man_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.246393][ T4310] device hsr_slave_0 entered promiscuous mode [ 79.253600][ T4310] device hsr_slave_1 entered promiscuous mode [ 79.260679][ T4310] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 79.268953][ T4310] Cannot create hsr debugfs directory [ 79.289194][ T4303] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.296225][ T4303] 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. [ 79.322653][ T4303] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.356617][ T4313] device hsr_slave_0 entered promiscuous mode [ 79.363958][ T4313] device hsr_slave_1 entered promiscuous mode [ 79.370874][ T4313] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 79.379533][ T4313] Cannot create hsr debugfs directory [ 79.515641][ T4303] device hsr_slave_0 entered promiscuous mode [ 79.523747][ T4303] device hsr_slave_1 entered promiscuous mode [ 79.532720][ T4303] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 79.541251][ T4303] Cannot create hsr debugfs directory [ 79.831127][ T4311] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 79.842552][ T4311] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 79.854200][ T4311] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 79.883215][ T4311] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 79.948222][ T4301] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 79.972564][ T4301] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.001238][ T4301] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.013079][ T4301] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.076573][ T4313] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.094217][ T4310] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 80.123752][ T4310] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 80.153527][ T4310] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 80.193115][ T4310] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 80.229712][ T4311] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.255096][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.270494][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.286254][ T4311] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.308811][ T4301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.328852][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.340662][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.350371][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.357906][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.385227][ T4301] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.406259][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.415248][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.424084][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.432846][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.449839][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.464740][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.471891][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.487639][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.544604][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.554468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.572530][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.589169][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.600554][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.610150][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.621340][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.630286][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.645875][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.663344][ T4310] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.673046][ T4311] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.698659][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.714929][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.724038][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.740137][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.747246][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.760450][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.772949][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.785259][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.792419][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.808016][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.817085][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.863849][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.888234][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.907731][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.924212][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.948658][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.968098][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.976837][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.985134][ T4285] Bluetooth: hci1: command 0x041b tx timeout [ 81.003994][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.013859][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.029791][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.044508][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.054990][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.068111][ T4285] Bluetooth: hci0: command 0x041b tx timeout [ 81.077878][ T4301] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.099241][ T4310] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.139236][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.148432][ T4296] Bluetooth: hci2: command 0x041b tx timeout [ 81.178596][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.187161][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.194302][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.217902][ T4285] Bluetooth: hci3: command 0x041b tx timeout [ 81.224597][ T4285] Bluetooth: hci4: command 0x041b tx timeout [ 81.252665][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.305984][ T4311] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.317735][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.326597][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.342557][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.349705][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.358513][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.367950][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.376979][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.388853][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.436449][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 81.459276][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.473292][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.489822][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.532276][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.542870][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.552860][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.562655][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.571064][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.579331][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.595256][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.614581][ T4301] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.632286][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.649430][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.658547][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 81.666990][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.685442][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.700478][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.717730][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.732573][ T4311] device veth0_vlan entered promiscuous mode [ 81.776234][ T4311] device veth1_vlan entered promiscuous mode [ 81.790899][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 81.816144][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.848427][ T4313] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.882415][ T4301] device veth0_vlan entered promiscuous mode [ 81.901105][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 81.913960][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.936677][ T4313] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.977097][ T4311] device veth0_macvtap entered promiscuous mode [ 81.993506][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.006192][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.024426][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 82.036433][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.053651][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.065501][ T4301] device veth1_vlan entered promiscuous mode [ 82.083362][ T4311] device veth1_macvtap entered promiscuous mode [ 82.106079][ T4313] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.155294][ T4311] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 82.169481][ T4311] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 82.182610][ T4311] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.196053][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.205183][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 82.213940][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 82.223200][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.231464][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.239685][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 82.250514][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.276954][ T4310] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.289499][ T4311] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 82.308000][ T4311] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 82.326274][ T4311] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.339889][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 82.357181][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.375296][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 82.384808][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 82.406812][ T4301] device veth0_macvtap entered promiscuous mode [ 82.420070][ T4311] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.437782][ T4311] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.446551][ T4311] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.455961][ T4311] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.491145][ T4301] device veth1_macvtap entered promiscuous mode [ 82.523815][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.534096][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 82.543358][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 82.553073][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.576587][ T4301] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 82.589385][ T4301] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 82.600297][ T4301] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 82.611445][ T4301] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 82.627079][ T4301] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.666996][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 82.678678][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.692984][ T4301] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 82.704208][ T4301] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 82.715407][ T4301] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 82.726271][ T4301] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 82.739152][ T4301] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.788151][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 82.798660][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 82.815097][ T4301] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.830863][ T4301] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.842182][ T4301] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.855455][ T4301] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.870396][ T4313] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 82.890328][ T4313] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 82.937028][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 82.946506][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.955764][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.963234][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.971737][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.980646][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.989381][ T4313] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 82.999673][ T4313] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 83.027993][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 83.040341][ T4310] device veth0_vlan entered promiscuous mode [ 83.058307][ T4285] Bluetooth: hci1: command 0x040f tx timeout [ 83.073708][ T4310] device veth1_vlan entered promiscuous mode [ 83.111022][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.132006][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.149127][ T4286] Bluetooth: hci0: command 0x040f tx timeout [ 83.174960][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.192954][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.205012][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 83.217937][ T4286] Bluetooth: hci2: command 0x040f tx timeout [ 83.248619][ T4310] device veth0_macvtap entered promiscuous mode [ 83.269633][ T4303] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 83.284088][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 2026/04/21 01:23:11 executed programs: 10 [ 83.297648][ T4286] Bluetooth: hci4: command 0x040f tx timeout [ 83.304414][ T4303] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 83.308627][ T4286] Bluetooth: hci3: command 0x040f tx timeout [ 83.327543][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.351835][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.370954][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.381496][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 83.430710][ T4310] device veth1_macvtap entered promiscuous mode [ 83.448464][ T4303] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 83.489074][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.506189][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.527796][ T4303] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 83.585932][ T4310] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 83.599073][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.607136][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.623367][ T4310] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.643346][ T4310] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 83.656231][ T4310] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.670630][ T4310] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 83.683681][ T4310] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.700720][ T4310] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.739739][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 83.749343][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.766340][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.780280][ T4310] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 83.798727][ T4310] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.815211][ T4310] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 83.827549][ T4310] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.845026][ T4310] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 83.856745][ T4310] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.879601][ T4310] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.936474][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.956762][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.991086][ T4310] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.024293][ T4310] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.044566][ T4310] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.064869][ T4310] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.122864][ T4313] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.159395][ T4357] loop2: detected capacity change from 0 to 32768 [ 84.234747][ T4357] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 84.253867][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 84.279150][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 84.306685][ T4357] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 84.350833][ T4313] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.374229][ T4303] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.402886][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 84.425940][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.435933][ T4357] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 0ms [ 84.448425][ T4341] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.455819][ T4341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.478415][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.508340][ T4341] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.517570][ T4341] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.555935][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.570141][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 84.583675][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.596004][ T4341] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.603306][ T4341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.634786][ T4303] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.641729][ T4357] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 84.653639][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 84.683058][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 84.693727][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 84.701967][ T4357] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 84.701967][ T4357] bh = 2081 (type: exp=3, found=14) [ 84.701967][ T4357] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 84.733041][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.743397][ T4357] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 84.755172][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.774272][ T4357] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 84.795630][ T4357] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 84.819426][ T4357] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 84.820187][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 84.826218][ T4357] CPU: 1 PID: 4357 Comm: syz.2.19 Not tainted syzkaller #0 [ 84.840618][ T4357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.850731][ T4357] Call Trace: [ 84.854052][ T4357] [ 84.857017][ T4357] dump_stack_lvl+0x188/0x250 [ 84.861633][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 84.861770][ T4357] ? kobject_uevent_env+0x371/0x890 [ 84.874978][ T4357] ? show_regs_print_info+0x20/0x20 [ 84.880220][ T4357] ? load_image+0x400/0x400 [ 84.884765][ T4357] ? kobject_uevent_env+0x371/0x890 [ 84.890153][ T4357] gfs2_withdraw+0x1149/0x1490 [ 84.894989][ T4357] ? gfs2_lm+0x240/0x240 [ 84.899309][ T4357] ? gfs2_meta_read+0x7de/0xa60 [ 84.902290][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 84.904299][ T4357] ? gfs2_meta_new+0x160/0x160 [ 84.917267][ T4357] gfs2_metatype_check_ii+0x74/0x90 [ 84.922536][ T4357] gfs2_rgrp_bh_get+0x3a6/0x1350 [ 84.927949][ T4357] ? do_raw_spin_unlock+0x11d/0x230 [ 84.933327][ T4357] do_promote+0x741/0xab0 [ 84.937728][ T4357] finish_xmote+0x4df/0xb00 [ 84.942293][ T4357] do_xmote+0x7b6/0x1120 [ 84.946843][ T4357] gfs2_glock_nq+0xc7a/0x1550 [ 84.951581][ T4357] gfs2_inplace_reserve+0xd1a/0x3640 [ 84.957001][ T4357] ? do_read_cache_page+0xc5e/0x1030 [ 84.959337][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.962605][ T4357] ? gfs2_rgrp_out+0x700/0x700 [ 84.975490][ T4357] ? gfs2_write_calc_reserv+0x251/0x370 [ 84.981249][ T4357] gfs2_set_dqblk+0x8ac/0xc30 [ 84.986246][ T4357] ? gfs2_get_dqblk+0x5d0/0x5d0 [ 84.991152][ T4357] ? gfs2_glock_nq_init+0x26/0x60 [ 84.996251][ T4357] ? gfs2_glock_nq_init+0x26/0x60 [ 85.001410][ T4341] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.008521][ T4357] ? from_kgid+0x169/0x690 [ 85.008553][ T4357] ? lockdep_hardirqs_on+0x94/0x140 [ 85.008583][ T4357] ? __might_fault+0xb3/0x110 [ 85.013207][ T4341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.018518][ T4357] quota_setquota+0x4d6/0x590 [ 85.018545][ T4357] ? quota_getnextquota+0x4a0/0x4a0 [ 85.040630][ T4357] ? bpf_lsm_capable+0x5/0x10 [ 85.045367][ T4357] ? do_quotactl+0x4f3/0x710 [ 85.050001][ T4357] __se_sys_quotactl+0x28b/0x6f0 [ 85.054980][ T4357] ? __x64_sys_quotactl+0xa0/0xa0 [ 85.060131][ T4357] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 85.066269][ T4357] ? lock_chain_count+0x20/0x20 [ 85.071379][ T4357] ? vtime_user_exit+0x2c8/0x3e0 [ 85.074906][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 85.076376][ T4357] ? lockdep_hardirqs_on+0x94/0x140 [ 85.089973][ T4357] do_syscall_64+0x4c/0xa0 [ 85.094467][ T4357] ? clear_bhb_loop+0x30/0x80 [ 85.099183][ T4357] ? clear_bhb_loop+0x30/0x80 [ 85.103901][ T4357] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.109845][ T4357] RIP: 0033:0x7f2cdad67819 [ 85.114296][ T4357] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 85.133942][ T4357] RSP: 002b:00007f2cda3c9028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 85.136729][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 85.142689][ T4357] RAX: ffffffffffffffda RBX: 00007f2cdafe0fa0 RCX: 00007f2cdad67819 [ 85.142714][ T4357] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 85.142730][ T4357] RBP: 00007f2cdadfdc91 R08: 0000000000000000 R09: 0000000000000000 [ 85.142745][ T4357] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 85.178555][ T4284] Bluetooth: hci1: command 0x0419 tx timeout [ 85.182926][ T4357] R13: 00007f2cdafe1038 R14: 00007f2cdafe0fa0 R15: 00007fffb4eee368 [ 85.197182][ T4357] [ 85.202302][ T4341] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.209613][ T4341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.239544][ T4296] Bluetooth: hci0: command 0x0419 tx timeout [ 85.262519][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 85.308305][ T4296] Bluetooth: hci2: command 0x0419 tx timeout [ 85.337204][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 85.358796][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 85.377645][ T4296] Bluetooth: hci3: command 0x0419 tx timeout [ 85.383857][ T4296] Bluetooth: hci4: command 0x0419 tx timeout [ 85.390884][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 85.419184][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 85.453075][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 85.480583][ T4363] syz.2.19 (4363): drop_caches: 2 [ 85.502607][ T4360] loop0: detected capacity change from 0 to 32768 [ 85.512342][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 85.537119][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 85.546201][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 85.579839][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 85.588745][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 85.615448][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 85.644544][ T4313] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 85.661366][ T4360] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 85.687155][ T4360] CPU: 0 PID: 4360 Comm: syz.0.17 Not tainted syzkaller #0 [ 85.694475][ T4360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.704660][ T4360] Call Trace: [ 85.708157][ T4360] [ 85.711123][ T4360] dump_stack_lvl+0x188/0x250 [ 85.715951][ T4360] ? show_regs_print_info+0x20/0x20 [ 85.721197][ T4360] ? load_image+0x400/0x400 [ 85.725765][ T4360] sysfs_create_dir_ns+0x26a/0x290 [ 85.731136][ T4360] ? sysfs_warn_dup+0xa0/0xa0 [ 85.736133][ T4360] ? do_raw_spin_unlock+0x11d/0x230 [ 85.741418][ T4360] kobject_add_internal+0x6e0/0xd90 [ 85.746415][ T4313] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 85.746681][ T4360] kobject_init_and_add+0x128/0x190 [ 85.758223][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 85.759011][ T4360] ? lockdep_softirqs_off+0x430/0x430 [ 85.771680][ T4360] ? kobject_add+0x230/0x230 [ 85.776497][ T4360] ? __init_swait_queue_head+0xa5/0x150 [ 85.776790][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 85.782152][ T4360] gfs2_sys_fs_add+0x24f/0x4b0 [ 85.782179][ T4360] ? gfs2_recover_set+0x240/0x240 [ 85.782196][ T4360] ? snprintf+0xe5/0x140 [ 85.782209][ T4360] ? __free_pages+0x95/0x1a0 [ 85.782228][ T4360] ? vscnprintf+0x80/0x80 [ 85.782293][ T4360] gfs2_fill_super+0x120f/0x1f00 [ 85.782332][ T4360] ? gfs2_reconfigure+0xd30/0xd30 [ 85.782371][ T4360] ? sb_set_blocksize+0xa5/0xe0 [ 85.782391][ T4360] get_tree_bdev+0x3f1/0x610 [ 85.782416][ T4360] ? gfs2_reconfigure+0xd30/0xd30 [ 85.782440][ T4360] gfs2_get_tree+0x4d/0x1e0 [ 85.782464][ T4360] vfs_get_tree+0x88/0x270 [ 85.782488][ T4360] do_new_mount+0x24a/0xa40 [ 85.782525][ T4360] __se_sys_mount+0x2e3/0x3d0 [ 85.782553][ T4360] ? __x64_sys_mount+0xc0/0xc0 [ 85.805463][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 85.809378][ T4360] ? lockdep_hardirqs_on+0x94/0x140 [ 85.809407][ T4360] ? __x64_sys_mount+0x1c/0xc0 [ 85.809432][ T4360] do_syscall_64+0x4c/0xa0 [ 85.809453][ T4360] ? clear_bhb_loop+0x30/0x80 [ 85.809473][ T4360] ? clear_bhb_loop+0x30/0x80 [ 85.809495][ T4360] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.823874][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 85.824172][ T4360] RIP: 0033:0x7f03e28b6a8a [ 85.855695][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 85.856896][ T4360] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 85.940405][ T4360] RSP: 002b:00007f03e1f16e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 85.948872][ T4360] RAX: ffffffffffffffda RBX: 00007f03e1f16ee0 RCX: 00007f03e28b6a8a [ 85.956887][ T4360] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f03e1f16ea0 [ 85.965166][ T4360] RBP: 00002000000008c0 R08: 00007f03e1f16ee0 R09: 0000000000008c1b [ 85.973187][ T4360] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 85.981293][ T4360] R13: 00007f03e1f16ea0 R14: 000000000001276f R15: 0000200000000240 [ 85.989346][ T4360] [ 86.003948][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 86.012566][ T4360] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 86.027218][ T4360] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 86.053694][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 86.243124][ T4303] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 86.291668][ T4303] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 86.317314][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 86.336861][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 86.411428][ T4360] syz.0.17 (4360): drop_caches: 2 [ 86.740572][ T1108] cfg80211: failed to load regulatory.db [ 86.810737][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 86.838312][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 86.880464][ T4303] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 86.974932][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 86.998157][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 87.039327][ T4313] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.049782][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 87.078301][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 87.193314][ T4303] device veth0_vlan entered promiscuous mode [ 87.256238][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 87.277897][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 87.306991][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 87.326988][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 87.347991][ T4371] loop3: detected capacity change from 0 to 32768 [ 87.362333][ T4303] device veth1_vlan entered promiscuous mode [ 87.456418][ T4371] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 87.506939][ T4371] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 87.586432][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 87.618468][ T4371] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 0ms [ 87.623311][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 87.665470][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 87.698593][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 87.740835][ T4303] device veth0_macvtap entered promiscuous mode [ 87.784751][ T4303] device veth1_macvtap entered promiscuous mode [ 87.847634][ T4347] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 87.858756][ T4347] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 87.925404][ T4378] loop0: detected capacity change from 0 to 32768 [ 87.981318][ T4371] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 87.984293][ T4378] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 88.002618][ T4379] loop2: detected capacity change from 0 to 32768 [ 88.050990][ T4371] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 88.050990][ T4371] bh = 2081 (type: exp=3, found=14) [ 88.050990][ T4371] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 88.058651][ T4378] CPU: 0 PID: 4378 Comm: syz.0.23 Not tainted syzkaller #0 [ 88.078780][ T4378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.088878][ T4378] Call Trace: [ 88.092198][ T4378] [ 88.095178][ T4378] dump_stack_lvl+0x188/0x250 [ 88.100036][ T4378] ? show_regs_print_info+0x20/0x20 [ 88.105276][ T4378] ? load_image+0x400/0x400 [ 88.109929][ T4378] sysfs_create_dir_ns+0x26a/0x290 [ 88.115082][ T4378] ? sysfs_warn_dup+0xa0/0xa0 [ 88.119829][ T4378] ? do_raw_spin_unlock+0x11d/0x230 [ 88.125075][ T4378] kobject_add_internal+0x6e0/0xd90 [ 88.127113][ T4371] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 88.130318][ T4378] kobject_init_and_add+0x128/0x190 [ 88.130342][ T4378] ? lockdep_softirqs_off+0x430/0x430 [ 88.130371][ T4378] ? kobject_add+0x230/0x230 [ 88.130397][ T4378] ? __init_swait_queue_head+0xa5/0x150 [ 88.130425][ T4378] gfs2_sys_fs_add+0x24f/0x4b0 [ 88.130451][ T4378] ? gfs2_recover_set+0x240/0x240 [ 88.130473][ T4378] ? snprintf+0xe5/0x140 [ 88.153982][ T4371] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 88.159101][ T4378] ? __free_pages+0x95/0x1a0 [ 88.159134][ T4378] ? vscnprintf+0x80/0x80 [ 88.159165][ T4378] gfs2_fill_super+0x120f/0x1f00 [ 88.159205][ T4378] ? gfs2_reconfigure+0xd30/0xd30 [ 88.165724][ T4371] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 88.169048][ T4378] ? sb_set_blocksize+0xa5/0xe0 [ 88.169076][ T4378] get_tree_bdev+0x3f1/0x610 [ 88.169102][ T4378] ? gfs2_reconfigure+0xd30/0xd30 [ 88.176342][ T4371] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 88.182915][ T4378] gfs2_get_tree+0x4d/0x1e0 [ 88.182947][ T4378] vfs_get_tree+0x88/0x270 [ 88.182973][ T4378] do_new_mount+0x24a/0xa40 [ 88.183003][ T4378] __se_sys_mount+0x2e3/0x3d0 [ 88.183029][ T4378] ? __x64_sys_mount+0xc0/0xc0 [ 88.183055][ T4378] ? lockdep_hardirqs_on+0x94/0x140 [ 88.183078][ T4378] ? __x64_sys_mount+0x1c/0xc0 [ 88.183100][ T4378] do_syscall_64+0x4c/0xa0 [ 88.183119][ T4378] ? clear_bhb_loop+0x30/0x80 [ 88.183139][ T4378] ? clear_bhb_loop+0x30/0x80 [ 88.183160][ T4378] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 88.183182][ T4378] RIP: 0033:0x7f03e28b6a8a [ 88.183203][ T4378] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 88.183221][ T4378] RSP: 002b:00007f03e1f16e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 88.183252][ T4378] RAX: ffffffffffffffda RBX: 00007f03e1f16ee0 RCX: 00007f03e28b6a8a [ 88.183268][ T4378] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f03e1f16ea0 [ 88.183284][ T4378] RBP: 00002000000008c0 R08: 00007f03e1f16ee0 R09: 0000000000008c1b [ 88.183299][ T4378] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 88.183313][ T4378] R13: 00007f03e1f16ea0 R14: 000000000001276f R15: 0000200000000240 [ 88.183342][ T4378] [ 88.369572][ T4303] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 88.407645][ T4379] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 88.416044][ T4371] CPU: 0 PID: 4371 Comm: syz.3.20 Not tainted syzkaller #0 [ 88.423448][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.433820][ T4371] Call Trace: [ 88.433852][ T4303] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 88.437230][ T4371] [ 88.437242][ T4371] dump_stack_lvl+0x188/0x250 [ 88.454992][ T4371] ? kobject_uevent_env+0x371/0x890 [ 88.460255][ T4371] ? show_regs_print_info+0x20/0x20 [ 88.465512][ T4371] ? load_image+0x400/0x400 [ 88.470057][ T4371] ? kobject_uevent_env+0x371/0x890 [ 88.475319][ T4371] gfs2_withdraw+0x1149/0x1490 [ 88.480335][ T4371] ? gfs2_lm+0x240/0x240 [ 88.484637][ T4371] ? gfs2_meta_read+0x7de/0xa60 [ 88.489689][ T4371] ? gfs2_meta_new+0x160/0x160 [ 88.494507][ T4371] gfs2_metatype_check_ii+0x74/0x90 [ 88.499792][ T4371] gfs2_rgrp_bh_get+0x3a6/0x1350 [ 88.504810][ T4371] ? do_raw_spin_unlock+0x11d/0x230 [ 88.510064][ T4371] do_promote+0x741/0xab0 [ 88.514649][ T4371] finish_xmote+0x4df/0xb00 [ 88.519247][ T4371] do_xmote+0x7b6/0x1120 [ 88.523654][ T4371] gfs2_glock_nq+0xc7a/0x1550 [ 88.528600][ T4371] gfs2_inplace_reserve+0xd1a/0x3640 [ 88.533940][ T4371] ? do_read_cache_page+0xc5e/0x1030 [ 88.539302][ T4371] ? gfs2_rgrp_out+0x700/0x700 [ 88.541888][ T4303] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 88.544147][ T4371] ? gfs2_write_calc_reserv+0x251/0x370 [ 88.544193][ T4371] gfs2_set_dqblk+0x8ac/0xc30 [ 88.565394][ T4371] ? gfs2_get_dqblk+0x5d0/0x5d0 [ 88.570294][ T4371] ? gfs2_glock_nq_init+0x26/0x60 [ 88.575500][ T4371] ? gfs2_glock_nq_init+0x26/0x60 [ 88.580565][ T4371] ? from_kgid+0x169/0x690 [ 88.585029][ T4371] ? __might_fault+0xb3/0x110 [ 88.589751][ T4371] quota_setquota+0x4d6/0x590 [ 88.594467][ T4371] ? quota_getnextquota+0x4a0/0x4a0 [ 88.599720][ T4371] ? bpf_lsm_capable+0x5/0x10 [ 88.604457][ T4371] ? do_quotactl+0x4f3/0x710 [ 88.609105][ T4371] __se_sys_quotactl+0x28b/0x6f0 [ 88.614095][ T4371] ? __x64_sys_quotactl+0xa0/0xa0 [ 88.619222][ T4371] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 88.625420][ T4371] ? lock_chain_count+0x20/0x20 [ 88.630303][ T4371] ? vtime_user_exit+0x2c8/0x3e0 [ 88.630864][ T4303] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 88.635283][ T4371] ? lockdep_hardirqs_on+0x94/0x140 [ 88.650312][ T4371] do_syscall_64+0x4c/0xa0 [ 88.654852][ T4371] ? clear_bhb_loop+0x30/0x80 [ 88.659564][ T4371] ? clear_bhb_loop+0x30/0x80 [ 88.664458][ T4371] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 88.670491][ T4371] RIP: 0033:0x7fbdf4237819 [ 88.675035][ T4371] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 88.694927][ T4371] RSP: 002b:00007fbdf3899028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 88.703568][ T4371] RAX: ffffffffffffffda RBX: 00007fbdf44b0fa0 RCX: 00007fbdf4237819 [ 88.711586][ T4371] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 88.719685][ T4371] RBP: 00007fbdf42cdc91 R08: 0000000000000000 R09: 0000000000000000 [ 88.719774][ T4303] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 88.727691][ T4371] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 88.727708][ T4371] R13: 00007fbdf44b1038 R14: 00007fbdf44b0fa0 R15: 00007ffe95b3eb88 [ 88.727739][ T4371] [ 88.777599][ T4379] CPU: 1 PID: 4379 Comm: syz.2.22 Not tainted syzkaller #0 [ 88.784870][ T4379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.794957][ T4379] Call Trace: [ 88.798289][ T4379] [ 88.801250][ T4379] dump_stack_lvl+0x188/0x250 [ 88.805968][ T4379] ? show_regs_print_info+0x20/0x20 [ 88.811292][ T4379] ? load_image+0x400/0x400 [ 88.815847][ T4379] sysfs_create_dir_ns+0x26a/0x290 [ 88.820997][ T4379] ? sysfs_warn_dup+0xa0/0xa0 [ 88.825714][ T4379] ? do_raw_spin_unlock+0x11d/0x230 [ 88.830961][ T4379] kobject_add_internal+0x6e0/0xd90 [ 88.836298][ T4379] kobject_init_and_add+0x128/0x190 [ 88.841533][ T4379] ? lockdep_softirqs_off+0x430/0x430 [ 88.846953][ T4379] ? kobject_add+0x230/0x230 [ 88.851592][ T4379] ? __init_swait_queue_head+0xa5/0x150 [ 88.857185][ T4379] gfs2_sys_fs_add+0x24f/0x4b0 [ 88.862164][ T4379] ? gfs2_recover_set+0x240/0x240 [ 88.867449][ T4379] ? snprintf+0xe5/0x140 [ 88.871981][ T4379] ? __free_pages+0x95/0x1a0 [ 88.876619][ T4379] ? vscnprintf+0x80/0x80 [ 88.881170][ T4379] gfs2_fill_super+0x120f/0x1f00 [ 88.886153][ T4379] ? gfs2_reconfigure+0xd30/0xd30 [ 88.891227][ T4379] ? sb_set_blocksize+0xa5/0xe0 [ 88.896142][ T4379] get_tree_bdev+0x3f1/0x610 [ 88.900770][ T4379] ? gfs2_reconfigure+0xd30/0xd30 [ 88.905840][ T4379] gfs2_get_tree+0x4d/0x1e0 [ 88.910387][ T4379] vfs_get_tree+0x88/0x270 [ 88.914854][ T4379] do_new_mount+0x24a/0xa40 [ 88.919414][ T4379] __se_sys_mount+0x2e3/0x3d0 [ 88.924165][ T4379] ? __x64_sys_mount+0xc0/0xc0 [ 88.928965][ T4379] ? lockdep_hardirqs_on+0x94/0x140 [ 88.934191][ T4379] ? __x64_sys_mount+0x1c/0xc0 [ 88.938986][ T4379] do_syscall_64+0x4c/0xa0 [ 88.941958][ T4378] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 88.943436][ T4379] ? clear_bhb_loop+0x30/0x80 [ 88.962079][ T4379] ? clear_bhb_loop+0x30/0x80 [ 88.966879][ T4379] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 88.972813][ T4379] RIP: 0033:0x7f2cdad68a8a [ 88.977565][ T4379] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 88.997409][ T4379] RSP: 002b:00007f2cda3c8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 89.006081][ T4379] RAX: ffffffffffffffda RBX: 00007f2cda3c8ee0 RCX: 00007f2cdad68a8a [ 89.014587][ T4379] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f2cda3c8ea0 [ 89.022777][ T4379] RBP: 00002000000008c0 R08: 00007f2cda3c8ee0 R09: 0000000000008c1b [ 89.030795][ T4379] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 89.039503][ T4379] R13: 00007f2cda3c8ea0 R14: 000000000001276f R15: 0000200000000240 [ 89.047532][ T4379] [ 89.067414][ T4378] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 89.116625][ T4303] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 89.130211][ T4303] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 89.160052][ T4303] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 89.180007][ T4303] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 89.201294][ T4303] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 89.222344][ T4303] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 89.234906][ T4303] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 89.252987][ T4303] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 89.264437][ T4303] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 89.286177][ T4303] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 89.304143][ T4303] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 89.314922][ T4303] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 89.334731][ T4303] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 89.359409][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 89.364411][ T4379] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 89.390258][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 2026/04/21 01:23:17 executed programs: 15 [ 89.426238][ T4379] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 89.451216][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 89.488282][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 89.529480][ T4303] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.546551][ T4303] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.567488][ T4303] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.587446][ T4303] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.633367][ T4378] ODEBUG: Out of memory. ODEBUG disabled [ 89.704938][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 89.728316][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 89.751019][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 89.776579][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 89.822250][ T4313] device veth0_vlan entered promiscuous mode [ 89.890286][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 89.903100][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 89.927300][ T4313] device veth1_vlan entered promiscuous mode [ 90.005044][ T4378] syz.0.23 (4378): drop_caches: 2 [ 90.066913][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.109228][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.150817][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 90.174257][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 90.215759][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 90.252800][ T4313] device veth0_macvtap entered promiscuous mode [ 90.269366][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 90.291125][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 90.306631][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 90.330915][ T9] device hsr_slave_0 left promiscuous mode [ 90.338103][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.347961][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.363702][ T9] device hsr_slave_1 left promiscuous mode [ 90.378202][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 90.385961][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 90.419754][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 90.447539][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 90.464655][ T9] device bridge_slave_1 left promiscuous mode [ 90.478548][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.504568][ T9] device bridge_slave_0 left promiscuous mode [ 90.527754][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.576033][ T9] device veth1_macvtap left promiscuous mode [ 90.588231][ T9] device veth0_macvtap left promiscuous mode [ 90.594507][ T9] device veth1_vlan left promiscuous mode [ 90.611018][ T9] device veth0_vlan left promiscuous mode [ 90.847279][ T4394] loop0: detected capacity change from 0 to 32768 [ 90.882644][ T4394] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 90.895400][ T4396] loop2: detected capacity change from 0 to 32768 [ 90.904731][ T4394] CPU: 0 PID: 4394 Comm: syz.0.25 Not tainted syzkaller #0 [ 90.912208][ T4394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 90.922514][ T4394] Call Trace: [ 90.925834][ T4394] [ 90.928887][ T4394] dump_stack_lvl+0x188/0x250 [ 90.933620][ T4394] ? show_regs_print_info+0x20/0x20 [ 90.938866][ T4394] ? load_image+0x400/0x400 [ 90.943419][ T4394] sysfs_create_dir_ns+0x26a/0x290 [ 90.948676][ T4394] ? sysfs_warn_dup+0xa0/0xa0 [ 90.953498][ T4394] ? do_raw_spin_unlock+0x11d/0x230 [ 90.958755][ T4394] kobject_add_internal+0x6e0/0xd90 [ 90.959908][ T4396] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 90.964227][ T4394] kobject_init_and_add+0x128/0x190 [ 90.977572][ T4394] ? lockdep_softirqs_off+0x430/0x430 [ 90.983042][ T4394] ? kobject_add+0x230/0x230 [ 90.987695][ T4394] ? __init_swait_queue_head+0xa5/0x150 [ 90.993303][ T4394] gfs2_sys_fs_add+0x24f/0x4b0 [ 90.998125][ T4394] ? gfs2_recover_set+0x240/0x240 [ 91.003408][ T4394] ? snprintf+0xe5/0x140 [ 91.007842][ T4394] ? __free_pages+0x95/0x1a0 [ 91.012725][ T4394] ? vscnprintf+0x80/0x80 [ 91.017195][ T4394] gfs2_fill_super+0x120f/0x1f00 [ 91.022274][ T4394] ? gfs2_reconfigure+0xd30/0xd30 [ 91.027368][ T4394] ? sb_set_blocksize+0xa5/0xe0 [ 91.032356][ T4394] get_tree_bdev+0x3f1/0x610 [ 91.037096][ T4394] ? gfs2_reconfigure+0xd30/0xd30 [ 91.042164][ T4394] gfs2_get_tree+0x4d/0x1e0 [ 91.046714][ T4394] vfs_get_tree+0x88/0x270 [ 91.051183][ T4394] do_new_mount+0x24a/0xa40 [ 91.055738][ T4394] __se_sys_mount+0x2e3/0x3d0 [ 91.060489][ T4394] ? __x64_sys_mount+0xc0/0xc0 [ 91.065388][ T4394] ? lockdep_hardirqs_on+0x94/0x140 [ 91.070638][ T4394] ? __x64_sys_mount+0x1c/0xc0 [ 91.075741][ T4394] do_syscall_64+0x4c/0xa0 [ 91.080415][ T4394] ? clear_bhb_loop+0x30/0x80 [ 91.085132][ T4394] ? clear_bhb_loop+0x30/0x80 [ 91.089885][ T4394] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.095821][ T4394] RIP: 0033:0x7f03e28b6a8a [ 91.100279][ T4394] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 91.119930][ T4394] RSP: 002b:00007f03e1f16e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 91.128407][ T4394] RAX: ffffffffffffffda RBX: 00007f03e1f16ee0 RCX: 00007f03e28b6a8a [ 91.136421][ T4394] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f03e1f16ea0 [ 91.144446][ T4394] RBP: 00002000000008c0 R08: 00007f03e1f16ee0 R09: 0000000000008c1b [ 91.152593][ T4394] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 91.160780][ T4394] R13: 00007f03e1f16ea0 R14: 000000000001276f R15: 0000200000000240 [ 91.168825][ T4394] [ 91.185068][ T4394] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 91.200490][ T4394] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 91.219189][ T4396] CPU: 1 PID: 4396 Comm: syz.2.26 Not tainted syzkaller #0 [ 91.226467][ T4396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.236567][ T4396] Call Trace: [ 91.239890][ T4396] [ 91.242858][ T4396] dump_stack_lvl+0x188/0x250 [ 91.247578][ T4396] ? show_regs_print_info+0x20/0x20 [ 91.252954][ T4396] ? load_image+0x400/0x400 [ 91.257527][ T4396] sysfs_create_dir_ns+0x26a/0x290 [ 91.262979][ T4396] ? sysfs_warn_dup+0xa0/0xa0 [ 91.267701][ T4396] ? do_raw_spin_unlock+0x11d/0x230 [ 91.272951][ T4396] kobject_add_internal+0x6e0/0xd90 [ 91.278194][ T4396] kobject_init_and_add+0x128/0x190 [ 91.283523][ T4396] ? lockdep_softirqs_off+0x430/0x430 [ 91.288943][ T4396] ? kobject_add+0x230/0x230 [ 91.293591][ T4396] ? __init_swait_queue_head+0xa5/0x150 [ 91.299212][ T4396] gfs2_sys_fs_add+0x24f/0x4b0 [ 91.304024][ T4396] ? gfs2_recover_set+0x240/0x240 [ 91.309179][ T4396] ? snprintf+0xe5/0x140 [ 91.313547][ T4396] ? __free_pages+0x95/0x1a0 [ 91.318192][ T4396] ? vscnprintf+0x80/0x80 [ 91.322585][ T4396] gfs2_fill_super+0x120f/0x1f00 [ 91.327572][ T4396] ? gfs2_reconfigure+0xd30/0xd30 [ 91.332749][ T4396] ? sb_set_blocksize+0xa5/0xe0 [ 91.337731][ T4396] get_tree_bdev+0x3f1/0x610 [ 91.342357][ T4396] ? gfs2_reconfigure+0xd30/0xd30 [ 91.347426][ T4396] gfs2_get_tree+0x4d/0x1e0 [ 91.351974][ T4396] vfs_get_tree+0x88/0x270 [ 91.356427][ T4396] do_new_mount+0x24a/0xa40 [ 91.360987][ T4396] __se_sys_mount+0x2e3/0x3d0 [ 91.365728][ T4396] ? __x64_sys_mount+0xc0/0xc0 [ 91.370587][ T4396] ? lockdep_hardirqs_on+0x94/0x140 [ 91.375832][ T4396] ? __x64_sys_mount+0x1c/0xc0 [ 91.380630][ T4396] do_syscall_64+0x4c/0xa0 [ 91.385084][ T4396] ? clear_bhb_loop+0x30/0x80 [ 91.389800][ T4396] ? clear_bhb_loop+0x30/0x80 [ 91.394530][ T4396] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.400477][ T4396] RIP: 0033:0x7f2cdad68a8a [ 91.404985][ T4396] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 91.425118][ T4396] RSP: 002b:00007f2cda3c8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 91.433586][ T4396] RAX: ffffffffffffffda RBX: 00007f2cda3c8ee0 RCX: 00007f2cdad68a8a [ 91.441693][ T4396] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f2cda3c8ea0 [ 91.449711][ T4396] RBP: 00002000000008c0 R08: 00007f2cda3c8ee0 R09: 0000000000008c1b [ 91.457731][ T4396] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 91.465995][ T4396] R13: 00007f2cda3c8ea0 R14: 000000000001276f R15: 0000200000000240 [ 91.474065][ T4396] [ 91.498932][ T4396] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 91.512848][ T4396] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 91.768545][ T9] team0 (unregistering): Port device team_slave_1 removed [ 91.823836][ T9] team0 (unregistering): Port device team_slave_0 removed [ 91.864288][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 91.885523][ T4394] syz.0.25 (4394): drop_caches: 2 [ 91.920142][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 92.141807][ T9] bond0 (unregistering): Released all slaves [ 92.274059][ T4396] syz.2.26 (4396): drop_caches: 2 [ 92.288660][ T4313] device veth1_macvtap entered promiscuous mode [ 92.309416][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 92.326823][ T4341] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 92.407093][ T4313] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 92.421901][ T4313] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 92.437534][ T4313] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 92.454633][ T4313] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 92.466402][ T4313] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 92.487263][ T4313] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 92.504857][ T4313] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 92.516175][ T4313] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 92.566909][ T4313] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 92.642171][ T4398] loop3: detected capacity change from 0 to 32768 [ 92.651669][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 92.668258][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 92.704827][ T4313] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 92.737521][ T4313] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 92.767961][ T4313] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 92.787712][ T4313] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 92.807400][ T4313] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 92.827393][ T4313] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 92.847562][ T4313] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 92.867406][ T4313] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 92.889517][ T4313] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 92.903798][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 92.920697][ T4398] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 92.940645][ T4398] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 92.952751][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 93.001505][ T4313] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.018248][ T4398] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 0ms [ 93.031073][ T4313] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.068506][ T4313] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.117405][ T4313] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.167670][ T4400] loop0: detected capacity change from 0 to 32768 [ 93.211565][ T4400] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 93.261908][ T4400] CPU: 0 PID: 4400 Comm: syz.0.27 Not tainted syzkaller #0 [ 93.269204][ T4400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 93.279487][ T4400] Call Trace: [ 93.282813][ T4400] [ 93.285782][ T4400] dump_stack_lvl+0x188/0x250 [ 93.290599][ T4400] ? show_regs_print_info+0x20/0x20 [ 93.295851][ T4400] ? load_image+0x400/0x400 [ 93.300433][ T4400] sysfs_create_dir_ns+0x26a/0x290 [ 93.305606][ T4400] ? sysfs_warn_dup+0xa0/0xa0 [ 93.310513][ T4400] ? do_raw_spin_unlock+0x11d/0x230 [ 93.315946][ T4400] kobject_add_internal+0x6e0/0xd90 [ 93.321208][ T4400] kobject_init_and_add+0x128/0x190 [ 93.326463][ T4400] ? lockdep_softirqs_off+0x430/0x430 [ 93.331899][ T4400] ? kobject_add+0x230/0x230 [ 93.336547][ T4400] ? __init_swait_queue_head+0xa5/0x150 [ 93.342162][ T4400] gfs2_sys_fs_add+0x24f/0x4b0 [ 93.346984][ T4400] ? gfs2_recover_set+0x240/0x240 [ 93.352056][ T4400] ? snprintf+0xe5/0x140 [ 93.356354][ T4400] ? __free_pages+0x95/0x1a0 [ 93.361007][ T4400] ? vscnprintf+0x80/0x80 [ 93.365406][ T4400] gfs2_fill_super+0x120f/0x1f00 [ 93.370427][ T4400] ? gfs2_reconfigure+0xd30/0xd30 [ 93.375728][ T4400] ? sb_set_blocksize+0xa5/0xe0 [ 93.380658][ T4400] get_tree_bdev+0x3f1/0x610 [ 93.385390][ T4400] ? gfs2_reconfigure+0xd30/0xd30 [ 93.390468][ T4400] gfs2_get_tree+0x4d/0x1e0 [ 93.395150][ T4400] vfs_get_tree+0x88/0x270 [ 93.399733][ T4400] do_new_mount+0x24a/0xa40 [ 93.404341][ T4400] __se_sys_mount+0x2e3/0x3d0 [ 93.409127][ T4400] ? __x64_sys_mount+0xc0/0xc0 [ 93.413948][ T4400] ? lockdep_hardirqs_on+0x94/0x140 [ 93.419286][ T4400] ? __x64_sys_mount+0x1c/0xc0 [ 93.424109][ T4400] do_syscall_64+0x4c/0xa0 [ 93.428556][ T4400] ? clear_bhb_loop+0x30/0x80 [ 93.433540][ T4400] ? clear_bhb_loop+0x30/0x80 [ 93.438267][ T4400] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.444433][ T4400] RIP: 0033:0x7f03e28b6a8a [ 93.448931][ T4400] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 93.468912][ T4400] RSP: 002b:00007f03e1f16e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 93.477381][ T4400] RAX: ffffffffffffffda RBX: 00007f03e1f16ee0 RCX: 00007f03e28b6a8a [ 93.485403][ T4400] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f03e1f16ea0 [ 93.493520][ T4400] RBP: 00002000000008c0 R08: 00007f03e1f16ee0 R09: 0000000000008c1b [ 93.501537][ T4400] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 93.509634][ T4400] R13: 00007f03e1f16ea0 R14: 000000000001276f R15: 0000200000000240 [ 93.517728][ T4400] [ 93.593757][ T4398] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 93.647637][ T4400] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 93.662323][ T4382] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.694056][ T4400] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 93.696385][ T4382] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.710187][ T4398] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 93.710187][ T4398] bh = 2081 (type: exp=3, found=14) [ 93.710187][ T4398] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 93.782971][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 93.815067][ T4398] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 93.831004][ T4382] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.876544][ T4382] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.885316][ T4398] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 93.925822][ T4382] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 93.945041][ T4398] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 93.984405][ T4405] syz.3.24 (4405): drop_caches: 2 [ 94.021146][ T4398] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 94.057237][ T4402] loop2: detected capacity change from 0 to 32768 [ 94.065478][ T4398] CPU: 1 PID: 4398 Comm: syz.3.24 Not tainted syzkaller #0 [ 94.072742][ T4398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.082842][ T4398] Call Trace: [ 94.086152][ T4398] [ 94.089129][ T4398] dump_stack_lvl+0x188/0x250 [ 94.093840][ T4398] ? kobject_uevent_env+0x371/0x890 [ 94.099163][ T4398] ? show_regs_print_info+0x20/0x20 [ 94.104394][ T4398] ? load_image+0x400/0x400 [ 94.108933][ T4398] ? kobject_uevent_env+0x371/0x890 [ 94.114266][ T4398] gfs2_withdraw+0x1149/0x1490 [ 94.119357][ T4398] ? gfs2_lm+0x240/0x240 [ 94.123646][ T4398] ? gfs2_meta_read+0x7de/0xa60 [ 94.128567][ T4398] ? gfs2_meta_new+0x160/0x160 [ 94.133484][ T4398] gfs2_metatype_check_ii+0x74/0x90 [ 94.139013][ T4398] gfs2_rgrp_bh_get+0x3a6/0x1350 [ 94.144124][ T4398] ? do_raw_spin_unlock+0x11d/0x230 [ 94.149383][ T4398] do_promote+0x741/0xab0 [ 94.153765][ T4398] finish_xmote+0x4df/0xb00 [ 94.158329][ T4398] do_xmote+0x7b6/0x1120 [ 94.162635][ T4398] gfs2_glock_nq+0xc7a/0x1550 [ 94.167379][ T4398] gfs2_inplace_reserve+0xd1a/0x3640 [ 94.172728][ T4398] ? do_read_cache_page+0xc5e/0x1030 [ 94.178194][ T4398] ? gfs2_rgrp_out+0x700/0x700 [ 94.183017][ T4398] ? gfs2_write_calc_reserv+0x251/0x370 [ 94.188625][ T4398] gfs2_set_dqblk+0x8ac/0xc30 [ 94.193352][ T4398] ? gfs2_get_dqblk+0x5d0/0x5d0 [ 94.198246][ T4398] ? gfs2_glock_nq_init+0x26/0x60 [ 94.203338][ T4398] ? gfs2_glock_nq_init+0x26/0x60 [ 94.208403][ T4398] ? from_kgid+0x169/0x690 [ 94.212864][ T4398] ? __might_fault+0xb3/0x110 [ 94.217628][ T4398] quota_setquota+0x4d6/0x590 [ 94.222353][ T4398] ? quota_getnextquota+0x4a0/0x4a0 [ 94.227691][ T4398] ? bpf_lsm_capable+0x5/0x10 [ 94.232413][ T4398] ? do_quotactl+0x4f3/0x710 [ 94.237057][ T4398] __se_sys_quotactl+0x28b/0x6f0 [ 94.242044][ T4398] ? __x64_sys_quotactl+0xa0/0xa0 [ 94.247214][ T4398] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 94.253231][ T4398] ? lock_chain_count+0x20/0x20 [ 94.258124][ T4398] ? vtime_user_exit+0x2c8/0x3e0 [ 94.263192][ T4398] ? lockdep_hardirqs_on+0x94/0x140 [ 94.268437][ T4398] do_syscall_64+0x4c/0xa0 [ 94.272894][ T4398] ? clear_bhb_loop+0x30/0x80 [ 94.277607][ T4398] ? clear_bhb_loop+0x30/0x80 [ 94.282321][ T4398] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 94.288364][ T4398] RIP: 0033:0x7fbdf4237819 [ 94.292816][ T4398] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 94.312545][ T4398] RSP: 002b:00007fbdf3899028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 94.321000][ T4398] RAX: ffffffffffffffda RBX: 00007fbdf44b0fa0 RCX: 00007fbdf4237819 [ 94.329143][ T4398] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 94.337152][ T4398] RBP: 00007fbdf42cdc91 R08: 0000000000000000 R09: 0000000000000000 [ 94.345154][ T4398] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 94.353165][ T4398] R13: 00007fbdf44b1038 R14: 00007fbdf44b0fa0 R15: 00007ffe95b3eb88 [ 94.361182][ T4398] 2026/04/21 01:23:22 executed programs: 21 [ 94.450490][ T4400] syz.0.27 (4400): drop_caches: 2 [ 94.466708][ T4402] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 94.485978][ T4402] CPU: 1 PID: 4402 Comm: syz.2.28 Not tainted syzkaller #0 [ 94.493333][ T4402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.503434][ T4402] Call Trace: [ 94.506748][ T4402] [ 94.509714][ T4402] dump_stack_lvl+0x188/0x250 [ 94.514436][ T4402] ? show_regs_print_info+0x20/0x20 [ 94.519728][ T4402] ? load_image+0x400/0x400 [ 94.524307][ T4402] sysfs_create_dir_ns+0x26a/0x290 [ 94.529749][ T4402] ? sysfs_warn_dup+0xa0/0xa0 [ 94.534487][ T4402] ? do_raw_spin_unlock+0x11d/0x230 [ 94.539729][ T4402] kobject_add_internal+0x6e0/0xd90 [ 94.544986][ T4402] kobject_init_and_add+0x128/0x190 [ 94.550223][ T4402] ? lockdep_softirqs_off+0x430/0x430 [ 94.550869][ T4404] loop1: detected capacity change from 0 to 32768 [ 94.555648][ T4402] ? kobject_add+0x230/0x230 [ 94.566699][ T4402] ? __init_swait_queue_head+0xa5/0x150 [ 94.572301][ T4402] gfs2_sys_fs_add+0x24f/0x4b0 [ 94.577102][ T4402] ? gfs2_recover_set+0x240/0x240 [ 94.582184][ T4402] ? snprintf+0xe5/0x140 [ 94.586465][ T4402] ? __free_pages+0x95/0x1a0 [ 94.591129][ T4402] ? vscnprintf+0x80/0x80 [ 94.595508][ T4402] gfs2_fill_super+0x120f/0x1f00 [ 94.600507][ T4402] ? gfs2_reconfigure+0xd30/0xd30 [ 94.605584][ T4402] ? sb_set_blocksize+0xa5/0xe0 [ 94.610469][ T4402] get_tree_bdev+0x3f1/0x610 [ 94.615098][ T4402] ? gfs2_reconfigure+0xd30/0xd30 [ 94.620164][ T4402] gfs2_get_tree+0x4d/0x1e0 [ 94.624736][ T4402] vfs_get_tree+0x88/0x270 [ 94.629205][ T4402] do_new_mount+0x24a/0xa40 [ 94.633771][ T4402] __se_sys_mount+0x2e3/0x3d0 [ 94.638506][ T4402] ? __x64_sys_mount+0xc0/0xc0 [ 94.643311][ T4402] ? lockdep_hardirqs_on+0x94/0x140 [ 94.648553][ T4402] ? __x64_sys_mount+0x1c/0xc0 [ 94.653539][ T4402] do_syscall_64+0x4c/0xa0 [ 94.657998][ T4402] ? clear_bhb_loop+0x30/0x80 [ 94.662712][ T4402] ? clear_bhb_loop+0x30/0x80 [ 94.667537][ T4402] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 94.673743][ T4402] RIP: 0033:0x7f2cdad68a8a [ 94.678196][ T4402] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 94.692165][ T4404] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 94.697957][ T4402] RSP: 002b:00007f2cda3c8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 94.697984][ T4402] RAX: ffffffffffffffda RBX: 00007f2cda3c8ee0 RCX: 00007f2cdad68a8a [ 94.698000][ T4402] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f2cda3c8ea0 [ 94.698014][ T4402] RBP: 00002000000008c0 R08: 00007f2cda3c8ee0 R09: 0000000000008c1b [ 94.698030][ T4402] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 94.698043][ T4402] R13: 00007f2cda3c8ea0 R14: 000000000001276f R15: 0000200000000240 [ 94.698073][ T4402] [ 94.763630][ T4402] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 94.787933][ T4404] CPU: 1 PID: 4404 Comm: syz.1.18 Not tainted syzkaller #0 [ 94.795307][ T4404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 94.805403][ T4404] Call Trace: [ 94.808719][ T4404] [ 94.811690][ T4404] dump_stack_lvl+0x188/0x250 [ 94.816701][ T4404] ? show_regs_print_info+0x20/0x20 [ 94.821957][ T4404] ? load_image+0x400/0x400 [ 94.826513][ T4404] sysfs_create_dir_ns+0x26a/0x290 [ 94.831670][ T4404] ? sysfs_warn_dup+0xa0/0xa0 [ 94.836478][ T4404] ? do_raw_spin_unlock+0x11d/0x230 [ 94.841724][ T4404] kobject_add_internal+0x6e0/0xd90 [ 94.847292][ T4404] kobject_init_and_add+0x128/0x190 [ 94.852536][ T4404] ? lockdep_softirqs_off+0x430/0x430 [ 94.858064][ T4404] ? kobject_add+0x230/0x230 [ 94.862832][ T4404] ? __init_swait_queue_head+0xa5/0x150 [ 94.868448][ T4404] gfs2_sys_fs_add+0x24f/0x4b0 [ 94.873347][ T4404] ? gfs2_recover_set+0x240/0x240 [ 94.878448][ T4404] ? snprintf+0xe5/0x140 [ 94.882816][ T4404] ? __free_pages+0x95/0x1a0 [ 94.887807][ T4404] ? vscnprintf+0x80/0x80 [ 94.892215][ T4404] gfs2_fill_super+0x120f/0x1f00 [ 94.897227][ T4404] ? gfs2_reconfigure+0xd30/0xd30 [ 94.902556][ T4404] ? sb_set_blocksize+0xa5/0xe0 [ 94.907558][ T4404] get_tree_bdev+0x3f1/0x610 [ 94.912216][ T4404] ? gfs2_reconfigure+0xd30/0xd30 [ 94.917900][ T4404] gfs2_get_tree+0x4d/0x1e0 [ 94.922659][ T4404] vfs_get_tree+0x88/0x270 [ 94.927133][ T4404] do_new_mount+0x24a/0xa40 [ 94.931705][ T4404] __se_sys_mount+0x2e3/0x3d0 [ 94.937127][ T4404] ? __x64_sys_mount+0xc0/0xc0 [ 94.942043][ T4404] ? lockdep_hardirqs_on+0x94/0x140 [ 94.947375][ T4404] ? __x64_sys_mount+0x1c/0xc0 [ 94.952270][ T4404] do_syscall_64+0x4c/0xa0 [ 94.956735][ T4404] ? clear_bhb_loop+0x30/0x80 [ 94.961491][ T4404] ? clear_bhb_loop+0x30/0x80 [ 94.966236][ T4404] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 94.972274][ T4404] RIP: 0033:0x7f30862dea8a [ 94.976735][ T4404] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 94.990183][ T4402] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 94.996811][ T4404] RSP: 002b:00007f308593ee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 94.996840][ T4404] RAX: ffffffffffffffda RBX: 00007f308593eee0 RCX: 00007f30862dea8a [ 94.996857][ T4404] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f308593eea0 [ 95.029418][ T4404] RBP: 00002000000008c0 R08: 00007f308593eee0 R09: 0000000000008c1b [ 95.037429][ T4404] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 95.045443][ T4404] R13: 00007f308593eea0 R14: 000000000001276f R15: 0000200000000240 [ 95.053473][ T4404] [ 95.124346][ T4402] syz.2.28 (4402): drop_caches: 2 [ 95.377438][ T4404] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 95.417393][ T4404] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 96.173058][ T4408] loop0: detected capacity change from 0 to 32768 [ 96.222772][ T4408] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 96.254351][ T4408] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 96.265356][ T4409] loop4: detected capacity change from 0 to 32768 [ 96.298494][ T4408] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 0ms [ 96.386129][ T4411] loop2: detected capacity change from 0 to 32768 [ 96.467660][ T4408] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 96.503238][ T4408] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 96.503238][ T4408] bh = 2081 (type: exp=3, found=14) [ 96.503238][ T4408] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 96.526435][ T4411] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 96.528024][ T4409] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 96.567396][ T4411] CPU: 0 PID: 4411 Comm: syz.2.31 Not tainted syzkaller #0 [ 96.574678][ T4411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 96.584773][ T4411] Call Trace: [ 96.588088][ T4411] [ 96.591059][ T4411] dump_stack_lvl+0x188/0x250 [ 96.595856][ T4411] ? show_regs_print_info+0x20/0x20 [ 96.601086][ T4411] ? load_image+0x400/0x400 [ 96.605676][ T4411] sysfs_create_dir_ns+0x26a/0x290 [ 96.610829][ T4411] ? sysfs_warn_dup+0xa0/0xa0 [ 96.615573][ T4411] ? do_raw_spin_unlock+0x11d/0x230 [ 96.620823][ T4411] kobject_add_internal+0x6e0/0xd90 [ 96.626251][ T4411] kobject_init_and_add+0x128/0x190 [ 96.631577][ T4411] ? lockdep_softirqs_off+0x430/0x430 [ 96.637043][ T4411] ? kobject_add+0x230/0x230 [ 96.641672][ T4411] ? __init_swait_queue_head+0xa5/0x150 [ 96.642587][ T4408] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 96.647410][ T4411] gfs2_sys_fs_add+0x24f/0x4b0 [ 96.647440][ T4411] ? gfs2_recover_set+0x240/0x240 [ 96.647463][ T4411] ? snprintf+0xe5/0x140 [ 96.647481][ T4411] ? __free_pages+0x95/0x1a0 [ 96.647507][ T4411] ? vscnprintf+0x80/0x80 [ 96.647536][ T4411] gfs2_fill_super+0x120f/0x1f00 [ 96.683380][ T4411] ? gfs2_reconfigure+0xd30/0xd30 [ 96.688468][ T4411] ? sb_set_blocksize+0xa5/0xe0 [ 96.693347][ T4411] get_tree_bdev+0x3f1/0x610 [ 96.698001][ T4411] ? gfs2_reconfigure+0xd30/0xd30 [ 96.703073][ T4411] gfs2_get_tree+0x4d/0x1e0 [ 96.707210][ T4408] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 96.707623][ T4411] vfs_get_tree+0x88/0x270 [ 96.707652][ T4411] do_new_mount+0x24a/0xa40 [ 96.707683][ T4411] __se_sys_mount+0x2e3/0x3d0 [ 96.707710][ T4411] ? __x64_sys_mount+0xc0/0xc0 [ 96.707736][ T4411] ? lockdep_hardirqs_on+0x94/0x140 [ 96.707760][ T4411] ? __x64_sys_mount+0x1c/0xc0 [ 96.746323][ T4411] do_syscall_64+0x4c/0xa0 [ 96.750784][ T4411] ? clear_bhb_loop+0x30/0x80 [ 96.755498][ T4411] ? clear_bhb_loop+0x30/0x80 [ 96.760239][ T4411] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 96.766199][ T4411] RIP: 0033:0x7f2cdad68a8a [ 96.770646][ T4411] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 96.780947][ T4408] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 96.790873][ T4411] RSP: 002b:00007f2cda3c8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 96.790905][ T4411] RAX: ffffffffffffffda RBX: 00007f2cda3c8ee0 RCX: 00007f2cdad68a8a [ 96.790921][ T4411] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f2cda3c8ea0 [ 96.790935][ T4411] RBP: 00002000000008c0 R08: 00007f2cda3c8ee0 R09: 0000000000008c1b [ 96.790949][ T4411] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 96.790963][ T4411] R13: 00007f2cda3c8ea0 R14: 000000000001276f R15: 0000200000000240 [ 96.790994][ T4411] [ 96.819868][ T4409] CPU: 0 PID: 4409 Comm: syz.4.21 Not tainted syzkaller #0 [ 96.857118][ T4409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 96.867206][ T4409] Call Trace: [ 96.870523][ T4409] [ 96.873491][ T4409] dump_stack_lvl+0x188/0x250 [ 96.878301][ T4409] ? show_regs_print_info+0x20/0x20 [ 96.883539][ T4409] ? load_image+0x400/0x400 [ 96.888097][ T4409] sysfs_create_dir_ns+0x26a/0x290 [ 96.893335][ T4409] ? sysfs_warn_dup+0xa0/0xa0 [ 96.898054][ T4409] ? do_raw_spin_unlock+0x11d/0x230 [ 96.903294][ T4409] kobject_add_internal+0x6e0/0xd90 [ 96.908535][ T4409] kobject_init_and_add+0x128/0x190 [ 96.913767][ T4409] ? lockdep_softirqs_off+0x430/0x430 [ 96.919232][ T4409] ? kobject_add+0x230/0x230 [ 96.924388][ T4409] ? __init_swait_queue_head+0xa5/0x150 [ 96.930072][ T4409] gfs2_sys_fs_add+0x24f/0x4b0 [ 96.934883][ T4409] ? gfs2_recover_set+0x240/0x240 [ 96.939947][ T4409] ? snprintf+0xe5/0x140 [ 96.944401][ T4409] ? __free_pages+0x95/0x1a0 [ 96.949042][ T4409] ? vscnprintf+0x80/0x80 [ 96.953428][ T4409] gfs2_fill_super+0x120f/0x1f00 [ 96.958423][ T4409] ? gfs2_reconfigure+0xd30/0xd30 [ 96.963602][ T4409] ? sb_set_blocksize+0xa5/0xe0 [ 96.968493][ T4409] get_tree_bdev+0x3f1/0x610 [ 96.973140][ T4409] ? gfs2_reconfigure+0xd30/0xd30 [ 96.978208][ T4409] gfs2_get_tree+0x4d/0x1e0 [ 96.982977][ T4409] vfs_get_tree+0x88/0x270 [ 96.987639][ T4409] do_new_mount+0x24a/0xa40 [ 96.992303][ T4409] __se_sys_mount+0x2e3/0x3d0 [ 96.997111][ T4409] ? __x64_sys_mount+0xc0/0xc0 [ 97.002054][ T4409] ? lockdep_hardirqs_on+0x94/0x140 [ 97.007287][ T4409] ? __x64_sys_mount+0x1c/0xc0 [ 97.012105][ T4409] do_syscall_64+0x4c/0xa0 [ 97.016583][ T4409] ? clear_bhb_loop+0x30/0x80 [ 97.021322][ T4409] ? clear_bhb_loop+0x30/0x80 [ 97.026237][ T4409] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 97.032166][ T4409] RIP: 0033:0x7f8554725a8a [ 97.036709][ T4409] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 97.056658][ T4409] RSP: 002b:00007f8553d85e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 97.065225][ T4409] RAX: ffffffffffffffda RBX: 00007f8553d85ee0 RCX: 00007f8554725a8a [ 97.073268][ T4409] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f8553d85ea0 [ 97.081292][ T4409] RBP: 00002000000008c0 R08: 00007f8553d85ee0 R09: 0000000000008c1b [ 97.089392][ T4409] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 97.097613][ T4409] R13: 00007f8553d85ea0 R14: 000000000001276f R15: 0000200000000240 [ 97.105731][ T4409] [ 97.114649][ T4413] loop3: detected capacity change from 0 to 32768 [ 97.170668][ T4408] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 97.241373][ T4408] CPU: 0 PID: 4408 Comm: syz.0.30 Not tainted syzkaller #0 [ 97.248677][ T4408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 97.259046][ T4408] Call Trace: [ 97.262364][ T4408] [ 97.265328][ T4408] dump_stack_lvl+0x188/0x250 [ 97.270134][ T4408] ? kobject_uevent_env+0x371/0x890 [ 97.275402][ T4408] ? show_regs_print_info+0x20/0x20 [ 97.280650][ T4408] ? load_image+0x400/0x400 [ 97.285199][ T4408] ? kobject_uevent_env+0x371/0x890 [ 97.290450][ T4408] gfs2_withdraw+0x1149/0x1490 [ 97.295268][ T4408] ? gfs2_lm+0x240/0x240 [ 97.299164][ T4414] syz.0.30 (4414): drop_caches: 2 [ 97.299541][ T4408] ? gfs2_meta_read+0x7de/0xa60 [ 97.299577][ T4408] ? gfs2_meta_new+0x160/0x160 [ 97.314334][ T4408] gfs2_metatype_check_ii+0x74/0x90 [ 97.319579][ T4408] gfs2_rgrp_bh_get+0x3a6/0x1350 [ 97.324655][ T4408] ? do_raw_spin_unlock+0x11d/0x230 [ 97.329921][ T4408] do_promote+0x741/0xab0 [ 97.334646][ T4408] finish_xmote+0x4df/0xb00 [ 97.339210][ T4408] do_xmote+0x7b6/0x1120 [ 97.343803][ T4408] gfs2_glock_nq+0xc7a/0x1550 [ 97.348554][ T4408] gfs2_inplace_reserve+0xd1a/0x3640 [ 97.353971][ T4408] ? do_read_cache_page+0xc5e/0x1030 [ 97.359534][ T4408] ? gfs2_rgrp_out+0x700/0x700 [ 97.364640][ T4408] ? gfs2_write_calc_reserv+0x251/0x370 [ 97.370241][ T4408] gfs2_set_dqblk+0x8ac/0xc30 [ 97.375629][ T4408] ? gfs2_get_dqblk+0x5d0/0x5d0 [ 97.380547][ T4408] ? gfs2_glock_nq_init+0x26/0x60 [ 97.385635][ T4408] ? gfs2_glock_nq_init+0x26/0x60 [ 97.390699][ T4408] ? from_kgid+0x169/0x690 [ 97.395159][ T4408] ? __might_fault+0xb3/0x110 [ 97.400104][ T4408] quota_setquota+0x4d6/0x590 [ 97.404820][ T4408] ? quota_getnextquota+0x4a0/0x4a0 [ 97.410098][ T4408] ? bpf_lsm_capable+0x5/0x10 [ 97.414818][ T4408] ? do_quotactl+0x4f3/0x710 [ 97.419458][ T4408] __se_sys_quotactl+0x28b/0x6f0 [ 97.424470][ T4408] ? __x64_sys_quotactl+0xa0/0xa0 [ 97.429541][ T4408] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 97.435637][ T4408] ? lock_chain_count+0x20/0x20 [ 97.440617][ T4408] ? vtime_user_exit+0x2c8/0x3e0 [ 97.445781][ T4408] ? lockdep_hardirqs_on+0x94/0x140 [ 97.451112][ T4408] do_syscall_64+0x4c/0xa0 [ 97.455570][ T4408] ? clear_bhb_loop+0x30/0x80 [ 97.460284][ T4408] ? clear_bhb_loop+0x30/0x80 [ 97.465372][ T4408] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 97.471352][ T4408] RIP: 0033:0x7f03e28b5819 [ 97.475808][ T4408] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 97.495456][ T4408] RSP: 002b:00007f03e1f17028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 97.504141][ T4408] RAX: ffffffffffffffda RBX: 00007f03e2b2efa0 RCX: 00007f03e28b5819 [ 97.512321][ T4408] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 97.520352][ T4408] RBP: 00007f03e294bc91 R08: 0000000000000000 R09: 0000000000000000 [ 97.528352][ T4408] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 97.536342][ T4408] R13: 00007f03e2b2f038 R14: 00007f03e2b2efa0 R15: 00007ffd4e094968 [ 97.544348][ T4408] [ 97.574793][ T4411] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 97.594311][ T4411] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 97.605244][ T4409] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 97.627400][ T4409] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 97.640325][ T4411] syz.2.31 (4411): drop_caches: 2 [ 97.659406][ T4413] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 97.680438][ T4409] syz.4.21 (4409): drop_caches: 2 [ 97.685741][ T4413] CPU: 0 PID: 4413 Comm: syz.3.29 Not tainted syzkaller #0 [ 97.693071][ T4413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 97.703384][ T4413] Call Trace: [ 97.706721][ T4413] [ 97.709732][ T4413] dump_stack_lvl+0x188/0x250 [ 97.714487][ T4413] ? show_regs_print_info+0x20/0x20 [ 97.719740][ T4413] ? load_image+0x400/0x400 [ 97.724302][ T4413] sysfs_create_dir_ns+0x26a/0x290 [ 97.729470][ T4413] ? sysfs_warn_dup+0xa0/0xa0 [ 97.734208][ T4413] ? do_raw_spin_unlock+0x11d/0x230 [ 97.739446][ T4413] kobject_add_internal+0x6e0/0xd90 [ 97.744791][ T4413] kobject_init_and_add+0x128/0x190 [ 97.750033][ T4413] ? lockdep_softirqs_off+0x430/0x430 [ 97.755628][ T4413] ? kobject_add+0x230/0x230 [ 97.760290][ T4413] ? __init_swait_queue_head+0xa5/0x150 [ 97.765964][ T4413] gfs2_sys_fs_add+0x24f/0x4b0 [ 97.770768][ T4413] ? gfs2_recover_set+0x240/0x240 [ 97.775825][ T4413] ? snprintf+0xe5/0x140 [ 97.780131][ T4413] ? __free_pages+0x95/0x1a0 [ 97.784758][ T4413] ? vscnprintf+0x80/0x80 [ 97.789125][ T4413] gfs2_fill_super+0x120f/0x1f00 [ 97.794092][ T4413] ? gfs2_reconfigure+0xd30/0xd30 [ 97.799149][ T4413] ? sb_set_blocksize+0xa5/0xe0 [ 97.804458][ T4413] get_tree_bdev+0x3f1/0x610 [ 97.809082][ T4413] ? gfs2_reconfigure+0xd30/0xd30 [ 97.814130][ T4413] gfs2_get_tree+0x4d/0x1e0 [ 97.818657][ T4413] vfs_get_tree+0x88/0x270 [ 97.823098][ T4413] do_new_mount+0x24a/0xa40 [ 97.827635][ T4413] __se_sys_mount+0x2e3/0x3d0 [ 97.832336][ T4413] ? __x64_sys_mount+0xc0/0xc0 [ 97.837122][ T4413] ? lockdep_hardirqs_on+0x94/0x140 [ 97.842340][ T4413] ? __x64_sys_mount+0x1c/0xc0 [ 97.847135][ T4413] do_syscall_64+0x4c/0xa0 [ 97.851569][ T4413] ? clear_bhb_loop+0x30/0x80 [ 97.856277][ T4413] ? clear_bhb_loop+0x30/0x80 [ 97.860991][ T4413] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 97.866910][ T4413] RIP: 0033:0x7fbdf4238a8a [ 97.871348][ T4413] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 97.890971][ T4413] RSP: 002b:00007fbdf3898e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 97.899403][ T4413] RAX: ffffffffffffffda RBX: 00007fbdf3898ee0 RCX: 00007fbdf4238a8a [ 97.907507][ T4413] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fbdf3898ea0 [ 97.915538][ T4413] RBP: 00002000000008c0 R08: 00007fbdf3898ee0 R09: 0000000000008c1b [ 97.923570][ T4413] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 97.931649][ T4413] R13: 00007fbdf3898ea0 R14: 000000000001276f R15: 0000200000000240 [ 97.939655][ T4413] [ 98.357498][ T4413] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 98.391795][ T4413] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 98.600235][ T4417] loop1: detected capacity change from 0 to 32768 [ 98.662832][ T4417] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 98.704720][ T4417] CPU: 0 PID: 4417 Comm: syz.1.32 Not tainted syzkaller #0 [ 98.712036][ T4417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 98.722293][ T4417] Call Trace: [ 98.725613][ T4417] [ 98.728600][ T4417] dump_stack_lvl+0x188/0x250 [ 98.733318][ T4417] ? show_regs_print_info+0x20/0x20 [ 98.738644][ T4417] ? load_image+0x400/0x400 [ 98.743243][ T4417] sysfs_create_dir_ns+0x26a/0x290 [ 98.748398][ T4417] ? sysfs_warn_dup+0xa0/0xa0 [ 98.753109][ T4417] ? do_raw_spin_unlock+0x11d/0x230 [ 98.758350][ T4417] kobject_add_internal+0x6e0/0xd90 [ 98.763598][ T4417] kobject_init_and_add+0x128/0x190 [ 98.768870][ T4417] ? lockdep_softirqs_off+0x430/0x430 [ 98.774466][ T4417] ? kobject_add+0x230/0x230 [ 98.779187][ T4417] ? __init_swait_queue_head+0xa5/0x150 [ 98.784778][ T4417] gfs2_sys_fs_add+0x24f/0x4b0 [ 98.789584][ T4417] ? gfs2_recover_set+0x240/0x240 [ 98.794778][ T4417] ? snprintf+0xe5/0x140 [ 98.799055][ T4417] ? __free_pages+0x95/0x1a0 [ 98.803787][ T4417] ? vscnprintf+0x80/0x80 [ 98.808162][ T4417] gfs2_fill_super+0x120f/0x1f00 [ 98.813271][ T4417] ? gfs2_reconfigure+0xd30/0xd30 [ 98.818351][ T4417] ? sb_set_blocksize+0xa5/0xe0 [ 98.823278][ T4417] get_tree_bdev+0x3f1/0x610 [ 98.828064][ T4417] ? gfs2_reconfigure+0xd30/0xd30 [ 98.833144][ T4417] gfs2_get_tree+0x4d/0x1e0 [ 98.837690][ T4417] vfs_get_tree+0x88/0x270 [ 98.842155][ T4417] do_new_mount+0x24a/0xa40 [ 98.846710][ T4417] __se_sys_mount+0x2e3/0x3d0 [ 98.851465][ T4417] ? __x64_sys_mount+0xc0/0xc0 [ 98.856358][ T4417] ? lockdep_hardirqs_on+0x94/0x140 [ 98.861818][ T4417] ? __x64_sys_mount+0x1c/0xc0 [ 98.866718][ T4417] do_syscall_64+0x4c/0xa0 [ 98.871254][ T4417] ? clear_bhb_loop+0x30/0x80 [ 98.875952][ T4417] ? clear_bhb_loop+0x30/0x80 [ 98.880669][ T4417] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 98.886687][ T4417] RIP: 0033:0x7f30862dea8a [ 98.891129][ T4417] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 98.910765][ T4417] RSP: 002b:00007f308593ee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 98.919473][ T4417] RAX: ffffffffffffffda RBX: 00007f308593eee0 RCX: 00007f30862dea8a [ 98.927667][ T4417] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f308593eea0 [ 98.935728][ T4417] RBP: 00002000000008c0 R08: 00007f308593eee0 R09: 0000000000008c1b [ 98.943758][ T4417] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 98.951751][ T4417] R13: 00007f308593eea0 R14: 000000000001276f R15: 0000200000000240 [ 98.959753][ T4417] [ 99.096204][ T4417] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 99.119046][ T4417] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 99.252720][ T4419] loop2: detected capacity change from 0 to 32768 [ 99.295132][ T4419] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 99.337204][ T4419] CPU: 1 PID: 4419 Comm: syz.2.33 Not tainted syzkaller #0 [ 99.344502][ T4419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 99.354853][ T4419] Call Trace: [ 99.358171][ T4419] [ 99.361157][ T4419] dump_stack_lvl+0x188/0x250 [ 99.365887][ T4419] ? show_regs_print_info+0x20/0x20 [ 99.371156][ T4419] ? load_image+0x400/0x400 [ 99.375943][ T4419] sysfs_create_dir_ns+0x26a/0x290 [ 99.381105][ T4419] ? sysfs_warn_dup+0xa0/0xa0 [ 99.385831][ T4419] ? do_raw_spin_unlock+0x11d/0x230 [ 99.391078][ T4419] kobject_add_internal+0x6e0/0xd90 [ 99.396335][ T4419] kobject_init_and_add+0x128/0x190 [ 99.401682][ T4419] ? lockdep_softirqs_off+0x430/0x430 [ 99.407107][ T4419] ? kobject_add+0x230/0x230 [ 99.411749][ T4419] ? __init_swait_queue_head+0xa5/0x150 [ 99.417352][ T4419] gfs2_sys_fs_add+0x24f/0x4b0 [ 99.422410][ T4419] ? gfs2_recover_set+0x240/0x240 [ 99.428254][ T4419] ? snprintf+0xe5/0x140 [ 99.432658][ T4419] ? __free_pages+0x95/0x1a0 [ 99.437628][ T4419] ? vscnprintf+0x80/0x80 [ 99.442032][ T4419] gfs2_fill_super+0x120f/0x1f00 [ 99.447034][ T4419] ? gfs2_reconfigure+0xd30/0xd30 [ 99.452136][ T4419] ? sb_set_blocksize+0xa5/0xe0 [ 99.457036][ T4419] get_tree_bdev+0x3f1/0x610 [ 99.461683][ T4419] ? gfs2_reconfigure+0xd30/0xd30 [ 99.466770][ T4419] gfs2_get_tree+0x4d/0x1e0 [ 99.471361][ T4419] vfs_get_tree+0x88/0x270 [ 99.475941][ T4419] do_new_mount+0x24a/0xa40 [ 99.480523][ T4419] __se_sys_mount+0x2e3/0x3d0 [ 99.485449][ T4419] ? __x64_sys_mount+0xc0/0xc0 [ 99.490260][ T4419] ? lockdep_hardirqs_on+0x94/0x140 [ 99.495499][ T4419] ? __x64_sys_mount+0x1c/0xc0 [ 99.500397][ T4419] do_syscall_64+0x4c/0xa0 [ 99.504848][ T4419] ? clear_bhb_loop+0x30/0x80 [ 99.509559][ T4419] ? clear_bhb_loop+0x30/0x80 [ 99.514279][ T4419] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 99.520209][ T4419] RIP: 0033:0x7f2cdad68a8a [ 99.524657][ T4419] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 99.544302][ T4419] RSP: 002b:00007f2cda3c8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 99.552957][ T4419] RAX: ffffffffffffffda RBX: 00007f2cda3c8ee0 RCX: 00007f2cdad68a8a [ 99.561056][ T4419] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f2cda3c8ea0 [ 99.569261][ T4419] RBP: 00002000000008c0 R08: 00007f2cda3c8ee0 R09: 0000000000008c1b [ 99.577273][ T4419] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 99.585285][ T4419] R13: 00007f2cda3c8ea0 R14: 000000000001276f R15: 0000200000000240 [ 99.593315][ T4419] [ 99.719474][ T4417] syz.1.32 (4417): drop_caches: 2 2026/04/21 01:23:28 executed programs: 30 [ 99.812698][ T4419] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 99.843732][ T4419] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 100.103717][ T4421] loop4: detected capacity change from 0 to 32768 [ 100.179377][ T4421] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 100.213542][ T4421] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 100.279755][ T4419] syz.2.33 (4419): drop_caches: 2 [ 100.314421][ T4421] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 0ms [ 100.523828][ T4423] loop3: detected capacity change from 0 to 32768 [ 100.584466][ T4421] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 100.598936][ T4423] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 100.607077][ T4423] CPU: 0 PID: 4423 Comm: syz.3.36 Not tainted syzkaller #0 [ 100.614408][ T4423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 100.624505][ T4423] Call Trace: [ 100.627820][ T4423] [ 100.630811][ T4423] dump_stack_lvl+0x188/0x250 [ 100.635628][ T4423] ? show_regs_print_info+0x20/0x20 [ 100.640885][ T4423] ? load_image+0x400/0x400 [ 100.645447][ T4423] sysfs_create_dir_ns+0x26a/0x290 [ 100.650647][ T4423] ? sysfs_warn_dup+0xa0/0xa0 [ 100.655379][ T4423] ? do_raw_spin_unlock+0x11d/0x230 [ 100.660644][ T4423] kobject_add_internal+0x6e0/0xd90 [ 100.665901][ T4423] kobject_init_and_add+0x128/0x190 [ 100.671150][ T4423] ? lockdep_softirqs_off+0x430/0x430 [ 100.676766][ T4423] ? kobject_add+0x230/0x230 [ 100.681671][ T4423] ? __init_swait_queue_head+0xa5/0x150 [ 100.687277][ T4423] gfs2_sys_fs_add+0x24f/0x4b0 [ 100.692090][ T4423] ? gfs2_recover_set+0x240/0x240 [ 100.697521][ T4423] ? snprintf+0xe5/0x140 [ 100.701811][ T4423] ? __free_pages+0x95/0x1a0 [ 100.706444][ T4423] ? vscnprintf+0x80/0x80 [ 100.710948][ T4423] gfs2_fill_super+0x120f/0x1f00 [ 100.716040][ T4423] ? gfs2_reconfigure+0xd30/0xd30 [ 100.721130][ T4423] ? sb_set_blocksize+0xa5/0xe0 [ 100.726029][ T4423] get_tree_bdev+0x3f1/0x610 [ 100.730752][ T4423] ? gfs2_reconfigure+0xd30/0xd30 [ 100.735830][ T4423] gfs2_get_tree+0x4d/0x1e0 [ 100.740377][ T4423] vfs_get_tree+0x88/0x270 [ 100.744879][ T4423] do_new_mount+0x24a/0xa40 [ 100.749437][ T4423] __se_sys_mount+0x2e3/0x3d0 [ 100.754156][ T4423] ? __x64_sys_mount+0xc0/0xc0 [ 100.758963][ T4423] ? lockdep_hardirqs_on+0x94/0x140 [ 100.764219][ T4423] ? __x64_sys_mount+0x1c/0xc0 [ 100.769031][ T4423] do_syscall_64+0x4c/0xa0 [ 100.773488][ T4423] ? clear_bhb_loop+0x30/0x80 [ 100.778215][ T4423] ? clear_bhb_loop+0x30/0x80 [ 100.783028][ T4423] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 100.788962][ T4423] RIP: 0033:0x7fbdf4238a8a [ 100.793450][ T4423] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 100.813278][ T4423] RSP: 002b:00007fbdf3898e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 100.821743][ T4423] RAX: ffffffffffffffda RBX: 00007fbdf3898ee0 RCX: 00007fbdf4238a8a [ 100.829827][ T4423] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fbdf3898ea0 [ 100.837867][ T4423] RBP: 00002000000008c0 R08: 00007fbdf3898ee0 R09: 0000000000008c1b [ 100.845971][ T4423] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 100.853988][ T4423] R13: 00007fbdf3898ea0 R14: 000000000001276f R15: 0000200000000240 [ 100.862024][ T4423] [ 100.914583][ T4421] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 100.914583][ T4421] bh = 2081 (type: exp=3, found=14) [ 100.914583][ T4421] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 100.962425][ T4421] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 101.005848][ T4430] syz.4.34 (4430): drop_caches: 2 [ 101.018691][ T4421] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 101.047593][ T4421] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 101.066115][ T4421] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 101.083667][ T4421] CPU: 0 PID: 4421 Comm: syz.4.34 Not tainted syzkaller #0 [ 101.090937][ T4421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 101.101035][ T4421] Call Trace: [ 101.104370][ T4421] [ 101.107346][ T4421] dump_stack_lvl+0x188/0x250 [ 101.112070][ T4421] ? kobject_uevent_env+0x371/0x890 [ 101.117501][ T4421] ? show_regs_print_info+0x20/0x20 [ 101.122948][ T4421] ? load_image+0x400/0x400 [ 101.127492][ T4421] ? kobject_uevent_env+0x371/0x890 [ 101.132752][ T4421] gfs2_withdraw+0x1149/0x1490 [ 101.137580][ T4421] ? gfs2_lm+0x240/0x240 [ 101.141863][ T4421] ? gfs2_meta_read+0x7de/0xa60 [ 101.146763][ T4421] ? gfs2_meta_new+0x160/0x160 [ 101.151581][ T4421] gfs2_metatype_check_ii+0x74/0x90 [ 101.156826][ T4421] gfs2_rgrp_bh_get+0x3a6/0x1350 [ 101.161846][ T4421] ? do_raw_spin_unlock+0x11d/0x230 [ 101.167090][ T4421] do_promote+0x741/0xab0 [ 101.171480][ T4421] finish_xmote+0x4df/0xb00 [ 101.176048][ T4421] do_xmote+0x7b6/0x1120 [ 101.180342][ T4421] gfs2_glock_nq+0xc7a/0x1550 [ 101.185079][ T4421] gfs2_inplace_reserve+0xd1a/0x3640 [ 101.190590][ T4421] ? do_read_cache_page+0xc5e/0x1030 [ 101.195947][ T4421] ? gfs2_rgrp_out+0x700/0x700 [ 101.200755][ T4421] ? gfs2_write_calc_reserv+0x251/0x370 [ 101.206349][ T4421] gfs2_set_dqblk+0x8ac/0xc30 [ 101.211074][ T4421] ? gfs2_get_dqblk+0x5d0/0x5d0 [ 101.215974][ T4421] ? gfs2_glock_nq_init+0x26/0x60 [ 101.221046][ T4421] ? gfs2_glock_nq_init+0x26/0x60 [ 101.226135][ T4421] ? from_kgid+0x169/0x690 [ 101.230595][ T4421] ? __might_fault+0xb3/0x110 [ 101.235323][ T4421] quota_setquota+0x4d6/0x590 [ 101.240042][ T4421] ? quota_getnextquota+0x4a0/0x4a0 [ 101.245312][ T4421] ? bpf_lsm_capable+0x5/0x10 [ 101.250040][ T4421] ? do_quotactl+0x4f3/0x710 [ 101.254847][ T4421] __se_sys_quotactl+0x28b/0x6f0 [ 101.259835][ T4421] ? __x64_sys_quotactl+0xa0/0xa0 [ 101.265048][ T4421] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 101.271160][ T4421] ? lock_chain_count+0x20/0x20 [ 101.276054][ T4421] ? vtime_user_exit+0x2c8/0x3e0 [ 101.281118][ T4421] ? lockdep_hardirqs_on+0x94/0x140 [ 101.286362][ T4421] do_syscall_64+0x4c/0xa0 [ 101.290910][ T4421] ? clear_bhb_loop+0x30/0x80 [ 101.295625][ T4421] ? clear_bhb_loop+0x30/0x80 [ 101.300337][ T4421] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 101.306364][ T4421] RIP: 0033:0x7f8554724819 [ 101.310822][ T4421] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 101.330562][ T4421] RSP: 002b:00007f8553d86028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 101.339129][ T4421] RAX: ffffffffffffffda RBX: 00007f855499dfa0 RCX: 00007f8554724819 [ 101.347698][ T4421] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 101.355821][ T4421] RBP: 00007f85547bac91 R08: 0000000000000000 R09: 0000000000000000 [ 101.363837][ T4421] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 101.372015][ T4421] R13: 00007f855499e038 R14: 00007f855499dfa0 R15: 00007ffc0bf58fe8 [ 101.380045][ T4421] [ 101.443021][ T4425] loop1: detected capacity change from 0 to 32768 [ 101.462649][ T4427] loop0: detected capacity change from 0 to 32768 [ 101.512526][ T4425] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 101.538287][ T4427] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 101.549704][ T4429] loop2: detected capacity change from 0 to 32768 [ 101.565608][ T4425] CPU: 1 PID: 4425 Comm: syz.1.37 Not tainted syzkaller #0 [ 101.573135][ T4425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 101.579042][ T4429] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 101.583229][ T4425] Call Trace: [ 101.583238][ T4425] [ 101.597596][ T4425] dump_stack_lvl+0x188/0x250 [ 101.602417][ T4425] ? show_regs_print_info+0x20/0x20 [ 101.605544][ T4423] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 101.607668][ T4425] ? load_image+0x400/0x400 [ 101.607706][ T4425] sysfs_create_dir_ns+0x26a/0x290 [ 101.631268][ T4425] ? sysfs_warn_dup+0xa0/0xa0 [ 101.636137][ T4425] ? do_raw_spin_unlock+0x11d/0x230 [ 101.641383][ T4425] kobject_add_internal+0x6e0/0xd90 [ 101.646731][ T4425] kobject_init_and_add+0x128/0x190 [ 101.651993][ T4425] ? lockdep_softirqs_off+0x430/0x430 [ 101.657432][ T4425] ? kobject_add+0x230/0x230 [ 101.662066][ T4425] ? __init_swait_queue_head+0xa5/0x150 [ 101.667846][ T4425] gfs2_sys_fs_add+0x24f/0x4b0 [ 101.673052][ T4425] ? gfs2_recover_set+0x240/0x240 [ 101.674591][ T4423] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 101.678114][ T4425] ? snprintf+0xe5/0x140 [ 101.678138][ T4425] ? __free_pages+0x95/0x1a0 [ 101.694133][ T4425] ? vscnprintf+0x80/0x80 [ 101.698512][ T4425] gfs2_fill_super+0x120f/0x1f00 [ 101.703511][ T4425] ? gfs2_reconfigure+0xd30/0xd30 [ 101.708632][ T4425] ? sb_set_blocksize+0xa5/0xe0 [ 101.713621][ T4425] get_tree_bdev+0x3f1/0x610 [ 101.718338][ T4425] ? gfs2_reconfigure+0xd30/0xd30 [ 101.723405][ T4425] gfs2_get_tree+0x4d/0x1e0 [ 101.727962][ T4425] vfs_get_tree+0x88/0x270 [ 101.732534][ T4425] do_new_mount+0x24a/0xa40 [ 101.737175][ T4425] __se_sys_mount+0x2e3/0x3d0 [ 101.742020][ T4425] ? __x64_sys_mount+0xc0/0xc0 [ 101.746838][ T4425] ? lockdep_hardirqs_on+0x94/0x140 [ 101.752116][ T4425] ? __x64_sys_mount+0x1c/0xc0 [ 101.756919][ T4425] do_syscall_64+0x4c/0xa0 [ 101.761365][ T4425] ? clear_bhb_loop+0x30/0x80 [ 101.766087][ T4425] ? clear_bhb_loop+0x30/0x80 [ 101.770805][ T4425] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 101.776740][ T4425] RIP: 0033:0x7f30862dea8a [ 101.781281][ T4425] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 101.801017][ T4425] RSP: 002b:00007f308593ee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 101.809482][ T4425] RAX: ffffffffffffffda RBX: 00007f308593eee0 RCX: 00007f30862dea8a [ 101.817610][ T4425] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f308593eea0 [ 101.825722][ T4425] RBP: 00002000000008c0 R08: 00007f308593eee0 R09: 0000000000008c1b [ 101.834256][ T4425] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 101.842405][ T4425] R13: 00007f308593eea0 R14: 000000000001276f R15: 0000200000000240 [ 101.850531][ T4425] [ 101.858874][ T4429] CPU: 0 PID: 4429 Comm: syz.2.38 Not tainted syzkaller #0 [ 101.866578][ T4429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 101.876679][ T4429] Call Trace: [ 101.880000][ T4429] [ 101.882976][ T4429] dump_stack_lvl+0x188/0x250 [ 101.887705][ T4429] ? show_regs_print_info+0x20/0x20 [ 101.893042][ T4429] ? load_image+0x400/0x400 [ 101.897809][ T4429] sysfs_create_dir_ns+0x26a/0x290 [ 101.902979][ T4429] ? sysfs_warn_dup+0xa0/0xa0 [ 101.907700][ T4429] ? do_raw_spin_unlock+0x11d/0x230 [ 101.912945][ T4429] kobject_add_internal+0x6e0/0xd90 [ 101.918194][ T4429] kobject_init_and_add+0x128/0x190 [ 101.923477][ T4429] ? lockdep_softirqs_off+0x430/0x430 [ 101.928893][ T4429] ? kobject_add+0x230/0x230 [ 101.933623][ T4429] ? __init_swait_queue_head+0xa5/0x150 [ 101.939220][ T4429] gfs2_sys_fs_add+0x24f/0x4b0 [ 101.944037][ T4429] ? gfs2_recover_set+0x240/0x240 [ 101.949100][ T4429] ? snprintf+0xe5/0x140 [ 101.953377][ T4429] ? __free_pages+0x95/0x1a0 [ 101.958021][ T4429] ? vscnprintf+0x80/0x80 [ 101.962497][ T4429] gfs2_fill_super+0x120f/0x1f00 [ 101.967524][ T4429] ? gfs2_reconfigure+0xd30/0xd30 [ 101.973223][ T4429] ? sb_set_blocksize+0xa5/0xe0 [ 101.978390][ T4429] get_tree_bdev+0x3f1/0x610 [ 101.983602][ T4429] ? gfs2_reconfigure+0xd30/0xd30 [ 101.988696][ T4429] gfs2_get_tree+0x4d/0x1e0 [ 101.993350][ T4429] vfs_get_tree+0x88/0x270 [ 101.997818][ T4429] do_new_mount+0x24a/0xa40 [ 102.002481][ T4429] __se_sys_mount+0x2e3/0x3d0 [ 102.007522][ T4429] ? __x64_sys_mount+0xc0/0xc0 [ 102.012541][ T4429] ? lockdep_hardirqs_on+0x94/0x140 [ 102.017788][ T4429] ? __x64_sys_mount+0x1c/0xc0 [ 102.022723][ T4429] do_syscall_64+0x4c/0xa0 [ 102.027187][ T4429] ? clear_bhb_loop+0x30/0x80 [ 102.031919][ T4429] ? clear_bhb_loop+0x30/0x80 [ 102.036944][ T4429] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 102.042983][ T4429] RIP: 0033:0x7f2cdad68a8a [ 102.047449][ T4429] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 102.067635][ T4429] RSP: 002b:00007f2cda3c8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 102.076272][ T4429] RAX: ffffffffffffffda RBX: 00007f2cda3c8ee0 RCX: 00007f2cdad68a8a [ 102.084289][ T4429] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f2cda3c8ea0 [ 102.092609][ T4429] RBP: 00002000000008c0 R08: 00007f2cda3c8ee0 R09: 0000000000008c1b [ 102.100747][ T4429] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 102.108768][ T4429] R13: 00007f2cda3c8ea0 R14: 000000000001276f R15: 0000200000000240 [ 102.117130][ T4429] [ 102.124252][ T4427] CPU: 1 PID: 4427 Comm: syz.0.35 Not tainted syzkaller #0 [ 102.132330][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 102.143057][ T4427] Call Trace: [ 102.146378][ T4427] [ 102.149353][ T4427] dump_stack_lvl+0x188/0x250 [ 102.154106][ T4427] ? show_regs_print_info+0x20/0x20 [ 102.159408][ T4427] ? load_image+0x400/0x400 [ 102.164405][ T4427] sysfs_create_dir_ns+0x26a/0x290 [ 102.169618][ T4427] ? sysfs_warn_dup+0xa0/0xa0 [ 102.174380][ T4427] ? do_raw_spin_unlock+0x11d/0x230 [ 102.179643][ T4427] kobject_add_internal+0x6e0/0xd90 [ 102.183476][ T4429] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 102.185072][ T4427] kobject_init_and_add+0x128/0x190 [ 102.199377][ T4429] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 102.204293][ T4427] ? lockdep_softirqs_off+0x430/0x430 [ 102.217110][ T4427] ? kobject_add+0x230/0x230 [ 102.221945][ T4427] ? __init_swait_queue_head+0xa5/0x150 [ 102.226843][ T4425] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 102.227542][ T4427] gfs2_sys_fs_add+0x24f/0x4b0 [ 102.227574][ T4427] ? gfs2_recover_set+0x240/0x240 [ 102.227605][ T4427] ? snprintf+0xe5/0x140 [ 102.227624][ T4427] ? __free_pages+0x95/0x1a0 [ 102.227651][ T4427] ? vscnprintf+0x80/0x80 [ 102.227681][ T4427] gfs2_fill_super+0x120f/0x1f00 [ 102.227718][ T4427] ? gfs2_reconfigure+0xd30/0xd30 [ 102.262642][ T4425] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 102.264691][ T4427] ? sb_set_blocksize+0xa5/0xe0 [ 102.286653][ T4427] get_tree_bdev+0x3f1/0x610 [ 102.291558][ T4427] ? gfs2_reconfigure+0xd30/0xd30 [ 102.297017][ T4427] gfs2_get_tree+0x4d/0x1e0 [ 102.301616][ T4427] vfs_get_tree+0x88/0x270 [ 102.306084][ T4427] do_new_mount+0x24a/0xa40 [ 102.310640][ T4427] __se_sys_mount+0x2e3/0x3d0 [ 102.315380][ T4427] ? __x64_sys_mount+0xc0/0xc0 [ 102.320378][ T4427] ? lockdep_hardirqs_on+0x94/0x140 [ 102.325621][ T4427] ? __x64_sys_mount+0x1c/0xc0 [ 102.330435][ T4427] do_syscall_64+0x4c/0xa0 [ 102.334914][ T4427] ? clear_bhb_loop+0x30/0x80 [ 102.339634][ T4427] ? clear_bhb_loop+0x30/0x80 [ 102.344354][ T4427] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 102.350319][ T4427] RIP: 0033:0x7f03e28b6a8a [ 102.354773][ T4427] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 102.374884][ T4427] RSP: 002b:00007f03e1f16e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 102.383446][ T4427] RAX: ffffffffffffffda RBX: 00007f03e1f16ee0 RCX: 00007f03e28b6a8a [ 102.391653][ T4427] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f03e1f16ea0 [ 102.399698][ T4427] RBP: 00002000000008c0 R08: 00007f03e1f16ee0 R09: 0000000000008c1b [ 102.407794][ T4427] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 102.415811][ T4427] R13: 00007f03e1f16ea0 R14: 000000000001276f R15: 0000200000000240 [ 102.423840][ T4427] [ 102.424694][ T4425] syz.1.37 (4425): drop_caches: 2 [ 102.452336][ T4427] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 102.489189][ T4427] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 102.900860][ T4429] syz.2.38 (4429): drop_caches: 2 [ 103.015262][ T4427] syz.0.35 (4427): drop_caches: 2 [ 103.602252][ T4432] loop1: detected capacity change from 0 to 32768 [ 103.645197][ T4432] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 103.673731][ T4432] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 103.735130][ T4432] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 18 extents in 0ms [ 103.927990][ T4434] loop3: detected capacity change from 0 to 32768 [ 103.939172][ T4436] loop2: detected capacity change from 0 to 32768 [ 103.950454][ T4432] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 103.966105][ T4432] gfs2: fsid=statfs_quantum.s: fatal: invalid metadata block [ 103.966105][ T4432] bh = 2081 (type: exp=3, found=14) [ 103.966105][ T4432] function = gfs2_rgrp_bh_get, file = fs/gfs2/rgrp.c, line = 1224 [ 103.994216][ T4432] gfs2: fsid=statfs_quantum.s: about to withdraw this file system [ 104.003898][ T4432] gfs2: fsid=statfs_quantum.s: Journal recovery skipped for jid 0 until next mount. [ 104.003921][ T4436] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 104.026878][ T4432] gfs2: fsid=statfs_quantum.s: Glock dequeues delayed: 0 [ 104.047263][ T4442] syz.1.40 (4442): drop_caches: 2 [ 104.052938][ T4432] gfs2: fsid=statfs_quantum.s: File system withdrawn [ 104.067920][ T4434] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 104.074372][ T4436] CPU: 0 PID: 4436 Comm: syz.2.42 Not tainted syzkaller #0 [ 104.083221][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 104.093323][ T4436] Call Trace: [ 104.096642][ T4436] [ 104.099595][ T4436] dump_stack_lvl+0x188/0x250 [ 104.104321][ T4436] ? show_regs_print_info+0x20/0x20 [ 104.109547][ T4436] ? load_image+0x400/0x400 [ 104.114186][ T4436] sysfs_create_dir_ns+0x26a/0x290 [ 104.119352][ T4436] ? sysfs_warn_dup+0xa0/0xa0 [ 104.124180][ T4436] ? do_raw_spin_unlock+0x11d/0x230 [ 104.129623][ T4436] kobject_add_internal+0x6e0/0xd90 [ 104.134871][ T4436] kobject_init_and_add+0x128/0x190 [ 104.140287][ T4436] ? lockdep_softirqs_off+0x430/0x430 [ 104.146356][ T4436] ? kobject_add+0x230/0x230 [ 104.150986][ T4436] ? __init_swait_queue_head+0xa5/0x150 [ 104.156736][ T4436] gfs2_sys_fs_add+0x24f/0x4b0 [ 104.161542][ T4436] ? gfs2_recover_set+0x240/0x240 [ 104.166649][ T4436] ? snprintf+0xe5/0x140 [ 104.170923][ T4436] ? __free_pages+0x95/0x1a0 [ 104.175550][ T4436] ? vscnprintf+0x80/0x80 [ 104.179929][ T4436] gfs2_fill_super+0x120f/0x1f00 [ 104.185113][ T4436] ? gfs2_reconfigure+0xd30/0xd30 [ 104.190193][ T4436] ? sb_set_blocksize+0xa5/0xe0 [ 104.195172][ T4436] get_tree_bdev+0x3f1/0x610 [ 104.199805][ T4436] ? gfs2_reconfigure+0xd30/0xd30 [ 104.204962][ T4436] gfs2_get_tree+0x4d/0x1e0 [ 104.209680][ T4436] vfs_get_tree+0x88/0x270 [ 104.214258][ T4436] do_new_mount+0x24a/0xa40 [ 104.218810][ T4436] __se_sys_mount+0x2e3/0x3d0 [ 104.223532][ T4436] ? __x64_sys_mount+0xc0/0xc0 [ 104.228332][ T4436] ? lockdep_hardirqs_on+0x94/0x140 [ 104.233572][ T4436] ? __x64_sys_mount+0x1c/0xc0 [ 104.238376][ T4436] do_syscall_64+0x4c/0xa0 [ 104.242834][ T4436] ? clear_bhb_loop+0x30/0x80 [ 104.247572][ T4436] ? clear_bhb_loop+0x30/0x80 [ 104.252317][ T4436] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 104.258250][ T4436] RIP: 0033:0x7f2cdad68a8a [ 104.262698][ T4436] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 104.282432][ T4436] RSP: 002b:00007f2cda3c8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 104.290884][ T4436] RAX: ffffffffffffffda RBX: 00007f2cda3c8ee0 RCX: 00007f2cdad68a8a [ 104.298927][ T4436] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f2cda3c8ea0 [ 104.307030][ T4436] RBP: 00002000000008c0 R08: 00007f2cda3c8ee0 R09: 0000000000008c1b [ 104.315155][ T4436] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 104.323189][ T4436] R13: 00007f2cda3c8ea0 R14: 000000000001276f R15: 0000200000000240 [ 104.331513][ T4436] [ 104.334590][ T4434] CPU: 1 PID: 4434 Comm: syz.3.41 Not tainted syzkaller #0 [ 104.341831][ T4434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 104.351928][ T4434] Call Trace: [ 104.355240][ T4434] [ 104.358207][ T4434] dump_stack_lvl+0x188/0x250 [ 104.362934][ T4434] ? show_regs_print_info+0x20/0x20 [ 104.368266][ T4434] ? load_image+0x400/0x400 [ 104.372819][ T4434] sysfs_create_dir_ns+0x26a/0x290 [ 104.377972][ T4434] ? sysfs_warn_dup+0xa0/0xa0 [ 104.382694][ T4434] ? do_raw_spin_unlock+0x11d/0x230 [ 104.387931][ T4434] kobject_add_internal+0x6e0/0xd90 [ 104.393179][ T4434] kobject_init_and_add+0x128/0x190 [ 104.398540][ T4434] ? lockdep_softirqs_off+0x430/0x430 [ 104.399379][ T4438] loop4: detected capacity change from 0 to 32768 [ 104.403985][ T4434] ? kobject_add+0x230/0x230 [ 104.404015][ T4434] ? __init_swait_queue_head+0xa5/0x150 [ 104.420862][ T4434] gfs2_sys_fs_add+0x24f/0x4b0 [ 104.425784][ T4434] ? gfs2_recover_set+0x240/0x240 [ 104.430852][ T4434] ? snprintf+0xe5/0x140 [ 104.435377][ T4434] ? __free_pages+0x95/0x1a0 [ 104.440013][ T4434] ? vscnprintf+0x80/0x80 [ 104.444398][ T4434] gfs2_fill_super+0x120f/0x1f00 [ 104.449567][ T4434] ? gfs2_reconfigure+0xd30/0xd30 [ 104.454836][ T4434] ? sb_set_blocksize+0xa5/0xe0 [ 104.460019][ T4434] get_tree_bdev+0x3f1/0x610 [ 104.464933][ T4434] ? gfs2_reconfigure+0xd30/0xd30 [ 104.470001][ T4434] gfs2_get_tree+0x4d/0x1e0 [ 104.474547][ T4434] vfs_get_tree+0x88/0x270 [ 104.479124][ T4434] do_new_mount+0x24a/0xa40 [ 104.483678][ T4434] __se_sys_mount+0x2e3/0x3d0 [ 104.488406][ T4434] ? __x64_sys_mount+0xc0/0xc0 [ 104.493232][ T4434] ? lockdep_hardirqs_on+0x94/0x140 [ 104.498586][ T4434] ? __x64_sys_mount+0x1c/0xc0 [ 104.503541][ T4434] do_syscall_64+0x4c/0xa0 [ 104.508022][ T4434] ? clear_bhb_loop+0x30/0x80 [ 104.511970][ T4440] loop0: detected capacity change from 0 to 32768 [ 104.512747][ T4434] ? clear_bhb_loop+0x30/0x80 [ 104.520689][ T4436] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 104.523891][ T4434] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 104.543731][ T4434] RIP: 0033:0x7fbdf4238a8a [ 104.548181][ T4434] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 104.567832][ T4434] RSP: 002b:00007fbdf3898e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 104.576283][ T4434] RAX: ffffffffffffffda RBX: 00007fbdf3898ee0 RCX: 00007fbdf4238a8a [ 104.582735][ T4436] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 104.584292][ T4434] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fbdf3898ea0 [ 104.599437][ T4434] RBP: 00002000000008c0 R08: 00007fbdf3898ee0 R09: 0000000000008c1b [ 104.607453][ T4434] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 104.615471][ T4434] R13: 00007fbdf3898ea0 R14: 000000000001276f R15: 0000200000000240 [ 104.623617][ T4434] [ 104.629360][ T4432] CPU: 0 PID: 4432 Comm: syz.1.40 Not tainted syzkaller #0 [ 104.636814][ T4432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 104.647036][ T4432] Call Trace: [ 104.650357][ T4432] [ 104.653331][ T4432] dump_stack_lvl+0x188/0x250 [ 104.658051][ T4432] ? kobject_uevent_env+0x371/0x890 [ 104.663295][ T4432] ? show_regs_print_info+0x20/0x20 [ 104.668638][ T4432] ? load_image+0x400/0x400 [ 104.673203][ T4432] ? kobject_uevent_env+0x371/0x890 [ 104.678495][ T4432] gfs2_withdraw+0x1149/0x1490 [ 104.683327][ T4432] ? gfs2_lm+0x240/0x240 [ 104.687602][ T4432] ? gfs2_meta_read+0x7de/0xa60 [ 104.692776][ T4432] ? gfs2_meta_new+0x160/0x160 [ 104.697585][ T4432] gfs2_metatype_check_ii+0x74/0x90 [ 104.702839][ T4432] gfs2_rgrp_bh_get+0x3a6/0x1350 [ 104.707931][ T4432] ? do_raw_spin_unlock+0x11d/0x230 [ 104.713180][ T4432] do_promote+0x741/0xab0 [ 104.717625][ T4432] finish_xmote+0x4df/0xb00 [ 104.722186][ T4432] do_xmote+0x7b6/0x1120 [ 104.726572][ T4432] gfs2_glock_nq+0xc7a/0x1550 [ 104.731314][ T4432] gfs2_inplace_reserve+0xd1a/0x3640 [ 104.736639][ T4432] ? do_read_cache_page+0xc5e/0x1030 [ 104.741998][ T4432] ? gfs2_rgrp_out+0x700/0x700 [ 104.746977][ T4432] ? gfs2_write_calc_reserv+0x251/0x370 [ 104.752571][ T4432] gfs2_set_dqblk+0x8ac/0xc30 [ 104.757383][ T4432] ? gfs2_get_dqblk+0x5d0/0x5d0 [ 104.762276][ T4432] ? gfs2_glock_nq_init+0x26/0x60 [ 104.767353][ T4432] ? gfs2_glock_nq_init+0x26/0x60 [ 104.772427][ T4432] ? from_kgid+0x169/0x690 [ 104.776887][ T4432] ? __might_fault+0xb3/0x110 [ 104.781892][ T4432] quota_setquota+0x4d6/0x590 [ 104.786622][ T4432] ? quota_getnextquota+0x4a0/0x4a0 [ 104.791884][ T4432] ? bpf_lsm_capable+0x5/0x10 [ 104.796640][ T4432] ? do_quotactl+0x4f3/0x710 [ 104.801318][ T4432] __se_sys_quotactl+0x28b/0x6f0 [ 104.806345][ T4432] ? __x64_sys_quotactl+0xa0/0xa0 [ 104.811407][ T4432] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 104.817712][ T4432] ? lock_chain_count+0x20/0x20 [ 104.822607][ T4432] ? vtime_user_exit+0x2c8/0x3e0 [ 104.827599][ T4432] ? lockdep_hardirqs_on+0x94/0x140 [ 104.832844][ T4432] do_syscall_64+0x4c/0xa0 [ 104.837302][ T4432] ? clear_bhb_loop+0x30/0x80 [ 104.842018][ T4432] ? clear_bhb_loop+0x30/0x80 [ 104.846751][ T4432] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 104.852715][ T4432] RIP: 0033:0x7f30862dd819 [ 104.857165][ T4432] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 104.876895][ T4432] RSP: 002b:00007f308593f028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 104.885355][ T4432] RAX: ffffffffffffffda RBX: 00007f3086556fa0 RCX: 00007f30862dd819 [ 104.893369][ T4432] RDX: 0000000000000000 RSI: 0000200000002540 RDI: ffffffff80000801 [ 104.901983][ T4432] RBP: 00007f3086373c91 R08: 0000000000000000 R09: 0000000000000000 [ 104.910117][ T4432] R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000 [ 104.911356][ T4436] syz.2.42 (4436): drop_caches: 2 [ 104.918119][ T4432] R13: 00007f3086557038 R14: 00007f3086556fa0 R15: 00007ffcf5dca238 [ 104.918158][ T4432] [ 104.963820][ T4438] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 104.963820][ T4440] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 104.963841][ T4438] CPU: 0 PID: 4438 Comm: syz.4.39 Not tainted syzkaller #0 [ 104.987454][ T4438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 104.998071][ T4438] Call Trace: [ 105.001386][ T4438] [ 105.004531][ T4438] dump_stack_lvl+0x188/0x250 [ 105.009270][ T4438] ? show_regs_print_info+0x20/0x20 [ 105.014733][ T4438] ? load_image+0x400/0x400 [ 105.019314][ T4438] sysfs_create_dir_ns+0x26a/0x290 [ 105.024488][ T4438] ? sysfs_warn_dup+0xa0/0xa0 [ 105.029216][ T4438] ? do_raw_spin_unlock+0x11d/0x230 [ 105.034561][ T4438] kobject_add_internal+0x6e0/0xd90 [ 105.039807][ T4438] kobject_init_and_add+0x128/0x190 [ 105.045146][ T4438] ? lockdep_softirqs_off+0x430/0x430 [ 105.050677][ T4438] ? kobject_add+0x230/0x230 [ 105.055400][ T4438] ? __init_swait_queue_head+0xa5/0x150 [ 105.061120][ T4438] gfs2_sys_fs_add+0x24f/0x4b0 [ 105.065928][ T4438] ? gfs2_recover_set+0x240/0x240 [ 105.071082][ T4438] ? snprintf+0xe5/0x140 [ 105.075368][ T4438] ? __free_pages+0x95/0x1a0 [ 105.080006][ T4438] ? vscnprintf+0x80/0x80 [ 105.084368][ T4438] gfs2_fill_super+0x120f/0x1f00 [ 105.089342][ T4438] ? gfs2_reconfigure+0xd30/0xd30 [ 105.094400][ T4438] ? sb_set_blocksize+0xa5/0xe0 [ 105.099374][ T4438] get_tree_bdev+0x3f1/0x610 [ 105.104027][ T4438] ? gfs2_reconfigure+0xd30/0xd30 [ 105.109079][ T4438] gfs2_get_tree+0x4d/0x1e0 [ 105.113607][ T4438] vfs_get_tree+0x88/0x270 [ 105.118049][ T4438] do_new_mount+0x24a/0xa40 [ 105.122578][ T4438] __se_sys_mount+0x2e3/0x3d0 [ 105.127450][ T4438] ? __x64_sys_mount+0xc0/0xc0 [ 105.132258][ T4438] ? lockdep_hardirqs_on+0x94/0x140 [ 105.137502][ T4438] ? __x64_sys_mount+0x1c/0xc0 [ 105.142423][ T4438] do_syscall_64+0x4c/0xa0 [ 105.146879][ T4438] ? clear_bhb_loop+0x30/0x80 [ 105.151602][ T4438] ? clear_bhb_loop+0x30/0x80 [ 105.156307][ T4438] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 105.162218][ T4438] RIP: 0033:0x7f8554725a8a [ 105.166784][ T4438] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 105.186593][ T4438] RSP: 002b:00007f8553d85e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 105.195044][ T4438] RAX: ffffffffffffffda RBX: 00007f8553d85ee0 RCX: 00007f8554725a8a [ 105.203153][ T4438] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f8553d85ea0 [ 105.211244][ T4438] RBP: 00002000000008c0 R08: 00007f8553d85ee0 R09: 0000000000008c1b [ 105.219246][ T4438] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 105.227248][ T4438] R13: 00007f8553d85ea0 R14: 000000000001276f R15: 0000200000000240 [ 105.235341][ T4438] [ 105.239538][ T4434] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 105.267457][ T4440] CPU: 0 PID: 4440 Comm: syz.0.43 Not tainted syzkaller #0 [ 105.274727][ T4440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 105.284826][ T4440] Call Trace: [ 105.288152][ T4440] [ 105.291130][ T4440] dump_stack_lvl+0x188/0x250 [ 105.295855][ T4440] ? show_regs_print_info+0x20/0x20 [ 105.301138][ T4440] ? load_image+0x400/0x400 [ 105.305817][ T4440] sysfs_create_dir_ns+0x26a/0x290 [ 105.310980][ T4440] ? sysfs_warn_dup+0xa0/0xa0 [ 105.315811][ T4440] ? do_raw_spin_unlock+0x11d/0x230 [ 105.321169][ T4440] kobject_add_internal+0x6e0/0xd90 [ 105.326432][ T4440] kobject_init_and_add+0x128/0x190 [ 105.328146][ T4438] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 105.331764][ T4440] ? lockdep_softirqs_off+0x430/0x430 [ 105.331800][ T4440] ? kobject_add+0x230/0x230 [ 105.356024][ T4440] ? __init_swait_queue_head+0xa5/0x150 [ 105.361629][ T4440] gfs2_sys_fs_add+0x24f/0x4b0 [ 105.366484][ T4440] ? gfs2_recover_set+0x240/0x240 [ 105.371555][ T4440] ? snprintf+0xe5/0x140 [ 105.375858][ T4440] ? __free_pages+0x95/0x1a0 [ 105.380511][ T4440] ? vscnprintf+0x80/0x80 [ 105.385422][ T4440] gfs2_fill_super+0x120f/0x1f00 [ 105.390523][ T4440] ? gfs2_reconfigure+0xd30/0xd30 [ 105.395620][ T4440] ? sb_set_blocksize+0xa5/0xe0 [ 105.400523][ T4440] get_tree_bdev+0x3f1/0x610 [ 105.405166][ T4440] ? gfs2_reconfigure+0xd30/0xd30 [ 105.408515][ T4438] gfs2: fsid=statfs_quantum: error -17 adding sysfs files 2026/04/21 01:23:33 executed programs: 37 [ 105.410242][ T4440] gfs2_get_tree+0x4d/0x1e0 [ 105.422145][ T4440] vfs_get_tree+0x88/0x270 [ 105.426619][ T4440] do_new_mount+0x24a/0xa40 [ 105.431175][ T4440] __se_sys_mount+0x2e3/0x3d0 [ 105.435905][ T4440] ? __x64_sys_mount+0xc0/0xc0 [ 105.440732][ T4440] ? lockdep_hardirqs_on+0x94/0x140 [ 105.446061][ T4440] ? __x64_sys_mount+0x1c/0xc0 [ 105.450873][ T4440] do_syscall_64+0x4c/0xa0 [ 105.455433][ T4440] ? clear_bhb_loop+0x30/0x80 [ 105.460157][ T4440] ? clear_bhb_loop+0x30/0x80 [ 105.464875][ T4440] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 105.470813][ T4440] RIP: 0033:0x7f03e28b6a8a [ 105.475290][ T4440] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 105.495149][ T4440] RSP: 002b:00007f03e1f16e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 105.503801][ T4440] RAX: ffffffffffffffda RBX: 00007f03e1f16ee0 RCX: 00007f03e28b6a8a [ 105.511899][ T4440] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f03e1f16ea0 [ 105.520105][ T4440] RBP: 00002000000008c0 R08: 00007f03e1f16ee0 R09: 0000000000008c1b [ 105.528208][ T4440] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100 [ 105.536248][ T4440] R13: 00007f03e1f16ea0 R14: 000000000001276f R15: 0000200000000240 [ 105.538218][ T4434] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 105.544254][ T4440] [ 105.677706][ T4434] ================================================================== [ 105.686149][ T4434] BUG: KASAN: use-after-free in gfs2_qd_shrink_scan+0x622/0x830 [ 105.693833][ T4434] Write of size 4 at addr ffff888022874a70 by task syz.3.41/4434 [ 105.701612][ T4434] [ 105.703985][ T4434] CPU: 1 PID: 4434 Comm: syz.3.41 Not tainted syzkaller #0 [ 105.711220][ T4434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 105.721401][ T4434] Call Trace: [ 105.724720][ T4434] [ 105.727687][ T4434] dump_stack_lvl+0x188/0x250 [ 105.732411][ T4434] ? show_regs_print_info+0x20/0x20 [ 105.737673][ T4434] ? _printk+0xda/0x130 [ 105.742133][ T4434] ? gfs2_qd_shrink_scan+0x622/0x830 [ 105.747587][ T4434] ? load_image+0x400/0x400 [ 105.752135][ T4434] ? _raw_spin_lock_irqsave+0xbc/0x100 [ 105.757770][ T4434] print_address_description+0x60/0x2d0 [ 105.763365][ T4434] ? gfs2_qd_shrink_scan+0x622/0x830 [ 105.768720][ T4434] kasan_report+0xdf/0x130 [ 105.773448][ T4434] ? gfs2_qd_shrink_scan+0x622/0x830 [ 105.778787][ T4434] kasan_check_range+0x235/0x290 [ 105.783780][ T4434] gfs2_qd_shrink_scan+0x622/0x830 [ 105.788950][ T4434] ? gfs2_qd_shrink_count+0x100/0x100 [ 105.794375][ T4434] do_shrink_slab+0x510/0xd00 [ 105.799095][ T4434] shrink_slab+0x1cc/0x7a0 [ 105.803552][ T4434] ? drop_slab_node+0x180/0x180 [ 105.808447][ T4434] ? mem_cgroup_iter+0x345/0x480 [ 105.813417][ T4434] drop_slab_node+0xf3/0x180 [ 105.818044][ T4434] drop_slab+0x81/0x110 [ 105.822322][ T4434] drop_caches_sysctl_handler+0xbe/0x160 [ 105.828009][ T4434] proc_sys_call_handler+0x45e/0x6d0 [ 105.833328][ T4434] ? proc_sys_open+0x260/0x260 [ 105.838122][ T4434] do_iter_readv_writev+0x47e/0x5f0 [ 105.843568][ T4434] ? aa_path_link+0x880/0x880 [ 105.848299][ T4434] ? generic_file_rw_checks+0x280/0x280 [ 105.853874][ T4434] ? common_file_perm+0x171/0x1c0 [ 105.858931][ T4434] ? fsnotify_perm+0x5d/0x560 [ 105.863729][ T4434] ? security_file_permission+0x75/0xa0 [ 105.869303][ T4434] do_iter_write+0x205/0x7b0 [ 105.873936][ T4434] do_writev+0x281/0x480 [ 105.878292][ T4434] ? do_readv+0x460/0x460 [ 105.882653][ T4434] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 105.888770][ T4434] ? lock_chain_count+0x20/0x20 [ 105.893740][ T4434] ? vtime_user_exit+0x2c8/0x3e0 [ 105.898708][ T4434] ? lockdep_hardirqs_on+0x94/0x140 [ 105.903946][ T4434] do_syscall_64+0x4c/0xa0 [ 105.908385][ T4434] ? clear_bhb_loop+0x30/0x80 [ 105.913080][ T4434] ? clear_bhb_loop+0x30/0x80 [ 105.917773][ T4434] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 105.923686][ T4434] RIP: 0033:0x7fbdf4237819 [ 105.928127][ T4434] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 105.947785][ T4434] RSP: 002b:00007fbdf3899028 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 105.956224][ T4434] RAX: ffffffffffffffda RBX: 00007fbdf44b0fa0 RCX: 00007fbdf4237819 [ 105.964214][ T4434] RDX: 0000000000000001 RSI: 00002000000000c0 RDI: 0000000000000003 [ 105.972201][ T4434] RBP: 00007fbdf42cdc91 R08: 0000000000000000 R09: 0000000000000000 [ 105.980340][ T4434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 105.988594][ T4434] R13: 00007fbdf44b1038 R14: 00007fbdf44b0fa0 R15: 00007ffe95b3eb88 [ 105.996621][ T4434] [ 105.999658][ T4434] [ 106.002028][ T4434] Allocated by task 4432: [ 106.006373][ T4434] __kasan_kmalloc+0xb5/0xf0 [ 106.011251][ T4434] gfs2_fill_super+0x17d/0x1f00 [ 106.016127][ T4434] get_tree_bdev+0x3f1/0x610 [ 106.020749][ T4434] gfs2_get_tree+0x4d/0x1e0 [ 106.025279][ T4434] vfs_get_tree+0x88/0x270 [ 106.029832][ T4434] do_new_mount+0x24a/0xa40 [ 106.034374][ T4434] __se_sys_mount+0x2e3/0x3d0 [ 106.039103][ T4434] do_syscall_64+0x4c/0xa0 [ 106.043551][ T4434] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 106.049474][ T4434] [ 106.051819][ T4434] Freed by task 4303: [ 106.055813][ T4434] kasan_set_track+0x4b/0x70 [ 106.060435][ T4434] kasan_set_free_info+0x1f/0x40 [ 106.065393][ T4434] ____kasan_slab_free+0xd5/0x110 [ 106.070545][ T4434] slab_free_freelist_hook+0xea/0x170 [ 106.076027][ T4434] kfree+0xef/0x2a0 [ 106.079855][ T4434] generic_shutdown_super+0x130/0x300 [ 106.085424][ T4434] kill_block_super+0x7c/0xe0 [ 106.090296][ T4434] deactivate_locked_super+0x93/0xf0 [ 106.095752][ T4434] cleanup_mnt+0x42d/0x4e0 [ 106.100213][ T4434] task_work_run+0x125/0x1a0 [ 106.104838][ T4434] exit_to_user_mode_loop+0x10f/0x130 [ 106.110226][ T4434] exit_to_user_mode_prepare+0xee/0x180 [ 106.115794][ T4434] syscall_exit_to_user_mode+0x16/0x40 [ 106.121273][ T4434] do_syscall_64+0x58/0xa0 [ 106.125707][ T4434] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 106.131624][ T4434] [ 106.134001][ T4434] The buggy address belongs to the object at ffff888022874000 [ 106.134001][ T4434] which belongs to the cache kmalloc-8k of size 8192 [ 106.148263][ T4434] The buggy address is located 2672 bytes inside of [ 106.148263][ T4434] 8192-byte region [ffff888022874000, ffff888022876000) [ 106.161730][ T4434] The buggy address belongs to the page: [ 106.167383][ T4434] page:ffffea00008a1c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x22870 [ 106.177557][ T4434] head:ffffea00008a1c00 order:3 compound_mapcount:0 compound_pincount:0 [ 106.185899][ T4434] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 106.193917][ T4434] raw: 00fff00000010200 ffffea0000814800 0000000200000002 ffff888016c42280 [ 106.202623][ T4434] raw: 0000000000000000 0000000000020002 00000001ffffffff 0000000000000000 [ 106.211832][ T4434] page dumped because: kasan: bad access detected [ 106.218370][ T4434] page_owner tracks the page as allocated [ 106.224103][ T4434] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3860, ts 40488590671, free_ts 40423833274 [ 106.242531][ T4434] get_page_from_freelist+0x1bbd/0x1ca0 [ 106.248103][ T4434] __alloc_pages+0x1ee/0x480 [ 106.252722][ T4434] new_slab+0xc0/0x4b0 [ 106.256904][ T4434] ___slab_alloc+0x80a/0xdd0 [ 106.261515][ T4434] kmem_cache_alloc_trace+0x1a5/0x2a0 [ 106.267170][ T4434] tomoyo_init_log+0x1008/0x1e90 [ 106.272420][ T4434] tomoyo_supervisor+0x38d/0x11f0 [ 106.277464][ T4434] tomoyo_env_perm+0x14e/0x1f0 [ 106.282257][ T4434] tomoyo_find_next_domain+0x1591/0x1a60 [ 106.287908][ T4434] tomoyo_bprm_check_security+0xdd/0x120 [ 106.293562][ T4434] security_bprm_check+0x5e/0x90 [ 106.298708][ T4434] bprm_execve+0xa53/0x1840 [ 106.303246][ T4434] do_execveat_common+0x51e/0x6d0 [ 106.308294][ T4434] __x64_sys_execve+0x8e/0xa0 [ 106.313000][ T4434] do_syscall_64+0x4c/0xa0 [ 106.317630][ T4434] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 106.323579][ T4434] page last free stack trace: [ 106.328297][ T4434] free_unref_page_prepare+0x637/0x6c0 [ 106.333965][ T4434] free_unref_page+0x8f/0x2a0 [ 106.338661][ T4434] qlist_free_all+0x35/0x90 [ 106.343186][ T4434] kasan_quarantine_reduce+0x150/0x160 [ 106.348666][ T4434] __kasan_kmalloc_large+0x16/0xa0 [ 106.353799][ T4434] kmalloc_large_node+0x12e/0x190 [ 106.359016][ T4434] __kmalloc_node+0x232/0x3b0 [ 106.363796][ T4434] kvmalloc_node+0x84/0x130 [ 106.368405][ T4434] proc_sys_call_handler+0x366/0x6d0 [ 106.373712][ T4434] vfs_read+0x759/0xd60 [ 106.377886][ T4434] ksys_read+0x152/0x260 [ 106.382237][ T4434] do_syscall_64+0x4c/0xa0 [ 106.386675][ T4434] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 106.392588][ T4434] [ 106.394983][ T4434] Memory state around the buggy address: [ 106.400626][ T4434] ffff888022874900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 106.408710][ T4434] ffff888022874980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 106.416976][ T4434] >ffff888022874a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 106.425062][ T4434] ^ [ 106.432798][ T4434] ffff888022874a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 106.441138][ T4434] ffff888022874b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 106.449325][ T4434] ================================================================== [ 106.457420][ T4434] Disabling lock debugging due to kernel taint [ 106.517456][ T4434] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 106.524714][ T4434] CPU: 0 PID: 4434 Comm: syz.3.41 Tainted: G B syzkaller #0 [ 106.533603][ T4434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 106.543961][ T4434] Call Trace: [ 106.547409][ T4434] [ 106.550432][ T4434] dump_stack_lvl+0x188/0x250 [ 106.555418][ T4434] ? show_regs_print_info+0x20/0x20 [ 106.560656][ T4434] ? load_image+0x400/0x400 [ 106.565400][ T4434] panic+0x2e5/0x810 [ 106.569437][ T4434] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 106.575820][ T4434] ? bpf_jit_dump+0xd0/0xd0 [ 106.580372][ T4434] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 106.586659][ T4434] ? _raw_spin_unlock+0x40/0x40 [ 106.591801][ T4434] ? gfs2_qd_shrink_scan+0x622/0x830 [ 106.597397][ T4434] check_panic_on_warn+0x80/0xa0 [ 106.602569][ T4434] ? gfs2_qd_shrink_scan+0x622/0x830 [ 106.607893][ T4434] end_report+0x6d/0xf0 [ 106.612090][ T4434] kasan_report+0x102/0x130 [ 106.616677][ T4434] ? gfs2_qd_shrink_scan+0x622/0x830 [ 106.622008][ T4434] kasan_check_range+0x235/0x290 [ 106.626991][ T4434] gfs2_qd_shrink_scan+0x622/0x830 [ 106.632158][ T4434] ? gfs2_qd_shrink_count+0x100/0x100 [ 106.637574][ T4434] do_shrink_slab+0x510/0xd00 [ 106.642315][ T4434] shrink_slab+0x1cc/0x7a0 [ 106.646778][ T4434] ? drop_slab_node+0x180/0x180 [ 106.651689][ T4434] ? mem_cgroup_iter+0x345/0x480 [ 106.656815][ T4434] drop_slab_node+0xf3/0x180 [ 106.661447][ T4434] drop_slab+0x81/0x110 [ 106.665642][ T4434] drop_caches_sysctl_handler+0xbe/0x160 [ 106.671723][ T4434] proc_sys_call_handler+0x45e/0x6d0 [ 106.677228][ T4434] ? proc_sys_open+0x260/0x260 [ 106.682057][ T4434] do_iter_readv_writev+0x47e/0x5f0 [ 106.687310][ T4434] ? aa_path_link+0x880/0x880 [ 106.692218][ T4434] ? generic_file_rw_checks+0x280/0x280 [ 106.697824][ T4434] ? common_file_perm+0x171/0x1c0 [ 106.702905][ T4434] ? fsnotify_perm+0x5d/0x560 [ 106.707708][ T4434] ? security_file_permission+0x75/0xa0 [ 106.713813][ T4434] do_iter_write+0x205/0x7b0 [ 106.718465][ T4434] do_writev+0x281/0x480 [ 106.722959][ T4434] ? do_readv+0x460/0x460 [ 106.727365][ T4434] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 106.733589][ T4434] ? lock_chain_count+0x20/0x20 [ 106.738498][ T4434] ? vtime_user_exit+0x2c8/0x3e0 [ 106.743491][ T4434] ? lockdep_hardirqs_on+0x94/0x140 [ 106.749102][ T4434] do_syscall_64+0x4c/0xa0 [ 106.753835][ T4434] ? clear_bhb_loop+0x30/0x80 [ 106.758561][ T4434] ? clear_bhb_loop+0x30/0x80 [ 106.763278][ T4434] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 106.769388][ T4434] RIP: 0033:0x7fbdf4237819 [ 106.773840][ T4434] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 106.793503][ T4434] RSP: 002b:00007fbdf3899028 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 106.801976][ T4434] RAX: ffffffffffffffda RBX: 00007fbdf44b0fa0 RCX: 00007fbdf4237819 [ 106.809997][ T4434] RDX: 0000000000000001 RSI: 00002000000000c0 RDI: 0000000000000003 [ 106.818361][ T4434] RBP: 00007fbdf42cdc91 R08: 0000000000000000 R09: 0000000000000000 [ 106.826463][ T4434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 106.834474][ T4434] R13: 00007fbdf44b1038 R14: 00007fbdf44b0fa0 R15: 00007ffe95b3eb88 [ 106.842494][ T4434] [ 106.846520][ T4434] Kernel Offset: disabled [ 106.851170][ T4434] Rebooting in 86400 seconds..