[ 52.623949][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.711113][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.760500][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.801657][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 Warning: Permanently added '10.128.1.125' (ED25519) to the list of known hosts. 1970/01/01 00:00:56 parsed 1 programs [ 56.713406][ T9] device hsr_slave_0 left promiscuous mode [ 56.758289][ T9] device hsr_slave_1 left promiscuous mode [ 56.848047][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 56.849326][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 56.851133][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 56.852293][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 56.853765][ T9] device bridge_slave_1 left promiscuous mode [ 56.854866][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.888530][ T9] device bridge_slave_0 left promiscuous mode [ 56.889505][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.017529][ T9] device veth1_macvtap left promiscuous mode [ 57.018621][ T9] device veth0_macvtap left promiscuous mode [ 57.019818][ T9] device veth1_vlan left promiscuous mode [ 57.020945][ T9] device veth0_vlan left promiscuous mode [ 57.116819][ T9] team0 (unregistering): Port device team_slave_1 removed [ 57.122049][ T9] team0 (unregistering): Port device team_slave_0 removed [ 57.126415][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 57.171481][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 57.270549][ T9] bond0 (unregistering): Released all slaves [ 57.858380][ T4300] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 59.593941][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.595294][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.596704][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.611545][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.612988][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.614745][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.629441][ T4336] chnl_net:caif_netlink_parms(): no params data found [ 59.750315][ T4336] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.751702][ T4336] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.753310][ T4336] device bridge_slave_0 entered promiscuous mode [ 59.771523][ T4336] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.772802][ T4336] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.775762][ T4336] device bridge_slave_1 entered promiscuous mode [ 59.809928][ T4336] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.813261][ T4336] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.824067][ T4336] team0: Port device team_slave_0 added [ 59.826691][ T4336] team0: Port device team_slave_1 added [ 59.846447][ T4336] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.847883][ T4336] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 59.852285][ T4336] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.854893][ T4336] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.856035][ T4336] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 59.862613][ T4336] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.928851][ T4336] device hsr_slave_0 entered promiscuous mode [ 59.977729][ T4336] device hsr_slave_1 entered promiscuous mode [ 60.072770][ T4336] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.110950][ T4336] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.159703][ T4336] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.210448][ T4336] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.313260][ T4336] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.314652][ T4336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.316011][ T4336] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.317270][ T4336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.337741][ T4336] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.342296][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.344087][ T487] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.345710][ T487] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.348148][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.352654][ T4336] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.360223][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.361890][ T487] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.363011][ T487] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.364391][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.365966][ T487] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.367151][ T487] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.377166][ T4336] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.379780][ T4336] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.383319][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.385314][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.386977][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.391121][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.392682][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.394269][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.438384][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.439912][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.442813][ T4336] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.450703][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.460041][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.462160][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.463663][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.466576][ T4336] device veth0_vlan entered promiscuous mode [ 60.471586][ T4336] device veth1_vlan entered promiscuous mode [ 60.479610][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.481225][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.482898][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.486412][ T4336] device veth0_macvtap entered promiscuous mode [ 60.490864][ T4336] device veth1_macvtap entered promiscuous mode [ 60.497042][ T4336] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.499132][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.501273][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.504778][ T4336] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.506242][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.511703][ T4336] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.513098][ T4336] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.514594][ T4336] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.516103][ T4336] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:00 executed programs: 0 [ 60.865100][ T4384] chnl_net:caif_netlink_parms(): no params data found [ 60.870815][ T4386] chnl_net:caif_netlink_parms(): no params data found [ 61.158896][ T4393] chnl_net:caif_netlink_parms(): no params data found [ 61.194876][ T4388] chnl_net:caif_netlink_parms(): no params data found [ 61.207389][ T9] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.226176][ T4386] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.228449][ T4386] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.230142][ T4386] device bridge_slave_0 entered promiscuous mode [ 61.232324][ T4393] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.233686][ T4393] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.235324][ T4393] device bridge_slave_0 entered promiscuous mode [ 61.248048][ T4386] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.249239][ T4386] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.250777][ T4386] device bridge_slave_1 entered promiscuous mode [ 61.252253][ T4393] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.253536][ T4393] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.255285][ T4393] device bridge_slave_1 entered promiscuous mode [ 61.267793][ T4384] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.269093][ T4384] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.270922][ T4384] device bridge_slave_0 entered promiscuous mode [ 61.284643][ T4393] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.286304][ T4388] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.287552][ T4388] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.289187][ T4388] device bridge_slave_0 entered promiscuous mode [ 61.290910][ T4384] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.292113][ T4384] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.293854][ T4384] device bridge_slave_1 entered promiscuous mode [ 61.296519][ T4386] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.303247][ T4386] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.306357][ T4393] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.308822][ T4388] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.310098][ T4388] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.311806][ T4388] device bridge_slave_1 entered promiscuous mode [ 61.341164][ T4384] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.350750][ T4393] team0: Port device team_slave_0 added [ 61.353019][ T4388] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.355506][ T4384] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.358120][ T4388] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.361162][ T4386] team0: Port device team_slave_0 added [ 61.362932][ T4393] team0: Port device team_slave_1 added [ 61.364599][ T4386] team0: Port device team_slave_1 added [ 61.383498][ T4394] chnl_net:caif_netlink_parms(): no params data found [ 61.386908][ T4388] team0: Port device team_slave_0 added [ 61.389608][ T4388] team0: Port device team_slave_1 added [ 61.405393][ T4384] team0: Port device team_slave_0 added [ 61.407923][ T4388] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.409057][ T4388] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 61.413224][ T4388] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.415811][ T4384] team0: Port device team_slave_1 added [ 61.417176][ T4393] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.418602][ T4393] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 61.422682][ T4393] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.430491][ T4386] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.431724][ T4386] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 61.436585][ T4386] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.439285][ T4388] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.440558][ T4388] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 61.445010][ T4388] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.447343][ T4386] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.448708][ T4386] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 61.453013][ T4386] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.459349][ T4393] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.460606][ T4393] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 61.464785][ T4393] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.491377][ T4384] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.492655][ T4384] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 61.496857][ T4384] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.548819][ T4388] device hsr_slave_0 entered promiscuous mode [ 61.597821][ T4388] device hsr_slave_1 entered promiscuous mode [ 61.637505][ T4388] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.638765][ T4388] Cannot create hsr debugfs directory [ 61.646194][ T4384] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.647967][ T4384] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 61.652079][ T4384] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.688775][ T4386] device hsr_slave_0 entered promiscuous mode [ 61.727666][ T4386] device hsr_slave_1 entered promiscuous mode [ 61.767502][ T4386] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.768785][ T4386] Cannot create hsr debugfs directory [ 61.848843][ T4393] device hsr_slave_0 entered promiscuous mode [ 61.887757][ T4393] device hsr_slave_1 entered promiscuous mode [ 61.927619][ T4393] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.928920][ T4393] Cannot create hsr debugfs directory [ 61.930008][ T4394] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.931181][ T4394] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.932712][ T4394] device bridge_slave_0 entered promiscuous mode [ 61.935017][ T4394] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.936050][ T4394] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.938148][ T4394] device bridge_slave_1 entered promiscuous mode [ 61.960101][ T4394] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.962723][ T4394] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.008756][ T4384] device hsr_slave_0 entered promiscuous mode [ 62.068175][ T4384] device hsr_slave_1 entered promiscuous mode [ 62.107752][ T4384] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.109052][ T4384] Cannot create hsr debugfs directory [ 62.116807][ T4394] team0: Port device team_slave_0 added [ 62.124146][ T4394] team0: Port device team_slave_1 added [ 62.154030][ T4394] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.155288][ T4394] 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. [ 62.163610][ T4394] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.171861][ T4394] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.173099][ T4394] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 62.177403][ T4394] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.278610][ T4394] device hsr_slave_0 entered promiscuous mode [ 62.317727][ T4394] device hsr_slave_1 entered promiscuous mode [ 62.357519][ T4394] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.358850][ T4394] Cannot create hsr debugfs directory [ 62.737624][ T4076] Bluetooth: hci4: command 0x0409 tx timeout [ 62.747631][ T4112] Bluetooth: hci2: command 0x0409 tx timeout [ 62.748780][ T4112] Bluetooth: hci1: command 0x0409 tx timeout [ 62.749824][ T4112] Bluetooth: hci0: command 0x0409 tx timeout [ 62.827553][ T4112] Bluetooth: hci3: command 0x0409 tx timeout [ 63.910898][ T9] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.817516][ T1544] Bluetooth: hci0: command 0x041b tx timeout [ 64.818719][ T1544] Bluetooth: hci1: command 0x041b tx timeout [ 64.819802][ T1544] Bluetooth: hci2: command 0x041b tx timeout [ 64.820869][ T1544] Bluetooth: hci4: command 0x041b tx timeout [ 64.897564][ T1544] Bluetooth: hci3: command 0x041b tx timeout [ 66.251025][ T9] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.291044][ T9] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.897582][ T4165] Bluetooth: hci4: command 0x040f tx timeout [ 66.898837][ T4165] Bluetooth: hci2: command 0x040f tx timeout [ 66.899925][ T4165] Bluetooth: hci1: command 0x040f tx timeout [ 66.900976][ T4165] Bluetooth: hci0: command 0x040f tx timeout [ 66.977576][ T4165] Bluetooth: hci3: command 0x040f tx timeout [ 67.645822][ T4388] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.681799][ T4388] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.741383][ T4388] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.791891][ T4388] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.852107][ T4388] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.856077][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.857857][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.884954][ T4388] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.888450][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.890107][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.891710][ T587] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.892919][ T587] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.894581][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.897119][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.899013][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.900609][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.901817][ T295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.915791][ T4388] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.918366][ T4388] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.920728][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.922424][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.924596][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.926512][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.928599][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.930249][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.932094][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.933692][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.935365][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.936961][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.943439][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.951128][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.985638][ T4388] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.987975][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.989261][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.995727][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.998192][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.006308][ T4388] device veth0_vlan entered promiscuous mode [ 68.010939][ T4388] device veth1_vlan entered promiscuous mode [ 68.012503][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.014347][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.016147][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.018638][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.020275][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.095568][ T4388] device veth0_macvtap entered promiscuous mode [ 68.097780][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.099385][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.101115][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.102854][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.106555][ T4388] device veth1_macvtap entered promiscuous mode [ 68.113666][ T4388] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 68.115537][ T4388] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 68.121445][ T4388] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.122878][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.124821][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.126428][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.132634][ T4388] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 68.134340][ T4388] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 68.136614][ T4388] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.138652][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.140444][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.152880][ T4388] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.154450][ T4388] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.155993][ T4388] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.158347][ T4388] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.186318][ T487] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.187917][ T487] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.189232][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.198973][ T587] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.200427][ T587] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.201921][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:08 executed programs: 10 [ 68.290807][ T4384] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.312289][ T4384] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.338679][ T4384] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.378781][ T4384] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.424951][ T4661] loop2: detected capacity change from 0 to 32768 [ 68.433465][ T4393] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.469011][ T4393] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.471632][ T4661] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 68.472990][ T4661] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 68.485125][ T4661] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 68.513252][ T4386] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.523545][ T4661] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 68.538693][ T4393] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.578797][ T4386] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.609185][ T4386] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.619936][ T4386] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.671753][ T4393] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.727927][ T4394] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.774627][ T4394] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.808913][ T4394] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.849175][ T4394] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.882043][ T4384] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.906480][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.908348][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.919825][ T4384] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.943639][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.945473][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.947134][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.948467][ T295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.959544][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.979086][ T4165] Bluetooth: hci0: command 0x0419 tx timeout [ 68.980387][ T4165] Bluetooth: hci1: command 0x0419 tx timeout [ 68.981505][ T4165] Bluetooth: hci2: command 0x0419 tx timeout [ 68.982626][ T4165] Bluetooth: hci4: command 0x0419 tx timeout [ 69.006244][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.008384][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.009945][ T587] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.011094][ T587] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.019346][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.051166][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.054761][ T4393] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.057876][ T4165] Bluetooth: hci3: command 0x0419 tx timeout [ 69.069153][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.071111][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.072876][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.091787][ T4717] loop2: detected capacity change from 0 to 32768 [ 69.113504][ T4386] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.119117][ T4717] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 69.120608][ T4717] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 69.136574][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.138701][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.140221][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.141976][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.148082][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.149690][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.160405][ T4394] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.163712][ T4717] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 69.179686][ T4386] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.184125][ T4393] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.185335][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.187104][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.193745][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.196685][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.198767][ T587] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.200016][ T587] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.201947][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.203268][ T4717] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 69.206783][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.208950][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.233859][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.235773][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.237318][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.238723][ T295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.242559][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.253855][ T4394] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.267666][ T4384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.276663][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.278444][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.280322][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.282018][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.283621][ T587] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.284894][ T587] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.295249][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.297282][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.304730][ T587] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.306021][ T587] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.311380][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.314782][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.327405][ T4394] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.335743][ T4394] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.343054][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.344863][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.346434][ T487] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.347704][ T487] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.356638][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.358815][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.360403][ T487] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.361653][ T487] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.363141][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.374071][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.376000][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.378520][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.380512][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.382265][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.383947][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.385619][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.391962][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.393748][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.395350][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.396947][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.399217][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.410311][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.412131][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.413888][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.415519][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.423552][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.425399][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.434876][ T4393] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.436705][ T4393] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.441511][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.443188][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.445073][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.446742][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.450013][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.451813][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.455256][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.465185][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.468551][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.483166][ T4386] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.484986][ T4386] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.489932][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.492523][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.494179][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.495822][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.499520][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.501091][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.505344][ T587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.547026][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.549395][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.563235][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.564590][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.582482][ T4394] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.598619][ T4384] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.621011][ T3344] cfg80211: failed to load regulatory.db [ 69.628731][ T2066] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.629945][ T2066] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.648510][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.650445][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.672729][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.674431][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.675969][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.677405][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.692657][ T4384] device veth0_vlan entered promiscuous mode [ 69.716012][ T4384] device veth1_vlan entered promiscuous mode [ 69.740339][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.742118][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.743750][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.745069][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.772590][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.774047][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.786600][ T4386] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.803792][ T4393] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.809236][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.810994][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.831889][ T4384] device veth0_macvtap entered promiscuous mode [ 69.850453][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.852109][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.853860][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.936935][ T4767] loop2: detected capacity change from 0 to 32768 [ 69.980222][ T4384] device veth1_macvtap entered promiscuous mode [ 69.985393][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.986926][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.000650][ T4767] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 70.002211][ T4767] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 70.005524][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.044968][ T4767] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 70.092542][ T4767] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 70.105280][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.107229][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.147587][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.149466][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.151123][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.152636][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.154332][ T4393] device veth0_vlan entered promiscuous mode [ 70.181898][ T4386] device veth0_vlan entered promiscuous mode [ 70.186113][ T4384] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.188322][ T4384] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.189905][ T4384] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.191578][ T4384] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.193960][ T4384] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.200226][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.201885][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.203434][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.205018][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.206421][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.217930][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.219677][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.221400][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.224392][ T4393] device veth1_vlan entered promiscuous mode [ 70.233698][ T4386] device veth1_vlan entered promiscuous mode [ 70.248290][ T4394] device veth0_vlan entered promiscuous mode [ 70.252226][ T4394] device veth1_vlan entered promiscuous mode [ 70.255252][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.256956][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.259743][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.261280][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.263413][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.265045][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.268274][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.324532][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.326254][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.328626][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.350152][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.354373][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.356202][ T4384] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.358324][ T4384] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.360039][ T4384] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.361695][ T4384] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.364148][ T4384] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.365519][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.367247][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.396543][ T4394] device veth0_macvtap entered promiscuous mode [ 70.408798][ T4394] device veth1_macvtap entered promiscuous mode [ 70.411182][ T4386] device veth0_macvtap entered promiscuous mode [ 70.419845][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.421598][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.423079][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.424621][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.426336][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.440485][ T4386] device veth1_macvtap entered promiscuous mode [ 70.443432][ T4393] device veth0_macvtap entered promiscuous mode [ 70.466141][ T4384] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.471646][ T4384] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.473219][ T4384] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.474640][ T4384] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.483722][ T4393] device veth1_macvtap entered promiscuous mode [ 70.514795][ T4393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.516582][ T4393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.519216][ T4393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.520993][ T4393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.522493][ T4393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.524172][ T4393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.526732][ T4393] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.535233][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.536855][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.553658][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.555318][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.559843][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.579543][ T4394] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.581561][ T4394] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.583211][ T4394] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.584837][ T4394] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.586429][ T4394] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.605626][ T4394] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.608080][ T4394] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.609916][ T4394] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.625981][ T4394] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.643156][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.645063][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.670235][ T4386] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.672030][ T4386] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.673818][ T4386] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.675494][ T4386] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.677113][ T4386] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.697820][ T4386] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.699424][ T4386] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.701137][ T4386] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.702724][ T4386] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.704420][ T4386] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.722853][ T4386] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.733321][ T4393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.735030][ T4393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.736712][ T4393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.739813][ T4393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.741530][ T4393] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.743331][ T4393] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.746069][ T4393] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.751927][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.753837][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.755446][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.757149][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.765897][ T4394] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.771588][ T4394] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.773259][ T4394] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.774872][ T4394] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.776455][ T4394] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.779289][ T4394] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.780723][ T4394] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.782349][ T4394] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.785090][ T4394] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.788535][ T4393] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.790057][ T4393] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.791563][ T4393] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.793099][ T4393] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.809566][ T4386] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.811402][ T4386] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.812988][ T4386] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.814652][ T4386] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.816236][ T4386] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.827679][ T4386] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.829347][ T4386] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.831079][ T4386] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.832665][ T4386] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.834397][ T4386] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.836855][ T4386] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.849204][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.850955][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.852482][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.854226][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.867645][ T4394] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.869153][ T4394] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.870657][ T4394] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.872003][ T4394] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.900604][ T4386] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.902030][ T4386] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.903569][ T4386] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.904997][ T4386] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.938460][ T4825] loop2: detected capacity change from 0 to 32768 [ 70.943380][ T4825] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 70.944821][ T4825] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 70.956455][ T295] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.962373][ T295] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.977140][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.984219][ T4825] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 71.008404][ T628] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.010084][ T856] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.011308][ T856] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.012590][ T628] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.021633][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.023310][ T856] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.044850][ T4825] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 71.068011][ T487] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.069373][ T487] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.100064][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.115286][ T487] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.116626][ T487] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.180535][ T487] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.187792][ T628] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.189087][ T628] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.190433][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.216772][ T628] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.224878][ T628] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.226448][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.290102][ T628] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.291465][ T628] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.293444][ T628] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.588807][ T4857] loop0: detected capacity change from 0 to 32768 [ 71.626100][ T4857] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.627678][ T4857] CPU: 1 PID: 4857 Comm: syz.0.15 Not tainted syzkaller #0 [ 71.628891][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 71.630729][ T4857] Call trace: [ 71.631328][ T4857] dump_backtrace+0x0/0x458 [ 71.632202][ T4857] show_stack+0x2c/0x3c [ 71.632977][ T4857] __dump_stack+0x30/0x40 [ 71.633750][ T4857] dump_stack_lvl+0xf4/0x15c [ 71.634503][ T4857] dump_stack+0x1c/0x5c [ 71.635233][ T4857] sysfs_create_dir_ns+0x244/0x264 [ 71.636165][ T4857] kobject_add_internal+0x594/0xc2c [ 71.637178][ T4857] kobject_init_and_add+0x128/0x194 [ 71.638130][ T4857] gfs2_sys_fs_add+0x208/0x428 [ 71.639086][ T4857] gfs2_fill_super+0xe20/0x1a9c [ 71.640055][ T4857] get_tree_bdev+0x35c/0x54c [ 71.640951][ T4857] gfs2_get_tree+0x58/0x1b8 [ 71.641822][ T4857] vfs_get_tree+0x90/0x278 [ 71.642734][ T4857] do_new_mount+0x228/0x804 [ 71.643669][ T4857] path_mount+0x57c/0xfe8 [ 71.644559][ T4857] __arm64_sys_mount+0x488/0x5f8 [ 71.645560][ T4857] invoke_syscall+0x98/0x28c [ 71.646504][ T4857] el0_svc_common+0x13c/0x258 [ 71.647437][ T4857] do_el0_svc+0x5c/0x140 [ 71.648315][ T4857] el0_svc+0x78/0x1d0 [ 71.649135][ T4857] el0t_64_sync_handler+0xcc/0xe4 [ 71.650137][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 71.690182][ T4857] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.692432][ T4857] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.756723][ T4862] loop3: detected capacity change from 0 to 32768 [ 71.760611][ T4864] loop4: detected capacity change from 0 to 32768 [ 71.786314][ T4868] loop1: detected capacity change from 0 to 32768 [ 71.799555][ T4864] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 71.801059][ T4864] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 71.813800][ T4862] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.815261][ T4862] CPU: 0 PID: 4862 Comm: syz.3.18 Not tainted syzkaller #0 [ 71.816586][ T4862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 71.818355][ T4862] Call trace: [ 71.818922][ T4862] dump_backtrace+0x0/0x458 [ 71.819836][ T4862] show_stack+0x2c/0x3c [ 71.820558][ T4862] __dump_stack+0x30/0x40 [ 71.821334][ T4862] dump_stack_lvl+0xf4/0x15c [ 71.822160][ T4862] dump_stack+0x1c/0x5c [ 71.822954][ T4862] sysfs_create_dir_ns+0x244/0x264 [ 71.823798][ T4862] kobject_add_internal+0x594/0xc2c [ 71.824686][ T4862] kobject_init_and_add+0x128/0x194 [ 71.825518][ T4862] gfs2_sys_fs_add+0x208/0x428 [ 71.826323][ T4862] gfs2_fill_super+0xe20/0x1a9c [ 71.827147][ T4862] get_tree_bdev+0x35c/0x54c [ 71.827967][ T4862] gfs2_get_tree+0x58/0x1b8 [ 71.828685][ T4862] vfs_get_tree+0x90/0x278 [ 71.829415][ T4862] do_new_mount+0x228/0x804 [ 71.830222][ T4862] path_mount+0x57c/0xfe8 [ 71.830921][ T4862] __arm64_sys_mount+0x488/0x5f8 [ 71.831774][ T4862] invoke_syscall+0x98/0x28c [ 71.832505][ T4862] el0_svc_common+0x13c/0x258 [ 71.833286][ T4862] do_el0_svc+0x5c/0x140 [ 71.834033][ T4862] el0_svc+0x78/0x1d0 [ 71.834719][ T4862] el0t_64_sync_handler+0xcc/0xe4 [ 71.835562][ T4862] el0t_64_sync+0x1a0/0x1a4 [ 71.839649][ T4868] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.841008][ T4868] CPU: 1 PID: 4868 Comm: syz.1.16 Not tainted syzkaller #0 [ 71.842243][ T4868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 71.843898][ T4868] Call trace: [ 71.844433][ T4868] dump_backtrace+0x0/0x458 [ 71.845216][ T4868] show_stack+0x2c/0x3c [ 71.845958][ T4868] __dump_stack+0x30/0x40 [ 71.846704][ T4868] dump_stack_lvl+0xf4/0x15c [ 71.847525][ T4868] dump_stack+0x1c/0x5c [ 71.848257][ T4868] sysfs_create_dir_ns+0x244/0x264 [ 71.849168][ T4868] kobject_add_internal+0x594/0xc2c [ 71.850110][ T4868] kobject_init_and_add+0x128/0x194 [ 71.851025][ T4868] gfs2_sys_fs_add+0x208/0x428 [ 71.851888][ T4868] gfs2_fill_super+0xe20/0x1a9c [ 71.852833][ T4868] get_tree_bdev+0x35c/0x54c [ 71.853645][ T4868] gfs2_get_tree+0x58/0x1b8 [ 71.854416][ T4868] vfs_get_tree+0x90/0x278 [ 71.855177][ T4868] do_new_mount+0x228/0x804 [ 71.855947][ T4868] path_mount+0x57c/0xfe8 [ 71.856640][ T4868] __arm64_sys_mount+0x488/0x5f8 [ 71.857432][ T4868] invoke_syscall+0x98/0x28c [ 71.858178][ T4868] el0_svc_common+0x13c/0x258 [ 71.858971][ T4868] do_el0_svc+0x5c/0x140 [ 71.859661][ T4868] el0_svc+0x78/0x1d0 [ 71.860353][ T4868] el0t_64_sync_handler+0xcc/0xe4 [ 71.861233][ T4868] el0t_64_sync+0x1a0/0x1a4 [ 71.874083][ T4864] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 71.923349][ T4862] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.925662][ T4862] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.946566][ T4864] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 71.987519][ T4868] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.989872][ T4868] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.121078][ T4857] loop0: detected capacity change from 0 to 32768 [ 72.168921][ T4857] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.170127][ T4857] CPU: 1 PID: 4857 Comm: syz.0.15 Not tainted syzkaller #0 [ 72.171503][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 72.173268][ T4857] Call trace: [ 72.173875][ T4857] dump_backtrace+0x0/0x458 [ 72.174757][ T4857] show_stack+0x2c/0x3c [ 72.175557][ T4857] __dump_stack+0x30/0x40 [ 72.176338][ T4857] dump_stack_lvl+0xf4/0x15c [ 72.177115][ T4857] dump_stack+0x1c/0x5c [ 72.177816][ T4857] sysfs_create_dir_ns+0x244/0x264 [ 72.178844][ T4857] kobject_add_internal+0x594/0xc2c [ 72.179880][ T4857] kobject_init_and_add+0x128/0x194 [ 72.180775][ T4857] gfs2_sys_fs_add+0x208/0x428 [ 72.181579][ T4857] gfs2_fill_super+0xe20/0x1a9c [ 72.182407][ T4857] get_tree_bdev+0x35c/0x54c [ 72.183116][ T4857] gfs2_get_tree+0x58/0x1b8 [ 72.183885][ T4857] vfs_get_tree+0x90/0x278 [ 72.184798][ T4857] do_new_mount+0x228/0x804 [ 72.185726][ T4857] path_mount+0x57c/0xfe8 [ 72.186620][ T4857] __arm64_sys_mount+0x488/0x5f8 [ 72.187579][ T4857] invoke_syscall+0x98/0x28c [ 72.188504][ T4857] el0_svc_common+0x13c/0x258 [ 72.189469][ T4857] do_el0_svc+0x5c/0x140 [ 72.190318][ T4857] el0_svc+0x78/0x1d0 [ 72.191134][ T4857] el0t_64_sync_handler+0xcc/0xe4 [ 72.192074][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 72.260803][ T4857] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.263077][ T4857] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.443683][ T4868] loop1: detected capacity change from 0 to 32768 [ 72.523255][ T4868] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 72.524748][ T4868] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 72.526885][ T4862] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.528376][ T4862] CPU: 0 PID: 4862 Comm: syz.3.18 Not tainted syzkaller #0 [ 72.529583][ T4862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 72.530837][ T4868] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 72.531257][ T4862] Call trace: [ 72.533164][ T4862] dump_backtrace+0x0/0x458 [ 72.533928][ T4862] show_stack+0x2c/0x3c [ 72.534630][ T4862] __dump_stack+0x30/0x40 [ 72.535370][ T4862] dump_stack_lvl+0xf4/0x15c [ 72.536174][ T4862] dump_stack+0x1c/0x5c [ 72.536899][ T4862] sysfs_create_dir_ns+0x244/0x264 [ 72.537879][ T4862] kobject_add_internal+0x594/0xc2c [ 72.538842][ T4862] kobject_init_and_add+0x128/0x194 [ 72.539782][ T4862] gfs2_sys_fs_add+0x208/0x428 [ 72.540775][ T4862] gfs2_fill_super+0xe20/0x1a9c [ 72.541686][ T4862] get_tree_bdev+0x35c/0x54c [ 72.542559][ T4862] gfs2_get_tree+0x58/0x1b8 [ 72.543376][ T4862] vfs_get_tree+0x90/0x278 [ 72.543447][ T4557] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 72.544116][ T4862] do_new_mount+0x228/0x804 [ 72.545327][ T4557] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 72.546091][ T4862] path_mount+0x57c/0xfe8 [ 72.548102][ T4862] __arm64_sys_mount+0x488/0x5f8 [ 72.549049][ T4862] invoke_syscall+0x98/0x28c [ 72.549938][ T4862] el0_svc_common+0x13c/0x258 [ 72.550856][ T4862] do_el0_svc+0x5c/0x140 [ 72.551648][ T4862] el0_svc+0x78/0x1d0 [ 72.552378][ T4862] el0t_64_sync_handler+0xcc/0xe4 [ 72.553297][ T4862] el0t_64_sync+0x1a0/0x1a4 [ 72.564754][ T4885] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.566134][ T4885] CPU: 0 PID: 4885 Comm: syz.2.23 Not tainted syzkaller #0 [ 72.567302][ T4885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 72.569075][ T4885] Call trace: [ 72.569649][ T4885] dump_backtrace+0x0/0x458 [ 72.570411][ T4885] show_stack+0x2c/0x3c [ 72.571114][ T4885] __dump_stack+0x30/0x40 [ 72.571849][ T4885] dump_stack_lvl+0xf4/0x15c [ 72.572628][ T4885] dump_stack+0x1c/0x5c [ 72.573345][ T4885] sysfs_create_dir_ns+0x244/0x264 [ 72.574249][ T4885] kobject_add_internal+0x594/0xc2c [ 72.575159][ T4885] kobject_init_and_add+0x128/0x194 [ 72.576056][ T4885] gfs2_sys_fs_add+0x208/0x428 [ 72.576934][ T4885] gfs2_fill_super+0xe20/0x1a9c [ 72.577768][ T4885] get_tree_bdev+0x35c/0x54c [ 72.578553][ T4885] gfs2_get_tree+0x58/0x1b8 [ 72.579335][ T4885] vfs_get_tree+0x90/0x278 [ 72.580132][ T4885] do_new_mount+0x228/0x804 [ 72.580896][ T4885] path_mount+0x57c/0xfe8 [ 72.581633][ T4885] __arm64_sys_mount+0x488/0x5f8 [ 72.582476][ T4885] invoke_syscall+0x98/0x28c [ 72.583233][ T4885] el0_svc_common+0x13c/0x258 [ 72.584023][ T4885] do_el0_svc+0x5c/0x140 [ 72.584754][ T4885] el0_svc+0x78/0x1d0 [ 72.585477][ T4885] el0t_64_sync_handler+0xcc/0xe4 [ 72.586322][ T4885] el0t_64_sync+0x1a0/0x1a4 [ 72.593886][ T4557] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 48ms [ 72.595668][ T4557] gfs2: fsid=syz:syz.0: jid=0: Done [ 72.596929][ T4868] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 72.617647][ T4885] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.619863][ T4885] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.626276][ T4862] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.636381][ T4862] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.723385][ T4868] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 72.732983][ T234] [ 72.733428][ T234] ====================================================== [ 72.734727][ T234] WARNING: possible circular locking dependency detected [ 72.735985][ T234] syzkaller #0 Not tainted [ 72.736747][ T234] ------------------------------------------------------ [ 72.737967][ T234] kworker/1:1H/234 is trying to acquire lock: [ 72.739094][ T234] ffff0000d19800e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x36c [ 72.740923][ T234] [ 72.740923][ T234] but task is already holding lock: [ 72.742307][ T234] ffff80001e9c7c40 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 72.744396][ T234] [ 72.744396][ T234] which lock already depends on the new lock. [ 72.744396][ T234] [ 72.746249][ T234] [ 72.746249][ T234] the existing dependency chain (in reverse order) is: [ 72.747868][ T234] [ 72.747868][ T234] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 72.749707][ T234] process_one_work+0x6e8/0x1178 [ 72.750664][ T234] worker_thread+0x8fc/0x103c [ 72.751603][ T234] kthread+0x37c/0x460 [ 72.752439][ T234] ret_from_fork+0x10/0x20 [ 72.753351][ T234] [ 72.753351][ T234] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 72.754973][ T234] flush_workqueue+0x134/0x1060 [ 72.755958][ T234] gfs2_gl_hash_clear+0xb4/0x2d4 [ 72.757080][ T234] gfs2_put_super+0x5e0/0x678 [ 72.758059][ T234] generic_shutdown_super+0x138/0x2f8 [ 72.759119][ T234] kill_block_super+0x78/0xe0 [ 72.760134][ T234] gfs2_kill_sb+0xc4/0xd8 [ 72.761035][ T234] deactivate_locked_super+0xc0/0x13c [ 72.762019][ T234] deactivate_super+0xf0/0x110 [ 72.762127][ T4898] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.762897][ T234] cleanup_mnt+0x3bc/0x470 [ 72.764173][ T4898] CPU: 0 PID: 4898 Comm: syz.0.24 Not tainted syzkaller #0 [ 72.764973][ T234] __cleanup_mnt+0x20/0x30 [ 72.766462][ T4898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 72.767276][ T234] task_work_run+0x13c/0x1e8 [ 72.769375][ T4898] Call trace: [ 72.770205][ T234] do_notify_resume+0x2488/0x30a8 [ 72.770869][ T4898] dump_backtrace+0x0/0x458 [ 72.771830][ T234] el0_svc+0xf0/0x1d0 [ 72.772735][ T4898] show_stack+0x2c/0x3c [ 72.773516][ T234] el0t_64_sync_handler+0xcc/0xe4 [ 72.774347][ T4898] __dump_stack+0x30/0x40 [ 72.775290][ T234] el0t_64_sync+0x1a0/0x1a4 [ 72.776158][ T4898] dump_stack_lvl+0xf4/0x15c [ 72.776946][ T234] [ 72.776946][ T234] -> #0 (&type->s_umount_key [ 72.777881][ T4898] dump_stack+0x1c/0x5c [ 72.777888][ T234] #50){+.+.}-{3:3}: [ 72.779860][ T4898] sysfs_create_dir_ns+0x244/0x264 [ 72.780512][ T234] __lock_acquire+0x28b0/0x65d4 [ 72.781465][ T4898] kobject_add_internal+0x594/0xc2c [ 72.782364][ T234] lock_acquire+0x1f4/0x618 [ 72.783421][ T4898] kobject_init_and_add+0x128/0x194 [ 72.784232][ T234] down_write+0xbc/0x12c [ 72.785206][ T4898] gfs2_sys_fs_add+0x208/0x428 [ 72.785988][ T234] freeze_super+0x54/0x36c [ 72.786851][ T4898] gfs2_fill_super+0xe20/0x1a9c [ 72.787707][ T234] freeze_go_sync+0x12c/0x320 [ 72.788579][ T4898] get_tree_bdev+0x35c/0x54c [ 72.789375][ T234] do_xmote+0x2f0/0xf64 [ 72.790237][ T4898] gfs2_get_tree+0x58/0x1b8 [ 72.790973][ T234] run_queue+0x400/0x694 [ 72.791770][ T4898] vfs_get_tree+0x90/0x278 [ 72.792540][ T234] glock_work_func+0x20c/0x444 [ 72.793420][ T4898] do_new_mount+0x228/0x804 [ 72.794294][ T234] process_one_work+0x7a4/0x1178 [ 72.795164][ T4898] path_mount+0x57c/0xfe8 [ 72.796013][ T234] worker_thread+0x8fc/0x103c [ 72.796746][ T4898] __arm64_sys_mount+0x488/0x5f8 [ 72.797588][ T234] kthread+0x37c/0x460 [ 72.798472][ T4898] invoke_syscall+0x98/0x28c [ 72.799222][ T234] ret_from_fork+0x10/0x20 [ 72.799969][ T4898] el0_svc_common+0x13c/0x258 [ 72.800762][ T234] [ 72.800762][ T234] other info that might help us debug this: [ 72.800762][ T234] [ 72.801407][ T4898] do_el0_svc+0x5c/0x140 [ 72.803075][ T234] Chain exists of: [ 72.803075][ T234] &type->s_umount_key [ 72.803770][ T4898] el0_svc+0x78/0x1d0 [ 72.803777][ T234] #50 [ 72.803785][ T4898] el0t_64_sync_handler+0xcc/0xe4 [ 72.805126][ T234] --> [ 72.805769][ T4898] el0t_64_sync+0x1a0/0x1a4 [ 72.806178][ T234] (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 72.806178][ T234] [ 72.809924][ T234] Possible unsafe locking scenario: [ 72.809924][ T234] [ 72.811103][ T234] CPU0 CPU1 [ 72.812031][ T234] ---- ---- [ 72.812880][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 72.813968][ T234] lock((wq_completion)glock_workqueue); [ 72.815632][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 72.817501][ T234] lock(&type->s_umount_key#50); [ 72.818404][ T234] [ 72.818404][ T234] *** DEADLOCK *** [ 72.818404][ T234] [ 72.819843][ T234] 2 locks held by kworker/1:1H/234: [ 72.820683][ T234] #0: ffff0000c2f31138 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x67c/0x1178 [ 72.822697][ T234] #1: ffff80001e9c7c40 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 72.824897][ T234] [ 72.824897][ T234] stack backtrace: [ 72.825938][ T234] CPU: 1 PID: 234 Comm: kworker/1:1H Not tainted syzkaller #0 [ 72.827294][ T234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 72.829042][ T234] Workqueue: glock_workqueue glock_work_func [ 72.830083][ T234] Call trace: [ 72.830661][ T234] dump_backtrace+0x0/0x458 [ 72.831510][ T234] show_stack+0x2c/0x3c [ 72.832290][ T234] __dump_stack+0x30/0x40 [ 72.833062][ T234] dump_stack_lvl+0xf4/0x15c [ 72.833856][ T234] dump_stack+0x1c/0x5c [ 72.834595][ T234] print_circular_bug+0x148/0x1b0 [ 72.835452][ T234] check_noncircular+0x264/0x2f8 [ 72.836260][ T234] __lock_acquire+0x28b0/0x65d4 [ 72.837064][ T234] lock_acquire+0x1f4/0x618 [ 72.837795][ T234] down_write+0xbc/0x12c [ 72.838481][ T234] freeze_super+0x54/0x36c [ 72.839211][ T234] freeze_go_sync+0x12c/0x320 [ 72.839991][ T234] do_xmote+0x2f0/0xf64 [ 72.840760][ T234] run_queue+0x400/0x694 [ 72.841482][ T234] glock_work_func+0x20c/0x444 [ 72.842284][ T234] process_one_work+0x7a4/0x1178 [ 72.843084][ T234] worker_thread+0x8fc/0x103c [ 72.843854][ T234] kthread+0x37c/0x460 [ 72.844539][ T234] ret_from_fork+0x10/0x20 [ 72.851433][ T4898] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.853685][ T4898] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.071094][ T4912] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.072351][ T4912] CPU: 1 PID: 4912 Comm: syz.4.25 Not tainted syzkaller #0 [ 73.073603][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.075438][ T4912] Call trace: [ 73.076051][ T4912] dump_backtrace+0x0/0x458 [ 73.076803][ T4912] show_stack+0x2c/0x3c [ 73.077545][ T4912] __dump_stack+0x30/0x40 [ 73.078249][ T4912] dump_stack_lvl+0xf4/0x15c [ 73.078532][ T4914] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.079025][ T4912] dump_stack+0x1c/0x5c [ 73.079043][ T4912] sysfs_create_dir_ns+0x244/0x264 [ 73.081849][ T4912] kobject_add_internal+0x594/0xc2c [ 73.082687][ T4912] kobject_init_and_add+0x128/0x194 [ 73.083539][ T4912] gfs2_sys_fs_add+0x208/0x428 [ 73.084331][ T4912] gfs2_fill_super+0xe20/0x1a9c [ 73.085159][ T4912] get_tree_bdev+0x35c/0x54c [ 73.085971][ T4912] gfs2_get_tree+0x58/0x1b8 [ 73.086754][ T4912] vfs_get_tree+0x90/0x278 [ 73.087547][ T4912] do_new_mount+0x228/0x804 [ 73.088322][ T4912] path_mount+0x57c/0xfe8 [ 73.089078][ T4912] __arm64_sys_mount+0x488/0x5f8 [ 73.089949][ T4912] invoke_syscall+0x98/0x28c [ 73.090752][ T4912] el0_svc_common+0x13c/0x258 [ 73.091566][ T4912] do_el0_svc+0x5c/0x140 [ 73.092440][ T4912] el0_svc+0x78/0x1d0 [ 73.093100][ T4912] el0t_64_sync_handler+0xcc/0xe4 [ 73.093958][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 73.097406][ T4914] CPU: 1 PID: 4914 Comm: syz.3.26 Not tainted syzkaller #0 [ 73.098709][ T4914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.100378][ T4914] Call trace: [ 73.100886][ T4914] dump_backtrace+0x0/0x458 [ 73.101622][ T4914] show_stack+0x2c/0x3c [ 73.102330][ T4914] __dump_stack+0x30/0x40 [ 73.103050][ T4914] dump_stack_lvl+0xf4/0x15c [ 73.103748][ T4914] dump_stack+0x1c/0x5c [ 73.104402][ T4914] sysfs_create_dir_ns+0x244/0x264 [ 73.105225][ T4914] kobject_add_internal+0x594/0xc2c [ 73.106034][ T4914] kobject_init_and_add+0x128/0x194 [ 73.106936][ T4914] gfs2_sys_fs_add+0x208/0x428 [ 73.107743][ T4914] gfs2_fill_super+0xe20/0x1a9c [ 73.108537][ T4914] get_tree_bdev+0x35c/0x54c [ 73.109283][ T4914] gfs2_get_tree+0x58/0x1b8 [ 73.110018][ T4914] vfs_get_tree+0x90/0x278 [ 73.110748][ T4914] do_new_mount+0x228/0x804 [ 73.111487][ T4914] path_mount+0x57c/0xfe8 [ 73.112187][ T4914] __arm64_sys_mount+0x488/0x5f8 [ 73.113044][ T4914] invoke_syscall+0x98/0x28c [ 73.113875][ T4914] el0_svc_common+0x13c/0x258 [ 73.114690][ T4914] do_el0_svc+0x5c/0x140 [ 73.115434][ T4914] el0_svc+0x78/0x1d0 [ 73.116131][ T4914] el0t_64_sync_handler+0xcc/0xe4 [ 73.116998][ T4914] el0t_64_sync+0x1a0/0x1a4 [ 73.142357][ T4914] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.144709][ T4914] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.166105][ T4912] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.168479][ T4912] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.223547][ T4885] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.224866][ T4885] CPU: 0 PID: 4885 Comm: syz.2.23 Not tainted syzkaller #0 [ 73.226048][ T4885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.227957][ T4885] Call trace: [ 73.228533][ T4885] dump_backtrace+0x0/0x458 [ 73.229329][ T4885] show_stack+0x2c/0x3c [ 73.230040][ T4885] __dump_stack+0x30/0x40 [ 73.230822][ T4885] dump_stack_lvl+0xf4/0x15c [ 73.231585][ T4885] dump_stack+0x1c/0x5c [ 73.232350][ T4885] sysfs_create_dir_ns+0x244/0x264 [ 73.233275][ T4885] kobject_add_internal+0x594/0xc2c [ 73.234305][ T4885] kobject_init_and_add+0x128/0x194 [ 73.235262][ T4885] gfs2_sys_fs_add+0x208/0x428 [ 73.236148][ T4885] gfs2_fill_super+0xe20/0x1a9c [ 73.237051][ T4885] get_tree_bdev+0x35c/0x54c [ 73.237900][ T4885] gfs2_get_tree+0x58/0x1b8 [ 73.238740][ T4885] vfs_get_tree+0x90/0x278 [ 73.239579][ T4885] do_new_mount+0x228/0x804 [ 73.240393][ T4885] path_mount+0x57c/0xfe8 [ 73.241190][ T4885] __arm64_sys_mount+0x488/0x5f8 [ 73.242088][ T4885] invoke_syscall+0x98/0x28c [ 73.242926][ T4885] el0_svc_common+0x13c/0x258 [ 73.243784][ T4885] do_el0_svc+0x5c/0x140 [ 73.244539][ T4885] el0_svc+0x78/0x1d0 [ 73.245235][ T4885] el0t_64_sync_handler+0xcc/0xe4 [ 73.246106][ T4885] el0t_64_sync+0x1a0/0x1a4 [ 73.257113][ T4898] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.258627][ T4898] CPU: 1 PID: 4898 Comm: syz.0.24 Not tainted syzkaller #0 [ 73.259989][ T4898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.261850][ T4898] Call trace: [ 73.262419][ T4898] dump_backtrace+0x0/0x458 [ 73.263211][ T4898] show_stack+0x2c/0x3c [ 73.263903][ T4898] __dump_stack+0x30/0x40 [ 73.264652][ T4898] dump_stack_lvl+0xf4/0x15c [ 73.265520][ T4898] dump_stack+0x1c/0x5c [ 73.266217][ T4898] sysfs_create_dir_ns+0x244/0x264 [ 73.267083][ T4898] kobject_add_internal+0x594/0xc2c [ 73.267979][ T4898] kobject_init_and_add+0x128/0x194 [ 73.268918][ T4898] gfs2_sys_fs_add+0x208/0x428 [ 73.269757][ T4898] gfs2_fill_super+0xe20/0x1a9c [ 73.270614][ T4898] get_tree_bdev+0x35c/0x54c [ 73.271439][ T4898] gfs2_get_tree+0x58/0x1b8 [ 73.272244][ T4898] vfs_get_tree+0x90/0x278 [ 73.272976][ T4898] do_new_mount+0x228/0x804 [ 73.273761][ T4898] path_mount+0x57c/0xfe8 [ 73.274485][ T4898] __arm64_sys_mount+0x488/0x5f8 [ 73.275318][ T4898] invoke_syscall+0x98/0x28c [ 73.276069][ T4898] el0_svc_common+0x13c/0x258 [ 73.276888][ T4898] do_el0_svc+0x5c/0x140 [ 73.277559][ T4898] el0_svc+0x78/0x1d0 [ 73.278211][ T4898] el0t_64_sync_handler+0xcc/0xe4 [ 73.279068][ T4898] el0t_64_sync+0x1a0/0x1a4 [ 73.307754][ T4885] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.314691][ T4885] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.334212][ T4898] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.336478][ T4898] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:13 executed programs: 22 [ 73.434533][ T4912] set_capacity_and_notify: 7 callbacks suppressed [ 73.434542][ T4912] loop4: detected capacity change from 0 to 32768 [ 73.516429][ T4912] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.517907][ T4912] CPU: 0 PID: 4912 Comm: syz.4.25 Not tainted syzkaller #0 [ 73.519045][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.520611][ T4912] Call trace: [ 73.521167][ T4912] dump_backtrace+0x0/0x458 [ 73.522088][ T4912] show_stack+0x2c/0x3c [ 73.522909][ T4912] __dump_stack+0x30/0x40 [ 73.523738][ T4912] dump_stack_lvl+0xf4/0x15c [ 73.524651][ T4912] dump_stack+0x1c/0x5c [ 73.525478][ T4912] sysfs_create_dir_ns+0x244/0x264 [ 73.526495][ T4912] kobject_add_internal+0x594/0xc2c [ 73.527416][ T4912] kobject_init_and_add+0x128/0x194 [ 73.528526][ T4912] gfs2_sys_fs_add+0x208/0x428 [ 73.529361][ T4912] gfs2_fill_super+0xe20/0x1a9c [ 73.530192][ T4912] get_tree_bdev+0x35c/0x54c [ 73.530995][ T4912] gfs2_get_tree+0x58/0x1b8 [ 73.531716][ T4912] vfs_get_tree+0x90/0x278 [ 73.532466][ T4912] do_new_mount+0x228/0x804 [ 73.533346][ T4912] path_mount+0x57c/0xfe8 [ 73.534057][ T4912] __arm64_sys_mount+0x488/0x5f8 [ 73.534865][ T4912] invoke_syscall+0x98/0x28c [ 73.535694][ T4912] el0_svc_common+0x13c/0x258 [ 73.536505][ T4912] do_el0_svc+0x5c/0x140 [ 73.537253][ T4912] el0_svc+0x78/0x1d0 [ 73.537943][ T4912] el0t_64_sync_handler+0xcc/0xe4 [ 73.538804][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 73.545131][ T4914] loop3: detected capacity change from 0 to 32768 [ 73.548723][ T4912] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.551014][ T4912] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.579857][ T4914] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.581142][ T4914] CPU: 1 PID: 4914 Comm: syz.3.26 Not tainted syzkaller #0 [ 73.582308][ T4914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.583848][ T4914] Call trace: [ 73.584357][ T4914] dump_backtrace+0x0/0x458 [ 73.585087][ T4914] show_stack+0x2c/0x3c [ 73.585904][ T4914] __dump_stack+0x30/0x40 [ 73.586757][ T4914] dump_stack_lvl+0xf4/0x15c [ 73.587661][ T4914] dump_stack+0x1c/0x5c [ 73.588470][ T4914] sysfs_create_dir_ns+0x244/0x264 [ 73.589477][ T4914] kobject_add_internal+0x594/0xc2c [ 73.590493][ T4914] kobject_init_and_add+0x128/0x194 [ 73.591527][ T4914] gfs2_sys_fs_add+0x208/0x428 [ 73.592329][ T4914] gfs2_fill_super+0xe20/0x1a9c [ 73.593295][ T4914] get_tree_bdev+0x35c/0x54c [ 73.594180][ T4914] gfs2_get_tree+0x58/0x1b8 [ 73.595029][ T4914] vfs_get_tree+0x90/0x278 [ 73.595891][ T4914] do_new_mount+0x228/0x804 [ 73.596717][ T4914] path_mount+0x57c/0xfe8 [ 73.597499][ T4914] __arm64_sys_mount+0x488/0x5f8 [ 73.598423][ T4914] invoke_syscall+0x98/0x28c [ 73.599327][ T4914] el0_svc_common+0x13c/0x258 [ 73.600120][ T4914] do_el0_svc+0x5c/0x140 [ 73.600808][ T4914] el0_svc+0x78/0x1d0 [ 73.601515][ T4914] el0t_64_sync_handler+0xcc/0xe4 [ 73.602407][ T4914] el0t_64_sync+0x1a0/0x1a4 [ 73.647829][ T4956] loop0: detected capacity change from 0 to 32768 [ 73.654297][ T4914] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.656436][ T4914] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.680416][ T4956] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.681772][ T4956] CPU: 1 PID: 4956 Comm: syz.0.28 Not tainted syzkaller #0 [ 73.683103][ T4956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.683156][ T4951] loop2: detected capacity change from 0 to 32768 [ 73.684915][ T4956] Call trace: [ 73.686620][ T4956] dump_backtrace+0x0/0x458 [ 73.687486][ T4956] show_stack+0x2c/0x3c [ 73.688261][ T4956] __dump_stack+0x30/0x40 [ 73.689109][ T4956] dump_stack_lvl+0xf4/0x15c [ 73.689949][ T4956] dump_stack+0x1c/0x5c [ 73.690700][ T4956] sysfs_create_dir_ns+0x244/0x264 [ 73.691645][ T4956] kobject_add_internal+0x594/0xc2c [ 73.692591][ T4956] kobject_init_and_add+0x128/0x194 [ 73.693488][ T4956] gfs2_sys_fs_add+0x208/0x428 [ 73.694300][ T4956] gfs2_fill_super+0xe20/0x1a9c [ 73.695141][ T4956] get_tree_bdev+0x35c/0x54c [ 73.695949][ T4956] gfs2_get_tree+0x58/0x1b8 [ 73.696821][ T4956] vfs_get_tree+0x90/0x278 [ 73.697696][ T4956] do_new_mount+0x228/0x804 [ 73.698585][ T4956] path_mount+0x57c/0xfe8 [ 73.699424][ T4956] __arm64_sys_mount+0x488/0x5f8 [ 73.700291][ T4956] invoke_syscall+0x98/0x28c [ 73.701085][ T4956] el0_svc_common+0x13c/0x258 [ 73.701893][ T4956] do_el0_svc+0x5c/0x140 [ 73.702636][ T4956] el0_svc+0x78/0x1d0 [ 73.703325][ T4956] el0t_64_sync_handler+0xcc/0xe4 [ 73.704195][ T4956] el0t_64_sync+0x1a0/0x1a4 [ 73.723376][ T4951] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.724838][ T4951] CPU: 0 PID: 4951 Comm: syz.2.27 Not tainted syzkaller #0 [ 73.726267][ T4951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.728194][ T4951] Call trace: [ 73.728811][ T4951] dump_backtrace+0x0/0x458 [ 73.729654][ T4951] show_stack+0x2c/0x3c [ 73.730404][ T4951] __dump_stack+0x30/0x40 [ 73.731152][ T4951] dump_stack_lvl+0xf4/0x15c [ 73.731980][ T4951] dump_stack+0x1c/0x5c [ 73.732747][ T4951] sysfs_create_dir_ns+0x244/0x264 [ 73.733639][ T4951] kobject_add_internal+0x594/0xc2c [ 73.734570][ T4951] kobject_init_and_add+0x128/0x194 [ 73.735482][ T4951] gfs2_sys_fs_add+0x208/0x428 [ 73.736283][ T4951] gfs2_fill_super+0xe20/0x1a9c [ 73.737108][ T4951] get_tree_bdev+0x35c/0x54c [ 73.737886][ T4951] gfs2_get_tree+0x58/0x1b8 [ 73.738660][ T4951] vfs_get_tree+0x90/0x278 [ 73.739412][ T4951] do_new_mount+0x228/0x804 [ 73.740185][ T4951] path_mount+0x57c/0xfe8 [ 73.740918][ T4951] __arm64_sys_mount+0x488/0x5f8 [ 73.741755][ T4951] invoke_syscall+0x98/0x28c [ 73.742555][ T4951] el0_svc_common+0x13c/0x258 [ 73.743361][ T4951] do_el0_svc+0x5c/0x140 [ 73.744103][ T4951] el0_svc+0x78/0x1d0 [ 73.744806][ T4951] el0t_64_sync_handler+0xcc/0xe4 [ 73.745675][ T4951] el0t_64_sync+0x1a0/0x1a4 [ 73.756896][ T4956] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.766781][ T4956] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.791000][ T4951] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.793341][ T4951] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.942470][ T4968] loop4: detected capacity change from 0 to 32768 [ 73.957588][ T4968] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.958818][ T4968] CPU: 0 PID: 4968 Comm: syz.4.29 Not tainted syzkaller #0 [ 73.959947][ T4968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.961656][ T4968] Call trace: [ 73.962224][ T4968] dump_backtrace+0x0/0x458 [ 73.963010][ T4968] show_stack+0x2c/0x3c [ 73.963749][ T4968] __dump_stack+0x30/0x40 [ 73.964511][ T4968] dump_stack_lvl+0xf4/0x15c [ 73.965326][ T4968] dump_stack+0x1c/0x5c [ 73.966045][ T4968] sysfs_create_dir_ns+0x244/0x264 [ 73.966934][ T4968] kobject_add_internal+0x594/0xc2c [ 73.967908][ T4968] kobject_init_and_add+0x128/0x194 [ 73.968864][ T4968] gfs2_sys_fs_add+0x208/0x428 [ 73.969746][ T4968] gfs2_fill_super+0xe20/0x1a9c [ 73.970555][ T4968] get_tree_bdev+0x35c/0x54c [ 73.971321][ T4968] gfs2_get_tree+0x58/0x1b8 [ 73.972135][ T4968] vfs_get_tree+0x90/0x278 [ 73.972865][ T4968] do_new_mount+0x228/0x804 [ 73.973630][ T4968] path_mount+0x57c/0xfe8 [ 73.974359][ T4968] __arm64_sys_mount+0x488/0x5f8 [ 73.975209][ T4968] invoke_syscall+0x98/0x28c [ 73.976026][ T4968] el0_svc_common+0x13c/0x258 [ 73.976859][ T4968] do_el0_svc+0x5c/0x140 [ 73.977590][ T4968] el0_svc+0x78/0x1d0 [ 73.978274][ T4968] el0t_64_sync_handler+0xcc/0xe4 [ 73.979174][ T4968] el0t_64_sync+0x1a0/0x1a4 [ 73.991900][ T4976] loop3: detected capacity change from 0 to 32768 [ 74.005078][ T4976] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.006371][ T4976] CPU: 1 PID: 4976 Comm: syz.3.30 Not tainted syzkaller #0 [ 74.007549][ T4976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.009211][ T4976] Call trace: [ 74.009749][ T4976] dump_backtrace+0x0/0x458 [ 74.010534][ T4976] show_stack+0x2c/0x3c [ 74.011240][ T4976] __dump_stack+0x30/0x40 [ 74.011957][ T4976] dump_stack_lvl+0xf4/0x15c [ 74.012750][ T4976] dump_stack+0x1c/0x5c [ 74.013599][ T4976] sysfs_create_dir_ns+0x244/0x264 [ 74.014653][ T4976] kobject_add_internal+0x594/0xc2c [ 74.015657][ T4976] kobject_init_and_add+0x128/0x194 [ 74.016571][ T4976] gfs2_sys_fs_add+0x208/0x428 [ 74.017422][ T4976] gfs2_fill_super+0xe20/0x1a9c [ 74.018270][ T4976] get_tree_bdev+0x35c/0x54c [ 74.019119][ T4976] gfs2_get_tree+0x58/0x1b8 [ 74.019888][ T4976] vfs_get_tree+0x90/0x278 [ 74.020640][ T4976] do_new_mount+0x228/0x804 [ 74.021417][ T4976] path_mount+0x57c/0xfe8 [ 74.022126][ T4976] __arm64_sys_mount+0x488/0x5f8 [ 74.022985][ T4976] invoke_syscall+0x98/0x28c [ 74.023714][ T4976] el0_svc_common+0x13c/0x258 [ 74.024469][ T4976] do_el0_svc+0x5c/0x140 [ 74.025180][ T4976] el0_svc+0x78/0x1d0 [ 74.025861][ T4976] el0t_64_sync_handler+0xcc/0xe4 [ 74.026733][ T4976] el0t_64_sync+0x1a0/0x1a4 [ 74.028821][ T4968] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.036441][ T4968] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.057347][ T4951] loop2: detected capacity change from 0 to 32768 [ 74.074922][ T4956] loop0: detected capacity change from 0 to 32768 [ 74.076923][ T4976] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.084310][ T4976] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.087782][ T4956] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.088184][ T4951] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.088940][ T4956] CPU: 1 PID: 4956 Comm: syz.0.28 Not tainted syzkaller #0 [ 74.091601][ T4956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.093504][ T4956] Call trace: [ 74.094117][ T4956] dump_backtrace+0x0/0x458 [ 74.095001][ T4956] show_stack+0x2c/0x3c [ 74.095864][ T4956] __dump_stack+0x30/0x40 [ 74.096700][ T4956] dump_stack_lvl+0xf4/0x15c [ 74.097605][ T4956] dump_stack+0x1c/0x5c [ 74.098354][ T4956] sysfs_create_dir_ns+0x244/0x264 [ 74.099325][ T4956] kobject_add_internal+0x594/0xc2c [ 74.100268][ T4956] kobject_init_and_add+0x128/0x194 [ 74.101159][ T4956] gfs2_sys_fs_add+0x208/0x428 [ 74.102000][ T4956] gfs2_fill_super+0xe20/0x1a9c [ 74.102892][ T4956] get_tree_bdev+0x35c/0x54c [ 74.103690][ T4956] gfs2_get_tree+0x58/0x1b8 [ 74.104496][ T4956] vfs_get_tree+0x90/0x278 [ 74.105317][ T4956] do_new_mount+0x228/0x804 [ 74.106103][ T4956] path_mount+0x57c/0xfe8 [ 74.106869][ T4956] __arm64_sys_mount+0x488/0x5f8 [ 74.107702][ T4956] invoke_syscall+0x98/0x28c [ 74.108427][ T4956] el0_svc_common+0x13c/0x258 [ 74.109242][ T4956] do_el0_svc+0x5c/0x140 [ 74.109966][ T4956] el0_svc+0x78/0x1d0 [ 74.110648][ T4956] el0t_64_sync_handler+0xcc/0xe4 [ 74.111511][ T4956] el0t_64_sync+0x1a0/0x1a4 [ 74.119912][ T4951] CPU: 0 PID: 4951 Comm: syz.2.27 Not tainted syzkaller #0 [ 74.121206][ T4951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.123008][ T4951] Call trace: [ 74.123616][ T4951] dump_backtrace+0x0/0x458 [ 74.124468][ T4951] show_stack+0x2c/0x3c [ 74.125258][ T4951] __dump_stack+0x30/0x40 [ 74.126080][ T4951] dump_stack_lvl+0xf4/0x15c [ 74.126957][ T4951] dump_stack+0x1c/0x5c [ 74.127790][ T4951] sysfs_create_dir_ns+0x244/0x264 [ 74.128818][ T4951] kobject_add_internal+0x594/0xc2c [ 74.129881][ T4951] kobject_init_and_add+0x128/0x194 [ 74.130907][ T4951] gfs2_sys_fs_add+0x208/0x428 [ 74.131794][ T4951] gfs2_fill_super+0xe20/0x1a9c [ 74.132671][ T4951] get_tree_bdev+0x35c/0x54c [ 74.133476][ T4951] gfs2_get_tree+0x58/0x1b8 [ 74.134219][ T4951] vfs_get_tree+0x90/0x278 [ 74.134976][ T4951] do_new_mount+0x228/0x804 [ 74.135766][ T4951] path_mount+0x57c/0xfe8 [ 74.136476][ T4951] __arm64_sys_mount+0x488/0x5f8 [ 74.137336][ T4951] invoke_syscall+0x98/0x28c [ 74.138149][ T4951] el0_svc_common+0x13c/0x258 [ 74.138976][ T4951] do_el0_svc+0x5c/0x140 [ 74.139727][ T4951] el0_svc+0x78/0x1d0 [ 74.140397][ T4951] el0t_64_sync_handler+0xcc/0xe4 [ 74.141300][ T4951] el0t_64_sync+0x1a0/0x1a4 [ 74.162506][ T4956] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.164895][ T4956] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.217774][ T4951] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.220052][ T4951] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.339280][ T4976] loop3: detected capacity change from 0 to 32768 [ 74.350293][ T4976] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.355020][ T4976] CPU: 1 PID: 4976 Comm: syz.3.30 Not tainted syzkaller #0 [ 74.356430][ T4976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.358244][ T4976] Call trace: [ 74.358794][ T4976] dump_backtrace+0x0/0x458 [ 74.359562][ T4976] show_stack+0x2c/0x3c [ 74.360271][ T4976] __dump_stack+0x30/0x40 [ 74.360985][ T4976] dump_stack_lvl+0xf4/0x15c [ 74.361807][ T4976] dump_stack+0x1c/0x5c [ 74.362552][ T4976] sysfs_create_dir_ns+0x244/0x264 [ 74.363449][ T4976] kobject_add_internal+0x594/0xc2c [ 74.364516][ T4976] kobject_init_and_add+0x128/0x194 [ 74.365580][ T4976] gfs2_sys_fs_add+0x208/0x428 [ 74.366497][ T4976] gfs2_fill_super+0xe20/0x1a9c [ 74.367392][ T4976] get_tree_bdev+0x35c/0x54c [ 74.368237][ T4976] gfs2_get_tree+0x58/0x1b8 [ 74.369059][ T4976] vfs_get_tree+0x90/0x278 [ 74.369852][ T4976] do_new_mount+0x228/0x804 [ 74.370640][ T4976] path_mount+0x57c/0xfe8 [ 74.371422][ T4976] __arm64_sys_mount+0x488/0x5f8 [ 74.372284][ T4976] invoke_syscall+0x98/0x28c [ 74.373084][ T4976] el0_svc_common+0x13c/0x258 [ 74.373901][ T4976] do_el0_svc+0x5c/0x140 [ 74.374644][ T4976] el0_svc+0x78/0x1d0 [ 74.375332][ T4976] el0t_64_sync_handler+0xcc/0xe4 [ 74.376202][ T4976] el0t_64_sync+0x1a0/0x1a4 [ 74.415377][ T4976] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.422128][ T4968] loop4: detected capacity change from 0 to 32768 [ 74.423606][ T4976] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.459307][ T4968] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.460729][ T4968] CPU: 0 PID: 4968 Comm: syz.4.29 Not tainted syzkaller #0 [ 74.462085][ T4968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.463917][ T4968] Call trace: [ 74.464457][ T4968] dump_backtrace+0x0/0x458 [ 74.465267][ T4968] show_stack+0x2c/0x3c [ 74.465962][ T4968] __dump_stack+0x30/0x40 [ 74.466730][ T4968] dump_stack_lvl+0xf4/0x15c [ 74.467561][ T4968] dump_stack+0x1c/0x5c [ 74.468310][ T4968] sysfs_create_dir_ns+0x244/0x264 [ 74.469211][ T4968] kobject_add_internal+0x594/0xc2c [ 74.470154][ T4968] kobject_init_and_add+0x128/0x194 [ 74.471242][ T4968] gfs2_sys_fs_add+0x208/0x428 [ 74.472249][ T4968] gfs2_fill_super+0xe20/0x1a9c [ 74.473164][ T4968] get_tree_bdev+0x35c/0x54c [ 74.473957][ T4968] gfs2_get_tree+0x58/0x1b8 [ 74.474696][ T4968] vfs_get_tree+0x90/0x278 [ 74.475459][ T4968] do_new_mount+0x228/0x804 [ 74.476251][ T4968] path_mount+0x57c/0xfe8 [ 74.477140][ T4968] __arm64_sys_mount+0x488/0x5f8 [ 74.478083][ T4968] invoke_syscall+0x98/0x28c [ 74.478871][ T4968] el0_svc_common+0x13c/0x258 [ 74.479688][ T4968] do_el0_svc+0x5c/0x140 [ 74.480464][ T4968] el0_svc+0x78/0x1d0 [ 74.481277][ T4968] el0t_64_sync_handler+0xcc/0xe4 [ 74.482257][ T4968] el0t_64_sync+0x1a0/0x1a4 [ 74.497200][ T4999] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.501639][ T4999] CPU: 0 PID: 4999 Comm: syz.0.31 Not tainted syzkaller #0 [ 74.502869][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.504554][ T4999] Call trace: [ 74.505124][ T4999] dump_backtrace+0x0/0x458 [ 74.505974][ T4999] show_stack+0x2c/0x3c [ 74.506764][ T4999] __dump_stack+0x30/0x40 [ 74.507563][ T4999] dump_stack_lvl+0xf4/0x15c [ 74.508387][ T4999] dump_stack+0x1c/0x5c [ 74.509255][ T4999] sysfs_create_dir_ns+0x244/0x264 [ 74.510337][ T4999] kobject_add_internal+0x594/0xc2c [ 74.511300][ T4999] kobject_init_and_add+0x128/0x194 [ 74.512228][ T4999] gfs2_sys_fs_add+0x208/0x428 [ 74.513060][ T4999] gfs2_fill_super+0xe20/0x1a9c [ 74.513892][ T4999] get_tree_bdev+0x35c/0x54c [ 74.514678][ T4999] gfs2_get_tree+0x58/0x1b8 [ 74.515490][ T4999] vfs_get_tree+0x90/0x278 [ 74.516278][ T4999] do_new_mount+0x228/0x804 [ 74.517075][ T4999] path_mount+0x57c/0xfe8 [ 74.517822][ T4999] __arm64_sys_mount+0x488/0x5f8 [ 74.518671][ T4999] invoke_syscall+0x98/0x28c [ 74.519482][ T4999] el0_svc_common+0x13c/0x258 [ 74.520249][ T4999] do_el0_svc+0x5c/0x140 [ 74.520962][ T4999] el0_svc+0x78/0x1d0 [ 74.521666][ T4999] el0t_64_sync_handler+0xcc/0xe4 [ 74.522558][ T4999] el0t_64_sync+0x1a0/0x1a4 [ 74.547745][ T4968] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.550122][ T4968] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.566372][ T5002] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.567900][ T5002] CPU: 0 PID: 5002 Comm: syz.2.32 Not tainted syzkaller #0 [ 74.569211][ T5002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.571003][ T5002] Call trace: [ 74.571576][ T5002] dump_backtrace+0x0/0x458 [ 74.572408][ T5002] show_stack+0x2c/0x3c [ 74.573095][ T5002] __dump_stack+0x30/0x40 [ 74.573852][ T5002] dump_stack_lvl+0xf4/0x15c [ 74.574696][ T5002] dump_stack+0x1c/0x5c [ 74.575480][ T5002] sysfs_create_dir_ns+0x244/0x264 [ 74.576408][ T5002] kobject_add_internal+0x594/0xc2c [ 74.577454][ T5002] kobject_init_and_add+0x128/0x194 [ 74.578391][ T5002] gfs2_sys_fs_add+0x208/0x428 [ 74.579190][ T5002] gfs2_fill_super+0xe20/0x1a9c [ 74.580032][ T5002] get_tree_bdev+0x35c/0x54c [ 74.580816][ T5002] gfs2_get_tree+0x58/0x1b8 [ 74.581596][ T5002] vfs_get_tree+0x90/0x278 [ 74.582378][ T5002] do_new_mount+0x228/0x804 [ 74.583148][ T5002] path_mount+0x57c/0xfe8 [ 74.583877][ T5002] __arm64_sys_mount+0x488/0x5f8 [ 74.584813][ T5002] invoke_syscall+0x98/0x28c [ 74.585619][ T5002] el0_svc_common+0x13c/0x258 [ 74.586428][ T5002] do_el0_svc+0x5c/0x140 [ 74.587296][ T5002] el0_svc+0x78/0x1d0 [ 74.588127][ T5002] el0t_64_sync_handler+0xcc/0xe4 [ 74.589093][ T5002] el0t_64_sync+0x1a0/0x1a4 [ 74.592218][ T4999] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.594517][ T4999] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.601735][ T5002] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.603952][ T5002] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.642041][ T5005] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.643459][ T5005] CPU: 0 PID: 5005 Comm: syz.3.33 Not tainted syzkaller #0 [ 74.644665][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.646403][ T5005] Call trace: [ 74.646981][ T5005] dump_backtrace+0x0/0x458 [ 74.647779][ T5005] show_stack+0x2c/0x3c [ 74.648532][ T5005] __dump_stack+0x30/0x40 [ 74.649306][ T5005] dump_stack_lvl+0xf4/0x15c [ 74.650121][ T5005] dump_stack+0x1c/0x5c [ 74.650840][ T5005] sysfs_create_dir_ns+0x244/0x264 [ 74.651704][ T5005] kobject_add_internal+0x594/0xc2c [ 74.652543][ T5005] kobject_init_and_add+0x128/0x194 [ 74.653404][ T5005] gfs2_sys_fs_add+0x208/0x428 [ 74.654182][ T5005] gfs2_fill_super+0xe20/0x1a9c [ 74.654983][ T5005] get_tree_bdev+0x35c/0x54c [ 74.655747][ T5005] gfs2_get_tree+0x58/0x1b8 [ 74.656541][ T5005] vfs_get_tree+0x90/0x278 [ 74.657301][ T5005] do_new_mount+0x228/0x804 [ 74.658080][ T5005] path_mount+0x57c/0xfe8 [ 74.658733][ T5005] __arm64_sys_mount+0x488/0x5f8 [ 74.659590][ T5005] invoke_syscall+0x98/0x28c [ 74.660360][ T5005] el0_svc_common+0x13c/0x258 [ 74.661141][ T5005] do_el0_svc+0x5c/0x140 [ 74.661829][ T5005] el0_svc+0x78/0x1d0 [ 74.662533][ T5005] el0t_64_sync_handler+0xcc/0xe4 [ 74.663388][ T5005] el0t_64_sync+0x1a0/0x1a4 [ 74.687909][ T5005] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.690252][ T5005] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.808012][ T4999] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.809330][ T4999] CPU: 1 PID: 4999 Comm: syz.0.31 Not tainted syzkaller #0 [ 74.810451][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.811982][ T4999] Call trace: [ 74.812449][ T4999] dump_backtrace+0x0/0x458 [ 74.813155][ T4999] show_stack+0x2c/0x3c [ 74.813877][ T4999] __dump_stack+0x30/0x40 [ 74.814612][ T4999] dump_stack_lvl+0xf4/0x15c [ 74.815393][ T4999] dump_stack+0x1c/0x5c [ 74.816028][ T4999] sysfs_create_dir_ns+0x244/0x264 [ 74.816813][ T4999] kobject_add_internal+0x594/0xc2c [ 74.817646][ T4999] kobject_init_and_add+0x128/0x194 [ 74.818703][ T4999] gfs2_sys_fs_add+0x208/0x428 [ 74.819570][ T4999] gfs2_fill_super+0xe20/0x1a9c [ 74.820440][ T4999] get_tree_bdev+0x35c/0x54c [ 74.821237][ T4999] gfs2_get_tree+0x58/0x1b8 [ 74.822025][ T4999] vfs_get_tree+0x90/0x278 [ 74.822793][ T4999] do_new_mount+0x228/0x804 [ 74.823574][ T4999] path_mount+0x57c/0xfe8 [ 74.824332][ T4999] __arm64_sys_mount+0x488/0x5f8 [ 74.825167][ T4999] invoke_syscall+0x98/0x28c [ 74.825924][ T4999] el0_svc_common+0x13c/0x258 [ 74.826714][ T4999] do_el0_svc+0x5c/0x140 [ 74.827425][ T4999] el0_svc+0x78/0x1d0 [ 74.828103][ T4999] el0t_64_sync_handler+0xcc/0xe4 [ 74.828945][ T4999] el0t_64_sync+0x1a0/0x1a4 [ 74.851287][ T5008] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.852652][ T5008] CPU: 0 PID: 5008 Comm: syz.4.34 Not tainted syzkaller #0 [ 74.853847][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.855491][ T5008] Call trace: [ 74.856025][ T5008] dump_backtrace+0x0/0x458 [ 74.856754][ T5008] show_stack+0x2c/0x3c [ 74.857540][ T5008] __dump_stack+0x30/0x40 [ 74.858347][ T5008] dump_stack_lvl+0xf4/0x15c [ 74.859173][ T5008] dump_stack+0x1c/0x5c [ 74.859921][ T5008] sysfs_create_dir_ns+0x244/0x264 [ 74.860815][ T5008] kobject_add_internal+0x594/0xc2c [ 74.861743][ T5008] kobject_init_and_add+0x128/0x194 [ 74.862648][ T5008] gfs2_sys_fs_add+0x208/0x428 [ 74.863451][ T5008] gfs2_fill_super+0xe20/0x1a9c [ 74.864418][ T5008] get_tree_bdev+0x35c/0x54c [ 74.865317][ T5008] gfs2_get_tree+0x58/0x1b8 [ 74.866201][ T5008] vfs_get_tree+0x90/0x278 [ 74.867070][ T5008] do_new_mount+0x228/0x804 [ 74.867934][ T5008] path_mount+0x57c/0xfe8 [ 74.868696][ T5008] __arm64_sys_mount+0x488/0x5f8 [ 74.869514][ T5008] invoke_syscall+0x98/0x28c [ 74.870283][ T5008] el0_svc_common+0x13c/0x258 [ 74.871076][ T5008] do_el0_svc+0x5c/0x140 [ 74.871775][ T5008] el0_svc+0x78/0x1d0 [ 74.872417][ T5008] el0t_64_sync_handler+0xcc/0xe4 [ 74.873211][ T5008] el0t_64_sync+0x1a0/0x1a4 [ 74.877573][ T4999] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.879750][ T4999] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.917122][ T5008] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.923037][ T5008] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.951060][ T9] device hsr_slave_0 left promiscuous mode [ 74.970575][ T5002] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.971804][ T5002] CPU: 1 PID: 5002 Comm: syz.2.32 Not tainted syzkaller #0 [ 74.973008][ T5002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.974775][ T5002] Call trace: [ 74.975264][ T5002] dump_backtrace+0x0/0x458 [ 74.975967][ T5002] show_stack+0x2c/0x3c [ 74.976652][ T5002] __dump_stack+0x30/0x40 [ 74.977400][ T5002] dump_stack_lvl+0xf4/0x15c [ 74.978196][ T5002] dump_stack+0x1c/0x5c [ 74.978894][ T5002] sysfs_create_dir_ns+0x244/0x264 [ 74.979781][ T5002] kobject_add_internal+0x594/0xc2c [ 74.980663][ T5002] kobject_init_and_add+0x128/0x194 [ 74.981581][ T5002] gfs2_sys_fs_add+0x208/0x428 [ 74.982418][ T5002] gfs2_fill_super+0xe20/0x1a9c [ 74.983257][ T5002] get_tree_bdev+0x35c/0x54c [ 74.984063][ T5002] gfs2_get_tree+0x58/0x1b8 [ 74.984810][ T5002] vfs_get_tree+0x90/0x278 [ 74.985535][ T5002] do_new_mount+0x228/0x804 [ 74.986299][ T5002] path_mount+0x57c/0xfe8 [ 74.987029][ T5002] __arm64_sys_mount+0x488/0x5f8 [ 74.987842][ T5002] invoke_syscall+0x98/0x28c [ 74.988613][ T5002] el0_svc_common+0x13c/0x258 [ 74.989383][ T5002] do_el0_svc+0x5c/0x140 [ 74.990161][ T5002] el0_svc+0x78/0x1d0 [ 74.990884][ T5002] el0t_64_sync_handler+0xcc/0xe4 [ 74.991804][ T5002] el0t_64_sync+0x1a0/0x1a4 [ 74.995201][ T5005] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.996458][ T5005] CPU: 1 PID: 5005 Comm: syz.3.33 Not tainted syzkaller #0 [ 74.997611][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.999600][ T5005] Call trace: [ 75.000129][ T5005] dump_backtrace+0x0/0x458 [ 75.000896][ T5005] show_stack+0x2c/0x3c [ 75.001669][ T5005] __dump_stack+0x30/0x40 [ 75.002434][ T5005] dump_stack_lvl+0xf4/0x15c [ 75.003224][ T5005] dump_stack+0x1c/0x5c [ 75.003899][ T5005] sysfs_create_dir_ns+0x244/0x264 [ 75.004783][ T5005] kobject_add_internal+0x594/0xc2c [ 75.005686][ T5005] kobject_init_and_add+0x128/0x194 [ 75.006576][ T5005] gfs2_sys_fs_add+0x208/0x428 [ 75.007424][ T5005] gfs2_fill_super+0xe20/0x1a9c [ 75.008240][ T5005] get_tree_bdev+0x35c/0x54c [ 75.009000][ T5005] gfs2_get_tree+0x58/0x1b8 [ 75.009757][ T5005] vfs_get_tree+0x90/0x278 [ 75.010505][ T5005] do_new_mount+0x228/0x804 [ 75.011239][ T5005] path_mount+0x57c/0xfe8 [ 75.011904][ T5005] __arm64_sys_mount+0x488/0x5f8 [ 75.012775][ T5005] invoke_syscall+0x98/0x28c [ 75.013493][ T5005] el0_svc_common+0x13c/0x258 [ 75.014293][ T5005] do_el0_svc+0x5c/0x140 [ 75.014953][ T5005] el0_svc+0x78/0x1d0 [ 75.015639][ T5005] el0t_64_sync_handler+0xcc/0xe4 [ 75.016463][ T5005] el0t_64_sync+0x1a0/0x1a4 [ 75.032437][ T9] device hsr_slave_1 left promiscuous mode [ 75.037478][ T5002] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.039784][ T5002] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.041213][ T5005] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.044614][ T5005] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.127590][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 75.128974][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 75.130782][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 75.132055][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 75.133527][ T9] device bridge_slave_1 left promiscuous mode [ 75.143466][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.187539][ T5010] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.188947][ T5010] CPU: 1 PID: 5010 Comm: syz.0.35 Not tainted syzkaller #0 [ 75.190277][ T5010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 75.192170][ T5010] Call trace: [ 75.192743][ T5010] dump_backtrace+0x0/0x458 [ 75.193538][ T5010] show_stack+0x2c/0x3c [ 75.194246][ T5010] __dump_stack+0x30/0x40 [ 75.194925][ T5010] dump_stack_lvl+0xf4/0x15c [ 75.195710][ T5010] dump_stack+0x1c/0x5c [ 75.196379][ T5010] sysfs_create_dir_ns+0x244/0x264 [ 75.197209][ T5010] kobject_add_internal+0x594/0xc2c [ 75.198067][ T5010] kobject_init_and_add+0x128/0x194 [ 75.198896][ T5010] gfs2_sys_fs_add+0x208/0x428 [ 75.199706][ T5010] gfs2_fill_super+0xe20/0x1a9c [ 75.200511][ T5010] get_tree_bdev+0x35c/0x54c [ 75.201256][ T5010] gfs2_get_tree+0x58/0x1b8 [ 75.202021][ T5010] vfs_get_tree+0x90/0x278 [ 75.202738][ T5010] do_new_mount+0x228/0x804 [ 75.203472][ T5010] path_mount+0x57c/0xfe8 [ 75.204174][ T5010] __arm64_sys_mount+0x488/0x5f8 [ 75.205005][ T5010] invoke_syscall+0x98/0x28c [ 75.205825][ T5010] el0_svc_common+0x13c/0x258 [ 75.206665][ T5010] do_el0_svc+0x5c/0x140 [ 75.207401][ T5010] el0_svc+0x78/0x1d0 [ 75.208137][ T5010] el0t_64_sync_handler+0xcc/0xe4 [ 75.209052][ T5010] el0t_64_sync+0x1a0/0x1a4 [ 75.210428][ T9] device bridge_slave_0 left promiscuous mode [ 75.211549][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.231133][ T5008] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.232475][ T5008] CPU: 0 PID: 5008 Comm: syz.4.34 Not tainted syzkaller #0 [ 75.233831][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 75.235826][ T5008] Call trace: [ 75.236429][ T5008] dump_backtrace+0x0/0x458 [ 75.237201][ T5008] show_stack+0x2c/0x3c [ 75.237580][ T5010] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.237931][ T5008] __dump_stack+0x30/0x40 [ 75.240147][ T5010] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.240896][ T5008] dump_stack_lvl+0xf4/0x15c [ 75.242616][ T5008] dump_stack+0x1c/0x5c [ 75.243359][ T5008] sysfs_create_dir_ns+0x244/0x264 [ 75.244267][ T5008] kobject_add_internal+0x594/0xc2c [ 75.245169][ T5008] kobject_init_and_add+0x128/0x194 [ 75.246004][ T5008] gfs2_sys_fs_add+0x208/0x428 [ 75.246786][ T5008] gfs2_fill_super+0xe20/0x1a9c [ 75.247541][ T5008] get_tree_bdev+0x35c/0x54c [ 75.248265][ T5008] gfs2_get_tree+0x58/0x1b8 [ 75.249018][ T5008] vfs_get_tree+0x90/0x278 [ 75.249854][ T5008] do_new_mount+0x228/0x804 [ 75.250643][ T5008] path_mount+0x57c/0xfe8 [ 75.251413][ T5008] __arm64_sys_mount+0x488/0x5f8 [ 75.252275][ T5008] invoke_syscall+0x98/0x28c [ 75.253076][ T5008] el0_svc_common+0x13c/0x258 [ 75.253890][ T5008] do_el0_svc+0x5c/0x140 [ 75.254626][ T5008] el0_svc+0x78/0x1d0 [ 75.255315][ T5008] el0t_64_sync_handler+0xcc/0xe4 [ 75.256176][ T5008] el0t_64_sync+0x1a0/0x1a4 [ 75.263548][ T5008] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.265924][ T5008] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.309821][ T5013] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.311292][ T5013] CPU: 1 PID: 5013 Comm: syz.3.37 Not tainted syzkaller #0 [ 75.312437][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 75.313973][ T5013] Call trace: [ 75.314492][ T5013] dump_backtrace+0x0/0x458 [ 75.315180][ T5013] show_stack+0x2c/0x3c [ 75.315797][ T5013] __dump_stack+0x30/0x40 [ 75.316548][ T5013] dump_stack_lvl+0xf4/0x15c [ 75.317285][ T5013] dump_stack+0x1c/0x5c [ 75.317990][ T5013] sysfs_create_dir_ns+0x244/0x264 [ 75.318907][ T5013] kobject_add_internal+0x594/0xc2c [ 75.319820][ T5013] kobject_init_and_add+0x128/0x194 [ 75.320742][ T5013] gfs2_sys_fs_add+0x208/0x428 [ 75.321560][ T5013] gfs2_fill_super+0xe20/0x1a9c [ 75.322412][ T5013] get_tree_bdev+0x35c/0x54c [ 75.323204][ T5013] gfs2_get_tree+0x58/0x1b8 [ 75.324024][ T5013] vfs_get_tree+0x90/0x278 [ 75.324835][ T5013] do_new_mount+0x228/0x804 [ 75.325653][ T5013] path_mount+0x57c/0xfe8 [ 75.326443][ T5013] __arm64_sys_mount+0x488/0x5f8 [ 75.327274][ T5013] invoke_syscall+0x98/0x28c [ 75.328091][ T5013] el0_svc_common+0x13c/0x258 [ 75.328972][ T5013] do_el0_svc+0x5c/0x140 [ 75.329705][ T5013] el0_svc+0x78/0x1d0 [ 75.330442][ T5013] el0t_64_sync_handler+0xcc/0xe4 [ 75.331324][ T5013] el0t_64_sync+0x1a0/0x1a4 [ 75.352169][ T5014] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.353544][ T5014] CPU: 0 PID: 5014 Comm: syz.2.36 Not tainted syzkaller #0 [ 75.354732][ T5014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 75.356620][ T5014] Call trace: [ 75.357196][ T5014] dump_backtrace+0x0/0x458 [ 75.358017][ T5014] show_stack+0x2c/0x3c [ 75.358789][ T5014] __dump_stack+0x30/0x40 [ 75.359516][ T5014] dump_stack_lvl+0xf4/0x15c [ 75.360320][ T5014] dump_stack+0x1c/0x5c [ 75.361051][ T5014] sysfs_create_dir_ns+0x244/0x264 [ 75.361929][ T5014] kobject_add_internal+0x594/0xc2c [ 75.362823][ T5014] kobject_init_and_add+0x128/0x194 [ 75.363683][ T5014] gfs2_sys_fs_add+0x208/0x428 [ 75.364519][ T5014] gfs2_fill_super+0xe20/0x1a9c [ 75.365344][ T5014] get_tree_bdev+0x35c/0x54c [ 75.366158][ T5014] gfs2_get_tree+0x58/0x1b8 [ 75.366919][ T5014] vfs_get_tree+0x90/0x278 [ 75.367703][ T5014] do_new_mount+0x228/0x804 [ 75.368477][ T5014] path_mount+0x57c/0xfe8 [ 75.369194][ T5014] __arm64_sys_mount+0x488/0x5f8 [ 75.369966][ T5014] invoke_syscall+0x98/0x28c [ 75.370722][ T5014] el0_svc_common+0x13c/0x258 [ 75.371512][ T5014] do_el0_svc+0x5c/0x140 [ 75.372183][ T5014] el0_svc+0x78/0x1d0 [ 75.372847][ T5014] el0t_64_sync_handler+0xcc/0xe4 [ 75.373691][ T5014] el0t_64_sync+0x1a0/0x1a4 [ 75.375653][ T5013] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.385844][ T5013] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.387756][ T9] device veth1_macvtap left promiscuous mode [ 75.388780][ T9] device veth0_macvtap left promiscuous mode [ 75.390094][ T9] device veth1_vlan left promiscuous mode [ 75.391085][ T9] device veth0_vlan left promiscuous mode [ 75.426038][ T5014] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.436117][ T5014] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.613795][ T5017] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.615116][ T5017] CPU: 0 PID: 5017 Comm: syz.4.38 Not tainted syzkaller #0 [ 75.616338][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 75.618013][ T5017] Call trace: [ 75.618660][ T5017] dump_backtrace+0x0/0x458 [ 75.619592][ T5017] show_stack+0x2c/0x3c [ 75.620396][ T5017] __dump_stack+0x30/0x40 [ 75.621221][ T5017] dump_stack_lvl+0xf4/0x15c [ 75.622067][ T5017] dump_stack+0x1c/0x5c [ 75.622789][ T5017] sysfs_create_dir_ns+0x244/0x264 [ 75.623686][ T5017] kobject_add_internal+0x594/0xc2c [ 75.624618][ T5017] kobject_init_and_add+0x128/0x194 [ 75.625546][ T5017] gfs2_sys_fs_add+0x208/0x428 [ 75.626386][ T5017] gfs2_fill_super+0xe20/0x1a9c [ 75.627215][ T5017] get_tree_bdev+0x35c/0x54c [ 75.627987][ T5017] gfs2_get_tree+0x58/0x1b8 [ 75.628767][ T5017] vfs_get_tree+0x90/0x278 [ 75.629474][ T5017] do_new_mount+0x228/0x804 [ 75.630248][ T5017] path_mount+0x57c/0xfe8 [ 75.631001][ T5017] __arm64_sys_mount+0x488/0x5f8 [ 75.631844][ T5017] invoke_syscall+0x98/0x28c [ 75.632605][ T5017] el0_svc_common+0x13c/0x258 [ 75.633398][ T5017] do_el0_svc+0x5c/0x140 [ 75.634097][ T5017] el0_svc+0x78/0x1d0 [ 75.634761][ T5017] el0t_64_sync_handler+0xcc/0xe4 [ 75.635586][ T5017] el0t_64_sync+0x1a0/0x1a4 [ 75.660756][ T5010] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.662084][ T5010] CPU: 1 PID: 5010 Comm: syz.0.35 Not tainted syzkaller #0 [ 75.663277][ T5010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 75.664797][ T5010] Call trace: [ 75.665320][ T5010] dump_backtrace+0x0/0x458 [ 75.666176][ T5010] show_stack+0x2c/0x3c [ 75.666865][ T5010] __dump_stack+0x30/0x40 [ 75.667645][ T5010] dump_stack_lvl+0xf4/0x15c [ 75.668446][ T5010] dump_stack+0x1c/0x5c [ 75.669168][ T5010] sysfs_create_dir_ns+0x244/0x264 [ 75.670037][ T5010] kobject_add_internal+0x594/0xc2c [ 75.670929][ T5010] kobject_init_and_add+0x128/0x194 [ 75.671831][ T5010] gfs2_sys_fs_add+0x208/0x428 [ 75.672688][ T5010] gfs2_fill_super+0xe20/0x1a9c [ 75.673558][ T5010] get_tree_bdev+0x35c/0x54c [ 75.674359][ T5010] gfs2_get_tree+0x58/0x1b8 [ 75.675172][ T5010] vfs_get_tree+0x90/0x278 [ 75.675957][ T5010] do_new_mount+0x228/0x804 [ 75.676750][ T5010] path_mount+0x57c/0xfe8 [ 75.677463][ T5010] __arm64_sys_mount+0x488/0x5f8 [ 75.678323][ T5010] invoke_syscall+0x98/0x28c [ 75.679071][ T5010] el0_svc_common+0x13c/0x258 [ 75.679844][ T5010] do_el0_svc+0x5c/0x140 [ 75.680573][ T5010] el0_svc+0x78/0x1d0 [ 75.681218][ T5010] el0t_64_sync_handler+0xcc/0xe4 [ 75.682064][ T5010] el0t_64_sync+0x1a0/0x1a4 [ 75.683208][ T9] team0 (unregistering): Port device team_slave_1 removed [ 75.698795][ T5017] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.700492][ T5013] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.700925][ T5017] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.702818][ T5013] CPU: 1 PID: 5013 Comm: syz.3.37 Not tainted syzkaller #0 [ 75.704491][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 75.706150][ T5013] Call trace: [ 75.706808][ T5013] dump_backtrace+0x0/0x458 [ 75.707714][ T5013] show_stack+0x2c/0x3c [ 75.708457][ T5013] __dump_stack+0x30/0x40 [ 75.709256][ T5013] dump_stack_lvl+0xf4/0x15c [ 75.710068][ T5013] dump_stack+0x1c/0x5c [ 75.710816][ T5013] sysfs_create_dir_ns+0x244/0x264 [ 75.711680][ T5013] kobject_add_internal+0x594/0xc2c [ 75.712607][ T5013] kobject_init_and_add+0x128/0x194 [ 75.713508][ T5013] gfs2_sys_fs_add+0x208/0x428 [ 75.714383][ T5013] gfs2_fill_super+0xe20/0x1a9c [ 75.715151][ T5013] get_tree_bdev+0x35c/0x54c [ 75.715901][ T5013] gfs2_get_tree+0x58/0x1b8 [ 75.716692][ T5013] vfs_get_tree+0x90/0x278 [ 75.717469][ T5013] do_new_mount+0x228/0x804 [ 75.718224][ T5013] path_mount+0x57c/0xfe8 [ 75.718954][ T5013] __arm64_sys_mount+0x488/0x5f8 [ 75.719792][ T5013] invoke_syscall+0x98/0x28c [ 75.720572][ T5013] el0_svc_common+0x13c/0x258 [ 75.721405][ T5013] do_el0_svc+0x5c/0x140 [ 75.722111][ T5013] el0_svc+0x78/0x1d0 [ 75.722798][ T5013] el0t_64_sync_handler+0xcc/0xe4 [ 75.723608][ T5013] el0t_64_sync+0x1a0/0x1a4 [ 75.732815][ T5010] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.734850][ T5010] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.744817][ T9] team0 (unregistering): Port device team_slave_0 removed [ 75.752235][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 75.752309][ T5013] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.755838][ T5013] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.769845][ T5014] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.771230][ T5014] CPU: 0 PID: 5014 Comm: syz.2.36 Not tainted syzkaller #0 [ 75.772415][ T5014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 75.774088][ T5014] Call trace: [ 75.774591][ T5014] dump_backtrace+0x0/0x458 [ 75.775343][ T5014] show_stack+0x2c/0x3c [ 75.775992][ T5014] __dump_stack+0x30/0x40 [ 75.776657][ T5014] dump_stack_lvl+0xf4/0x15c [ 75.777365][ T5014] dump_stack+0x1c/0x5c [ 75.778126][ T5014] sysfs_create_dir_ns+0x244/0x264 [ 75.779035][ T5014] kobject_add_internal+0x594/0xc2c [ 75.779997][ T5014] kobject_init_and_add+0x128/0x194 [ 75.780934][ T5014] gfs2_sys_fs_add+0x208/0x428 [ 75.781755][ T5014] gfs2_fill_super+0xe20/0x1a9c [ 75.782534][ T5014] get_tree_bdev+0x35c/0x54c [ 75.783273][ T5014] gfs2_get_tree+0x58/0x1b8 [ 75.784042][ T5014] vfs_get_tree+0x90/0x278 [ 75.784820][ T5014] do_new_mount+0x228/0x804 [ 75.785611][ T5014] path_mount+0x57c/0xfe8 [ 75.786310][ T5014] __arm64_sys_mount+0x488/0x5f8 [ 75.787148][ T5014] invoke_syscall+0x98/0x28c [ 75.787925][ T5014] el0_svc_common+0x13c/0x258 [ 75.788746][ T5014] do_el0_svc+0x5c/0x140 [ 75.789467][ T5014] el0_svc+0x78/0x1d0 [ 75.790145][ T5014] el0t_64_sync_handler+0xcc/0xe4 [ 75.791001][ T5014] el0t_64_sync+0x1a0/0x1a4 [ 75.810731][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 75.847500][ T5014] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.849589][ T5014] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.901654][ T9] bond0 (unregistering): Released all slaves [ 76.013742][ T5022] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.015093][ T5022] CPU: 1 PID: 5022 Comm: syz.3.40 Not tainted syzkaller #0 [ 76.016368][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 76.018179][ T5022] Call trace: [ 76.018781][ T5022] dump_backtrace+0x0/0x458 [ 76.019628][ T5022] show_stack+0x2c/0x3c [ 76.020347][ T5022] __dump_stack+0x30/0x40 [ 76.021083][ T5022] dump_stack_lvl+0xf4/0x15c [ 76.021842][ T5022] dump_stack+0x1c/0x5c [ 76.022501][ T5022] sysfs_create_dir_ns+0x244/0x264 [ 76.023323][ T5022] kobject_add_internal+0x594/0xc2c [ 76.024383][ T5022] kobject_init_and_add+0x128/0x194 [ 76.025412][ T5022] gfs2_sys_fs_add+0x208/0x428 [ 76.026293][ T5022] gfs2_fill_super+0xe20/0x1a9c [ 76.027297][ T5022] get_tree_bdev+0x35c/0x54c [ 76.028228][ T5022] gfs2_get_tree+0x58/0x1b8 [ 76.029049][ T5022] vfs_get_tree+0x90/0x278 [ 76.029799][ T5022] do_new_mount+0x228/0x804 [ 76.030719][ T5022] path_mount+0x57c/0xfe8 [ 76.031622][ T5022] __arm64_sys_mount+0x488/0x5f8 [ 76.032567][ T5022] invoke_syscall+0x98/0x28c [ 76.033390][ T5022] el0_svc_common+0x13c/0x258 [ 76.034254][ T5022] do_el0_svc+0x5c/0x140 [ 76.035040][ T5022] el0_svc+0x78/0x1d0 [ 76.035780][ T5022] el0t_64_sync_handler+0xcc/0xe4 [ 76.036711][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 76.040022][ T5022] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.042122][ T5022] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.063605][ T5017] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.064974][ T5017] CPU: 0 PID: 5017 Comm: syz.4.38 Not tainted syzkaller #0 [ 76.066083][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 76.067771][ T5017] Call trace: [ 76.068317][ T5017] dump_backtrace+0x0/0x458 [ 76.069107][ T5017] show_stack+0x2c/0x3c [ 76.069795][ T5017] __dump_stack+0x30/0x40 [ 76.070524][ T5017] dump_stack_lvl+0xf4/0x15c [ 76.071307][ T5017] dump_stack+0x1c/0x5c [ 76.072032][ T5017] sysfs_create_dir_ns+0x244/0x264 [ 76.072946][ T5017] kobject_add_internal+0x594/0xc2c [ 76.073843][ T5017] kobject_init_and_add+0x128/0x194 [ 76.074701][ T5017] gfs2_sys_fs_add+0x208/0x428 [ 76.075529][ T5017] gfs2_fill_super+0xe20/0x1a9c [ 76.076426][ T5017] get_tree_bdev+0x35c/0x54c [ 76.077268][ T5017] gfs2_get_tree+0x58/0x1b8 [ 76.078117][ T5017] vfs_get_tree+0x90/0x278 [ 76.078932][ T5017] do_new_mount+0x228/0x804 [ 76.079766][ T5017] path_mount+0x57c/0xfe8 [ 76.080563][ T5017] __arm64_sys_mount+0x488/0x5f8 [ 76.081495][ T5017] invoke_syscall+0x98/0x28c [ 76.082343][ T5017] el0_svc_common+0x13c/0x258 [ 76.083222][ T5017] do_el0_svc+0x5c/0x140 [ 76.083945][ T5017] el0_svc+0x78/0x1d0 [ 76.084634][ T5017] el0t_64_sync_handler+0xcc/0xe4 [ 76.085496][ T5017] el0t_64_sync+0x1a0/0x1a4 [ 76.089803][ T5020] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.091038][ T5020] CPU: 0 PID: 5020 Comm: syz.0.39 Not tainted syzkaller #0 [ 76.092213][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 76.093881][ T5020] Call trace: [ 76.094503][ T5020] dump_backtrace+0x0/0x458 [ 76.095366][ T5020] show_stack+0x2c/0x3c [ 76.096169][ T5020] __dump_stack+0x30/0x40 [ 76.097038][ T5020] dump_stack_lvl+0xf4/0x15c [ 76.097482][ T5017] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.097997][ T5020] dump_stack+0x1c/0x5c [ 76.100197][ T5017] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.101005][ T5020] sysfs_create_dir_ns+0x244/0x264 [ 76.102882][ T5020] kobject_add_internal+0x594/0xc2c [ 76.103815][ T5020] kobject_init_and_add+0x128/0x194 [ 76.104913][ T5020] gfs2_sys_fs_add+0x208/0x428 [ 76.105892][ T5020] gfs2_fill_super+0xe20/0x1a9c [ 76.106825][ T5020] get_tree_bdev+0x35c/0x54c [ 76.107623][ T5020] gfs2_get_tree+0x58/0x1b8 [ 76.108422][ T5020] vfs_get_tree+0x90/0x278 [ 76.109177][ T5020] do_new_mount+0x228/0x804 [ 76.109988][ T5020] path_mount+0x57c/0xfe8 [ 76.110759][ T5020] __arm64_sys_mount+0x488/0x5f8 [ 76.111648][ T5020] invoke_syscall+0x98/0x28c [ 76.112470][ T5020] el0_svc_common+0x13c/0x258 [ 76.113302][ T5020] do_el0_svc+0x5c/0x140 [ 76.114000][ T5020] el0_svc+0x78/0x1d0 [ 76.114713][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 76.115568][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 76.118478][ T5020] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.120657][ T5020] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.128461][ T5024] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.129800][ T5024] CPU: 1 PID: 5024 Comm: syz.2.41 Not tainted syzkaller #0 [ 76.131187][ T5024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 76.133144][ T5024] Call trace: [ 76.133774][ T5024] dump_backtrace+0x0/0x458 [ 76.134715][ T5024] show_stack+0x2c/0x3c [ 76.135574][ T5024] __dump_stack+0x30/0x40 [ 76.136357][ T5024] dump_stack_lvl+0xf4/0x15c [ 76.137140][ T5024] dump_stack+0x1c/0x5c [ 76.137814][ T5024] sysfs_create_dir_ns+0x244/0x264 [ 76.138683][ T5024] kobject_add_internal+0x594/0xc2c [ 76.139737][ T5024] kobject_init_and_add+0x128/0x194 [ 76.140797][ T5024] gfs2_sys_fs_add+0x208/0x428 [ 76.141684][ T5024] gfs2_fill_super+0xe20/0x1a9c [ 76.142578][ T5024] get_tree_bdev+0x35c/0x54c [ 76.143452][ T5024] gfs2_get_tree+0x58/0x1b8 [ 76.144280][ T5024] vfs_get_tree+0x90/0x278 [ 76.145187][ T5024] do_new_mount+0x228/0x804 [ 76.146070][ T5024] path_mount+0x57c/0xfe8 [ 76.146879][ T5024] __arm64_sys_mount+0x488/0x5f8 [ 76.147799][ T5024] invoke_syscall+0x98/0x28c [ 76.148656][ T5024] el0_svc_common+0x13c/0x258 [ 76.149469][ T5024] do_el0_svc+0x5c/0x140 [ 76.150345][ T5024] el0_svc+0x78/0x1d0 [ 76.151151][ T5024] el0t_64_sync_handler+0xcc/0xe4 [ 76.152163][ T5024] el0t_64_sync+0x1a0/0x1a4 [ 76.165762][ T5024] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.171568][ T5024] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.358827][ T5020] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.360211][ T5020] CPU: 0 PID: 5020 Comm: syz.0.39 Not tainted syzkaller #0 [ 76.361383][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 76.363445][ T5020] Call trace: [ 76.364074][ T5020] dump_backtrace+0x0/0x458 [ 76.364897][ T5020] show_stack+0x2c/0x3c [ 76.365626][ T5020] __dump_stack+0x30/0x40 [ 76.366375][ T5020] dump_stack_lvl+0xf4/0x15c [ 76.367152][ T5020] dump_stack+0x1c/0x5c [ 76.367883][ T5020] sysfs_create_dir_ns+0x244/0x264 [ 76.368804][ T5020] kobject_add_internal+0x594/0xc2c [ 76.369681][ T5020] kobject_init_and_add+0x128/0x194 [ 76.370694][ T5020] gfs2_sys_fs_add+0x208/0x428 [ 76.371529][ T5020] gfs2_fill_super+0xe20/0x1a9c [ 76.372377][ T5020] get_tree_bdev+0x35c/0x54c [ 76.373140][ T5020] gfs2_get_tree+0x58/0x1b8 [ 76.373910][ T5020] vfs_get_tree+0x90/0x278 [ 76.374629][ T5020] do_new_mount+0x228/0x804 [ 76.375401][ T5020] path_mount+0x57c/0xfe8 [ 76.376157][ T5020] __arm64_sys_mount+0x488/0x5f8 [ 76.377055][ T5020] invoke_syscall+0x98/0x28c [ 76.377888][ T5020] el0_svc_common+0x13c/0x258 [ 76.378752][ T5020] do_el0_svc+0x5c/0x140 [ 76.379540][ T5020] el0_svc+0x78/0x1d0 [ 76.380247][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 76.381141][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 76.407573][ T5022] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.408911][ T5022] CPU: 0 PID: 5022 Comm: syz.3.40 Not tainted syzkaller #0 [ 76.410109][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 76.411719][ T5022] Call trace: [ 76.412271][ T5022] dump_backtrace+0x0/0x458 [ 76.413061][ T5022] show_stack+0x2c/0x3c [ 76.413791][ T5022] __dump_stack+0x30/0x40 [ 76.414640][ T5022] dump_stack_lvl+0xf4/0x15c [ 76.415444][ T5022] dump_stack+0x1c/0x5c [ 76.416151][ T5022] sysfs_create_dir_ns+0x244/0x264 [ 76.416528][ T5024] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.417084][ T5022] kobject_add_internal+0x594/0xc2c [ 76.419446][ T5022] kobject_init_and_add+0x128/0x194 [ 76.420362][ T5022] gfs2_sys_fs_add+0x208/0x428 [ 76.421216][ T5022] gfs2_fill_super+0xe20/0x1a9c [ 76.422050][ T5022] get_tree_bdev+0x35c/0x54c [ 76.422798][ T5022] gfs2_get_tree+0x58/0x1b8 [ 76.423619][ T5022] vfs_get_tree+0x90/0x278 [ 76.424361][ T5022] do_new_mount+0x228/0x804 [ 76.425127][ T5022] path_mount+0x57c/0xfe8 [ 76.425861][ T5022] __arm64_sys_mount+0x488/0x5f8 [ 76.426675][ T5022] invoke_syscall+0x98/0x28c [ 76.427402][ T5022] el0_svc_common+0x13c/0x258 [ 76.428191][ T5022] do_el0_svc+0x5c/0x140 [ 76.428956][ T5022] el0_svc+0x78/0x1d0 [ 76.429589][ T5022] el0t_64_sync_handler+0xcc/0xe4 [ 76.430436][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 76.431647][ T5024] CPU: 1 PID: 5024 Comm: syz.2.41 Not tainted syzkaller #0 [ 76.432764][ T5020] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.432894][ T5024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 76.434966][ T5020] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.436520][ T5024] Call trace: [ 76.438111][ T5024] dump_backtrace+0x0/0x458 [ 76.438598][ T5022] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.439049][ T5024] show_stack+0x2c/0x3c [ 76.441438][ T5022] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.442248][ T5024] __dump_stack+0x30/0x40 [ 76.442266][ T5024] dump_stack_lvl+0xf4/0x15c [ 76.445238][ T5024] dump_stack+0x1c/0x5c [ 76.446011][ T5024] sysfs_create_dir_ns+0x244/0x264 [ 76.447010][ T5024] kobject_add_internal+0x594/0xc2c [ 76.448022][ T5024] kobject_init_and_add+0x128/0x194 [ 76.449043][ T5024] gfs2_sys_fs_add+0x208/0x428 [ 76.449897][ T5024] gfs2_fill_super+0xe20/0x1a9c [ 76.450787][ T5024] get_tree_bdev+0x35c/0x54c [ 76.451631][ T5024] gfs2_get_tree+0x58/0x1b8 [ 76.452456][ T5024] vfs_get_tree+0x90/0x278 [ 76.453248][ T5024] do_new_mount+0x228/0x804 [ 76.454080][ T5024] path_mount+0x57c/0xfe8 [ 76.454886][ T5024] __arm64_sys_mount+0x488/0x5f8 [ 76.455958][ T5024] invoke_syscall+0x98/0x28c [ 76.456834][ T5024] el0_svc_common+0x13c/0x258 [ 76.457723][ T5024] do_el0_svc+0x5c/0x140 [ 76.458518][ T5024] el0_svc+0x78/0x1d0 [ 76.459268][ T5024] el0t_64_sync_handler+0xcc/0xe4 [ 76.460217][ T5024] el0t_64_sync+0x1a0/0x1a4 [ 76.478276][ T5024] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.480493][ T5024] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.499922][ T5026] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.501275][ T5026] CPU: 0 PID: 5026 Comm: syz.4.42 Not tainted syzkaller #0 [ 76.502513][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 76.504238][ T5026] Call trace: [ 76.504808][ T5026] dump_backtrace+0x0/0x458 [ 76.505589][ T5026] show_stack+0x2c/0x3c [ 76.506301][ T5026] __dump_stack+0x30/0x40 [ 76.507002][ T5026] dump_stack_lvl+0xf4/0x15c [ 76.507759][ T5026] dump_stack+0x1c/0x5c [ 76.508478][ T5026] sysfs_create_dir_ns+0x244/0x264 [ 76.509381][ T5026] kobject_add_internal+0x594/0xc2c [ 76.510303][ T5026] kobject_init_and_add+0x128/0x194 [ 76.511216][ T5026] gfs2_sys_fs_add+0x208/0x428 [ 76.512078][ T5026] gfs2_fill_super+0xe20/0x1a9c [ 76.512939][ T5026] get_tree_bdev+0x35c/0x54c [ 76.513780][ T5026] gfs2_get_tree+0x58/0x1b8 [ 76.514582][ T5026] vfs_get_tree+0x90/0x278 [ 76.515515][ T5026] do_new_mount+0x228/0x804 [ 76.516306][ T5026] path_mount+0x57c/0xfe8 [ 76.517112][ T5026] __arm64_sys_mount+0x488/0x5f8 [ 76.518047][ T5026] invoke_syscall+0x98/0x28c [ 76.518883][ T5026] el0_svc_common+0x13c/0x258 [ 76.519735][ T5026] do_el0_svc+0x5c/0x140 [ 76.520482][ T5026] el0_svc+0x78/0x1d0 [ 76.521167][ T5026] el0t_64_sync_handler+0xcc/0xe4 [ 76.521988][ T5026] el0t_64_sync+0x1a0/0x1a4 [ 76.537390][ T5026] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.539996][ T5026] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.779781][ T5028] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.781046][ T5028] CPU: 0 PID: 5028 Comm: syz.3.43 Not tainted syzkaller #0 [ 76.782268][ T5028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 76.783908][ T5028] Call trace: [ 76.784471][ T5028] dump_backtrace+0x0/0x458 [ 76.785214][ T5028] show_stack+0x2c/0x3c [ 76.785868][ T5028] __dump_stack+0x30/0x40 [ 76.786540][ T5028] dump_stack_lvl+0xf4/0x15c [ 76.787278][ T5028] dump_stack+0x1c/0x5c [ 76.788007][ T5028] sysfs_create_dir_ns+0x244/0x264 [ 76.788932][ T5028] kobject_add_internal+0x594/0xc2c [ 76.789988][ T5028] kobject_init_and_add+0x128/0x194 [ 76.791049][ T5028] gfs2_sys_fs_add+0x208/0x428 [ 76.791977][ T5028] gfs2_fill_super+0xe20/0x1a9c [ 76.792788][ T5028] get_tree_bdev+0x35c/0x54c [ 76.793545][ T5028] gfs2_get_tree+0x58/0x1b8 [ 76.794253][ T5028] vfs_get_tree+0x90/0x278 [ 76.794989][ T5028] do_new_mount+0x228/0x804 [ 76.795759][ T5028] path_mount+0x57c/0xfe8 [ 76.796453][ T5028] __arm64_sys_mount+0x488/0x5f8 [ 76.797323][ T5028] invoke_syscall+0x98/0x28c [ 76.798099][ T5028] el0_svc_common+0x13c/0x258 [ 76.798887][ T5028] do_el0_svc+0x5c/0x140 [ 76.799595][ T5028] el0_svc+0x78/0x1d0 [ 76.800311][ T5028] el0t_64_sync_handler+0xcc/0xe4 [ 76.801163][ T5028] el0t_64_sync+0x1a0/0x1a4 [ 76.805538][ T5028] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.805898][ T5026] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.807697][ T5028] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.808898][ T5026] CPU: 0 PID: 5026 Comm: syz.4.42 Not tainted syzkaller #0 [ 76.811095][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 76.812725][ T5026] Call trace: [ 76.813319][ T5026] dump_backtrace+0x0/0x458 [ 76.814120][ T5026] show_stack+0x2c/0x3c [ 76.814855][ T5026] __dump_stack+0x30/0x40 [ 76.815613][ T5026] dump_stack_lvl+0xf4/0x15c [ 76.816342][ T5026] dump_stack+0x1c/0x5c [ 76.817124][ T5026] sysfs_create_dir_ns+0x244/0x264 [ 76.818013][ T5026] kobject_add_internal+0x594/0xc2c [ 76.818942][ T5026] kobject_init_and_add+0x128/0x194 [ 76.819830][ T5026] gfs2_sys_fs_add+0x208/0x428 [ 76.820609][ T5026] gfs2_fill_super+0xe20/0x1a9c [ 76.821462][ T5026] get_tree_bdev+0x35c/0x54c [ 76.822352][ T5026] gfs2_get_tree+0x58/0x1b8 [ 76.823174][ T5026] vfs_get_tree+0x90/0x278 [ 76.823970][ T5026] do_new_mount+0x228/0x804 [ 76.824720][ T5026] path_mount+0x57c/0xfe8 [ 76.825446][ T5026] __arm64_sys_mount+0x488/0x5f8 [ 76.826257][ T5026] invoke_syscall+0x98/0x28c [ 76.827027][ T5026] el0_svc_common+0x13c/0x258 [ 76.827861][ T5026] do_el0_svc+0x5c/0x140 [ 76.828622][ T5026] el0_svc+0x78/0x1d0 [ 76.829264][ T5026] el0t_64_sync_handler+0xcc/0xe4 [ 76.830136][ T5026] el0t_64_sync+0x1a0/0x1a4 [ 76.842042][ T5030] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.843417][ T5030] CPU: 1 PID: 5030 Comm: syz.2.44 Not tainted syzkaller #0 [ 76.844582][ T5030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 76.846151][ T5030] Call trace: [ 76.846662][ T5030] dump_backtrace+0x0/0x458 [ 76.847386][ T5030] show_stack+0x2c/0x3c [ 76.848104][ T5030] __dump_stack+0x30/0x40 [ 76.848869][ T5030] dump_stack_lvl+0xf4/0x15c [ 76.849689][ T5030] dump_stack+0x1c/0x5c [ 76.850357][ T5030] sysfs_create_dir_ns+0x244/0x264 [ 76.851220][ T5030] kobject_add_internal+0x594/0xc2c [ 76.852111][ T5030] kobject_init_and_add+0x128/0x194 [ 76.852973][ T5030] gfs2_sys_fs_add+0x208/0x428 [ 76.853758][ T5030] gfs2_fill_super+0xe20/0x1a9c [ 76.854602][ T5030] get_tree_bdev+0x35c/0x54c [ 76.855392][ T5030] gfs2_get_tree+0x58/0x1b8 [ 76.856157][ T5030] vfs_get_tree+0x90/0x278 [ 76.856921][ T5030] do_new_mount+0x228/0x804 [ 76.857683][ T5030] path_mount+0x57c/0xfe8 [ 76.858446][ T5030] __arm64_sys_mount+0x488/0x5f8 [ 76.859304][ T5030] invoke_syscall+0x98/0x28c [ 76.860106][ T5030] el0_svc_common+0x13c/0x258 [ 76.860981][ T5030] do_el0_svc+0x5c/0x140 [ 76.861691][ T5030] el0_svc+0x78/0x1d0 [ 76.862349][ T5030] el0t_64_sync_handler+0xcc/0xe4 [ 76.863193][ T5030] el0t_64_sync+0x1a0/0x1a4 [ 76.864275][ T5026] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.865149][ T5032] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.866504][ T5026] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.868039][ T5032] CPU: 1 PID: 5032 Comm: syz.0.45 Not tainted syzkaller #0 [ 76.870071][ T5032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 76.871678][ T5032] Call trace: [ 76.872165][ T5032] dump_backtrace+0x0/0x458 [ 76.873028][ T5032] show_stack+0x2c/0x3c [ 76.873828][ T5032] __dump_stack+0x30/0x40 [ 76.874658][ T5032] dump_stack_lvl+0xf4/0x15c [ 76.875611][ T5032] dump_stack+0x1c/0x5c [ 76.876431][ T5032] sysfs_create_dir_ns+0x244/0x264 [ 76.877490][ T5032] kobject_add_internal+0x594/0xc2c [ 76.878541][ T5032] kobject_init_and_add+0x128/0x194 [ 76.879471][ T5032] gfs2_sys_fs_add+0x208/0x428 [ 76.880316][ T5032] gfs2_fill_super+0xe20/0x1a9c [ 76.881097][ T5032] get_tree_bdev+0x35c/0x54c [ 76.881875][ T5032] gfs2_get_tree+0x58/0x1b8 [ 76.882767][ T5032] vfs_get_tree+0x90/0x278 [ 76.883499][ T5032] do_new_mount+0x228/0x804 [ 76.884305][ T5032] path_mount+0x57c/0xfe8 [ 76.885076][ T5032] __arm64_sys_mount+0x488/0x5f8 [ 76.885868][ T5032] invoke_syscall+0x98/0x28c [ 76.886659][ T5032] el0_svc_common+0x13c/0x258 [ 76.887482][ T5032] do_el0_svc+0x5c/0x140 [ 76.888218][ T5032] el0_svc+0x78/0x1d0 [ 76.888924][ T5032] el0t_64_sync_handler+0xcc/0xe4 [ 76.889805][ T5032] el0t_64_sync+0x1a0/0x1a4 [ 76.893617][ T5030] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.895671][ T5030] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.898877][ T5032] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.901222][ T5032] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.130161][ T5028] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.131577][ T5028] CPU: 1 PID: 5028 Comm: syz.3.43 Not tainted syzkaller #0 [ 77.132737][ T5028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 77.134561][ T5028] Call trace: [ 77.135146][ T5028] dump_backtrace+0x0/0x458 [ 77.135971][ T5028] show_stack+0x2c/0x3c [ 77.136686][ T5028] __dump_stack+0x30/0x40 [ 77.137434][ T5028] dump_stack_lvl+0xf4/0x15c [ 77.138208][ T5028] dump_stack+0x1c/0x5c [ 77.138927][ T5028] sysfs_create_dir_ns+0x244/0x264 [ 77.139848][ T5028] kobject_add_internal+0x594/0xc2c [ 77.140795][ T5028] kobject_init_and_add+0x128/0x194 [ 77.141725][ T5028] gfs2_sys_fs_add+0x208/0x428 [ 77.142525][ T5028] gfs2_fill_super+0xe20/0x1a9c [ 77.143372][ T5028] get_tree_bdev+0x35c/0x54c [ 77.144129][ T5028] gfs2_get_tree+0x58/0x1b8 [ 77.144877][ T5028] vfs_get_tree+0x90/0x278 [ 77.145667][ T5028] do_new_mount+0x228/0x804 [ 77.146417][ T5028] path_mount+0x57c/0xfe8 [ 77.147213][ T5028] __arm64_sys_mount+0x488/0x5f8 [ 77.148051][ T5028] invoke_syscall+0x98/0x28c [ 77.148821][ T5028] el0_svc_common+0x13c/0x258 [ 77.149565][ T5028] do_el0_svc+0x5c/0x140 [ 77.150309][ T5028] el0_svc+0x78/0x1d0 [ 77.150987][ T5028] el0t_64_sync_handler+0xcc/0xe4 [ 77.151862][ T5028] el0t_64_sync+0x1a0/0x1a4 [ 77.157365][ T5028] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.159843][ T5032] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.160074][ T5028] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.166814][ T5032] CPU: 0 PID: 5032 Comm: syz.0.45 Not tainted syzkaller #0 [ 77.168111][ T5032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 77.169800][ T5030] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.169896][ T5032] Call trace: [ 77.171740][ T5032] dump_backtrace+0x0/0x458 [ 77.172572][ T5032] show_stack+0x2c/0x3c [ 77.173274][ T5032] __dump_stack+0x30/0x40 [ 77.174061][ T5032] dump_stack_lvl+0xf4/0x15c [ 77.174872][ T5032] dump_stack+0x1c/0x5c [ 77.175630][ T5032] sysfs_create_dir_ns+0x244/0x264 [ 77.176569][ T5032] kobject_add_internal+0x594/0xc2c [ 77.177452][ T5032] kobject_init_and_add+0x128/0x194 [ 77.178375][ T5032] gfs2_sys_fs_add+0x208/0x428 [ 77.179261][ T5032] gfs2_fill_super+0xe20/0x1a9c [ 77.180117][ T5032] get_tree_bdev+0x35c/0x54c [ 77.180898][ T5032] gfs2_get_tree+0x58/0x1b8 [ 77.181710][ T5032] vfs_get_tree+0x90/0x278 [ 77.182483][ T5032] do_new_mount+0x228/0x804 [ 77.183238][ T5032] path_mount+0x57c/0xfe8 [ 77.183983][ T5032] __arm64_sys_mount+0x488/0x5f8 [ 77.184843][ T5032] invoke_syscall+0x98/0x28c [ 77.185626][ T5032] el0_svc_common+0x13c/0x258 [ 77.186417][ T5032] do_el0_svc+0x5c/0x140 [ 77.187238][ T5032] el0_svc+0x78/0x1d0 [ 77.187961][ T5032] el0t_64_sync_handler+0xcc/0xe4 [ 77.188850][ T5032] el0t_64_sync+0x1a0/0x1a4 [ 77.192084][ T5030] CPU: 1 PID: 5030 Comm: syz.2.44 Not tainted syzkaller #0 [ 77.193389][ T5030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 77.195121][ T5030] Call trace: [ 77.195641][ T5030] dump_backtrace+0x0/0x458 [ 77.196390][ T5030] show_stack+0x2c/0x3c [ 77.197108][ T5030] __dump_stack+0x30/0x40 [ 77.197847][ T5030] dump_stack_lvl+0xf4/0x15c [ 77.198790][ T5030] dump_stack+0x1c/0x5c [ 77.199645][ T5030] sysfs_create_dir_ns+0x244/0x264 [ 77.200660][ T5030] kobject_add_internal+0x594/0xc2c [ 77.201673][ T5030] kobject_init_and_add+0x128/0x194 [ 77.202622][ T5030] gfs2_sys_fs_add+0x208/0x428 [ 77.203525][ T5030] gfs2_fill_super+0xe20/0x1a9c [ 77.204417][ T5030] get_tree_bdev+0x35c/0x54c [ 77.205357][ T5030] gfs2_get_tree+0x58/0x1b8 [ 77.206167][ T5030] vfs_get_tree+0x90/0x278 [ 77.206953][ T5030] do_new_mount+0x228/0x804 [ 77.207887][ T5030] path_mount+0x57c/0xfe8 [ 77.208773][ T5030] __arm64_sys_mount+0x488/0x5f8 [ 77.209736][ T5030] invoke_syscall+0x98/0x28c [ 77.210380][ T5032] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.210651][ T5030] el0_svc_common+0x13c/0x258 [ 77.213090][ T5032] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.213931][ T5030] do_el0_svc+0x5c/0x140 [ 77.215798][ T5030] el0_svc+0x78/0x1d0 [ 77.216505][ T5030] el0t_64_sync_handler+0xcc/0xe4 [ 77.217396][ T5030] el0t_64_sync+0x1a0/0x1a4 [ 77.250135][ T5030] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.252493][ T5030] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.290864][ T5034] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.292154][ T5034] CPU: 1 PID: 5034 Comm: syz.4.46 Not tainted syzkaller #0 [ 77.293334][ T5034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 77.294900][ T5034] Call trace: [ 77.295442][ T5034] dump_backtrace+0x0/0x458 [ 77.296234][ T5034] show_stack+0x2c/0x3c [ 77.296967][ T5034] __dump_stack+0x30/0x40 [ 77.297700][ T5034] dump_stack_lvl+0xf4/0x15c [ 77.298496][ T5034] dump_stack+0x1c/0x5c [ 77.299202][ T5034] sysfs_create_dir_ns+0x244/0x264 [ 77.300106][ T5034] kobject_add_internal+0x594/0xc2c [ 77.301043][ T5034] kobject_init_and_add+0x128/0x194 [ 77.301948][ T5034] gfs2_sys_fs_add+0x208/0x428 [ 77.302829][ T5034] gfs2_fill_super+0xe20/0x1a9c [ 77.303716][ T5034] get_tree_bdev+0x35c/0x54c [ 77.304515][ T5034] gfs2_get_tree+0x58/0x1b8 [ 77.305325][ T5034] vfs_get_tree+0x90/0x278 [ 77.306113][ T5034] do_new_mount+0x228/0x804 [ 77.306898][ T5034] path_mount+0x57c/0xfe8 [ 77.307636][ T5034] __arm64_sys_mount+0x488/0x5f8 [ 77.308477][ T5034] invoke_syscall+0x98/0x28c [ 77.309263][ T5034] el0_svc_common+0x13c/0x258 [ 77.310054][ T5034] do_el0_svc+0x5c/0x140 [ 77.310818][ T5034] el0_svc+0x78/0x1d0 [ 77.311637][ T5034] el0t_64_sync_handler+0xcc/0xe4 [ 77.312679][ T5034] el0t_64_sync+0x1a0/0x1a4 [ 77.345436][ T5034] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.355534][ T5034] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.400933][ T5036] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.402246][ T5036] CPU: 0 PID: 5036 Comm: syz.3.47 Not tainted syzkaller #0 [ 77.403580][ T5036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 77.405196][ T5036] Call trace: [ 77.405712][ T5036] dump_backtrace+0x0/0x458 [ 77.406477][ T5036] show_stack+0x2c/0x3c [ 77.407133][ T5036] __dump_stack+0x30/0x40 [ 77.407897][ T5036] dump_stack_lvl+0xf4/0x15c [ 77.408675][ T5036] dump_stack+0x1c/0x5c [ 77.409383][ T5036] sysfs_create_dir_ns+0x244/0x264 [ 77.410271][ T5036] kobject_add_internal+0x594/0xc2c [ 77.411187][ T5036] kobject_init_and_add+0x128/0x194 [ 77.412092][ T5036] gfs2_sys_fs_add+0x208/0x428 [ 77.412955][ T5036] gfs2_fill_super+0xe20/0x1a9c [ 77.413798][ T5036] get_tree_bdev+0x35c/0x54c [ 77.414577][ T5036] gfs2_get_tree+0x58/0x1b8 [ 77.415351][ T5036] vfs_get_tree+0x90/0x278 [ 77.416117][ T5036] do_new_mount+0x228/0x804 [ 77.416861][ T5036] path_mount+0x57c/0xfe8 [ 77.417595][ T5036] __arm64_sys_mount+0x488/0x5f8 [ 77.418443][ T5036] invoke_syscall+0x98/0x28c [ 77.419205][ T5036] el0_svc_common+0x13c/0x258 [ 77.420075][ T5036] do_el0_svc+0x5c/0x140 [ 77.420836][ T5036] el0_svc+0x78/0x1d0 [ 77.421516][ T5036] el0t_64_sync_handler+0xcc/0xe4 [ 77.422369][ T5036] el0t_64_sync+0x1a0/0x1a4 [ 77.455522][ T5036] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.458502][ T5036] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.467032][ T5038] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.472070][ T5038] CPU: 0 PID: 5038 Comm: syz.0.48 Not tainted syzkaller #0 [ 77.473276][ T5038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 77.475294][ T5038] Call trace: [ 77.475934][ T5038] dump_backtrace+0x0/0x458 [ 77.476791][ T5038] show_stack+0x2c/0x3c [ 77.477532][ T5038] __dump_stack+0x30/0x40 [ 77.478291][ T5038] dump_stack_lvl+0xf4/0x15c [ 77.479089][ T5038] dump_stack+0x1c/0x5c [ 77.479794][ T5038] sysfs_create_dir_ns+0x244/0x264 [ 77.480669][ T5038] kobject_add_internal+0x594/0xc2c [ 77.481526][ T5038] kobject_init_and_add+0x128/0x194 [ 77.482380][ T5038] gfs2_sys_fs_add+0x208/0x428 [ 77.483192][ T5038] gfs2_fill_super+0xe20/0x1a9c [ 77.483995][ T5038] get_tree_bdev+0x35c/0x54c [ 77.484730][ T5038] gfs2_get_tree+0x58/0x1b8 [ 77.485478][ T5038] vfs_get_tree+0x90/0x278 [ 77.486295][ T5038] do_new_mount+0x228/0x804 [ 77.487051][ T5038] path_mount+0x57c/0xfe8 [ 77.487832][ T5038] __arm64_sys_mount+0x488/0x5f8 [ 77.488672][ T5038] invoke_syscall+0x98/0x28c [ 77.489453][ T5038] el0_svc_common+0x13c/0x258 [ 77.490262][ T5038] do_el0_svc+0x5c/0x140 [ 77.491030][ T5038] el0_svc+0x78/0x1d0 [ 77.491707][ T5038] el0t_64_sync_handler+0xcc/0xe4 [ 77.492545][ T5038] el0t_64_sync+0x1a0/0x1a4 [ 77.527138][ T5038] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.534202][ T5038] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.591401][ T5040] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.592752][ T5040] CPU: 1 PID: 5040 Comm: syz.2.49 Not tainted syzkaller #0 [ 77.593938][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 77.595764][ T5040] Call trace: [ 77.596371][ T5040] dump_backtrace+0x0/0x458 [ 77.597228][ T5040] show_stack+0x2c/0x3c [ 77.598003][ T5040] __dump_stack+0x30/0x40 [ 77.598801][ T5040] dump_stack_lvl+0xf4/0x15c [ 77.599623][ T5040] dump_stack+0x1c/0x5c [ 77.600406][ T5040] sysfs_create_dir_ns+0x244/0x264 [ 77.601300][ T5040] kobject_add_internal+0x594/0xc2c [ 77.602211][ T5040] kobject_init_and_add+0x128/0x194 [ 77.603106][ T5040] gfs2_sys_fs_add+0x208/0x428 [ 77.603948][ T5040] gfs2_fill_super+0xe20/0x1a9c [ 77.604789][ T5040] get_tree_bdev+0x35c/0x54c [ 77.605599][ T5040] gfs2_get_tree+0x58/0x1b8 [ 77.606393][ T5040] vfs_get_tree+0x90/0x278 [ 77.607153][ T5040] do_new_mount+0x228/0x804 [ 77.607896][ T5040] path_mount+0x57c/0xfe8 [ 77.608606][ T5040] __arm64_sys_mount+0x488/0x5f8 [ 77.609459][ T5040] invoke_syscall+0x98/0x28c [ 77.610231][ T5040] el0_svc_common+0x13c/0x258 [ 77.611071][ T5040] do_el0_svc+0x5c/0x140 [ 77.611766][ T5040] el0_svc+0x78/0x1d0 [ 77.612433][ T5040] el0t_64_sync_handler+0xcc/0xe4 [ 77.613300][ T5040] el0t_64_sync+0x1a0/0x1a4 [ 77.654769][ T5040] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.656910][ T5040] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.720613][ T5036] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.721947][ T5036] CPU: 1 PID: 5036 Comm: syz.3.47 Not tainted syzkaller #0 [ 77.723109][ T5036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 77.724690][ T5036] Call trace: [ 77.725187][ T5036] dump_backtrace+0x0/0x458 [ 77.726251][ T5036] show_stack+0x2c/0x3c [ 77.726986][ T5036] __dump_stack+0x30/0x40 [ 77.727873][ T5036] dump_stack_lvl+0xf4/0x15c [ 77.728788][ T5036] dump_stack+0x1c/0x5c [ 77.729604][ T5036] sysfs_create_dir_ns+0x244/0x264 [ 77.730603][ T5036] kobject_add_internal+0x594/0xc2c [ 77.731574][ T5036] kobject_init_and_add+0x128/0x194 [ 77.732542][ T5036] gfs2_sys_fs_add+0x208/0x428 [ 77.733432][ T5036] gfs2_fill_super+0xe20/0x1a9c [ 77.734326][ T5036] get_tree_bdev+0x35c/0x54c [ 77.735133][ T5036] gfs2_get_tree+0x58/0x1b8 [ 77.736045][ T5036] vfs_get_tree+0x90/0x278 [ 77.736935][ T5036] do_new_mount+0x228/0x804 [ 77.737762][ T5036] path_mount+0x57c/0xfe8 [ 77.738542][ T5036] __arm64_sys_mount+0x488/0x5f8 [ 77.739439][ T5036] invoke_syscall+0x98/0x28c [ 77.740263][ T5036] el0_svc_common+0x13c/0x258 [ 77.741161][ T5036] do_el0_svc+0x5c/0x140 [ 77.741925][ T5036] el0_svc+0x78/0x1d0 [ 77.742600][ T5036] el0t_64_sync_handler+0xcc/0xe4 [ 77.743422][ T5036] el0t_64_sync+0x1a0/0x1a4 [ 77.744373][ T5036] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.746593][ T5036] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.770027][ T5034] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.770592][ T5038] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.771400][ T5034] CPU: 0 PID: 5034 Comm: syz.4.46 Not tainted syzkaller #0 [ 77.773836][ T5034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 77.775438][ T5034] Call trace: [ 77.775942][ T5034] dump_backtrace+0x0/0x458 [ 77.776694][ T5034] show_stack+0x2c/0x3c [ 77.777361][ T5034] __dump_stack+0x30/0x40 [ 77.778130][ T5034] dump_stack_lvl+0xf4/0x15c [ 77.778921][ T5034] dump_stack+0x1c/0x5c [ 77.779611][ T5034] sysfs_create_dir_ns+0x244/0x264 [ 77.780496][ T5034] kobject_add_internal+0x594/0xc2c [ 77.781389][ T5034] kobject_init_and_add+0x128/0x194 [ 77.782271][ T5034] gfs2_sys_fs_add+0x208/0x428 [ 77.783035][ T5034] gfs2_fill_super+0xe20/0x1a9c [ 77.783896][ T5034] get_tree_bdev+0x35c/0x54c [ 77.784679][ T5034] gfs2_get_tree+0x58/0x1b8 [ 77.785422][ T5034] vfs_get_tree+0x90/0x278 [ 77.786168][ T5034] do_new_mount+0x228/0x804 [ 77.786952][ T5034] path_mount+0x57c/0xfe8 [ 77.787750][ T5034] __arm64_sys_mount+0x488/0x5f8 [ 77.788663][ T5034] invoke_syscall+0x98/0x28c [ 77.789475][ T5034] el0_svc_common+0x13c/0x258 [ 77.790236][ T5034] do_el0_svc+0x5c/0x140 [ 77.790950][ T5034] el0_svc+0x78/0x1d0 [ 77.791687][ T5034] el0t_64_sync_handler+0xcc/0xe4 [ 77.792549][ T5034] el0t_64_sync+0x1a0/0x1a4 [ 77.793366][ T5038] CPU: 1 PID: 5038 Comm: syz.0.48 Not tainted syzkaller #0 [ 77.794628][ T5038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 77.796483][ T5038] Call trace: [ 77.797066][ T5038] dump_backtrace+0x0/0x458 [ 77.797991][ T5038] show_stack+0x2c/0x3c [ 77.798861][ T5038] __dump_stack+0x30/0x40 [ 77.799706][ T5038] dump_stack_lvl+0xf4/0x15c [ 77.800606][ T5038] dump_stack+0x1c/0x5c [ 77.801364][ T5038] sysfs_create_dir_ns+0x244/0x264 [ 77.802255][ T5038] kobject_add_internal+0x594/0xc2c [ 77.803221][ T5038] kobject_init_and_add+0x128/0x194 [ 77.804188][ T5038] gfs2_sys_fs_add+0x208/0x428 [ 77.804938][ T5038] gfs2_fill_super+0xe20/0x1a9c [ 77.805746][ T5038] get_tree_bdev+0x35c/0x54c [ 77.806490][ T5038] gfs2_get_tree+0x58/0x1b8 [ 77.807317][ T5038] vfs_get_tree+0x90/0x278 [ 77.808118][ T5038] do_new_mount+0x228/0x804 [ 77.808884][ T5038] path_mount+0x57c/0xfe8 [ 77.809674][ T5038] __arm64_sys_mount+0x488/0x5f8 [ 77.810508][ T5038] invoke_syscall+0x98/0x28c [ 77.811291][ T5038] el0_svc_common+0x13c/0x258 [ 77.812074][ T5038] do_el0_svc+0x5c/0x140 [ 77.812786][ T5038] el0_svc+0x78/0x1d0 [ 77.813501][ T5038] el0t_64_sync_handler+0xcc/0xe4 [ 77.814384][ T5038] el0t_64_sync+0x1a0/0x1a4 [ 77.822361][ T5034] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.824635][ T5034] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.883068][ T5038] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.885407][ T5038] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.041081][ T5040] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.042472][ T5040] CPU: 0 PID: 5040 Comm: syz.2.49 Not tainted syzkaller #0 [ 78.043619][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 78.045381][ T5040] Call trace: [ 78.045956][ T5040] dump_backtrace+0x0/0x458 [ 78.046787][ T5040] show_stack+0x2c/0x3c [ 78.047468][ T5040] __dump_stack+0x30/0x40 [ 78.048355][ T5040] dump_stack_lvl+0xf4/0x15c [ 78.049277][ T5040] dump_stack+0x1c/0x5c [ 78.050107][ T5040] sysfs_create_dir_ns+0x244/0x264 [ 78.051183][ T5040] kobject_add_internal+0x594/0xc2c [ 78.052311][ T5040] kobject_init_and_add+0x128/0x194 [ 78.053326][ T5040] gfs2_sys_fs_add+0x208/0x428 [ 78.054228][ T5040] gfs2_fill_super+0xe20/0x1a9c [ 78.055038][ T5040] get_tree_bdev+0x35c/0x54c [ 78.055872][ T5040] gfs2_get_tree+0x58/0x1b8 [ 78.056666][ T5040] vfs_get_tree+0x90/0x278 [ 78.057406][ T5040] do_new_mount+0x228/0x804 [ 78.058187][ T5040] path_mount+0x57c/0xfe8 [ 78.058917][ T5040] __arm64_sys_mount+0x488/0x5f8 [ 78.059751][ T5040] invoke_syscall+0x98/0x28c [ 78.060557][ T5040] el0_svc_common+0x13c/0x258 [ 78.061335][ T5040] do_el0_svc+0x5c/0x140 [ 78.062078][ T5040] el0_svc+0x78/0x1d0 [ 78.062771][ T5040] el0t_64_sync_handler+0xcc/0xe4 [ 78.063632][ T5040] el0t_64_sync+0x1a0/0x1a4 [ 78.109761][ T5040] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.112141][ T5040] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.210830][ T5044] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.212202][ T5044] CPU: 1 PID: 5044 Comm: syz.0.51 Not tainted syzkaller #0 [ 78.213413][ T5044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 78.215108][ T5044] Call trace: [ 78.215646][ T5044] dump_backtrace+0x0/0x458 [ 78.216383][ T5044] show_stack+0x2c/0x3c [ 78.217069][ T5044] __dump_stack+0x30/0x40 [ 78.217854][ T5044] dump_stack_lvl+0xf4/0x15c [ 78.218693][ T5044] dump_stack+0x1c/0x5c [ 78.219450][ T5044] sysfs_create_dir_ns+0x244/0x264 [ 78.220396][ T5044] kobject_add_internal+0x594/0xc2c [ 78.221350][ T5044] kobject_init_and_add+0x128/0x194 [ 78.222429][ T5044] gfs2_sys_fs_add+0x208/0x428 [ 78.223343][ T5044] gfs2_fill_super+0xe20/0x1a9c [ 78.224307][ T5044] get_tree_bdev+0x35c/0x54c [ 78.225214][ T5044] gfs2_get_tree+0x58/0x1b8 [ 78.226122][ T5044] vfs_get_tree+0x90/0x278 [ 78.227075][ T5044] do_new_mount+0x228/0x804 [ 78.227942][ T5044] path_mount+0x57c/0xfe8 [ 78.228837][ T5044] __arm64_sys_mount+0x488/0x5f8 [ 78.229862][ T5044] invoke_syscall+0x98/0x28c [ 78.230821][ T5044] el0_svc_common+0x13c/0x258 [ 78.231791][ T5044] do_el0_svc+0x5c/0x140 [ 78.232680][ T5044] el0_svc+0x78/0x1d0 [ 78.233459][ T5044] el0t_64_sync_handler+0xcc/0xe4 [ 78.234328][ T5044] el0t_64_sync+0x1a0/0x1a4 [ 78.238044][ T5044] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.240253][ T5044] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.249173][ T5042] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.250445][ T5042] CPU: 1 PID: 5042 Comm: syz.3.50 Not tainted syzkaller #0 [ 78.250645][ T5046] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.251718][ T5042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 78.254714][ T5042] Call trace: [ 78.255220][ T5042] dump_backtrace+0x0/0x458 [ 78.255994][ T5042] show_stack+0x2c/0x3c [ 78.256655][ T5042] __dump_stack+0x30/0x40 [ 78.257344][ T5042] dump_stack_lvl+0xf4/0x15c [ 78.258165][ T5042] dump_stack+0x1c/0x5c [ 78.258871][ T5042] sysfs_create_dir_ns+0x244/0x264 [ 78.259760][ T5042] kobject_add_internal+0x594/0xc2c [ 78.260681][ T5042] kobject_init_and_add+0x128/0x194 [ 78.261629][ T5042] gfs2_sys_fs_add+0x208/0x428 [ 78.262468][ T5042] gfs2_fill_super+0xe20/0x1a9c [ 78.263269][ T5042] get_tree_bdev+0x35c/0x54c [ 78.264008][ T5042] gfs2_get_tree+0x58/0x1b8 [ 78.264740][ T5042] vfs_get_tree+0x90/0x278 [ 78.265465][ T5042] do_new_mount+0x228/0x804 [ 78.266189][ T5042] path_mount+0x57c/0xfe8 [ 78.266930][ T5042] __arm64_sys_mount+0x488/0x5f8 [ 78.267762][ T5042] invoke_syscall+0x98/0x28c [ 78.268542][ T5042] el0_svc_common+0x13c/0x258 [ 78.269348][ T5042] do_el0_svc+0x5c/0x140 [ 78.270081][ T5042] el0_svc+0x78/0x1d0 [ 78.270781][ T5042] el0t_64_sync_handler+0xcc/0xe4 [ 78.271671][ T5042] el0t_64_sync+0x1a0/0x1a4 [ 78.272414][ T5046] CPU: 0 PID: 5046 Comm: syz.4.52 Not tainted syzkaller #0 [ 78.273715][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 78.275618][ T5046] Call trace: [ 78.275667][ T5042] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.276172][ T5046] dump_backtrace+0x0/0x458 [ 78.278313][ T5042] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.279172][ T5046] show_stack+0x2c/0x3c [ 78.281170][ T5046] __dump_stack+0x30/0x40 [ 78.282004][ T5046] dump_stack_lvl+0xf4/0x15c [ 78.282874][ T5046] dump_stack+0x1c/0x5c [ 78.283646][ T5046] sysfs_create_dir_ns+0x244/0x264 [ 78.284617][ T5046] kobject_add_internal+0x594/0xc2c [ 78.285544][ T5046] kobject_init_and_add+0x128/0x194 [ 78.286386][ T5046] gfs2_sys_fs_add+0x208/0x428 [ 78.287170][ T5046] gfs2_fill_super+0xe20/0x1a9c [ 78.288005][ T5046] get_tree_bdev+0x35c/0x54c [ 78.288767][ T5046] gfs2_get_tree+0x58/0x1b8 [ 78.289494][ T5046] vfs_get_tree+0x90/0x278 [ 78.290243][ T5046] do_new_mount+0x228/0x804 [ 78.291017][ T5046] path_mount+0x57c/0xfe8 [ 78.291774][ T5046] __arm64_sys_mount+0x488/0x5f8 [ 78.292683][ T5046] invoke_syscall+0x98/0x28c [ 78.293500][ T5046] el0_svc_common+0x13c/0x258 [ 78.294315][ T5046] do_el0_svc+0x5c/0x140 [ 78.295065][ T5046] el0_svc+0x78/0x1d0 [ 78.295773][ T5046] el0t_64_sync_handler+0xcc/0xe4 [ 78.296642][ T5046] el0t_64_sync+0x1a0/0x1a4 [ 78.300538][ T5046] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.302853][ T5046] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.364433][ T5048] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.365800][ T5048] CPU: 1 PID: 5048 Comm: syz.2.53 Not tainted syzkaller #0 [ 78.367041][ T5048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 78.368801][ T5048] Call trace: [ 78.369355][ T5048] dump_backtrace+0x0/0x458 [ 78.370132][ T5048] show_stack+0x2c/0x3c [ 78.370821][ T5048] __dump_stack+0x30/0x40 [ 78.371633][ T5048] dump_stack_lvl+0xf4/0x15c [ 78.372432][ T5048] dump_stack+0x1c/0x5c [ 78.373183][ T5048] sysfs_create_dir_ns+0x244/0x264 [ 78.374097][ T5048] kobject_add_internal+0x594/0xc2c [ 78.374989][ T5048] kobject_init_and_add+0x128/0x194 [ 78.375903][ T5048] gfs2_sys_fs_add+0x208/0x428 [ 78.376699][ T5048] gfs2_fill_super+0xe20/0x1a9c [ 78.377604][ T5048] get_tree_bdev+0x35c/0x54c [ 78.378461][ T5048] gfs2_get_tree+0x58/0x1b8 [ 78.379260][ T5048] vfs_get_tree+0x90/0x278 [ 78.380047][ T5048] do_new_mount+0x228/0x804 [ 78.380845][ T5048] path_mount+0x57c/0xfe8 [ 78.381654][ T5048] __arm64_sys_mount+0x488/0x5f8 [ 78.382555][ T5048] invoke_syscall+0x98/0x28c [ 78.383360][ T5048] el0_svc_common+0x13c/0x258 [ 78.384155][ T5048] do_el0_svc+0x5c/0x140 [ 78.384906][ T5048] el0_svc+0x78/0x1d0 [ 78.385622][ T5048] el0t_64_sync_handler+0xcc/0xe4 [ 78.386511][ T5048] el0t_64_sync+0x1a0/0x1a4 [ 78.391251][ T5048] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.393239][ T5048] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.449962][ T5042] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.451310][ T5042] CPU: 0 PID: 5042 Comm: syz.3.50 Not tainted syzkaller #0 [ 78.452519][ T5042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 78.454208][ T5042] Call trace: [ 78.454800][ T5042] dump_backtrace+0x0/0x458 [ 78.455594][ T5042] show_stack+0x2c/0x3c [ 78.456281][ T5042] __dump_stack+0x30/0x40 [ 78.457011][ T5042] dump_stack_lvl+0xf4/0x15c [ 78.457782][ T5042] dump_stack+0x1c/0x5c [ 78.458544][ T5042] sysfs_create_dir_ns+0x244/0x264 [ 78.459480][ T5042] kobject_add_internal+0x594/0xc2c [ 78.460495][ T5042] kobject_init_and_add+0x128/0x194 [ 78.461461][ T5042] gfs2_sys_fs_add+0x208/0x428 [ 78.462354][ T5042] gfs2_fill_super+0xe20/0x1a9c [ 78.463274][ T5042] get_tree_bdev+0x35c/0x54c [ 78.464161][ T5042] gfs2_get_tree+0x58/0x1b8 [ 78.465015][ T5042] vfs_get_tree+0x90/0x278 [ 78.465851][ T5042] do_new_mount+0x228/0x804 [ 78.466692][ T5042] path_mount+0x57c/0xfe8 [ 78.467437][ T5042] __arm64_sys_mount+0x488/0x5f8 [ 78.468344][ T5042] invoke_syscall+0x98/0x28c [ 78.469175][ T5042] el0_svc_common+0x13c/0x258 [ 78.469986][ T5042] do_el0_svc+0x5c/0x140 [ 78.470663][ T5042] el0_svc+0x78/0x1d0 [ 78.471328][ T5042] el0t_64_sync_handler+0xcc/0xe4 [ 78.472154][ T5042] el0t_64_sync+0x1a0/0x1a4 [ 78.497634][ T5042] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.499699][ T5042] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:18 executed programs: 49 [ 78.604883][ T5044] set_capacity_and_notify: 43 callbacks suppressed [ 78.604893][ T5044] loop0: detected capacity change from 0 to 32768 [ 78.638129][ T5044] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.639504][ T5044] CPU: 1 PID: 5044 Comm: syz.0.51 Not tainted syzkaller #0 [ 78.640661][ T5044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 78.642643][ T5044] Call trace: [ 78.643272][ T5044] dump_backtrace+0x0/0x458 [ 78.644200][ T5044] show_stack+0x2c/0x3c [ 78.645022][ T5044] __dump_stack+0x30/0x40 [ 78.645915][ T5044] dump_stack_lvl+0xf4/0x15c [ 78.646861][ T5044] dump_stack+0x1c/0x5c [ 78.647714][ T5044] sysfs_create_dir_ns+0x244/0x264 [ 78.648764][ T5044] kobject_add_internal+0x594/0xc2c [ 78.649831][ T5044] kobject_init_and_add+0x128/0x194 [ 78.650822][ T5044] gfs2_sys_fs_add+0x208/0x428 [ 78.651734][ T5044] gfs2_fill_super+0xe20/0x1a9c [ 78.652735][ T5044] get_tree_bdev+0x35c/0x54c [ 78.653699][ T5044] gfs2_get_tree+0x58/0x1b8 [ 78.654598][ T5044] vfs_get_tree+0x90/0x278 [ 78.655366][ T5044] do_new_mount+0x228/0x804 [ 78.656264][ T5044] path_mount+0x57c/0xfe8 [ 78.657057][ T5044] __arm64_sys_mount+0x488/0x5f8 [ 78.657963][ T5044] invoke_syscall+0x98/0x28c [ 78.658759][ T5044] el0_svc_common+0x13c/0x258 [ 78.659613][ T5044] do_el0_svc+0x5c/0x140 [ 78.660337][ T5044] el0_svc+0x78/0x1d0 [ 78.660982][ T5044] el0t_64_sync_handler+0xcc/0xe4 [ 78.661814][ T5044] el0t_64_sync+0x1a0/0x1a4 [ 78.686858][ T5046] loop4: detected capacity change from 0 to 32768 [ 78.690984][ T5044] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.699859][ T5044] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.732943][ T5048] loop2: detected capacity change from 0 to 32768 [ 78.746903][ T5050] loop3: detected capacity change from 0 to 32768 [ 78.762897][ T5046] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.764201][ T5046] CPU: 0 PID: 5046 Comm: syz.4.52 Not tainted syzkaller #0 [ 78.765492][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 78.767066][ T5046] Call trace: [ 78.767662][ T5046] dump_backtrace+0x0/0x458 [ 78.768436][ T5046] show_stack+0x2c/0x3c [ 78.769198][ T5046] __dump_stack+0x30/0x40 [ 78.769918][ T5046] dump_stack_lvl+0xf4/0x15c [ 78.770685][ T5046] dump_stack+0x1c/0x5c [ 78.771330][ T5046] sysfs_create_dir_ns+0x244/0x264 [ 78.772214][ T5046] kobject_add_internal+0x594/0xc2c [ 78.773079][ T5046] kobject_init_and_add+0x128/0x194 [ 78.774016][ T5046] gfs2_sys_fs_add+0x208/0x428 [ 78.774862][ T5046] gfs2_fill_super+0xe20/0x1a9c [ 78.775687][ T5046] get_tree_bdev+0x35c/0x54c [ 78.776528][ T5046] gfs2_get_tree+0x58/0x1b8 [ 78.777271][ T5046] vfs_get_tree+0x90/0x278 [ 78.778035][ T5046] do_new_mount+0x228/0x804 [ 78.778881][ T5046] path_mount+0x57c/0xfe8 [ 78.779704][ T5046] __arm64_sys_mount+0x488/0x5f8 [ 78.780596][ T5046] invoke_syscall+0x98/0x28c [ 78.781530][ T5046] el0_svc_common+0x13c/0x258 [ 78.782492][ T5046] do_el0_svc+0x5c/0x140 [ 78.783286][ T5046] el0_svc+0x78/0x1d0 [ 78.784006][ T5046] el0t_64_sync_handler+0xcc/0xe4 [ 78.784950][ T5046] el0t_64_sync+0x1a0/0x1a4 [ 78.790206][ T5050] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.791429][ T5050] CPU: 0 PID: 5050 Comm: syz.3.54 Not tainted syzkaller #0 [ 78.792534][ T5050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 78.794099][ T5050] Call trace: [ 78.794642][ T5050] dump_backtrace+0x0/0x458 [ 78.795369][ T5050] show_stack+0x2c/0x3c [ 78.796014][ T5050] __dump_stack+0x30/0x40 [ 78.796723][ T5050] dump_stack_lvl+0xf4/0x15c [ 78.797446][ T5050] dump_stack+0x1c/0x5c [ 78.798305][ T5050] sysfs_create_dir_ns+0x244/0x264 [ 78.799338][ T5050] kobject_add_internal+0x594/0xc2c [ 78.800388][ T5050] kobject_init_and_add+0x128/0x194 [ 78.801463][ T5050] gfs2_sys_fs_add+0x208/0x428 [ 78.802381][ T5050] gfs2_fill_super+0xe20/0x1a9c [ 78.803290][ T5050] get_tree_bdev+0x35c/0x54c [ 78.804110][ T5050] gfs2_get_tree+0x58/0x1b8 [ 78.804907][ T5050] vfs_get_tree+0x90/0x278 [ 78.805723][ T5050] do_new_mount+0x228/0x804 [ 78.806498][ T5050] path_mount+0x57c/0xfe8 [ 78.807253][ T5050] __arm64_sys_mount+0x488/0x5f8 [ 78.808142][ T5050] invoke_syscall+0x98/0x28c [ 78.808920][ T5050] el0_svc_common+0x13c/0x258 [ 78.809732][ T5050] do_el0_svc+0x5c/0x140 [ 78.810461][ T5050] el0_svc+0x78/0x1d0 [ 78.811120][ T5050] el0t_64_sync_handler+0xcc/0xe4 [ 78.812008][ T5050] el0t_64_sync+0x1a0/0x1a4 [ 78.815436][ T5048] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.816756][ T5048] CPU: 1 PID: 5048 Comm: syz.2.53 Not tainted syzkaller #0 [ 78.817979][ T5048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 78.819738][ T5048] Call trace: [ 78.820268][ T5048] dump_backtrace+0x0/0x458 [ 78.821062][ T5048] show_stack+0x2c/0x3c [ 78.821888][ T5048] __dump_stack+0x30/0x40 [ 78.822661][ T5048] dump_stack_lvl+0xf4/0x15c [ 78.823444][ T5048] dump_stack+0x1c/0x5c [ 78.824158][ T5048] sysfs_create_dir_ns+0x244/0x264 [ 78.825025][ T5048] kobject_add_internal+0x594/0xc2c [ 78.825857][ T5048] kobject_init_and_add+0x128/0x194 [ 78.826966][ T5048] gfs2_sys_fs_add+0x208/0x428 [ 78.827870][ T5048] gfs2_fill_super+0xe20/0x1a9c [ 78.828778][ T5048] get_tree_bdev+0x35c/0x54c [ 78.829728][ T5048] gfs2_get_tree+0x58/0x1b8 [ 78.830671][ T5048] vfs_get_tree+0x90/0x278 [ 78.831415][ T5046] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.831483][ T5048] do_new_mount+0x228/0x804 [ 78.833629][ T5046] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.834435][ T5048] path_mount+0x57c/0xfe8 [ 78.836295][ T5048] __arm64_sys_mount+0x488/0x5f8 [ 78.837276][ T5048] invoke_syscall+0x98/0x28c [ 78.838199][ T5048] el0_svc_common+0x13c/0x258 [ 78.839117][ T5048] do_el0_svc+0x5c/0x140 [ 78.839823][ T5048] el0_svc+0x78/0x1d0 [ 78.840495][ T5048] el0t_64_sync_handler+0xcc/0xe4 [ 78.841317][ T5048] el0t_64_sync+0x1a0/0x1a4 [ 78.845724][ T5050] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.854222][ T5050] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.884251][ T5048] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.886385][ T5048] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.925584][ T5052] loop0: detected capacity change from 0 to 32768 [ 78.989784][ T5052] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.991079][ T5052] CPU: 1 PID: 5052 Comm: syz.0.55 Not tainted syzkaller #0 [ 78.992215][ T5052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 78.993878][ T5052] Call trace: [ 78.994368][ T5052] dump_backtrace+0x0/0x458 [ 78.995050][ T5052] show_stack+0x2c/0x3c [ 78.995738][ T5052] __dump_stack+0x30/0x40 [ 78.996477][ T5052] dump_stack_lvl+0xf4/0x15c [ 78.997185][ T5052] dump_stack+0x1c/0x5c [ 78.997837][ T5052] sysfs_create_dir_ns+0x244/0x264 [ 78.998692][ T5052] kobject_add_internal+0x594/0xc2c [ 78.999612][ T5052] kobject_init_and_add+0x128/0x194 [ 79.000476][ T5052] gfs2_sys_fs_add+0x208/0x428 [ 79.001278][ T5052] gfs2_fill_super+0xe20/0x1a9c [ 79.002127][ T5052] get_tree_bdev+0x35c/0x54c [ 79.003099][ T5052] gfs2_get_tree+0x58/0x1b8 [ 79.004021][ T5052] vfs_get_tree+0x90/0x278 [ 79.004958][ T5052] do_new_mount+0x228/0x804 [ 79.005811][ T5052] path_mount+0x57c/0xfe8 [ 79.006621][ T5052] __arm64_sys_mount+0x488/0x5f8 [ 79.007635][ T5052] invoke_syscall+0x98/0x28c [ 79.008526][ T5052] el0_svc_common+0x13c/0x258 [ 79.009451][ T5052] do_el0_svc+0x5c/0x140 [ 79.010174][ T5052] el0_svc+0x78/0x1d0 [ 79.010867][ T5052] el0t_64_sync_handler+0xcc/0xe4 [ 79.011767][ T5052] el0t_64_sync+0x1a0/0x1a4 [ 79.057762][ T5052] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.060127][ T5052] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.072823][ T5054] loop4: detected capacity change from 0 to 32768 [ 79.092069][ T5050] loop3: detected capacity change from 0 to 32768 [ 79.109699][ T5054] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.110829][ T5054] CPU: 0 PID: 5054 Comm: syz.4.56 Not tainted syzkaller #0 [ 79.112015][ T5054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 79.113528][ T5054] Call trace: [ 79.114089][ T5054] dump_backtrace+0x0/0x458 [ 79.114845][ T5054] show_stack+0x2c/0x3c [ 79.115555][ T5054] __dump_stack+0x30/0x40 [ 79.116260][ T5054] dump_stack_lvl+0xf4/0x15c [ 79.117076][ T5054] dump_stack+0x1c/0x5c [ 79.117789][ T5054] sysfs_create_dir_ns+0x244/0x264 [ 79.118734][ T5054] kobject_add_internal+0x594/0xc2c [ 79.119627][ T5054] kobject_init_and_add+0x128/0x194 [ 79.120499][ T5054] gfs2_sys_fs_add+0x208/0x428 [ 79.121306][ T5054] gfs2_fill_super+0xe20/0x1a9c [ 79.122182][ T5054] get_tree_bdev+0x35c/0x54c [ 79.123018][ T5054] gfs2_get_tree+0x58/0x1b8 [ 79.123793][ T5054] vfs_get_tree+0x90/0x278 [ 79.124559][ T5054] do_new_mount+0x228/0x804 [ 79.125245][ T5056] loop2: detected capacity change from 0 to 32768 [ 79.125412][ T5054] path_mount+0x57c/0xfe8 [ 79.127301][ T5054] __arm64_sys_mount+0x488/0x5f8 [ 79.128324][ T5054] invoke_syscall+0x98/0x28c [ 79.129206][ T5054] el0_svc_common+0x13c/0x258 [ 79.130041][ T5054] do_el0_svc+0x5c/0x140 [ 79.130806][ T5054] el0_svc+0x78/0x1d0 [ 79.131566][ T5054] el0t_64_sync_handler+0xcc/0xe4 [ 79.132483][ T5054] el0t_64_sync+0x1a0/0x1a4 [ 79.134130][ T5050] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.135328][ T5050] CPU: 0 PID: 5050 Comm: syz.3.54 Not tainted syzkaller #0 [ 79.136699][ T5050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 79.138713][ T5050] Call trace: [ 79.139349][ T5050] dump_backtrace+0x0/0x458 [ 79.140263][ T5050] show_stack+0x2c/0x3c [ 79.141046][ T5050] __dump_stack+0x30/0x40 [ 79.141819][ T5050] dump_stack_lvl+0xf4/0x15c [ 79.142574][ T5050] dump_stack+0x1c/0x5c [ 79.143364][ T5050] sysfs_create_dir_ns+0x244/0x264 [ 79.144347][ T5050] kobject_add_internal+0x594/0xc2c [ 79.145340][ T5050] kobject_init_and_add+0x128/0x194 [ 79.146288][ T5050] gfs2_sys_fs_add+0x208/0x428 [ 79.147177][ T5050] gfs2_fill_super+0xe20/0x1a9c [ 79.148179][ T5050] get_tree_bdev+0x35c/0x54c [ 79.149130][ T5050] gfs2_get_tree+0x58/0x1b8 [ 79.150023][ T5050] vfs_get_tree+0x90/0x278 [ 79.150847][ T5050] do_new_mount+0x228/0x804 [ 79.151658][ T5050] path_mount+0x57c/0xfe8 [ 79.152422][ T5050] __arm64_sys_mount+0x488/0x5f8 [ 79.153265][ T5050] invoke_syscall+0x98/0x28c [ 79.154160][ T5050] el0_svc_common+0x13c/0x258 [ 79.155052][ T5050] do_el0_svc+0x5c/0x140 [ 79.155811][ T5050] el0_svc+0x78/0x1d0 [ 79.156471][ T5050] el0t_64_sync_handler+0xcc/0xe4 [ 79.157347][ T5050] el0t_64_sync+0x1a0/0x1a4 [ 79.158476][ T5054] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.159436][ T5050] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.163182][ T5050] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.164650][ T5054] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.173457][ T5056] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.174857][ T5056] CPU: 1 PID: 5056 Comm: syz.2.57 Not tainted syzkaller #0 [ 79.176104][ T5056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 79.177893][ T5056] Call trace: [ 79.178509][ T5056] dump_backtrace+0x0/0x458 [ 79.179346][ T5056] show_stack+0x2c/0x3c [ 79.180060][ T5056] __dump_stack+0x30/0x40 [ 79.180787][ T5056] dump_stack_lvl+0xf4/0x15c [ 79.181614][ T5056] dump_stack+0x1c/0x5c [ 79.182419][ T5056] sysfs_create_dir_ns+0x244/0x264 [ 79.183371][ T5056] kobject_add_internal+0x594/0xc2c [ 79.184296][ T5056] kobject_init_and_add+0x128/0x194 [ 79.185134][ T5056] gfs2_sys_fs_add+0x208/0x428 [ 79.185983][ T5056] gfs2_fill_super+0xe20/0x1a9c [ 79.186894][ T5056] get_tree_bdev+0x35c/0x54c [ 79.187691][ T5056] gfs2_get_tree+0x58/0x1b8 [ 79.188513][ T5056] vfs_get_tree+0x90/0x278 [ 79.189207][ T5056] do_new_mount+0x228/0x804 [ 79.189951][ T5056] path_mount+0x57c/0xfe8 [ 79.190691][ T5056] __arm64_sys_mount+0x488/0x5f8 [ 79.191547][ T5056] invoke_syscall+0x98/0x28c [ 79.192338][ T5056] el0_svc_common+0x13c/0x258 [ 79.193162][ T5056] do_el0_svc+0x5c/0x140 [ 79.193929][ T5056] el0_svc+0x78/0x1d0 [ 79.194617][ T5056] el0t_64_sync_handler+0xcc/0xe4 [ 79.195471][ T5056] el0t_64_sync+0x1a0/0x1a4 [ 79.252089][ T5056] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.254253][ T5056] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.375719][ T5054] loop4: detected capacity change from 0 to 32768 [ 79.401440][ T5054] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.402718][ T5054] CPU: 0 PID: 5054 Comm: syz.4.56 Not tainted syzkaller #0 [ 79.403990][ T5054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 79.405788][ T5054] Call trace: [ 79.406337][ T5054] dump_backtrace+0x0/0x458 [ 79.407114][ T5054] show_stack+0x2c/0x3c [ 79.407840][ T5054] __dump_stack+0x30/0x40 [ 79.408614][ T5054] dump_stack_lvl+0xf4/0x15c [ 79.409368][ T5054] dump_stack+0x1c/0x5c [ 79.410187][ T5054] sysfs_create_dir_ns+0x244/0x264 [ 79.411079][ T5054] kobject_add_internal+0x594/0xc2c [ 79.411975][ T5054] kobject_init_and_add+0x128/0x194 [ 79.412845][ T5054] gfs2_sys_fs_add+0x208/0x428 [ 79.413758][ T5054] gfs2_fill_super+0xe20/0x1a9c [ 79.414624][ T5054] get_tree_bdev+0x35c/0x54c [ 79.415464][ T5054] gfs2_get_tree+0x58/0x1b8 [ 79.416304][ T5054] vfs_get_tree+0x90/0x278 [ 79.417121][ T5054] do_new_mount+0x228/0x804 [ 79.417960][ T5054] path_mount+0x57c/0xfe8 [ 79.418690][ T5054] __arm64_sys_mount+0x488/0x5f8 [ 79.419509][ T5054] invoke_syscall+0x98/0x28c [ 79.420308][ T5054] el0_svc_common+0x13c/0x258 [ 79.421122][ T5054] do_el0_svc+0x5c/0x140 [ 79.421868][ T5054] el0_svc+0x78/0x1d0 [ 79.422546][ T5054] el0t_64_sync_handler+0xcc/0xe4 [ 79.423428][ T5054] el0t_64_sync+0x1a0/0x1a4 [ 79.446268][ T5052] loop0: detected capacity change from 0 to 32768 [ 79.465894][ T5054] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.475133][ T5054] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.508107][ T5056] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.509872][ T5052] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.511136][ T5052] CPU: 0 PID: 5052 Comm: syz.0.55 Not tainted syzkaller #0 [ 79.512446][ T5052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 79.514067][ T5052] Call trace: [ 79.514536][ T5052] dump_backtrace+0x0/0x458 [ 79.515258][ T5052] show_stack+0x2c/0x3c [ 79.515937][ T5052] __dump_stack+0x30/0x40 [ 79.516656][ T5052] dump_stack_lvl+0xf4/0x15c [ 79.517432][ T5052] dump_stack+0x1c/0x5c [ 79.518140][ T5052] sysfs_create_dir_ns+0x244/0x264 [ 79.518942][ T5052] kobject_add_internal+0x594/0xc2c [ 79.519840][ T5052] kobject_init_and_add+0x128/0x194 [ 79.520721][ T5052] gfs2_sys_fs_add+0x208/0x428 [ 79.521531][ T5052] gfs2_fill_super+0xe20/0x1a9c [ 79.522310][ T5052] get_tree_bdev+0x35c/0x54c [ 79.523077][ T5052] gfs2_get_tree+0x58/0x1b8 [ 79.523870][ T5052] vfs_get_tree+0x90/0x278 [ 79.524635][ T5052] do_new_mount+0x228/0x804 [ 79.525412][ T5052] path_mount+0x57c/0xfe8 [ 79.526185][ T5052] __arm64_sys_mount+0x488/0x5f8 [ 79.527055][ T5052] invoke_syscall+0x98/0x28c [ 79.527859][ T5052] el0_svc_common+0x13c/0x258 [ 79.528661][ T5052] do_el0_svc+0x5c/0x140 [ 79.529372][ T5052] el0_svc+0x78/0x1d0 [ 79.530060][ T5052] el0t_64_sync_handler+0xcc/0xe4 [ 79.531101][ T5052] el0t_64_sync+0x1a0/0x1a4 [ 79.538917][ T5058] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.540109][ T5058] CPU: 0 PID: 5058 Comm: syz.3.58 Not tainted syzkaller #0 [ 79.541328][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 79.543005][ T5058] Call trace: [ 79.543582][ T5058] dump_backtrace+0x0/0x458 [ 79.544379][ T5058] show_stack+0x2c/0x3c [ 79.545060][ T5058] __dump_stack+0x30/0x40 [ 79.545753][ T5058] dump_stack_lvl+0xf4/0x15c [ 79.546502][ T5058] dump_stack+0x1c/0x5c [ 79.547185][ T5058] sysfs_create_dir_ns+0x244/0x264 [ 79.548009][ T5058] kobject_add_internal+0x594/0xc2c [ 79.548988][ T5058] kobject_init_and_add+0x128/0x194 [ 79.549817][ T5058] gfs2_sys_fs_add+0x208/0x428 [ 79.550647][ T5058] gfs2_fill_super+0xe20/0x1a9c [ 79.551450][ T5058] get_tree_bdev+0x35c/0x54c [ 79.552243][ T5058] gfs2_get_tree+0x58/0x1b8 [ 79.553033][ T5058] vfs_get_tree+0x90/0x278 [ 79.553796][ T5058] do_new_mount+0x228/0x804 [ 79.554583][ T5058] path_mount+0x57c/0xfe8 [ 79.555306][ T5058] __arm64_sys_mount+0x488/0x5f8 [ 79.556356][ T5058] invoke_syscall+0x98/0x28c [ 79.557221][ T5058] el0_svc_common+0x13c/0x258 [ 79.558102][ T5058] do_el0_svc+0x5c/0x140 [ 79.558898][ T5058] el0_svc+0x78/0x1d0 [ 79.559649][ T5058] el0t_64_sync_handler+0xcc/0xe4 [ 79.560588][ T5058] el0t_64_sync+0x1a0/0x1a4 [ 79.566365][ T5056] CPU: 1 PID: 5056 Comm: syz.2.57 Not tainted syzkaller #0 [ 79.567481][ T5052] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.567623][ T5056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 79.569797][ T5052] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.571510][ T5056] Call trace: [ 79.573135][ T5056] dump_backtrace+0x0/0x458 [ 79.574041][ T5056] show_stack+0x2c/0x3c [ 79.574770][ T5056] __dump_stack+0x30/0x40 [ 79.575560][ T5056] dump_stack_lvl+0xf4/0x15c [ 79.576387][ T5056] dump_stack+0x1c/0x5c [ 79.577109][ T5056] sysfs_create_dir_ns+0x244/0x264 [ 79.578019][ T5056] kobject_add_internal+0x594/0xc2c [ 79.578924][ T5056] kobject_init_and_add+0x128/0x194 [ 79.579806][ T5056] gfs2_sys_fs_add+0x208/0x428 [ 79.580605][ T5056] gfs2_fill_super+0xe20/0x1a9c [ 79.581461][ T5056] get_tree_bdev+0x35c/0x54c [ 79.582266][ T5056] gfs2_get_tree+0x58/0x1b8 [ 79.583059][ T5056] vfs_get_tree+0x90/0x278 [ 79.583807][ T5056] do_new_mount+0x228/0x804 [ 79.584566][ T5056] path_mount+0x57c/0xfe8 [ 79.585340][ T5056] __arm64_sys_mount+0x488/0x5f8 [ 79.586289][ T5056] invoke_syscall+0x98/0x28c [ 79.587094][ T5056] el0_svc_common+0x13c/0x258 [ 79.587910][ T5056] do_el0_svc+0x5c/0x140 [ 79.588602][ T5056] el0_svc+0x78/0x1d0 [ 79.589287][ T5056] el0t_64_sync_handler+0xcc/0xe4 [ 79.590069][ T5056] el0t_64_sync+0x1a0/0x1a4 [ 79.592961][ T5058] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.595137][ T5058] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.618043][ T5056] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.620573][ T5056] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.862584][ T5058] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.863922][ T5058] CPU: 0 PID: 5058 Comm: syz.3.58 Not tainted syzkaller #0 [ 79.865176][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 79.866835][ T5058] Call trace: [ 79.867368][ T5058] dump_backtrace+0x0/0x458 [ 79.868162][ T5058] show_stack+0x2c/0x3c [ 79.869009][ T5058] __dump_stack+0x30/0x40 [ 79.869907][ T5058] dump_stack_lvl+0xf4/0x15c [ 79.870868][ T5058] dump_stack+0x1c/0x5c [ 79.871646][ T5058] sysfs_create_dir_ns+0x244/0x264 [ 79.872572][ T5058] kobject_add_internal+0x594/0xc2c [ 79.873490][ T5058] kobject_init_and_add+0x128/0x194 [ 79.874391][ T5058] gfs2_sys_fs_add+0x208/0x428 [ 79.875240][ T5058] gfs2_fill_super+0xe20/0x1a9c [ 79.876073][ T5058] get_tree_bdev+0x35c/0x54c [ 79.876895][ T5058] gfs2_get_tree+0x58/0x1b8 [ 79.877600][ T5058] vfs_get_tree+0x90/0x278 [ 79.878338][ T5058] do_new_mount+0x228/0x804 [ 79.879120][ T5058] path_mount+0x57c/0xfe8 [ 79.879914][ T5058] __arm64_sys_mount+0x488/0x5f8 [ 79.880830][ T5058] invoke_syscall+0x98/0x28c [ 79.881611][ T5058] el0_svc_common+0x13c/0x258 [ 79.882434][ T5058] do_el0_svc+0x5c/0x140 [ 79.883171][ T5058] el0_svc+0x78/0x1d0 [ 79.883832][ T5058] el0t_64_sync_handler+0xcc/0xe4 [ 79.884699][ T5058] el0t_64_sync+0x1a0/0x1a4 [ 79.885754][ T5058] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.888725][ T5058] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.891465][ T5062] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.892778][ T5062] CPU: 1 PID: 5062 Comm: syz.0.60 Not tainted syzkaller #0 [ 79.893876][ T5060] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.893940][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 79.896694][ T5062] Call trace: [ 79.897164][ T5062] dump_backtrace+0x0/0x458 [ 79.897897][ T5062] show_stack+0x2c/0x3c [ 79.898729][ T5062] __dump_stack+0x30/0x40 [ 79.899621][ T5062] dump_stack_lvl+0xf4/0x15c [ 79.900584][ T5062] dump_stack+0x1c/0x5c [ 79.901399][ T5062] sysfs_create_dir_ns+0x244/0x264 [ 79.902380][ T5062] kobject_add_internal+0x594/0xc2c [ 79.903379][ T5062] kobject_init_and_add+0x128/0x194 [ 79.904389][ T5062] gfs2_sys_fs_add+0x208/0x428 [ 79.905308][ T5062] gfs2_fill_super+0xe20/0x1a9c [ 79.906246][ T5062] get_tree_bdev+0x35c/0x54c [ 79.907160][ T5062] gfs2_get_tree+0x58/0x1b8 [ 79.907987][ T5062] vfs_get_tree+0x90/0x278 [ 79.908835][ T5062] do_new_mount+0x228/0x804 [ 79.909642][ T5062] path_mount+0x57c/0xfe8 [ 79.910437][ T5062] __arm64_sys_mount+0x488/0x5f8 [ 79.911291][ T5062] invoke_syscall+0x98/0x28c [ 79.912079][ T5062] el0_svc_common+0x13c/0x258 [ 79.912915][ T5062] do_el0_svc+0x5c/0x140 [ 79.913667][ T5062] el0_svc+0x78/0x1d0 [ 79.914462][ T5062] el0t_64_sync_handler+0xcc/0xe4 [ 79.915395][ T5062] el0t_64_sync+0x1a0/0x1a4 [ 79.916172][ T5060] CPU: 0 PID: 5060 Comm: syz.4.59 Not tainted syzkaller #0 [ 79.917383][ T5060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 79.919208][ T5060] Call trace: [ 79.919792][ T5060] dump_backtrace+0x0/0x458 [ 79.920577][ T5060] show_stack+0x2c/0x3c [ 79.921274][ T5060] __dump_stack+0x30/0x40 [ 79.921973][ T5060] dump_stack_lvl+0xf4/0x15c [ 79.922761][ T5060] dump_stack+0x1c/0x5c [ 79.923454][ T5060] sysfs_create_dir_ns+0x244/0x264 [ 79.924331][ T5060] kobject_add_internal+0x594/0xc2c [ 79.925212][ T5060] kobject_init_and_add+0x128/0x194 [ 79.926128][ T5060] gfs2_sys_fs_add+0x208/0x428 [ 79.927013][ T5060] gfs2_fill_super+0xe20/0x1a9c [ 79.927867][ T5060] get_tree_bdev+0x35c/0x54c [ 79.928673][ T5060] gfs2_get_tree+0x58/0x1b8 [ 79.929493][ T5060] vfs_get_tree+0x90/0x278 [ 79.930232][ T5060] do_new_mount+0x228/0x804 [ 79.930932][ T5060] path_mount+0x57c/0xfe8 [ 79.931660][ T5060] __arm64_sys_mount+0x488/0x5f8 [ 79.932459][ T5062] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.932489][ T5060] invoke_syscall+0x98/0x28c [ 79.934605][ T5062] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.935353][ T5060] el0_svc_common+0x13c/0x258 [ 79.937304][ T5060] do_el0_svc+0x5c/0x140 [ 79.938149][ T5060] el0_svc+0x78/0x1d0 [ 79.938893][ T5060] el0t_64_sync_handler+0xcc/0xe4 [ 79.939674][ T5060] el0t_64_sync+0x1a0/0x1a4 [ 79.940359][ T5064] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.940878][ T5060] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.941643][ T5064] CPU: 1 PID: 5064 Comm: syz.2.61 Not tainted syzkaller #0 [ 79.943839][ T5060] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.945067][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 79.948205][ T5064] Call trace: [ 79.948875][ T5064] dump_backtrace+0x0/0x458 [ 79.949744][ T5064] show_stack+0x2c/0x3c [ 79.950458][ T5064] __dump_stack+0x30/0x40 [ 79.951210][ T5064] dump_stack_lvl+0xf4/0x15c [ 79.952016][ T5064] dump_stack+0x1c/0x5c [ 79.952740][ T5064] sysfs_create_dir_ns+0x244/0x264 [ 79.953573][ T5064] kobject_add_internal+0x594/0xc2c [ 79.954406][ T5064] kobject_init_and_add+0x128/0x194 [ 79.955328][ T5064] gfs2_sys_fs_add+0x208/0x428 [ 79.956207][ T5064] gfs2_fill_super+0xe20/0x1a9c [ 79.957030][ T5064] get_tree_bdev+0x35c/0x54c [ 79.957767][ T5064] gfs2_get_tree+0x58/0x1b8 [ 79.958540][ T5064] vfs_get_tree+0x90/0x278 [ 79.959267][ T5064] do_new_mount+0x228/0x804 [ 79.960029][ T5064] path_mount+0x57c/0xfe8 [ 79.960767][ T5064] __arm64_sys_mount+0x488/0x5f8 [ 79.961560][ T5064] invoke_syscall+0x98/0x28c [ 79.962321][ T5064] el0_svc_common+0x13c/0x258 [ 79.963115][ T5064] do_el0_svc+0x5c/0x140 [ 79.963863][ T5064] el0_svc+0x78/0x1d0 [ 79.964547][ T5064] el0t_64_sync_handler+0xcc/0xe4 [ 79.965434][ T5064] el0t_64_sync+0x1a0/0x1a4 [ 79.968070][ T5064] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.970293][ T5064] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.272899][ T5060] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.274310][ T5060] CPU: 0 PID: 5060 Comm: syz.4.59 Not tainted syzkaller #0 [ 80.275612][ T5060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 80.277566][ T5060] Call trace: [ 80.278131][ T5060] dump_backtrace+0x0/0x458 [ 80.278924][ T5060] show_stack+0x2c/0x3c [ 80.279698][ T5060] __dump_stack+0x30/0x40 [ 80.280457][ T5060] dump_stack_lvl+0xf4/0x15c [ 80.281304][ T5060] dump_stack+0x1c/0x5c [ 80.282006][ T5060] sysfs_create_dir_ns+0x244/0x264 [ 80.282893][ T5060] kobject_add_internal+0x594/0xc2c [ 80.283806][ T5060] kobject_init_and_add+0x128/0x194 [ 80.284699][ T5060] gfs2_sys_fs_add+0x208/0x428 [ 80.285558][ T5060] gfs2_fill_super+0xe20/0x1a9c [ 80.286415][ T5060] get_tree_bdev+0x35c/0x54c [ 80.287277][ T5060] gfs2_get_tree+0x58/0x1b8 [ 80.288103][ T5060] vfs_get_tree+0x90/0x278 [ 80.289027][ T5060] do_new_mount+0x228/0x804 [ 80.289967][ T5060] path_mount+0x57c/0xfe8 [ 80.290783][ T5060] __arm64_sys_mount+0x488/0x5f8 [ 80.291738][ T5060] invoke_syscall+0x98/0x28c [ 80.292572][ T5060] el0_svc_common+0x13c/0x258 [ 80.293394][ T5060] do_el0_svc+0x5c/0x140 [ 80.294185][ T5060] el0_svc+0x78/0x1d0 [ 80.294886][ T5060] el0t_64_sync_handler+0xcc/0xe4 [ 80.295782][ T5060] el0t_64_sync+0x1a0/0x1a4 [ 80.300978][ T5062] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.302146][ T5062] CPU: 0 PID: 5062 Comm: syz.0.60 Not tainted syzkaller #0 [ 80.303534][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 80.303554][ T5060] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.305305][ T5062] Call trace: [ 80.305311][ T5062] dump_backtrace+0x0/0x458 [ 80.307894][ T5060] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.308106][ T5062] show_stack+0x2c/0x3c [ 80.308121][ T5062] __dump_stack+0x30/0x40 [ 80.311361][ T5062] dump_stack_lvl+0xf4/0x15c [ 80.312115][ T5062] dump_stack+0x1c/0x5c [ 80.312807][ T5062] sysfs_create_dir_ns+0x244/0x264 [ 80.313737][ T5062] kobject_add_internal+0x594/0xc2c [ 80.314654][ T5062] kobject_init_and_add+0x128/0x194 [ 80.315556][ T5062] gfs2_sys_fs_add+0x208/0x428 [ 80.316432][ T5062] gfs2_fill_super+0xe20/0x1a9c [ 80.317225][ T5062] get_tree_bdev+0x35c/0x54c [ 80.318017][ T5062] gfs2_get_tree+0x58/0x1b8 [ 80.318763][ T5062] vfs_get_tree+0x90/0x278 [ 80.319509][ T5062] do_new_mount+0x228/0x804 [ 80.320302][ T5062] path_mount+0x57c/0xfe8 [ 80.321083][ T5062] __arm64_sys_mount+0x488/0x5f8 [ 80.321970][ T5062] invoke_syscall+0x98/0x28c [ 80.322783][ T5062] el0_svc_common+0x13c/0x258 [ 80.323618][ T5062] do_el0_svc+0x5c/0x140 [ 80.324351][ T5062] el0_svc+0x78/0x1d0 [ 80.325053][ T5062] el0t_64_sync_handler+0xcc/0xe4 [ 80.325966][ T5062] el0t_64_sync+0x1a0/0x1a4 [ 80.330621][ T5062] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.332941][ T5062] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.348706][ T5066] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.350000][ T5066] CPU: 1 PID: 5066 Comm: syz.3.62 Not tainted syzkaller #0 [ 80.351172][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 80.352764][ T5066] Call trace: [ 80.353356][ T5066] dump_backtrace+0x0/0x458 [ 80.354143][ T5066] show_stack+0x2c/0x3c [ 80.354829][ T5066] __dump_stack+0x30/0x40 [ 80.355474][ T5066] dump_stack_lvl+0xf4/0x15c [ 80.356302][ T5066] dump_stack+0x1c/0x5c [ 80.357019][ T5066] sysfs_create_dir_ns+0x244/0x264 [ 80.357935][ T5066] kobject_add_internal+0x594/0xc2c [ 80.358888][ T5066] kobject_init_and_add+0x128/0x194 [ 80.359840][ T5066] gfs2_sys_fs_add+0x208/0x428 [ 80.360706][ T5066] gfs2_fill_super+0xe20/0x1a9c [ 80.361531][ T5066] get_tree_bdev+0x35c/0x54c [ 80.362324][ T5066] gfs2_get_tree+0x58/0x1b8 [ 80.363242][ T5066] vfs_get_tree+0x90/0x278 [ 80.364140][ T5066] do_new_mount+0x228/0x804 [ 80.365044][ T5066] path_mount+0x57c/0xfe8 [ 80.365906][ T5066] __arm64_sys_mount+0x488/0x5f8 [ 80.366909][ T5066] invoke_syscall+0x98/0x28c [ 80.367801][ T5066] el0_svc_common+0x13c/0x258 [ 80.368640][ T5066] do_el0_svc+0x5c/0x140 [ 80.369400][ T5066] el0_svc+0x78/0x1d0 [ 80.370135][ T5066] el0t_64_sync_handler+0xcc/0xe4 [ 80.370994][ T5066] el0t_64_sync+0x1a0/0x1a4 [ 80.371967][ T5064] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.373399][ T5064] CPU: 1 PID: 5064 Comm: syz.2.61 Not tainted syzkaller #0 [ 80.374764][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 80.376659][ T5064] Call trace: [ 80.377255][ T5064] dump_backtrace+0x0/0x458 [ 80.378079][ T5064] show_stack+0x2c/0x3c [ 80.378781][ T5064] __dump_stack+0x30/0x40 [ 80.379540][ T5064] dump_stack_lvl+0xf4/0x15c [ 80.380380][ T5064] dump_stack+0x1c/0x5c [ 80.381154][ T5064] sysfs_create_dir_ns+0x244/0x264 [ 80.382103][ T5064] kobject_add_internal+0x594/0xc2c [ 80.383052][ T5064] kobject_init_and_add+0x128/0x194 [ 80.383970][ T5064] gfs2_sys_fs_add+0x208/0x428 [ 80.384853][ T5064] gfs2_fill_super+0xe20/0x1a9c [ 80.385710][ T5064] get_tree_bdev+0x35c/0x54c [ 80.386471][ T5064] gfs2_get_tree+0x58/0x1b8 [ 80.387207][ T5064] vfs_get_tree+0x90/0x278 [ 80.387922][ T5064] do_new_mount+0x228/0x804 [ 80.388687][ T5064] path_mount+0x57c/0xfe8 [ 80.389412][ T5064] __arm64_sys_mount+0x488/0x5f8 [ 80.390243][ T5064] invoke_syscall+0x98/0x28c [ 80.391012][ T5064] el0_svc_common+0x13c/0x258 [ 80.391844][ T5064] do_el0_svc+0x5c/0x140 [ 80.392582][ T5064] el0_svc+0x78/0x1d0 [ 80.393303][ T5064] el0t_64_sync_handler+0xcc/0xe4 [ 80.394203][ T5064] el0t_64_sync+0x1a0/0x1a4 [ 80.417681][ T5064] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.419844][ T5064] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.421136][ T5066] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.423264][ T5066] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.562715][ T5068] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.564243][ T5068] CPU: 0 PID: 5068 Comm: syz.0.63 Not tainted syzkaller #0 [ 80.565462][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 80.567037][ T5068] Call trace: [ 80.567571][ T5068] dump_backtrace+0x0/0x458 [ 80.568397][ T5068] show_stack+0x2c/0x3c [ 80.569128][ T5068] __dump_stack+0x30/0x40 [ 80.569894][ T5068] dump_stack_lvl+0xf4/0x15c [ 80.570706][ T5068] dump_stack+0x1c/0x5c [ 80.571408][ T5068] sysfs_create_dir_ns+0x244/0x264 [ 80.572241][ T5068] kobject_add_internal+0x594/0xc2c [ 80.573047][ T5068] kobject_init_and_add+0x128/0x194 [ 80.573855][ T5068] gfs2_sys_fs_add+0x208/0x428 [ 80.574702][ T5068] gfs2_fill_super+0xe20/0x1a9c [ 80.575553][ T5068] get_tree_bdev+0x35c/0x54c [ 80.576363][ T5068] gfs2_get_tree+0x58/0x1b8 [ 80.577107][ T5068] vfs_get_tree+0x90/0x278 [ 80.577860][ T5068] do_new_mount+0x228/0x804 [ 80.578624][ T5068] path_mount+0x57c/0xfe8 [ 80.579347][ T5068] __arm64_sys_mount+0x488/0x5f8 [ 80.580110][ T5068] invoke_syscall+0x98/0x28c [ 80.580902][ T5068] el0_svc_common+0x13c/0x258 [ 80.581683][ T5068] do_el0_svc+0x5c/0x140 [ 80.582415][ T5068] el0_svc+0x78/0x1d0 [ 80.583115][ T5068] el0t_64_sync_handler+0xcc/0xe4 [ 80.583976][ T5068] el0t_64_sync+0x1a0/0x1a4 [ 80.599907][ T5068] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.602236][ T5068] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.695118][ T5066] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.696395][ T5066] CPU: 1 PID: 5066 Comm: syz.3.62 Not tainted syzkaller #0 [ 80.697631][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 80.699504][ T5066] Call trace: [ 80.700123][ T5066] dump_backtrace+0x0/0x458 [ 80.700970][ T5066] show_stack+0x2c/0x3c [ 80.701683][ T5066] __dump_stack+0x30/0x40 [ 80.702446][ T5066] dump_stack_lvl+0xf4/0x15c [ 80.703234][ T5066] dump_stack+0x1c/0x5c [ 80.703924][ T5066] sysfs_create_dir_ns+0x244/0x264 [ 80.704752][ T5066] kobject_add_internal+0x594/0xc2c [ 80.705602][ T5066] kobject_init_and_add+0x128/0x194 [ 80.706479][ T5066] gfs2_sys_fs_add+0x208/0x428 [ 80.707327][ T5066] gfs2_fill_super+0xe20/0x1a9c [ 80.708129][ T5066] get_tree_bdev+0x35c/0x54c [ 80.708914][ T5066] gfs2_get_tree+0x58/0x1b8 [ 80.709697][ T5066] vfs_get_tree+0x90/0x278 [ 80.710462][ T5066] do_new_mount+0x228/0x804 [ 80.711192][ T5066] path_mount+0x57c/0xfe8 [ 80.711901][ T5066] __arm64_sys_mount+0x488/0x5f8 [ 80.712717][ T5066] invoke_syscall+0x98/0x28c [ 80.713483][ T5066] el0_svc_common+0x13c/0x258 [ 80.714274][ T5066] do_el0_svc+0x5c/0x140 [ 80.714957][ T5066] el0_svc+0x78/0x1d0 [ 80.715640][ T5066] el0t_64_sync_handler+0xcc/0xe4 [ 80.716673][ T5066] el0t_64_sync+0x1a0/0x1a4 [ 80.718257][ T5066] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.721459][ T5066] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.729711][ T5070] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.730930][ T5070] CPU: 1 PID: 5070 Comm: syz.4.64 Not tainted syzkaller #0 [ 80.732106][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 80.733760][ T5070] Call trace: [ 80.734270][ T5070] dump_backtrace+0x0/0x458 [ 80.734972][ T5070] show_stack+0x2c/0x3c [ 80.735677][ T5070] __dump_stack+0x30/0x40 [ 80.736376][ T5070] dump_stack_lvl+0xf4/0x15c [ 80.737148][ T5070] dump_stack+0x1c/0x5c [ 80.737876][ T5070] sysfs_create_dir_ns+0x244/0x264 [ 80.738817][ T5070] kobject_add_internal+0x594/0xc2c [ 80.739718][ T5070] kobject_init_and_add+0x128/0x194 [ 80.740664][ T5070] gfs2_sys_fs_add+0x208/0x428 [ 80.741496][ T5070] gfs2_fill_super+0xe20/0x1a9c [ 80.742341][ T5070] get_tree_bdev+0x35c/0x54c [ 80.743131][ T5070] gfs2_get_tree+0x58/0x1b8 [ 80.743955][ T5070] vfs_get_tree+0x90/0x278 [ 80.744750][ T5070] do_new_mount+0x228/0x804 [ 80.745528][ T5070] path_mount+0x57c/0xfe8 [ 80.746244][ T5070] __arm64_sys_mount+0x488/0x5f8 [ 80.747092][ T5070] invoke_syscall+0x98/0x28c [ 80.747915][ T5070] el0_svc_common+0x13c/0x258 [ 80.748661][ T5070] do_el0_svc+0x5c/0x140 [ 80.749270][ T5070] el0_svc+0x78/0x1d0 [ 80.749921][ T5070] el0t_64_sync_handler+0xcc/0xe4 [ 80.750840][ T5070] el0t_64_sync+0x1a0/0x1a4 [ 80.755105][ T5070] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.757216][ T5070] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.772081][ T5072] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.773480][ T5072] CPU: 0 PID: 5072 Comm: syz.2.65 Not tainted syzkaller #0 [ 80.774830][ T5072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 80.776725][ T5072] Call trace: [ 80.777377][ T5072] dump_backtrace+0x0/0x458 [ 80.778283][ T5072] show_stack+0x2c/0x3c [ 80.779017][ T5072] __dump_stack+0x30/0x40 [ 80.779775][ T5072] dump_stack_lvl+0xf4/0x15c [ 80.780601][ T5072] dump_stack+0x1c/0x5c [ 80.781332][ T5072] sysfs_create_dir_ns+0x244/0x264 [ 80.782188][ T5072] kobject_add_internal+0x594/0xc2c [ 80.783073][ T5072] kobject_init_and_add+0x128/0x194 [ 80.783981][ T5072] gfs2_sys_fs_add+0x208/0x428 [ 80.784799][ T5072] gfs2_fill_super+0xe20/0x1a9c [ 80.785648][ T5072] get_tree_bdev+0x35c/0x54c [ 80.786474][ T5072] gfs2_get_tree+0x58/0x1b8 [ 80.787253][ T5072] vfs_get_tree+0x90/0x278 [ 80.788021][ T5072] do_new_mount+0x228/0x804 [ 80.788721][ T5072] path_mount+0x57c/0xfe8 [ 80.789406][ T5072] __arm64_sys_mount+0x488/0x5f8 [ 80.790208][ T5072] invoke_syscall+0x98/0x28c [ 80.791025][ T5072] el0_svc_common+0x13c/0x258 [ 80.791817][ T5072] do_el0_svc+0x5c/0x140 [ 80.792687][ T5072] el0_svc+0x78/0x1d0 [ 80.793522][ T5072] el0t_64_sync_handler+0xcc/0xe4 [ 80.794574][ T5072] el0t_64_sync+0x1a0/0x1a4 [ 80.827282][ T5072] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.829708][ T5072] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.010204][ T5068] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.011045][ T5070] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.011566][ T5068] CPU: 0 PID: 5068 Comm: syz.0.63 Not tainted syzkaller #0 [ 81.014014][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 81.015660][ T5068] Call trace: [ 81.016205][ T5068] dump_backtrace+0x0/0x458 [ 81.016985][ T5068] show_stack+0x2c/0x3c [ 81.017651][ T5068] __dump_stack+0x30/0x40 [ 81.018456][ T5068] dump_stack_lvl+0xf4/0x15c [ 81.019262][ T5068] dump_stack+0x1c/0x5c [ 81.020004][ T5068] sysfs_create_dir_ns+0x244/0x264 [ 81.020918][ T5068] kobject_add_internal+0x594/0xc2c [ 81.021829][ T5068] kobject_init_and_add+0x128/0x194 [ 81.022720][ T5068] gfs2_sys_fs_add+0x208/0x428 [ 81.023549][ T5068] gfs2_fill_super+0xe20/0x1a9c [ 81.024379][ T5068] get_tree_bdev+0x35c/0x54c [ 81.025202][ T5068] gfs2_get_tree+0x58/0x1b8 [ 81.025996][ T5068] vfs_get_tree+0x90/0x278 [ 81.026786][ T5068] do_new_mount+0x228/0x804 [ 81.027604][ T5068] path_mount+0x57c/0xfe8 [ 81.028400][ T5068] __arm64_sys_mount+0x488/0x5f8 [ 81.029311][ T5068] invoke_syscall+0x98/0x28c [ 81.030103][ T5068] el0_svc_common+0x13c/0x258 [ 81.030915][ T5068] do_el0_svc+0x5c/0x140 [ 81.031686][ T5068] el0_svc+0x78/0x1d0 [ 81.032343][ T5068] el0t_64_sync_handler+0xcc/0xe4 [ 81.033201][ T5068] el0t_64_sync+0x1a0/0x1a4 [ 81.033988][ T5070] CPU: 1 PID: 5070 Comm: syz.4.64 Not tainted syzkaller #0 [ 81.035269][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 81.037145][ T5070] Call trace: [ 81.037680][ T5070] dump_backtrace+0x0/0x458 [ 81.038426][ T5070] show_stack+0x2c/0x3c [ 81.039119][ T5070] __dump_stack+0x30/0x40 [ 81.039846][ T5070] dump_stack_lvl+0xf4/0x15c [ 81.040652][ T5070] dump_stack+0x1c/0x5c [ 81.041368][ T5070] sysfs_create_dir_ns+0x244/0x264 [ 81.041431][ T5068] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.042243][ T5070] kobject_add_internal+0x594/0xc2c [ 81.044582][ T5068] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.045328][ T5070] kobject_init_and_add+0x128/0x194 [ 81.047472][ T5070] gfs2_sys_fs_add+0x208/0x428 [ 81.048266][ T5070] gfs2_fill_super+0xe20/0x1a9c [ 81.049077][ T5070] get_tree_bdev+0x35c/0x54c [ 81.049838][ T5070] gfs2_get_tree+0x58/0x1b8 [ 81.050584][ T5070] vfs_get_tree+0x90/0x278 [ 81.051333][ T5070] do_new_mount+0x228/0x804 [ 81.052088][ T5070] path_mount+0x57c/0xfe8 [ 81.052789][ T5070] __arm64_sys_mount+0x488/0x5f8 [ 81.053640][ T5070] invoke_syscall+0x98/0x28c [ 81.054484][ T5070] el0_svc_common+0x13c/0x258 [ 81.055075][ T5074] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.055238][ T5070] do_el0_svc+0x5c/0x140 [ 81.057153][ T5070] el0_svc+0x78/0x1d0 [ 81.057847][ T5070] el0t_64_sync_handler+0xcc/0xe4 [ 81.058705][ T5070] el0t_64_sync+0x1a0/0x1a4 [ 81.060931][ T5074] CPU: 1 PID: 5074 Comm: syz.3.66 Not tainted syzkaller #0 [ 81.062208][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 81.063818][ T5074] Call trace: [ 81.064373][ T5074] dump_backtrace+0x0/0x458 [ 81.065099][ T5074] show_stack+0x2c/0x3c [ 81.065764][ T5074] __dump_stack+0x30/0x40 [ 81.066481][ T5074] dump_stack_lvl+0xf4/0x15c [ 81.067263][ T5074] dump_stack+0x1c/0x5c [ 81.067960][ T5074] sysfs_create_dir_ns+0x244/0x264 [ 81.068886][ T5074] kobject_add_internal+0x594/0xc2c [ 81.069825][ T5074] kobject_init_and_add+0x128/0x194 [ 81.070779][ T5074] gfs2_sys_fs_add+0x208/0x428 [ 81.071581][ T5074] gfs2_fill_super+0xe20/0x1a9c [ 81.072413][ T5074] get_tree_bdev+0x35c/0x54c [ 81.073187][ T5074] gfs2_get_tree+0x58/0x1b8 [ 81.073986][ T5074] vfs_get_tree+0x90/0x278 [ 81.074718][ T5074] do_new_mount+0x228/0x804 [ 81.075544][ T5074] path_mount+0x57c/0xfe8 [ 81.076312][ T5074] __arm64_sys_mount+0x488/0x5f8 [ 81.077081][ T5074] invoke_syscall+0x98/0x28c [ 81.077835][ T5074] el0_svc_common+0x13c/0x258 [ 81.078603][ T5074] do_el0_svc+0x5c/0x140 [ 81.079477][ T5074] el0_svc+0x78/0x1d0 [ 81.080293][ T5074] el0t_64_sync_handler+0xcc/0xe4 [ 81.081198][ T5074] el0t_64_sync+0x1a0/0x1a4 [ 81.082304][ T5074] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.083691][ T5070] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.084848][ T5074] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.087032][ T5070] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.090754][ T5072] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.091990][ T5072] CPU: 1 PID: 5072 Comm: syz.2.65 Not tainted syzkaller #0 [ 81.093240][ T5072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 81.094977][ T5072] Call trace: [ 81.095512][ T5072] dump_backtrace+0x0/0x458 [ 81.096242][ T5072] show_stack+0x2c/0x3c [ 81.096965][ T5072] __dump_stack+0x30/0x40 [ 81.097706][ T5072] dump_stack_lvl+0xf4/0x15c [ 81.098512][ T5072] dump_stack+0x1c/0x5c [ 81.099235][ T5072] sysfs_create_dir_ns+0x244/0x264 [ 81.100137][ T5072] kobject_add_internal+0x594/0xc2c [ 81.100979][ T5072] kobject_init_and_add+0x128/0x194 [ 81.101836][ T5072] gfs2_sys_fs_add+0x208/0x428 [ 81.102625][ T5072] gfs2_fill_super+0xe20/0x1a9c [ 81.103427][ T5072] get_tree_bdev+0x35c/0x54c [ 81.104179][ T5072] gfs2_get_tree+0x58/0x1b8 [ 81.104961][ T5072] vfs_get_tree+0x90/0x278 [ 81.105682][ T5072] do_new_mount+0x228/0x804 [ 81.106419][ T5072] path_mount+0x57c/0xfe8 [ 81.107135][ T5072] __arm64_sys_mount+0x488/0x5f8 [ 81.107934][ T5072] invoke_syscall+0x98/0x28c [ 81.108732][ T5072] el0_svc_common+0x13c/0x258 [ 81.109560][ T5072] do_el0_svc+0x5c/0x140 [ 81.110419][ T5072] el0_svc+0x78/0x1d0 [ 81.111123][ T5072] el0t_64_sync_handler+0xcc/0xe4 [ 81.112026][ T5072] el0t_64_sync+0x1a0/0x1a4 [ 81.129506][ T5072] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.137451][ T5072] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.373854][ T5076] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.373862][ T5080] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.373878][ T5080] CPU: 1 PID: 5080 Comm: syz.2.69 Not tainted syzkaller #0 [ 81.377714][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 81.379532][ T5080] Call trace: [ 81.380083][ T5080] dump_backtrace+0x0/0x458 [ 81.380934][ T5080] show_stack+0x2c/0x3c [ 81.381658][ T5080] __dump_stack+0x30/0x40 [ 81.382454][ T5080] dump_stack_lvl+0xf4/0x15c [ 81.383263][ T5080] dump_stack+0x1c/0x5c [ 81.384006][ T5080] sysfs_create_dir_ns+0x244/0x264 [ 81.384956][ T5080] kobject_add_internal+0x594/0xc2c [ 81.386016][ T5080] kobject_init_and_add+0x128/0x194 [ 81.387070][ T5080] gfs2_sys_fs_add+0x208/0x428 [ 81.388038][ T5080] gfs2_fill_super+0xe20/0x1a9c [ 81.389065][ T5080] get_tree_bdev+0x35c/0x54c [ 81.389940][ T5080] gfs2_get_tree+0x58/0x1b8 [ 81.390807][ T5080] vfs_get_tree+0x90/0x278 [ 81.391590][ T5080] do_new_mount+0x228/0x804 [ 81.392418][ T5080] path_mount+0x57c/0xfe8 [ 81.393258][ T5080] __arm64_sys_mount+0x488/0x5f8 [ 81.394146][ T5080] invoke_syscall+0x98/0x28c [ 81.395003][ T5080] el0_svc_common+0x13c/0x258 [ 81.395895][ T5080] do_el0_svc+0x5c/0x140 [ 81.396675][ T5080] el0_svc+0x78/0x1d0 [ 81.397401][ T5080] el0t_64_sync_handler+0xcc/0xe4 [ 81.398253][ T5080] el0t_64_sync+0x1a0/0x1a4 [ 81.399039][ T5076] CPU: 0 PID: 5076 Comm: syz.4.68 Not tainted syzkaller #0 [ 81.400274][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 81.402022][ T5076] Call trace: [ 81.402558][ T5076] dump_backtrace+0x0/0x458 [ 81.403310][ T5076] show_stack+0x2c/0x3c [ 81.404013][ T5076] __dump_stack+0x30/0x40 [ 81.404778][ T5076] dump_stack_lvl+0xf4/0x15c [ 81.405563][ T5076] dump_stack+0x1c/0x5c [ 81.406291][ T5076] sysfs_create_dir_ns+0x244/0x264 [ 81.407187][ T5076] kobject_add_internal+0x594/0xc2c [ 81.408111][ T5076] kobject_init_and_add+0x128/0x194 [ 81.409029][ T5076] gfs2_sys_fs_add+0x208/0x428 [ 81.409881][ T5076] gfs2_fill_super+0xe20/0x1a9c [ 81.410691][ T5076] get_tree_bdev+0x35c/0x54c [ 81.411514][ T5076] gfs2_get_tree+0x58/0x1b8 [ 81.412303][ T5076] vfs_get_tree+0x90/0x278 [ 81.413092][ T5076] do_new_mount+0x228/0x804 [ 81.413937][ T5076] path_mount+0x57c/0xfe8 [ 81.414722][ T5076] __arm64_sys_mount+0x488/0x5f8 [ 81.415639][ T5076] invoke_syscall+0x98/0x28c [ 81.416473][ T5076] el0_svc_common+0x13c/0x258 [ 81.417292][ T5076] do_el0_svc+0x5c/0x140 [ 81.418003][ T5076] el0_svc+0x78/0x1d0 [ 81.418668][ T5076] el0t_64_sync_handler+0xcc/0xe4 [ 81.419568][ T5076] el0t_64_sync+0x1a0/0x1a4 [ 81.420660][ T5078] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.421771][ T5078] CPU: 0 PID: 5078 Comm: syz.0.67 Not tainted syzkaller #0 [ 81.423093][ T5078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 81.423672][ T5080] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.424958][ T5078] Call trace: [ 81.424964][ T5078] dump_backtrace+0x0/0x458 [ 81.427072][ T5080] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.427645][ T5078] show_stack+0x2c/0x3c [ 81.427657][ T5078] __dump_stack+0x30/0x40 [ 81.427667][ T5078] dump_stack_lvl+0xf4/0x15c [ 81.427675][ T5078] dump_stack+0x1c/0x5c [ 81.427682][ T5078] sysfs_create_dir_ns+0x244/0x264 [ 81.427688][ T5078] kobject_add_internal+0x594/0xc2c [ 81.427693][ T5078] kobject_init_and_add+0x128/0x194 [ 81.427698][ T5078] gfs2_sys_fs_add+0x208/0x428 [ 81.427703][ T5078] gfs2_fill_super+0xe20/0x1a9c [ 81.427709][ T5078] get_tree_bdev+0x35c/0x54c [ 81.427714][ T5078] gfs2_get_tree+0x58/0x1b8 [ 81.427719][ T5078] vfs_get_tree+0x90/0x278 [ 81.427723][ T5078] do_new_mount+0x228/0x804 [ 81.427728][ T5078] path_mount+0x57c/0xfe8 [ 81.427732][ T5078] __arm64_sys_mount+0x488/0x5f8 [ 81.427737][ T5078] invoke_syscall+0x98/0x28c [ 81.427742][ T5078] el0_svc_common+0x13c/0x258 [ 81.427747][ T5078] do_el0_svc+0x5c/0x140 [ 81.427751][ T5078] el0_svc+0x78/0x1d0 [ 81.427756][ T5078] el0t_64_sync_handler+0xcc/0xe4 [ 81.427760][ T5078] el0t_64_sync+0x1a0/0x1a4 [ 81.451129][ T5076] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.453570][ T5076] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.455148][ T5078] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.457373][ T5078] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.498127][ T5074] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.499442][ T5074] CPU: 1 PID: 5074 Comm: syz.3.66 Not tainted syzkaller #0 [ 81.500692][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 81.502488][ T5074] Call trace: [ 81.503055][ T5074] dump_backtrace+0x0/0x458 [ 81.503820][ T5074] show_stack+0x2c/0x3c [ 81.504543][ T5074] __dump_stack+0x30/0x40 [ 81.505227][ T5074] dump_stack_lvl+0xf4/0x15c [ 81.505958][ T5074] dump_stack+0x1c/0x5c [ 81.506675][ T5074] sysfs_create_dir_ns+0x244/0x264 [ 81.507541][ T5074] kobject_add_internal+0x594/0xc2c [ 81.508430][ T5074] kobject_init_and_add+0x128/0x194 [ 81.509356][ T5074] gfs2_sys_fs_add+0x208/0x428 [ 81.510173][ T5074] gfs2_fill_super+0xe20/0x1a9c [ 81.510984][ T5074] get_tree_bdev+0x35c/0x54c [ 81.511792][ T5074] gfs2_get_tree+0x58/0x1b8 [ 81.512584][ T5074] vfs_get_tree+0x90/0x278 [ 81.513384][ T5074] do_new_mount+0x228/0x804 [ 81.514200][ T5074] path_mount+0x57c/0xfe8 [ 81.514986][ T5074] __arm64_sys_mount+0x488/0x5f8 [ 81.515860][ T5074] invoke_syscall+0x98/0x28c [ 81.516670][ T5074] el0_svc_common+0x13c/0x258 [ 81.517460][ T5074] do_el0_svc+0x5c/0x140 [ 81.518196][ T5074] el0_svc+0x78/0x1d0 [ 81.518883][ T5074] el0t_64_sync_handler+0xcc/0xe4 [ 81.519797][ T5074] el0t_64_sync+0x1a0/0x1a4 [ 81.561299][ T5074] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.563538][ T5074] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.671708][ T5080] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.673141][ T5080] CPU: 1 PID: 5080 Comm: syz.2.69 Not tainted syzkaller #0 [ 81.674280][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 81.676102][ T5080] Call trace: [ 81.676672][ T5080] dump_backtrace+0x0/0x458 [ 81.677443][ T5080] show_stack+0x2c/0x3c [ 81.678200][ T5080] __dump_stack+0x30/0x40 [ 81.678942][ T5080] dump_stack_lvl+0xf4/0x15c [ 81.679694][ T5080] dump_stack+0x1c/0x5c [ 81.680381][ T5080] sysfs_create_dir_ns+0x244/0x264 [ 81.681217][ T5080] kobject_add_internal+0x594/0xc2c [ 81.682103][ T5080] kobject_init_and_add+0x128/0x194 [ 81.683013][ T5080] gfs2_sys_fs_add+0x208/0x428 [ 81.683830][ T5080] gfs2_fill_super+0xe20/0x1a9c [ 81.684656][ T5080] get_tree_bdev+0x35c/0x54c [ 81.685451][ T5080] gfs2_get_tree+0x58/0x1b8 [ 81.686239][ T5080] vfs_get_tree+0x90/0x278 [ 81.687026][ T5080] do_new_mount+0x228/0x804 [ 81.687794][ T5080] path_mount+0x57c/0xfe8 [ 81.688552][ T5080] __arm64_sys_mount+0x488/0x5f8 [ 81.689384][ T5080] invoke_syscall+0x98/0x28c [ 81.690209][ T5080] el0_svc_common+0x13c/0x258 [ 81.690996][ T5080] do_el0_svc+0x5c/0x140 [ 81.691738][ T5080] el0_svc+0x78/0x1d0 [ 81.692389][ T5080] el0t_64_sync_handler+0xcc/0xe4 [ 81.693247][ T5080] el0t_64_sync+0x1a0/0x1a4 [ 81.705144][ T5078] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.706545][ T5078] CPU: 0 PID: 5078 Comm: syz.0.67 Not tainted syzkaller #0 [ 81.707858][ T5078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 81.709704][ T5078] Call trace: [ 81.710318][ T5078] dump_backtrace+0x0/0x458 [ 81.711133][ T5078] show_stack+0x2c/0x3c [ 81.711841][ T5078] __dump_stack+0x30/0x40 [ 81.712609][ T5078] dump_stack_lvl+0xf4/0x15c [ 81.713407][ T5078] dump_stack+0x1c/0x5c [ 81.714204][ T5078] sysfs_create_dir_ns+0x244/0x264 [ 81.715125][ T5078] kobject_add_internal+0x594/0xc2c [ 81.716111][ T5078] kobject_init_and_add+0x128/0x194 [ 81.717192][ T5078] gfs2_sys_fs_add+0x208/0x428 [ 81.718192][ T5078] gfs2_fill_super+0xe20/0x1a9c [ 81.719068][ T5078] get_tree_bdev+0x35c/0x54c [ 81.719873][ T5078] gfs2_get_tree+0x58/0x1b8 [ 81.720628][ T5078] vfs_get_tree+0x90/0x278 [ 81.721436][ T5078] do_new_mount+0x228/0x804 [ 81.722206][ T5078] path_mount+0x57c/0xfe8 [ 81.722940][ T5078] __arm64_sys_mount+0x488/0x5f8 [ 81.723801][ T5078] invoke_syscall+0x98/0x28c [ 81.724628][ T5078] el0_svc_common+0x13c/0x258 [ 81.724915][ T5080] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.725464][ T5078] do_el0_svc+0x5c/0x140 [ 81.727672][ T5080] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.728375][ T5078] el0_svc+0x78/0x1d0 [ 81.730070][ T5078] el0t_64_sync_handler+0xcc/0xe4 [ 81.730908][ T5078] el0t_64_sync+0x1a0/0x1a4 [ 81.765373][ T5078] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.768053][ T5078] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.791295][ T5076] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.792574][ T5076] CPU: 0 PID: 5076 Comm: syz.4.68 Not tainted syzkaller #0 [ 81.793751][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 81.795494][ T5076] Call trace: [ 81.796066][ T5076] dump_backtrace+0x0/0x458 [ 81.796808][ T5076] show_stack+0x2c/0x3c [ 81.797490][ T5076] __dump_stack+0x30/0x40 [ 81.798331][ T5076] dump_stack_lvl+0xf4/0x15c [ 81.799157][ T5076] dump_stack+0x1c/0x5c [ 81.799877][ T5076] sysfs_create_dir_ns+0x244/0x264 [ 81.800778][ T5076] kobject_add_internal+0x594/0xc2c [ 81.801659][ T5076] kobject_init_and_add+0x128/0x194 [ 81.802573][ T5076] gfs2_sys_fs_add+0x208/0x428 [ 81.803423][ T5076] gfs2_fill_super+0xe20/0x1a9c [ 81.804272][ T5076] get_tree_bdev+0x35c/0x54c [ 81.805062][ T5076] gfs2_get_tree+0x58/0x1b8 [ 81.805841][ T5076] vfs_get_tree+0x90/0x278 [ 81.806590][ T5076] do_new_mount+0x228/0x804 [ 81.807374][ T5076] path_mount+0x57c/0xfe8 [ 81.808079][ T5076] __arm64_sys_mount+0x488/0x5f8 [ 81.808915][ T5076] invoke_syscall+0x98/0x28c [ 81.809787][ T5076] el0_svc_common+0x13c/0x258 [ 81.810602][ T5076] do_el0_svc+0x5c/0x140 [ 81.811336][ T5076] el0_svc+0x78/0x1d0 [ 81.811999][ T5076] el0t_64_sync_handler+0xcc/0xe4 [ 81.812936][ T5076] el0t_64_sync+0x1a0/0x1a4 [ 81.832750][ T5076] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.835128][ T5076] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.878460][ T5082] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.879727][ T5082] CPU: 0 PID: 5082 Comm: syz.3.70 Not tainted syzkaller #0 [ 81.880833][ T5082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 81.882452][ T5082] Call trace: [ 81.882912][ T5082] dump_backtrace+0x0/0x458 [ 81.883617][ T5082] show_stack+0x2c/0x3c [ 81.884375][ T5082] __dump_stack+0x30/0x40 [ 81.885074][ T5082] dump_stack_lvl+0xf4/0x15c [ 81.885849][ T5082] dump_stack+0x1c/0x5c [ 81.886597][ T5082] sysfs_create_dir_ns+0x244/0x264 [ 81.887579][ T5082] kobject_add_internal+0x594/0xc2c [ 81.888565][ T5082] kobject_init_and_add+0x128/0x194 [ 81.889491][ T5082] gfs2_sys_fs_add+0x208/0x428 [ 81.890300][ T5082] gfs2_fill_super+0xe20/0x1a9c [ 81.891150][ T5082] get_tree_bdev+0x35c/0x54c [ 81.891951][ T5082] gfs2_get_tree+0x58/0x1b8 [ 81.892751][ T5082] vfs_get_tree+0x90/0x278 [ 81.893512][ T5082] do_new_mount+0x228/0x804 [ 81.894215][ T5082] path_mount+0x57c/0xfe8 [ 81.894966][ T5082] __arm64_sys_mount+0x488/0x5f8 [ 81.895854][ T5082] invoke_syscall+0x98/0x28c [ 81.896637][ T5082] el0_svc_common+0x13c/0x258 [ 81.897406][ T5082] do_el0_svc+0x5c/0x140 [ 81.898207][ T5082] el0_svc+0x78/0x1d0 [ 81.898931][ T5082] el0t_64_sync_handler+0xcc/0xe4 [ 81.899806][ T5082] el0t_64_sync+0x1a0/0x1a4 [ 81.939635][ T5082] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.949140][ T5082] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.003007][ T5084] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.004330][ T5084] CPU: 1 PID: 5084 Comm: syz.2.71 Not tainted syzkaller #0 [ 82.005584][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 82.007194][ T5084] Call trace: [ 82.007802][ T5084] dump_backtrace+0x0/0x458 [ 82.008588][ T5084] show_stack+0x2c/0x3c [ 82.009264][ T5084] __dump_stack+0x30/0x40 [ 82.009921][ T5084] dump_stack_lvl+0xf4/0x15c [ 82.010616][ T5084] dump_stack+0x1c/0x5c [ 82.011334][ T5084] sysfs_create_dir_ns+0x244/0x264 [ 82.012216][ T5084] kobject_add_internal+0x594/0xc2c [ 82.013183][ T5084] kobject_init_and_add+0x128/0x194 [ 82.014207][ T5084] gfs2_sys_fs_add+0x208/0x428 [ 82.015070][ T5084] gfs2_fill_super+0xe20/0x1a9c [ 82.015903][ T5084] get_tree_bdev+0x35c/0x54c [ 82.016721][ T5084] gfs2_get_tree+0x58/0x1b8 [ 82.017453][ T5084] vfs_get_tree+0x90/0x278 [ 82.018244][ T5084] do_new_mount+0x228/0x804 [ 82.018991][ T5084] path_mount+0x57c/0xfe8 [ 82.019709][ T5084] __arm64_sys_mount+0x488/0x5f8 [ 82.020545][ T5084] invoke_syscall+0x98/0x28c [ 82.021296][ T5084] el0_svc_common+0x13c/0x258 [ 82.022071][ T5084] do_el0_svc+0x5c/0x140 [ 82.022752][ T5084] el0_svc+0x78/0x1d0 [ 82.023068][ T5086] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.023406][ T5084] el0t_64_sync_handler+0xcc/0xe4 [ 82.025565][ T5084] el0t_64_sync+0x1a0/0x1a4 [ 82.026322][ T5086] CPU: 0 PID: 5086 Comm: syz.0.72 Not tainted syzkaller #0 [ 82.027446][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 82.029149][ T5086] Call trace: [ 82.029710][ T5086] dump_backtrace+0x0/0x458 [ 82.030478][ T5086] show_stack+0x2c/0x3c [ 82.031155][ T5086] __dump_stack+0x30/0x40 [ 82.031890][ T5086] dump_stack_lvl+0xf4/0x15c [ 82.032627][ T5086] dump_stack+0x1c/0x5c [ 82.033324][ T5086] sysfs_create_dir_ns+0x244/0x264 [ 82.034134][ T5086] kobject_add_internal+0x594/0xc2c [ 82.035048][ T5086] kobject_init_and_add+0x128/0x194 [ 82.035899][ T5086] gfs2_sys_fs_add+0x208/0x428 [ 82.036698][ T5086] gfs2_fill_super+0xe20/0x1a9c [ 82.037535][ T5086] get_tree_bdev+0x35c/0x54c [ 82.038317][ T5086] gfs2_get_tree+0x58/0x1b8 [ 82.039084][ T5086] vfs_get_tree+0x90/0x278 [ 82.039847][ T5086] do_new_mount+0x228/0x804 [ 82.040685][ T5086] path_mount+0x57c/0xfe8 [ 82.041391][ T5086] __arm64_sys_mount+0x488/0x5f8 [ 82.042263][ T5086] invoke_syscall+0x98/0x28c [ 82.042996][ T5086] el0_svc_common+0x13c/0x258 [ 82.043800][ T5086] do_el0_svc+0x5c/0x140 [ 82.044508][ T5086] el0_svc+0x78/0x1d0 [ 82.045148][ T5086] el0t_64_sync_handler+0xcc/0xe4 [ 82.045992][ T5086] el0t_64_sync+0x1a0/0x1a4 [ 82.069561][ T5084] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.071997][ T5084] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.089276][ T5086] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.091479][ T5086] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.108124][ T5088] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.109476][ T5088] CPU: 1 PID: 5088 Comm: syz.4.73 Not tainted syzkaller #0 [ 82.110681][ T5088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 82.112488][ T5088] Call trace: [ 82.113096][ T5088] dump_backtrace+0x0/0x458 [ 82.113916][ T5088] show_stack+0x2c/0x3c [ 82.114669][ T5088] __dump_stack+0x30/0x40 [ 82.115471][ T5088] dump_stack_lvl+0xf4/0x15c [ 82.116304][ T5088] dump_stack+0x1c/0x5c [ 82.117073][ T5088] sysfs_create_dir_ns+0x244/0x264 [ 82.118017][ T5088] kobject_add_internal+0x594/0xc2c [ 82.119011][ T5088] kobject_init_and_add+0x128/0x194 [ 82.119986][ T5088] gfs2_sys_fs_add+0x208/0x428 [ 82.120881][ T5088] gfs2_fill_super+0xe20/0x1a9c [ 82.121787][ T5088] get_tree_bdev+0x35c/0x54c [ 82.122621][ T5088] gfs2_get_tree+0x58/0x1b8 [ 82.123447][ T5088] vfs_get_tree+0x90/0x278 [ 82.124257][ T5088] do_new_mount+0x228/0x804 [ 82.125090][ T5088] path_mount+0x57c/0xfe8 [ 82.125859][ T5088] __arm64_sys_mount+0x488/0x5f8 [ 82.126733][ T5088] invoke_syscall+0x98/0x28c [ 82.127524][ T5088] el0_svc_common+0x13c/0x258 [ 82.128347][ T5088] do_el0_svc+0x5c/0x140 [ 82.129076][ T5088] el0_svc+0x78/0x1d0 [ 82.129775][ T5088] el0t_64_sync_handler+0xcc/0xe4 [ 82.130602][ T5088] el0t_64_sync+0x1a0/0x1a4 [ 82.167557][ T5088] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.169719][ T5088] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.239239][ T5082] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.242956][ T5082] CPU: 0 PID: 5082 Comm: syz.3.70 Not tainted syzkaller #0 [ 82.244287][ T5082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 82.246343][ T5082] Call trace: [ 82.247013][ T5082] dump_backtrace+0x0/0x458 [ 82.247854][ T5082] show_stack+0x2c/0x3c [ 82.248631][ T5082] __dump_stack+0x30/0x40 [ 82.249434][ T5082] dump_stack_lvl+0xf4/0x15c [ 82.250295][ T5082] dump_stack+0x1c/0x5c [ 82.251033][ T5082] sysfs_create_dir_ns+0x244/0x264 [ 82.252034][ T5082] kobject_add_internal+0x594/0xc2c [ 82.252957][ T5082] kobject_init_and_add+0x128/0x194 [ 82.253949][ T5082] gfs2_sys_fs_add+0x208/0x428 [ 82.254840][ T5082] gfs2_fill_super+0xe20/0x1a9c [ 82.255743][ T5082] get_tree_bdev+0x35c/0x54c [ 82.256602][ T5082] gfs2_get_tree+0x58/0x1b8 [ 82.257422][ T5082] vfs_get_tree+0x90/0x278 [ 82.258245][ T5082] do_new_mount+0x228/0x804 [ 82.259134][ T5082] path_mount+0x57c/0xfe8 [ 82.259911][ T5082] __arm64_sys_mount+0x488/0x5f8 [ 82.260788][ T5082] invoke_syscall+0x98/0x28c [ 82.261621][ T5082] el0_svc_common+0x13c/0x258 [ 82.262481][ T5082] do_el0_svc+0x5c/0x140 [ 82.263239][ T5082] el0_svc+0x78/0x1d0 [ 82.263903][ T5082] el0t_64_sync_handler+0xcc/0xe4 [ 82.264727][ T5082] el0t_64_sync+0x1a0/0x1a4 [ 82.305894][ T5084] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.306782][ T5082] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.307213][ T5084] CPU: 1 PID: 5084 Comm: syz.2.71 Not tainted syzkaller #0 [ 82.310903][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 82.312965][ T5084] Call trace: [ 82.313645][ T5084] dump_backtrace+0x0/0x458 [ 82.314570][ T5084] show_stack+0x2c/0x3c [ 82.315353][ T5084] __dump_stack+0x30/0x40 [ 82.316124][ T5084] dump_stack_lvl+0xf4/0x15c [ 82.316889][ T5084] dump_stack+0x1c/0x5c [ 82.317540][ T5084] sysfs_create_dir_ns+0x244/0x264 [ 82.318349][ T5084] kobject_add_internal+0x594/0xc2c [ 82.319185][ T5084] kobject_init_and_add+0x128/0x194 [ 82.320264][ T5084] gfs2_sys_fs_add+0x208/0x428 [ 82.321189][ T5084] gfs2_fill_super+0xe20/0x1a9c [ 82.321986][ T5084] get_tree_bdev+0x35c/0x54c [ 82.322760][ T5084] gfs2_get_tree+0x58/0x1b8 [ 82.323523][ T5084] vfs_get_tree+0x90/0x278 [ 82.324298][ T5084] do_new_mount+0x228/0x804 [ 82.325067][ T5084] path_mount+0x57c/0xfe8 [ 82.325808][ T5084] __arm64_sys_mount+0x488/0x5f8 [ 82.326725][ T5084] invoke_syscall+0x98/0x28c [ 82.327000][ T5082] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.327505][ T5084] el0_svc_common+0x13c/0x258 [ 82.327525][ T5084] do_el0_svc+0x5c/0x140 [ 82.327536][ T5084] el0_svc+0x78/0x1d0 [ 82.327542][ T5084] el0t_64_sync_handler+0xcc/0xe4 [ 82.327547][ T5084] el0t_64_sync+0x1a0/0x1a4 [ 82.345380][ T5086] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.346713][ T5086] CPU: 0 PID: 5086 Comm: syz.0.72 Not tainted syzkaller #0 [ 82.347945][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 82.349638][ T5086] Call trace: [ 82.350298][ T5086] dump_backtrace+0x0/0x458 [ 82.351233][ T5086] show_stack+0x2c/0x3c [ 82.352001][ T5086] __dump_stack+0x30/0x40 [ 82.352901][ T5086] dump_stack_lvl+0xf4/0x15c [ 82.353826][ T5086] dump_stack+0x1c/0x5c [ 82.354642][ T5086] sysfs_create_dir_ns+0x244/0x264 [ 82.355595][ T5086] kobject_add_internal+0x594/0xc2c [ 82.356887][ T5086] kobject_init_and_add+0x128/0x194 [ 82.357859][ T5086] gfs2_sys_fs_add+0x208/0x428 [ 82.358745][ T5086] gfs2_fill_super+0xe20/0x1a9c [ 82.359779][ T5086] get_tree_bdev+0x35c/0x54c [ 82.360693][ T5086] gfs2_get_tree+0x58/0x1b8 [ 82.361603][ T5086] vfs_get_tree+0x90/0x278 [ 82.362480][ T5086] do_new_mount+0x228/0x804 [ 82.363384][ T5086] path_mount+0x57c/0xfe8 [ 82.364172][ T5086] __arm64_sys_mount+0x488/0x5f8 [ 82.365028][ T5086] invoke_syscall+0x98/0x28c [ 82.365852][ T5086] el0_svc_common+0x13c/0x258 [ 82.366654][ T5086] do_el0_svc+0x5c/0x140 [ 82.367409][ T5086] el0_svc+0x78/0x1d0 [ 82.368102][ T5086] el0t_64_sync_handler+0xcc/0xe4 [ 82.368993][ T5086] el0t_64_sync+0x1a0/0x1a4 [ 82.378896][ T5084] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.387578][ T5084] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.403322][ T5086] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.405597][ T5086] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.469455][ T5088] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.470859][ T5088] CPU: 1 PID: 5088 Comm: syz.4.73 Not tainted syzkaller #0 [ 82.472010][ T5088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 82.473593][ T5088] Call trace: [ 82.474120][ T5088] dump_backtrace+0x0/0x458 [ 82.474846][ T5088] show_stack+0x2c/0x3c [ 82.475519][ T5088] __dump_stack+0x30/0x40 [ 82.476198][ T5088] dump_stack_lvl+0xf4/0x15c [ 82.476932][ T5088] dump_stack+0x1c/0x5c [ 82.477631][ T5088] sysfs_create_dir_ns+0x244/0x264 [ 82.478573][ T5088] kobject_add_internal+0x594/0xc2c [ 82.479470][ T5088] kobject_init_and_add+0x128/0x194 [ 82.480530][ T5088] gfs2_sys_fs_add+0x208/0x428 [ 82.481434][ T5088] gfs2_fill_super+0xe20/0x1a9c [ 82.482390][ T5088] get_tree_bdev+0x35c/0x54c [ 82.483270][ T5088] gfs2_get_tree+0x58/0x1b8 [ 82.484130][ T5088] vfs_get_tree+0x90/0x278 [ 82.484950][ T5088] do_new_mount+0x228/0x804 [ 82.485710][ T5088] path_mount+0x57c/0xfe8 [ 82.486441][ T5088] __arm64_sys_mount+0x488/0x5f8 [ 82.487303][ T5088] invoke_syscall+0x98/0x28c [ 82.488098][ T5088] el0_svc_common+0x13c/0x258 [ 82.488921][ T5088] do_el0_svc+0x5c/0x140 [ 82.489671][ T5088] el0_svc+0x78/0x1d0 [ 82.490360][ T5088] el0t_64_sync_handler+0xcc/0xe4 [ 82.491219][ T5088] el0t_64_sync+0x1a0/0x1a4 [ 82.527543][ T5088] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.529891][ T5088] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.619794][ T5090] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.621212][ T5090] CPU: 1 PID: 5090 Comm: syz.3.74 Not tainted syzkaller #0 [ 82.622515][ T5090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 82.624313][ T5090] Call trace: [ 82.624881][ T5090] dump_backtrace+0x0/0x458 [ 82.625711][ T5090] show_stack+0x2c/0x3c [ 82.626426][ T5090] __dump_stack+0x30/0x40 [ 82.627186][ T5090] dump_stack_lvl+0xf4/0x15c [ 82.627900][ T5090] dump_stack+0x1c/0x5c [ 82.628622][ T5090] sysfs_create_dir_ns+0x244/0x264 [ 82.629507][ T5090] kobject_add_internal+0x594/0xc2c [ 82.630588][ T5090] kobject_init_and_add+0x128/0x194 [ 82.631697][ T5090] gfs2_sys_fs_add+0x208/0x428 [ 82.632564][ T5090] gfs2_fill_super+0xe20/0x1a9c [ 82.633356][ T5090] get_tree_bdev+0x35c/0x54c [ 82.634139][ T5090] gfs2_get_tree+0x58/0x1b8 [ 82.634901][ T5090] vfs_get_tree+0x90/0x278 [ 82.635677][ T5090] do_new_mount+0x228/0x804 [ 82.636416][ T5090] path_mount+0x57c/0xfe8 [ 82.637176][ T5090] __arm64_sys_mount+0x488/0x5f8 [ 82.638026][ T5090] invoke_syscall+0x98/0x28c [ 82.638850][ T5090] el0_svc_common+0x13c/0x258 [ 82.639630][ T5090] do_el0_svc+0x5c/0x140 [ 82.640522][ T5090] el0_svc+0x78/0x1d0 [ 82.641307][ T5090] el0t_64_sync_handler+0xcc/0xe4 [ 82.642313][ T5090] el0t_64_sync+0x1a0/0x1a4 [ 82.665493][ T5092] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.666820][ T5092] CPU: 0 PID: 5092 Comm: syz.2.75 Not tainted syzkaller #0 [ 82.668066][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 82.669869][ T5090] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.669905][ T5092] Call trace: [ 82.672056][ T5090] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.672596][ T5092] dump_backtrace+0x0/0x458 [ 82.674380][ T5092] show_stack+0x2c/0x3c [ 82.675060][ T5092] __dump_stack+0x30/0x40 [ 82.675759][ T5092] dump_stack_lvl+0xf4/0x15c [ 82.676643][ T5092] dump_stack+0x1c/0x5c [ 82.677449][ T5092] sysfs_create_dir_ns+0x244/0x264 [ 82.678679][ T5092] kobject_add_internal+0x594/0xc2c [ 82.679602][ T5092] kobject_init_and_add+0x128/0x194 [ 82.680513][ T5092] gfs2_sys_fs_add+0x208/0x428 [ 82.681301][ T5092] gfs2_fill_super+0xe20/0x1a9c [ 82.682096][ T5092] get_tree_bdev+0x35c/0x54c [ 82.683021][ T5092] gfs2_get_tree+0x58/0x1b8 [ 82.683869][ T5092] vfs_get_tree+0x90/0x278 [ 82.684721][ T5092] do_new_mount+0x228/0x804 [ 82.685616][ T5092] path_mount+0x57c/0xfe8 [ 82.686437][ T5092] __arm64_sys_mount+0x488/0x5f8 [ 82.687372][ T5092] invoke_syscall+0x98/0x28c [ 82.688247][ T5092] el0_svc_common+0x13c/0x258 [ 82.689211][ T5092] do_el0_svc+0x5c/0x140 [ 82.689952][ T5092] el0_svc+0x78/0x1d0 [ 82.690606][ T5092] el0t_64_sync_handler+0xcc/0xe4 [ 82.691627][ T5092] el0t_64_sync+0x1a0/0x1a4 [ 82.728207][ T5094] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.729349][ T5094] CPU: 1 PID: 5094 Comm: syz.0.76 Not tainted syzkaller #0 [ 82.729460][ T5092] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.730517][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 82.732881][ T5092] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.734506][ T5094] Call trace: