Warning: Permanently added '10.128.1.18' (ED25519) to the list of known hosts.
2026/03/09 23:35:43 ignoring optional flag "type"="gce"
2026/03/09 23:35:44 parsed 1 programs
[ 109.496351][ T6228] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 112.133955][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 112.144950][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 112.153896][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 112.164936][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 112.173236][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 114.030184][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 114.044408][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 114.217916][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 114.228732][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 114.335263][ T6290] chnl_net:caif_netlink_parms(): no params data found
[ 114.467475][ T6290] bridge0: port 1(bridge_slave_0) entered blocking state
[ 114.474844][ T6290] bridge0: port 1(bridge_slave_0) entered disabled state
[ 114.482883][ T6290] bridge_slave_0: entered allmulticast mode
[ 114.492601][ T6290] bridge_slave_0: entered promiscuous mode
[ 114.502433][ T6290] bridge0: port 2(bridge_slave_1) entered blocking state
[ 114.509924][ T6290] bridge0: port 2(bridge_slave_1) entered disabled state
[ 114.517632][ T6290] bridge_slave_1: entered allmulticast mode
[ 114.525856][ T6290] bridge_slave_1: entered promiscuous mode
[ 114.562695][ T6290] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 114.575078][ T6290] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 114.611623][ T6290] team0: Port device team_slave_0 added
[ 114.623691][ T6290] team0: Port device team_slave_1 added
[ 114.656134][ T6290] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 114.663272][ T6290] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 114.689968][ T6290] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 114.702805][ T6290] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 114.709872][ T6290] 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 1532 would solve the problem.
[ 114.736395][ T6290] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 114.784160][ T6290] hsr_slave_0: entered promiscuous mode
[ 114.792449][ T6290] hsr_slave_1: entered promiscuous mode
[ 114.934566][ T6290] netdevsim netdevsim1 netdevsim0: renamed from eth0
[ 114.944716][ T6290] netdevsim netdevsim1 netdevsim1: renamed from eth1
[ 114.955727][ T6290] netdevsim netdevsim1 netdevsim2: renamed from eth2
[ 114.966492][ T6290] netdevsim netdevsim1 netdevsim3: renamed from eth3
[ 114.998004][ T6290] bridge0: port 2(bridge_slave_1) entered blocking state
[ 115.005157][ T6290] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 115.012683][ T6290] bridge0: port 1(bridge_slave_0) entered blocking state
[ 115.019799][ T6290] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 115.045143][ T12] bridge0: port 1(bridge_slave_0) entered disabled state
[ 115.053021][ T12] bridge0: port 2(bridge_slave_1) entered disabled state
[ 115.099066][ T6290] 8021q: adding VLAN 0 to HW filter on device bond0
[ 115.123247][ T6290] 8021q: adding VLAN 0 to HW filter on device team0
[ 115.138623][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 115.145864][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 115.161314][ T58] bridge0: port 2(bridge_slave_1) entered blocking state
[ 115.168441][ T58] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 115.347287][ T6290] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 115.397865][ T6290] veth0_vlan: entered promiscuous mode
[ 115.411155][ T6290] veth1_vlan: entered promiscuous mode
[ 115.448903][ T6290] veth0_macvtap: entered promiscuous mode
[ 115.459831][ T6290] veth1_macvtap: entered promiscuous mode
[ 115.484025][ T6290] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 115.499503][ T6290] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 115.514308][ T12] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 115.524839][ T12] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 115.534556][ T12] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 115.543770][ T12] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
2026/03/09 23:35:54 executed programs: 0
[ 115.758651][ T5892] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 115.774782][ T6334] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 115.785326][ T6334] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 115.793939][ T6334] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 115.802340][ T6334] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 115.811758][ T6334] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 115.822214][ T6334] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 115.829986][ T6342] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 115.834223][ T6334] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 115.845561][ T6334] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[ 115.846020][ T6342] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 115.860801][ T6342] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 115.869447][ T5892] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 115.879006][ T6344] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 115.886645][ T6344] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 115.895620][ T6344] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 115.903860][ T6344] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[ 115.913650][ T6344] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
[ 115.924136][ T51] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4
[ 115.935843][ T51] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
[ 115.981335][ T5149] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
[ 115.995012][ T5149] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
[ 116.004471][ T5149] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
[ 116.017719][ T5149] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
[ 116.028816][ T5149] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
[ 116.725517][ T12] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 116.841683][ T6340] chnl_net:caif_netlink_parms(): no params data found
[ 116.863552][ T6328] chnl_net:caif_netlink_parms(): no params data found
[ 116.944728][ T12] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 117.052340][ T6341] chnl_net:caif_netlink_parms(): no params data found
[ 117.079050][ T6330] chnl_net:caif_netlink_parms(): no params data found
[ 117.106344][ T12] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 117.133160][ T6331] chnl_net:caif_netlink_parms(): no params data found
[ 117.323606][ T12] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 117.344883][ T6340] bridge0: port 1(bridge_slave_0) entered blocking state
[ 117.352363][ T6340] bridge0: port 1(bridge_slave_0) entered disabled state
[ 117.359824][ T6340] bridge_slave_0: entered allmulticast mode
[ 117.367661][ T6340] bridge_slave_0: entered promiscuous mode
[ 117.376160][ T6340] bridge0: port 2(bridge_slave_1) entered blocking state
[ 117.383804][ T6340] bridge0: port 2(bridge_slave_1) entered disabled state
[ 117.391124][ T6340] bridge_slave_1: entered allmulticast mode
[ 117.399304][ T6340] bridge_slave_1: entered promiscuous mode
[ 117.411268][ T6328] bridge0: port 1(bridge_slave_0) entered blocking state
[ 117.418556][ T6328] bridge0: port 1(bridge_slave_0) entered disabled state
[ 117.426544][ T6328] bridge_slave_0: entered allmulticast mode
[ 117.435166][ T6328] bridge_slave_0: entered promiscuous mode
[ 117.493067][ T6328] bridge0: port 2(bridge_slave_1) entered blocking state
[ 117.500366][ T6328] bridge0: port 2(bridge_slave_1) entered disabled state
[ 117.507578][ T6328] bridge_slave_1: entered allmulticast mode
[ 117.515224][ T6328] bridge_slave_1: entered promiscuous mode
[ 117.538239][ T6341] bridge0: port 1(bridge_slave_0) entered blocking state
[ 117.545486][ T6341] bridge0: port 1(bridge_slave_0) entered disabled state
[ 117.553554][ T6341] bridge_slave_0: entered allmulticast mode
[ 117.561093][ T6341] bridge_slave_0: entered promiscuous mode
[ 117.582626][ T6331] bridge0: port 1(bridge_slave_0) entered blocking state
[ 117.590051][ T6331] bridge0: port 1(bridge_slave_0) entered disabled state
[ 117.597411][ T6331] bridge_slave_0: entered allmulticast mode
[ 117.604918][ T6331] bridge_slave_0: entered promiscuous mode
[ 117.613595][ T6331] bridge0: port 2(bridge_slave_1) entered blocking state
[ 117.621491][ T6331] bridge0: port 2(bridge_slave_1) entered disabled state
[ 117.628740][ T6331] bridge_slave_1: entered allmulticast mode
[ 117.636381][ T6331] bridge_slave_1: entered promiscuous mode
[ 117.680239][ T6341] bridge0: port 2(bridge_slave_1) entered blocking state
[ 117.688224][ T6341] bridge0: port 2(bridge_slave_1) entered disabled state
[ 117.695699][ T6341] bridge_slave_1: entered allmulticast mode
[ 117.703349][ T6341] bridge_slave_1: entered promiscuous mode
[ 117.741926][ T6340] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 117.806716][ T6340] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 117.816891][ T6330] bridge0: port 1(bridge_slave_0) entered blocking state
[ 117.824403][ T6330] bridge0: port 1(bridge_slave_0) entered disabled state
[ 117.831845][ T6330] bridge_slave_0: entered allmulticast mode
[ 117.839241][ T6330] bridge_slave_0: entered promiscuous mode
[ 117.852277][ T6328] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 117.866176][ T6341] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 117.879458][ T6341] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 117.908386][ T6331] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 117.943954][ T6330] bridge0: port 2(bridge_slave_1) entered blocking state
[ 117.951331][ T6330] bridge0: port 2(bridge_slave_1) entered disabled state
[ 117.958557][ T6330] bridge_slave_1: entered allmulticast mode
[ 117.966292][ T6330] bridge_slave_1: entered promiscuous mode
[ 117.976461][ T6328] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 118.000497][ T5149] Bluetooth: hci2: command tx timeout
[ 118.000675][ T51] Bluetooth: hci1: command tx timeout
[ 118.006969][ T6344] Bluetooth: hci0: command tx timeout
[ 118.012741][ T51] Bluetooth: hci3: command tx timeout
[ 118.051356][ T6331] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 118.063944][ T6340] team0: Port device team_slave_0 added
[ 118.090520][ T51] Bluetooth: hci4: command tx timeout
[ 118.171114][ T6340] team0: Port device team_slave_1 added
[ 118.196648][ T6330] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 118.209236][ T6328] team0: Port device team_slave_0 added
[ 118.217978][ T6328] team0: Port device team_slave_1 added
[ 118.226534][ T6341] team0: Port device team_slave_0 added
[ 118.236446][ T6341] team0: Port device team_slave_1 added
[ 118.246372][ T6331] team0: Port device team_slave_0 added
[ 118.256755][ T6331] team0: Port device team_slave_1 added
[ 118.277213][ T6330] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 118.355748][ T6340] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 118.363254][ T6340] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 118.390767][ T6340] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 118.428051][ T6328] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 118.436155][ T6328] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 118.463047][ T6328] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 118.495984][ T12] bridge_slave_1: left allmulticast mode
[ 118.502067][ T12] bridge_slave_1: left promiscuous mode
[ 118.507923][ T12] bridge0: port 2(bridge_slave_1) entered disabled state
[ 118.518083][ T12] bridge_slave_0: left allmulticast mode
[ 118.524295][ T12] bridge_slave_0: left promiscuous mode
[ 118.530016][ T12] bridge0: port 1(bridge_slave_0) entered disabled state
[ 118.758968][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 118.770158][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 118.780740][ T12] bond0 (unregistering): Released all slaves
[ 118.807142][ T6340] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 118.814376][ T6340] 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 1532 would solve the problem.
[ 118.840456][ T6340] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 118.869489][ T6330] team0: Port device team_slave_0 added
[ 118.880037][ T6330] team0: Port device team_slave_1 added
[ 118.888113][ T6328] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 118.895629][ T6328] 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 1532 would solve the problem.
[ 118.922013][ T6328] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 118.946193][ T6341] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 118.953209][ T6341] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 118.980823][ T6341] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 119.000118][ T6331] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 119.007217][ T6331] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 119.033485][ T6331] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 119.049579][ T6331] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 119.056689][ T6331] 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 1532 would solve the problem.
[ 119.088145][ T6331] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 119.139267][ T12] hsr_slave_0: left promiscuous mode
[ 119.145324][ T12] hsr_slave_1: left promiscuous mode
[ 119.151684][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 119.159162][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 119.167270][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 119.174737][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 119.187080][ T12] veth1_macvtap: left promiscuous mode
[ 119.194829][ T12] veth0_macvtap: left promiscuous mode
[ 119.200578][ T12] veth1_vlan: left promiscuous mode
[ 119.205915][ T12] veth0_vlan: left promiscuous mode
[ 119.374632][ T12] team0 (unregistering): Port device team_slave_1 removed
[ 119.388406][ T12] team0 (unregistering): Port device team_slave_0 removed
[ 119.484247][ T6341] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 119.493296][ T6341] 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 1532 would solve the problem.
[ 119.519325][ T6341] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 119.602565][ T6330] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 119.609715][ T6330] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 119.636151][ T6330] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 119.649900][ T6330] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 119.656900][ T6330] 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 1532 would solve the problem.
[ 119.683166][ T6330] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 119.732860][ T6340] hsr_slave_0: entered promiscuous mode
[ 119.739720][ T6340] hsr_slave_1: entered promiscuous mode
[ 119.805673][ T6341] hsr_slave_0: entered promiscuous mode
[ 119.813138][ T6341] hsr_slave_1: entered promiscuous mode
[ 119.819688][ T6341] debugfs: 'hsr0' already exists in 'hsr'
[ 119.825576][ T6341] Cannot create hsr debugfs directory
[ 119.859460][ T6328] hsr_slave_0: entered promiscuous mode
[ 119.866933][ T6328] hsr_slave_1: entered promiscuous mode
[ 119.874763][ T6328] debugfs: 'hsr0' already exists in 'hsr'
[ 119.880971][ T6328] Cannot create hsr debugfs directory
[ 120.010067][ T6331] hsr_slave_0: entered promiscuous mode
[ 120.023504][ T6331] hsr_slave_1: entered promiscuous mode
[ 120.031979][ T6331] debugfs: 'hsr0' already exists in 'hsr'
[ 120.037811][ T6331] Cannot create hsr debugfs directory
[ 120.080507][ T51] Bluetooth: hci3: command tx timeout
[ 120.080826][ T5149] Bluetooth: hci2: command tx timeout
[ 120.086757][ T51] Bluetooth: hci0: command tx timeout
[ 120.093476][ T5149] Bluetooth: hci1: command tx timeout
[ 120.160424][ T5149] Bluetooth: hci4: command tx timeout
[ 120.186629][ T6330] hsr_slave_0: entered promiscuous mode
[ 120.194052][ T6330] hsr_slave_1: entered promiscuous mode
[ 120.201471][ T6330] debugfs: 'hsr0' already exists in 'hsr'
[ 120.207234][ T6330] Cannot create hsr debugfs directory
[ 120.887665][ T6341] netdevsim netdevsim4 netdevsim0: renamed from eth0
[ 120.902327][ T6341] netdevsim netdevsim4 netdevsim1: renamed from eth1
[ 120.966524][ T6341] netdevsim netdevsim4 netdevsim2: renamed from eth2
[ 120.982718][ T6341] netdevsim netdevsim4 netdevsim3: renamed from eth3
[ 121.220020][ T6341] 8021q: adding VLAN 0 to HW filter on device bond0
[ 121.285529][ T6341] 8021q: adding VLAN 0 to HW filter on device team0
[ 121.316185][ T3548] bridge0: port 1(bridge_slave_0) entered blocking state
[ 121.323455][ T3548] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 121.344852][ T153] bridge0: port 2(bridge_slave_1) entered blocking state
[ 121.352043][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 121.529038][ T6328] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 121.543465][ T6328] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 121.579723][ T6328] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 121.590842][ T6328] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 122.023547][ T6331] netdevsim netdevsim2 netdevsim0: renamed from eth0
[ 122.077401][ T6331] netdevsim netdevsim2 netdevsim1: renamed from eth1
[ 122.109751][ T6328] 8021q: adding VLAN 0 to HW filter on device bond0
[ 122.123276][ T6331] netdevsim netdevsim2 netdevsim2: renamed from eth2
[ 122.160595][ T6337] Bluetooth: hci2: command tx timeout
[ 122.160795][ T6344] Bluetooth: hci1: command tx timeout
[ 122.166177][ T5149] Bluetooth: hci0: command tx timeout
[ 122.171558][ T51] Bluetooth: hci3: command tx timeout
[ 122.194878][ T6331] netdevsim netdevsim2 netdevsim3: renamed from eth3
[ 122.219948][ T6341] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 122.241341][ T51] Bluetooth: hci4: command tx timeout
[ 122.377148][ T6328] 8021q: adding VLAN 0 to HW filter on device team0
[ 122.396793][ T153] bridge0: port 1(bridge_slave_0) entered blocking state
[ 122.404058][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 122.461036][ T153] bridge0: port 2(bridge_slave_1) entered blocking state
[ 122.468299][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 122.682451][ T6340] netdevsim netdevsim3 netdevsim0: renamed from eth0
[ 122.711782][ T6340] netdevsim netdevsim3 netdevsim1: renamed from eth1
[ 122.730718][ T6340] netdevsim netdevsim3 netdevsim2: renamed from eth2
[ 122.771056][ T6340] netdevsim netdevsim3 netdevsim3: renamed from eth3
[ 122.964422][ T6331] 8021q: adding VLAN 0 to HW filter on device bond0
[ 123.042810][ T6330] netdevsim netdevsim1 netdevsim0: renamed from eth0
[ 123.078784][ T6330] netdevsim netdevsim1 netdevsim1: renamed from eth1
[ 123.099352][ T6330] netdevsim netdevsim1 netdevsim2: renamed from eth2
[ 123.143342][ T6330] netdevsim netdevsim1 netdevsim3: renamed from eth3
[ 123.186283][ T6331] 8021q: adding VLAN 0 to HW filter on device team0
[ 123.224794][ T6341] veth0_vlan: entered promiscuous mode
[ 123.275140][ T36] bridge0: port 1(bridge_slave_0) entered blocking state
[ 123.282428][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 123.318784][ T6341] veth1_vlan: entered promiscuous mode
[ 123.350275][ T3548] bridge0: port 2(bridge_slave_1) entered blocking state
[ 123.357484][ T3548] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 123.423476][ T6328] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 123.624001][ T6341] veth0_macvtap: entered promiscuous mode
[ 123.649723][ T6340] 8021q: adding VLAN 0 to HW filter on device bond0
[ 123.690171][ T6341] veth1_macvtap: entered promiscuous mode
[ 123.825992][ T6340] 8021q: adding VLAN 0 to HW filter on device team0
[ 123.839425][ T6341] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 123.868964][ T6328] veth0_vlan: entered promiscuous mode
[ 123.896559][ T6341] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 123.916583][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 123.923827][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 123.953663][ T6330] 8021q: adding VLAN 0 to HW filter on device bond0
[ 123.995818][ T153] bridge0: port 2(bridge_slave_1) entered blocking state
[ 124.003045][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 124.039012][ T12] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 124.059629][ T6328] veth1_vlan: entered promiscuous mode
[ 124.087856][ T12] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 124.099231][ T12] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 124.154909][ T12] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 124.223274][ T6330] 8021q: adding VLAN 0 to HW filter on device team0
[ 124.241567][ T51] Bluetooth: hci0: command tx timeout
[ 124.241599][ T5149] Bluetooth: hci2: command tx timeout
[ 124.247326][ T6344] Bluetooth: hci3: command tx timeout
[ 124.252530][ T6337] Bluetooth: hci1: command tx timeout
[ 124.322855][ T6344] Bluetooth: hci4: command tx timeout
[ 124.365413][ T35] bridge0: port 1(bridge_slave_0) entered blocking state
[ 124.372647][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 124.416153][ T6331] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 124.478083][ T36] bridge0: port 2(bridge_slave_1) entered blocking state
[ 124.485331][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 124.529693][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 124.563639][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 124.675353][ T6328] veth0_macvtap: entered promiscuous mode
[ 124.748330][ T6328] veth1_macvtap: entered promiscuous mode
[ 124.761042][ T3548] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 124.779217][ T3548] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2026/03/09 23:36:03 executed programs: 10
[ 124.982918][ T6328] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 125.069930][ T6328] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 125.099354][ T6331] veth0_vlan: entered promiscuous mode
[ 125.138205][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 125.164817][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 125.219452][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 125.250749][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 125.326132][ T6331] veth1_vlan: entered promiscuous mode
[ 125.381305][ T6340] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 125.617510][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 125.639533][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 125.710016][ T6331] veth0_macvtap: entered promiscuous mode
[ 125.777462][ T6330] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 125.796422][ T6521] loop4: detected capacity change from 0 to 32768
[ 125.813731][ T6331] veth1_macvtap: entered promiscuous mode
[ 125.877589][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 125.879619][ T6340] veth0_vlan: entered promiscuous mode
[ 125.891564][ T6521] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 125.891623][ T6521] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 125.905757][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 125.986509][ T6521] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 125.998103][ T6340] veth1_vlan: entered promiscuous mode
[ 126.040481][ T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 126.063281][ T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 126.114729][ T6331] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 126.207949][ T6331] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 126.270250][ T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 206ms
[ 126.300509][ T24] gfs2: fsid=syz:syz.0: jid=0: Done
[ 126.314377][ T6521] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 126.315147][ T36] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 126.371403][ T36] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 126.434493][ T36] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 126.524304][ T3548] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 126.558353][ T6521] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 126.587007][ T6330] veth0_vlan: entered promiscuous mode
[ 126.642130][ T6340] veth0_macvtap: entered promiscuous mode
[ 126.758681][ T6330] veth1_vlan: entered promiscuous mode
[ 126.787012][ T6340] veth1_macvtap: entered promiscuous mode
[ 126.868164][ T35] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 126.899994][ T35] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 127.044971][ T6521] syz.4.19 (6521): drop_caches: 2
[ 127.059434][ T6340] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 127.096336][ T35] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 127.105048][ T6340] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 127.114148][ T35] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 127.145508][ T6545] loop0: detected capacity change from 0 to 32768
[ 127.202012][ T6545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 127.216135][ T6545] CPU: 1 UID: 0 PID: 6545 Comm: syz.0.15 Not tainted syzkaller #0 PREEMPT(full)
[ 127.216160][ T6545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 127.216175][ T6545] Call Trace:
[ 127.216184][ T6545]
[ 127.216191][ T6545] dump_stack_lvl+0xe8/0x150
[ 127.216219][ T6545] sysfs_create_dir_ns+0x271/0x2a0
[ 127.216240][ T6545] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 127.216261][ T6545] ? do_raw_spin_unlock+0xf5/0x210
[ 127.216284][ T6545] kobject_add_internal+0x62b/0xd00
[ 127.216307][ T6545] kobject_init_and_add+0x12b/0x1a0
[ 127.216329][ T6545] ? __pfx_kobject_init_and_add+0x10/0x10
[ 127.216346][ T6545] ? __raw_spin_lock_init+0x45/0x100
[ 127.216368][ T6545] ? __init_swait_queue_head+0xa9/0x150
[ 127.216389][ T6545] gfs2_sys_fs_add+0x257/0x480
[ 127.216409][ T6545] ? is_dynamic_key+0x1ac/0x1c0
[ 127.216442][ T6545] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 127.216467][ T6545] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 127.216500][ T6545] gfs2_fill_super+0x13a7/0x21d0
[ 127.216529][ T6545] ? __pfx_gfs2_fill_super+0x10/0x10
[ 127.216548][ T6545] ? sb_set_blocksize+0x155/0x240
[ 127.216574][ T6545] ? setup_bdev_super+0x4c1/0x5b0
[ 127.216601][ T6545] get_tree_bdev_flags+0x431/0x4f0
[ 127.216625][ T6545] ? __pfx_gfs2_fill_super+0x10/0x10
[ 127.216640][ T6545] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 127.216661][ T6545] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 127.216692][ T6545] gfs2_get_tree+0x51/0x1e0
[ 127.216710][ T6545] vfs_get_tree+0x92/0x2a0
[ 127.216735][ T6545] do_new_mount+0x341/0xd30
[ 127.216753][ T6545] ? apparmor_capable+0x126/0x170
[ 127.216780][ T6545] ? __pfx_do_new_mount+0x10/0x10
[ 127.216800][ T6545] ? ns_capable+0x89/0xe0
[ 127.216831][ T6545] ? user_path_at+0xd4/0x160
[ 127.216852][ T6545] __se_sys_mount+0x31d/0x420
[ 127.216873][ T6545] ? __pfx___se_sys_mount+0x10/0x10
[ 127.216900][ T6545] ? __x64_sys_mount+0x20/0xc0
[ 127.216920][ T6545] do_syscall_64+0x14d/0xf80
[ 127.216942][ T6545] ? trace_irq_disable+0x3b/0x150
[ 127.216961][ T6545] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 127.216980][ T6545] ? clear_bhb_loop+0x40/0x90
[ 127.217000][ T6545] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 127.217017][ T6545] RIP: 0033:0x7f12b1981a2a
[ 127.217039][ T6545] 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
[ 127.217053][ T6545] RSP: 002b:00007f12b268de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 127.217074][ T6545] RAX: ffffffffffffffda RBX: 00007f12b268def0 RCX: 00007f12b1981a2a
[ 127.217087][ T6545] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12b268deb0
[ 127.217098][ T6545] RBP: 00000000200124c0 R08: 00007f12b268def0 R09: 0000000000000000
[ 127.217109][ T6545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 127.217119][ T6545] R13: 00007f12b268deb0 R14: 00000000000125b0 R15: 0000000020000480
[ 127.217142][ T6545]
[ 127.217244][ T6545] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 127.225129][ T35] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 127.257548][ T6545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 127.327485][ T35] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 127.344716][ T35] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 127.624892][ T35] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 127.663673][ T6330] veth0_macvtap: entered promiscuous mode
[ 127.705118][ T6330] veth1_macvtap: entered promiscuous mode
[ 127.893010][ T6330] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 127.988919][ T6330] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 128.075433][ T35] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 128.113105][ T35] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 128.174823][ T35] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 128.191725][ T35] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 128.266928][ T35] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 128.292344][ T35] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 128.490155][ T35] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 128.519140][ T35] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 128.564123][ T6545] syz.0.15 (6545): drop_caches: 2
[ 128.676541][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 128.712562][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 128.886004][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 128.919481][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 129.042910][ T6569] loop2: detected capacity change from 0 to 32768
[ 129.109038][ T6569] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 129.208743][ T6569] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 129.278296][ T6581] loop4: detected capacity change from 0 to 32768
[ 129.328494][ T6569] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 129.385596][ T6581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 129.386954][ T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 129.415840][ T6581] CPU: 0 UID: 0 PID: 6581 Comm: syz.4.20 Not tainted syzkaller #0 PREEMPT(full)
[ 129.415866][ T6581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 129.415876][ T6581] Call Trace:
[ 129.415883][ T6581]
[ 129.415890][ T6581] dump_stack_lvl+0xe8/0x150
[ 129.415923][ T6581] sysfs_create_dir_ns+0x271/0x2a0
[ 129.415948][ T6581] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 129.415972][ T6581] ? do_raw_spin_unlock+0xf5/0x210
[ 129.415999][ T6581] kobject_add_internal+0x62b/0xd00
[ 129.416026][ T6581] kobject_init_and_add+0x12b/0x1a0
[ 129.416049][ T6581] ? __pfx_kobject_init_and_add+0x10/0x10
[ 129.416069][ T6581] ? __raw_spin_lock_init+0x45/0x100
[ 129.416093][ T6581] ? __init_swait_queue_head+0xa9/0x150
[ 129.416118][ T6581] gfs2_sys_fs_add+0x257/0x480
[ 129.416141][ T6581] ? is_dynamic_key+0x1ac/0x1c0
[ 129.416168][ T6581] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 129.416199][ T6581] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 129.416231][ T6581] gfs2_fill_super+0x13a7/0x21d0
[ 129.416263][ T6581] ? __pfx_gfs2_fill_super+0x10/0x10
[ 129.416284][ T6581] ? sb_set_blocksize+0x155/0x240
[ 129.416314][ T6581] ? setup_bdev_super+0x4c1/0x5b0
[ 129.416342][ T6581] get_tree_bdev_flags+0x431/0x4f0
[ 129.416368][ T6581] ? __pfx_gfs2_fill_super+0x10/0x10
[ 129.416385][ T6581] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 129.416409][ T6581] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 129.416444][ T6581] gfs2_get_tree+0x51/0x1e0
[ 129.416462][ T6581] vfs_get_tree+0x92/0x2a0
[ 129.416490][ T6581] do_new_mount+0x341/0xd30
[ 129.416509][ T6581] ? apparmor_capable+0x126/0x170
[ 129.416541][ T6581] ? __pfx_do_new_mount+0x10/0x10
[ 129.416563][ T6581] ? ns_capable+0x89/0xe0
[ 129.416600][ T6581] ? user_path_at+0xd4/0x160
[ 129.416627][ T6581] __se_sys_mount+0x31d/0x420
[ 129.416656][ T6581] ? __pfx___se_sys_mount+0x10/0x10
[ 129.416684][ T6581] ? __x64_sys_mount+0x20/0xc0
[ 129.416708][ T6581] do_syscall_64+0x14d/0xf80
[ 129.416743][ T6581] ? trace_irq_disable+0x3b/0x150
[ 129.416764][ T6581] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 129.416783][ T6581] ? clear_bhb_loop+0x40/0x90
[ 129.416805][ T6581] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 129.416823][ T6581] RIP: 0033:0x7fe6de581a2a
[ 129.416841][ T6581] 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
[ 129.416855][ T6581] RSP: 002b:00007fe6df293e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 129.416874][ T6581] RAX: ffffffffffffffda RBX: 00007fe6df293ef0 RCX: 00007fe6de581a2a
[ 129.416888][ T6581] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007fe6df293eb0
[ 129.416900][ T6581] RBP: 00000000200124c0 R08: 00007fe6df293ef0 R09: 0000000000000000
[ 129.416912][ T6581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 129.416923][ T6581] R13: 00007fe6df293eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 129.416951][ T6581]
[ 129.416977][ T6581] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 129.477104][ T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 129.483156][ T6581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 130.015507][ T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 538ms
[ 130.052296][ T24] gfs2: fsid=syz:syz.0: jid=0: Done
[ 130.083008][ T6569] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 130.402278][ T6569] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 130.716784][ T6586] loop0: detected capacity change from 0 to 32768
[ 130.768449][ T6586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 130.808019][ T6586] CPU: 1 UID: 0 PID: 6586 Comm: syz.0.21 Not tainted syzkaller #0 PREEMPT(full)
[ 130.808053][ T6586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 130.808064][ T6586] Call Trace:
[ 130.808071][ T6586]
[ 130.808079][ T6586] dump_stack_lvl+0xe8/0x150
[ 130.808112][ T6586] sysfs_create_dir_ns+0x271/0x2a0
[ 130.808136][ T6586] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 130.808161][ T6586] ? do_raw_spin_unlock+0xf5/0x210
[ 130.808188][ T6586] kobject_add_internal+0x62b/0xd00
[ 130.808215][ T6586] kobject_init_and_add+0x12b/0x1a0
[ 130.808239][ T6586] ? __pfx_kobject_init_and_add+0x10/0x10
[ 130.808258][ T6586] ? __raw_spin_lock_init+0x45/0x100
[ 130.808280][ T6586] ? __init_swait_queue_head+0xa9/0x150
[ 130.808304][ T6586] gfs2_sys_fs_add+0x257/0x480
[ 130.808326][ T6586] ? is_dynamic_key+0x1ac/0x1c0
[ 130.808352][ T6586] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 130.808382][ T6586] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 130.808417][ T6586] gfs2_fill_super+0x13a7/0x21d0
[ 130.808449][ T6586] ? __pfx_gfs2_fill_super+0x10/0x10
[ 130.808471][ T6586] ? sb_set_blocksize+0x155/0x240
[ 130.808499][ T6586] ? setup_bdev_super+0x4c1/0x5b0
[ 130.808529][ T6586] get_tree_bdev_flags+0x431/0x4f0
[ 130.808555][ T6586] ? __pfx_gfs2_fill_super+0x10/0x10
[ 130.808571][ T6586] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 130.808596][ T6586] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 130.808632][ T6586] gfs2_get_tree+0x51/0x1e0
[ 130.808652][ T6586] vfs_get_tree+0x92/0x2a0
[ 130.808681][ T6586] do_new_mount+0x341/0xd30
[ 130.808700][ T6586] ? apparmor_capable+0x126/0x170
[ 130.808726][ T6586] ? __pfx_do_new_mount+0x10/0x10
[ 130.808744][ T6586] ? ns_capable+0x89/0xe0
[ 130.808779][ T6586] ? user_path_at+0xd4/0x160
[ 130.808804][ T6586] __se_sys_mount+0x31d/0x420
[ 130.808829][ T6586] ? __pfx___se_sys_mount+0x10/0x10
[ 130.808854][ T6586] ? __x64_sys_mount+0x20/0xc0
[ 130.808873][ T6586] do_syscall_64+0x14d/0xf80
[ 130.808895][ T6586] ? trace_irq_disable+0x3b/0x150
[ 130.808914][ T6586] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 130.808932][ T6586] ? clear_bhb_loop+0x40/0x90
[ 130.808953][ T6586] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 130.808971][ T6586] RIP: 0033:0x7f12b1981a2a
[ 130.808989][ T6586] 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
[ 130.809004][ T6586] RSP: 002b:00007f12b268de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 130.809023][ T6586] RAX: ffffffffffffffda RBX: 00007f12b268def0 RCX: 00007f12b1981a2a
[ 130.809036][ T6586] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12b268deb0
[ 130.809080][ T6586] RBP: 00000000200124c0 R08: 00007f12b268def0 R09: 0000000000000000
[ 130.809092][ T6586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 130.809102][ T6586] R13: 00007f12b268deb0 R14: 00000000000125b0 R15: 0000000020000480
[ 130.809130][ T6586]
[ 130.809156][ T6586] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 131.129686][ T6590] loop3: detected capacity change from 0 to 32768
[ 131.176711][ T6586] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 131.185638][ T6590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 131.202426][ T6595] loop1: detected capacity change from 0 to 32768
[ 131.224148][ T6590] CPU: 0 UID: 0 PID: 6590 Comm: syz.3.18 Not tainted syzkaller #0 PREEMPT(full)
[ 131.224172][ T6590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 131.224184][ T6590] Call Trace:
[ 131.224191][ T6590]
[ 131.224199][ T6590] dump_stack_lvl+0xe8/0x150
[ 131.224239][ T6590] sysfs_create_dir_ns+0x271/0x2a0
[ 131.224266][ T6590] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 131.224289][ T6590] ? do_raw_spin_unlock+0xf5/0x210
[ 131.224314][ T6590] kobject_add_internal+0x62b/0xd00
[ 131.224342][ T6590] kobject_init_and_add+0x12b/0x1a0
[ 131.224367][ T6590] ? __pfx_kobject_init_and_add+0x10/0x10
[ 131.224388][ T6590] ? __raw_spin_lock_init+0x45/0x100
[ 131.224412][ T6590] ? __init_swait_queue_head+0xa9/0x150
[ 131.224437][ T6590] gfs2_sys_fs_add+0x257/0x480
[ 131.224467][ T6590] ? is_dynamic_key+0x1ac/0x1c0
[ 131.224494][ T6590] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 131.224524][ T6590] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 131.224564][ T6590] gfs2_fill_super+0x13a7/0x21d0
[ 131.224595][ T6590] ? __pfx_gfs2_fill_super+0x10/0x10
[ 131.224617][ T6590] ? sb_set_blocksize+0x155/0x240
[ 131.224643][ T6590] ? setup_bdev_super+0x4c1/0x5b0
[ 131.224668][ T6590] get_tree_bdev_flags+0x431/0x4f0
[ 131.224693][ T6590] ? __pfx_gfs2_fill_super+0x10/0x10
[ 131.224709][ T6590] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 131.224731][ T6590] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 131.224766][ T6590] gfs2_get_tree+0x51/0x1e0
[ 131.224786][ T6590] vfs_get_tree+0x92/0x2a0
[ 131.224820][ T6590] do_new_mount+0x341/0xd30
[ 131.224839][ T6590] ? apparmor_capable+0x126/0x170
[ 131.224869][ T6590] ? __pfx_do_new_mount+0x10/0x10
[ 131.224891][ T6590] ? ns_capable+0x89/0xe0
[ 131.224927][ T6590] ? user_path_at+0xd4/0x160
[ 131.224952][ T6590] __se_sys_mount+0x31d/0x420
[ 131.224979][ T6590] ? __pfx___se_sys_mount+0x10/0x10
[ 131.225005][ T6590] ? __x64_sys_mount+0x20/0xc0
[ 131.225026][ T6590] do_syscall_64+0x14d/0xf80
[ 131.225050][ T6590] ? trace_irq_disable+0x3b/0x150
[ 131.225070][ T6590] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 131.225087][ T6590] ? clear_bhb_loop+0x40/0x90
[ 131.225107][ T6590] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 131.225124][ T6590] RIP: 0033:0x7f12eab81a2a
[ 131.225143][ T6590] 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
[ 131.225158][ T6590] RSP: 002b:00007f12eb895e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 131.225177][ T6590] RAX: ffffffffffffffda RBX: 00007f12eb895ef0 RCX: 00007f12eab81a2a
[ 131.225189][ T6590] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12eb895eb0
[ 131.225199][ T6590] RBP: 00000000200124c0 R08: 00007f12eb895ef0 R09: 0000000000000000
[ 131.225210][ T6590] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 131.225220][ T6590] R13: 00007f12eb895eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 131.225245][ T6590]
[ 131.225271][ T6590] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 131.547670][ T6595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 131.580576][ T6590] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 131.617476][ T6595] CPU: 0 UID: 0 PID: 6595 Comm: syz.1.16 Not tainted syzkaller #0 PREEMPT(full)
[ 131.617503][ T6595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 131.617513][ T6595] Call Trace:
[ 131.617520][ T6595]
[ 131.617529][ T6595] dump_stack_lvl+0xe8/0x150
[ 131.617561][ T6595] sysfs_create_dir_ns+0x271/0x2a0
[ 131.617587][ T6595] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 131.617611][ T6595] ? do_raw_spin_unlock+0xf5/0x210
[ 131.617637][ T6595] kobject_add_internal+0x62b/0xd00
[ 131.617665][ T6595] kobject_init_and_add+0x12b/0x1a0
[ 131.617689][ T6595] ? __pfx_kobject_init_and_add+0x10/0x10
[ 131.617710][ T6595] ? __raw_spin_lock_init+0x45/0x100
[ 131.617734][ T6595] ? __init_swait_queue_head+0xa9/0x150
[ 131.617759][ T6595] gfs2_sys_fs_add+0x257/0x480
[ 131.617782][ T6595] ? is_dynamic_key+0x1ac/0x1c0
[ 131.617808][ T6595] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 131.617840][ T6595] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 131.617875][ T6595] gfs2_fill_super+0x13a7/0x21d0
[ 131.617908][ T6595] ? __pfx_gfs2_fill_super+0x10/0x10
[ 131.617931][ T6595] ? sb_set_blocksize+0x155/0x240
[ 131.617960][ T6595] ? setup_bdev_super+0x4c1/0x5b0
[ 131.617989][ T6595] get_tree_bdev_flags+0x431/0x4f0
[ 131.618016][ T6595] ? __pfx_gfs2_fill_super+0x10/0x10
[ 131.618034][ T6595] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 131.618058][ T6595] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 131.618095][ T6595] gfs2_get_tree+0x51/0x1e0
[ 131.618115][ T6595] vfs_get_tree+0x92/0x2a0
[ 131.618145][ T6595] do_new_mount+0x341/0xd30
[ 131.618164][ T6595] ? apparmor_capable+0x126/0x170
[ 131.618195][ T6595] ? __pfx_do_new_mount+0x10/0x10
[ 131.618217][ T6595] ? ns_capable+0x89/0xe0
[ 131.618253][ T6595] ? user_path_at+0xd4/0x160
[ 131.618280][ T6595] __se_sys_mount+0x31d/0x420
[ 131.618308][ T6595] ? __pfx___se_sys_mount+0x10/0x10
[ 131.618336][ T6595] ? __x64_sys_mount+0x20/0xc0
[ 131.618360][ T6595] do_syscall_64+0x14d/0xf80
[ 131.618385][ T6595] ? trace_irq_disable+0x3b/0x150
[ 131.618405][ T6595] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 131.618424][ T6595] ? clear_bhb_loop+0x40/0x90
[ 131.618446][ T6595] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 131.618474][ T6595] RIP: 0033:0x7f1df3181a2a
[ 131.618495][ T6595] 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
[ 131.618508][ T6595] RSP: 002b:00007f1df3f4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 131.618527][ T6595] RAX: ffffffffffffffda RBX: 00007f1df3f4fef0 RCX: 00007f1df3181a2a
[ 131.618540][ T6595] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1df3f4feb0
[ 131.618552][ T6595] RBP: 00000000200124c0 R08: 00007f1df3f4fef0 R09: 0000000000000000
[ 131.618563][ T6595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 131.618574][ T6595] R13: 00007f1df3f4feb0 R14: 00000000000125b0 R15: 0000000020000480
[ 131.618603][ T6595]
[ 131.618627][ T6595] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 131.709287][ T6581] syz.4.20 (6581): drop_caches: 2
[ 131.938683][ T6595] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/09 23:36:10 executed programs: 17
[ 132.186607][ T6586] syz.0.21 (6586): drop_caches: 2
[ 132.282589][ T6569] syz.2.17 (6569): drop_caches: 2
[ 132.728805][ T1307] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.738631][ T1307] ieee802154 phy1 wpan1: encryption failed: -22
[ 133.583302][ T6628] loop4: detected capacity change from 0 to 32768
[ 133.623290][ T6625] loop3: detected capacity change from 0 to 32768
[ 133.648181][ T6628] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 133.648759][ T6631] loop0: detected capacity change from 0 to 32768
[ 133.681081][ T6625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 133.703497][ T6625] CPU: 1 UID: 0 PID: 6625 Comm: syz.3.22 Not tainted syzkaller #0 PREEMPT(full)
[ 133.703520][ T6625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 133.703530][ T6625] Call Trace:
[ 133.703537][ T6625]
[ 133.703545][ T6625] dump_stack_lvl+0xe8/0x150
[ 133.703579][ T6625] sysfs_create_dir_ns+0x271/0x2a0
[ 133.703605][ T6625] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 133.703629][ T6625] ? do_raw_spin_unlock+0xf5/0x210
[ 133.703656][ T6625] kobject_add_internal+0x62b/0xd00
[ 133.703684][ T6625] kobject_init_and_add+0x12b/0x1a0
[ 133.703710][ T6625] ? __pfx_kobject_init_and_add+0x10/0x10
[ 133.703739][ T6625] ? __raw_spin_lock_init+0x45/0x100
[ 133.703763][ T6625] ? __init_swait_queue_head+0xa9/0x150
[ 133.703789][ T6625] gfs2_sys_fs_add+0x257/0x480
[ 133.703811][ T6625] ? is_dynamic_key+0x1ac/0x1c0
[ 133.703838][ T6625] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 133.703869][ T6625] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 133.703904][ T6625] gfs2_fill_super+0x13a7/0x21d0
[ 133.703938][ T6625] ? __pfx_gfs2_fill_super+0x10/0x10
[ 133.703961][ T6625] ? sb_set_blocksize+0x155/0x240
[ 133.703991][ T6625] ? setup_bdev_super+0x4c1/0x5b0
[ 133.704021][ T6625] get_tree_bdev_flags+0x431/0x4f0
[ 133.704048][ T6625] ? __pfx_gfs2_fill_super+0x10/0x10
[ 133.704065][ T6625] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 133.704090][ T6625] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 133.704124][ T6625] gfs2_get_tree+0x51/0x1e0
[ 133.704145][ T6625] vfs_get_tree+0x92/0x2a0
[ 133.704174][ T6625] do_new_mount+0x341/0xd30
[ 133.704194][ T6625] ? apparmor_capable+0x126/0x170
[ 133.704226][ T6625] ? __pfx_do_new_mount+0x10/0x10
[ 133.704247][ T6625] ? ns_capable+0x89/0xe0
[ 133.704283][ T6625] ? user_path_at+0xd4/0x160
[ 133.704309][ T6625] __se_sys_mount+0x31d/0x420
[ 133.704337][ T6625] ? __pfx___se_sys_mount+0x10/0x10
[ 133.704365][ T6625] ? __x64_sys_mount+0x20/0xc0
[ 133.704389][ T6625] do_syscall_64+0x14d/0xf80
[ 133.704415][ T6625] ? trace_irq_disable+0x3b/0x150
[ 133.704436][ T6625] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 133.704454][ T6625] ? clear_bhb_loop+0x40/0x90
[ 133.704476][ T6625] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 133.704494][ T6625] RIP: 0033:0x7f12eab81a2a
[ 133.704511][ T6625] 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
[ 133.704526][ T6625] RSP: 002b:00007f12eb895e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 133.704545][ T6625] RAX: ffffffffffffffda RBX: 00007f12eb895ef0 RCX: 00007f12eab81a2a
[ 133.704558][ T6625] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12eb895eb0
[ 133.704570][ T6625] RBP: 00000000200124c0 R08: 00007f12eb895ef0 R09: 0000000000000000
[ 133.704581][ T6625] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 133.704592][ T6625] R13: 00007f12eb895eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 133.704621][ T6625]
[ 133.704644][ T6625] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 133.705137][ T6628] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 133.714272][ T6631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 133.865354][ T6638] loop1: detected capacity change from 0 to 32768
[ 133.914885][ T6625] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 133.925588][ T6631] CPU: 0 UID: 0 PID: 6631 Comm: syz.0.24 Not tainted syzkaller #0 PREEMPT(full)
[ 133.925612][ T6631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 133.925622][ T6631] Call Trace:
[ 133.925629][ T6631]
[ 133.925636][ T6631] dump_stack_lvl+0xe8/0x150
[ 133.925678][ T6631] sysfs_create_dir_ns+0x271/0x2a0
[ 133.925704][ T6631] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 133.925727][ T6631] ? do_raw_spin_unlock+0xf5/0x210
[ 133.925753][ T6631] kobject_add_internal+0x62b/0xd00
[ 133.925780][ T6631] kobject_init_and_add+0x12b/0x1a0
[ 133.925804][ T6631] ? __pfx_kobject_init_and_add+0x10/0x10
[ 133.925824][ T6631] ? __raw_spin_lock_init+0x45/0x100
[ 133.925848][ T6631] ? __init_swait_queue_head+0xa9/0x150
[ 133.925873][ T6631] gfs2_sys_fs_add+0x257/0x480
[ 133.925895][ T6631] ? is_dynamic_key+0x1ac/0x1c0
[ 133.925921][ T6631] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 133.925950][ T6631] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 133.925984][ T6631] gfs2_fill_super+0x13a7/0x21d0
[ 133.926016][ T6631] ? __pfx_gfs2_fill_super+0x10/0x10
[ 133.926037][ T6631] ? sb_set_blocksize+0x155/0x240
[ 133.926067][ T6631] ? setup_bdev_super+0x4c1/0x5b0
[ 133.926095][ T6631] get_tree_bdev_flags+0x431/0x4f0
[ 133.926121][ T6631] ? __pfx_gfs2_fill_super+0x10/0x10
[ 133.926138][ T6631] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 133.926162][ T6631] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 133.926198][ T6631] gfs2_get_tree+0x51/0x1e0
[ 133.926217][ T6631] vfs_get_tree+0x92/0x2a0
[ 133.926245][ T6631] do_new_mount+0x341/0xd30
[ 133.926264][ T6631] ? apparmor_capable+0x126/0x170
[ 133.926295][ T6631] ? __pfx_do_new_mount+0x10/0x10
[ 133.926316][ T6631] ? ns_capable+0x89/0xe0
[ 133.926351][ T6631] ? user_path_at+0xd4/0x160
[ 133.926377][ T6631] __se_sys_mount+0x31d/0x420
[ 133.926403][ T6631] ? __pfx___se_sys_mount+0x10/0x10
[ 133.926431][ T6631] ? __x64_sys_mount+0x20/0xc0
[ 133.926454][ T6631] do_syscall_64+0x14d/0xf80
[ 133.926480][ T6631] ? trace_irq_disable+0x3b/0x150
[ 133.926499][ T6631] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 133.926518][ T6631] ? clear_bhb_loop+0x40/0x90
[ 133.926539][ T6631] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 133.926560][ T6631] RIP: 0033:0x7f12b1981a2a
[ 133.926577][ T6631] 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
[ 133.926591][ T6631] RSP: 002b:00007f12b268de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 133.926610][ T6631] RAX: ffffffffffffffda RBX: 00007f12b268def0 RCX: 00007f12b1981a2a
[ 133.926622][ T6631] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12b268deb0
[ 133.926634][ T6631] RBP: 00000000200124c0 R08: 00007f12b268def0 R09: 0000000000000000
[ 133.926692][ T6631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 133.926702][ T6631] R13: 00007f12b268deb0 R14: 00000000000125b0 R15: 0000000020000480
[ 133.926730][ T6631]
[ 133.926764][ T6631] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 134.021502][ T6638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 134.208428][ T6628] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 134.222575][ T6631] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 134.230995][ T6638] CPU: 0 UID: 0 PID: 6638 Comm: syz.1.26 Not tainted syzkaller #0 PREEMPT(full)
[ 134.231018][ T6638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 134.231029][ T6638] Call Trace:
[ 134.231036][ T6638]
[ 134.231043][ T6638] dump_stack_lvl+0xe8/0x150
[ 134.231076][ T6638] sysfs_create_dir_ns+0x271/0x2a0
[ 134.231110][ T6638] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 134.231133][ T6638] ? do_raw_spin_unlock+0xf5/0x210
[ 134.231160][ T6638] kobject_add_internal+0x62b/0xd00
[ 134.231188][ T6638] kobject_init_and_add+0x12b/0x1a0
[ 134.231211][ T6638] ? __pfx_kobject_init_and_add+0x10/0x10
[ 134.231232][ T6638] ? __raw_spin_lock_init+0x45/0x100
[ 134.231255][ T6638] ? __init_swait_queue_head+0xa9/0x150
[ 134.231280][ T6638] gfs2_sys_fs_add+0x257/0x480
[ 134.231302][ T6638] ? is_dynamic_key+0x1ac/0x1c0
[ 134.231328][ T6638] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 134.231358][ T6638] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 134.231393][ T6638] gfs2_fill_super+0x13a7/0x21d0
[ 134.231423][ T6638] ? __pfx_gfs2_fill_super+0x10/0x10
[ 134.231445][ T6638] ? sb_set_blocksize+0x155/0x240
[ 134.231475][ T6638] ? setup_bdev_super+0x4c1/0x5b0
[ 134.231504][ T6638] get_tree_bdev_flags+0x431/0x4f0
[ 134.231531][ T6638] ? __pfx_gfs2_fill_super+0x10/0x10
[ 134.231548][ T6638] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 134.231572][ T6638] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 134.231607][ T6638] gfs2_get_tree+0x51/0x1e0
[ 134.231627][ T6638] vfs_get_tree+0x92/0x2a0
[ 134.231654][ T6638] do_new_mount+0x341/0xd30
[ 134.231674][ T6638] ? apparmor_capable+0x126/0x170
[ 134.231705][ T6638] ? __pfx_do_new_mount+0x10/0x10
[ 134.231726][ T6638] ? ns_capable+0x89/0xe0
[ 134.231760][ T6638] ? user_path_at+0xd4/0x160
[ 134.231789][ T6638] __se_sys_mount+0x31d/0x420
[ 134.231816][ T6638] ? __pfx___se_sys_mount+0x10/0x10
[ 134.231843][ T6638] ? __x64_sys_mount+0x20/0xc0
[ 134.231867][ T6638] do_syscall_64+0x14d/0xf80
[ 134.231891][ T6638] ? trace_irq_disable+0x3b/0x150
[ 134.231911][ T6638] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 134.231929][ T6638] ? clear_bhb_loop+0x40/0x90
[ 134.231950][ T6638] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 134.231968][ T6638] RIP: 0033:0x7f1df3181a2a
[ 134.231985][ T6638] 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
[ 134.232000][ T6638] RSP: 002b:00007f1df3f4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 134.232018][ T6638] RAX: ffffffffffffffda RBX: 00007f1df3f4fef0 RCX: 00007f1df3181a2a
[ 134.232031][ T6638] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1df3f4feb0
[ 134.232043][ T6638] RBP: 00000000200124c0 R08: 00007f1df3f4fef0 R09: 0000000000000000
[ 134.232054][ T6638] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 134.232065][ T6638] R13: 00007f1df3f4feb0 R14: 00000000000125b0 R15: 0000000020000480
[ 134.232098][ T6638]
[ 134.232132][ T6638] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 134.397202][ T5923] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 134.537400][ T6638] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 134.933595][ T6659] syz.0.24 (6659): drop_caches: 2
[ 134.941781][ T5923] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 134.953871][ T6625] syz.3.22 (6625): drop_caches: 2
[ 134.978405][ T6638] syz.1.26 (6638): drop_caches: 2
[ 135.047180][ T6638] syz.1.26 (6638): drop_caches: 2
[ 135.132933][ T6641] loop2: detected capacity change from 0 to 32768
[ 135.213028][ T6641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 135.263213][ T5923] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 321ms
[ 135.272312][ T5923] gfs2: fsid=syz:syz.0: jid=0: Done
[ 135.279073][ T6628] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 135.289660][ T6641] CPU: 0 UID: 0 PID: 6641 Comm: syz.2.25 Not tainted syzkaller #0 PREEMPT(full)
[ 135.289684][ T6641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 135.289694][ T6641] Call Trace:
[ 135.289701][ T6641]
[ 135.289708][ T6641] dump_stack_lvl+0xe8/0x150
[ 135.289741][ T6641] sysfs_create_dir_ns+0x271/0x2a0
[ 135.289766][ T6641] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 135.289789][ T6641] ? do_raw_spin_unlock+0xf5/0x210
[ 135.289815][ T6641] kobject_add_internal+0x62b/0xd00
[ 135.289843][ T6641] kobject_init_and_add+0x12b/0x1a0
[ 135.289867][ T6641] ? __pfx_kobject_init_and_add+0x10/0x10
[ 135.289887][ T6641] ? __raw_spin_lock_init+0x45/0x100
[ 135.289910][ T6641] ? __init_swait_queue_head+0xa9/0x150
[ 135.289935][ T6641] gfs2_sys_fs_add+0x257/0x480
[ 135.289958][ T6641] ? is_dynamic_key+0x1ac/0x1c0
[ 135.289985][ T6641] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 135.290016][ T6641] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 135.290052][ T6641] gfs2_fill_super+0x13a7/0x21d0
[ 135.290082][ T6641] ? __pfx_gfs2_fill_super+0x10/0x10
[ 135.290105][ T6641] ? sb_set_blocksize+0x155/0x240
[ 135.290136][ T6641] ? setup_bdev_super+0x4c1/0x5b0
[ 135.290165][ T6641] get_tree_bdev_flags+0x431/0x4f0
[ 135.290193][ T6641] ? __pfx_gfs2_fill_super+0x10/0x10
[ 135.290210][ T6641] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 135.290235][ T6641] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 135.290272][ T6641] gfs2_get_tree+0x51/0x1e0
[ 135.290295][ T6641] vfs_get_tree+0x92/0x2a0
[ 135.290321][ T6641] do_new_mount+0x341/0xd30
[ 135.290341][ T6641] ? apparmor_capable+0x126/0x170
[ 135.290372][ T6641] ? __pfx_do_new_mount+0x10/0x10
[ 135.290393][ T6641] ? ns_capable+0x89/0xe0
[ 135.290428][ T6641] ? user_path_at+0xd4/0x160
[ 135.290455][ T6641] __se_sys_mount+0x31d/0x420
[ 135.290482][ T6641] ? __pfx___se_sys_mount+0x10/0x10
[ 135.290510][ T6641] ? __x64_sys_mount+0x20/0xc0
[ 135.290534][ T6641] do_syscall_64+0x14d/0xf80
[ 135.290568][ T6641] ? trace_irq_disable+0x3b/0x150
[ 135.290588][ T6641] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 135.290607][ T6641] ? clear_bhb_loop+0x40/0x90
[ 135.290630][ T6641] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 135.290648][ T6641] RIP: 0033:0x7f1704581a2a
[ 135.290666][ T6641] 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
[ 135.290680][ T6641] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 135.290700][ T6641] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 135.290713][ T6641] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 135.290726][ T6641] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 135.290737][ T6641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 135.290749][ T6641] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 135.290778][ T6641]
[ 135.640502][ T6641] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 135.723716][ T6641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 135.844956][ T6628] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 135.859332][ T6641] syz.2.25 (6641): drop_caches: 2
[ 135.914607][ T6641] syz.2.25 (6641): drop_caches: 2
[ 136.076740][ T6665] loop3: detected capacity change from 0 to 32768
[ 136.111622][ T6665] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 136.188585][ T6665] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 136.355231][ T6665] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 136.398861][ T6448] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 136.405873][ T6448] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 136.761374][ T6448] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 355ms
[ 136.787513][ T6448] gfs2: fsid=syz:syz.0: jid=0: Done
[ 136.808923][ T6665] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 137.025618][ T6665] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 137.090020][ T6665] syz.3.28 (6665): drop_caches: 2
[ 137.091750][ T6678] loop2: detected capacity change from 0 to 32768
[ 137.106591][ T6665] syz.3.28 (6665): drop_caches: 2
[ 137.129191][ T6673] loop1: detected capacity change from 0 to 32768
[ 137.148447][ T6678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 137.168416][ T6673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 137.175048][ T6678] CPU: 1 UID: 0 PID: 6678 Comm: syz.2.31 Not tainted syzkaller #0 PREEMPT(full)
[ 137.175071][ T6678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 137.175081][ T6678] Call Trace:
[ 137.175089][ T6678]
[ 137.175096][ T6678] dump_stack_lvl+0xe8/0x150
[ 137.175129][ T6678] sysfs_create_dir_ns+0x271/0x2a0
[ 137.175155][ T6678] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 137.175178][ T6678] ? do_raw_spin_unlock+0xf5/0x210
[ 137.175204][ T6678] kobject_add_internal+0x62b/0xd00
[ 137.175231][ T6678] kobject_init_and_add+0x12b/0x1a0
[ 137.175256][ T6678] ? __pfx_kobject_init_and_add+0x10/0x10
[ 137.175275][ T6678] ? __raw_spin_lock_init+0x45/0x100
2026/03/09 23:36:15 executed programs: 27
[ 137.175298][ T6678] ? __init_swait_queue_head+0xa9/0x150
[ 137.175324][ T6678] gfs2_sys_fs_add+0x257/0x480
[ 137.175347][ T6678] ? is_dynamic_key+0x1ac/0x1c0
[ 137.175372][ T6678] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 137.175401][ T6678] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 137.175436][ T6678] gfs2_fill_super+0x13a7/0x21d0
[ 137.175467][ T6678] ? __pfx_gfs2_fill_super+0x10/0x10
[ 137.175488][ T6678] ? sb_set_blocksize+0x155/0x240
[ 137.175517][ T6678] ? setup_bdev_super+0x4c1/0x5b0
[ 137.175546][ T6678] get_tree_bdev_flags+0x431/0x4f0
[ 137.175572][ T6678] ? __pfx_gfs2_fill_super+0x10/0x10
[ 137.175588][ T6678] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 137.175612][ T6678] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 137.175648][ T6678] gfs2_get_tree+0x51/0x1e0
[ 137.175667][ T6678] vfs_get_tree+0x92/0x2a0
[ 137.175695][ T6678] do_new_mount+0x341/0xd30
[ 137.175714][ T6678] ? apparmor_capable+0x126/0x170
[ 137.175745][ T6678] ? __pfx_do_new_mount+0x10/0x10
[ 137.175766][ T6678] ? ns_capable+0x89/0xe0
[ 137.175801][ T6678] ? user_path_at+0xd4/0x160
[ 137.175823][ T6678] __se_sys_mount+0x31d/0x420
[ 137.175848][ T6678] ? __pfx___se_sys_mount+0x10/0x10
[ 137.175879][ T6678] ? __x64_sys_mount+0x20/0xc0
[ 137.175901][ T6678] do_syscall_64+0x14d/0xf80
[ 137.175925][ T6678] ? trace_irq_disable+0x3b/0x150
[ 137.175943][ T6678] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 137.175959][ T6678] ? clear_bhb_loop+0x40/0x90
[ 137.175979][ T6678] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 137.175996][ T6678] RIP: 0033:0x7f1704581a2a
[ 137.176013][ T6678] 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
[ 137.176027][ T6678] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 137.176046][ T6678] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 137.176058][ T6678] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 137.176070][ T6678] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 137.176081][ T6678] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 137.176091][ T6678] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 137.176120][ T6678]
[ 137.176172][ T6678] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 137.325403][ T6673] CPU: 0 UID: 0 PID: 6673 Comm: syz.1.29 Not tainted syzkaller #0 PREEMPT(full)
[ 137.325428][ T6673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 137.325438][ T6673] Call Trace:
[ 137.325445][ T6673]
[ 137.325452][ T6673] dump_stack_lvl+0xe8/0x150
[ 137.325483][ T6673] sysfs_create_dir_ns+0x271/0x2a0
[ 137.325509][ T6673] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 137.325533][ T6673] ? do_raw_spin_unlock+0xf5/0x210
[ 137.325561][ T6673] kobject_add_internal+0x62b/0xd00
[ 137.325588][ T6673] kobject_init_and_add+0x12b/0x1a0
[ 137.325612][ T6673] ? __pfx_kobject_init_and_add+0x10/0x10
[ 137.325633][ T6673] ? __raw_spin_lock_init+0x45/0x100
[ 137.325655][ T6673] ? __init_swait_queue_head+0xa9/0x150
[ 137.325681][ T6673] gfs2_sys_fs_add+0x257/0x480
[ 137.325703][ T6673] ? is_dynamic_key+0x1ac/0x1c0
[ 137.325729][ T6673] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 137.325758][ T6673] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 137.325792][ T6673] gfs2_fill_super+0x13a7/0x21d0
[ 137.325824][ T6673] ? __pfx_gfs2_fill_super+0x10/0x10
[ 137.325846][ T6673] ? sb_set_blocksize+0x155/0x240
[ 137.325875][ T6673] ? setup_bdev_super+0x4c1/0x5b0
[ 137.325903][ T6673] get_tree_bdev_flags+0x431/0x4f0
[ 137.325930][ T6673] ? __pfx_gfs2_fill_super+0x10/0x10
[ 137.325947][ T6673] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 137.325970][ T6673] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 137.326006][ T6673] gfs2_get_tree+0x51/0x1e0
[ 137.326026][ T6673] vfs_get_tree+0x92/0x2a0
[ 137.326053][ T6673] do_new_mount+0x341/0xd30
[ 137.326073][ T6673] ? apparmor_capable+0x126/0x170
[ 137.326104][ T6673] ? __pfx_do_new_mount+0x10/0x10
[ 137.326125][ T6673] ? ns_capable+0x89/0xe0
[ 137.326159][ T6673] ? user_path_at+0xd4/0x160
[ 137.326185][ T6673] __se_sys_mount+0x31d/0x420
[ 137.326212][ T6673] ? __pfx___se_sys_mount+0x10/0x10
[ 137.326240][ T6673] ? __x64_sys_mount+0x20/0xc0
[ 137.326263][ T6673] do_syscall_64+0x14d/0xf80
[ 137.326287][ T6673] ? trace_irq_disable+0x3b/0x150
[ 137.326307][ T6673] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 137.326325][ T6673] ? clear_bhb_loop+0x40/0x90
[ 137.326352][ T6673] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 137.326370][ T6673] RIP: 0033:0x7f1df3181a2a
[ 137.326386][ T6673] 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
[ 137.326401][ T6673] RSP: 002b:00007f1df3f4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 137.326419][ T6673] RAX: ffffffffffffffda RBX: 00007f1df3f4fef0 RCX: 00007f1df3181a2a
[ 137.326432][ T6673] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1df3f4feb0
[ 137.326443][ T6673] RBP: 00000000200124c0 R08: 00007f1df3f4fef0 R09: 0000000000000000
[ 137.326454][ T6673] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 137.326464][ T6673] R13: 00007f1df3f4feb0 R14: 00000000000125b0 R15: 0000000020000480
[ 137.326493][ T6673]
[ 137.326536][ T6673] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 137.328516][ T6678] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 137.377245][ T6673] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 137.453497][ T6666] loop0: detected capacity change from 0 to 32768
[ 137.523474][ T6678] syz.2.31 (6678): drop_caches: 2
[ 137.639113][ T6666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 137.649457][ T6678] syz.2.31 (6678): drop_caches: 2
[ 137.689002][ T6666] CPU: 1 UID: 0 PID: 6666 Comm: syz.0.27 Not tainted syzkaller #0 PREEMPT(full)
[ 137.689027][ T6666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 137.689038][ T6666] Call Trace:
[ 137.689045][ T6666]
[ 137.689052][ T6666] dump_stack_lvl+0xe8/0x150
[ 137.689086][ T6666] sysfs_create_dir_ns+0x271/0x2a0
[ 137.689112][ T6666] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 137.689136][ T6666] ? do_raw_spin_unlock+0xf5/0x210
[ 137.689168][ T6666] kobject_add_internal+0x62b/0xd00
[ 137.689196][ T6666] kobject_init_and_add+0x12b/0x1a0
[ 137.689221][ T6666] ? __pfx_kobject_init_and_add+0x10/0x10
[ 137.689240][ T6666] ? __raw_spin_lock_init+0x45/0x100
[ 137.689263][ T6666] ? __init_swait_queue_head+0xa9/0x150
[ 137.689288][ T6666] gfs2_sys_fs_add+0x257/0x480
[ 137.689310][ T6666] ? is_dynamic_key+0x1ac/0x1c0
[ 137.689335][ T6666] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 137.689365][ T6666] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 137.689399][ T6666] gfs2_fill_super+0x13a7/0x21d0
[ 137.689430][ T6666] ? __pfx_gfs2_fill_super+0x10/0x10
[ 137.689451][ T6666] ? sb_set_blocksize+0x155/0x240
[ 137.689481][ T6666] ? setup_bdev_super+0x4c1/0x5b0
[ 137.689510][ T6666] get_tree_bdev_flags+0x431/0x4f0
[ 137.689537][ T6666] ? __pfx_gfs2_fill_super+0x10/0x10
[ 137.689553][ T6666] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 137.689577][ T6666] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 137.689612][ T6666] gfs2_get_tree+0x51/0x1e0
[ 137.689632][ T6666] vfs_get_tree+0x92/0x2a0
[ 137.689660][ T6666] do_new_mount+0x341/0xd30
[ 137.689679][ T6666] ? apparmor_capable+0x126/0x170
[ 137.689710][ T6666] ? __pfx_do_new_mount+0x10/0x10
[ 137.689731][ T6666] ? ns_capable+0x89/0xe0
[ 137.689766][ T6666] ? user_path_at+0xd4/0x160
[ 137.689792][ T6666] __se_sys_mount+0x31d/0x420
[ 137.689820][ T6666] ? __pfx___se_sys_mount+0x10/0x10
[ 137.689846][ T6666] ? __x64_sys_mount+0x20/0xc0
[ 137.689870][ T6666] do_syscall_64+0x14d/0xf80
[ 137.689895][ T6666] ? trace_irq_disable+0x3b/0x150
[ 137.689915][ T6666] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 137.689932][ T6666] ? clear_bhb_loop+0x40/0x90
[ 137.689953][ T6666] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 137.689971][ T6666] RIP: 0033:0x7f12b1981a2a
[ 137.689989][ T6666] 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
[ 137.690003][ T6666] RSP: 002b:00007f12b268de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 137.690021][ T6666] RAX: ffffffffffffffda RBX: 00007f12b268def0 RCX: 00007f12b1981a2a
[ 137.690034][ T6666] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12b268deb0
[ 137.690045][ T6666] RBP: 00000000200124c0 R08: 00007f12b268def0 R09: 0000000000000000
[ 137.690056][ T6666] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 137.690067][ T6666] R13: 00007f12b268deb0 R14: 00000000000125b0 R15: 0000000020000480
[ 137.690095][ T6666]
[ 137.690119][ T6666] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 137.893132][ T6673] syz.1.29 (6673): drop_caches: 2
[ 137.915985][ T6666] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 138.234721][ T6673] syz.1.29 (6673): drop_caches: 2
[ 138.728513][ T6685] loop4: detected capacity change from 0 to 32768
[ 138.799789][ T6685] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 138.847280][ T6685] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 138.909174][ T6685] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 138.947148][ T5929] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 138.972095][ T5929] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 139.303611][ T5929] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 331ms
[ 139.328334][ T5929] gfs2: fsid=syz:syz.0: jid=0: Done
[ 139.357548][ T6685] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 139.526578][ T6685] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 139.580345][ T6685] syz.4.30 (6685): drop_caches: 2
[ 139.615262][ T6685] syz.4.30 (6685): drop_caches: 2
[ 139.845497][ T6708] loop0: detected capacity change from 0 to 32768
[ 139.865997][ T6706] loop2: detected capacity change from 0 to 32768
[ 139.896189][ T6708] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 139.908052][ T6706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 139.944896][ T6706] CPU: 0 UID: 0 PID: 6706 Comm: syz.2.33 Not tainted syzkaller #0 PREEMPT(full)
[ 139.944921][ T6706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 139.944933][ T6706] Call Trace:
[ 139.944940][ T6706]
[ 139.944948][ T6706] dump_stack_lvl+0xe8/0x150
[ 139.944980][ T6706] sysfs_create_dir_ns+0x271/0x2a0
[ 139.945006][ T6706] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 139.945030][ T6706] ? do_raw_spin_unlock+0xf5/0x210
[ 139.945058][ T6706] kobject_add_internal+0x62b/0xd00
[ 139.945086][ T6706] kobject_init_and_add+0x12b/0x1a0
[ 139.945110][ T6706] ? __pfx_kobject_init_and_add+0x10/0x10
[ 139.945131][ T6706] ? __raw_spin_lock_init+0x45/0x100
[ 139.945155][ T6706] ? __init_swait_queue_head+0xa9/0x150
[ 139.945181][ T6706] gfs2_sys_fs_add+0x257/0x480
[ 139.945203][ T6706] ? is_dynamic_key+0x1ac/0x1c0
[ 139.945230][ T6706] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 139.945259][ T6706] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 139.945294][ T6706] gfs2_fill_super+0x13a7/0x21d0
[ 139.945327][ T6706] ? __pfx_gfs2_fill_super+0x10/0x10
[ 139.945350][ T6706] ? sb_set_blocksize+0x155/0x240
[ 139.945380][ T6706] ? setup_bdev_super+0x4c1/0x5b0
[ 139.945409][ T6706] get_tree_bdev_flags+0x431/0x4f0
[ 139.945437][ T6706] ? __pfx_gfs2_fill_super+0x10/0x10
[ 139.945454][ T6706] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 139.945486][ T6706] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 139.945522][ T6706] gfs2_get_tree+0x51/0x1e0
[ 139.945543][ T6706] vfs_get_tree+0x92/0x2a0
[ 139.945572][ T6706] do_new_mount+0x341/0xd30
[ 139.945591][ T6706] ? apparmor_capable+0x126/0x170
[ 139.945623][ T6706] ? __pfx_do_new_mount+0x10/0x10
[ 139.945644][ T6706] ? ns_capable+0x89/0xe0
[ 139.945679][ T6706] ? user_path_at+0xd4/0x160
[ 139.945705][ T6706] __se_sys_mount+0x31d/0x420
[ 139.945733][ T6706] ? __pfx___se_sys_mount+0x10/0x10
[ 139.945762][ T6706] ? __x64_sys_mount+0x20/0xc0
[ 139.945783][ T6706] do_syscall_64+0x14d/0xf80
[ 139.945807][ T6706] ? trace_irq_disable+0x3b/0x150
[ 139.945827][ T6706] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 139.945845][ T6706] ? clear_bhb_loop+0x40/0x90
[ 139.945868][ T6706] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 139.945886][ T6706] RIP: 0033:0x7f1704581a2a
[ 139.945905][ T6706] 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
[ 139.945919][ T6706] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 139.945938][ T6706] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 139.945951][ T6706] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 139.945963][ T6706] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 139.945973][ T6706] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 139.945983][ T6706] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 139.946011][ T6706]
[ 139.946035][ T6706] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 139.961754][ T6708] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 140.072775][ T6711] loop1: detected capacity change from 0 to 32768
[ 140.075130][ T6706] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 140.190994][ T6713] loop3: detected capacity change from 0 to 32768
[ 140.326361][ T6711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 140.366860][ T6711] CPU: 0 UID: 0 PID: 6711 Comm: syz.1.35 Not tainted syzkaller #0 PREEMPT(full)
[ 140.366886][ T6711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 140.366896][ T6711] Call Trace:
[ 140.366904][ T6711]
[ 140.366912][ T6711] dump_stack_lvl+0xe8/0x150
[ 140.366945][ T6711] sysfs_create_dir_ns+0x271/0x2a0
[ 140.366971][ T6711] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 140.366996][ T6711] ? do_raw_spin_unlock+0xf5/0x210
[ 140.367021][ T6711] kobject_add_internal+0x62b/0xd00
[ 140.367050][ T6711] kobject_init_and_add+0x12b/0x1a0
[ 140.367074][ T6711] ? __pfx_kobject_init_and_add+0x10/0x10
[ 140.367095][ T6711] ? __raw_spin_lock_init+0x45/0x100
[ 140.367119][ T6711] ? __init_swait_queue_head+0xa9/0x150
[ 140.367148][ T6711] gfs2_sys_fs_add+0x257/0x480
[ 140.367171][ T6711] ? is_dynamic_key+0x1ac/0x1c0
[ 140.367199][ T6711] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 140.367231][ T6711] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 140.367266][ T6711] gfs2_fill_super+0x13a7/0x21d0
[ 140.367299][ T6711] ? __pfx_gfs2_fill_super+0x10/0x10
[ 140.367322][ T6711] ? sb_set_blocksize+0x155/0x240
[ 140.367353][ T6711] ? setup_bdev_super+0x4c1/0x5b0
[ 140.367383][ T6711] get_tree_bdev_flags+0x431/0x4f0
[ 140.367411][ T6711] ? __pfx_gfs2_fill_super+0x10/0x10
[ 140.367428][ T6711] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 140.367453][ T6711] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 140.367490][ T6711] gfs2_get_tree+0x51/0x1e0
[ 140.367517][ T6711] vfs_get_tree+0x92/0x2a0
[ 140.367546][ T6711] do_new_mount+0x341/0xd30
[ 140.367567][ T6711] ? apparmor_capable+0x126/0x170
[ 140.367599][ T6711] ? __pfx_do_new_mount+0x10/0x10
[ 140.367621][ T6711] ? ns_capable+0x89/0xe0
[ 140.367657][ T6711] ? user_path_at+0xd4/0x160
[ 140.367684][ T6711] __se_sys_mount+0x31d/0x420
[ 140.367712][ T6711] ? __pfx___se_sys_mount+0x10/0x10
[ 140.367738][ T6711] ? __x64_sys_mount+0x20/0xc0
[ 140.367762][ T6711] do_syscall_64+0x14d/0xf80
[ 140.367788][ T6711] ? trace_irq_disable+0x3b/0x150
[ 140.367808][ T6711] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 140.367826][ T6711] ? clear_bhb_loop+0x40/0x90
[ 140.367849][ T6711] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 140.367867][ T6711] RIP: 0033:0x7f1df3181a2a
[ 140.367884][ T6711] 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
[ 140.367899][ T6711] RSP: 002b:00007f1df3f4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 140.367919][ T6711] RAX: ffffffffffffffda RBX: 00007f1df3f4fef0 RCX: 00007f1df3181a2a
[ 140.367932][ T6711] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1df3f4feb0
[ 140.367944][ T6711] RBP: 00000000200124c0 R08: 00007f1df3f4fef0 R09: 0000000000000000
[ 140.367956][ T6711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 140.367967][ T6711] R13: 00007f1df3f4feb0 R14: 00000000000125b0 R15: 0000000020000480
[ 140.367997][ T6711]
[ 140.368031][ T6711] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 140.467595][ T6713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 140.557272][ T6708] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 140.585192][ T6711] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 140.590182][ T6448] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 140.712511][ T6448] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 140.752571][ T6713] CPU: 0 UID: 0 PID: 6713 Comm: syz.3.32 Not tainted syzkaller #0 PREEMPT(full)
[ 140.752599][ T6713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 140.752611][ T6713] Call Trace:
[ 140.752618][ T6713]
[ 140.752625][ T6713] dump_stack_lvl+0xe8/0x150
[ 140.752658][ T6713] sysfs_create_dir_ns+0x271/0x2a0
[ 140.752685][ T6713] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 140.752709][ T6713] ? do_raw_spin_unlock+0xf5/0x210
[ 140.752735][ T6713] kobject_add_internal+0x62b/0xd00
[ 140.752763][ T6713] kobject_init_and_add+0x12b/0x1a0
[ 140.752788][ T6713] ? __pfx_kobject_init_and_add+0x10/0x10
[ 140.752809][ T6713] ? __raw_spin_lock_init+0x45/0x100
[ 140.752834][ T6713] ? __init_swait_queue_head+0xa9/0x150
[ 140.752860][ T6713] gfs2_sys_fs_add+0x257/0x480
[ 140.752883][ T6713] ? is_dynamic_key+0x1ac/0x1c0
[ 140.752910][ T6713] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 140.752941][ T6713] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 140.752976][ T6713] gfs2_fill_super+0x13a7/0x21d0
[ 140.753007][ T6713] ? __pfx_gfs2_fill_super+0x10/0x10
[ 140.753030][ T6713] ? sb_set_blocksize+0x155/0x240
[ 140.753060][ T6713] ? setup_bdev_super+0x4c1/0x5b0
[ 140.753091][ T6713] get_tree_bdev_flags+0x431/0x4f0
[ 140.753120][ T6713] ? __pfx_gfs2_fill_super+0x10/0x10
[ 140.753138][ T6713] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 140.753162][ T6713] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 140.753196][ T6713] gfs2_get_tree+0x51/0x1e0
[ 140.753215][ T6713] vfs_get_tree+0x92/0x2a0
[ 140.753240][ T6713] do_new_mount+0x341/0xd30
[ 140.753259][ T6713] ? apparmor_capable+0x126/0x170
[ 140.753290][ T6713] ? __pfx_do_new_mount+0x10/0x10
[ 140.753310][ T6713] ? ns_capable+0x89/0xe0
[ 140.753345][ T6713] ? user_path_at+0xd4/0x160
[ 140.753367][ T6713] __se_sys_mount+0x31d/0x420
[ 140.753394][ T6713] ? __pfx___se_sys_mount+0x10/0x10
[ 140.753416][ T6713] ? __x64_sys_mount+0x20/0xc0
[ 140.753438][ T6713] do_syscall_64+0x14d/0xf80
[ 140.753463][ T6713] ? trace_irq_disable+0x3b/0x150
[ 140.753490][ T6713] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 140.753506][ T6713] ? clear_bhb_loop+0x40/0x90
[ 140.753527][ T6713] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 140.753543][ T6713] RIP: 0033:0x7f12eab81a2a
[ 140.753559][ T6713] 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
[ 140.753574][ T6713] RSP: 002b:00007f12eb895e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 140.753593][ T6713] RAX: ffffffffffffffda RBX: 00007f12eb895ef0 RCX: 00007f12eab81a2a
[ 140.753604][ T6713] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12eb895eb0
[ 140.753615][ T6713] RBP: 00000000200124c0 R08: 00007f12eb895ef0 R09: 0000000000000000
[ 140.753625][ T6713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 140.753636][ T6713] R13: 00007f12eb895eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 140.753661][ T6713]
[ 140.753684][ T6713] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 140.760779][ T6711] syz.1.35 (6711): drop_caches: 2
[ 141.129448][ T6448] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 416ms
[ 141.137094][ T6713] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 141.142828][ T6713] syz.3.32 (6713): drop_caches: 2
[ 141.149977][ T6713] syz.3.32 (6713): drop_caches: 2
[ 141.225133][ T6448] gfs2: fsid=syz:syz.0: jid=0: Done
[ 141.245599][ T6706] syz.2.33 (6706): drop_caches: 2
[ 141.252351][ T6708] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 141.313559][ T6706] syz.2.33 (6706): drop_caches: 2
[ 141.504124][ T6708] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 142.406240][ T6742] loop4: detected capacity change from 0 to 32768
[ 142.458806][ T6742] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 142.506661][ T6742] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 142.601998][ T6742] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 142.645429][ T5879] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 142.662080][ T5879] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 142.721664][ T6755] loop2: detected capacity change from 0 to 32768
[ 142.741891][ T6752] loop1: detected capacity change from 0 to 32768
[ 142.785884][ T6755] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 142.801097][ T6752] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 142.821046][ T6755] CPU: 0 UID: 0 PID: 6755 Comm: syz.2.39 Not tainted syzkaller #0 PREEMPT(full)
[ 142.821071][ T6755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 142.821082][ T6755] Call Trace:
[ 142.821089][ T6755]
[ 142.821096][ T6755] dump_stack_lvl+0xe8/0x150
[ 142.821128][ T6755] sysfs_create_dir_ns+0x271/0x2a0
[ 142.821153][ T6755] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 142.821175][ T6755] ? do_raw_spin_unlock+0xf5/0x210
[ 142.821201][ T6755] kobject_add_internal+0x62b/0xd00
[ 142.821227][ T6755] kobject_init_and_add+0x12b/0x1a0
[ 142.821250][ T6755] ? __pfx_kobject_init_and_add+0x10/0x10
[ 142.821271][ T6755] ? __raw_spin_lock_init+0x45/0x100
[ 142.821293][ T6755] ? __init_swait_queue_head+0xa9/0x150
[ 142.821317][ T6755] gfs2_sys_fs_add+0x257/0x480
[ 142.821339][ T6755] ? is_dynamic_key+0x1ac/0x1c0
[ 142.821363][ T6755] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 142.821393][ T6755] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 142.821428][ T6755] gfs2_fill_super+0x13a7/0x21d0
[ 142.821459][ T6755] ? __pfx_gfs2_fill_super+0x10/0x10
[ 142.821481][ T6755] ? sb_set_blocksize+0x155/0x240
[ 142.821511][ T6755] ? setup_bdev_super+0x4c1/0x5b0
[ 142.821540][ T6755] get_tree_bdev_flags+0x431/0x4f0
[ 142.821566][ T6755] ? __pfx_gfs2_fill_super+0x10/0x10
[ 142.821583][ T6755] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 142.821607][ T6755] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 142.821643][ T6755] gfs2_get_tree+0x51/0x1e0
[ 142.821663][ T6755] vfs_get_tree+0x92/0x2a0
[ 142.821692][ T6755] do_new_mount+0x341/0xd30
[ 142.821712][ T6755] ? apparmor_capable+0x126/0x170
[ 142.821743][ T6755] ? __pfx_do_new_mount+0x10/0x10
[ 142.821772][ T6755] ? ns_capable+0x89/0xe0
[ 142.821809][ T6755] ? user_path_at+0xd4/0x160
[ 142.821835][ T6755] __se_sys_mount+0x31d/0x420
[ 142.821863][ T6755] ? __pfx___se_sys_mount+0x10/0x10
[ 142.821891][ T6755] ? __x64_sys_mount+0x20/0xc0
[ 142.821914][ T6755] do_syscall_64+0x14d/0xf80
[ 142.821939][ T6755] ? trace_irq_disable+0x3b/0x150
[ 142.821959][ T6755] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 142.821977][ T6755] ? clear_bhb_loop+0x40/0x90
[ 142.822000][ T6755] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 142.822018][ T6755] RIP: 0033:0x7f1704581a2a
[ 142.822034][ T6755] 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
[ 142.822048][ T6755] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 142.822067][ T6755] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 142.822080][ T6755] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 142.822091][ T6755] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 142.822101][ T6755] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 142.822111][ T6755] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 142.822141][ T6755]
[ 142.822165][ T6755] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 142.888500][ T6752] CPU: 1 UID: 0 PID: 6752 Comm: syz.1.37 Not tainted syzkaller #0 PREEMPT(full)
[ 142.888524][ T6752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 142.888535][ T6752] Call Trace:
[ 142.888542][ T6752]
[ 142.888549][ T6752] dump_stack_lvl+0xe8/0x150
[ 142.888583][ T6752] sysfs_create_dir_ns+0x271/0x2a0
[ 142.888608][ T6752] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 142.888632][ T6752] ? do_raw_spin_unlock+0xf5/0x210
[ 142.888658][ T6752] kobject_add_internal+0x62b/0xd00
[ 142.888685][ T6752] kobject_init_and_add+0x12b/0x1a0
[ 142.888709][ T6752] ? __pfx_kobject_init_and_add+0x10/0x10
[ 142.888729][ T6752] ? __raw_spin_lock_init+0x45/0x100
[ 142.888752][ T6752] ? __init_swait_queue_head+0xa9/0x150
[ 142.888780][ T6752] gfs2_sys_fs_add+0x257/0x480
[ 142.888802][ T6752] ? is_dynamic_key+0x1ac/0x1c0
[ 142.888827][ T6752] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 142.888857][ T6752] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 142.888891][ T6752] gfs2_fill_super+0x13a7/0x21d0
[ 142.888924][ T6752] ? __pfx_gfs2_fill_super+0x10/0x10
[ 142.888944][ T6752] ? sb_set_blocksize+0x155/0x240
[ 142.888973][ T6752] ? setup_bdev_super+0x4c1/0x5b0
[ 142.889003][ T6752] get_tree_bdev_flags+0x431/0x4f0
[ 142.889029][ T6752] ? __pfx_gfs2_fill_super+0x10/0x10
[ 142.889045][ T6752] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 142.889070][ T6752] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 142.889106][ T6752] gfs2_get_tree+0x51/0x1e0
[ 142.889125][ T6752] vfs_get_tree+0x92/0x2a0
[ 142.889153][ T6752] do_new_mount+0x341/0xd30
[ 142.889173][ T6752] ? apparmor_capable+0x126/0x170
[ 142.889204][ T6752] ? __pfx_do_new_mount+0x10/0x10
[ 142.889232][ T6752] ? ns_capable+0x89/0xe0
[ 142.889267][ T6752] ? user_path_at+0xd4/0x160
[ 142.889293][ T6752] __se_sys_mount+0x31d/0x420
[ 142.889320][ T6752] ? __pfx___se_sys_mount+0x10/0x10
[ 142.889347][ T6752] ? __x64_sys_mount+0x20/0xc0
[ 142.889371][ T6752] do_syscall_64+0x14d/0xf80
[ 142.889392][ T6752] ? trace_irq_disable+0x3b/0x150
[ 142.889409][ T6752] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 142.889427][ T6752] ? clear_bhb_loop+0x40/0x90
[ 142.889448][ T6752] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 142.889465][ T6752] RIP: 0033:0x7f1df3181a2a
[ 142.889482][ T6752] 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
[ 142.889497][ T6752] RSP: 002b:00007f1df3f4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 142.889516][ T6752] RAX: ffffffffffffffda RBX: 00007f1df3f4fef0 RCX: 00007f1df3181a2a
[ 142.889528][ T6752] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1df3f4feb0
[ 142.889540][ T6752] RBP: 00000000200124c0 R08: 00007f1df3f4fef0 R09: 0000000000000000
[ 142.889551][ T6752] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 142.889561][ T6752] R13: 00007f1df3f4feb0 R14: 00000000000125b0 R15: 0000000020000480
[ 142.889589][ T6752]
[ 142.889642][ T6752] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 142.893136][ T6755] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 143.030351][ T6752] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 143.082675][ T6753] loop3: detected capacity change from 0 to 32768
[ 143.140741][ T5879] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 478ms
[ 143.477972][ T6753] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 143.505511][ T6755] syz.2.39 (6755): drop_caches: 2
[ 143.517516][ T6753] CPU: 0 UID: 0 PID: 6753 Comm: syz.3.38 Not tainted syzkaller #0 PREEMPT(full)
[ 143.517540][ T6753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 143.517551][ T6753] Call Trace:
[ 143.517558][ T6753]
[ 143.517566][ T6753] dump_stack_lvl+0xe8/0x150
[ 143.517599][ T6753] sysfs_create_dir_ns+0x271/0x2a0
[ 143.517626][ T6753] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 143.517651][ T6753] ? do_raw_spin_unlock+0xf5/0x210
[ 143.517677][ T6753] kobject_add_internal+0x62b/0xd00
[ 143.517706][ T6753] kobject_init_and_add+0x12b/0x1a0
[ 143.517731][ T6753] ? __pfx_kobject_init_and_add+0x10/0x10
[ 143.517751][ T6753] ? __raw_spin_lock_init+0x45/0x100
[ 143.517775][ T6753] ? __init_swait_queue_head+0xa9/0x150
[ 143.517801][ T6753] gfs2_sys_fs_add+0x257/0x480
[ 143.517824][ T6753] ? is_dynamic_key+0x1ac/0x1c0
[ 143.517850][ T6753] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 143.517881][ T6753] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 143.517916][ T6753] gfs2_fill_super+0x13a7/0x21d0
[ 143.517949][ T6753] ? __pfx_gfs2_fill_super+0x10/0x10
[ 143.517971][ T6753] ? sb_set_blocksize+0x155/0x240
[ 143.518002][ T6753] ? setup_bdev_super+0x4c1/0x5b0
[ 143.518032][ T6753] get_tree_bdev_flags+0x431/0x4f0
[ 143.518059][ T6753] ? __pfx_gfs2_fill_super+0x10/0x10
[ 143.518077][ T6753] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 143.518101][ T6753] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 143.518137][ T6753] gfs2_get_tree+0x51/0x1e0
[ 143.518158][ T6753] vfs_get_tree+0x92/0x2a0
[ 143.518195][ T6753] do_new_mount+0x341/0xd30
[ 143.518215][ T6753] ? apparmor_capable+0x126/0x170
[ 143.518244][ T6753] ? __pfx_do_new_mount+0x10/0x10
[ 143.518262][ T6753] ? ns_capable+0x89/0xe0
[ 143.518296][ T6753] ? user_path_at+0xd4/0x160
[ 143.518323][ T6753] __se_sys_mount+0x31d/0x420
[ 143.518351][ T6753] ? __pfx___se_sys_mount+0x10/0x10
[ 143.518379][ T6753] ? __x64_sys_mount+0x20/0xc0
[ 143.518404][ T6753] do_syscall_64+0x14d/0xf80
[ 143.518429][ T6753] ? trace_irq_disable+0x3b/0x150
[ 143.518450][ T6753] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 143.518469][ T6753] ? clear_bhb_loop+0x40/0x90
[ 143.518496][ T6753] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 143.518514][ T6753] RIP: 0033:0x7f12eab81a2a
[ 143.518531][ T6753] 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
[ 143.518546][ T6753] RSP: 002b:00007f12eb895e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 143.518565][ T6753] RAX: ffffffffffffffda RBX: 00007f12eb895ef0 RCX: 00007f12eab81a2a
[ 143.518578][ T6753] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12eb895eb0
[ 143.518590][ T6753] RBP: 00000000200124c0 R08: 00007f12eb895ef0 R09: 0000000000000000
[ 143.518601][ T6753] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 143.518612][ T6753] R13: 00007f12eb895eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 143.518640][ T6753]
[ 143.518664][ T6753] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 143.631157][ T6755] syz.2.39 (6755): drop_caches: 2
[ 143.829511][ T6753] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 143.835957][ T5879] gfs2: fsid=syz:syz.0: jid=0: Done
[ 143.850217][ T6742] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 143.869857][ T6742] gfs2: fsid=syz:syz.0: can't create logd thread: -4
2026/03/09 23:36:22 executed programs: 36
[ 144.334483][ T6766] loop0: detected capacity change from 0 to 32768
[ 144.383329][ T6766] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 144.440967][ T6766] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 144.552163][ T6766] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 144.593603][ T6448] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 144.614656][ T6448] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 144.887385][ T6448] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 272ms
[ 144.916170][ T6448] gfs2: fsid=syz:syz.0: jid=0: Done
[ 144.934791][ T6766] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 145.168469][ T6766] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 145.514309][ T6796] loop1: detected capacity change from 0 to 32768
[ 145.538315][ T6786] loop2: detected capacity change from 0 to 32768
[ 145.582498][ T6796] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 145.600787][ T6796] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 145.613203][ T6786] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 145.685290][ T6786] CPU: 1 UID: 0 PID: 6786 Comm: syz.2.41 Not tainted syzkaller #0 PREEMPT(full)
[ 145.685315][ T6786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 145.685325][ T6786] Call Trace:
[ 145.685333][ T6786]
[ 145.685341][ T6786] dump_stack_lvl+0xe8/0x150
[ 145.685373][ T6786] sysfs_create_dir_ns+0x271/0x2a0
[ 145.685400][ T6786] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 145.685424][ T6786] ? do_raw_spin_unlock+0xf5/0x210
[ 145.685458][ T6786] kobject_add_internal+0x62b/0xd00
[ 145.685488][ T6786] kobject_init_and_add+0x12b/0x1a0
[ 145.685513][ T6786] ? __pfx_kobject_init_and_add+0x10/0x10
[ 145.685534][ T6786] ? __raw_spin_lock_init+0x45/0x100
[ 145.685558][ T6786] ? __init_swait_queue_head+0xa9/0x150
[ 145.685583][ T6786] gfs2_sys_fs_add+0x257/0x480
[ 145.685607][ T6786] ? is_dynamic_key+0x1ac/0x1c0
[ 145.685634][ T6786] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 145.685665][ T6786] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 145.685700][ T6786] gfs2_fill_super+0x13a7/0x21d0
[ 145.685733][ T6786] ? __pfx_gfs2_fill_super+0x10/0x10
[ 145.685755][ T6786] ? sb_set_blocksize+0x155/0x240
[ 145.685785][ T6786] ? setup_bdev_super+0x4c1/0x5b0
[ 145.685815][ T6786] get_tree_bdev_flags+0x431/0x4f0
[ 145.685842][ T6786] ? __pfx_gfs2_fill_super+0x10/0x10
[ 145.685859][ T6786] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 145.685884][ T6786] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 145.685920][ T6786] gfs2_get_tree+0x51/0x1e0
[ 145.685940][ T6786] vfs_get_tree+0x92/0x2a0
[ 145.685969][ T6786] do_new_mount+0x341/0xd30
[ 145.685988][ T6786] ? apparmor_capable+0x126/0x170
[ 145.686021][ T6786] ? __pfx_do_new_mount+0x10/0x10
[ 145.686044][ T6786] ? ns_capable+0x89/0xe0
[ 145.686080][ T6786] ? user_path_at+0xd4/0x160
[ 145.686106][ T6786] __se_sys_mount+0x31d/0x420
[ 145.686137][ T6786] ? __pfx___se_sys_mount+0x10/0x10
[ 145.686165][ T6786] ? __x64_sys_mount+0x20/0xc0
[ 145.686189][ T6786] do_syscall_64+0x14d/0xf80
[ 145.686214][ T6786] ? trace_irq_disable+0x3b/0x150
[ 145.686235][ T6786] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 145.686253][ T6786] ? clear_bhb_loop+0x40/0x90
[ 145.686276][ T6786] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 145.686293][ T6786] RIP: 0033:0x7f1704581a2a
[ 145.686311][ T6786] 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
[ 145.686325][ T6786] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 145.686345][ T6786] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 145.686358][ T6786] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 145.686369][ T6786] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 145.686381][ T6786] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 145.686392][ T6786] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 145.686420][ T6786]
[ 145.702256][ T6797] loop3: detected capacity change from 0 to 32768
[ 145.730645][ T6786] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 145.805016][ T6797] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 145.836945][ T6786] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 145.908133][ T6796] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 145.936684][ T6797] CPU: 1 UID: 0 PID: 6797 Comm: syz.3.44 Not tainted syzkaller #0 PREEMPT(full)
[ 145.936711][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 145.936721][ T6797] Call Trace:
[ 145.936729][ T6797]
[ 145.936736][ T6797] dump_stack_lvl+0xe8/0x150
[ 145.936766][ T6797] sysfs_create_dir_ns+0x271/0x2a0
[ 145.936791][ T6797] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 145.936815][ T6797] ? do_raw_spin_unlock+0xf5/0x210
[ 145.936841][ T6797] kobject_add_internal+0x62b/0xd00
[ 145.936867][ T6797] kobject_init_and_add+0x12b/0x1a0
[ 145.936891][ T6797] ? __pfx_kobject_init_and_add+0x10/0x10
[ 145.936911][ T6797] ? __raw_spin_lock_init+0x45/0x100
[ 145.936942][ T6797] ? __init_swait_queue_head+0xa9/0x150
[ 145.936968][ T6797] gfs2_sys_fs_add+0x257/0x480
[ 145.936990][ T6797] ? is_dynamic_key+0x1ac/0x1c0
[ 145.937016][ T6797] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 145.937046][ T6797] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 145.937078][ T6797] gfs2_fill_super+0x13a7/0x21d0
[ 145.937111][ T6797] ? __pfx_gfs2_fill_super+0x10/0x10
[ 145.937132][ T6797] ? sb_set_blocksize+0x155/0x240
[ 145.937161][ T6797] ? setup_bdev_super+0x4c1/0x5b0
[ 145.937190][ T6797] get_tree_bdev_flags+0x431/0x4f0
[ 145.937217][ T6797] ? __pfx_gfs2_fill_super+0x10/0x10
[ 145.937234][ T6797] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 145.937258][ T6797] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 145.937294][ T6797] gfs2_get_tree+0x51/0x1e0
[ 145.937314][ T6797] vfs_get_tree+0x92/0x2a0
[ 145.937342][ T6797] do_new_mount+0x341/0xd30
[ 145.937361][ T6797] ? apparmor_capable+0x126/0x170
[ 145.937392][ T6797] ? __pfx_do_new_mount+0x10/0x10
[ 145.937413][ T6797] ? ns_capable+0x89/0xe0
[ 145.937447][ T6797] ? user_path_at+0xd4/0x160
[ 145.937473][ T6797] __se_sys_mount+0x31d/0x420
[ 145.937499][ T6797] ? __pfx___se_sys_mount+0x10/0x10
[ 145.937527][ T6797] ? __x64_sys_mount+0x20/0xc0
[ 145.937551][ T6797] do_syscall_64+0x14d/0xf80
[ 145.937575][ T6797] ? trace_irq_disable+0x3b/0x150
[ 145.937594][ T6797] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 145.937612][ T6797] ? clear_bhb_loop+0x40/0x90
[ 145.937634][ T6797] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 145.937652][ T6797] RIP: 0033:0x7f12eab81a2a
[ 145.937669][ T6797] 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
[ 145.937682][ T6797] RSP: 002b:00007f12eb895e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 145.937701][ T6797] RAX: ffffffffffffffda RBX: 00007f12eb895ef0 RCX: 00007f12eab81a2a
[ 145.937714][ T6797] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12eb895eb0
[ 145.937726][ T6797] RBP: 00000000200124c0 R08: 00007f12eb895ef0 R09: 0000000000000000
[ 145.937737][ T6797] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 145.937748][ T6797] R13: 00007f12eb895eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 145.937775][ T6797]
[ 145.937798][ T6797] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 146.301927][ T6786] syz.2.41 (6786): drop_caches: 2
[ 146.306976][ T6797] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 146.357445][ T6797] syz.3.44 (6797): drop_caches: 2
[ 146.364650][ T6587] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 146.369529][ T6797] syz.3.44 (6797): drop_caches: 2
[ 146.379723][ T6587] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 146.385674][ T6786] syz.2.41 (6786): drop_caches: 2
[ 146.600812][ T6799] loop4: detected capacity change from 0 to 32768
[ 146.651972][ T6799] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 146.670911][ T6799] CPU: 0 UID: 0 PID: 6799 Comm: syz.4.42 Not tainted syzkaller #0 PREEMPT(full)
[ 146.670937][ T6799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 146.670948][ T6799] Call Trace:
[ 146.670955][ T6799]
[ 146.670963][ T6799] dump_stack_lvl+0xe8/0x150
[ 146.670996][ T6799] sysfs_create_dir_ns+0x271/0x2a0
[ 146.671023][ T6799] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 146.671047][ T6799] ? do_raw_spin_unlock+0xf5/0x210
[ 146.671074][ T6799] kobject_add_internal+0x62b/0xd00
[ 146.671103][ T6799] kobject_init_and_add+0x12b/0x1a0
[ 146.671127][ T6799] ? __pfx_kobject_init_and_add+0x10/0x10
[ 146.671148][ T6799] ? __raw_spin_lock_init+0x45/0x100
[ 146.671172][ T6799] ? __init_swait_queue_head+0xa9/0x150
[ 146.671198][ T6799] gfs2_sys_fs_add+0x257/0x480
[ 146.671221][ T6799] ? is_dynamic_key+0x1ac/0x1c0
[ 146.671247][ T6799] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 146.671278][ T6799] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 146.671312][ T6799] gfs2_fill_super+0x13a7/0x21d0
[ 146.671341][ T6799] ? __pfx_gfs2_fill_super+0x10/0x10
[ 146.671363][ T6799] ? sb_set_blocksize+0x155/0x240
[ 146.671394][ T6799] ? setup_bdev_super+0x4c1/0x5b0
[ 146.671424][ T6799] get_tree_bdev_flags+0x431/0x4f0
[ 146.671452][ T6799] ? __pfx_gfs2_fill_super+0x10/0x10
[ 146.671470][ T6799] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 146.671495][ T6799] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 146.671529][ T6799] gfs2_get_tree+0x51/0x1e0
[ 146.671550][ T6799] vfs_get_tree+0x92/0x2a0
[ 146.671579][ T6799] do_new_mount+0x341/0xd30
[ 146.671599][ T6799] ? apparmor_capable+0x126/0x170
[ 146.671632][ T6799] ? __pfx_do_new_mount+0x10/0x10
[ 146.671659][ T6799] ? ns_capable+0x89/0xe0
[ 146.671698][ T6799] ? user_path_at+0xd4/0x160
[ 146.671725][ T6799] __se_sys_mount+0x31d/0x420
[ 146.671753][ T6799] ? __pfx___se_sys_mount+0x10/0x10
[ 146.671782][ T6799] ? __x64_sys_mount+0x20/0xc0
[ 146.671806][ T6799] do_syscall_64+0x14d/0xf80
[ 146.671832][ T6799] ? trace_irq_disable+0x3b/0x150
[ 146.671852][ T6799] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 146.671870][ T6799] ? clear_bhb_loop+0x40/0x90
[ 146.671893][ T6799] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 146.671911][ T6799] RIP: 0033:0x7fe6de581a2a
[ 146.671928][ T6799] 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
[ 146.671943][ T6799] RSP: 002b:00007fe6df293e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 146.671963][ T6799] RAX: ffffffffffffffda RBX: 00007fe6df293ef0 RCX: 00007fe6de581a2a
[ 146.671976][ T6799] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007fe6df293eb0
[ 146.671988][ T6799] RBP: 00000000200124c0 R08: 00007fe6df293ef0 R09: 0000000000000000
[ 146.671999][ T6799] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 146.672011][ T6799] R13: 00007fe6df293eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 146.672040][ T6799]
[ 146.672070][ T6799] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 146.991643][ T6799] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 147.009888][ T6587] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 630ms
[ 147.020019][ T6587] gfs2: fsid=syz:syz.0: jid=0: Done
[ 147.026458][ T6796] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 147.130115][ T6799] syz.4.42 (6799): drop_caches: 2
[ 147.160864][ T6799] syz.4.42 (6799): drop_caches: 2
[ 147.310927][ T6796] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 147.365989][ T6796] syz.1.43 (6796): drop_caches: 2
[ 147.395754][ T6796] syz.1.43 (6796): drop_caches: 2
[ 147.927122][ T6820] loop0: detected capacity change from 0 to 32768
[ 147.993944][ T6820] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 148.040445][ T6820] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 148.052078][ T6823] loop3: detected capacity change from 0 to 32768
[ 148.068519][ T6823] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 148.083280][ T6827] loop2: detected capacity change from 0 to 32768
[ 148.087270][ T6823] CPU: 1 UID: 0 PID: 6823 Comm: syz.3.46 Not tainted syzkaller #0 PREEMPT(full)
[ 148.087293][ T6823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 148.087304][ T6823] Call Trace:
[ 148.087311][ T6823]
[ 148.087319][ T6823] dump_stack_lvl+0xe8/0x150
[ 148.087352][ T6823] sysfs_create_dir_ns+0x271/0x2a0
[ 148.087378][ T6823] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 148.087401][ T6823] ? do_raw_spin_unlock+0xf5/0x210
[ 148.087428][ T6823] kobject_add_internal+0x62b/0xd00
[ 148.087455][ T6823] kobject_init_and_add+0x12b/0x1a0
[ 148.087479][ T6823] ? __pfx_kobject_init_and_add+0x10/0x10
[ 148.087499][ T6823] ? __raw_spin_lock_init+0x45/0x100
[ 148.087522][ T6823] ? __init_swait_queue_head+0xa9/0x150
[ 148.087547][ T6823] gfs2_sys_fs_add+0x257/0x480
[ 148.087569][ T6823] ? is_dynamic_key+0x1ac/0x1c0
[ 148.087595][ T6823] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 148.087626][ T6823] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 148.087659][ T6823] gfs2_fill_super+0x13a7/0x21d0
[ 148.087700][ T6823] ? __pfx_gfs2_fill_super+0x10/0x10
[ 148.087722][ T6823] ? sb_set_blocksize+0x155/0x240
[ 148.087752][ T6823] ? setup_bdev_super+0x4c1/0x5b0
[ 148.087781][ T6823] get_tree_bdev_flags+0x431/0x4f0
[ 148.087807][ T6823] ? __pfx_gfs2_fill_super+0x10/0x10
[ 148.087824][ T6823] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 148.087848][ T6823] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 148.087884][ T6823] gfs2_get_tree+0x51/0x1e0
[ 148.087904][ T6823] vfs_get_tree+0x92/0x2a0
[ 148.087932][ T6823] do_new_mount+0x341/0xd30
[ 148.087952][ T6823] ? apparmor_capable+0x126/0x170
[ 148.087982][ T6823] ? __pfx_do_new_mount+0x10/0x10
[ 148.088003][ T6823] ? ns_capable+0x89/0xe0
[ 148.088039][ T6823] ? user_path_at+0xd4/0x160
[ 148.088064][ T6823] __se_sys_mount+0x31d/0x420
[ 148.088092][ T6823] ? __pfx___se_sys_mount+0x10/0x10
[ 148.088123][ T6823] ? __x64_sys_mount+0x20/0xc0
[ 148.088145][ T6823] do_syscall_64+0x14d/0xf80
[ 148.088170][ T6823] ? trace_irq_disable+0x3b/0x150
[ 148.088190][ T6823] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 148.088208][ T6823] ? clear_bhb_loop+0x40/0x90
[ 148.088230][ T6823] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 148.088248][ T6823] RIP: 0033:0x7f12eab81a2a
[ 148.088264][ T6823] 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
[ 148.088279][ T6823] RSP: 002b:00007f12eb895e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 148.088298][ T6823] RAX: ffffffffffffffda RBX: 00007f12eb895ef0 RCX: 00007f12eab81a2a
[ 148.088310][ T6823] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12eb895eb0
[ 148.088322][ T6823] RBP: 00000000200124c0 R08: 00007f12eb895ef0 R09: 0000000000000000
[ 148.088333][ T6823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 148.088344][ T6823] R13: 00007f12eb895eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 148.088371][ T6823]
[ 148.088405][ T6823] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 148.136337][ T6820] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 148.136720][ T6823] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 148.198732][ T6827] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 148.218712][ T6823] syz.3.46 (6823): drop_caches: 2
[ 148.248924][ T6448] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 148.273742][ T6827] CPU: 1 UID: 0 PID: 6827 Comm: syz.2.47 Not tainted syzkaller #0 PREEMPT(full)
[ 148.273767][ T6827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 148.273779][ T6827] Call Trace:
[ 148.273786][ T6827]
[ 148.273794][ T6827] dump_stack_lvl+0xe8/0x150
[ 148.273826][ T6827] sysfs_create_dir_ns+0x271/0x2a0
[ 148.273853][ T6827] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 148.273877][ T6827] ? do_raw_spin_unlock+0xf5/0x210
[ 148.273903][ T6827] kobject_add_internal+0x62b/0xd00
[ 148.273931][ T6827] kobject_init_and_add+0x12b/0x1a0
[ 148.273955][ T6827] ? __pfx_kobject_init_and_add+0x10/0x10
[ 148.273975][ T6827] ? __raw_spin_lock_init+0x45/0x100
[ 148.273999][ T6827] ? __init_swait_queue_head+0xa9/0x150
[ 148.274024][ T6827] gfs2_sys_fs_add+0x257/0x480
[ 148.274047][ T6827] ? is_dynamic_key+0x1ac/0x1c0
[ 148.274072][ T6827] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 148.274103][ T6827] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 148.274136][ T6827] gfs2_fill_super+0x13a7/0x21d0
[ 148.274168][ T6827] ? __pfx_gfs2_fill_super+0x10/0x10
[ 148.274189][ T6827] ? sb_set_blocksize+0x155/0x240
[ 148.274219][ T6827] ? setup_bdev_super+0x4c1/0x5b0
[ 148.274249][ T6827] get_tree_bdev_flags+0x431/0x4f0
[ 148.274276][ T6827] ? __pfx_gfs2_fill_super+0x10/0x10
[ 148.274293][ T6827] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 148.274317][ T6827] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 148.274352][ T6827] gfs2_get_tree+0x51/0x1e0
[ 148.274372][ T6827] vfs_get_tree+0x92/0x2a0
[ 148.274400][ T6827] do_new_mount+0x341/0xd30
[ 148.274421][ T6827] ? apparmor_capable+0x126/0x170
[ 148.274452][ T6827] ? __pfx_do_new_mount+0x10/0x10
[ 148.274473][ T6827] ? ns_capable+0x89/0xe0
[ 148.274509][ T6827] ? user_path_at+0xd4/0x160
[ 148.274535][ T6827] __se_sys_mount+0x31d/0x420
[ 148.274562][ T6827] ? __pfx___se_sys_mount+0x10/0x10
[ 148.274590][ T6827] ? __x64_sys_mount+0x20/0xc0
[ 148.274614][ T6827] do_syscall_64+0x14d/0xf80
[ 148.274638][ T6827] ? trace_irq_disable+0x3b/0x150
[ 148.274665][ T6827] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 148.274684][ T6827] ? clear_bhb_loop+0x40/0x90
[ 148.274706][ T6827] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 148.274723][ T6827] RIP: 0033:0x7f1704581a2a
[ 148.274741][ T6827] 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
[ 148.274757][ T6827] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 148.274776][ T6827] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 148.274789][ T6827] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 148.274801][ T6827] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 148.274813][ T6827] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 148.274824][ T6827] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 148.274852][ T6827]
[ 148.274876][ T6827] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 148.282327][ T6448] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 148.364410][ T6827] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 148.401732][ T6823] syz.3.46 (6823): drop_caches: 2
[ 148.788040][ T6827] syz.2.47 (6827): drop_caches: 2
[ 148.836430][ T6448] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 554ms
[ 148.844186][ T6448] gfs2: fsid=syz:syz.0: jid=0: Done
[ 148.849547][ T6820] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 148.883569][ T6827] syz.2.47 (6827): drop_caches: 2
2026/03/09 23:36:27 executed programs: 46
[ 149.109322][ T6820] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 149.313960][ T6837] loop4: detected capacity change from 0 to 32768
[ 149.370123][ T6837] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 149.433396][ T6837] CPU: 1 UID: 0 PID: 6837 Comm: syz.4.48 Not tainted syzkaller #0 PREEMPT(full)
[ 149.433428][ T6837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 149.433440][ T6837] Call Trace:
[ 149.433448][ T6837]
[ 149.433456][ T6837] dump_stack_lvl+0xe8/0x150
[ 149.433489][ T6837] sysfs_create_dir_ns+0x271/0x2a0
[ 149.433516][ T6837] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 149.433541][ T6837] ? do_raw_spin_unlock+0xf5/0x210
[ 149.433567][ T6837] kobject_add_internal+0x62b/0xd00
[ 149.433615][ T6837] kobject_init_and_add+0x12b/0x1a0
[ 149.433640][ T6837] ? __pfx_kobject_init_and_add+0x10/0x10
[ 149.433662][ T6837] ? __raw_spin_lock_init+0x45/0x100
[ 149.433686][ T6837] ? __init_swait_queue_head+0xa9/0x150
[ 149.433713][ T6837] gfs2_sys_fs_add+0x257/0x480
[ 149.433736][ T6837] ? is_dynamic_key+0x1ac/0x1c0
[ 149.433763][ T6837] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 149.433795][ T6837] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 149.433831][ T6837] gfs2_fill_super+0x13a7/0x21d0
[ 149.433864][ T6837] ? __pfx_gfs2_fill_super+0x10/0x10
[ 149.433887][ T6837] ? sb_set_blocksize+0x155/0x240
[ 149.433917][ T6837] ? setup_bdev_super+0x4c1/0x5b0
[ 149.433947][ T6837] get_tree_bdev_flags+0x431/0x4f0
[ 149.433976][ T6837] ? __pfx_gfs2_fill_super+0x10/0x10
[ 149.433994][ T6837] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 149.434020][ T6837] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 149.434064][ T6837] gfs2_get_tree+0x51/0x1e0
[ 149.434086][ T6837] vfs_get_tree+0x92/0x2a0
[ 149.434116][ T6837] do_new_mount+0x341/0xd30
[ 149.434136][ T6837] ? apparmor_capable+0x126/0x170
[ 149.434169][ T6837] ? __pfx_do_new_mount+0x10/0x10
[ 149.434192][ T6837] ? ns_capable+0x89/0xe0
[ 149.434229][ T6837] ? user_path_at+0xd4/0x160
[ 149.434257][ T6837] __se_sys_mount+0x31d/0x420
[ 149.434286][ T6837] ? __pfx___se_sys_mount+0x10/0x10
[ 149.434315][ T6837] ? __x64_sys_mount+0x20/0xc0
[ 149.434340][ T6837] do_syscall_64+0x14d/0xf80
[ 149.434366][ T6837] ? trace_irq_disable+0x3b/0x150
[ 149.434387][ T6837] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 149.434406][ T6837] ? clear_bhb_loop+0x40/0x90
[ 149.434432][ T6837] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 149.434451][ T6837] RIP: 0033:0x7fe6de581a2a
[ 149.434469][ T6837] 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
[ 149.434484][ T6837] RSP: 002b:00007fe6df293e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 149.434505][ T6837] RAX: ffffffffffffffda RBX: 00007fe6df293ef0 RCX: 00007fe6de581a2a
[ 149.434519][ T6837] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007fe6df293eb0
[ 149.434531][ T6837] RBP: 00000000200124c0 R08: 00007fe6df293ef0 R09: 0000000000000000
[ 149.434544][ T6837] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 149.434556][ T6837] R13: 00007fe6df293eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 149.434586][ T6837]
[ 149.733629][ T6837] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 149.748021][ T6837] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 149.903624][ T6837] syz.4.48 (6837): drop_caches: 2
[ 149.955032][ T6837] syz.4.48 (6837): drop_caches: 2
[ 149.963643][ T6851] loop1: detected capacity change from 0 to 32768
[ 150.095205][ T6851] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 150.120050][ T6851] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 150.184241][ T6851] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 150.239855][ T6448] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 150.265702][ T6448] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 150.506869][ T6448] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 241ms
[ 150.533427][ T6448] gfs2: fsid=syz:syz.0: jid=0: Done
[ 150.555408][ T6851] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 150.579472][ T6862] loop2: detected capacity change from 0 to 32768
[ 150.608237][ T6862] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 150.638047][ T6862] CPU: 1 UID: 0 PID: 6862 Comm: syz.2.51 Not tainted syzkaller #0 PREEMPT(full)
[ 150.638075][ T6862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 150.638086][ T6862] Call Trace:
[ 150.638093][ T6862]
[ 150.638102][ T6862] dump_stack_lvl+0xe8/0x150
[ 150.638134][ T6862] sysfs_create_dir_ns+0x271/0x2a0
[ 150.638159][ T6862] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 150.638182][ T6862] ? do_raw_spin_unlock+0xf5/0x210
[ 150.638210][ T6862] kobject_add_internal+0x62b/0xd00
[ 150.638239][ T6862] kobject_init_and_add+0x12b/0x1a0
[ 150.638264][ T6862] ? __pfx_kobject_init_and_add+0x10/0x10
[ 150.638284][ T6862] ? __raw_spin_lock_init+0x45/0x100
[ 150.638307][ T6862] ? __init_swait_queue_head+0xa9/0x150
[ 150.638333][ T6862] gfs2_sys_fs_add+0x257/0x480
[ 150.638355][ T6862] ? is_dynamic_key+0x1ac/0x1c0
[ 150.638381][ T6862] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 150.638410][ T6862] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 150.638443][ T6862] gfs2_fill_super+0x13a7/0x21d0
[ 150.638470][ T6862] ? __pfx_gfs2_fill_super+0x10/0x10
[ 150.638493][ T6862] ? sb_set_blocksize+0x155/0x240
[ 150.638516][ T6862] ? setup_bdev_super+0x4c1/0x5b0
[ 150.638538][ T6862] get_tree_bdev_flags+0x431/0x4f0
[ 150.638558][ T6862] ? __pfx_gfs2_fill_super+0x10/0x10
[ 150.638571][ T6862] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 150.638589][ T6862] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 150.638617][ T6862] gfs2_get_tree+0x51/0x1e0
[ 150.638632][ T6862] vfs_get_tree+0x92/0x2a0
[ 150.638653][ T6862] do_new_mount+0x341/0xd30
[ 150.638668][ T6862] ? apparmor_capable+0x126/0x170
[ 150.638691][ T6862] ? __pfx_do_new_mount+0x10/0x10
[ 150.638707][ T6862] ? ns_capable+0x89/0xe0
[ 150.638736][ T6862] ? user_path_at+0xd4/0x160
[ 150.638757][ T6862] __se_sys_mount+0x31d/0x420
[ 150.638779][ T6862] ? __pfx___se_sys_mount+0x10/0x10
[ 150.638807][ T6862] ? __x64_sys_mount+0x20/0xc0
[ 150.638825][ T6862] do_syscall_64+0x14d/0xf80
[ 150.638845][ T6862] ? trace_irq_disable+0x3b/0x150
[ 150.638862][ T6862] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 150.638876][ T6862] ? clear_bhb_loop+0x40/0x90
[ 150.638893][ T6862] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 150.638908][ T6862] RIP: 0033:0x7f1704581a2a
[ 150.638924][ T6862] 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
[ 150.638938][ T6862] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 150.638956][ T6862] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 150.638968][ T6862] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 150.638979][ T6862] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 150.638989][ T6862] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 150.638999][ T6862] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 150.639024][ T6862]
[ 150.639050][ T6862] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 150.951694][ T6860] loop3: detected capacity change from 0 to 32768
[ 150.952484][ T6862] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 150.979509][ T6860] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 151.038997][ T6860] CPU: 1 UID: 0 PID: 6860 Comm: syz.3.50 Not tainted syzkaller #0 PREEMPT(full)
[ 151.039024][ T6860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 151.039035][ T6860] Call Trace:
[ 151.039042][ T6860]
[ 151.039050][ T6860] dump_stack_lvl+0xe8/0x150
[ 151.039082][ T6860] sysfs_create_dir_ns+0x271/0x2a0
[ 151.039107][ T6860] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 151.039132][ T6860] ? do_raw_spin_unlock+0xf5/0x210
[ 151.039160][ T6860] kobject_add_internal+0x62b/0xd00
[ 151.039187][ T6860] kobject_init_and_add+0x12b/0x1a0
[ 151.039212][ T6860] ? __pfx_kobject_init_and_add+0x10/0x10
[ 151.039234][ T6860] ? __raw_spin_lock_init+0x45/0x100
[ 151.039257][ T6860] ? __init_swait_queue_head+0xa9/0x150
[ 151.039283][ T6860] gfs2_sys_fs_add+0x257/0x480
[ 151.039306][ T6860] ? is_dynamic_key+0x1ac/0x1c0
[ 151.039332][ T6860] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 151.039364][ T6860] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 151.039400][ T6860] gfs2_fill_super+0x13a7/0x21d0
[ 151.039436][ T6860] ? __pfx_gfs2_fill_super+0x10/0x10
[ 151.039458][ T6860] ? sb_set_blocksize+0x155/0x240
[ 151.039488][ T6860] ? setup_bdev_super+0x4c1/0x5b0
[ 151.039517][ T6860] get_tree_bdev_flags+0x431/0x4f0
[ 151.039543][ T6860] ? __pfx_gfs2_fill_super+0x10/0x10
[ 151.039560][ T6860] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 151.039585][ T6860] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 151.039622][ T6860] gfs2_get_tree+0x51/0x1e0
[ 151.039643][ T6860] vfs_get_tree+0x92/0x2a0
[ 151.039672][ T6860] do_new_mount+0x341/0xd30
[ 151.039692][ T6860] ? apparmor_capable+0x126/0x170
[ 151.039724][ T6860] ? __pfx_do_new_mount+0x10/0x10
[ 151.039753][ T6860] ? ns_capable+0x89/0xe0
[ 151.039790][ T6860] ? user_path_at+0xd4/0x160
[ 151.039817][ T6860] __se_sys_mount+0x31d/0x420
[ 151.039844][ T6860] ? __pfx___se_sys_mount+0x10/0x10
[ 151.039873][ T6860] ? __x64_sys_mount+0x20/0xc0
[ 151.039897][ T6860] do_syscall_64+0x14d/0xf80
[ 151.039922][ T6860] ? trace_irq_disable+0x3b/0x150
[ 151.039943][ T6860] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 151.039962][ T6860] ? clear_bhb_loop+0x40/0x90
[ 151.039985][ T6860] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 151.040003][ T6860] RIP: 0033:0x7f12eab81a2a
[ 151.040021][ T6860] 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
[ 151.040037][ T6860] RSP: 002b:00007f12eb895e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 151.040056][ T6860] RAX: ffffffffffffffda RBX: 00007f12eb895ef0 RCX: 00007f12eab81a2a
[ 151.040070][ T6860] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12eb895eb0
[ 151.040082][ T6860] RBP: 00000000200124c0 R08: 00007f12eb895ef0 R09: 0000000000000000
[ 151.040094][ T6860] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 151.040106][ T6860] R13: 00007f12eb895eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 151.040134][ T6860]
[ 151.040168][ T6860] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 151.354818][ T6860] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 151.382436][ T6851] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 151.477232][ T6860] syz.3.50 (6860): drop_caches: 2
[ 151.504107][ T6860] syz.3.50 (6860): drop_caches: 2
[ 151.619710][ T6882] loop0: detected capacity change from 0 to 32768
[ 151.681559][ T6882] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 151.710562][ T6882] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 151.772944][ T6882] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 151.800489][ T5929] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 151.834689][ T5929] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 151.901730][ T6862] syz.2.51 (6862): drop_caches: 2
[ 151.909013][ T6862] syz.2.51 (6862): drop_caches: 2
[ 152.204993][ T5929] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 370ms
[ 152.232256][ T5929] gfs2: fsid=syz:syz.0: jid=0: Done
[ 152.265666][ T6882] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 152.274837][ T6875] loop4: detected capacity change from 0 to 32768
[ 152.325790][ T6875] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 152.370880][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz.4.53 Not tainted syzkaller #0 PREEMPT(full)
[ 152.370906][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 152.370916][ T6875] Call Trace:
[ 152.370923][ T6875]
[ 152.370931][ T6875] dump_stack_lvl+0xe8/0x150
[ 152.370963][ T6875] sysfs_create_dir_ns+0x271/0x2a0
[ 152.370989][ T6875] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 152.371012][ T6875] ? do_raw_spin_unlock+0xf5/0x210
[ 152.371037][ T6875] kobject_add_internal+0x62b/0xd00
[ 152.371062][ T6875] kobject_init_and_add+0x12b/0x1a0
[ 152.371086][ T6875] ? __pfx_kobject_init_and_add+0x10/0x10
[ 152.371106][ T6875] ? __raw_spin_lock_init+0x45/0x100
[ 152.371129][ T6875] ? __init_swait_queue_head+0xa9/0x150
[ 152.371154][ T6875] gfs2_sys_fs_add+0x257/0x480
[ 152.371175][ T6875] ? is_dynamic_key+0x1ac/0x1c0
[ 152.371203][ T6875] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 152.371232][ T6875] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 152.371266][ T6875] gfs2_fill_super+0x13a7/0x21d0
[ 152.371296][ T6875] ? __pfx_gfs2_fill_super+0x10/0x10
[ 152.371319][ T6875] ? sb_set_blocksize+0x155/0x240
[ 152.371348][ T6875] ? setup_bdev_super+0x4c1/0x5b0
[ 152.371377][ T6875] get_tree_bdev_flags+0x431/0x4f0
[ 152.371404][ T6875] ? __pfx_gfs2_fill_super+0x10/0x10
[ 152.371421][ T6875] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 152.371444][ T6875] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 152.371480][ T6875] gfs2_get_tree+0x51/0x1e0
[ 152.371500][ T6875] vfs_get_tree+0x92/0x2a0
[ 152.371527][ T6875] do_new_mount+0x341/0xd30
[ 152.371547][ T6875] ? apparmor_capable+0x126/0x170
[ 152.371579][ T6875] ? __pfx_do_new_mount+0x10/0x10
[ 152.371600][ T6875] ? ns_capable+0x89/0xe0
[ 152.371637][ T6875] ? user_path_at+0xd4/0x160
[ 152.371663][ T6875] __se_sys_mount+0x31d/0x420
[ 152.371691][ T6875] ? __pfx___se_sys_mount+0x10/0x10
[ 152.371717][ T6875] ? __x64_sys_mount+0x20/0xc0
[ 152.371748][ T6875] do_syscall_64+0x14d/0xf80
[ 152.371773][ T6875] ? trace_irq_disable+0x3b/0x150
[ 152.371793][ T6875] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 152.371812][ T6875] ? clear_bhb_loop+0x40/0x90
[ 152.371834][ T6875] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 152.371853][ T6875] RIP: 0033:0x7fe6de581a2a
[ 152.371870][ T6875] 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
[ 152.371887][ T6875] RSP: 002b:00007fe6df293e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 152.371906][ T6875] RAX: ffffffffffffffda RBX: 00007fe6df293ef0 RCX: 00007fe6de581a2a
[ 152.371919][ T6875] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007fe6df293eb0
[ 152.371932][ T6875] RBP: 00000000200124c0 R08: 00007fe6df293ef0 R09: 0000000000000000
[ 152.371944][ T6875] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 152.371955][ T6875] R13: 00007fe6df293eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 152.371984][ T6875]
[ 152.372031][ T6875] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 152.726973][ T6875] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 152.784525][ T6875] syz.4.53 (6875): drop_caches: 2
[ 152.812905][ T6875] syz.4.53 (6875): drop_caches: 2
[ 152.824475][ T6882] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 152.879964][ T6882] syz.0.52 (6882): drop_caches: 2
[ 152.898642][ T6882] syz.0.52 (6882): drop_caches: 2
[ 153.138956][ T6896] loop3: detected capacity change from 0 to 32768
[ 153.237118][ T6896] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 153.317923][ T6896] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 153.398742][ T6896] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 153.449108][ T5923] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 153.477813][ T5923] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 153.801478][ T5923] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 323ms
[ 153.826478][ T5923] gfs2: fsid=syz:syz.0: jid=0: Done
[ 153.847136][ T6896] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 153.887204][ T6922] loop4: detected capacity change from 0 to 32768
[ 153.896252][ T6905] loop2: detected capacity change from 0 to 32768
[ 153.936422][ T6922] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 153.944591][ T6922] CPU: 1 UID: 0 PID: 6922 Comm: syz.4.57 Not tainted syzkaller #0 PREEMPT(full)
[ 153.944624][ T6922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 153.944635][ T6922] Call Trace:
[ 153.944642][ T6922]
[ 153.944650][ T6922] dump_stack_lvl+0xe8/0x150
[ 153.944682][ T6922] sysfs_create_dir_ns+0x271/0x2a0
[ 153.944708][ T6922] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 153.944736][ T6922] ? do_raw_spin_unlock+0xf5/0x210
[ 153.944763][ T6922] kobject_add_internal+0x62b/0xd00
[ 153.944792][ T6922] kobject_init_and_add+0x12b/0x1a0
[ 153.944817][ T6922] ? __pfx_kobject_init_and_add+0x10/0x10
[ 153.944838][ T6922] ? __raw_spin_lock_init+0x45/0x100
[ 153.944861][ T6922] ? __init_swait_queue_head+0xa9/0x150
[ 153.944885][ T6922] gfs2_sys_fs_add+0x257/0x480
[ 153.944906][ T6922] ? is_dynamic_key+0x1ac/0x1c0
[ 153.944931][ T6922] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 153.944962][ T6922] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 153.944996][ T6922] gfs2_fill_super+0x13a7/0x21d0
[ 153.945028][ T6922] ? __pfx_gfs2_fill_super+0x10/0x10
[ 153.945048][ T6922] ? sb_set_blocksize+0x155/0x240
[ 153.945077][ T6922] ? setup_bdev_super+0x4c1/0x5b0
[ 153.945105][ T6922] get_tree_bdev_flags+0x431/0x4f0
[ 153.945133][ T6922] ? __pfx_gfs2_fill_super+0x10/0x10
[ 153.945150][ T6922] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 153.945175][ T6922] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 153.945212][ T6922] gfs2_get_tree+0x51/0x1e0
[ 153.945232][ T6922] vfs_get_tree+0x92/0x2a0
[ 153.945261][ T6922] do_new_mount+0x341/0xd30
[ 153.945281][ T6922] ? apparmor_capable+0x126/0x170
[ 153.945313][ T6922] ? __pfx_do_new_mount+0x10/0x10
[ 153.945336][ T6922] ? ns_capable+0x89/0xe0
[ 153.945372][ T6922] ? user_path_at+0xd4/0x160
[ 153.945399][ T6922] __se_sys_mount+0x31d/0x420
[ 153.945425][ T6922] ? __pfx___se_sys_mount+0x10/0x10
[ 153.945454][ T6922] ? __x64_sys_mount+0x20/0xc0
[ 153.945478][ T6922] do_syscall_64+0x14d/0xf80
[ 153.945504][ T6922] ? trace_irq_disable+0x3b/0x150
[ 153.945524][ T6922] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 153.945543][ T6922] ? clear_bhb_loop+0x40/0x90
[ 153.945566][ T6922] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 153.945584][ T6922] RIP: 0033:0x7fe6de581a2a
[ 153.945609][ T6922] 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
[ 153.945625][ T6922] RSP: 002b:00007fe6df293e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 153.945645][ T6922] RAX: ffffffffffffffda RBX: 00007fe6df293ef0 RCX: 00007fe6de581a2a
[ 153.945658][ T6922] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007fe6df293eb0
[ 153.945671][ T6922] RBP: 00000000200124c0 R08: 00007fe6df293ef0 R09: 0000000000000000
[ 153.945683][ T6922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 153.945695][ T6922] R13: 00007fe6df293eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 153.945724][ T6922]
[ 153.945819][ T6922] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 153.970528][ T6904] loop1: detected capacity change from 0 to 32768
[ 154.015425][ T6922] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 154.100733][ T6896] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 154.323436][ T6905] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 154.333213][ T6904] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 154.341279][ T6905] CPU: 1 UID: 0 PID: 6905 Comm: syz.2.56 Not tainted syzkaller #0 PREEMPT(full)
[ 154.341302][ T6905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 154.341314][ T6905] Call Trace:
[ 154.341321][ T6905]
[ 154.341329][ T6905] dump_stack_lvl+0xe8/0x150
[ 154.341362][ T6905] sysfs_create_dir_ns+0x271/0x2a0
[ 154.341388][ T6905] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 154.341413][ T6905] ? do_raw_spin_unlock+0xf5/0x210
[ 154.341438][ T6905] kobject_add_internal+0x62b/0xd00
[ 154.341463][ T6905] kobject_init_and_add+0x12b/0x1a0
[ 154.341485][ T6905] ? __pfx_kobject_init_and_add+0x10/0x10
[ 154.341504][ T6905] ? __raw_spin_lock_init+0x45/0x100
[ 154.341535][ T6905] ? __init_swait_queue_head+0xa9/0x150
[ 154.341559][ T6905] gfs2_sys_fs_add+0x257/0x480
[ 154.341580][ T6905] ? is_dynamic_key+0x1ac/0x1c0
[ 154.341605][ T6905] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 154.341635][ T6905] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 154.341667][ T6905] gfs2_fill_super+0x13a7/0x21d0
[ 154.341695][ T6905] ? __pfx_gfs2_fill_super+0x10/0x10
[ 154.341715][ T6905] ? sb_set_blocksize+0x155/0x240
[ 154.341741][ T6905] ? setup_bdev_super+0x4c1/0x5b0
[ 154.341768][ T6905] get_tree_bdev_flags+0x431/0x4f0
[ 154.341794][ T6905] ? __pfx_gfs2_fill_super+0x10/0x10
[ 154.341811][ T6905] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 154.341834][ T6905] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 154.341869][ T6905] gfs2_get_tree+0x51/0x1e0
[ 154.341889][ T6905] vfs_get_tree+0x92/0x2a0
[ 154.341916][ T6905] do_new_mount+0x341/0xd30
[ 154.341937][ T6905] ? apparmor_capable+0x126/0x170
[ 154.341967][ T6905] ? __pfx_do_new_mount+0x10/0x10
[ 154.341988][ T6905] ? ns_capable+0x89/0xe0
[ 154.342021][ T6905] ? user_path_at+0xd4/0x160
[ 154.342045][ T6905] __se_sys_mount+0x31d/0x420
[ 154.342068][ T6905] ? __pfx___se_sys_mount+0x10/0x10
[ 154.342090][ T6905] ? __x64_sys_mount+0x20/0xc0
[ 154.342109][ T6905] do_syscall_64+0x14d/0xf80
[ 154.342129][ T6905] ? trace_irq_disable+0x3b/0x150
[ 154.342145][ T6905] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 154.342160][ T6905] ? clear_bhb_loop+0x40/0x90
[ 154.342178][ T6905] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 154.342193][ T6905] RIP: 0033:0x7f1704581a2a
[ 154.342208][ T6905] 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
[ 154.342221][ T6905] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 154.342237][ T6905] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 154.342248][ T6905] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 154.342258][ T6905] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 154.342267][ T6905] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 154.342276][ T6905] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 154.342300][ T6905]
[ 154.342324][ T6905] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 154.370563][ T6904] CPU: 0 UID: 0 PID: 6904 Comm: syz.1.54 Not tainted syzkaller #0 PREEMPT(full)
[ 154.370589][ T6904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 154.370600][ T6904] Call Trace:
[ 154.370608][ T6904]
[ 154.370616][ T6904] dump_stack_lvl+0xe8/0x150
[ 154.370648][ T6904] sysfs_create_dir_ns+0x271/0x2a0
[ 154.370674][ T6904] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 154.370698][ T6904] ? do_raw_spin_unlock+0xf5/0x210
[ 154.370725][ T6904] kobject_add_internal+0x62b/0xd00
[ 154.370752][ T6904] kobject_init_and_add+0x12b/0x1a0
[ 154.370777][ T6904] ? __pfx_kobject_init_and_add+0x10/0x10
[ 154.370797][ T6904] ? __raw_spin_lock_init+0x45/0x100
[ 154.370820][ T6904] ? __init_swait_queue_head+0xa9/0x150
[ 154.370845][ T6904] gfs2_sys_fs_add+0x257/0x480
[ 154.370867][ T6904] ? is_dynamic_key+0x1ac/0x1c0
[ 154.370893][ T6904] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 154.370924][ T6904] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 154.370958][ T6904] gfs2_fill_super+0x13a7/0x21d0
[ 154.370990][ T6904] ? __pfx_gfs2_fill_super+0x10/0x10
[ 154.371019][ T6904] ? sb_set_blocksize+0x155/0x240
[ 154.371049][ T6904] ? setup_bdev_super+0x4c1/0x5b0
[ 154.371078][ T6904] get_tree_bdev_flags+0x431/0x4f0
[ 154.371106][ T6904] ? __pfx_gfs2_fill_super+0x10/0x10
[ 154.371123][ T6904] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 154.371147][ T6904] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 154.371183][ T6904] gfs2_get_tree+0x51/0x1e0
[ 154.371203][ T6904] vfs_get_tree+0x92/0x2a0
[ 154.371232][ T6904] do_new_mount+0x341/0xd30
[ 154.371251][ T6904] ? apparmor_capable+0x126/0x170
[ 154.371282][ T6904] ? __pfx_do_new_mount+0x10/0x10
[ 154.371304][ T6904] ? ns_capable+0x89/0xe0
[ 154.371339][ T6904] ? user_path_at+0xd4/0x160
[ 154.371365][ T6904] __se_sys_mount+0x31d/0x420
[ 154.371392][ T6904] ? __pfx___se_sys_mount+0x10/0x10
[ 154.371420][ T6904] ? __x64_sys_mount+0x20/0xc0
[ 154.371442][ T6904] do_syscall_64+0x14d/0xf80
[ 154.371467][ T6904] ? trace_irq_disable+0x3b/0x150
[ 154.371487][ T6904] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 154.371505][ T6904] ? clear_bhb_loop+0x40/0x90
[ 154.371527][ T6904] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 154.371545][ T6904] RIP: 0033:0x7f1df3181a2a
[ 154.371562][ T6904] 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
[ 154.371579][ T6904] RSP: 002b:00007f1df3f4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 154.371598][ T6904] RAX: ffffffffffffffda RBX: 00007f1df3f4fef0 RCX: 00007f1df3181a2a
[ 154.371611][ T6904] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1df3f4feb0
[ 154.371623][ T6904] RBP: 00000000200124c0 R08: 00007f1df3f4fef0 R09: 0000000000000000
[ 154.371634][ T6904] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 154.371646][ T6904] R13: 00007f1df3f4feb0 R14: 00000000000125b0 R15: 0000000020000480
[ 154.371674][ T6904]
[ 154.371698][ T6904] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 154.400364][ T6905] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/09 23:36:33 executed programs: 54
[ 154.475805][ T6896] syz.3.55 (6896): drop_caches: 2
[ 154.485106][ T6922] syz.4.57 (6922): drop_caches: 2
[ 154.485464][ T6922] syz.4.57 (6922): drop_caches: 2
[ 154.497074][ T6904] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 154.603295][ T6896] syz.3.55 (6896): drop_caches: 2
[ 155.624252][ T6930] loop0: detected capacity change from 0 to 32768
[ 155.691343][ T6930] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 155.700462][ T6930] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 155.758762][ T6930] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 155.795459][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 155.818134][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 156.089638][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 271ms
[ 156.135039][ T9] gfs2: fsid=syz:syz.0: jid=0: Done
[ 156.155588][ T6930] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 156.320257][ T6930] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 156.368401][ T6930] syz.0.58 (6930): drop_caches: 2
[ 156.381507][ T6930] syz.0.58 (6930): drop_caches: 2
[ 156.385199][ T6948] loop4: detected capacity change from 0 to 32768
[ 156.443334][ T6948] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 156.471130][ T6948] CPU: 1 UID: 0 PID: 6948 Comm: syz.4.59 Not tainted syzkaller #0 PREEMPT(full)
[ 156.471157][ T6948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 156.471169][ T6948] Call Trace:
[ 156.471177][ T6948]
[ 156.471185][ T6948] dump_stack_lvl+0xe8/0x150
[ 156.471218][ T6948] sysfs_create_dir_ns+0x271/0x2a0
[ 156.471244][ T6948] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 156.471269][ T6948] ? do_raw_spin_unlock+0xf5/0x210
[ 156.471304][ T6948] kobject_add_internal+0x62b/0xd00
[ 156.471333][ T6948] kobject_init_and_add+0x12b/0x1a0
[ 156.471358][ T6948] ? __pfx_kobject_init_and_add+0x10/0x10
[ 156.471379][ T6948] ? __raw_spin_lock_init+0x45/0x100
[ 156.471403][ T6948] ? __init_swait_queue_head+0xa9/0x150
[ 156.471430][ T6948] gfs2_sys_fs_add+0x257/0x480
[ 156.471452][ T6948] ? is_dynamic_key+0x1ac/0x1c0
[ 156.471480][ T6948] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 156.471508][ T6948] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 156.471540][ T6948] gfs2_fill_super+0x13a7/0x21d0
[ 156.471576][ T6948] ? __pfx_gfs2_fill_super+0x10/0x10
[ 156.471599][ T6948] ? sb_set_blocksize+0x155/0x240
[ 156.471629][ T6948] ? setup_bdev_super+0x4c1/0x5b0
[ 156.471660][ T6948] get_tree_bdev_flags+0x431/0x4f0
[ 156.471687][ T6948] ? __pfx_gfs2_fill_super+0x10/0x10
[ 156.471705][ T6948] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 156.471730][ T6948] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 156.471767][ T6948] gfs2_get_tree+0x51/0x1e0
[ 156.471788][ T6948] vfs_get_tree+0x92/0x2a0
[ 156.471816][ T6948] do_new_mount+0x341/0xd30
[ 156.471836][ T6948] ? apparmor_capable+0x126/0x170
[ 156.471869][ T6948] ? __pfx_do_new_mount+0x10/0x10
[ 156.471891][ T6948] ? ns_capable+0x89/0xe0
[ 156.471927][ T6948] ? user_path_at+0xd4/0x160
[ 156.471954][ T6948] __se_sys_mount+0x31d/0x420
[ 156.471983][ T6948] ? __pfx___se_sys_mount+0x10/0x10
[ 156.472012][ T6948] ? __x64_sys_mount+0x20/0xc0
[ 156.472036][ T6948] do_syscall_64+0x14d/0xf80
[ 156.472062][ T6948] ? trace_irq_disable+0x3b/0x150
[ 156.472082][ T6948] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 156.472101][ T6948] ? clear_bhb_loop+0x40/0x90
[ 156.472123][ T6948] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 156.472141][ T6948] RIP: 0033:0x7fe6de581a2a
[ 156.472159][ T6948] 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
[ 156.472175][ T6948] RSP: 002b:00007fe6df293e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 156.472195][ T6948] RAX: ffffffffffffffda RBX: 00007fe6df293ef0 RCX: 00007fe6de581a2a
[ 156.472209][ T6948] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007fe6df293eb0
[ 156.472221][ T6948] RBP: 00000000200124c0 R08: 00007fe6df293ef0 R09: 0000000000000000
[ 156.472233][ T6948] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 156.472245][ T6948] R13: 00007fe6df293eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 156.472274][ T6948]
[ 156.473144][ T6948] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 156.785903][ T6948] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 156.874510][ T6953] loop2: detected capacity change from 0 to 32768
[ 156.907155][ T6948] syz.4.59 (6948): drop_caches: 2
[ 156.923071][ T6953] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 156.947142][ T6948] syz.4.59 (6948): drop_caches: 2
[ 156.952047][ T6953] CPU: 0 UID: 0 PID: 6953 Comm: syz.2.61 Not tainted syzkaller #0 PREEMPT(full)
[ 156.952073][ T6953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 156.952084][ T6953] Call Trace:
[ 156.952092][ T6953]
[ 156.952099][ T6953] dump_stack_lvl+0xe8/0x150
[ 156.952126][ T6953] sysfs_create_dir_ns+0x271/0x2a0
[ 156.952150][ T6953] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 156.952175][ T6953] ? do_raw_spin_unlock+0xf5/0x210
[ 156.952199][ T6953] kobject_add_internal+0x62b/0xd00
[ 156.952225][ T6953] kobject_init_and_add+0x12b/0x1a0
[ 156.952249][ T6953] ? __pfx_kobject_init_and_add+0x10/0x10
[ 156.952267][ T6953] ? __raw_spin_lock_init+0x45/0x100
[ 156.952288][ T6953] ? __init_swait_queue_head+0xa9/0x150
[ 156.952313][ T6953] gfs2_sys_fs_add+0x257/0x480
[ 156.952336][ T6953] ? is_dynamic_key+0x1ac/0x1c0
[ 156.952360][ T6953] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 156.952390][ T6953] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 156.952439][ T6953] gfs2_fill_super+0x13a7/0x21d0
[ 156.952471][ T6953] ? __pfx_gfs2_fill_super+0x10/0x10
[ 156.952493][ T6953] ? sb_set_blocksize+0x155/0x240
[ 156.952523][ T6953] ? setup_bdev_super+0x4c1/0x5b0
[ 156.952552][ T6953] get_tree_bdev_flags+0x431/0x4f0
[ 156.952583][ T6953] ? __pfx_gfs2_fill_super+0x10/0x10
[ 156.952607][ T6953] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 156.952637][ T6953] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 156.952673][ T6953] gfs2_get_tree+0x51/0x1e0
[ 156.952694][ T6953] vfs_get_tree+0x92/0x2a0
[ 156.952721][ T6953] do_new_mount+0x341/0xd30
[ 156.952741][ T6953] ? apparmor_capable+0x126/0x170
[ 156.952773][ T6953] ? __pfx_do_new_mount+0x10/0x10
[ 156.952812][ T6953] ? ns_capable+0x89/0xe0
[ 156.952847][ T6953] ? user_path_at+0xd4/0x160
[ 156.952874][ T6953] __se_sys_mount+0x31d/0x420
[ 156.952900][ T6953] ? __pfx___se_sys_mount+0x10/0x10
[ 156.952928][ T6953] ? __x64_sys_mount+0x20/0xc0
[ 156.952953][ T6953] do_syscall_64+0x14d/0xf80
[ 156.952977][ T6953] ? trace_irq_disable+0x3b/0x150
[ 156.952997][ T6953] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 156.953015][ T6953] ? clear_bhb_loop+0x40/0x90
[ 156.953038][ T6953] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 156.953058][ T6953] RIP: 0033:0x7f1704581a2a
[ 156.953076][ T6953] 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
[ 156.953091][ T6953] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 156.953110][ T6953] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 156.953123][ T6953] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 156.953135][ T6953] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 156.953147][ T6953] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 156.953158][ T6953] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 156.953187][ T6953]
[ 156.953221][ T6953] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 157.148554][ T6961] loop3: detected capacity change from 0 to 32768
[ 157.199256][ T6953] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 157.366839][ T6961] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 157.393081][ T6953] syz.2.61 (6953): drop_caches: 2
[ 157.399117][ T6953] syz.2.61 (6953): drop_caches: 2
[ 157.445578][ T6956] loop1: detected capacity change from 0 to 32768
[ 157.461922][ T6961] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 157.498607][ T6956] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 157.538363][ T6956] CPU: 1 UID: 0 PID: 6956 Comm: syz.1.62 Not tainted syzkaller #0 PREEMPT(full)
[ 157.538389][ T6956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 157.538401][ T6956] Call Trace:
[ 157.538409][ T6956]
[ 157.538417][ T6956] dump_stack_lvl+0xe8/0x150
[ 157.538450][ T6956] sysfs_create_dir_ns+0x271/0x2a0
[ 157.538477][ T6956] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 157.538507][ T6956] ? do_raw_spin_unlock+0xf5/0x210
[ 157.538534][ T6956] kobject_add_internal+0x62b/0xd00
[ 157.538563][ T6956] kobject_init_and_add+0x12b/0x1a0
[ 157.538588][ T6956] ? __pfx_kobject_init_and_add+0x10/0x10
[ 157.538609][ T6956] ? __raw_spin_lock_init+0x45/0x100
[ 157.538633][ T6956] ? __init_swait_queue_head+0xa9/0x150
[ 157.538660][ T6956] gfs2_sys_fs_add+0x257/0x480
[ 157.538683][ T6956] ? is_dynamic_key+0x1ac/0x1c0
[ 157.538710][ T6956] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 157.538741][ T6956] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 157.538777][ T6956] gfs2_fill_super+0x13a7/0x21d0
[ 157.538810][ T6956] ? __pfx_gfs2_fill_super+0x10/0x10
[ 157.538833][ T6956] ? sb_set_blocksize+0x155/0x240
[ 157.538864][ T6956] ? setup_bdev_super+0x4c1/0x5b0
[ 157.538894][ T6956] get_tree_bdev_flags+0x431/0x4f0
[ 157.538922][ T6956] ? __pfx_gfs2_fill_super+0x10/0x10
[ 157.538939][ T6956] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 157.538965][ T6956] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 157.539000][ T6956] gfs2_get_tree+0x51/0x1e0
[ 157.539022][ T6956] vfs_get_tree+0x92/0x2a0
[ 157.539052][ T6956] do_new_mount+0x341/0xd30
[ 157.539072][ T6956] ? apparmor_capable+0x126/0x170
[ 157.539104][ T6956] ? __pfx_do_new_mount+0x10/0x10
[ 157.539126][ T6956] ? ns_capable+0x89/0xe0
[ 157.539163][ T6956] ? user_path_at+0xd4/0x160
[ 157.539190][ T6956] __se_sys_mount+0x31d/0x420
[ 157.539225][ T6956] ? __pfx___se_sys_mount+0x10/0x10
[ 157.539253][ T6956] ? __x64_sys_mount+0x20/0xc0
[ 157.539278][ T6956] do_syscall_64+0x14d/0xf80
[ 157.539304][ T6956] ? trace_irq_disable+0x3b/0x150
[ 157.539324][ T6956] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 157.539343][ T6956] ? clear_bhb_loop+0x40/0x90
[ 157.539366][ T6956] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 157.539384][ T6956] RIP: 0033:0x7f1df3181a2a
[ 157.539402][ T6956] 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
[ 157.539417][ T6956] RSP: 002b:00007f1df3f4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 157.539437][ T6956] RAX: ffffffffffffffda RBX: 00007f1df3f4fef0 RCX: 00007f1df3181a2a
[ 157.539451][ T6956] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1df3f4feb0
[ 157.539463][ T6956] RBP: 00000000200124c0 R08: 00007f1df3f4fef0 R09: 0000000000000000
[ 157.539475][ T6956] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 157.539487][ T6956] R13: 00007f1df3f4feb0 R14: 00000000000125b0 R15: 0000000020000480
[ 157.539516][ T6956]
[ 157.539540][ T6956] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 157.789037][ T6961] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 157.880414][ T6956] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 158.000431][ T6956] syz.1.62 (6956): drop_caches: 2
[ 158.033286][ T5923] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 158.050680][ T6956] syz.1.62 (6956): drop_caches: 2
[ 158.077325][ T5923] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 158.391135][ T5923] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 313ms
[ 158.427002][ T5923] gfs2: fsid=syz:syz.0: jid=0: Done
[ 158.442680][ T6961] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 158.637231][ T6961] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 158.672345][ T6961] syz.3.60 (6961): drop_caches: 2
[ 158.691630][ T6961] syz.3.60 (6961): drop_caches: 2
[ 159.035715][ T6984] loop4: detected capacity change from 0 to 32768
[ 159.081203][ T6984] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 159.100366][ T6984] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 159.173987][ T6984] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 159.211671][ T5879] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 159.228722][ T5879] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 159.458063][ T6990] loop0: detected capacity change from 0 to 32768
[ 159.467934][ T6992] loop2: detected capacity change from 0 to 32768
[ 159.508754][ T6992] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 159.527547][ T6990] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 159.544623][ T6992] CPU: 0 UID: 0 PID: 6992 Comm: syz.2.65 Not tainted syzkaller #0 PREEMPT(full)
[ 159.544649][ T6992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 159.544661][ T6992] Call Trace:
[ 159.544668][ T6992]
[ 159.544676][ T6992] dump_stack_lvl+0xe8/0x150
[ 159.544707][ T6992] sysfs_create_dir_ns+0x271/0x2a0
[ 159.544737][ T6992] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 159.544762][ T6992] ? do_raw_spin_unlock+0xf5/0x210
[ 159.544796][ T6992] kobject_add_internal+0x62b/0xd00
[ 159.544824][ T6992] kobject_init_and_add+0x12b/0x1a0
[ 159.544847][ T6992] ? __pfx_kobject_init_and_add+0x10/0x10
[ 159.544866][ T6992] ? __raw_spin_lock_init+0x45/0x100
[ 159.544888][ T6992] ? __init_swait_queue_head+0xa9/0x150
[ 159.544911][ T6992] gfs2_sys_fs_add+0x257/0x480
[ 159.544932][ T6992] ? is_dynamic_key+0x1ac/0x1c0
[ 159.544957][ T6992] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 159.544986][ T6992] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 159.545019][ T6992] gfs2_fill_super+0x13a7/0x21d0
[ 159.545052][ T6992] ? __pfx_gfs2_fill_super+0x10/0x10
[ 159.545075][ T6992] ? sb_set_blocksize+0x155/0x240
[ 159.545104][ T6992] ? setup_bdev_super+0x4c1/0x5b0
[ 159.545133][ T6992] get_tree_bdev_flags+0x431/0x4f0
[ 159.545161][ T6992] ? __pfx_gfs2_fill_super+0x10/0x10
[ 159.545178][ T6992] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 159.545203][ T6992] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 159.545238][ T6992] gfs2_get_tree+0x51/0x1e0
[ 159.545259][ T6992] vfs_get_tree+0x92/0x2a0
[ 159.545286][ T6992] do_new_mount+0x341/0xd30
[ 159.545306][ T6992] ? apparmor_capable+0x126/0x170
[ 159.545338][ T6992] ? __pfx_do_new_mount+0x10/0x10
[ 159.545359][ T6992] ? ns_capable+0x89/0xe0
[ 159.545395][ T6992] ? user_path_at+0xd4/0x160
[ 159.545422][ T6992] __se_sys_mount+0x31d/0x420
[ 159.545450][ T6992] ? __pfx___se_sys_mount+0x10/0x10
[ 159.545479][ T6992] ? __x64_sys_mount+0x20/0xc0
[ 159.545503][ T6992] do_syscall_64+0x14d/0xf80
[ 159.545530][ T6992] ? trace_irq_disable+0x3b/0x150
[ 159.545550][ T6992] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 159.545569][ T6992] ? clear_bhb_loop+0x40/0x90
[ 159.545590][ T6992] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 159.545608][ T6992] RIP: 0033:0x7f1704581a2a
[ 159.545625][ T6992] 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
[ 159.545641][ T6992] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 159.545660][ T6992] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 159.545674][ T6992] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 159.545687][ T6992] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 159.545699][ T6992] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 159.545711][ T6992] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 159.545739][ T6992]
[ 159.545785][ T6992] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 159.572734][ T5879] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 344ms
[ 159.583356][ T6990] CPU: 0 UID: 0 PID: 6990 Comm: syz.0.63 Not tainted syzkaller #0 PREEMPT(full)
[ 159.583381][ T6990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 159.583392][ T6990] Call Trace:
[ 159.583399][ T6990]
[ 159.583406][ T6990] dump_stack_lvl+0xe8/0x150
[ 159.583439][ T6990] sysfs_create_dir_ns+0x271/0x2a0
[ 159.583465][ T6990] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 159.583489][ T6990] ? do_raw_spin_unlock+0xf5/0x210
[ 159.583516][ T6990] kobject_add_internal+0x62b/0xd00
[ 159.583544][ T6990] kobject_init_and_add+0x12b/0x1a0
[ 159.583568][ T6990] ? __pfx_kobject_init_and_add+0x10/0x10
[ 159.583589][ T6990] ? __raw_spin_lock_init+0x45/0x100
[ 159.583611][ T6990] ? __init_swait_queue_head+0xa9/0x150
[ 159.583636][ T6990] gfs2_sys_fs_add+0x257/0x480
[ 159.583658][ T6990] ? is_dynamic_key+0x1ac/0x1c0
[ 159.583684][ T6990] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 159.583714][ T6990] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 159.583749][ T6990] gfs2_fill_super+0x13a7/0x21d0
[ 159.583788][ T6990] ? __pfx_gfs2_fill_super+0x10/0x10
[ 159.583810][ T6990] ? sb_set_blocksize+0x155/0x240
[ 159.583839][ T6990] ? setup_bdev_super+0x4c1/0x5b0
[ 159.583869][ T6990] get_tree_bdev_flags+0x431/0x4f0
[ 159.583896][ T6990] ? __pfx_gfs2_fill_super+0x10/0x10
[ 159.583912][ T6990] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 159.583937][ T6990] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 159.583976][ T6990] gfs2_get_tree+0x51/0x1e0
[ 159.583997][ T6990] vfs_get_tree+0x92/0x2a0
[ 159.584025][ T6990] do_new_mount+0x341/0xd30
[ 159.584045][ T6990] ? apparmor_capable+0x126/0x170
[ 159.584076][ T6990] ? __pfx_do_new_mount+0x10/0x10
[ 159.584096][ T6990] ? ns_capable+0x89/0xe0
[ 159.584132][ T6990] ? user_path_at+0xd4/0x160
[ 159.584158][ T6990] __se_sys_mount+0x31d/0x420
[ 159.584185][ T6990] ? __pfx___se_sys_mount+0x10/0x10
[ 159.584212][ T6990] ? __x64_sys_mount+0x20/0xc0
[ 159.584235][ T6990] do_syscall_64+0x14d/0xf80
[ 159.584260][ T6990] ? trace_irq_disable+0x3b/0x150
[ 159.584279][ T6990] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 159.584296][ T6990] ? clear_bhb_loop+0x40/0x90
[ 159.584318][ T6990] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 159.584336][ T6990] RIP: 0033:0x7f12b1981a2a
[ 159.584354][ T6990] 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
[ 159.584370][ T6990] RSP: 002b:00007f12b268de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 159.584388][ T6990] RAX: ffffffffffffffda RBX: 00007f12b268def0 RCX: 00007f12b1981a2a
[ 159.584401][ T6990] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12b268deb0
[ 159.584414][ T6990] RBP: 00000000200124c0 R08: 00007f12b268def0 R09: 0000000000000000
[ 159.584425][ T6990] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 159.584437][ T6990] R13: 00007f12b268deb0 R14: 00000000000125b0 R15: 0000000020000480
[ 159.584465][ T6990]
[ 159.584564][ T6990] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 159.595089][ T5879] gfs2: fsid=syz:syz.0: jid=0: Done
[ 159.692782][ T6990] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 159.697615][ T6984] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 159.877339][ T6996] loop1: detected capacity change from 0 to 32768
[ 159.891461][ T6992] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 160.057825][ T6996] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 160.278079][ T6992] syz.2.65 (6992): drop_caches: 2
[ 160.293389][ T6992] syz.2.65 (6992): drop_caches: 2
[ 160.299231][ T6996] CPU: 1 UID: 0 PID: 6996 Comm: syz.1.66 Not tainted syzkaller #0 PREEMPT(full)
[ 160.299255][ T6996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 160.299266][ T6996] Call Trace:
[ 160.299273][ T6996]
[ 160.299282][ T6996] dump_stack_lvl+0xe8/0x150
[ 160.299316][ T6996] sysfs_create_dir_ns+0x271/0x2a0
[ 160.299350][ T6996] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 160.299375][ T6996] ? do_raw_spin_unlock+0xf5/0x210
[ 160.299402][ T6996] kobject_add_internal+0x62b/0xd00
[ 160.299431][ T6996] kobject_init_and_add+0x12b/0x1a0
[ 160.299456][ T6996] ? __pfx_kobject_init_and_add+0x10/0x10
[ 160.299476][ T6996] ? __raw_spin_lock_init+0x45/0x100
[ 160.299501][ T6996] ? __init_swait_queue_head+0xa9/0x150
[ 160.299528][ T6996] gfs2_sys_fs_add+0x257/0x480
[ 160.299551][ T6996] ? is_dynamic_key+0x1ac/0x1c0
[ 160.299578][ T6996] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 160.299610][ T6996] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 160.299641][ T6996] gfs2_fill_super+0x13a7/0x21d0
[ 160.299671][ T6996] ? __pfx_gfs2_fill_super+0x10/0x10
[ 160.299692][ T6996] ? sb_set_blocksize+0x155/0x240
[ 160.299724][ T6996] ? setup_bdev_super+0x4c1/0x5b0
[ 160.299755][ T6996] get_tree_bdev_flags+0x431/0x4f0
[ 160.299783][ T6996] ? __pfx_gfs2_fill_super+0x10/0x10
[ 160.299802][ T6996] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 160.299824][ T6996] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 160.299858][ T6996] gfs2_get_tree+0x51/0x1e0
[ 160.299878][ T6996] vfs_get_tree+0x92/0x2a0
[ 160.299905][ T6996] do_new_mount+0x341/0xd30
[ 160.299923][ T6996] ? apparmor_capable+0x126/0x170
[ 160.299954][ T6996] ? __pfx_do_new_mount+0x10/0x10
[ 160.299976][ T6996] ? ns_capable+0x89/0xe0
[ 160.300010][ T6996] ? user_path_at+0xd4/0x160
[ 160.300040][ T6996] __se_sys_mount+0x31d/0x420
[ 160.300068][ T6996] ? __pfx___se_sys_mount+0x10/0x10
[ 160.300098][ T6996] ? __x64_sys_mount+0x20/0xc0
[ 160.300123][ T6996] do_syscall_64+0x14d/0xf80
[ 160.300149][ T6996] ? trace_irq_disable+0x3b/0x150
[ 160.300170][ T6996] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 160.300188][ T6996] ? clear_bhb_loop+0x40/0x90
[ 160.300210][ T6996] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 160.300228][ T6996] RIP: 0033:0x7f1df3181a2a
[ 160.300245][ T6996] 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
[ 160.300261][ T6996] RSP: 002b:00007f1df3f4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 160.300280][ T6996] RAX: ffffffffffffffda RBX: 00007f1df3f4fef0 RCX: 00007f1df3181a2a
[ 160.300293][ T6996] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1df3f4feb0
[ 160.300304][ T6996] RBP: 00000000200124c0 R08: 00007f1df3f4fef0 R09: 0000000000000000
[ 160.300314][ T6996] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 160.300323][ T6996] R13: 00007f1df3f4feb0 R14: 00000000000125b0 R15: 0000000020000480
[ 160.300357][ T6996]
[ 160.683064][ T6996] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 160.701451][ T6990] syz.0.63 (6990): drop_caches: 2
[ 160.707556][ T6990] syz.0.63 (6990): drop_caches: 2
2026/03/09 23:36:39 executed programs: 63
[ 160.829701][ T6996] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 160.879709][ T7012] loop3: detected capacity change from 0 to 32768
[ 160.970196][ T6984] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 160.977724][ T6996] syz.1.66 (6996): drop_caches: 2
[ 160.999778][ T7012] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 161.025446][ T7012] CPU: 1 UID: 0 PID: 7012 Comm: syz.3.67 Not tainted syzkaller #0 PREEMPT(full)
[ 161.025473][ T7012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 161.025484][ T7012] Call Trace:
[ 161.025492][ T7012]
[ 161.025500][ T7012] dump_stack_lvl+0xe8/0x150
[ 161.025533][ T7012] sysfs_create_dir_ns+0x271/0x2a0
[ 161.025559][ T7012] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 161.025584][ T7012] ? do_raw_spin_unlock+0xf5/0x210
[ 161.025612][ T7012] kobject_add_internal+0x62b/0xd00
[ 161.025640][ T7012] kobject_init_and_add+0x12b/0x1a0
[ 161.025665][ T7012] ? __pfx_kobject_init_and_add+0x10/0x10
[ 161.025686][ T7012] ? __raw_spin_lock_init+0x45/0x100
[ 161.025710][ T7012] ? __init_swait_queue_head+0xa9/0x150
[ 161.025737][ T7012] gfs2_sys_fs_add+0x257/0x480
[ 161.025760][ T7012] ? is_dynamic_key+0x1ac/0x1c0
[ 161.025787][ T7012] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 161.025818][ T7012] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 161.025855][ T7012] gfs2_fill_super+0x13a7/0x21d0
[ 161.025889][ T7012] ? __pfx_gfs2_fill_super+0x10/0x10
[ 161.025912][ T7012] ? sb_set_blocksize+0x155/0x240
[ 161.025943][ T7012] ? setup_bdev_super+0x4c1/0x5b0
[ 161.025974][ T7012] get_tree_bdev_flags+0x431/0x4f0
[ 161.026002][ T7012] ? __pfx_gfs2_fill_super+0x10/0x10
[ 161.026019][ T7012] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 161.026045][ T7012] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 161.026081][ T7012] gfs2_get_tree+0x51/0x1e0
[ 161.026102][ T7012] vfs_get_tree+0x92/0x2a0
[ 161.026132][ T7012] do_new_mount+0x341/0xd30
[ 161.026152][ T7012] ? apparmor_capable+0x126/0x170
[ 161.026184][ T7012] ? __pfx_do_new_mount+0x10/0x10
[ 161.026206][ T7012] ? ns_capable+0x89/0xe0
[ 161.026243][ T7012] ? user_path_at+0xd4/0x160
[ 161.026276][ T7012] __se_sys_mount+0x31d/0x420
[ 161.026305][ T7012] ? __pfx___se_sys_mount+0x10/0x10
[ 161.026336][ T7012] ? __x64_sys_mount+0x20/0xc0
[ 161.026361][ T7012] do_syscall_64+0x14d/0xf80
[ 161.026386][ T7012] ? trace_irq_disable+0x3b/0x150
[ 161.026407][ T7012] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 161.026426][ T7012] ? clear_bhb_loop+0x40/0x90
[ 161.026449][ T7012] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 161.026467][ T7012] RIP: 0033:0x7f12eab81a2a
[ 161.026485][ T7012] 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
[ 161.026501][ T7012] RSP: 002b:00007f12eb895e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 161.026520][ T7012] RAX: ffffffffffffffda RBX: 00007f12eb895ef0 RCX: 00007f12eab81a2a
[ 161.026534][ T7012] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12eb895eb0
[ 161.026547][ T7012] RBP: 00000000200124c0 R08: 00007f12eb895ef0 R09: 0000000000000000
[ 161.026559][ T7012] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 161.026571][ T7012] R13: 00007f12eb895eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 161.026600][ T7012]
[ 161.026648][ T7012] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 161.234776][ T6996] syz.1.66 (6996): drop_caches: 2
[ 161.411487][ T7012] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 161.508983][ T7012] syz.3.67 (7012): drop_caches: 2
[ 161.559830][ T7012] syz.3.67 (7012): drop_caches: 2
[ 162.238737][ T7027] loop0: detected capacity change from 0 to 32768
[ 162.279045][ T7027] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 162.337176][ T7027] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 162.394418][ T7027] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 162.460897][ T6448] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 162.487344][ T6448] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 162.560069][ T7029] loop2: detected capacity change from 0 to 32768
[ 162.608005][ T7029] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 162.621609][ T7038] loop1: detected capacity change from 0 to 32768
[ 162.649710][ T7029] CPU: 1 UID: 0 PID: 7029 Comm: syz.2.69 Not tainted syzkaller #0 PREEMPT(full)
[ 162.649738][ T7029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 162.649749][ T7029] Call Trace:
[ 162.649757][ T7029]
[ 162.649765][ T7029] dump_stack_lvl+0xe8/0x150
[ 162.649798][ T7029] sysfs_create_dir_ns+0x271/0x2a0
[ 162.649824][ T7029] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 162.649849][ T7029] ? do_raw_spin_unlock+0xf5/0x210
[ 162.649876][ T7029] kobject_add_internal+0x62b/0xd00
[ 162.649905][ T7029] kobject_init_and_add+0x12b/0x1a0
[ 162.649930][ T7029] ? __pfx_kobject_init_and_add+0x10/0x10
[ 162.649951][ T7029] ? __raw_spin_lock_init+0x45/0x100
[ 162.649975][ T7029] ? __init_swait_queue_head+0xa9/0x150
[ 162.650002][ T7029] gfs2_sys_fs_add+0x257/0x480
[ 162.650025][ T7029] ? is_dynamic_key+0x1ac/0x1c0
[ 162.650052][ T7029] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 162.650082][ T7029] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 162.650122][ T7029] gfs2_fill_super+0x13a7/0x21d0
[ 162.650154][ T7029] ? __pfx_gfs2_fill_super+0x10/0x10
[ 162.650177][ T7029] ? sb_set_blocksize+0x155/0x240
[ 162.650206][ T7029] ? setup_bdev_super+0x4c1/0x5b0
[ 162.650235][ T7029] get_tree_bdev_flags+0x431/0x4f0
[ 162.650262][ T7029] ? __pfx_gfs2_fill_super+0x10/0x10
[ 162.650279][ T7029] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 162.650302][ T7029] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 162.650335][ T7029] gfs2_get_tree+0x51/0x1e0
[ 162.650357][ T7029] vfs_get_tree+0x92/0x2a0
[ 162.650386][ T7029] do_new_mount+0x341/0xd30
[ 162.650406][ T7029] ? apparmor_capable+0x126/0x170
[ 162.650437][ T7029] ? __pfx_do_new_mount+0x10/0x10
[ 162.650459][ T7029] ? ns_capable+0x89/0xe0
[ 162.650495][ T7029] ? user_path_at+0xd4/0x160
[ 162.650521][ T7029] __se_sys_mount+0x31d/0x420
[ 162.650549][ T7029] ? __pfx___se_sys_mount+0x10/0x10
[ 162.650578][ T7029] ? __x64_sys_mount+0x20/0xc0
[ 162.650602][ T7029] do_syscall_64+0x14d/0xf80
[ 162.650627][ T7029] ? trace_irq_disable+0x3b/0x150
[ 162.650649][ T7029] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 162.650667][ T7029] ? clear_bhb_loop+0x40/0x90
[ 162.650689][ T7029] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 162.650708][ T7029] RIP: 0033:0x7f1704581a2a
[ 162.650725][ T7029] 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
[ 162.650741][ T7029] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 162.650761][ T7029] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 162.650774][ T7029] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 162.650787][ T7029] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 162.650799][ T7029] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 162.650810][ T7029] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 162.650840][ T7029]
[ 162.895124][ T6448] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 407ms
[ 162.969484][ T7029] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 162.984050][ T7029] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 163.003343][ T7038] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 163.033397][ T7038] CPU: 0 UID: 0 PID: 7038 Comm: syz.1.71 Not tainted syzkaller #0 PREEMPT(full)
[ 163.033425][ T7038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 163.033437][ T7038] Call Trace:
[ 163.033445][ T7038]
[ 163.033453][ T7038] dump_stack_lvl+0xe8/0x150
[ 163.033486][ T7038] sysfs_create_dir_ns+0x271/0x2a0
[ 163.033512][ T7038] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 163.033536][ T7038] ? do_raw_spin_unlock+0xf5/0x210
[ 163.033563][ T7038] kobject_add_internal+0x62b/0xd00
[ 163.033592][ T7038] kobject_init_and_add+0x12b/0x1a0
[ 163.033618][ T7038] ? __pfx_kobject_init_and_add+0x10/0x10
[ 163.033638][ T7038] ? __raw_spin_lock_init+0x45/0x100
[ 163.033662][ T7038] ? __init_swait_queue_head+0xa9/0x150
[ 163.033688][ T7038] gfs2_sys_fs_add+0x257/0x480
[ 163.033711][ T7038] ? is_dynamic_key+0x1ac/0x1c0
[ 163.033738][ T7038] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 163.033769][ T7038] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 163.033805][ T7038] gfs2_fill_super+0x13a7/0x21d0
[ 163.033837][ T7038] ? __pfx_gfs2_fill_super+0x10/0x10
[ 163.033859][ T7038] ? sb_set_blocksize+0x155/0x240
[ 163.033890][ T7038] ? setup_bdev_super+0x4c1/0x5b0
[ 163.033920][ T7038] get_tree_bdev_flags+0x431/0x4f0
[ 163.033948][ T7038] ? __pfx_gfs2_fill_super+0x10/0x10
[ 163.033965][ T7038] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 163.033991][ T7038] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 163.034034][ T7038] gfs2_get_tree+0x51/0x1e0
[ 163.034055][ T7038] vfs_get_tree+0x92/0x2a0
[ 163.034085][ T7038] do_new_mount+0x341/0xd30
[ 163.034106][ T7038] ? apparmor_capable+0x126/0x170
[ 163.034138][ T7038] ? __pfx_do_new_mount+0x10/0x10
[ 163.034161][ T7038] ? ns_capable+0x89/0xe0
[ 163.034197][ T7038] ? user_path_at+0xd4/0x160
[ 163.034224][ T7038] __se_sys_mount+0x31d/0x420
[ 163.034252][ T7038] ? __pfx___se_sys_mount+0x10/0x10
[ 163.034282][ T7038] ? __x64_sys_mount+0x20/0xc0
[ 163.034305][ T7038] do_syscall_64+0x14d/0xf80
[ 163.034330][ T7038] ? trace_irq_disable+0x3b/0x150
[ 163.034351][ T7038] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 163.034370][ T7038] ? clear_bhb_loop+0x40/0x90
[ 163.034393][ T7038] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 163.034411][ T7038] RIP: 0033:0x7f1df3181a2a
[ 163.034429][ T7038] 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
[ 163.034445][ T7038] RSP: 002b:00007f1df3f4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 163.034464][ T7038] RAX: ffffffffffffffda RBX: 00007f1df3f4fef0 RCX: 00007f1df3181a2a
[ 163.034478][ T7038] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1df3f4feb0
[ 163.034491][ T7038] RBP: 00000000200124c0 R08: 00007f1df3f4fef0 R09: 0000000000000000
[ 163.034503][ T7038] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 163.034515][ T7038] R13: 00007f1df3f4feb0 R14: 00000000000125b0 R15: 0000000020000480
[ 163.034543][ T7038]
[ 163.034568][ T7038] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 163.060341][ T7044] loop3: detected capacity change from 0 to 32768
[ 163.173874][ T7029] syz.2.69 (7029): drop_caches: 2
[ 163.189217][ T7038] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 163.286917][ T6448] gfs2: fsid=syz:syz.0: jid=0: Done
[ 163.315227][ T7029] syz.2.69 (7029): drop_caches: 2
[ 163.341735][ T7044] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 163.392760][ T7038] syz.1.71 (7038): drop_caches: 2
[ 163.410750][ T7044] CPU: 1 UID: 0 PID: 7044 Comm: syz.3.72 Not tainted syzkaller #0 PREEMPT(full)
[ 163.410778][ T7044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 163.410790][ T7044] Call Trace:
[ 163.410797][ T7044]
[ 163.410805][ T7044] dump_stack_lvl+0xe8/0x150
[ 163.410838][ T7044] sysfs_create_dir_ns+0x271/0x2a0
[ 163.410864][ T7044] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 163.410889][ T7044] ? do_raw_spin_unlock+0xf5/0x210
[ 163.410915][ T7044] kobject_add_internal+0x62b/0xd00
[ 163.410943][ T7044] kobject_init_and_add+0x12b/0x1a0
[ 163.410968][ T7044] ? __pfx_kobject_init_and_add+0x10/0x10
[ 163.410989][ T7044] ? __raw_spin_lock_init+0x45/0x100
[ 163.411014][ T7044] ? __init_swait_queue_head+0xa9/0x150
[ 163.411047][ T7044] gfs2_sys_fs_add+0x257/0x480
[ 163.411070][ T7044] ? is_dynamic_key+0x1ac/0x1c0
[ 163.411097][ T7044] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 163.411129][ T7044] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 163.411164][ T7044] gfs2_fill_super+0x13a7/0x21d0
[ 163.411198][ T7044] ? __pfx_gfs2_fill_super+0x10/0x10
[ 163.411220][ T7044] ? sb_set_blocksize+0x155/0x240
[ 163.411250][ T7044] ? setup_bdev_super+0x4c1/0x5b0
[ 163.411281][ T7044] get_tree_bdev_flags+0x431/0x4f0
[ 163.411308][ T7044] ? __pfx_gfs2_fill_super+0x10/0x10
[ 163.411347][ T7044] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 163.411373][ T7044] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 163.411409][ T7044] gfs2_get_tree+0x51/0x1e0
[ 163.411431][ T7044] vfs_get_tree+0x92/0x2a0
[ 163.411460][ T7044] do_new_mount+0x341/0xd30
[ 163.411480][ T7044] ? apparmor_capable+0x126/0x170
[ 163.411512][ T7044] ? __pfx_do_new_mount+0x10/0x10
[ 163.411533][ T7044] ? ns_capable+0x89/0xe0
[ 163.411569][ T7044] ? user_path_at+0xd4/0x160
[ 163.411596][ T7044] __se_sys_mount+0x31d/0x420
[ 163.411624][ T7044] ? __pfx___se_sys_mount+0x10/0x10
[ 163.411653][ T7044] ? __x64_sys_mount+0x20/0xc0
[ 163.411678][ T7044] do_syscall_64+0x14d/0xf80
[ 163.411704][ T7044] ? trace_irq_disable+0x3b/0x150
[ 163.411724][ T7044] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 163.411743][ T7044] ? clear_bhb_loop+0x40/0x90
[ 163.411764][ T7044] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 163.411782][ T7044] RIP: 0033:0x7f12eab81a2a
[ 163.411799][ T7044] 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
[ 163.411815][ T7044] RSP: 002b:00007f12eb895e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 163.411833][ T7044] RAX: ffffffffffffffda RBX: 00007f12eb895ef0 RCX: 00007f12eab81a2a
[ 163.411847][ T7044] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12eb895eb0
[ 163.411859][ T7044] RBP: 00000000200124c0 R08: 00007f12eb895ef0 R09: 0000000000000000
[ 163.411871][ T7044] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 163.411881][ T7044] R13: 00007f12eb895eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 163.411910][ T7044]
[ 163.412317][ T7044] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 163.450426][ T7027] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 163.516113][ T7038] syz.1.71 (7038): drop_caches: 2
[ 163.520597][ T7044] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 163.759285][ T7027] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 163.788170][ T7049] loop4: detected capacity change from 0 to 32768
[ 163.809487][ T7049] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 163.851873][ T7049] CPU: 1 UID: 0 PID: 7049 Comm: syz.4.70 Not tainted syzkaller #0 PREEMPT(full)
[ 163.851898][ T7049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 163.851909][ T7049] Call Trace:
[ 163.851916][ T7049]
[ 163.851924][ T7049] dump_stack_lvl+0xe8/0x150
[ 163.851956][ T7049] sysfs_create_dir_ns+0x271/0x2a0
[ 163.851980][ T7049] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 163.852013][ T7049] ? do_raw_spin_unlock+0xf5/0x210
[ 163.852058][ T7049] kobject_add_internal+0x62b/0xd00
[ 163.852087][ T7049] kobject_init_and_add+0x12b/0x1a0
[ 163.852111][ T7049] ? __pfx_kobject_init_and_add+0x10/0x10
[ 163.852132][ T7049] ? __raw_spin_lock_init+0x45/0x100
[ 163.852155][ T7049] ? __init_swait_queue_head+0xa9/0x150
[ 163.852181][ T7049] gfs2_sys_fs_add+0x257/0x480
[ 163.852204][ T7049] ? is_dynamic_key+0x1ac/0x1c0
[ 163.852232][ T7049] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 163.852264][ T7049] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 163.852299][ T7049] gfs2_fill_super+0x13a7/0x21d0
[ 163.852333][ T7049] ? __pfx_gfs2_fill_super+0x10/0x10
[ 163.852357][ T7049] ? sb_set_blocksize+0x155/0x240
[ 163.852387][ T7049] ? setup_bdev_super+0x4c1/0x5b0
[ 163.852418][ T7049] get_tree_bdev_flags+0x431/0x4f0
[ 163.852445][ T7049] ? __pfx_gfs2_fill_super+0x10/0x10
[ 163.852463][ T7049] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 163.852488][ T7049] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 163.852524][ T7049] gfs2_get_tree+0x51/0x1e0
[ 163.852545][ T7049] vfs_get_tree+0x92/0x2a0
[ 163.852574][ T7049] do_new_mount+0x341/0xd30
[ 163.852595][ T7049] ? apparmor_capable+0x126/0x170
[ 163.852627][ T7049] ? __pfx_do_new_mount+0x10/0x10
[ 163.852649][ T7049] ? ns_capable+0x89/0xe0
[ 163.852685][ T7049] ? user_path_at+0xd4/0x160
[ 163.852711][ T7049] __se_sys_mount+0x31d/0x420
[ 163.852740][ T7049] ? __pfx___se_sys_mount+0x10/0x10
[ 163.852768][ T7049] ? __x64_sys_mount+0x20/0xc0
[ 163.852793][ T7049] do_syscall_64+0x14d/0xf80
[ 163.852818][ T7049] ? trace_irq_disable+0x3b/0x150
[ 163.852838][ T7049] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 163.852859][ T7049] ? clear_bhb_loop+0x40/0x90
[ 163.852882][ T7049] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 163.852900][ T7049] RIP: 0033:0x7fe6de581a2a
[ 163.852917][ T7049] 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
[ 163.852934][ T7049] RSP: 002b:00007fe6df293e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 163.852954][ T7049] RAX: ffffffffffffffda RBX: 00007fe6df293ef0 RCX: 00007fe6de581a2a
[ 163.852968][ T7049] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007fe6df293eb0
[ 163.852981][ T7049] RBP: 00000000200124c0 R08: 00007fe6df293ef0 R09: 0000000000000000
[ 163.853000][ T7049] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 163.853012][ T7049] R13: 00007fe6df293eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 163.853042][ T7049]
[ 163.871888][ T7049] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 164.221434][ T7049] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 164.297927][ T7049] syz.4.70 (7049): drop_caches: 2
[ 164.353370][ T7049] syz.4.70 (7049): drop_caches: 2
[ 164.649359][ T7044] syz.3.72 (7044): drop_caches: 2
[ 164.679167][ T7044] syz.3.72 (7044): drop_caches: 2
[ 164.917758][ T7068] loop2: detected capacity change from 0 to 32768
[ 164.973021][ T7068] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 165.024421][ T7068] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 165.095538][ T7068] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 165.140402][ T6587] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 165.170958][ T6587] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 165.447834][ T6587] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 276ms
[ 165.483877][ T6587] gfs2: fsid=syz:syz.0: jid=0: Done
[ 165.522343][ T7068] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 165.606893][ T7075] loop1: detected capacity change from 0 to 32768
[ 165.657975][ T7068] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 165.667760][ T7075] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 165.693788][ T7068] syz.2.73 (7068): drop_caches: 2
[ 165.709752][ T7068] syz.2.73 (7068): drop_caches: 2
[ 165.716292][ T7075] CPU: 1 UID: 0 PID: 7075 Comm: syz.1.74 Not tainted syzkaller #0 PREEMPT(full)
[ 165.716316][ T7075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 165.716327][ T7075] Call Trace:
[ 165.716335][ T7075]
[ 165.716350][ T7075] dump_stack_lvl+0xe8/0x150
[ 165.716382][ T7075] sysfs_create_dir_ns+0x271/0x2a0
[ 165.716412][ T7075] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 165.716437][ T7075] ? do_raw_spin_unlock+0xf5/0x210
[ 165.716464][ T7075] kobject_add_internal+0x62b/0xd00
[ 165.716492][ T7075] kobject_init_and_add+0x12b/0x1a0
[ 165.716519][ T7075] ? __pfx_kobject_init_and_add+0x10/0x10
[ 165.716540][ T7075] ? __raw_spin_lock_init+0x45/0x100
[ 165.716564][ T7075] ? __init_swait_queue_head+0xa9/0x150
[ 165.716590][ T7075] gfs2_sys_fs_add+0x257/0x480
[ 165.716612][ T7075] ? is_dynamic_key+0x1ac/0x1c0
[ 165.716638][ T7075] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 165.716669][ T7075] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 165.716705][ T7075] gfs2_fill_super+0x13a7/0x21d0
[ 165.716738][ T7075] ? __pfx_gfs2_fill_super+0x10/0x10
[ 165.716761][ T7075] ? sb_set_blocksize+0x155/0x240
[ 165.716792][ T7075] ? setup_bdev_super+0x4c1/0x5b0
[ 165.716821][ T7075] get_tree_bdev_flags+0x431/0x4f0
[ 165.716850][ T7075] ? __pfx_gfs2_fill_super+0x10/0x10
[ 165.716868][ T7075] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 165.716893][ T7075] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 165.716929][ T7075] gfs2_get_tree+0x51/0x1e0
[ 165.716951][ T7075] vfs_get_tree+0x92/0x2a0
[ 165.716980][ T7075] do_new_mount+0x341/0xd30
[ 165.717000][ T7075] ? apparmor_capable+0x126/0x170
[ 165.717032][ T7075] ? __pfx_do_new_mount+0x10/0x10
[ 165.717054][ T7075] ? ns_capable+0x89/0xe0
[ 165.717092][ T7075] ? user_path_at+0xd4/0x160
[ 165.717119][ T7075] __se_sys_mount+0x31d/0x420
[ 165.717154][ T7075] ? __pfx___se_sys_mount+0x10/0x10
[ 165.717182][ T7075] ? __x64_sys_mount+0x20/0xc0
[ 165.717207][ T7075] do_syscall_64+0x14d/0xf80
[ 165.717232][ T7075] ? trace_irq_disable+0x3b/0x150
[ 165.717253][ T7075] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 165.717272][ T7075] ? clear_bhb_loop+0x40/0x90
[ 165.717295][ T7075] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 165.717312][ T7075] RIP: 0033:0x7f1df3181a2a
[ 165.717330][ T7075] 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
[ 165.717346][ T7075] RSP: 002b:00007f1df3f4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 165.717365][ T7075] RAX: ffffffffffffffda RBX: 00007f1df3f4fef0 RCX: 00007f1df3181a2a
[ 165.717380][ T7075] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1df3f4feb0
[ 165.717392][ T7075] RBP: 00000000200124c0 R08: 00007f1df3f4fef0 R09: 0000000000000000
[ 165.717404][ T7075] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 165.717416][ T7075] R13: 00007f1df3f4feb0 R14: 00000000000125b0 R15: 0000000020000480
[ 165.717444][ T7075]
[ 166.003759][ T7075] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 166.024818][ T7075] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 166.084389][ T7075] syz.1.74 (7075): drop_caches: 2
[ 166.096192][ T7075] syz.1.74 (7075): drop_caches: 2
[ 166.109617][ T7088] loop3: detected capacity change from 0 to 32768
[ 166.158660][ T7088] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 166.166141][ T7088] CPU: 1 UID: 0 PID: 7088 Comm: syz.3.77 Not tainted syzkaller #0 PREEMPT(full)
[ 166.166165][ T7088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 166.166175][ T7088] Call Trace:
[ 166.166182][ T7088]
[ 166.166190][ T7088] dump_stack_lvl+0xe8/0x150
[ 166.166221][ T7088] sysfs_create_dir_ns+0x271/0x2a0
[ 166.166245][ T7088] ? __pfx_sysfs_create_dir_ns+0x10/0x10
2026/03/09 23:36:44 executed programs: 73
[ 166.166267][ T7088] ? do_raw_spin_unlock+0xf5/0x210
[ 166.166294][ T7088] kobject_add_internal+0x62b/0xd00
[ 166.166321][ T7088] kobject_init_and_add+0x12b/0x1a0
[ 166.166347][ T7088] ? __pfx_kobject_init_and_add+0x10/0x10
[ 166.166368][ T7088] ? __raw_spin_lock_init+0x45/0x100
[ 166.166390][ T7088] ? __init_swait_queue_head+0xa9/0x150
[ 166.166414][ T7088] gfs2_sys_fs_add+0x257/0x480
[ 166.166432][ T7088] ? is_dynamic_key+0x1ac/0x1c0
[ 166.166455][ T7088] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 166.166479][ T7088] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 166.166506][ T7088] gfs2_fill_super+0x13a7/0x21d0
[ 166.166535][ T7088] ? __pfx_gfs2_fill_super+0x10/0x10
[ 166.166557][ T7088] ? sb_set_blocksize+0x155/0x240
[ 166.166588][ T7088] ? setup_bdev_super+0x4c1/0x5b0
[ 166.166615][ T7088] get_tree_bdev_flags+0x431/0x4f0
[ 166.166641][ T7088] ? __pfx_gfs2_fill_super+0x10/0x10
[ 166.166658][ T7088] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 166.166683][ T7088] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 166.166719][ T7088] gfs2_get_tree+0x51/0x1e0
[ 166.166748][ T7088] vfs_get_tree+0x92/0x2a0
[ 166.166777][ T7088] do_new_mount+0x341/0xd30
[ 166.166795][ T7088] ? apparmor_capable+0x126/0x170
[ 166.166826][ T7088] ? __pfx_do_new_mount+0x10/0x10
[ 166.166847][ T7088] ? ns_capable+0x89/0xe0
[ 166.166881][ T7088] ? user_path_at+0xd4/0x160
[ 166.166906][ T7088] __se_sys_mount+0x31d/0x420
[ 166.166933][ T7088] ? __pfx___se_sys_mount+0x10/0x10
[ 166.166957][ T7088] ? __x64_sys_mount+0x20/0xc0
[ 166.166981][ T7088] do_syscall_64+0x14d/0xf80
[ 166.167007][ T7088] ? trace_irq_disable+0x3b/0x150
[ 166.167028][ T7088] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 166.167045][ T7088] ? clear_bhb_loop+0x40/0x90
[ 166.167066][ T7088] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 166.167084][ T7088] RIP: 0033:0x7f12eab81a2a
[ 166.167101][ T7088] 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
[ 166.167118][ T7088] RSP: 002b:00007f12eb895e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 166.167137][ T7088] RAX: ffffffffffffffda RBX: 00007f12eb895ef0 RCX: 00007f12eab81a2a
[ 166.167151][ T7088] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12eb895eb0
[ 166.167163][ T7088] RBP: 00000000200124c0 R08: 00007f12eb895ef0 R09: 0000000000000000
[ 166.167175][ T7088] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 166.167187][ T7088] R13: 00007f12eb895eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 166.167216][ T7088]
[ 166.167240][ T7088] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 166.348303][ T7081] loop4: detected capacity change from 0 to 32768
[ 166.352570][ T7088] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 166.510048][ T7081] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 166.530713][ T7081] CPU: 1 UID: 0 PID: 7081 Comm: syz.4.76 Not tainted syzkaller #0 PREEMPT(full)
[ 166.530740][ T7081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 166.530752][ T7081] Call Trace:
[ 166.530760][ T7081]
[ 166.530768][ T7081] dump_stack_lvl+0xe8/0x150
[ 166.530800][ T7081] sysfs_create_dir_ns+0x271/0x2a0
[ 166.530824][ T7081] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 166.530848][ T7081] ? do_raw_spin_unlock+0xf5/0x210
[ 166.530875][ T7081] kobject_add_internal+0x62b/0xd00
[ 166.530904][ T7081] kobject_init_and_add+0x12b/0x1a0
[ 166.530929][ T7081] ? __pfx_kobject_init_and_add+0x10/0x10
[ 166.530950][ T7081] ? __raw_spin_lock_init+0x45/0x100
[ 166.530974][ T7081] ? __init_swait_queue_head+0xa9/0x150
[ 166.531000][ T7081] gfs2_sys_fs_add+0x257/0x480
[ 166.531022][ T7081] ? is_dynamic_key+0x1ac/0x1c0
[ 166.531049][ T7081] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 166.531080][ T7081] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 166.531116][ T7081] gfs2_fill_super+0x13a7/0x21d0
[ 166.531149][ T7081] ? __pfx_gfs2_fill_super+0x10/0x10
[ 166.531172][ T7081] ? sb_set_blocksize+0x155/0x240
[ 166.531201][ T7081] ? setup_bdev_super+0x4c1/0x5b0
[ 166.531231][ T7081] get_tree_bdev_flags+0x431/0x4f0
[ 166.531259][ T7081] ? __pfx_gfs2_fill_super+0x10/0x10
[ 166.531276][ T7081] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 166.531301][ T7081] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 166.531338][ T7081] gfs2_get_tree+0x51/0x1e0
[ 166.531359][ T7081] vfs_get_tree+0x92/0x2a0
[ 166.531387][ T7081] do_new_mount+0x341/0xd30
[ 166.531408][ T7081] ? apparmor_capable+0x126/0x170
[ 166.531439][ T7081] ? __pfx_do_new_mount+0x10/0x10
[ 166.531461][ T7081] ? ns_capable+0x89/0xe0
[ 166.531499][ T7081] ? user_path_at+0xd4/0x160
[ 166.531527][ T7081] __se_sys_mount+0x31d/0x420
[ 166.531556][ T7081] ? __pfx___se_sys_mount+0x10/0x10
[ 166.531583][ T7081] ? __x64_sys_mount+0x20/0xc0
[ 166.531607][ T7081] do_syscall_64+0x14d/0xf80
[ 166.531632][ T7081] ? trace_irq_disable+0x3b/0x150
[ 166.531653][ T7081] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 166.531673][ T7081] ? clear_bhb_loop+0x40/0x90
[ 166.531702][ T7081] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 166.531721][ T7081] RIP: 0033:0x7fe6de581a2a
[ 166.531739][ T7081] 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
[ 166.531772][ T7081] RSP: 002b:00007fe6df293e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 166.531792][ T7081] RAX: ffffffffffffffda RBX: 00007fe6df293ef0 RCX: 00007fe6de581a2a
[ 166.531805][ T7081] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007fe6df293eb0
[ 166.531817][ T7081] RBP: 00000000200124c0 R08: 00007fe6df293ef0 R09: 0000000000000000
[ 166.531829][ T7081] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 166.531840][ T7081] R13: 00007fe6df293eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 166.531870][ T7081]
[ 166.531895][ T7081] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 166.836531][ T7081] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 166.994241][ T7081] syz.4.76 (7081): drop_caches: 2
[ 167.011466][ T7081] syz.4.76 (7081): drop_caches: 2
[ 167.088389][ T7084] loop0: detected capacity change from 0 to 32768
[ 167.186224][ T7084] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 167.220470][ T7084] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 167.260585][ T7084] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 167.311471][ T5923] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 167.346385][ T5923] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 167.406457][ T7088] syz.3.77 (7088): drop_caches: 2
[ 167.447001][ T7088] syz.3.77 (7088): drop_caches: 2
[ 167.656320][ T5923] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 309ms
[ 167.710540][ T5923] gfs2: fsid=syz:syz.0: jid=0: Done
[ 167.723639][ T7084] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 167.760052][ T7084] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 167.764517][ T7107] loop1: detected capacity change from 0 to 32768
[ 167.836513][ T7107] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 167.908516][ T7107] CPU: 1 UID: 0 PID: 7107 Comm: syz.1.78 Not tainted syzkaller #0 PREEMPT(full)
[ 167.908543][ T7107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 167.908560][ T7107] Call Trace:
[ 167.908568][ T7107]
[ 167.908576][ T7107] dump_stack_lvl+0xe8/0x150
[ 167.908611][ T7107] sysfs_create_dir_ns+0x271/0x2a0
[ 167.908638][ T7107] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 167.908663][ T7107] ? do_raw_spin_unlock+0xf5/0x210
[ 167.908690][ T7107] kobject_add_internal+0x62b/0xd00
[ 167.908719][ T7107] kobject_init_and_add+0x12b/0x1a0
[ 167.908744][ T7107] ? __pfx_kobject_init_and_add+0x10/0x10
[ 167.908766][ T7107] ? __raw_spin_lock_init+0x45/0x100
[ 167.908790][ T7107] ? __init_swait_queue_head+0xa9/0x150
[ 167.908816][ T7107] gfs2_sys_fs_add+0x257/0x480
[ 167.908840][ T7107] ? is_dynamic_key+0x1ac/0x1c0
[ 167.908867][ T7107] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 167.908899][ T7107] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 167.908934][ T7107] gfs2_fill_super+0x13a7/0x21d0
[ 167.908968][ T7107] ? __pfx_gfs2_fill_super+0x10/0x10
[ 167.908990][ T7107] ? sb_set_blocksize+0x155/0x240
[ 167.909021][ T7107] ? setup_bdev_super+0x4c1/0x5b0
[ 167.909051][ T7107] get_tree_bdev_flags+0x431/0x4f0
[ 167.909078][ T7107] ? __pfx_gfs2_fill_super+0x10/0x10
[ 167.909100][ T7107] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 167.909126][ T7107] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 167.909163][ T7107] gfs2_get_tree+0x51/0x1e0
[ 167.909184][ T7107] vfs_get_tree+0x92/0x2a0
[ 167.909214][ T7107] do_new_mount+0x341/0xd30
[ 167.909239][ T7107] ? apparmor_capable+0x126/0x170
[ 167.909275][ T7107] ? __pfx_do_new_mount+0x10/0x10
[ 167.909301][ T7107] ? ns_capable+0x89/0xe0
[ 167.909339][ T7107] ? user_path_at+0xd4/0x160
[ 167.909366][ T7107] __se_sys_mount+0x31d/0x420
[ 167.909399][ T7107] ? __pfx___se_sys_mount+0x10/0x10
[ 167.909428][ T7107] ? __x64_sys_mount+0x20/0xc0
[ 167.909452][ T7107] do_syscall_64+0x14d/0xf80
[ 167.909478][ T7107] ? trace_irq_disable+0x3b/0x150
[ 167.909499][ T7107] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.909518][ T7107] ? clear_bhb_loop+0x40/0x90
[ 167.909541][ T7107] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.909568][ T7107] RIP: 0033:0x7f1df3181a2a
[ 167.909585][ T7107] 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
[ 167.909602][ T7107] RSP: 002b:00007f1df3f4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 167.909622][ T7107] RAX: ffffffffffffffda RBX: 00007f1df3f4fef0 RCX: 00007f1df3181a2a
[ 167.909636][ T7107] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1df3f4feb0
[ 167.909652][ T7107] RBP: 00000000200124c0 R08: 00007f1df3f4fef0 R09: 0000000000000000
[ 167.909664][ T7107] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 167.909676][ T7107] R13: 00007f1df3f4feb0 R14: 00000000000125b0 R15: 0000000020000480
[ 167.909705][ T7107]
[ 167.909730][ T7107] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 168.402999][ T7107] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 168.785296][ T7122] loop3: detected capacity change from 0 to 32768
[ 168.794952][ T7115] loop4: detected capacity change from 0 to 32768
[ 168.827898][ T7115] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 168.828823][ T7122] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 168.839777][ T7107] syz.1.78 (7107): drop_caches: 2
[ 168.863405][ T7115] CPU: 1 UID: 0 PID: 7115 Comm: syz.4.80 Not tainted syzkaller #0 PREEMPT(full)
[ 168.863431][ T7115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 168.863442][ T7115] Call Trace:
[ 168.863450][ T7115]
[ 168.863458][ T7115] dump_stack_lvl+0xe8/0x150
[ 168.863490][ T7115] sysfs_create_dir_ns+0x271/0x2a0
[ 168.863517][ T7115] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 168.863541][ T7115] ? do_raw_spin_unlock+0xf5/0x210
[ 168.863576][ T7115] kobject_add_internal+0x62b/0xd00
[ 168.863606][ T7115] kobject_init_and_add+0x12b/0x1a0
[ 168.863631][ T7115] ? __pfx_kobject_init_and_add+0x10/0x10
[ 168.863653][ T7115] ? __raw_spin_lock_init+0x45/0x100
[ 168.863675][ T7115] ? __init_swait_queue_head+0xa9/0x150
[ 168.863700][ T7115] gfs2_sys_fs_add+0x257/0x480
[ 168.863723][ T7115] ? is_dynamic_key+0x1ac/0x1c0
[ 168.863749][ T7115] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 168.863781][ T7115] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 168.863816][ T7115] gfs2_fill_super+0x13a7/0x21d0
[ 168.863850][ T7115] ? __pfx_gfs2_fill_super+0x10/0x10
[ 168.863873][ T7115] ? sb_set_blocksize+0x155/0x240
[ 168.863902][ T7115] ? setup_bdev_super+0x4c1/0x5b0
[ 168.863932][ T7115] get_tree_bdev_flags+0x431/0x4f0
[ 168.863960][ T7115] ? __pfx_gfs2_fill_super+0x10/0x10
[ 168.863977][ T7115] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 168.864002][ T7115] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 168.864039][ T7115] gfs2_get_tree+0x51/0x1e0
[ 168.864060][ T7115] vfs_get_tree+0x92/0x2a0
[ 168.864089][ T7115] do_new_mount+0x341/0xd30
[ 168.864110][ T7115] ? apparmor_capable+0x126/0x170
[ 168.864148][ T7115] ? __pfx_do_new_mount+0x10/0x10
[ 168.864177][ T7115] ? ns_capable+0x89/0xe0
[ 168.864214][ T7115] ? user_path_at+0xd4/0x160
[ 168.864241][ T7115] __se_sys_mount+0x31d/0x420
[ 168.864270][ T7115] ? __pfx___se_sys_mount+0x10/0x10
[ 168.864307][ T7115] ? __x64_sys_mount+0x20/0xc0
[ 168.864339][ T7115] do_syscall_64+0x14d/0xf80
[ 168.864370][ T7115] ? trace_irq_disable+0x3b/0x150
[ 168.864401][ T7115] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 168.864421][ T7115] ? clear_bhb_loop+0x40/0x90
[ 168.864444][ T7115] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 168.864462][ T7115] RIP: 0033:0x7fe6de581a2a
[ 168.864481][ T7115] 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
[ 168.864497][ T7115] RSP: 002b:00007fe6df293e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 168.864516][ T7115] RAX: ffffffffffffffda RBX: 00007fe6df293ef0 RCX: 00007fe6de581a2a
[ 168.864529][ T7115] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007fe6df293eb0
[ 168.864542][ T7115] RBP: 00000000200124c0 R08: 00007fe6df293ef0 R09: 0000000000000000
[ 168.864554][ T7115] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 168.864565][ T7115] R13: 00007fe6df293eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 168.864595][ T7115]
[ 168.864618][ T7115] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 168.998684][ T7107] syz.1.78 (7107): drop_caches: 2
[ 169.000745][ T7122] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 169.231370][ T7115] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 169.274013][ T7122] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 169.316878][ T5923] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 169.330380][ T5923] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 169.352210][ T7115] syz.4.80 (7115): drop_caches: 2
[ 169.369583][ T7115] syz.4.80 (7115): drop_caches: 2
[ 169.516811][ T7124] loop2: detected capacity change from 0 to 32768
[ 169.561771][ T7124] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 169.628730][ T7124] CPU: 1 UID: 0 PID: 7124 Comm: syz.2.79 Not tainted syzkaller #0 PREEMPT(full)
[ 169.628757][ T7124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 169.628769][ T7124] Call Trace:
[ 169.628777][ T7124]
[ 169.628784][ T7124] dump_stack_lvl+0xe8/0x150
[ 169.628819][ T7124] sysfs_create_dir_ns+0x271/0x2a0
[ 169.628845][ T7124] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 169.628870][ T7124] ? do_raw_spin_unlock+0xf5/0x210
[ 169.628897][ T7124] kobject_add_internal+0x62b/0xd00
[ 169.628925][ T7124] kobject_init_and_add+0x12b/0x1a0
[ 169.628951][ T7124] ? __pfx_kobject_init_and_add+0x10/0x10
[ 169.628972][ T7124] ? __raw_spin_lock_init+0x45/0x100
[ 169.628995][ T7124] ? __init_swait_queue_head+0xa9/0x150
[ 169.629020][ T7124] gfs2_sys_fs_add+0x257/0x480
[ 169.629041][ T7124] ? is_dynamic_key+0x1ac/0x1c0
[ 169.629067][ T7124] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 169.629096][ T7124] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 169.629131][ T7124] gfs2_fill_super+0x13a7/0x21d0
[ 169.629164][ T7124] ? __pfx_gfs2_fill_super+0x10/0x10
[ 169.629187][ T7124] ? sb_set_blocksize+0x155/0x240
[ 169.629218][ T7124] ? setup_bdev_super+0x4c1/0x5b0
[ 169.629249][ T7124] get_tree_bdev_flags+0x431/0x4f0
[ 169.629277][ T7124] ? __pfx_gfs2_fill_super+0x10/0x10
[ 169.629295][ T7124] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 169.629320][ T7124] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 169.629356][ T7124] gfs2_get_tree+0x51/0x1e0
[ 169.629378][ T7124] vfs_get_tree+0x92/0x2a0
[ 169.629415][ T7124] do_new_mount+0x341/0xd30
[ 169.629435][ T7124] ? apparmor_capable+0x126/0x170
[ 169.629470][ T7124] ? __pfx_do_new_mount+0x10/0x10
[ 169.629492][ T7124] ? ns_capable+0x89/0xe0
[ 169.629529][ T7124] ? user_path_at+0xd4/0x160
[ 169.629556][ T7124] __se_sys_mount+0x31d/0x420
[ 169.629584][ T7124] ? __pfx___se_sys_mount+0x10/0x10
[ 169.629612][ T7124] ? __x64_sys_mount+0x20/0xc0
[ 169.629637][ T7124] do_syscall_64+0x14d/0xf80
[ 169.629663][ T7124] ? trace_irq_disable+0x3b/0x150
[ 169.629684][ T7124] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 169.629703][ T7124] ? clear_bhb_loop+0x40/0x90
[ 169.629726][ T7124] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 169.629745][ T7124] RIP: 0033:0x7f1704581a2a
[ 169.629762][ T7124] 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
[ 169.629779][ T7124] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 169.629799][ T7124] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 169.629813][ T7124] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 169.629825][ T7124] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 169.629837][ T7124] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 169.629849][ T7124] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 169.629878][ T7124]
[ 169.629911][ T7124] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 169.956662][ T5923] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 626ms
[ 169.964185][ T7124] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 169.970527][ T5923] gfs2: fsid=syz:syz.0: jid=0: Done
[ 169.982427][ T7122] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 170.084871][ T7124] syz.2.79 (7124): drop_caches: 2
[ 170.137422][ T7124] syz.2.79 (7124): drop_caches: 2
[ 170.287241][ T7122] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 170.349275][ T7122] syz.3.81 (7122): drop_caches: 2
[ 170.378221][ T7122] syz.3.81 (7122): drop_caches: 2
[ 170.403256][ T7137] loop0: detected capacity change from 0 to 32768
[ 170.414956][ T7148] loop1: detected capacity change from 0 to 32768
[ 170.450248][ T7137] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 170.469031][ T7148] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 170.495681][ T7137] CPU: 0 UID: 0 PID: 7137 Comm: syz.0.82 Not tainted syzkaller #0 PREEMPT(full)
[ 170.495706][ T7137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 170.495717][ T7137] Call Trace:
[ 170.495724][ T7137]
[ 170.495731][ T7137] dump_stack_lvl+0xe8/0x150
[ 170.495765][ T7137] sysfs_create_dir_ns+0x271/0x2a0
[ 170.495790][ T7137] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 170.495812][ T7137] ? do_raw_spin_unlock+0xf5/0x210
[ 170.495838][ T7137] kobject_add_internal+0x62b/0xd00
[ 170.495865][ T7137] kobject_init_and_add+0x12b/0x1a0
[ 170.495887][ T7137] ? __pfx_kobject_init_and_add+0x10/0x10
[ 170.495909][ T7137] ? __raw_spin_lock_init+0x45/0x100
[ 170.495933][ T7137] ? __init_swait_queue_head+0xa9/0x150
[ 170.495958][ T7137] gfs2_sys_fs_add+0x257/0x480
[ 170.495979][ T7137] ? is_dynamic_key+0x1ac/0x1c0
[ 170.496005][ T7137] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 170.496037][ T7137] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 170.496070][ T7137] gfs2_fill_super+0x13a7/0x21d0
[ 170.496104][ T7137] ? __pfx_gfs2_fill_super+0x10/0x10
[ 170.496126][ T7137] ? sb_set_blocksize+0x155/0x240
[ 170.496156][ T7137] ? setup_bdev_super+0x4c1/0x5b0
[ 170.496196][ T7137] get_tree_bdev_flags+0x431/0x4f0
[ 170.496222][ T7137] ? __pfx_gfs2_fill_super+0x10/0x10
[ 170.496240][ T7137] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 170.496264][ T7137] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 170.496303][ T7137] gfs2_get_tree+0x51/0x1e0
[ 170.496324][ T7137] vfs_get_tree+0x92/0x2a0
[ 170.496353][ T7137] do_new_mount+0x341/0xd30
[ 170.496374][ T7137] ? apparmor_capable+0x126/0x170
[ 170.496414][ T7137] ? __pfx_do_new_mount+0x10/0x10
[ 170.496436][ T7137] ? ns_capable+0x89/0xe0
[ 170.496472][ T7137] ? user_path_at+0xd4/0x160
[ 170.496499][ T7137] __se_sys_mount+0x31d/0x420
[ 170.496528][ T7137] ? __pfx___se_sys_mount+0x10/0x10
[ 170.496557][ T7137] ? __x64_sys_mount+0x20/0xc0
[ 170.496582][ T7137] do_syscall_64+0x14d/0xf80
[ 170.496609][ T7137] ? trace_irq_disable+0x3b/0x150
[ 170.496629][ T7137] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 170.496648][ T7137] ? clear_bhb_loop+0x40/0x90
[ 170.496670][ T7137] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 170.496689][ T7137] RIP: 0033:0x7f12b1981a2a
[ 170.496706][ T7137] 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
[ 170.496723][ T7137] RSP: 002b:00007f12b268de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 170.496743][ T7137] RAX: ffffffffffffffda RBX: 00007f12b268def0 RCX: 00007f12b1981a2a
[ 170.496756][ T7137] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12b268deb0
[ 170.496769][ T7137] RBP: 00000000200124c0 R08: 00007f12b268def0 R09: 0000000000000000
[ 170.496781][ T7137] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 170.496793][ T7137] R13: 00007f12b268deb0 R14: 00000000000125b0 R15: 0000000020000480
[ 170.496823][ T7137]
[ 170.496848][ T7137] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 170.557639][ T7148] CPU: 1 UID: 0 PID: 7148 Comm: syz.1.83 Not tainted syzkaller #0 PREEMPT(full)
[ 170.557670][ T7148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 170.557682][ T7148] Call Trace:
[ 170.557689][ T7148]
[ 170.557697][ T7148] dump_stack_lvl+0xe8/0x150
[ 170.557730][ T7148] sysfs_create_dir_ns+0x271/0x2a0
[ 170.557756][ T7148] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 170.557779][ T7148] ? do_raw_spin_unlock+0xf5/0x210
[ 170.557806][ T7148] kobject_add_internal+0x62b/0xd00
[ 170.557833][ T7148] kobject_init_and_add+0x12b/0x1a0
[ 170.557857][ T7148] ? __pfx_kobject_init_and_add+0x10/0x10
[ 170.557877][ T7148] ? __raw_spin_lock_init+0x45/0x100
[ 170.557900][ T7148] ? __init_swait_queue_head+0xa9/0x150
[ 170.557926][ T7148] gfs2_sys_fs_add+0x257/0x480
[ 170.557948][ T7148] ? is_dynamic_key+0x1ac/0x1c0
[ 170.557974][ T7148] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 170.558004][ T7148] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 170.558039][ T7148] gfs2_fill_super+0x13a7/0x21d0
[ 170.558071][ T7148] ? __pfx_gfs2_fill_super+0x10/0x10
[ 170.558093][ T7148] ? sb_set_blocksize+0x155/0x240
[ 170.558122][ T7148] ? setup_bdev_super+0x4c1/0x5b0
[ 170.558151][ T7148] get_tree_bdev_flags+0x431/0x4f0
[ 170.558177][ T7148] ? __pfx_gfs2_fill_super+0x10/0x10
[ 170.558194][ T7148] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 170.558218][ T7148] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 170.558254][ T7148] gfs2_get_tree+0x51/0x1e0
[ 170.558274][ T7148] vfs_get_tree+0x92/0x2a0
[ 170.558303][ T7148] do_new_mount+0x341/0xd30
[ 170.558323][ T7148] ? apparmor_capable+0x126/0x170
[ 170.558353][ T7148] ? __pfx_do_new_mount+0x10/0x10
[ 170.558374][ T7148] ? ns_capable+0x89/0xe0
[ 170.558410][ T7148] ? user_path_at+0xd4/0x160
[ 170.558436][ T7148] __se_sys_mount+0x31d/0x420
[ 170.558463][ T7148] ? __pfx___se_sys_mount+0x10/0x10
[ 170.558495][ T7148] ? __x64_sys_mount+0x20/0xc0
[ 170.558519][ T7148] do_syscall_64+0x14d/0xf80
[ 170.558543][ T7148] ? trace_irq_disable+0x3b/0x150
[ 170.558563][ T7148] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 170.558581][ T7148] ? clear_bhb_loop+0x40/0x90
[ 170.558603][ T7148] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 170.558621][ T7148] RIP: 0033:0x7f1df3181a2a
[ 170.558638][ T7148] 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
[ 170.558653][ T7148] RSP: 002b:00007f1df3f4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 170.558678][ T7148] RAX: ffffffffffffffda RBX: 00007f1df3f4fef0 RCX: 00007f1df3181a2a
[ 170.558692][ T7148] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1df3f4feb0
[ 170.558704][ T7148] RBP: 00000000200124c0 R08: 00007f1df3f4fef0 R09: 0000000000000000
[ 170.558715][ T7148] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 170.558727][ T7148] R13: 00007f1df3f4feb0 R14: 00000000000125b0 R15: 0000000020000480
[ 170.558754][ T7148]
[ 170.558778][ T7148] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 170.728553][ T7137] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 170.812150][ T7148] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 171.215658][ T7148] syz.1.83 (7148): drop_caches: 2
[ 171.258856][ T7148] syz.1.83 (7148): drop_caches: 2
2026/03/09 23:36:50 executed programs: 82
[ 171.821274][ T7152] loop4: detected capacity change from 0 to 32768
[ 171.822942][ T7164] loop2: detected capacity change from 0 to 32768
[ 171.862904][ T7152] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 171.882827][ T7152] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 171.883407][ T7164] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 171.913031][ T7164] CPU: 0 UID: 0 PID: 7164 Comm: syz.2.85 Not tainted syzkaller #0 PREEMPT(full)
[ 171.913056][ T7164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 171.913066][ T7164] Call Trace:
[ 171.913074][ T7164]
[ 171.913106][ T7164] dump_stack_lvl+0xe8/0x150
[ 171.913140][ T7164] sysfs_create_dir_ns+0x271/0x2a0
[ 171.913167][ T7164] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 171.913192][ T7164] ? do_raw_spin_unlock+0xf5/0x210
[ 171.913219][ T7164] kobject_add_internal+0x62b/0xd00
[ 171.913248][ T7164] kobject_init_and_add+0x12b/0x1a0
[ 171.913273][ T7164] ? __pfx_kobject_init_and_add+0x10/0x10
[ 171.913295][ T7164] ? __raw_spin_lock_init+0x45/0x100
[ 171.913319][ T7164] ? __init_swait_queue_head+0xa9/0x150
[ 171.913345][ T7164] gfs2_sys_fs_add+0x257/0x480
[ 171.913368][ T7164] ? is_dynamic_key+0x1ac/0x1c0
[ 171.913396][ T7164] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 171.913428][ T7164] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 171.913463][ T7164] gfs2_fill_super+0x13a7/0x21d0
[ 171.913496][ T7164] ? __pfx_gfs2_fill_super+0x10/0x10
[ 171.913519][ T7164] ? sb_set_blocksize+0x155/0x240
[ 171.913550][ T7164] ? setup_bdev_super+0x4c1/0x5b0
[ 171.913581][ T7164] get_tree_bdev_flags+0x431/0x4f0
[ 171.913606][ T7164] ? __pfx_gfs2_fill_super+0x10/0x10
[ 171.913624][ T7164] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 171.913649][ T7164] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 171.913686][ T7164] gfs2_get_tree+0x51/0x1e0
[ 171.913707][ T7164] vfs_get_tree+0x92/0x2a0
[ 171.913737][ T7164] do_new_mount+0x341/0xd30
[ 171.913757][ T7164] ? apparmor_capable+0x126/0x170
[ 171.913790][ T7164] ? __pfx_do_new_mount+0x10/0x10
[ 171.913812][ T7164] ? ns_capable+0x89/0xe0
[ 171.913849][ T7164] ? user_path_at+0xd4/0x160
[ 171.913876][ T7164] __se_sys_mount+0x31d/0x420
[ 171.913904][ T7164] ? __pfx___se_sys_mount+0x10/0x10
[ 171.913932][ T7164] ? __x64_sys_mount+0x20/0xc0
[ 171.913957][ T7164] do_syscall_64+0x14d/0xf80
[ 171.913982][ T7164] ? trace_irq_disable+0x3b/0x150
[ 171.914004][ T7164] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 171.914023][ T7164] ? clear_bhb_loop+0x40/0x90
[ 171.914046][ T7164] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 171.914065][ T7164] RIP: 0033:0x7f1704581a2a
[ 171.914089][ T7164] 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
[ 171.914105][ T7164] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 171.914125][ T7164] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 171.914138][ T7164] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 171.914151][ T7164] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 171.914163][ T7164] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 171.914175][ T7164] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 171.914204][ T7164]
[ 171.914240][ T7164] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 172.110540][ T7152] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 172.249801][ T7164] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 172.257400][ T5923] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 172.272148][ T5923] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 172.354703][ T7164] syz.2.85 (7164): drop_caches: 2
[ 172.363339][ T7164] syz.2.85 (7164): drop_caches: 2
[ 172.547488][ T5923] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 275ms
[ 172.578258][ T5923] gfs2: fsid=syz:syz.0: jid=0: Done
[ 172.609341][ T7152] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 172.643358][ T7152] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 172.938787][ T7179] loop1: detected capacity change from 0 to 32768
[ 172.975003][ T7179] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 173.018665][ T7179] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 173.103651][ T7179] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 173.125104][ T5923] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 173.138212][ T5923] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 173.392112][ T5923] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 253ms
[ 173.409646][ T7186] loop0: detected capacity change from 0 to 32768
[ 173.419908][ T5923] gfs2: fsid=syz:syz.0: jid=0: Done
[ 173.439300][ T7179] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 173.452976][ T7186] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 173.480994][ T7186] CPU: 0 UID: 0 PID: 7186 Comm: syz.0.88 Not tainted syzkaller #0 PREEMPT(full)
[ 173.481020][ T7186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 173.481032][ T7186] Call Trace:
[ 173.481039][ T7186]
[ 173.481047][ T7186] dump_stack_lvl+0xe8/0x150
[ 173.481082][ T7186] sysfs_create_dir_ns+0x271/0x2a0
[ 173.481108][ T7186] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 173.481133][ T7186] ? do_raw_spin_unlock+0xf5/0x210
[ 173.481160][ T7186] kobject_add_internal+0x62b/0xd00
[ 173.481189][ T7186] kobject_init_and_add+0x12b/0x1a0
[ 173.481214][ T7186] ? __pfx_kobject_init_and_add+0x10/0x10
[ 173.481235][ T7186] ? __raw_spin_lock_init+0x45/0x100
[ 173.481259][ T7186] ? __init_swait_queue_head+0xa9/0x150
[ 173.481286][ T7186] gfs2_sys_fs_add+0x257/0x480
[ 173.481309][ T7186] ? is_dynamic_key+0x1ac/0x1c0
[ 173.481335][ T7186] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 173.481367][ T7186] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 173.481402][ T7186] gfs2_fill_super+0x13a7/0x21d0
[ 173.481435][ T7186] ? __pfx_gfs2_fill_super+0x10/0x10
[ 173.481457][ T7186] ? sb_set_blocksize+0x155/0x240
[ 173.481488][ T7186] ? setup_bdev_super+0x4c1/0x5b0
[ 173.481518][ T7186] get_tree_bdev_flags+0x431/0x4f0
[ 173.481546][ T7186] ? __pfx_gfs2_fill_super+0x10/0x10
[ 173.481564][ T7186] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 173.481593][ T7186] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 173.481629][ T7186] gfs2_get_tree+0x51/0x1e0
[ 173.481650][ T7186] vfs_get_tree+0x92/0x2a0
[ 173.481681][ T7186] do_new_mount+0x341/0xd30
[ 173.481700][ T7186] ? apparmor_capable+0x126/0x170
[ 173.481732][ T7186] ? __pfx_do_new_mount+0x10/0x10
[ 173.481752][ T7186] ? ns_capable+0x89/0xe0
[ 173.481788][ T7186] ? user_path_at+0xd4/0x160
[ 173.481813][ T7186] __se_sys_mount+0x31d/0x420
[ 173.481839][ T7186] ? __pfx___se_sys_mount+0x10/0x10
[ 173.481865][ T7186] ? __x64_sys_mount+0x20/0xc0
[ 173.481888][ T7186] do_syscall_64+0x14d/0xf80
[ 173.481920][ T7186] ? trace_irq_disable+0x3b/0x150
[ 173.481941][ T7186] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 173.481960][ T7186] ? clear_bhb_loop+0x40/0x90
[ 173.481980][ T7186] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 173.481998][ T7186] RIP: 0033:0x7f12b1981a2a
[ 173.482015][ T7186] 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
[ 173.482030][ T7186] RSP: 002b:00007f12b268de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 173.482051][ T7186] RAX: ffffffffffffffda RBX: 00007f12b268def0 RCX: 00007f12b1981a2a
[ 173.482065][ T7186] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12b268deb0
[ 173.482079][ T7186] RBP: 00000000200124c0 R08: 00007f12b268def0 R09: 0000000000000000
[ 173.482091][ T7186] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 173.482102][ T7186] R13: 00007f12b268deb0 R14: 00000000000125b0 R15: 0000000020000480
[ 173.482132][ T7186]
[ 173.490156][ T7186] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 173.667910][ T7188] loop3: detected capacity change from 0 to 32768
[ 173.802509][ T7186] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 173.876349][ T7188] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 173.936772][ T7188] CPU: 0 UID: 0 PID: 7188 Comm: syz.3.86 Not tainted syzkaller #0 PREEMPT(full)
[ 173.936799][ T7188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 173.936810][ T7188] Call Trace:
[ 173.936818][ T7188]
[ 173.936826][ T7188] dump_stack_lvl+0xe8/0x150
[ 173.936858][ T7188] sysfs_create_dir_ns+0x271/0x2a0
[ 173.936885][ T7188] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 173.936910][ T7188] ? do_raw_spin_unlock+0xf5/0x210
[ 173.936937][ T7188] kobject_add_internal+0x62b/0xd00
[ 173.936965][ T7188] kobject_init_and_add+0x12b/0x1a0
[ 173.936989][ T7188] ? __pfx_kobject_init_and_add+0x10/0x10
[ 173.937010][ T7188] ? __raw_spin_lock_init+0x45/0x100
[ 173.937034][ T7188] ? __init_swait_queue_head+0xa9/0x150
[ 173.937060][ T7188] gfs2_sys_fs_add+0x257/0x480
[ 173.937082][ T7188] ? is_dynamic_key+0x1ac/0x1c0
[ 173.937109][ T7188] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 173.937140][ T7188] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 173.937175][ T7188] gfs2_fill_super+0x13a7/0x21d0
[ 173.937207][ T7188] ? __pfx_gfs2_fill_super+0x10/0x10
[ 173.937230][ T7188] ? sb_set_blocksize+0x155/0x240
[ 173.937269][ T7188] ? setup_bdev_super+0x4c1/0x5b0
[ 173.937298][ T7188] get_tree_bdev_flags+0x431/0x4f0
[ 173.937325][ T7188] ? __pfx_gfs2_fill_super+0x10/0x10
[ 173.937343][ T7188] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 173.937367][ T7188] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 173.937403][ T7188] gfs2_get_tree+0x51/0x1e0
[ 173.937424][ T7188] vfs_get_tree+0x92/0x2a0
[ 173.937453][ T7188] do_new_mount+0x341/0xd30
[ 173.937472][ T7188] ? apparmor_capable+0x126/0x170
[ 173.937505][ T7188] ? __pfx_do_new_mount+0x10/0x10
[ 173.937527][ T7188] ? ns_capable+0x89/0xe0
[ 173.937562][ T7188] ? user_path_at+0xd4/0x160
[ 173.937589][ T7188] __se_sys_mount+0x31d/0x420
[ 173.937617][ T7188] ? __pfx___se_sys_mount+0x10/0x10
[ 173.937646][ T7188] ? __x64_sys_mount+0x20/0xc0
[ 173.937670][ T7188] do_syscall_64+0x14d/0xf80
[ 173.937695][ T7188] ? trace_irq_disable+0x3b/0x150
[ 173.937716][ T7188] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 173.937735][ T7188] ? clear_bhb_loop+0x40/0x90
[ 173.937757][ T7188] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 173.937774][ T7188] RIP: 0033:0x7f12eab81a2a
[ 173.937792][ T7188] 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
[ 173.937808][ T7188] RSP: 002b:00007f12eb895e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 173.937828][ T7188] RAX: ffffffffffffffda RBX: 00007f12eb895ef0 RCX: 00007f12eab81a2a
[ 173.937841][ T7188] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f12eb895eb0
[ 173.937854][ T7188] RBP: 00000000200124c0 R08: 00007f12eb895ef0 R09: 0000000000000000
[ 173.937866][ T7188] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 173.937877][ T7188] R13: 00007f12eb895eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 173.937913][ T7188]
[ 173.937939][ T7188] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 173.941998][ T7179] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 174.012889][ T7186] syz.0.88 (7186): drop_caches: 2
[ 174.015606][ T7188] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 174.076170][ T7199] loop2: detected capacity change from 0 to 32768
[ 174.136388][ T7179] syz.1.87 (7179): drop_caches: 2
[ 174.161095][ T7186] syz.0.88 (7186): drop_caches: 2
[ 174.166886][ T7188] syz.3.86 (7188): drop_caches: 2
[ 174.305806][ T7188] syz.3.86 (7188): drop_caches: 2
[ 174.314671][ T7179] syz.1.87 (7179): drop_caches: 2
[ 174.327633][ T7199] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 174.337368][ T7199] CPU: 0 UID: 0 PID: 7199 Comm: syz.2.89 Not tainted syzkaller #0 PREEMPT(full)
[ 174.337393][ T7199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 174.337404][ T7199] Call Trace:
[ 174.337412][ T7199]
[ 174.337420][ T7199] dump_stack_lvl+0xe8/0x150
[ 174.337453][ T7199] sysfs_create_dir_ns+0x271/0x2a0
[ 174.337480][ T7199] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 174.337505][ T7199] ? do_raw_spin_unlock+0xf5/0x210
[ 174.337533][ T7199] kobject_add_internal+0x62b/0xd00
[ 174.337562][ T7199] kobject_init_and_add+0x12b/0x1a0
[ 174.337587][ T7199] ? __pfx_kobject_init_and_add+0x10/0x10
[ 174.337609][ T7199] ? __raw_spin_lock_init+0x45/0x100
[ 174.337633][ T7199] ? __init_swait_queue_head+0xa9/0x150
[ 174.337659][ T7199] gfs2_sys_fs_add+0x257/0x480
[ 174.337682][ T7199] ? is_dynamic_key+0x1ac/0x1c0
[ 174.337710][ T7199] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 174.337741][ T7199] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 174.337777][ T7199] gfs2_fill_super+0x13a7/0x21d0
[ 174.337811][ T7199] ? __pfx_gfs2_fill_super+0x10/0x10
[ 174.337834][ T7199] ? sb_set_blocksize+0x155/0x240
[ 174.337864][ T7199] ? setup_bdev_super+0x4c1/0x5b0
[ 174.337901][ T7199] get_tree_bdev_flags+0x431/0x4f0
[ 174.337930][ T7199] ? __pfx_gfs2_fill_super+0x10/0x10
[ 174.337948][ T7199] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 174.337974][ T7199] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 174.338011][ T7199] gfs2_get_tree+0x51/0x1e0
[ 174.338032][ T7199] vfs_get_tree+0x92/0x2a0
[ 174.338062][ T7199] do_new_mount+0x341/0xd30
[ 174.338083][ T7199] ? apparmor_capable+0x126/0x170
[ 174.338116][ T7199] ? __pfx_do_new_mount+0x10/0x10
[ 174.338138][ T7199] ? ns_capable+0x89/0xe0
[ 174.338174][ T7199] ? user_path_at+0xd4/0x160
[ 174.338201][ T7199] __se_sys_mount+0x31d/0x420
[ 174.338229][ T7199] ? __pfx___se_sys_mount+0x10/0x10
[ 174.338258][ T7199] ? __x64_sys_mount+0x20/0xc0
[ 174.338283][ T7199] do_syscall_64+0x14d/0xf80
[ 174.338309][ T7199] ? trace_irq_disable+0x3b/0x150
[ 174.338330][ T7199] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 174.338349][ T7199] ? clear_bhb_loop+0x40/0x90
[ 174.338370][ T7199] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 174.338389][ T7199] RIP: 0033:0x7f1704581a2a
[ 174.338408][ T7199] 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
[ 174.338423][ T7199] RSP: 002b:00007f1705380e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 174.338443][ T7199] RAX: ffffffffffffffda RBX: 00007f1705380ef0 RCX: 00007f1704581a2a
[ 174.338457][ T7199] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007f1705380eb0
[ 174.338469][ T7199] RBP: 00000000200124c0 R08: 00007f1705380ef0 R09: 0000000000000000
[ 174.338481][ T7199] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 174.338492][ T7199] R13: 00007f1705380eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 174.338521][ T7199]
[ 174.338545][ T7199] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 174.665255][ T7199] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 174.718467][ T7208] loop4: detected capacity change from 0 to 32768
[ 174.737916][ T7208] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 174.746176][ T7208] CPU: 0 UID: 0 PID: 7208 Comm: syz.4.90 Not tainted syzkaller #0 PREEMPT(full)
[ 174.746202][ T7208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 174.746214][ T7208] Call Trace:
[ 174.746221][ T7208]
[ 174.746229][ T7208] dump_stack_lvl+0xe8/0x150
[ 174.746261][ T7208] sysfs_create_dir_ns+0x271/0x2a0
[ 174.746288][ T7208] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 174.746313][ T7208] ? do_raw_spin_unlock+0xf5/0x210
[ 174.746341][ T7208] kobject_add_internal+0x62b/0xd00
[ 174.746370][ T7208] kobject_init_and_add+0x12b/0x1a0
[ 174.746396][ T7208] ? __pfx_kobject_init_and_add+0x10/0x10
[ 174.746418][ T7208] ? __raw_spin_lock_init+0x45/0x100
[ 174.746442][ T7208] ? __init_swait_queue_head+0xa9/0x150
[ 174.746469][ T7208] gfs2_sys_fs_add+0x257/0x480
[ 174.746491][ T7208] ? is_dynamic_key+0x1ac/0x1c0
[ 174.746518][ T7208] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 174.746550][ T7208] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 174.746586][ T7208] gfs2_fill_super+0x13a7/0x21d0
[ 174.746620][ T7208] ? __pfx_gfs2_fill_super+0x10/0x10
[ 174.746643][ T7208] ? sb_set_blocksize+0x155/0x240
[ 174.746674][ T7208] ? setup_bdev_super+0x4c1/0x5b0
[ 174.746704][ T7208] get_tree_bdev_flags+0x431/0x4f0
[ 174.746732][ T7208] ? __pfx_gfs2_fill_super+0x10/0x10
[ 174.746757][ T7208] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 174.746783][ T7208] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 174.746821][ T7208] gfs2_get_tree+0x51/0x1e0
[ 174.746842][ T7208] vfs_get_tree+0x92/0x2a0
[ 174.746872][ T7208] do_new_mount+0x341/0xd30
[ 174.746893][ T7208] ? apparmor_capable+0x126/0x170
[ 174.746926][ T7208] ? __pfx_do_new_mount+0x10/0x10
[ 174.746947][ T7208] ? ns_capable+0x89/0xe0
[ 174.746985][ T7208] ? user_path_at+0xd4/0x160
[ 174.747016][ T7208] __se_sys_mount+0x31d/0x420
[ 174.747052][ T7208] ? __pfx___se_sys_mount+0x10/0x10
[ 174.747082][ T7208] ? __x64_sys_mount+0x20/0xc0
[ 174.747106][ T7208] do_syscall_64+0x14d/0xf80
[ 174.747133][ T7208] ? trace_irq_disable+0x3b/0x150
[ 174.747163][ T7208] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 174.747183][ T7208] ? clear_bhb_loop+0x40/0x90
[ 174.747205][ T7208] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 174.747230][ T7208] RIP: 0033:0x7fe6de581a2a
[ 174.747248][ T7208] 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
[ 174.747270][ T7208] RSP: 002b:00007fe6df293e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 174.747294][ T7208] RAX: ffffffffffffffda RBX: 00007fe6df293ef0 RCX: 00007fe6de581a2a
[ 174.747308][ T7208] RDX: 00000000200124c0 RSI: 0000000020000180 RDI: 00007fe6df293eb0
[ 174.747321][ T7208] RBP: 00000000200124c0 R08: 00007fe6df293ef0 R09: 0000000000000000
[ 174.747333][ T7208] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
[ 174.747345][ T7208] R13: 00007fe6df293eb0 R14: 00000000000125b0 R15: 0000000020000480
[ 174.747375][ T7208]
[ 174.747411][ T7208] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 174.804099][ T7199] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_slot_ref" failed - function = gfs2_qd_dispose, file = fs/gfs2/quota.c, line = 130
[ 174.969862][ T6330] ------------[ cut here ]------------
[ 174.987587][ T7208] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 174.995736][ T6330] kernel BUG at fs/gfs2/quota.c:331!
[ 174.995785][ T6330] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
[ 175.089614][ T6330] CPU: 0 UID: 0 PID: 6330 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 175.099065][ T6330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 175.109170][ T6330] RIP: 0010:qd_put+0x1a2/0x1b0
[ 175.113944][ T6330] Code: 0c fe e9 da fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 6f ff ff ff 48 89 ef e8 39 5c 0c fe e9 62 ff ff ff e8 ff 31 a3 fd 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
[ 175.133549][ T6330] RSP: 0018:ffffc90004617be8 EFLAGS: 00010293
[ 175.139609][ T6330] RAX: ffffffff84235e81 RBX: ffff888062e40bd0 RCX: ffff888027c3db80
[ 175.147570][ T6330] RDX: 0000000000000000 RSI: 00000000ffffff80 RDI: 0000000000000000
[ 175.155529][ T6330] RBP: 00000000ffffff80 R08: 0000000000000003 R09: 0000000000000004
[ 175.163575][ T6330] R10: dffffc0000000000 R11: fffff520008c2f64 R12: ffff888062e40c40
[ 175.171541][ T6330] R13: dffffc0000000000 R14: ffff888062e40c00 R15: 1ffff1100c5c8188
[ 175.179601][ T6330] FS: 0000555588b1c500(0000) GS:ffff888125441000(0000) knlGS:0000000000000000
[ 175.188526][ T6330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 175.195103][ T6330] CR2: 00007fe282764000 CR3: 000000007b6c0000 CR4: 00000000003526f0
[ 175.203065][ T6330] Call Trace:
[ 175.206334][ T6330]
[ 175.209336][ T6330] gfs2_quota_sync+0x3cf/0x470
[ 175.214094][ T6330] gfs2_sync_fs+0x4c/0xb0
[ 175.218413][ T6330] sync_filesystem+0xee/0x230
[ 175.223080][ T6330] generic_shutdown_super+0x77/0x2d0
[ 175.228444][ T6330] kill_block_super+0x44/0x90
[ 175.233136][ T6330] deactivate_locked_super+0xbc/0x130
[ 175.238498][ T6330] cleanup_mnt+0x437/0x4d0
[ 175.242902][ T6330] ? _raw_spin_unlock_irq+0x23/0x50
[ 175.248093][ T6330] task_work_run+0x1d9/0x270
[ 175.252680][ T6330] ? __pfx_task_work_run+0x10/0x10
[ 175.257788][ T6330] exit_to_user_mode_loop+0xed/0x480
[ 175.263063][ T6330] ? rcu_is_watching+0x15/0xb0
[ 175.267822][ T6330] do_syscall_64+0x32d/0xf80
[ 175.272399][ T6330] ? trace_irq_disable+0x3b/0x150
[ 175.277422][ T6330] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 175.283496][ T6330] ? clear_bhb_loop+0x40/0x90
[ 175.288264][ T6330] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 175.294162][ T6330] RIP: 0033:0x7f1df31819f7
[ 175.298564][ T6330] Code: a2 c7 05 7c bb 16 00 00 00 00 00 eb 96 e8 81 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 175.318187][ T6330] RSP: 002b:00007ffc0498e788 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 175.326597][ T6330] RAX: 0000000000000000 RBX: 00007f1df31fde43 RCX: 00007f1df31819f7
[ 175.334558][ T6330] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc0498e840
[ 175.342519][ T6330] RBP: 00007ffc0498e840 R08: 00007ffc0498f840 R09: 00000000ffffffff
[ 175.350492][ T6330] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc0498f910
[ 175.358466][ T6330] R13: 00007f1df31fde43 R14: 000000000002a943 R15: 0000000000029d40
[ 175.366432][ T6330]
[ 175.369437][ T6330] Modules linked in:
[ 175.375002][ T6330] ---[ end trace 0000000000000000 ]---
[ 175.381240][ T6330] RIP: 0010:qd_put+0x1a2/0x1b0
[ 175.386040][ T6330] Code: 0c fe e9 da fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 6f ff ff ff 48 89 ef e8 39 5c 0c fe e9 62 ff ff ff e8 ff 31 a3 fd 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90
[ 175.405731][ T6330] RSP: 0018:ffffc90004617be8 EFLAGS: 00010293
[ 175.411870][ T6330] RAX: ffffffff84235e81 RBX: ffff888062e40bd0 RCX: ffff888027c3db80
[ 175.419925][ T6330] RDX: 0000000000000000 RSI: 00000000ffffff80 RDI: 0000000000000000
[ 175.427983][ T6330] RBP: 00000000ffffff80 R08: 0000000000000003 R09: 0000000000000004
[ 175.436017][ T6330] R10: dffffc0000000000 R11: fffff520008c2f64 R12: ffff888062e40c40
[ 175.444135][ T6330] R13: dffffc0000000000 R14: ffff888062e40c00 R15: 1ffff1100c5c8188
[ 175.453307][ T6330] FS: 0000555588b1c500(0000) GS:ffff888125441000(0000) knlGS:0000000000000000
[ 175.463221][ T6330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 175.469822][ T6330] CR2: 00007fe282764000 CR3: 000000007b6c0000 CR4: 00000000003526f0
[ 175.478258][ T6330] Kernel panic - not syncing: Fatal exception
[ 175.484623][ T6330] Kernel Offset: disabled
[ 175.488934][ T6330] Rebooting in 86400 seconds..