[ 49.651706][ T148] team0 (unregistering): Port device team_slave_1 removed [ 49.655492][ T148] team0 (unregistering): Port device team_slave_0 removed [ 49.659265][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.686460][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.776421][ T148] bond0 (unregistering): Released all slaves [ 49.909024][ T148] team0 (unregistering): Port device team_slave_1 removed [ 49.912815][ T148] team0 (unregistering): Port device team_slave_0 removed [ 49.916254][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.946006][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.076247][ T148] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.4' (ED25519) to the list of known hosts. 1970/01/01 00:00:59 parsed 1 programs [ 60.571978][ T4692] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 63.047327][ T4740] chnl_net:caif_netlink_parms(): no params data found [ 63.116393][ T4740] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.120666][ T4740] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.122306][ T4740] device bridge_slave_0 entered promiscuous mode [ 63.124384][ T4740] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.125606][ T4740] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.127181][ T4740] device bridge_slave_1 entered promiscuous mode [ 63.154962][ T4740] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.157491][ T4740] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.263746][ T4740] team0: Port device team_slave_0 added [ 63.284319][ T4740] team0: Port device team_slave_1 added [ 63.299791][ T349] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.301137][ T349] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.312843][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.351956][ T4740] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.354367][ T4740] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.358349][ T4740] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.393164][ T349] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.394483][ T349] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.398027][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.400394][ T4740] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.401585][ T4740] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.415443][ T4740] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.523899][ T4740] device hsr_slave_0 entered promiscuous mode [ 63.552316][ T4740] device hsr_slave_1 entered promiscuous mode [ 64.211358][ T4740] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.254047][ T4740] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.293323][ T4740] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.315191][ T4740] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.400197][ T4740] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.406222][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.407691][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.410640][ T4740] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.414141][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.415708][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.417197][ T809] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.418365][ T809] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.419837][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.427442][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.428979][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.430441][ T556] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.431527][ T556] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.436353][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.439429][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.441824][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.444844][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.447540][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.451615][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.453504][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.455067][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.456706][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.459617][ T4740] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.461513][ T4740] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.476689][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.478695][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.530817][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.532440][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.535724][ T4740] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.541405][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.543299][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.549804][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.551357][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.554035][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.555507][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.559430][ T4740] device veth0_vlan entered promiscuous mode [ 64.563444][ T4740] device veth1_vlan entered promiscuous mode [ 64.570594][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.572347][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.573874][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.575356][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.578990][ T4740] device veth0_macvtap entered promiscuous mode [ 64.581355][ T4740] device veth1_macvtap entered promiscuous mode [ 64.587689][ T4740] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.588924][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.590592][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.591927][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.594424][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.597244][ T4740] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.599849][ T4740] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.601256][ T4740] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.604474][ T4740] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.605861][ T4740] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.608657][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.610223][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:04 executed programs: 0 [ 64.885387][ T4915] chnl_net:caif_netlink_parms(): no params data found [ 64.963735][ T4930] chnl_net:caif_netlink_parms(): no params data found [ 65.005553][ T4915] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.006717][ T4915] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.008216][ T4915] device bridge_slave_0 entered promiscuous mode [ 65.025783][ T4915] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.026986][ T4915] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.028671][ T4915] device bridge_slave_1 entered promiscuous mode [ 65.049730][ T4930] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.050971][ T4930] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.053122][ T4930] device bridge_slave_0 entered promiscuous mode [ 65.059491][ T4922] chnl_net:caif_netlink_parms(): no params data found [ 65.068745][ T4930] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.069813][ T4930] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.071329][ T4930] device bridge_slave_1 entered promiscuous mode [ 65.080369][ T4915] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.088332][ T4921] chnl_net:caif_netlink_parms(): no params data found [ 65.094984][ T4930] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.097594][ T4915] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.107384][ T4930] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.121877][ T4915] team0: Port device team_slave_0 added [ 65.147902][ T4915] team0: Port device team_slave_1 added [ 65.149223][ T4922] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.150521][ T4922] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.152641][ T4922] device bridge_slave_0 entered promiscuous mode [ 65.158169][ T4936] chnl_net:caif_netlink_parms(): no params data found [ 65.166410][ T4922] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.167561][ T4922] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.169180][ T4922] device bridge_slave_1 entered promiscuous mode [ 65.185865][ T4930] team0: Port device team_slave_0 added [ 65.190315][ T4915] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.191493][ T4915] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.196631][ T4915] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.209761][ T4921] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.215132][ T4921] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.216734][ T4921] device bridge_slave_0 entered promiscuous mode [ 65.223159][ T4930] team0: Port device team_slave_1 added [ 65.227165][ T4915] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.228259][ T4915] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.232814][ T4915] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.235930][ T4922] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.243901][ T4921] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.245118][ T4921] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.246664][ T4921] device bridge_slave_1 entered promiscuous mode [ 65.257542][ T4922] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.265118][ T4936] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.266349][ T4936] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.268029][ T4936] device bridge_slave_0 entered promiscuous mode [ 65.323452][ T4915] device hsr_slave_0 entered promiscuous mode [ 65.352418][ T4915] device hsr_slave_1 entered promiscuous mode [ 65.395825][ T4915] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.397089][ T4915] Cannot create hsr debugfs directory [ 65.402191][ T4930] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.403421][ 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. [ 65.407528][ T4930] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.411522][ T4922] team0: Port device team_slave_0 added [ 65.415726][ T4936] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.416975][ T4936] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.418515][ T4936] device bridge_slave_1 entered promiscuous mode [ 65.421201][ T4921] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.432019][ T4930] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.433604][ 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. [ 65.437685][ T4930] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.440270][ T4922] team0: Port device team_slave_1 added [ 65.448409][ T4921] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.451174][ T4936] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.474353][ T4936] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.481253][ T4922] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.482547][ T4922] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.486750][ T4922] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.503746][ T4936] team0: Port device team_slave_0 added [ 65.505150][ T4922] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.506223][ T4922] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.510538][ T4922] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.518182][ T4921] team0: Port device team_slave_0 added [ 65.529506][ T4936] team0: Port device team_slave_1 added [ 65.538026][ T4921] team0: Port device team_slave_1 added [ 65.593270][ T4930] device hsr_slave_0 entered promiscuous mode [ 65.632536][ T4930] device hsr_slave_1 entered promiscuous mode [ 65.672131][ T4930] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.673338][ T4930] Cannot create hsr debugfs directory [ 65.693070][ T4921] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.694174][ T4921] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.698252][ T4921] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.753695][ T4922] device hsr_slave_0 entered promiscuous mode [ 65.802332][ T4922] device hsr_slave_1 entered promiscuous mode [ 65.852422][ T4922] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.853651][ T4922] Cannot create hsr debugfs directory [ 65.855094][ T4936] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.856225][ T4936] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.860540][ T4936] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.864109][ T4921] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.865401][ T4921] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.869500][ T4921] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.882690][ T4915] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.898102][ T4936] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.899290][ T4936] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.903926][ T4936] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.963719][ T4921] device hsr_slave_0 entered promiscuous mode [ 66.012502][ T4921] device hsr_slave_1 entered promiscuous mode [ 66.032306][ T4921] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.033532][ T4921] Cannot create hsr debugfs directory [ 66.093367][ T4936] device hsr_slave_0 entered promiscuous mode [ 66.136291][ T4936] device hsr_slave_1 entered promiscuous mode [ 66.186127][ T4936] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.187346][ T4936] Cannot create hsr debugfs directory [ 66.742600][ T1541] Bluetooth: hci1: command 0x0409 tx timeout [ 66.822472][ T1541] Bluetooth: hci3: command 0x0409 tx timeout [ 66.823838][ T1541] Bluetooth: hci4: command 0x0409 tx timeout [ 66.824804][ T1541] Bluetooth: hci2: command 0x0409 tx timeout [ 66.902327][ T1541] Bluetooth: hci5: command 0x0409 tx timeout [ 68.534620][ T4915] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.822136][ T1541] Bluetooth: hci1: command 0x041b tx timeout [ 68.912899][ T1541] Bluetooth: hci2: command 0x041b tx timeout [ 68.913958][ T1541] Bluetooth: hci4: command 0x041b tx timeout [ 68.914980][ T1541] Bluetooth: hci3: command 0x041b tx timeout [ 68.982112][ T1541] Bluetooth: hci5: command 0x041b tx timeout [ 69.624681][ T1968] cfg80211: failed to load regulatory.db [ 69.626436][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.627482][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.725860][ T4915] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.776481][ T4915] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.902330][ T7] Bluetooth: hci1: command 0x040f tx timeout [ 70.926374][ T4915] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.983380][ T4915] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.992103][ T1541] Bluetooth: hci3: command 0x040f tx timeout [ 70.993484][ T1541] Bluetooth: hci4: command 0x040f tx timeout [ 70.994324][ T1541] Bluetooth: hci2: command 0x040f tx timeout [ 71.031342][ T4915] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.062191][ T1541] Bluetooth: hci5: command 0x040f tx timeout [ 71.079085][ T4915] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.166957][ T4930] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.205035][ T4930] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 71.246993][ T4930] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.294038][ T4930] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.375074][ T4915] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.380286][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.381970][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.390282][ T4915] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.396147][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.397698][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.399136][ T809] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.400314][ T809] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.409136][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.412871][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.414459][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.415972][ T556] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.417125][ T556] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.420022][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.444898][ T4930] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.454992][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.456560][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.461182][ T4930] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.467774][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.470120][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.472689][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.474513][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.478643][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.480361][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.488416][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.490242][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.491799][ T809] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.493011][ T809] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.497463][ T4915] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.499048][ T4915] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.504446][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.505908][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.507362][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.509342][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.510910][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.517021][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.520967][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.522685][ T809] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.523769][ T809] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.532631][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.534400][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.536047][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.537671][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.539729][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.541306][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.543731][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.545240][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.549241][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.575003][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.576659][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.578633][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.581962][ T4930] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.631977][ T4915] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.635888][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.637154][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.643812][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.645094][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.649365][ T4930] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.660395][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.662180][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.671990][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.673682][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.679012][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.680616][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.686667][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.690935][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.694530][ T4915] device veth0_vlan entered promiscuous mode [ 71.697637][ T4915] device veth1_vlan entered promiscuous mode [ 71.707294][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.710089][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.711681][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.713599][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.719316][ T4930] device veth0_vlan entered promiscuous mode [ 71.720704][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.722257][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.737754][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.739324][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.741064][ T4930] device veth1_vlan entered promiscuous mode [ 71.748068][ T4915] device veth0_macvtap entered promiscuous mode [ 71.767549][ T4921] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.794885][ T4915] device veth1_macvtap entered promiscuous mode [ 71.802710][ T4921] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 71.833651][ T4921] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 71.895879][ T4921] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 71.951884][ T4936] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.993599][ T4936] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.045204][ T4915] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 72.046993][ T4915] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.049326][ T4915] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.051894][ T4915] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 72.053683][ T4915] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.055701][ T4915] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.061420][ T4936] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.113043][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.114748][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.116273][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.117746][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.119204][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.120779][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.122559][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.124019][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.129030][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.130745][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.133811][ T4936] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.174902][ T4930] device veth0_macvtap entered promiscuous mode [ 72.183188][ T4915] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.184661][ T4915] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.186058][ T4915] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.187647][ T4915] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.210582][ T4930] device veth1_macvtap entered promiscuous mode [ 72.239237][ T4922] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.255208][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.256494][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.257770][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.260918][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.263509][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.277384][ T4922] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.313692][ T4922] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.369127][ T4921] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.373631][ T4922] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.420281][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.421671][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.432348][ T4930] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 72.434166][ T4930] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.435790][ T4930] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 72.437449][ T4930] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.440717][ T4930] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.446904][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 72.448424][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.451193][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.464488][ T4936] 8021q: adding VLAN 0 to HW filter on device bond0 1970/01/01 00:01:12 executed programs: 10 [ 72.475781][ T4930] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 72.477765][ T4930] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.479195][ T4930] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 72.481957][ T4930] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.485052][ T4930] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.493219][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.494938][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.496494][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.497990][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.516927][ T4921] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.519559][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.521042][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.528150][ T4930] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.529588][ T4930] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.531006][ T4930] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.533831][ T4930] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.543517][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.545228][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.546602][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.547779][ T349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.549742][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.552022][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.564815][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.566355][ T349] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.567441][ T349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.570409][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.574807][ T4936] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.588570][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.590383][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.591920][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.595684][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.596743][ T349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.601624][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.625744][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.627671][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.629468][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.643498][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.645188][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.646662][ T556] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.647814][ T556] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.667103][ T4922] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.668311][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.670110][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.671745][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.722661][ T5283] loop0: detected capacity change from 0 to 32768 [ 72.748831][ T4921] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.750473][ T4921] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.761895][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.764113][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.765669][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.767186][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.772876][ T349] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.774313][ T349] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.778056][ T5283] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 72.779298][ T5283] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 72.790923][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.792746][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.803622][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.809975][ T5283] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 72.839712][ T809] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.841040][ T809] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.845165][ T5283] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 72.846418][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.848409][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.850021][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.851506][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.854556][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 72.861731][ T4936] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.865080][ T4936] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.883247][ T4922] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.889144][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.890657][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.893045][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.894920][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.896559][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.898557][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.900342][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.910328][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.911916][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.916080][ T5303] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.917197][ T5303] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.918608][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.920104][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.922409][ T5303] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.923481][ T5303] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.924924][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.931884][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.982460][ T1541] Bluetooth: hci1: command 0x0419 tx timeout [ 72.990520][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.992458][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.995115][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.000476][ T4921] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.001830][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.062294][ T21] Bluetooth: hci2: command 0x0419 tx timeout [ 73.063542][ T21] Bluetooth: hci4: command 0x0419 tx timeout [ 73.064506][ T21] Bluetooth: hci3: command 0x0419 tx timeout [ 73.087356][ T148] device hsr_slave_0 left promiscuous mode [ 73.116789][ T148] device hsr_slave_1 left promiscuous mode [ 73.150383][ T21] Bluetooth: hci5: command 0x0419 tx timeout [ 73.202164][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 73.203524][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 73.205210][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 73.206376][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 73.207852][ T148] device bridge_slave_1 left promiscuous mode [ 73.208881][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.217299][ T5314] loop3: detected capacity change from 0 to 32768 [ 73.234089][ T148] device bridge_slave_0 left promiscuous mode [ 73.235081][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.254865][ T5314] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 73.256203][ T5314] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 73.277982][ T5314] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 73.330529][ T5314] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 73.382173][ T148] device veth1_macvtap left promiscuous mode [ 73.383097][ T148] device veth0_macvtap left promiscuous mode [ 73.384203][ T148] device veth1_vlan left promiscuous mode [ 73.385149][ T148] device veth0_vlan left promiscuous mode [ 73.419108][ T5319] loop0: detected capacity change from 0 to 32768 [ 73.430038][ T5319] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.431896][ T5319] CPU: 1 PID: 5319 Comm: syz.0.20 Not tainted syzkaller #0 [ 73.433104][ T5319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 73.434727][ T5319] Call trace: [ 73.435265][ T5319] dump_backtrace+0x0/0x458 [ 73.436049][ T5319] show_stack+0x2c/0x3c [ 73.436715][ T5319] __dump_stack+0x30/0x40 [ 73.437432][ T5319] dump_stack_lvl+0xf4/0x15c [ 73.438221][ T5319] dump_stack+0x1c/0x5c [ 73.438971][ T5319] sysfs_create_dir_ns+0x244/0x264 [ 73.439815][ T5319] kobject_add_internal+0x5ac/0xc3c [ 73.440664][ T5319] kobject_init_and_add+0x124/0x190 [ 73.441536][ T5319] gfs2_sys_fs_add+0x200/0x41c [ 73.442305][ T5319] gfs2_fill_super+0xddc/0x1a18 [ 73.443063][ T5319] get_tree_bdev+0x358/0x544 [ 73.443780][ T5319] gfs2_get_tree+0x54/0x1b4 [ 73.444480][ T5319] vfs_get_tree+0x90/0x274 [ 73.445185][ T5319] do_new_mount+0x228/0x810 [ 73.445842][ T5319] path_mount+0x5bc/0x1008 [ 73.446516][ T5319] __arm64_sys_mount+0x514/0x5f0 [ 73.447337][ T5319] invoke_syscall+0x98/0x2b0 [ 73.448162][ T5319] el0_svc_common+0x138/0x258 [ 73.448969][ T5319] do_el0_svc+0x58/0x13c [ 73.449658][ T5319] el0_svc+0x78/0x1d0 [ 73.450350][ T5319] el0t_64_sync_handler+0xcc/0xe4 [ 73.451172][ T5319] el0t_64_sync+0x1a0/0x1a4 [ 73.479746][ T5319] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.481978][ T5319] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.609846][ T148] team0 (unregistering): Port device team_slave_1 removed [ 73.642686][ T148] team0 (unregistering): Port device team_slave_0 removed [ 73.646887][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 73.698045][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 73.771216][ T5322] loop3: detected capacity change from 0 to 32768 [ 73.787199][ T5322] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 73.788380][ T5322] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 73.798281][ T5319] loop0: detected capacity change from 0 to 32768 [ 73.805205][ T5322] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 73.815918][ T148] bond0 (unregistering): Released all slaves [ 73.826901][ T5319] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.828119][ T5319] CPU: 1 PID: 5319 Comm: syz.0.20 Not tainted syzkaller #0 [ 73.829270][ T5319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 73.830904][ T5319] Call trace: [ 73.831390][ T5319] dump_backtrace+0x0/0x458 [ 73.832098][ T5319] show_stack+0x2c/0x3c [ 73.832692][ T5319] __dump_stack+0x30/0x40 [ 73.833346][ T5319] dump_stack_lvl+0xf4/0x15c [ 73.834059][ T5319] dump_stack+0x1c/0x5c [ 73.834717][ T5319] sysfs_create_dir_ns+0x244/0x264 [ 73.835558][ T5319] kobject_add_internal+0x5ac/0xc3c [ 73.836456][ T5319] kobject_init_and_add+0x124/0x190 [ 73.837384][ T5319] gfs2_sys_fs_add+0x200/0x41c [ 73.837755][ T5322] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 73.838174][ T5319] gfs2_fill_super+0xddc/0x1a18 [ 73.840219][ T5319] get_tree_bdev+0x358/0x544 [ 73.840959][ T5319] gfs2_get_tree+0x54/0x1b4 [ 73.841706][ T5319] vfs_get_tree+0x90/0x274 [ 73.842391][ T5319] do_new_mount+0x228/0x810 [ 73.843128][ T5319] path_mount+0x5bc/0x1008 [ 73.843856][ T5319] __arm64_sys_mount+0x514/0x5f0 [ 73.844734][ T5319] invoke_syscall+0x98/0x2b0 [ 73.845494][ T5319] el0_svc_common+0x138/0x258 [ 73.846292][ T5319] do_el0_svc+0x58/0x13c [ 73.847005][ T5319] el0_svc+0x78/0x1d0 [ 73.847660][ T5319] el0t_64_sync_handler+0xcc/0xe4 [ 73.848521][ T5319] el0t_64_sync+0x1a0/0x1a4 [ 73.868080][ T5319] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.870111][ T5319] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.946159][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.947902][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.949533][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.951136][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.955463][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.972351][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.985384][ T4922] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.987498][ T4922] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.004697][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.006277][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.008154][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.024462][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.026029][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.050655][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.056182][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.057895][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.059265][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.069267][ T4921] device veth0_vlan entered promiscuous mode [ 74.089173][ T4936] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.090804][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.091996][ T5303] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.109751][ T4921] device veth1_vlan entered promiscuous mode [ 74.140025][ T5337] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.141729][ T5337] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.147634][ T5337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.149302][ T5337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.158193][ T4921] device veth0_macvtap entered promiscuous mode [ 74.161125][ T4921] device veth1_macvtap entered promiscuous mode [ 74.189071][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.190735][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.192607][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.193922][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.223818][ T4922] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.261833][ T4921] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.264436][ T4921] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.265936][ T4921] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.267558][ T4921] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.286566][ T4921] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.288003][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.289723][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.291344][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.296978][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.298853][ T5324] loop0: detected capacity change from 0 to 32768 [ 74.304900][ T4922] device veth0_vlan entered promiscuous mode [ 74.308314][ T4922] device veth1_vlan entered promiscuous mode [ 74.312238][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.313821][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.315612][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.320589][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.323594][ T4921] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.325700][ T4921] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.327248][ T4921] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.328910][ T4921] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.331478][ T4921] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.344192][ T5324] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 74.345491][ T5324] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 74.362206][ T5324] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 74.370788][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.372507][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.374094][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.375749][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.377934][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.389330][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.403210][ T4921] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.404718][ T4921] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.406156][ T4921] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.407558][ T4921] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.424805][ T4922] device veth0_macvtap entered promiscuous mode [ 74.428163][ T5324] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 74.452987][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.454527][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.456087][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.462652][ T4922] device veth1_macvtap entered promiscuous mode [ 74.490245][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.491796][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.494161][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.495852][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.499969][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.521808][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.532199][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.533876][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.542885][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.544533][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.546429][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.567309][ T4922] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.570083][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.571690][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.575992][ T4936] device veth0_vlan entered promiscuous mode [ 74.607097][ T4936] device veth1_vlan entered promiscuous mode [ 74.609428][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.611217][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.614489][ T349] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.615764][ T349] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.632678][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.634449][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.636147][ T4922] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.637773][ T4922] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.663564][ T4922] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.683025][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.684565][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.686097][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.687543][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.689768][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.697435][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.701853][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.714072][ T809] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.715233][ T809] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.717117][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.720150][ T4922] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.721619][ T4922] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.732309][ T4922] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.733700][ T4922] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.739369][ T5358] loop3: detected capacity change from 0 to 32768 [ 74.748254][ T5358] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.749409][ T5358] CPU: 1 PID: 5358 Comm: syz.3.23 Not tainted syzkaller #0 [ 74.750527][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.752157][ T5358] Call trace: [ 74.752710][ T5358] dump_backtrace+0x0/0x458 [ 74.753528][ T5358] show_stack+0x2c/0x3c [ 74.754245][ T5358] __dump_stack+0x30/0x40 [ 74.754946][ T5358] dump_stack_lvl+0xf4/0x15c [ 74.755712][ T5358] dump_stack+0x1c/0x5c [ 74.756403][ T5358] sysfs_create_dir_ns+0x244/0x264 [ 74.757250][ T5358] kobject_add_internal+0x5ac/0xc3c [ 74.758070][ T5358] kobject_init_and_add+0x124/0x190 [ 74.758917][ T5358] gfs2_sys_fs_add+0x200/0x41c [ 74.759703][ T5358] gfs2_fill_super+0xddc/0x1a18 [ 74.760513][ T5358] get_tree_bdev+0x358/0x544 [ 74.761271][ T5358] gfs2_get_tree+0x54/0x1b4 [ 74.762004][ T5358] vfs_get_tree+0x90/0x274 [ 74.762715][ T5358] do_new_mount+0x228/0x810 [ 74.763457][ T5358] path_mount+0x5bc/0x1008 [ 74.764160][ T5358] __arm64_sys_mount+0x514/0x5f0 [ 74.764976][ T5358] invoke_syscall+0x98/0x2b0 [ 74.765696][ T5358] el0_svc_common+0x138/0x258 [ 74.766508][ T5358] do_el0_svc+0x58/0x13c [ 74.767169][ T5358] el0_svc+0x78/0x1d0 [ 74.767836][ T5358] el0t_64_sync_handler+0xcc/0xe4 [ 74.768674][ T5358] el0t_64_sync+0x1a0/0x1a4 [ 74.797324][ T4936] device veth0_macvtap entered promiscuous mode [ 74.821253][ T5358] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.831361][ T5358] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.904411][ T4936] device veth1_macvtap entered promiscuous mode [ 74.909339][ T4936] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.911080][ T4936] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.939718][ T4936] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.941549][ T4936] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.946841][ T4936] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.948721][ T4936] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.950387][ T4936] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.962248][ T4936] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.965017][ T4936] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.073675][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.075347][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.076810][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.086059][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.088825][ T4936] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 75.090595][ T4936] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.092830][ T4936] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 75.094447][ T4936] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.096092][ T4936] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 75.097792][ T4936] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.099432][ T4936] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 75.101121][ T4936] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.107159][ T5358] loop3: detected capacity change from 0 to 32768 [ 75.107236][ T5379] loop1: detected capacity change from 0 to 32768 [ 75.122649][ T4936] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.128883][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.130532][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.136922][ T5358] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 75.140197][ T4936] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.141488][ T4936] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.148878][ T5379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.150078][ T5379] CPU: 0 PID: 5379 Comm: syz.1.16 Not tainted syzkaller #0 [ 75.150761][ T5358] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 75.151271][ T5379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.153639][ T4936] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.154216][ T5379] Call trace: [ 75.155536][ T4936] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.156070][ T5379] dump_backtrace+0x0/0x458 [ 75.158223][ T5379] show_stack+0x2c/0x3c [ 75.158932][ T5379] __dump_stack+0x30/0x40 [ 75.159669][ T5379] dump_stack_lvl+0xf4/0x15c [ 75.160444][ T5379] dump_stack+0x1c/0x5c [ 75.160864][ T5358] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 75.161166][ T5379] sysfs_create_dir_ns+0x244/0x264 [ 75.163187][ T5379] kobject_add_internal+0x5ac/0xc3c [ 75.164003][ T5379] kobject_init_and_add+0x124/0x190 [ 75.164874][ T5379] gfs2_sys_fs_add+0x200/0x41c [ 75.165710][ T5379] gfs2_fill_super+0xddc/0x1a18 [ 75.166560][ T5379] get_tree_bdev+0x358/0x544 [ 75.167331][ T5379] gfs2_get_tree+0x54/0x1b4 [ 75.168062][ T5379] vfs_get_tree+0x90/0x274 [ 75.168784][ T5379] do_new_mount+0x228/0x810 [ 75.169477][ T5379] path_mount+0x5bc/0x1008 [ 75.169582][ T4171] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 75.170232][ T5379] __arm64_sys_mount+0x514/0x5f0 [ 75.171263][ T4171] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 75.172037][ T5379] invoke_syscall+0x98/0x2b0 [ 75.172052][ T5379] el0_svc_common+0x138/0x258 [ 75.172059][ T5379] do_el0_svc+0x58/0x13c [ 75.172065][ T5379] el0_svc+0x78/0x1d0 [ 75.172070][ T5379] el0t_64_sync_handler+0xcc/0xe4 [ 75.172076][ T5379] el0t_64_sync+0x1a0/0x1a4 [ 75.221781][ T4171] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 50ms [ 75.231786][ T4171] gfs2: fsid=syz:syz.0: jid=0: Done [ 75.234497][ T5358] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 75.252713][ T556] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.254144][ T556] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.256101][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.282594][ T5379] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.295459][ T5379] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.345030][ T5358] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 75.357762][ T234] [ 75.358172][ T234] ====================================================== [ 75.359321][ T234] WARNING: possible circular locking dependency detected [ 75.360495][ T234] syzkaller #0 Not tainted [ 75.361211][ T234] ------------------------------------------------------ [ 75.362355][ T234] kworker/1:1H/234 is trying to acquire lock: [ 75.363394][ T234] ffff0000ec88e0e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x36c [ 75.364817][ T234] [ 75.364817][ T234] but task is already holding lock: [ 75.366015][ T234] ffff80001cfd7c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 75.368036][ T234] [ 75.368036][ T234] which lock already depends on the new lock. [ 75.368036][ T234] [ 75.369718][ T234] [ 75.369718][ T234] the existing dependency chain (in reverse order) is: [ 75.371152][ T234] [ 75.371152][ T234] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 75.372921][ T234] process_one_work+0x6e0/0x1138 [ 75.373806][ T234] worker_thread+0x8f4/0x1034 [ 75.374618][ T234] kthread+0x374/0x454 [ 75.375336][ T234] ret_from_fork+0x10/0x20 [ 75.376116][ T234] [ 75.376116][ T234] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 75.377547][ T234] flush_workqueue+0x130/0x104c [ 75.378418][ T234] gfs2_gl_hash_clear+0xb0/0x2cc [ 75.379330][ T234] gfs2_put_super+0x614/0x6b4 [ 75.380175][ T234] generic_shutdown_super+0x130/0x2f0 [ 75.381171][ T234] kill_block_super+0x70/0xdc [ 75.382085][ T234] gfs2_kill_sb+0xc0/0xd4 [ 75.382895][ T234] deactivate_locked_super+0xb8/0x134 [ 75.383962][ T234] deactivate_super+0xf0/0x110 [ 75.384914][ T234] cleanup_mnt+0x3b8/0x46c [ 75.385715][ T234] __cleanup_mnt+0x20/0x30 [ 75.386536][ T234] task_work_run+0x12c/0x1d8 [ 75.387377][ T234] do_notify_resume+0x2450/0x309c [ 75.388319][ T234] el0_svc+0xf0/0x1d0 [ 75.389036][ T234] el0t_64_sync_handler+0xcc/0xe4 [ 75.389977][ T234] el0t_64_sync+0x1a0/0x1a4 [ 75.390854][ T234] [ 75.390854][ T234] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 75.392244][ T234] __lock_acquire+0x2870/0x67ec [ 75.393128][ T234] lock_acquire+0x1f4/0x618 [ 75.393990][ T234] down_write+0xbc/0x12c [ 75.394794][ T234] freeze_super+0x54/0x36c [ 75.395618][ T234] freeze_go_sync+0x128/0x31c [ 75.396461][ T234] do_xmote+0x2ec/0xf58 [ 75.397226][ T234] run_queue+0x3fc/0x698 [ 75.397994][ T234] glock_work_func+0x208/0x440 [ 75.398836][ T234] process_one_work+0x79c/0x1138 [ 75.399708][ T234] worker_thread+0x8f4/0x1034 [ 75.400514][ T234] kthread+0x374/0x454 [ 75.401240][ T234] ret_from_fork+0x10/0x20 [ 75.402002][ T234] [ 75.402002][ T234] other info that might help us debug this: [ 75.402002][ T234] [ 75.403615][ T234] Chain exists of: [ 75.403615][ T234] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 75.403615][ T234] [ 75.404860][ T5383] loop0: detected capacity change from 0 to 32768 [ 75.406400][ T234] Possible unsafe locking scenario: [ 75.406400][ T234] [ 75.406405][ T234] CPU0 CPU1 [ 75.409595][ T234] ---- ---- [ 75.410471][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 75.411608][ T234] lock((wq_completion)glock_workqueue); [ 75.412976][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 75.414542][ T234] lock(&type->s_umount_key#50); [ 75.415432][ T234] [ 75.415432][ T234] *** DEADLOCK *** [ 75.415432][ T234] [ 75.416806][ T234] 2 locks held by kworker/1:1H/234: [ 75.417693][ T234] #0: ffff0000c67efd38 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1138 [ 75.419669][ T234] #1: ffff80001cfd7c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 75.421718][ T234] [ 75.421718][ T234] stack backtrace: [ 75.422690][ T234] CPU: 1 PID: 234 Comm: kworker/1:1H Not tainted syzkaller #0 [ 75.423945][ T234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.425569][ T234] Workqueue: glock_workqueue glock_work_func [ 75.426312][ T349] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.426666][ T234] Call trace: [ 75.427975][ T349] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.428539][ T234] dump_backtrace+0x0/0x458 [ 75.430111][ T809] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.430562][ T234] show_stack+0x2c/0x3c [ 75.432419][ T234] __dump_stack+0x30/0x40 [ 75.433133][ T234] dump_stack_lvl+0xf4/0x15c [ 75.433962][ T234] dump_stack+0x1c/0x5c [ 75.434698][ T234] print_circular_bug+0x148/0x1b0 [ 75.435544][ T234] check_noncircular+0x264/0x2f8 [ 75.436331][ T234] __lock_acquire+0x2870/0x67ec [ 75.437158][ T234] lock_acquire+0x1f4/0x618 [ 75.437911][ T234] down_write+0xbc/0x12c [ 75.438622][ T234] freeze_super+0x54/0x36c [ 75.439320][ T234] freeze_go_sync+0x128/0x31c [ 75.439348][ T4936] ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' [ 75.440044][ T234] do_xmote+0x2ec/0xf58 [ 75.440059][ T234] run_queue+0x3fc/0x698 [ 75.442612][ T234] glock_work_func+0x208/0x440 [ 75.443328][ T234] process_one_work+0x79c/0x1138 [ 75.444131][ T234] worker_thread+0x8f4/0x1034 [ 75.444931][ T234] kthread+0x374/0x454 [ 75.445697][ T234] ret_from_fork+0x10/0x20 [ 75.462274][ T5383] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.463546][ T5383] CPU: 0 PID: 5383 Comm: syz.0.24 Not tainted syzkaller #0 [ 75.464800][ T5383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.466489][ T5383] Call trace: [ 75.467029][ T5383] dump_backtrace+0x0/0x458 [ 75.467802][ T5383] show_stack+0x2c/0x3c [ 75.468545][ T5383] __dump_stack+0x30/0x40 [ 75.469284][ T5383] dump_stack_lvl+0xf4/0x15c [ 75.470042][ T5383] dump_stack+0x1c/0x5c [ 75.470770][ T5383] sysfs_create_dir_ns+0x244/0x264 [ 75.471645][ T5383] kobject_add_internal+0x5ac/0xc3c [ 75.472585][ T5383] kobject_init_and_add+0x124/0x190 [ 75.473501][ T5383] gfs2_sys_fs_add+0x200/0x41c [ 75.474349][ T5383] gfs2_fill_super+0xddc/0x1a18 [ 75.475170][ T5383] get_tree_bdev+0x358/0x544 [ 75.476011][ T5383] gfs2_get_tree+0x54/0x1b4 [ 75.476780][ T5383] vfs_get_tree+0x90/0x274 [ 75.477600][ T5383] do_new_mount+0x228/0x810 [ 75.478334][ T5383] path_mount+0x5bc/0x1008 [ 75.479096][ T5383] __arm64_sys_mount+0x514/0x5f0 [ 75.479890][ T5383] invoke_syscall+0x98/0x2b0 [ 75.480721][ T5383] el0_svc_common+0x138/0x258 [ 75.481577][ T5383] do_el0_svc+0x58/0x13c [ 75.482327][ T5383] el0_svc+0x78/0x1d0 [ 75.482969][ T5383] el0t_64_sync_handler+0xcc/0xe4 [ 75.483815][ T5383] el0t_64_sync+0x1a0/0x1a4 [ 75.516339][ T5383] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.518577][ T5383] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.555890][ T349] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.557497][ T4936] ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' [ 75.567482][ T349] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.589205][ T556] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.608480][ T556] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.609868][ T556] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.611248][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.764642][ T5383] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.765863][ T5383] CPU: 1 PID: 5383 Comm: syz.0.24 Not tainted syzkaller #0 [ 75.767126][ T5383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.768850][ T5383] Call trace: [ 75.769348][ T5383] dump_backtrace+0x0/0x458 [ 75.770130][ T5383] show_stack+0x2c/0x3c [ 75.770825][ T5383] __dump_stack+0x30/0x40 [ 75.771525][ T5383] dump_stack_lvl+0xf4/0x15c [ 75.772252][ T5383] dump_stack+0x1c/0x5c [ 75.772934][ T5383] sysfs_create_dir_ns+0x244/0x264 [ 75.773813][ T5383] kobject_add_internal+0x5ac/0xc3c [ 75.774739][ T5383] kobject_init_and_add+0x124/0x190 [ 75.775569][ T5383] gfs2_sys_fs_add+0x200/0x41c [ 75.776399][ T5383] gfs2_fill_super+0xddc/0x1a18 [ 75.777208][ T5383] get_tree_bdev+0x358/0x544 [ 75.778041][ T5383] gfs2_get_tree+0x54/0x1b4 [ 75.778834][ T5383] vfs_get_tree+0x90/0x274 [ 75.779564][ T5383] do_new_mount+0x228/0x810 [ 75.780271][ T5383] path_mount+0x5bc/0x1008 [ 75.781027][ T5383] __arm64_sys_mount+0x514/0x5f0 [ 75.781905][ T5383] invoke_syscall+0x98/0x2b0 [ 75.782700][ T5383] el0_svc_common+0x138/0x258 [ 75.783533][ T5383] do_el0_svc+0x58/0x13c [ 75.784237][ T5383] el0_svc+0x78/0x1d0 [ 75.784875][ T5383] el0t_64_sync_handler+0xcc/0xe4 [ 75.785744][ T5383] el0t_64_sync+0x1a0/0x1a4 [ 75.836530][ T5383] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.838966][ T5383] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.920342][ T5379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.921598][ T5379] CPU: 1 PID: 5379 Comm: syz.1.16 Not tainted syzkaller #0 [ 75.922807][ T5379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.924556][ T5379] Call trace: [ 75.925088][ T5379] dump_backtrace+0x0/0x458 [ 75.925860][ T5379] show_stack+0x2c/0x3c [ 75.926524][ T5379] __dump_stack+0x30/0x40 [ 75.927319][ T5379] dump_stack_lvl+0xf4/0x15c [ 75.928132][ T5379] dump_stack+0x1c/0x5c [ 75.928830][ T5379] sysfs_create_dir_ns+0x244/0x264 [ 75.929646][ T5379] kobject_add_internal+0x5ac/0xc3c [ 75.930548][ T5379] kobject_init_and_add+0x124/0x190 [ 75.931419][ T5379] gfs2_sys_fs_add+0x200/0x41c [ 75.932135][ T5379] gfs2_fill_super+0xddc/0x1a18 [ 75.932880][ T5379] get_tree_bdev+0x358/0x544 [ 75.933590][ T5379] gfs2_get_tree+0x54/0x1b4 [ 75.934261][ T5379] vfs_get_tree+0x90/0x274 [ 75.934923][ T5379] do_new_mount+0x228/0x810 [ 75.935619][ T5379] path_mount+0x5bc/0x1008 [ 75.936302][ T5379] __arm64_sys_mount+0x514/0x5f0 [ 75.937050][ T5379] invoke_syscall+0x98/0x2b0 [ 75.937739][ T5379] el0_svc_common+0x138/0x258 [ 75.938473][ T5379] do_el0_svc+0x58/0x13c [ 75.939099][ T5379] el0_svc+0x78/0x1d0 [ 75.939694][ T5379] el0t_64_sync_handler+0xcc/0xe4 [ 75.940439][ T5379] el0t_64_sync+0x1a0/0x1a4 [ 75.970015][ T5379] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.973630][ T5379] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.993120][ T5409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.994331][ T5409] CPU: 0 PID: 5409 Comm: syz.4.19 Not tainted syzkaller #0 [ 75.995632][ T5409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.997454][ T5409] Call trace: [ 75.997985][ T5409] dump_backtrace+0x0/0x458 [ 75.998739][ T5409] show_stack+0x2c/0x3c [ 75.999458][ T5409] __dump_stack+0x30/0x40 [ 76.000219][ T5409] dump_stack_lvl+0xf4/0x15c [ 76.001033][ T5409] dump_stack+0x1c/0x5c [ 76.001763][ T5409] sysfs_create_dir_ns+0x244/0x264 [ 76.002609][ T5409] kobject_add_internal+0x5ac/0xc3c [ 76.003480][ T5409] kobject_init_and_add+0x124/0x190 [ 76.004302][ T5409] gfs2_sys_fs_add+0x200/0x41c [ 76.005059][ T5409] gfs2_fill_super+0xddc/0x1a18 [ 76.005859][ T5409] get_tree_bdev+0x358/0x544 [ 76.006635][ T5409] gfs2_get_tree+0x54/0x1b4 [ 76.007385][ T5409] vfs_get_tree+0x90/0x274 [ 76.008139][ T5409] do_new_mount+0x228/0x810 [ 76.008931][ T5409] path_mount+0x5bc/0x1008 [ 76.009639][ T5409] __arm64_sys_mount+0x514/0x5f0 [ 76.010399][ T5409] invoke_syscall+0x98/0x2b0 [ 76.011181][ T5409] el0_svc_common+0x138/0x258 [ 76.011920][ T5409] do_el0_svc+0x58/0x13c [ 76.012612][ T5409] el0_svc+0x78/0x1d0 [ 76.013318][ T5409] el0t_64_sync_handler+0xcc/0xe4 [ 76.014157][ T5409] el0t_64_sync+0x1a0/0x1a4 [ 76.019236][ T5409] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.021281][ T5409] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.026203][ T5403] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.027461][ T5403] CPU: 0 PID: 5403 Comm: syz.2.17 Not tainted syzkaller #0 [ 76.028672][ T5403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.030457][ T5403] Call trace: [ 76.031048][ T5403] dump_backtrace+0x0/0x458 [ 76.031797][ T5403] show_stack+0x2c/0x3c [ 76.032450][ T5403] __dump_stack+0x30/0x40 [ 76.033213][ T5403] dump_stack_lvl+0xf4/0x15c [ 76.033999][ T5403] dump_stack+0x1c/0x5c [ 76.034693][ T5403] sysfs_create_dir_ns+0x244/0x264 [ 76.035559][ T5403] kobject_add_internal+0x5ac/0xc3c [ 76.036417][ T5403] kobject_init_and_add+0x124/0x190 [ 76.037280][ T5403] gfs2_sys_fs_add+0x200/0x41c [ 76.038083][ T5403] gfs2_fill_super+0xddc/0x1a18 [ 76.038947][ T5403] get_tree_bdev+0x358/0x544 [ 76.039724][ T5403] gfs2_get_tree+0x54/0x1b4 [ 76.040498][ T5403] vfs_get_tree+0x90/0x274 [ 76.041267][ T5403] do_new_mount+0x228/0x810 [ 76.042009][ T5403] path_mount+0x5bc/0x1008 [ 76.042739][ T5403] __arm64_sys_mount+0x514/0x5f0 [ 76.043544][ T5403] invoke_syscall+0x98/0x2b0 [ 76.044309][ T5403] el0_svc_common+0x138/0x258 [ 76.045137][ T5403] do_el0_svc+0x58/0x13c [ 76.045872][ T5403] el0_svc+0x78/0x1d0 [ 76.046543][ T5403] el0t_64_sync_handler+0xcc/0xe4 [ 76.047358][ T5403] el0t_64_sync+0x1a0/0x1a4 [ 76.052572][ T5424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.053860][ T5424] CPU: 1 PID: 5424 Comm: syz.0.25 Not tainted syzkaller #0 [ 76.055005][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.056567][ T5424] Call trace: [ 76.057093][ T5424] dump_backtrace+0x0/0x458 [ 76.057801][ T5424] show_stack+0x2c/0x3c [ 76.058453][ T5424] __dump_stack+0x30/0x40 [ 76.059113][ T5424] dump_stack_lvl+0xf4/0x15c [ 76.059792][ T5424] dump_stack+0x1c/0x5c [ 76.060483][ T5424] sysfs_create_dir_ns+0x244/0x264 [ 76.061340][ T5424] kobject_add_internal+0x5ac/0xc3c [ 76.062186][ T5424] kobject_init_and_add+0x124/0x190 [ 76.063055][ T5424] gfs2_sys_fs_add+0x200/0x41c [ 76.063579][ T5403] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.063825][ T5424] gfs2_fill_super+0xddc/0x1a18 [ 76.066253][ T5403] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.067011][ T5424] get_tree_bdev+0x358/0x544 [ 76.068726][ T5424] gfs2_get_tree+0x54/0x1b4 [ 76.069490][ T5424] vfs_get_tree+0x90/0x274 [ 76.070273][ T5424] do_new_mount+0x228/0x810 [ 76.071053][ T5424] path_mount+0x5bc/0x1008 [ 76.071822][ T5424] __arm64_sys_mount+0x514/0x5f0 [ 76.072679][ T5424] invoke_syscall+0x98/0x2b0 [ 76.073444][ T5424] el0_svc_common+0x138/0x258 [ 76.074208][ T5424] do_el0_svc+0x58/0x13c [ 76.074923][ T5424] el0_svc+0x78/0x1d0 [ 76.075602][ T5424] el0t_64_sync_handler+0xcc/0xe4 [ 76.076443][ T5424] el0t_64_sync+0x1a0/0x1a4 [ 76.099691][ T5424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.122087][ T5424] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.282753][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.284109][ T5444] CPU: 0 PID: 5444 Comm: syz.1.26 Not tainted syzkaller #0 [ 76.285321][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.287036][ T5444] Call trace: [ 76.287570][ T5444] dump_backtrace+0x0/0x458 [ 76.288363][ T5444] show_stack+0x2c/0x3c [ 76.289057][ T5444] __dump_stack+0x30/0x40 [ 76.289819][ T5444] dump_stack_lvl+0xf4/0x15c [ 76.290608][ T5444] dump_stack+0x1c/0x5c [ 76.291286][ T5444] sysfs_create_dir_ns+0x244/0x264 [ 76.292144][ T5444] kobject_add_internal+0x5ac/0xc3c [ 76.293216][ T5444] kobject_init_and_add+0x124/0x190 [ 76.294086][ T5444] gfs2_sys_fs_add+0x200/0x41c [ 76.294891][ T5444] gfs2_fill_super+0xddc/0x1a18 [ 76.295710][ T5444] get_tree_bdev+0x358/0x544 [ 76.296454][ T5444] gfs2_get_tree+0x54/0x1b4 [ 76.297200][ T5444] vfs_get_tree+0x90/0x274 [ 76.297879][ T5444] do_new_mount+0x228/0x810 [ 76.298675][ T5444] path_mount+0x5bc/0x1008 [ 76.299437][ T5444] __arm64_sys_mount+0x514/0x5f0 [ 76.300359][ T5444] invoke_syscall+0x98/0x2b0 [ 76.301099][ T5444] el0_svc_common+0x138/0x258 [ 76.301873][ T5444] do_el0_svc+0x58/0x13c [ 76.302548][ T5444] el0_svc+0x78/0x1d0 [ 76.303212][ T5444] el0t_64_sync_handler+0xcc/0xe4 [ 76.304067][ T5444] el0t_64_sync+0x1a0/0x1a4 [ 76.388530][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.390681][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.392747][ T5403] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.393968][ T5403] CPU: 1 PID: 5403 Comm: syz.2.17 Not tainted syzkaller #0 [ 76.395153][ T5403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.396792][ T5403] Call trace: [ 76.397293][ T5403] dump_backtrace+0x0/0x458 [ 76.398032][ T5403] show_stack+0x2c/0x3c [ 76.398741][ T5403] __dump_stack+0x30/0x40 [ 76.399438][ T5403] dump_stack_lvl+0xf4/0x15c [ 76.400160][ T5403] dump_stack+0x1c/0x5c [ 76.400820][ T5403] sysfs_create_dir_ns+0x244/0x264 [ 76.401706][ T5403] kobject_add_internal+0x5ac/0xc3c [ 76.402573][ T5403] kobject_init_and_add+0x124/0x190 [ 76.403416][ T5403] gfs2_sys_fs_add+0x200/0x41c [ 76.404231][ T5403] gfs2_fill_super+0xddc/0x1a18 [ 76.405063][ T5403] get_tree_bdev+0x358/0x544 [ 76.405776][ T5403] gfs2_get_tree+0x54/0x1b4 [ 76.406585][ T5403] vfs_get_tree+0x90/0x274 [ 76.407371][ T5403] do_new_mount+0x228/0x810 [ 76.408183][ T5403] path_mount+0x5bc/0x1008 [ 76.408881][ T5403] __arm64_sys_mount+0x514/0x5f0 [ 76.409657][ T5403] invoke_syscall+0x98/0x2b0 [ 76.410473][ T5403] el0_svc_common+0x138/0x258 [ 76.411286][ T5403] do_el0_svc+0x58/0x13c [ 76.412040][ T5403] el0_svc+0x78/0x1d0 [ 76.412739][ T5403] el0t_64_sync_handler+0xcc/0xe4 [ 76.413596][ T5403] el0t_64_sync+0x1a0/0x1a4 [ 76.421484][ T5403] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.424283][ T5403] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.465931][ T5424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.467157][ T5424] CPU: 1 PID: 5424 Comm: syz.0.25 Not tainted syzkaller #0 [ 76.468292][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.469909][ T5424] Call trace: [ 76.470410][ T5424] dump_backtrace+0x0/0x458 [ 76.471082][ T5424] show_stack+0x2c/0x3c [ 76.471759][ T5424] __dump_stack+0x30/0x40 [ 76.472464][ T5424] dump_stack_lvl+0xf4/0x15c [ 76.473143][ T5424] dump_stack+0x1c/0x5c [ 76.473765][ T5424] sysfs_create_dir_ns+0x244/0x264 [ 76.474599][ T5424] kobject_add_internal+0x5ac/0xc3c [ 76.475513][ T5424] kobject_init_and_add+0x124/0x190 [ 76.476390][ T5424] gfs2_sys_fs_add+0x200/0x41c [ 76.477173][ T5424] gfs2_fill_super+0xddc/0x1a18 [ 76.478045][ T5424] get_tree_bdev+0x358/0x544 [ 76.478865][ T5424] gfs2_get_tree+0x54/0x1b4 [ 76.479635][ T5424] vfs_get_tree+0x90/0x274 [ 76.480336][ T5424] do_new_mount+0x228/0x810 [ 76.481076][ T5424] path_mount+0x5bc/0x1008 [ 76.481811][ T5424] __arm64_sys_mount+0x514/0x5f0 [ 76.482653][ T5424] invoke_syscall+0x98/0x2b0 [ 76.483400][ T5424] el0_svc_common+0x138/0x258 [ 76.484152][ T5424] do_el0_svc+0x58/0x13c [ 76.484838][ T5424] el0_svc+0x78/0x1d0 [ 76.485483][ T5424] el0t_64_sync_handler+0xcc/0xe4 [ 76.486326][ T5424] el0t_64_sync+0x1a0/0x1a4 [ 76.531085][ T5424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.533796][ T5424] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.556915][ T5409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.558244][ T5409] CPU: 0 PID: 5409 Comm: syz.4.19 Not tainted syzkaller #0 [ 76.559387][ T5409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.560991][ T5409] Call trace: [ 76.561581][ T5409] dump_backtrace+0x0/0x458 [ 76.562414][ T5409] show_stack+0x2c/0x3c [ 76.563157][ T5409] __dump_stack+0x30/0x40 [ 76.563946][ T5409] dump_stack_lvl+0xf4/0x15c [ 76.564775][ T5409] dump_stack+0x1c/0x5c [ 76.565526][ T5409] sysfs_create_dir_ns+0x244/0x264 [ 76.566396][ T5409] kobject_add_internal+0x5ac/0xc3c [ 76.567261][ T5409] kobject_init_and_add+0x124/0x190 [ 76.568183][ T5409] gfs2_sys_fs_add+0x200/0x41c [ 76.568937][ T5409] gfs2_fill_super+0xddc/0x1a18 [ 76.569736][ T5409] get_tree_bdev+0x358/0x544 [ 76.570471][ T5409] gfs2_get_tree+0x54/0x1b4 [ 76.571225][ T5409] vfs_get_tree+0x90/0x274 [ 76.571995][ T5409] do_new_mount+0x228/0x810 [ 76.572802][ T5409] path_mount+0x5bc/0x1008 [ 76.573544][ T5409] __arm64_sys_mount+0x514/0x5f0 [ 76.574353][ T5409] invoke_syscall+0x98/0x2b0 [ 76.575140][ T5409] el0_svc_common+0x138/0x258 [ 76.575914][ T5409] do_el0_svc+0x58/0x13c [ 76.576609][ T5409] el0_svc+0x78/0x1d0 [ 76.577235][ T5409] el0t_64_sync_handler+0xcc/0xe4 [ 76.578066][ T5409] el0t_64_sync+0x1a0/0x1a4 [ 76.584794][ T5409] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.587009][ T5409] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.732219][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.733497][ T5444] CPU: 1 PID: 5444 Comm: syz.1.26 Not tainted syzkaller #0 [ 76.734734][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.736393][ T5444] Call trace: [ 76.736926][ T5444] dump_backtrace+0x0/0x458 [ 76.737683][ T5444] show_stack+0x2c/0x3c [ 76.738399][ T5444] __dump_stack+0x30/0x40 [ 76.739084][ T5444] dump_stack_lvl+0xf4/0x15c [ 76.739826][ T5444] dump_stack+0x1c/0x5c [ 76.740505][ T5444] sysfs_create_dir_ns+0x244/0x264 [ 76.741403][ T5444] kobject_add_internal+0x5ac/0xc3c [ 76.742187][ T5444] kobject_init_and_add+0x124/0x190 [ 76.743072][ T5444] gfs2_sys_fs_add+0x200/0x41c [ 76.743872][ T5444] gfs2_fill_super+0xddc/0x1a18 [ 76.744664][ T5444] get_tree_bdev+0x358/0x544 [ 76.745408][ T5444] gfs2_get_tree+0x54/0x1b4 [ 76.746192][ T5444] vfs_get_tree+0x90/0x274 [ 76.746950][ T5444] do_new_mount+0x228/0x810 [ 76.747733][ T5444] path_mount+0x5bc/0x1008 [ 76.748503][ T5444] __arm64_sys_mount+0x514/0x5f0 [ 76.749302][ T5444] invoke_syscall+0x98/0x2b0 [ 76.750078][ T5444] el0_svc_common+0x138/0x258 [ 76.750892][ T5444] do_el0_svc+0x58/0x13c [ 76.751625][ T5444] el0_svc+0x78/0x1d0 [ 76.752326][ T5444] el0t_64_sync_handler+0xcc/0xe4 [ 76.753205][ T5444] el0t_64_sync+0x1a0/0x1a4 [ 76.772577][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.774621][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.827628][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.828843][ T5461] CPU: 1 PID: 5461 Comm: syz.2.27 Not tainted syzkaller #0 [ 76.829970][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.831648][ T5461] Call trace: [ 76.832169][ T5461] dump_backtrace+0x0/0x458 [ 76.832897][ T5461] show_stack+0x2c/0x3c [ 76.833613][ T5461] __dump_stack+0x30/0x40 [ 76.834375][ T5461] dump_stack_lvl+0xf4/0x15c [ 76.835128][ T5461] dump_stack+0x1c/0x5c [ 76.835927][ T5461] sysfs_create_dir_ns+0x244/0x264 [ 76.836803][ T5461] kobject_add_internal+0x5ac/0xc3c [ 76.837682][ T5461] kobject_init_and_add+0x124/0x190 [ 76.838596][ T5461] gfs2_sys_fs_add+0x200/0x41c [ 76.839421][ T5461] gfs2_fill_super+0xddc/0x1a18 [ 76.840224][ T5461] get_tree_bdev+0x358/0x544 [ 76.840957][ T5461] gfs2_get_tree+0x54/0x1b4 [ 76.841663][ T5461] vfs_get_tree+0x90/0x274 [ 76.842357][ T5461] do_new_mount+0x228/0x810 [ 76.843076][ T5461] path_mount+0x5bc/0x1008 [ 76.843779][ T5461] __arm64_sys_mount+0x514/0x5f0 [ 76.844563][ T5461] invoke_syscall+0x98/0x2b0 [ 76.845295][ T5461] el0_svc_common+0x138/0x258 [ 76.846081][ T5461] do_el0_svc+0x58/0x13c [ 76.846790][ T5461] el0_svc+0x78/0x1d0 [ 76.847445][ T5461] el0t_64_sync_handler+0xcc/0xe4 [ 76.848241][ T5461] el0t_64_sync+0x1a0/0x1a4 [ 76.894166][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.903170][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.983100][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.984395][ T5473] CPU: 1 PID: 5473 Comm: syz.4.29 Not tainted syzkaller #0 [ 76.985577][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.987250][ T5473] Call trace: [ 76.987740][ T5473] dump_backtrace+0x0/0x458 [ 76.988469][ T5473] show_stack+0x2c/0x3c [ 76.989128][ T5473] __dump_stack+0x30/0x40 [ 76.989810][ T5473] dump_stack_lvl+0xf4/0x15c [ 76.990544][ T5473] dump_stack+0x1c/0x5c [ 76.991186][ T5473] sysfs_create_dir_ns+0x244/0x264 [ 76.991988][ T5473] kobject_add_internal+0x5ac/0xc3c [ 76.992901][ T5473] kobject_init_and_add+0x124/0x190 [ 76.993683][ T5470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.993765][ T5473] gfs2_sys_fs_add+0x200/0x41c [ 76.995706][ T5473] gfs2_fill_super+0xddc/0x1a18 [ 76.996546][ T5473] get_tree_bdev+0x358/0x544 [ 76.997327][ T5473] gfs2_get_tree+0x54/0x1b4 [ 76.998057][ T5473] vfs_get_tree+0x90/0x274 [ 76.998792][ T5473] do_new_mount+0x228/0x810 [ 76.999537][ T5473] path_mount+0x5bc/0x1008 [ 77.000254][ T5473] __arm64_sys_mount+0x514/0x5f0 [ 77.001027][ T5473] invoke_syscall+0x98/0x2b0 [ 77.001783][ T5473] el0_svc_common+0x138/0x258 [ 77.002587][ T5473] do_el0_svc+0x58/0x13c [ 77.003302][ T5473] el0_svc+0x78/0x1d0 [ 77.003975][ T5473] el0t_64_sync_handler+0xcc/0xe4 [ 77.004835][ T5473] el0t_64_sync+0x1a0/0x1a4 [ 77.012266][ T5470] CPU: 0 PID: 5470 Comm: syz.0.28 Not tainted syzkaller #0 [ 77.013401][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.015055][ T5470] Call trace: [ 77.015586][ T5470] dump_backtrace+0x0/0x458 [ 77.016391][ T5470] show_stack+0x2c/0x3c [ 77.017087][ T5470] __dump_stack+0x30/0x40 [ 77.017818][ T5470] dump_stack_lvl+0xf4/0x15c [ 77.018586][ T5470] dump_stack+0x1c/0x5c [ 77.019230][ T5470] sysfs_create_dir_ns+0x244/0x264 [ 77.020054][ T5470] kobject_add_internal+0x5ac/0xc3c [ 77.020904][ T5470] kobject_init_and_add+0x124/0x190 [ 77.021747][ T5470] gfs2_sys_fs_add+0x200/0x41c [ 77.022506][ T5470] gfs2_fill_super+0xddc/0x1a18 [ 77.023276][ T5470] get_tree_bdev+0x358/0x544 [ 77.024060][ T5470] gfs2_get_tree+0x54/0x1b4 [ 77.024803][ T5470] vfs_get_tree+0x90/0x274 [ 77.025496][ T5470] do_new_mount+0x228/0x810 [ 77.026138][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.026236][ T5470] path_mount+0x5bc/0x1008 [ 77.028684][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.029088][ T5470] __arm64_sys_mount+0x514/0x5f0 [ 77.030955][ T5470] invoke_syscall+0x98/0x2b0 [ 77.031716][ T5470] el0_svc_common+0x138/0x258 [ 77.032509][ T5470] do_el0_svc+0x58/0x13c [ 77.033217][ T5470] el0_svc+0x78/0x1d0 [ 77.033873][ T5470] el0t_64_sync_handler+0xcc/0xe4 [ 77.034734][ T5470] el0t_64_sync+0x1a0/0x1a4 [ 77.083341][ T5470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.085515][ T5470] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.108276][ T5490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.109496][ T5490] CPU: 0 PID: 5490 Comm: syz.1.30 Not tainted syzkaller #0 [ 77.110706][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.112514][ T5490] Call trace: [ 77.113054][ T5490] dump_backtrace+0x0/0x458 [ 77.113843][ T5490] show_stack+0x2c/0x3c [ 77.114519][ T5490] __dump_stack+0x30/0x40 [ 77.115310][ T5490] dump_stack_lvl+0xf4/0x15c [ 77.116091][ T5490] dump_stack+0x1c/0x5c [ 77.116865][ T5490] sysfs_create_dir_ns+0x244/0x264 [ 77.117767][ T5490] kobject_add_internal+0x5ac/0xc3c [ 77.118656][ T5490] kobject_init_and_add+0x124/0x190 [ 77.119578][ T5490] gfs2_sys_fs_add+0x200/0x41c [ 77.120400][ T5490] gfs2_fill_super+0xddc/0x1a18 [ 77.121233][ T5490] get_tree_bdev+0x358/0x544 [ 77.122045][ T5490] gfs2_get_tree+0x54/0x1b4 [ 77.122810][ T5490] vfs_get_tree+0x90/0x274 [ 77.123525][ T5490] do_new_mount+0x228/0x810 [ 77.124309][ T5490] path_mount+0x5bc/0x1008 [ 77.125005][ T5490] __arm64_sys_mount+0x514/0x5f0 [ 77.125884][ T5490] invoke_syscall+0x98/0x2b0 [ 77.126638][ T5490] el0_svc_common+0x138/0x258 [ 77.127483][ T5490] do_el0_svc+0x58/0x13c [ 77.128177][ T5490] el0_svc+0x78/0x1d0 [ 77.128847][ T5490] el0t_64_sync_handler+0xcc/0xe4 [ 77.129714][ T5490] el0t_64_sync+0x1a0/0x1a4 [ 77.188471][ T5490] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.190837][ T5490] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.195068][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.205939][ T5461] CPU: 1 PID: 5461 Comm: syz.2.27 Not tainted syzkaller #0 [ 77.207057][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.208752][ T5461] Call trace: [ 77.209293][ T5461] dump_backtrace+0x0/0x458 [ 77.210054][ T5461] show_stack+0x2c/0x3c [ 77.210713][ T5461] __dump_stack+0x30/0x40 [ 77.211421][ T5461] dump_stack_lvl+0xf4/0x15c [ 77.212150][ T5461] dump_stack+0x1c/0x5c [ 77.212829][ T5461] sysfs_create_dir_ns+0x244/0x264 [ 77.213684][ T5461] kobject_add_internal+0x5ac/0xc3c [ 77.214490][ T5461] kobject_init_and_add+0x124/0x190 [ 77.215318][ T5461] gfs2_sys_fs_add+0x200/0x41c [ 77.216088][ T5461] gfs2_fill_super+0xddc/0x1a18 [ 77.216797][ T5461] get_tree_bdev+0x358/0x544 [ 77.217511][ T5461] gfs2_get_tree+0x54/0x1b4 [ 77.218206][ T5461] vfs_get_tree+0x90/0x274 [ 77.218964][ T5461] do_new_mount+0x228/0x810 [ 77.219705][ T5461] path_mount+0x5bc/0x1008 [ 77.220470][ T5461] __arm64_sys_mount+0x514/0x5f0 [ 77.221307][ T5461] invoke_syscall+0x98/0x2b0 [ 77.222069][ T5461] el0_svc_common+0x138/0x258 [ 77.222885][ T5461] do_el0_svc+0x58/0x13c [ 77.223539][ T5461] el0_svc+0x78/0x1d0 [ 77.224190][ T5461] el0t_64_sync_handler+0xcc/0xe4 [ 77.225118][ T5461] el0t_64_sync+0x1a0/0x1a4 [ 77.266156][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.273939][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.402230][ T5470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.403664][ T5470] CPU: 0 PID: 5470 Comm: syz.0.28 Not tainted syzkaller #0 [ 77.404857][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.406556][ T5470] Call trace: [ 77.407085][ T5470] dump_backtrace+0x0/0x458 [ 77.407798][ T5470] show_stack+0x2c/0x3c [ 77.408493][ T5470] __dump_stack+0x30/0x40 [ 77.409245][ T5470] dump_stack_lvl+0xf4/0x15c [ 77.410046][ T5470] dump_stack+0x1c/0x5c [ 77.410801][ T5470] sysfs_create_dir_ns+0x244/0x264 [ 77.411669][ T5470] kobject_add_internal+0x5ac/0xc3c [ 77.412558][ T5470] kobject_init_and_add+0x124/0x190 [ 77.413439][ T5470] gfs2_sys_fs_add+0x200/0x41c [ 77.414322][ T5470] gfs2_fill_super+0xddc/0x1a18 [ 77.415165][ T5470] get_tree_bdev+0x358/0x544 [ 77.415929][ T5470] gfs2_get_tree+0x54/0x1b4 [ 77.416773][ T5470] vfs_get_tree+0x90/0x274 [ 77.417486][ T5470] do_new_mount+0x228/0x810 [ 77.418302][ T5470] path_mount+0x5bc/0x1008 [ 77.419061][ T5470] __arm64_sys_mount+0x514/0x5f0 [ 77.419872][ T5470] invoke_syscall+0x98/0x2b0 [ 77.420594][ T5470] el0_svc_common+0x138/0x258 [ 77.421388][ T5470] do_el0_svc+0x58/0x13c [ 77.422068][ T5470] el0_svc+0x78/0x1d0 [ 77.422673][ T5470] el0t_64_sync_handler+0xcc/0xe4 [ 77.423531][ T5470] el0t_64_sync+0x1a0/0x1a4 [ 77.460778][ T5470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.466568][ T5470] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.504104][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.505442][ T5473] CPU: 0 PID: 5473 Comm: syz.4.29 Not tainted syzkaller #0 [ 77.506632][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.508344][ T5473] Call trace: [ 77.508907][ T5473] dump_backtrace+0x0/0x458 [ 77.509709][ T5473] show_stack+0x2c/0x3c [ 77.510386][ T5473] __dump_stack+0x30/0x40 [ 77.511125][ T5473] dump_stack_lvl+0xf4/0x15c [ 77.511926][ T5473] dump_stack+0x1c/0x5c [ 77.512630][ T5473] sysfs_create_dir_ns+0x244/0x264 [ 77.513540][ T5473] kobject_add_internal+0x5ac/0xc3c [ 77.514504][ T5473] kobject_init_and_add+0x124/0x190 [ 77.515408][ T5473] gfs2_sys_fs_add+0x200/0x41c [ 77.516227][ T5473] gfs2_fill_super+0xddc/0x1a18 [ 77.517047][ T5473] get_tree_bdev+0x358/0x544 [ 77.517818][ T5473] gfs2_get_tree+0x54/0x1b4 [ 77.518647][ T5473] vfs_get_tree+0x90/0x274 [ 77.519380][ T5473] do_new_mount+0x228/0x810 [ 77.520090][ T5473] path_mount+0x5bc/0x1008 [ 77.520845][ T5473] __arm64_sys_mount+0x514/0x5f0 [ 77.521729][ T5473] invoke_syscall+0x98/0x2b0 [ 77.522548][ T5473] el0_svc_common+0x138/0x258 [ 77.523387][ T5473] do_el0_svc+0x58/0x13c [ 77.524151][ T5473] el0_svc+0x78/0x1d0 [ 77.524847][ T5473] el0t_64_sync_handler+0xcc/0xe4 [ 77.525645][ T5473] el0t_64_sync+0x1a0/0x1a4 [ 77.532681][ T5490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.533854][ T5490] CPU: 0 PID: 5490 Comm: syz.1.30 Not tainted syzkaller #0 [ 77.535108][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.536918][ T5490] Call trace: [ 77.537452][ T5490] dump_backtrace+0x0/0x458 [ 77.538213][ T5490] show_stack+0x2c/0x3c [ 77.538870][ T5490] __dump_stack+0x30/0x40 [ 77.539622][ T5490] dump_stack_lvl+0xf4/0x15c [ 77.540343][ T5490] dump_stack+0x1c/0x5c [ 77.540979][ T5490] sysfs_create_dir_ns+0x244/0x264 [ 77.541797][ T5490] kobject_add_internal+0x5ac/0xc3c [ 77.542653][ T5490] kobject_init_and_add+0x124/0x190 [ 77.543527][ T5490] gfs2_sys_fs_add+0x200/0x41c [ 77.544278][ T5490] gfs2_fill_super+0xddc/0x1a18 [ 77.545040][ T5490] get_tree_bdev+0x358/0x544 [ 77.545825][ T5490] gfs2_get_tree+0x54/0x1b4 [ 77.546597][ T5490] vfs_get_tree+0x90/0x274 [ 77.547349][ T5490] do_new_mount+0x228/0x810 [ 77.548066][ T5490] path_mount+0x5bc/0x1008 [ 77.548776][ T5490] __arm64_sys_mount+0x514/0x5f0 [ 77.549579][ T5490] invoke_syscall+0x98/0x2b0 [ 77.550392][ T5490] el0_svc_common+0x138/0x258 [ 77.551252][ T5490] do_el0_svc+0x58/0x13c [ 77.552025][ T5490] el0_svc+0x78/0x1d0 [ 77.552732][ T5490] el0t_64_sync_handler+0xcc/0xe4 [ 77.553638][ T5490] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:17 executed programs: 27 [ 77.578584][ T5490] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.581961][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.586536][ T5490] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.587635][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.653064][ T5520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.654441][ T5520] CPU: 1 PID: 5520 Comm: syz.2.31 Not tainted syzkaller #0 [ 77.655673][ T5520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.657404][ T5520] Call trace: [ 77.657953][ T5520] dump_backtrace+0x0/0x458 [ 77.658693][ T5520] show_stack+0x2c/0x3c [ 77.659395][ T5520] __dump_stack+0x30/0x40 [ 77.660150][ T5520] dump_stack_lvl+0xf4/0x15c [ 77.660903][ T5520] dump_stack+0x1c/0x5c [ 77.661614][ T5520] sysfs_create_dir_ns+0x244/0x264 [ 77.662528][ T5520] kobject_add_internal+0x5ac/0xc3c [ 77.663393][ T5520] kobject_init_and_add+0x124/0x190 [ 77.664322][ T5520] gfs2_sys_fs_add+0x200/0x41c [ 77.665169][ T5520] gfs2_fill_super+0xddc/0x1a18 [ 77.666023][ T5520] get_tree_bdev+0x358/0x544 [ 77.666789][ T5520] gfs2_get_tree+0x54/0x1b4 [ 77.667539][ T5520] vfs_get_tree+0x90/0x274 [ 77.668290][ T5520] do_new_mount+0x228/0x810 [ 77.669053][ T5520] path_mount+0x5bc/0x1008 [ 77.669812][ T5520] __arm64_sys_mount+0x514/0x5f0 [ 77.670661][ T5520] invoke_syscall+0x98/0x2b0 [ 77.671456][ T5520] el0_svc_common+0x138/0x258 [ 77.672249][ T5520] do_el0_svc+0x58/0x13c [ 77.672926][ T5520] el0_svc+0x78/0x1d0 [ 77.673567][ T5520] el0t_64_sync_handler+0xcc/0xe4 [ 77.674402][ T5520] el0t_64_sync+0x1a0/0x1a4 [ 77.714023][ T5520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.716272][ T5520] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.813874][ T5530] set_capacity_and_notify: 19 callbacks suppressed [ 77.813883][ T5530] loop0: detected capacity change from 0 to 32768 [ 77.842640][ T5530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.843966][ T5530] CPU: 0 PID: 5530 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.845239][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.847019][ T5530] Call trace: [ 77.847529][ T5530] dump_backtrace+0x0/0x458 [ 77.848252][ T5530] show_stack+0x2c/0x3c [ 77.848915][ T5530] __dump_stack+0x30/0x40 [ 77.849608][ T5530] dump_stack_lvl+0xf4/0x15c [ 77.850346][ T5530] dump_stack+0x1c/0x5c [ 77.850988][ T5530] sysfs_create_dir_ns+0x244/0x264 [ 77.851776][ T5530] kobject_add_internal+0x5ac/0xc3c [ 77.852588][ T5530] kobject_init_and_add+0x124/0x190 [ 77.853403][ T5530] gfs2_sys_fs_add+0x200/0x41c [ 77.854155][ T5530] gfs2_fill_super+0xddc/0x1a18 [ 77.854908][ T5530] get_tree_bdev+0x358/0x544 [ 77.855569][ T5530] gfs2_get_tree+0x54/0x1b4 [ 77.856329][ T5530] vfs_get_tree+0x90/0x274 [ 77.857129][ T5530] do_new_mount+0x228/0x810 [ 77.857925][ T5530] path_mount+0x5bc/0x1008 [ 77.858682][ T5530] __arm64_sys_mount+0x514/0x5f0 [ 77.859513][ T5530] invoke_syscall+0x98/0x2b0 [ 77.860252][ T5530] el0_svc_common+0x138/0x258 [ 77.861019][ T5530] do_el0_svc+0x58/0x13c [ 77.861739][ T5530] el0_svc+0x78/0x1d0 [ 77.862353][ T5530] el0t_64_sync_handler+0xcc/0xe4 [ 77.863160][ T5530] el0t_64_sync+0x1a0/0x1a4 [ 77.906091][ T5530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.908215][ T5530] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.963785][ T5539] loop1: detected capacity change from 0 to 32768 [ 77.976663][ T5540] loop4: detected capacity change from 0 to 32768 [ 78.001192][ T5520] loop2: detected capacity change from 0 to 32768 [ 78.029045][ T5540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.030250][ T5540] CPU: 0 PID: 5540 Comm: syz.4.34 Not tainted syzkaller #0 [ 78.031420][ T5540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.033102][ T5540] Call trace: [ 78.033619][ T5540] dump_backtrace+0x0/0x458 [ 78.034353][ T5540] show_stack+0x2c/0x3c [ 78.035082][ T5540] __dump_stack+0x30/0x40 [ 78.035845][ T5540] dump_stack_lvl+0xf4/0x15c [ 78.036618][ T5540] dump_stack+0x1c/0x5c [ 78.037348][ T5540] sysfs_create_dir_ns+0x244/0x264 [ 78.038261][ T5540] kobject_add_internal+0x5ac/0xc3c [ 78.039204][ T5540] kobject_init_and_add+0x124/0x190 [ 78.040083][ T5540] gfs2_sys_fs_add+0x200/0x41c [ 78.040877][ T5540] gfs2_fill_super+0xddc/0x1a18 [ 78.041690][ T5540] get_tree_bdev+0x358/0x544 [ 78.042470][ T5540] gfs2_get_tree+0x54/0x1b4 [ 78.043235][ T5540] vfs_get_tree+0x90/0x274 [ 78.043979][ T5540] do_new_mount+0x228/0x810 [ 78.044744][ T5540] path_mount+0x5bc/0x1008 [ 78.045583][ T5540] __arm64_sys_mount+0x514/0x5f0 [ 78.046390][ T5540] invoke_syscall+0x98/0x2b0 [ 78.047144][ T5540] el0_svc_common+0x138/0x258 [ 78.047905][ T5540] do_el0_svc+0x58/0x13c [ 78.048603][ T5540] el0_svc+0x78/0x1d0 [ 78.049244][ T5540] el0t_64_sync_handler+0xcc/0xe4 [ 78.050112][ T5540] el0t_64_sync+0x1a0/0x1a4 [ 78.053639][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.053783][ T5520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.054809][ T5539] CPU: 0 PID: 5539 Comm: syz.1.33 Not tainted syzkaller #0 [ 78.057236][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.058805][ T5539] Call trace: [ 78.059350][ T5539] dump_backtrace+0x0/0x458 [ 78.060096][ T5539] show_stack+0x2c/0x3c [ 78.060732][ T5539] __dump_stack+0x30/0x40 [ 78.061463][ T5539] dump_stack_lvl+0xf4/0x15c [ 78.062223][ T5539] dump_stack+0x1c/0x5c [ 78.062959][ T5539] sysfs_create_dir_ns+0x244/0x264 [ 78.063859][ T5539] kobject_add_internal+0x5ac/0xc3c [ 78.064781][ T5539] kobject_init_and_add+0x124/0x190 [ 78.065695][ T5539] gfs2_sys_fs_add+0x200/0x41c [ 78.066466][ T5539] gfs2_fill_super+0xddc/0x1a18 [ 78.067253][ T5539] get_tree_bdev+0x358/0x544 [ 78.067995][ T5539] gfs2_get_tree+0x54/0x1b4 [ 78.068752][ T5539] vfs_get_tree+0x90/0x274 [ 78.069490][ T5539] do_new_mount+0x228/0x810 [ 78.070271][ T5539] path_mount+0x5bc/0x1008 [ 78.071039][ T5539] __arm64_sys_mount+0x514/0x5f0 [ 78.071889][ T5539] invoke_syscall+0x98/0x2b0 [ 78.072686][ T5539] el0_svc_common+0x138/0x258 [ 78.073471][ T5539] do_el0_svc+0x58/0x13c [ 78.074252][ T5539] el0_svc+0x78/0x1d0 [ 78.074903][ T5539] el0t_64_sync_handler+0xcc/0xe4 [ 78.075729][ T5539] el0t_64_sync+0x1a0/0x1a4 [ 78.076451][ T5520] CPU: 1 PID: 5520 Comm: syz.2.31 Not tainted syzkaller #0 [ 78.077601][ T5520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.079205][ T5520] Call trace: [ 78.079746][ T5520] dump_backtrace+0x0/0x458 [ 78.080429][ T5520] show_stack+0x2c/0x3c [ 78.081164][ T5520] __dump_stack+0x30/0x40 [ 78.081875][ T5520] dump_stack_lvl+0xf4/0x15c [ 78.082667][ T5520] dump_stack+0x1c/0x5c [ 78.083369][ T5520] sysfs_create_dir_ns+0x244/0x264 [ 78.084211][ T5520] kobject_add_internal+0x5ac/0xc3c [ 78.085061][ T5520] kobject_init_and_add+0x124/0x190 [ 78.085924][ T5520] gfs2_sys_fs_add+0x200/0x41c [ 78.086689][ T5520] gfs2_fill_super+0xddc/0x1a18 [ 78.087448][ T5520] get_tree_bdev+0x358/0x544 [ 78.088141][ T5520] gfs2_get_tree+0x54/0x1b4 [ 78.088819][ T5520] vfs_get_tree+0x90/0x274 [ 78.089482][ T5520] do_new_mount+0x228/0x810 [ 78.090162][ T5520] path_mount+0x5bc/0x1008 [ 78.090812][ T5520] __arm64_sys_mount+0x514/0x5f0 [ 78.091536][ T5520] invoke_syscall+0x98/0x2b0 [ 78.092203][ T5520] el0_svc_common+0x138/0x258 [ 78.092874][ T5520] do_el0_svc+0x58/0x13c [ 78.093465][ T5520] el0_svc+0x78/0x1d0 [ 78.094036][ T5520] el0t_64_sync_handler+0xcc/0xe4 [ 78.094761][ T5520] el0t_64_sync+0x1a0/0x1a4 [ 78.102815][ T5530] loop0: detected capacity change from 0 to 32768 [ 78.104857][ T5540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.107166][ T5540] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.107548][ T5520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.110356][ T5520] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.111724][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.114979][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.132789][ T5530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.134097][ T5530] CPU: 1 PID: 5530 Comm: syz.0.32 Not tainted syzkaller #0 [ 78.135271][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.136955][ T5530] Call trace: [ 78.137463][ T5530] dump_backtrace+0x0/0x458 [ 78.138205][ T5530] show_stack+0x2c/0x3c [ 78.138919][ T5530] __dump_stack+0x30/0x40 [ 78.139626][ T5530] dump_stack_lvl+0xf4/0x15c [ 78.140420][ T5530] dump_stack+0x1c/0x5c [ 78.141102][ T5530] sysfs_create_dir_ns+0x244/0x264 [ 78.141982][ T5530] kobject_add_internal+0x5ac/0xc3c [ 78.142872][ T5530] kobject_init_and_add+0x124/0x190 [ 78.143748][ T5530] gfs2_sys_fs_add+0x200/0x41c [ 78.144576][ T5530] gfs2_fill_super+0xddc/0x1a18 [ 78.145422][ T5530] get_tree_bdev+0x358/0x544 [ 78.146190][ T5530] gfs2_get_tree+0x54/0x1b4 [ 78.146918][ T5530] vfs_get_tree+0x90/0x274 [ 78.147640][ T5530] do_new_mount+0x228/0x810 [ 78.148406][ T5530] path_mount+0x5bc/0x1008 [ 78.149180][ T5530] __arm64_sys_mount+0x514/0x5f0 [ 78.149969][ T5530] invoke_syscall+0x98/0x2b0 [ 78.150753][ T5530] el0_svc_common+0x138/0x258 [ 78.151557][ T5530] do_el0_svc+0x58/0x13c [ 78.152264][ T5530] el0_svc+0x78/0x1d0 [ 78.152922][ T5530] el0t_64_sync_handler+0xcc/0xe4 [ 78.153772][ T5530] el0t_64_sync+0x1a0/0x1a4 [ 78.182832][ T5530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.184968][ T5530] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.400865][ T5540] loop4: detected capacity change from 0 to 32768 [ 78.409764][ T5540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.410977][ T5540] CPU: 0 PID: 5540 Comm: syz.4.34 Not tainted syzkaller #0 [ 78.412172][ T5540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.413773][ T5540] Call trace: [ 78.414286][ T5540] dump_backtrace+0x0/0x458 [ 78.415015][ T5540] show_stack+0x2c/0x3c [ 78.415719][ T5540] __dump_stack+0x30/0x40 [ 78.416464][ T5540] dump_stack_lvl+0xf4/0x15c [ 78.417258][ T5540] dump_stack+0x1c/0x5c [ 78.417931][ T5540] sysfs_create_dir_ns+0x244/0x264 [ 78.418782][ T5540] kobject_add_internal+0x5ac/0xc3c [ 78.419635][ T5540] kobject_init_and_add+0x124/0x190 [ 78.420573][ T5540] gfs2_sys_fs_add+0x200/0x41c [ 78.421381][ T5540] gfs2_fill_super+0xddc/0x1a18 [ 78.422185][ T5540] get_tree_bdev+0x358/0x544 [ 78.422938][ T5540] gfs2_get_tree+0x54/0x1b4 [ 78.423643][ T5540] vfs_get_tree+0x90/0x274 [ 78.424384][ T5540] do_new_mount+0x228/0x810 [ 78.425160][ T5540] path_mount+0x5bc/0x1008 [ 78.425905][ T5540] __arm64_sys_mount+0x514/0x5f0 [ 78.426751][ T5540] invoke_syscall+0x98/0x2b0 [ 78.427530][ T5540] el0_svc_common+0x138/0x258 [ 78.428295][ T5540] do_el0_svc+0x58/0x13c [ 78.429000][ T5540] el0_svc+0x78/0x1d0 [ 78.429666][ T5540] el0t_64_sync_handler+0xcc/0xe4 [ 78.430466][ T5540] el0t_64_sync+0x1a0/0x1a4 [ 78.448969][ T5539] loop1: detected capacity change from 0 to 32768 [ 78.452434][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.456116][ T5539] CPU: 0 PID: 5539 Comm: syz.1.33 Not tainted syzkaller #0 [ 78.457357][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.459135][ T5539] Call trace: [ 78.459655][ T5539] dump_backtrace+0x0/0x458 [ 78.460354][ T5539] show_stack+0x2c/0x3c [ 78.461000][ T5539] __dump_stack+0x30/0x40 [ 78.461754][ T5539] dump_stack_lvl+0xf4/0x15c [ 78.462538][ T5539] dump_stack+0x1c/0x5c [ 78.463236][ T5539] sysfs_create_dir_ns+0x244/0x264 [ 78.464101][ T5539] kobject_add_internal+0x5ac/0xc3c [ 78.465050][ T5539] kobject_init_and_add+0x124/0x190 [ 78.465937][ T5539] gfs2_sys_fs_add+0x200/0x41c [ 78.466744][ T5539] gfs2_fill_super+0xddc/0x1a18 [ 78.467507][ T5539] get_tree_bdev+0x358/0x544 [ 78.468294][ T5539] gfs2_get_tree+0x54/0x1b4 [ 78.469086][ T5539] vfs_get_tree+0x90/0x274 [ 78.469823][ T5539] do_new_mount+0x228/0x810 [ 78.470544][ T5539] path_mount+0x5bc/0x1008 [ 78.471283][ T5539] __arm64_sys_mount+0x514/0x5f0 [ 78.472146][ T5539] invoke_syscall+0x98/0x2b0 [ 78.472994][ T5539] el0_svc_common+0x138/0x258 [ 78.473799][ T5539] do_el0_svc+0x58/0x13c [ 78.474547][ T5539] el0_svc+0x78/0x1d0 [ 78.475231][ T5539] el0t_64_sync_handler+0xcc/0xe4 [ 78.476082][ T5539] el0t_64_sync+0x1a0/0x1a4 [ 78.484726][ T5540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.486191][ T5571] loop2: detected capacity change from 0 to 32768 [ 78.486944][ T5540] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.500677][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.501930][ T5571] CPU: 1 PID: 5571 Comm: syz.2.35 Not tainted syzkaller #0 [ 78.503149][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.504862][ T5571] Call trace: [ 78.505433][ T5571] dump_backtrace+0x0/0x458 [ 78.506148][ T5571] show_stack+0x2c/0x3c [ 78.506827][ T5571] __dump_stack+0x30/0x40 [ 78.507534][ T5571] dump_stack_lvl+0xf4/0x15c [ 78.508299][ T5571] dump_stack+0x1c/0x5c [ 78.509034][ T5571] sysfs_create_dir_ns+0x244/0x264 [ 78.509884][ T5571] kobject_add_internal+0x5ac/0xc3c [ 78.510787][ T5571] kobject_init_and_add+0x124/0x190 [ 78.511689][ T5571] gfs2_sys_fs_add+0x200/0x41c [ 78.512462][ T5571] gfs2_fill_super+0xddc/0x1a18 [ 78.513313][ T5571] get_tree_bdev+0x358/0x544 [ 78.514025][ T5571] gfs2_get_tree+0x54/0x1b4 [ 78.514716][ T5571] vfs_get_tree+0x90/0x274 [ 78.515440][ T5571] do_new_mount+0x228/0x810 [ 78.516199][ T5571] path_mount+0x5bc/0x1008 [ 78.516956][ T5571] __arm64_sys_mount+0x514/0x5f0 [ 78.517783][ T5571] invoke_syscall+0x98/0x2b0 [ 78.518516][ T5571] el0_svc_common+0x138/0x258 [ 78.519255][ T5571] do_el0_svc+0x58/0x13c [ 78.519544][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.520013][ T5571] el0_svc+0x78/0x1d0 [ 78.522194][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.522827][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 78.524754][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 78.592827][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.610649][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.627942][ T5585] loop0: detected capacity change from 0 to 32768 [ 78.675411][ T5585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.676687][ T5585] CPU: 1 PID: 5585 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.677954][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.679635][ T5585] Call trace: [ 78.680168][ T5585] dump_backtrace+0x0/0x458 [ 78.680869][ T5585] show_stack+0x2c/0x3c [ 78.681588][ T5585] __dump_stack+0x30/0x40 [ 78.682309][ T5585] dump_stack_lvl+0xf4/0x15c [ 78.683086][ T5585] dump_stack+0x1c/0x5c [ 78.683750][ T5585] sysfs_create_dir_ns+0x244/0x264 [ 78.684558][ T5585] kobject_add_internal+0x5ac/0xc3c [ 78.685453][ T5585] kobject_init_and_add+0x124/0x190 [ 78.686356][ T5585] gfs2_sys_fs_add+0x200/0x41c [ 78.687171][ T5585] gfs2_fill_super+0xddc/0x1a18 [ 78.687995][ T5585] get_tree_bdev+0x358/0x544 [ 78.688751][ T5585] gfs2_get_tree+0x54/0x1b4 [ 78.689479][ T5585] vfs_get_tree+0x90/0x274 [ 78.690185][ T5585] do_new_mount+0x228/0x810 [ 78.690919][ T5585] path_mount+0x5bc/0x1008 [ 78.691642][ T5585] __arm64_sys_mount+0x514/0x5f0 [ 78.692515][ T5585] invoke_syscall+0x98/0x2b0 [ 78.693310][ T5585] el0_svc_common+0x138/0x258 [ 78.694078][ T5585] do_el0_svc+0x58/0x13c [ 78.694760][ T5585] el0_svc+0x78/0x1d0 [ 78.695417][ T5585] el0t_64_sync_handler+0xcc/0xe4 [ 78.696266][ T5585] el0t_64_sync+0x1a0/0x1a4 [ 78.734826][ T5585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.742091][ T5585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.780524][ T5598] loop4: detected capacity change from 0 to 32768 [ 78.830699][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.831993][ T5601] CPU: 0 PID: 5601 Comm: syz.1.38 Not tainted syzkaller #0 [ 78.833284][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.835023][ T5601] Call trace: [ 78.835573][ T5601] dump_backtrace+0x0/0x458 [ 78.836321][ T5601] show_stack+0x2c/0x3c [ 78.836984][ T5601] __dump_stack+0x30/0x40 [ 78.837686][ T5601] dump_stack_lvl+0xf4/0x15c [ 78.838420][ T5601] dump_stack+0x1c/0x5c [ 78.839144][ T5601] sysfs_create_dir_ns+0x244/0x264 [ 78.839963][ T5601] kobject_add_internal+0x5ac/0xc3c [ 78.840794][ T5601] kobject_init_and_add+0x124/0x190 [ 78.841682][ T5601] gfs2_sys_fs_add+0x200/0x41c [ 78.842487][ T5601] gfs2_fill_super+0xddc/0x1a18 [ 78.843266][ T5601] get_tree_bdev+0x358/0x544 [ 78.844078][ T5601] gfs2_get_tree+0x54/0x1b4 [ 78.844833][ T5601] vfs_get_tree+0x90/0x274 [ 78.845611][ T5601] do_new_mount+0x228/0x810 [ 78.846406][ T5601] path_mount+0x5bc/0x1008 [ 78.847145][ T5601] __arm64_sys_mount+0x514/0x5f0 [ 78.847938][ T5601] invoke_syscall+0x98/0x2b0 [ 78.848710][ T5601] el0_svc_common+0x138/0x258 [ 78.849502][ T5601] do_el0_svc+0x58/0x13c [ 78.850224][ T5601] el0_svc+0x78/0x1d0 [ 78.850858][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 78.851654][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 78.855542][ T5598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.856769][ T5598] CPU: 0 PID: 5598 Comm: syz.4.37 Not tainted syzkaller #0 [ 78.857988][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.859610][ T5598] Call trace: [ 78.860084][ T5598] dump_backtrace+0x0/0x458 [ 78.860768][ T5598] show_stack+0x2c/0x3c [ 78.861415][ T5598] __dump_stack+0x30/0x40 [ 78.862184][ T5598] dump_stack_lvl+0xf4/0x15c [ 78.862975][ T5598] dump_stack+0x1c/0x5c [ 78.863676][ T5598] sysfs_create_dir_ns+0x244/0x264 [ 78.864566][ T5598] kobject_add_internal+0x5ac/0xc3c [ 78.865381][ T5598] kobject_init_and_add+0x124/0x190 [ 78.866154][ T5598] gfs2_sys_fs_add+0x200/0x41c [ 78.866962][ T5598] gfs2_fill_super+0xddc/0x1a18 [ 78.867771][ T5598] get_tree_bdev+0x358/0x544 [ 78.868532][ T5598] gfs2_get_tree+0x54/0x1b4 [ 78.869301][ T5598] vfs_get_tree+0x90/0x274 [ 78.870045][ T5598] do_new_mount+0x228/0x810 [ 78.870820][ T5598] path_mount+0x5bc/0x1008 [ 78.871554][ T5598] __arm64_sys_mount+0x514/0x5f0 [ 78.872408][ T5598] invoke_syscall+0x98/0x2b0 [ 78.873173][ T5598] el0_svc_common+0x138/0x258 [ 78.873960][ T5598] do_el0_svc+0x58/0x13c [ 78.874692][ T5598] el0_svc+0x78/0x1d0 [ 78.875376][ T5598] el0t_64_sync_handler+0xcc/0xe4 [ 78.876178][ T5598] el0t_64_sync+0x1a0/0x1a4 [ 78.881057][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.882864][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.883528][ T5598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.884483][ T5571] CPU: 1 PID: 5571 Comm: syz.2.35 Not tainted syzkaller #0 [ 78.886656][ T5598] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.887805][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.887818][ T5571] Call trace: [ 78.888916][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.890524][ T5571] dump_backtrace+0x0/0x458 [ 78.892741][ T5571] show_stack+0x2c/0x3c [ 78.893420][ T5571] __dump_stack+0x30/0x40 [ 78.894123][ T5571] dump_stack_lvl+0xf4/0x15c [ 78.894844][ T5571] dump_stack+0x1c/0x5c [ 78.895484][ T5571] sysfs_create_dir_ns+0x244/0x264 [ 78.896375][ T5571] kobject_add_internal+0x5ac/0xc3c [ 78.897247][ T5571] kobject_init_and_add+0x124/0x190 [ 78.898073][ T5571] gfs2_sys_fs_add+0x200/0x41c [ 78.898828][ T5571] gfs2_fill_super+0xddc/0x1a18 [ 78.899674][ T5571] get_tree_bdev+0x358/0x544 [ 78.900444][ T5571] gfs2_get_tree+0x54/0x1b4 [ 78.901219][ T5571] vfs_get_tree+0x90/0x274 [ 78.901950][ T5571] do_new_mount+0x228/0x810 [ 78.902679][ T5571] path_mount+0x5bc/0x1008 [ 78.903365][ T5571] __arm64_sys_mount+0x514/0x5f0 [ 78.904268][ T5571] invoke_syscall+0x98/0x2b0 [ 78.904999][ T5571] el0_svc_common+0x138/0x258 [ 78.905771][ T5571] do_el0_svc+0x58/0x13c [ 78.906472][ T5571] el0_svc+0x78/0x1d0 [ 78.907113][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 78.907981][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 78.942404][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.944699][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.985176][ T5585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.986383][ T5585] CPU: 1 PID: 5585 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.987607][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.989306][ T5585] Call trace: [ 78.989869][ T5585] dump_backtrace+0x0/0x458 [ 78.990624][ T5585] show_stack+0x2c/0x3c [ 78.991281][ T5585] __dump_stack+0x30/0x40 [ 78.992026][ T5585] dump_stack_lvl+0xf4/0x15c [ 78.992813][ T5585] dump_stack+0x1c/0x5c [ 78.993529][ T5585] sysfs_create_dir_ns+0x244/0x264 [ 78.994326][ T5585] kobject_add_internal+0x5ac/0xc3c [ 78.995182][ T5585] kobject_init_and_add+0x124/0x190 [ 78.996025][ T5585] gfs2_sys_fs_add+0x200/0x41c [ 78.996910][ T5585] gfs2_fill_super+0xddc/0x1a18 [ 78.997748][ T5585] get_tree_bdev+0x358/0x544 [ 78.998474][ T5585] gfs2_get_tree+0x54/0x1b4 [ 78.999242][ T5585] vfs_get_tree+0x90/0x274 [ 79.000000][ T5585] do_new_mount+0x228/0x810 [ 79.000728][ T5585] path_mount+0x5bc/0x1008 [ 79.001445][ T5585] __arm64_sys_mount+0x514/0x5f0 [ 79.002279][ T5585] invoke_syscall+0x98/0x2b0 [ 79.003095][ T5585] el0_svc_common+0x138/0x258 [ 79.003808][ T5585] do_el0_svc+0x58/0x13c [ 79.004497][ T5585] el0_svc+0x78/0x1d0 [ 79.005099][ T5585] el0t_64_sync_handler+0xcc/0xe4 [ 79.005861][ T5585] el0t_64_sync+0x1a0/0x1a4 [ 79.044014][ T5585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.046068][ T5585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.184244][ T5598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.185623][ T5598] CPU: 1 PID: 5598 Comm: syz.4.37 Not tainted syzkaller #0 [ 79.186828][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.188329][ T5598] Call trace: [ 79.188860][ T5598] dump_backtrace+0x0/0x458 [ 79.189590][ T5598] show_stack+0x2c/0x3c [ 79.190246][ T5598] __dump_stack+0x30/0x40 [ 79.190971][ T5598] dump_stack_lvl+0xf4/0x15c [ 79.191719][ T5598] dump_stack+0x1c/0x5c [ 79.192420][ T5598] sysfs_create_dir_ns+0x244/0x264 [ 79.193292][ T5598] kobject_add_internal+0x5ac/0xc3c [ 79.194188][ T5598] kobject_init_and_add+0x124/0x190 [ 79.195069][ T5598] gfs2_sys_fs_add+0x200/0x41c [ 79.195838][ T5598] gfs2_fill_super+0xddc/0x1a18 [ 79.196642][ T5598] get_tree_bdev+0x358/0x544 [ 79.197403][ T5598] gfs2_get_tree+0x54/0x1b4 [ 79.198137][ T5598] vfs_get_tree+0x90/0x274 [ 79.198888][ T5598] do_new_mount+0x228/0x810 [ 79.199671][ T5598] path_mount+0x5bc/0x1008 [ 79.200356][ T5598] __arm64_sys_mount+0x514/0x5f0 [ 79.201209][ T5598] invoke_syscall+0x98/0x2b0 [ 79.201998][ T5598] el0_svc_common+0x138/0x258 [ 79.202726][ T5598] do_el0_svc+0x58/0x13c [ 79.203458][ T5598] el0_svc+0x78/0x1d0 [ 79.204162][ T5598] el0t_64_sync_handler+0xcc/0xe4 [ 79.205005][ T5598] el0t_64_sync+0x1a0/0x1a4 [ 79.206036][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.207197][ T5601] CPU: 1 PID: 5601 Comm: syz.1.38 Not tainted syzkaller #0 [ 79.208330][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.209938][ T5601] Call trace: [ 79.210487][ T5601] dump_backtrace+0x0/0x458 [ 79.211185][ T5601] show_stack+0x2c/0x3c [ 79.211805][ T5601] __dump_stack+0x30/0x40 [ 79.212489][ T5601] dump_stack_lvl+0xf4/0x15c [ 79.213225][ T5601] dump_stack+0x1c/0x5c [ 79.213915][ T5601] sysfs_create_dir_ns+0x244/0x264 [ 79.214724][ T5601] kobject_add_internal+0x5ac/0xc3c [ 79.215521][ T5601] kobject_init_and_add+0x124/0x190 [ 79.216382][ T5601] gfs2_sys_fs_add+0x200/0x41c [ 79.217183][ T5601] gfs2_fill_super+0xddc/0x1a18 [ 79.217954][ T5601] get_tree_bdev+0x358/0x544 [ 79.218686][ T5601] gfs2_get_tree+0x54/0x1b4 [ 79.219411][ T5601] vfs_get_tree+0x90/0x274 [ 79.220093][ T5601] do_new_mount+0x228/0x810 [ 79.220850][ T5601] path_mount+0x5bc/0x1008 [ 79.221564][ T5601] __arm64_sys_mount+0x514/0x5f0 [ 79.222419][ T5601] invoke_syscall+0x98/0x2b0 [ 79.223161][ T5601] el0_svc_common+0x138/0x258 [ 79.223929][ T5601] do_el0_svc+0x58/0x13c [ 79.224618][ T5601] el0_svc+0x78/0x1d0 [ 79.225274][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 79.226078][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 79.229626][ T5598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.231809][ T5598] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.233404][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.233436][ T5616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.235438][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.236680][ T5616] CPU: 0 PID: 5616 Comm: syz.2.39 Not tainted syzkaller #0 [ 79.238903][ T5616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.240492][ T5616] Call trace: [ 79.241054][ T5616] dump_backtrace+0x0/0x458 [ 79.241819][ T5616] show_stack+0x2c/0x3c [ 79.242547][ T5616] __dump_stack+0x30/0x40 [ 79.243304][ T5616] dump_stack_lvl+0xf4/0x15c [ 79.244072][ T5616] dump_stack+0x1c/0x5c [ 79.244780][ T5616] sysfs_create_dir_ns+0x244/0x264 [ 79.245656][ T5616] kobject_add_internal+0x5ac/0xc3c [ 79.246579][ T5616] kobject_init_and_add+0x124/0x190 [ 79.247406][ T5616] gfs2_sys_fs_add+0x200/0x41c [ 79.248155][ T5616] gfs2_fill_super+0xddc/0x1a18 [ 79.248939][ T5616] get_tree_bdev+0x358/0x544 [ 79.249716][ T5616] gfs2_get_tree+0x54/0x1b4 [ 79.250522][ T5616] vfs_get_tree+0x90/0x274 [ 79.251267][ T5616] do_new_mount+0x228/0x810 [ 79.252029][ T5616] path_mount+0x5bc/0x1008 [ 79.252851][ T5616] __arm64_sys_mount+0x514/0x5f0 [ 79.253701][ T5616] invoke_syscall+0x98/0x2b0 [ 79.254514][ T5616] el0_svc_common+0x138/0x258 [ 79.255302][ T5616] do_el0_svc+0x58/0x13c [ 79.256055][ T5616] el0_svc+0x78/0x1d0 [ 79.256744][ T5616] el0t_64_sync_handler+0xcc/0xe4 [ 79.257590][ T5616] el0t_64_sync+0x1a0/0x1a4 [ 79.280322][ T5618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.281679][ T5618] CPU: 1 PID: 5618 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.282812][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.284489][ T5618] Call trace: [ 79.285031][ T5618] dump_backtrace+0x0/0x458 [ 79.285816][ T5618] show_stack+0x2c/0x3c [ 79.286518][ T5618] __dump_stack+0x30/0x40 [ 79.287231][ T5618] dump_stack_lvl+0xf4/0x15c [ 79.287995][ T5618] dump_stack+0x1c/0x5c [ 79.288649][ T5618] sysfs_create_dir_ns+0x244/0x264 [ 79.289452][ T5618] kobject_add_internal+0x5ac/0xc3c [ 79.290351][ T5618] kobject_init_and_add+0x124/0x190 [ 79.291249][ T5618] gfs2_sys_fs_add+0x200/0x41c [ 79.292077][ T5618] gfs2_fill_super+0xddc/0x1a18 [ 79.292949][ T5618] get_tree_bdev+0x358/0x544 [ 79.293750][ T5618] gfs2_get_tree+0x54/0x1b4 [ 79.294502][ T5618] vfs_get_tree+0x90/0x274 [ 79.295204][ T5618] do_new_mount+0x228/0x810 [ 79.295930][ T5618] path_mount+0x5bc/0x1008 [ 79.296624][ T5618] __arm64_sys_mount+0x514/0x5f0 [ 79.297454][ T5618] invoke_syscall+0x98/0x2b0 [ 79.298208][ T5618] el0_svc_common+0x138/0x258 [ 79.298953][ T5618] do_el0_svc+0x58/0x13c [ 79.299640][ T5618] el0_svc+0x78/0x1d0 [ 79.300310][ T5618] el0t_64_sync_handler+0xcc/0xe4 [ 79.301160][ T5618] el0t_64_sync+0x1a0/0x1a4 [ 79.305670][ T5616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.308125][ T5616] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.332828][ T5618] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.335146][ T5618] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.525015][ T5622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.526314][ T5622] CPU: 1 PID: 5622 Comm: syz.1.42 Not tainted syzkaller #0 [ 79.527481][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.529191][ T5622] Call trace: [ 79.529726][ T5622] dump_backtrace+0x0/0x458 [ 79.530498][ T5622] show_stack+0x2c/0x3c [ 79.531184][ T5622] __dump_stack+0x30/0x40 [ 79.531905][ T5622] dump_stack_lvl+0xf4/0x15c [ 79.532632][ T5622] dump_stack+0x1c/0x5c [ 79.533283][ T5622] sysfs_create_dir_ns+0x244/0x264 [ 79.534080][ T5622] kobject_add_internal+0x5ac/0xc3c [ 79.534905][ T5622] kobject_init_and_add+0x124/0x190 [ 79.535697][ T5622] gfs2_sys_fs_add+0x200/0x41c [ 79.536380][ T5622] gfs2_fill_super+0xddc/0x1a18 [ 79.537124][ T5622] get_tree_bdev+0x358/0x544 [ 79.537841][ T5622] gfs2_get_tree+0x54/0x1b4 [ 79.538632][ T5622] vfs_get_tree+0x90/0x274 [ 79.539402][ T5622] do_new_mount+0x228/0x810 [ 79.540114][ T5622] path_mount+0x5bc/0x1008 [ 79.540841][ T5622] __arm64_sys_mount+0x514/0x5f0 [ 79.541698][ T5622] invoke_syscall+0x98/0x2b0 [ 79.542429][ T5622] el0_svc_common+0x138/0x258 [ 79.543146][ T5622] do_el0_svc+0x58/0x13c [ 79.543809][ T5622] el0_svc+0x78/0x1d0 [ 79.544519][ T5622] el0t_64_sync_handler+0xcc/0xe4 [ 79.545376][ T5622] el0t_64_sync+0x1a0/0x1a4 [ 79.547017][ T5622] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.549457][ T5622] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.572789][ T5618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.574066][ T5618] CPU: 1 PID: 5618 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.574804][ T5620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.575180][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.578002][ T5618] Call trace: [ 79.578577][ T5618] dump_backtrace+0x0/0x458 [ 79.579355][ T5618] show_stack+0x2c/0x3c [ 79.580057][ T5618] __dump_stack+0x30/0x40 [ 79.580771][ T5618] dump_stack_lvl+0xf4/0x15c [ 79.581538][ T5618] dump_stack+0x1c/0x5c [ 79.582255][ T5618] sysfs_create_dir_ns+0x244/0x264 [ 79.583146][ T5618] kobject_add_internal+0x5ac/0xc3c [ 79.584034][ T5618] kobject_init_and_add+0x124/0x190 [ 79.584921][ T5618] gfs2_sys_fs_add+0x200/0x41c [ 79.585712][ T5618] gfs2_fill_super+0xddc/0x1a18 [ 79.586506][ T5618] get_tree_bdev+0x358/0x544 [ 79.587366][ T5618] gfs2_get_tree+0x54/0x1b4 [ 79.588120][ T5618] vfs_get_tree+0x90/0x274 [ 79.588832][ T5618] do_new_mount+0x228/0x810 [ 79.589578][ T5618] path_mount+0x5bc/0x1008 [ 79.590319][ T5618] __arm64_sys_mount+0x514/0x5f0 [ 79.591158][ T5618] invoke_syscall+0x98/0x2b0 [ 79.591936][ T5618] el0_svc_common+0x138/0x258 [ 79.592758][ T5618] do_el0_svc+0x58/0x13c [ 79.593494][ T5618] el0_svc+0x78/0x1d0 [ 79.594167][ T5618] el0t_64_sync_handler+0xcc/0xe4 [ 79.594961][ T5618] el0t_64_sync+0x1a0/0x1a4 [ 79.595654][ T5620] CPU: 0 PID: 5620 Comm: syz.4.41 Not tainted syzkaller #0 [ 79.596790][ T5620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.598442][ T5620] Call trace: [ 79.598941][ T5620] dump_backtrace+0x0/0x458 [ 79.599683][ T5620] show_stack+0x2c/0x3c [ 79.600355][ T5620] __dump_stack+0x30/0x40 [ 79.601014][ T5620] dump_stack_lvl+0xf4/0x15c [ 79.601767][ T5620] dump_stack+0x1c/0x5c [ 79.602471][ T5620] sysfs_create_dir_ns+0x244/0x264 [ 79.603350][ T5620] kobject_add_internal+0x5ac/0xc3c [ 79.604250][ T5620] kobject_init_and_add+0x124/0x190 [ 79.605076][ T5620] gfs2_sys_fs_add+0x200/0x41c [ 79.605831][ T5620] gfs2_fill_super+0xddc/0x1a18 [ 79.606678][ T5620] get_tree_bdev+0x358/0x544 [ 79.607495][ T5620] gfs2_get_tree+0x54/0x1b4 [ 79.608259][ T5620] vfs_get_tree+0x90/0x274 [ 79.608974][ T5620] do_new_mount+0x228/0x810 [ 79.609715][ T5620] path_mount+0x5bc/0x1008 [ 79.610475][ T5620] __arm64_sys_mount+0x514/0x5f0 [ 79.611333][ T5620] invoke_syscall+0x98/0x2b0 [ 79.612097][ T5620] el0_svc_common+0x138/0x258 [ 79.612937][ T5620] do_el0_svc+0x58/0x13c [ 79.613649][ T5620] el0_svc+0x78/0x1d0 [ 79.614349][ T5620] el0t_64_sync_handler+0xcc/0xe4 [ 79.615189][ T5620] el0t_64_sync+0x1a0/0x1a4 [ 79.631008][ T5618] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.639076][ T5620] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.639197][ T5618] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.641187][ T5620] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.652917][ T5616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.654214][ T5616] CPU: 0 PID: 5616 Comm: syz.2.39 Not tainted syzkaller #0 [ 79.655461][ T5616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.657220][ T5616] Call trace: [ 79.657730][ T5616] dump_backtrace+0x0/0x458 [ 79.658507][ T5616] show_stack+0x2c/0x3c [ 79.659190][ T5616] __dump_stack+0x30/0x40 [ 79.659913][ T5616] dump_stack_lvl+0xf4/0x15c [ 79.660634][ T5616] dump_stack+0x1c/0x5c [ 79.661261][ T5616] sysfs_create_dir_ns+0x244/0x264 [ 79.662111][ T5616] kobject_add_internal+0x5ac/0xc3c [ 79.662889][ T5616] kobject_init_and_add+0x124/0x190 [ 79.663684][ T5616] gfs2_sys_fs_add+0x200/0x41c [ 79.664484][ T5616] gfs2_fill_super+0xddc/0x1a18 [ 79.665234][ T5616] get_tree_bdev+0x358/0x544 [ 79.666005][ T5616] gfs2_get_tree+0x54/0x1b4 [ 79.666756][ T5616] vfs_get_tree+0x90/0x274 [ 79.667521][ T5616] do_new_mount+0x228/0x810 [ 79.668240][ T5616] path_mount+0x5bc/0x1008 [ 79.668982][ T5616] __arm64_sys_mount+0x514/0x5f0 [ 79.669785][ T5616] invoke_syscall+0x98/0x2b0 [ 79.670549][ T5616] el0_svc_common+0x138/0x258 [ 79.671422][ T5616] do_el0_svc+0x58/0x13c [ 79.672113][ T5616] el0_svc+0x78/0x1d0 [ 79.672773][ T5616] el0t_64_sync_handler+0xcc/0xe4 [ 79.673600][ T5616] el0t_64_sync+0x1a0/0x1a4 [ 79.712174][ T5616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.714451][ T5616] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.742696][ T5622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.743945][ T5622] CPU: 1 PID: 5622 Comm: syz.1.42 Not tainted syzkaller #0 [ 79.745096][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.746784][ T5622] Call trace: [ 79.747317][ T5622] dump_backtrace+0x0/0x458 [ 79.748096][ T5622] show_stack+0x2c/0x3c [ 79.748814][ T5622] __dump_stack+0x30/0x40 [ 79.749544][ T5622] dump_stack_lvl+0xf4/0x15c [ 79.750296][ T5622] dump_stack+0x1c/0x5c [ 79.750966][ T5622] sysfs_create_dir_ns+0x244/0x264 [ 79.751853][ T5622] kobject_add_internal+0x5ac/0xc3c [ 79.752770][ T5622] kobject_init_and_add+0x124/0x190 [ 79.753620][ T5622] gfs2_sys_fs_add+0x200/0x41c [ 79.754424][ T5622] gfs2_fill_super+0xddc/0x1a18 [ 79.755172][ T5622] get_tree_bdev+0x358/0x544 [ 79.755895][ T5622] gfs2_get_tree+0x54/0x1b4 [ 79.756591][ T5622] vfs_get_tree+0x90/0x274 [ 79.757264][ T5622] do_new_mount+0x228/0x810 [ 79.757972][ T5622] path_mount+0x5bc/0x1008 [ 79.758709][ T5622] __arm64_sys_mount+0x514/0x5f0 [ 79.759538][ T5622] invoke_syscall+0x98/0x2b0 [ 79.760276][ T5622] el0_svc_common+0x138/0x258 [ 79.761057][ T5622] do_el0_svc+0x58/0x13c [ 79.761765][ T5622] el0_svc+0x78/0x1d0 [ 79.762379][ T5622] el0t_64_sync_handler+0xcc/0xe4 [ 79.763217][ T5622] el0t_64_sync+0x1a0/0x1a4 [ 79.773151][ T5622] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.775409][ T5622] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.897555][ T5620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.898857][ T5620] CPU: 1 PID: 5620 Comm: syz.4.41 Not tainted syzkaller #0 [ 79.899996][ T5620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.901664][ T5620] Call trace: [ 79.902197][ T5620] dump_backtrace+0x0/0x458 [ 79.902573][ T5625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.902927][ T5620] show_stack+0x2c/0x3c [ 79.904843][ T5620] __dump_stack+0x30/0x40 [ 79.905590][ T5620] dump_stack_lvl+0xf4/0x15c [ 79.906326][ T5620] dump_stack+0x1c/0x5c [ 79.907021][ T5620] sysfs_create_dir_ns+0x244/0x264 [ 79.907836][ T5620] kobject_add_internal+0x5ac/0xc3c [ 79.908693][ T5620] kobject_init_and_add+0x124/0x190 [ 79.909533][ T5620] gfs2_sys_fs_add+0x200/0x41c [ 79.910302][ T5620] gfs2_fill_super+0xddc/0x1a18 [ 79.911097][ T5620] get_tree_bdev+0x358/0x544 [ 79.911818][ T5620] gfs2_get_tree+0x54/0x1b4 [ 79.912517][ T5620] vfs_get_tree+0x90/0x274 [ 79.913211][ T5620] do_new_mount+0x228/0x810 [ 79.913917][ T5620] path_mount+0x5bc/0x1008 [ 79.914653][ T5620] __arm64_sys_mount+0x514/0x5f0 [ 79.915504][ T5620] invoke_syscall+0x98/0x2b0 [ 79.916298][ T5620] el0_svc_common+0x138/0x258 [ 79.917105][ T5620] do_el0_svc+0x58/0x13c [ 79.917853][ T5620] el0_svc+0x78/0x1d0 [ 79.918517][ T5620] el0t_64_sync_handler+0xcc/0xe4 [ 79.919392][ T5620] el0t_64_sync+0x1a0/0x1a4 [ 79.920819][ T5625] CPU: 0 PID: 5625 Comm: syz.0.43 Not tainted syzkaller #0 [ 79.922004][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.923777][ T5625] Call trace: [ 79.924342][ T5625] dump_backtrace+0x0/0x458 [ 79.925137][ T5625] show_stack+0x2c/0x3c [ 79.925805][ T5625] __dump_stack+0x30/0x40 [ 79.926515][ T5625] dump_stack_lvl+0xf4/0x15c [ 79.927337][ T5625] dump_stack+0x1c/0x5c [ 79.928055][ T5625] sysfs_create_dir_ns+0x244/0x264 [ 79.928935][ T5625] kobject_add_internal+0x5ac/0xc3c [ 79.929770][ T5625] kobject_init_and_add+0x124/0x190 [ 79.930624][ T5625] gfs2_sys_fs_add+0x200/0x41c [ 79.931417][ T5625] gfs2_fill_super+0xddc/0x1a18 [ 79.932192][ T5625] get_tree_bdev+0x358/0x544 [ 79.932962][ T5625] gfs2_get_tree+0x54/0x1b4 [ 79.933698][ T5625] vfs_get_tree+0x90/0x274 [ 79.934398][ T5625] do_new_mount+0x228/0x810 [ 79.935143][ T5625] path_mount+0x5bc/0x1008 [ 79.935846][ T5625] __arm64_sys_mount+0x514/0x5f0 [ 79.936600][ T5625] invoke_syscall+0x98/0x2b0 [ 79.937311][ T5625] el0_svc_common+0x138/0x258 [ 79.938054][ T5625] do_el0_svc+0x58/0x13c [ 79.938779][ T5625] el0_svc+0x78/0x1d0 [ 79.939448][ T5625] el0t_64_sync_handler+0xcc/0xe4 [ 79.940262][ T5625] el0t_64_sync+0x1a0/0x1a4 [ 79.956975][ T5620] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.959211][ T5620] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.971689][ T5625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.975895][ T5625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.115994][ T5629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.117288][ T5629] CPU: 0 PID: 5629 Comm: syz.1.45 Not tainted syzkaller #0 [ 80.118528][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.120311][ T5629] Call trace: [ 80.120900][ T5629] dump_backtrace+0x0/0x458 [ 80.121680][ T5629] show_stack+0x2c/0x3c [ 80.122384][ T5629] __dump_stack+0x30/0x40 [ 80.123120][ T5629] dump_stack_lvl+0xf4/0x15c [ 80.123865][ T5629] dump_stack+0x1c/0x5c [ 80.124529][ T5629] sysfs_create_dir_ns+0x244/0x264 [ 80.125415][ T5629] kobject_add_internal+0x5ac/0xc3c [ 80.126273][ T5629] kobject_init_and_add+0x124/0x190 [ 80.127138][ T5629] gfs2_sys_fs_add+0x200/0x41c [ 80.127884][ T5629] gfs2_fill_super+0xddc/0x1a18 [ 80.128663][ T5629] get_tree_bdev+0x358/0x544 [ 80.129447][ T5629] gfs2_get_tree+0x54/0x1b4 [ 80.130140][ T5629] vfs_get_tree+0x90/0x274 [ 80.130836][ T5629] do_new_mount+0x228/0x810 [ 80.131562][ T5629] path_mount+0x5bc/0x1008 [ 80.132300][ T5629] __arm64_sys_mount+0x514/0x5f0 [ 80.133111][ T5629] invoke_syscall+0x98/0x2b0 [ 80.133879][ T5629] el0_svc_common+0x138/0x258 [ 80.134616][ T5629] do_el0_svc+0x58/0x13c [ 80.135333][ T5629] el0_svc+0x78/0x1d0 [ 80.135969][ T5629] el0t_64_sync_handler+0xcc/0xe4 [ 80.136750][ T5629] el0t_64_sync+0x1a0/0x1a4 [ 80.168100][ T5629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.170172][ T5629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.172741][ T5627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.173976][ T5627] CPU: 1 PID: 5627 Comm: syz.2.44 Not tainted syzkaller #0 [ 80.175223][ T5627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.176934][ T5627] Call trace: [ 80.177482][ T5627] dump_backtrace+0x0/0x458 [ 80.178258][ T5627] show_stack+0x2c/0x3c [ 80.178981][ T5627] __dump_stack+0x30/0x40 [ 80.179736][ T5627] dump_stack_lvl+0xf4/0x15c [ 80.180505][ T5627] dump_stack+0x1c/0x5c [ 80.181218][ T5627] sysfs_create_dir_ns+0x244/0x264 [ 80.182084][ T5627] kobject_add_internal+0x5ac/0xc3c [ 80.182954][ T5627] kobject_init_and_add+0x124/0x190 [ 80.183871][ T5627] gfs2_sys_fs_add+0x200/0x41c [ 80.184675][ T5627] gfs2_fill_super+0xddc/0x1a18 [ 80.185514][ T5627] get_tree_bdev+0x358/0x544 [ 80.186272][ T5627] gfs2_get_tree+0x54/0x1b4 [ 80.187016][ T5627] vfs_get_tree+0x90/0x274 [ 80.187779][ T5627] do_new_mount+0x228/0x810 [ 80.188522][ T5627] path_mount+0x5bc/0x1008 [ 80.189264][ T5627] __arm64_sys_mount+0x514/0x5f0 [ 80.190102][ T5627] invoke_syscall+0x98/0x2b0 [ 80.190844][ T5627] el0_svc_common+0x138/0x258 [ 80.191606][ T5627] do_el0_svc+0x58/0x13c [ 80.192299][ T5627] el0_svc+0x78/0x1d0 [ 80.192966][ T5627] el0t_64_sync_handler+0xcc/0xe4 [ 80.193823][ T5627] el0t_64_sync+0x1a0/0x1a4 [ 80.238145][ T5625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.239425][ T5625] CPU: 0 PID: 5625 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.239656][ T5627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.240552][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.242826][ T5627] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.244471][ T5625] Call trace: [ 80.246119][ T5625] dump_backtrace+0x0/0x458 [ 80.246936][ T5625] show_stack+0x2c/0x3c [ 80.247618][ T5625] __dump_stack+0x30/0x40 [ 80.248310][ T5625] dump_stack_lvl+0xf4/0x15c [ 80.249125][ T5625] dump_stack+0x1c/0x5c [ 80.249820][ T5625] sysfs_create_dir_ns+0x244/0x264 [ 80.250712][ T5625] kobject_add_internal+0x5ac/0xc3c [ 80.251581][ T5625] kobject_init_and_add+0x124/0x190 [ 80.252462][ T5625] gfs2_sys_fs_add+0x200/0x41c [ 80.253287][ T5625] gfs2_fill_super+0xddc/0x1a18 [ 80.254145][ T5625] get_tree_bdev+0x358/0x544 [ 80.254966][ T5625] gfs2_get_tree+0x54/0x1b4 [ 80.255703][ T5625] vfs_get_tree+0x90/0x274 [ 80.256447][ T5625] do_new_mount+0x228/0x810 [ 80.257205][ T5625] path_mount+0x5bc/0x1008 [ 80.257972][ T5625] __arm64_sys_mount+0x514/0x5f0 [ 80.258774][ T5625] invoke_syscall+0x98/0x2b0 [ 80.259541][ T5625] el0_svc_common+0x138/0x258 [ 80.260357][ T5625] do_el0_svc+0x58/0x13c [ 80.261098][ T5625] el0_svc+0x78/0x1d0 [ 80.261791][ T5625] el0t_64_sync_handler+0xcc/0xe4 [ 80.262637][ T5625] el0t_64_sync+0x1a0/0x1a4 [ 80.289087][ T5625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.291431][ T5625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.293180][ T5631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.294356][ T5631] CPU: 1 PID: 5631 Comm: syz.4.46 Not tainted syzkaller #0 [ 80.295427][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.297141][ T5631] Call trace: [ 80.297681][ T5631] dump_backtrace+0x0/0x458 [ 80.298443][ T5631] show_stack+0x2c/0x3c [ 80.299191][ T5631] __dump_stack+0x30/0x40 [ 80.299926][ T5631] dump_stack_lvl+0xf4/0x15c [ 80.300657][ T5631] dump_stack+0x1c/0x5c [ 80.301314][ T5631] sysfs_create_dir_ns+0x244/0x264 [ 80.302135][ T5631] kobject_add_internal+0x5ac/0xc3c [ 80.302947][ T5631] kobject_init_and_add+0x124/0x190 [ 80.303814][ T5631] gfs2_sys_fs_add+0x200/0x41c [ 80.304637][ T5631] gfs2_fill_super+0xddc/0x1a18 [ 80.305492][ T5631] get_tree_bdev+0x358/0x544 [ 80.306294][ T5631] gfs2_get_tree+0x54/0x1b4 [ 80.307066][ T5631] vfs_get_tree+0x90/0x274 [ 80.307817][ T5631] do_new_mount+0x228/0x810 [ 80.308599][ T5631] path_mount+0x5bc/0x1008 [ 80.309404][ T5631] __arm64_sys_mount+0x514/0x5f0 [ 80.310249][ T5631] invoke_syscall+0x98/0x2b0 [ 80.310972][ T5631] el0_svc_common+0x138/0x258 [ 80.311734][ T5631] do_el0_svc+0x58/0x13c [ 80.312438][ T5631] el0_svc+0x78/0x1d0 [ 80.313120][ T5631] el0t_64_sync_handler+0xcc/0xe4 [ 80.313911][ T5631] el0t_64_sync+0x1a0/0x1a4 [ 80.319941][ T5631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.330475][ T5631] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.380827][ T5629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.382276][ T5629] CPU: 1 PID: 5629 Comm: syz.1.45 Not tainted syzkaller #0 [ 80.383435][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.385023][ T5629] Call trace: [ 80.385495][ T5629] dump_backtrace+0x0/0x458 [ 80.386197][ T5629] show_stack+0x2c/0x3c [ 80.386907][ T5629] __dump_stack+0x30/0x40 [ 80.387640][ T5629] dump_stack_lvl+0xf4/0x15c [ 80.388413][ T5629] dump_stack+0x1c/0x5c [ 80.389051][ T5629] sysfs_create_dir_ns+0x244/0x264 [ 80.389857][ T5629] kobject_add_internal+0x5ac/0xc3c [ 80.390718][ T5629] kobject_init_and_add+0x124/0x190 [ 80.391598][ T5629] gfs2_sys_fs_add+0x200/0x41c [ 80.392376][ T5629] gfs2_fill_super+0xddc/0x1a18 [ 80.393196][ T5629] get_tree_bdev+0x358/0x544 [ 80.393990][ T5629] gfs2_get_tree+0x54/0x1b4 [ 80.394738][ T5629] vfs_get_tree+0x90/0x274 [ 80.395528][ T5629] do_new_mount+0x228/0x810 [ 80.396332][ T5629] path_mount+0x5bc/0x1008 [ 80.397114][ T5629] __arm64_sys_mount+0x514/0x5f0 [ 80.397989][ T5629] invoke_syscall+0x98/0x2b0 [ 80.398762][ T5629] el0_svc_common+0x138/0x258 [ 80.399547][ T5629] do_el0_svc+0x58/0x13c [ 80.400294][ T5629] el0_svc+0x78/0x1d0 [ 80.400913][ T5629] el0t_64_sync_handler+0xcc/0xe4 [ 80.401814][ T5629] el0t_64_sync+0x1a0/0x1a4 [ 80.422540][ T5629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.424862][ T5629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.547717][ T5633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.549032][ T5633] CPU: 1 PID: 5633 Comm: syz.0.47 Not tainted syzkaller #0 [ 80.550121][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.551725][ T5633] Call trace: [ 80.552293][ T5633] dump_backtrace+0x0/0x458 [ 80.553109][ T5633] show_stack+0x2c/0x3c [ 80.553806][ T5633] __dump_stack+0x30/0x40 [ 80.554531][ T5633] dump_stack_lvl+0xf4/0x15c [ 80.555278][ T5633] dump_stack+0x1c/0x5c [ 80.555975][ T5633] sysfs_create_dir_ns+0x244/0x264 [ 80.556833][ T5633] kobject_add_internal+0x5ac/0xc3c [ 80.557709][ T5633] kobject_init_and_add+0x124/0x190 [ 80.558549][ T5633] gfs2_sys_fs_add+0x200/0x41c [ 80.559356][ T5633] gfs2_fill_super+0xddc/0x1a18 [ 80.560092][ T5633] get_tree_bdev+0x358/0x544 [ 80.560798][ T5633] gfs2_get_tree+0x54/0x1b4 [ 80.561516][ T5633] vfs_get_tree+0x90/0x274 [ 80.562262][ T5633] do_new_mount+0x228/0x810 [ 80.563003][ T5633] path_mount+0x5bc/0x1008 [ 80.563678][ T5633] __arm64_sys_mount+0x514/0x5f0 [ 80.564460][ T5633] invoke_syscall+0x98/0x2b0 [ 80.565248][ T5633] el0_svc_common+0x138/0x258 [ 80.566033][ T5633] do_el0_svc+0x58/0x13c [ 80.566784][ T5633] el0_svc+0x78/0x1d0 [ 80.567477][ T5633] el0t_64_sync_handler+0xcc/0xe4 [ 80.568330][ T5633] el0t_64_sync+0x1a0/0x1a4 [ 80.600182][ T5633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.605172][ T5633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.676353][ T5627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.677524][ T5627] CPU: 1 PID: 5627 Comm: syz.2.44 Not tainted syzkaller #0 [ 80.678688][ T5627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.680543][ T5627] Call trace: [ 80.681108][ T5627] dump_backtrace+0x0/0x458 [ 80.681876][ T5627] show_stack+0x2c/0x3c [ 80.682583][ T5627] __dump_stack+0x30/0x40 [ 80.683303][ T5627] dump_stack_lvl+0xf4/0x15c [ 80.684088][ T5627] dump_stack+0x1c/0x5c [ 80.684784][ T5627] sysfs_create_dir_ns+0x244/0x264 [ 80.685661][ T5627] kobject_add_internal+0x5ac/0xc3c [ 80.686521][ T5627] kobject_init_and_add+0x124/0x190 [ 80.687402][ T5627] gfs2_sys_fs_add+0x200/0x41c [ 80.688220][ T5627] gfs2_fill_super+0xddc/0x1a18 [ 80.689042][ T5627] get_tree_bdev+0x358/0x544 [ 80.689821][ T5627] gfs2_get_tree+0x54/0x1b4 [ 80.690554][ T5627] vfs_get_tree+0x90/0x274 [ 80.691250][ T5627] do_new_mount+0x228/0x810 [ 80.691959][ T5627] path_mount+0x5bc/0x1008 [ 80.692692][ T5627] __arm64_sys_mount+0x514/0x5f0 [ 80.693493][ T5627] invoke_syscall+0x98/0x2b0 [ 80.694233][ T5627] el0_svc_common+0x138/0x258 [ 80.694978][ T5627] do_el0_svc+0x58/0x13c [ 80.695660][ T5627] el0_svc+0x78/0x1d0 [ 80.696286][ T5627] el0t_64_sync_handler+0xcc/0xe4 [ 80.697087][ T5627] el0t_64_sync+0x1a0/0x1a4 [ 80.700027][ T5631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.701268][ T5631] CPU: 0 PID: 5631 Comm: syz.4.46 Not tainted syzkaller #0 [ 80.702434][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.704042][ T5631] Call trace: [ 80.704579][ T5631] dump_backtrace+0x0/0x458 [ 80.705335][ T5631] show_stack+0x2c/0x3c [ 80.706030][ T5631] __dump_stack+0x30/0x40 [ 80.706776][ T5631] dump_stack_lvl+0xf4/0x15c [ 80.707543][ T5631] dump_stack+0x1c/0x5c [ 80.708238][ T5631] sysfs_create_dir_ns+0x244/0x264 [ 80.709122][ T5631] kobject_add_internal+0x5ac/0xc3c [ 80.710018][ T5631] kobject_init_and_add+0x124/0x190 [ 80.710892][ T5631] gfs2_sys_fs_add+0x200/0x41c [ 80.711724][ T5631] gfs2_fill_super+0xddc/0x1a18 [ 80.712531][ T5631] get_tree_bdev+0x358/0x544 [ 80.713255][ T5631] gfs2_get_tree+0x54/0x1b4 [ 80.713965][ T5631] vfs_get_tree+0x90/0x274 [ 80.714683][ T5631] do_new_mount+0x228/0x810 [ 80.715461][ T5631] path_mount+0x5bc/0x1008 [ 80.716193][ T5631] __arm64_sys_mount+0x514/0x5f0 [ 80.717046][ T5631] invoke_syscall+0x98/0x2b0 [ 80.717855][ T5631] el0_svc_common+0x138/0x258 [ 80.718641][ T5631] do_el0_svc+0x58/0x13c [ 80.719403][ T5631] el0_svc+0x78/0x1d0 [ 80.720048][ T5631] el0t_64_sync_handler+0xcc/0xe4 [ 80.720941][ T5631] el0t_64_sync+0x1a0/0x1a4 [ 80.735733][ T5627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.737874][ T5627] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.753948][ T5631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.756367][ T5631] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.782955][ T5635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.784144][ T5635] CPU: 0 PID: 5635 Comm: syz.1.48 Not tainted syzkaller #0 [ 80.785354][ T5635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.787030][ T5635] Call trace: [ 80.787637][ T5635] dump_backtrace+0x0/0x458 [ 80.788430][ T5635] show_stack+0x2c/0x3c [ 80.789155][ T5635] __dump_stack+0x30/0x40 [ 80.789971][ T5635] dump_stack_lvl+0xf4/0x15c [ 80.790772][ T5635] dump_stack+0x1c/0x5c [ 80.791464][ T5635] sysfs_create_dir_ns+0x244/0x264 [ 80.792384][ T5635] kobject_add_internal+0x5ac/0xc3c [ 80.793239][ T5635] kobject_init_and_add+0x124/0x190 [ 80.794163][ T5635] gfs2_sys_fs_add+0x200/0x41c [ 80.794988][ T5635] gfs2_fill_super+0xddc/0x1a18 [ 80.795903][ T5635] get_tree_bdev+0x358/0x544 [ 80.796781][ T5635] gfs2_get_tree+0x54/0x1b4 [ 80.797530][ T5635] vfs_get_tree+0x90/0x274 [ 80.798251][ T5635] do_new_mount+0x228/0x810 [ 80.799045][ T5635] path_mount+0x5bc/0x1008 [ 80.799819][ T5635] __arm64_sys_mount+0x514/0x5f0 [ 80.800715][ T5635] invoke_syscall+0x98/0x2b0 [ 80.801547][ T5635] el0_svc_common+0x138/0x258 [ 80.802358][ T5635] do_el0_svc+0x58/0x13c [ 80.803143][ T5635] el0_svc+0x78/0x1d0 [ 80.803764][ T5635] el0t_64_sync_handler+0xcc/0xe4 [ 80.804572][ T5635] el0t_64_sync+0x1a0/0x1a4 [ 80.815486][ T5633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.817276][ T5633] CPU: 0 PID: 5633 Comm: syz.0.47 Not tainted syzkaller #0 [ 80.818378][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.819949][ T5633] Call trace: [ 80.820505][ T5633] dump_backtrace+0x0/0x458 [ 80.821253][ T5633] show_stack+0x2c/0x3c [ 80.821934][ T5633] __dump_stack+0x30/0x40 [ 80.822671][ T5633] dump_stack_lvl+0xf4/0x15c [ 80.823438][ T5633] dump_stack+0x1c/0x5c [ 80.824110][ T5633] sysfs_create_dir_ns+0x244/0x264 [ 80.824720][ T5635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.824957][ T5633] kobject_add_internal+0x5ac/0xc3c [ 80.827004][ T5635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.827852][ T5633] kobject_init_and_add+0x124/0x190 [ 80.829685][ T5633] gfs2_sys_fs_add+0x200/0x41c [ 80.830498][ T5633] gfs2_fill_super+0xddc/0x1a18 [ 80.831224][ T5633] get_tree_bdev+0x358/0x544 [ 80.831932][ T5633] gfs2_get_tree+0x54/0x1b4 [ 80.832649][ T5633] vfs_get_tree+0x90/0x274 [ 80.833368][ T5633] do_new_mount+0x228/0x810 [ 80.834156][ T5633] path_mount+0x5bc/0x1008 [ 80.834889][ T5633] __arm64_sys_mount+0x514/0x5f0 [ 80.835706][ T5633] invoke_syscall+0x98/0x2b0 [ 80.836490][ T5633] el0_svc_common+0x138/0x258 [ 80.837276][ T5633] do_el0_svc+0x58/0x13c [ 80.838015][ T5633] el0_svc+0x78/0x1d0 [ 80.838669][ T5633] el0t_64_sync_handler+0xcc/0xe4 [ 80.839454][ T5633] el0t_64_sync+0x1a0/0x1a4 [ 80.864589][ T5633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.867288][ T5633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.077626][ T5635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.078860][ T5635] CPU: 1 PID: 5635 Comm: syz.1.48 Not tainted syzkaller #0 [ 81.080104][ T5635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.081724][ T5635] Call trace: [ 81.082252][ T5635] dump_backtrace+0x0/0x458 [ 81.083032][ T5635] show_stack+0x2c/0x3c [ 81.083750][ T5635] __dump_stack+0x30/0x40 [ 81.084427][ T5635] dump_stack_lvl+0xf4/0x15c [ 81.085243][ T5635] dump_stack+0x1c/0x5c [ 81.085962][ T5635] sysfs_create_dir_ns+0x244/0x264 [ 81.086803][ T5635] kobject_add_internal+0x5ac/0xc3c [ 81.087630][ T5635] kobject_init_and_add+0x124/0x190 [ 81.088558][ T5635] gfs2_sys_fs_add+0x200/0x41c [ 81.089413][ T5635] gfs2_fill_super+0xddc/0x1a18 [ 81.090237][ T5635] get_tree_bdev+0x358/0x544 [ 81.091030][ T5635] gfs2_get_tree+0x54/0x1b4 [ 81.091752][ T5635] vfs_get_tree+0x90/0x274 [ 81.092547][ T5635] do_new_mount+0x228/0x810 [ 81.093277][ T5635] path_mount+0x5bc/0x1008 [ 81.093975][ T5635] __arm64_sys_mount+0x514/0x5f0 [ 81.094814][ T5635] invoke_syscall+0x98/0x2b0 [ 81.095629][ T5635] el0_svc_common+0x138/0x258 [ 81.096435][ T5635] do_el0_svc+0x58/0x13c [ 81.097128][ T5635] el0_svc+0x78/0x1d0 [ 81.097761][ T5635] el0t_64_sync_handler+0xcc/0xe4 [ 81.098579][ T5635] el0t_64_sync+0x1a0/0x1a4 [ 81.109959][ T5635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.112272][ T5635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.142999][ T5637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.144317][ T5637] CPU: 1 PID: 5637 Comm: syz.4.49 Not tainted syzkaller #0 [ 81.145523][ T5637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.147137][ T5637] Call trace: [ 81.147630][ T5637] dump_backtrace+0x0/0x458 [ 81.148309][ T5637] show_stack+0x2c/0x3c [ 81.148991][ T5637] __dump_stack+0x30/0x40 [ 81.149661][ T5637] dump_stack_lvl+0xf4/0x15c [ 81.150437][ T5637] dump_stack+0x1c/0x5c [ 81.151132][ T5637] sysfs_create_dir_ns+0x244/0x264 [ 81.151988][ T5637] kobject_add_internal+0x5ac/0xc3c [ 81.152412][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.152846][ T5637] kobject_init_and_add+0x124/0x190 [ 81.154972][ T5637] gfs2_sys_fs_add+0x200/0x41c [ 81.155772][ T5637] gfs2_fill_super+0xddc/0x1a18 [ 81.156588][ T5637] get_tree_bdev+0x358/0x544 [ 81.157358][ T5637] gfs2_get_tree+0x54/0x1b4 [ 81.158069][ T5637] vfs_get_tree+0x90/0x274 [ 81.158808][ T5637] do_new_mount+0x228/0x810 [ 81.159561][ T5637] path_mount+0x5bc/0x1008 [ 81.160317][ T5637] __arm64_sys_mount+0x514/0x5f0 [ 81.161148][ T5637] invoke_syscall+0x98/0x2b0 [ 81.161914][ T5637] el0_svc_common+0x138/0x258 [ 81.162182][ T5641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.162688][ T5637] do_el0_svc+0x58/0x13c [ 81.164556][ T5637] el0_svc+0x78/0x1d0 [ 81.165232][ T5637] el0t_64_sync_handler+0xcc/0xe4 [ 81.166100][ T5637] el0t_64_sync+0x1a0/0x1a4 [ 81.166854][ T5641] CPU: 0 PID: 5641 Comm: syz.0.51 Not tainted syzkaller #0 [ 81.167855][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.169417][ T5641] Call trace: [ 81.169930][ T5641] dump_backtrace+0x0/0x458 [ 81.170689][ T5641] show_stack+0x2c/0x3c [ 81.171335][ T5641] __dump_stack+0x30/0x40 [ 81.172051][ T5641] dump_stack_lvl+0xf4/0x15c [ 81.172847][ T5641] dump_stack+0x1c/0x5c [ 81.173569][ T5641] sysfs_create_dir_ns+0x244/0x264 [ 81.174447][ T5641] kobject_add_internal+0x5ac/0xc3c [ 81.175296][ T5641] kobject_init_and_add+0x124/0x190 [ 81.176150][ T5641] gfs2_sys_fs_add+0x200/0x41c [ 81.176988][ T5641] gfs2_fill_super+0xddc/0x1a18 [ 81.177865][ T5641] get_tree_bdev+0x358/0x544 [ 81.178639][ T5641] gfs2_get_tree+0x54/0x1b4 [ 81.179417][ T5641] vfs_get_tree+0x90/0x274 [ 81.180160][ T5641] do_new_mount+0x228/0x810 [ 81.180866][ T5641] path_mount+0x5bc/0x1008 [ 81.181563][ T5641] __arm64_sys_mount+0x514/0x5f0 [ 81.182343][ T5641] invoke_syscall+0x98/0x2b0 [ 81.183122][ T5641] el0_svc_common+0x138/0x258 [ 81.183870][ T5641] do_el0_svc+0x58/0x13c [ 81.184533][ T5641] el0_svc+0x78/0x1d0 [ 81.185158][ T5641] el0t_64_sync_handler+0xcc/0xe4 [ 81.185992][ T5641] el0t_64_sync+0x1a0/0x1a4 [ 81.192114][ T5639] CPU: 0 PID: 5639 Comm: syz.2.50 Not tainted syzkaller #0 [ 81.193353][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.194996][ T5639] Call trace: [ 81.195541][ T5639] dump_backtrace+0x0/0x458 [ 81.196308][ T5639] show_stack+0x2c/0x3c [ 81.197068][ T5639] __dump_stack+0x30/0x40 [ 81.197804][ T5639] dump_stack_lvl+0xf4/0x15c [ 81.198538][ T5639] dump_stack+0x1c/0x5c [ 81.199253][ T5639] sysfs_create_dir_ns+0x244/0x264 [ 81.200108][ T5639] kobject_add_internal+0x5ac/0xc3c [ 81.200965][ T5639] kobject_init_and_add+0x124/0x190 [ 81.201828][ T5639] gfs2_sys_fs_add+0x200/0x41c [ 81.201970][ T5637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.202648][ T5639] gfs2_fill_super+0xddc/0x1a18 [ 81.202663][ T5639] get_tree_bdev+0x358/0x544 [ 81.202670][ T5639] gfs2_get_tree+0x54/0x1b4 [ 81.202674][ T5639] vfs_get_tree+0x90/0x274 [ 81.202679][ T5639] do_new_mount+0x228/0x810 [ 81.202683][ T5639] path_mount+0x5bc/0x1008 [ 81.202687][ T5639] __arm64_sys_mount+0x514/0x5f0 [ 81.202692][ T5639] invoke_syscall+0x98/0x2b0 [ 81.202697][ T5639] el0_svc_common+0x138/0x258 [ 81.202701][ T5639] do_el0_svc+0x58/0x13c [ 81.202706][ T5639] el0_svc+0x78/0x1d0 [ 81.202711][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 81.202716][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 81.212082][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.216365][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.231128][ T5637] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.232109][ T5641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.236013][ T5641] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.394008][ T5643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.395270][ T5643] CPU: 0 PID: 5643 Comm: syz.1.52 Not tainted syzkaller #0 [ 81.396373][ T5643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.397998][ T5643] Call trace: [ 81.398523][ T5643] dump_backtrace+0x0/0x458 [ 81.399299][ T5643] show_stack+0x2c/0x3c [ 81.400018][ T5643] __dump_stack+0x30/0x40 [ 81.400805][ T5643] dump_stack_lvl+0xf4/0x15c [ 81.401566][ T5643] dump_stack+0x1c/0x5c [ 81.402281][ T5643] sysfs_create_dir_ns+0x244/0x264 [ 81.403183][ T5643] kobject_add_internal+0x5ac/0xc3c [ 81.404043][ T5643] kobject_init_and_add+0x124/0x190 [ 81.404877][ T5643] gfs2_sys_fs_add+0x200/0x41c [ 81.405650][ T5643] gfs2_fill_super+0xddc/0x1a18 [ 81.406474][ T5643] get_tree_bdev+0x358/0x544 [ 81.407301][ T5643] gfs2_get_tree+0x54/0x1b4 [ 81.408073][ T5643] vfs_get_tree+0x90/0x274 [ 81.408827][ T5643] do_new_mount+0x228/0x810 [ 81.409637][ T5643] path_mount+0x5bc/0x1008 [ 81.410399][ T5643] __arm64_sys_mount+0x514/0x5f0 [ 81.411276][ T5643] invoke_syscall+0x98/0x2b0 [ 81.412056][ T5643] el0_svc_common+0x138/0x258 [ 81.412862][ T5643] do_el0_svc+0x58/0x13c [ 81.413574][ T5643] el0_svc+0x78/0x1d0 [ 81.414264][ T5643] el0t_64_sync_handler+0xcc/0xe4 [ 81.415085][ T5643] el0t_64_sync+0x1a0/0x1a4 [ 81.454212][ T5643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.456435][ T5643] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.493001][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.494323][ T5639] CPU: 0 PID: 5639 Comm: syz.2.50 Not tainted syzkaller #0 [ 81.495549][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.497352][ T5639] Call trace: [ 81.497853][ T5639] dump_backtrace+0x0/0x458 [ 81.498583][ T5639] show_stack+0x2c/0x3c [ 81.499255][ T5639] __dump_stack+0x30/0x40 [ 81.499967][ T5639] dump_stack_lvl+0xf4/0x15c [ 81.500479][ T5637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.500751][ T5639] dump_stack+0x1c/0x5c [ 81.502609][ T5639] sysfs_create_dir_ns+0x244/0x264 [ 81.503463][ T5639] kobject_add_internal+0x5ac/0xc3c [ 81.504302][ T5639] kobject_init_and_add+0x124/0x190 [ 81.505155][ T5639] gfs2_sys_fs_add+0x200/0x41c [ 81.505953][ T5639] gfs2_fill_super+0xddc/0x1a18 [ 81.506736][ T5639] get_tree_bdev+0x358/0x544 [ 81.507478][ T5639] gfs2_get_tree+0x54/0x1b4 [ 81.508230][ T5639] vfs_get_tree+0x90/0x274 [ 81.508960][ T5639] do_new_mount+0x228/0x810 [ 81.509686][ T5639] path_mount+0x5bc/0x1008 [ 81.510396][ T5639] __arm64_sys_mount+0x514/0x5f0 [ 81.511215][ T5639] invoke_syscall+0x98/0x2b0 [ 81.511938][ T5639] el0_svc_common+0x138/0x258 [ 81.512669][ T5639] do_el0_svc+0x58/0x13c [ 81.513349][ T5639] el0_svc+0x78/0x1d0 [ 81.514006][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 81.514832][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 81.515998][ T5637] CPU: 1 PID: 5637 Comm: syz.4.49 Not tainted syzkaller #0 [ 81.517124][ T5637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.518725][ T5637] Call trace: [ 81.519254][ T5637] dump_backtrace+0x0/0x458 [ 81.519685][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.520027][ T5637] show_stack+0x2c/0x3c [ 81.522028][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.522728][ T5637] __dump_stack+0x30/0x40 [ 81.524442][ T5637] dump_stack_lvl+0xf4/0x15c [ 81.525253][ T5637] dump_stack+0x1c/0x5c [ 81.525936][ T5637] sysfs_create_dir_ns+0x244/0x264 [ 81.526764][ T5637] kobject_add_internal+0x5ac/0xc3c [ 81.527604][ T5637] kobject_init_and_add+0x124/0x190 [ 81.528451][ T5637] gfs2_sys_fs_add+0x200/0x41c [ 81.529226][ T5637] gfs2_fill_super+0xddc/0x1a18 [ 81.530048][ T5637] get_tree_bdev+0x358/0x544 [ 81.530822][ T5637] gfs2_get_tree+0x54/0x1b4 [ 81.531595][ T5637] vfs_get_tree+0x90/0x274 [ 81.532334][ T5637] do_new_mount+0x228/0x810 [ 81.533076][ T5637] path_mount+0x5bc/0x1008 [ 81.533783][ T5637] __arm64_sys_mount+0x514/0x5f0 [ 81.534618][ T5637] invoke_syscall+0x98/0x2b0 [ 81.535395][ T5637] el0_svc_common+0x138/0x258 [ 81.536088][ T5637] do_el0_svc+0x58/0x13c [ 81.536747][ T5637] el0_svc+0x78/0x1d0 [ 81.537411][ T5637] el0t_64_sync_handler+0xcc/0xe4 [ 81.538203][ T5637] el0t_64_sync+0x1a0/0x1a4 [ 81.542489][ T5641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.543637][ T5641] CPU: 1 PID: 5641 Comm: syz.0.51 Not tainted syzkaller #0 [ 81.544812][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.546392][ T5641] Call trace: [ 81.546912][ T5641] dump_backtrace+0x0/0x458 [ 81.547654][ T5641] show_stack+0x2c/0x3c [ 81.548300][ T5641] __dump_stack+0x30/0x40 [ 81.548986][ T5641] dump_stack_lvl+0xf4/0x15c [ 81.549682][ T5641] dump_stack+0x1c/0x5c [ 81.550334][ T5641] sysfs_create_dir_ns+0x244/0x264 [ 81.551147][ T5641] kobject_add_internal+0x5ac/0xc3c [ 81.551996][ T5641] kobject_init_and_add+0x124/0x190 [ 81.552821][ T5641] gfs2_sys_fs_add+0x200/0x41c [ 81.553648][ T5641] gfs2_fill_super+0xddc/0x1a18 [ 81.554483][ T5641] get_tree_bdev+0x358/0x544 [ 81.555229][ T5641] gfs2_get_tree+0x54/0x1b4 [ 81.555975][ T5641] vfs_get_tree+0x90/0x274 [ 81.556723][ T5641] do_new_mount+0x228/0x810 [ 81.557435][ T5641] path_mount+0x5bc/0x1008 [ 81.558168][ T5641] __arm64_sys_mount+0x514/0x5f0 [ 81.559003][ T5641] invoke_syscall+0x98/0x2b0 [ 81.559748][ T5641] el0_svc_common+0x138/0x258 [ 81.560512][ T5641] do_el0_svc+0x58/0x13c [ 81.561242][ T5641] el0_svc+0x78/0x1d0 [ 81.561916][ T5641] el0t_64_sync_handler+0xcc/0xe4 [ 81.562764][ T5641] el0t_64_sync+0x1a0/0x1a4 [ 81.565361][ T5641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.567381][ T5641] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.572274][ T5637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.577123][ T5637] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.823350][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.824702][ T5645] CPU: 1 PID: 5645 Comm: syz.0.54 Not tainted syzkaller #0 [ 81.825892][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.827591][ T5645] Call trace: [ 81.828112][ T5645] dump_backtrace+0x0/0x458 [ 81.828867][ T5645] show_stack+0x2c/0x3c [ 81.829621][ T5645] __dump_stack+0x30/0x40 [ 81.830369][ T5645] dump_stack_lvl+0xf4/0x15c [ 81.831121][ T5645] dump_stack+0x1c/0x5c [ 81.831741][ T5645] sysfs_create_dir_ns+0x244/0x264 [ 81.832529][ T5645] kobject_add_internal+0x5ac/0xc3c [ 81.833332][ T5645] kobject_init_and_add+0x124/0x190 [ 81.834134][ T5645] gfs2_sys_fs_add+0x200/0x41c [ 81.834864][ T5645] gfs2_fill_super+0xddc/0x1a18 [ 81.835601][ T5645] get_tree_bdev+0x358/0x544 [ 81.836326][ T5645] gfs2_get_tree+0x54/0x1b4 [ 81.837045][ T5645] vfs_get_tree+0x90/0x274 [ 81.837737][ T5645] do_new_mount+0x228/0x810 [ 81.838454][ T5645] path_mount+0x5bc/0x1008 [ 81.839150][ T5645] __arm64_sys_mount+0x514/0x5f0 [ 81.839889][ T5645] invoke_syscall+0x98/0x2b0 [ 81.840609][ T5645] el0_svc_common+0x138/0x258 [ 81.841401][ T5645] do_el0_svc+0x58/0x13c [ 81.842091][ T5645] el0_svc+0x78/0x1d0 [ 81.842756][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 81.843607][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 81.858602][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.860837][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.893909][ T5643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.895107][ T5643] CPU: 0 PID: 5643 Comm: syz.1.52 Not tainted syzkaller #0 [ 81.896328][ T5643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.897492][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.897978][ T5643] Call trace: [ 81.899743][ T5643] dump_backtrace+0x0/0x458 [ 81.900488][ T5643] show_stack+0x2c/0x3c [ 81.901165][ T5643] __dump_stack+0x30/0x40 [ 81.901873][ T5643] dump_stack_lvl+0xf4/0x15c [ 81.902655][ T5643] dump_stack+0x1c/0x5c [ 81.903383][ T5643] sysfs_create_dir_ns+0x244/0x264 [ 81.904262][ T5643] kobject_add_internal+0x5ac/0xc3c [ 81.905177][ T5643] kobject_init_and_add+0x124/0x190 [ 81.906084][ T5643] gfs2_sys_fs_add+0x200/0x41c [ 81.906919][ T5643] gfs2_fill_super+0xddc/0x1a18 [ 81.907679][ T5643] get_tree_bdev+0x358/0x544 [ 81.908410][ T5643] gfs2_get_tree+0x54/0x1b4 [ 81.909179][ T5643] vfs_get_tree+0x90/0x274 [ 81.909947][ T5643] do_new_mount+0x228/0x810 [ 81.910673][ T5643] path_mount+0x5bc/0x1008 [ 81.911365][ T5643] __arm64_sys_mount+0x514/0x5f0 [ 81.912155][ T5643] invoke_syscall+0x98/0x2b0 [ 81.912897][ T5643] el0_svc_common+0x138/0x258 [ 81.913677][ T5643] do_el0_svc+0x58/0x13c [ 81.914389][ T5643] el0_svc+0x78/0x1d0 [ 81.915090][ T5643] el0t_64_sync_handler+0xcc/0xe4 [ 81.915964][ T5643] el0t_64_sync+0x1a0/0x1a4 [ 81.918314][ T5647] CPU: 1 PID: 5647 Comm: syz.4.55 Not tainted syzkaller #0 [ 81.919498][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.921038][ T5647] Call trace: [ 81.921549][ T5647] dump_backtrace+0x0/0x458 [ 81.922307][ T5647] show_stack+0x2c/0x3c [ 81.922574][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.923025][ T5647] __dump_stack+0x30/0x40 [ 81.924881][ T5647] dump_stack_lvl+0xf4/0x15c [ 81.925616][ T5647] dump_stack+0x1c/0x5c [ 81.926275][ T5647] sysfs_create_dir_ns+0x244/0x264 [ 81.927142][ T5647] kobject_add_internal+0x5ac/0xc3c [ 81.927988][ T5647] kobject_init_and_add+0x124/0x190 [ 81.928857][ T5647] gfs2_sys_fs_add+0x200/0x41c [ 81.929664][ T5647] gfs2_fill_super+0xddc/0x1a18 [ 81.930533][ T5647] get_tree_bdev+0x358/0x544 [ 81.931309][ T5647] gfs2_get_tree+0x54/0x1b4 [ 81.932027][ T5647] vfs_get_tree+0x90/0x274 [ 81.932730][ T5647] do_new_mount+0x228/0x810 [ 81.933483][ T5647] path_mount+0x5bc/0x1008 [ 81.934187][ T5647] __arm64_sys_mount+0x514/0x5f0 [ 81.935039][ T5647] invoke_syscall+0x98/0x2b0 [ 81.935856][ T5647] el0_svc_common+0x138/0x258 [ 81.936636][ T5647] do_el0_svc+0x58/0x13c [ 81.937340][ T5647] el0_svc+0x78/0x1d0 [ 81.938018][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 81.938830][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 81.939654][ T5649] CPU: 0 PID: 5649 Comm: syz.2.53 Not tainted syzkaller #0 [ 81.940789][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.942418][ T5649] Call trace: [ 81.942982][ T5649] dump_backtrace+0x0/0x458 [ 81.943793][ T5649] show_stack+0x2c/0x3c [ 81.944479][ T5649] __dump_stack+0x30/0x40 [ 81.945191][ T5649] dump_stack_lvl+0xf4/0x15c [ 81.945961][ T5649] dump_stack+0x1c/0x5c [ 81.946685][ T5649] sysfs_create_dir_ns+0x244/0x264 [ 81.947552][ T5649] kobject_add_internal+0x5ac/0xc3c [ 81.948424][ T5649] kobject_init_and_add+0x124/0x190 [ 81.949271][ T5649] gfs2_sys_fs_add+0x200/0x41c [ 81.950021][ T5649] gfs2_fill_super+0xddc/0x1a18 [ 81.950864][ T5649] get_tree_bdev+0x358/0x544 [ 81.951611][ T5649] gfs2_get_tree+0x54/0x1b4 [ 81.952382][ T5649] vfs_get_tree+0x90/0x274 [ 81.953124][ T5649] do_new_mount+0x228/0x810 [ 81.953864][ T5649] path_mount+0x5bc/0x1008 [ 81.954649][ T5649] __arm64_sys_mount+0x514/0x5f0 [ 81.955462][ T5649] invoke_syscall+0x98/0x2b0 [ 81.956182][ T5649] el0_svc_common+0x138/0x258 [ 81.956975][ T5649] do_el0_svc+0x58/0x13c [ 81.957713][ T5649] el0_svc+0x78/0x1d0 [ 81.958399][ T5649] el0t_64_sync_handler+0xcc/0xe4 [ 81.959234][ T5649] el0t_64_sync+0x1a0/0x1a4 [ 81.963270][ T5643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.965933][ T5643] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.969197][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.971522][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.995247][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.997653][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.116538][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.117830][ T5645] CPU: 1 PID: 5645 Comm: syz.0.54 Not tainted syzkaller #0 [ 82.118923][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.120565][ T5645] Call trace: [ 82.121071][ T5645] dump_backtrace+0x0/0x458 [ 82.121805][ T5645] show_stack+0x2c/0x3c [ 82.122530][ T5645] __dump_stack+0x30/0x40 [ 82.123268][ T5645] dump_stack_lvl+0xf4/0x15c [ 82.124049][ T5645] dump_stack+0x1c/0x5c [ 82.124774][ T5645] sysfs_create_dir_ns+0x244/0x264 [ 82.125604][ T5645] kobject_add_internal+0x5ac/0xc3c [ 82.126507][ T5645] kobject_init_and_add+0x124/0x190 [ 82.127428][ T5645] gfs2_sys_fs_add+0x200/0x41c [ 82.128174][ T5645] gfs2_fill_super+0xddc/0x1a18 [ 82.129031][ T5645] get_tree_bdev+0x358/0x544 [ 82.129799][ T5645] gfs2_get_tree+0x54/0x1b4 [ 82.130578][ T5645] vfs_get_tree+0x90/0x274 [ 82.131294][ T5645] do_new_mount+0x228/0x810 [ 82.132084][ T5645] path_mount+0x5bc/0x1008 [ 82.132865][ T5645] __arm64_sys_mount+0x514/0x5f0 [ 82.133710][ T5645] invoke_syscall+0x98/0x2b0 [ 82.134472][ T5645] el0_svc_common+0x138/0x258 [ 82.135211][ T5645] do_el0_svc+0x58/0x13c [ 82.135911][ T5645] el0_svc+0x78/0x1d0 [ 82.136609][ T5645] el0t_64_sync_handler+0xcc/0xe4 [ 82.137424][ T5645] el0t_64_sync+0x1a0/0x1a4 [ 82.174134][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.176333][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.234483][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.235822][ T5649] CPU: 0 PID: 5649 Comm: syz.2.53 Not tainted syzkaller #0 [ 82.237065][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.238742][ T5649] Call trace: [ 82.239283][ T5649] dump_backtrace+0x0/0x458 [ 82.239980][ T5649] show_stack+0x2c/0x3c [ 82.240711][ T5649] __dump_stack+0x30/0x40 [ 82.241393][ T5649] dump_stack_lvl+0xf4/0x15c [ 82.242126][ T5649] dump_stack+0x1c/0x5c [ 82.242801][ T5649] sysfs_create_dir_ns+0x244/0x264 [ 82.243642][ T5649] kobject_add_internal+0x5ac/0xc3c [ 82.244487][ T5649] kobject_init_and_add+0x124/0x190 [ 82.245355][ T5649] gfs2_sys_fs_add+0x200/0x41c [ 82.246190][ T5649] gfs2_fill_super+0xddc/0x1a18 [ 82.247013][ T5649] get_tree_bdev+0x358/0x544 [ 82.247806][ T5649] gfs2_get_tree+0x54/0x1b4 [ 82.248554][ T5649] vfs_get_tree+0x90/0x274 [ 82.249309][ T5649] do_new_mount+0x228/0x810 [ 82.250044][ T5649] path_mount+0x5bc/0x1008 [ 82.250758][ T5649] __arm64_sys_mount+0x514/0x5f0 [ 82.251598][ T5649] invoke_syscall+0x98/0x2b0 [ 82.252379][ T5649] el0_svc_common+0x138/0x258 [ 82.253056][ T5649] do_el0_svc+0x58/0x13c [ 82.253764][ T5649] el0_svc+0x78/0x1d0 [ 82.254431][ T5649] el0t_64_sync_handler+0xcc/0xe4 [ 82.255232][ T5649] el0t_64_sync+0x1a0/0x1a4 [ 82.274023][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.276282][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.280066][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.281302][ T5647] CPU: 1 PID: 5647 Comm: syz.4.55 Not tainted syzkaller #0 [ 82.282460][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.284180][ T5647] Call trace: [ 82.284723][ T5647] dump_backtrace+0x0/0x458 [ 82.285495][ T5647] show_stack+0x2c/0x3c [ 82.286219][ T5647] __dump_stack+0x30/0x40 [ 82.286931][ T5647] dump_stack_lvl+0xf4/0x15c [ 82.287681][ T5647] dump_stack+0x1c/0x5c [ 82.288385][ T5647] sysfs_create_dir_ns+0x244/0x264 [ 82.289256][ T5647] kobject_add_internal+0x5ac/0xc3c [ 82.290157][ T5647] kobject_init_and_add+0x124/0x190 [ 82.291065][ T5647] gfs2_sys_fs_add+0x200/0x41c [ 82.291885][ T5647] gfs2_fill_super+0xddc/0x1a18 [ 82.292730][ T5647] get_tree_bdev+0x358/0x544 [ 82.293536][ T5647] gfs2_get_tree+0x54/0x1b4 [ 82.294315][ T5647] vfs_get_tree+0x90/0x274 [ 82.295070][ T5647] do_new_mount+0x228/0x810 [ 82.295847][ T5647] path_mount+0x5bc/0x1008 [ 82.296618][ T5647] __arm64_sys_mount+0x514/0x5f0 [ 82.297443][ T5647] invoke_syscall+0x98/0x2b0 [ 82.298201][ T5647] el0_svc_common+0x138/0x258 [ 82.299002][ T5647] do_el0_svc+0x58/0x13c [ 82.299688][ T5647] el0_svc+0x78/0x1d0 [ 82.300323][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 82.301138][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 82.304561][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.306641][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.342860][ T5651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.344030][ T5651] CPU: 0 PID: 5651 Comm: syz.1.56 Not tainted syzkaller #0 [ 82.345279][ T5651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.346913][ T5651] Call trace: [ 82.347416][ T5651] dump_backtrace+0x0/0x458 [ 82.348145][ T5651] show_stack+0x2c/0x3c [ 82.348791][ T5651] __dump_stack+0x30/0x40 [ 82.349489][ T5651] dump_stack_lvl+0xf4/0x15c [ 82.350272][ T5651] dump_stack+0x1c/0x5c [ 82.350904][ T5651] sysfs_create_dir_ns+0x244/0x264 [ 82.351763][ T5651] kobject_add_internal+0x5ac/0xc3c [ 82.352603][ T5651] kobject_init_and_add+0x124/0x190 [ 82.353464][ T5651] gfs2_sys_fs_add+0x200/0x41c [ 82.354288][ T5651] gfs2_fill_super+0xddc/0x1a18 [ 82.355096][ T5651] get_tree_bdev+0x358/0x544 [ 82.355862][ T5651] gfs2_get_tree+0x54/0x1b4 [ 82.356603][ T5651] vfs_get_tree+0x90/0x274 [ 82.357399][ T5651] do_new_mount+0x228/0x810 [ 82.358147][ T5651] path_mount+0x5bc/0x1008 [ 82.358899][ T5651] __arm64_sys_mount+0x514/0x5f0 [ 82.359709][ T5651] invoke_syscall+0x98/0x2b0 [ 82.360435][ T5651] el0_svc_common+0x138/0x258 [ 82.361165][ T5651] do_el0_svc+0x58/0x13c [ 82.361867][ T5651] el0_svc+0x78/0x1d0 [ 82.362525][ T5651] el0t_64_sync_handler+0xcc/0xe4 [ 82.363357][ T5651] el0t_64_sync+0x1a0/0x1a4 [ 82.382182][ T5651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.384501][ T5651] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.406209][ T5653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.407428][ T5653] CPU: 1 PID: 5653 Comm: syz.0.57 Not tainted syzkaller #0 [ 82.408456][ T5653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.409884][ T5653] Call trace: [ 82.410348][ T5653] dump_backtrace+0x0/0x458 [ 82.411023][ T5653] show_stack+0x2c/0x3c [ 82.411671][ T5653] __dump_stack+0x30/0x40 [ 82.412405][ T5653] dump_stack_lvl+0xf4/0x15c [ 82.413205][ T5653] dump_stack+0x1c/0x5c [ 82.413907][ T5653] sysfs_create_dir_ns+0x244/0x264 [ 82.414783][ T5653] kobject_add_internal+0x5ac/0xc3c [ 82.415672][ T5653] kobject_init_and_add+0x124/0x190 [ 82.416542][ T5653] gfs2_sys_fs_add+0x200/0x41c [ 82.417324][ T5653] gfs2_fill_super+0xddc/0x1a18 [ 82.418189][ T5653] get_tree_bdev+0x358/0x544 [ 82.418929][ T5653] gfs2_get_tree+0x54/0x1b4 [ 82.419723][ T5653] vfs_get_tree+0x90/0x274 [ 82.420447][ T5653] do_new_mount+0x228/0x810 [ 82.421221][ T5653] path_mount+0x5bc/0x1008 [ 82.421961][ T5653] __arm64_sys_mount+0x514/0x5f0 [ 82.422808][ T5653] invoke_syscall+0x98/0x2b0 [ 82.423597][ T5653] el0_svc_common+0x138/0x258 [ 82.424347][ T5653] do_el0_svc+0x58/0x13c [ 82.425056][ T5653] el0_svc+0x78/0x1d0 [ 82.425704][ T5653] el0t_64_sync_handler+0xcc/0xe4 [ 82.426557][ T5653] el0t_64_sync+0x1a0/0x1a4 [ 82.468641][ T5653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.470741][ T5653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.596327][ T5655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.597518][ T5655] CPU: 1 PID: 5655 Comm: syz.2.58 Not tainted syzkaller #0 [ 82.598762][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.600415][ T5655] Call trace: [ 82.600951][ T5655] dump_backtrace+0x0/0x458 [ 82.601703][ T5655] show_stack+0x2c/0x3c [ 82.602462][ T5655] __dump_stack+0x30/0x40 [ 82.603204][ T5655] dump_stack_lvl+0xf4/0x15c [ 82.603983][ T5655] dump_stack+0x1c/0x5c [ 82.604673][ T5655] sysfs_create_dir_ns+0x244/0x264 [ 82.605546][ T5655] kobject_add_internal+0x5ac/0xc3c [ 82.606426][ T5655] kobject_init_and_add+0x124/0x190 [ 82.607338][ T5655] gfs2_sys_fs_add+0x200/0x41c [ 82.608165][ T5655] gfs2_fill_super+0xddc/0x1a18 [ 82.609025][ T5655] get_tree_bdev+0x358/0x544 [ 82.609839][ T5655] gfs2_get_tree+0x54/0x1b4 [ 82.610634][ T5655] vfs_get_tree+0x90/0x274 [ 82.611366][ T5655] do_new_mount+0x228/0x810 [ 82.612096][ T5655] path_mount+0x5bc/0x1008 [ 82.612805][ T5655] __arm64_sys_mount+0x514/0x5f0 [ 82.613619][ T5655] invoke_syscall+0x98/0x2b0 [ 82.614362][ T5655] el0_svc_common+0x138/0x258 [ 82.615324][ T5655] do_el0_svc+0x58/0x13c [ 82.616017][ T5655] el0_svc+0x78/0x1d0 [ 82.616668][ T5655] el0t_64_sync_handler+0xcc/0xe4 [ 82.617473][ T5655] el0t_64_sync+0x1a0/0x1a4 [ 82.633054][ T5651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.634365][ T5651] CPU: 0 PID: 5651 Comm: syz.1.56 Not tainted syzkaller #0 [ 82.635520][ T5651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.637148][ T5651] Call trace: [ 82.637652][ T5651] dump_backtrace+0x0/0x458 [ 82.638465][ T5651] show_stack+0x2c/0x3c [ 82.639155][ T5651] __dump_stack+0x30/0x40 [ 82.639856][ T5651] dump_stack_lvl+0xf4/0x15c [ 82.640634][ T5651] dump_stack+0x1c/0x5c [ 82.641359][ T5651] sysfs_create_dir_ns+0x244/0x264 [ 82.642185][ T5651] kobject_add_internal+0x5ac/0xc3c [ 82.643026][ T5651] kobject_init_and_add+0x124/0x190 [ 82.643873][ T5651] gfs2_sys_fs_add+0x200/0x41c [ 82.644660][ T5651] gfs2_fill_super+0xddc/0x1a18 [ 82.645458][ T5651] get_tree_bdev+0x358/0x544 [ 82.646198][ T5651] gfs2_get_tree+0x54/0x1b4 [ 82.646947][ T5651] vfs_get_tree+0x90/0x274 [ 82.647731][ T5651] do_new_mount+0x228/0x810 [ 82.648463][ T5651] path_mount+0x5bc/0x1008 [ 82.649251][ T5651] __arm64_sys_mount+0x514/0x5f0 [ 82.650105][ T5651] invoke_syscall+0x98/0x2b0 [ 82.650945][ T5651] el0_svc_common+0x138/0x258 [ 82.651759][ T5651] do_el0_svc+0x58/0x13c [ 82.652470][ T5651] el0_svc+0x78/0x1d0 [ 82.653142][ T5651] el0t_64_sync_handler+0xcc/0xe4 [ 82.654033][ T5651] el0t_64_sync+0x1a0/0x1a4 [ 82.659230][ T5655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.661351][ T5655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.685058][ T5651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.689329][ T5651] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.702784][ T5657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.704138][ T5657] CPU: 0 PID: 5657 Comm: syz.4.59 Not tainted syzkaller #0 [ 82.705356][ T5657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.707050][ T5657] Call trace: [ 82.707599][ T5657] dump_backtrace+0x0/0x458 [ 82.708427][ T5657] show_stack+0x2c/0x3c [ 82.709197][ T5657] __dump_stack+0x30/0x40 [ 82.709980][ T5657] dump_stack_lvl+0xf4/0x15c [ 82.710896][ T5657] dump_stack+0x1c/0x5c [ 82.711617][ T5657] sysfs_create_dir_ns+0x244/0x264 [ 82.712505][ T5657] kobject_add_internal+0x5ac/0xc3c [ 82.713394][ T5657] kobject_init_and_add+0x124/0x190 [ 82.714312][ T5657] gfs2_sys_fs_add+0x200/0x41c [ 82.715051][ T5657] gfs2_fill_super+0xddc/0x1a18 [ 82.715911][ T5657] get_tree_bdev+0x358/0x544 [ 82.716698][ T5657] gfs2_get_tree+0x54/0x1b4 [ 82.717455][ T5657] vfs_get_tree+0x90/0x274 [ 82.718224][ T5657] do_new_mount+0x228/0x810 [ 82.718949][ T5657] path_mount+0x5bc/0x1008 [ 82.719640][ T5657] __arm64_sys_mount+0x514/0x5f0 [ 82.720439][ T5657] invoke_syscall+0x98/0x2b0 [ 82.721174][ T5657] el0_svc_common+0x138/0x258 [ 82.721939][ T5657] do_el0_svc+0x58/0x13c [ 82.722696][ T5657] el0_svc+0x78/0x1d0 [ 82.723361][ T5657] el0t_64_sync_handler+0xcc/0xe4 [ 82.724167][ T5657] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:22 executed programs: 55 [ 82.762000][ T5657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.767381][ T5657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.769991][ T5653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.771233][ T5653] CPU: 1 PID: 5653 Comm: syz.0.57 Not tainted syzkaller #0 [ 82.772452][ T5653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.774055][ T5653] Call trace: [ 82.774581][ T5653] dump_backtrace+0x0/0x458 [ 82.775284][ T5653] show_stack+0x2c/0x3c [ 82.776029][ T5653] __dump_stack+0x30/0x40 [ 82.776785][ T5653] dump_stack_lvl+0xf4/0x15c [ 82.777479][ T5653] dump_stack+0x1c/0x5c [ 82.778139][ T5653] sysfs_create_dir_ns+0x244/0x264 [ 82.778994][ T5653] kobject_add_internal+0x5ac/0xc3c [ 82.779804][ T5653] kobject_init_and_add+0x124/0x190 [ 82.780612][ T5653] gfs2_sys_fs_add+0x200/0x41c [ 82.781444][ T5653] gfs2_fill_super+0xddc/0x1a18 [ 82.782265][ T5653] get_tree_bdev+0x358/0x544 [ 82.782963][ T5653] gfs2_get_tree+0x54/0x1b4 [ 82.783734][ T5653] vfs_get_tree+0x90/0x274 [ 82.784552][ T5653] do_new_mount+0x228/0x810 [ 82.785287][ T5653] path_mount+0x5bc/0x1008 [ 82.786014][ T5653] __arm64_sys_mount+0x514/0x5f0 [ 82.786909][ T5653] invoke_syscall+0x98/0x2b0 [ 82.787728][ T5653] el0_svc_common+0x138/0x258 [ 82.788463][ T5653] do_el0_svc+0x58/0x13c [ 82.789150][ T5653] el0_svc+0x78/0x1d0 [ 82.789801][ T5653] el0t_64_sync_handler+0xcc/0xe4 [ 82.790568][ T5653] el0t_64_sync+0x1a0/0x1a4 [ 82.822949][ T5653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.831998][ T5653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.884697][ T5655] set_capacity_and_notify: 45 callbacks suppressed [ 82.884707][ T5655] loop2: detected capacity change from 0 to 32768 [ 82.926913][ T5655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.928238][ T5655] CPU: 1 PID: 5655 Comm: syz.2.58 Not tainted syzkaller #0 [ 82.929430][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.931012][ T5655] Call trace: [ 82.931539][ T5655] dump_backtrace+0x0/0x458 [ 82.932301][ T5655] show_stack+0x2c/0x3c [ 82.932957][ T5655] __dump_stack+0x30/0x40 [ 82.933634][ T5655] dump_stack_lvl+0xf4/0x15c [ 82.934396][ T5655] dump_stack+0x1c/0x5c [ 82.934996][ T5655] sysfs_create_dir_ns+0x244/0x264 [ 82.935761][ T5655] kobject_add_internal+0x5ac/0xc3c [ 82.936599][ T5655] kobject_init_and_add+0x124/0x190 [ 82.937400][ T5655] gfs2_sys_fs_add+0x200/0x41c [ 82.938195][ T5655] gfs2_fill_super+0xddc/0x1a18 [ 82.939030][ T5655] get_tree_bdev+0x358/0x544 [ 82.939844][ T5655] gfs2_get_tree+0x54/0x1b4 [ 82.940565][ T5655] vfs_get_tree+0x90/0x274 [ 82.941276][ T5655] do_new_mount+0x228/0x810 [ 82.941968][ T5655] path_mount+0x5bc/0x1008 [ 82.942650][ T5655] __arm64_sys_mount+0x514/0x5f0 [ 82.943434][ T5655] invoke_syscall+0x98/0x2b0 [ 82.944200][ T5655] el0_svc_common+0x138/0x258 [ 82.944978][ T5655] do_el0_svc+0x58/0x13c [ 82.945697][ T5655] el0_svc+0x78/0x1d0 [ 82.946362][ T5655] el0t_64_sync_handler+0xcc/0xe4 [ 82.947141][ T5655] el0t_64_sync+0x1a0/0x1a4 [ 82.964480][ T5659] loop1: detected capacity change from 0 to 32768 [ 82.974438][ T5659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.979644][ T5659] CPU: 0 PID: 5659 Comm: syz.1.60 Not tainted syzkaller #0 [ 82.980583][ T5655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.980790][ T5659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.982940][ T5655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.984273][ T5659] Call trace: [ 82.985784][ T5659] dump_backtrace+0x0/0x458 [ 82.986490][ T5659] show_stack+0x2c/0x3c [ 82.987121][ T5659] __dump_stack+0x30/0x40 [ 82.987780][ T5659] dump_stack_lvl+0xf4/0x15c [ 82.988473][ T5659] dump_stack+0x1c/0x5c [ 82.989095][ T5659] sysfs_create_dir_ns+0x244/0x264 [ 82.989849][ T5659] kobject_add_internal+0x5ac/0xc3c [ 82.990643][ T5659] kobject_init_and_add+0x124/0x190 [ 82.991446][ T5659] gfs2_sys_fs_add+0x200/0x41c [ 82.992222][ T5659] gfs2_fill_super+0xddc/0x1a18 [ 82.993023][ T5659] get_tree_bdev+0x358/0x544 [ 82.993782][ T5659] gfs2_get_tree+0x54/0x1b4 [ 82.994526][ T5659] vfs_get_tree+0x90/0x274 [ 82.995253][ T5659] do_new_mount+0x228/0x810 [ 82.995978][ T5659] path_mount+0x5bc/0x1008 [ 82.996680][ T5659] __arm64_sys_mount+0x514/0x5f0 [ 82.997453][ T5659] invoke_syscall+0x98/0x2b0 [ 82.998158][ T5659] el0_svc_common+0x138/0x258 [ 82.998891][ T5659] do_el0_svc+0x58/0x13c [ 82.999621][ T5659] el0_svc+0x78/0x1d0 [ 83.000274][ T5659] el0t_64_sync_handler+0xcc/0xe4 [ 83.001055][ T5659] el0t_64_sync+0x1a0/0x1a4 [ 83.021324][ T5657] loop4: detected capacity change from 0 to 32768 [ 83.029797][ T5659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.032164][ T5659] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.052932][ T5657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.054152][ T5657] CPU: 0 PID: 5657 Comm: syz.4.59 Not tainted syzkaller #0 [ 83.055431][ T5657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.057210][ T5657] Call trace: [ 83.057768][ T5657] dump_backtrace+0x0/0x458 [ 83.058563][ T5657] show_stack+0x2c/0x3c [ 83.059302][ T5657] __dump_stack+0x30/0x40 [ 83.060017][ T5657] dump_stack_lvl+0xf4/0x15c [ 83.060789][ T5657] dump_stack+0x1c/0x5c [ 83.061553][ T5657] sysfs_create_dir_ns+0x244/0x264 [ 83.062441][ T5657] kobject_add_internal+0x5ac/0xc3c [ 83.063310][ T5657] kobject_init_and_add+0x124/0x190 [ 83.064151][ T5657] gfs2_sys_fs_add+0x200/0x41c [ 83.064898][ T5657] gfs2_fill_super+0xddc/0x1a18 [ 83.065659][ T5657] get_tree_bdev+0x358/0x544 [ 83.066386][ T5657] gfs2_get_tree+0x54/0x1b4 [ 83.067145][ T5657] vfs_get_tree+0x90/0x274 [ 83.067956][ T5657] do_new_mount+0x228/0x810 [ 83.068795][ T5657] path_mount+0x5bc/0x1008 [ 83.069557][ T5657] __arm64_sys_mount+0x514/0x5f0 [ 83.070407][ T5657] invoke_syscall+0x98/0x2b0 [ 83.071239][ T5657] el0_svc_common+0x138/0x258 [ 83.072062][ T5657] do_el0_svc+0x58/0x13c [ 83.072768][ T5657] el0_svc+0x78/0x1d0 [ 83.073480][ T5657] el0t_64_sync_handler+0xcc/0xe4 [ 83.074342][ T5657] el0t_64_sync+0x1a0/0x1a4 [ 83.079170][ T5661] loop0: detected capacity change from 0 to 32768 [ 83.109049][ T5657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.111274][ T5657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.114462][ T5661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.115682][ T5661] CPU: 1 PID: 5661 Comm: syz.0.61 Not tainted syzkaller #0 [ 83.116886][ T5661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.118621][ T5661] Call trace: [ 83.119200][ T5661] dump_backtrace+0x0/0x458 [ 83.119980][ T5661] show_stack+0x2c/0x3c [ 83.120646][ T5661] __dump_stack+0x30/0x40 [ 83.121362][ T5661] dump_stack_lvl+0xf4/0x15c [ 83.122128][ T5661] dump_stack+0x1c/0x5c [ 83.122822][ T5661] sysfs_create_dir_ns+0x244/0x264 [ 83.123706][ T5661] kobject_add_internal+0x5ac/0xc3c [ 83.124539][ T5661] kobject_init_and_add+0x124/0x190 [ 83.125369][ T5661] gfs2_sys_fs_add+0x200/0x41c [ 83.126166][ T5661] gfs2_fill_super+0xddc/0x1a18 [ 83.126966][ T5661] get_tree_bdev+0x358/0x544 [ 83.127690][ T5661] gfs2_get_tree+0x54/0x1b4 [ 83.128379][ T5661] vfs_get_tree+0x90/0x274 [ 83.129109][ T5661] do_new_mount+0x228/0x810 [ 83.129858][ T5661] path_mount+0x5bc/0x1008 [ 83.130594][ T5661] __arm64_sys_mount+0x514/0x5f0 [ 83.131424][ T5661] invoke_syscall+0x98/0x2b0 [ 83.132196][ T5661] el0_svc_common+0x138/0x258 [ 83.132963][ T5661] do_el0_svc+0x58/0x13c [ 83.133655][ T5661] el0_svc+0x78/0x1d0 [ 83.134279][ T5661] el0t_64_sync_handler+0xcc/0xe4 [ 83.135081][ T5661] el0t_64_sync+0x1a0/0x1a4 [ 83.152170][ T5661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.154258][ T5661] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.216119][ T5663] loop2: detected capacity change from 0 to 32768 [ 83.240552][ T5659] loop1: detected capacity change from 0 to 32768 [ 83.266029][ T5663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.267356][ T5663] CPU: 1 PID: 5663 Comm: syz.2.62 Not tainted syzkaller #0 [ 83.268625][ T5663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.270275][ T5663] Call trace: [ 83.270789][ T5663] dump_backtrace+0x0/0x458 [ 83.271597][ T5663] show_stack+0x2c/0x3c [ 83.272316][ T5663] __dump_stack+0x30/0x40 [ 83.272695][ T5659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.273051][ T5663] dump_stack_lvl+0xf4/0x15c [ 83.275089][ T5663] dump_stack+0x1c/0x5c [ 83.275802][ T5663] sysfs_create_dir_ns+0x244/0x264 [ 83.276670][ T5663] kobject_add_internal+0x5ac/0xc3c [ 83.277583][ T5663] kobject_init_and_add+0x124/0x190 [ 83.278465][ T5663] gfs2_sys_fs_add+0x200/0x41c [ 83.279242][ T5663] gfs2_fill_super+0xddc/0x1a18 [ 83.280059][ T5663] get_tree_bdev+0x358/0x544 [ 83.280801][ T5663] gfs2_get_tree+0x54/0x1b4 [ 83.281592][ T5663] vfs_get_tree+0x90/0x274 [ 83.282337][ T5663] do_new_mount+0x228/0x810 [ 83.283095][ T5663] path_mount+0x5bc/0x1008 [ 83.283839][ T5663] __arm64_sys_mount+0x514/0x5f0 [ 83.284671][ T5663] invoke_syscall+0x98/0x2b0 [ 83.285476][ T5663] el0_svc_common+0x138/0x258 [ 83.286261][ T5663] do_el0_svc+0x58/0x13c [ 83.286951][ T5663] el0_svc+0x78/0x1d0 [ 83.287602][ T5663] el0t_64_sync_handler+0xcc/0xe4 [ 83.288424][ T5663] el0t_64_sync+0x1a0/0x1a4 [ 83.289811][ T5659] CPU: 0 PID: 5659 Comm: syz.1.60 Not tainted syzkaller #0 [ 83.291014][ T5659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.292703][ T5659] Call trace: [ 83.293241][ T5659] dump_backtrace+0x0/0x458 [ 83.293994][ T5659] show_stack+0x2c/0x3c [ 83.294671][ T5659] __dump_stack+0x30/0x40 [ 83.295398][ T5659] dump_stack_lvl+0xf4/0x15c [ 83.296194][ T5659] dump_stack+0x1c/0x5c [ 83.296905][ T5659] sysfs_create_dir_ns+0x244/0x264 [ 83.297776][ T5659] kobject_add_internal+0x5ac/0xc3c [ 83.298671][ T5659] kobject_init_and_add+0x124/0x190 [ 83.299577][ T5659] gfs2_sys_fs_add+0x200/0x41c [ 83.300387][ T5659] gfs2_fill_super+0xddc/0x1a18 [ 83.301195][ T5659] get_tree_bdev+0x358/0x544 [ 83.301997][ T5659] gfs2_get_tree+0x54/0x1b4 [ 83.302714][ T5659] vfs_get_tree+0x90/0x274 [ 83.303456][ T5659] do_new_mount+0x228/0x810 [ 83.304185][ T5659] path_mount+0x5bc/0x1008 [ 83.304947][ T5659] __arm64_sys_mount+0x514/0x5f0 [ 83.305735][ T5659] invoke_syscall+0x98/0x2b0 [ 83.306490][ T5659] el0_svc_common+0x138/0x258 [ 83.307274][ T5659] do_el0_svc+0x58/0x13c [ 83.307959][ T5659] el0_svc+0x78/0x1d0 [ 83.308631][ T5659] el0t_64_sync_handler+0xcc/0xe4 [ 83.309464][ T5659] el0t_64_sync+0x1a0/0x1a4 [ 83.331093][ T5663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.338542][ T5663] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.363110][ T5659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.365430][ T5659] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.397211][ T5665] loop4: detected capacity change from 0 to 32768 [ 83.432451][ T5665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.433139][ T5661] loop0: detected capacity change from 0 to 32768 [ 83.433753][ T5665] CPU: 1 PID: 5665 Comm: syz.4.63 Not tainted syzkaller #0 [ 83.436012][ T5665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.437679][ T5665] Call trace: [ 83.438245][ T5665] dump_backtrace+0x0/0x458 [ 83.439001][ T5665] show_stack+0x2c/0x3c [ 83.439691][ T5665] __dump_stack+0x30/0x40 [ 83.440440][ T5665] dump_stack_lvl+0xf4/0x15c [ 83.441225][ T5665] dump_stack+0x1c/0x5c [ 83.441900][ T5665] sysfs_create_dir_ns+0x244/0x264 [ 83.442784][ T5665] kobject_add_internal+0x5ac/0xc3c [ 83.443643][ T5665] kobject_init_and_add+0x124/0x190 [ 83.444449][ T5665] gfs2_sys_fs_add+0x200/0x41c [ 83.445186][ T5665] gfs2_fill_super+0xddc/0x1a18 [ 83.446013][ T5665] get_tree_bdev+0x358/0x544 [ 83.446801][ T5665] gfs2_get_tree+0x54/0x1b4 [ 83.447590][ T5665] vfs_get_tree+0x90/0x274 [ 83.448309][ T5665] do_new_mount+0x228/0x810 [ 83.449024][ T5665] path_mount+0x5bc/0x1008 [ 83.449784][ T5665] __arm64_sys_mount+0x514/0x5f0 [ 83.450606][ T5665] invoke_syscall+0x98/0x2b0 [ 83.451345][ T5665] el0_svc_common+0x138/0x258 [ 83.452111][ T5665] do_el0_svc+0x58/0x13c [ 83.452813][ T5665] el0_svc+0x78/0x1d0 [ 83.453449][ T5665] el0t_64_sync_handler+0xcc/0xe4 [ 83.454256][ T5665] el0t_64_sync+0x1a0/0x1a4 [ 83.465040][ T5661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.466432][ T5661] CPU: 0 PID: 5661 Comm: syz.0.61 Not tainted syzkaller #0 [ 83.467507][ T5661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.469197][ T5661] Call trace: [ 83.469727][ T5661] dump_backtrace+0x0/0x458 [ 83.470445][ T5661] show_stack+0x2c/0x3c [ 83.471108][ T5661] __dump_stack+0x30/0x40 [ 83.471823][ T5661] dump_stack_lvl+0xf4/0x15c [ 83.472560][ T5661] dump_stack+0x1c/0x5c [ 83.473261][ T5661] sysfs_create_dir_ns+0x244/0x264 [ 83.474144][ T5661] kobject_add_internal+0x5ac/0xc3c [ 83.475005][ T5661] kobject_init_and_add+0x124/0x190 [ 83.475861][ T5661] gfs2_sys_fs_add+0x200/0x41c [ 83.476664][ T5661] gfs2_fill_super+0xddc/0x1a18 [ 83.477502][ T5661] get_tree_bdev+0x358/0x544 [ 83.478284][ T5661] gfs2_get_tree+0x54/0x1b4 [ 83.479027][ T5661] vfs_get_tree+0x90/0x274 [ 83.479770][ T5661] do_new_mount+0x228/0x810 [ 83.480475][ T5661] path_mount+0x5bc/0x1008 [ 83.481205][ T5661] __arm64_sys_mount+0x514/0x5f0 [ 83.481987][ T5661] invoke_syscall+0x98/0x2b0 [ 83.482718][ T5661] el0_svc_common+0x138/0x258 [ 83.483481][ T5661] do_el0_svc+0x58/0x13c [ 83.484154][ T5661] el0_svc+0x78/0x1d0 [ 83.484793][ T5661] el0t_64_sync_handler+0xcc/0xe4 [ 83.485637][ T5661] el0t_64_sync+0x1a0/0x1a4 [ 83.503644][ T5665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.506027][ T5665] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.523984][ T5661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.528195][ T5661] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.561468][ T5663] loop2: detected capacity change from 0 to 32768 [ 83.568091][ T5663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.569358][ T5663] CPU: 0 PID: 5663 Comm: syz.2.62 Not tainted syzkaller #0 [ 83.570578][ T5663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.572224][ T5663] Call trace: [ 83.572800][ T5663] dump_backtrace+0x0/0x458 [ 83.573541][ T5663] show_stack+0x2c/0x3c [ 83.574228][ T5663] __dump_stack+0x30/0x40 [ 83.574934][ T5663] dump_stack_lvl+0xf4/0x15c [ 83.575655][ T5663] dump_stack+0x1c/0x5c [ 83.576366][ T5663] sysfs_create_dir_ns+0x244/0x264 [ 83.577232][ T5663] kobject_add_internal+0x5ac/0xc3c [ 83.578132][ T5663] kobject_init_and_add+0x124/0x190 [ 83.578977][ T5663] gfs2_sys_fs_add+0x200/0x41c [ 83.579764][ T5663] gfs2_fill_super+0xddc/0x1a18 [ 83.580584][ T5663] get_tree_bdev+0x358/0x544 [ 83.581323][ T5663] gfs2_get_tree+0x54/0x1b4 [ 83.582080][ T5663] vfs_get_tree+0x90/0x274 [ 83.582855][ T5663] do_new_mount+0x228/0x810 [ 83.583626][ T5663] path_mount+0x5bc/0x1008 [ 83.584383][ T5663] __arm64_sys_mount+0x514/0x5f0 [ 83.585208][ T5663] invoke_syscall+0x98/0x2b0 [ 83.585976][ T5663] el0_svc_common+0x138/0x258 [ 83.586726][ T5663] do_el0_svc+0x58/0x13c [ 83.587462][ T5663] el0_svc+0x78/0x1d0 [ 83.588195][ T5663] el0t_64_sync_handler+0xcc/0xe4 [ 83.589040][ T5663] el0t_64_sync+0x1a0/0x1a4 [ 83.614349][ T5663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.616631][ T5663] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.731949][ T5667] loop1: detected capacity change from 0 to 32768 [ 83.802867][ T5665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.804227][ T5665] CPU: 1 PID: 5665 Comm: syz.4.63 Not tainted syzkaller #0 [ 83.805369][ T5665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.807017][ T5665] Call trace: [ 83.807538][ T5665] dump_backtrace+0x0/0x458 [ 83.808290][ T5665] show_stack+0x2c/0x3c [ 83.808933][ T5665] __dump_stack+0x30/0x40 [ 83.809622][ T5665] dump_stack_lvl+0xf4/0x15c [ 83.810331][ T5665] dump_stack+0x1c/0x5c [ 83.810956][ T5665] sysfs_create_dir_ns+0x244/0x264 [ 83.811731][ T5665] kobject_add_internal+0x5ac/0xc3c [ 83.812573][ T5665] kobject_init_and_add+0x124/0x190 [ 83.813396][ T5665] gfs2_sys_fs_add+0x200/0x41c [ 83.814166][ T5665] gfs2_fill_super+0xddc/0x1a18 [ 83.814920][ T5665] get_tree_bdev+0x358/0x544 [ 83.815642][ T5665] gfs2_get_tree+0x54/0x1b4 [ 83.816331][ T5665] vfs_get_tree+0x90/0x274 [ 83.817030][ T5665] do_new_mount+0x228/0x810 [ 83.817732][ T5665] path_mount+0x5bc/0x1008 [ 83.818445][ T5665] __arm64_sys_mount+0x514/0x5f0 [ 83.819203][ T5665] invoke_syscall+0x98/0x2b0 [ 83.819984][ T5665] el0_svc_common+0x138/0x258 [ 83.820749][ T5665] do_el0_svc+0x58/0x13c [ 83.821391][ T5665] el0_svc+0x78/0x1d0 [ 83.822036][ T5665] el0t_64_sync_handler+0xcc/0xe4 [ 83.822965][ T5665] el0t_64_sync+0x1a0/0x1a4 [ 83.824828][ T5665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.826854][ T5665] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.844786][ T5669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.845961][ T5669] CPU: 1 PID: 5669 Comm: syz.0.65 Not tainted syzkaller #0 [ 83.847240][ T5669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.848921][ T5669] Call trace: [ 83.849261][ T5671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.849463][ T5669] dump_backtrace+0x0/0x458 [ 83.851337][ T5669] show_stack+0x2c/0x3c [ 83.851970][ T5669] __dump_stack+0x30/0x40 [ 83.852717][ T5669] dump_stack_lvl+0xf4/0x15c [ 83.853485][ T5669] dump_stack+0x1c/0x5c [ 83.854189][ T5669] sysfs_create_dir_ns+0x244/0x264 [ 83.855048][ T5669] kobject_add_internal+0x5ac/0xc3c [ 83.855867][ T5669] kobject_init_and_add+0x124/0x190 [ 83.856679][ T5669] gfs2_sys_fs_add+0x200/0x41c [ 83.857424][ T5669] gfs2_fill_super+0xddc/0x1a18 [ 83.858163][ T5669] get_tree_bdev+0x358/0x544 [ 83.858939][ T5669] gfs2_get_tree+0x54/0x1b4 [ 83.859688][ T5669] vfs_get_tree+0x90/0x274 [ 83.860398][ T5669] do_new_mount+0x228/0x810 [ 83.861111][ T5669] path_mount+0x5bc/0x1008 [ 83.861818][ T5669] __arm64_sys_mount+0x514/0x5f0 [ 83.862674][ T5669] invoke_syscall+0x98/0x2b0 [ 83.863456][ T5669] el0_svc_common+0x138/0x258 [ 83.864306][ T5669] do_el0_svc+0x58/0x13c [ 83.865037][ T5669] el0_svc+0x78/0x1d0 [ 83.865726][ T5669] el0t_64_sync_handler+0xcc/0xe4 [ 83.866554][ T5669] el0t_64_sync+0x1a0/0x1a4 [ 83.867310][ T5671] CPU: 0 PID: 5671 Comm: syz.2.66 Not tainted syzkaller #0 [ 83.868514][ T5671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.868625][ T5667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.870161][ T5671] Call trace: [ 83.871886][ T5671] dump_backtrace+0x0/0x458 [ 83.872606][ T5671] show_stack+0x2c/0x3c [ 83.873287][ T5671] __dump_stack+0x30/0x40 [ 83.873992][ T5671] dump_stack_lvl+0xf4/0x15c [ 83.874685][ T5671] dump_stack+0x1c/0x5c [ 83.875397][ T5671] sysfs_create_dir_ns+0x244/0x264 [ 83.876271][ T5671] kobject_add_internal+0x5ac/0xc3c [ 83.877192][ T5671] kobject_init_and_add+0x124/0x190 [ 83.878109][ T5671] gfs2_sys_fs_add+0x200/0x41c [ 83.878897][ T5671] gfs2_fill_super+0xddc/0x1a18 [ 83.879716][ T5671] get_tree_bdev+0x358/0x544 [ 83.880495][ T5671] gfs2_get_tree+0x54/0x1b4 [ 83.881269][ T5671] vfs_get_tree+0x90/0x274 [ 83.882035][ T5671] do_new_mount+0x228/0x810 [ 83.882816][ T5671] path_mount+0x5bc/0x1008 [ 83.883570][ T5671] __arm64_sys_mount+0x514/0x5f0 [ 83.884356][ T5671] invoke_syscall+0x98/0x2b0 [ 83.885113][ T5671] el0_svc_common+0x138/0x258 [ 83.885889][ T5671] do_el0_svc+0x58/0x13c [ 83.886559][ T5671] el0_svc+0x78/0x1d0 [ 83.887208][ T5671] el0t_64_sync_handler+0xcc/0xe4 [ 83.888042][ T5671] el0t_64_sync+0x1a0/0x1a4 [ 83.888767][ T5667] CPU: 1 PID: 5667 Comm: syz.1.64 Not tainted syzkaller #0 [ 83.889897][ T5667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.891622][ T5667] Call trace: [ 83.892159][ T5667] dump_backtrace+0x0/0x458 [ 83.892926][ T5667] show_stack+0x2c/0x3c [ 83.893634][ T5667] __dump_stack+0x30/0x40 [ 83.893684][ T5671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.894378][ T5667] dump_stack_lvl+0xf4/0x15c [ 83.896558][ T5671] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.897300][ T5667] dump_stack+0x1c/0x5c [ 83.898507][ T5669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.899065][ T5667] sysfs_create_dir_ns+0x244/0x264 [ 83.901087][ T5669] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.901882][ T5667] kobject_add_internal+0x5ac/0xc3c [ 83.903803][ T5667] kobject_init_and_add+0x124/0x190 [ 83.904691][ T5667] gfs2_sys_fs_add+0x200/0x41c [ 83.905578][ T5667] gfs2_fill_super+0xddc/0x1a18 [ 83.906323][ T5667] get_tree_bdev+0x358/0x544 [ 83.907063][ T5667] gfs2_get_tree+0x54/0x1b4 [ 83.907770][ T5667] vfs_get_tree+0x90/0x274 [ 83.908522][ T5667] do_new_mount+0x228/0x810 [ 83.909239][ T5667] path_mount+0x5bc/0x1008 [ 83.909984][ T5667] __arm64_sys_mount+0x514/0x5f0 [ 83.910839][ T5667] invoke_syscall+0x98/0x2b0 [ 83.911596][ T5667] el0_svc_common+0x138/0x258 [ 83.912401][ T5667] do_el0_svc+0x58/0x13c [ 83.913101][ T5667] el0_svc+0x78/0x1d0 [ 83.913773][ T5667] el0t_64_sync_handler+0xcc/0xe4 [ 83.914613][ T5667] el0t_64_sync+0x1a0/0x1a4 [ 83.915811][ T5667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.917891][ T5667] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.227998][ T5673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.229247][ T5673] CPU: 1 PID: 5673 Comm: syz.4.67 Not tainted syzkaller #0 [ 84.230376][ T5673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.232017][ T5673] Call trace: [ 84.232534][ T5673] dump_backtrace+0x0/0x458 [ 84.233259][ T5673] show_stack+0x2c/0x3c [ 84.233990][ T5673] __dump_stack+0x30/0x40 [ 84.234702][ T5673] dump_stack_lvl+0xf4/0x15c [ 84.235434][ T5673] dump_stack+0x1c/0x5c [ 84.236158][ T5673] sysfs_create_dir_ns+0x244/0x264 [ 84.236988][ T5673] kobject_add_internal+0x5ac/0xc3c [ 84.237834][ T5673] kobject_init_and_add+0x124/0x190 [ 84.238693][ T5673] gfs2_sys_fs_add+0x200/0x41c [ 84.239484][ T5673] gfs2_fill_super+0xddc/0x1a18 [ 84.240274][ T5673] get_tree_bdev+0x358/0x544 [ 84.241040][ T5673] gfs2_get_tree+0x54/0x1b4 [ 84.241800][ T5673] vfs_get_tree+0x90/0x274 [ 84.242508][ T5673] do_new_mount+0x228/0x810 [ 84.243282][ T5673] path_mount+0x5bc/0x1008 [ 84.244043][ T5673] __arm64_sys_mount+0x514/0x5f0 [ 84.244888][ T5673] invoke_syscall+0x98/0x2b0 [ 84.245635][ T5673] el0_svc_common+0x138/0x258 [ 84.246441][ T5673] do_el0_svc+0x58/0x13c [ 84.247156][ T5673] el0_svc+0x78/0x1d0 [ 84.247827][ T5673] el0t_64_sync_handler+0xcc/0xe4 [ 84.248683][ T5673] el0t_64_sync+0x1a0/0x1a4 [ 84.254150][ T5673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.256428][ T5673] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.264022][ T5671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.265094][ T5671] CPU: 1 PID: 5671 Comm: syz.2.66 Not tainted syzkaller #0 [ 84.266150][ T5671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.267730][ T5671] Call trace: [ 84.268259][ T5671] dump_backtrace+0x0/0x458 [ 84.268901][ T5671] show_stack+0x2c/0x3c [ 84.269531][ T5671] __dump_stack+0x30/0x40 [ 84.270137][ T5671] dump_stack_lvl+0xf4/0x15c [ 84.270901][ T5671] dump_stack+0x1c/0x5c [ 84.271480][ T5671] sysfs_create_dir_ns+0x244/0x264 [ 84.272321][ T5671] kobject_add_internal+0x5ac/0xc3c [ 84.273249][ T5671] kobject_init_and_add+0x124/0x190 [ 84.274160][ T5671] gfs2_sys_fs_add+0x200/0x41c [ 84.274982][ T5671] gfs2_fill_super+0xddc/0x1a18 [ 84.275770][ T5671] get_tree_bdev+0x358/0x544 [ 84.276577][ T5671] gfs2_get_tree+0x54/0x1b4 [ 84.277342][ T5671] vfs_get_tree+0x90/0x274 [ 84.278114][ T5671] do_new_mount+0x228/0x810 [ 84.278882][ T5671] path_mount+0x5bc/0x1008 [ 84.279670][ T5671] __arm64_sys_mount+0x514/0x5f0 [ 84.280516][ T5671] invoke_syscall+0x98/0x2b0 [ 84.281274][ T5671] el0_svc_common+0x138/0x258 [ 84.282042][ T5671] do_el0_svc+0x58/0x13c [ 84.282766][ T5671] el0_svc+0x78/0x1d0 [ 84.283406][ T5671] el0t_64_sync_handler+0xcc/0xe4 [ 84.284207][ T5671] el0t_64_sync+0x1a0/0x1a4 [ 84.291131][ T5671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.293686][ T5671] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.294893][ T5667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.296041][ T5667] CPU: 0 PID: 5667 Comm: syz.1.64 Not tainted syzkaller #0 [ 84.297122][ T5667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.298749][ T5667] Call trace: [ 84.299304][ T5667] dump_backtrace+0x0/0x458 [ 84.299995][ T5667] show_stack+0x2c/0x3c [ 84.300621][ T5667] __dump_stack+0x30/0x40 [ 84.301306][ T5667] dump_stack_lvl+0xf4/0x15c [ 84.302057][ T5667] dump_stack+0x1c/0x5c [ 84.302750][ T5667] sysfs_create_dir_ns+0x244/0x264 [ 84.303598][ T5667] kobject_add_internal+0x5ac/0xc3c [ 84.304442][ T5667] kobject_init_and_add+0x124/0x190 [ 84.305277][ T5667] gfs2_sys_fs_add+0x200/0x41c [ 84.306093][ T5667] gfs2_fill_super+0xddc/0x1a18 [ 84.306893][ T5667] get_tree_bdev+0x358/0x544 [ 84.307709][ T5667] gfs2_get_tree+0x54/0x1b4 [ 84.308481][ T5667] vfs_get_tree+0x90/0x274 [ 84.309223][ T5667] do_new_mount+0x228/0x810 [ 84.309928][ T5667] path_mount+0x5bc/0x1008 [ 84.310686][ T5667] __arm64_sys_mount+0x514/0x5f0 [ 84.311499][ T5667] invoke_syscall+0x98/0x2b0 [ 84.312210][ T5667] el0_svc_common+0x138/0x258 [ 84.313000][ T5667] do_el0_svc+0x58/0x13c [ 84.313743][ T5667] el0_svc+0x78/0x1d0 [ 84.314410][ T5667] el0t_64_sync_handler+0xcc/0xe4 [ 84.315292][ T5667] el0t_64_sync+0x1a0/0x1a4 [ 84.326132][ T5669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.327386][ T5669] CPU: 0 PID: 5669 Comm: syz.0.65 Not tainted syzkaller #0 [ 84.328594][ T5669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.330233][ T5669] Call trace: [ 84.330764][ T5669] dump_backtrace+0x0/0x458 [ 84.331520][ T5669] show_stack+0x2c/0x3c [ 84.332258][ T5669] __dump_stack+0x30/0x40 [ 84.333009][ T5669] dump_stack_lvl+0xf4/0x15c [ 84.333754][ T5669] dump_stack+0x1c/0x5c [ 84.334443][ T5669] sysfs_create_dir_ns+0x244/0x264 [ 84.335326][ T5669] kobject_add_internal+0x5ac/0xc3c [ 84.336188][ T5669] kobject_init_and_add+0x124/0x190 [ 84.337058][ T5669] gfs2_sys_fs_add+0x200/0x41c [ 84.337853][ T5669] gfs2_fill_super+0xddc/0x1a18 [ 84.338663][ T5669] get_tree_bdev+0x358/0x544 [ 84.339449][ T5669] gfs2_get_tree+0x54/0x1b4 [ 84.340233][ T5669] vfs_get_tree+0x90/0x274 [ 84.341001][ T5669] do_new_mount+0x228/0x810 [ 84.341741][ T5669] path_mount+0x5bc/0x1008 [ 84.342424][ T5669] __arm64_sys_mount+0x514/0x5f0 [ 84.343255][ T5669] invoke_syscall+0x98/0x2b0 [ 84.344002][ T5669] el0_svc_common+0x138/0x258 [ 84.344786][ T5669] do_el0_svc+0x58/0x13c [ 84.345460][ T5669] el0_svc+0x78/0x1d0 [ 84.346107][ T5669] el0t_64_sync_handler+0xcc/0xe4 [ 84.346908][ T5669] el0t_64_sync+0x1a0/0x1a4 [ 84.362203][ T5667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.364380][ T5667] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.368429][ T5669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.379080][ T5669] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.505447][ T5673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.506665][ T5673] CPU: 1 PID: 5673 Comm: syz.4.67 Not tainted syzkaller #0 [ 84.507875][ T5673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.509457][ T5673] Call trace: [ 84.509943][ T5673] dump_backtrace+0x0/0x458 [ 84.510650][ T5673] show_stack+0x2c/0x3c [ 84.511278][ T5673] __dump_stack+0x30/0x40 [ 84.511988][ T5673] dump_stack_lvl+0xf4/0x15c [ 84.512743][ T5673] dump_stack+0x1c/0x5c [ 84.513469][ T5673] sysfs_create_dir_ns+0x244/0x264 [ 84.514338][ T5673] kobject_add_internal+0x5ac/0xc3c [ 84.515177][ T5673] kobject_init_and_add+0x124/0x190 [ 84.516009][ T5673] gfs2_sys_fs_add+0x200/0x41c [ 84.516829][ T5673] gfs2_fill_super+0xddc/0x1a18 [ 84.517735][ T5673] get_tree_bdev+0x358/0x544 [ 84.518466][ T5673] gfs2_get_tree+0x54/0x1b4 [ 84.519258][ T5673] vfs_get_tree+0x90/0x274 [ 84.520007][ T5673] do_new_mount+0x228/0x810 [ 84.520753][ T5673] path_mount+0x5bc/0x1008 [ 84.521462][ T5673] __arm64_sys_mount+0x514/0x5f0 [ 84.522297][ T5673] invoke_syscall+0x98/0x2b0 [ 84.523096][ T5673] el0_svc_common+0x138/0x258 [ 84.523870][ T5673] do_el0_svc+0x58/0x13c [ 84.524560][ T5673] el0_svc+0x78/0x1d0 [ 84.525235][ T5673] el0t_64_sync_handler+0xcc/0xe4 [ 84.526083][ T5673] el0t_64_sync+0x1a0/0x1a4 [ 84.552193][ T5673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.554610][ T5673] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.596438][ T5675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.597742][ T5675] CPU: 1 PID: 5675 Comm: syz.2.68 Not tainted syzkaller #0 [ 84.598897][ T5675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.600516][ T5675] Call trace: [ 84.601022][ T5675] dump_backtrace+0x0/0x458 [ 84.601654][ T5675] show_stack+0x2c/0x3c [ 84.602326][ T5675] __dump_stack+0x30/0x40 [ 84.603026][ T5675] dump_stack_lvl+0xf4/0x15c [ 84.603793][ T5675] dump_stack+0x1c/0x5c [ 84.604442][ T5675] sysfs_create_dir_ns+0x244/0x264 [ 84.605402][ T5675] kobject_add_internal+0x5ac/0xc3c [ 84.606302][ T5675] kobject_init_and_add+0x124/0x190 [ 84.607154][ T5675] gfs2_sys_fs_add+0x200/0x41c [ 84.607951][ T5675] gfs2_fill_super+0xddc/0x1a18 [ 84.608769][ T5675] get_tree_bdev+0x358/0x544 [ 84.609522][ T5675] gfs2_get_tree+0x54/0x1b4 [ 84.610248][ T5675] vfs_get_tree+0x90/0x274 [ 84.610984][ T5675] do_new_mount+0x228/0x810 [ 84.611766][ T5675] path_mount+0x5bc/0x1008 [ 84.612514][ T5675] __arm64_sys_mount+0x514/0x5f0 [ 84.613369][ T5675] invoke_syscall+0x98/0x2b0 [ 84.614179][ T5675] el0_svc_common+0x138/0x258 [ 84.614922][ T5675] do_el0_svc+0x58/0x13c [ 84.615643][ T5675] el0_svc+0x78/0x1d0 [ 84.616306][ T5675] el0t_64_sync_handler+0xcc/0xe4 [ 84.617228][ T5675] el0t_64_sync+0x1a0/0x1a4 [ 84.637598][ T5675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.639802][ T5675] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.644655][ T5679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.646188][ T5679] CPU: 0 PID: 5679 Comm: syz.0.70 Not tainted syzkaller #0 [ 84.647391][ T5679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.649118][ T5679] Call trace: [ 84.649670][ T5679] dump_backtrace+0x0/0x458 [ 84.650437][ T5679] show_stack+0x2c/0x3c [ 84.651059][ T5679] __dump_stack+0x30/0x40 [ 84.651722][ T5679] dump_stack_lvl+0xf4/0x15c [ 84.652517][ T5679] dump_stack+0x1c/0x5c [ 84.653175][ T5679] sysfs_create_dir_ns+0x244/0x264 [ 84.653994][ T5679] kobject_add_internal+0x5ac/0xc3c [ 84.654812][ T5679] kobject_init_and_add+0x124/0x190 [ 84.655725][ T5679] gfs2_sys_fs_add+0x200/0x41c [ 84.656546][ T5679] gfs2_fill_super+0xddc/0x1a18 [ 84.657366][ T5679] get_tree_bdev+0x358/0x544 [ 84.658144][ T5679] gfs2_get_tree+0x54/0x1b4 [ 84.658892][ T5679] vfs_get_tree+0x90/0x274 [ 84.659573][ T5679] do_new_mount+0x228/0x810 [ 84.660317][ T5679] path_mount+0x5bc/0x1008 [ 84.661026][ T5679] __arm64_sys_mount+0x514/0x5f0 [ 84.661834][ T5679] invoke_syscall+0x98/0x2b0 [ 84.662578][ T5679] el0_svc_common+0x138/0x258 [ 84.663324][ T5679] do_el0_svc+0x58/0x13c [ 84.663992][ T5679] el0_svc+0x78/0x1d0 [ 84.664645][ T5679] el0t_64_sync_handler+0xcc/0xe4 [ 84.665473][ T5679] el0t_64_sync+0x1a0/0x1a4 [ 84.674904][ T5677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.676192][ T5677] CPU: 1 PID: 5677 Comm: syz.1.69 Not tainted syzkaller #0 [ 84.677350][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.679052][ T5677] Call trace: [ 84.679572][ T5677] dump_backtrace+0x0/0x458 [ 84.680272][ T5677] show_stack+0x2c/0x3c [ 84.680924][ T5677] __dump_stack+0x30/0x40 [ 84.681675][ T5677] dump_stack_lvl+0xf4/0x15c [ 84.682494][ T5677] dump_stack+0x1c/0x5c [ 84.683194][ T5677] sysfs_create_dir_ns+0x244/0x264 [ 84.683972][ T5677] kobject_add_internal+0x5ac/0xc3c [ 84.684803][ T5677] kobject_init_and_add+0x124/0x190 [ 84.685716][ T5677] gfs2_sys_fs_add+0x200/0x41c [ 84.686492][ T5677] gfs2_fill_super+0xddc/0x1a18 [ 84.686995][ T5679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.687335][ T5677] get_tree_bdev+0x358/0x544 [ 84.689350][ T5679] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.690059][ T5677] gfs2_get_tree+0x54/0x1b4 [ 84.691925][ T5677] vfs_get_tree+0x90/0x274 [ 84.692642][ T5677] do_new_mount+0x228/0x810 [ 84.693411][ T5677] path_mount+0x5bc/0x1008 [ 84.694152][ T5677] __arm64_sys_mount+0x514/0x5f0 [ 84.694972][ T5677] invoke_syscall+0x98/0x2b0 [ 84.695753][ T5677] el0_svc_common+0x138/0x258 [ 84.696512][ T5677] do_el0_svc+0x58/0x13c [ 84.697244][ T5677] el0_svc+0x78/0x1d0 [ 84.697897][ T5677] el0t_64_sync_handler+0xcc/0xe4 [ 84.698728][ T5677] el0t_64_sync+0x1a0/0x1a4 [ 84.752226][ T5677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.754294][ T5677] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.869671][ T5681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.870945][ T5681] CPU: 0 PID: 5681 Comm: syz.4.71 Not tainted syzkaller #0 [ 84.872120][ T5681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.873732][ T5681] Call trace: [ 84.874269][ T5681] dump_backtrace+0x0/0x458 [ 84.875027][ T5681] show_stack+0x2c/0x3c [ 84.875738][ T5681] __dump_stack+0x30/0x40 [ 84.876442][ T5681] dump_stack_lvl+0xf4/0x15c [ 84.877191][ T5681] dump_stack+0x1c/0x5c [ 84.877941][ T5681] sysfs_create_dir_ns+0x244/0x264 [ 84.878817][ T5681] kobject_add_internal+0x5ac/0xc3c [ 84.879698][ T5681] kobject_init_and_add+0x124/0x190 [ 84.880591][ T5681] gfs2_sys_fs_add+0x200/0x41c [ 84.881393][ T5681] gfs2_fill_super+0xddc/0x1a18 [ 84.882201][ T5681] get_tree_bdev+0x358/0x544 [ 84.882912][ T5681] gfs2_get_tree+0x54/0x1b4 [ 84.883629][ T5681] vfs_get_tree+0x90/0x274 [ 84.884352][ T5681] do_new_mount+0x228/0x810 [ 84.885077][ T5681] path_mount+0x5bc/0x1008 [ 84.885766][ T5681] __arm64_sys_mount+0x514/0x5f0 [ 84.886604][ T5681] invoke_syscall+0x98/0x2b0 [ 84.887337][ T5681] el0_svc_common+0x138/0x258 [ 84.888114][ T5681] do_el0_svc+0x58/0x13c [ 84.888839][ T5681] el0_svc+0x78/0x1d0 [ 84.889485][ T5681] el0t_64_sync_handler+0xcc/0xe4 [ 84.890364][ T5681] el0t_64_sync+0x1a0/0x1a4 [ 84.894244][ T5675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.895598][ T5675] CPU: 1 PID: 5675 Comm: syz.2.68 Not tainted syzkaller #0 [ 84.896758][ T5675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.898393][ T5675] Call trace: [ 84.898920][ T5675] dump_backtrace+0x0/0x458 [ 84.899652][ T5675] show_stack+0x2c/0x3c [ 84.900304][ T5675] __dump_stack+0x30/0x40 [ 84.900971][ T5675] dump_stack_lvl+0xf4/0x15c [ 84.901699][ T5675] dump_stack+0x1c/0x5c [ 84.902392][ T5675] sysfs_create_dir_ns+0x244/0x264 [ 84.903284][ T5675] kobject_add_internal+0x5ac/0xc3c [ 84.904143][ T5675] kobject_init_and_add+0x124/0x190 [ 84.904991][ T5675] gfs2_sys_fs_add+0x200/0x41c [ 84.905773][ T5675] gfs2_fill_super+0xddc/0x1a18 [ 84.906630][ T5675] get_tree_bdev+0x358/0x544 [ 84.907418][ T5675] gfs2_get_tree+0x54/0x1b4 [ 84.908183][ T5675] vfs_get_tree+0x90/0x274 [ 84.908917][ T5675] do_new_mount+0x228/0x810 [ 84.909678][ T5675] path_mount+0x5bc/0x1008 [ 84.910412][ T5675] __arm64_sys_mount+0x514/0x5f0 [ 84.911205][ T5675] invoke_syscall+0x98/0x2b0 [ 84.911974][ T5675] el0_svc_common+0x138/0x258 [ 84.912242][ T5681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.912770][ T5675] do_el0_svc+0x58/0x13c [ 84.915727][ T5675] el0_svc+0x78/0x1d0 [ 84.916384][ T5675] el0t_64_sync_handler+0xcc/0xe4 [ 84.916487][ T5681] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.917222][ T5675] el0t_64_sync+0x1a0/0x1a4 [ 84.944408][ T5675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.952493][ T5675] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.962844][ T5679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.964180][ T5679] CPU: 0 PID: 5679 Comm: syz.0.70 Not tainted syzkaller #0 [ 84.965360][ T5679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.967148][ T5679] Call trace: [ 84.967744][ T5679] dump_backtrace+0x0/0x458 [ 84.968506][ T5679] show_stack+0x2c/0x3c [ 84.969146][ T5679] __dump_stack+0x30/0x40 [ 84.969854][ T5679] dump_stack_lvl+0xf4/0x15c [ 84.970572][ T5679] dump_stack+0x1c/0x5c [ 84.971251][ T5679] sysfs_create_dir_ns+0x244/0x264 [ 84.972073][ T5679] kobject_add_internal+0x5ac/0xc3c [ 84.972967][ T5679] kobject_init_and_add+0x124/0x190 [ 84.973877][ T5679] gfs2_sys_fs_add+0x200/0x41c [ 84.974680][ T5679] gfs2_fill_super+0xddc/0x1a18 [ 84.975516][ T5679] get_tree_bdev+0x358/0x544 [ 84.976340][ T5679] gfs2_get_tree+0x54/0x1b4 [ 84.977146][ T5679] vfs_get_tree+0x90/0x274 [ 84.977901][ T5679] do_new_mount+0x228/0x810 [ 84.978677][ T5679] path_mount+0x5bc/0x1008 [ 84.979419][ T5679] __arm64_sys_mount+0x514/0x5f0 [ 84.980303][ T5679] invoke_syscall+0x98/0x2b0 [ 84.981098][ T5679] el0_svc_common+0x138/0x258 [ 84.981939][ T5679] do_el0_svc+0x58/0x13c [ 84.982664][ T5679] el0_svc+0x78/0x1d0 [ 84.983317][ T5679] el0t_64_sync_handler+0xcc/0xe4 [ 84.984214][ T5679] el0t_64_sync+0x1a0/0x1a4 [ 85.002273][ T5679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.004444][ T5679] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.012894][ T5677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.014005][ T5677] CPU: 1 PID: 5677 Comm: syz.1.69 Not tainted syzkaller #0 [ 85.015215][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.016924][ T5677] Call trace: [ 85.017451][ T5677] dump_backtrace+0x0/0x458 [ 85.018196][ T5677] show_stack+0x2c/0x3c [ 85.018917][ T5677] __dump_stack+0x30/0x40 [ 85.019617][ T5677] dump_stack_lvl+0xf4/0x15c [ 85.020416][ T5677] dump_stack+0x1c/0x5c [ 85.021117][ T5677] sysfs_create_dir_ns+0x244/0x264 [ 85.021965][ T5677] kobject_add_internal+0x5ac/0xc3c [ 85.022866][ T5677] kobject_init_and_add+0x124/0x190 [ 85.023747][ T5677] gfs2_sys_fs_add+0x200/0x41c [ 85.024580][ T5677] gfs2_fill_super+0xddc/0x1a18 [ 85.025337][ T5677] get_tree_bdev+0x358/0x544 [ 85.026087][ T5677] gfs2_get_tree+0x54/0x1b4 [ 85.026818][ T5677] vfs_get_tree+0x90/0x274 [ 85.027542][ T5677] do_new_mount+0x228/0x810 [ 85.028330][ T5677] path_mount+0x5bc/0x1008 [ 85.029052][ T5677] __arm64_sys_mount+0x514/0x5f0 [ 85.029851][ T5677] invoke_syscall+0x98/0x2b0 [ 85.030570][ T5677] el0_svc_common+0x138/0x258 [ 85.031299][ T5677] do_el0_svc+0x58/0x13c [ 85.031989][ T5677] el0_svc+0x78/0x1d0 [ 85.032651][ T5677] el0t_64_sync_handler+0xcc/0xe4 [ 85.033457][ T5677] el0t_64_sync+0x1a0/0x1a4 [ 85.057196][ T5677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.059252][ T5677] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.233940][ T5683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.235316][ T5683] CPU: 1 PID: 5683 Comm: syz.2.72 Not tainted syzkaller #0 [ 85.236564][ T5683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.238194][ T5683] Call trace: [ 85.238738][ T5683] dump_backtrace+0x0/0x458 [ 85.239478][ T5683] show_stack+0x2c/0x3c [ 85.240161][ T5683] __dump_stack+0x30/0x40 [ 85.240878][ T5683] dump_stack_lvl+0xf4/0x15c [ 85.241626][ T5683] dump_stack+0x1c/0x5c [ 85.242315][ T5683] sysfs_create_dir_ns+0x244/0x264 [ 85.243150][ T5683] kobject_add_internal+0x5ac/0xc3c [ 85.244051][ T5683] kobject_init_and_add+0x124/0x190 [ 85.244885][ T5683] gfs2_sys_fs_add+0x200/0x41c [ 85.245689][ T5683] gfs2_fill_super+0xddc/0x1a18 [ 85.246535][ T5683] get_tree_bdev+0x358/0x544 [ 85.247342][ T5683] gfs2_get_tree+0x54/0x1b4 [ 85.248096][ T5683] vfs_get_tree+0x90/0x274 [ 85.248780][ T5683] do_new_mount+0x228/0x810 [ 85.249551][ T5683] path_mount+0x5bc/0x1008 [ 85.250293][ T5683] __arm64_sys_mount+0x514/0x5f0 [ 85.251138][ T5683] invoke_syscall+0x98/0x2b0 [ 85.251919][ T5683] el0_svc_common+0x138/0x258 [ 85.252693][ T5683] do_el0_svc+0x58/0x13c [ 85.253422][ T5683] el0_svc+0x78/0x1d0 [ 85.254154][ T5683] el0t_64_sync_handler+0xcc/0xe4 [ 85.255037][ T5683] el0t_64_sync+0x1a0/0x1a4 [ 85.264199][ T5681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.265406][ T5681] CPU: 1 PID: 5681 Comm: syz.4.71 Not tainted syzkaller #0 [ 85.266543][ T5681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.268188][ T5681] Call trace: [ 85.268756][ T5681] dump_backtrace+0x0/0x458 [ 85.269471][ T5681] show_stack+0x2c/0x3c [ 85.270167][ T5681] __dump_stack+0x30/0x40 [ 85.270892][ T5681] dump_stack_lvl+0xf4/0x15c [ 85.271612][ T5681] dump_stack+0x1c/0x5c [ 85.272301][ T5681] sysfs_create_dir_ns+0x244/0x264 [ 85.273173][ T5681] kobject_add_internal+0x5ac/0xc3c [ 85.274032][ T5681] kobject_init_and_add+0x124/0x190 [ 85.274906][ T5681] gfs2_sys_fs_add+0x200/0x41c [ 85.275668][ T5681] gfs2_fill_super+0xddc/0x1a18 [ 85.276486][ T5681] get_tree_bdev+0x358/0x544 [ 85.277256][ T5681] gfs2_get_tree+0x54/0x1b4 [ 85.278028][ T5681] vfs_get_tree+0x90/0x274 [ 85.278813][ T5681] do_new_mount+0x228/0x810 [ 85.279380][ T5683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.279535][ T5681] path_mount+0x5bc/0x1008 [ 85.281826][ T5683] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.282439][ T5681] __arm64_sys_mount+0x514/0x5f0 [ 85.282454][ T5681] invoke_syscall+0x98/0x2b0 [ 85.282462][ T5681] el0_svc_common+0x138/0x258 [ 85.285705][ T5681] do_el0_svc+0x58/0x13c [ 85.286442][ T5681] el0_svc+0x78/0x1d0 [ 85.287127][ T5681] el0t_64_sync_handler+0xcc/0xe4 [ 85.287966][ T5681] el0t_64_sync+0x1a0/0x1a4 [ 85.292865][ T5685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.294030][ T5685] CPU: 0 PID: 5685 Comm: syz.0.73 Not tainted syzkaller #0 [ 85.295147][ T5685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.296860][ T5685] Call trace: [ 85.297412][ T5685] dump_backtrace+0x0/0x458 [ 85.298239][ T5685] show_stack+0x2c/0x3c [ 85.298914][ T5685] __dump_stack+0x30/0x40 [ 85.299661][ T5685] dump_stack_lvl+0xf4/0x15c [ 85.300448][ T5685] dump_stack+0x1c/0x5c [ 85.301132][ T5685] sysfs_create_dir_ns+0x244/0x264 [ 85.302012][ T5685] kobject_add_internal+0x5ac/0xc3c [ 85.302859][ T5685] kobject_init_and_add+0x124/0x190 [ 85.303721][ T5685] gfs2_sys_fs_add+0x200/0x41c [ 85.304497][ T5685] gfs2_fill_super+0xddc/0x1a18 [ 85.305323][ T5685] get_tree_bdev+0x358/0x544 [ 85.306086][ T5685] gfs2_get_tree+0x54/0x1b4 [ 85.306852][ T5685] vfs_get_tree+0x90/0x274 [ 85.307579][ T5685] do_new_mount+0x228/0x810 [ 85.308348][ T5685] path_mount+0x5bc/0x1008 [ 85.309112][ T5685] __arm64_sys_mount+0x514/0x5f0 [ 85.309896][ T5685] invoke_syscall+0x98/0x2b0 [ 85.310660][ T5685] el0_svc_common+0x138/0x258 [ 85.311404][ T5685] do_el0_svc+0x58/0x13c [ 85.312121][ T5685] el0_svc+0x78/0x1d0 [ 85.312786][ T5685] el0t_64_sync_handler+0xcc/0xe4 [ 85.313686][ T5685] el0t_64_sync+0x1a0/0x1a4 [ 85.320399][ T5681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.327504][ T5681] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.333611][ T5685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.335870][ T5685] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.344462][ T5687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.345750][ T5687] CPU: 0 PID: 5687 Comm: syz.1.74 Not tainted syzkaller #0 [ 85.346896][ T5687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.348501][ T5687] Call trace: [ 85.349053][ T5687] dump_backtrace+0x0/0x458 [ 85.349784][ T5687] show_stack+0x2c/0x3c [ 85.350460][ T5687] __dump_stack+0x30/0x40 [ 85.351165][ T5687] dump_stack_lvl+0xf4/0x15c [ 85.351935][ T5687] dump_stack+0x1c/0x5c [ 85.352589][ T5687] sysfs_create_dir_ns+0x244/0x264 [ 85.353448][ T5687] kobject_add_internal+0x5ac/0xc3c [ 85.354361][ T5687] kobject_init_and_add+0x124/0x190 [ 85.355258][ T5687] gfs2_sys_fs_add+0x200/0x41c [ 85.356099][ T5687] gfs2_fill_super+0xddc/0x1a18 [ 85.356880][ T5687] get_tree_bdev+0x358/0x544 [ 85.357591][ T5687] gfs2_get_tree+0x54/0x1b4 [ 85.358355][ T5687] vfs_get_tree+0x90/0x274 [ 85.359089][ T5687] do_new_mount+0x228/0x810 [ 85.359811][ T5687] path_mount+0x5bc/0x1008