x98/0x2b8 [ 76.725103][ T5655] el0_svc_common+0x138/0x258 [ 76.725839][ T5655] do_el0_svc+0x58/0x14c [ 76.726364][ T5662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.726495][ T5655] el0_svc+0x78/0x1e0 [ 76.728501][ T5662] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.729126][ T5655] el0t_64_sync_handler+0xcc/0xe4 [ 76.730926][ T5655] el0t_64_sync+0x1a0/0x1a4 [ 76.732406][ T5655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.734950][ T5655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.740422][ T5660] loop2: detected capacity change from 0 to 32768 [ 76.744979][ T5657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.746160][ T5657] CPU: 1 PID: 5657 Comm: syz.1.53 Not tainted syzkaller #0 [ 76.747293][ T5657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.748774][ T5657] Call trace: [ 76.749282][ T5657] dump_backtrace+0x0/0x43c [ 76.749976][ T5657] show_stack+0x2c/0x3c [ 76.750656][ T5657] __dump_stack+0x30/0x40 [ 76.751361][ T5657] dump_stack_lvl+0xf8/0x160 [ 76.752107][ T5657] dump_stack+0x1c/0x5c [ 76.752757][ T5657] sysfs_create_dir_ns+0x22c/0x24c [ 76.753521][ T5657] kobject_add_internal+0x590/0xc54 [ 76.754286][ T5657] kobject_init_and_add+0x118/0x17c [ 76.754813][ T5660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.755030][ T5657] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.756864][ T5657] gfs2_fill_super+0xdac/0x19e0 [ 76.757595][ T5657] get_tree_bdev+0x358/0x544 [ 76.758279][ T5657] gfs2_get_tree+0x54/0x1b4 [ 76.758930][ T5657] vfs_get_tree+0x90/0x274 [ 76.759555][ T5657] do_new_mount+0x228/0x810 [ 76.760252][ T5657] path_mount+0x5b4/0x1000 [ 76.760933][ T5657] __arm64_sys_mount+0x514/0x5e4 [ 76.761756][ T5657] invoke_syscall+0x98/0x2b8 [ 76.762428][ T5657] el0_svc_common+0x138/0x258 [ 76.763168][ T5657] do_el0_svc+0x58/0x14c [ 76.763800][ T5657] el0_svc+0x78/0x1e0 [ 76.764425][ T5657] el0t_64_sync_handler+0xcc/0xe4 [ 76.765190][ T5657] el0t_64_sync+0x1a0/0x1a4 [ 76.769561][ T5660] CPU: 0 PID: 5660 Comm: syz.2.54 Not tainted syzkaller #0 [ 76.770645][ T5660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.771941][ T5657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.772147][ T5660] Call trace: [ 76.774023][ T5657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.774458][ T5660] dump_backtrace+0x0/0x43c [ 76.775962][ T5660] show_stack+0x2c/0x3c [ 76.776597][ T5660] __dump_stack+0x30/0x40 [ 76.777244][ T5660] dump_stack_lvl+0xf8/0x160 [ 76.777963][ T5660] dump_stack+0x1c/0x5c [ 76.778610][ T5660] sysfs_create_dir_ns+0x22c/0x24c [ 76.779421][ T5660] kobject_add_internal+0x590/0xc54 [ 76.780225][ T5660] kobject_init_and_add+0x118/0x17c [ 76.781075][ T5660] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.781866][ T5660] gfs2_fill_super+0xdac/0x19e0 [ 76.782630][ T5660] get_tree_bdev+0x358/0x544 [ 76.783386][ T5660] gfs2_get_tree+0x54/0x1b4 [ 76.784148][ T5660] vfs_get_tree+0x90/0x274 [ 76.784859][ T5660] do_new_mount+0x228/0x810 [ 76.785529][ T5660] path_mount+0x5b4/0x1000 [ 76.786244][ T5660] __arm64_sys_mount+0x514/0x5e4 [ 76.787015][ T5660] invoke_syscall+0x98/0x2b8 [ 76.787707][ T5660] el0_svc_common+0x138/0x258 [ 76.788435][ T5660] do_el0_svc+0x58/0x14c [ 76.789126][ T5660] el0_svc+0x78/0x1e0 [ 76.789739][ T5660] el0t_64_sync_handler+0xcc/0xe4 [ 76.790526][ T5660] el0t_64_sync+0x1a0/0x1a4 [ 76.794361][ T5660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.801754][ T5660] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.024862][ T5660] loop2: detected capacity change from 0 to 32768 [ 77.077175][ T5660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.078354][ T5660] CPU: 0 PID: 5660 Comm: syz.2.54 Not tainted syzkaller #0 [ 77.079533][ T5660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.081190][ T5660] Call trace: [ 77.081719][ T5660] dump_backtrace+0x0/0x43c [ 77.082462][ T5660] show_stack+0x2c/0x3c [ 77.083130][ T5660] __dump_stack+0x30/0x40 [ 77.083831][ T5660] dump_stack_lvl+0xf8/0x160 [ 77.084603][ T5660] dump_stack+0x1c/0x5c [ 77.085279][ T5660] sysfs_create_dir_ns+0x22c/0x24c [ 77.086143][ T5660] kobject_add_internal+0x590/0xc54 [ 77.087004][ T5660] kobject_init_and_add+0x118/0x17c [ 77.087844][ T5660] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.088682][ T5660] gfs2_fill_super+0xdac/0x19e0 [ 77.089518][ T5660] get_tree_bdev+0x358/0x544 [ 77.090271][ T5660] gfs2_get_tree+0x54/0x1b4 [ 77.090972][ T5660] vfs_get_tree+0x90/0x274 [ 77.091733][ T5660] do_new_mount+0x228/0x810 [ 77.092484][ T5660] path_mount+0x5b4/0x1000 [ 77.093221][ T5660] __arm64_sys_mount+0x514/0x5e4 [ 77.094037][ T5660] invoke_syscall+0x98/0x2b8 [ 77.094811][ T5660] el0_svc_common+0x138/0x258 [ 77.095552][ T5660] do_el0_svc+0x58/0x14c [ 77.096228][ T5660] el0_svc+0x78/0x1e0 [ 77.096852][ T5660] el0t_64_sync_handler+0xcc/0xe4 [ 77.097660][ T5660] el0t_64_sync+0x1a0/0x1a4 [ 77.098037][ T5664] loop1: detected capacity change from 0 to 32768 [ 77.100035][ T5662] loop4: detected capacity change from 0 to 32768 [ 77.105604][ T5666] loop0: detected capacity change from 0 to 32768 [ 77.106729][ T5660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.108845][ T5660] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.145942][ T5664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.147127][ T5664] CPU: 0 PID: 5664 Comm: syz.1.56 Not tainted syzkaller #0 [ 77.148280][ T5664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.149934][ T5664] Call trace: [ 77.150498][ T5664] dump_backtrace+0x0/0x43c [ 77.151245][ T5664] show_stack+0x2c/0x3c [ 77.151911][ T5664] __dump_stack+0x30/0x40 [ 77.152634][ T5664] dump_stack_lvl+0xf8/0x160 [ 77.153408][ T5664] dump_stack+0x1c/0x5c [ 77.154089][ T5664] sysfs_create_dir_ns+0x22c/0x24c [ 77.154829][ T5664] kobject_add_internal+0x590/0xc54 [ 77.155641][ T5664] kobject_init_and_add+0x118/0x17c [ 77.156508][ T5664] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.157247][ T5664] gfs2_fill_super+0xdac/0x19e0 [ 77.158011][ T5664] get_tree_bdev+0x358/0x544 [ 77.158697][ T5664] gfs2_get_tree+0x54/0x1b4 [ 77.159389][ T5664] vfs_get_tree+0x90/0x274 [ 77.160080][ T5664] do_new_mount+0x228/0x810 [ 77.160784][ T5664] path_mount+0x5b4/0x1000 [ 77.161477][ T5664] __arm64_sys_mount+0x514/0x5e4 [ 77.162187][ T5664] invoke_syscall+0x98/0x2b8 [ 77.162813][ T5664] el0_svc_common+0x138/0x258 [ 77.163577][ T5664] do_el0_svc+0x58/0x14c [ 77.164303][ T5664] el0_svc+0x78/0x1e0 [ 77.164951][ T5664] el0t_64_sync_handler+0xcc/0xe4 [ 77.165772][ T5664] el0t_64_sync+0x1a0/0x1a4 [ 77.169346][ T5662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.170549][ T5662] CPU: 1 PID: 5662 Comm: syz.4.55 Not tainted syzkaller #0 [ 77.171800][ T5662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.173401][ T5662] Call trace: [ 77.173870][ T5662] dump_backtrace+0x0/0x43c [ 77.174561][ T5662] show_stack+0x2c/0x3c [ 77.175238][ T5662] __dump_stack+0x30/0x40 [ 77.175917][ T5662] dump_stack_lvl+0xf8/0x160 [ 77.176682][ T5662] dump_stack+0x1c/0x5c [ 77.177344][ T5662] sysfs_create_dir_ns+0x22c/0x24c [ 77.178118][ T5662] kobject_add_internal+0x590/0xc54 [ 77.178946][ T5662] kobject_init_and_add+0x118/0x17c [ 77.179814][ T5662] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.180529][ T5662] gfs2_fill_super+0xdac/0x19e0 [ 77.181347][ T5662] get_tree_bdev+0x358/0x544 [ 77.182124][ T5662] gfs2_get_tree+0x54/0x1b4 [ 77.182855][ T5662] vfs_get_tree+0x90/0x274 [ 77.183611][ T5662] do_new_mount+0x228/0x810 [ 77.184325][ T5662] path_mount+0x5b4/0x1000 [ 77.185003][ T5662] __arm64_sys_mount+0x514/0x5e4 [ 77.185782][ T5662] invoke_syscall+0x98/0x2b8 [ 77.186502][ T5662] el0_svc_common+0x138/0x258 [ 77.187224][ T5662] do_el0_svc+0x58/0x14c [ 77.187898][ T5662] el0_svc+0x78/0x1e0 [ 77.188553][ T5662] el0t_64_sync_handler+0xcc/0xe4 [ 77.189410][ T5662] el0t_64_sync+0x1a0/0x1a4 [ 77.190441][ T5666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.191529][ T5666] CPU: 1 PID: 5666 Comm: syz.0.57 Not tainted syzkaller #0 [ 77.192673][ T5666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.194287][ T5666] Call trace: [ 77.194836][ T5666] dump_backtrace+0x0/0x43c [ 77.195538][ T5666] show_stack+0x2c/0x3c [ 77.196211][ T5666] __dump_stack+0x30/0x40 [ 77.196851][ T5666] dump_stack_lvl+0xf8/0x160 [ 77.197590][ T5666] dump_stack+0x1c/0x5c [ 77.198234][ T5666] sysfs_create_dir_ns+0x22c/0x24c [ 77.199107][ T5666] kobject_add_internal+0x590/0xc54 [ 77.199920][ T5666] kobject_init_and_add+0x118/0x17c [ 77.200794][ T5666] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.201547][ T5666] gfs2_fill_super+0xdac/0x19e0 [ 77.202235][ T5666] get_tree_bdev+0x358/0x544 [ 77.202859][ T5666] gfs2_get_tree+0x54/0x1b4 [ 77.203557][ T5666] vfs_get_tree+0x90/0x274 [ 77.204172][ T5666] do_new_mount+0x228/0x810 [ 77.204796][ T5666] path_mount+0x5b4/0x1000 [ 77.205408][ T5666] __arm64_sys_mount+0x514/0x5e4 [ 77.206145][ T5666] invoke_syscall+0x98/0x2b8 [ 77.206795][ T5666] el0_svc_common+0x138/0x258 [ 77.207464][ T5666] do_el0_svc+0x58/0x14c [ 77.208095][ T5666] el0_svc+0x78/0x1e0 [ 77.208639][ T5666] el0t_64_sync_handler+0xcc/0xe4 [ 77.209328][ T5666] el0t_64_sync+0x1a0/0x1a4 [ 77.212786][ T5664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.218492][ T5664] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.232211][ T5666] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.234451][ T5662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.236306][ T5662] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.237642][ T5666] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.315955][ T5668] loop2: detected capacity change from 0 to 32768 [ 77.365410][ T5668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.366611][ T5668] CPU: 1 PID: 5668 Comm: syz.2.58 Not tainted syzkaller #0 [ 77.367624][ T5668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.368979][ T5668] Call trace: [ 77.369459][ T5668] dump_backtrace+0x0/0x43c [ 77.370107][ T5668] show_stack+0x2c/0x3c [ 77.370698][ T5668] __dump_stack+0x30/0x40 [ 77.371318][ T5668] dump_stack_lvl+0xf8/0x160 [ 77.372015][ T5668] dump_stack+0x1c/0x5c [ 77.372651][ T5668] sysfs_create_dir_ns+0x22c/0x24c [ 77.373378][ T5668] kobject_add_internal+0x590/0xc54 [ 77.374225][ T5668] kobject_init_and_add+0x118/0x17c [ 77.375044][ T5668] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.375744][ T5668] gfs2_fill_super+0xdac/0x19e0 [ 77.376463][ T5668] get_tree_bdev+0x358/0x544 [ 77.377201][ T5668] gfs2_get_tree+0x54/0x1b4 [ 77.377912][ T5668] vfs_get_tree+0x90/0x274 [ 77.378577][ T5668] do_new_mount+0x228/0x810 [ 77.379319][ T5668] path_mount+0x5b4/0x1000 [ 77.380004][ T5668] __arm64_sys_mount+0x514/0x5e4 [ 77.380718][ T5668] invoke_syscall+0x98/0x2b8 [ 77.381425][ T5668] el0_svc_common+0x138/0x258 [ 77.382189][ T5668] do_el0_svc+0x58/0x14c [ 77.382910][ T5668] el0_svc+0x78/0x1e0 [ 77.383560][ T5668] el0t_64_sync_handler+0xcc/0xe4 [ 77.384383][ T5668] el0t_64_sync+0x1a0/0x1a4 [ 77.425197][ T5668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.427230][ T5668] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.435964][ T5664] loop1: detected capacity change from 0 to 32768 [ 77.473704][ T5664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.474742][ T5664] CPU: 0 PID: 5664 Comm: syz.1.56 Not tainted syzkaller #0 [ 77.475942][ T5664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.477405][ T5664] Call trace: [ 77.477931][ T5664] dump_backtrace+0x0/0x43c [ 77.478691][ T5664] show_stack+0x2c/0x3c [ 77.479333][ T5664] __dump_stack+0x30/0x40 [ 77.480036][ T5664] dump_stack_lvl+0xf8/0x160 [ 77.480821][ T5664] dump_stack+0x1c/0x5c [ 77.481507][ T5664] sysfs_create_dir_ns+0x22c/0x24c [ 77.482297][ T5664] kobject_add_internal+0x590/0xc54 [ 77.483126][ T5664] kobject_init_and_add+0x118/0x17c [ 77.484000][ T5664] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.484752][ T5664] gfs2_fill_super+0xdac/0x19e0 [ 77.485476][ T5664] get_tree_bdev+0x358/0x544 [ 77.486190][ T5664] gfs2_get_tree+0x54/0x1b4 [ 77.486882][ T5664] vfs_get_tree+0x90/0x274 [ 77.487606][ T5664] do_new_mount+0x228/0x810 [ 77.488331][ T5664] path_mount+0x5b4/0x1000 [ 77.489076][ T5664] __arm64_sys_mount+0x514/0x5e4 [ 77.489908][ T5664] invoke_syscall+0x98/0x2b8 [ 77.490657][ T5664] el0_svc_common+0x138/0x258 [ 77.491417][ T5664] do_el0_svc+0x58/0x14c [ 77.492077][ T5664] el0_svc+0x78/0x1e0 [ 77.492690][ T5664] el0t_64_sync_handler+0xcc/0xe4 [ 77.493455][ T5664] el0t_64_sync+0x1a0/0x1a4 [ 77.515814][ T5664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.517951][ T5664] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.524324][ T5666] loop0: detected capacity change from 0 to 32768 [ 77.530626][ T5670] loop4: detected capacity change from 0 to 32768 [ 77.588590][ T5668] loop2: detected capacity change from 0 to 32768 [ 77.605591][ T5666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.606775][ T5666] CPU: 1 PID: 5666 Comm: syz.0.57 Not tainted syzkaller #0 [ 77.607832][ T5666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.609466][ T5666] Call trace: [ 77.609968][ T5666] dump_backtrace+0x0/0x43c [ 77.610541][ T5666] show_stack+0x2c/0x3c [ 77.611117][ T5666] __dump_stack+0x30/0x40 [ 77.611763][ T5666] dump_stack_lvl+0xf8/0x160 [ 77.612418][ T5666] dump_stack+0x1c/0x5c [ 77.613051][ T5666] sysfs_create_dir_ns+0x22c/0x24c [ 77.613803][ T5666] kobject_add_internal+0x590/0xc54 [ 77.614714][ T5666] kobject_init_and_add+0x118/0x17c [ 77.615499][ T5666] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.616246][ T5666] gfs2_fill_super+0xdac/0x19e0 [ 77.617026][ T5666] get_tree_bdev+0x358/0x544 [ 77.617716][ T5666] gfs2_get_tree+0x54/0x1b4 [ 77.618436][ T5666] vfs_get_tree+0x90/0x274 [ 77.619093][ T5666] do_new_mount+0x228/0x810 [ 77.619846][ T5666] path_mount+0x5b4/0x1000 [ 77.620524][ T5666] __arm64_sys_mount+0x514/0x5e4 [ 77.621268][ T5666] invoke_syscall+0x98/0x2b8 [ 77.621989][ T5666] el0_svc_common+0x138/0x258 [ 77.622746][ T5666] do_el0_svc+0x58/0x14c [ 77.623375][ T5666] el0_svc+0x78/0x1e0 [ 77.624031][ T5666] el0t_64_sync_handler+0xcc/0xe4 [ 77.624816][ T5666] el0t_64_sync+0x1a0/0x1a4 [ 77.626589][ T5670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.627734][ T5670] CPU: 1 PID: 5670 Comm: syz.4.59 Not tainted syzkaller #0 [ 77.628972][ T5670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.630510][ T5670] Call trace: [ 77.630982][ T5670] dump_backtrace+0x0/0x43c [ 77.631625][ T5670] show_stack+0x2c/0x3c [ 77.632451][ T5670] __dump_stack+0x30/0x40 [ 77.633078][ T5670] dump_stack_lvl+0xf8/0x160 [ 77.633825][ T5670] dump_stack+0x1c/0x5c [ 77.634444][ T5670] sysfs_create_dir_ns+0x22c/0x24c [ 77.635159][ T5670] kobject_add_internal+0x590/0xc54 [ 77.635930][ T5670] kobject_init_and_add+0x118/0x17c [ 77.636735][ T5670] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.637448][ T5670] gfs2_fill_super+0xdac/0x19e0 [ 77.638131][ T5670] get_tree_bdev+0x358/0x544 [ 77.638813][ T5670] gfs2_get_tree+0x54/0x1b4 [ 77.639535][ T5670] vfs_get_tree+0x90/0x274 [ 77.640248][ T5670] do_new_mount+0x228/0x810 [ 77.640937][ T5670] path_mount+0x5b4/0x1000 [ 77.641660][ T5670] __arm64_sys_mount+0x514/0x5e4 [ 77.642484][ T5670] invoke_syscall+0x98/0x2b8 [ 77.643215][ T5670] el0_svc_common+0x138/0x258 [ 77.643950][ T5670] do_el0_svc+0x58/0x14c [ 77.644568][ T5670] el0_svc+0x78/0x1e0 [ 77.645233][ T5670] el0t_64_sync_handler+0xcc/0xe4 [ 77.645988][ T5670] el0t_64_sync+0x1a0/0x1a4 [ 77.651211][ T5668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.651211][ T5666] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.652395][ T5668] CPU: 0 PID: 5668 Comm: syz.2.58 Not tainted syzkaller #0 [ 77.654482][ T5666] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.655556][ T5668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.656596][ T5670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.658190][ T5668] Call trace: [ 77.658196][ T5668] dump_backtrace+0x0/0x43c [ 77.659899][ T5670] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.660429][ T5668] show_stack+0x2c/0x3c [ 77.662859][ T5668] __dump_stack+0x30/0x40 [ 77.663616][ T5668] dump_stack_lvl+0xf8/0x160 [ 77.664386][ T5668] dump_stack+0x1c/0x5c [ 77.665017][ T5668] sysfs_create_dir_ns+0x22c/0x24c [ 77.665799][ T5668] kobject_add_internal+0x590/0xc54 [ 77.666617][ T5668] kobject_init_and_add+0x118/0x17c [ 77.667454][ T5668] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.668154][ T5668] gfs2_fill_super+0xdac/0x19e0 [ 77.668870][ T5668] get_tree_bdev+0x358/0x544 [ 77.669572][ T5668] gfs2_get_tree+0x54/0x1b4 [ 77.670334][ T5668] vfs_get_tree+0x90/0x274 [ 77.671061][ T5668] do_new_mount+0x228/0x810 [ 77.671759][ T5668] path_mount+0x5b4/0x1000 [ 77.672496][ T5668] __arm64_sys_mount+0x514/0x5e4 [ 77.673342][ T5668] invoke_syscall+0x98/0x2b8 [ 77.674076][ T5668] el0_svc_common+0x138/0x258 [ 77.674840][ T5668] do_el0_svc+0x58/0x14c [ 77.675488][ T5668] el0_svc+0x78/0x1e0 [ 77.676067][ T5668] el0t_64_sync_handler+0xcc/0xe4 [ 77.676821][ T5668] el0t_64_sync+0x1a0/0x1a4 [ 77.707761][ T5668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.709946][ T5668] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.712776][ T5672] loop1: detected capacity change from 0 to 32768 [ 77.719126][ T5672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.720404][ T5672] CPU: 0 PID: 5672 Comm: syz.1.60 Not tainted syzkaller #0 [ 77.721548][ T5672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.723174][ T5672] Call trace: [ 77.723720][ T5672] dump_backtrace+0x0/0x43c [ 77.724492][ T5672] show_stack+0x2c/0x3c [ 77.725154][ T5672] __dump_stack+0x30/0x40 [ 77.725897][ T5672] dump_stack_lvl+0xf8/0x160 [ 77.726630][ T5672] dump_stack+0x1c/0x5c [ 77.727247][ T5672] sysfs_create_dir_ns+0x22c/0x24c [ 77.728052][ T5672] kobject_add_internal+0x590/0xc54 [ 77.728937][ T5672] kobject_init_and_add+0x118/0x17c [ 77.729726][ T5672] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.730475][ T5672] gfs2_fill_super+0xdac/0x19e0 [ 77.731210][ T5672] get_tree_bdev+0x358/0x544 [ 77.731973][ T5672] gfs2_get_tree+0x54/0x1b4 [ 77.732741][ T5672] vfs_get_tree+0x90/0x274 [ 77.733500][ T5672] do_new_mount+0x228/0x810 [ 77.734234][ T5672] path_mount+0x5b4/0x1000 [ 77.734910][ T5672] __arm64_sys_mount+0x514/0x5e4 [ 77.735711][ T5672] invoke_syscall+0x98/0x2b8 [ 77.736457][ T5672] el0_svc_common+0x138/0x258 [ 77.737247][ T5672] do_el0_svc+0x58/0x14c [ 77.737850][ T5672] el0_svc+0x78/0x1e0 [ 77.738430][ T5672] el0t_64_sync_handler+0xcc/0xe4 [ 77.739144][ T5672] el0t_64_sync+0x1a0/0x1a4 [ 77.740554][ T5672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.742338][ T5672] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.014028][ T5672] loop1: detected capacity change from 0 to 32768 [ 78.014200][ T5674] loop2: detected capacity change from 0 to 32768 [ 78.022100][ T5670] loop4: detected capacity change from 0 to 32768 [ 78.025484][ T5670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.026737][ T5670] CPU: 1 PID: 5670 Comm: syz.4.59 Not tainted syzkaller #0 [ 78.027882][ T5670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.029451][ T5670] Call trace: [ 78.029945][ T5670] dump_backtrace+0x0/0x43c [ 78.030631][ T5670] show_stack+0x2c/0x3c [ 78.031299][ T5670] __dump_stack+0x30/0x40 [ 78.031899][ T5670] dump_stack_lvl+0xf8/0x160 [ 78.032546][ T5670] dump_stack+0x1c/0x5c [ 78.033186][ T5670] sysfs_create_dir_ns+0x22c/0x24c [ 78.033927][ T5670] kobject_add_internal+0x590/0xc54 [ 78.034789][ T5670] kobject_init_and_add+0x118/0x17c [ 78.035599][ T5670] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.036308][ T5670] gfs2_fill_super+0xdac/0x19e0 [ 78.037027][ T5670] get_tree_bdev+0x358/0x544 [ 78.037799][ T5670] gfs2_get_tree+0x54/0x1b4 [ 78.038491][ T5670] vfs_get_tree+0x90/0x274 [ 78.039215][ T5670] do_new_mount+0x228/0x810 [ 78.039877][ T5670] path_mount+0x5b4/0x1000 [ 78.040498][ T5670] __arm64_sys_mount+0x514/0x5e4 [ 78.041220][ T5670] invoke_syscall+0x98/0x2b8 [ 78.041895][ T5670] el0_svc_common+0x138/0x258 [ 78.042641][ T5670] do_el0_svc+0x58/0x14c [ 78.043305][ T5670] el0_svc+0x78/0x1e0 [ 78.043928][ T5670] el0t_64_sync_handler+0xcc/0xe4 [ 78.044783][ T5670] el0t_64_sync+0x1a0/0x1a4 [ 78.055593][ T5670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.057478][ T5670] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.065847][ T5672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.065857][ T5674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.066938][ T5672] CPU: 0 PID: 5672 Comm: syz.1.60 Not tainted syzkaller #0 [ 78.069217][ T5672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.070769][ T5672] Call trace: [ 78.071295][ T5672] dump_backtrace+0x0/0x43c [ 78.072002][ T5672] show_stack+0x2c/0x3c [ 78.072637][ T5672] __dump_stack+0x30/0x40 [ 78.073356][ T5672] dump_stack_lvl+0xf8/0x160 [ 78.074051][ T5672] dump_stack+0x1c/0x5c [ 78.074714][ T5672] sysfs_create_dir_ns+0x22c/0x24c [ 78.075507][ T5672] kobject_add_internal+0x590/0xc54 [ 78.076336][ T5672] kobject_init_and_add+0x118/0x17c [ 78.077208][ T5672] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.077932][ T5672] gfs2_fill_super+0xdac/0x19e0 [ 78.078686][ T5676] loop0: detected capacity change from 0 to 32768 [ 78.078770][ T5672] get_tree_bdev+0x358/0x544 [ 78.080445][ T5672] gfs2_get_tree+0x54/0x1b4 [ 78.081205][ T5672] vfs_get_tree+0x90/0x274 [ 78.081973][ T5672] do_new_mount+0x228/0x810 [ 78.082732][ T5672] path_mount+0x5b4/0x1000 [ 78.083443][ T5672] __arm64_sys_mount+0x514/0x5e4 [ 78.084207][ T5672] invoke_syscall+0x98/0x2b8 [ 78.084911][ T5672] el0_svc_common+0x138/0x258 [ 78.085612][ T5672] do_el0_svc+0x58/0x14c [ 78.086213][ T5672] el0_svc+0x78/0x1e0 [ 78.086862][ T5672] el0t_64_sync_handler+0xcc/0xe4 [ 78.087639][ T5672] el0t_64_sync+0x1a0/0x1a4 [ 78.088330][ T5674] CPU: 1 PID: 5674 Comm: syz.2.61 Not tainted syzkaller #0 [ 78.089349][ T5674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.090907][ T5674] Call trace: [ 78.091396][ T5674] dump_backtrace+0x0/0x43c [ 78.092081][ T5674] show_stack+0x2c/0x3c [ 78.092741][ T5674] __dump_stack+0x30/0x40 [ 78.093477][ T5674] dump_stack_lvl+0xf8/0x160 [ 78.094221][ T5674] dump_stack+0x1c/0x5c [ 78.094856][ T5674] sysfs_create_dir_ns+0x22c/0x24c [ 78.095658][ T5674] kobject_add_internal+0x590/0xc54 [ 78.096409][ T5674] kobject_init_and_add+0x118/0x17c [ 78.097184][ T5674] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.097884][ T5674] gfs2_fill_super+0xdac/0x19e0 [ 78.098646][ T5674] get_tree_bdev+0x358/0x544 [ 78.099327][ T5674] gfs2_get_tree+0x54/0x1b4 [ 78.100008][ T5674] vfs_get_tree+0x90/0x274 [ 78.100730][ T5674] do_new_mount+0x228/0x810 [ 78.101404][ T5674] path_mount+0x5b4/0x1000 [ 78.102154][ T5674] __arm64_sys_mount+0x514/0x5e4 [ 78.102906][ T5674] invoke_syscall+0x98/0x2b8 [ 78.103658][ T5674] el0_svc_common+0x138/0x258 [ 78.104429][ T5674] do_el0_svc+0x58/0x14c [ 78.105121][ T5674] el0_svc+0x78/0x1e0 [ 78.105730][ T5674] el0t_64_sync_handler+0xcc/0xe4 [ 78.106506][ T5674] el0t_64_sync+0x1a0/0x1a4 [ 78.108623][ T5672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.110689][ T5672] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.111704][ T5674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.114100][ T5674] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.122695][ T5676] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.124137][ T5676] CPU: 1 PID: 5676 Comm: syz.0.62 Not tainted syzkaller #0 [ 78.125171][ T5676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.126625][ T5676] Call trace: [ 78.127068][ T5676] dump_backtrace+0x0/0x43c [ 78.127641][ T5676] show_stack+0x2c/0x3c [ 78.128207][ T5676] __dump_stack+0x30/0x40 [ 78.128883][ T5676] dump_stack_lvl+0xf8/0x160 [ 78.129511][ T5676] dump_stack+0x1c/0x5c [ 78.130066][ T5676] sysfs_create_dir_ns+0x22c/0x24c [ 78.130812][ T5676] kobject_add_internal+0x590/0xc54 [ 78.131582][ T5676] kobject_init_and_add+0x118/0x17c [ 78.132362][ T5676] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.133058][ T5676] gfs2_fill_super+0xdac/0x19e0 [ 78.133750][ T5676] get_tree_bdev+0x358/0x544 [ 78.134405][ T5676] gfs2_get_tree+0x54/0x1b4 [ 78.135089][ T5676] vfs_get_tree+0x90/0x274 [ 78.135763][ T5676] do_new_mount+0x228/0x810 [ 78.136497][ T5676] path_mount+0x5b4/0x1000 [ 78.137206][ T5676] __arm64_sys_mount+0x514/0x5e4 [ 78.138053][ T5676] invoke_syscall+0x98/0x2b8 [ 78.138790][ T5676] el0_svc_common+0x138/0x258 [ 78.139548][ T5676] do_el0_svc+0x58/0x14c [ 78.140253][ T5676] el0_svc+0x78/0x1e0 [ 78.140799][ T5676] el0t_64_sync_handler+0xcc/0xe4 [ 78.141526][ T5676] el0t_64_sync+0x1a0/0x1a4 [ 78.174240][ T5676] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.176402][ T5676] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:18 executed programs: 59 [ 78.320242][ T5674] loop2: detected capacity change from 0 to 32768 [ 78.335778][ T5674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.336989][ T5674] CPU: 1 PID: 5674 Comm: syz.2.61 Not tainted syzkaller #0 [ 78.338047][ T5674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.339462][ T5674] Call trace: [ 78.339981][ T5674] dump_backtrace+0x0/0x43c [ 78.340735][ T5674] show_stack+0x2c/0x3c [ 78.341386][ T5674] __dump_stack+0x30/0x40 [ 78.342111][ T5674] dump_stack_lvl+0xf8/0x160 [ 78.342856][ T5674] dump_stack+0x1c/0x5c [ 78.343551][ T5674] sysfs_create_dir_ns+0x22c/0x24c [ 78.344386][ T5674] kobject_add_internal+0x590/0xc54 [ 78.345142][ T5674] kobject_init_and_add+0x118/0x17c [ 78.345926][ T5674] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.346674][ T5674] gfs2_fill_super+0xdac/0x19e0 [ 78.347464][ T5674] get_tree_bdev+0x358/0x544 [ 78.348147][ T5674] gfs2_get_tree+0x54/0x1b4 [ 78.348921][ T5674] vfs_get_tree+0x90/0x274 [ 78.349658][ T5674] do_new_mount+0x228/0x810 [ 78.350422][ T5674] path_mount+0x5b4/0x1000 [ 78.351162][ T5674] __arm64_sys_mount+0x514/0x5e4 [ 78.352011][ T5674] invoke_syscall+0x98/0x2b8 [ 78.352743][ T5674] el0_svc_common+0x138/0x258 [ 78.353488][ T5674] do_el0_svc+0x58/0x14c [ 78.354144][ T5674] el0_svc+0x78/0x1e0 [ 78.354792][ T5674] el0t_64_sync_handler+0xcc/0xe4 [ 78.355543][ T5674] el0t_64_sync+0x1a0/0x1a4 [ 78.384884][ T5674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.386788][ T5674] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.402544][ T5678] loop4: detected capacity change from 0 to 32768 [ 78.408392][ T5680] loop1: detected capacity change from 0 to 32768 [ 78.427142][ T5676] loop0: detected capacity change from 0 to 32768 [ 78.453772][ T5676] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.454928][ T5676] CPU: 1 PID: 5676 Comm: syz.0.62 Not tainted syzkaller #0 [ 78.456086][ T5676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.457573][ T5676] Call trace: [ 78.458094][ T5676] dump_backtrace+0x0/0x43c [ 78.458790][ T5676] show_stack+0x2c/0x3c [ 78.459415][ T5676] __dump_stack+0x30/0x40 [ 78.460053][ T5676] dump_stack_lvl+0xf8/0x160 [ 78.460706][ T5676] dump_stack+0x1c/0x5c [ 78.461358][ T5676] sysfs_create_dir_ns+0x22c/0x24c [ 78.462104][ T5676] kobject_add_internal+0x590/0xc54 [ 78.462948][ T5676] kobject_init_and_add+0x118/0x17c [ 78.463684][ T5676] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.464353][ T5676] gfs2_fill_super+0xdac/0x19e0 [ 78.465089][ T5676] get_tree_bdev+0x358/0x544 [ 78.465810][ T5676] gfs2_get_tree+0x54/0x1b4 [ 78.466462][ T5676] vfs_get_tree+0x90/0x274 [ 78.467043][ T5676] do_new_mount+0x228/0x810 [ 78.467666][ T5676] path_mount+0x5b4/0x1000 [ 78.468266][ T5676] __arm64_sys_mount+0x514/0x5e4 [ 78.469013][ T5676] invoke_syscall+0x98/0x2b8 [ 78.469678][ T5676] el0_svc_common+0x138/0x258 [ 78.470398][ T5676] do_el0_svc+0x58/0x14c [ 78.471021][ T5676] el0_svc+0x78/0x1e0 [ 78.471578][ T5676] el0t_64_sync_handler+0xcc/0xe4 [ 78.472296][ T5676] el0t_64_sync+0x1a0/0x1a4 [ 78.473666][ T5680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.474827][ T5680] CPU: 0 PID: 5680 Comm: syz.1.64 Not tainted syzkaller #0 [ 78.475977][ T5680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.477602][ T5680] Call trace: [ 78.478105][ T5680] dump_backtrace+0x0/0x43c [ 78.478864][ T5680] show_stack+0x2c/0x3c [ 78.479571][ T5680] __dump_stack+0x30/0x40 [ 78.480297][ T5680] dump_stack_lvl+0xf8/0x160 [ 78.481057][ T5680] dump_stack+0x1c/0x5c [ 78.481727][ T5680] sysfs_create_dir_ns+0x22c/0x24c [ 78.482565][ T5680] kobject_add_internal+0x590/0xc54 [ 78.483434][ T5680] kobject_init_and_add+0x118/0x17c [ 78.483789][ T5676] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.484268][ T5680] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.486248][ T5676] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.487031][ T5680] gfs2_fill_super+0xdac/0x19e0 [ 78.488703][ T5680] get_tree_bdev+0x358/0x544 [ 78.489408][ T5680] gfs2_get_tree+0x54/0x1b4 [ 78.490136][ T5680] vfs_get_tree+0x90/0x274 [ 78.490847][ T5680] do_new_mount+0x228/0x810 [ 78.491583][ T5680] path_mount+0x5b4/0x1000 [ 78.492263][ T5680] __arm64_sys_mount+0x514/0x5e4 [ 78.493027][ T5680] invoke_syscall+0x98/0x2b8 [ 78.493770][ T5680] el0_svc_common+0x138/0x258 [ 78.494522][ T5680] do_el0_svc+0x58/0x14c [ 78.495202][ T5680] el0_svc+0x78/0x1e0 [ 78.495838][ T5680] el0t_64_sync_handler+0xcc/0xe4 [ 78.496589][ T5680] el0t_64_sync+0x1a0/0x1a4 [ 78.500007][ T5678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.501202][ T5678] CPU: 0 PID: 5678 Comm: syz.4.63 Not tainted syzkaller #0 [ 78.502387][ T5678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.504037][ T5678] Call trace: [ 78.504553][ T5678] dump_backtrace+0x0/0x43c [ 78.505272][ T5678] show_stack+0x2c/0x3c [ 78.505947][ T5678] __dump_stack+0x30/0x40 [ 78.506670][ T5678] dump_stack_lvl+0xf8/0x160 [ 78.507392][ T5678] dump_stack+0x1c/0x5c [ 78.508124][ T5678] sysfs_create_dir_ns+0x22c/0x24c [ 78.509006][ T5678] kobject_add_internal+0x590/0xc54 [ 78.509897][ T5678] kobject_init_and_add+0x118/0x17c [ 78.510791][ T5678] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.511642][ T5678] gfs2_fill_super+0xdac/0x19e0 [ 78.512455][ T5678] get_tree_bdev+0x358/0x544 [ 78.513134][ T5678] gfs2_get_tree+0x54/0x1b4 [ 78.513801][ T5678] vfs_get_tree+0x90/0x274 [ 78.514478][ T5678] do_new_mount+0x228/0x810 [ 78.515173][ T5678] path_mount+0x5b4/0x1000 [ 78.515885][ T5678] __arm64_sys_mount+0x514/0x5e4 [ 78.516747][ T5678] invoke_syscall+0x98/0x2b8 [ 78.517489][ T5678] el0_svc_common+0x138/0x258 [ 78.518233][ T5678] do_el0_svc+0x58/0x14c [ 78.518883][ T5678] el0_svc+0x78/0x1e0 [ 78.519458][ T5678] el0t_64_sync_handler+0xcc/0xe4 [ 78.520280][ T5678] el0t_64_sync+0x1a0/0x1a4 [ 78.529779][ T5680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.531931][ T5680] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.543479][ T5678] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.545420][ T5678] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.640996][ T5682] loop2: detected capacity change from 0 to 32768 [ 78.665160][ T5682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.666358][ T5682] CPU: 0 PID: 5682 Comm: syz.2.65 Not tainted syzkaller #0 [ 78.667485][ T5682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.669185][ T5682] Call trace: [ 78.669672][ T5682] dump_backtrace+0x0/0x43c [ 78.670443][ T5682] show_stack+0x2c/0x3c [ 78.671146][ T5682] __dump_stack+0x30/0x40 [ 78.671878][ T5682] dump_stack_lvl+0xf8/0x160 [ 78.672599][ T5682] dump_stack+0x1c/0x5c [ 78.673281][ T5682] sysfs_create_dir_ns+0x22c/0x24c [ 78.674043][ T5682] kobject_add_internal+0x590/0xc54 [ 78.674889][ T5682] kobject_init_and_add+0x118/0x17c [ 78.675674][ T5682] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.676371][ T5682] gfs2_fill_super+0xdac/0x19e0 [ 78.677074][ T5682] get_tree_bdev+0x358/0x544 [ 78.677732][ T5682] gfs2_get_tree+0x54/0x1b4 [ 78.678408][ T5682] vfs_get_tree+0x90/0x274 [ 78.679114][ T5682] do_new_mount+0x228/0x810 [ 78.679848][ T5682] path_mount+0x5b4/0x1000 [ 78.680545][ T5682] __arm64_sys_mount+0x514/0x5e4 [ 78.681312][ T5682] invoke_syscall+0x98/0x2b8 [ 78.682005][ T5682] el0_svc_common+0x138/0x258 [ 78.682862][ T5682] do_el0_svc+0x58/0x14c [ 78.683535][ T5682] el0_svc+0x78/0x1e0 [ 78.684213][ T5682] el0t_64_sync_handler+0xcc/0xe4 [ 78.685005][ T5682] el0t_64_sync+0x1a0/0x1a4 [ 78.716229][ T5682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.718332][ T5682] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.756705][ T5678] loop4: detected capacity change from 0 to 32768 [ 78.781241][ T5684] loop0: detected capacity change from 0 to 32768 [ 78.805335][ T5678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.806505][ T5678] CPU: 0 PID: 5678 Comm: syz.4.63 Not tainted syzkaller #0 [ 78.807623][ T5678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.809344][ T5678] Call trace: [ 78.809888][ T5678] dump_backtrace+0x0/0x43c [ 78.810651][ T5678] show_stack+0x2c/0x3c [ 78.811349][ T5678] __dump_stack+0x30/0x40 [ 78.812061][ T5678] dump_stack_lvl+0xf8/0x160 [ 78.812817][ T5678] dump_stack+0x1c/0x5c [ 78.813470][ T5678] sysfs_create_dir_ns+0x22c/0x24c [ 78.814296][ T5678] kobject_add_internal+0x590/0xc54 [ 78.815153][ T5678] kobject_init_and_add+0x118/0x17c [ 78.815942][ T5678] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.816714][ T5678] gfs2_fill_super+0xdac/0x19e0 [ 78.817487][ T5678] get_tree_bdev+0x358/0x544 [ 78.818219][ T5678] gfs2_get_tree+0x54/0x1b4 [ 78.818939][ T5680] loop1: detected capacity change from 0 to 32768 [ 78.818949][ T5678] vfs_get_tree+0x90/0x274 [ 78.820635][ T5678] do_new_mount+0x228/0x810 [ 78.821330][ T5678] path_mount+0x5b4/0x1000 [ 78.821977][ T5678] __arm64_sys_mount+0x514/0x5e4 [ 78.822715][ T5678] invoke_syscall+0x98/0x2b8 [ 78.823417][ T5678] el0_svc_common+0x138/0x258 [ 78.824119][ T5678] do_el0_svc+0x58/0x14c [ 78.824754][ T5678] el0_svc+0x78/0x1e0 [ 78.825378][ T5678] el0t_64_sync_handler+0xcc/0xe4 [ 78.826190][ T5678] el0t_64_sync+0x1a0/0x1a4 [ 78.839837][ T5678] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.841723][ T5678] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.856163][ T5680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.857343][ T5680] CPU: 1 PID: 5680 Comm: syz.1.64 Not tainted syzkaller #0 [ 78.858357][ T5680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.859758][ T5680] Call trace: [ 78.860190][ T5680] dump_backtrace+0x0/0x43c [ 78.860816][ T5680] show_stack+0x2c/0x3c [ 78.861512][ T5680] __dump_stack+0x30/0x40 [ 78.862219][ T5680] dump_stack_lvl+0xf8/0x160 [ 78.862955][ T5680] dump_stack+0x1c/0x5c [ 78.863615][ T5680] sysfs_create_dir_ns+0x22c/0x24c [ 78.864399][ T5680] kobject_add_internal+0x590/0xc54 [ 78.865217][ T5680] kobject_init_and_add+0x118/0x17c [ 78.866049][ T5680] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.866776][ T5680] gfs2_fill_super+0xdac/0x19e0 [ 78.867522][ T5680] get_tree_bdev+0x358/0x544 [ 78.868199][ T5680] gfs2_get_tree+0x54/0x1b4 [ 78.868870][ T5680] vfs_get_tree+0x90/0x274 [ 78.869545][ T5680] do_new_mount+0x228/0x810 [ 78.870229][ T5680] path_mount+0x5b4/0x1000 [ 78.870954][ T5680] __arm64_sys_mount+0x514/0x5e4 [ 78.871714][ T5680] invoke_syscall+0x98/0x2b8 [ 78.872447][ T5680] el0_svc_common+0x138/0x258 [ 78.873203][ T5680] do_el0_svc+0x58/0x14c [ 78.873856][ T5680] el0_svc+0x78/0x1e0 [ 78.874420][ T5680] el0t_64_sync_handler+0xcc/0xe4 [ 78.875237][ T5680] el0t_64_sync+0x1a0/0x1a4 [ 78.880195][ T5684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.881228][ T5684] CPU: 1 PID: 5684 Comm: syz.0.66 Not tainted syzkaller #0 [ 78.882192][ T5684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.883615][ T5684] Call trace: [ 78.884071][ T5684] dump_backtrace+0x0/0x43c [ 78.884777][ T5684] show_stack+0x2c/0x3c [ 78.885445][ T5684] __dump_stack+0x30/0x40 [ 78.886140][ T5684] dump_stack_lvl+0xf8/0x160 [ 78.886817][ T5684] dump_stack+0x1c/0x5c [ 78.887471][ T5684] sysfs_create_dir_ns+0x22c/0x24c [ 78.888312][ T5684] kobject_add_internal+0x590/0xc54 [ 78.889157][ T5684] kobject_init_and_add+0x118/0x17c [ 78.889943][ T5684] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.890112][ T5682] loop2: detected capacity change from 0 to 32768 [ 78.890683][ T5684] gfs2_fill_super+0xdac/0x19e0 [ 78.892414][ T5684] get_tree_bdev+0x358/0x544 [ 78.893115][ T5684] gfs2_get_tree+0x54/0x1b4 [ 78.893772][ T5684] vfs_get_tree+0x90/0x274 [ 78.894463][ T5684] do_new_mount+0x228/0x810 [ 78.895170][ T5684] path_mount+0x5b4/0x1000 [ 78.895827][ T5684] __arm64_sys_mount+0x514/0x5e4 [ 78.896289][ T5680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.896575][ T5684] invoke_syscall+0x98/0x2b8 [ 78.898682][ T5680] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.899257][ T5684] el0_svc_common+0x138/0x258 [ 78.900980][ T5684] do_el0_svc+0x58/0x14c [ 78.901625][ T5684] el0_svc+0x78/0x1e0 [ 78.902263][ T5684] el0t_64_sync_handler+0xcc/0xe4 [ 78.903033][ T5684] el0t_64_sync+0x1a0/0x1a4 [ 78.905559][ T5684] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.907698][ T5684] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.909201][ T5682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.910253][ T5682] CPU: 0 PID: 5682 Comm: syz.2.65 Not tainted syzkaller #0 [ 78.911328][ T5682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.912844][ T5682] Call trace: [ 78.913360][ T5682] dump_backtrace+0x0/0x43c [ 78.914080][ T5682] show_stack+0x2c/0x3c [ 78.914756][ T5682] __dump_stack+0x30/0x40 [ 78.915441][ T5682] dump_stack_lvl+0xf8/0x160 [ 78.916148][ T5682] dump_stack+0x1c/0x5c [ 78.916807][ T5682] sysfs_create_dir_ns+0x22c/0x24c [ 78.917553][ T5682] kobject_add_internal+0x590/0xc54 [ 78.918312][ T5682] kobject_init_and_add+0x118/0x17c [ 78.919087][ T5682] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.919831][ T5682] gfs2_fill_super+0xdac/0x19e0 [ 78.920603][ T5682] get_tree_bdev+0x358/0x544 [ 78.921309][ T5682] gfs2_get_tree+0x54/0x1b4 [ 78.922047][ T5682] vfs_get_tree+0x90/0x274 [ 78.922813][ T5682] do_new_mount+0x228/0x810 [ 78.923589][ T5682] path_mount+0x5b4/0x1000 [ 78.924298][ T5682] __arm64_sys_mount+0x514/0x5e4 [ 78.925052][ T5682] invoke_syscall+0x98/0x2b8 [ 78.925745][ T5682] el0_svc_common+0x138/0x258 [ 78.926467][ T5682] do_el0_svc+0x58/0x14c [ 78.927147][ T5682] el0_svc+0x78/0x1e0 [ 78.927767][ T5682] el0t_64_sync_handler+0xcc/0xe4 [ 78.928532][ T5682] el0t_64_sync+0x1a0/0x1a4 [ 78.939558][ T5682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.941390][ T5682] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.148928][ T5684] loop0: detected capacity change from 0 to 32768 [ 79.176814][ T5686] loop1: detected capacity change from 0 to 32768 [ 79.185717][ T5688] loop2: detected capacity change from 0 to 32768 [ 79.205416][ T5686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.206710][ T5686] CPU: 0 PID: 5686 Comm: syz.1.67 Not tainted syzkaller #0 [ 79.207787][ T5686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.209372][ T5686] Call trace: [ 79.209857][ T5686] dump_backtrace+0x0/0x43c [ 79.210527][ T5686] show_stack+0x2c/0x3c [ 79.211089][ T5686] __dump_stack+0x30/0x40 [ 79.211731][ T5686] dump_stack_lvl+0xf8/0x160 [ 79.212346][ T5686] dump_stack+0x1c/0x5c [ 79.212948][ T5686] sysfs_create_dir_ns+0x22c/0x24c [ 79.213720][ T5686] kobject_add_internal+0x590/0xc54 [ 79.214540][ T5686] kobject_init_and_add+0x118/0x17c [ 79.215347][ T5686] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.216072][ T5686] gfs2_fill_super+0xdac/0x19e0 [ 79.216831][ T5686] get_tree_bdev+0x358/0x544 [ 79.217549][ T5686] gfs2_get_tree+0x54/0x1b4 [ 79.218299][ T5686] vfs_get_tree+0x90/0x274 [ 79.218999][ T5686] do_new_mount+0x228/0x810 [ 79.219674][ T5686] path_mount+0x5b4/0x1000 [ 79.220384][ T5686] __arm64_sys_mount+0x514/0x5e4 [ 79.221227][ T5686] invoke_syscall+0x98/0x2b8 [ 79.222000][ T5686] el0_svc_common+0x138/0x258 [ 79.222697][ T5686] do_el0_svc+0x58/0x14c [ 79.223362][ T5686] el0_svc+0x78/0x1e0 [ 79.224044][ T5686] el0t_64_sync_handler+0xcc/0xe4 [ 79.224825][ T5686] el0t_64_sync+0x1a0/0x1a4 [ 79.231279][ T5686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.234674][ T5690] loop4: detected capacity change from 0 to 32768 [ 79.235811][ T5686] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.237605][ T5684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.238682][ T5684] CPU: 1 PID: 5684 Comm: syz.0.66 Not tainted syzkaller #0 [ 79.239858][ T5684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.241067][ T5688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.241201][ T5684] Call trace: [ 79.242818][ T5684] dump_backtrace+0x0/0x43c [ 79.243570][ T5684] show_stack+0x2c/0x3c [ 79.244214][ T5684] __dump_stack+0x30/0x40 [ 79.244881][ T5684] dump_stack_lvl+0xf8/0x160 [ 79.245574][ T5684] dump_stack+0x1c/0x5c [ 79.246227][ T5684] sysfs_create_dir_ns+0x22c/0x24c [ 79.247106][ T5684] kobject_add_internal+0x590/0xc54 [ 79.248003][ T5684] kobject_init_and_add+0x118/0x17c [ 79.248760][ T5684] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.249503][ T5684] gfs2_fill_super+0xdac/0x19e0 [ 79.250252][ T5684] get_tree_bdev+0x358/0x544 [ 79.250946][ T5684] gfs2_get_tree+0x54/0x1b4 [ 79.251645][ T5684] vfs_get_tree+0x90/0x274 [ 79.252335][ T5684] do_new_mount+0x228/0x810 [ 79.253055][ T5684] path_mount+0x5b4/0x1000 [ 79.253723][ T5684] __arm64_sys_mount+0x514/0x5e4 [ 79.254481][ T5684] invoke_syscall+0x98/0x2b8 [ 79.255221][ T5684] el0_svc_common+0x138/0x258 [ 79.255975][ T5684] do_el0_svc+0x58/0x14c [ 79.256660][ T5684] el0_svc+0x78/0x1e0 [ 79.257282][ T5684] el0t_64_sync_handler+0xcc/0xe4 [ 79.258072][ T5684] el0t_64_sync+0x1a0/0x1a4 [ 79.258734][ T5688] CPU: 0 PID: 5688 Comm: syz.2.68 Not tainted syzkaller #0 [ 79.259784][ T5688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.261285][ T5688] Call trace: [ 79.261761][ T5688] dump_backtrace+0x0/0x43c [ 79.262453][ T5688] show_stack+0x2c/0x3c [ 79.262514][ T5684] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.263079][ T5688] __dump_stack+0x30/0x40 [ 79.263098][ T5688] dump_stack_lvl+0xf8/0x160 [ 79.263106][ T5688] dump_stack+0x1c/0x5c [ 79.263112][ T5688] sysfs_create_dir_ns+0x22c/0x24c [ 79.263118][ T5688] kobject_add_internal+0x590/0xc54 [ 79.263123][ T5688] kobject_init_and_add+0x118/0x17c [ 79.263128][ T5688] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.263134][ T5688] gfs2_fill_super+0xdac/0x19e0 [ 79.263138][ T5688] get_tree_bdev+0x358/0x544 [ 79.263143][ T5688] gfs2_get_tree+0x54/0x1b4 [ 79.263147][ T5688] vfs_get_tree+0x90/0x274 [ 79.263151][ T5688] do_new_mount+0x228/0x810 [ 79.263156][ T5688] path_mount+0x5b4/0x1000 [ 79.263160][ T5688] __arm64_sys_mount+0x514/0x5e4 [ 79.263164][ T5688] invoke_syscall+0x98/0x2b8 [ 79.263169][ T5688] el0_svc_common+0x138/0x258 [ 79.263174][ T5688] do_el0_svc+0x58/0x14c [ 79.263179][ T5688] el0_svc+0x78/0x1e0 [ 79.263183][ T5688] el0t_64_sync_handler+0xcc/0xe4 [ 79.263187][ T5688] el0t_64_sync+0x1a0/0x1a4 [ 79.263851][ T5688] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.265491][ T5684] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.266449][ T5688] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.293910][ T5690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.295096][ T5690] CPU: 1 PID: 5690 Comm: syz.4.69 Not tainted syzkaller #0 [ 79.296133][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.297529][ T5690] Call trace: [ 79.297968][ T5690] dump_backtrace+0x0/0x43c [ 79.298585][ T5690] show_stack+0x2c/0x3c [ 79.299137][ T5690] __dump_stack+0x30/0x40 [ 79.299762][ T5690] dump_stack_lvl+0xf8/0x160 [ 79.300399][ T5690] dump_stack+0x1c/0x5c [ 79.300985][ T5690] sysfs_create_dir_ns+0x22c/0x24c [ 79.301647][ T5690] kobject_add_internal+0x590/0xc54 [ 79.302345][ T5690] kobject_init_and_add+0x118/0x17c [ 79.303069][ T5690] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.303793][ T5690] gfs2_fill_super+0xdac/0x19e0 [ 79.304569][ T5690] get_tree_bdev+0x358/0x544 [ 79.305288][ T5690] gfs2_get_tree+0x54/0x1b4 [ 79.305941][ T5690] vfs_get_tree+0x90/0x274 [ 79.306561][ T5690] do_new_mount+0x228/0x810 [ 79.307245][ T5690] path_mount+0x5b4/0x1000 [ 79.307914][ T5690] __arm64_sys_mount+0x514/0x5e4 [ 79.308703][ T5690] invoke_syscall+0x98/0x2b8 [ 79.309448][ T5690] el0_svc_common+0x138/0x258 [ 79.310211][ T5690] do_el0_svc+0x58/0x14c [ 79.310901][ T5690] el0_svc+0x78/0x1e0 [ 79.311506][ T5690] el0t_64_sync_handler+0xcc/0xe4 [ 79.312205][ T5690] el0t_64_sync+0x1a0/0x1a4 [ 79.316278][ T5690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.318236][ T5690] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.482940][ T5688] loop2: detected capacity change from 0 to 32768 [ 79.504000][ T5690] loop4: detected capacity change from 0 to 32768 [ 79.525339][ T5688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.526502][ T5688] CPU: 0 PID: 5688 Comm: syz.2.68 Not tainted syzkaller #0 [ 79.527620][ T5688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.529244][ T5688] Call trace: [ 79.529765][ T5688] dump_backtrace+0x0/0x43c [ 79.530447][ T5688] show_stack+0x2c/0x3c [ 79.531097][ T5688] __dump_stack+0x30/0x40 [ 79.531723][ T5688] dump_stack_lvl+0xf8/0x160 [ 79.532444][ T5688] dump_stack+0x1c/0x5c [ 79.533106][ T5688] sysfs_create_dir_ns+0x22c/0x24c [ 79.533901][ T5688] kobject_add_internal+0x590/0xc54 [ 79.534727][ T5688] kobject_init_and_add+0x118/0x17c [ 79.535544][ T5688] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.536303][ T5688] gfs2_fill_super+0xdac/0x19e0 [ 79.537108][ T5688] get_tree_bdev+0x358/0x544 [ 79.537859][ T5688] gfs2_get_tree+0x54/0x1b4 [ 79.538573][ T5688] vfs_get_tree+0x90/0x274 [ 79.539247][ T5688] do_new_mount+0x228/0x810 [ 79.539959][ T5688] path_mount+0x5b4/0x1000 [ 79.540696][ T5688] __arm64_sys_mount+0x514/0x5e4 [ 79.541468][ T5688] invoke_syscall+0x98/0x2b8 [ 79.542248][ T5688] el0_svc_common+0x138/0x258 [ 79.542965][ T5688] do_el0_svc+0x58/0x14c [ 79.543600][ T5688] el0_svc+0x78/0x1e0 [ 79.544180][ T5688] el0t_64_sync_handler+0xcc/0xe4 [ 79.545004][ T5688] el0t_64_sync+0x1a0/0x1a4 [ 79.545833][ T5690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.546934][ T5690] CPU: 0 PID: 5690 Comm: syz.4.69 Not tainted syzkaller #0 [ 79.548009][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.549665][ T5690] Call trace: [ 79.550203][ T5690] dump_backtrace+0x0/0x43c [ 79.550947][ T5690] show_stack+0x2c/0x3c [ 79.551574][ T5690] __dump_stack+0x30/0x40 [ 79.552255][ T5690] dump_stack_lvl+0xf8/0x160 [ 79.552949][ T5690] dump_stack+0x1c/0x5c [ 79.553597][ T5690] sysfs_create_dir_ns+0x22c/0x24c [ 79.554428][ T5690] kobject_add_internal+0x590/0xc54 [ 79.555231][ T5690] kobject_init_and_add+0x118/0x17c [ 79.556005][ T5690] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.556788][ T5690] gfs2_fill_super+0xdac/0x19e0 [ 79.557575][ T5690] get_tree_bdev+0x358/0x544 [ 79.558278][ T5690] gfs2_get_tree+0x54/0x1b4 [ 79.558988][ T5690] vfs_get_tree+0x90/0x274 [ 79.559693][ T5690] do_new_mount+0x228/0x810 [ 79.560389][ T5690] path_mount+0x5b4/0x1000 [ 79.561044][ T5690] __arm64_sys_mount+0x514/0x5e4 [ 79.561891][ T5690] invoke_syscall+0x98/0x2b8 [ 79.562681][ T5690] el0_svc_common+0x138/0x258 [ 79.563386][ T5690] do_el0_svc+0x58/0x14c [ 79.564029][ T5690] el0_svc+0x78/0x1e0 [ 79.564728][ T5690] el0t_64_sync_handler+0xcc/0xe4 [ 79.565541][ T5690] el0t_64_sync+0x1a0/0x1a4 [ 79.583092][ T5688] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.585028][ T5688] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.594413][ T5690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.596550][ T5690] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.603891][ T5686] loop1: detected capacity change from 0 to 32768 [ 79.606407][ T5686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.607569][ T5686] CPU: 1 PID: 5686 Comm: syz.1.67 Not tainted syzkaller #0 [ 79.608602][ T5686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.609565][ T5692] loop0: detected capacity change from 0 to 32768 [ 79.610087][ T5686] Call trace: [ 79.611482][ T5686] dump_backtrace+0x0/0x43c [ 79.611674][ T5692] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.612244][ T5686] show_stack+0x2c/0x3c [ 79.613994][ T5686] __dump_stack+0x30/0x40 [ 79.614695][ T5686] dump_stack_lvl+0xf8/0x160 [ 79.615436][ T5686] dump_stack+0x1c/0x5c [ 79.616133][ T5686] sysfs_create_dir_ns+0x22c/0x24c [ 79.616879][ T5686] kobject_add_internal+0x590/0xc54 [ 79.617652][ T5686] kobject_init_and_add+0x118/0x17c [ 79.618489][ T5686] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.619220][ T5686] gfs2_fill_super+0xdac/0x19e0 [ 79.619982][ T5686] get_tree_bdev+0x358/0x544 [ 79.620709][ T5686] gfs2_get_tree+0x54/0x1b4 [ 79.621424][ T5686] vfs_get_tree+0x90/0x274 [ 79.622050][ T5686] do_new_mount+0x228/0x810 [ 79.622746][ T5686] path_mount+0x5b4/0x1000 [ 79.623350][ T5686] __arm64_sys_mount+0x514/0x5e4 [ 79.624077][ T5686] invoke_syscall+0x98/0x2b8 [ 79.624713][ T5686] el0_svc_common+0x138/0x258 [ 79.625438][ T5686] do_el0_svc+0x58/0x14c [ 79.626105][ T5686] el0_svc+0x78/0x1e0 [ 79.626674][ T5686] el0t_64_sync_handler+0xcc/0xe4 [ 79.627444][ T5686] el0t_64_sync+0x1a0/0x1a4 [ 79.628153][ T5692] CPU: 0 PID: 5692 Comm: syz.0.70 Not tainted syzkaller #0 [ 79.629192][ T5692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.630744][ T5692] Call trace: [ 79.631270][ T5692] dump_backtrace+0x0/0x43c [ 79.632016][ T5692] show_stack+0x2c/0x3c [ 79.632691][ T5692] __dump_stack+0x30/0x40 [ 79.633428][ T5692] dump_stack_lvl+0xf8/0x160 [ 79.634153][ T5692] dump_stack+0x1c/0x5c [ 79.634875][ T5692] sysfs_create_dir_ns+0x22c/0x24c [ 79.635704][ T5692] kobject_add_internal+0x590/0xc54 [ 79.636553][ T5692] kobject_init_and_add+0x118/0x17c [ 79.637411][ T5692] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.638174][ T5692] gfs2_fill_super+0xdac/0x19e0 [ 79.638916][ T5692] get_tree_bdev+0x358/0x544 [ 79.639627][ T5692] gfs2_get_tree+0x54/0x1b4 [ 79.640419][ T5692] vfs_get_tree+0x90/0x274 [ 79.641110][ T5692] do_new_mount+0x228/0x810 [ 79.641770][ T5692] path_mount+0x5b4/0x1000 [ 79.642288][ T5686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.642436][ T5692] __arm64_sys_mount+0x514/0x5e4 [ 79.644493][ T5686] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.645226][ T5692] invoke_syscall+0x98/0x2b8 [ 79.646812][ T5692] el0_svc_common+0x138/0x258 [ 79.647596][ T5692] do_el0_svc+0x58/0x14c [ 79.648321][ T5692] el0_svc+0x78/0x1e0 [ 79.649004][ T5692] el0t_64_sync_handler+0xcc/0xe4 [ 79.649805][ T5692] el0t_64_sync+0x1a0/0x1a4 [ 79.693112][ T5692] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.695137][ T5692] gfs2: fsid=syz:syz: error -17 adding sysfs files