[ 40.971943][ T1604] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.020330][ T1604] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.081319][ T1604] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.120302][ T1604] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.289050][ T1604] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.339880][ T1604] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.391744][ T1604] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.429534][ T1604] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 Warning: Permanently added '10.128.1.27' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 parsed 1 programs [ 45.012999][ T1604] device hsr_slave_0 left promiscuous mode [ 45.056677][ T1604] device hsr_slave_1 left promiscuous mode [ 45.146576][ T1604] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.147903][ T1604] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.149903][ T1604] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.151165][ T1604] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.152559][ T1604] device bridge_slave_1 left promiscuous mode [ 45.153847][ T1604] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.187646][ T1604] device bridge_slave_0 left promiscuous mode [ 45.188773][ T1604] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.230458][ T1604] device hsr_slave_0 left promiscuous mode [ 45.286577][ T1604] device hsr_slave_1 left promiscuous mode [ 45.376409][ T1604] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.377684][ T1604] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.379186][ T1604] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.380438][ T1604] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.381928][ T1604] device bridge_slave_1 left promiscuous mode [ 45.383007][ T1604] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.448281][ T1604] device bridge_slave_0 left promiscuous mode [ 45.449321][ T1604] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.606594][ T1604] device veth1_macvtap left promiscuous mode [ 45.607672][ T1604] device veth0_macvtap left promiscuous mode [ 45.608703][ T1604] device veth1_vlan left promiscuous mode [ 45.609726][ T1604] device veth0_vlan left promiscuous mode [ 45.687075][ T1604] device veth1_macvtap left promiscuous mode [ 45.688119][ T1604] device veth0_macvtap left promiscuous mode [ 45.689317][ T1604] device veth1_vlan left promiscuous mode [ 45.690337][ T1604] device veth0_vlan left promiscuous mode [ 45.822961][ T1604] team0 (unregistering): Port device team_slave_1 removed [ 45.828437][ T1604] team0 (unregistering): Port device team_slave_0 removed [ 45.832531][ T1604] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 45.859848][ T1604] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 45.960186][ T1604] bond0 (unregistering): Released all slaves [ 46.095261][ T1604] team0 (unregistering): Port device team_slave_1 removed [ 46.099700][ T1604] team0 (unregistering): Port device team_slave_0 removed [ 46.103462][ T1604] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 46.120739][ T1604] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 46.220120][ T1604] bond0 (unregistering): Released all slaves [ 46.396551][ T4463] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 48.026571][ T4193] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.027781][ T4193] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.030059][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 48.041019][ T4488] chnl_net:caif_netlink_parms(): no params data found [ 48.132026][ T4193] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.133399][ T4193] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.135516][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 48.276526][ T4488] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.277815][ T4488] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.279492][ T4488] device bridge_slave_0 entered promiscuous mode [ 48.367800][ T4488] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.369169][ T4488] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.370822][ T4488] device bridge_slave_1 entered promiscuous mode [ 48.457535][ T4488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.477404][ T4488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.541482][ T4488] team0: Port device team_slave_0 added [ 48.543442][ T4488] team0: Port device team_slave_1 added [ 48.569826][ T4488] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.570916][ T4488] 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. [ 48.574924][ T4488] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.583080][ T4488] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.584251][ T4488] 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. [ 48.593840][ T4488] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.637429][ T4488] device hsr_slave_0 entered promiscuous mode [ 48.687237][ T4488] device hsr_slave_1 entered promiscuous mode [ 48.783243][ T4488] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 48.827577][ T4488] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 48.867562][ T4488] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 48.908212][ T4488] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 48.952494][ T4488] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.953684][ T4488] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.954943][ T4488] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.956110][ T4488] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.967139][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.968729][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.979285][ T4488] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.982973][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.984584][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.987544][ T4488] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.989855][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.991567][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.993079][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.994309][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.001970][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.003696][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.005313][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.006545][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.008571][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.010375][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.012982][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.014796][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.016340][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.020989][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.022713][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.025619][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.027917][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.030771][ T4488] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.032966][ T4488] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.034698][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.036765][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.084624][ T4488] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.086645][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.087978][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.135187][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 49.137141][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.142216][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 49.143846][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.145517][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.147259][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.149601][ T4488] device veth0_vlan entered promiscuous mode [ 49.152932][ T4488] device veth1_vlan entered promiscuous mode [ 49.160531][ T4488] device veth0_macvtap entered promiscuous mode [ 49.163088][ T4488] device veth1_macvtap entered promiscuous mode [ 49.171298][ T4488] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.173668][ T4488] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.179992][ T4488] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.181420][ T4488] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.182754][ T4488] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.184160][ T4488] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.186149][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.188586][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.190082][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.191557][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.193118][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.194687][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.196262][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.200755][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.202383][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.205080][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready 1970/01/01 00:00:49 executed programs: 0 [ 49.475616][ T4576] chnl_net:caif_netlink_parms(): no params data found [ 49.490880][ T4569] chnl_net:caif_netlink_parms(): no params data found [ 49.499594][ T4570] chnl_net:caif_netlink_parms(): no params data found [ 49.527792][ T4576] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.529019][ T4576] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.530603][ T4576] device bridge_slave_0 entered promiscuous mode [ 49.533745][ T4576] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.534954][ T4576] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.537388][ T4576] device bridge_slave_1 entered promiscuous mode [ 49.555139][ T4576] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.573470][ T4576] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.575164][ T4569] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.576561][ T4569] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.578224][ T4569] device bridge_slave_0 entered promiscuous mode [ 49.584782][ T4570] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.585884][ T4570] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.588004][ T4570] device bridge_slave_0 entered promiscuous mode [ 49.592192][ T4569] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.593472][ T4569] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.595081][ T4569] device bridge_slave_1 entered promiscuous mode [ 49.597793][ T4575] chnl_net:caif_netlink_parms(): no params data found [ 49.602338][ T4570] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.603490][ T4570] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.605072][ T4570] device bridge_slave_1 entered promiscuous mode [ 49.616992][ T4576] team0: Port device team_slave_0 added [ 49.619170][ T4584] chnl_net:caif_netlink_parms(): no params data found [ 49.629026][ T4569] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.632741][ T4569] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.634832][ T4576] team0: Port device team_slave_1 added [ 49.660526][ T4570] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.663224][ T4569] team0: Port device team_slave_0 added [ 49.666275][ T4569] team0: Port device team_slave_1 added [ 49.668361][ T4576] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.669517][ T4576] 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. [ 49.673480][ T4576] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.679410][ T4570] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.689553][ T4576] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.690780][ T4576] 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. [ 49.694783][ T4576] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.717698][ T4569] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.718942][ T4569] 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. [ 49.723306][ T4569] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.728501][ T4575] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.729719][ T4575] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.731292][ T4575] device bridge_slave_0 entered promiscuous mode [ 49.744857][ T4570] team0: Port device team_slave_0 added [ 49.746075][ T4584] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.747640][ T4584] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.749172][ T4584] device bridge_slave_0 entered promiscuous mode [ 49.751115][ T4584] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.752221][ T4584] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.754327][ T4584] device bridge_slave_1 entered promiscuous mode [ 49.756110][ T4569] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.757794][ T4569] 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. [ 49.761596][ T4569] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.787476][ T4576] device hsr_slave_0 entered promiscuous mode [ 49.826589][ T4576] device hsr_slave_1 entered promiscuous mode [ 49.866452][ T4576] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 49.867749][ T4576] Cannot create hsr debugfs directory [ 49.870099][ T4575] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.871407][ T4575] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.873117][ T4575] device bridge_slave_1 entered promiscuous mode [ 49.875061][ T4570] team0: Port device team_slave_1 added [ 49.885083][ T4584] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.887825][ T4584] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.906576][ T4575] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.915690][ T4570] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.917143][ T4570] 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. [ 49.921652][ T4570] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.924614][ T4575] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.927518][ T4584] team0: Port device team_slave_0 added [ 49.997588][ T4569] device hsr_slave_0 entered promiscuous mode [ 50.047214][ T4569] device hsr_slave_1 entered promiscuous mode [ 50.086622][ T4569] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.088034][ T4569] Cannot create hsr debugfs directory [ 50.093565][ T4570] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.094685][ T4570] 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. [ 50.099036][ T4570] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.107356][ T4584] team0: Port device team_slave_1 added [ 50.135531][ T4575] team0: Port device team_slave_0 added [ 50.142751][ T4584] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.143976][ T4584] 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. [ 50.148849][ T4584] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.187566][ T4570] device hsr_slave_0 entered promiscuous mode [ 50.236635][ T4570] device hsr_slave_1 entered promiscuous mode [ 50.276431][ T4570] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.277855][ T4570] Cannot create hsr debugfs directory [ 50.284002][ T4575] team0: Port device team_slave_1 added [ 50.290325][ T4584] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.291480][ T4584] 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. [ 50.295522][ T4584] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.324827][ T4575] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.326072][ T4575] 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. [ 50.330949][ T4575] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.341893][ T4575] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.342994][ T4575] 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. [ 50.347518][ T4575] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.417909][ T4584] device hsr_slave_0 entered promiscuous mode [ 50.456584][ T4584] device hsr_slave_1 entered promiscuous mode [ 50.496456][ T4584] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.497786][ T4584] Cannot create hsr debugfs directory [ 50.577483][ T4575] device hsr_slave_0 entered promiscuous mode [ 50.627168][ T4575] device hsr_slave_1 entered promiscuous mode [ 50.666459][ T4575] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.667801][ T4575] Cannot create hsr debugfs directory [ 50.725185][ T4576] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 50.749058][ T4576] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 50.792460][ T4576] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 50.837709][ T4576] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 50.926132][ T4576] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.933509][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.935128][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.942305][ T4576] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.945032][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.946613][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.948201][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.949378][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.951644][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.955225][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.957298][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.958816][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.960028][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.986720][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.990441][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.993305][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.995382][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.997577][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.003198][ T4576] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 51.004994][ T4576] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.023600][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.025455][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.027900][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.029519][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.031199][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.032746][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.034172][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.072618][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.073922][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.112750][ T4576] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.135390][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.137307][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.144609][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.146233][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.151689][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.153246][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.155991][ T4576] device veth0_vlan entered promiscuous mode [ 51.160252][ T4576] device veth1_vlan entered promiscuous mode [ 51.171588][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.173130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.174636][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.178336][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.181148][ T4576] device veth0_macvtap entered promiscuous mode [ 51.183792][ T4576] device veth1_macvtap entered promiscuous mode [ 51.195920][ T4576] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 51.198046][ T4576] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 51.200252][ T4576] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.201584][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.203128][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.204739][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.210748][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.214232][ T4576] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 51.215953][ T4576] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 51.218951][ T4576] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.220252][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.221781][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.224593][ T4576] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.226043][ T4576] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.231441][ T4576] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.232838][ T4576] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.277172][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.278457][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.279755][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.294899][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.296309][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.298930][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.366740][ T4149] Bluetooth: hci3: command 0x0409 tx timeout [ 51.370940][ T4170] Bluetooth: hci2: command 0x0409 tx timeout [ 51.376509][ T4170] Bluetooth: hci1: command 0x0409 tx timeout [ 51.377559][ T4170] Bluetooth: hci0: command 0x0409 tx timeout [ 51.446597][ T4150] Bluetooth: hci4: command 0x0409 tx timeout [ 51.490776][ T4691] loop2: detected capacity change from 0 to 32768 [ 51.524887][ T4691] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 51.526313][ T4691] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.550429][ T4691] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 51.603620][ T4691] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 51.815636][ T4584] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.958870][ T4731] loop2: detected capacity change from 0 to 32768 [ 52.021458][ T4731] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 52.022909][ T4731] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 52.034721][ T4731] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 52.070624][ T4731] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 52.590738][ T4785] loop2: detected capacity change from 0 to 32768 [ 52.599990][ T4785] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 52.602174][ T4785] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 52.613815][ T4785] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 52.632487][ T4785] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 53.044170][ T4835] loop2: detected capacity change from 0 to 32768 [ 53.094253][ T4835] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 53.095536][ T4835] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 53.112420][ T4835] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 53.163346][ T4835] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 53.446534][ T4148] Bluetooth: hci0: command 0x041b tx timeout [ 53.447942][ T4148] Bluetooth: hci1: command 0x041b tx timeout [ 53.448975][ T4148] Bluetooth: hci2: command 0x041b tx timeout [ 53.450123][ T4148] Bluetooth: hci3: command 0x041b tx timeout [ 53.526511][ T4148] Bluetooth: hci4: command 0x041b tx timeout [ 53.565131][ T4894] loop2: detected capacity change from 0 to 32768 [ 53.575982][ T4894] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 53.577904][ T4894] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 53.590387][ T4894] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 53.624754][ T4894] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 54.146973][ T4919] loop2: detected capacity change from 0 to 32768 [ 54.213051][ T4919] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 54.214472][ T4919] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 54.242222][ T4919] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 54.290761][ T4919] gfs2: fsid=syz:syz.s: first mount done, others may mount 1970/01/01 00:00:54 executed programs: 16 [ 54.723110][ T4977] loop2: detected capacity change from 0 to 32768 [ 54.749395][ T4977] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 54.754312][ T4977] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 54.775462][ T4977] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 54.814599][ T4977] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 55.020689][ T4584] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.049795][ T4584] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.095866][ T4584] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.225798][ T4584] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 55.277952][ T4584] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 55.283840][ T5032] loop2: detected capacity change from 0 to 32768 [ 55.291969][ T5032] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 55.293346][ T5032] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 55.317682][ T4584] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 55.319809][ T5032] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 55.358801][ T5032] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 55.371295][ T4584] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 55.397806][ T4575] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 55.438101][ T4575] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 55.526644][ T4150] Bluetooth: hci3: command 0x040f tx timeout [ 55.527822][ T4150] Bluetooth: hci2: command 0x040f tx timeout [ 55.528916][ T4150] Bluetooth: hci1: command 0x040f tx timeout [ 55.530196][ T4150] Bluetooth: hci0: command 0x040f tx timeout [ 55.533911][ T4575] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 55.566163][ T4575] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 55.606577][ T4147] Bluetooth: hci4: command 0x040f tx timeout [ 55.619628][ T4570] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.677666][ T4570] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.711495][ T4569] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.741892][ T5070] loop2: detected capacity change from 0 to 32768 [ 55.749409][ T4570] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 55.751691][ T5070] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 55.753127][ T5070] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 55.770796][ T4570] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.798909][ T5070] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 55.822635][ T5070] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 55.862462][ T4569] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.887401][ T4569] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.934052][ T4584] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.940570][ T4569] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.002298][ T4584] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.009416][ T4575] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.010865][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.012454][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.013972][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.015719][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.017813][ T4193] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.019016][ T4193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.030988][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.032690][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.034337][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.035789][ T4193] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.037052][ T4193] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.039117][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.063916][ T4569] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.089611][ T4575] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.094666][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.096311][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.098348][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.100010][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.101858][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.103418][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.105040][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.114567][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.116258][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.118301][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.119933][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.121431][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.123024][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.124624][ T4193] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.125749][ T4193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.131387][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.133446][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.134902][ T4193] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.136161][ T4193] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.138456][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.139936][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.147693][ T4584] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.152792][ T4569] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.156073][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.157629][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.163679][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.165384][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.171651][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.172720][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.192779][ T4570] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.195476][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.197017][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.198661][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.200845][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.202697][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.204303][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.206004][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.209250][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.210900][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.212437][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.214032][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.215509][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.221068][ T4570] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.229021][ T4575] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.231153][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.232758][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.234338][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.235812][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.237825][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.239029][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.240565][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.242198][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.243757][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.245020][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.254245][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.256016][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.258929][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.260570][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.261700][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.280396][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.281861][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.283529][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.285114][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.287402][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.289190][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.291322][ T5092] loop2: detected capacity change from 0 to 32768 [ 56.293075][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.297277][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.302785][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.310112][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.311959][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.313568][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.315039][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.315605][ T5092] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 56.319445][ T5092] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 56.323276][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.325023][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.332189][ T5092] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 56.334922][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.341146][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.342954][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.365592][ T4569] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.367481][ T5092] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 56.370047][ T4569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.374445][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.375957][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.377866][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.388841][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.390546][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.392163][ T4778] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.394981][ T4570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.412170][ T4584] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.479792][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.481284][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.484629][ T4575] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.530867][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.532465][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.541734][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.543205][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.552467][ T4569] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.553869][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.555476][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.557800][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.559422][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.568574][ T4575] device veth0_vlan entered promiscuous mode [ 56.572877][ T4575] device veth1_vlan entered promiscuous mode [ 56.578157][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.579737][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.581299][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.582920][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.594944][ T4570] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.599650][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.601049][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.650285][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.651993][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.653605][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.655186][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.666378][ T4575] device veth0_macvtap entered promiscuous mode [ 56.668243][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.669735][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.671286][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.672963][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.674379][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.676737][ T4584] device veth0_vlan entered promiscuous mode [ 56.683423][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.684963][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.699417][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.700940][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.702802][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.704295][ T4193] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.708125][ T4575] device veth1_macvtap entered promiscuous mode [ 56.717782][ T4569] device veth0_vlan entered promiscuous mode [ 56.722130][ T4569] device veth1_vlan entered promiscuous mode [ 56.731774][ T4584] device veth1_vlan entered promiscuous mode [ 56.750139][ T4575] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 56.751807][ T4575] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.754078][ T4575] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 56.756030][ T4575] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.760356][ T4575] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.766279][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 56.767969][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.769451][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.771037][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.772730][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.774268][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.775808][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.778961][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.780449][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.783217][ T4569] device veth0_macvtap entered promiscuous mode [ 56.796078][ T4570] device veth0_vlan entered promiscuous mode [ 56.808772][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.810340][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.811792][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.813497][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.815287][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.820316][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.821714][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.824540][ T4584] device veth0_macvtap entered promiscuous mode [ 56.828628][ T4569] device veth1_macvtap entered promiscuous mode [ 56.830567][ T4575] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 56.832076][ T4575] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.833638][ T5117] loop2: detected capacity change from 0 to 32768 [ 56.833912][ T4575] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 56.836212][ T4575] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.842835][ T4575] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.846245][ T5117] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 56.848596][ T5117] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 56.850432][ T4575] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.851841][ T4575] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.853237][ T4575] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.854661][ T4575] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.860416][ T4569] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 56.862780][ T4569] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.864646][ T4569] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 56.867355][ T4569] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.869091][ T4569] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 56.871052][ T4569] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.875863][ T4569] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.879754][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 56.881308][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.882813][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.884428][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.886342][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.892395][ T5117] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 56.892460][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.902755][ T4584] device veth1_macvtap entered promiscuous mode [ 56.912094][ T4570] device veth1_vlan entered promiscuous mode [ 56.921883][ T4569] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 56.923464][ T4569] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.924915][ T4569] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 56.929916][ T4569] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.931648][ T4569] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 56.932398][ T5117] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 56.933385][ T4569] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.942843][ T4569] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.952774][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.954458][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.956051][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 56.960568][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.963888][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.979337][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.980964][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.983395][ T4570] device veth0_macvtap entered promiscuous mode [ 56.992005][ T4584] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 56.993729][ T4584] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 56.995300][ T4584] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 57.001159][ T4584] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.002783][ T4584] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 57.004466][ T4584] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.006048][ T4584] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 57.008421][ T4584] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.010621][ T4584] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.011856][ T346] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.013288][ T346] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.013685][ T4569] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.018290][ T4569] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.019618][ T4569] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.020860][ T4569] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.023991][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.025457][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.027357][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.028895][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.041763][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.043188][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.044993][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.050019][ T4570] device veth1_macvtap entered promiscuous mode [ 57.056151][ T4570] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 57.062947][ T4570] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.064685][ T4570] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 57.066920][ T4570] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.068390][ T4570] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 57.069994][ T4570] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.071587][ T4570] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 57.073137][ T4570] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.074588][ T4570] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 57.076195][ T4570] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.082487][ T4570] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.094279][ T4584] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 57.096079][ T4584] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.101926][ T4584] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 57.103679][ T4584] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.105332][ T4584] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 57.107592][ T4584] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.109266][ T4584] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 57.116609][ T4584] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.128662][ T4584] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.131363][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.133036][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.134648][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.136298][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.149977][ T4570] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 57.157530][ T4570] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.159081][ T4570] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 57.160662][ T4570] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.162424][ T4570] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 57.164188][ T4570] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.165708][ T4570] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 57.168466][ T4570] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.170086][ T4570] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 57.171712][ T4570] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.173923][ T4570] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.175170][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.181882][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.187907][ T4584] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.189462][ T4584] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.190788][ T4584] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.192107][ T4584] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.214947][ T4570] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.220009][ T4570] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.221311][ T4570] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.222570][ T4570] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.230372][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.231577][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.233546][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.309107][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.310412][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.311959][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.364334][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.365672][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.375766][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.388236][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.389508][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.390882][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.423907][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.425329][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.426739][ T4193] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.428067][ T4193] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.429374][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.432291][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.523399][ T5119] loop3: detected capacity change from 0 to 32768 [ 57.539084][ T5119] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 57.540434][ T5119] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 57.585686][ T5119] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 57.606807][ T4161] Bluetooth: hci0: command 0x0419 tx timeout [ 57.607886][ T4161] Bluetooth: hci1: command 0x0419 tx timeout [ 57.608933][ T4161] Bluetooth: hci2: command 0x0419 tx timeout [ 57.609974][ T4161] Bluetooth: hci3: command 0x0419 tx timeout [ 57.649449][ T5119] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 57.665590][ T5121] loop2: detected capacity change from 0 to 32768 [ 57.681306][ T5121] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 57.682622][ T5121] CPU: 0 PID: 5121 Comm: syz.2.30 Not tainted syzkaller #0 [ 57.683737][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.685261][ T5121] Call trace: [ 57.685753][ T5121] dump_backtrace+0x0/0x458 [ 57.686557][ T5121] show_stack+0x2c/0x3c [ 57.687270][ T5121] __dump_stack+0x30/0x40 [ 57.688036][ T5121] dump_stack_lvl+0xf4/0x15c [ 57.688834][ T5121] dump_stack+0x1c/0x5c [ 57.689550][ T5121] sysfs_create_dir_ns+0x244/0x264 [ 57.690394][ T5121] kobject_add_internal+0x594/0xc2c [ 57.691294][ T5121] kobject_init_and_add+0x128/0x194 [ 57.692103][ T5121] gfs2_sys_fs_add+0x208/0x428 [ 57.692877][ T5121] gfs2_fill_super+0xe20/0x1a9c [ 57.693698][ T5121] get_tree_bdev+0x35c/0x54c [ 57.694499][ T5121] gfs2_get_tree+0x58/0x1b8 [ 57.695227][ T5121] vfs_get_tree+0x90/0x278 [ 57.696122][ T5121] do_new_mount+0x228/0x804 [ 57.697003][ T5121] path_mount+0x57c/0xfe8 [ 57.697828][ T5121] __arm64_sys_mount+0x488/0x5f8 [ 57.698716][ T5121] invoke_syscall+0x98/0x28c [ 57.699472][ T5121] el0_svc_common+0x13c/0x258 [ 57.700419][ T5121] do_el0_svc+0x5c/0x140 [ 57.701266][ T5121] el0_svc+0x78/0x1d0 [ 57.701968][ T5121] el0t_64_sync_handler+0xcc/0xe4 [ 57.702914][ T5121] el0t_64_sync+0x1a0/0x1a4 [ 57.706762][ T4161] Bluetooth: hci4: command 0x0419 tx timeout [ 57.751697][ T5121] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 57.753826][ T5121] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 57.804239][ T5123] loop0: detected capacity change from 0 to 32768 [ 57.828428][ T5123] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 57.829783][ T5123] CPU: 1 PID: 5123 Comm: syz.0.15 Not tainted syzkaller #0 [ 57.831018][ T5123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.832521][ T5123] Call trace: [ 57.833024][ T5123] dump_backtrace+0x0/0x458 [ 57.833725][ T5123] show_stack+0x2c/0x3c [ 57.834404][ T5123] __dump_stack+0x30/0x40 [ 57.835136][ T5123] dump_stack_lvl+0xf4/0x15c [ 57.835920][ T5123] dump_stack+0x1c/0x5c [ 57.836602][ T5123] sysfs_create_dir_ns+0x244/0x264 [ 57.837452][ T5123] kobject_add_internal+0x594/0xc2c [ 57.838323][ T5123] kobject_init_and_add+0x128/0x194 [ 57.839187][ T5123] gfs2_sys_fs_add+0x208/0x428 [ 57.839963][ T5123] gfs2_fill_super+0xe20/0x1a9c [ 57.840583][ T5127] loop1: detected capacity change from 0 to 32768 [ 57.840704][ T5123] get_tree_bdev+0x35c/0x54c [ 57.842577][ T5123] gfs2_get_tree+0x58/0x1b8 [ 57.843326][ T5123] vfs_get_tree+0x90/0x278 [ 57.844053][ T5123] do_new_mount+0x228/0x804 [ 57.844780][ T5123] path_mount+0x57c/0xfe8 [ 57.845466][ T5123] __arm64_sys_mount+0x488/0x5f8 [ 57.846247][ T5123] invoke_syscall+0x98/0x28c [ 57.846972][ T5123] el0_svc_common+0x13c/0x258 [ 57.847776][ T5123] do_el0_svc+0x5c/0x140 [ 57.848499][ T5123] el0_svc+0x78/0x1d0 [ 57.849187][ T5123] el0t_64_sync_handler+0xcc/0xe4 [ 57.850085][ T5123] el0t_64_sync+0x1a0/0x1a4 [ 57.853108][ T1604] device hsr_slave_0 left promiscuous mode [ 57.876488][ T5123] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 57.878818][ T5123] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 57.897543][ T1604] device hsr_slave_1 left promiscuous mode [ 57.914484][ T5125] loop4: detected capacity change from 0 to 32768 [ 57.933257][ T5127] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 57.934511][ T5127] CPU: 0 PID: 5127 Comm: syz.1.16 Not tainted syzkaller #0 [ 57.935753][ T5127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.937476][ T5127] Call trace: [ 57.938038][ T5127] dump_backtrace+0x0/0x458 [ 57.938801][ T5127] show_stack+0x2c/0x3c [ 57.939523][ T5127] __dump_stack+0x30/0x40 [ 57.940296][ T5127] dump_stack_lvl+0xf4/0x15c [ 57.941117][ T5127] dump_stack+0x1c/0x5c [ 57.941834][ T5127] sysfs_create_dir_ns+0x244/0x264 [ 57.942698][ T5127] kobject_add_internal+0x594/0xc2c [ 57.943607][ T5127] kobject_init_and_add+0x128/0x194 [ 57.944483][ T5127] gfs2_sys_fs_add+0x208/0x428 [ 57.945435][ T5127] gfs2_fill_super+0xe20/0x1a9c [ 57.946409][ T5127] get_tree_bdev+0x35c/0x54c [ 57.947314][ T5127] gfs2_get_tree+0x58/0x1b8 [ 57.948132][ T5127] vfs_get_tree+0x90/0x278 [ 57.948871][ T5127] do_new_mount+0x228/0x804 [ 57.949635][ T5127] path_mount+0x57c/0xfe8 [ 57.950394][ T5127] __arm64_sys_mount+0x488/0x5f8 [ 57.951251][ T5127] invoke_syscall+0x98/0x28c [ 57.951982][ T5127] el0_svc_common+0x13c/0x258 [ 57.952750][ T5127] do_el0_svc+0x5c/0x140 [ 57.953491][ T5127] el0_svc+0x78/0x1d0 [ 57.954179][ T5127] el0t_64_sync_handler+0xcc/0xe4 [ 57.955045][ T5127] el0t_64_sync+0x1a0/0x1a4 [ 57.965007][ T5125] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 57.966248][ T5125] CPU: 1 PID: 5125 Comm: syz.4.19 Not tainted syzkaller #0 [ 57.967713][ T5125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 57.969692][ T5125] Call trace: [ 57.970325][ T5125] dump_backtrace+0x0/0x458 [ 57.971213][ T5125] show_stack+0x2c/0x3c [ 57.971927][ T5125] __dump_stack+0x30/0x40 [ 57.972624][ T5125] dump_stack_lvl+0xf4/0x15c [ 57.973376][ T5125] dump_stack+0x1c/0x5c [ 57.974127][ T5125] sysfs_create_dir_ns+0x244/0x264 [ 57.974983][ T5125] kobject_add_internal+0x594/0xc2c [ 57.975837][ T5125] kobject_init_and_add+0x128/0x194 [ 57.976692][ T5125] gfs2_sys_fs_add+0x208/0x428 [ 57.977483][ T5125] gfs2_fill_super+0xe20/0x1a9c [ 57.978312][ T5125] get_tree_bdev+0x35c/0x54c [ 57.979091][ T5125] gfs2_get_tree+0x58/0x1b8 [ 57.979885][ T5125] vfs_get_tree+0x90/0x278 [ 57.980604][ T5125] do_new_mount+0x228/0x804 [ 57.981357][ T5125] path_mount+0x57c/0xfe8 [ 57.982107][ T5125] __arm64_sys_mount+0x488/0x5f8 [ 57.982961][ T5125] invoke_syscall+0x98/0x28c [ 57.983768][ T5125] el0_svc_common+0x13c/0x258 [ 57.984618][ T5125] do_el0_svc+0x5c/0x140 [ 57.985357][ T5125] el0_svc+0x78/0x1d0 [ 57.986077][ T5125] el0t_64_sync_handler+0xcc/0xe4 [ 57.986448][ T5127] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 57.986948][ T5125] el0t_64_sync+0x1a0/0x1a4 [ 57.989139][ T5127] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.006704][ T5125] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.008956][ T5125] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.016522][ T1604] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 58.017963][ T1604] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 58.037128][ T1604] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 58.038347][ T1604] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 58.051053][ T1604] device bridge_slave_1 left promiscuous mode [ 58.052218][ T1604] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.107311][ T1604] device bridge_slave_0 left promiscuous mode [ 58.108500][ T1604] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.249203][ T1604] device veth1_macvtap left promiscuous mode [ 58.250373][ T1604] device veth0_macvtap left promiscuous mode [ 58.251374][ T1604] device veth1_vlan left promiscuous mode [ 58.252331][ T1604] device veth0_vlan left promiscuous mode [ 58.265642][ T5123] loop0: detected capacity change from 0 to 32768 [ 58.317734][ T5123] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 58.319211][ T5123] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 58.321744][ T5123] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 58.325648][ T4150] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 58.327001][ T4150] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 58.366113][ T4150] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 39ms [ 58.376788][ T4150] gfs2: fsid=syz:syz.0: jid=0: Done [ 58.377928][ T5123] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 58.408545][ T5121] loop2: detected capacity change from 0 to 32768 [ 58.419405][ T5123] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 58.422991][ T234] [ 58.423398][ T234] ====================================================== [ 58.424569][ T234] WARNING: possible circular locking dependency detected [ 58.425674][ T234] syzkaller #0 Not tainted [ 58.426338][ T234] ------------------------------------------------------ [ 58.427569][ T234] kworker/1:1H/234 is trying to acquire lock: [ 58.428587][ T234] ffff0000cf3a40e0 (&type->s_umount_key#50){+.+.}-{3:3}, at: freeze_super+0x54/0x36c [ 58.430218][ T234] [ 58.430218][ T234] but task is already holding lock: [ 58.431484][ T234] ffff80001e9a7c40 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 58.433510][ T234] [ 58.433510][ T234] which lock already depends on the new lock. [ 58.433510][ T234] [ 58.435282][ T234] [ 58.435282][ T234] the existing dependency chain (in reverse order) is: [ 58.436831][ T234] [ 58.436831][ T234] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 58.438504][ T234] process_one_work+0x6e8/0x1178 [ 58.439455][ T234] worker_thread+0x8fc/0x103c [ 58.440330][ T234] kthread+0x37c/0x460 [ 58.441113][ T234] ret_from_fork+0x10/0x20 [ 58.441930][ T234] [ 58.441930][ T234] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 58.443468][ T234] flush_workqueue+0x134/0x1060 [ 58.444357][ T234] gfs2_gl_hash_clear+0xb4/0x2d4 [ 58.445330][ T234] gfs2_put_super+0x5e0/0x678 [ 58.446226][ T234] generic_shutdown_super+0x138/0x2f8 [ 58.447237][ T234] kill_block_super+0x78/0xe0 [ 58.448155][ T234] gfs2_kill_sb+0xc4/0xd8 [ 58.449085][ T234] deactivate_locked_super+0xc0/0x13c [ 58.450144][ T234] deactivate_super+0xf0/0x110 [ 58.451088][ T234] cleanup_mnt+0x3bc/0x470 [ 58.452006][ T234] __cleanup_mnt+0x20/0x30 [ 58.452889][ T234] task_work_run+0x13c/0x1e8 [ 58.453793][ T234] do_notify_resume+0x2488/0x30a8 [ 58.454386][ T5127] loop1: detected capacity change from 0 to 32768 [ 58.454749][ T234] el0_svc+0xf0/0x1d0 [ 58.456686][ T234] el0t_64_sync_handler+0xcc/0xe4 [ 58.457800][ T234] el0t_64_sync+0x1a0/0x1a4 [ 58.458807][ T234] [ 58.458807][ T234] -> #0 (&type->s_umount_key#50){+.+.}-{3:3}: [ 58.460504][ T234] __lock_acquire+0x28b0/0x65d4 [ 58.461591][ T234] lock_acquire+0x1f4/0x618 [ 58.462605][ T234] down_write+0xbc/0x12c [ 58.463566][ T234] freeze_super+0x54/0x36c [ 58.464528][ T234] freeze_go_sync+0x12c/0x320 [ 58.465525][ T234] do_xmote+0x2f0/0xf64 [ 58.466426][ T234] run_queue+0x400/0x694 [ 58.467372][ T234] glock_work_func+0x20c/0x444 [ 58.468414][ T234] process_one_work+0x7a4/0x1178 [ 58.469527][ T234] worker_thread+0x8fc/0x103c [ 58.470520][ T234] kthread+0x37c/0x460 [ 58.471440][ T234] ret_from_fork+0x10/0x20 [ 58.472400][ T234] [ 58.472400][ T234] other info that might help us debug this: [ 58.472400][ T234] [ 58.474104][ T234] Chain exists of: [ 58.474104][ T234] &type->s_umount_key#50 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 58.474104][ T234] [ 58.477017][ T234] Possible unsafe locking scenario: [ 58.477017][ T234] [ 58.478255][ T234] CPU0 CPU1 [ 58.479193][ T234] ---- ---- [ 58.480085][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 58.481228][ T234] lock((wq_completion)glock_workqueue); [ 58.482648][ T234] lock((work_completion)(&(&gl->gl_work)->work)); [ 58.484246][ T234] lock(&type->s_umount_key#50); [ 58.485105][ T234] [ 58.485105][ T234] *** DEADLOCK *** [ 58.485105][ T234] [ 58.486488][ T234] 2 locks held by kworker/1:1H/234: [ 58.487282][ T234] #0: ffff0000c6755938 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x67c/0x1178 [ 58.489158][ T234] #1: ffff80001e9a7c40 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 58.491173][ T234] [ 58.491173][ T234] stack backtrace: [ 58.492182][ T234] CPU: 1 PID: 234 Comm: kworker/1:1H Not tainted syzkaller #0 [ 58.493389][ T234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.495077][ T234] Workqueue: glock_workqueue glock_work_func [ 58.496109][ T234] Call trace: [ 58.496646][ T234] dump_backtrace+0x0/0x458 [ 58.497383][ T234] show_stack+0x2c/0x3c [ 58.498082][ T234] __dump_stack+0x30/0x40 [ 58.498827][ T234] dump_stack_lvl+0xf4/0x15c [ 58.499630][ T234] dump_stack+0x1c/0x5c [ 58.500341][ T234] print_circular_bug+0x148/0x1b0 [ 58.501164][ T234] check_noncircular+0x264/0x2f8 [ 58.502037][ T234] __lock_acquire+0x28b0/0x65d4 [ 58.502836][ T234] lock_acquire+0x1f4/0x618 [ 58.503591][ T234] down_write+0xbc/0x12c [ 58.504292][ T234] freeze_super+0x54/0x36c [ 58.505018][ T234] freeze_go_sync+0x12c/0x320 [ 58.505771][ T234] do_xmote+0x2f0/0xf64 [ 58.506464][ T234] run_queue+0x400/0x694 [ 58.507183][ T234] glock_work_func+0x20c/0x444 [ 58.507972][ T234] process_one_work+0x7a4/0x1178 [ 58.508761][ T234] worker_thread+0x8fc/0x103c [ 58.509554][ T234] kthread+0x37c/0x460 [ 58.510234][ T234] ret_from_fork+0x10/0x20 [ 58.520503][ T5125] loop4: detected capacity change from 0 to 32768 [ 58.521469][ T5121] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.522967][ T5121] CPU: 0 PID: 5121 Comm: syz.2.30 Not tainted syzkaller #0 [ 58.524086][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.525855][ T5121] Call trace: [ 58.526439][ T5121] dump_backtrace+0x0/0x458 [ 58.527325][ T5121] show_stack+0x2c/0x3c [ 58.528047][ T5121] __dump_stack+0x30/0x40 [ 58.528820][ T5121] dump_stack_lvl+0xf4/0x15c [ 58.529653][ T5121] dump_stack+0x1c/0x5c [ 58.530388][ T5121] sysfs_create_dir_ns+0x244/0x264 [ 58.531246][ T5121] kobject_add_internal+0x594/0xc2c [ 58.532117][ T5121] kobject_init_and_add+0x128/0x194 [ 58.533000][ T5121] gfs2_sys_fs_add+0x208/0x428 [ 58.533752][ T5121] gfs2_fill_super+0xe20/0x1a9c [ 58.534507][ T5121] get_tree_bdev+0x35c/0x54c [ 58.535269][ T5121] gfs2_get_tree+0x58/0x1b8 [ 58.535969][ T5121] vfs_get_tree+0x90/0x278 [ 58.536665][ T5121] do_new_mount+0x228/0x804 [ 58.537343][ T5121] path_mount+0x57c/0xfe8 [ 58.538036][ T5121] __arm64_sys_mount+0x488/0x5f8 [ 58.538851][ T5121] invoke_syscall+0x98/0x28c [ 58.539577][ T5121] el0_svc_common+0x13c/0x258 [ 58.540313][ T5121] do_el0_svc+0x5c/0x140 [ 58.541027][ T5121] el0_svc+0x78/0x1d0 [ 58.541662][ T5121] el0t_64_sync_handler+0xcc/0xe4 [ 58.542466][ T5121] el0t_64_sync+0x1a0/0x1a4 [ 58.546685][ T5127] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.547814][ T5127] CPU: 0 PID: 5127 Comm: syz.1.16 Not tainted syzkaller #0 [ 58.548865][ T5127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.550744][ T5127] Call trace: [ 58.551334][ T5127] dump_backtrace+0x0/0x458 [ 58.552136][ T5127] show_stack+0x2c/0x3c [ 58.552857][ T5127] __dump_stack+0x30/0x40 [ 58.553601][ T5127] dump_stack_lvl+0xf4/0x15c [ 58.554366][ T5127] dump_stack+0x1c/0x5c [ 58.555023][ T5127] sysfs_create_dir_ns+0x244/0x264 [ 58.555837][ T5127] kobject_add_internal+0x594/0xc2c [ 58.556758][ T5127] kobject_init_and_add+0x128/0x194 [ 58.557674][ T5127] gfs2_sys_fs_add+0x208/0x428 [ 58.558510][ T5127] gfs2_fill_super+0xe20/0x1a9c [ 58.559302][ T5127] get_tree_bdev+0x35c/0x54c [ 58.560065][ T5127] gfs2_get_tree+0x58/0x1b8 [ 58.560838][ T5127] vfs_get_tree+0x90/0x278 [ 58.561590][ T5127] do_new_mount+0x228/0x804 [ 58.562346][ T5127] path_mount+0x57c/0xfe8 [ 58.563070][ T5127] __arm64_sys_mount+0x488/0x5f8 [ 58.563905][ T5127] invoke_syscall+0x98/0x28c [ 58.564749][ T5127] el0_svc_common+0x13c/0x258 [ 58.565559][ T5127] do_el0_svc+0x5c/0x140 [ 58.566254][ T5127] el0_svc+0x78/0x1d0 [ 58.566938][ T5127] el0t_64_sync_handler+0xcc/0xe4 [ 58.567803][ T5127] el0t_64_sync+0x1a0/0x1a4 [ 58.582186][ T5129] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.583467][ T5129] CPU: 0 PID: 5129 Comm: syz.3.31 Not tainted syzkaller #0 [ 58.584653][ T5129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.586301][ T5129] Call trace: [ 58.586862][ T5129] dump_backtrace+0x0/0x458 [ 58.587613][ T5129] show_stack+0x2c/0x3c [ 58.588322][ T5129] __dump_stack+0x30/0x40 [ 58.589014][ T5121] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.589048][ T5129] dump_stack_lvl+0xf4/0x15c [ 58.591320][ T5121] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.591970][ T5129] dump_stack+0x1c/0x5c [ 58.593275][ T5127] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.593686][ T5129] sysfs_create_dir_ns+0x244/0x264 [ 58.595638][ T5127] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.596476][ T5129] kobject_add_internal+0x594/0xc2c [ 58.596493][ T5129] kobject_init_and_add+0x128/0x194 [ 58.596507][ T5129] gfs2_sys_fs_add+0x208/0x428 [ 58.600222][ T5129] gfs2_fill_super+0xe20/0x1a9c [ 58.601067][ T5129] get_tree_bdev+0x35c/0x54c [ 58.601849][ T5129] gfs2_get_tree+0x58/0x1b8 [ 58.602621][ T5129] vfs_get_tree+0x90/0x278 [ 58.603376][ T5129] do_new_mount+0x228/0x804 [ 58.604173][ T5129] path_mount+0x57c/0xfe8 [ 58.604918][ T5129] __arm64_sys_mount+0x488/0x5f8 [ 58.605735][ T5129] invoke_syscall+0x98/0x28c [ 58.606496][ T5129] el0_svc_common+0x13c/0x258 [ 58.607274][ T5129] do_el0_svc+0x5c/0x140 [ 58.608018][ T5129] el0_svc+0x78/0x1d0 [ 58.608676][ T5129] el0t_64_sync_handler+0xcc/0xe4 [ 58.609524][ T5129] el0t_64_sync+0x1a0/0x1a4 [ 58.617010][ T5125] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.618250][ T5125] CPU: 0 PID: 5125 Comm: syz.4.19 Not tainted syzkaller #0 [ 58.619377][ T5125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.620921][ T5125] Call trace: [ 58.621439][ T5125] dump_backtrace+0x0/0x458 [ 58.622190][ T5125] show_stack+0x2c/0x3c [ 58.622910][ T5125] __dump_stack+0x30/0x40 [ 58.623212][ T5129] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.623651][ T5125] dump_stack_lvl+0xf4/0x15c [ 58.625966][ T5129] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.626582][ T5125] dump_stack+0x1c/0x5c [ 58.626593][ T5125] sysfs_create_dir_ns+0x244/0x264 [ 58.626604][ T5125] kobject_add_internal+0x594/0xc2c [ 58.626612][ T5125] kobject_init_and_add+0x128/0x194 [ 58.626618][ T5125] gfs2_sys_fs_add+0x208/0x428 [ 58.626623][ T5125] gfs2_fill_super+0xe20/0x1a9c [ 58.632533][ T5125] get_tree_bdev+0x35c/0x54c [ 58.633295][ T5125] gfs2_get_tree+0x58/0x1b8 [ 58.634036][ T5125] vfs_get_tree+0x90/0x278 [ 58.634800][ T5125] do_new_mount+0x228/0x804 [ 58.635532][ T5125] path_mount+0x57c/0xfe8 [ 58.636265][ T5125] __arm64_sys_mount+0x488/0x5f8 [ 58.637132][ T5125] invoke_syscall+0x98/0x28c [ 58.637932][ T5125] el0_svc_common+0x13c/0x258 [ 58.638754][ T5125] do_el0_svc+0x5c/0x140 [ 58.639509][ T5125] el0_svc+0x78/0x1d0 [ 58.640185][ T5125] el0t_64_sync_handler+0xcc/0xe4 [ 58.641013][ T5125] el0t_64_sync+0x1a0/0x1a4 [ 58.655572][ T5125] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.660104][ T5125] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.739517][ T1604] team0 (unregistering): Port device team_slave_1 removed [ 58.743282][ T1604] team0 (unregistering): Port device team_slave_0 removed [ 58.749428][ T1604] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 58.823640][ T1604] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 58.908385][ T5133] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.909723][ T5133] CPU: 0 PID: 5133 Comm: syz.1.32 Not tainted syzkaller #0 [ 58.911160][ T5133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.912966][ T5133] Call trace: [ 58.913540][ T5133] dump_backtrace+0x0/0x458 [ 58.914357][ T5133] show_stack+0x2c/0x3c [ 58.915181][ T5133] __dump_stack+0x30/0x40 [ 58.916021][ T5133] dump_stack_lvl+0xf4/0x15c [ 58.916875][ T5133] dump_stack+0x1c/0x5c [ 58.917586][ T5133] sysfs_create_dir_ns+0x244/0x264 [ 58.918461][ T5133] kobject_add_internal+0x594/0xc2c [ 58.919325][ T5133] kobject_init_and_add+0x128/0x194 [ 58.920220][ T5133] gfs2_sys_fs_add+0x208/0x428 [ 58.921047][ T5133] gfs2_fill_super+0xe20/0x1a9c [ 58.921877][ T5133] get_tree_bdev+0x35c/0x54c [ 58.922662][ T5133] gfs2_get_tree+0x58/0x1b8 [ 58.923425][ T5133] vfs_get_tree+0x90/0x278 [ 58.924325][ T5133] do_new_mount+0x228/0x804 [ 58.925238][ T5133] path_mount+0x57c/0xfe8 [ 58.926030][ T5133] __arm64_sys_mount+0x488/0x5f8 [ 58.926884][ T5133] invoke_syscall+0x98/0x28c [ 58.927649][ T5133] el0_svc_common+0x13c/0x258 [ 58.928472][ T5133] do_el0_svc+0x5c/0x140 [ 58.929152][ T5133] el0_svc+0x78/0x1d0 [ 58.929939][ T5133] el0t_64_sync_handler+0xcc/0xe4 [ 58.930971][ T5133] el0t_64_sync+0x1a0/0x1a4 [ 58.938357][ T5135] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.939598][ T5135] CPU: 1 PID: 5135 Comm: syz.4.33 Not tainted syzkaller #0 [ 58.940790][ T5135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 58.942434][ T5135] Call trace: [ 58.942989][ T5135] dump_backtrace+0x0/0x458 [ 58.943803][ T5135] show_stack+0x2c/0x3c [ 58.944549][ T5135] __dump_stack+0x30/0x40 [ 58.945378][ T5135] dump_stack_lvl+0xf4/0x15c [ 58.946170][ T5135] dump_stack+0x1c/0x5c [ 58.946930][ T5135] sysfs_create_dir_ns+0x244/0x264 [ 58.947836][ T5135] kobject_add_internal+0x594/0xc2c [ 58.948796][ T5135] kobject_init_and_add+0x128/0x194 [ 58.949735][ T5135] gfs2_sys_fs_add+0x208/0x428 [ 58.950609][ T5135] gfs2_fill_super+0xe20/0x1a9c [ 58.951467][ T5135] get_tree_bdev+0x35c/0x54c [ 58.952287][ T5135] gfs2_get_tree+0x58/0x1b8 [ 58.953103][ T5135] vfs_get_tree+0x90/0x278 [ 58.953916][ T5135] do_new_mount+0x228/0x804 [ 58.954749][ T5135] path_mount+0x57c/0xfe8 [ 58.955540][ T5135] __arm64_sys_mount+0x488/0x5f8 [ 58.956453][ T5135] invoke_syscall+0x98/0x28c [ 58.957320][ T5135] el0_svc_common+0x13c/0x258 [ 58.958208][ T5135] do_el0_svc+0x5c/0x140 [ 58.959007][ T5135] el0_svc+0x78/0x1d0 [ 58.959742][ T5135] el0t_64_sync_handler+0xcc/0xe4 [ 58.960619][ T5135] el0t_64_sync+0x1a0/0x1a4 [ 58.968642][ T5133] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.969345][ T1604] bond0 (unregistering): Released all slaves [ 58.970950][ T5133] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.001383][ T5135] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.003877][ T5129] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.005362][ T5129] CPU: 1 PID: 5129 Comm: syz.3.31 Not tainted syzkaller #0 [ 59.006674][ T5129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.008370][ T5129] Call trace: [ 59.008887][ T5129] dump_backtrace+0x0/0x458 [ 59.009613][ T5129] show_stack+0x2c/0x3c [ 59.010463][ T5129] __dump_stack+0x30/0x40 [ 59.011342][ T5129] dump_stack_lvl+0xf4/0x15c [ 59.012243][ T5129] dump_stack+0x1c/0x5c [ 59.012924][ T5129] sysfs_create_dir_ns+0x244/0x264 [ 59.013969][ T5129] kobject_add_internal+0x594/0xc2c [ 59.015030][ T5129] kobject_init_and_add+0x128/0x194 [ 59.015963][ T5129] gfs2_sys_fs_add+0x208/0x428 [ 59.016803][ T5129] gfs2_fill_super+0xe20/0x1a9c [ 59.017659][ T5129] get_tree_bdev+0x35c/0x54c [ 59.018405][ T5129] gfs2_get_tree+0x58/0x1b8 [ 59.019155][ T5129] vfs_get_tree+0x90/0x278 [ 59.020029][ T5129] do_new_mount+0x228/0x804 [ 59.020841][ T5129] path_mount+0x57c/0xfe8 [ 59.021617][ T5129] __arm64_sys_mount+0x488/0x5f8 [ 59.022578][ T5129] invoke_syscall+0x98/0x28c [ 59.023436][ T5129] el0_svc_common+0x13c/0x258 [ 59.024345][ T5129] do_el0_svc+0x5c/0x140 [ 59.025125][ T5129] el0_svc+0x78/0x1d0 [ 59.025845][ T5129] el0t_64_sync_handler+0xcc/0xe4 [ 59.026656][ T5129] el0t_64_sync+0x1a0/0x1a4 [ 59.028261][ T5135] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.029937][ T5129] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.032131][ T5129] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.057026][ T5137] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.058530][ T5137] CPU: 1 PID: 5137 Comm: syz.2.34 Not tainted syzkaller #0 [ 59.059760][ T5137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.061483][ T5137] Call trace: [ 59.062089][ T5137] dump_backtrace+0x0/0x458 [ 59.062903][ T5137] show_stack+0x2c/0x3c [ 59.063624][ T5137] __dump_stack+0x30/0x40 [ 59.064390][ T5137] dump_stack_lvl+0xf4/0x15c [ 59.065160][ T5137] dump_stack+0x1c/0x5c [ 59.065922][ T5137] sysfs_create_dir_ns+0x244/0x264 [ 59.066930][ T5137] kobject_add_internal+0x594/0xc2c [ 59.067922][ T5137] kobject_init_and_add+0x128/0x194 [ 59.068808][ T5137] gfs2_sys_fs_add+0x208/0x428 [ 59.069604][ T5137] gfs2_fill_super+0xe20/0x1a9c [ 59.070404][ T5137] get_tree_bdev+0x35c/0x54c [ 59.071195][ T5137] gfs2_get_tree+0x58/0x1b8 [ 59.071971][ T5137] vfs_get_tree+0x90/0x278 [ 59.072836][ T5137] do_new_mount+0x228/0x804 [ 59.073727][ T5137] path_mount+0x57c/0xfe8 [ 59.074507][ T5137] __arm64_sys_mount+0x488/0x5f8 [ 59.075361][ T5137] invoke_syscall+0x98/0x28c [ 59.076180][ T5137] el0_svc_common+0x13c/0x258 [ 59.076924][ T5137] do_el0_svc+0x5c/0x140 [ 59.077608][ T5137] el0_svc+0x78/0x1d0 [ 59.078254][ T5137] el0t_64_sync_handler+0xcc/0xe4 [ 59.079092][ T5137] el0t_64_sync+0x1a0/0x1a4 [ 59.145723][ T5137] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.158545][ T5137] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.336119][ T5135] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.337822][ T5135] CPU: 1 PID: 5135 Comm: syz.4.33 Not tainted syzkaller #0 [ 59.339041][ T5135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.340802][ T5135] Call trace: [ 59.341373][ T5135] dump_backtrace+0x0/0x458 [ 59.342089][ T5135] show_stack+0x2c/0x3c [ 59.342756][ T5135] __dump_stack+0x30/0x40 [ 59.343439][ T5135] dump_stack_lvl+0xf4/0x15c [ 59.344159][ T5135] dump_stack+0x1c/0x5c [ 59.344797][ T5135] sysfs_create_dir_ns+0x244/0x264 [ 59.345612][ T5135] kobject_add_internal+0x594/0xc2c [ 59.346480][ T5135] kobject_init_and_add+0x128/0x194 [ 59.347344][ T5135] gfs2_sys_fs_add+0x208/0x428 [ 59.348141][ T5135] gfs2_fill_super+0xe20/0x1a9c [ 59.348870][ T5133] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.348972][ T5135] get_tree_bdev+0x35c/0x54c [ 59.350972][ T5135] gfs2_get_tree+0x58/0x1b8 [ 59.351736][ T5135] vfs_get_tree+0x90/0x278 [ 59.352442][ T5135] do_new_mount+0x228/0x804 [ 59.353156][ T5135] path_mount+0x57c/0xfe8 [ 59.353891][ T5135] __arm64_sys_mount+0x488/0x5f8 [ 59.354733][ T5135] invoke_syscall+0x98/0x28c [ 59.355501][ T5135] el0_svc_common+0x13c/0x258 [ 59.356317][ T5135] do_el0_svc+0x5c/0x140 [ 59.357024][ T5135] el0_svc+0x78/0x1d0 [ 59.357684][ T5135] el0t_64_sync_handler+0xcc/0xe4 [ 59.358511][ T5135] el0t_64_sync+0x1a0/0x1a4 [ 59.359255][ T5133] CPU: 0 PID: 5133 Comm: syz.1.32 Not tainted syzkaller #0 [ 59.360583][ T5133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.362495][ T5133] Call trace: [ 59.363113][ T5133] dump_backtrace+0x0/0x458 [ 59.363910][ T5133] show_stack+0x2c/0x3c [ 59.364648][ T5133] __dump_stack+0x30/0x40 [ 59.365417][ T5133] dump_stack_lvl+0xf4/0x15c [ 59.366234][ T5133] dump_stack+0x1c/0x5c [ 59.366973][ T5133] sysfs_create_dir_ns+0x244/0x264 [ 59.367922][ T5133] kobject_add_internal+0x594/0xc2c [ 59.368856][ T5133] kobject_init_and_add+0x128/0x194 [ 59.369805][ T5133] gfs2_sys_fs_add+0x208/0x428 [ 59.370679][ T5133] gfs2_fill_super+0xe20/0x1a9c [ 59.371503][ T5133] get_tree_bdev+0x35c/0x54c [ 59.372245][ T5133] gfs2_get_tree+0x58/0x1b8 [ 59.373020][ T5133] vfs_get_tree+0x90/0x278 [ 59.373921][ T5133] do_new_mount+0x228/0x804 [ 59.374701][ T5133] path_mount+0x57c/0xfe8 [ 59.375454][ T5133] __arm64_sys_mount+0x488/0x5f8 [ 59.376371][ T5133] invoke_syscall+0x98/0x28c [ 59.377167][ T5133] el0_svc_common+0x13c/0x258 [ 59.377942][ T5133] do_el0_svc+0x5c/0x140 [ 59.378768][ T5133] el0_svc+0x78/0x1d0 [ 59.379537][ T5133] el0t_64_sync_handler+0xcc/0xe4 [ 59.380588][ T5133] el0t_64_sync+0x1a0/0x1a4 [ 59.390386][ T5135] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.392865][ T5135] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.399685][ T5133] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.405318][ T5133] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.427016][ T5139] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.428297][ T5139] CPU: 0 PID: 5139 Comm: syz.3.35 Not tainted syzkaller #0 [ 59.429453][ T5139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.431140][ T5139] Call trace: [ 59.431694][ T5139] dump_backtrace+0x0/0x458 [ 59.432468][ T5139] show_stack+0x2c/0x3c [ 59.433149][ T5139] __dump_stack+0x30/0x40 [ 59.433862][ T5139] dump_stack_lvl+0xf4/0x15c [ 59.434616][ T5139] dump_stack+0x1c/0x5c [ 59.435353][ T5139] sysfs_create_dir_ns+0x244/0x264 [ 59.436225][ T5139] kobject_add_internal+0x594/0xc2c [ 59.437139][ T5139] kobject_init_and_add+0x128/0x194 [ 59.438022][ T5139] gfs2_sys_fs_add+0x208/0x428 [ 59.438832][ T5139] gfs2_fill_super+0xe20/0x1a9c [ 59.439676][ T5139] get_tree_bdev+0x35c/0x54c [ 59.440447][ T5139] gfs2_get_tree+0x58/0x1b8 [ 59.441206][ T5139] vfs_get_tree+0x90/0x278 [ 59.441921][ T5139] do_new_mount+0x228/0x804 [ 59.442814][ T5139] path_mount+0x57c/0xfe8 [ 59.443642][ T5139] __arm64_sys_mount+0x488/0x5f8 [ 59.444605][ T5139] invoke_syscall+0x98/0x28c [ 59.445474][ T5139] el0_svc_common+0x13c/0x258 [ 59.446343][ T5139] do_el0_svc+0x5c/0x140 [ 59.447097][ T5139] el0_svc+0x78/0x1d0 [ 59.447772][ T5139] el0t_64_sync_handler+0xcc/0xe4 [ 59.448770][ T5139] el0t_64_sync+0x1a0/0x1a4 [ 59.463618][ T5137] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.464819][ T5137] CPU: 0 PID: 5137 Comm: syz.2.34 Not tainted syzkaller #0 [ 59.465974][ T5137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.467700][ T5137] Call trace: [ 59.468285][ T5137] dump_backtrace+0x0/0x458 [ 59.469051][ T5137] show_stack+0x2c/0x3c [ 59.469775][ T5137] __dump_stack+0x30/0x40 [ 59.470499][ T5137] dump_stack_lvl+0xf4/0x15c [ 59.471282][ T5137] dump_stack+0x1c/0x5c [ 59.471998][ T5137] sysfs_create_dir_ns+0x244/0x264 [ 59.472866][ T5137] kobject_add_internal+0x594/0xc2c [ 59.473750][ T5137] kobject_init_and_add+0x128/0x194 [ 59.474631][ T5137] gfs2_sys_fs_add+0x208/0x428 [ 59.475452][ T5137] gfs2_fill_super+0xe20/0x1a9c [ 59.476411][ T5137] get_tree_bdev+0x35c/0x54c [ 59.477203][ T5137] gfs2_get_tree+0x58/0x1b8 [ 59.477971][ T5137] vfs_get_tree+0x90/0x278 [ 59.478727][ T5137] do_new_mount+0x228/0x804 [ 59.479535][ T5137] path_mount+0x57c/0xfe8 [ 59.480268][ T5137] __arm64_sys_mount+0x488/0x5f8 [ 59.481124][ T5137] invoke_syscall+0x98/0x28c [ 59.481926][ T5137] el0_svc_common+0x13c/0x258 [ 59.482712][ T5137] do_el0_svc+0x5c/0x140 [ 59.483445][ T5137] el0_svc+0x78/0x1d0 [ 59.484133][ T5137] el0t_64_sync_handler+0xcc/0xe4 [ 59.484989][ T5137] el0t_64_sync+0x1a0/0x1a4 [ 59.488540][ T5139] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.490696][ T5139] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.497114][ T5137] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.499251][ T5137] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:00:59 executed programs: 33 [ 59.700081][ T5141] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.701459][ T5141] CPU: 1 PID: 5141 Comm: syz.4.36 Not tainted syzkaller #0 [ 59.702626][ T5141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.704362][ T5141] Call trace: [ 59.704969][ T5141] dump_backtrace+0x0/0x458 [ 59.705800][ T5141] show_stack+0x2c/0x3c [ 59.706556][ T5141] __dump_stack+0x30/0x40 [ 59.707365][ T5141] dump_stack_lvl+0xf4/0x15c [ 59.708185][ T5141] dump_stack+0x1c/0x5c [ 59.708919][ T5141] sysfs_create_dir_ns+0x244/0x264 [ 59.709809][ T5141] kobject_add_internal+0x594/0xc2c [ 59.710758][ T5141] kobject_init_and_add+0x128/0x194 [ 59.711681][ T5141] gfs2_sys_fs_add+0x208/0x428 [ 59.712505][ T5141] gfs2_fill_super+0xe20/0x1a9c [ 59.713330][ T5141] get_tree_bdev+0x35c/0x54c [ 59.714156][ T5141] gfs2_get_tree+0x58/0x1b8 [ 59.714940][ T5141] vfs_get_tree+0x90/0x278 [ 59.715725][ T5141] do_new_mount+0x228/0x804 [ 59.716477][ T5141] path_mount+0x57c/0xfe8 [ 59.717194][ T5141] __arm64_sys_mount+0x488/0x5f8 [ 59.717979][ T5141] invoke_syscall+0x98/0x28c [ 59.718725][ T5141] el0_svc_common+0x13c/0x258 [ 59.719477][ T5141] do_el0_svc+0x5c/0x140 [ 59.720204][ T5141] el0_svc+0x78/0x1d0 [ 59.720889][ T5141] el0t_64_sync_handler+0xcc/0xe4 [ 59.721747][ T5141] el0t_64_sync+0x1a0/0x1a4 [ 59.736571][ T5141] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.738632][ T5141] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.739831][ T5139] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.741025][ T5139] CPU: 1 PID: 5139 Comm: syz.3.35 Not tainted syzkaller #0 [ 59.742346][ T5139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.744171][ T5139] Call trace: [ 59.744761][ T5139] dump_backtrace+0x0/0x458 [ 59.745598][ T5139] show_stack+0x2c/0x3c [ 59.746367][ T5139] __dump_stack+0x30/0x40 [ 59.747133][ T5139] dump_stack_lvl+0xf4/0x15c [ 59.747927][ T5139] dump_stack+0x1c/0x5c [ 59.748628][ T5139] sysfs_create_dir_ns+0x244/0x264 [ 59.749516][ T5139] kobject_add_internal+0x594/0xc2c [ 59.750377][ T5139] kobject_init_and_add+0x128/0x194 [ 59.751278][ T5139] gfs2_sys_fs_add+0x208/0x428 [ 59.752087][ T5139] gfs2_fill_super+0xe20/0x1a9c [ 59.752921][ T5139] get_tree_bdev+0x35c/0x54c [ 59.753698][ T5139] gfs2_get_tree+0x58/0x1b8 [ 59.754460][ T5139] vfs_get_tree+0x90/0x278 [ 59.755284][ T5139] do_new_mount+0x228/0x804 [ 59.756050][ T5139] path_mount+0x57c/0xfe8 [ 59.756783][ T5139] __arm64_sys_mount+0x488/0x5f8 [ 59.757641][ T5139] invoke_syscall+0x98/0x28c [ 59.758418][ T5139] el0_svc_common+0x13c/0x258 [ 59.759242][ T5139] do_el0_svc+0x5c/0x140 [ 59.759940][ T5139] el0_svc+0x78/0x1d0 [ 59.760606][ T5139] el0t_64_sync_handler+0xcc/0xe4 [ 59.761482][ T5139] el0t_64_sync+0x1a0/0x1a4 [ 59.786555][ T5139] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.788829][ T5139] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.851735][ T5145] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.853069][ T5145] CPU: 1 PID: 5145 Comm: syz.1.38 Not tainted syzkaller #0 [ 59.854393][ T5145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.856221][ T5145] Call trace: [ 59.856812][ T5145] dump_backtrace+0x0/0x458 [ 59.857654][ T5145] show_stack+0x2c/0x3c [ 59.858413][ T5145] __dump_stack+0x30/0x40 [ 59.859201][ T5145] dump_stack_lvl+0xf4/0x15c [ 59.860039][ T5145] dump_stack+0x1c/0x5c [ 59.860765][ T5145] sysfs_create_dir_ns+0x244/0x264 [ 59.861647][ T5145] kobject_add_internal+0x594/0xc2c [ 59.862542][ T5145] kobject_init_and_add+0x128/0x194 [ 59.863442][ T5145] gfs2_sys_fs_add+0x208/0x428 [ 59.864267][ T5145] gfs2_fill_super+0xe20/0x1a9c [ 59.865184][ T5145] get_tree_bdev+0x35c/0x54c [ 59.866028][ T5145] gfs2_get_tree+0x58/0x1b8 [ 59.866813][ T5145] vfs_get_tree+0x90/0x278 [ 59.867612][ T5145] do_new_mount+0x228/0x804 [ 59.868427][ T5145] path_mount+0x57c/0xfe8 [ 59.869207][ T5145] __arm64_sys_mount+0x488/0x5f8 [ 59.870089][ T5145] invoke_syscall+0x98/0x28c [ 59.870912][ T5145] el0_svc_common+0x13c/0x258 [ 59.871763][ T5145] do_el0_svc+0x5c/0x140 [ 59.872533][ T5145] el0_svc+0x78/0x1d0 [ 59.873278][ T5145] el0t_64_sync_handler+0xcc/0xe4 [ 59.874189][ T5145] el0t_64_sync+0x1a0/0x1a4 [ 59.875425][ T5143] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.876695][ T5143] CPU: 1 PID: 5143 Comm: syz.2.37 Not tainted syzkaller #0 [ 59.877825][ T5143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.879442][ T5143] Call trace: [ 59.879923][ T5143] dump_backtrace+0x0/0x458 [ 59.880740][ T5143] show_stack+0x2c/0x3c [ 59.881414][ T5143] __dump_stack+0x30/0x40 [ 59.882120][ T5143] dump_stack_lvl+0xf4/0x15c [ 59.882863][ T5143] dump_stack+0x1c/0x5c [ 59.883542][ T5143] sysfs_create_dir_ns+0x244/0x264 [ 59.884418][ T5143] kobject_add_internal+0x594/0xc2c [ 59.885268][ T5143] kobject_init_and_add+0x128/0x194 [ 59.886186][ T5143] gfs2_sys_fs_add+0x208/0x428 [ 59.887013][ T5143] gfs2_fill_super+0xe20/0x1a9c [ 59.887878][ T5143] get_tree_bdev+0x35c/0x54c [ 59.888695][ T5143] gfs2_get_tree+0x58/0x1b8 [ 59.889486][ T5143] vfs_get_tree+0x90/0x278 [ 59.890257][ T5143] do_new_mount+0x228/0x804 [ 59.891035][ T5143] path_mount+0x57c/0xfe8 [ 59.891797][ T5143] __arm64_sys_mount+0x488/0x5f8 [ 59.892641][ T5143] invoke_syscall+0x98/0x28c [ 59.893416][ T5143] el0_svc_common+0x13c/0x258 [ 59.894251][ T5143] do_el0_svc+0x5c/0x140 [ 59.894999][ T5143] el0_svc+0x78/0x1d0 [ 59.895725][ T5143] el0t_64_sync_handler+0xcc/0xe4 [ 59.896615][ T5143] el0t_64_sync+0x1a0/0x1a4 [ 59.907187][ T5143] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.914223][ T5143] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.915544][ T5145] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 59.919503][ T5145] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 59.979271][ T5141] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 59.980612][ T5141] CPU: 0 PID: 5141 Comm: syz.4.36 Not tainted syzkaller #0 [ 59.981905][ T5141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 59.983701][ T5141] Call trace: [ 59.984231][ T5141] dump_backtrace+0x0/0x458 [ 59.984998][ T5141] show_stack+0x2c/0x3c [ 59.985728][ T5141] __dump_stack+0x30/0x40 [ 59.986487][ T5141] dump_stack_lvl+0xf4/0x15c [ 59.987308][ T5141] dump_stack+0x1c/0x5c [ 59.988045][ T5141] sysfs_create_dir_ns+0x244/0x264 [ 59.989011][ T5141] kobject_add_internal+0x594/0xc2c [ 59.990064][ T5141] kobject_init_and_add+0x128/0x194 [ 59.991079][ T5141] gfs2_sys_fs_add+0x208/0x428 [ 59.992064][ T5141] gfs2_fill_super+0xe20/0x1a9c [ 59.993048][ T5141] get_tree_bdev+0x35c/0x54c [ 59.993934][ T5141] gfs2_get_tree+0x58/0x1b8 [ 59.994836][ T5141] vfs_get_tree+0x90/0x278 [ 59.995668][ T5141] do_new_mount+0x228/0x804 [ 59.996495][ T5141] path_mount+0x57c/0xfe8 [ 59.997289][ T5141] __arm64_sys_mount+0x488/0x5f8 [ 59.998174][ T5141] invoke_syscall+0x98/0x28c [ 59.998984][ T5141] el0_svc_common+0x13c/0x258 [ 59.999823][ T5141] do_el0_svc+0x5c/0x140 [ 60.000537][ T5141] el0_svc+0x78/0x1d0 [ 60.001217][ T5141] el0t_64_sync_handler+0xcc/0xe4 [ 60.002038][ T5141] el0t_64_sync+0x1a0/0x1a4 [ 60.033602][ T5141] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.043694][ T5141] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.123153][ T5147] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.124457][ T5147] CPU: 0 PID: 5147 Comm: syz.3.39 Not tainted syzkaller #0 [ 60.125667][ T5147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.127365][ T5147] Call trace: [ 60.127941][ T5147] dump_backtrace+0x0/0x458 [ 60.128741][ T5147] show_stack+0x2c/0x3c [ 60.129497][ T5147] __dump_stack+0x30/0x40 [ 60.130180][ T5147] dump_stack_lvl+0xf4/0x15c [ 60.130972][ T5147] dump_stack+0x1c/0x5c [ 60.131631][ T5147] sysfs_create_dir_ns+0x244/0x264 [ 60.132458][ T5147] kobject_add_internal+0x594/0xc2c [ 60.133299][ T5147] kobject_init_and_add+0x128/0x194 [ 60.134148][ T5147] gfs2_sys_fs_add+0x208/0x428 [ 60.134934][ T5147] gfs2_fill_super+0xe20/0x1a9c [ 60.135727][ T5147] get_tree_bdev+0x35c/0x54c [ 60.136474][ T5147] gfs2_get_tree+0x58/0x1b8 [ 60.137213][ T5147] vfs_get_tree+0x90/0x278 [ 60.137950][ T5147] do_new_mount+0x228/0x804 [ 60.138701][ T5147] path_mount+0x57c/0xfe8 [ 60.139416][ T5147] __arm64_sys_mount+0x488/0x5f8 [ 60.140277][ T5147] invoke_syscall+0x98/0x28c [ 60.141062][ T5147] el0_svc_common+0x13c/0x258 [ 60.141841][ T5147] do_el0_svc+0x5c/0x140 [ 60.142523][ T5147] el0_svc+0x78/0x1d0 [ 60.143175][ T5147] el0t_64_sync_handler+0xcc/0xe4 [ 60.144011][ T5147] el0t_64_sync+0x1a0/0x1a4 [ 60.156499][ T5147] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.158588][ T5147] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.208875][ T5145] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.210039][ T5145] CPU: 1 PID: 5145 Comm: syz.1.38 Not tainted syzkaller #0 [ 60.211222][ T5145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.212791][ T5145] Call trace: [ 60.213286][ T5145] dump_backtrace+0x0/0x458 [ 60.214026][ T5145] show_stack+0x2c/0x3c [ 60.214741][ T5145] __dump_stack+0x30/0x40 [ 60.215409][ T5145] dump_stack_lvl+0xf4/0x15c [ 60.216163][ T5145] dump_stack+0x1c/0x5c [ 60.216882][ T5145] sysfs_create_dir_ns+0x244/0x264 [ 60.217782][ T5145] kobject_add_internal+0x594/0xc2c [ 60.218664][ T5145] kobject_init_and_add+0x128/0x194 [ 60.219536][ T5145] gfs2_sys_fs_add+0x208/0x428 [ 60.220429][ T5145] gfs2_fill_super+0xe20/0x1a9c [ 60.221319][ T5145] get_tree_bdev+0x35c/0x54c [ 60.222112][ T5145] gfs2_get_tree+0x58/0x1b8 [ 60.222911][ T5145] vfs_get_tree+0x90/0x278 [ 60.223688][ T5145] do_new_mount+0x228/0x804 [ 60.224467][ T5145] path_mount+0x57c/0xfe8 [ 60.225238][ T5145] __arm64_sys_mount+0x488/0x5f8 [ 60.226145][ T5145] invoke_syscall+0x98/0x28c [ 60.226963][ T5145] el0_svc_common+0x13c/0x258 [ 60.227816][ T5145] do_el0_svc+0x5c/0x140 [ 60.228666][ T5145] el0_svc+0x78/0x1d0 [ 60.229424][ T5145] el0t_64_sync_handler+0xcc/0xe4 [ 60.230430][ T5145] el0t_64_sync+0x1a0/0x1a4 [ 60.233532][ T5143] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.234814][ T5143] CPU: 0 PID: 5143 Comm: syz.2.37 Not tainted syzkaller #0 [ 60.236053][ T5143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.237807][ T5143] Call trace: [ 60.238376][ T5143] dump_backtrace+0x0/0x458 [ 60.239156][ T5143] show_stack+0x2c/0x3c [ 60.239883][ T5143] __dump_stack+0x30/0x40 [ 60.240665][ T5143] dump_stack_lvl+0xf4/0x15c [ 60.241418][ T5143] dump_stack+0x1c/0x5c [ 60.242097][ T5143] sysfs_create_dir_ns+0x244/0x264 [ 60.242952][ T5143] kobject_add_internal+0x594/0xc2c [ 60.243812][ T5143] kobject_init_and_add+0x128/0x194 [ 60.244728][ T5143] gfs2_sys_fs_add+0x208/0x428 [ 60.245610][ T5143] gfs2_fill_super+0xe20/0x1a9c [ 60.246487][ T5143] get_tree_bdev+0x35c/0x54c [ 60.247335][ T5143] gfs2_get_tree+0x58/0x1b8 [ 60.248157][ T5143] vfs_get_tree+0x90/0x278 [ 60.248961][ T5143] do_new_mount+0x228/0x804 [ 60.249776][ T5143] path_mount+0x57c/0xfe8 [ 60.250509][ T5143] __arm64_sys_mount+0x488/0x5f8 [ 60.251326][ T5143] invoke_syscall+0x98/0x28c [ 60.252094][ T5143] el0_svc_common+0x13c/0x258 [ 60.252885][ T5143] do_el0_svc+0x5c/0x140 [ 60.253626][ T5143] el0_svc+0x78/0x1d0 [ 60.254444][ T5143] el0t_64_sync_handler+0xcc/0xe4 [ 60.255356][ T5143] el0t_64_sync+0x1a0/0x1a4 [ 60.265651][ T5145] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.267984][ T5145] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.276752][ T5143] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.278824][ T5143] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.297325][ T5149] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.298633][ T5149] CPU: 0 PID: 5149 Comm: syz.4.40 Not tainted syzkaller #0 [ 60.299983][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.301880][ T5149] Call trace: [ 60.302484][ T5149] dump_backtrace+0x0/0x458 [ 60.303367][ T5149] show_stack+0x2c/0x3c [ 60.304125][ T5149] __dump_stack+0x30/0x40 [ 60.304953][ T5149] dump_stack_lvl+0xf4/0x15c [ 60.305807][ T5149] dump_stack+0x1c/0x5c [ 60.306645][ T5149] sysfs_create_dir_ns+0x244/0x264 [ 60.307670][ T5149] kobject_add_internal+0x594/0xc2c [ 60.308696][ T5149] kobject_init_and_add+0x128/0x194 [ 60.309571][ T5149] gfs2_sys_fs_add+0x208/0x428 [ 60.310413][ T5149] gfs2_fill_super+0xe20/0x1a9c [ 60.311259][ T5149] get_tree_bdev+0x35c/0x54c [ 60.312006][ T5149] gfs2_get_tree+0x58/0x1b8 [ 60.312805][ T5149] vfs_get_tree+0x90/0x278 [ 60.313519][ T5149] do_new_mount+0x228/0x804 [ 60.314293][ T5149] path_mount+0x57c/0xfe8 [ 60.315014][ T5149] __arm64_sys_mount+0x488/0x5f8 [ 60.315894][ T5149] invoke_syscall+0x98/0x28c [ 60.316664][ T5149] el0_svc_common+0x13c/0x258 [ 60.317455][ T5149] do_el0_svc+0x5c/0x140 [ 60.318120][ T5149] el0_svc+0x78/0x1d0 [ 60.318799][ T5149] el0t_64_sync_handler+0xcc/0xe4 [ 60.319674][ T5149] el0t_64_sync+0x1a0/0x1a4 [ 60.346512][ T5149] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.348852][ T5149] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.419409][ T5147] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.420690][ T5147] CPU: 1 PID: 5147 Comm: syz.3.39 Not tainted syzkaller #0 [ 60.421768][ T5147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.423443][ T5147] Call trace: [ 60.423991][ T5147] dump_backtrace+0x0/0x458 [ 60.424733][ T5147] show_stack+0x2c/0x3c [ 60.425371][ T5147] __dump_stack+0x30/0x40 [ 60.426055][ T5147] dump_stack_lvl+0xf4/0x15c [ 60.426855][ T5147] dump_stack+0x1c/0x5c [ 60.427601][ T5147] sysfs_create_dir_ns+0x244/0x264 [ 60.428509][ T5147] kobject_add_internal+0x594/0xc2c [ 60.429447][ T5147] kobject_init_and_add+0x128/0x194 [ 60.430543][ T5147] gfs2_sys_fs_add+0x208/0x428 [ 60.431466][ T5147] gfs2_fill_super+0xe20/0x1a9c [ 60.432274][ T5147] get_tree_bdev+0x35c/0x54c [ 60.433019][ T5147] gfs2_get_tree+0x58/0x1b8 [ 60.433713][ T5147] vfs_get_tree+0x90/0x278 [ 60.434596][ T5147] do_new_mount+0x228/0x804 [ 60.435470][ T5147] path_mount+0x57c/0xfe8 [ 60.436332][ T5147] __arm64_sys_mount+0x488/0x5f8 [ 60.437271][ T5147] invoke_syscall+0x98/0x28c [ 60.438164][ T5147] el0_svc_common+0x13c/0x258 [ 60.439098][ T5147] do_el0_svc+0x5c/0x140 [ 60.439925][ T5147] el0_svc+0x78/0x1d0 [ 60.440674][ T5147] el0t_64_sync_handler+0xcc/0xe4 [ 60.441618][ T5147] el0t_64_sync+0x1a0/0x1a4 [ 60.493321][ T5147] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.495627][ T5147] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.595733][ T5152] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.601089][ T5153] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.602332][ T5153] CPU: 1 PID: 5153 Comm: syz.1.42 Not tainted syzkaller #0 [ 60.603513][ T5153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.605193][ T5153] Call trace: [ 60.605731][ T5153] dump_backtrace+0x0/0x458 [ 60.606468][ T5153] show_stack+0x2c/0x3c [ 60.607207][ T5153] __dump_stack+0x30/0x40 [ 60.607954][ T5153] dump_stack_lvl+0xf4/0x15c [ 60.608725][ T5153] dump_stack+0x1c/0x5c [ 60.609456][ T5153] sysfs_create_dir_ns+0x244/0x264 [ 60.610320][ T5153] kobject_add_internal+0x594/0xc2c [ 60.611250][ T5153] kobject_init_and_add+0x128/0x194 [ 60.612076][ T5153] gfs2_sys_fs_add+0x208/0x428 [ 60.612877][ T5153] gfs2_fill_super+0xe20/0x1a9c [ 60.613707][ T5153] get_tree_bdev+0x35c/0x54c [ 60.614477][ T5153] gfs2_get_tree+0x58/0x1b8 [ 60.615247][ T5153] vfs_get_tree+0x90/0x278 [ 60.615944][ T5153] do_new_mount+0x228/0x804 [ 60.616650][ T5153] path_mount+0x57c/0xfe8 [ 60.617326][ T5153] __arm64_sys_mount+0x488/0x5f8 [ 60.618145][ T5153] invoke_syscall+0x98/0x28c [ 60.618910][ T5153] el0_svc_common+0x13c/0x258 [ 60.619703][ T5153] do_el0_svc+0x5c/0x140 [ 60.620440][ T5153] el0_svc+0x78/0x1d0 [ 60.621126][ T5153] el0t_64_sync_handler+0xcc/0xe4 [ 60.621954][ T5153] el0t_64_sync+0x1a0/0x1a4 [ 60.632955][ T5152] CPU: 1 PID: 5152 Comm: syz.2.41 Not tainted syzkaller #0 [ 60.634025][ T5152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.635654][ T5152] Call trace: [ 60.636171][ T5152] dump_backtrace+0x0/0x458 [ 60.636909][ T5152] show_stack+0x2c/0x3c [ 60.637575][ T5152] __dump_stack+0x30/0x40 [ 60.638276][ T5152] dump_stack_lvl+0xf4/0x15c [ 60.639031][ T5152] dump_stack+0x1c/0x5c [ 60.639748][ T5152] sysfs_create_dir_ns+0x244/0x264 [ 60.640638][ T5152] kobject_add_internal+0x594/0xc2c [ 60.641507][ T5152] kobject_init_and_add+0x128/0x194 [ 60.642392][ T5152] gfs2_sys_fs_add+0x208/0x428 [ 60.643312][ T5152] gfs2_fill_super+0xe20/0x1a9c [ 60.644226][ T5152] get_tree_bdev+0x35c/0x54c [ 60.645119][ T5152] gfs2_get_tree+0x58/0x1b8 [ 60.645993][ T5152] vfs_get_tree+0x90/0x278 [ 60.646887][ T5152] do_new_mount+0x228/0x804 [ 60.647814][ T5152] path_mount+0x57c/0xfe8 [ 60.648579][ T5152] __arm64_sys_mount+0x488/0x5f8 [ 60.649589][ T5152] invoke_syscall+0x98/0x28c [ 60.650503][ T5152] el0_svc_common+0x13c/0x258 [ 60.651300][ T5152] do_el0_svc+0x5c/0x140 [ 60.652049][ T5152] el0_svc+0x78/0x1d0 [ 60.652717][ T5152] el0t_64_sync_handler+0xcc/0xe4 [ 60.653594][ T5152] el0t_64_sync+0x1a0/0x1a4 [ 60.664983][ T5153] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.674547][ T5153] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.675110][ T5152] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.676112][ T5149] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.677989][ T5152] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.679411][ T5149] CPU: 0 PID: 5149 Comm: syz.4.40 Not tainted syzkaller #0 [ 60.681287][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.682998][ T5149] Call trace: [ 60.683556][ T5149] dump_backtrace+0x0/0x458 [ 60.684345][ T5149] show_stack+0x2c/0x3c [ 60.685053][ T5149] __dump_stack+0x30/0x40 [ 60.685767][ T5149] dump_stack_lvl+0xf4/0x15c [ 60.686505][ T5149] dump_stack+0x1c/0x5c [ 60.687199][ T5149] sysfs_create_dir_ns+0x244/0x264 [ 60.688044][ T5149] kobject_add_internal+0x594/0xc2c [ 60.688881][ T5149] kobject_init_and_add+0x128/0x194 [ 60.689751][ T5149] gfs2_sys_fs_add+0x208/0x428 [ 60.690502][ T5149] gfs2_fill_super+0xe20/0x1a9c [ 60.691310][ T5149] get_tree_bdev+0x35c/0x54c [ 60.692058][ T5149] gfs2_get_tree+0x58/0x1b8 [ 60.692824][ T5149] vfs_get_tree+0x90/0x278 [ 60.693557][ T5149] do_new_mount+0x228/0x804 [ 60.694298][ T5149] path_mount+0x57c/0xfe8 [ 60.694977][ T5149] __arm64_sys_mount+0x488/0x5f8 [ 60.695791][ T5149] invoke_syscall+0x98/0x28c [ 60.696523][ T5149] el0_svc_common+0x13c/0x258 [ 60.697298][ T5149] do_el0_svc+0x5c/0x140 [ 60.698012][ T5149] el0_svc+0x78/0x1d0 [ 60.698698][ T5149] el0t_64_sync_handler+0xcc/0xe4 [ 60.699542][ T5149] el0t_64_sync+0x1a0/0x1a4 [ 60.707192][ T5149] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.709265][ T5149] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 60.798607][ T5155] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 60.799997][ T5155] CPU: 1 PID: 5155 Comm: syz.3.43 Not tainted syzkaller #0 [ 60.801222][ T5155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 60.802881][ T5155] Call trace: [ 60.803354][ T5155] dump_backtrace+0x0/0x458 [ 60.804075][ T5155] show_stack+0x2c/0x3c [ 60.804760][ T5155] __dump_stack+0x30/0x40 [ 60.805465][ T5155] dump_stack_lvl+0xf4/0x15c [ 60.806202][ T5155] dump_stack+0x1c/0x5c [ 60.806900][ T5155] sysfs_create_dir_ns+0x244/0x264 [ 60.807760][ T5155] kobject_add_internal+0x594/0xc2c [ 60.808630][ T5155] kobject_init_and_add+0x128/0x194 [ 60.809507][ T5155] gfs2_sys_fs_add+0x208/0x428 [ 60.810313][ T5155] gfs2_fill_super+0xe20/0x1a9c [ 60.811156][ T5155] get_tree_bdev+0x35c/0x54c [ 60.811947][ T5155] gfs2_get_tree+0x58/0x1b8 [ 60.812744][ T5155] vfs_get_tree+0x90/0x278 [ 60.813565][ T5155] do_new_mount+0x228/0x804 [ 60.814367][ T5155] path_mount+0x57c/0xfe8 [ 60.815260][ T5155] __arm64_sys_mount+0x488/0x5f8 [ 60.816087][ T5155] invoke_syscall+0x98/0x28c [ 60.817018][ T5155] el0_svc_common+0x13c/0x258 [ 60.817952][ T5155] do_el0_svc+0x5c/0x140 [ 60.818795][ T5155] el0_svc+0x78/0x1d0 [ 60.819596][ T5155] el0t_64_sync_handler+0xcc/0xe4 [ 60.820604][ T5155] el0t_64_sync+0x1a0/0x1a4 [ 60.906395][ T5155] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 60.908613][ T5155] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.019512][ T5153] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.020818][ T5153] CPU: 0 PID: 5153 Comm: syz.1.42 Not tainted syzkaller #0 [ 61.022027][ T5153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 61.023684][ T5153] Call trace: [ 61.024254][ T5153] dump_backtrace+0x0/0x458 [ 61.024990][ T5153] show_stack+0x2c/0x3c [ 61.025682][ T5153] __dump_stack+0x30/0x40 [ 61.026394][ T5153] dump_stack_lvl+0xf4/0x15c [ 61.027161][ T5153] dump_stack+0x1c/0x5c [ 61.027875][ T5153] sysfs_create_dir_ns+0x244/0x264 [ 61.028753][ T5153] kobject_add_internal+0x594/0xc2c [ 61.029640][ T5153] kobject_init_and_add+0x128/0x194 [ 61.030532][ T5153] gfs2_sys_fs_add+0x208/0x428 [ 61.031309][ T5153] gfs2_fill_super+0xe20/0x1a9c [ 61.032116][ T5153] get_tree_bdev+0x35c/0x54c [ 61.032913][ T5153] gfs2_get_tree+0x58/0x1b8 [ 61.033691][ T5153] vfs_get_tree+0x90/0x278 [ 61.034419][ T5153] do_new_mount+0x228/0x804 [ 61.035136][ T5153] path_mount+0x57c/0xfe8 [ 61.035850][ T5153] __arm64_sys_mount+0x488/0x5f8 [ 61.036677][ T5153] invoke_syscall+0x98/0x28c [ 61.037451][ T5153] el0_svc_common+0x13c/0x258 [ 61.038281][ T5153] do_el0_svc+0x5c/0x140 [ 61.039025][ T5153] el0_svc+0x78/0x1d0 [ 61.039741][ T5153] el0t_64_sync_handler+0xcc/0xe4 [ 61.040635][ T5153] el0t_64_sync+0x1a0/0x1a4 [ 61.068036][ T5153] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.070379][ T5153] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.076903][ T5157] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.078025][ T5157] CPU: 1 PID: 5157 Comm: syz.4.44 Not tainted syzkaller #0 [ 61.079162][ T5157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 61.080856][ T5157] Call trace: [ 61.081405][ T5157] dump_backtrace+0x0/0x458 [ 61.082362][ T5157] show_stack+0x2c/0x3c [ 61.083207][ T5157] __dump_stack+0x30/0x40 [ 61.084080][ T5157] dump_stack_lvl+0xf4/0x15c [ 61.085016][ T5157] dump_stack+0x1c/0x5c [ 61.085762][ T5157] sysfs_create_dir_ns+0x244/0x264 [ 61.086784][ T5157] kobject_add_internal+0x594/0xc2c [ 61.087836][ T5157] kobject_init_and_add+0x128/0x194 [ 61.088715][ T5157] gfs2_sys_fs_add+0x208/0x428 [ 61.089493][ T5157] gfs2_fill_super+0xe20/0x1a9c [ 61.090281][ T5157] get_tree_bdev+0x35c/0x54c [ 61.091056][ T5157] gfs2_get_tree+0x58/0x1b8 [ 61.091817][ T5157] vfs_get_tree+0x90/0x278 [ 61.092546][ T5157] do_new_mount+0x228/0x804 [ 61.093473][ T5157] path_mount+0x57c/0xfe8 [ 61.094305][ T5157] __arm64_sys_mount+0x488/0x5f8 [ 61.095207][ T5157] invoke_syscall+0x98/0x28c [ 61.096052][ T5157] el0_svc_common+0x13c/0x258 [ 61.096910][ T5157] do_el0_svc+0x5c/0x140 [ 61.097692][ T5157] el0_svc+0x78/0x1d0 [ 61.098416][ T5157] el0t_64_sync_handler+0xcc/0xe4 [ 61.099432][ T5157] el0t_64_sync+0x1a0/0x1a4 [ 61.107030][ T5152] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.108232][ T5152] CPU: 1 PID: 5152 Comm: syz.2.41 Not tainted syzkaller #0 [ 61.109512][ T5152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 61.111285][ T5152] Call trace: [ 61.111831][ T5152] dump_backtrace+0x0/0x458 [ 61.112566][ T5152] show_stack+0x2c/0x3c [ 61.113277][ T5152] __dump_stack+0x30/0x40 [ 61.114018][ T5152] dump_stack_lvl+0xf4/0x15c [ 61.114801][ T5152] dump_stack+0x1c/0x5c [ 61.115498][ T5152] sysfs_create_dir_ns+0x244/0x264 [ 61.116363][ T5152] kobject_add_internal+0x594/0xc2c [ 61.117223][ T5152] kobject_init_and_add+0x128/0x194 [ 61.118148][ T5152] gfs2_sys_fs_add+0x208/0x428 [ 61.118946][ T5152] gfs2_fill_super+0xe20/0x1a9c [ 61.119816][ T5152] get_tree_bdev+0x35c/0x54c [ 61.120584][ T5152] gfs2_get_tree+0x58/0x1b8 [ 61.121352][ T5152] vfs_get_tree+0x90/0x278 [ 61.122078][ T5152] do_new_mount+0x228/0x804 [ 61.122824][ T5152] path_mount+0x57c/0xfe8 [ 61.123529][ T5152] __arm64_sys_mount+0x488/0x5f8 [ 61.124372][ T5152] invoke_syscall+0x98/0x28c [ 61.125161][ T5152] el0_svc_common+0x13c/0x258 [ 61.125966][ T5152] do_el0_svc+0x5c/0x140 [ 61.126681][ T5152] el0_svc+0x78/0x1d0 [ 61.127358][ T5152] el0t_64_sync_handler+0xcc/0xe4 [ 61.128269][ T5152] el0t_64_sync+0x1a0/0x1a4 [ 61.138186][ T5155] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.139458][ T5157] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.139478][ T5155] CPU: 0 PID: 5155 Comm: syz.3.43 Not tainted syzkaller #0 [ 61.141530][ T5157] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.142700][ T5155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 61.145526][ T5155] Call trace: [ 61.146102][ T5155] dump_backtrace+0x0/0x458 [ 61.146905][ T5155] show_stack+0x2c/0x3c [ 61.147643][ T5155] __dump_stack+0x30/0x40 [ 61.148401][ T5155] dump_stack_lvl+0xf4/0x15c [ 61.149239][ T5155] dump_stack+0x1c/0x5c [ 61.149974][ T5155] sysfs_create_dir_ns+0x244/0x264 [ 61.150907][ T5155] kobject_add_internal+0x594/0xc2c [ 61.151838][ T5155] kobject_init_and_add+0x128/0x194 [ 61.152733][ T5155] gfs2_sys_fs_add+0x208/0x428 [ 61.153615][ T5155] gfs2_fill_super+0xe20/0x1a9c [ 61.154488][ T5155] get_tree_bdev+0x35c/0x54c [ 61.155336][ T5155] gfs2_get_tree+0x58/0x1b8 [ 61.156123][ T5155] vfs_get_tree+0x90/0x278 [ 61.156889][ T5155] do_new_mount+0x228/0x804 [ 61.157690][ T5155] path_mount+0x57c/0xfe8 [ 61.158431][ T5155] __arm64_sys_mount+0x488/0x5f8 [ 61.159283][ T5155] invoke_syscall+0x98/0x28c [ 61.159517][ T5152] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.160082][ T5155] el0_svc_common+0x13c/0x258 [ 61.162245][ T5152] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.162926][ T5155] do_el0_svc+0x5c/0x140 [ 61.164783][ T5155] el0_svc+0x78/0x1d0 [ 61.165435][ T5155] el0t_64_sync_handler+0xcc/0xe4 [ 61.166260][ T5155] el0t_64_sync+0x1a0/0x1a4 [ 61.212578][ T5155] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.214821][ T5155] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.430988][ T5157] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.432328][ T5157] CPU: 1 PID: 5157 Comm: syz.4.44 Not tainted syzkaller #0 [ 61.433586][ T5157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 61.435256][ T5157] Call trace: [ 61.435807][ T5157] dump_backtrace+0x0/0x458 [ 61.436573][ T5157] show_stack+0x2c/0x3c [ 61.437370][ T5157] __dump_stack+0x30/0x40 [ 61.438131][ T5157] dump_stack_lvl+0xf4/0x15c [ 61.438887][ T5157] dump_stack+0x1c/0x5c [ 61.439609][ T5157] sysfs_create_dir_ns+0x244/0x264 [ 61.440484][ T5157] kobject_add_internal+0x594/0xc2c [ 61.441357][ T5157] kobject_init_and_add+0x128/0x194 [ 61.442229][ T5157] gfs2_sys_fs_add+0x208/0x428 [ 61.443048][ T5157] gfs2_fill_super+0xe20/0x1a9c [ 61.443833][ T5157] get_tree_bdev+0x35c/0x54c [ 61.444605][ T5157] gfs2_get_tree+0x58/0x1b8 [ 61.445370][ T5157] vfs_get_tree+0x90/0x278 [ 61.446143][ T5157] do_new_mount+0x228/0x804 [ 61.446897][ T5157] path_mount+0x57c/0xfe8 [ 61.447619][ T5157] __arm64_sys_mount+0x488/0x5f8 [ 61.448451][ T5157] invoke_syscall+0x98/0x28c [ 61.449236][ T5157] el0_svc_common+0x13c/0x258 [ 61.450061][ T5157] do_el0_svc+0x5c/0x140 [ 61.450763][ T5157] el0_svc+0x78/0x1d0 [ 61.451425][ T5157] el0t_64_sync_handler+0xcc/0xe4 [ 61.452264][ T5157] el0t_64_sync+0x1a0/0x1a4 [ 61.453491][ T5157] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.455404][ T5157] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.477351][ T5163] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.478632][ T5163] CPU: 1 PID: 5163 Comm: syz.1.47 Not tainted syzkaller #0 [ 61.479699][ T5163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 61.481267][ T5163] Call trace: [ 61.481741][ T5163] dump_backtrace+0x0/0x458 [ 61.481981][ T5159] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.482460][ T5163] show_stack+0x2c/0x3c [ 61.482474][ T5163] __dump_stack+0x30/0x40 [ 61.485208][ T5163] dump_stack_lvl+0xf4/0x15c [ 61.486011][ T5163] dump_stack+0x1c/0x5c [ 61.486703][ T5163] sysfs_create_dir_ns+0x244/0x264 [ 61.487561][ T5163] kobject_add_internal+0x594/0xc2c [ 61.488417][ T5163] kobject_init_and_add+0x128/0x194 [ 61.489289][ T5163] gfs2_sys_fs_add+0x208/0x428 [ 61.490111][ T5163] gfs2_fill_super+0xe20/0x1a9c [ 61.490967][ T5163] get_tree_bdev+0x35c/0x54c [ 61.491792][ T5163] gfs2_get_tree+0x58/0x1b8 [ 61.492536][ T5163] vfs_get_tree+0x90/0x278 [ 61.493267][ T5163] do_new_mount+0x228/0x804 [ 61.494026][ T5163] path_mount+0x57c/0xfe8 [ 61.494749][ T5163] __arm64_sys_mount+0x488/0x5f8 [ 61.495593][ T5163] invoke_syscall+0x98/0x28c [ 61.496376][ T5163] el0_svc_common+0x13c/0x258 [ 61.497221][ T5163] do_el0_svc+0x5c/0x140 [ 61.497987][ T5163] el0_svc+0x78/0x1d0 [ 61.498712][ T5163] el0t_64_sync_handler+0xcc/0xe4 [ 61.499626][ T5163] el0t_64_sync+0x1a0/0x1a4 [ 61.500443][ T5159] CPU: 0 PID: 5159 Comm: syz.2.45 Not tainted syzkaller #0 [ 61.501704][ T5159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 61.503393][ T5159] Call trace: [ 61.503962][ T5159] dump_backtrace+0x0/0x458 [ 61.504054][ T5163] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.504873][ T5159] show_stack+0x2c/0x3c [ 61.507095][ T5163] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.507540][ T5159] __dump_stack+0x30/0x40 [ 61.509391][ T5159] dump_stack_lvl+0xf4/0x15c [ 61.510161][ T5159] dump_stack+0x1c/0x5c [ 61.510908][ T5159] sysfs_create_dir_ns+0x244/0x264 [ 61.511828][ T5159] kobject_add_internal+0x594/0xc2c [ 61.512709][ T5159] kobject_init_and_add+0x128/0x194 [ 61.513567][ T5159] gfs2_sys_fs_add+0x208/0x428 [ 61.514363][ T5159] gfs2_fill_super+0xe20/0x1a9c [ 61.515189][ T5159] get_tree_bdev+0x35c/0x54c [ 61.515957][ T5159] gfs2_get_tree+0x58/0x1b8 [ 61.516737][ T5159] vfs_get_tree+0x90/0x278 [ 61.517490][ T5159] do_new_mount+0x228/0x804 [ 61.518264][ T5159] path_mount+0x57c/0xfe8 [ 61.519019][ T5159] __arm64_sys_mount+0x488/0x5f8 [ 61.519814][ T5159] invoke_syscall+0x98/0x28c [ 61.520570][ T5159] el0_svc_common+0x13c/0x258 [ 61.521310][ T5159] do_el0_svc+0x5c/0x140 [ 61.522036][ T5159] el0_svc+0x78/0x1d0 [ 61.522692][ T5159] el0t_64_sync_handler+0xcc/0xe4 [ 61.523491][ T5159] el0t_64_sync+0x1a0/0x1a4 [ 61.529486][ T5161] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.530762][ T5161] CPU: 0 PID: 5161 Comm: syz.3.46 Not tainted syzkaller #0 [ 61.531982][ T5161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 61.533671][ T5161] Call trace: [ 61.534217][ T5161] dump_backtrace+0x0/0x458 [ 61.534971][ T5161] show_stack+0x2c/0x3c [ 61.535692][ T5161] __dump_stack+0x30/0x40 [ 61.536395][ T5161] dump_stack_lvl+0xf4/0x15c [ 61.537223][ T5161] dump_stack+0x1c/0x5c [ 61.537935][ T5161] sysfs_create_dir_ns+0x244/0x264 [ 61.538828][ T5161] kobject_add_internal+0x594/0xc2c [ 61.539711][ T5161] kobject_init_and_add+0x128/0x194 [ 61.540601][ T5161] gfs2_sys_fs_add+0x208/0x428 [ 61.541435][ T5161] gfs2_fill_super+0xe20/0x1a9c [ 61.542283][ T5161] get_tree_bdev+0x35c/0x54c [ 61.543069][ T5161] gfs2_get_tree+0x58/0x1b8 [ 61.543848][ T5161] vfs_get_tree+0x90/0x278 [ 61.544619][ T5161] do_new_mount+0x228/0x804 [ 61.545368][ T5161] path_mount+0x57c/0xfe8 [ 61.546072][ T5161] __arm64_sys_mount+0x488/0x5f8 [ 61.546882][ T5161] invoke_syscall+0x98/0x28c [ 61.547631][ T5161] el0_svc_common+0x13c/0x258 [ 61.548384][ T5161] do_el0_svc+0x5c/0x140 [ 61.549111][ T5161] el0_svc+0x78/0x1d0 [ 61.549800][ T5161] el0t_64_sync_handler+0xcc/0xe4 [ 61.550637][ T5161] el0t_64_sync+0x1a0/0x1a4 [ 61.553615][ T5161] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.555641][ T5161] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.561714][ T5159] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.563755][ T5159] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.796924][ T5159] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.797045][ T5163] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.798292][ T5159] CPU: 0 PID: 5159 Comm: syz.2.45 Not tainted syzkaller #0 [ 61.800794][ T5159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 61.802754][ T5159] Call trace: [ 61.803317][ T5159] dump_backtrace+0x0/0x458 [ 61.804046][ T5159] show_stack+0x2c/0x3c [ 61.804726][ T5159] __dump_stack+0x30/0x40 [ 61.805501][ T5159] dump_stack_lvl+0xf4/0x15c [ 61.806308][ T5159] dump_stack+0x1c/0x5c [ 61.807122][ T5159] sysfs_create_dir_ns+0x244/0x264 [ 61.808044][ T5159] kobject_add_internal+0x594/0xc2c [ 61.808972][ T5159] kobject_init_and_add+0x128/0x194 [ 61.809852][ T5159] gfs2_sys_fs_add+0x208/0x428 [ 61.810663][ T5159] gfs2_fill_super+0xe20/0x1a9c [ 61.811490][ T5159] get_tree_bdev+0x35c/0x54c [ 61.812240][ T5159] gfs2_get_tree+0x58/0x1b8 [ 61.813124][ T5159] vfs_get_tree+0x90/0x278 [ 61.814020][ T5159] do_new_mount+0x228/0x804 [ 61.814910][ T5159] path_mount+0x57c/0xfe8 [ 61.815801][ T5159] __arm64_sys_mount+0x488/0x5f8 [ 61.816722][ T5159] invoke_syscall+0x98/0x28c [ 61.817502][ T5159] el0_svc_common+0x13c/0x258 [ 61.818324][ T5159] do_el0_svc+0x5c/0x140 [ 61.819035][ T5159] el0_svc+0x78/0x1d0 [ 61.819716][ T5159] el0t_64_sync_handler+0xcc/0xe4 [ 61.820543][ T5159] el0t_64_sync+0x1a0/0x1a4 [ 61.821325][ T5163] CPU: 1 PID: 5163 Comm: syz.1.47 Not tainted syzkaller #0 [ 61.822501][ T5163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 61.823361][ T5159] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.824295][ T5163] Call trace: [ 61.826189][ T5159] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.826777][ T5163] dump_backtrace+0x0/0x458 [ 61.826793][ T5163] show_stack+0x2c/0x3c [ 61.826805][ T5163] __dump_stack+0x30/0x40 [ 61.826812][ T5163] dump_stack_lvl+0xf4/0x15c [ 61.826817][ T5163] dump_stack+0x1c/0x5c [ 61.826821][ T5163] sysfs_create_dir_ns+0x244/0x264 [ 61.826827][ T5163] kobject_add_internal+0x594/0xc2c [ 61.833240][ T5163] kobject_init_and_add+0x128/0x194 [ 61.834155][ T5163] gfs2_sys_fs_add+0x208/0x428 [ 61.834999][ T5163] gfs2_fill_super+0xe20/0x1a9c [ 61.835832][ T5163] get_tree_bdev+0x35c/0x54c [ 61.836672][ T5163] gfs2_get_tree+0x58/0x1b8 [ 61.837449][ T5163] vfs_get_tree+0x90/0x278 [ 61.838246][ T5163] do_new_mount+0x228/0x804 [ 61.839027][ T5163] path_mount+0x57c/0xfe8 [ 61.839771][ T5163] __arm64_sys_mount+0x488/0x5f8 [ 61.840755][ T5163] invoke_syscall+0x98/0x28c [ 61.841685][ T5163] el0_svc_common+0x13c/0x258 [ 61.842640][ T5163] do_el0_svc+0x5c/0x140 [ 61.843503][ T5163] el0_svc+0x78/0x1d0 [ 61.844307][ T5163] el0t_64_sync_handler+0xcc/0xe4 [ 61.845332][ T5163] el0t_64_sync+0x1a0/0x1a4 [ 61.847803][ T5163] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.849496][ T5161] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.849903][ T5163] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.851105][ T5161] CPU: 1 PID: 5161 Comm: syz.3.46 Not tainted syzkaller #0 [ 61.853340][ T5161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 61.854937][ T5161] Call trace: [ 61.855483][ T5161] dump_backtrace+0x0/0x458 [ 61.856216][ T5161] show_stack+0x2c/0x3c [ 61.856912][ T5161] __dump_stack+0x30/0x40 [ 61.857680][ T5161] dump_stack_lvl+0xf4/0x15c [ 61.858495][ T5161] dump_stack+0x1c/0x5c [ 61.859171][ T5161] sysfs_create_dir_ns+0x244/0x264 [ 61.860063][ T5161] kobject_add_internal+0x594/0xc2c [ 61.860954][ T5161] kobject_init_and_add+0x128/0x194 [ 61.862000][ T5161] gfs2_sys_fs_add+0x208/0x428 [ 61.862843][ T5161] gfs2_fill_super+0xe20/0x1a9c [ 61.863711][ T5161] get_tree_bdev+0x35c/0x54c [ 61.864491][ T5161] gfs2_get_tree+0x58/0x1b8 [ 61.865285][ T5161] vfs_get_tree+0x90/0x278 [ 61.866059][ T5161] do_new_mount+0x228/0x804 [ 61.866949][ T5161] path_mount+0x57c/0xfe8 [ 61.867814][ T5161] __arm64_sys_mount+0x488/0x5f8 [ 61.868736][ T5161] invoke_syscall+0x98/0x28c [ 61.869560][ T5161] el0_svc_common+0x13c/0x258 [ 61.870389][ T5161] do_el0_svc+0x5c/0x140 [ 61.871157][ T5161] el0_svc+0x78/0x1d0 [ 61.871885][ T5161] el0t_64_sync_handler+0xcc/0xe4 [ 61.872702][ T5161] el0t_64_sync+0x1a0/0x1a4 [ 61.874058][ T5161] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.876196][ T5161] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 61.896968][ T5165] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 61.898099][ T5165] CPU: 0 PID: 5165 Comm: syz.4.48 Not tainted syzkaller #0 [ 61.899236][ T5165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 61.900774][ T5165] Call trace: [ 61.901242][ T5165] dump_backtrace+0x0/0x458 [ 61.901881][ T5165] show_stack+0x2c/0x3c [ 61.902501][ T5165] __dump_stack+0x30/0x40 [ 61.903212][ T5165] dump_stack_lvl+0xf4/0x15c [ 61.903997][ T5165] dump_stack+0x1c/0x5c [ 61.904734][ T5165] sysfs_create_dir_ns+0x244/0x264 [ 61.905634][ T5165] kobject_add_internal+0x594/0xc2c [ 61.906506][ T5165] kobject_init_and_add+0x128/0x194 [ 61.907397][ T5165] gfs2_sys_fs_add+0x208/0x428 [ 61.908149][ T5165] gfs2_fill_super+0xe20/0x1a9c [ 61.908994][ T5165] get_tree_bdev+0x35c/0x54c [ 61.909781][ T5165] gfs2_get_tree+0x58/0x1b8 [ 61.910573][ T5165] vfs_get_tree+0x90/0x278 [ 61.911286][ T5165] do_new_mount+0x228/0x804 [ 61.912035][ T5165] path_mount+0x57c/0xfe8 [ 61.912726][ T5165] __arm64_sys_mount+0x488/0x5f8 [ 61.913577][ T5165] invoke_syscall+0x98/0x28c [ 61.914301][ T5165] el0_svc_common+0x13c/0x258 [ 61.915062][ T5165] do_el0_svc+0x5c/0x140 [ 61.915734][ T5165] el0_svc+0x78/0x1d0 [ 61.916363][ T5165] el0t_64_sync_handler+0xcc/0xe4 [ 61.917182][ T5165] el0t_64_sync+0x1a0/0x1a4 [ 61.918512][ T5165] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 61.920517][ T5165] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.173873][ T5165] set_capacity_and_notify: 35 callbacks suppressed [ 62.173882][ T5165] loop4: detected capacity change from 0 to 32768 [ 62.203965][ T5171] loop1: detected capacity change from 0 to 32768 [ 62.206964][ T5167] loop2: detected capacity change from 0 to 32768 [ 62.210309][ T5169] loop3: detected capacity change from 0 to 32768 [ 62.247975][ T5167] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.249236][ T5165] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.250527][ T5165] CPU: 1 PID: 5165 Comm: syz.4.48 Not tainted syzkaller #0 [ 62.251591][ T5165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 62.253434][ T5165] Call trace: [ 62.254003][ T5165] dump_backtrace+0x0/0x458 [ 62.254829][ T5165] show_stack+0x2c/0x3c [ 62.255285][ T5169] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.255556][ T5165] __dump_stack+0x30/0x40 [ 62.257513][ T5165] dump_stack_lvl+0xf4/0x15c [ 62.258352][ T5165] dump_stack+0x1c/0x5c [ 62.259177][ T5165] sysfs_create_dir_ns+0x244/0x264 [ 62.260202][ T5165] kobject_add_internal+0x594/0xc2c [ 62.261251][ T5165] kobject_init_and_add+0x128/0x194 [ 62.262313][ T5165] gfs2_sys_fs_add+0x208/0x428 [ 62.263273][ T5165] gfs2_fill_super+0xe20/0x1a9c [ 62.264161][ T5165] get_tree_bdev+0x35c/0x54c [ 62.264986][ T5165] gfs2_get_tree+0x58/0x1b8 [ 62.265815][ T5165] vfs_get_tree+0x90/0x278 [ 62.266707][ T5165] do_new_mount+0x228/0x804 [ 62.267617][ T5165] path_mount+0x57c/0xfe8 [ 62.268415][ T5165] __arm64_sys_mount+0x488/0x5f8 [ 62.269265][ T5165] invoke_syscall+0x98/0x28c [ 62.270046][ T5165] el0_svc_common+0x13c/0x258 [ 62.270816][ T5165] do_el0_svc+0x5c/0x140 [ 62.271634][ T5165] el0_svc+0x78/0x1d0 [ 62.272374][ T5165] el0t_64_sync_handler+0xcc/0xe4 [ 62.273314][ T5165] el0t_64_sync+0x1a0/0x1a4 [ 62.274081][ T5169] CPU: 0 PID: 5169 Comm: syz.3.51 Not tainted syzkaller #0 [ 62.275361][ T5169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 62.277142][ T5169] Call trace: [ 62.277684][ T5169] dump_backtrace+0x0/0x458 [ 62.278404][ T5169] show_stack+0x2c/0x3c [ 62.279091][ T5169] __dump_stack+0x30/0x40 [ 62.279829][ T5169] dump_stack_lvl+0xf4/0x15c [ 62.280653][ T5169] dump_stack+0x1c/0x5c [ 62.281344][ T5169] sysfs_create_dir_ns+0x244/0x264 [ 62.282181][ T5169] kobject_add_internal+0x594/0xc2c [ 62.283040][ T5169] kobject_init_and_add+0x128/0x194 [ 62.283903][ T5169] gfs2_sys_fs_add+0x208/0x428 [ 62.284725][ T5169] gfs2_fill_super+0xe20/0x1a9c [ 62.285530][ T5169] get_tree_bdev+0x35c/0x54c [ 62.286302][ T5169] gfs2_get_tree+0x58/0x1b8 [ 62.286429][ T5171] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.287059][ T5169] vfs_get_tree+0x90/0x278 [ 62.288983][ T5169] do_new_mount+0x228/0x804 [ 62.289744][ T5169] path_mount+0x57c/0xfe8 [ 62.290458][ T5169] __arm64_sys_mount+0x488/0x5f8 [ 62.291309][ T5169] invoke_syscall+0x98/0x28c [ 62.292067][ T5169] el0_svc_common+0x13c/0x258 [ 62.292827][ T5169] do_el0_svc+0x5c/0x140 [ 62.293530][ T5169] el0_svc+0x78/0x1d0 [ 62.294198][ T5169] el0t_64_sync_handler+0xcc/0xe4 [ 62.295056][ T5169] el0t_64_sync+0x1a0/0x1a4 [ 62.295878][ T5171] CPU: 1 PID: 5171 Comm: syz.1.50 Not tainted syzkaller #0 [ 62.297068][ T5171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 62.298796][ T5171] Call trace: [ 62.299349][ T5171] dump_backtrace+0x0/0x458 [ 62.300118][ T5171] show_stack+0x2c/0x3c [ 62.300830][ T5171] __dump_stack+0x30/0x40 [ 62.301605][ T5171] dump_stack_lvl+0xf4/0x15c [ 62.302377][ T5171] dump_stack+0x1c/0x5c [ 62.303071][ T5171] sysfs_create_dir_ns+0x244/0x264 [ 62.303908][ T5171] kobject_add_internal+0x594/0xc2c [ 62.304798][ T5171] kobject_init_and_add+0x128/0x194 [ 62.305634][ T5171] gfs2_sys_fs_add+0x208/0x428 [ 62.306419][ T5171] gfs2_fill_super+0xe20/0x1a9c [ 62.307197][ T5171] get_tree_bdev+0x35c/0x54c [ 62.307956][ T5171] gfs2_get_tree+0x58/0x1b8 [ 62.308697][ T5171] vfs_get_tree+0x90/0x278 [ 62.309393][ T5171] do_new_mount+0x228/0x804 [ 62.310138][ T5171] path_mount+0x57c/0xfe8 [ 62.310842][ T5171] __arm64_sys_mount+0x488/0x5f8 [ 62.311650][ T5171] invoke_syscall+0x98/0x28c [ 62.312415][ T5171] el0_svc_common+0x13c/0x258 [ 62.313181][ T5171] do_el0_svc+0x5c/0x140 [ 62.313915][ T5171] el0_svc+0x78/0x1d0 [ 62.314586][ T5171] el0t_64_sync_handler+0xcc/0xe4 [ 62.315447][ T5171] el0t_64_sync+0x1a0/0x1a4 [ 62.316269][ T5167] CPU: 1 PID: 5167 Comm: syz.2.49 Not tainted syzkaller #0 [ 62.317450][ T5167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 62.319074][ T5167] Call trace: [ 62.319608][ T5167] dump_backtrace+0x0/0x458 [ 62.320351][ T5167] show_stack+0x2c/0x3c [ 62.321032][ T5167] __dump_stack+0x30/0x40 [ 62.321760][ T5167] dump_stack_lvl+0xf4/0x15c [ 62.322550][ T5167] dump_stack+0x1c/0x5c [ 62.323291][ T5167] sysfs_create_dir_ns+0x244/0x264 [ 62.324190][ T5167] kobject_add_internal+0x594/0xc2c [ 62.325061][ T5167] kobject_init_and_add+0x128/0x194 [ 62.325970][ T5167] gfs2_sys_fs_add+0x208/0x428 [ 62.326824][ T5167] gfs2_fill_super+0xe20/0x1a9c [ 62.327603][ T5167] get_tree_bdev+0x35c/0x54c [ 62.328376][ T5167] gfs2_get_tree+0x58/0x1b8 [ 62.329136][ T5167] vfs_get_tree+0x90/0x278 [ 62.329547][ T5169] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.329932][ T5167] do_new_mount+0x228/0x804 [ 62.331990][ T5169] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.332712][ T5167] path_mount+0x57c/0xfe8 [ 62.334483][ T5167] __arm64_sys_mount+0x488/0x5f8 [ 62.335304][ T5167] invoke_syscall+0x98/0x28c [ 62.336058][ T5167] el0_svc_common+0x13c/0x258 [ 62.336809][ T5167] do_el0_svc+0x5c/0x140 [ 62.337526][ T5167] el0_svc+0x78/0x1d0 [ 62.338219][ T5167] el0t_64_sync_handler+0xcc/0xe4 [ 62.339214][ T5167] el0t_64_sync+0x1a0/0x1a4 [ 62.341053][ T5165] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.343149][ T5165] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.345767][ T5171] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.348001][ T5171] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.349275][ T5167] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.356425][ T5167] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.514911][ T5173] loop4: detected capacity change from 0 to 32768 [ 62.524620][ T5169] loop3: detected capacity change from 0 to 32768 [ 62.567305][ T5169] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.568636][ T5169] CPU: 0 PID: 5169 Comm: syz.3.51 Not tainted syzkaller #0 [ 62.569958][ T5169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 62.571737][ T5169] Call trace: [ 62.572285][ T5169] dump_backtrace+0x0/0x458 [ 62.573028][ T5169] show_stack+0x2c/0x3c [ 62.573768][ T5169] __dump_stack+0x30/0x40 [ 62.573786][ T5167] loop2: detected capacity change from 0 to 32768 [ 62.574448][ T5169] dump_stack_lvl+0xf4/0x15c [ 62.576269][ T5169] dump_stack+0x1c/0x5c [ 62.576949][ T5169] sysfs_create_dir_ns+0x244/0x264 [ 62.577797][ T5169] kobject_add_internal+0x594/0xc2c [ 62.578724][ T5169] kobject_init_and_add+0x128/0x194 [ 62.579589][ T5169] gfs2_sys_fs_add+0x208/0x428 [ 62.580392][ T5169] gfs2_fill_super+0xe20/0x1a9c [ 62.581237][ T5169] get_tree_bdev+0x35c/0x54c [ 62.581996][ T5169] gfs2_get_tree+0x58/0x1b8 [ 62.582741][ T5169] vfs_get_tree+0x90/0x278 [ 62.583527][ T5169] do_new_mount+0x228/0x804 [ 62.584321][ T5169] path_mount+0x57c/0xfe8 [ 62.585084][ T5169] __arm64_sys_mount+0x488/0x5f8 [ 62.585943][ T5169] invoke_syscall+0x98/0x28c [ 62.586722][ T5169] el0_svc_common+0x13c/0x258 [ 62.587569][ T5169] do_el0_svc+0x5c/0x140 [ 62.588297][ T5169] el0_svc+0x78/0x1d0 [ 62.588978][ T5169] el0t_64_sync_handler+0xcc/0xe4 [ 62.589846][ T5169] el0t_64_sync+0x1a0/0x1a4 [ 62.594509][ T5169] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.596802][ T5169] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.612410][ T5173] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.613743][ T5173] CPU: 1 PID: 5173 Comm: syz.4.52 Not tainted syzkaller #0 [ 62.614926][ T5173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 62.616501][ T5173] Call trace: [ 62.617035][ T5173] dump_backtrace+0x0/0x458 [ 62.617775][ T5173] show_stack+0x2c/0x3c [ 62.618507][ T5173] __dump_stack+0x30/0x40 [ 62.619001][ T5171] loop1: detected capacity change from 0 to 32768 [ 62.619230][ T5173] dump_stack_lvl+0xf4/0x15c [ 62.621216][ T5173] dump_stack+0x1c/0x5c [ 62.621966][ T5173] sysfs_create_dir_ns+0x244/0x264 [ 62.622893][ T5173] kobject_add_internal+0x594/0xc2c [ 62.623802][ T5173] kobject_init_and_add+0x128/0x194 [ 62.624684][ T5173] gfs2_sys_fs_add+0x208/0x428 [ 62.625486][ T5173] gfs2_fill_super+0xe20/0x1a9c [ 62.626354][ T5173] get_tree_bdev+0x35c/0x54c [ 62.627137][ T5173] gfs2_get_tree+0x58/0x1b8 [ 62.627919][ T5173] vfs_get_tree+0x90/0x278 [ 62.628650][ T5173] do_new_mount+0x228/0x804 [ 62.629375][ T5173] path_mount+0x57c/0xfe8 [ 62.630105][ T5173] __arm64_sys_mount+0x488/0x5f8 [ 62.630938][ T5173] invoke_syscall+0x98/0x28c [ 62.631721][ T5173] el0_svc_common+0x13c/0x258 [ 62.632530][ T5173] do_el0_svc+0x5c/0x140 [ 62.633253][ T5173] el0_svc+0x78/0x1d0 [ 62.633954][ T5173] el0t_64_sync_handler+0xcc/0xe4 [ 62.634803][ T5173] el0t_64_sync+0x1a0/0x1a4 [ 62.635719][ T5173] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.638842][ T5167] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.639131][ T5173] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.640098][ T5167] CPU: 1 PID: 5167 Comm: syz.2.49 Not tainted syzkaller #0 [ 62.642339][ T5167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 62.643972][ T5167] Call trace: [ 62.644481][ T5167] dump_backtrace+0x0/0x458 [ 62.645209][ T5167] show_stack+0x2c/0x3c [ 62.645854][ T5167] __dump_stack+0x30/0x40 [ 62.646551][ T5167] dump_stack_lvl+0xf4/0x15c [ 62.647370][ T5167] dump_stack+0x1c/0x5c [ 62.648008][ T5167] sysfs_create_dir_ns+0x244/0x264 [ 62.648858][ T5167] kobject_add_internal+0x594/0xc2c [ 62.649776][ T5167] kobject_init_and_add+0x128/0x194 [ 62.650631][ T5167] gfs2_sys_fs_add+0x208/0x428 [ 62.651429][ T5167] gfs2_fill_super+0xe20/0x1a9c [ 62.652265][ T5167] get_tree_bdev+0x35c/0x54c [ 62.653041][ T5167] gfs2_get_tree+0x58/0x1b8 [ 62.653812][ T5167] vfs_get_tree+0x90/0x278 [ 62.654548][ T5167] do_new_mount+0x228/0x804 [ 62.655315][ T5167] path_mount+0x57c/0xfe8 [ 62.656074][ T5167] __arm64_sys_mount+0x488/0x5f8 [ 62.656920][ T5167] invoke_syscall+0x98/0x28c [ 62.657657][ T5167] el0_svc_common+0x13c/0x258 [ 62.658463][ T5167] do_el0_svc+0x5c/0x140 [ 62.659198][ T5167] el0_svc+0x78/0x1d0 [ 62.659873][ T5167] el0t_64_sync_handler+0xcc/0xe4 [ 62.660723][ T5167] el0t_64_sync+0x1a0/0x1a4 [ 62.661728][ T5167] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.663819][ T5167] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.668799][ T5171] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.669997][ T5171] CPU: 1 PID: 5171 Comm: syz.1.50 Not tainted syzkaller #0 [ 62.671095][ T5171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 62.672776][ T5171] Call trace: [ 62.673289][ T5171] dump_backtrace+0x0/0x458 [ 62.674076][ T5171] show_stack+0x2c/0x3c [ 62.674768][ T5171] __dump_stack+0x30/0x40 [ 62.675519][ T5171] dump_stack_lvl+0xf4/0x15c [ 62.676327][ T5171] dump_stack+0x1c/0x5c [ 62.676992][ T5171] sysfs_create_dir_ns+0x244/0x264 [ 62.677832][ T5171] kobject_add_internal+0x594/0xc2c [ 62.678712][ T5171] kobject_init_and_add+0x128/0x194 [ 62.679584][ T5171] gfs2_sys_fs_add+0x208/0x428 [ 62.680363][ T5171] gfs2_fill_super+0xe20/0x1a9c [ 62.681151][ T5171] get_tree_bdev+0x35c/0x54c [ 62.681852][ T5171] gfs2_get_tree+0x58/0x1b8 [ 62.682582][ T5171] vfs_get_tree+0x90/0x278 [ 62.683312][ T5171] do_new_mount+0x228/0x804 [ 62.684086][ T5171] path_mount+0x57c/0xfe8 [ 62.684839][ T5171] __arm64_sys_mount+0x488/0x5f8 [ 62.685702][ T5171] invoke_syscall+0x98/0x28c [ 62.686508][ T5171] el0_svc_common+0x13c/0x258 [ 62.687300][ T5171] do_el0_svc+0x5c/0x140 [ 62.688004][ T5171] el0_svc+0x78/0x1d0 [ 62.688684][ T5171] el0t_64_sync_handler+0xcc/0xe4 [ 62.689526][ T5171] el0t_64_sync+0x1a0/0x1a4 [ 62.691135][ T5171] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.693318][ T5171] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 62.906188][ T5173] loop4: detected capacity change from 0 to 32768 [ 62.954748][ T5179] loop1: detected capacity change from 0 to 32768 [ 62.963852][ T5173] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 62.965294][ T5173] CPU: 0 PID: 5173 Comm: syz.4.52 Not tainted syzkaller #0 [ 62.966540][ T5173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 62.968524][ T5173] Call trace: [ 62.969185][ T5173] dump_backtrace+0x0/0x458 [ 62.970093][ T5173] show_stack+0x2c/0x3c [ 62.970882][ T5173] __dump_stack+0x30/0x40 [ 62.971676][ T5173] dump_stack_lvl+0xf4/0x15c [ 62.972487][ T5173] dump_stack+0x1c/0x5c [ 62.973189][ T5173] sysfs_create_dir_ns+0x244/0x264 [ 62.974038][ T5173] kobject_add_internal+0x594/0xc2c [ 62.974955][ T5173] kobject_init_and_add+0x128/0x194 [ 62.975776][ T5173] gfs2_sys_fs_add+0x208/0x428 [ 62.976584][ T5173] gfs2_fill_super+0xe20/0x1a9c [ 62.977374][ T5173] get_tree_bdev+0x35c/0x54c [ 62.978145][ T5173] gfs2_get_tree+0x58/0x1b8 [ 62.978928][ T5173] vfs_get_tree+0x90/0x278 [ 62.979684][ T5173] do_new_mount+0x228/0x804 [ 62.980463][ T5173] path_mount+0x57c/0xfe8 [ 62.981176][ T5173] __arm64_sys_mount+0x488/0x5f8 [ 62.982019][ T5173] invoke_syscall+0x98/0x28c [ 62.982804][ T5173] el0_svc_common+0x13c/0x258 [ 62.983570][ T5173] do_el0_svc+0x5c/0x140 [ 62.984281][ T5173] el0_svc+0x78/0x1d0 [ 62.984935][ T5173] el0t_64_sync_handler+0xcc/0xe4 [ 62.985765][ T5173] el0t_64_sync+0x1a0/0x1a4 [ 62.990605][ T5173] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 62.993548][ T5173] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.016983][ T5179] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.018200][ T5179] CPU: 0 PID: 5179 Comm: syz.1.55 Not tainted syzkaller #0 [ 63.019443][ T5179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 63.021218][ T5179] Call trace: [ 63.021757][ T5179] dump_backtrace+0x0/0x458 [ 63.022113][ T5175] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.022551][ T5179] show_stack+0x2c/0x3c [ 63.024562][ T5179] __dump_stack+0x30/0x40 [ 63.025395][ T5179] dump_stack_lvl+0xf4/0x15c [ 63.026254][ T5179] dump_stack+0x1c/0x5c [ 63.027001][ T5179] sysfs_create_dir_ns+0x244/0x264 [ 63.027888][ T5179] kobject_add_internal+0x594/0xc2c [ 63.028763][ T5179] kobject_init_and_add+0x128/0x194 [ 63.029694][ T5179] gfs2_sys_fs_add+0x208/0x428 [ 63.030529][ T5179] gfs2_fill_super+0xe20/0x1a9c [ 63.031354][ T5179] get_tree_bdev+0x35c/0x54c [ 63.032137][ T5179] gfs2_get_tree+0x58/0x1b8 [ 63.032923][ T5179] vfs_get_tree+0x90/0x278 [ 63.033679][ T5179] do_new_mount+0x228/0x804 [ 63.034430][ T5179] path_mount+0x57c/0xfe8 [ 63.035192][ T5179] __arm64_sys_mount+0x488/0x5f8 [ 63.036102][ T5179] invoke_syscall+0x98/0x28c [ 63.036864][ T5179] el0_svc_common+0x13c/0x258 [ 63.037633][ T5179] do_el0_svc+0x5c/0x140 [ 63.038336][ T5179] el0_svc+0x78/0x1d0 [ 63.038998][ T5179] el0t_64_sync_handler+0xcc/0xe4 [ 63.039849][ T5179] el0t_64_sync+0x1a0/0x1a4 [ 63.047584][ T5175] CPU: 1 PID: 5175 Comm: syz.3.53 Not tainted syzkaller #0 [ 63.048804][ T5175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 63.050560][ T5175] Call trace: [ 63.051135][ T5175] dump_backtrace+0x0/0x458 [ 63.051989][ T5175] show_stack+0x2c/0x3c [ 63.052773][ T5175] __dump_stack+0x30/0x40 [ 63.053553][ T5175] dump_stack_lvl+0xf4/0x15c [ 63.054337][ T5175] dump_stack+0x1c/0x5c [ 63.055033][ T5175] sysfs_create_dir_ns+0x244/0x264 [ 63.055997][ T5175] kobject_add_internal+0x594/0xc2c [ 63.057007][ T5175] kobject_init_and_add+0x128/0x194 [ 63.058028][ T5175] gfs2_sys_fs_add+0x208/0x428 [ 63.058961][ T5175] gfs2_fill_super+0xe20/0x1a9c [ 63.059862][ T5175] get_tree_bdev+0x35c/0x54c [ 63.060685][ T5175] gfs2_get_tree+0x58/0x1b8 [ 63.061491][ T5175] vfs_get_tree+0x90/0x278 [ 63.062279][ T5175] do_new_mount+0x228/0x804 [ 63.063117][ T5175] path_mount+0x57c/0xfe8 [ 63.063899][ T5175] __arm64_sys_mount+0x488/0x5f8 [ 63.064801][ T5175] invoke_syscall+0x98/0x28c [ 63.065662][ T5175] el0_svc_common+0x13c/0x258 [ 63.066582][ T5175] do_el0_svc+0x5c/0x140 [ 63.067362][ T5175] el0_svc+0x78/0x1d0 [ 63.068083][ T5175] el0t_64_sync_handler+0xcc/0xe4 [ 63.068940][ T5175] el0t_64_sync+0x1a0/0x1a4 [ 63.071332][ T5179] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.073575][ T5179] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.073611][ T5177] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.075852][ T5177] CPU: 1 PID: 5177 Comm: syz.2.54 Not tainted syzkaller #0 [ 63.077206][ T5177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 63.078917][ T5177] Call trace: [ 63.079459][ T5177] dump_backtrace+0x0/0x458 [ 63.080226][ T5177] show_stack+0x2c/0x3c [ 63.080906][ T5177] __dump_stack+0x30/0x40 [ 63.081617][ T5177] dump_stack_lvl+0xf4/0x15c [ 63.082375][ T5177] dump_stack+0x1c/0x5c [ 63.083094][ T5177] sysfs_create_dir_ns+0x244/0x264 [ 63.083952][ T5177] kobject_add_internal+0x594/0xc2c [ 63.084820][ T5177] kobject_init_and_add+0x128/0x194 [ 63.085722][ T5177] gfs2_sys_fs_add+0x208/0x428 [ 63.086483][ T5177] gfs2_fill_super+0xe20/0x1a9c [ 63.087400][ T5177] get_tree_bdev+0x35c/0x54c [ 63.088283][ T5177] gfs2_get_tree+0x58/0x1b8 [ 63.089105][ T5177] vfs_get_tree+0x90/0x278 [ 63.089904][ T5177] do_new_mount+0x228/0x804 [ 63.090721][ T5177] path_mount+0x57c/0xfe8 [ 63.091506][ T5177] __arm64_sys_mount+0x488/0x5f8 [ 63.092399][ T5177] invoke_syscall+0x98/0x28c [ 63.093240][ T5177] el0_svc_common+0x13c/0x258 [ 63.094103][ T5177] do_el0_svc+0x5c/0x140 [ 63.094876][ T5177] el0_svc+0x78/0x1d0 [ 63.095605][ T5177] el0t_64_sync_handler+0xcc/0xe4 [ 63.096507][ T5177] el0t_64_sync+0x1a0/0x1a4 [ 63.099551][ T5177] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.101524][ T5177] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.102828][ T5175] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.107247][ T5175] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.306461][ T5181] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.307791][ T5181] CPU: 0 PID: 5181 Comm: syz.4.56 Not tainted syzkaller #0 [ 63.309054][ T5181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 63.310893][ T5181] Call trace: [ 63.311472][ T5181] dump_backtrace+0x0/0x458 [ 63.312243][ T5181] show_stack+0x2c/0x3c [ 63.312961][ T5181] __dump_stack+0x30/0x40 [ 63.313708][ T5181] dump_stack_lvl+0xf4/0x15c [ 63.314546][ T5181] dump_stack+0x1c/0x5c [ 63.315231][ T5181] sysfs_create_dir_ns+0x244/0x264 [ 63.316115][ T5181] kobject_add_internal+0x594/0xc2c [ 63.316940][ T5181] kobject_init_and_add+0x128/0x194 [ 63.317799][ T5181] gfs2_sys_fs_add+0x208/0x428 [ 63.318588][ T5181] gfs2_fill_super+0xe20/0x1a9c [ 63.319472][ T5181] get_tree_bdev+0x35c/0x54c [ 63.320317][ T5181] gfs2_get_tree+0x58/0x1b8 [ 63.321163][ T5181] vfs_get_tree+0x90/0x278 [ 63.321918][ T5181] do_new_mount+0x228/0x804 [ 63.322706][ T5181] path_mount+0x57c/0xfe8 [ 63.323481][ T5181] __arm64_sys_mount+0x488/0x5f8 [ 63.324348][ T5181] invoke_syscall+0x98/0x28c [ 63.325123][ T5181] el0_svc_common+0x13c/0x258 [ 63.326033][ T5181] do_el0_svc+0x5c/0x140 [ 63.326742][ T5181] el0_svc+0x78/0x1d0 [ 63.327410][ T5181] el0t_64_sync_handler+0xcc/0xe4 [ 63.328284][ T5181] el0t_64_sync+0x1a0/0x1a4 [ 63.331039][ T5175] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.332286][ T5175] CPU: 1 PID: 5175 Comm: syz.3.53 Not tainted syzkaller #0 [ 63.333411][ T5175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 63.334960][ T5175] Call trace: [ 63.335456][ T5175] dump_backtrace+0x0/0x458 [ 63.336363][ T5175] show_stack+0x2c/0x3c [ 63.337214][ T5175] __dump_stack+0x30/0x40 [ 63.338095][ T5175] dump_stack_lvl+0xf4/0x15c [ 63.338977][ T5175] dump_stack+0x1c/0x5c [ 63.339795][ T5175] sysfs_create_dir_ns+0x244/0x264 [ 63.340805][ T5175] kobject_add_internal+0x594/0xc2c [ 63.341815][ T5175] kobject_init_and_add+0x128/0x194 [ 63.342809][ T5175] gfs2_sys_fs_add+0x208/0x428 [ 63.343729][ T5181] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.343735][ T5175] gfs2_fill_super+0xe20/0x1a9c [ 63.345833][ T5181] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.346688][ T5175] get_tree_bdev+0x35c/0x54c [ 63.346703][ T5175] gfs2_get_tree+0x58/0x1b8 [ 63.346709][ T5175] vfs_get_tree+0x90/0x278 [ 63.346714][ T5175] do_new_mount+0x228/0x804 [ 63.346719][ T5175] path_mount+0x57c/0xfe8 [ 63.351498][ T5175] __arm64_sys_mount+0x488/0x5f8 [ 63.352344][ T5175] invoke_syscall+0x98/0x28c [ 63.353121][ T5175] el0_svc_common+0x13c/0x258 [ 63.353895][ T5175] do_el0_svc+0x5c/0x140 [ 63.354605][ T5175] el0_svc+0x78/0x1d0 [ 63.355405][ T5175] el0t_64_sync_handler+0xcc/0xe4 [ 63.356375][ T5175] el0t_64_sync+0x1a0/0x1a4 [ 63.359398][ T5175] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.361787][ T5175] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.367767][ T5177] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.369075][ T5177] CPU: 1 PID: 5177 Comm: syz.2.54 Not tainted syzkaller #0 [ 63.370348][ T5177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 63.372009][ T5177] Call trace: [ 63.372508][ T5177] dump_backtrace+0x0/0x458 [ 63.373200][ T5177] show_stack+0x2c/0x3c [ 63.373845][ T5177] __dump_stack+0x30/0x40 [ 63.374546][ T5177] dump_stack_lvl+0xf4/0x15c [ 63.375303][ T5177] dump_stack+0x1c/0x5c [ 63.375999][ T5177] sysfs_create_dir_ns+0x244/0x264 [ 63.376893][ T5177] kobject_add_internal+0x594/0xc2c [ 63.377810][ T5177] kobject_init_and_add+0x128/0x194 [ 63.378738][ T5177] gfs2_sys_fs_add+0x208/0x428 [ 63.379622][ T5177] gfs2_fill_super+0xe20/0x1a9c [ 63.380411][ T5177] get_tree_bdev+0x35c/0x54c [ 63.381187][ T5177] gfs2_get_tree+0x58/0x1b8 [ 63.381941][ T5177] vfs_get_tree+0x90/0x278 [ 63.382676][ T5177] do_new_mount+0x228/0x804 [ 63.383436][ T5177] path_mount+0x57c/0xfe8 [ 63.384186][ T5177] __arm64_sys_mount+0x488/0x5f8 [ 63.385031][ T5177] invoke_syscall+0x98/0x28c [ 63.385827][ T5177] el0_svc_common+0x13c/0x258 [ 63.386645][ T5177] do_el0_svc+0x5c/0x140 [ 63.387372][ T5177] el0_svc+0x78/0x1d0 [ 63.388058][ T5177] el0t_64_sync_handler+0xcc/0xe4 [ 63.388916][ T5177] el0t_64_sync+0x1a0/0x1a4 [ 63.400396][ T5177] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.402969][ T5177] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.416895][ T5179] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.418162][ T5179] CPU: 0 PID: 5179 Comm: syz.1.55 Not tainted syzkaller #0 [ 63.419323][ T5179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 63.421113][ T5179] Call trace: [ 63.421694][ T5179] dump_backtrace+0x0/0x458 [ 63.422497][ T5179] show_stack+0x2c/0x3c [ 63.423225][ T5179] __dump_stack+0x30/0x40 [ 63.424110][ T5179] dump_stack_lvl+0xf4/0x15c [ 63.424950][ T5179] dump_stack+0x1c/0x5c [ 63.425619][ T5179] sysfs_create_dir_ns+0x244/0x264 [ 63.426405][ T5179] kobject_add_internal+0x594/0xc2c [ 63.427242][ T5179] kobject_init_and_add+0x128/0x194 [ 63.428096][ T5179] gfs2_sys_fs_add+0x208/0x428 [ 63.428898][ T5179] gfs2_fill_super+0xe20/0x1a9c [ 63.429696][ T5179] get_tree_bdev+0x35c/0x54c [ 63.430602][ T5179] gfs2_get_tree+0x58/0x1b8 [ 63.431496][ T5179] vfs_get_tree+0x90/0x278 [ 63.432381][ T5179] do_new_mount+0x228/0x804 [ 63.433223][ T5179] path_mount+0x57c/0xfe8 [ 63.434021][ T5179] __arm64_sys_mount+0x488/0x5f8 [ 63.434928][ T5179] invoke_syscall+0x98/0x28c [ 63.435783][ T5179] el0_svc_common+0x13c/0x258 [ 63.436561][ T5179] do_el0_svc+0x5c/0x140 [ 63.437397][ T5179] el0_svc+0x78/0x1d0 [ 63.438179][ T5179] el0t_64_sync_handler+0xcc/0xe4 [ 63.439162][ T5179] el0t_64_sync+0x1a0/0x1a4 [ 63.490766][ T5179] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.500851][ T5179] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.566975][ T5181] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.568236][ T5181] CPU: 1 PID: 5181 Comm: syz.4.56 Not tainted syzkaller #0 [ 63.569508][ T5181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 63.571417][ T5181] Call trace: [ 63.572037][ T5181] dump_backtrace+0x0/0x458 [ 63.572868][ T5181] show_stack+0x2c/0x3c [ 63.573630][ T5181] __dump_stack+0x30/0x40 [ 63.574423][ T5181] dump_stack_lvl+0xf4/0x15c [ 63.575315][ T5181] dump_stack+0x1c/0x5c [ 63.576081][ T5181] sysfs_create_dir_ns+0x244/0x264 [ 63.576930][ T5181] kobject_add_internal+0x594/0xc2c [ 63.577775][ T5181] kobject_init_and_add+0x128/0x194 [ 63.578696][ T5181] gfs2_sys_fs_add+0x208/0x428 [ 63.579531][ T5181] gfs2_fill_super+0xe20/0x1a9c [ 63.580361][ T5181] get_tree_bdev+0x35c/0x54c [ 63.581126][ T5181] gfs2_get_tree+0x58/0x1b8 [ 63.581962][ T5181] vfs_get_tree+0x90/0x278 [ 63.582720][ T5181] do_new_mount+0x228/0x804 [ 63.583463][ T5181] path_mount+0x57c/0xfe8 [ 63.584158][ T5181] __arm64_sys_mount+0x488/0x5f8 [ 63.584941][ T5181] invoke_syscall+0x98/0x28c [ 63.585721][ T5181] el0_svc_common+0x13c/0x258 [ 63.586457][ T5181] do_el0_svc+0x5c/0x140 [ 63.587285][ T5181] el0_svc+0x78/0x1d0 [ 63.588061][ T5181] el0t_64_sync_handler+0xcc/0xe4 [ 63.588987][ T5181] el0t_64_sync+0x1a0/0x1a4 [ 63.633152][ T5181] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.635252][ T5181] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.699439][ T5185] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.700945][ T5185] CPU: 0 PID: 5185 Comm: syz.3.57 Not tainted syzkaller #0 [ 63.702248][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 63.704121][ T5185] Call trace: [ 63.704769][ T5185] dump_backtrace+0x0/0x458 [ 63.705645][ T5185] show_stack+0x2c/0x3c [ 63.706452][ T5185] __dump_stack+0x30/0x40 [ 63.706925][ T5184] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.707293][ T5185] dump_stack_lvl+0xf4/0x15c [ 63.709464][ T5185] dump_stack+0x1c/0x5c [ 63.710185][ T5185] sysfs_create_dir_ns+0x244/0x264 [ 63.711090][ T5185] kobject_add_internal+0x594/0xc2c [ 63.712014][ T5185] kobject_init_and_add+0x128/0x194 [ 63.712873][ T5185] gfs2_sys_fs_add+0x208/0x428 [ 63.713823][ T5185] gfs2_fill_super+0xe20/0x1a9c [ 63.714740][ T5185] get_tree_bdev+0x35c/0x54c [ 63.715639][ T5185] gfs2_get_tree+0x58/0x1b8 [ 63.716503][ T5185] vfs_get_tree+0x90/0x278 [ 63.717295][ T5185] do_new_mount+0x228/0x804 [ 63.718085][ T5185] path_mount+0x57c/0xfe8 [ 63.718867][ T5185] __arm64_sys_mount+0x488/0x5f8 [ 63.719721][ T5185] invoke_syscall+0x98/0x28c [ 63.720511][ T5185] el0_svc_common+0x13c/0x258 [ 63.721304][ T5185] do_el0_svc+0x5c/0x140 [ 63.722043][ T5185] el0_svc+0x78/0x1d0 [ 63.722741][ T5185] el0t_64_sync_handler+0xcc/0xe4 [ 63.723675][ T5185] el0t_64_sync+0x1a0/0x1a4 [ 63.726974][ T5184] CPU: 1 PID: 5184 Comm: syz.2.58 Not tainted syzkaller #0 [ 63.728166][ T5184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 63.729752][ T5184] Call trace: [ 63.730243][ T5184] dump_backtrace+0x0/0x458 [ 63.730968][ T5184] show_stack+0x2c/0x3c [ 63.731608][ T5184] __dump_stack+0x30/0x40 [ 63.732334][ T5184] dump_stack_lvl+0xf4/0x15c [ 63.733119][ T5184] dump_stack+0x1c/0x5c [ 63.733803][ T5184] sysfs_create_dir_ns+0x244/0x264 [ 63.734652][ T5184] kobject_add_internal+0x594/0xc2c [ 63.735510][ T5184] kobject_init_and_add+0x128/0x194 [ 63.736374][ T5184] gfs2_sys_fs_add+0x208/0x428 [ 63.737230][ T5184] gfs2_fill_super+0xe20/0x1a9c [ 63.738069][ T5184] get_tree_bdev+0x35c/0x54c [ 63.738844][ T5184] gfs2_get_tree+0x58/0x1b8 [ 63.739571][ T5184] vfs_get_tree+0x90/0x278 [ 63.740311][ T5184] do_new_mount+0x228/0x804 [ 63.741019][ T5184] path_mount+0x57c/0xfe8 [ 63.741724][ T5184] __arm64_sys_mount+0x488/0x5f8 [ 63.742548][ T5184] invoke_syscall+0x98/0x28c [ 63.743304][ T5184] el0_svc_common+0x13c/0x258 [ 63.744120][ T5184] do_el0_svc+0x5c/0x140 [ 63.744877][ T5184] el0_svc+0x78/0x1d0 [ 63.745604][ T5184] el0t_64_sync_handler+0xcc/0xe4 [ 63.746443][ T5184] el0t_64_sync+0x1a0/0x1a4 [ 63.755691][ T5185] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.759612][ T5185] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.776536][ T5184] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.778672][ T5184] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.782039][ T5187] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.783331][ T5187] CPU: 0 PID: 5187 Comm: syz.1.59 Not tainted syzkaller #0 [ 63.784662][ T5187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 63.786494][ T5187] Call trace: [ 63.787120][ T5187] dump_backtrace+0x0/0x458 [ 63.787943][ T5187] show_stack+0x2c/0x3c [ 63.788793][ T5187] __dump_stack+0x30/0x40 [ 63.789530][ T5187] dump_stack_lvl+0xf4/0x15c [ 63.790329][ T5187] dump_stack+0x1c/0x5c [ 63.791053][ T5187] sysfs_create_dir_ns+0x244/0x264 [ 63.791923][ T5187] kobject_add_internal+0x594/0xc2c [ 63.792804][ T5187] kobject_init_and_add+0x128/0x194 [ 63.793711][ T5187] gfs2_sys_fs_add+0x208/0x428 [ 63.794529][ T5187] gfs2_fill_super+0xe20/0x1a9c [ 63.795337][ T5187] get_tree_bdev+0x35c/0x54c [ 63.796117][ T5187] gfs2_get_tree+0x58/0x1b8 [ 63.796892][ T5187] vfs_get_tree+0x90/0x278 [ 63.797674][ T5187] do_new_mount+0x228/0x804 [ 63.798464][ T5187] path_mount+0x57c/0xfe8 [ 63.799205][ T5187] __arm64_sys_mount+0x488/0x5f8 [ 63.800036][ T5187] invoke_syscall+0x98/0x28c [ 63.800799][ T5187] el0_svc_common+0x13c/0x258 [ 63.801598][ T5187] do_el0_svc+0x5c/0x140 [ 63.802337][ T5187] el0_svc+0x78/0x1d0 [ 63.803031][ T5187] el0t_64_sync_handler+0xcc/0xe4 [ 63.803899][ T5187] el0t_64_sync+0x1a0/0x1a4 [ 63.847439][ T5187] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.849792][ T5187] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.948584][ T5189] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.949905][ T5189] CPU: 1 PID: 5189 Comm: syz.4.60 Not tainted syzkaller #0 [ 63.951073][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 63.952756][ T5189] Call trace: [ 63.953296][ T5189] dump_backtrace+0x0/0x458 [ 63.954035][ T5189] show_stack+0x2c/0x3c [ 63.954747][ T5189] __dump_stack+0x30/0x40 [ 63.955507][ T5189] dump_stack_lvl+0xf4/0x15c [ 63.956265][ T5189] dump_stack+0x1c/0x5c [ 63.957083][ T5189] sysfs_create_dir_ns+0x244/0x264 [ 63.958080][ T5189] kobject_add_internal+0x594/0xc2c [ 63.959132][ T5189] kobject_init_and_add+0x128/0x194 [ 63.960180][ T5189] gfs2_sys_fs_add+0x208/0x428 [ 63.961152][ T5189] gfs2_fill_super+0xe20/0x1a9c [ 63.962122][ T5189] get_tree_bdev+0x35c/0x54c [ 63.963039][ T5189] gfs2_get_tree+0x58/0x1b8 [ 63.963943][ T5189] vfs_get_tree+0x90/0x278 [ 63.964819][ T5189] do_new_mount+0x228/0x804 [ 63.965643][ T5189] path_mount+0x57c/0xfe8 [ 63.966478][ T5189] __arm64_sys_mount+0x488/0x5f8 [ 63.967412][ T5189] invoke_syscall+0x98/0x28c [ 63.968285][ T5189] el0_svc_common+0x13c/0x258 [ 63.969176][ T5189] do_el0_svc+0x5c/0x140 [ 63.969989][ T5189] el0_svc+0x78/0x1d0 [ 63.970790][ T5189] el0t_64_sync_handler+0xcc/0xe4 [ 63.971788][ T5189] el0t_64_sync+0x1a0/0x1a4 [ 63.973302][ T5189] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 63.975364][ T5189] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 63.996944][ T5185] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 63.998253][ T5185] CPU: 0 PID: 5185 Comm: syz.3.57 Not tainted syzkaller #0 [ 63.999482][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 64.001311][ T5185] Call trace: [ 64.001849][ T5185] dump_backtrace+0x0/0x458 [ 64.002627][ T5185] show_stack+0x2c/0x3c [ 64.003272][ T5185] __dump_stack+0x30/0x40 [ 64.004051][ T5185] dump_stack_lvl+0xf4/0x15c [ 64.004783][ T5185] dump_stack+0x1c/0x5c [ 64.005444][ T5185] sysfs_create_dir_ns+0x244/0x264 [ 64.006399][ T5185] kobject_add_internal+0x594/0xc2c [ 64.007276][ T5185] kobject_init_and_add+0x128/0x194 [ 64.008156][ T5185] gfs2_sys_fs_add+0x208/0x428 [ 64.008957][ T5185] gfs2_fill_super+0xe20/0x1a9c [ 64.009779][ T5185] get_tree_bdev+0x35c/0x54c [ 64.010531][ T5185] gfs2_get_tree+0x58/0x1b8 [ 64.011272][ T5185] vfs_get_tree+0x90/0x278 [ 64.011995][ T5185] do_new_mount+0x228/0x804 [ 64.012761][ T5185] path_mount+0x57c/0xfe8 [ 64.013483][ T5185] __arm64_sys_mount+0x488/0x5f8 [ 64.014358][ T5185] invoke_syscall+0x98/0x28c [ 64.015175][ T5185] el0_svc_common+0x13c/0x258 [ 64.016037][ T5185] do_el0_svc+0x5c/0x140 [ 64.016794][ T5185] el0_svc+0x78/0x1d0 [ 64.017595][ T5185] el0t_64_sync_handler+0xcc/0xe4 [ 64.018418][ T5185] el0t_64_sync+0x1a0/0x1a4 [ 64.086614][ T5185] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.088833][ T5185] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.098995][ T5184] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.100337][ T5184] CPU: 0 PID: 5184 Comm: syz.2.58 Not tainted syzkaller #0 [ 64.101392][ T5184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 64.103043][ T5184] Call trace: [ 64.103543][ T5184] dump_backtrace+0x0/0x458 [ 64.104307][ T5184] show_stack+0x2c/0x3c [ 64.104920][ T5184] __dump_stack+0x30/0x40 [ 64.105630][ T5184] dump_stack_lvl+0xf4/0x15c [ 64.106421][ T5184] dump_stack+0x1c/0x5c [ 64.107181][ T5184] sysfs_create_dir_ns+0x244/0x264 [ 64.108075][ T5184] kobject_add_internal+0x594/0xc2c [ 64.108986][ T5184] kobject_init_and_add+0x128/0x194 [ 64.109869][ T5184] gfs2_sys_fs_add+0x208/0x428 [ 64.110685][ T5184] gfs2_fill_super+0xe20/0x1a9c [ 64.111532][ T5184] get_tree_bdev+0x35c/0x54c [ 64.112339][ T5184] gfs2_get_tree+0x58/0x1b8 [ 64.113103][ T5184] vfs_get_tree+0x90/0x278 [ 64.113840][ T5184] do_new_mount+0x228/0x804 [ 64.114603][ T5184] path_mount+0x57c/0xfe8 [ 64.115332][ T5184] __arm64_sys_mount+0x488/0x5f8 [ 64.116170][ T5184] invoke_syscall+0x98/0x28c [ 64.116916][ T5184] el0_svc_common+0x13c/0x258 [ 64.117658][ T5184] do_el0_svc+0x5c/0x140 [ 64.118346][ T5184] el0_svc+0x78/0x1d0 [ 64.118973][ T5184] el0t_64_sync_handler+0xcc/0xe4 [ 64.119789][ T5184] el0t_64_sync+0x1a0/0x1a4 [ 64.127180][ T5184] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.129211][ T5184] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.169448][ T5189] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.170770][ T5189] CPU: 1 PID: 5189 Comm: syz.4.60 Not tainted syzkaller #0 [ 64.172090][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 64.173775][ T5189] Call trace: [ 64.174296][ T5189] dump_backtrace+0x0/0x458 [ 64.175047][ T5189] show_stack+0x2c/0x3c [ 64.175730][ T5189] __dump_stack+0x30/0x40 [ 64.176444][ T5189] dump_stack_lvl+0xf4/0x15c [ 64.177236][ T5189] dump_stack+0x1c/0x5c [ 64.177899][ T5189] sysfs_create_dir_ns+0x244/0x264 [ 64.178730][ T5189] kobject_add_internal+0x594/0xc2c [ 64.179607][ T5189] kobject_init_and_add+0x128/0x194 [ 64.180463][ T5189] gfs2_sys_fs_add+0x208/0x428 [ 64.181238][ T5189] gfs2_fill_super+0xe20/0x1a9c [ 64.182065][ T5189] get_tree_bdev+0x35c/0x54c [ 64.182808][ T5189] gfs2_get_tree+0x58/0x1b8 [ 64.183622][ T5189] vfs_get_tree+0x90/0x278 [ 64.184377][ T5189] do_new_mount+0x228/0x804 [ 64.185174][ T5189] path_mount+0x57c/0xfe8 [ 64.185922][ T5189] __arm64_sys_mount+0x488/0x5f8 [ 64.186777][ T5189] invoke_syscall+0x98/0x28c [ 64.187580][ T5189] el0_svc_common+0x13c/0x258 [ 64.188370][ T5189] do_el0_svc+0x5c/0x140 [ 64.189090][ T5189] el0_svc+0x78/0x1d0 [ 64.189768][ T5189] el0t_64_sync_handler+0xcc/0xe4 [ 64.190631][ T5189] el0t_64_sync+0x1a0/0x1a4 [ 64.191880][ T5187] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.193020][ T5187] CPU: 1 PID: 5187 Comm: syz.1.59 Not tainted syzkaller #0 [ 64.194172][ T5187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 64.195814][ T5187] Call trace: [ 64.196335][ T5187] dump_backtrace+0x0/0x458 [ 64.197095][ T5187] show_stack+0x2c/0x3c [ 64.197827][ T5187] __dump_stack+0x30/0x40 [ 64.198572][ T5187] dump_stack_lvl+0xf4/0x15c [ 64.199378][ T5187] dump_stack+0x1c/0x5c [ 64.200094][ T5187] sysfs_create_dir_ns+0x244/0x264 [ 64.200937][ T5187] kobject_add_internal+0x594/0xc2c [ 64.201806][ T5187] kobject_init_and_add+0x128/0x194 [ 64.202695][ T5187] gfs2_sys_fs_add+0x208/0x428 [ 64.203511][ T5187] gfs2_fill_super+0xe20/0x1a9c [ 64.204354][ T5187] get_tree_bdev+0x35c/0x54c [ 64.205230][ T5187] gfs2_get_tree+0x58/0x1b8 [ 64.206090][ T5187] vfs_get_tree+0x90/0x278 [ 64.206940][ T5187] do_new_mount+0x228/0x804 [ 64.207750][ T5187] path_mount+0x57c/0xfe8 [ 64.208536][ T5187] __arm64_sys_mount+0x488/0x5f8 [ 64.209425][ T5187] invoke_syscall+0x98/0x28c [ 64.210278][ T5187] el0_svc_common+0x13c/0x258 [ 64.211145][ T5187] do_el0_svc+0x5c/0x140 [ 64.211938][ T5187] el0_svc+0x78/0x1d0 [ 64.212694][ T5187] el0t_64_sync_handler+0xcc/0xe4 [ 64.213641][ T5187] el0t_64_sync+0x1a0/0x1a4 [ 64.237123][ T5189] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.242841][ T5187] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.245077][ T5187] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.256522][ T5189] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.499361][ T5194] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.500757][ T5194] CPU: 0 PID: 5194 Comm: syz.3.62 Not tainted syzkaller #0 [ 64.501962][ T5194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 64.503640][ T5194] Call trace: [ 64.504197][ T5194] dump_backtrace+0x0/0x458 [ 64.504897][ T5196] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.505082][ T5194] show_stack+0x2c/0x3c [ 64.507111][ T5194] __dump_stack+0x30/0x40 [ 64.507922][ T5194] dump_stack_lvl+0xf4/0x15c [ 64.508738][ T5194] dump_stack+0x1c/0x5c [ 64.509479][ T5194] sysfs_create_dir_ns+0x244/0x264 [ 64.510403][ T5194] kobject_add_internal+0x594/0xc2c [ 64.511347][ T5194] kobject_init_and_add+0x128/0x194 [ 64.512397][ T5194] gfs2_sys_fs_add+0x208/0x428 [ 64.513296][ T5194] gfs2_fill_super+0xe20/0x1a9c [ 64.514148][ T5194] get_tree_bdev+0x35c/0x54c [ 64.514967][ T5194] gfs2_get_tree+0x58/0x1b8 [ 64.515754][ T5194] vfs_get_tree+0x90/0x278 [ 64.516507][ T5194] do_new_mount+0x228/0x804 [ 64.517279][ T5194] path_mount+0x57c/0xfe8 [ 64.518030][ T5194] __arm64_sys_mount+0x488/0x5f8 [ 64.518876][ T5194] invoke_syscall+0x98/0x28c [ 64.519645][ T5194] el0_svc_common+0x13c/0x258 [ 64.520406][ T5194] do_el0_svc+0x5c/0x140 [ 64.521130][ T5194] el0_svc+0x78/0x1d0 [ 64.521765][ T5194] el0t_64_sync_handler+0xcc/0xe4 [ 64.522605][ T5194] el0t_64_sync+0x1a0/0x1a4 [ 64.526216][ T5192] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.527578][ T5192] CPU: 0 PID: 5192 Comm: syz.2.61 Not tainted syzkaller #0 [ 64.528637][ T5192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 64.530347][ T5192] Call trace: [ 64.530898][ T5192] dump_backtrace+0x0/0x458 [ 64.531663][ T5192] show_stack+0x2c/0x3c [ 64.532343][ T5192] __dump_stack+0x30/0x40 [ 64.533098][ T5192] dump_stack_lvl+0xf4/0x15c [ 64.533832][ T5192] dump_stack+0x1c/0x5c [ 64.534552][ T5192] sysfs_create_dir_ns+0x244/0x264 [ 64.535372][ T5192] kobject_add_internal+0x594/0xc2c [ 64.536250][ T5192] kobject_init_and_add+0x128/0x194 [ 64.537130][ T5192] gfs2_sys_fs_add+0x208/0x428 [ 64.537942][ T5192] gfs2_fill_super+0xe20/0x1a9c [ 64.538804][ T5192] get_tree_bdev+0x35c/0x54c [ 64.539576][ T5192] gfs2_get_tree+0x58/0x1b8 [ 64.540388][ T5192] vfs_get_tree+0x90/0x278 [ 64.541110][ T5192] do_new_mount+0x228/0x804 [ 64.541812][ T5192] path_mount+0x57c/0xfe8 [ 64.542556][ T5192] __arm64_sys_mount+0x488/0x5f8 [ 64.543363][ T5192] invoke_syscall+0x98/0x28c [ 64.544109][ T5192] el0_svc_common+0x13c/0x258 [ 64.544903][ T5192] do_el0_svc+0x5c/0x140 [ 64.545628][ T5192] el0_svc+0x78/0x1d0 [ 64.546274][ T5192] el0t_64_sync_handler+0xcc/0xe4 [ 64.547098][ T5192] el0t_64_sync+0x1a0/0x1a4 [ 64.549420][ T5196] CPU: 1 PID: 5196 Comm: syz.4.63 Not tainted syzkaller #0 [ 64.549982][ T5192] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.550695][ T5196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 64.552720][ T5192] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.554443][ T5196] Call trace: [ 64.556029][ T5194] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.556072][ T5196] dump_backtrace+0x0/0x458 [ 64.558267][ T5194] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.558997][ T5196] show_stack+0x2c/0x3c [ 64.560736][ T5196] __dump_stack+0x30/0x40 [ 64.561439][ T5196] dump_stack_lvl+0xf4/0x15c [ 64.562218][ T5196] dump_stack+0x1c/0x5c [ 64.562896][ T5196] sysfs_create_dir_ns+0x244/0x264 [ 64.563780][ T5196] kobject_add_internal+0x594/0xc2c [ 64.564692][ T5196] kobject_init_and_add+0x128/0x194 [ 64.565731][ T5196] gfs2_sys_fs_add+0x208/0x428 [ 64.566700][ T5196] gfs2_fill_super+0xe20/0x1a9c [ 64.567551][ T5196] get_tree_bdev+0x35c/0x54c [ 64.568354][ T5196] gfs2_get_tree+0x58/0x1b8 [ 64.569137][ T5196] vfs_get_tree+0x90/0x278 [ 64.569901][ T5196] do_new_mount+0x228/0x804 [ 64.570679][ T5196] path_mount+0x57c/0xfe8 [ 64.571520][ T5196] __arm64_sys_mount+0x488/0x5f8 [ 64.572527][ T5196] invoke_syscall+0x98/0x28c [ 64.573384][ T5196] el0_svc_common+0x13c/0x258 [ 64.574233][ T5196] do_el0_svc+0x5c/0x140 [ 64.574976][ T5196] el0_svc+0x78/0x1d0 [ 64.575723][ T5196] el0t_64_sync_handler+0xcc/0xe4 [ 64.576712][ T5196] el0t_64_sync+0x1a0/0x1a4 [ 64.586638][ T5196] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.588882][ T5196] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.589273][ T5198] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.591115][ T5198] CPU: 0 PID: 5198 Comm: syz.1.64 Not tainted syzkaller #0 [ 64.592212][ T5198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 64.593770][ T5198] Call trace: [ 64.594314][ T5198] dump_backtrace+0x0/0x458 [ 64.594974][ T5198] show_stack+0x2c/0x3c [ 64.595666][ T5198] __dump_stack+0x30/0x40 [ 64.596496][ T5198] dump_stack_lvl+0xf4/0x15c [ 64.597399][ T5198] dump_stack+0x1c/0x5c [ 64.598227][ T5198] sysfs_create_dir_ns+0x244/0x264 [ 64.599160][ T5198] kobject_add_internal+0x594/0xc2c [ 64.600112][ T5198] kobject_init_and_add+0x128/0x194 [ 64.601012][ T5198] gfs2_sys_fs_add+0x208/0x428 [ 64.601821][ T5198] gfs2_fill_super+0xe20/0x1a9c [ 64.602642][ T5198] get_tree_bdev+0x35c/0x54c [ 64.603463][ T5198] gfs2_get_tree+0x58/0x1b8 [ 64.604255][ T5198] vfs_get_tree+0x90/0x278 [ 64.605068][ T5198] do_new_mount+0x228/0x804 [ 64.605788][ T5198] path_mount+0x57c/0xfe8 [ 64.606505][ T5198] __arm64_sys_mount+0x488/0x5f8 [ 64.607324][ T5198] invoke_syscall+0x98/0x28c [ 64.608075][ T5198] el0_svc_common+0x13c/0x258 [ 64.608842][ T5198] do_el0_svc+0x5c/0x140 [ 64.609536][ T5198] el0_svc+0x78/0x1d0 [ 64.610268][ T5198] el0t_64_sync_handler+0xcc/0xe4 [ 64.611065][ T5198] el0t_64_sync+0x1a0/0x1a4 [ 64.646720][ T5198] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.649060][ T5198] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.768797][ T5196] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.770152][ T5196] CPU: 1 PID: 5196 Comm: syz.4.63 Not tainted syzkaller #0 [ 64.771329][ T5196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 64.773014][ T5196] Call trace: [ 64.773504][ T5196] dump_backtrace+0x0/0x458 [ 64.774211][ T5196] show_stack+0x2c/0x3c [ 64.774884][ T5196] __dump_stack+0x30/0x40 [ 64.775576][ T5196] dump_stack_lvl+0xf4/0x15c [ 64.776487][ T5196] dump_stack+0x1c/0x5c [ 64.777327][ T5196] sysfs_create_dir_ns+0x244/0x264 [ 64.778330][ T5196] kobject_add_internal+0x594/0xc2c [ 64.779298][ T5196] kobject_init_and_add+0x128/0x194 [ 64.780313][ T5196] gfs2_sys_fs_add+0x208/0x428 [ 64.781138][ T5196] gfs2_fill_super+0xe20/0x1a9c [ 64.781968][ T5196] get_tree_bdev+0x35c/0x54c [ 64.782783][ T5196] gfs2_get_tree+0x58/0x1b8 [ 64.783624][ T5196] vfs_get_tree+0x90/0x278 [ 64.784398][ T5196] do_new_mount+0x228/0x804 [ 64.785149][ T5196] path_mount+0x57c/0xfe8 [ 64.786033][ T5196] __arm64_sys_mount+0x488/0x5f8 [ 64.786980][ T5196] invoke_syscall+0x98/0x28c [ 64.787774][ T5196] el0_svc_common+0x13c/0x258 [ 64.788618][ T5196] do_el0_svc+0x5c/0x140 [ 64.789434][ T5196] el0_svc+0x78/0x1d0 [ 64.790186][ T5196] el0t_64_sync_handler+0xcc/0xe4 [ 64.791146][ T5196] el0t_64_sync+0x1a0/0x1a4 [ 64.826517][ T5196] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.828652][ T5196] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.839874][ T5192] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.841124][ T5192] CPU: 1 PID: 5192 Comm: syz.2.61 Not tainted syzkaller #0 [ 64.842338][ T5192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 64.844102][ T5192] Call trace: [ 64.844673][ T5192] dump_backtrace+0x0/0x458 [ 64.845419][ T5192] show_stack+0x2c/0x3c [ 64.846111][ T5192] __dump_stack+0x30/0x40 [ 64.846874][ T5192] dump_stack_lvl+0xf4/0x15c [ 64.847630][ T5192] dump_stack+0x1c/0x5c [ 64.848326][ T5192] sysfs_create_dir_ns+0x244/0x264 [ 64.849171][ T5192] kobject_add_internal+0x594/0xc2c [ 64.850055][ T5192] kobject_init_and_add+0x128/0x194 [ 64.850917][ T5192] gfs2_sys_fs_add+0x208/0x428 [ 64.851764][ T5192] gfs2_fill_super+0xe20/0x1a9c [ 64.852603][ T5192] get_tree_bdev+0x35c/0x54c [ 64.853348][ T5192] gfs2_get_tree+0x58/0x1b8 [ 64.854120][ T5192] vfs_get_tree+0x90/0x278 [ 64.854937][ T5192] do_new_mount+0x228/0x804 [ 64.855865][ T5192] path_mount+0x57c/0xfe8 [ 64.856776][ T5192] __arm64_sys_mount+0x488/0x5f8 [ 64.857773][ T5192] invoke_syscall+0x98/0x28c [ 64.858699][ T5192] el0_svc_common+0x13c/0x258 [ 64.859635][ T5192] do_el0_svc+0x5c/0x140 [ 64.860377][ T5192] el0_svc+0x78/0x1d0 [ 64.861093][ T5192] el0t_64_sync_handler+0xcc/0xe4 [ 64.862008][ T5192] el0t_64_sync+0x1a0/0x1a4 [ 64.864904][ T5192] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.867794][ T5192] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.887647][ T5198] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.888907][ T5198] CPU: 0 PID: 5198 Comm: syz.1.64 Not tainted syzkaller #0 [ 64.890078][ T5198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 64.891763][ T5198] Call trace: [ 64.892312][ T5198] dump_backtrace+0x0/0x458 [ 64.893069][ T5198] show_stack+0x2c/0x3c [ 64.893767][ T5198] __dump_stack+0x30/0x40 [ 64.894511][ T5198] dump_stack_lvl+0xf4/0x15c [ 64.895307][ T5198] dump_stack+0x1c/0x5c [ 64.896046][ T5198] sysfs_create_dir_ns+0x244/0x264 [ 64.896980][ T5198] kobject_add_internal+0x594/0xc2c [ 64.897898][ T5198] kobject_init_and_add+0x128/0x194 [ 64.898786][ T5198] gfs2_sys_fs_add+0x208/0x428 [ 64.899600][ T5198] gfs2_fill_super+0xe20/0x1a9c [ 64.900406][ T5198] get_tree_bdev+0x35c/0x54c [ 64.901155][ T5198] gfs2_get_tree+0x58/0x1b8 [ 64.901878][ T5198] vfs_get_tree+0x90/0x278 [ 64.902674][ T5198] do_new_mount+0x228/0x804 [ 64.903439][ T5198] path_mount+0x57c/0xfe8 [ 64.904168][ T5198] __arm64_sys_mount+0x488/0x5f8 [ 64.904972][ T5198] invoke_syscall+0x98/0x28c [ 64.905703][ T5198] el0_svc_common+0x13c/0x258 [ 64.906509][ T5198] do_el0_svc+0x5c/0x140 [ 64.907208][ T5198] el0_svc+0x78/0x1d0 [ 64.907906][ T5198] el0t_64_sync_handler+0xcc/0xe4 [ 64.908767][ T5198] el0t_64_sync+0x1a0/0x1a4 [ 64.910648][ T5198] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.912607][ T5198] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.918077][ T5194] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.919245][ T5194] CPU: 1 PID: 5194 Comm: syz.3.62 Not tainted syzkaller #0 [ 64.920334][ T5194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 64.922301][ T5194] Call trace: [ 64.922960][ T5194] dump_backtrace+0x0/0x458 [ 64.923835][ T5194] show_stack+0x2c/0x3c [ 64.924660][ T5194] __dump_stack+0x30/0x40 [ 64.925479][ T5194] dump_stack_lvl+0xf4/0x15c [ 64.926310][ T5194] dump_stack+0x1c/0x5c [ 64.927128][ T5194] sysfs_create_dir_ns+0x244/0x264 [ 64.927985][ T5194] kobject_add_internal+0x594/0xc2c [ 64.928921][ T5194] kobject_init_and_add+0x128/0x194 [ 64.929817][ T5194] gfs2_sys_fs_add+0x208/0x428 [ 64.930598][ T5194] gfs2_fill_super+0xe20/0x1a9c [ 64.931425][ T5194] get_tree_bdev+0x35c/0x54c [ 64.932183][ T5194] gfs2_get_tree+0x58/0x1b8 [ 64.932952][ T5194] vfs_get_tree+0x90/0x278 [ 64.933724][ T5194] do_new_mount+0x228/0x804 [ 64.934516][ T5194] path_mount+0x57c/0xfe8 [ 64.935242][ T5194] __arm64_sys_mount+0x488/0x5f8 [ 64.936111][ T5194] invoke_syscall+0x98/0x28c [ 64.936886][ T5194] el0_svc_common+0x13c/0x258 [ 64.937666][ T5194] do_el0_svc+0x5c/0x140 [ 64.938383][ T5194] el0_svc+0x78/0x1d0 [ 64.939051][ T5194] el0t_64_sync_handler+0xcc/0xe4 [ 64.939886][ T5194] el0t_64_sync+0x1a0/0x1a4 [ 64.944116][ T5194] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.946287][ T5194] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:04 executed programs: 60 [ 65.160940][ T5200] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.162305][ T5200] CPU: 0 PID: 5200 Comm: syz.4.65 Not tainted syzkaller #0 [ 65.163654][ T5200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.165526][ T5200] Call trace: [ 65.166176][ T5200] dump_backtrace+0x0/0x458 [ 65.167025][ T5200] show_stack+0x2c/0x3c [ 65.167851][ T5200] __dump_stack+0x30/0x40 [ 65.168637][ T5200] dump_stack_lvl+0xf4/0x15c [ 65.169452][ T5200] dump_stack+0x1c/0x5c [ 65.170210][ T5200] sysfs_create_dir_ns+0x244/0x264 [ 65.171147][ T5200] kobject_add_internal+0x594/0xc2c [ 65.172091][ T5200] kobject_init_and_add+0x128/0x194 [ 65.172959][ T5200] gfs2_sys_fs_add+0x208/0x428 [ 65.173711][ T5200] gfs2_fill_super+0xe20/0x1a9c [ 65.174532][ T5200] get_tree_bdev+0x35c/0x54c [ 65.175286][ T5200] gfs2_get_tree+0x58/0x1b8 [ 65.176055][ T5200] vfs_get_tree+0x90/0x278 [ 65.176828][ T5200] do_new_mount+0x228/0x804 [ 65.177565][ T5200] path_mount+0x57c/0xfe8 [ 65.178340][ T5200] __arm64_sys_mount+0x488/0x5f8 [ 65.179189][ T5200] invoke_syscall+0x98/0x28c [ 65.179997][ T5200] el0_svc_common+0x13c/0x258 [ 65.180837][ T5200] do_el0_svc+0x5c/0x140 [ 65.181599][ T5200] el0_svc+0x78/0x1d0 [ 65.182312][ T5200] el0t_64_sync_handler+0xcc/0xe4 [ 65.183166][ T5200] el0t_64_sync+0x1a0/0x1a4 [ 65.226500][ T5200] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.228846][ T5200] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.258436][ T5202] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.259645][ T5202] CPU: 0 PID: 5202 Comm: syz.2.66 Not tainted syzkaller #0 [ 65.261022][ T5202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.262824][ T5202] Call trace: [ 65.263373][ T5202] dump_backtrace+0x0/0x458 [ 65.264167][ T5202] show_stack+0x2c/0x3c [ 65.264868][ T5202] __dump_stack+0x30/0x40 [ 65.265592][ T5202] dump_stack_lvl+0xf4/0x15c [ 65.266387][ T5202] dump_stack+0x1c/0x5c [ 65.267046][ T5202] sysfs_create_dir_ns+0x244/0x264 [ 65.267857][ T5202] kobject_add_internal+0x594/0xc2c [ 65.268654][ T5202] kobject_init_and_add+0x128/0x194 [ 65.269469][ T5202] gfs2_sys_fs_add+0x208/0x428 [ 65.270370][ T5202] gfs2_fill_super+0xe20/0x1a9c [ 65.271311][ T5202] get_tree_bdev+0x35c/0x54c [ 65.272183][ T5202] gfs2_get_tree+0x58/0x1b8 [ 65.273075][ T5202] vfs_get_tree+0x90/0x278 [ 65.273835][ T5202] do_new_mount+0x228/0x804 [ 65.274595][ T5202] path_mount+0x57c/0xfe8 [ 65.275313][ T5202] __arm64_sys_mount+0x488/0x5f8 [ 65.276264][ T5202] invoke_syscall+0x98/0x28c [ 65.277055][ T5202] el0_svc_common+0x13c/0x258 [ 65.277966][ T5202] do_el0_svc+0x5c/0x140 [ 65.278742][ T5202] el0_svc+0x78/0x1d0 [ 65.279484][ T5202] el0t_64_sync_handler+0xcc/0xe4 [ 65.280432][ T5202] el0t_64_sync+0x1a0/0x1a4 [ 65.283823][ T5202] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.286293][ T5202] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.309757][ T5206] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.311071][ T5206] CPU: 1 PID: 5206 Comm: syz.3.68 Not tainted syzkaller #0 [ 65.312339][ T5206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.313972][ T5206] Call trace: [ 65.314552][ T5206] dump_backtrace+0x0/0x458 [ 65.315323][ T5206] show_stack+0x2c/0x3c [ 65.316049][ T5206] __dump_stack+0x30/0x40 [ 65.316821][ T5206] dump_stack_lvl+0xf4/0x15c [ 65.317632][ T5206] dump_stack+0x1c/0x5c [ 65.318395][ T5206] sysfs_create_dir_ns+0x244/0x264 [ 65.319281][ T5206] kobject_add_internal+0x594/0xc2c [ 65.320162][ T5206] kobject_init_and_add+0x128/0x194 [ 65.321074][ T5206] gfs2_sys_fs_add+0x208/0x428 [ 65.321907][ T5206] gfs2_fill_super+0xe20/0x1a9c [ 65.322704][ T5206] get_tree_bdev+0x35c/0x54c [ 65.323443][ T5206] gfs2_get_tree+0x58/0x1b8 [ 65.324185][ T5206] vfs_get_tree+0x90/0x278 [ 65.324923][ T5206] do_new_mount+0x228/0x804 [ 65.325687][ T5206] path_mount+0x57c/0xfe8 [ 65.326464][ T5206] __arm64_sys_mount+0x488/0x5f8 [ 65.327458][ T5206] invoke_syscall+0x98/0x28c [ 65.328353][ T5206] el0_svc_common+0x13c/0x258 [ 65.329252][ T5206] do_el0_svc+0x5c/0x140 [ 65.330067][ T5206] el0_svc+0x78/0x1d0 [ 65.330831][ T5206] el0t_64_sync_handler+0xcc/0xe4 [ 65.331819][ T5206] el0t_64_sync+0x1a0/0x1a4 [ 65.333229][ T5206] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.335244][ T5206] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.343439][ T5204] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.344764][ T5204] CPU: 0 PID: 5204 Comm: syz.1.67 Not tainted syzkaller #0 [ 65.345958][ T5204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.347663][ T5204] Call trace: [ 65.348232][ T5204] dump_backtrace+0x0/0x458 [ 65.348979][ T5204] show_stack+0x2c/0x3c [ 65.349675][ T5204] __dump_stack+0x30/0x40 [ 65.350385][ T5204] dump_stack_lvl+0xf4/0x15c [ 65.351128][ T5204] dump_stack+0x1c/0x5c [ 65.351833][ T5204] sysfs_create_dir_ns+0x244/0x264 [ 65.352700][ T5204] kobject_add_internal+0x594/0xc2c [ 65.353589][ T5204] kobject_init_and_add+0x128/0x194 [ 65.354463][ T5204] gfs2_sys_fs_add+0x208/0x428 [ 65.355253][ T5204] gfs2_fill_super+0xe20/0x1a9c [ 65.356054][ T5204] get_tree_bdev+0x35c/0x54c [ 65.356809][ T5204] gfs2_get_tree+0x58/0x1b8 [ 65.357539][ T5204] vfs_get_tree+0x90/0x278 [ 65.358242][ T5204] do_new_mount+0x228/0x804 [ 65.359001][ T5204] path_mount+0x57c/0xfe8 [ 65.359701][ T5204] __arm64_sys_mount+0x488/0x5f8 [ 65.360501][ T5204] invoke_syscall+0x98/0x28c [ 65.361221][ T5204] el0_svc_common+0x13c/0x258 [ 65.361957][ T5204] do_el0_svc+0x5c/0x140 [ 65.362666][ T5204] el0_svc+0x78/0x1d0 [ 65.363322][ T5204] el0t_64_sync_handler+0xcc/0xe4 [ 65.364163][ T5204] el0t_64_sync+0x1a0/0x1a4 [ 65.369498][ T5204] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.376851][ T5204] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.557336][ T5204] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.558583][ T5204] CPU: 0 PID: 5204 Comm: syz.1.67 Not tainted syzkaller #0 [ 65.559802][ T5204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.561434][ T5204] Call trace: [ 65.561969][ T5204] dump_backtrace+0x0/0x458 [ 65.562762][ T5204] show_stack+0x2c/0x3c [ 65.563423][ T5204] __dump_stack+0x30/0x40 [ 65.564103][ T5204] dump_stack_lvl+0xf4/0x15c [ 65.564868][ T5204] dump_stack+0x1c/0x5c [ 65.565560][ T5204] sysfs_create_dir_ns+0x244/0x264 [ 65.566387][ T5204] kobject_add_internal+0x594/0xc2c [ 65.567298][ T5204] kobject_init_and_add+0x128/0x194 [ 65.568208][ T5204] gfs2_sys_fs_add+0x208/0x428 [ 65.569006][ T5204] gfs2_fill_super+0xe20/0x1a9c [ 65.569840][ T5204] get_tree_bdev+0x35c/0x54c [ 65.570630][ T5204] gfs2_get_tree+0x58/0x1b8 [ 65.571407][ T5204] vfs_get_tree+0x90/0x278 [ 65.572149][ T5204] do_new_mount+0x228/0x804 [ 65.572890][ T5204] path_mount+0x57c/0xfe8 [ 65.573556][ T5204] __arm64_sys_mount+0x488/0x5f8 [ 65.574373][ T5204] invoke_syscall+0x98/0x28c [ 65.575134][ T5204] el0_svc_common+0x13c/0x258 [ 65.576068][ T5204] do_el0_svc+0x5c/0x140 [ 65.576932][ T5204] el0_svc+0x78/0x1d0 [ 65.577639][ T5204] el0t_64_sync_handler+0xcc/0xe4 [ 65.578526][ T5204] el0t_64_sync+0x1a0/0x1a4 [ 65.579668][ T5200] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.580903][ T5200] CPU: 0 PID: 5200 Comm: syz.4.65 Not tainted syzkaller #0 [ 65.582106][ T5200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.583676][ T5200] Call trace: [ 65.584190][ T5200] dump_backtrace+0x0/0x458 [ 65.584886][ T5200] show_stack+0x2c/0x3c [ 65.585536][ T5200] __dump_stack+0x30/0x40 [ 65.586179][ T5200] dump_stack_lvl+0xf4/0x15c [ 65.586906][ T5200] dump_stack+0x1c/0x5c [ 65.587613][ T5200] sysfs_create_dir_ns+0x244/0x264 [ 65.588457][ T5200] kobject_add_internal+0x594/0xc2c [ 65.589491][ T5200] kobject_init_and_add+0x128/0x194 [ 65.590471][ T5200] gfs2_sys_fs_add+0x208/0x428 [ 65.591337][ T5200] gfs2_fill_super+0xe20/0x1a9c [ 65.592241][ T5200] get_tree_bdev+0x35c/0x54c [ 65.593052][ T5200] gfs2_get_tree+0x58/0x1b8 [ 65.593829][ T5200] vfs_get_tree+0x90/0x278 [ 65.594557][ T5200] do_new_mount+0x228/0x804 [ 65.595359][ T5200] path_mount+0x57c/0xfe8 [ 65.596131][ T5200] __arm64_sys_mount+0x488/0x5f8 [ 65.596960][ T5200] invoke_syscall+0x98/0x28c [ 65.597687][ T5200] el0_svc_common+0x13c/0x258 [ 65.598630][ T5200] do_el0_svc+0x5c/0x140 [ 65.599482][ T5200] el0_svc+0x78/0x1d0 [ 65.600189][ T5200] el0t_64_sync_handler+0xcc/0xe4 [ 65.601089][ T5200] el0t_64_sync+0x1a0/0x1a4 [ 65.606323][ T5204] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.609099][ T5200] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.610177][ T5202] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.611378][ T5200] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.614160][ T5204] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.619432][ T5202] CPU: 0 PID: 5202 Comm: syz.2.66 Not tainted syzkaller #0 [ 65.620612][ T5202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.622180][ T5202] Call trace: [ 65.622681][ T5202] dump_backtrace+0x0/0x458 [ 65.623372][ T5202] show_stack+0x2c/0x3c [ 65.623978][ T5202] __dump_stack+0x30/0x40 [ 65.624662][ T5202] dump_stack_lvl+0xf4/0x15c [ 65.625343][ T5202] dump_stack+0x1c/0x5c [ 65.625985][ T5202] sysfs_create_dir_ns+0x244/0x264 [ 65.626837][ T5202] kobject_add_internal+0x594/0xc2c [ 65.627748][ T5202] kobject_init_and_add+0x128/0x194 [ 65.628660][ T5202] gfs2_sys_fs_add+0x208/0x428 [ 65.629490][ T5202] gfs2_fill_super+0xe20/0x1a9c [ 65.630320][ T5202] get_tree_bdev+0x35c/0x54c [ 65.631078][ T5202] gfs2_get_tree+0x58/0x1b8 [ 65.631842][ T5202] vfs_get_tree+0x90/0x278 [ 65.632612][ T5202] do_new_mount+0x228/0x804 [ 65.633388][ T5202] path_mount+0x57c/0xfe8 [ 65.634088][ T5202] __arm64_sys_mount+0x488/0x5f8 [ 65.634906][ T5202] invoke_syscall+0x98/0x28c [ 65.635686][ T5202] el0_svc_common+0x13c/0x258 [ 65.636477][ T5202] do_el0_svc+0x5c/0x140 [ 65.637194][ T5202] el0_svc+0x78/0x1d0 [ 65.637880][ T5202] el0t_64_sync_handler+0xcc/0xe4 [ 65.638717][ T5202] el0t_64_sync+0x1a0/0x1a4 [ 65.660055][ T5202] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.662052][ T5202] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.742383][ T5206] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.743698][ T5206] CPU: 1 PID: 5206 Comm: syz.3.68 Not tainted syzkaller #0 [ 65.744888][ T5206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.746643][ T5206] Call trace: [ 65.747204][ T5206] dump_backtrace+0x0/0x458 [ 65.747978][ T5206] show_stack+0x2c/0x3c [ 65.748694][ T5206] __dump_stack+0x30/0x40 [ 65.749449][ T5206] dump_stack_lvl+0xf4/0x15c [ 65.750234][ T5206] dump_stack+0x1c/0x5c [ 65.750959][ T5206] sysfs_create_dir_ns+0x244/0x264 [ 65.751860][ T5206] kobject_add_internal+0x594/0xc2c [ 65.752778][ T5206] kobject_init_and_add+0x128/0x194 [ 65.753690][ T5206] gfs2_sys_fs_add+0x208/0x428 [ 65.754551][ T5206] gfs2_fill_super+0xe20/0x1a9c [ 65.755486][ T5206] get_tree_bdev+0x35c/0x54c [ 65.756354][ T5206] gfs2_get_tree+0x58/0x1b8 [ 65.757182][ T5206] vfs_get_tree+0x90/0x278 [ 65.757974][ T5206] do_new_mount+0x228/0x804 [ 65.758798][ T5206] path_mount+0x57c/0xfe8 [ 65.759578][ T5206] __arm64_sys_mount+0x488/0x5f8 [ 65.760483][ T5206] invoke_syscall+0x98/0x28c [ 65.761298][ T5206] el0_svc_common+0x13c/0x258 [ 65.762120][ T5206] do_el0_svc+0x5c/0x140 [ 65.762807][ T5206] el0_svc+0x78/0x1d0 [ 65.763479][ T5206] el0t_64_sync_handler+0xcc/0xe4 [ 65.764319][ T5206] el0t_64_sync+0x1a0/0x1a4 [ 65.816680][ T5206] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.819317][ T5206] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.888638][ T5209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.889924][ T5209] CPU: 0 PID: 5209 Comm: syz.1.70 Not tainted syzkaller #0 [ 65.891120][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.892779][ T5209] Call trace: [ 65.893322][ T5209] dump_backtrace+0x0/0x458 [ 65.894146][ T5209] show_stack+0x2c/0x3c [ 65.894883][ T5209] __dump_stack+0x30/0x40 [ 65.895629][ T5209] dump_stack_lvl+0xf4/0x15c [ 65.896466][ T5209] dump_stack+0x1c/0x5c [ 65.897221][ T5209] sysfs_create_dir_ns+0x244/0x264 [ 65.898153][ T5209] kobject_add_internal+0x594/0xc2c [ 65.899020][ T5209] kobject_init_and_add+0x128/0x194 [ 65.899926][ T5209] gfs2_sys_fs_add+0x208/0x428 [ 65.900762][ T5209] gfs2_fill_super+0xe20/0x1a9c [ 65.901550][ T5209] get_tree_bdev+0x35c/0x54c [ 65.902299][ T5209] gfs2_get_tree+0x58/0x1b8 [ 65.903038][ T5209] vfs_get_tree+0x90/0x278 [ 65.903737][ T5209] do_new_mount+0x228/0x804 [ 65.904439][ T5209] path_mount+0x57c/0xfe8 [ 65.905119][ T5209] __arm64_sys_mount+0x488/0x5f8 [ 65.906075][ T5209] invoke_syscall+0x98/0x28c [ 65.906941][ T5209] el0_svc_common+0x13c/0x258 [ 65.907829][ T5209] do_el0_svc+0x5c/0x140 [ 65.908618][ T5209] el0_svc+0x78/0x1d0 [ 65.909338][ T5209] el0t_64_sync_handler+0xcc/0xe4 [ 65.910183][ T5209] el0t_64_sync+0x1a0/0x1a4 [ 65.911739][ T5209] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.913975][ T5209] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.919950][ T5212] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.920108][ T5210] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.921203][ T5212] CPU: 1 PID: 5212 Comm: syz.2.71 Not tainted syzkaller #0 [ 65.923507][ T5212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.925218][ T5212] Call trace: [ 65.925781][ T5212] dump_backtrace+0x0/0x458 [ 65.926564][ T5212] show_stack+0x2c/0x3c [ 65.927312][ T5212] __dump_stack+0x30/0x40 [ 65.928085][ T5212] dump_stack_lvl+0xf4/0x15c [ 65.928900][ T5212] dump_stack+0x1c/0x5c [ 65.929621][ T5212] sysfs_create_dir_ns+0x244/0x264 [ 65.930505][ T5212] kobject_add_internal+0x594/0xc2c [ 65.931406][ T5212] kobject_init_and_add+0x128/0x194 [ 65.932267][ T5212] gfs2_sys_fs_add+0x208/0x428 [ 65.933061][ T5212] gfs2_fill_super+0xe20/0x1a9c [ 65.933934][ T5212] get_tree_bdev+0x35c/0x54c [ 65.934759][ T5212] gfs2_get_tree+0x58/0x1b8 [ 65.935577][ T5212] vfs_get_tree+0x90/0x278 [ 65.936331][ T5212] do_new_mount+0x228/0x804 [ 65.937121][ T5212] path_mount+0x57c/0xfe8 [ 65.937882][ T5212] __arm64_sys_mount+0x488/0x5f8 [ 65.938759][ T5212] invoke_syscall+0x98/0x28c [ 65.939676][ T5212] el0_svc_common+0x13c/0x258 [ 65.940616][ T5212] do_el0_svc+0x5c/0x140 [ 65.941473][ T5212] el0_svc+0x78/0x1d0 [ 65.942269][ T5212] el0t_64_sync_handler+0xcc/0xe4 [ 65.943210][ T5212] el0t_64_sync+0x1a0/0x1a4 [ 65.944057][ T5210] CPU: 0 PID: 5210 Comm: syz.4.69 Not tainted syzkaller #0 [ 65.945272][ T5210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.946726][ T5212] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.946824][ T5210] Call trace: [ 65.948741][ T5212] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.949286][ T5210] dump_backtrace+0x0/0x458 [ 65.951111][ T5210] show_stack+0x2c/0x3c [ 65.951802][ T5210] __dump_stack+0x30/0x40 [ 65.952518][ T5210] dump_stack_lvl+0xf4/0x15c [ 65.953290][ T5210] dump_stack+0x1c/0x5c [ 65.953969][ T5210] sysfs_create_dir_ns+0x244/0x264 [ 65.954843][ T5210] kobject_add_internal+0x594/0xc2c [ 65.955893][ T5210] kobject_init_and_add+0x128/0x194 [ 65.956839][ T5210] gfs2_sys_fs_add+0x208/0x428 [ 65.957667][ T5210] gfs2_fill_super+0xe20/0x1a9c [ 65.958509][ T5210] get_tree_bdev+0x35c/0x54c [ 65.959324][ T5210] gfs2_get_tree+0x58/0x1b8 [ 65.960213][ T5210] vfs_get_tree+0x90/0x278 [ 65.961056][ T5210] do_new_mount+0x228/0x804 [ 65.961907][ T5210] path_mount+0x57c/0xfe8 [ 65.962730][ T5210] __arm64_sys_mount+0x488/0x5f8 [ 65.963568][ T5210] invoke_syscall+0x98/0x28c [ 65.964364][ T5210] el0_svc_common+0x13c/0x258 [ 65.965191][ T5210] do_el0_svc+0x5c/0x140 [ 65.965940][ T5210] el0_svc+0x78/0x1d0 [ 65.966616][ T5210] el0t_64_sync_handler+0xcc/0xe4 [ 65.967483][ T5210] el0t_64_sync+0x1a0/0x1a4 [ 65.971024][ T5210] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.973104][ T5210] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.160169][ T5210] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.161484][ T5210] CPU: 0 PID: 5210 Comm: syz.4.69 Not tainted syzkaller #0 [ 66.162733][ T5210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.164538][ T5210] Call trace: [ 66.165075][ T5210] dump_backtrace+0x0/0x458 [ 66.165822][ T5210] show_stack+0x2c/0x3c [ 66.166503][ T5210] __dump_stack+0x30/0x40 [ 66.167219][ T5210] dump_stack_lvl+0xf4/0x15c [ 66.168007][ T5210] dump_stack+0x1c/0x5c [ 66.168736][ T5210] sysfs_create_dir_ns+0x244/0x264 [ 66.169660][ T5210] kobject_add_internal+0x594/0xc2c [ 66.170544][ T5210] kobject_init_and_add+0x128/0x194 [ 66.171484][ T5210] gfs2_sys_fs_add+0x208/0x428 [ 66.172280][ T5210] gfs2_fill_super+0xe20/0x1a9c [ 66.173107][ T5210] get_tree_bdev+0x35c/0x54c [ 66.173902][ T5210] gfs2_get_tree+0x58/0x1b8 [ 66.174827][ T5210] vfs_get_tree+0x90/0x278 [ 66.175743][ T5210] do_new_mount+0x228/0x804 [ 66.176519][ T5210] path_mount+0x57c/0xfe8 [ 66.177262][ T5210] __arm64_sys_mount+0x488/0x5f8 [ 66.178258][ T5210] invoke_syscall+0x98/0x28c [ 66.179197][ T5210] el0_svc_common+0x13c/0x258 [ 66.180176][ T5210] do_el0_svc+0x5c/0x140 [ 66.180988][ T5210] el0_svc+0x78/0x1d0 [ 66.181697][ T5210] el0t_64_sync_handler+0xcc/0xe4 [ 66.182612][ T5210] el0t_64_sync+0x1a0/0x1a4 [ 66.209165][ T5214] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.210494][ T5214] CPU: 1 PID: 5214 Comm: syz.3.72 Not tainted syzkaller #0 [ 66.211629][ T5214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.213509][ T5214] Call trace: [ 66.214090][ T5214] dump_backtrace+0x0/0x458 [ 66.214910][ T5214] show_stack+0x2c/0x3c [ 66.215576][ T5214] __dump_stack+0x30/0x40 [ 66.216289][ T5214] dump_stack_lvl+0xf4/0x15c [ 66.216488][ T5210] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.217093][ T5214] dump_stack+0x1c/0x5c [ 66.217108][ T5214] sysfs_create_dir_ns+0x244/0x264 [ 66.219537][ T5210] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.220269][ T5214] kobject_add_internal+0x594/0xc2c [ 66.223524][ T5214] kobject_init_and_add+0x128/0x194 [ 66.224527][ T5214] gfs2_sys_fs_add+0x208/0x428 [ 66.225456][ T5214] gfs2_fill_super+0xe20/0x1a9c [ 66.226421][ T5214] get_tree_bdev+0x35c/0x54c [ 66.227294][ T5214] gfs2_get_tree+0x58/0x1b8 [ 66.228155][ T5214] vfs_get_tree+0x90/0x278 [ 66.229060][ T5214] do_new_mount+0x228/0x804 [ 66.229986][ T5214] path_mount+0x57c/0xfe8 [ 66.230788][ T5214] __arm64_sys_mount+0x488/0x5f8 [ 66.231612][ T5214] invoke_syscall+0x98/0x28c [ 66.232382][ T5214] el0_svc_common+0x13c/0x258 [ 66.233152][ T5214] do_el0_svc+0x5c/0x140 [ 66.233867][ T5214] el0_svc+0x78/0x1d0 [ 66.234539][ T5214] el0t_64_sync_handler+0xcc/0xe4 [ 66.235439][ T5214] el0t_64_sync+0x1a0/0x1a4 [ 66.258266][ T5214] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.260902][ T5212] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.262124][ T5212] CPU: 1 PID: 5212 Comm: syz.2.71 Not tainted syzkaller #0 [ 66.263266][ T5212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.264824][ T5212] Call trace: [ 66.265340][ T5212] dump_backtrace+0x0/0x458 [ 66.266063][ T5212] show_stack+0x2c/0x3c [ 66.266720][ T5212] __dump_stack+0x30/0x40 [ 66.267436][ T5212] dump_stack_lvl+0xf4/0x15c [ 66.268190][ T5212] dump_stack+0x1c/0x5c [ 66.268923][ T5212] sysfs_create_dir_ns+0x244/0x264 [ 66.269795][ T5212] kobject_add_internal+0x594/0xc2c [ 66.270704][ T5212] kobject_init_and_add+0x128/0x194 [ 66.271583][ T5212] gfs2_sys_fs_add+0x208/0x428 [ 66.272366][ T5212] gfs2_fill_super+0xe20/0x1a9c [ 66.273194][ T5212] get_tree_bdev+0x35c/0x54c [ 66.273941][ T5212] gfs2_get_tree+0x58/0x1b8 [ 66.274677][ T5212] vfs_get_tree+0x90/0x278 [ 66.275415][ T5212] do_new_mount+0x228/0x804 [ 66.276166][ T5212] path_mount+0x57c/0xfe8 [ 66.276828][ T5212] __arm64_sys_mount+0x488/0x5f8 [ 66.277656][ T5212] invoke_syscall+0x98/0x28c [ 66.278435][ T5212] el0_svc_common+0x13c/0x258 [ 66.279214][ T5212] do_el0_svc+0x5c/0x140 [ 66.279874][ T5212] el0_svc+0x78/0x1d0 [ 66.280573][ T5212] el0t_64_sync_handler+0xcc/0xe4 [ 66.281368][ T5212] el0t_64_sync+0x1a0/0x1a4 [ 66.282922][ T5214] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.284328][ T5212] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.287231][ T5212] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.300879][ T5209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.302253][ T5209] CPU: 0 PID: 5209 Comm: syz.1.70 Not tainted syzkaller #0 [ 66.303438][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.305193][ T5209] Call trace: [ 66.305763][ T5209] dump_backtrace+0x0/0x458 [ 66.306554][ T5209] show_stack+0x2c/0x3c [ 66.307338][ T5209] __dump_stack+0x30/0x40 [ 66.308060][ T5209] dump_stack_lvl+0xf4/0x15c [ 66.308829][ T5209] dump_stack+0x1c/0x5c [ 66.309483][ T5209] sysfs_create_dir_ns+0x244/0x264 [ 66.310317][ T5209] kobject_add_internal+0x594/0xc2c [ 66.311184][ T5209] kobject_init_and_add+0x128/0x194 [ 66.312078][ T5209] gfs2_sys_fs_add+0x208/0x428 [ 66.312912][ T5209] gfs2_fill_super+0xe20/0x1a9c [ 66.313767][ T5209] get_tree_bdev+0x35c/0x54c [ 66.314500][ T5209] gfs2_get_tree+0x58/0x1b8 [ 66.315263][ T5209] vfs_get_tree+0x90/0x278 [ 66.316013][ T5209] do_new_mount+0x228/0x804 [ 66.316793][ T5209] path_mount+0x57c/0xfe8 [ 66.317560][ T5209] __arm64_sys_mount+0x488/0x5f8 [ 66.318338][ T5209] invoke_syscall+0x98/0x28c [ 66.319125][ T5209] el0_svc_common+0x13c/0x258 [ 66.319918][ T5209] do_el0_svc+0x5c/0x140 [ 66.320609][ T5209] el0_svc+0x78/0x1d0 [ 66.321418][ T5209] el0t_64_sync_handler+0xcc/0xe4 [ 66.322259][ T5209] el0t_64_sync+0x1a0/0x1a4 [ 66.346477][ T5209] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.351306][ T5209] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.529759][ T5216] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.531198][ T5216] CPU: 0 PID: 5216 Comm: syz.4.73 Not tainted syzkaller #0 [ 66.532412][ T5216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.534084][ T5216] Call trace: [ 66.534622][ T5216] dump_backtrace+0x0/0x458 [ 66.535277][ T5216] show_stack+0x2c/0x3c [ 66.535926][ T5216] __dump_stack+0x30/0x40 [ 66.536631][ T5216] dump_stack_lvl+0xf4/0x15c [ 66.537383][ T5216] dump_stack+0x1c/0x5c [ 66.538038][ T5216] sysfs_create_dir_ns+0x244/0x264 [ 66.538930][ T5216] kobject_add_internal+0x594/0xc2c [ 66.539779][ T5216] kobject_init_and_add+0x128/0x194 [ 66.540660][ T5216] gfs2_sys_fs_add+0x208/0x428 [ 66.541433][ T5216] gfs2_fill_super+0xe20/0x1a9c [ 66.542218][ T5216] get_tree_bdev+0x35c/0x54c [ 66.542934][ T5216] gfs2_get_tree+0x58/0x1b8 [ 66.543652][ T5216] vfs_get_tree+0x90/0x278 [ 66.544362][ T5216] do_new_mount+0x228/0x804 [ 66.545089][ T5216] path_mount+0x57c/0xfe8 [ 66.545799][ T5216] __arm64_sys_mount+0x488/0x5f8 [ 66.546647][ T5216] invoke_syscall+0x98/0x28c [ 66.547434][ T5216] el0_svc_common+0x13c/0x258 [ 66.548245][ T5216] do_el0_svc+0x5c/0x140 [ 66.548984][ T5216] el0_svc+0x78/0x1d0 [ 66.549691][ T5216] el0t_64_sync_handler+0xcc/0xe4 [ 66.550518][ T5216] el0t_64_sync+0x1a0/0x1a4 [ 66.563841][ T5218] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.565602][ T5218] CPU: 1 PID: 5218 Comm: syz.2.74 Not tainted syzkaller #0 [ 66.566896][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.568692][ T5218] Call trace: [ 66.569246][ T5218] dump_backtrace+0x0/0x458 [ 66.570058][ T5218] show_stack+0x2c/0x3c [ 66.570743][ T5218] __dump_stack+0x30/0x40 [ 66.571447][ T5218] dump_stack_lvl+0xf4/0x15c [ 66.572391][ T5218] dump_stack+0x1c/0x5c [ 66.573148][ T5218] sysfs_create_dir_ns+0x244/0x264 [ 66.574051][ T5218] kobject_add_internal+0x594/0xc2c [ 66.574930][ T5218] kobject_init_and_add+0x128/0x194 [ 66.575945][ T5218] gfs2_sys_fs_add+0x208/0x428 [ 66.576878][ T5218] gfs2_fill_super+0xe20/0x1a9c [ 66.577844][ T5218] get_tree_bdev+0x35c/0x54c [ 66.578772][ T5218] gfs2_get_tree+0x58/0x1b8 [ 66.579681][ T5218] vfs_get_tree+0x90/0x278 [ 66.580580][ T5218] do_new_mount+0x228/0x804 [ 66.581473][ T5218] path_mount+0x57c/0xfe8 [ 66.582051][ T5216] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.582333][ T5218] __arm64_sys_mount+0x488/0x5f8 [ 66.584372][ T5216] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.585293][ T5218] invoke_syscall+0x98/0x28c [ 66.587233][ T5218] el0_svc_common+0x13c/0x258 [ 66.588066][ T5218] do_el0_svc+0x5c/0x140 [ 66.588767][ T5218] el0_svc+0x78/0x1d0 [ 66.589536][ T5218] el0t_64_sync_handler+0xcc/0xe4 [ 66.590529][ T5218] el0t_64_sync+0x1a0/0x1a4 [ 66.605473][ T5218] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.609883][ T5218] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.609932][ T5220] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.612933][ T5220] CPU: 0 PID: 5220 Comm: syz.1.75 Not tainted syzkaller #0 [ 66.614157][ T5220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.615937][ T5220] Call trace: [ 66.616533][ T5220] dump_backtrace+0x0/0x458 [ 66.617355][ T5220] show_stack+0x2c/0x3c [ 66.618108][ T5220] __dump_stack+0x30/0x40 [ 66.618914][ T5220] dump_stack_lvl+0xf4/0x15c [ 66.619769][ T5220] dump_stack+0x1c/0x5c [ 66.620541][ T5220] sysfs_create_dir_ns+0x244/0x264 [ 66.621458][ T5220] kobject_add_internal+0x594/0xc2c [ 66.622348][ T5220] kobject_init_and_add+0x128/0x194 [ 66.623241][ T5220] gfs2_sys_fs_add+0x208/0x428 [ 66.624074][ T5220] gfs2_fill_super+0xe20/0x1a9c [ 66.624945][ T5220] get_tree_bdev+0x35c/0x54c [ 66.625765][ T5220] gfs2_get_tree+0x58/0x1b8 [ 66.626520][ T5220] vfs_get_tree+0x90/0x278 [ 66.627260][ T5220] do_new_mount+0x228/0x804 [ 66.628009][ T5220] path_mount+0x57c/0xfe8 [ 66.628757][ T5220] __arm64_sys_mount+0x488/0x5f8 [ 66.629636][ T5220] invoke_syscall+0x98/0x28c [ 66.630465][ T5220] el0_svc_common+0x13c/0x258 [ 66.631287][ T5220] do_el0_svc+0x5c/0x140 [ 66.632041][ T5220] el0_svc+0x78/0x1d0 [ 66.632760][ T5220] el0t_64_sync_handler+0xcc/0xe4 [ 66.633665][ T5220] el0t_64_sync+0x1a0/0x1a4 [ 66.660412][ T5214] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.661639][ T5214] CPU: 1 PID: 5214 Comm: syz.3.72 Not tainted syzkaller #0 [ 66.662754][ T5214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.664454][ T5214] Call trace: [ 66.664978][ T5214] dump_backtrace+0x0/0x458 [ 66.665732][ T5214] show_stack+0x2c/0x3c [ 66.666396][ T5214] __dump_stack+0x30/0x40 [ 66.667105][ T5214] dump_stack_lvl+0xf4/0x15c [ 66.667873][ T5214] dump_stack+0x1c/0x5c [ 66.668558][ T5214] sysfs_create_dir_ns+0x244/0x264 [ 66.669427][ T5214] kobject_add_internal+0x594/0xc2c [ 66.670271][ T5214] kobject_init_and_add+0x128/0x194 [ 66.671096][ T5214] gfs2_sys_fs_add+0x208/0x428 [ 66.671894][ T5214] gfs2_fill_super+0xe20/0x1a9c [ 66.672715][ T5214] get_tree_bdev+0x35c/0x54c [ 66.673489][ T5214] gfs2_get_tree+0x58/0x1b8 [ 66.674215][ T5214] vfs_get_tree+0x90/0x278 [ 66.674991][ T5214] do_new_mount+0x228/0x804 [ 66.675059][ T5220] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.675741][ T5214] path_mount+0x57c/0xfe8 [ 66.678778][ T5214] __arm64_sys_mount+0x488/0x5f8 [ 66.679601][ T5214] invoke_syscall+0x98/0x28c [ 66.680364][ T5214] el0_svc_common+0x13c/0x258 [ 66.680688][ T5220] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.681152][ T5214] do_el0_svc+0x5c/0x140 [ 66.682880][ T5214] el0_svc+0x78/0x1d0 [ 66.683530][ T5214] el0t_64_sync_handler+0xcc/0xe4 [ 66.684368][ T5214] el0t_64_sync+0x1a0/0x1a4 [ 66.715759][ T5214] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.719901][ T5214] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.878463][ T5216] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.879914][ T5216] CPU: 1 PID: 5216 Comm: syz.4.73 Not tainted syzkaller #0 [ 66.881143][ T5216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.882917][ T5216] Call trace: [ 66.883513][ T5216] dump_backtrace+0x0/0x458 [ 66.884394][ T5216] show_stack+0x2c/0x3c [ 66.885193][ T5216] __dump_stack+0x30/0x40 [ 66.886073][ T5216] dump_stack_lvl+0xf4/0x15c [ 66.886907][ T5216] dump_stack+0x1c/0x5c [ 66.887623][ T5216] sysfs_create_dir_ns+0x244/0x264 [ 66.888505][ T5216] kobject_add_internal+0x594/0xc2c [ 66.889460][ T5216] kobject_init_and_add+0x128/0x194 [ 66.890406][ T5216] gfs2_sys_fs_add+0x208/0x428 [ 66.891295][ T5216] gfs2_fill_super+0xe20/0x1a9c [ 66.892183][ T5216] get_tree_bdev+0x35c/0x54c [ 66.893012][ T5216] gfs2_get_tree+0x58/0x1b8 [ 66.893853][ T5216] vfs_get_tree+0x90/0x278 [ 66.894702][ T5216] do_new_mount+0x228/0x804 [ 66.895526][ T5216] path_mount+0x57c/0xfe8 [ 66.896342][ T5216] __arm64_sys_mount+0x488/0x5f8 [ 66.897251][ T5216] invoke_syscall+0x98/0x28c [ 66.898098][ T5216] el0_svc_common+0x13c/0x258 [ 66.898919][ T5216] do_el0_svc+0x5c/0x140 [ 66.899703][ T5216] el0_svc+0x78/0x1d0 [ 66.900531][ T5216] el0t_64_sync_handler+0xcc/0xe4 [ 66.901546][ T5216] el0t_64_sync+0x1a0/0x1a4 [ 66.908559][ T5216] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.910951][ T5216] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.913261][ T5218] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.914528][ T5218] CPU: 0 PID: 5218 Comm: syz.2.74 Not tainted syzkaller #0 [ 66.915667][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.917388][ T5218] Call trace: [ 66.917941][ T5218] dump_backtrace+0x0/0x458 [ 66.918731][ T5218] show_stack+0x2c/0x3c [ 66.919530][ T5218] __dump_stack+0x30/0x40 [ 66.920399][ T5218] dump_stack_lvl+0xf4/0x15c [ 66.921316][ T5218] dump_stack+0x1c/0x5c [ 66.921377][ T5222] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.922100][ T5218] sysfs_create_dir_ns+0x244/0x264 [ 66.924431][ T5218] kobject_add_internal+0x594/0xc2c [ 66.925484][ T5218] kobject_init_and_add+0x128/0x194 [ 66.926539][ T5218] gfs2_sys_fs_add+0x208/0x428 [ 66.927511][ T5218] gfs2_fill_super+0xe20/0x1a9c [ 66.928500][ T5218] get_tree_bdev+0x35c/0x54c [ 66.929438][ T5218] gfs2_get_tree+0x58/0x1b8 [ 66.930233][ T5218] vfs_get_tree+0x90/0x278 [ 66.930945][ T5218] do_new_mount+0x228/0x804 [ 66.931714][ T5218] path_mount+0x57c/0xfe8 [ 66.932424][ T5218] __arm64_sys_mount+0x488/0x5f8 [ 66.933217][ T5218] invoke_syscall+0x98/0x28c [ 66.933960][ T5218] el0_svc_common+0x13c/0x258 [ 66.934752][ T5218] do_el0_svc+0x5c/0x140 [ 66.935477][ T5218] el0_svc+0x78/0x1d0 [ 66.936160][ T5218] el0t_64_sync_handler+0xcc/0xe4 [ 66.936995][ T5218] el0t_64_sync+0x1a0/0x1a4 [ 66.943460][ T5222] CPU: 1 PID: 5222 Comm: syz.3.76 Not tainted syzkaller #0 [ 66.943691][ T5218] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.944659][ T5222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.947161][ T5218] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.948619][ T5222] Call trace: [ 66.950237][ T5222] dump_backtrace+0x0/0x458 [ 66.951025][ T5222] show_stack+0x2c/0x3c [ 66.951757][ T5222] __dump_stack+0x30/0x40 [ 66.952539][ T5222] dump_stack_lvl+0xf4/0x15c [ 66.953326][ T5222] dump_stack+0x1c/0x5c [ 66.954079][ T5222] sysfs_create_dir_ns+0x244/0x264 [ 66.954952][ T5222] kobject_add_internal+0x594/0xc2c [ 66.955814][ T5222] kobject_init_and_add+0x128/0x194 [ 66.956721][ T5222] gfs2_sys_fs_add+0x208/0x428 [ 66.957505][ T5222] gfs2_fill_super+0xe20/0x1a9c [ 66.958462][ T5222] get_tree_bdev+0x35c/0x54c [ 66.959352][ T5222] gfs2_get_tree+0x58/0x1b8 [ 66.960199][ T5222] vfs_get_tree+0x90/0x278 [ 66.960959][ T5222] do_new_mount+0x228/0x804 [ 66.961815][ T5222] path_mount+0x57c/0xfe8 [ 66.962583][ T5222] __arm64_sys_mount+0x488/0x5f8 [ 66.963479][ T5222] invoke_syscall+0x98/0x28c [ 66.964301][ T5222] el0_svc_common+0x13c/0x258 [ 66.965173][ T5222] do_el0_svc+0x5c/0x140 [ 66.965953][ T5222] el0_svc+0x78/0x1d0 [ 66.966685][ T5222] el0t_64_sync_handler+0xcc/0xe4 [ 66.967565][ T5222] el0t_64_sync+0x1a0/0x1a4 [ 66.971895][ T5222] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.974090][ T5222] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.978534][ T5220] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.979769][ T5220] CPU: 0 PID: 5220 Comm: syz.1.75 Not tainted syzkaller #0 [ 66.980905][ T5220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.982548][ T5220] Call trace: [ 66.983086][ T5220] dump_backtrace+0x0/0x458 [ 66.983813][ T5220] show_stack+0x2c/0x3c [ 66.984465][ T5220] __dump_stack+0x30/0x40 [ 66.985156][ T5220] dump_stack_lvl+0xf4/0x15c [ 66.985900][ T5220] dump_stack+0x1c/0x5c [ 66.986630][ T5220] sysfs_create_dir_ns+0x244/0x264 [ 66.987538][ T5220] kobject_add_internal+0x594/0xc2c [ 66.988475][ T5220] kobject_init_and_add+0x128/0x194 [ 66.989347][ T5220] gfs2_sys_fs_add+0x208/0x428 [ 66.990110][ T5220] gfs2_fill_super+0xe20/0x1a9c [ 66.990905][ T5220] get_tree_bdev+0x35c/0x54c [ 66.991652][ T5220] gfs2_get_tree+0x58/0x1b8 [ 66.992563][ T5220] vfs_get_tree+0x90/0x278 [ 66.993416][ T5220] do_new_mount+0x228/0x804 [ 66.994261][ T5220] path_mount+0x57c/0xfe8 [ 66.994983][ T5220] __arm64_sys_mount+0x488/0x5f8 [ 66.995803][ T5220] invoke_syscall+0x98/0x28c [ 66.996574][ T5220] el0_svc_common+0x13c/0x258 [ 66.997347][ T5220] do_el0_svc+0x5c/0x140 [ 66.998047][ T5220] el0_svc+0x78/0x1d0 [ 66.998725][ T5220] el0t_64_sync_handler+0xcc/0xe4 [ 66.999577][ T5220] el0t_64_sync+0x1a0/0x1a4 [ 67.007091][ T5220] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.009184][ T5220] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.230900][ T5224] set_capacity_and_notify: 46 callbacks suppressed [ 67.230910][ T5224] loop2: detected capacity change from 0 to 32768 [ 67.233741][ T5222] loop3: detected capacity change from 0 to 32768 [ 67.248490][ T5228] loop1: detected capacity change from 0 to 32768 [ 67.253107][ T5226] loop4: detected capacity change from 0 to 32768 [ 67.277304][ T5222] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.278617][ T5222] CPU: 1 PID: 5222 Comm: syz.3.76 Not tainted syzkaller #0 [ 67.279840][ T5222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.280357][ T5226] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.281445][ T5222] Call trace: [ 67.283207][ T5222] dump_backtrace+0x0/0x458 [ 67.283916][ T5222] show_stack+0x2c/0x3c [ 67.284527][ T5222] __dump_stack+0x30/0x40 [ 67.285218][ T5222] dump_stack_lvl+0xf4/0x15c [ 67.285591][ T5228] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.285930][ T5222] dump_stack+0x1c/0x5c [ 67.288012][ T5222] sysfs_create_dir_ns+0x244/0x264 [ 67.288869][ T5222] kobject_add_internal+0x594/0xc2c [ 67.289748][ T5222] kobject_init_and_add+0x128/0x194 [ 67.290616][ T5222] gfs2_sys_fs_add+0x208/0x428 [ 67.291438][ T5222] gfs2_fill_super+0xe20/0x1a9c [ 67.292292][ T5222] get_tree_bdev+0x35c/0x54c [ 67.293057][ T5222] gfs2_get_tree+0x58/0x1b8 [ 67.293921][ T5222] vfs_get_tree+0x90/0x278 [ 67.294754][ T5222] do_new_mount+0x228/0x804 [ 67.295492][ T5222] path_mount+0x57c/0xfe8 [ 67.296196][ T5222] __arm64_sys_mount+0x488/0x5f8 [ 67.297013][ T5222] invoke_syscall+0x98/0x28c [ 67.297787][ T5222] el0_svc_common+0x13c/0x258 [ 67.298729][ T5222] do_el0_svc+0x5c/0x140 [ 67.299588][ T5222] el0_svc+0x78/0x1d0 [ 67.300394][ T5222] el0t_64_sync_handler+0xcc/0xe4 [ 67.301409][ T5222] el0t_64_sync+0x1a0/0x1a4 [ 67.302323][ T5226] CPU: 0 PID: 5226 Comm: syz.4.78 Not tainted syzkaller #0 [ 67.303506][ T5226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.304287][ T5224] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.305205][ T5226] Call trace: [ 67.306955][ T5226] dump_backtrace+0x0/0x458 [ 67.307730][ T5226] show_stack+0x2c/0x3c [ 67.308554][ T5226] __dump_stack+0x30/0x40 [ 67.309361][ T5226] dump_stack_lvl+0xf4/0x15c [ 67.310188][ T5226] dump_stack+0x1c/0x5c [ 67.310904][ T5226] sysfs_create_dir_ns+0x244/0x264 [ 67.311777][ T5226] kobject_add_internal+0x594/0xc2c [ 67.312662][ T5226] kobject_init_and_add+0x128/0x194 [ 67.313538][ T5226] gfs2_sys_fs_add+0x208/0x428 [ 67.314329][ T5226] gfs2_fill_super+0xe20/0x1a9c [ 67.315232][ T5226] get_tree_bdev+0x35c/0x54c [ 67.316055][ T5226] gfs2_get_tree+0x58/0x1b8 [ 67.316866][ T5226] vfs_get_tree+0x90/0x278 [ 67.317674][ T5226] do_new_mount+0x228/0x804 [ 67.318496][ T5226] path_mount+0x57c/0xfe8 [ 67.319232][ T5226] __arm64_sys_mount+0x488/0x5f8 [ 67.320082][ T5226] invoke_syscall+0x98/0x28c [ 67.320840][ T5226] el0_svc_common+0x13c/0x258 [ 67.321622][ T5226] do_el0_svc+0x5c/0x140 [ 67.322332][ T5226] el0_svc+0x78/0x1d0 [ 67.323049][ T5226] el0t_64_sync_handler+0xcc/0xe4 [ 67.323901][ T5226] el0t_64_sync+0x1a0/0x1a4 [ 67.324645][ T5224] CPU: 1 PID: 5224 Comm: syz.2.77 Not tainted syzkaller #0 [ 67.325890][ T5224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.327882][ T5224] Call trace: [ 67.328506][ T5224] dump_backtrace+0x0/0x458 [ 67.329326][ T5224] show_stack+0x2c/0x3c [ 67.330092][ T5224] __dump_stack+0x30/0x40 [ 67.330906][ T5224] dump_stack_lvl+0xf4/0x15c [ 67.331732][ T5224] dump_stack+0x1c/0x5c [ 67.332464][ T5224] sysfs_create_dir_ns+0x244/0x264 [ 67.333372][ T5224] kobject_add_internal+0x594/0xc2c [ 67.334406][ T5224] kobject_init_and_add+0x128/0x194 [ 67.335397][ T5224] gfs2_sys_fs_add+0x208/0x428 [ 67.336281][ T5224] gfs2_fill_super+0xe20/0x1a9c [ 67.337180][ T5224] get_tree_bdev+0x35c/0x54c [ 67.338035][ T5224] gfs2_get_tree+0x58/0x1b8 [ 67.338868][ T5224] vfs_get_tree+0x90/0x278 [ 67.339693][ T5224] do_new_mount+0x228/0x804 [ 67.340512][ T5224] path_mount+0x57c/0xfe8 [ 67.341287][ T5224] __arm64_sys_mount+0x488/0x5f8 [ 67.342142][ T5224] invoke_syscall+0x98/0x28c [ 67.342953][ T5224] el0_svc_common+0x13c/0x258 [ 67.343881][ T5224] do_el0_svc+0x5c/0x140 [ 67.344751][ T5224] el0_svc+0x78/0x1d0 [ 67.345442][ T5224] el0t_64_sync_handler+0xcc/0xe4 [ 67.346343][ T5224] el0t_64_sync+0x1a0/0x1a4 [ 67.347197][ T5228] CPU: 0 PID: 5228 Comm: syz.1.79 Not tainted syzkaller #0 [ 67.348363][ T5228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.350030][ T5228] Call trace: [ 67.350579][ T5228] dump_backtrace+0x0/0x458 [ 67.351414][ T5228] show_stack+0x2c/0x3c [ 67.352157][ T5228] __dump_stack+0x30/0x40 [ 67.352838][ T5228] dump_stack_lvl+0xf4/0x15c [ 67.353611][ T5228] dump_stack+0x1c/0x5c [ 67.354313][ T5228] sysfs_create_dir_ns+0x244/0x264 [ 67.355113][ T5228] kobject_add_internal+0x594/0xc2c [ 67.356027][ T5228] kobject_init_and_add+0x128/0x194 [ 67.356895][ T5228] gfs2_sys_fs_add+0x208/0x428 [ 67.357728][ T5228] gfs2_fill_super+0xe20/0x1a9c [ 67.358612][ T5228] get_tree_bdev+0x35c/0x54c [ 67.359532][ T5228] gfs2_get_tree+0x58/0x1b8 [ 67.360386][ T5228] vfs_get_tree+0x90/0x278 [ 67.361222][ T5228] do_new_mount+0x228/0x804 [ 67.362068][ T5228] path_mount+0x57c/0xfe8 [ 67.362837][ T5228] __arm64_sys_mount+0x488/0x5f8 [ 67.363704][ T5228] invoke_syscall+0x98/0x28c [ 67.364512][ T5228] el0_svc_common+0x13c/0x258 [ 67.365339][ T5228] do_el0_svc+0x5c/0x140 [ 67.366094][ T5228] el0_svc+0x78/0x1d0 [ 67.366809][ T5228] el0t_64_sync_handler+0xcc/0xe4 [ 67.367643][ T5228] el0t_64_sync+0x1a0/0x1a4 [ 67.368842][ T5224] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.370696][ T5226] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.371407][ T5224] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.373206][ T5226] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.388113][ T5222] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.391789][ T5222] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.399386][ T5228] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.406445][ T5228] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.561119][ T5226] loop4: detected capacity change from 0 to 32768 [ 67.583293][ T5228] loop1: detected capacity change from 0 to 32768 [ 67.597346][ T5226] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.598820][ T5226] CPU: 0 PID: 5226 Comm: syz.4.78 Not tainted syzkaller #0 [ 67.600033][ T5226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.601792][ T5226] Call trace: [ 67.602373][ T5226] dump_backtrace+0x0/0x458 [ 67.603322][ T5226] show_stack+0x2c/0x3c [ 67.604187][ T5226] __dump_stack+0x30/0x40 [ 67.604987][ T5226] dump_stack_lvl+0xf4/0x15c [ 67.605841][ T5226] dump_stack+0x1c/0x5c [ 67.606556][ T5226] sysfs_create_dir_ns+0x244/0x264 [ 67.607428][ T5226] kobject_add_internal+0x594/0xc2c [ 67.608234][ T5226] kobject_init_and_add+0x128/0x194 [ 67.609040][ T5226] gfs2_sys_fs_add+0x208/0x428 [ 67.609837][ T5226] gfs2_fill_super+0xe20/0x1a9c [ 67.610629][ T5226] get_tree_bdev+0x35c/0x54c [ 67.611421][ T5226] gfs2_get_tree+0x58/0x1b8 [ 67.612185][ T5226] vfs_get_tree+0x90/0x278 [ 67.612922][ T5226] do_new_mount+0x228/0x804 [ 67.613640][ T5226] path_mount+0x57c/0xfe8 [ 67.614371][ T5226] __arm64_sys_mount+0x488/0x5f8 [ 67.615198][ T5226] invoke_syscall+0x98/0x28c [ 67.615994][ T5226] el0_svc_common+0x13c/0x258 [ 67.616809][ T5226] do_el0_svc+0x5c/0x140 [ 67.617581][ T5226] el0_svc+0x78/0x1d0 [ 67.618228][ T5226] el0t_64_sync_handler+0xcc/0xe4 [ 67.618978][ T5226] el0t_64_sync+0x1a0/0x1a4 [ 67.621161][ T5228] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.621529][ T5224] loop2: detected capacity change from 0 to 32768 [ 67.622368][ T5228] CPU: 0 PID: 5228 Comm: syz.1.79 Not tainted syzkaller #0 [ 67.624672][ T5228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.626220][ T5228] Call trace: [ 67.626747][ T5228] dump_backtrace+0x0/0x458 [ 67.627695][ T5228] show_stack+0x2c/0x3c [ 67.628498][ T5228] __dump_stack+0x30/0x40 [ 67.629258][ T5228] dump_stack_lvl+0xf4/0x15c [ 67.630057][ T5228] dump_stack+0x1c/0x5c [ 67.630767][ T5228] sysfs_create_dir_ns+0x244/0x264 [ 67.631661][ T5228] kobject_add_internal+0x594/0xc2c [ 67.632568][ T5228] kobject_init_and_add+0x128/0x194 [ 67.633495][ T5228] gfs2_sys_fs_add+0x208/0x428 [ 67.634340][ T5228] gfs2_fill_super+0xe20/0x1a9c [ 67.635175][ T5228] get_tree_bdev+0x35c/0x54c [ 67.635946][ T5228] gfs2_get_tree+0x58/0x1b8 [ 67.636717][ T5228] vfs_get_tree+0x90/0x278 [ 67.637446][ T5228] do_new_mount+0x228/0x804 [ 67.638181][ T5228] path_mount+0x57c/0xfe8 [ 67.638859][ T5228] __arm64_sys_mount+0x488/0x5f8 [ 67.639635][ T5228] invoke_syscall+0x98/0x28c [ 67.640425][ T5228] el0_svc_common+0x13c/0x258 [ 67.641213][ T5228] do_el0_svc+0x5c/0x140 [ 67.641930][ T5228] el0_svc+0x78/0x1d0 [ 67.642609][ T5228] el0t_64_sync_handler+0xcc/0xe4 [ 67.643436][ T5228] el0t_64_sync+0x1a0/0x1a4 [ 67.653397][ T5228] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.655883][ T5226] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.658231][ T5228] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.659349][ T5226] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.672323][ T5230] loop3: detected capacity change from 0 to 32768 [ 67.721126][ T5224] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.722405][ T5224] CPU: 1 PID: 5224 Comm: syz.2.77 Not tainted syzkaller #0 [ 67.723529][ T5224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.725108][ T5224] Call trace: [ 67.725589][ T5224] dump_backtrace+0x0/0x458 [ 67.726351][ T5224] show_stack+0x2c/0x3c [ 67.727070][ T5224] __dump_stack+0x30/0x40 [ 67.727796][ T5224] dump_stack_lvl+0xf4/0x15c [ 67.728567][ T5224] dump_stack+0x1c/0x5c [ 67.729258][ T5224] sysfs_create_dir_ns+0x244/0x264 [ 67.730151][ T5224] kobject_add_internal+0x594/0xc2c [ 67.731079][ T5224] kobject_init_and_add+0x128/0x194 [ 67.731989][ T5224] gfs2_sys_fs_add+0x208/0x428 [ 67.732769][ T5224] gfs2_fill_super+0xe20/0x1a9c [ 67.733564][ T5224] get_tree_bdev+0x35c/0x54c [ 67.734334][ T5224] gfs2_get_tree+0x58/0x1b8 [ 67.735096][ T5224] vfs_get_tree+0x90/0x278 [ 67.735841][ T5224] do_new_mount+0x228/0x804 [ 67.736594][ T5224] path_mount+0x57c/0xfe8 [ 67.737314][ T5224] __arm64_sys_mount+0x488/0x5f8 [ 67.738152][ T5224] invoke_syscall+0x98/0x28c [ 67.738971][ T5224] el0_svc_common+0x13c/0x258 [ 67.739747][ T5224] do_el0_svc+0x5c/0x140 [ 67.740539][ T5224] el0_svc+0x78/0x1d0 [ 67.741287][ T5224] el0t_64_sync_handler+0xcc/0xe4 [ 67.742244][ T5224] el0t_64_sync+0x1a0/0x1a4 [ 67.744524][ T5230] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.745749][ T5230] CPU: 0 PID: 5230 Comm: syz.3.80 Not tainted syzkaller #0 [ 67.746889][ T5230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.748661][ T5230] Call trace: [ 67.749232][ T5230] dump_backtrace+0x0/0x458 [ 67.750067][ T5230] show_stack+0x2c/0x3c [ 67.750800][ T5230] __dump_stack+0x30/0x40 [ 67.751528][ T5230] dump_stack_lvl+0xf4/0x15c [ 67.752287][ T5230] dump_stack+0x1c/0x5c [ 67.752944][ T5230] sysfs_create_dir_ns+0x244/0x264 [ 67.753767][ T5230] kobject_add_internal+0x594/0xc2c [ 67.754644][ T5230] kobject_init_and_add+0x128/0x194 [ 67.755531][ T5230] gfs2_sys_fs_add+0x208/0x428 [ 67.756333][ T5230] gfs2_fill_super+0xe20/0x1a9c [ 67.757151][ T5230] get_tree_bdev+0x35c/0x54c [ 67.758022][ T5230] gfs2_get_tree+0x58/0x1b8 [ 67.758801][ T5230] vfs_get_tree+0x90/0x278 [ 67.759555][ T5230] do_new_mount+0x228/0x804 [ 67.760328][ T5230] path_mount+0x57c/0xfe8 [ 67.761111][ T5230] __arm64_sys_mount+0x488/0x5f8 [ 67.761947][ T5230] invoke_syscall+0x98/0x28c [ 67.762783][ T5230] el0_svc_common+0x13c/0x258 [ 67.763577][ T5230] do_el0_svc+0x5c/0x140 [ 67.764260][ T5230] el0_svc+0x78/0x1d0 [ 67.764903][ T5230] el0t_64_sync_handler+0xcc/0xe4 [ 67.765760][ T5230] el0t_64_sync+0x1a0/0x1a4 [ 67.770217][ T5224] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.780767][ T5224] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.793634][ T5230] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.795817][ T5230] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.872221][ T5232] loop4: detected capacity change from 0 to 32768 [ 67.918878][ T5232] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.920061][ T5232] CPU: 1 PID: 5232 Comm: syz.4.81 Not tainted syzkaller #0 [ 67.921359][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.923089][ T5232] Call trace: [ 67.923592][ T5232] dump_backtrace+0x0/0x458 [ 67.924336][ T5232] show_stack+0x2c/0x3c [ 67.924947][ T5232] __dump_stack+0x30/0x40 [ 67.925598][ T5232] dump_stack_lvl+0xf4/0x15c [ 67.926309][ T5232] dump_stack+0x1c/0x5c [ 67.926981][ T5232] sysfs_create_dir_ns+0x244/0x264 [ 67.927991][ T5232] kobject_add_internal+0x594/0xc2c [ 67.929002][ T5232] kobject_init_and_add+0x128/0x194 [ 67.930034][ T5232] gfs2_sys_fs_add+0x208/0x428 [ 67.930966][ T5232] gfs2_fill_super+0xe20/0x1a9c [ 67.931833][ T5232] get_tree_bdev+0x35c/0x54c [ 67.932606][ T5232] gfs2_get_tree+0x58/0x1b8 [ 67.933347][ T5232] vfs_get_tree+0x90/0x278 [ 67.934102][ T5232] do_new_mount+0x228/0x804 [ 67.934849][ T5232] path_mount+0x57c/0xfe8 [ 67.935565][ T5232] __arm64_sys_mount+0x488/0x5f8 [ 67.936401][ T5232] invoke_syscall+0x98/0x28c [ 67.937170][ T5232] el0_svc_common+0x13c/0x258 [ 67.937967][ T5232] do_el0_svc+0x5c/0x140 [ 67.938701][ T5232] el0_svc+0x78/0x1d0 [ 67.939389][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 67.940210][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 67.976537][ T5232] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.978751][ T5232] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.998982][ T5236] loop2: detected capacity change from 0 to 32768 [ 68.037209][ T5236] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.038377][ T5236] CPU: 1 PID: 5236 Comm: syz.2.83 Not tainted syzkaller #0 [ 68.039449][ T5236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 68.041007][ T5236] Call trace: [ 68.041563][ T5236] dump_backtrace+0x0/0x458 [ 68.042316][ T5236] show_stack+0x2c/0x3c [ 68.042988][ T5236] __dump_stack+0x30/0x40 [ 68.043711][ T5236] dump_stack_lvl+0xf4/0x15c [ 68.044498][ T5236] dump_stack+0x1c/0x5c [ 68.045195][ T5236] sysfs_create_dir_ns+0x244/0x264 [ 68.046053][ T5236] kobject_add_internal+0x594/0xc2c [ 68.046963][ T5236] kobject_init_and_add+0x128/0x194 [ 68.047855][ T5236] gfs2_sys_fs_add+0x208/0x428 [ 68.048687][ T5236] gfs2_fill_super+0xe20/0x1a9c [ 68.049522][ T5236] get_tree_bdev+0x35c/0x54c [ 68.050336][ T5236] gfs2_get_tree+0x58/0x1b8 [ 68.051120][ T5236] vfs_get_tree+0x90/0x278 [ 68.051857][ T5236] do_new_mount+0x228/0x804 [ 68.052597][ T5236] path_mount+0x57c/0xfe8 [ 68.053314][ T5236] __arm64_sys_mount+0x488/0x5f8 [ 68.054144][ T5236] invoke_syscall+0x98/0x28c [ 68.054952][ T5236] el0_svc_common+0x13c/0x258 [ 68.055740][ T5236] do_el0_svc+0x5c/0x140 [ 68.056497][ T5236] el0_svc+0x78/0x1d0 [ 68.057191][ T5236] el0t_64_sync_handler+0xcc/0xe4 [ 68.058016][ T5236] el0t_64_sync+0x1a0/0x1a4 [ 68.076401][ T5236] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.078642][ T5236] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.079456][ T5230] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.081075][ T5230] CPU: 0 PID: 5230 Comm: syz.3.80 Not tainted syzkaller #0 [ 68.082399][ T5230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 68.084269][ T5230] Call trace: [ 68.084871][ T5230] dump_backtrace+0x0/0x458 [ 68.085636][ T5230] show_stack+0x2c/0x3c [ 68.086373][ T5230] __dump_stack+0x30/0x40 [ 68.087243][ T5230] dump_stack_lvl+0xf4/0x15c [ 68.088195][ T5230] dump_stack+0x1c/0x5c [ 68.089028][ T5230] sysfs_create_dir_ns+0x244/0x264 [ 68.090078][ T5230] kobject_add_internal+0x594/0xc2c [ 68.091139][ T5230] kobject_init_and_add+0x128/0x194 [ 68.092188][ T5230] gfs2_sys_fs_add+0x208/0x428 [ 68.093149][ T5230] gfs2_fill_super+0xe20/0x1a9c [ 68.094048][ T5230] get_tree_bdev+0x35c/0x54c [ 68.094871][ T5230] gfs2_get_tree+0x58/0x1b8 [ 68.095638][ T5230] vfs_get_tree+0x90/0x278 [ 68.096423][ T5230] do_new_mount+0x228/0x804 [ 68.097194][ T5230] path_mount+0x57c/0xfe8 [ 68.097929][ T5230] __arm64_sys_mount+0x488/0x5f8 [ 68.098770][ T5230] invoke_syscall+0x98/0x28c [ 68.099575][ T5230] el0_svc_common+0x13c/0x258 [ 68.100384][ T5230] do_el0_svc+0x5c/0x140 [ 68.101146][ T5230] el0_svc+0x78/0x1d0 [ 68.101830][ T5230] el0t_64_sync_handler+0xcc/0xe4 [ 68.102720][ T5230] el0t_64_sync+0x1a0/0x1a4 [ 68.107778][ T5234] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.108941][ T5234] CPU: 0 PID: 5234 Comm: syz.1.82 Not tainted syzkaller #0 [ 68.109999][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 68.111526][ T5234] Call trace: [ 68.112043][ T5234] dump_backtrace+0x0/0x458 [ 68.112935][ T5234] show_stack+0x2c/0x3c [ 68.113767][ T5234] __dump_stack+0x30/0x40 [ 68.114508][ T5234] dump_stack_lvl+0xf4/0x15c [ 68.115289][ T5234] dump_stack+0x1c/0x5c [ 68.116026][ T5234] sysfs_create_dir_ns+0x244/0x264 [ 68.116926][ T5234] kobject_add_internal+0x594/0xc2c [ 68.117824][ T5234] kobject_init_and_add+0x128/0x194 [ 68.118685][ T5234] gfs2_sys_fs_add+0x208/0x428 [ 68.119612][ T5234] gfs2_fill_super+0xe20/0x1a9c [ 68.120563][ T5234] get_tree_bdev+0x35c/0x54c [ 68.121341][ T5234] gfs2_get_tree+0x58/0x1b8 [ 68.122045][ T5234] vfs_get_tree+0x90/0x278 [ 68.122857][ T5234] do_new_mount+0x228/0x804 [ 68.123740][ T5234] path_mount+0x57c/0xfe8 [ 68.124568][ T5234] __arm64_sys_mount+0x488/0x5f8 [ 68.125550][ T5234] invoke_syscall+0x98/0x28c [ 68.126333][ T5234] el0_svc_common+0x13c/0x258 [ 68.127265][ T5234] do_el0_svc+0x5c/0x140 [ 68.128128][ T5234] el0_svc+0x78/0x1d0 [ 68.128930][ T5234] el0t_64_sync_handler+0xcc/0xe4 [ 68.129839][ T5234] el0t_64_sync+0x1a0/0x1a4 [ 68.156391][ T5234] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.158578][ T5234] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.171672][ T5230] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.173939][ T5230] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.196651][ T5232] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.197947][ T5232] CPU: 0 PID: 5232 Comm: syz.4.81 Not tainted syzkaller #0 [ 68.199122][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 68.200756][ T5232] Call trace: [ 68.201320][ T5232] dump_backtrace+0x0/0x458 [ 68.202066][ T5232] show_stack+0x2c/0x3c [ 68.202738][ T5232] __dump_stack+0x30/0x40 [ 68.203443][ T5232] dump_stack_lvl+0xf4/0x15c [ 68.204376][ T5232] dump_stack+0x1c/0x5c [ 68.205204][ T5232] sysfs_create_dir_ns+0x244/0x264 [ 68.206211][ T5232] kobject_add_internal+0x594/0xc2c [ 68.207207][ T5232] kobject_init_and_add+0x128/0x194 [ 68.208270][ T5232] gfs2_sys_fs_add+0x208/0x428 [ 68.209131][ T5232] gfs2_fill_super+0xe20/0x1a9c [ 68.209960][ T5232] get_tree_bdev+0x35c/0x54c [ 68.210763][ T5232] gfs2_get_tree+0x58/0x1b8 [ 68.211544][ T5232] vfs_get_tree+0x90/0x278 [ 68.212323][ T5232] do_new_mount+0x228/0x804 [ 68.213137][ T5232] path_mount+0x57c/0xfe8 [ 68.213875][ T5232] __arm64_sys_mount+0x488/0x5f8 [ 68.214729][ T5232] invoke_syscall+0x98/0x28c [ 68.215534][ T5232] el0_svc_common+0x13c/0x258 [ 68.216323][ T5232] do_el0_svc+0x5c/0x140 [ 68.217048][ T5232] el0_svc+0x78/0x1d0 [ 68.217690][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 68.218522][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 68.242156][ T5232] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.244280][ T5232] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.288327][ T5236] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.289798][ T5236] CPU: 0 PID: 5236 Comm: syz.2.83 Not tainted syzkaller #0 [ 68.291073][ T5236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 68.292840][ T5236] Call trace: [ 68.293419][ T5236] dump_backtrace+0x0/0x458 [ 68.294202][ T5236] show_stack+0x2c/0x3c [ 68.294912][ T5236] __dump_stack+0x30/0x40 [ 68.295636][ T5236] dump_stack_lvl+0xf4/0x15c [ 68.296388][ T5236] dump_stack+0x1c/0x5c [ 68.297093][ T5236] sysfs_create_dir_ns+0x244/0x264 [ 68.297928][ T5236] kobject_add_internal+0x594/0xc2c [ 68.298793][ T5236] kobject_init_and_add+0x128/0x194 [ 68.299646][ T5236] gfs2_sys_fs_add+0x208/0x428 [ 68.300490][ T5236] gfs2_fill_super+0xe20/0x1a9c [ 68.301348][ T5236] get_tree_bdev+0x35c/0x54c [ 68.302356][ T5236] gfs2_get_tree+0x58/0x1b8 [ 68.303232][ T5236] vfs_get_tree+0x90/0x278 [ 68.304147][ T5236] do_new_mount+0x228/0x804 [ 68.304997][ T5236] path_mount+0x57c/0xfe8 [ 68.305751][ T5236] __arm64_sys_mount+0x488/0x5f8 [ 68.306573][ T5236] invoke_syscall+0x98/0x28c [ 68.307497][ T5236] el0_svc_common+0x13c/0x258 [ 68.308374][ T5236] do_el0_svc+0x5c/0x140 [ 68.309221][ T5236] el0_svc+0x78/0x1d0 [ 68.310040][ T5236] el0t_64_sync_handler+0xcc/0xe4 [ 68.311058][ T5236] el0t_64_sync+0x1a0/0x1a4 [ 68.346539][ T5236] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.348691][ T5236] gfs2: fsid=syz:syz: error -17 adding sysfs files