Warning: Permanently added '10.128.1.38' (ED25519) to the list of known hosts. 1970/01/01 00:00:54 parsed 1 programs [ 56.000480][ T4550] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 59.696762][ T4751] chnl_net:caif_netlink_parms(): no params data found [ 59.719225][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.720501][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.721841][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.734586][ T4751] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.735732][ T4751] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.737314][ T4751] device bridge_slave_0 entered promiscuous mode [ 59.740144][ T4751] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.741370][ T4751] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.742934][ T4751] device bridge_slave_1 entered promiscuous mode [ 59.746498][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.747838][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.752519][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.761575][ T4751] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.764287][ T4751] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.788031][ T4751] team0: Port device team_slave_0 added [ 59.790261][ T4751] team0: Port device team_slave_1 added [ 59.796720][ T4751] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.797874][ T4751] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 59.802905][ T4751] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.805257][ T4751] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.806501][ T4751] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 59.811507][ T4751] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.869841][ T4751] device hsr_slave_0 entered promiscuous mode [ 59.909016][ T4751] device hsr_slave_1 entered promiscuous mode [ 60.496136][ T4751] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.520969][ T4751] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.571407][ T4751] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.600441][ T4751] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.663187][ T4751] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.667004][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.668506][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.672518][ T4751] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.675106][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.676683][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.678574][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.679853][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.686535][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.688172][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.690319][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.691903][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.692975][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.717081][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.719059][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.720750][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.722782][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.724372][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.725974][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.727578][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.731928][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.738559][ T4751] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.745185][ T4751] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.753309][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.754989][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.756845][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.797891][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.799735][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.804018][ T4751] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.864263][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.865906][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.871677][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.873314][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.875080][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.876405][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.878180][ T4751] device veth0_vlan entered promiscuous mode [ 60.882815][ T4751] device veth1_vlan entered promiscuous mode [ 60.891979][ T4751] device veth0_macvtap entered promiscuous mode [ 60.894354][ T4751] device veth1_macvtap entered promiscuous mode [ 60.899651][ T4751] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.900889][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.902500][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.904071][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.905647][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.907128][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.908569][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.911748][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.915461][ T4751] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.917795][ T4751] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.920819][ T4751] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.922155][ T4751] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.923573][ T4751] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.925927][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.927475][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.929345][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:00 executed programs: 0 [ 61.095780][ T4914] chnl_net:caif_netlink_parms(): no params data found [ 61.231839][ T4914] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.233193][ T4914] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.234723][ T4914] device bridge_slave_0 entered promiscuous mode [ 61.251355][ T4914] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.253131][ T4914] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.254890][ T4914] device bridge_slave_1 entered promiscuous mode [ 61.302515][ T4924] chnl_net:caif_netlink_parms(): no params data found [ 61.321154][ T4914] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.331436][ T4930] chnl_net:caif_netlink_parms(): no params data found [ 61.343946][ T4914] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.372799][ T4932] chnl_net:caif_netlink_parms(): no params data found [ 61.376275][ T4914] team0: Port device team_slave_0 added [ 61.406954][ T4914] team0: Port device team_slave_1 added [ 61.432943][ T4930] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.434255][ T4930] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.435799][ T4930] device bridge_slave_0 entered promiscuous mode [ 61.441987][ T4933] chnl_net:caif_netlink_parms(): no params data found [ 61.452596][ T4914] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.453832][ T4914] 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. [ 61.457934][ T4914] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.460544][ T4930] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.461792][ T4930] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.463397][ T4930] device bridge_slave_1 entered promiscuous mode [ 61.466576][ T4924] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.467731][ T4924] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.472591][ T4924] device bridge_slave_0 entered promiscuous mode [ 61.479781][ T4914] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.480911][ T4914] 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. [ 61.485124][ T4914] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.497185][ T4924] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.498398][ T4924] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.500491][ T4924] device bridge_slave_1 entered promiscuous mode [ 61.518280][ T4932] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.520097][ T4932] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.521754][ T4932] device bridge_slave_0 entered promiscuous mode [ 61.523760][ T4932] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.524910][ T4932] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.526471][ T4932] device bridge_slave_1 entered promiscuous mode [ 61.541682][ T4930] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.544396][ T4924] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.547552][ T4924] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.555483][ T4933] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.556734][ T4933] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.563175][ T4933] device bridge_slave_0 entered promiscuous mode [ 61.565378][ T4933] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.567568][ T4933] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.569606][ T4933] device bridge_slave_1 entered promiscuous mode [ 61.574772][ T4930] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.630369][ T4914] device hsr_slave_0 entered promiscuous mode [ 61.659224][ T4914] device hsr_slave_1 entered promiscuous mode [ 61.688995][ T4914] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.690239][ T4914] Cannot create hsr debugfs directory [ 61.698677][ T4932] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.703636][ T4924] team0: Port device team_slave_0 added [ 61.713737][ T4932] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.727249][ T4933] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.730235][ T4933] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.735798][ T4924] team0: Port device team_slave_1 added [ 61.742761][ T4930] team0: Port device team_slave_0 added [ 61.763720][ T4930] team0: Port device team_slave_1 added [ 61.776386][ T4924] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.777541][ T4924] 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. [ 61.786223][ T4924] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.794008][ T4933] team0: Port device team_slave_0 added [ 61.796137][ T4933] team0: Port device team_slave_1 added [ 61.811136][ T4932] team0: Port device team_slave_0 added [ 61.813121][ T4932] team0: Port device team_slave_1 added [ 61.825071][ T4924] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.826303][ T4924] 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. [ 61.831173][ T4924] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.839276][ T4930] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.840388][ T4930] 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. [ 61.844803][ T4930] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.869456][ T4933] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.870625][ T4933] 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. [ 61.874765][ T4933] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.877040][ T4930] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.878113][ T4930] 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. [ 61.883422][ T4930] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.888743][ T4932] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.890446][ 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. [ 61.894673][ T4932] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.903846][ T4933] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.905113][ T4933] 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. [ 61.910168][ T4933] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.970079][ T4924] device hsr_slave_0 entered promiscuous mode [ 62.019002][ T4924] device hsr_slave_1 entered promiscuous mode [ 62.068854][ T4924] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.070175][ T4924] Cannot create hsr debugfs directory [ 62.087451][ T4932] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.088580][ 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. [ 62.092792][ T4932] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.150116][ T4930] device hsr_slave_0 entered promiscuous mode [ 62.189262][ T4930] device hsr_slave_1 entered promiscuous mode [ 62.238942][ T4930] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.240206][ T4930] Cannot create hsr debugfs directory [ 62.260969][ T4932] device hsr_slave_0 entered promiscuous mode [ 62.319289][ T4932] device hsr_slave_1 entered promiscuous mode [ 62.332731][ T4932] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.334066][ T4932] Cannot create hsr debugfs directory [ 62.391711][ T4933] device hsr_slave_0 entered promiscuous mode [ 62.429339][ T4933] device hsr_slave_1 entered promiscuous mode [ 62.459113][ T4933] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.460368][ T4933] Cannot create hsr debugfs directory [ 62.884981][ T4930] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.920702][ T4930] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.974559][ T4930] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 63.010183][ T4930] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.054601][ T4933] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.059243][ T4932] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.064196][ T4149] Bluetooth: hci1: command 0x0409 tx timeout [ 63.100295][ T4932] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.150386][ T4932] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.171715][ T4932] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.218911][ T4158] Bluetooth: hci2: command 0x0409 tx timeout [ 63.219962][ T4158] Bluetooth: hci3: command 0x0409 tx timeout [ 63.220006][ T4143] Bluetooth: hci4: command 0x0409 tx timeout [ 63.224560][ T4143] Bluetooth: hci5: command 0x0409 tx timeout [ 63.242100][ T4930] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.252770][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.254253][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.257927][ T4930] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.263299][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.265014][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.266536][ T4171] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.267687][ T4171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.273052][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.281448][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.283031][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.284380][ T563] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.285502][ T563] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.286763][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.300152][ T4932] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.305699][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.307507][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.313411][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.315187][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.322593][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.324520][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.333552][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.335597][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.337081][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.357513][ T4932] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.360541][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.363813][ T4930] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.372893][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.374517][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.376094][ T4171] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.377241][ T4171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.378702][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.381067][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.382583][ T4171] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.383756][ T4171] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.394210][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.395880][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.403241][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.408075][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.411525][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.413253][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.414883][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.420636][ T4932] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.422367][ T4932] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.426474][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.428119][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.431480][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.436217][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.455370][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.456656][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.462515][ T4930] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.477310][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.488065][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.490057][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.494375][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.495881][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.500537][ T4930] device veth0_vlan entered promiscuous mode [ 63.507307][ T4930] device veth1_vlan entered promiscuous mode [ 63.520418][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.522092][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.523589][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.525373][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.533477][ T4932] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.535686][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.537088][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.540219][ T4930] device veth0_macvtap entered promiscuous mode [ 63.545642][ T4930] device veth1_macvtap entered promiscuous mode [ 63.552033][ T4930] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.553710][ T4930] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.556096][ T4930] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.560479][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.562042][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.563520][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.565108][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.568630][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.570731][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.572760][ T4930] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.574605][ T4930] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.576796][ T4930] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.584449][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.586263][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.594517][ T4930] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.595926][ T4930] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.597433][ T4930] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.599656][ T4930] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.601924][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.603625][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.605218][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.606516][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.609498][ T4932] device veth0_vlan entered promiscuous mode [ 63.613756][ T4932] device veth1_vlan entered promiscuous mode [ 63.658978][ T563] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.660260][ T563] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.662303][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.663983][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.665569][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.678724][ T4932] device veth0_macvtap entered promiscuous mode [ 63.685061][ T4171] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.685627][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.686341][ T4171] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.688160][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.691293][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.693242][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.696358][ T4932] device veth1_macvtap entered promiscuous mode [ 63.707609][ T4932] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.710087][ T4932] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.721570][ T4932] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 63.723560][ T4932] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.726365][ T4932] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.728370][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.730314][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.731792][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.734574][ T4932] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.736412][ T4932] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.738428][ T4932] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 63.743876][ T4932] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.746337][ T4932] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.748665][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.754446][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.757898][ T4932] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.760744][ T4932] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.762113][ T4932] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.763552][ T4932] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.787654][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.789110][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.797301][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.814843][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.816049][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.817388][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.971298][ T5202] loop2: detected capacity change from 0 to 32768 [ 64.004175][ T5202] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 64.005512][ T5202] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 64.031144][ T5202] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 64.043232][ T5210] loop3: detected capacity change from 0 to 32768 [ 64.064613][ T5202] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 64.103231][ T5210] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.104510][ T5210] CPU: 0 PID: 5210 Comm: syz.3.18 Not tainted syzkaller #0 [ 64.105605][ T5210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 64.107158][ T5210] Call trace: [ 64.107726][ T5210] dump_backtrace+0x0/0x458 [ 64.108444][ T5210] show_stack+0x2c/0x3c [ 64.109133][ T5210] __dump_stack+0x30/0x40 [ 64.109860][ T5210] dump_stack_lvl+0xf4/0x15c [ 64.110704][ T5210] dump_stack+0x1c/0x5c [ 64.111437][ T5210] sysfs_create_dir_ns+0x244/0x264 [ 64.112333][ T5210] kobject_add_internal+0x5ac/0xc3c [ 64.113252][ T5210] kobject_init_and_add+0x124/0x190 [ 64.114146][ T5210] gfs2_sys_fs_add+0x200/0x41c [ 64.114954][ T5210] gfs2_fill_super+0xddc/0x1a18 [ 64.115798][ T5210] get_tree_bdev+0x358/0x544 [ 64.116505][ T5210] gfs2_get_tree+0x54/0x1b4 [ 64.117266][ T5210] vfs_get_tree+0x90/0x274 [ 64.118016][ T5210] do_new_mount+0x228/0x810 [ 64.118812][ T5210] path_mount+0x5bc/0x1008 [ 64.119555][ T5210] __arm64_sys_mount+0x514/0x5f0 [ 64.120347][ T5210] invoke_syscall+0x98/0x2b0 [ 64.121098][ T5210] el0_svc_common+0x138/0x258 [ 64.121876][ T5210] do_el0_svc+0x58/0x13c [ 64.122528][ T5210] el0_svc+0x78/0x1d0 [ 64.123215][ T5210] el0t_64_sync_handler+0xcc/0xe4 [ 64.124024][ T5210] el0t_64_sync+0x1a0/0x1a4 [ 64.148941][ T5210] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.151121][ T5210] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.415303][ T5210] loop3: detected capacity change from 0 to 32768 [ 64.428025][ T5210] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 64.441404][ T5210] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 64.445796][ T5210] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 64.456386][ T1968] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 64.457568][ T1968] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 64.502357][ T1968] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 44ms [ 64.504421][ T1968] gfs2: fsid=syz:syz.0: jid=0: Done [ 64.507965][ T5210] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 64.569702][ T5210] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 64.573776][ T149] [ 64.574152][ T149] ====================================================== [ 64.575201][ T149] WARNING: possible circular locking dependency detected [ 64.576150][ T149] syzkaller #0 Not tainted [ 64.576756][ T149] ------------------------------------------------------ [ 64.577874][ T149] kworker/0:1H/149 is trying to acquire lock: [ 64.578832][ T149] ffff0000d624a0e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x36c [ 64.580507][ T149] [ 64.580507][ T149] but task is already holding lock: [ 64.581741][ T149] ffff80001bf87c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 64.583717][ T149] [ 64.583717][ T149] which lock already depends on the new lock. [ 64.583717][ T149] [ 64.585509][ T149] [ 64.585509][ T149] the existing dependency chain (in reverse order) is: [ 64.587069][ T149] [ 64.587069][ T149] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 64.588666][ T149] process_one_work+0x6e0/0x1138 [ 64.589613][ T149] worker_thread+0x8f4/0x1034 [ 64.590425][ T149] kthread+0x374/0x454 [ 64.591205][ T149] ret_from_fork+0x10/0x20 [ 64.592028][ T149] [ 64.592028][ T149] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 64.593507][ T149] flush_workqueue+0x130/0x104c [ 64.594354][ T149] gfs2_gl_hash_clear+0xb0/0x2cc [ 64.595241][ T149] gfs2_put_super+0x614/0x6b4 [ 64.596012][ T149] generic_shutdown_super+0x130/0x2f0 [ 64.596937][ T149] kill_block_super+0x70/0xdc [ 64.597817][ T149] gfs2_kill_sb+0xc0/0xd4 [ 64.598597][ T149] deactivate_locked_super+0xb8/0x134 [ 64.599524][ T149] deactivate_super+0xf0/0x110 [ 64.600316][ T149] cleanup_mnt+0x3b8/0x46c [ 64.601184][ T149] __cleanup_mnt+0x20/0x30 [ 64.602051][ T149] task_work_run+0x12c/0x1d8 [ 64.602947][ T149] do_notify_resume+0x2450/0x309c [ 64.603886][ T149] el0_svc+0xf0/0x1d0 [ 64.604594][ T149] el0t_64_sync_handler+0xcc/0xe4 [ 64.605451][ T149] el0t_64_sync+0x1a0/0x1a4 [ 64.606242][ T149] [ 64.606242][ T149] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 64.607473][ T149] __lock_acquire+0x2870/0x67ec [ 64.608299][ T149] lock_acquire+0x1f4/0x618 [ 64.609126][ T149] down_write+0xbc/0x12c [ 64.609886][ T149] freeze_super+0x54/0x36c [ 64.610636][ T149] freeze_go_sync+0x128/0x31c [ 64.611453][ T149] do_xmote+0x2ec/0xf58 [ 64.612173][ T149] run_queue+0x3fc/0x698 [ 64.612898][ T149] glock_work_func+0x208/0x440 [ 64.613690][ T149] process_one_work+0x79c/0x1138 [ 64.614550][ T149] worker_thread+0x8f4/0x1034 [ 64.615351][ T149] kthread+0x374/0x454 [ 64.616137][ T149] ret_from_fork+0x10/0x20 [ 64.616982][ T149] [ 64.616982][ T149] other info that might help us debug this: [ 64.616982][ T149] [ 64.618724][ T149] Chain exists of: [ 64.618724][ T149] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 64.618724][ T149] [ 64.621598][ T149] Possible unsafe locking scenario: [ 64.621598][ T149] [ 64.622830][ T149] CPU0 CPU1 [ 64.623693][ T149] ---- ---- [ 64.624605][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 64.625686][ T149] lock((wq_completion)glock_workqueue); [ 64.627008][ T149] lock((work_completion)(&(&gl->gl_work)->work)); [ 64.628546][ T149] lock(&type->s_umount_key#50); [ 64.629432][ T149] [ 64.629432][ T149] *** DEADLOCK *** [ 64.629432][ T149] [ 64.630767][ T149] 2 locks held by kworker/0:1H/149: [ 64.631631][ T149] #0: ffff0000c68f1138 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1138 [ 64.633522][ T149] #1: ffff80001bf87c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 64.635422][ T149] [ 64.635422][ T149] stack backtrace: [ 64.636377][ T149] CPU: 0 PID: 149 Comm: kworker/0:1H Not tainted syzkaller #0 [ 64.637571][ T149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 64.639349][ T149] Workqueue: glock_workqueue glock_work_func [ 64.640290][ T149] Call trace: [ 64.640832][ T149] dump_backtrace+0x0/0x458 [ 64.641560][ T149] show_stack+0x2c/0x3c [ 64.642236][ T149] __dump_stack+0x30/0x40 [ 64.642922][ T149] dump_stack_lvl+0xf4/0x15c [ 64.643713][ T149] dump_stack+0x1c/0x5c [ 64.644368][ T149] print_circular_bug+0x148/0x1b0 [ 64.645219][ T149] check_noncircular+0x264/0x2f8 [ 64.646037][ T149] __lock_acquire+0x2870/0x67ec [ 64.646847][ T149] lock_acquire+0x1f4/0x618 [ 64.647580][ T149] down_write+0xbc/0x12c [ 64.648306][ T149] freeze_super+0x54/0x36c [ 64.649033][ T149] freeze_go_sync+0x128/0x31c [ 64.649773][ T149] do_xmote+0x2ec/0xf58 [ 64.650444][ T149] run_queue+0x3fc/0x698 [ 64.651181][ T149] glock_work_func+0x208/0x440 [ 64.651922][ T149] process_one_work+0x79c/0x1138 [ 64.652754][ T149] worker_thread+0x8f4/0x1034 [ 64.653468][ T149] kthread+0x374/0x454 [ 64.654111][ T149] ret_from_fork+0x10/0x20 [ 64.684402][ T5246] loop2: detected capacity change from 0 to 32768 [ 64.708144][ T5246] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.709415][ T5246] CPU: 0 PID: 5246 Comm: syz.2.20 Not tainted syzkaller #0 [ 64.710575][ T5246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 64.712176][ T5246] Call trace: [ 64.712660][ T5246] dump_backtrace+0x0/0x458 [ 64.713364][ T5246] show_stack+0x2c/0x3c [ 64.714023][ T5246] __dump_stack+0x30/0x40 [ 64.714720][ T5246] dump_stack_lvl+0xf4/0x15c [ 64.715428][ T5246] dump_stack+0x1c/0x5c [ 64.716071][ T5246] sysfs_create_dir_ns+0x244/0x264 [ 64.716878][ T5246] kobject_add_internal+0x5ac/0xc3c [ 64.717698][ T5246] kobject_init_and_add+0x124/0x190 [ 64.718607][ T5246] gfs2_sys_fs_add+0x200/0x41c [ 64.719329][ T5246] gfs2_fill_super+0xddc/0x1a18 [ 64.720128][ T5246] get_tree_bdev+0x358/0x544 [ 64.720894][ T5246] gfs2_get_tree+0x54/0x1b4 [ 64.721587][ T5246] vfs_get_tree+0x90/0x274 [ 64.722273][ T5246] do_new_mount+0x228/0x810 [ 64.722968][ T5246] path_mount+0x5bc/0x1008 [ 64.723635][ T5246] __arm64_sys_mount+0x514/0x5f0 [ 64.724380][ T5246] invoke_syscall+0x98/0x2b0 [ 64.725085][ T5246] el0_svc_common+0x138/0x258 [ 64.725815][ T5246] do_el0_svc+0x58/0x13c [ 64.726533][ T5246] el0_svc+0x78/0x1d0 [ 64.727175][ T5246] el0t_64_sync_handler+0xcc/0xe4 [ 64.728008][ T5246] el0t_64_sync+0x1a0/0x1a4 [ 64.729038][ T5246] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.731057][ T5246] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.844674][ T5246] loop2: detected capacity change from 0 to 32768 [ 64.850259][ T5246] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.851488][ T5246] CPU: 0 PID: 5246 Comm: syz.2.20 Not tainted syzkaller #0 [ 64.852613][ T5246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 64.854204][ T5246] Call trace: [ 64.854743][ T5246] dump_backtrace+0x0/0x458 [ 64.855581][ T5246] show_stack+0x2c/0x3c [ 64.856281][ T5246] __dump_stack+0x30/0x40 [ 64.857019][ T5246] dump_stack_lvl+0xf4/0x15c [ 64.857808][ T5246] dump_stack+0x1c/0x5c [ 64.858515][ T5246] sysfs_create_dir_ns+0x244/0x264 [ 64.859334][ T5246] kobject_add_internal+0x5ac/0xc3c [ 64.860158][ T5246] kobject_init_and_add+0x124/0x190 [ 64.861040][ T5246] gfs2_sys_fs_add+0x200/0x41c [ 64.861895][ T5246] gfs2_fill_super+0xddc/0x1a18 [ 64.862698][ T5246] get_tree_bdev+0x358/0x544 [ 64.863489][ T5246] gfs2_get_tree+0x54/0x1b4 [ 64.864276][ T5246] vfs_get_tree+0x90/0x274 [ 64.865016][ T5246] do_new_mount+0x228/0x810 [ 64.865876][ T5246] path_mount+0x5bc/0x1008 [ 64.866615][ T5246] __arm64_sys_mount+0x514/0x5f0 [ 64.867400][ T5246] invoke_syscall+0x98/0x2b0 [ 64.868142][ T5246] el0_svc_common+0x138/0x258 [ 64.868910][ T5246] do_el0_svc+0x58/0x13c [ 64.869611][ T5246] el0_svc+0x78/0x1d0 [ 64.870237][ T5246] el0t_64_sync_handler+0xcc/0xe4 [ 64.871109][ T5246] el0t_64_sync+0x1a0/0x1a4 [ 64.872473][ T5246] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.874614][ T5246] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.088335][ T5311] loop2: detected capacity change from 0 to 32768 [ 65.094622][ T5311] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.095781][ T5311] CPU: 0 PID: 5311 Comm: syz.2.21 Not tainted syzkaller #0 [ 65.096957][ T5311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 65.098505][ T5311] Call trace: [ 65.099017][ T5311] dump_backtrace+0x0/0x458 [ 65.099700][ T5311] show_stack+0x2c/0x3c [ 65.100375][ T5311] __dump_stack+0x30/0x40 [ 65.101095][ T5311] dump_stack_lvl+0xf4/0x15c [ 65.101874][ T5311] dump_stack+0x1c/0x5c [ 65.102498][ T5311] sysfs_create_dir_ns+0x244/0x264 [ 65.103312][ T5311] kobject_add_internal+0x5ac/0xc3c [ 65.104096][ T5311] kobject_init_and_add+0x124/0x190 [ 65.104895][ T5311] gfs2_sys_fs_add+0x200/0x41c [ 65.105663][ T5311] gfs2_fill_super+0xddc/0x1a18 [ 65.106476][ T5311] get_tree_bdev+0x358/0x544 [ 65.107196][ T5311] gfs2_get_tree+0x54/0x1b4 [ 65.107939][ T5311] vfs_get_tree+0x90/0x274 [ 65.108579][ T5311] do_new_mount+0x228/0x810 [ 65.109318][ T5311] path_mount+0x5bc/0x1008 [ 65.110106][ T5311] __arm64_sys_mount+0x514/0x5f0 [ 65.110911][ T5311] invoke_syscall+0x98/0x2b0 [ 65.111680][ T5311] el0_svc_common+0x138/0x258 [ 65.112483][ T5311] do_el0_svc+0x58/0x13c [ 65.113165][ T5311] el0_svc+0x78/0x1d0 [ 65.113850][ T5311] el0t_64_sync_handler+0xcc/0xe4 [ 65.114709][ T5311] el0t_64_sync+0x1a0/0x1a4 [ 65.115754][ T5311] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.117681][ T5311] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.138856][ T4143] Bluetooth: hci1: command 0x041b tx timeout [ 65.299072][ T1968] Bluetooth: hci5: command 0x041b tx timeout [ 65.302827][ T1968] Bluetooth: hci4: command 0x041b tx timeout [ 65.303837][ T1968] Bluetooth: hci3: command 0x041b tx timeout [ 65.304852][ T1968] Bluetooth: hci2: command 0x041b tx timeout [ 65.369057][ T5311] loop2: detected capacity change from 0 to 32768 [ 65.426140][ T5311] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.427458][ T5311] CPU: 1 PID: 5311 Comm: syz.2.21 Not tainted syzkaller #0 [ 65.428605][ T5311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 65.430236][ T5311] Call trace: [ 65.430727][ T5311] dump_backtrace+0x0/0x458 [ 65.431509][ T5311] show_stack+0x2c/0x3c [ 65.432221][ T5311] __dump_stack+0x30/0x40 [ 65.432974][ T5311] dump_stack_lvl+0xf4/0x15c [ 65.433725][ T5311] dump_stack+0x1c/0x5c [ 65.434420][ T5311] sysfs_create_dir_ns+0x244/0x264 [ 65.435189][ T5311] kobject_add_internal+0x5ac/0xc3c [ 65.436000][ T5311] kobject_init_and_add+0x124/0x190 [ 65.436899][ T5311] gfs2_sys_fs_add+0x200/0x41c [ 65.437663][ T5311] gfs2_fill_super+0xddc/0x1a18 [ 65.438419][ T5311] get_tree_bdev+0x358/0x544 [ 65.439078][ T5311] gfs2_get_tree+0x54/0x1b4 [ 65.439778][ T5311] vfs_get_tree+0x90/0x274 [ 65.440534][ T5311] do_new_mount+0x228/0x810 [ 65.441398][ T5311] path_mount+0x5bc/0x1008 [ 65.442176][ T5311] __arm64_sys_mount+0x514/0x5f0 [ 65.443028][ T5311] invoke_syscall+0x98/0x2b0 [ 65.443786][ T5311] el0_svc_common+0x138/0x258 [ 65.444532][ T5311] do_el0_svc+0x58/0x13c [ 65.445249][ T5311] el0_svc+0x78/0x1d0 [ 65.445927][ T5311] el0t_64_sync_handler+0xcc/0xe4 [ 65.446741][ T5311] el0t_64_sync+0x1a0/0x1a4 [ 65.455686][ T5311] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.457647][ T5311] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.610280][ T5372] loop2: detected capacity change from 0 to 32768 [ 65.662995][ T5372] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.664363][ T5372] CPU: 0 PID: 5372 Comm: syz.2.22 Not tainted syzkaller #0 [ 65.665600][ T5372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 65.667267][ T5372] Call trace: [ 65.667751][ T5372] dump_backtrace+0x0/0x458 [ 65.668447][ T5372] show_stack+0x2c/0x3c [ 65.669107][ T5372] __dump_stack+0x30/0x40 [ 65.669819][ T5372] dump_stack_lvl+0xf4/0x15c [ 65.670527][ T5372] dump_stack+0x1c/0x5c [ 65.671163][ T5372] sysfs_create_dir_ns+0x244/0x264 [ 65.671939][ T5372] kobject_add_internal+0x5ac/0xc3c [ 65.672730][ T5372] kobject_init_and_add+0x124/0x190 [ 65.673510][ T5372] gfs2_sys_fs_add+0x200/0x41c [ 65.674305][ T5372] gfs2_fill_super+0xddc/0x1a18 [ 65.675039][ T5372] get_tree_bdev+0x358/0x544 [ 65.675751][ T5372] gfs2_get_tree+0x54/0x1b4 [ 65.676492][ T5372] vfs_get_tree+0x90/0x274 [ 65.677245][ T5372] do_new_mount+0x228/0x810 [ 65.678018][ T5372] path_mount+0x5bc/0x1008 [ 65.678735][ T5372] __arm64_sys_mount+0x514/0x5f0 [ 65.679539][ T5372] invoke_syscall+0x98/0x2b0 [ 65.680258][ T5372] el0_svc_common+0x138/0x258 [ 65.681018][ T5372] do_el0_svc+0x58/0x13c [ 65.681735][ T5372] el0_svc+0x78/0x1d0 [ 65.682373][ T5372] el0t_64_sync_handler+0xcc/0xe4 [ 65.683138][ T5372] el0t_64_sync+0x1a0/0x1a4 [ 65.684826][ T5372] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.687125][ T5372] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.827052][ T5372] loop2: detected capacity change from 0 to 32768 [ 65.880508][ T5372] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.881708][ T5372] CPU: 0 PID: 5372 Comm: syz.2.22 Not tainted syzkaller #0 [ 65.882852][ T5372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 65.884585][ T5372] Call trace: [ 65.885132][ T5372] dump_backtrace+0x0/0x458 [ 65.885803][ T5372] show_stack+0x2c/0x3c [ 65.886464][ T5372] __dump_stack+0x30/0x40 [ 65.887147][ T5372] dump_stack_lvl+0xf4/0x15c [ 65.887881][ T5372] dump_stack+0x1c/0x5c [ 65.888539][ T5372] sysfs_create_dir_ns+0x244/0x264 [ 65.889408][ T5372] kobject_add_internal+0x5ac/0xc3c [ 65.890340][ T5372] kobject_init_and_add+0x124/0x190 [ 65.891198][ T5372] gfs2_sys_fs_add+0x200/0x41c [ 65.892015][ T5372] gfs2_fill_super+0xddc/0x1a18 [ 65.892807][ T5372] get_tree_bdev+0x358/0x544 [ 65.893479][ T5372] gfs2_get_tree+0x54/0x1b4 [ 65.894137][ T5372] vfs_get_tree+0x90/0x274 [ 65.894819][ T5372] do_new_mount+0x228/0x810 [ 65.895511][ T5372] path_mount+0x5bc/0x1008 [ 65.896231][ T5372] __arm64_sys_mount+0x514/0x5f0 [ 65.897065][ T5372] invoke_syscall+0x98/0x2b0 [ 65.897855][ T5372] el0_svc_common+0x138/0x258 [ 65.898580][ T5372] do_el0_svc+0x58/0x13c [ 65.899211][ T5372] el0_svc+0x78/0x1d0 [ 65.899865][ T5372] el0t_64_sync_handler+0xcc/0xe4 [ 65.900684][ T5372] el0t_64_sync+0x1a0/0x1a4 [ 65.902593][ T5372] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.904629][ T5372] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.022801][ T5433] loop2: detected capacity change from 0 to 32768 [ 66.041185][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.042385][ T5433] CPU: 1 PID: 5433 Comm: syz.2.23 Not tainted syzkaller #0 [ 66.043513][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 66.045125][ T5433] Call trace: [ 66.045673][ T5433] dump_backtrace+0x0/0x458 [ 66.046463][ T5433] show_stack+0x2c/0x3c [ 66.047115][ T5433] __dump_stack+0x30/0x40 [ 66.047843][ T5433] dump_stack_lvl+0xf4/0x15c [ 66.048644][ T5433] dump_stack+0x1c/0x5c [ 66.049327][ T5433] sysfs_create_dir_ns+0x244/0x264 [ 66.050147][ T5433] kobject_add_internal+0x5ac/0xc3c [ 66.051058][ T5433] kobject_init_and_add+0x124/0x190 [ 66.051977][ T5433] gfs2_sys_fs_add+0x200/0x41c [ 66.052781][ T5433] gfs2_fill_super+0xddc/0x1a18 [ 66.053542][ T5433] get_tree_bdev+0x358/0x544 [ 66.054310][ T5433] gfs2_get_tree+0x54/0x1b4 [ 66.055068][ T5433] vfs_get_tree+0x90/0x274 [ 66.055772][ T5433] do_new_mount+0x228/0x810 [ 66.056580][ T5433] path_mount+0x5bc/0x1008 [ 66.057321][ T5433] __arm64_sys_mount+0x514/0x5f0 [ 66.058127][ T5433] invoke_syscall+0x98/0x2b0 [ 66.058881][ T5433] el0_svc_common+0x138/0x258 [ 66.059680][ T5433] do_el0_svc+0x58/0x13c [ 66.060363][ T5433] el0_svc+0x78/0x1d0 [ 66.061022][ T5433] el0t_64_sync_handler+0xcc/0xe4 [ 66.061874][ T5433] el0t_64_sync+0x1a0/0x1a4 [ 66.066395][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.068997][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.211017][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.212311][ T5433] CPU: 0 PID: 5433 Comm: syz.2.23 Not tainted syzkaller #0 [ 66.213533][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 66.215067][ T5433] Call trace: [ 66.215532][ T5433] dump_backtrace+0x0/0x458 [ 66.216224][ T5433] show_stack+0x2c/0x3c [ 66.216880][ T5433] __dump_stack+0x30/0x40 [ 66.217573][ T5433] dump_stack_lvl+0xf4/0x15c [ 66.218265][ T5433] dump_stack+0x1c/0x5c [ 66.218947][ T5433] sysfs_create_dir_ns+0x244/0x264 [ 66.219757][ T5433] kobject_add_internal+0x5ac/0xc3c [ 66.220569][ T5433] kobject_init_and_add+0x124/0x190 [ 66.221414][ T5433] gfs2_sys_fs_add+0x200/0x41c [ 66.222262][ T5433] gfs2_fill_super+0xddc/0x1a18 [ 66.223047][ T5433] get_tree_bdev+0x358/0x544 [ 66.223801][ T5433] gfs2_get_tree+0x54/0x1b4 [ 66.224511][ T5433] vfs_get_tree+0x90/0x274 [ 66.225225][ T5433] do_new_mount+0x228/0x810 [ 66.225996][ T5433] path_mount+0x5bc/0x1008 [ 66.226716][ T5433] __arm64_sys_mount+0x514/0x5f0 [ 66.227498][ T5433] invoke_syscall+0x98/0x2b0 [ 66.228229][ T5433] el0_svc_common+0x138/0x258 [ 66.229034][ T5433] do_el0_svc+0x58/0x13c [ 66.229769][ T5433] el0_svc+0x78/0x1d0 [ 66.230475][ T5433] el0t_64_sync_handler+0xcc/0xe4 [ 66.231330][ T5433] el0t_64_sync+0x1a0/0x1a4 [ 66.235390][ T4933] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.239388][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.241640][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.273624][ T4933] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:06 executed programs: 16 [ 66.314697][ T4933] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.395202][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.396464][ T5481] CPU: 0 PID: 5481 Comm: syz.2.24 Not tainted syzkaller #0 [ 66.397628][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 66.399313][ T5481] Call trace: [ 66.399803][ T5481] dump_backtrace+0x0/0x458 [ 66.400525][ T5481] show_stack+0x2c/0x3c [ 66.401189][ T5481] __dump_stack+0x30/0x40 [ 66.401906][ T5481] dump_stack_lvl+0xf4/0x15c [ 66.402734][ T5481] dump_stack+0x1c/0x5c [ 66.403392][ T5481] sysfs_create_dir_ns+0x244/0x264 [ 66.404256][ T5481] kobject_add_internal+0x5ac/0xc3c [ 66.405079][ T5481] kobject_init_and_add+0x124/0x190 [ 66.405915][ T5481] gfs2_sys_fs_add+0x200/0x41c [ 66.406690][ T5481] gfs2_fill_super+0xddc/0x1a18 [ 66.407458][ T5481] get_tree_bdev+0x358/0x544 [ 66.408168][ T5481] gfs2_get_tree+0x54/0x1b4 [ 66.408859][ T5481] vfs_get_tree+0x90/0x274 [ 66.409533][ T5481] do_new_mount+0x228/0x810 [ 66.410203][ T5481] path_mount+0x5bc/0x1008 [ 66.410973][ T5481] __arm64_sys_mount+0x514/0x5f0 [ 66.411838][ T5481] invoke_syscall+0x98/0x2b0 [ 66.412626][ T5481] el0_svc_common+0x138/0x258 [ 66.413388][ T5481] do_el0_svc+0x58/0x13c [ 66.414042][ T5481] el0_svc+0x78/0x1d0 [ 66.414687][ T5481] el0t_64_sync_handler+0xcc/0xe4 [ 66.415508][ T5481] el0t_64_sync+0x1a0/0x1a4 [ 66.419342][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.421548][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.472561][ T4924] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.512765][ T4914] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.560744][ T4924] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.580116][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.581276][ T5481] CPU: 0 PID: 5481 Comm: syz.2.24 Not tainted syzkaller #0 [ 66.582375][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 66.583993][ T5481] Call trace: [ 66.584481][ T5481] dump_backtrace+0x0/0x458 [ 66.585194][ T5481] show_stack+0x2c/0x3c [ 66.585928][ T5481] __dump_stack+0x30/0x40 [ 66.586581][ T5481] dump_stack_lvl+0xf4/0x15c [ 66.587314][ T5481] dump_stack+0x1c/0x5c [ 66.587964][ T5481] sysfs_create_dir_ns+0x244/0x264 [ 66.588801][ T5481] kobject_add_internal+0x5ac/0xc3c [ 66.589575][ T5481] kobject_init_and_add+0x124/0x190 [ 66.590409][ T5481] gfs2_sys_fs_add+0x200/0x41c [ 66.591225][ T5481] gfs2_fill_super+0xddc/0x1a18 [ 66.591969][ T5481] get_tree_bdev+0x358/0x544 [ 66.592641][ T5481] gfs2_get_tree+0x54/0x1b4 [ 66.593398][ T5481] vfs_get_tree+0x90/0x274 [ 66.594114][ T5481] do_new_mount+0x228/0x810 [ 66.594771][ T5481] path_mount+0x5bc/0x1008 [ 66.595409][ T5481] __arm64_sys_mount+0x514/0x5f0 [ 66.596227][ T5481] invoke_syscall+0x98/0x2b0 [ 66.596887][ T5481] el0_svc_common+0x138/0x258 [ 66.597591][ T5481] do_el0_svc+0x58/0x13c [ 66.598270][ T5481] el0_svc+0x78/0x1d0 [ 66.598871][ T5481] el0t_64_sync_handler+0xcc/0xe4 [ 66.599742][ T5481] el0t_64_sync+0x1a0/0x1a4 [ 66.602557][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.604539][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.621337][ T4924] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.641268][ T4924] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.680312][ T4914] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.756446][ T4914] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.789952][ T4914] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.819573][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.820713][ T5527] CPU: 1 PID: 5527 Comm: syz.2.25 Not tainted syzkaller #0 [ 66.821746][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 66.823440][ T5527] Call trace: [ 66.824001][ T5527] dump_backtrace+0x0/0x458 [ 66.824788][ T5527] show_stack+0x2c/0x3c [ 66.825454][ T5527] __dump_stack+0x30/0x40 [ 66.826229][ T5527] dump_stack_lvl+0xf4/0x15c [ 66.826992][ T5527] dump_stack+0x1c/0x5c [ 66.827693][ T5527] sysfs_create_dir_ns+0x244/0x264 [ 66.828528][ T5527] kobject_add_internal+0x5ac/0xc3c [ 66.829382][ T5527] kobject_init_and_add+0x124/0x190 [ 66.830273][ T5527] gfs2_sys_fs_add+0x200/0x41c [ 66.831028][ T5527] gfs2_fill_super+0xddc/0x1a18 [ 66.831864][ T5527] get_tree_bdev+0x358/0x544 [ 66.832618][ T5527] gfs2_get_tree+0x54/0x1b4 [ 66.833416][ T5527] vfs_get_tree+0x90/0x274 [ 66.834116][ T5527] do_new_mount+0x228/0x810 [ 66.834859][ T5527] path_mount+0x5bc/0x1008 [ 66.835632][ T5527] __arm64_sys_mount+0x514/0x5f0 [ 66.836493][ T5527] invoke_syscall+0x98/0x2b0 [ 66.837251][ T5527] el0_svc_common+0x138/0x258 [ 66.837976][ T5527] do_el0_svc+0x58/0x13c [ 66.838698][ T5527] el0_svc+0x78/0x1d0 [ 66.839365][ T5527] el0t_64_sync_handler+0xcc/0xe4 [ 66.840206][ T5527] el0t_64_sync+0x1a0/0x1a4 [ 66.841183][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.843674][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.856744][ T4933] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.892267][ T4933] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.949893][ T4924] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.955061][ T4924] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.971618][ T4933] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.999775][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.001308][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.002603][ T4933] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.044579][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.046215][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.047632][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.048634][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.052685][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.054166][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.055546][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.056608][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.057959][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.060523][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.065083][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.066349][ T5527] CPU: 1 PID: 5527 Comm: syz.2.25 Not tainted syzkaller #0 [ 67.067449][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 67.069057][ T5527] Call trace: [ 67.069581][ T5527] dump_backtrace+0x0/0x458 [ 67.070291][ T5527] show_stack+0x2c/0x3c [ 67.071003][ T5527] __dump_stack+0x30/0x40 [ 67.071679][ T5527] dump_stack_lvl+0xf4/0x15c [ 67.072438][ T5527] dump_stack+0x1c/0x5c [ 67.073087][ T5527] sysfs_create_dir_ns+0x244/0x264 [ 67.073875][ T5527] kobject_add_internal+0x5ac/0xc3c [ 67.074691][ T5527] kobject_init_and_add+0x124/0x190 [ 67.075512][ T5527] gfs2_sys_fs_add+0x200/0x41c [ 67.076291][ T5527] gfs2_fill_super+0xddc/0x1a18 [ 67.077050][ T5527] get_tree_bdev+0x358/0x544 [ 67.077777][ T5527] gfs2_get_tree+0x54/0x1b4 [ 67.078503][ T5527] vfs_get_tree+0x90/0x274 [ 67.079208][ T5527] do_new_mount+0x228/0x810 [ 67.079963][ T5527] path_mount+0x5bc/0x1008 [ 67.080700][ T5527] __arm64_sys_mount+0x514/0x5f0 [ 67.081549][ T5527] invoke_syscall+0x98/0x2b0 [ 67.082313][ T5527] el0_svc_common+0x138/0x258 [ 67.083104][ T5527] do_el0_svc+0x58/0x13c [ 67.083811][ T5527] el0_svc+0x78/0x1d0 [ 67.084421][ T5527] el0t_64_sync_handler+0xcc/0xe4 [ 67.085232][ T5527] el0t_64_sync+0x1a0/0x1a4 [ 67.096675][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.099108][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.100331][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.112800][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.114517][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.117542][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.121979][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.123657][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.126749][ T4914] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.130869][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.132285][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.135441][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.136845][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.140474][ T4924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.145728][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.147188][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.153383][ T4914] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.155929][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.157416][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.158950][ T4171] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.160074][ T4171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.161443][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.164463][ T4933] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.180182][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.181752][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.183148][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.184851][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.187465][ T4171] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.188580][ T4171] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.207521][ T4933] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.211726][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.217110][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.218738][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.221012][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.222449][ T563] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.223583][ T563] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.227166][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.228999][ T4143] Bluetooth: hci1: command 0x040f tx timeout [ 67.248408][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.250241][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.251727][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.253715][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.255133][ T563] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.256269][ T563] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.257950][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.276073][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.277566][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.279852][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.281490][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.282989][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.284420][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.285862][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.287468][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.291371][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.296741][ T4924] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.300440][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.301957][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.307728][ T4914] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.310243][ T4914] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.311938][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.313428][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.314760][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.316721][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.325049][ T4933] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.326615][ T4933] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.331139][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.332635][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.334127][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.335663][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.337176][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.340845][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.342397][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.354146][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.355562][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.357026][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.358368][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.362095][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.363286][ T5531] CPU: 1 PID: 5531 Comm: syz.2.26 Not tainted syzkaller #0 [ 67.364433][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 67.366148][ T5531] Call trace: [ 67.366680][ T5531] dump_backtrace+0x0/0x458 [ 67.367402][ T5531] show_stack+0x2c/0x3c [ 67.368065][ T5531] __dump_stack+0x30/0x40 [ 67.368733][ T5531] dump_stack_lvl+0xf4/0x15c [ 67.369423][ T5531] dump_stack+0x1c/0x5c [ 67.370115][ T5531] sysfs_create_dir_ns+0x244/0x264 [ 67.370960][ T5531] kobject_add_internal+0x5ac/0xc3c [ 67.371861][ T5531] kobject_init_and_add+0x124/0x190 [ 67.372664][ T5531] gfs2_sys_fs_add+0x200/0x41c [ 67.373482][ T5531] gfs2_fill_super+0xddc/0x1a18 [ 67.374285][ T5531] get_tree_bdev+0x358/0x544 [ 67.375033][ T5531] gfs2_get_tree+0x54/0x1b4 [ 67.375755][ T5531] vfs_get_tree+0x90/0x274 [ 67.376501][ T5531] do_new_mount+0x228/0x810 [ 67.377265][ T5531] path_mount+0x5bc/0x1008 [ 67.378027][ T5531] __arm64_sys_mount+0x514/0x5f0 [ 67.378902][ T5531] invoke_syscall+0x98/0x2b0 [ 67.379657][ T5531] el0_svc_common+0x138/0x258 [ 67.380493][ T5531] do_el0_svc+0x58/0x13c [ 67.381175][ T5531] el0_svc+0x78/0x1d0 [ 67.381861][ T5531] el0t_64_sync_handler+0xcc/0xe4 [ 67.382676][ T5531] el0t_64_sync+0x1a0/0x1a4 [ 67.383773][ T4143] Bluetooth: hci2: command 0x040f tx timeout [ 67.384682][ T4143] Bluetooth: hci3: command 0x040f tx timeout [ 67.385632][ T4143] Bluetooth: hci4: command 0x040f tx timeout [ 67.386708][ T4143] Bluetooth: hci5: command 0x040f tx timeout [ 67.393090][ T4924] device veth0_vlan entered promiscuous mode [ 67.393758][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.395973][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.412218][ T4924] device veth1_vlan entered promiscuous mode [ 67.421090][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.422389][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.423625][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.425116][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.431476][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.432885][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.434788][ T4924] device veth0_macvtap entered promiscuous mode [ 67.438424][ T4914] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.451693][ T4924] device veth1_macvtap entered promiscuous mode [ 67.473677][ T4933] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.475774][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.477277][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.478669][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.480684][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.484633][ T4924] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.486563][ T4924] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.488229][ T4924] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.490773][ T4924] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.492330][ T4924] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.494059][ T4924] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.498588][ T4924] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.501428][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.503038][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.504367][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.505991][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.516356][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.517854][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.520199][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.521981][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.524682][ T4914] device veth0_vlan entered promiscuous mode [ 67.527432][ T4924] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.530117][ T4924] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.531676][ T4924] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.533396][ T4924] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.535016][ T4924] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.536728][ T4924] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.539752][ T4924] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.541763][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.543401][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.546080][ T4914] device veth1_vlan entered promiscuous mode [ 67.557150][ T4924] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.558633][ T4924] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.560579][ T4924] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.561801][ T4924] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.564712][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.566188][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.567494][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.571584][ T4171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.580886][ T4914] device veth0_macvtap entered promiscuous mode [ 67.583715][ T4914] device veth1_macvtap entered promiscuous mode [ 67.593451][ T4914] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.595235][ T4914] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.596709][ T4914] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.598423][ T4914] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.600219][ T4914] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.601820][ T4914] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.603509][ T4914] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.605061][ T4914] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.607327][ T4914] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.613715][ T4924] ieee80211 phy13: Selected rate control algorithm 'minstrel_ht' [ 67.616020][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.617567][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.619855][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.621346][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.626895][ T4914] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.628622][ T4914] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.631005][ T4914] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.632559][ T4914] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.633928][ T4914] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.635544][ T4914] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.637203][ T4914] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.639319][ T4914] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.641594][ T4914] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.643469][ T563] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.644772][ T563] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.646358][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.647924][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.652191][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.655052][ T4914] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.656587][ T4914] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.658287][ T4914] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.658537][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.661172][ T4914] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.662516][ T5531] CPU: 1 PID: 5531 Comm: syz.2.26 Not tainted syzkaller #0 [ 67.663837][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 67.665389][ T5531] Call trace: [ 67.665924][ T5531] dump_backtrace+0x0/0x458 [ 67.666634][ T5531] show_stack+0x2c/0x3c [ 67.667278][ T5531] __dump_stack+0x30/0x40 [ 67.667984][ T5531] dump_stack_lvl+0xf4/0x15c [ 67.668767][ T5531] dump_stack+0x1c/0x5c [ 67.669432][ T5531] sysfs_create_dir_ns+0x244/0x264 [ 67.670296][ T5531] kobject_add_internal+0x5ac/0xc3c [ 67.671222][ T5531] kobject_init_and_add+0x124/0x190 [ 67.671623][ T4933] device veth0_vlan entered promiscuous mode [ 67.672049][ T5531] gfs2_sys_fs_add+0x200/0x41c [ 67.673684][ T5531] gfs2_fill_super+0xddc/0x1a18 [ 67.674560][ T5531] get_tree_bdev+0x358/0x544 [ 67.674767][ T4933] device veth1_vlan entered promiscuous mode [ 67.675385][ T5531] gfs2_get_tree+0x54/0x1b4 [ 67.677141][ T5531] vfs_get_tree+0x90/0x274 [ 67.677848][ T5531] do_new_mount+0x228/0x810 [ 67.678599][ T5531] path_mount+0x5bc/0x1008 [ 67.679441][ T5531] __arm64_sys_mount+0x514/0x5f0 [ 67.680315][ T5531] invoke_syscall+0x98/0x2b0 [ 67.681124][ T5531] el0_svc_common+0x138/0x258 [ 67.681760][ T5531] do_el0_svc+0x58/0x13c [ 67.682345][ T5531] el0_svc+0x78/0x1d0 [ 67.682931][ T5531] el0t_64_sync_handler+0xcc/0xe4 [ 67.683109][ T4933] device veth0_macvtap entered promiscuous mode [ 67.683705][ T5531] el0t_64_sync+0x1a0/0x1a4 [ 67.688246][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.690508][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.693354][ T4924] ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' [ 67.700254][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.701567][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.706666][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.708384][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.710635][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.712109][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.714479][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.716031][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.717431][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.719692][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.721636][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.723412][ T4933] device veth1_macvtap entered promiscuous mode [ 67.736950][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.738562][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.757080][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.758607][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.779697][ T4933] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.781439][ T4933] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.782997][ T4933] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.784558][ T4933] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.786103][ T4933] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.787872][ T4933] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.798756][ T4933] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.802388][ T4933] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.804593][ T4933] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.806745][ T4933] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.819795][ T4933] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.824415][ T4914] ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' [ 67.826914][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.828483][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.850088][ T5549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.851650][ T5549] CPU: 1 PID: 5549 Comm: syz.2.27 Not tainted syzkaller #0 [ 67.852865][ T5549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 67.854532][ T5549] Call trace: [ 67.855077][ T5549] dump_backtrace+0x0/0x458 [ 67.855816][ T5549] show_stack+0x2c/0x3c [ 67.856475][ T5549] __dump_stack+0x30/0x40 [ 67.857121][ T5549] dump_stack_lvl+0xf4/0x15c [ 67.857715][ T5549] dump_stack+0x1c/0x5c [ 67.858361][ T5549] sysfs_create_dir_ns+0x244/0x264 [ 67.859178][ T5549] kobject_add_internal+0x5ac/0xc3c [ 67.859999][ T5549] kobject_init_and_add+0x124/0x190 [ 67.860755][ T5549] gfs2_sys_fs_add+0x200/0x41c [ 67.861455][ T5549] gfs2_fill_super+0xddc/0x1a18 [ 67.862144][ T5549] get_tree_bdev+0x358/0x544 [ 67.862868][ T5549] gfs2_get_tree+0x54/0x1b4 [ 67.863659][ T5549] vfs_get_tree+0x90/0x274 [ 67.864147][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.864425][ T5549] do_new_mount+0x228/0x810 [ 67.864440][ T5549] path_mount+0x5bc/0x1008 [ 67.865703][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.866383][ T5549] __arm64_sys_mount+0x514/0x5f0 [ 67.867217][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.868285][ T5549] invoke_syscall+0x98/0x2b0 [ 67.870830][ T5549] el0_svc_common+0x138/0x258 [ 67.871592][ T5549] do_el0_svc+0x58/0x13c [ 67.871800][ T4914] ieee80211 phy16: Selected rate control algorithm 'minstrel_ht' [ 67.872243][ T5549] el0_svc+0x78/0x1d0 [ 67.874113][ T5549] el0t_64_sync_handler+0xcc/0xe4 [ 67.874926][ T5549] el0t_64_sync+0x1a0/0x1a4 [ 67.878341][ T4933] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.887031][ T4933] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.888596][ T4933] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.896740][ T4933] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.898327][ T4933] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.902294][ T4933] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.903957][ T4933] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.905574][ T4933] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.907093][ T4933] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.908686][ T4933] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.910933][ T5549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.912808][ T5549] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.914895][ T4933] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.922503][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.924145][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.926744][ T4933] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.928128][ T4933] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.930678][ T4933] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.932134][ T4933] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.935949][ T563] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.937208][ T563] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.938475][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.949425][ T4933] ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' [ 67.957495][ T4933] ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' [ 67.957603][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.960118][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.966418][ T1613] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.967742][ T1613] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.976262][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.977903][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.010823][ T5551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.017560][ T5551] CPU: 0 PID: 5551 Comm: syz.1.16 Not tainted syzkaller #0 [ 68.018671][ T5551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.020344][ T5551] Call trace: [ 68.020852][ T5551] dump_backtrace+0x0/0x458 [ 68.021595][ T5551] show_stack+0x2c/0x3c [ 68.022278][ T5551] __dump_stack+0x30/0x40 [ 68.022952][ T5551] dump_stack_lvl+0xf4/0x15c [ 68.023662][ T5551] dump_stack+0x1c/0x5c [ 68.024312][ T5551] sysfs_create_dir_ns+0x244/0x264 [ 68.025214][ T5551] kobject_add_internal+0x5ac/0xc3c [ 68.026029][ T5551] kobject_init_and_add+0x124/0x190 [ 68.026852][ T5551] gfs2_sys_fs_add+0x200/0x41c [ 68.027623][ T5551] gfs2_fill_super+0xddc/0x1a18 [ 68.028421][ T5551] get_tree_bdev+0x358/0x544 [ 68.029132][ T5551] gfs2_get_tree+0x54/0x1b4 [ 68.029834][ T5551] vfs_get_tree+0x90/0x274 [ 68.030513][ T5551] do_new_mount+0x228/0x810 [ 68.031198][ T5551] path_mount+0x5bc/0x1008 [ 68.031853][ T5551] __arm64_sys_mount+0x514/0x5f0 [ 68.032668][ T5551] invoke_syscall+0x98/0x2b0 [ 68.033399][ T5551] el0_svc_common+0x138/0x258 [ 68.034126][ T5551] do_el0_svc+0x58/0x13c [ 68.034887][ T5551] el0_svc+0x78/0x1d0 [ 68.035569][ T5551] el0t_64_sync_handler+0xcc/0xe4 [ 68.036434][ T5551] el0t_64_sync+0x1a0/0x1a4 [ 68.044081][ T5551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.046248][ T5551] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.244979][ T5551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.246245][ T5551] CPU: 0 PID: 5551 Comm: syz.1.16 Not tainted syzkaller #0 [ 68.247354][ T5551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.248905][ T5551] Call trace: [ 68.249431][ T5551] dump_backtrace+0x0/0x458 [ 68.250204][ T5551] show_stack+0x2c/0x3c [ 68.250909][ T5551] __dump_stack+0x30/0x40 [ 68.251649][ T5551] dump_stack_lvl+0xf4/0x15c [ 68.252411][ T5551] dump_stack+0x1c/0x5c [ 68.253047][ T5551] sysfs_create_dir_ns+0x244/0x264 [ 68.253879][ T5551] kobject_add_internal+0x5ac/0xc3c [ 68.254802][ T5551] kobject_init_and_add+0x124/0x190 [ 68.255670][ T5551] gfs2_sys_fs_add+0x200/0x41c [ 68.256466][ T5551] gfs2_fill_super+0xddc/0x1a18 [ 68.257258][ T5551] get_tree_bdev+0x358/0x544 [ 68.258002][ T5551] gfs2_get_tree+0x54/0x1b4 [ 68.258757][ T5551] vfs_get_tree+0x90/0x274 [ 68.259506][ T5551] do_new_mount+0x228/0x810 [ 68.260223][ T5551] path_mount+0x5bc/0x1008 [ 68.260921][ T5551] __arm64_sys_mount+0x514/0x5f0 [ 68.261688][ T5551] invoke_syscall+0x98/0x2b0 [ 68.262417][ T5551] el0_svc_common+0x138/0x258 [ 68.263202][ T5551] do_el0_svc+0x58/0x13c [ 68.263895][ T5551] el0_svc+0x78/0x1d0 [ 68.264598][ T5551] el0t_64_sync_handler+0xcc/0xe4 [ 68.265436][ T5551] el0t_64_sync+0x1a0/0x1a4 [ 68.269062][ T5551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.271129][ T5551] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.291736][ T5553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.291748][ T5549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.293062][ T5553] CPU: 1 PID: 5553 Comm: syz.0.15 Not tainted syzkaller #0 [ 68.295444][ T5553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.297250][ T5553] Call trace: [ 68.297779][ T5553] dump_backtrace+0x0/0x458 [ 68.298550][ T5553] show_stack+0x2c/0x3c [ 68.299292][ T5553] __dump_stack+0x30/0x40 [ 68.300053][ T5553] dump_stack_lvl+0xf4/0x15c [ 68.300843][ T5553] dump_stack+0x1c/0x5c [ 68.301537][ T5553] sysfs_create_dir_ns+0x244/0x264 [ 68.302383][ T5553] kobject_add_internal+0x5ac/0xc3c [ 68.303251][ T5553] kobject_init_and_add+0x124/0x190 [ 68.304117][ T5553] gfs2_sys_fs_add+0x200/0x41c [ 68.304904][ T5553] gfs2_fill_super+0xddc/0x1a18 [ 68.305699][ T5553] get_tree_bdev+0x358/0x544 [ 68.306492][ T5553] gfs2_get_tree+0x54/0x1b4 [ 68.307205][ T5553] vfs_get_tree+0x90/0x274 [ 68.307929][ T5553] do_new_mount+0x228/0x810 [ 68.308691][ T5553] path_mount+0x5bc/0x1008 [ 68.309361][ T5553] __arm64_sys_mount+0x514/0x5f0 [ 68.310154][ T5553] invoke_syscall+0x98/0x2b0 [ 68.310869][ T5553] el0_svc_common+0x138/0x258 [ 68.311644][ T5553] do_el0_svc+0x58/0x13c [ 68.312289][ T5553] el0_svc+0x78/0x1d0 [ 68.312971][ T5553] el0t_64_sync_handler+0xcc/0xe4 [ 68.313817][ T5553] el0t_64_sync+0x1a0/0x1a4 [ 68.317264][ T5553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.319256][ T5549] CPU: 0 PID: 5549 Comm: syz.2.27 Not tainted syzkaller #0 [ 68.319943][ T5553] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.320542][ T5549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.323344][ T5549] Call trace: [ 68.323926][ T5549] dump_backtrace+0x0/0x458 [ 68.324693][ T5549] show_stack+0x2c/0x3c [ 68.325319][ T5549] __dump_stack+0x30/0x40 [ 68.326010][ T5549] dump_stack_lvl+0xf4/0x15c [ 68.326732][ T5549] dump_stack+0x1c/0x5c [ 68.327459][ T5549] sysfs_create_dir_ns+0x244/0x264 [ 68.328308][ T5549] kobject_add_internal+0x5ac/0xc3c [ 68.329146][ T5549] kobject_init_and_add+0x124/0x190 [ 68.330030][ T5549] gfs2_sys_fs_add+0x200/0x41c [ 68.330900][ T5549] gfs2_fill_super+0xddc/0x1a18 [ 68.331724][ T5549] get_tree_bdev+0x358/0x544 [ 68.332524][ T5549] gfs2_get_tree+0x54/0x1b4 [ 68.333326][ T5549] vfs_get_tree+0x90/0x274 [ 68.334025][ T5549] do_new_mount+0x228/0x810 [ 68.334765][ T5549] path_mount+0x5bc/0x1008 [ 68.335494][ T5549] __arm64_sys_mount+0x514/0x5f0 [ 68.336340][ T5549] invoke_syscall+0x98/0x2b0 [ 68.337085][ T5549] el0_svc_common+0x138/0x258 [ 68.337861][ T5549] do_el0_svc+0x58/0x13c [ 68.338540][ T5549] el0_svc+0x78/0x1d0 [ 68.339240][ T5549] el0t_64_sync_handler+0xcc/0xe4 [ 68.340093][ T5549] el0t_64_sync+0x1a0/0x1a4 [ 68.344857][ T5549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.346861][ T5549] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.369428][ T5555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.370717][ T5555] CPU: 1 PID: 5555 Comm: syz.4.19 Not tainted syzkaller #0 [ 68.371849][ T5555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.373640][ T5555] Call trace: [ 68.374185][ T5555] dump_backtrace+0x0/0x458 [ 68.374951][ T5555] show_stack+0x2c/0x3c [ 68.375702][ T5555] __dump_stack+0x30/0x40 [ 68.376456][ T5555] dump_stack_lvl+0xf4/0x15c [ 68.377175][ T5555] dump_stack+0x1c/0x5c [ 68.377873][ T5555] sysfs_create_dir_ns+0x244/0x264 [ 68.378732][ T5555] kobject_add_internal+0x5ac/0xc3c [ 68.379569][ T5555] kobject_init_and_add+0x124/0x190 [ 68.380416][ T5555] gfs2_sys_fs_add+0x200/0x41c [ 68.381175][ T5555] gfs2_fill_super+0xddc/0x1a18 [ 68.381971][ T5555] get_tree_bdev+0x358/0x544 [ 68.382719][ T5555] gfs2_get_tree+0x54/0x1b4 [ 68.383422][ T5555] vfs_get_tree+0x90/0x274 [ 68.384106][ T5555] do_new_mount+0x228/0x810 [ 68.384843][ T5555] path_mount+0x5bc/0x1008 [ 68.385595][ T5555] __arm64_sys_mount+0x514/0x5f0 [ 68.386408][ T5555] invoke_syscall+0x98/0x2b0 [ 68.387093][ T5555] el0_svc_common+0x138/0x258 [ 68.387850][ T5555] do_el0_svc+0x58/0x13c [ 68.388560][ T5555] el0_svc+0x78/0x1d0 [ 68.389221][ T5555] el0t_64_sync_handler+0xcc/0xe4 [ 68.389985][ T5555] el0t_64_sync+0x1a0/0x1a4 [ 68.439105][ T5555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.441174][ T5555] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.599982][ T5558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.601249][ T5558] CPU: 0 PID: 5558 Comm: syz.1.28 Not tainted syzkaller #0 [ 68.602420][ T5558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.603951][ T5558] Call trace: [ 68.604426][ T5558] dump_backtrace+0x0/0x458 [ 68.605139][ T5558] show_stack+0x2c/0x3c [ 68.605837][ T5558] __dump_stack+0x30/0x40 [ 68.606583][ T5558] dump_stack_lvl+0xf4/0x15c [ 68.607304][ T5558] dump_stack+0x1c/0x5c [ 68.607936][ T5558] sysfs_create_dir_ns+0x244/0x264 [ 68.608738][ T5558] kobject_add_internal+0x5ac/0xc3c [ 68.609603][ T5558] kobject_init_and_add+0x124/0x190 [ 68.610440][ T5558] gfs2_sys_fs_add+0x200/0x41c [ 68.611268][ T5558] gfs2_fill_super+0xddc/0x1a18 [ 68.612095][ T5558] get_tree_bdev+0x358/0x544 [ 68.612859][ T5558] gfs2_get_tree+0x54/0x1b4 [ 68.613621][ T5558] vfs_get_tree+0x90/0x274 [ 68.614368][ T5558] do_new_mount+0x228/0x810 [ 68.615061][ T5558] path_mount+0x5bc/0x1008 [ 68.615815][ T5558] __arm64_sys_mount+0x514/0x5f0 [ 68.616605][ T5558] invoke_syscall+0x98/0x2b0 [ 68.617367][ T5558] el0_svc_common+0x138/0x258 [ 68.618134][ T5558] do_el0_svc+0x58/0x13c [ 68.618822][ T5558] el0_svc+0x78/0x1d0 [ 68.619496][ T5558] el0t_64_sync_handler+0xcc/0xe4 [ 68.620344][ T5558] el0t_64_sync+0x1a0/0x1a4 [ 68.641178][ T5558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.643400][ T5558] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.669443][ T5553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.669594][ T5560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.670707][ T5553] CPU: 1 PID: 5553 Comm: syz.0.15 Not tainted syzkaller #0 [ 68.673159][ T5553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.674709][ T5553] Call trace: [ 68.675338][ T5553] dump_backtrace+0x0/0x458 [ 68.676169][ T5553] show_stack+0x2c/0x3c [ 68.676830][ T5553] __dump_stack+0x30/0x40 [ 68.677556][ T5553] dump_stack_lvl+0xf4/0x15c [ 68.678369][ T5553] dump_stack+0x1c/0x5c [ 68.679025][ T5553] sysfs_create_dir_ns+0x244/0x264 [ 68.679797][ T5553] kobject_add_internal+0x5ac/0xc3c [ 68.680597][ T5553] kobject_init_and_add+0x124/0x190 [ 68.681485][ T5553] gfs2_sys_fs_add+0x200/0x41c [ 68.682285][ T5553] gfs2_fill_super+0xddc/0x1a18 [ 68.682998][ T5553] get_tree_bdev+0x358/0x544 [ 68.683694][ T5553] gfs2_get_tree+0x54/0x1b4 [ 68.684441][ T5553] vfs_get_tree+0x90/0x274 [ 68.685145][ T5553] do_new_mount+0x228/0x810 [ 68.685879][ T5553] path_mount+0x5bc/0x1008 [ 68.686549][ T5553] __arm64_sys_mount+0x514/0x5f0 [ 68.687279][ T5553] invoke_syscall+0x98/0x2b0 [ 68.687985][ T5553] el0_svc_common+0x138/0x258 [ 68.688685][ T5553] do_el0_svc+0x58/0x13c [ 68.689321][ T5553] el0_svc+0x78/0x1d0 [ 68.689968][ T5553] el0t_64_sync_handler+0xcc/0xe4 [ 68.690810][ T5553] el0t_64_sync+0x1a0/0x1a4 [ 68.691573][ T5560] CPU: 0 PID: 5560 Comm: syz.2.29 Not tainted syzkaller #0 [ 68.692787][ T5560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.694405][ T5560] Call trace: [ 68.694959][ T5560] dump_backtrace+0x0/0x458 [ 68.695710][ T5560] show_stack+0x2c/0x3c [ 68.696461][ T5560] __dump_stack+0x30/0x40 [ 68.697184][ T5560] dump_stack_lvl+0xf4/0x15c [ 68.698013][ T5560] dump_stack+0x1c/0x5c [ 68.698698][ T5560] sysfs_create_dir_ns+0x244/0x264 [ 68.699628][ T5560] kobject_add_internal+0x5ac/0xc3c [ 68.700474][ T5560] kobject_init_and_add+0x124/0x190 [ 68.701414][ T5560] gfs2_sys_fs_add+0x200/0x41c [ 68.702206][ T5560] gfs2_fill_super+0xddc/0x1a18 [ 68.703091][ T5560] get_tree_bdev+0x358/0x544 [ 68.703835][ T5560] gfs2_get_tree+0x54/0x1b4 [ 68.704556][ T5560] vfs_get_tree+0x90/0x274 [ 68.705290][ T5560] do_new_mount+0x228/0x810 [ 68.706105][ T5560] path_mount+0x5bc/0x1008 [ 68.706839][ T5560] __arm64_sys_mount+0x514/0x5f0 [ 68.707718][ T5560] invoke_syscall+0x98/0x2b0 [ 68.708496][ T5560] el0_svc_common+0x138/0x258 [ 68.709254][ T5560] do_el0_svc+0x58/0x13c [ 68.710009][ T5560] el0_svc+0x78/0x1d0 [ 68.710656][ T5560] el0t_64_sync_handler+0xcc/0xe4 [ 68.711534][ T5560] el0t_64_sync+0x1a0/0x1a4 [ 68.719389][ T5553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.719617][ T5555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.723275][ T5555] CPU: 0 PID: 5555 Comm: syz.4.19 Not tainted syzkaller #0 [ 68.724382][ T5555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.726028][ T5555] Call trace: [ 68.726569][ T5555] dump_backtrace+0x0/0x458 [ 68.727330][ T5555] show_stack+0x2c/0x3c [ 68.728001][ T5555] __dump_stack+0x30/0x40 [ 68.728706][ T5555] dump_stack_lvl+0xf4/0x15c [ 68.729461][ T5555] dump_stack+0x1c/0x5c [ 68.730107][ T5555] sysfs_create_dir_ns+0x244/0x264 [ 68.730964][ T5555] kobject_add_internal+0x5ac/0xc3c [ 68.731810][ T5555] kobject_init_and_add+0x124/0x190 [ 68.732220][ T5553] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.732591][ T5555] gfs2_sys_fs_add+0x200/0x41c [ 68.734387][ T5555] gfs2_fill_super+0xddc/0x1a18 [ 68.735154][ T5555] get_tree_bdev+0x358/0x544 [ 68.735920][ T5555] gfs2_get_tree+0x54/0x1b4 [ 68.736620][ T5555] vfs_get_tree+0x90/0x274 [ 68.737306][ T5555] do_new_mount+0x228/0x810 [ 68.738025][ T5555] path_mount+0x5bc/0x1008 [ 68.738740][ T5555] __arm64_sys_mount+0x514/0x5f0 [ 68.739582][ T5555] invoke_syscall+0x98/0x2b0 [ 68.740339][ T5555] el0_svc_common+0x138/0x258 [ 68.741090][ T5555] do_el0_svc+0x58/0x13c [ 68.741759][ T5555] el0_svc+0x78/0x1d0 [ 68.742346][ T5555] el0t_64_sync_handler+0xcc/0xe4 [ 68.743116][ T5555] el0t_64_sync+0x1a0/0x1a4 [ 68.759120][ T5555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.761460][ T5555] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.769613][ T5560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.771600][ T5560] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.929434][ T5558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.930718][ T5558] CPU: 1 PID: 5558 Comm: syz.1.28 Not tainted syzkaller #0 [ 68.931899][ T5558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 68.933484][ T5558] Call trace: [ 68.934035][ T5558] dump_backtrace+0x0/0x458 [ 68.934916][ T5558] show_stack+0x2c/0x3c [ 68.935619][ T5558] __dump_stack+0x30/0x40 [ 68.936338][ T5558] dump_stack_lvl+0xf4/0x15c [ 68.937071][ T5558] dump_stack+0x1c/0x5c [ 68.937782][ T5558] sysfs_create_dir_ns+0x244/0x264 [ 68.938601][ T5558] kobject_add_internal+0x5ac/0xc3c [ 68.939502][ T5558] kobject_init_and_add+0x124/0x190 [ 68.940306][ T5558] gfs2_sys_fs_add+0x200/0x41c [ 68.941100][ T5558] gfs2_fill_super+0xddc/0x1a18 [ 68.941890][ T5558] get_tree_bdev+0x358/0x544 [ 68.942580][ T5558] gfs2_get_tree+0x54/0x1b4 [ 68.943250][ T5558] vfs_get_tree+0x90/0x274 [ 68.943974][ T5558] do_new_mount+0x228/0x810 [ 68.944745][ T5558] path_mount+0x5bc/0x1008 [ 68.945446][ T5558] __arm64_sys_mount+0x514/0x5f0 [ 68.946267][ T5558] invoke_syscall+0x98/0x2b0 [ 68.946992][ T5558] el0_svc_common+0x138/0x258 [ 68.947749][ T5558] do_el0_svc+0x58/0x13c [ 68.948445][ T5558] el0_svc+0x78/0x1d0 [ 68.949078][ T5558] el0t_64_sync_handler+0xcc/0xe4 [ 68.949981][ T5558] el0t_64_sync+0x1a0/0x1a4 [ 68.978892][ T5558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.981083][ T5558] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.014062][ T5562] set_capacity_and_notify: 18 callbacks suppressed [ 69.014073][ T5562] loop0: detected capacity change from 0 to 32768 [ 69.063798][ T5564] loop4: detected capacity change from 0 to 32768 [ 69.081444][ T5560] loop2: detected capacity change from 0 to 32768 [ 69.091714][ T5564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.092932][ T5564] CPU: 1 PID: 5564 Comm: syz.4.31 Not tainted syzkaller #0 [ 69.094133][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.095641][ T5564] Call trace: [ 69.096138][ T5564] dump_backtrace+0x0/0x458 [ 69.096794][ T5564] show_stack+0x2c/0x3c [ 69.097446][ T5564] __dump_stack+0x30/0x40 [ 69.098107][ T5564] dump_stack_lvl+0xf4/0x15c [ 69.098820][ T5564] dump_stack+0x1c/0x5c [ 69.099459][ T5564] sysfs_create_dir_ns+0x244/0x264 [ 69.100347][ T5564] kobject_add_internal+0x5ac/0xc3c [ 69.101165][ T5564] kobject_init_and_add+0x124/0x190 [ 69.102050][ T5564] gfs2_sys_fs_add+0x200/0x41c [ 69.102809][ T5564] gfs2_fill_super+0xddc/0x1a18 [ 69.103604][ T5564] get_tree_bdev+0x358/0x544 [ 69.104314][ T5564] gfs2_get_tree+0x54/0x1b4 [ 69.104995][ T5564] vfs_get_tree+0x90/0x274 [ 69.105750][ T5564] do_new_mount+0x228/0x810 [ 69.106539][ T5564] path_mount+0x5bc/0x1008 [ 69.107315][ T5564] __arm64_sys_mount+0x514/0x5f0 [ 69.108179][ T5564] invoke_syscall+0x98/0x2b0 [ 69.108962][ T5564] el0_svc_common+0x138/0x258 [ 69.109710][ T5564] do_el0_svc+0x58/0x13c [ 69.110380][ T5564] el0_svc+0x78/0x1d0 [ 69.111006][ T5564] el0t_64_sync_handler+0xcc/0xe4 [ 69.111788][ T5564] el0t_64_sync+0x1a0/0x1a4 [ 69.113843][ T346] device hsr_slave_0 left promiscuous mode [ 69.114356][ T5562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.115794][ T5562] CPU: 1 PID: 5562 Comm: syz.0.30 Not tainted syzkaller #0 [ 69.116923][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.118428][ T5562] Call trace: [ 69.118986][ T5562] dump_backtrace+0x0/0x458 [ 69.119719][ T5562] show_stack+0x2c/0x3c [ 69.120401][ T5562] __dump_stack+0x30/0x40 [ 69.121105][ T5562] dump_stack_lvl+0xf4/0x15c [ 69.121851][ T5562] dump_stack+0x1c/0x5c [ 69.122576][ T5562] sysfs_create_dir_ns+0x244/0x264 [ 69.123405][ T5562] kobject_add_internal+0x5ac/0xc3c [ 69.124213][ T5562] kobject_init_and_add+0x124/0x190 [ 69.125103][ T5562] gfs2_sys_fs_add+0x200/0x41c [ 69.125949][ T5562] gfs2_fill_super+0xddc/0x1a18 [ 69.126760][ T5562] get_tree_bdev+0x358/0x544 [ 69.127439][ T5562] gfs2_get_tree+0x54/0x1b4 [ 69.128159][ T5562] vfs_get_tree+0x90/0x274 [ 69.128871][ T5562] do_new_mount+0x228/0x810 [ 69.129581][ T5562] path_mount+0x5bc/0x1008 [ 69.130317][ T5562] __arm64_sys_mount+0x514/0x5f0 [ 69.131061][ T5562] invoke_syscall+0x98/0x2b0 [ 69.131768][ T5562] el0_svc_common+0x138/0x258 [ 69.132507][ T5562] do_el0_svc+0x58/0x13c [ 69.133215][ T5562] el0_svc+0x78/0x1d0 [ 69.133901][ T5562] el0t_64_sync_handler+0xcc/0xe4 [ 69.134742][ T5562] el0t_64_sync+0x1a0/0x1a4 [ 69.136940][ T5560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.138158][ T5560] CPU: 0 PID: 5560 Comm: syz.2.29 Not tainted syzkaller #0 [ 69.139322][ T5560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.140990][ T5560] Call trace: [ 69.141512][ T5560] dump_backtrace+0x0/0x458 [ 69.142241][ T5560] show_stack+0x2c/0x3c [ 69.142958][ T5560] __dump_stack+0x30/0x40 [ 69.143707][ T5560] dump_stack_lvl+0xf4/0x15c [ 69.144547][ T5560] dump_stack+0x1c/0x5c [ 69.145216][ T5560] sysfs_create_dir_ns+0x244/0x264 [ 69.146052][ T5560] kobject_add_internal+0x5ac/0xc3c [ 69.146918][ T5560] kobject_init_and_add+0x124/0x190 [ 69.147698][ T5560] gfs2_sys_fs_add+0x200/0x41c [ 69.148443][ T5560] gfs2_fill_super+0xddc/0x1a18 [ 69.149188][ T5560] get_tree_bdev+0x358/0x544 [ 69.149916][ T5560] gfs2_get_tree+0x54/0x1b4 [ 69.150587][ T5560] vfs_get_tree+0x90/0x274 [ 69.151287][ T5560] do_new_mount+0x228/0x810 [ 69.151936][ T5564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.151976][ T5560] path_mount+0x5bc/0x1008 [ 69.153934][ T5564] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.154550][ T5560] __arm64_sys_mount+0x514/0x5f0 [ 69.155881][ T5562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.156238][ T5560] invoke_syscall+0x98/0x2b0 [ 69.158322][ T5562] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.158876][ T5560] el0_svc_common+0x138/0x258 [ 69.158889][ T5560] do_el0_svc+0x58/0x13c [ 69.158896][ T5560] el0_svc+0x78/0x1d0 [ 69.158902][ T5560] el0t_64_sync_handler+0xcc/0xe4 [ 69.162377][ T5560] el0t_64_sync+0x1a0/0x1a4 [ 69.172449][ T346] device hsr_slave_1 left promiscuous mode [ 69.215088][ T5560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.217198][ T5560] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.226245][ T5567] loop1: detected capacity change from 0 to 32768 [ 69.259754][ T346] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 69.261049][ T346] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 69.264787][ T5567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.265914][ T5567] CPU: 0 PID: 5567 Comm: syz.1.32 Not tainted syzkaller #0 [ 69.266921][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.268556][ T5567] Call trace: [ 69.269081][ T5567] dump_backtrace+0x0/0x458 [ 69.269811][ T5567] show_stack+0x2c/0x3c [ 69.270486][ T5567] __dump_stack+0x30/0x40 [ 69.271179][ T5567] dump_stack_lvl+0xf4/0x15c [ 69.271900][ T5567] dump_stack+0x1c/0x5c [ 69.272543][ T5567] sysfs_create_dir_ns+0x244/0x264 [ 69.273370][ T5567] kobject_add_internal+0x5ac/0xc3c [ 69.274406][ T5567] kobject_init_and_add+0x124/0x190 [ 69.275244][ T5567] gfs2_sys_fs_add+0x200/0x41c [ 69.276026][ T5567] gfs2_fill_super+0xddc/0x1a18 [ 69.276799][ T5567] get_tree_bdev+0x358/0x544 [ 69.277542][ T5567] gfs2_get_tree+0x54/0x1b4 [ 69.278249][ T5567] vfs_get_tree+0x90/0x274 [ 69.279036][ T5567] do_new_mount+0x228/0x810 [ 69.279763][ T5567] path_mount+0x5bc/0x1008 [ 69.280421][ T5567] __arm64_sys_mount+0x514/0x5f0 [ 69.281193][ T5567] invoke_syscall+0x98/0x2b0 [ 69.281924][ T5567] el0_svc_common+0x138/0x258 [ 69.282618][ T5567] do_el0_svc+0x58/0x13c [ 69.283281][ T5567] el0_svc+0x78/0x1d0 [ 69.283887][ T5567] el0t_64_sync_handler+0xcc/0xe4 [ 69.284665][ T5567] el0t_64_sync+0x1a0/0x1a4 [ 69.289351][ T346] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 69.290565][ T346] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 69.292118][ T346] device bridge_slave_1 left promiscuous mode [ 69.293200][ T346] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.299491][ T4143] Bluetooth: hci1: command 0x0419 tx timeout [ 69.329429][ T346] device bridge_slave_0 left promiscuous mode [ 69.330554][ T346] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.341117][ T5567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.343316][ T5567] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.405354][ T5562] loop0: detected capacity change from 0 to 32768 [ 69.417564][ T5564] loop4: detected capacity change from 0 to 32768 [ 69.445693][ T5569] loop2: detected capacity change from 0 to 32768 [ 69.449128][ T346] device veth1_macvtap left promiscuous mode [ 69.450186][ T346] device veth0_macvtap left promiscuous mode [ 69.451246][ T346] device veth1_vlan left promiscuous mode [ 69.452203][ T346] device veth0_vlan left promiscuous mode [ 69.453495][ T5562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.454774][ T5562] CPU: 1 PID: 5562 Comm: syz.0.30 Not tainted syzkaller #0 [ 69.455909][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.457516][ T5562] Call trace: [ 69.458052][ T5562] dump_backtrace+0x0/0x458 [ 69.458763][ T5562] show_stack+0x2c/0x3c [ 69.459495][ T5562] __dump_stack+0x30/0x40 [ 69.460243][ T5562] dump_stack_lvl+0xf4/0x15c [ 69.461062][ T5562] dump_stack+0x1c/0x5c [ 69.461691][ T5562] sysfs_create_dir_ns+0x244/0x264 [ 69.462472][ T5562] kobject_add_internal+0x5ac/0xc3c [ 69.463360][ T5562] kobject_init_and_add+0x124/0x190 [ 69.464193][ T5562] gfs2_sys_fs_add+0x200/0x41c [ 69.464934][ T5562] gfs2_fill_super+0xddc/0x1a18 [ 69.465752][ T5562] get_tree_bdev+0x358/0x544 [ 69.466481][ T5562] gfs2_get_tree+0x54/0x1b4 [ 69.467211][ T5562] vfs_get_tree+0x90/0x274 [ 69.467944][ T5562] do_new_mount+0x228/0x810 [ 69.468671][ T5562] path_mount+0x5bc/0x1008 [ 69.469341][ T5562] __arm64_sys_mount+0x514/0x5f0 [ 69.470139][ T5562] invoke_syscall+0x98/0x2b0 [ 69.470847][ T5562] el0_svc_common+0x138/0x258 [ 69.471548][ T5562] do_el0_svc+0x58/0x13c [ 69.472175][ T5562] el0_svc+0x78/0x1d0 [ 69.472792][ T5562] el0t_64_sync_handler+0xcc/0xe4 [ 69.473547][ T5562] el0t_64_sync+0x1a0/0x1a4 [ 69.474916][ T4087] Bluetooth: hci5: command 0x0419 tx timeout [ 69.475793][ T4087] Bluetooth: hci4: command 0x0419 tx timeout [ 69.476718][ T4087] Bluetooth: hci3: command 0x0419 tx timeout [ 69.477814][ T5564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.479025][ T5564] CPU: 1 PID: 5564 Comm: syz.4.31 Not tainted syzkaller #0 [ 69.480089][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.481682][ T5564] Call trace: [ 69.482235][ T5564] dump_backtrace+0x0/0x458 [ 69.483006][ T5564] show_stack+0x2c/0x3c [ 69.483666][ T5564] __dump_stack+0x30/0x40 [ 69.484429][ T5564] dump_stack_lvl+0xf4/0x15c [ 69.485172][ T5564] dump_stack+0x1c/0x5c [ 69.485851][ T5564] sysfs_create_dir_ns+0x244/0x264 [ 69.486681][ T5564] kobject_add_internal+0x5ac/0xc3c [ 69.487545][ T5564] kobject_init_and_add+0x124/0x190 [ 69.488398][ T5564] gfs2_sys_fs_add+0x200/0x41c [ 69.489204][ T5564] gfs2_fill_super+0xddc/0x1a18 [ 69.489369][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.489985][ T5564] get_tree_bdev+0x358/0x544 [ 69.491871][ T5564] gfs2_get_tree+0x54/0x1b4 [ 69.492654][ T5564] vfs_get_tree+0x90/0x274 [ 69.493400][ T5564] do_new_mount+0x228/0x810 [ 69.494112][ T5564] path_mount+0x5bc/0x1008 [ 69.494828][ T5564] __arm64_sys_mount+0x514/0x5f0 [ 69.495641][ T5564] invoke_syscall+0x98/0x2b0 [ 69.496439][ T5564] el0_svc_common+0x138/0x258 [ 69.497208][ T5564] do_el0_svc+0x58/0x13c [ 69.497893][ T5564] el0_svc+0x78/0x1d0 [ 69.498551][ T5564] el0t_64_sync_handler+0xcc/0xe4 [ 69.499353][ T5564] el0t_64_sync+0x1a0/0x1a4 [ 69.500353][ T4087] Bluetooth: hci2: command 0x0419 tx timeout [ 69.506067][ T5562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.508123][ T5562] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.513618][ T5564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.515738][ T5564] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.521000][ T5569] CPU: 0 PID: 5569 Comm: syz.2.33 Not tainted syzkaller #0 [ 69.522129][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.523604][ T5569] Call trace: [ 69.524069][ T5569] dump_backtrace+0x0/0x458 [ 69.524755][ T5569] show_stack+0x2c/0x3c [ 69.525345][ T5569] __dump_stack+0x30/0x40 [ 69.526074][ T5569] dump_stack_lvl+0xf4/0x15c [ 69.526817][ T5569] dump_stack+0x1c/0x5c [ 69.527476][ T5569] sysfs_create_dir_ns+0x244/0x264 [ 69.528305][ T5569] kobject_add_internal+0x5ac/0xc3c [ 69.529146][ T5569] kobject_init_and_add+0x124/0x190 [ 69.530037][ T5569] gfs2_sys_fs_add+0x200/0x41c [ 69.530803][ T5569] gfs2_fill_super+0xddc/0x1a18 [ 69.531642][ T5569] get_tree_bdev+0x358/0x544 [ 69.532404][ T5569] gfs2_get_tree+0x54/0x1b4 [ 69.533116][ T5569] vfs_get_tree+0x90/0x274 [ 69.533805][ T5569] do_new_mount+0x228/0x810 [ 69.534569][ T5569] path_mount+0x5bc/0x1008 [ 69.535256][ T5569] __arm64_sys_mount+0x514/0x5f0 [ 69.536019][ T5569] invoke_syscall+0x98/0x2b0 [ 69.536707][ T5569] el0_svc_common+0x138/0x258 [ 69.537425][ T5569] do_el0_svc+0x58/0x13c [ 69.538108][ T5569] el0_svc+0x78/0x1d0 [ 69.538741][ T5569] el0t_64_sync_handler+0xcc/0xe4 [ 69.539494][ T5569] el0t_64_sync+0x1a0/0x1a4 [ 69.570681][ T5567] loop1: detected capacity change from 0 to 32768 [ 69.577374][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.579735][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.587985][ T5567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.589178][ T5567] CPU: 0 PID: 5567 Comm: syz.1.32 Not tainted syzkaller #0 [ 69.590371][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.591931][ T5567] Call trace: [ 69.592472][ T5567] dump_backtrace+0x0/0x458 [ 69.593198][ T5567] show_stack+0x2c/0x3c [ 69.593825][ T5567] __dump_stack+0x30/0x40 [ 69.594561][ T5567] dump_stack_lvl+0xf4/0x15c [ 69.595277][ T5567] dump_stack+0x1c/0x5c [ 69.595931][ T5567] sysfs_create_dir_ns+0x244/0x264 [ 69.596782][ T5567] kobject_add_internal+0x5ac/0xc3c [ 69.597631][ T5567] kobject_init_and_add+0x124/0x190 [ 69.598481][ T5567] gfs2_sys_fs_add+0x200/0x41c [ 69.599313][ T5567] gfs2_fill_super+0xddc/0x1a18 [ 69.600098][ T5567] get_tree_bdev+0x358/0x544 [ 69.600850][ T5567] gfs2_get_tree+0x54/0x1b4 [ 69.601520][ T5567] vfs_get_tree+0x90/0x274 [ 69.602239][ T5567] do_new_mount+0x228/0x810 [ 69.602983][ T5567] path_mount+0x5bc/0x1008 [ 69.603679][ T5567] __arm64_sys_mount+0x514/0x5f0 [ 69.604470][ T5567] invoke_syscall+0x98/0x2b0 [ 69.605202][ T5567] el0_svc_common+0x138/0x258 [ 69.605916][ T5567] do_el0_svc+0x58/0x13c [ 69.606629][ T5567] el0_svc+0x78/0x1d0 [ 69.607270][ T5567] el0t_64_sync_handler+0xcc/0xe4 [ 69.608149][ T5567] el0t_64_sync+0x1a0/0x1a4 [ 69.628520][ T21] cfg80211: failed to load regulatory.db [ 69.631783][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.631910][ T5567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.632950][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.634883][ T5567] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.838677][ T5571] loop0: detected capacity change from 0 to 32768 [ 69.871845][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.873063][ T5571] CPU: 0 PID: 5571 Comm: syz.0.34 Not tainted syzkaller #0 [ 69.874167][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.875698][ T5571] Call trace: [ 69.876223][ T5571] dump_backtrace+0x0/0x458 [ 69.876923][ T5571] show_stack+0x2c/0x3c [ 69.877596][ T5571] __dump_stack+0x30/0x40 [ 69.878328][ T5571] dump_stack_lvl+0xf4/0x15c [ 69.879055][ T5571] dump_stack+0x1c/0x5c [ 69.879725][ T5571] sysfs_create_dir_ns+0x244/0x264 [ 69.880510][ T5571] kobject_add_internal+0x5ac/0xc3c [ 69.881407][ T5571] kobject_init_and_add+0x124/0x190 [ 69.882298][ T5571] gfs2_sys_fs_add+0x200/0x41c [ 69.883098][ T5571] gfs2_fill_super+0xddc/0x1a18 [ 69.883920][ T5571] get_tree_bdev+0x358/0x544 [ 69.884643][ T5571] gfs2_get_tree+0x54/0x1b4 [ 69.885405][ T5571] vfs_get_tree+0x90/0x274 [ 69.886121][ T5571] do_new_mount+0x228/0x810 [ 69.886895][ T5571] path_mount+0x5bc/0x1008 [ 69.887602][ T5571] __arm64_sys_mount+0x514/0x5f0 [ 69.888529][ T5571] invoke_syscall+0x98/0x2b0 [ 69.889309][ T5571] el0_svc_common+0x138/0x258 [ 69.890085][ T5571] do_el0_svc+0x58/0x13c [ 69.890778][ T5571] el0_svc+0x78/0x1d0 [ 69.891433][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 69.892292][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 69.919819][ T5569] loop2: detected capacity change from 0 to 32768 [ 69.927138][ T346] team0 (unregistering): Port device team_slave_1 removed [ 69.936009][ T346] team0 (unregistering): Port device team_slave_0 removed [ 69.945359][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.947494][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.951872][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.953114][ T5569] CPU: 1 PID: 5569 Comm: syz.2.33 Not tainted syzkaller #0 [ 69.954296][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 69.955967][ T5569] Call trace: [ 69.956518][ T5569] dump_backtrace+0x0/0x458 [ 69.957268][ T5569] show_stack+0x2c/0x3c [ 69.957950][ T5569] __dump_stack+0x30/0x40 [ 69.958680][ T5569] dump_stack_lvl+0xf4/0x15c [ 69.959450][ T5569] dump_stack+0x1c/0x5c [ 69.960126][ T5569] sysfs_create_dir_ns+0x244/0x264 [ 69.960984][ T5569] kobject_add_internal+0x5ac/0xc3c [ 69.961923][ T5569] kobject_init_and_add+0x124/0x190 [ 69.962778][ T5569] gfs2_sys_fs_add+0x200/0x41c [ 69.963531][ T5569] gfs2_fill_super+0xddc/0x1a18 [ 69.964328][ T5569] get_tree_bdev+0x358/0x544 [ 69.965089][ T5569] gfs2_get_tree+0x54/0x1b4 [ 69.965814][ T5569] vfs_get_tree+0x90/0x274 [ 69.966578][ T5569] do_new_mount+0x228/0x810 [ 69.967298][ T5569] path_mount+0x5bc/0x1008 [ 69.968014][ T5569] __arm64_sys_mount+0x514/0x5f0 [ 69.968860][ T5569] invoke_syscall+0x98/0x2b0 [ 69.969627][ T5569] el0_svc_common+0x138/0x258 [ 69.970362][ T5569] do_el0_svc+0x58/0x13c [ 69.971087][ T5569] el0_svc+0x78/0x1d0 [ 69.971764][ T5569] el0t_64_sync_handler+0xcc/0xe4 [ 69.972579][ T5569] el0t_64_sync+0x1a0/0x1a4 [ 69.979044][ T346] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 70.001590][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.004546][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.004604][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.006904][ T5575] CPU: 0 PID: 5575 Comm: syz.1.36 Not tainted syzkaller #0 [ 70.008111][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.009714][ T5575] Call trace: [ 70.010275][ T5575] dump_backtrace+0x0/0x458 [ 70.011040][ T5575] show_stack+0x2c/0x3c [ 70.011778][ T5575] __dump_stack+0x30/0x40 [ 70.012507][ T5575] dump_stack_lvl+0xf4/0x15c [ 70.013297][ T5575] dump_stack+0x1c/0x5c [ 70.013977][ T5575] sysfs_create_dir_ns+0x244/0x264 [ 70.014820][ T5575] kobject_add_internal+0x5ac/0xc3c [ 70.015731][ T5575] kobject_init_and_add+0x124/0x190 [ 70.016574][ T5575] gfs2_sys_fs_add+0x200/0x41c [ 70.017360][ T5575] gfs2_fill_super+0xddc/0x1a18 [ 70.018157][ T5575] get_tree_bdev+0x358/0x544 [ 70.018930][ T5575] gfs2_get_tree+0x54/0x1b4 [ 70.019666][ T5575] vfs_get_tree+0x90/0x274 [ 70.020379][ T5575] do_new_mount+0x228/0x810 [ 70.021088][ T5575] path_mount+0x5bc/0x1008 [ 70.021780][ T5575] __arm64_sys_mount+0x514/0x5f0 [ 70.022543][ T5575] invoke_syscall+0x98/0x2b0 [ 70.023238][ T5575] el0_svc_common+0x138/0x258 [ 70.023972][ T5575] do_el0_svc+0x58/0x13c [ 70.024632][ T5575] el0_svc+0x78/0x1d0 [ 70.025236][ T5575] el0t_64_sync_handler+0xcc/0xe4 [ 70.026060][ T5575] el0t_64_sync+0x1a0/0x1a4 [ 70.027863][ T346] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 70.050945][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.052052][ T5573] CPU: 1 PID: 5573 Comm: syz.4.35 Not tainted syzkaller #0 [ 70.053166][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.054861][ T5573] Call trace: [ 70.055395][ T5573] dump_backtrace+0x0/0x458 [ 70.056122][ T5573] show_stack+0x2c/0x3c [ 70.056824][ T5573] __dump_stack+0x30/0x40 [ 70.057506][ T5573] dump_stack_lvl+0xf4/0x15c [ 70.058265][ T5573] dump_stack+0x1c/0x5c [ 70.058921][ T5573] sysfs_create_dir_ns+0x244/0x264 [ 70.059739][ T5573] kobject_add_internal+0x5ac/0xc3c [ 70.060652][ T5573] kobject_init_and_add+0x124/0x190 [ 70.061486][ T5573] gfs2_sys_fs_add+0x200/0x41c [ 70.062243][ T5573] gfs2_fill_super+0xddc/0x1a18 [ 70.063073][ T5573] get_tree_bdev+0x358/0x544 [ 70.063867][ T5573] gfs2_get_tree+0x54/0x1b4 [ 70.064601][ T5573] vfs_get_tree+0x90/0x274 [ 70.065387][ T5573] do_new_mount+0x228/0x810 [ 70.066101][ T5573] path_mount+0x5bc/0x1008 [ 70.066790][ T5573] __arm64_sys_mount+0x514/0x5f0 [ 70.067590][ T5573] invoke_syscall+0x98/0x2b0 [ 70.068111][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.068342][ T5573] el0_svc_common+0x138/0x258 [ 70.070931][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.071330][ T5573] do_el0_svc+0x58/0x13c [ 70.073050][ T5573] el0_svc+0x78/0x1d0 [ 70.073682][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 70.074515][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 70.131924][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.134216][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.167178][ T346] bond0 (unregistering): Released all slaves [ 70.173820][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.174995][ T5571] CPU: 0 PID: 5571 Comm: syz.0.34 Not tainted syzkaller #0 [ 70.176250][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.177835][ T5571] Call trace: [ 70.178341][ T5571] dump_backtrace+0x0/0x458 [ 70.179145][ T5571] show_stack+0x2c/0x3c [ 70.179843][ T5571] __dump_stack+0x30/0x40 [ 70.180602][ T5571] dump_stack_lvl+0xf4/0x15c [ 70.181336][ T5571] dump_stack+0x1c/0x5c [ 70.182016][ T5571] sysfs_create_dir_ns+0x244/0x264 [ 70.182810][ T5571] kobject_add_internal+0x5ac/0xc3c [ 70.183619][ T5571] kobject_init_and_add+0x124/0x190 [ 70.184452][ T5571] gfs2_sys_fs_add+0x200/0x41c [ 70.185189][ T5571] gfs2_fill_super+0xddc/0x1a18 [ 70.185969][ T5571] get_tree_bdev+0x358/0x544 [ 70.186661][ T5571] gfs2_get_tree+0x54/0x1b4 [ 70.187354][ T5571] vfs_get_tree+0x90/0x274 [ 70.188089][ T5571] do_new_mount+0x228/0x810 [ 70.188840][ T5571] path_mount+0x5bc/0x1008 [ 70.189583][ T5571] __arm64_sys_mount+0x514/0x5f0 [ 70.190372][ T5571] invoke_syscall+0x98/0x2b0 [ 70.191091][ T5571] el0_svc_common+0x138/0x258 [ 70.191880][ T5571] do_el0_svc+0x58/0x13c [ 70.192553][ T5571] el0_svc+0x78/0x1d0 [ 70.193239][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 70.194062][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 70.257400][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.260086][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.541039][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.542203][ T5573] CPU: 0 PID: 5573 Comm: syz.4.35 Not tainted syzkaller #0 [ 70.542861][ T5577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.543312][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.546195][ T5573] Call trace: [ 70.546712][ T5573] dump_backtrace+0x0/0x458 [ 70.547466][ T5573] show_stack+0x2c/0x3c [ 70.548127][ T5573] __dump_stack+0x30/0x40 [ 70.548867][ T5573] dump_stack_lvl+0xf4/0x15c [ 70.549604][ T5573] dump_stack+0x1c/0x5c [ 70.550259][ T5573] sysfs_create_dir_ns+0x244/0x264 [ 70.551050][ T5573] kobject_add_internal+0x5ac/0xc3c [ 70.551943][ T5573] kobject_init_and_add+0x124/0x190 [ 70.552775][ T5573] gfs2_sys_fs_add+0x200/0x41c [ 70.553532][ T5573] gfs2_fill_super+0xddc/0x1a18 [ 70.554401][ T5573] get_tree_bdev+0x358/0x544 [ 70.555266][ T5573] gfs2_get_tree+0x54/0x1b4 [ 70.555991][ T5573] vfs_get_tree+0x90/0x274 [ 70.556675][ T5573] do_new_mount+0x228/0x810 [ 70.557435][ T5573] path_mount+0x5bc/0x1008 [ 70.558183][ T5573] __arm64_sys_mount+0x514/0x5f0 [ 70.559002][ T5573] invoke_syscall+0x98/0x2b0 [ 70.559747][ T5573] el0_svc_common+0x138/0x258 [ 70.560473][ T5573] do_el0_svc+0x58/0x13c [ 70.561134][ T5573] el0_svc+0x78/0x1d0 [ 70.561769][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 70.562550][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 70.564923][ T5577] CPU: 1 PID: 5577 Comm: syz.2.37 Not tainted syzkaller #0 [ 70.566114][ T5577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.567712][ T5577] Call trace: [ 70.568225][ T5577] dump_backtrace+0x0/0x458 [ 70.568409][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.568924][ T5577] show_stack+0x2c/0x3c [ 70.568940][ T5577] __dump_stack+0x30/0x40 [ 70.568949][ T5577] dump_stack_lvl+0xf4/0x15c [ 70.568955][ T5577] dump_stack+0x1c/0x5c [ 70.568960][ T5577] sysfs_create_dir_ns+0x244/0x264 [ 70.568965][ T5577] kobject_add_internal+0x5ac/0xc3c [ 70.568970][ T5577] kobject_init_and_add+0x124/0x190 [ 70.568974][ T5577] gfs2_sys_fs_add+0x200/0x41c [ 70.568978][ T5577] gfs2_fill_super+0xddc/0x1a18 [ 70.568983][ T5577] get_tree_bdev+0x358/0x544 [ 70.568987][ T5577] gfs2_get_tree+0x54/0x1b4 [ 70.568991][ T5577] vfs_get_tree+0x90/0x274 [ 70.568995][ T5577] do_new_mount+0x228/0x810 [ 70.568999][ T5577] path_mount+0x5bc/0x1008 [ 70.569003][ T5577] __arm64_sys_mount+0x514/0x5f0 [ 70.569007][ T5577] invoke_syscall+0x98/0x2b0 [ 70.569012][ T5577] el0_svc_common+0x138/0x258 [ 70.569017][ T5577] do_el0_svc+0x58/0x13c [ 70.569021][ T5577] el0_svc+0x78/0x1d0 [ 70.569026][ T5577] el0t_64_sync_handler+0xcc/0xe4 [ 70.569031][ T5577] el0t_64_sync+0x1a0/0x1a4 [ 70.575319][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.581043][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.581917][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.592867][ T5575] CPU: 1 PID: 5575 Comm: syz.1.36 Not tainted syzkaller #0 [ 70.593946][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.595581][ T5575] Call trace: [ 70.596107][ T5575] dump_backtrace+0x0/0x458 [ 70.596796][ T5575] show_stack+0x2c/0x3c [ 70.597459][ T5575] __dump_stack+0x30/0x40 [ 70.598153][ T5575] dump_stack_lvl+0xf4/0x15c [ 70.598905][ T5575] dump_stack+0x1c/0x5c [ 70.599593][ T5575] sysfs_create_dir_ns+0x244/0x264 [ 70.600454][ T5575] kobject_add_internal+0x5ac/0xc3c [ 70.601299][ T5575] kobject_init_and_add+0x124/0x190 [ 70.602104][ T5575] gfs2_sys_fs_add+0x200/0x41c [ 70.602924][ T5575] gfs2_fill_super+0xddc/0x1a18 [ 70.603699][ T5575] get_tree_bdev+0x358/0x544 [ 70.604416][ T5575] gfs2_get_tree+0x54/0x1b4 [ 70.605185][ T5575] vfs_get_tree+0x90/0x274 [ 70.605941][ T5575] do_new_mount+0x228/0x810 [ 70.606714][ T5575] path_mount+0x5bc/0x1008 [ 70.607481][ T5575] __arm64_sys_mount+0x514/0x5f0 [ 70.608349][ T5575] invoke_syscall+0x98/0x2b0 [ 70.609106][ T5575] el0_svc_common+0x138/0x258 [ 70.609874][ T5575] do_el0_svc+0x58/0x13c [ 70.610547][ T5575] el0_svc+0x78/0x1d0 [ 70.611163][ T5575] el0t_64_sync_handler+0xcc/0xe4 [ 70.611984][ T5575] el0t_64_sync+0x1a0/0x1a4 [ 70.618729][ T5577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.620871][ T5577] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.622254][ T5579] CPU: 1 PID: 5579 Comm: syz.0.38 Not tainted syzkaller #0 [ 70.623303][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.624844][ T5579] Call trace: [ 70.625366][ T5579] dump_backtrace+0x0/0x458 [ 70.626140][ T5579] show_stack+0x2c/0x3c [ 70.626774][ T5579] __dump_stack+0x30/0x40 [ 70.627450][ T5579] dump_stack_lvl+0xf4/0x15c [ 70.628223][ T5579] dump_stack+0x1c/0x5c [ 70.628880][ T5579] sysfs_create_dir_ns+0x244/0x264 [ 70.629665][ T5579] kobject_add_internal+0x5ac/0xc3c [ 70.630484][ T5579] kobject_init_and_add+0x124/0x190 [ 70.631278][ T5579] gfs2_sys_fs_add+0x200/0x41c [ 70.632000][ T5579] gfs2_fill_super+0xddc/0x1a18 [ 70.632713][ T5579] get_tree_bdev+0x358/0x544 [ 70.633408][ T5579] gfs2_get_tree+0x54/0x1b4 [ 70.634183][ T5579] vfs_get_tree+0x90/0x274 [ 70.634942][ T5579] do_new_mount+0x228/0x810 [ 70.635724][ T5579] path_mount+0x5bc/0x1008 [ 70.636474][ T5579] __arm64_sys_mount+0x514/0x5f0 [ 70.637272][ T5579] invoke_syscall+0x98/0x2b0 [ 70.638075][ T5579] el0_svc_common+0x138/0x258 [ 70.638878][ T5579] do_el0_svc+0x58/0x13c [ 70.639564][ T5579] el0_svc+0x78/0x1d0 [ 70.640228][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 70.641020][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 70.658903][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.660968][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.670055][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.676619][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.847899][ T5581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.851563][ T5581] CPU: 1 PID: 5581 Comm: syz.4.39 Not tainted syzkaller #0 [ 70.852690][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.854356][ T5581] Call trace: [ 70.854907][ T5581] dump_backtrace+0x0/0x458 [ 70.855628][ T5581] show_stack+0x2c/0x3c [ 70.856253][ T5581] __dump_stack+0x30/0x40 [ 70.856966][ T5581] dump_stack_lvl+0xf4/0x15c [ 70.857722][ T5581] dump_stack+0x1c/0x5c [ 70.858359][ T5581] sysfs_create_dir_ns+0x244/0x264 [ 70.859184][ T5581] kobject_add_internal+0x5ac/0xc3c [ 70.860073][ T5581] kobject_init_and_add+0x124/0x190 [ 70.860855][ T5581] gfs2_sys_fs_add+0x200/0x41c [ 70.861506][ T5581] gfs2_fill_super+0xddc/0x1a18 [ 70.862266][ T5581] get_tree_bdev+0x358/0x544 [ 70.863008][ T5581] gfs2_get_tree+0x54/0x1b4 [ 70.863768][ T5581] vfs_get_tree+0x90/0x274 [ 70.864540][ T5581] do_new_mount+0x228/0x810 [ 70.865281][ T5581] path_mount+0x5bc/0x1008 [ 70.866057][ T5581] __arm64_sys_mount+0x514/0x5f0 [ 70.866809][ T5581] invoke_syscall+0x98/0x2b0 [ 70.867569][ T5581] el0_svc_common+0x138/0x258 [ 70.868412][ T5581] do_el0_svc+0x58/0x13c [ 70.869083][ T5581] el0_svc+0x78/0x1d0 [ 70.869742][ T5581] el0t_64_sync_handler+0xcc/0xe4 [ 70.870573][ T5581] el0t_64_sync+0x1a0/0x1a4 [ 70.912108][ T5577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.913300][ T5577] CPU: 1 PID: 5577 Comm: syz.2.37 Not tainted syzkaller #0 [ 70.914443][ T5577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.914886][ T5581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.916060][ T5577] Call trace: [ 70.916066][ T5577] dump_backtrace+0x0/0x458 [ 70.918021][ T5581] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.918547][ T5577] show_stack+0x2c/0x3c [ 70.918561][ T5577] __dump_stack+0x30/0x40 [ 70.918571][ T5577] dump_stack_lvl+0xf4/0x15c [ 70.918576][ T5577] dump_stack+0x1c/0x5c [ 70.922922][ T5577] sysfs_create_dir_ns+0x244/0x264 [ 70.923661][ T5577] kobject_add_internal+0x5ac/0xc3c [ 70.924475][ T5577] kobject_init_and_add+0x124/0x190 [ 70.925345][ T5577] gfs2_sys_fs_add+0x200/0x41c [ 70.926176][ T5577] gfs2_fill_super+0xddc/0x1a18 [ 70.926945][ T5577] get_tree_bdev+0x358/0x544 [ 70.927707][ T5577] gfs2_get_tree+0x54/0x1b4 [ 70.928451][ T5577] vfs_get_tree+0x90/0x274 [ 70.929174][ T5577] do_new_mount+0x228/0x810 [ 70.929925][ T5577] path_mount+0x5bc/0x1008 [ 70.930708][ T5577] __arm64_sys_mount+0x514/0x5f0 [ 70.931513][ T5577] invoke_syscall+0x98/0x2b0 [ 70.932220][ T5577] el0_svc_common+0x138/0x258 [ 70.932925][ T5577] do_el0_svc+0x58/0x13c [ 70.933554][ T5577] el0_svc+0x78/0x1d0 [ 70.934118][ T5577] el0t_64_sync_handler+0xcc/0xe4 [ 70.934864][ T5577] el0t_64_sync+0x1a0/0x1a4 [ 70.936133][ T5577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.938207][ T5577] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.940521][ T5583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.941788][ T5583] CPU: 0 PID: 5583 Comm: syz.1.40 Not tainted syzkaller #0 [ 70.942954][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.944599][ T5583] Call trace: [ 70.945165][ T5583] dump_backtrace+0x0/0x458 [ 70.945877][ T5583] show_stack+0x2c/0x3c [ 70.946510][ T5583] __dump_stack+0x30/0x40 [ 70.947189][ T5583] dump_stack_lvl+0xf4/0x15c [ 70.947970][ T5583] dump_stack+0x1c/0x5c [ 70.948678][ T5583] sysfs_create_dir_ns+0x244/0x264 [ 70.949622][ T5583] kobject_add_internal+0x5ac/0xc3c [ 70.950521][ T5583] kobject_init_and_add+0x124/0x190 [ 70.951416][ T5583] gfs2_sys_fs_add+0x200/0x41c [ 70.952277][ T5583] gfs2_fill_super+0xddc/0x1a18 [ 70.953068][ T5583] get_tree_bdev+0x358/0x544 [ 70.953739][ T5583] gfs2_get_tree+0x54/0x1b4 [ 70.954415][ T5583] vfs_get_tree+0x90/0x274 [ 70.955142][ T5583] do_new_mount+0x228/0x810 [ 70.955872][ T5583] path_mount+0x5bc/0x1008 [ 70.956587][ T5583] __arm64_sys_mount+0x514/0x5f0 [ 70.957402][ T5583] invoke_syscall+0x98/0x2b0 [ 70.958119][ T5583] el0_svc_common+0x138/0x258 [ 70.958861][ T5583] do_el0_svc+0x58/0x13c [ 70.959557][ T5583] el0_svc+0x78/0x1d0 [ 70.960196][ T5583] el0t_64_sync_handler+0xcc/0xe4 [ 70.961002][ T5583] el0t_64_sync+0x1a0/0x1a4 [ 70.962283][ T5583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.964306][ T5583] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.973207][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.974434][ T5579] CPU: 0 PID: 5579 Comm: syz.0.38 Not tainted syzkaller #0 [ 70.975617][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 70.977350][ T5579] Call trace: [ 70.977863][ T5579] dump_backtrace+0x0/0x458 [ 70.978605][ T5579] show_stack+0x2c/0x3c [ 70.979352][ T5579] __dump_stack+0x30/0x40 [ 70.980094][ T5579] dump_stack_lvl+0xf4/0x15c [ 70.980878][ T5579] dump_stack+0x1c/0x5c [ 70.981632][ T5579] sysfs_create_dir_ns+0x244/0x264 [ 70.982519][ T5579] kobject_add_internal+0x5ac/0xc3c [ 70.983412][ T5579] kobject_init_and_add+0x124/0x190 [ 70.984266][ T5579] gfs2_sys_fs_add+0x200/0x41c [ 70.985030][ T5579] gfs2_fill_super+0xddc/0x1a18 [ 70.985891][ T5579] get_tree_bdev+0x358/0x544 [ 70.986673][ T5579] gfs2_get_tree+0x54/0x1b4 [ 70.987351][ T5579] vfs_get_tree+0x90/0x274 [ 70.988041][ T5579] do_new_mount+0x228/0x810 [ 70.988918][ T5579] path_mount+0x5bc/0x1008 [ 70.989592][ T5579] __arm64_sys_mount+0x514/0x5f0 [ 70.990388][ T5579] invoke_syscall+0x98/0x2b0 [ 70.991059][ T5579] el0_svc_common+0x138/0x258 [ 70.991777][ T5579] do_el0_svc+0x58/0x13c [ 70.992467][ T5579] el0_svc+0x78/0x1d0 [ 70.993157][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 70.994034][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 70.996409][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.998421][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.182402][ T5583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.183826][ T5583] CPU: 0 PID: 5583 Comm: syz.1.40 Not tainted syzkaller #0 [ 71.184917][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.186611][ T5583] Call trace: [ 71.187136][ T5583] dump_backtrace+0x0/0x458 [ 71.187968][ T5583] show_stack+0x2c/0x3c [ 71.188656][ T5583] __dump_stack+0x30/0x40 [ 71.189369][ T5583] dump_stack_lvl+0xf4/0x15c [ 71.190150][ T5583] dump_stack+0x1c/0x5c [ 71.190781][ T5583] sysfs_create_dir_ns+0x244/0x264 [ 71.191704][ T5583] kobject_add_internal+0x5ac/0xc3c [ 71.192570][ T5583] kobject_init_and_add+0x124/0x190 [ 71.193394][ T5583] gfs2_sys_fs_add+0x200/0x41c [ 71.194152][ T5583] gfs2_fill_super+0xddc/0x1a18 [ 71.194894][ T5583] get_tree_bdev+0x358/0x544 [ 71.195654][ T5583] gfs2_get_tree+0x54/0x1b4 [ 71.196350][ T5583] vfs_get_tree+0x90/0x274 [ 71.197061][ T5583] do_new_mount+0x228/0x810 [ 71.197832][ T5583] path_mount+0x5bc/0x1008 [ 71.198521][ T5583] __arm64_sys_mount+0x514/0x5f0 [ 71.199322][ T5583] invoke_syscall+0x98/0x2b0 [ 71.200039][ T5583] el0_svc_common+0x138/0x258 [ 71.200755][ T5583] do_el0_svc+0x58/0x13c [ 71.201463][ T5583] el0_svc+0x78/0x1d0 [ 71.202089][ T5583] el0t_64_sync_handler+0xcc/0xe4 [ 71.202853][ T5583] el0t_64_sync+0x1a0/0x1a4 [ 71.233496][ T5583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.241199][ T5583] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.317602][ T5581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.321400][ T5581] CPU: 0 PID: 5581 Comm: syz.4.39 Not tainted syzkaller #0 [ 71.322491][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.324000][ T5581] Call trace: [ 71.324532][ T5581] dump_backtrace+0x0/0x458 [ 71.325289][ T5581] show_stack+0x2c/0x3c [ 71.325945][ T5581] __dump_stack+0x30/0x40 [ 71.326593][ T5581] dump_stack_lvl+0xf4/0x15c [ 71.327334][ T5581] dump_stack+0x1c/0x5c [ 71.327982][ T5581] sysfs_create_dir_ns+0x244/0x264 [ 71.328805][ T5581] kobject_add_internal+0x5ac/0xc3c [ 71.329694][ T5581] kobject_init_and_add+0x124/0x190 [ 71.330487][ T5581] gfs2_sys_fs_add+0x200/0x41c [ 71.331206][ T5581] gfs2_fill_super+0xddc/0x1a18 [ 71.331966][ T5581] get_tree_bdev+0x358/0x544 [ 71.332691][ T5581] gfs2_get_tree+0x54/0x1b4 [ 71.333398][ T5581] vfs_get_tree+0x90/0x274 [ 71.334142][ T5581] do_new_mount+0x228/0x810 [ 71.334879][ T5581] path_mount+0x5bc/0x1008 [ 71.335571][ T5581] __arm64_sys_mount+0x514/0x5f0 [ 71.336318][ T5581] invoke_syscall+0x98/0x2b0 [ 71.337097][ T5581] el0_svc_common+0x138/0x258 [ 71.337837][ T5581] do_el0_svc+0x58/0x13c [ 71.338470][ T5581] el0_svc+0x78/0x1d0 [ 71.339100][ T5581] el0t_64_sync_handler+0xcc/0xe4 [ 71.339856][ T5581] el0t_64_sync+0x1a0/0x1a4 [ 71.359522][ T5586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.360831][ T5586] CPU: 1 PID: 5586 Comm: syz.2.41 Not tainted syzkaller #0 [ 71.362035][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.363692][ T5586] Call trace: [ 71.364207][ T5586] dump_backtrace+0x0/0x458 [ 71.364876][ T5581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.364934][ T5586] show_stack+0x2c/0x3c [ 71.367026][ T5581] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.367621][ T5586] __dump_stack+0x30/0x40 [ 71.369233][ T5586] dump_stack_lvl+0xf4/0x15c [ 71.370015][ T5586] dump_stack+0x1c/0x5c [ 71.370696][ T5586] sysfs_create_dir_ns+0x244/0x264 [ 71.371563][ T5586] kobject_add_internal+0x5ac/0xc3c [ 71.372413][ T5586] kobject_init_and_add+0x124/0x190 [ 71.373232][ T5586] gfs2_sys_fs_add+0x200/0x41c [ 71.374048][ T5586] gfs2_fill_super+0xddc/0x1a18 [ 71.374899][ T5586] get_tree_bdev+0x358/0x544 [ 71.375658][ T5586] gfs2_get_tree+0x54/0x1b4 [ 71.376368][ T5586] vfs_get_tree+0x90/0x274 [ 71.377060][ T5586] do_new_mount+0x228/0x810 [ 71.377774][ T5586] path_mount+0x5bc/0x1008 [ 71.378487][ T5586] __arm64_sys_mount+0x514/0x5f0 [ 71.379270][ T5586] invoke_syscall+0x98/0x2b0 [ 71.379948][ T5586] el0_svc_common+0x138/0x258 [ 71.380679][ T5586] do_el0_svc+0x58/0x13c [ 71.381342][ T5586] el0_svc+0x78/0x1d0 [ 71.382008][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 71.382848][ T5586] el0t_64_sync+0x1a0/0x1a4 [ 71.389438][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.390562][ T5588] CPU: 1 PID: 5588 Comm: syz.0.42 Not tainted syzkaller #0 [ 71.391583][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.393196][ T5588] Call trace: [ 71.393686][ T5588] dump_backtrace+0x0/0x458 [ 71.394379][ T5588] show_stack+0x2c/0x3c [ 71.395031][ T5588] __dump_stack+0x30/0x40 [ 71.395789][ T5588] dump_stack_lvl+0xf4/0x15c [ 71.396570][ T5588] dump_stack+0x1c/0x5c [ 71.397271][ T5588] sysfs_create_dir_ns+0x244/0x264 [ 71.398085][ T5588] kobject_add_internal+0x5ac/0xc3c [ 71.398921][ T5588] kobject_init_and_add+0x124/0x190 [ 71.399728][ T5588] gfs2_sys_fs_add+0x200/0x41c [ 71.400451][ T5588] gfs2_fill_super+0xddc/0x1a18 [ 71.401175][ T5588] get_tree_bdev+0x358/0x544 [ 71.401907][ T5588] gfs2_get_tree+0x54/0x1b4 [ 71.402601][ T5588] vfs_get_tree+0x90/0x274 [ 71.403313][ T5588] do_new_mount+0x228/0x810 [ 71.404015][ T5588] path_mount+0x5bc/0x1008 [ 71.404706][ T5588] __arm64_sys_mount+0x514/0x5f0 [ 71.405465][ T5588] invoke_syscall+0x98/0x2b0 [ 71.406180][ T5588] el0_svc_common+0x138/0x258 [ 71.406909][ T5588] do_el0_svc+0x58/0x13c [ 71.407601][ T5588] el0_svc+0x78/0x1d0 [ 71.408176][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 71.408978][ T5588] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:11 executed programs: 39 [ 71.440529][ T5588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.442612][ T5588] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.444050][ T5586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.446060][ T5586] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.476354][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.477761][ T5590] CPU: 0 PID: 5590 Comm: syz.1.43 Not tainted syzkaller #0 [ 71.478965][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.480561][ T5590] Call trace: [ 71.481029][ T5590] dump_backtrace+0x0/0x458 [ 71.481743][ T5590] show_stack+0x2c/0x3c [ 71.482387][ T5590] __dump_stack+0x30/0x40 [ 71.483058][ T5590] dump_stack_lvl+0xf4/0x15c [ 71.483767][ T5590] dump_stack+0x1c/0x5c [ 71.484372][ T5590] sysfs_create_dir_ns+0x244/0x264 [ 71.485230][ T5590] kobject_add_internal+0x5ac/0xc3c [ 71.486097][ T5590] kobject_init_and_add+0x124/0x190 [ 71.486953][ T5590] gfs2_sys_fs_add+0x200/0x41c [ 71.487744][ T5590] gfs2_fill_super+0xddc/0x1a18 [ 71.488528][ T5590] get_tree_bdev+0x358/0x544 [ 71.489281][ T5590] gfs2_get_tree+0x54/0x1b4 [ 71.489982][ T5590] vfs_get_tree+0x90/0x274 [ 71.490695][ T5590] do_new_mount+0x228/0x810 [ 71.491454][ T5590] path_mount+0x5bc/0x1008 [ 71.492184][ T5590] __arm64_sys_mount+0x514/0x5f0 [ 71.493006][ T5590] invoke_syscall+0x98/0x2b0 [ 71.493675][ T5590] el0_svc_common+0x138/0x258 [ 71.494301][ T5590] do_el0_svc+0x58/0x13c [ 71.494987][ T5590] el0_svc+0x78/0x1d0 [ 71.495633][ T5590] el0t_64_sync_handler+0xcc/0xe4 [ 71.496448][ T5590] el0t_64_sync+0x1a0/0x1a4 [ 71.522829][ T5590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.524955][ T5590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.733076][ T5592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.734307][ T5592] CPU: 1 PID: 5592 Comm: syz.4.44 Not tainted syzkaller #0 [ 71.735471][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.737111][ T5592] Call trace: [ 71.737635][ T5592] dump_backtrace+0x0/0x458 [ 71.738356][ T5592] show_stack+0x2c/0x3c [ 71.739017][ T5592] __dump_stack+0x30/0x40 [ 71.739720][ T5592] dump_stack_lvl+0xf4/0x15c [ 71.740458][ T5592] dump_stack+0x1c/0x5c [ 71.741171][ T5592] sysfs_create_dir_ns+0x244/0x264 [ 71.741985][ T5592] kobject_add_internal+0x5ac/0xc3c [ 71.742812][ T5592] kobject_init_and_add+0x124/0x190 [ 71.743696][ T5592] gfs2_sys_fs_add+0x200/0x41c [ 71.744480][ T5592] gfs2_fill_super+0xddc/0x1a18 [ 71.745237][ T5592] get_tree_bdev+0x358/0x544 [ 71.745985][ T5592] gfs2_get_tree+0x54/0x1b4 [ 71.746706][ T5592] vfs_get_tree+0x90/0x274 [ 71.747434][ T5592] do_new_mount+0x228/0x810 [ 71.748139][ T5592] path_mount+0x5bc/0x1008 [ 71.748880][ T5592] __arm64_sys_mount+0x514/0x5f0 [ 71.749609][ T5592] invoke_syscall+0x98/0x2b0 [ 71.750330][ T5592] el0_svc_common+0x138/0x258 [ 71.751084][ T5592] do_el0_svc+0x58/0x13c [ 71.751725][ T5592] el0_svc+0x78/0x1d0 [ 71.752335][ T5592] el0t_64_sync_handler+0xcc/0xe4 [ 71.753084][ T5592] el0t_64_sync+0x1a0/0x1a4 [ 71.765050][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.765509][ T5586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.766369][ T5588] CPU: 0 PID: 5588 Comm: syz.0.42 Not tainted syzkaller #0 [ 71.768663][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.770183][ T5588] Call trace: [ 71.770734][ T5588] dump_backtrace+0x0/0x458 [ 71.771464][ T5588] show_stack+0x2c/0x3c [ 71.772077][ T5588] __dump_stack+0x30/0x40 [ 71.772779][ T5588] dump_stack_lvl+0xf4/0x15c [ 71.773501][ T5588] dump_stack+0x1c/0x5c [ 71.774120][ T5588] sysfs_create_dir_ns+0x244/0x264 [ 71.774188][ T5592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.774895][ T5588] kobject_add_internal+0x5ac/0xc3c [ 71.777084][ T5592] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.777822][ T5588] kobject_init_and_add+0x124/0x190 [ 71.779627][ T5588] gfs2_sys_fs_add+0x200/0x41c [ 71.780455][ T5588] gfs2_fill_super+0xddc/0x1a18 [ 71.781264][ T5588] get_tree_bdev+0x358/0x544 [ 71.781992][ T5588] gfs2_get_tree+0x54/0x1b4 [ 71.782730][ T5588] vfs_get_tree+0x90/0x274 [ 71.783412][ T5588] do_new_mount+0x228/0x810 [ 71.784108][ T5588] path_mount+0x5bc/0x1008 [ 71.784800][ T5588] __arm64_sys_mount+0x514/0x5f0 [ 71.785519][ T5588] invoke_syscall+0x98/0x2b0 [ 71.786309][ T5588] el0_svc_common+0x138/0x258 [ 71.787082][ T5588] do_el0_svc+0x58/0x13c [ 71.787755][ T5588] el0_svc+0x78/0x1d0 [ 71.788411][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 71.789203][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 71.790337][ T5586] CPU: 1 PID: 5586 Comm: syz.2.41 Not tainted syzkaller #0 [ 71.791532][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.793058][ T5586] Call trace: [ 71.793542][ T5586] dump_backtrace+0x0/0x458 [ 71.794210][ T5586] show_stack+0x2c/0x3c [ 71.794850][ T5586] __dump_stack+0x30/0x40 [ 71.795538][ T5586] dump_stack_lvl+0xf4/0x15c [ 71.796229][ T5586] dump_stack+0x1c/0x5c [ 71.796963][ T5586] sysfs_create_dir_ns+0x244/0x264 [ 71.797860][ T5586] kobject_add_internal+0x5ac/0xc3c [ 71.798767][ T5586] kobject_init_and_add+0x124/0x190 [ 71.799566][ T5586] gfs2_sys_fs_add+0x200/0x41c [ 71.800360][ T5586] gfs2_fill_super+0xddc/0x1a18 [ 71.801178][ T5586] get_tree_bdev+0x358/0x544 [ 71.801922][ T5586] gfs2_get_tree+0x54/0x1b4 [ 71.802645][ T5586] vfs_get_tree+0x90/0x274 [ 71.803367][ T5586] do_new_mount+0x228/0x810 [ 71.804123][ T5586] path_mount+0x5bc/0x1008 [ 71.804848][ T5586] __arm64_sys_mount+0x514/0x5f0 [ 71.805689][ T5586] invoke_syscall+0x98/0x2b0 [ 71.806208][ T5588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.806480][ T5586] el0_svc_common+0x138/0x258 [ 71.808595][ T5588] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.809369][ T5586] do_el0_svc+0x58/0x13c [ 71.809382][ T5586] el0_svc+0x78/0x1d0 [ 71.809392][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 71.809398][ T5586] el0t_64_sync+0x1a0/0x1a4 [ 71.850737][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.852074][ T5590] CPU: 0 PID: 5590 Comm: syz.1.43 Not tainted syzkaller #0 [ 71.853240][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 71.853867][ T5586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.854770][ T5590] Call trace: [ 71.857030][ T5586] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.857512][ T5590] dump_backtrace+0x0/0x458 [ 71.859414][ T5590] show_stack+0x2c/0x3c [ 71.860140][ T5590] __dump_stack+0x30/0x40 [ 71.860835][ T5590] dump_stack_lvl+0xf4/0x15c [ 71.861540][ T5590] dump_stack+0x1c/0x5c [ 71.862182][ T5590] sysfs_create_dir_ns+0x244/0x264 [ 71.862998][ T5590] kobject_add_internal+0x5ac/0xc3c [ 71.863821][ T5590] kobject_init_and_add+0x124/0x190 [ 71.864649][ T5590] gfs2_sys_fs_add+0x200/0x41c [ 71.865432][ T5590] gfs2_fill_super+0xddc/0x1a18 [ 71.866322][ T5590] get_tree_bdev+0x358/0x544 [ 71.867047][ T5590] gfs2_get_tree+0x54/0x1b4 [ 71.867738][ T5590] vfs_get_tree+0x90/0x274 [ 71.868402][ T5590] do_new_mount+0x228/0x810 [ 71.869149][ T5590] path_mount+0x5bc/0x1008 [ 71.869875][ T5590] __arm64_sys_mount+0x514/0x5f0 [ 71.870639][ T5590] invoke_syscall+0x98/0x2b0 [ 71.871360][ T5590] el0_svc_common+0x138/0x258 [ 71.872077][ T5590] do_el0_svc+0x58/0x13c [ 71.872795][ T5590] el0_svc+0x78/0x1d0 [ 71.873460][ T5590] el0t_64_sync_handler+0xcc/0xe4 [ 71.874298][ T5590] el0t_64_sync+0x1a0/0x1a4 [ 71.908904][ T5590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.911179][ T5590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.027657][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.037291][ T5597] CPU: 0 PID: 5597 Comm: syz.0.45 Not tainted syzkaller #0 [ 72.038400][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.040108][ T5597] Call trace: [ 72.040612][ T5597] dump_backtrace+0x0/0x458 [ 72.041333][ T5597] show_stack+0x2c/0x3c [ 72.041978][ T5597] __dump_stack+0x30/0x40 [ 72.042681][ T5597] dump_stack_lvl+0xf4/0x15c [ 72.043334][ T5597] dump_stack+0x1c/0x5c [ 72.043958][ T5597] sysfs_create_dir_ns+0x244/0x264 [ 72.044739][ T5597] kobject_add_internal+0x5ac/0xc3c [ 72.045631][ T5597] kobject_init_and_add+0x124/0x190 [ 72.046500][ T5597] gfs2_sys_fs_add+0x200/0x41c [ 72.047227][ T5597] gfs2_fill_super+0xddc/0x1a18 [ 72.048011][ T5597] get_tree_bdev+0x358/0x544 [ 72.048694][ T5597] gfs2_get_tree+0x54/0x1b4 [ 72.049386][ T5597] vfs_get_tree+0x90/0x274 [ 72.050076][ T5597] do_new_mount+0x228/0x810 [ 72.050838][ T5597] path_mount+0x5bc/0x1008 [ 72.051567][ T5597] __arm64_sys_mount+0x514/0x5f0 [ 72.052378][ T5597] invoke_syscall+0x98/0x2b0 [ 72.053140][ T5597] el0_svc_common+0x138/0x258 [ 72.053872][ T5597] do_el0_svc+0x58/0x13c [ 72.054584][ T5597] el0_svc+0x78/0x1d0 [ 72.055247][ T5597] el0t_64_sync_handler+0xcc/0xe4 [ 72.056047][ T5597] el0t_64_sync+0x1a0/0x1a4 [ 72.087767][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.090310][ T5592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.090526][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.091525][ T5592] CPU: 1 PID: 5592 Comm: syz.4.44 Not tainted syzkaller #0 [ 72.093685][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.095308][ T5592] Call trace: [ 72.095807][ T5592] dump_backtrace+0x0/0x458 [ 72.096484][ T5592] show_stack+0x2c/0x3c [ 72.097108][ T5592] __dump_stack+0x30/0x40 [ 72.097776][ T5592] dump_stack_lvl+0xf4/0x15c [ 72.098496][ T5592] dump_stack+0x1c/0x5c [ 72.099117][ T5592] sysfs_create_dir_ns+0x244/0x264 [ 72.099911][ T5592] kobject_add_internal+0x5ac/0xc3c [ 72.100785][ T5592] kobject_init_and_add+0x124/0x190 [ 72.101626][ T5592] gfs2_sys_fs_add+0x200/0x41c [ 72.102417][ T5592] gfs2_fill_super+0xddc/0x1a18 [ 72.103154][ T5592] get_tree_bdev+0x358/0x544 [ 72.103867][ T5592] gfs2_get_tree+0x54/0x1b4 [ 72.104590][ T5592] vfs_get_tree+0x90/0x274 [ 72.105267][ T5592] do_new_mount+0x228/0x810 [ 72.105974][ T5592] path_mount+0x5bc/0x1008 [ 72.106688][ T5592] __arm64_sys_mount+0x514/0x5f0 [ 72.107484][ T5592] invoke_syscall+0x98/0x2b0 [ 72.108202][ T5592] el0_svc_common+0x138/0x258 [ 72.109018][ T5592] do_el0_svc+0x58/0x13c [ 72.109710][ T5592] el0_svc+0x78/0x1d0 [ 72.110338][ T5592] el0t_64_sync_handler+0xcc/0xe4 [ 72.111132][ T5592] el0t_64_sync+0x1a0/0x1a4 [ 72.141800][ T5592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.143975][ T5592] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.230867][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.232167][ T5599] CPU: 0 PID: 5599 Comm: syz.2.46 Not tainted syzkaller #0 [ 72.233307][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.234857][ T5599] Call trace: [ 72.235360][ T5599] dump_backtrace+0x0/0x458 [ 72.236042][ T5599] show_stack+0x2c/0x3c [ 72.236653][ T5599] __dump_stack+0x30/0x40 [ 72.237373][ T5599] dump_stack_lvl+0xf4/0x15c [ 72.238130][ T5599] dump_stack+0x1c/0x5c [ 72.238801][ T5599] sysfs_create_dir_ns+0x244/0x264 [ 72.239511][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.239604][ T5599] kobject_add_internal+0x5ac/0xc3c [ 72.241690][ T5599] kobject_init_and_add+0x124/0x190 [ 72.242555][ T5599] gfs2_sys_fs_add+0x200/0x41c [ 72.243371][ T5599] gfs2_fill_super+0xddc/0x1a18 [ 72.244148][ T5599] get_tree_bdev+0x358/0x544 [ 72.244895][ T5599] gfs2_get_tree+0x54/0x1b4 [ 72.245580][ T5599] vfs_get_tree+0x90/0x274 [ 72.246266][ T5599] do_new_mount+0x228/0x810 [ 72.246986][ T5599] path_mount+0x5bc/0x1008 [ 72.247662][ T5599] __arm64_sys_mount+0x514/0x5f0 [ 72.248391][ T5599] invoke_syscall+0x98/0x2b0 [ 72.249129][ T5599] el0_svc_common+0x138/0x258 [ 72.249874][ T5599] do_el0_svc+0x58/0x13c [ 72.250530][ T5599] el0_svc+0x78/0x1d0 [ 72.251128][ T5599] el0t_64_sync_handler+0xcc/0xe4 [ 72.251879][ T5599] el0t_64_sync+0x1a0/0x1a4 [ 72.252612][ T5601] CPU: 1 PID: 5601 Comm: syz.1.47 Not tainted syzkaller #0 [ 72.253722][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.255382][ T5601] Call trace: [ 72.255958][ T5601] dump_backtrace+0x0/0x458 [ 72.256669][ T5601] show_stack+0x2c/0x3c [ 72.257391][ T5601] __dump_stack+0x30/0x40 [ 72.258036][ T5601] dump_stack_lvl+0xf4/0x15c [ 72.258708][ T5601] dump_stack+0x1c/0x5c [ 72.259355][ T5601] sysfs_create_dir_ns+0x244/0x264 [ 72.260194][ T5601] kobject_add_internal+0x5ac/0xc3c [ 72.261034][ T5601] kobject_init_and_add+0x124/0x190 [ 72.261879][ T5601] gfs2_sys_fs_add+0x200/0x41c [ 72.262621][ T5601] gfs2_fill_super+0xddc/0x1a18 [ 72.263363][ T5601] get_tree_bdev+0x358/0x544 [ 72.264036][ T5601] gfs2_get_tree+0x54/0x1b4 [ 72.264710][ T5601] vfs_get_tree+0x90/0x274 [ 72.265366][ T5601] do_new_mount+0x228/0x810 [ 72.266140][ T5601] path_mount+0x5bc/0x1008 [ 72.266839][ T5601] __arm64_sys_mount+0x514/0x5f0 [ 72.267611][ T5601] invoke_syscall+0x98/0x2b0 [ 72.268363][ T5601] el0_svc_common+0x138/0x258 [ 72.269087][ T5601] do_el0_svc+0x58/0x13c [ 72.269758][ T5601] el0_svc+0x78/0x1d0 [ 72.270392][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 72.271236][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 72.290113][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.292327][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.317695][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.321898][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.349559][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.350842][ T5597] CPU: 0 PID: 5597 Comm: syz.0.45 Not tainted syzkaller #0 [ 72.352010][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.353596][ T5597] Call trace: [ 72.354152][ T5597] dump_backtrace+0x0/0x458 [ 72.354860][ T5597] show_stack+0x2c/0x3c [ 72.355513][ T5597] __dump_stack+0x30/0x40 [ 72.356219][ T5597] dump_stack_lvl+0xf4/0x15c [ 72.356962][ T5597] dump_stack+0x1c/0x5c [ 72.357599][ T5597] sysfs_create_dir_ns+0x244/0x264 [ 72.358434][ T5597] kobject_add_internal+0x5ac/0xc3c [ 72.359336][ T5597] kobject_init_and_add+0x124/0x190 [ 72.360189][ T5597] gfs2_sys_fs_add+0x200/0x41c [ 72.361005][ T5597] gfs2_fill_super+0xddc/0x1a18 [ 72.361793][ T5597] get_tree_bdev+0x358/0x544 [ 72.362569][ T5597] gfs2_get_tree+0x54/0x1b4 [ 72.363241][ T5597] vfs_get_tree+0x90/0x274 [ 72.363986][ T5597] do_new_mount+0x228/0x810 [ 72.364704][ T5597] path_mount+0x5bc/0x1008 [ 72.365440][ T5597] __arm64_sys_mount+0x514/0x5f0 [ 72.366270][ T5597] invoke_syscall+0x98/0x2b0 [ 72.367053][ T5597] el0_svc_common+0x138/0x258 [ 72.367787][ T5597] do_el0_svc+0x58/0x13c [ 72.368455][ T5597] el0_svc+0x78/0x1d0 [ 72.369142][ T5597] el0t_64_sync_handler+0xcc/0xe4 [ 72.369892][ T5597] el0t_64_sync+0x1a0/0x1a4 [ 72.401223][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.407282][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.449382][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.450606][ T5603] CPU: 1 PID: 5603 Comm: syz.4.48 Not tainted syzkaller #0 [ 72.451693][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.453303][ T5603] Call trace: [ 72.453826][ T5603] dump_backtrace+0x0/0x458 [ 72.454583][ T5603] show_stack+0x2c/0x3c [ 72.455254][ T5603] __dump_stack+0x30/0x40 [ 72.455946][ T5603] dump_stack_lvl+0xf4/0x15c [ 72.456648][ T5603] dump_stack+0x1c/0x5c [ 72.457374][ T5603] sysfs_create_dir_ns+0x244/0x264 [ 72.458217][ T5603] kobject_add_internal+0x5ac/0xc3c [ 72.459104][ T5603] kobject_init_and_add+0x124/0x190 [ 72.459942][ T5603] gfs2_sys_fs_add+0x200/0x41c [ 72.460682][ T5603] gfs2_fill_super+0xddc/0x1a18 [ 72.461466][ T5603] get_tree_bdev+0x358/0x544 [ 72.462260][ T5603] gfs2_get_tree+0x54/0x1b4 [ 72.462982][ T5603] vfs_get_tree+0x90/0x274 [ 72.463745][ T5603] do_new_mount+0x228/0x810 [ 72.464492][ T5603] path_mount+0x5bc/0x1008 [ 72.465167][ T5603] __arm64_sys_mount+0x514/0x5f0 [ 72.465930][ T5603] invoke_syscall+0x98/0x2b0 [ 72.466764][ T5603] el0_svc_common+0x138/0x258 [ 72.467565][ T5603] do_el0_svc+0x58/0x13c [ 72.468245][ T5603] el0_svc+0x78/0x1d0 [ 72.468907][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 72.469744][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 72.510602][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.512692][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.542565][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.543916][ T5599] CPU: 0 PID: 5599 Comm: syz.2.46 Not tainted syzkaller #0 [ 72.545058][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.546652][ T5599] Call trace: [ 72.547228][ T5599] dump_backtrace+0x0/0x458 [ 72.547946][ T5599] show_stack+0x2c/0x3c [ 72.548617][ T5599] __dump_stack+0x30/0x40 [ 72.549343][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.550505][ T5599] dump_stack_lvl+0xf4/0x15c [ 72.551260][ T5599] dump_stack+0x1c/0x5c [ 72.551944][ T5599] sysfs_create_dir_ns+0x244/0x264 [ 72.552820][ T5599] kobject_add_internal+0x5ac/0xc3c [ 72.553654][ T5599] kobject_init_and_add+0x124/0x190 [ 72.554480][ T5599] gfs2_sys_fs_add+0x200/0x41c [ 72.555206][ T5599] gfs2_fill_super+0xddc/0x1a18 [ 72.555991][ T5599] get_tree_bdev+0x358/0x544 [ 72.556752][ T5599] gfs2_get_tree+0x54/0x1b4 [ 72.557450][ T5599] vfs_get_tree+0x90/0x274 [ 72.558124][ T5599] do_new_mount+0x228/0x810 [ 72.558831][ T5599] path_mount+0x5bc/0x1008 [ 72.559498][ T5599] __arm64_sys_mount+0x514/0x5f0 [ 72.560264][ T5599] invoke_syscall+0x98/0x2b0 [ 72.560929][ T5599] el0_svc_common+0x138/0x258 [ 72.561609][ T5599] do_el0_svc+0x58/0x13c [ 72.562260][ T5599] el0_svc+0x78/0x1d0 [ 72.562880][ T5599] el0t_64_sync_handler+0xcc/0xe4 [ 72.563658][ T5599] el0t_64_sync+0x1a0/0x1a4 [ 72.571090][ T5601] CPU: 1 PID: 5601 Comm: syz.1.47 Not tainted syzkaller #0 [ 72.572252][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.573928][ T5601] Call trace: [ 72.574536][ T5601] dump_backtrace+0x0/0x458 [ 72.575245][ T5601] show_stack+0x2c/0x3c [ 72.575909][ T5601] __dump_stack+0x30/0x40 [ 72.576562][ T5601] dump_stack_lvl+0xf4/0x15c [ 72.577269][ T5601] dump_stack+0x1c/0x5c [ 72.577899][ T5601] sysfs_create_dir_ns+0x244/0x264 [ 72.578751][ T5601] kobject_add_internal+0x5ac/0xc3c [ 72.579628][ T5601] kobject_init_and_add+0x124/0x190 [ 72.580524][ T5601] gfs2_sys_fs_add+0x200/0x41c [ 72.581319][ T5601] gfs2_fill_super+0xddc/0x1a18 [ 72.582157][ T5601] get_tree_bdev+0x358/0x544 [ 72.582958][ T5601] gfs2_get_tree+0x54/0x1b4 [ 72.583742][ T5601] vfs_get_tree+0x90/0x274 [ 72.584441][ T5601] do_new_mount+0x228/0x810 [ 72.585054][ T5601] path_mount+0x5bc/0x1008 [ 72.585729][ T5601] __arm64_sys_mount+0x514/0x5f0 [ 72.586521][ T5601] invoke_syscall+0x98/0x2b0 [ 72.587327][ T5601] el0_svc_common+0x138/0x258 [ 72.588128][ T5601] do_el0_svc+0x58/0x13c [ 72.588831][ T5601] el0_svc+0x78/0x1d0 [ 72.589512][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 72.590316][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 72.592068][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.598642][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.633004][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.635182][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.723335][ T5606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.724593][ T5606] CPU: 0 PID: 5606 Comm: syz.0.49 Not tainted syzkaller #0 [ 72.725767][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.727315][ T5606] Call trace: [ 72.727917][ T5606] dump_backtrace+0x0/0x458 [ 72.728743][ T5606] show_stack+0x2c/0x3c [ 72.729390][ T5606] __dump_stack+0x30/0x40 [ 72.730028][ T5606] dump_stack_lvl+0xf4/0x15c [ 72.730751][ T5606] dump_stack+0x1c/0x5c [ 72.731462][ T5606] sysfs_create_dir_ns+0x244/0x264 [ 72.732332][ T5606] kobject_add_internal+0x5ac/0xc3c [ 72.733213][ T5606] kobject_init_and_add+0x124/0x190 [ 72.734082][ T5606] gfs2_sys_fs_add+0x200/0x41c [ 72.734917][ T5606] gfs2_fill_super+0xddc/0x1a18 [ 72.735775][ T5606] get_tree_bdev+0x358/0x544 [ 72.736548][ T5606] gfs2_get_tree+0x54/0x1b4 [ 72.737357][ T5606] vfs_get_tree+0x90/0x274 [ 72.738123][ T5606] do_new_mount+0x228/0x810 [ 72.738843][ T5606] path_mount+0x5bc/0x1008 [ 72.739538][ T5606] __arm64_sys_mount+0x514/0x5f0 [ 72.740387][ T5606] invoke_syscall+0x98/0x2b0 [ 72.741170][ T5606] el0_svc_common+0x138/0x258 [ 72.741965][ T5606] do_el0_svc+0x58/0x13c [ 72.742639][ T5606] el0_svc+0x78/0x1d0 [ 72.743327][ T5606] el0t_64_sync_handler+0xcc/0xe4 [ 72.744134][ T5606] el0t_64_sync+0x1a0/0x1a4 [ 72.751740][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.752993][ T5603] CPU: 1 PID: 5603 Comm: syz.4.48 Not tainted syzkaller #0 [ 72.754151][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.755766][ T5603] Call trace: [ 72.756292][ T5603] dump_backtrace+0x0/0x458 [ 72.757040][ T5603] show_stack+0x2c/0x3c [ 72.757744][ T5603] __dump_stack+0x30/0x40 [ 72.758461][ T5603] dump_stack_lvl+0xf4/0x15c [ 72.759269][ T5603] dump_stack+0x1c/0x5c [ 72.759947][ T5603] sysfs_create_dir_ns+0x244/0x264 [ 72.760778][ T5603] kobject_add_internal+0x5ac/0xc3c [ 72.761652][ T5603] kobject_init_and_add+0x124/0x190 [ 72.762539][ T5603] gfs2_sys_fs_add+0x200/0x41c [ 72.763312][ T5603] gfs2_fill_super+0xddc/0x1a18 [ 72.764152][ T5603] get_tree_bdev+0x358/0x544 [ 72.765002][ T5603] gfs2_get_tree+0x54/0x1b4 [ 72.765773][ T5603] vfs_get_tree+0x90/0x274 [ 72.766495][ T5603] do_new_mount+0x228/0x810 [ 72.767245][ T5603] path_mount+0x5bc/0x1008 [ 72.767993][ T5603] __arm64_sys_mount+0x514/0x5f0 [ 72.768865][ T5603] invoke_syscall+0x98/0x2b0 [ 72.769650][ T5603] el0_svc_common+0x138/0x258 [ 72.770420][ T5603] do_el0_svc+0x58/0x13c [ 72.771145][ T5603] el0_svc+0x78/0x1d0 [ 72.771830][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 72.772664][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 72.777549][ T5606] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.785748][ T5606] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.809766][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.811830][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.872290][ T5610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.873560][ T5610] CPU: 1 PID: 5610 Comm: syz.1.51 Not tainted syzkaller #0 [ 72.874703][ T5610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.876387][ T5610] Call trace: [ 72.876892][ T5610] dump_backtrace+0x0/0x458 [ 72.877619][ T5610] show_stack+0x2c/0x3c [ 72.878338][ T5610] __dump_stack+0x30/0x40 [ 72.879081][ T5610] dump_stack_lvl+0xf4/0x15c [ 72.879870][ T5610] dump_stack+0x1c/0x5c [ 72.880578][ T5610] sysfs_create_dir_ns+0x244/0x264 [ 72.881355][ T5610] kobject_add_internal+0x5ac/0xc3c [ 72.882229][ T5610] kobject_init_and_add+0x124/0x190 [ 72.883081][ T5610] gfs2_sys_fs_add+0x200/0x41c [ 72.883823][ T5610] gfs2_fill_super+0xddc/0x1a18 [ 72.884529][ T5610] get_tree_bdev+0x358/0x544 [ 72.885193][ T5610] gfs2_get_tree+0x54/0x1b4 [ 72.885983][ T5610] vfs_get_tree+0x90/0x274 [ 72.886693][ T5610] do_new_mount+0x228/0x810 [ 72.887456][ T5610] path_mount+0x5bc/0x1008 [ 72.888128][ T5610] __arm64_sys_mount+0x514/0x5f0 [ 72.888846][ T5610] invoke_syscall+0x98/0x2b0 [ 72.889544][ T5610] el0_svc_common+0x138/0x258 [ 72.890333][ T5610] do_el0_svc+0x58/0x13c [ 72.891019][ T5610] el0_svc+0x78/0x1d0 [ 72.891592][ T5610] el0t_64_sync_handler+0xcc/0xe4 [ 72.892346][ T5610] el0t_64_sync+0x1a0/0x1a4 [ 72.900463][ T5608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.901691][ T5608] CPU: 1 PID: 5608 Comm: syz.2.50 Not tainted syzkaller #0 [ 72.902851][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 72.904377][ T5608] Call trace: [ 72.904846][ T5608] dump_backtrace+0x0/0x458 [ 72.905515][ T5608] show_stack+0x2c/0x3c [ 72.906163][ T5608] __dump_stack+0x30/0x40 [ 72.906910][ T5608] dump_stack_lvl+0xf4/0x15c [ 72.907658][ T5608] dump_stack+0x1c/0x5c [ 72.908313][ T5608] sysfs_create_dir_ns+0x244/0x264 [ 72.909116][ T5608] kobject_add_internal+0x5ac/0xc3c [ 72.909961][ T5608] kobject_init_and_add+0x124/0x190 [ 72.910810][ T5608] gfs2_sys_fs_add+0x200/0x41c [ 72.911596][ T5608] gfs2_fill_super+0xddc/0x1a18 [ 72.912434][ T5608] get_tree_bdev+0x358/0x544 [ 72.913167][ T5608] gfs2_get_tree+0x54/0x1b4 [ 72.913863][ T5608] vfs_get_tree+0x90/0x274 [ 72.914644][ T5608] do_new_mount+0x228/0x810 [ 72.915448][ T5608] path_mount+0x5bc/0x1008 [ 72.916173][ T5608] __arm64_sys_mount+0x514/0x5f0 [ 72.917004][ T5608] invoke_syscall+0x98/0x2b0 [ 72.917790][ T5608] el0_svc_common+0x138/0x258 [ 72.918539][ T5608] do_el0_svc+0x58/0x13c [ 72.919195][ T5608] el0_svc+0x78/0x1d0 [ 72.919827][ T5608] el0t_64_sync_handler+0xcc/0xe4 [ 72.920569][ T5608] el0t_64_sync+0x1a0/0x1a4 [ 72.940663][ T5610] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.942680][ T5610] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.963813][ T5608] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.965901][ T5608] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.060632][ T5606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.061897][ T5606] CPU: 1 PID: 5606 Comm: syz.0.49 Not tainted syzkaller #0 [ 73.063050][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.064651][ T5606] Call trace: [ 73.065183][ T5606] dump_backtrace+0x0/0x458 [ 73.065911][ T5606] show_stack+0x2c/0x3c [ 73.066555][ T5606] __dump_stack+0x30/0x40 [ 73.067242][ T5606] dump_stack_lvl+0xf4/0x15c [ 73.068030][ T5606] dump_stack+0x1c/0x5c [ 73.068708][ T5606] sysfs_create_dir_ns+0x244/0x264 [ 73.069536][ T5606] kobject_add_internal+0x5ac/0xc3c [ 73.070384][ T5606] kobject_init_and_add+0x124/0x190 [ 73.071197][ T5606] gfs2_sys_fs_add+0x200/0x41c [ 73.071966][ T5606] gfs2_fill_super+0xddc/0x1a18 [ 73.072737][ T5606] get_tree_bdev+0x358/0x544 [ 73.073553][ T5606] gfs2_get_tree+0x54/0x1b4 [ 73.074324][ T5606] vfs_get_tree+0x90/0x274 [ 73.075095][ T5606] do_new_mount+0x228/0x810 [ 73.075794][ T5606] path_mount+0x5bc/0x1008 [ 73.076527][ T5606] __arm64_sys_mount+0x514/0x5f0 [ 73.077387][ T5606] invoke_syscall+0x98/0x2b0 [ 73.078196][ T5606] el0_svc_common+0x138/0x258 [ 73.078937][ T5606] do_el0_svc+0x58/0x13c [ 73.079627][ T5606] el0_svc+0x78/0x1d0 [ 73.080329][ T5606] el0t_64_sync_handler+0xcc/0xe4 [ 73.081269][ T5606] el0t_64_sync+0x1a0/0x1a4 [ 73.090892][ T5612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.092182][ T5612] CPU: 0 PID: 5612 Comm: syz.4.52 Not tainted syzkaller #0 [ 73.093369][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.094969][ T5612] Call trace: [ 73.095488][ T5612] dump_backtrace+0x0/0x458 [ 73.096181][ T5612] show_stack+0x2c/0x3c [ 73.096845][ T5612] __dump_stack+0x30/0x40 [ 73.097584][ T5612] dump_stack_lvl+0xf4/0x15c [ 73.098327][ T5612] dump_stack+0x1c/0x5c [ 73.099021][ T5612] sysfs_create_dir_ns+0x244/0x264 [ 73.099892][ T5612] kobject_add_internal+0x5ac/0xc3c [ 73.100753][ T5612] kobject_init_and_add+0x124/0x190 [ 73.101651][ T5612] gfs2_sys_fs_add+0x200/0x41c [ 73.102414][ T5612] gfs2_fill_super+0xddc/0x1a18 [ 73.103192][ T5612] get_tree_bdev+0x358/0x544 [ 73.103872][ T5612] gfs2_get_tree+0x54/0x1b4 [ 73.104569][ T5612] vfs_get_tree+0x90/0x274 [ 73.105310][ T5612] do_new_mount+0x228/0x810 [ 73.105998][ T5612] path_mount+0x5bc/0x1008 [ 73.106686][ T5612] __arm64_sys_mount+0x514/0x5f0 [ 73.107498][ T5612] invoke_syscall+0x98/0x2b0 [ 73.108227][ T5612] el0_svc_common+0x138/0x258 [ 73.108981][ T5612] do_el0_svc+0x58/0x13c [ 73.109740][ T5612] el0_svc+0x78/0x1d0 [ 73.110422][ T5612] el0t_64_sync_handler+0xcc/0xe4 [ 73.111253][ T5612] el0t_64_sync+0x1a0/0x1a4 [ 73.134765][ T5606] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.137044][ T5606] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.149173][ T5612] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.151233][ T5612] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.171543][ T5610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.172729][ T5610] CPU: 1 PID: 5610 Comm: syz.1.51 Not tainted syzkaller #0 [ 73.173747][ T5610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.175434][ T5610] Call trace: [ 73.175969][ T5610] dump_backtrace+0x0/0x458 [ 73.176701][ T5610] show_stack+0x2c/0x3c [ 73.177347][ T5610] __dump_stack+0x30/0x40 [ 73.178017][ T5610] dump_stack_lvl+0xf4/0x15c [ 73.178717][ T5610] dump_stack+0x1c/0x5c [ 73.179377][ T5610] sysfs_create_dir_ns+0x244/0x264 [ 73.180214][ T5610] kobject_add_internal+0x5ac/0xc3c [ 73.181109][ T5610] kobject_init_and_add+0x124/0x190 [ 73.182006][ T5610] gfs2_sys_fs_add+0x200/0x41c [ 73.182753][ T5610] gfs2_fill_super+0xddc/0x1a18 [ 73.183507][ T5610] get_tree_bdev+0x358/0x544 [ 73.184241][ T5610] gfs2_get_tree+0x54/0x1b4 [ 73.184993][ T5610] vfs_get_tree+0x90/0x274 [ 73.185717][ T5610] do_new_mount+0x228/0x810 [ 73.186468][ T5610] path_mount+0x5bc/0x1008 [ 73.187186][ T5610] __arm64_sys_mount+0x514/0x5f0 [ 73.188024][ T5610] invoke_syscall+0x98/0x2b0 [ 73.188809][ T5610] el0_svc_common+0x138/0x258 [ 73.189628][ T5610] do_el0_svc+0x58/0x13c [ 73.190286][ T5610] el0_svc+0x78/0x1d0 [ 73.190957][ T5610] el0t_64_sync_handler+0xcc/0xe4 [ 73.191797][ T5610] el0t_64_sync+0x1a0/0x1a4 [ 73.200894][ T5608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.202127][ T5608] CPU: 1 PID: 5608 Comm: syz.2.50 Not tainted syzkaller #0 [ 73.203303][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.204882][ T5608] Call trace: [ 73.205412][ T5608] dump_backtrace+0x0/0x458 [ 73.206160][ T5608] show_stack+0x2c/0x3c [ 73.206834][ T5608] __dump_stack+0x30/0x40 [ 73.207485][ T5608] dump_stack_lvl+0xf4/0x15c [ 73.208203][ T5608] dump_stack+0x1c/0x5c [ 73.208905][ T5608] sysfs_create_dir_ns+0x244/0x264 [ 73.209759][ T5608] kobject_add_internal+0x5ac/0xc3c [ 73.210578][ T5608] kobject_init_and_add+0x124/0x190 [ 73.211437][ T5608] gfs2_sys_fs_add+0x200/0x41c [ 73.212207][ T5608] gfs2_fill_super+0xddc/0x1a18 [ 73.213019][ T5608] get_tree_bdev+0x358/0x544 [ 73.213824][ T5608] gfs2_get_tree+0x54/0x1b4 [ 73.214554][ T5608] vfs_get_tree+0x90/0x274 [ 73.215289][ T5608] do_new_mount+0x228/0x810 [ 73.216085][ T5608] path_mount+0x5bc/0x1008 [ 73.216764][ T5608] __arm64_sys_mount+0x514/0x5f0 [ 73.217557][ T5608] invoke_syscall+0x98/0x2b0 [ 73.218294][ T5608] el0_svc_common+0x138/0x258 [ 73.219092][ T5608] do_el0_svc+0x58/0x13c [ 73.219841][ T5608] el0_svc+0x78/0x1d0 [ 73.220522][ T5608] el0t_64_sync_handler+0xcc/0xe4 [ 73.221333][ T5608] el0t_64_sync+0x1a0/0x1a4 [ 73.237472][ T5610] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.239788][ T5610] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.250114][ T5608] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.252235][ T5608] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.404295][ T5614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.405501][ T5614] CPU: 1 PID: 5614 Comm: syz.0.53 Not tainted syzkaller #0 [ 73.406638][ T5614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.408315][ T5614] Call trace: [ 73.408916][ T5614] dump_backtrace+0x0/0x458 [ 73.409693][ T5614] show_stack+0x2c/0x3c [ 73.410387][ T5614] __dump_stack+0x30/0x40 [ 73.411123][ T5614] dump_stack_lvl+0xf4/0x15c [ 73.411960][ T5614] dump_stack+0x1c/0x5c [ 73.412657][ T5614] sysfs_create_dir_ns+0x244/0x264 [ 73.413523][ T5614] kobject_add_internal+0x5ac/0xc3c [ 73.414437][ T5614] kobject_init_and_add+0x124/0x190 [ 73.415300][ T5614] gfs2_sys_fs_add+0x200/0x41c [ 73.416133][ T5614] gfs2_fill_super+0xddc/0x1a18 [ 73.416952][ T5614] get_tree_bdev+0x358/0x544 [ 73.417746][ T5614] gfs2_get_tree+0x54/0x1b4 [ 73.418482][ T5614] vfs_get_tree+0x90/0x274 [ 73.419172][ T5614] do_new_mount+0x228/0x810 [ 73.419898][ T5614] path_mount+0x5bc/0x1008 [ 73.420596][ T5614] __arm64_sys_mount+0x514/0x5f0 [ 73.421414][ T5614] invoke_syscall+0x98/0x2b0 [ 73.422144][ T5614] el0_svc_common+0x138/0x258 [ 73.422858][ T5614] do_el0_svc+0x58/0x13c [ 73.423515][ T5614] el0_svc+0x78/0x1d0 [ 73.424142][ T5614] el0t_64_sync_handler+0xcc/0xe4 [ 73.424982][ T5614] el0t_64_sync+0x1a0/0x1a4 [ 73.428222][ T5612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.429556][ T5612] CPU: 0 PID: 5612 Comm: syz.4.52 Not tainted syzkaller #0 [ 73.430775][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.432415][ T5612] Call trace: [ 73.432899][ T5612] dump_backtrace+0x0/0x458 [ 73.433676][ T5612] show_stack+0x2c/0x3c [ 73.434390][ T5612] __dump_stack+0x30/0x40 [ 73.435087][ T5612] dump_stack_lvl+0xf4/0x15c [ 73.435887][ T5612] dump_stack+0x1c/0x5c [ 73.436563][ T5612] sysfs_create_dir_ns+0x244/0x264 [ 73.437349][ T5612] kobject_add_internal+0x5ac/0xc3c [ 73.438116][ T5612] kobject_init_and_add+0x124/0x190 [ 73.438916][ T5612] gfs2_sys_fs_add+0x200/0x41c [ 73.439707][ T5612] gfs2_fill_super+0xddc/0x1a18 [ 73.440525][ T5612] get_tree_bdev+0x358/0x544 [ 73.441268][ T5612] gfs2_get_tree+0x54/0x1b4 [ 73.441997][ T5612] vfs_get_tree+0x90/0x274 [ 73.442712][ T5612] do_new_mount+0x228/0x810 [ 73.443478][ T5612] path_mount+0x5bc/0x1008 [ 73.444212][ T5612] __arm64_sys_mount+0x514/0x5f0 [ 73.445115][ T5612] invoke_syscall+0x98/0x2b0 [ 73.445907][ T5612] el0_svc_common+0x138/0x258 [ 73.446751][ T5612] do_el0_svc+0x58/0x13c [ 73.447489][ T5612] el0_svc+0x78/0x1d0 [ 73.448159][ T5612] el0t_64_sync_handler+0xcc/0xe4 [ 73.449036][ T5612] el0t_64_sync+0x1a0/0x1a4 [ 73.450287][ T5614] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.452411][ T5614] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.489216][ T5612] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.491367][ T5612] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.552447][ T5616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.553679][ T5616] CPU: 1 PID: 5616 Comm: syz.2.55 Not tainted syzkaller #0 [ 73.554843][ T5616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.556502][ T5616] Call trace: [ 73.557006][ T5616] dump_backtrace+0x0/0x458 [ 73.557727][ T5616] show_stack+0x2c/0x3c [ 73.558450][ T5616] __dump_stack+0x30/0x40 [ 73.559177][ T5616] dump_stack_lvl+0xf4/0x15c [ 73.559905][ T5616] dump_stack+0x1c/0x5c [ 73.560527][ T5616] sysfs_create_dir_ns+0x244/0x264 [ 73.561273][ T5618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.561421][ T5616] kobject_add_internal+0x5ac/0xc3c [ 73.563487][ T5616] kobject_init_and_add+0x124/0x190 [ 73.564316][ T5616] gfs2_sys_fs_add+0x200/0x41c [ 73.565115][ T5616] gfs2_fill_super+0xddc/0x1a18 [ 73.565889][ T5616] get_tree_bdev+0x358/0x544 [ 73.566659][ T5616] gfs2_get_tree+0x54/0x1b4 [ 73.567413][ T5616] vfs_get_tree+0x90/0x274 [ 73.568128][ T5616] do_new_mount+0x228/0x810 [ 73.568830][ T5616] path_mount+0x5bc/0x1008 [ 73.569483][ T5616] __arm64_sys_mount+0x514/0x5f0 [ 73.570309][ T5616] invoke_syscall+0x98/0x2b0 [ 73.571114][ T5616] el0_svc_common+0x138/0x258 [ 73.571926][ T5616] do_el0_svc+0x58/0x13c [ 73.572641][ T5616] el0_svc+0x78/0x1d0 [ 73.573305][ T5616] el0t_64_sync_handler+0xcc/0xe4 [ 73.574186][ T5616] el0t_64_sync+0x1a0/0x1a4 [ 73.575303][ T5618] CPU: 0 PID: 5618 Comm: syz.1.54 Not tainted syzkaller #0 [ 73.576469][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.577980][ T5618] Call trace: [ 73.578501][ T5618] dump_backtrace+0x0/0x458 [ 73.579252][ T5618] show_stack+0x2c/0x3c [ 73.579954][ T5618] __dump_stack+0x30/0x40 [ 73.580694][ T5618] dump_stack_lvl+0xf4/0x15c [ 73.581433][ T5618] dump_stack+0x1c/0x5c [ 73.582092][ T5618] sysfs_create_dir_ns+0x244/0x264 [ 73.582922][ T5618] kobject_add_internal+0x5ac/0xc3c [ 73.583780][ T5618] kobject_init_and_add+0x124/0x190 [ 73.584608][ T5618] gfs2_sys_fs_add+0x200/0x41c [ 73.585372][ T5618] gfs2_fill_super+0xddc/0x1a18 [ 73.586123][ T5618] get_tree_bdev+0x358/0x544 [ 73.586877][ T5618] gfs2_get_tree+0x54/0x1b4 [ 73.587650][ T5618] vfs_get_tree+0x90/0x274 [ 73.588378][ T5618] do_new_mount+0x228/0x810 [ 73.589071][ T5618] path_mount+0x5bc/0x1008 [ 73.589776][ T5618] __arm64_sys_mount+0x514/0x5f0 [ 73.590557][ T5618] invoke_syscall+0x98/0x2b0 [ 73.591303][ T5618] el0_svc_common+0x138/0x258 [ 73.592063][ T5618] do_el0_svc+0x58/0x13c [ 73.592706][ T5618] el0_svc+0x78/0x1d0 [ 73.593339][ T5618] el0t_64_sync_handler+0xcc/0xe4 [ 73.594143][ T5618] el0t_64_sync+0x1a0/0x1a4 [ 73.618865][ T5616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.621001][ T5616] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.622892][ T5618] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.625094][ T5618] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.713997][ T5614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.715162][ T5614] CPU: 0 PID: 5614 Comm: syz.0.53 Not tainted syzkaller #0 [ 73.716206][ T5614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.717895][ T5614] Call trace: [ 73.718461][ T5614] dump_backtrace+0x0/0x458 [ 73.719242][ T5614] show_stack+0x2c/0x3c [ 73.719891][ T5614] __dump_stack+0x30/0x40 [ 73.720628][ T5614] dump_stack_lvl+0xf4/0x15c [ 73.721344][ T5614] dump_stack+0x1c/0x5c [ 73.722025][ T5614] sysfs_create_dir_ns+0x244/0x264 [ 73.722905][ T5614] kobject_add_internal+0x5ac/0xc3c [ 73.723709][ T5614] kobject_init_and_add+0x124/0x190 [ 73.724538][ T5614] gfs2_sys_fs_add+0x200/0x41c [ 73.725318][ T5614] gfs2_fill_super+0xddc/0x1a18 [ 73.726134][ T5614] get_tree_bdev+0x358/0x544 [ 73.726952][ T5614] gfs2_get_tree+0x54/0x1b4 [ 73.727678][ T5614] vfs_get_tree+0x90/0x274 [ 73.728396][ T5614] do_new_mount+0x228/0x810 [ 73.729103][ T5614] path_mount+0x5bc/0x1008 [ 73.729787][ T5614] __arm64_sys_mount+0x514/0x5f0 [ 73.730540][ T5614] invoke_syscall+0x98/0x2b0 [ 73.731343][ T5614] el0_svc_common+0x138/0x258 [ 73.732146][ T5614] do_el0_svc+0x58/0x13c [ 73.732846][ T5614] el0_svc+0x78/0x1d0 [ 73.733532][ T5614] el0t_64_sync_handler+0xcc/0xe4 [ 73.734438][ T5614] el0t_64_sync+0x1a0/0x1a4 [ 73.765898][ T5614] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.768092][ T5614] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.776160][ T5620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.777359][ T5620] CPU: 1 PID: 5620 Comm: syz.4.56 Not tainted syzkaller #0 [ 73.778544][ T5620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.780135][ T5620] Call trace: [ 73.780674][ T5620] dump_backtrace+0x0/0x458 [ 73.781442][ T5620] show_stack+0x2c/0x3c [ 73.782118][ T5620] __dump_stack+0x30/0x40 [ 73.782859][ T5620] dump_stack_lvl+0xf4/0x15c [ 73.783624][ T5620] dump_stack+0x1c/0x5c [ 73.784380][ T5620] sysfs_create_dir_ns+0x244/0x264 [ 73.785345][ T5620] kobject_add_internal+0x5ac/0xc3c [ 73.786211][ T5620] kobject_init_and_add+0x124/0x190 [ 73.787036][ T5620] gfs2_sys_fs_add+0x200/0x41c [ 73.787741][ T5620] gfs2_fill_super+0xddc/0x1a18 [ 73.788476][ T5620] get_tree_bdev+0x358/0x544 [ 73.789169][ T5620] gfs2_get_tree+0x54/0x1b4 [ 73.789870][ T5620] vfs_get_tree+0x90/0x274 [ 73.790584][ T5620] do_new_mount+0x228/0x810 [ 73.791312][ T5620] path_mount+0x5bc/0x1008 [ 73.792037][ T5620] __arm64_sys_mount+0x514/0x5f0 [ 73.792840][ T5620] invoke_syscall+0x98/0x2b0 [ 73.793540][ T5620] el0_svc_common+0x138/0x258 [ 73.794371][ T5620] do_el0_svc+0x58/0x13c [ 73.795089][ T5620] el0_svc+0x78/0x1d0 [ 73.795750][ T5620] el0t_64_sync_handler+0xcc/0xe4 [ 73.796607][ T5620] el0t_64_sync+0x1a0/0x1a4 [ 73.828838][ T5620] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.831197][ T5620] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.852640][ T5618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.853807][ T5618] CPU: 0 PID: 5618 Comm: syz.1.54 Not tainted syzkaller #0 [ 73.854902][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.856515][ T5618] Call trace: [ 73.857054][ T5618] dump_backtrace+0x0/0x458 [ 73.857742][ T5618] show_stack+0x2c/0x3c [ 73.858422][ T5618] __dump_stack+0x30/0x40 [ 73.859137][ T5618] dump_stack_lvl+0xf4/0x15c [ 73.859849][ T5618] dump_stack+0x1c/0x5c [ 73.860587][ T5618] sysfs_create_dir_ns+0x244/0x264 [ 73.861422][ T5618] kobject_add_internal+0x5ac/0xc3c [ 73.862327][ T5618] kobject_init_and_add+0x124/0x190 [ 73.863166][ T5618] gfs2_sys_fs_add+0x200/0x41c [ 73.863940][ T5618] gfs2_fill_super+0xddc/0x1a18 [ 73.864696][ T5618] get_tree_bdev+0x358/0x544 [ 73.865420][ T5618] gfs2_get_tree+0x54/0x1b4 [ 73.866136][ T5618] vfs_get_tree+0x90/0x274 [ 73.866873][ T5618] do_new_mount+0x228/0x810 [ 73.867675][ T5618] path_mount+0x5bc/0x1008 [ 73.868397][ T5618] __arm64_sys_mount+0x514/0x5f0 [ 73.869115][ T5618] invoke_syscall+0x98/0x2b0 [ 73.869817][ T5618] el0_svc_common+0x138/0x258 [ 73.870599][ T5618] do_el0_svc+0x58/0x13c [ 73.871245][ T5618] el0_svc+0x78/0x1d0 [ 73.871822][ T5618] el0t_64_sync_handler+0xcc/0xe4 [ 73.872610][ T5618] el0t_64_sync+0x1a0/0x1a4 [ 73.898844][ T5618] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.901044][ T5618] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.901095][ T5616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.903365][ T5616] CPU: 1 PID: 5616 Comm: syz.2.55 Not tainted syzkaller #0 [ 73.904410][ T5616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.906070][ T5616] Call trace: [ 73.906657][ T5616] dump_backtrace+0x0/0x458 [ 73.907392][ T5616] show_stack+0x2c/0x3c [ 73.908020][ T5616] __dump_stack+0x30/0x40 [ 73.908706][ T5616] dump_stack_lvl+0xf4/0x15c [ 73.909432][ T5616] dump_stack+0x1c/0x5c [ 73.910128][ T5616] sysfs_create_dir_ns+0x244/0x264 [ 73.911053][ T5616] kobject_add_internal+0x5ac/0xc3c [ 73.911944][ T5616] kobject_init_and_add+0x124/0x190 [ 73.912828][ T5616] gfs2_sys_fs_add+0x200/0x41c [ 73.913650][ T5616] gfs2_fill_super+0xddc/0x1a18 [ 73.914471][ T5616] get_tree_bdev+0x358/0x544 [ 73.915217][ T5616] gfs2_get_tree+0x54/0x1b4 [ 73.915934][ T5616] vfs_get_tree+0x90/0x274 [ 73.916694][ T5616] do_new_mount+0x228/0x810 [ 73.917425][ T5616] path_mount+0x5bc/0x1008 [ 73.918143][ T5616] __arm64_sys_mount+0x514/0x5f0 [ 73.918946][ T5616] invoke_syscall+0x98/0x2b0 [ 73.919663][ T5616] el0_svc_common+0x138/0x258 [ 73.920441][ T5616] do_el0_svc+0x58/0x13c [ 73.921126][ T5616] el0_svc+0x78/0x1d0 [ 73.921872][ T5616] el0t_64_sync_handler+0xcc/0xe4 [ 73.922696][ T5616] el0t_64_sync+0x1a0/0x1a4 [ 73.964087][ T5616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.966347][ T5616] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.025175][ T5622] set_capacity_and_notify: 45 callbacks suppressed [ 74.025187][ T5622] loop0: detected capacity change from 0 to 32768 [ 74.070284][ T5620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.071569][ T5620] CPU: 1 PID: 5620 Comm: syz.4.56 Not tainted syzkaller #0 [ 74.072721][ T5620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.074276][ T5620] Call trace: [ 74.074811][ T5620] dump_backtrace+0x0/0x458 [ 74.075640][ T5620] show_stack+0x2c/0x3c [ 74.076300][ T5620] __dump_stack+0x30/0x40 [ 74.077038][ T5620] dump_stack_lvl+0xf4/0x15c [ 74.077726][ T5620] dump_stack+0x1c/0x5c [ 74.078414][ T5620] sysfs_create_dir_ns+0x244/0x264 [ 74.079321][ T5620] kobject_add_internal+0x5ac/0xc3c [ 74.080203][ T5620] kobject_init_and_add+0x124/0x190 [ 74.081087][ T5620] gfs2_sys_fs_add+0x200/0x41c [ 74.081891][ T5620] gfs2_fill_super+0xddc/0x1a18 [ 74.082702][ T5620] get_tree_bdev+0x358/0x544 [ 74.083531][ T5620] gfs2_get_tree+0x54/0x1b4 [ 74.084248][ T5620] vfs_get_tree+0x90/0x274 [ 74.085024][ T5620] do_new_mount+0x228/0x810 [ 74.085746][ T5620] path_mount+0x5bc/0x1008 [ 74.086543][ T5620] __arm64_sys_mount+0x514/0x5f0 [ 74.087302][ T5620] invoke_syscall+0x98/0x2b0 [ 74.087999][ T5620] el0_svc_common+0x138/0x258 [ 74.088786][ T5620] do_el0_svc+0x58/0x13c [ 74.089472][ T5620] el0_svc+0x78/0x1d0 [ 74.090107][ T5620] el0t_64_sync_handler+0xcc/0xe4 [ 74.090848][ T5620] el0t_64_sync+0x1a0/0x1a4 [ 74.094091][ T5622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.095233][ T5622] CPU: 0 PID: 5622 Comm: syz.0.57 Not tainted syzkaller #0 [ 74.096418][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.098097][ T5622] Call trace: [ 74.098646][ T5622] dump_backtrace+0x0/0x458 [ 74.099348][ T5622] show_stack+0x2c/0x3c [ 74.100060][ T5622] __dump_stack+0x30/0x40 [ 74.100816][ T5622] dump_stack_lvl+0xf4/0x15c [ 74.101552][ T5622] dump_stack+0x1c/0x5c [ 74.102189][ T5622] sysfs_create_dir_ns+0x244/0x264 [ 74.103064][ T5622] kobject_add_internal+0x5ac/0xc3c [ 74.103939][ T5622] kobject_init_and_add+0x124/0x190 [ 74.104831][ T5622] gfs2_sys_fs_add+0x200/0x41c [ 74.105643][ T5622] gfs2_fill_super+0xddc/0x1a18 [ 74.106462][ T5622] get_tree_bdev+0x358/0x544 [ 74.107172][ T5622] gfs2_get_tree+0x54/0x1b4 [ 74.107932][ T5622] vfs_get_tree+0x90/0x274 [ 74.108617][ T5622] do_new_mount+0x228/0x810 [ 74.109374][ T5622] path_mount+0x5bc/0x1008 [ 74.110109][ T5622] __arm64_sys_mount+0x514/0x5f0 [ 74.110940][ T5622] invoke_syscall+0x98/0x2b0 [ 74.111673][ T5622] el0_svc_common+0x138/0x258 [ 74.112473][ T5622] do_el0_svc+0x58/0x13c [ 74.113108][ T5622] el0_svc+0x78/0x1d0 [ 74.113742][ T5622] el0t_64_sync_handler+0xcc/0xe4 [ 74.114528][ T5622] el0t_64_sync+0x1a0/0x1a4 [ 74.120344][ T5620] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.122406][ T5620] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.146540][ T5622] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.148560][ T5622] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.162904][ T5624] loop1: detected capacity change from 0 to 32768 [ 74.171178][ T5624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.177935][ T5624] CPU: 0 PID: 5624 Comm: syz.1.58 Not tainted syzkaller #0 [ 74.179172][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.180804][ T5624] Call trace: [ 74.181361][ T5624] dump_backtrace+0x0/0x458 [ 74.182148][ T5624] show_stack+0x2c/0x3c [ 74.182857][ T5624] __dump_stack+0x30/0x40 [ 74.183595][ T5624] dump_stack_lvl+0xf4/0x15c [ 74.184393][ T5624] dump_stack+0x1c/0x5c [ 74.185099][ T5624] sysfs_create_dir_ns+0x244/0x264 [ 74.185919][ T5624] kobject_add_internal+0x5ac/0xc3c [ 74.186730][ T5624] kobject_init_and_add+0x124/0x190 [ 74.187520][ T5624] gfs2_sys_fs_add+0x200/0x41c [ 74.188295][ T5624] gfs2_fill_super+0xddc/0x1a18 [ 74.189106][ T5624] get_tree_bdev+0x358/0x544 [ 74.189892][ T5624] gfs2_get_tree+0x54/0x1b4 [ 74.190663][ T5624] vfs_get_tree+0x90/0x274 [ 74.191408][ T5624] do_new_mount+0x228/0x810 [ 74.192156][ T5624] path_mount+0x5bc/0x1008 [ 74.192885][ T5624] __arm64_sys_mount+0x514/0x5f0 [ 74.193657][ T5624] invoke_syscall+0x98/0x2b0 [ 74.194409][ T5624] el0_svc_common+0x138/0x258 [ 74.195168][ T5624] do_el0_svc+0x58/0x13c [ 74.195795][ T5624] el0_svc+0x78/0x1d0 [ 74.196446][ T5624] el0t_64_sync_handler+0xcc/0xe4 [ 74.197289][ T5624] el0t_64_sync+0x1a0/0x1a4 [ 74.259752][ T5624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.261811][ T5624] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.363428][ T5626] loop2: detected capacity change from 0 to 32768 [ 74.371341][ T5626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.372589][ T5626] CPU: 1 PID: 5626 Comm: syz.2.59 Not tainted syzkaller #0 [ 74.373721][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.375219][ T5626] Call trace: [ 74.375700][ T5626] dump_backtrace+0x0/0x458 [ 74.376365][ T5626] show_stack+0x2c/0x3c [ 74.377044][ T5626] __dump_stack+0x30/0x40 [ 74.377702][ T5626] dump_stack_lvl+0xf4/0x15c [ 74.378465][ T5628] loop4: detected capacity change from 0 to 32768 [ 74.378517][ T5626] dump_stack+0x1c/0x5c [ 74.380175][ T5626] sysfs_create_dir_ns+0x244/0x264 [ 74.381049][ T5626] kobject_add_internal+0x5ac/0xc3c [ 74.382066][ T5626] kobject_init_and_add+0x124/0x190 [ 74.382945][ T5626] gfs2_sys_fs_add+0x200/0x41c [ 74.383761][ T5626] gfs2_fill_super+0xddc/0x1a18 [ 74.384594][ T5626] get_tree_bdev+0x358/0x544 [ 74.385353][ T5626] gfs2_get_tree+0x54/0x1b4 [ 74.386073][ T5626] vfs_get_tree+0x90/0x274 [ 74.386810][ T5626] do_new_mount+0x228/0x810 [ 74.387551][ T5626] path_mount+0x5bc/0x1008 [ 74.388248][ T5626] __arm64_sys_mount+0x514/0x5f0 [ 74.389073][ T5626] invoke_syscall+0x98/0x2b0 [ 74.389782][ T5626] el0_svc_common+0x138/0x258 [ 74.390562][ T5626] do_el0_svc+0x58/0x13c [ 74.391238][ T5626] el0_svc+0x78/0x1d0 [ 74.391848][ T5626] el0t_64_sync_handler+0xcc/0xe4 [ 74.392609][ T5626] el0t_64_sync+0x1a0/0x1a4 [ 74.396779][ T5622] loop0: detected capacity change from 0 to 32768 [ 74.423999][ T5626] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.426099][ T5626] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.445390][ T5622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.446596][ T5622] CPU: 0 PID: 5622 Comm: syz.0.57 Not tainted syzkaller #0 [ 74.447779][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.449407][ T5622] Call trace: [ 74.449920][ T5622] dump_backtrace+0x0/0x458 [ 74.450620][ T5622] show_stack+0x2c/0x3c [ 74.451295][ T5622] __dump_stack+0x30/0x40 [ 74.451958][ T5622] dump_stack_lvl+0xf4/0x15c [ 74.452631][ T5622] dump_stack+0x1c/0x5c [ 74.453335][ T5622] sysfs_create_dir_ns+0x244/0x264 [ 74.454203][ T5622] kobject_add_internal+0x5ac/0xc3c [ 74.455094][ T5622] kobject_init_and_add+0x124/0x190 [ 74.455978][ T5622] gfs2_sys_fs_add+0x200/0x41c [ 74.456712][ T5622] gfs2_fill_super+0xddc/0x1a18 [ 74.457674][ T5622] get_tree_bdev+0x358/0x544 [ 74.458503][ T5622] gfs2_get_tree+0x54/0x1b4 [ 74.459259][ T5622] vfs_get_tree+0x90/0x274 [ 74.460020][ T5622] do_new_mount+0x228/0x810 [ 74.460753][ T5622] path_mount+0x5bc/0x1008 [ 74.461486][ T5622] __arm64_sys_mount+0x514/0x5f0 [ 74.462366][ T5622] invoke_syscall+0x98/0x2b0 [ 74.463119][ T5622] el0_svc_common+0x138/0x258 [ 74.463891][ T5622] do_el0_svc+0x58/0x13c [ 74.464574][ T5622] el0_svc+0x78/0x1d0 [ 74.465317][ T5622] el0t_64_sync_handler+0xcc/0xe4 [ 74.466203][ T5622] el0t_64_sync+0x1a0/0x1a4 [ 74.467716][ T5628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.468928][ T5628] CPU: 0 PID: 5628 Comm: syz.4.60 Not tainted syzkaller #0 [ 74.470115][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.471786][ T5628] Call trace: [ 74.472332][ T5628] dump_backtrace+0x0/0x458 [ 74.473032][ T5628] show_stack+0x2c/0x3c [ 74.473697][ T5628] __dump_stack+0x30/0x40 [ 74.474433][ T5628] dump_stack_lvl+0xf4/0x15c [ 74.475194][ T5628] dump_stack+0x1c/0x5c [ 74.475838][ T5628] sysfs_create_dir_ns+0x244/0x264 [ 74.476638][ T5628] kobject_add_internal+0x5ac/0xc3c [ 74.477481][ T5628] kobject_init_and_add+0x124/0x190 [ 74.478317][ T5628] gfs2_sys_fs_add+0x200/0x41c [ 74.479147][ T5628] gfs2_fill_super+0xddc/0x1a18 [ 74.479958][ T5628] get_tree_bdev+0x358/0x544 [ 74.480743][ T5628] gfs2_get_tree+0x54/0x1b4 [ 74.481465][ T5628] vfs_get_tree+0x90/0x274 [ 74.482151][ T5628] do_new_mount+0x228/0x810 [ 74.482925][ T5628] path_mount+0x5bc/0x1008 [ 74.483597][ T5628] __arm64_sys_mount+0x514/0x5f0 [ 74.484438][ T5628] invoke_syscall+0x98/0x2b0 [ 74.485214][ T5628] el0_svc_common+0x138/0x258 [ 74.485978][ T5628] do_el0_svc+0x58/0x13c [ 74.486777][ T5628] el0_svc+0x78/0x1d0 [ 74.487476][ T5628] el0t_64_sync_handler+0xcc/0xe4 [ 74.488388][ T5628] el0t_64_sync+0x1a0/0x1a4 [ 74.508897][ T5628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.510909][ T5628] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.512257][ T5622] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.514388][ T5622] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.543864][ T5624] loop1: detected capacity change from 0 to 32768