6][ T6189] Call trace: [ 209.916411][ T6189] dump_backtrace+0x0/0x43c [ 209.917161][ T6189] show_stack+0x2c/0x3c [ 209.917769][ T6189] __dump_stack+0x30/0x40 [ 209.918488][ T6189] dump_stack_lvl+0xf8/0x160 [ 209.919161][ T6189] dump_stack+0x1c/0x5c [ 209.919856][ T6189] sysfs_create_dir_ns+0x22c/0x24c [ 209.920697][ T6189] kobject_add_internal+0x590/0xc54 [ 209.921561][ T6189] kobject_init_and_add+0x118/0x17c [ 209.922394][ T6189] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.923087][ T6189] gfs2_fill_super+0xdac/0x19e0 [ 209.923816][ T6189] get_tree_bdev+0x358/0x544 [ 209.924520][ T6189] gfs2_get_tree+0x54/0x1b4 [ 209.925138][ T6189] vfs_get_tree+0x90/0x274 [ 209.925769][ T6189] do_new_mount+0x228/0x810 [ 209.926456][ T6189] path_mount+0x5b4/0x1000 [ 209.927109][ T6189] __arm64_sys_mount+0x514/0x5e4 [ 209.927818][ T6189] invoke_syscall+0x98/0x2b8 [ 209.928462][ T6189] el0_svc_common+0x138/0x258 [ 209.929204][ T6189] do_el0_svc+0x58/0x14c [ 209.929856][ T6189] el0_svc+0x78/0x1e0 [ 209.930463][ T6189] el0t_64_sync_handler+0xcc/0xe4 [ 209.931234][ T6189] el0t_64_sync+0x1a0/0x1a4 [ 209.933423][ T6189] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.935500][ T6189] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.999343][ T6191] chnl_net:caif_netlink_parms(): no params data found [ 210.016297][ T6191] bridge0: port 1(bridge_slave_0) entered blocking state [ 210.017989][ T6191] bridge0: port 1(bridge_slave_0) entered disabled state [ 210.019435][ T6191] device bridge_slave_0 entered promiscuous mode [ 210.021437][ T6191] bridge0: port 2(bridge_slave_1) entered blocking state [ 210.022538][ T6191] bridge0: port 2(bridge_slave_1) entered disabled state [ 210.023926][ T6191] device bridge_slave_1 entered promiscuous mode [ 210.032411][ T6191] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 210.034835][ T6191] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 210.042245][ T6191] team0: Port device team_slave_0 added [ 210.044099][ T6191] team0: Port device team_slave_1 added [ 210.050721][ T6191] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 210.051755][ T6191] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 210.055582][ T6191] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 210.057851][ T6191] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 210.058850][ T6191] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 210.062567][ T6191] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 210.127628][ T6191] device hsr_slave_0 entered promiscuous mode [ 210.166835][ T6191] device hsr_slave_1 entered promiscuous mode [ 210.206628][ T6191] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 210.207850][ T6191] Cannot create hsr debugfs directory [ 210.243755][ T6191] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 210.421730][ T6191] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 210.680611][ T6191] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 210.723824][ T6191] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 210.858658][ T6191] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 210.912878][ T6191] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 210.947631][ T6191] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 211.003364][ T6191] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 211.063111][ T6191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 211.074600][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 211.076144][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 211.079687][ T6191] 8021q: adding VLAN 0 to HW filter on device team0 [ 211.089705][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 211.091351][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 211.092857][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 211.093887][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 211.095232][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 211.097604][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 211.099179][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 211.100335][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 211.102171][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 211.103781][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 211.105368][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 211.108742][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 211.111564][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 211.112957][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 211.114515][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 211.116097][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 211.118751][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 211.120221][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 211.122702][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 211.124193][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 211.126535][ T6191] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 211.166330][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 211.167794][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 211.171566][ T6191] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 211.177937][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 211.179503][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 211.185548][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 211.187722][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 211.189262][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 211.190638][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 211.195348][ T6191] device veth0_vlan entered promiscuous mode [ 211.198774][ T6191] device veth1_vlan entered promiscuous mode [ 211.206019][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 211.208279][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 211.209826][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 211.211260][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 211.213684][ T6191] device veth0_macvtap entered promiscuous mode [ 211.216002][ T6191] device veth1_macvtap entered promiscuous mode [ 211.224037][ T6191] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 211.225842][ T6191] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 211.227749][ T6191] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 211.229410][ T6191] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 211.231551][ T6191] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 211.232968][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 211.234558][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 211.235953][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 211.238163][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 211.240859][ T6191] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 211.242486][ T6191] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 211.244019][ T6191] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 211.245646][ T6191] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 211.248378][ T6191] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 211.249537][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 211.251257][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 211.253745][ T6191] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 211.254903][ T6191] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 211.256297][ T6191] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 211.258121][ T6191] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 211.281398][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 211.283231][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 211.285267][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 211.291252][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 211.292491][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 211.294105][ T1616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:03:31 executed programs: 604 [ 211.441334][ T6209] loop1: detected capacity change from 0 to 32768 [ 211.491168][ T6209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.492413][ T6209] CPU: 1 PID: 6209 Comm: syz.1.618 Not tainted syzkaller #0 [ 211.493613][ T6209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.495166][ T6209] Call trace: [ 211.495722][ T6209] dump_backtrace+0x0/0x43c [ 211.496451][ T6209] show_stack+0x2c/0x3c [ 211.497071][ T6209] __dump_stack+0x30/0x40 [ 211.497707][ T6209] dump_stack_lvl+0xf8/0x160 [ 211.498373][ T6209] dump_stack+0x1c/0x5c [ 211.498987][ T6209] sysfs_create_dir_ns+0x22c/0x24c [ 211.499846][ T6209] kobject_add_internal+0x590/0xc54 [ 211.500681][ T6209] kobject_init_and_add+0x118/0x17c [ 211.501540][ T6209] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.502343][ T6209] gfs2_fill_super+0xdac/0x19e0 [ 211.503148][ T6209] get_tree_bdev+0x358/0x544 [ 211.503892][ T6209] gfs2_get_tree+0x54/0x1b4 [ 211.504590][ T6209] vfs_get_tree+0x90/0x274 [ 211.505265][ T6209] do_new_mount+0x228/0x810 [ 211.505984][ T6209] path_mount+0x5b4/0x1000 [ 211.506701][ T6209] __arm64_sys_mount+0x514/0x5e4 [ 211.507521][ T6209] invoke_syscall+0x98/0x2b8 [ 211.508334][ T6209] el0_svc_common+0x138/0x258 [ 211.509123][ T6209] do_el0_svc+0x58/0x14c [ 211.509822][ T6209] el0_svc+0x78/0x1e0 [ 211.510483][ T6209] el0t_64_sync_handler+0xcc/0xe4 [ 211.511248][ T6209] el0t_64_sync+0x1a0/0x1a4 [ 211.514293][ T6209] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.516245][ T6209] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.651785][ T6211] loop1: detected capacity change from 0 to 32768 [ 211.702855][ T6211] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.704096][ T6211] CPU: 0 PID: 6211 Comm: syz.1.619 Not tainted syzkaller #0 [ 211.705344][ T6211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.706963][ T6211] Call trace: [ 211.707496][ T6211] dump_backtrace+0x0/0x43c [ 211.708234][ T6211] show_stack+0x2c/0x3c [ 211.708916][ T6211] __dump_stack+0x30/0x40 [ 211.709598][ T6211] dump_stack_lvl+0xf8/0x160 [ 211.710318][ T6211] dump_stack+0x1c/0x5c [ 211.710943][ T6211] sysfs_create_dir_ns+0x22c/0x24c [ 211.711737][ T6211] kobject_add_internal+0x590/0xc54 [ 211.712642][ T6211] kobject_init_and_add+0x118/0x17c [ 211.713406][ T6211] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.714131][ T6211] gfs2_fill_super+0xdac/0x19e0 [ 211.714900][ T6211] get_tree_bdev+0x358/0x544 [ 211.715699][ T6211] gfs2_get_tree+0x54/0x1b4 [ 211.716391][ T6211] vfs_get_tree+0x90/0x274 [ 211.717080][ T6211] do_new_mount+0x228/0x810 [ 211.717775][ T6211] path_mount+0x5b4/0x1000 [ 211.718445][ T6211] __arm64_sys_mount+0x514/0x5e4 [ 211.719188][ T6211] invoke_syscall+0x98/0x2b8 [ 211.719851][ T6211] el0_svc_common+0x138/0x258 [ 211.720548][ T6211] do_el0_svc+0x58/0x14c [ 211.721261][ T6211] el0_svc+0x78/0x1e0 [ 211.721891][ T6211] el0t_64_sync_handler+0xcc/0xe4 [ 211.722712][ T6211] el0t_64_sync+0x1a0/0x1a4 [ 211.724941][ T6211] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.726877][ T6211] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.854390][ T6213] loop1: detected capacity change from 0 to 32768 [ 211.887874][ T6213] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.889005][ T6213] CPU: 0 PID: 6213 Comm: syz.1.620 Not tainted syzkaller #0 [ 211.890191][ T6213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.891720][ T6213] Call trace: [ 211.892295][ T6213] dump_backtrace+0x0/0x43c [ 211.892992][ T6213] show_stack+0x2c/0x3c [ 211.893549][ T6213] __dump_stack+0x30/0x40 [ 211.894126][ T6213] dump_stack_lvl+0xf8/0x160 [ 211.894791][ T6213] dump_stack+0x1c/0x5c [ 211.895475][ T6213] sysfs_create_dir_ns+0x22c/0x24c [ 211.896254][ T6213] kobject_add_internal+0x590/0xc54 [ 211.897068][ T6213] kobject_init_and_add+0x118/0x17c [ 211.897898][ T6213] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.898735][ T6213] gfs2_fill_super+0xdac/0x19e0 [ 211.899509][ T6213] get_tree_bdev+0x358/0x544 [ 211.900210][ T6213] gfs2_get_tree+0x54/0x1b4 [ 211.900925][ T6213] vfs_get_tree+0x90/0x274 [ 211.901636][ T6213] do_new_mount+0x228/0x810 [ 211.902318][ T6213] path_mount+0x5b4/0x1000 [ 211.902983][ T6213] __arm64_sys_mount+0x514/0x5e4 [ 211.903743][ T6213] invoke_syscall+0x98/0x2b8 [ 211.904398][ T6213] el0_svc_common+0x138/0x258 [ 211.905071][ T6213] do_el0_svc+0x58/0x14c [ 211.905699][ T6213] el0_svc+0x78/0x1e0 [ 211.906262][ T6213] el0t_64_sync_handler+0xcc/0xe4 [ 211.907001][ T6213] el0t_64_sync+0x1a0/0x1a4 [ 211.909376][ T6213] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.911538][ T6213] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.913472][ T9] device hsr_slave_0 left promiscuous mode [ 211.959987][ T9] device hsr_slave_1 left promiscuous mode [ 212.026865][ T4181] Bluetooth: hci2: command 0x0409 tx timeout [ 212.046647][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 212.047798][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 212.049248][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 212.050280][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 212.051796][ T9] device bridge_slave_1 left promiscuous mode [ 212.052784][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 212.087131][ T9] device bridge_slave_0 left promiscuous mode [ 212.088072][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 212.106264][ T6215] loop1: detected capacity change from 0 to 32768 [ 212.202001][ T6215] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.203051][ T6215] CPU: 1 PID: 6215 Comm: syz.1.621 Not tainted syzkaller #0 [ 212.204179][ T6215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.205728][ T6215] Call trace: [ 212.206216][ T6215] dump_backtrace+0x0/0x43c [ 212.206910][ T6215] show_stack+0x2c/0x3c [ 212.207549][ T6215] __dump_stack+0x30/0x40 [ 212.208212][ T6215] dump_stack_lvl+0xf8/0x160 [ 212.208995][ T6215] dump_stack+0x1c/0x5c [ 212.209687][ T6215] sysfs_create_dir_ns+0x22c/0x24c [ 212.211004][ T6215] kobject_add_internal+0x590/0xc54 [ 212.211764][ T6215] kobject_init_and_add+0x118/0x17c [ 212.212567][ T6215] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.213371][ T6215] gfs2_fill_super+0xdac/0x19e0 [ 212.214164][ T6215] get_tree_bdev+0x358/0x544 [ 212.214951][ T6215] gfs2_get_tree+0x54/0x1b4 [ 212.215701][ T6215] vfs_get_tree+0x90/0x274 [ 212.216241][ T6215] do_new_mount+0x228/0x810 [ 212.216817][ T6215] path_mount+0x5b4/0x1000 [ 212.217408][ T6215] __arm64_sys_mount+0x514/0x5e4 [ 212.218099][ T6215] invoke_syscall+0x98/0x2b8 [ 212.218729][ T6215] el0_svc_common+0x138/0x258 [ 212.219410][ T6215] do_el0_svc+0x58/0x14c [ 212.220014][ T6215] el0_svc+0x78/0x1e0 [ 212.220575][ T6215] el0t_64_sync_handler+0xcc/0xe4 [ 212.221273][ T6215] el0t_64_sync+0x1a0/0x1a4 [ 212.222450][ T6215] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.224280][ T6215] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.228628][ T9] device veth1_macvtap left promiscuous mode [ 212.229563][ T9] device veth0_macvtap left promiscuous mode [ 212.230575][ T9] device veth1_vlan left promiscuous mode [ 212.231387][ T9] device veth0_vlan left promiscuous mode [ 212.345156][ T9] team0 (unregistering): Port device team_slave_1 removed [ 212.349673][ T9] team0 (unregistering): Port device team_slave_0 removed [ 212.353298][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 212.377904][ T6217] loop1: detected capacity change from 0 to 32768 [ 212.382646][ T6217] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.383881][ T6217] CPU: 1 PID: 6217 Comm: syz.1.622 Not tainted syzkaller #0 [ 212.384946][ T6217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.386499][ T6217] Call trace: [ 212.386958][ T6217] dump_backtrace+0x0/0x43c [ 212.387635][ T6217] show_stack+0x2c/0x3c [ 212.388280][ T6217] __dump_stack+0x30/0x40 [ 212.389021][ T6217] dump_stack_lvl+0xf8/0x160 [ 212.389776][ T6217] dump_stack+0x1c/0x5c [ 212.390424][ T6217] sysfs_create_dir_ns+0x22c/0x24c [ 212.391194][ T6217] kobject_add_internal+0x590/0xc54 [ 212.391999][ T6217] kobject_init_and_add+0x118/0x17c [ 212.392823][ T6217] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.393560][ T6217] gfs2_fill_super+0xdac/0x19e0 [ 212.394301][ T6217] get_tree_bdev+0x358/0x544 [ 212.394983][ T6217] gfs2_get_tree+0x54/0x1b4 [ 212.395583][ T6217] vfs_get_tree+0x90/0x274 [ 212.396216][ T6217] do_new_mount+0x228/0x810 [ 212.396903][ T6217] path_mount+0x5b4/0x1000 [ 212.397552][ T6217] __arm64_sys_mount+0x514/0x5e4 [ 212.398229][ T6217] invoke_syscall+0x98/0x2b8 [ 212.398874][ T6217] el0_svc_common+0x138/0x258 [ 212.399520][ T6217] do_el0_svc+0x58/0x14c [ 212.400120][ T6217] el0_svc+0x78/0x1e0 [ 212.400702][ T6217] el0t_64_sync_handler+0xcc/0xe4 [ 212.401465][ T6217] el0t_64_sync+0x1a0/0x1a4 [ 212.402304][ T6217] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.402888][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 212.404082][ T6217] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.509644][ T9] bond0 (unregistering): Released all slaves [ 212.651001][ T6220] loop1: detected capacity change from 0 to 32768 [ 212.692471][ T6220] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.693722][ T6220] CPU: 0 PID: 6220 Comm: syz.1.623 Not tainted syzkaller #0 [ 212.694790][ T6220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.696291][ T6220] Call trace: [ 212.696796][ T6220] dump_backtrace+0x0/0x43c [ 212.697511][ T6220] show_stack+0x2c/0x3c [ 212.698128][ T6220] __dump_stack+0x30/0x40 [ 212.698840][ T6220] dump_stack_lvl+0xf8/0x160 [ 212.699480][ T6220] dump_stack+0x1c/0x5c [ 212.700090][ T6220] sysfs_create_dir_ns+0x22c/0x24c [ 212.700857][ T6220] kobject_add_internal+0x590/0xc54 [ 212.701626][ T6220] kobject_init_and_add+0x118/0x17c [ 212.702394][ T6220] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.703199][ T6220] gfs2_fill_super+0xdac/0x19e0 [ 212.703954][ T6220] get_tree_bdev+0x358/0x544 [ 212.704644][ T6220] gfs2_get_tree+0x54/0x1b4 [ 212.705313][ T6220] vfs_get_tree+0x90/0x274 [ 212.706064][ T6220] do_new_mount+0x228/0x810 [ 212.706778][ T6220] path_mount+0x5b4/0x1000 [ 212.707519][ T6220] __arm64_sys_mount+0x514/0x5e4 [ 212.708265][ T6220] invoke_syscall+0x98/0x2b8 [ 212.708912][ T6220] el0_svc_common+0x138/0x258 [ 212.709592][ T6220] do_el0_svc+0x58/0x14c [ 212.710231][ T6220] el0_svc+0x78/0x1e0 [ 212.710833][ T6220] el0t_64_sync_handler+0xcc/0xe4 [ 212.711586][ T6220] el0t_64_sync+0x1a0/0x1a4 [ 212.713703][ T6220] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.715541][ T6220] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.854679][ T6222] loop1: detected capacity change from 0 to 32768 [ 212.863317][ T6222] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.864469][ T6222] CPU: 0 PID: 6222 Comm: syz.1.624 Not tainted syzkaller #0 [ 212.865470][ T6222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.866909][ T6222] Call trace: [ 212.867405][ T6222] dump_backtrace+0x0/0x43c [ 212.868095][ T6222] show_stack+0x2c/0x3c [ 212.868712][ T6222] __dump_stack+0x30/0x40 [ 212.869436][ T6222] dump_stack_lvl+0xf8/0x160 [ 212.870143][ T6222] dump_stack+0x1c/0x5c [ 212.870754][ T6222] sysfs_create_dir_ns+0x22c/0x24c [ 212.871511][ T6222] kobject_add_internal+0x590/0xc54 [ 212.872318][ T6222] kobject_init_and_add+0x118/0x17c [ 212.873120][ T6222] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.873874][ T6222] gfs2_fill_super+0xdac/0x19e0 [ 212.874587][ T6222] get_tree_bdev+0x358/0x544 [ 212.875227][ T6222] gfs2_get_tree+0x54/0x1b4 [ 212.875886][ T6222] vfs_get_tree+0x90/0x274 [ 212.876485][ T6222] do_new_mount+0x228/0x810 [ 212.877115][ T6222] path_mount+0x5b4/0x1000 [ 212.877794][ T6222] __arm64_sys_mount+0x514/0x5e4 [ 212.878557][ T6222] invoke_syscall+0x98/0x2b8 [ 212.879190][ T6222] el0_svc_common+0x138/0x258 [ 212.879966][ T6222] do_el0_svc+0x58/0x14c [ 212.880573][ T6222] el0_svc+0x78/0x1e0 [ 212.881136][ T6222] el0t_64_sync_handler+0xcc/0xe4 [ 212.881884][ T6222] el0t_64_sync+0x1a0/0x1a4 [ 212.882914][ T6222] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.884862][ T6222] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.120491][ T6224] loop1: detected capacity change from 0 to 32768 [ 213.166280][ T6224] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.167494][ T6224] CPU: 1 PID: 6224 Comm: syz.1.625 Not tainted syzkaller #0 [ 213.168526][ T6224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.170020][ T6224] Call trace: [ 213.170468][ T6224] dump_backtrace+0x0/0x43c [ 213.171111][ T6224] show_stack+0x2c/0x3c [ 213.171728][ T6224] __dump_stack+0x30/0x40 [ 213.172324][ T6224] dump_stack_lvl+0xf8/0x160 [ 213.172971][ T6224] dump_stack+0x1c/0x5c [ 213.173660][ T6224] sysfs_create_dir_ns+0x22c/0x24c [ 213.174475][ T6224] kobject_add_internal+0x590/0xc54 [ 213.175329][ T6224] kobject_init_and_add+0x118/0x17c [ 213.176135][ T6224] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.176862][ T6224] gfs2_fill_super+0xdac/0x19e0 [ 213.177602][ T6224] get_tree_bdev+0x358/0x544 [ 213.178229][ T6224] gfs2_get_tree+0x54/0x1b4 [ 213.178856][ T6224] vfs_get_tree+0x90/0x274 [ 213.179539][ T6224] do_new_mount+0x228/0x810 [ 213.180228][ T6224] path_mount+0x5b4/0x1000 [ 213.180906][ T6224] __arm64_sys_mount+0x514/0x5e4 [ 213.181672][ T6224] invoke_syscall+0x98/0x2b8 [ 213.182325][ T6224] el0_svc_common+0x138/0x258 [ 213.183053][ T6224] do_el0_svc+0x58/0x14c [ 213.183674][ T6224] el0_svc+0x78/0x1e0 [ 213.184287][ T6224] el0t_64_sync_handler+0xcc/0xe4 [ 213.185100][ T6224] el0t_64_sync+0x1a0/0x1a4 [ 213.187334][ T6224] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.189298][ T6224] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.314859][ T6226] loop1: detected capacity change from 0 to 32768 [ 213.401466][ T6226] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.402626][ T6226] CPU: 0 PID: 6226 Comm: syz.1.626 Not tainted syzkaller #0 [ 213.403639][ T6226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.404967][ T6226] Call trace: [ 213.405464][ T6226] dump_backtrace+0x0/0x43c [ 213.406079][ T6226] show_stack+0x2c/0x3c [ 213.406754][ T6226] __dump_stack+0x30/0x40 [ 213.407412][ T6226] dump_stack_lvl+0xf8/0x160 [ 213.408166][ T6226] dump_stack+0x1c/0x5c [ 213.408805][ T6226] sysfs_create_dir_ns+0x22c/0x24c [ 213.409553][ T6226] kobject_add_internal+0x590/0xc54 [ 213.410342][ T6226] kobject_init_and_add+0x118/0x17c [ 213.411106][ T6226] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.411794][ T6226] gfs2_fill_super+0xdac/0x19e0 [ 213.412516][ T6226] get_tree_bdev+0x358/0x544 [ 213.413190][ T6226] gfs2_get_tree+0x54/0x1b4 [ 213.413837][ T6226] vfs_get_tree+0x90/0x274 [ 213.414560][ T6226] do_new_mount+0x228/0x810 [ 213.415234][ T6226] path_mount+0x5b4/0x1000 [ 213.415931][ T6226] __arm64_sys_mount+0x514/0x5e4 [ 213.416787][ T6226] invoke_syscall+0x98/0x2b8 [ 213.417513][ T6226] el0_svc_common+0x138/0x258 [ 213.418320][ T6226] do_el0_svc+0x58/0x14c [ 213.418976][ T6226] el0_svc+0x78/0x1e0 [ 213.419581][ T6226] el0t_64_sync_handler+0xcc/0xe4 [ 213.420367][ T6226] el0t_64_sync+0x1a0/0x1a4 [ 213.421175][ T6226] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.423091][ T6226] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.562695][ T6228] loop1: detected capacity change from 0 to 32768 [ 213.569578][ T6228] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.570680][ T6228] CPU: 1 PID: 6228 Comm: syz.1.627 Not tainted syzkaller #0 [ 213.571636][ T6228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.573066][ T6228] Call trace: [ 213.573523][ T6228] dump_backtrace+0x0/0x43c [ 213.574129][ T6228] show_stack+0x2c/0x3c [ 213.574656][ T6228] __dump_stack+0x30/0x40 [ 213.575291][ T6228] dump_stack_lvl+0xf8/0x160 [ 213.575880][ T6228] dump_stack+0x1c/0x5c [ 213.576488][ T6228] sysfs_create_dir_ns+0x22c/0x24c [ 213.577331][ T6228] kobject_add_internal+0x590/0xc54 [ 213.578069][ T6228] kobject_init_and_add+0x118/0x17c [ 213.578958][ T6228] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.579679][ T6228] gfs2_fill_super+0xdac/0x19e0 [ 213.580396][ T6228] get_tree_bdev+0x358/0x544 [ 213.581052][ T6228] gfs2_get_tree+0x54/0x1b4 [ 213.581772][ T6228] vfs_get_tree+0x90/0x274 [ 213.582442][ T6228] do_new_mount+0x228/0x810 [ 213.583079][ T6228] path_mount+0x5b4/0x1000 [ 213.583757][ T6228] __arm64_sys_mount+0x514/0x5e4 [ 213.584477][ T6228] invoke_syscall+0x98/0x2b8 [ 213.585146][ T6228] el0_svc_common+0x138/0x258 [ 213.585843][ T6228] do_el0_svc+0x58/0x14c [ 213.586501][ T6228] el0_svc+0x78/0x1e0 [ 213.587095][ T6228] el0t_64_sync_handler+0xcc/0xe4 [ 213.587841][ T6228] el0t_64_sync+0x1a0/0x1a4 [ 213.590507][ T6228] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.592462][ T6228] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.726536][ T6230] loop1: detected capacity change from 0 to 32768 [ 213.767924][ T6230] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.769143][ T6230] CPU: 0 PID: 6230 Comm: syz.1.628 Not tainted syzkaller #0 [ 213.770301][ T6230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.771789][ T6230] Call trace: [ 213.772312][ T6230] dump_backtrace+0x0/0x43c [ 213.773033][ T6230] show_stack+0x2c/0x3c [ 213.773660][ T6230] __dump_stack+0x30/0x40 [ 213.774334][ T6230] dump_stack_lvl+0xf8/0x160 [ 213.775136][ T6230] dump_stack+0x1c/0x5c [ 213.775732][ T6230] sysfs_create_dir_ns+0x22c/0x24c [ 213.776409][ T6230] kobject_add_internal+0x590/0xc54 [ 213.777171][ T6230] kobject_init_and_add+0x118/0x17c [ 213.777961][ T6230] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.778703][ T6230] gfs2_fill_super+0xdac/0x19e0 [ 213.779423][ T6230] get_tree_bdev+0x358/0x544 [ 213.780065][ T6230] gfs2_get_tree+0x54/0x1b4 [ 213.780696][ T6230] vfs_get_tree+0x90/0x274 [ 213.781338][ T6230] do_new_mount+0x228/0x810 [ 213.781973][ T6230] path_mount+0x5b4/0x1000 [ 213.782637][ T6230] __arm64_sys_mount+0x514/0x5e4 [ 213.783356][ T6230] invoke_syscall+0x98/0x2b8 [ 213.784051][ T6230] el0_svc_common+0x138/0x258 [ 213.784757][ T6230] do_el0_svc+0x58/0x14c [ 213.785466][ T6230] el0_svc+0x78/0x1e0 [ 213.786043][ T6230] el0t_64_sync_handler+0xcc/0xe4 [ 213.786766][ T6230] el0t_64_sync+0x1a0/0x1a4 [ 213.796913][ T6230] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.799036][ T6230] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.939233][ T6232] loop1: detected capacity change from 0 to 32768 [ 213.981776][ T6232] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.982860][ T6232] CPU: 1 PID: 6232 Comm: syz.1.629 Not tainted syzkaller #0 [ 213.983910][ T6232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.985259][ T6232] Call trace: [ 213.985680][ T6232] dump_backtrace+0x0/0x43c [ 213.986317][ T6232] show_stack+0x2c/0x3c [ 213.986855][ T6232] __dump_stack+0x30/0x40 [ 213.987454][ T6232] dump_stack_lvl+0xf8/0x160 [ 213.988241][ T6232] dump_stack+0x1c/0x5c [ 213.988829][ T6232] sysfs_create_dir_ns+0x22c/0x24c [ 213.989572][ T6232] kobject_add_internal+0x590/0xc54 [ 213.990356][ T6232] kobject_init_and_add+0x118/0x17c [ 213.991065][ T6232] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.991756][ T6232] gfs2_fill_super+0xdac/0x19e0 [ 213.992466][ T6232] get_tree_bdev+0x358/0x544 [ 213.993140][ T6232] gfs2_get_tree+0x54/0x1b4 [ 213.993803][ T6232] vfs_get_tree+0x90/0x274 [ 213.994507][ T6232] do_new_mount+0x228/0x810 [ 213.995135][ T6232] path_mount+0x5b4/0x1000 [ 213.995730][ T6232] __arm64_sys_mount+0x514/0x5e4 [ 213.996478][ T6232] invoke_syscall+0x98/0x2b8 [ 213.997195][ T6232] el0_svc_common+0x138/0x258 [ 213.997842][ T6232] do_el0_svc+0x58/0x14c [ 213.998500][ T6232] el0_svc+0x78/0x1e0 [ 213.999144][ T6232] el0t_64_sync_handler+0xcc/0xe4 [ 213.999956][ T6232] el0t_64_sync+0x1a0/0x1a4 [ 214.008314][ T6232] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.010466][ T6232] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.106680][ T4186] Bluetooth: hci2: command 0x041b tx timeout [ 214.155056][ T6234] loop1: detected capacity change from 0 to 32768 [ 214.160023][ T6234] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.161344][ T6234] CPU: 1 PID: 6234 Comm: syz.1.630 Not tainted syzkaller #0 [ 214.162514][ T6234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.163960][ T6234] Call trace: [ 214.164415][ T6234] dump_backtrace+0x0/0x43c [ 214.165039][ T6234] show_stack+0x2c/0x3c [ 214.165695][ T6234] __dump_stack+0x30/0x40 [ 214.166320][ T6234] dump_stack_lvl+0xf8/0x160 [ 214.167024][ T6234] dump_stack+0x1c/0x5c [ 214.167607][ T6234] sysfs_create_dir_ns+0x22c/0x24c [ 214.168358][ T6234] kobject_add_internal+0x590/0xc54 [ 214.169137][ T6234] kobject_init_and_add+0x118/0x17c [ 214.169906][ T6234] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.170699][ T6234] gfs2_fill_super+0xdac/0x19e0 [ 214.171353][ T6234] get_tree_bdev+0x358/0x544 [ 214.172014][ T6234] gfs2_get_tree+0x54/0x1b4 [ 214.172664][ T6234] vfs_get_tree+0x90/0x274 [ 214.173241][ T6234] do_new_mount+0x228/0x810 [ 214.173902][ T6234] path_mount+0x5b4/0x1000 [ 214.174567][ T6234] __arm64_sys_mount+0x514/0x5e4 [ 214.175257][ T6234] invoke_syscall+0x98/0x2b8 [ 214.175948][ T6234] el0_svc_common+0x138/0x258 [ 214.176612][ T6234] do_el0_svc+0x58/0x14c [ 214.177236][ T6234] el0_svc+0x78/0x1e0 [ 214.177800][ T6234] el0t_64_sync_handler+0xcc/0xe4 [ 214.178521][ T6234] el0t_64_sync+0x1a0/0x1a4 [ 214.179382][ T6234] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.181278][ T6234] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.334489][ T6236] loop1: detected capacity change from 0 to 32768 [ 214.361004][ T6236] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.362174][ T6236] CPU: 0 PID: 6236 Comm: syz.1.631 Not tainted syzkaller #0 [ 214.363252][ T6236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.364787][ T6236] Call trace: [ 214.365262][ T6236] dump_backtrace+0x0/0x43c [ 214.365959][ T6236] show_stack+0x2c/0x3c [ 214.366562][ T6236] __dump_stack+0x30/0x40 [ 214.367222][ T6236] dump_stack_lvl+0xf8/0x160 [ 214.367821][ T6236] dump_stack+0x1c/0x5c [ 214.368422][ T6236] sysfs_create_dir_ns+0x22c/0x24c [ 214.369160][ T6236] kobject_add_internal+0x590/0xc54 [ 214.370009][ T6236] kobject_init_and_add+0x118/0x17c [ 214.370821][ T6236] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.371567][ T6236] gfs2_fill_super+0xdac/0x19e0 [ 214.372303][ T6236] get_tree_bdev+0x358/0x544 [ 214.373019][ T6236] gfs2_get_tree+0x54/0x1b4 [ 214.373748][ T6236] vfs_get_tree+0x90/0x274 [ 214.374391][ T6236] do_new_mount+0x228/0x810 [ 214.375090][ T6236] path_mount+0x5b4/0x1000 [ 214.375740][ T6236] __arm64_sys_mount+0x514/0x5e4 [ 214.376423][ T6236] invoke_syscall+0x98/0x2b8 [ 214.377138][ T6236] el0_svc_common+0x138/0x258 [ 214.377904][ T6236] do_el0_svc+0x58/0x14c [ 214.378548][ T6236] el0_svc+0x78/0x1e0 [ 214.379146][ T6236] el0t_64_sync_handler+0xcc/0xe4 [ 214.379935][ T6236] el0t_64_sync+0x1a0/0x1a4 [ 214.382262][ T6236] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.384482][ T6236] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.521715][ T6238] loop1: detected capacity change from 0 to 32768 [ 214.529335][ T6238] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.530555][ T6238] CPU: 0 PID: 6238 Comm: syz.1.632 Not tainted syzkaller #0 [ 214.531515][ T6238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.532970][ T6238] Call trace: [ 214.533472][ T6238] dump_backtrace+0x0/0x43c [ 214.534078][ T6238] show_stack+0x2c/0x3c [ 214.534655][ T6238] __dump_stack+0x30/0x40 [ 214.535351][ T6238] dump_stack_lvl+0xf8/0x160 [ 214.536032][ T6238] dump_stack+0x1c/0x5c [ 214.536729][ T6238] sysfs_create_dir_ns+0x22c/0x24c [ 214.537530][ T6238] kobject_add_internal+0x590/0xc54 [ 214.538248][ T6238] kobject_init_and_add+0x118/0x17c [ 214.539018][ T6238] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.539713][ T6238] gfs2_fill_super+0xdac/0x19e0 [ 214.540374][ T6238] get_tree_bdev+0x358/0x544 [ 214.541084][ T6238] gfs2_get_tree+0x54/0x1b4 [ 214.541796][ T6238] vfs_get_tree+0x90/0x274 [ 214.542521][ T6238] do_new_mount+0x228/0x810 [ 214.543277][ T6238] path_mount+0x5b4/0x1000 [ 214.543975][ T6238] __arm64_sys_mount+0x514/0x5e4 [ 214.544672][ T6238] invoke_syscall+0x98/0x2b8 [ 214.545373][ T6238] el0_svc_common+0x138/0x258 [ 214.546105][ T6238] do_el0_svc+0x58/0x14c [ 214.546769][ T6238] el0_svc+0x78/0x1e0 [ 214.547380][ T6238] el0t_64_sync_handler+0xcc/0xe4 [ 214.548154][ T6238] el0t_64_sync+0x1a0/0x1a4 [ 214.550357][ T6238] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.552282][ T6238] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.680809][ T6240] loop1: detected capacity change from 0 to 32768 [ 214.738167][ T6240] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.739364][ T6240] CPU: 1 PID: 6240 Comm: syz.1.633 Not tainted syzkaller #0 [ 214.740361][ T6240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.741713][ T6240] Call trace: [ 214.742192][ T6240] dump_backtrace+0x0/0x43c [ 214.742829][ T6240] show_stack+0x2c/0x3c [ 214.743431][ T6240] __dump_stack+0x30/0x40 [ 214.744045][ T6240] dump_stack_lvl+0xf8/0x160 [ 214.744717][ T6240] dump_stack+0x1c/0x5c [ 214.745296][ T6240] sysfs_create_dir_ns+0x22c/0x24c [ 214.746095][ T6240] kobject_add_internal+0x590/0xc54 [ 214.746853][ T6240] kobject_init_and_add+0x118/0x17c [ 214.747680][ T6240] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.748430][ T6240] gfs2_fill_super+0xdac/0x19e0 [ 214.749148][ T6240] get_tree_bdev+0x358/0x544 [ 214.749859][ T6240] gfs2_get_tree+0x54/0x1b4 [ 214.750515][ T6240] vfs_get_tree+0x90/0x274 [ 214.751154][ T6240] do_new_mount+0x228/0x810 [ 214.751905][ T6240] path_mount+0x5b4/0x1000 [ 214.752580][ T6240] __arm64_sys_mount+0x514/0x5e4 [ 214.753260][ T6240] invoke_syscall+0x98/0x2b8 [ 214.753943][ T6240] el0_svc_common+0x138/0x258 [ 214.754628][ T6240] do_el0_svc+0x58/0x14c [ 214.755217][ T6240] el0_svc+0x78/0x1e0 [ 214.755801][ T6240] el0t_64_sync_handler+0xcc/0xe4 [ 214.756585][ T6240] el0t_64_sync+0x1a0/0x1a4 [ 214.758677][ T6240] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.760814][ T6240] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.886497][ T6242] loop1: detected capacity change from 0 to 32768 [ 214.927838][ T6242] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.929151][ T6242] CPU: 1 PID: 6242 Comm: syz.1.634 Not tainted syzkaller #0 [ 214.930168][ T6242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.931603][ T6242] Call trace: [ 214.932126][ T6242] dump_backtrace+0x0/0x43c [ 214.932760][ T6242] show_stack+0x2c/0x3c [ 214.933281][ T6242] __dump_stack+0x30/0x40 [ 214.933886][ T6242] dump_stack_lvl+0xf8/0x160 [ 214.934533][ T6242] dump_stack+0x1c/0x5c [ 214.935118][ T6242] sysfs_create_dir_ns+0x22c/0x24c [ 214.935813][ T6242] kobject_add_internal+0x590/0xc54 [ 214.936483][ T6242] kobject_init_and_add+0x118/0x17c [ 214.937202][ T6242] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.937893][ T6242] gfs2_fill_super+0xdac/0x19e0 [ 214.938660][ T6242] get_tree_bdev+0x358/0x544 [ 214.939404][ T6242] gfs2_get_tree+0x54/0x1b4 [ 214.939997][ T6242] vfs_get_tree+0x90/0x274 [ 214.940666][ T6242] do_new_mount+0x228/0x810 [ 214.941331][ T6242] path_mount+0x5b4/0x1000 [ 214.941961][ T6242] __arm64_sys_mount+0x514/0x5e4 [ 214.942693][ T6242] invoke_syscall+0x98/0x2b8 [ 214.943342][ T6242] el0_svc_common+0x138/0x258 [ 214.944072][ T6242] do_el0_svc+0x58/0x14c [ 214.944711][ T6242] el0_svc+0x78/0x1e0 [ 214.945307][ T6242] el0t_64_sync_handler+0xcc/0xe4 [ 214.946048][ T6242] el0t_64_sync+0x1a0/0x1a4 [ 214.948403][ T6242] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.950178][ T6242] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.188018][ T6244] loop1: detected capacity change from 0 to 32768 [ 215.250904][ T6244] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.251995][ T6244] CPU: 1 PID: 6244 Comm: syz.1.635 Not tainted syzkaller #0 [ 215.253014][ T6244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.254494][ T6244] Call trace: [ 215.254967][ T6244] dump_backtrace+0x0/0x43c [ 215.255671][ T6244] show_stack+0x2c/0x3c [ 215.256281][ T6244] __dump_stack+0x30/0x40 [ 215.256915][ T6244] dump_stack_lvl+0xf8/0x160 [ 215.257610][ T6244] dump_stack+0x1c/0x5c [ 215.258219][ T6244] sysfs_create_dir_ns+0x22c/0x24c [ 215.258966][ T6244] kobject_add_internal+0x590/0xc54 [ 215.259725][ T6244] kobject_init_and_add+0x118/0x17c [ 215.260443][ T6244] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.261177][ T6244] gfs2_fill_super+0xdac/0x19e0 [ 215.261890][ T6244] get_tree_bdev+0x358/0x544 [ 215.262606][ T6244] gfs2_get_tree+0x54/0x1b4 [ 215.263311][ T6244] vfs_get_tree+0x90/0x274 [ 215.263979][ T6244] do_new_mount+0x228/0x810 [ 215.264599][ T6244] path_mount+0x5b4/0x1000 [ 215.265258][ T6244] __arm64_sys_mount+0x514/0x5e4 [ 215.265937][ T6244] invoke_syscall+0x98/0x2b8 [ 215.266634][ T6244] el0_svc_common+0x138/0x258 [ 215.267357][ T6244] do_el0_svc+0x58/0x14c [ 215.267977][ T6244] el0_svc+0x78/0x1e0 [ 215.268569][ T6244] el0t_64_sync_handler+0xcc/0xe4 [ 215.269354][ T6244] el0t_64_sync+0x1a0/0x1a4 [ 215.271867][ T6244] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.273777][ T6244] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.447514][ T6246] loop1: detected capacity change from 0 to 32768 [ 215.492852][ T6246] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.494018][ T6246] CPU: 1 PID: 6246 Comm: syz.1.636 Not tainted syzkaller #0 [ 215.494997][ T6246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.496453][ T6246] Call trace: [ 215.496895][ T6246] dump_backtrace+0x0/0x43c [ 215.497596][ T6246] show_stack+0x2c/0x3c [ 215.498169][ T6246] __dump_stack+0x30/0x40 [ 215.498778][ T6246] dump_stack_lvl+0xf8/0x160 [ 215.499451][ T6246] dump_stack+0x1c/0x5c [ 215.500095][ T6246] sysfs_create_dir_ns+0x22c/0x24c [ 215.500882][ T6246] kobject_add_internal+0x590/0xc54 [ 215.501674][ T6246] kobject_init_and_add+0x118/0x17c [ 215.502411][ T6246] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.503106][ T6246] gfs2_fill_super+0xdac/0x19e0 [ 215.503868][ T6246] get_tree_bdev+0x358/0x544 [ 215.504499][ T6246] gfs2_get_tree+0x54/0x1b4 [ 215.505164][ T6246] vfs_get_tree+0x90/0x274 [ 215.505877][ T6246] do_new_mount+0x228/0x810 [ 215.506563][ T6246] path_mount+0x5b4/0x1000 [ 215.507198][ T6246] __arm64_sys_mount+0x514/0x5e4 [ 215.508009][ T6246] invoke_syscall+0x98/0x2b8 [ 215.508726][ T6246] el0_svc_common+0x138/0x258 [ 215.509458][ T6246] do_el0_svc+0x58/0x14c [ 215.510089][ T6246] el0_svc+0x78/0x1e0 [ 215.510710][ T6246] el0t_64_sync_handler+0xcc/0xe4 [ 215.511438][ T6246] el0t_64_sync+0x1a0/0x1a4 [ 215.512878][ T6246] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.514780][ T6246] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.649937][ T6248] loop1: detected capacity change from 0 to 32768 [ 215.687890][ T6248] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.689072][ T6248] CPU: 0 PID: 6248 Comm: syz.1.637 Not tainted syzkaller #0 [ 215.690153][ T6248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.691526][ T6248] Call trace: [ 215.691989][ T6248] dump_backtrace+0x0/0x43c [ 215.692665][ T6248] show_stack+0x2c/0x3c [ 215.693314][ T6248] __dump_stack+0x30/0x40 [ 215.693996][ T6248] dump_stack_lvl+0xf8/0x160 [ 215.694675][ T6248] dump_stack+0x1c/0x5c [ 215.695341][ T6248] sysfs_create_dir_ns+0x22c/0x24c [ 215.696141][ T6248] kobject_add_internal+0x590/0xc54 [ 215.696874][ T6248] kobject_init_and_add+0x118/0x17c [ 215.697680][ T6248] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.698431][ T6248] gfs2_fill_super+0xdac/0x19e0 [ 215.699202][ T6248] get_tree_bdev+0x358/0x544 [ 215.699914][ T6248] gfs2_get_tree+0x54/0x1b4 [ 215.700568][ T6248] vfs_get_tree+0x90/0x274 [ 215.701285][ T6248] do_new_mount+0x228/0x810 [ 215.701926][ T6248] path_mount+0x5b4/0x1000 [ 215.702636][ T6248] __arm64_sys_mount+0x514/0x5e4 [ 215.703413][ T6248] invoke_syscall+0x98/0x2b8 [ 215.704083][ T6248] el0_svc_common+0x138/0x258 [ 215.704803][ T6248] do_el0_svc+0x58/0x14c [ 215.705401][ T6248] el0_svc+0x78/0x1e0 [ 215.706035][ T6248] el0t_64_sync_handler+0xcc/0xe4 [ 215.706755][ T6248] el0t_64_sync+0x1a0/0x1a4 [ 215.709216][ T6248] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.711233][ T6248] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.847601][ T6250] loop1: detected capacity change from 0 to 32768 [ 215.911778][ T6250] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.913119][ T6250] CPU: 0 PID: 6250 Comm: syz.1.638 Not tainted syzkaller #0 [ 215.914217][ T6250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.915836][ T6250] Call trace: [ 215.916388][ T6250] dump_backtrace+0x0/0x43c [ 215.917055][ T6250] show_stack+0x2c/0x3c [ 215.917639][ T6250] __dump_stack+0x30/0x40 [ 215.918298][ T6250] dump_stack_lvl+0xf8/0x160 [ 215.918989][ T6250] dump_stack+0x1c/0x5c [ 215.919605][ T6250] sysfs_create_dir_ns+0x22c/0x24c [ 215.920459][ T6250] kobject_add_internal+0x590/0xc54 [ 215.921206][ T6250] kobject_init_and_add+0x118/0x17c [ 215.921981][ T6250] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.922770][ T6250] gfs2_fill_super+0xdac/0x19e0 [ 215.923537][ T6250] get_tree_bdev+0x358/0x544 [ 215.924236][ T6250] gfs2_get_tree+0x54/0x1b4 [ 215.924889][ T6250] vfs_get_tree+0x90/0x274 [ 215.925576][ T6250] do_new_mount+0x228/0x810 [ 215.926202][ T6250] path_mount+0x5b4/0x1000 [ 215.926803][ T6250] __arm64_sys_mount+0x514/0x5e4 [ 215.927610][ T6250] invoke_syscall+0x98/0x2b8 [ 215.928379][ T6250] el0_svc_common+0x138/0x258 [ 215.929069][ T6250] do_el0_svc+0x58/0x14c [ 215.929744][ T6250] el0_svc+0x78/0x1e0 [ 215.930361][ T6250] el0t_64_sync_handler+0xcc/0xe4 [ 215.931205][ T6250] el0t_64_sync+0x1a0/0x1a4 [ 215.933345][ T6250] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.935330][ T6250] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.077225][ T6252] loop1: detected capacity change from 0 to 32768 [ 216.120689][ T6252] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.121847][ T6252] CPU: 0 PID: 6252 Comm: syz.1.639 Not tainted syzkaller #0 [ 216.122963][ T6252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.124436][ T6252] Call trace: [ 216.124892][ T6252] dump_backtrace+0x0/0x43c [ 216.125545][ T6252] show_stack+0x2c/0x3c [ 216.126164][ T6252] __dump_stack+0x30/0x40 [ 216.126870][ T6252] dump_stack_lvl+0xf8/0x160 [ 216.127567][ T6252] dump_stack+0x1c/0x5c [ 216.128128][ T6252] sysfs_create_dir_ns+0x22c/0x24c [ 216.128866][ T6252] kobject_add_internal+0x590/0xc54 [ 216.129644][ T6252] kobject_init_and_add+0x118/0x17c [ 216.130453][ T6252] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.131195][ T6252] gfs2_fill_super+0xdac/0x19e0 [ 216.131970][ T6252] get_tree_bdev+0x358/0x544 [ 216.132708][ T6252] gfs2_get_tree+0x54/0x1b4 [ 216.133407][ T6252] vfs_get_tree+0x90/0x274 [ 216.134116][ T6252] do_new_mount+0x228/0x810 [ 216.134825][ T6252] path_mount+0x5b4/0x1000 [ 216.135483][ T6252] __arm64_sys_mount+0x514/0x5e4 [ 216.136233][ T6252] invoke_syscall+0x98/0x2b8 [ 216.137010][ T6252] el0_svc_common+0x138/0x258 [ 216.137696][ T6252] do_el0_svc+0x58/0x14c [ 216.138341][ T6252] el0_svc+0x78/0x1e0 [ 216.138974][ T6252] el0t_64_sync_handler+0xcc/0xe4 [ 216.139757][ T6252] el0t_64_sync+0x1a0/0x1a4 [ 216.141852][ T6252] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.143910][ T6252] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.186681][ T4186] Bluetooth: hci2: command 0x040f tx timeout [ 216.275493][ T6254] loop1: detected capacity change from 0 to 32768 [ 216.337744][ T6254] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.338883][ T6254] CPU: 1 PID: 6254 Comm: syz.1.640 Not tainted syzkaller #0 [ 216.339901][ T6254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.341355][ T6254] Call trace: [ 216.341808][ T6254] dump_backtrace+0x0/0x43c [ 216.342413][ T6254] show_stack+0x2c/0x3c [ 216.342977][ T6254] __dump_stack+0x30/0x40 [ 216.343625][ T6254] dump_stack_lvl+0xf8/0x160 [ 216.344271][ T6254] dump_stack+0x1c/0x5c [ 216.344878][ T6254] sysfs_create_dir_ns+0x22c/0x24c [ 216.345622][ T6254] kobject_add_internal+0x590/0xc54 [ 216.346374][ T6254] kobject_init_and_add+0x118/0x17c [ 216.347098][ T6254] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.347856][ T6254] gfs2_fill_super+0xdac/0x19e0 [ 216.348672][ T6254] get_tree_bdev+0x358/0x544 [ 216.349320][ T6254] gfs2_get_tree+0x54/0x1b4 [ 216.350003][ T6254] vfs_get_tree+0x90/0x274 [ 216.350629][ T6254] do_new_mount+0x228/0x810 [ 216.351302][ T6254] path_mount+0x5b4/0x1000 [ 216.352025][ T6254] __arm64_sys_mount+0x514/0x5e4 [ 216.352747][ T6254] invoke_syscall+0x98/0x2b8 [ 216.353494][ T6254] el0_svc_common+0x138/0x258 [ 216.354232][ T6254] do_el0_svc+0x58/0x14c [ 216.354957][ T6254] el0_svc+0x78/0x1e0 [ 216.355641][ T6254] el0t_64_sync_handler+0xcc/0xe4 [ 216.356434][ T6254] el0t_64_sync+0x1a0/0x1a4 [ 216.357551][ T6254] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.359425][ T6254] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:36 executed programs: 627 [ 216.545703][ T6256] loop1: detected capacity change from 0 to 32768 [ 216.587817][ T6256] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.588964][ T6256] CPU: 0 PID: 6256 Comm: syz.1.641 Not tainted syzkaller #0 [ 216.589944][ T6256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.591287][ T6256] Call trace: [ 216.591744][ T6256] dump_backtrace+0x0/0x43c [ 216.592330][ T6256] show_stack+0x2c/0x3c [ 216.592901][ T6256] __dump_stack+0x30/0x40 [ 216.593480][ T6256] dump_stack_lvl+0xf8/0x160 [ 216.594171][ T6256] dump_stack+0x1c/0x5c [ 216.594808][ T6256] sysfs_create_dir_ns+0x22c/0x24c [ 216.595529][ T6256] kobject_add_internal+0x590/0xc54 [ 216.596308][ T6256] kobject_init_and_add+0x118/0x17c [ 216.597075][ T6256] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.597872][ T6256] gfs2_fill_super+0xdac/0x19e0 [ 216.598665][ T6256] get_tree_bdev+0x358/0x544 [ 216.599349][ T6256] gfs2_get_tree+0x54/0x1b4 [ 216.600103][ T6256] vfs_get_tree+0x90/0x274 [ 216.600844][ T6256] do_new_mount+0x228/0x810 [ 216.601524][ T6256] path_mount+0x5b4/0x1000 [ 216.602207][ T6256] __arm64_sys_mount+0x514/0x5e4 [ 216.602969][ T6256] invoke_syscall+0x98/0x2b8 [ 216.603755][ T6256] el0_svc_common+0x138/0x258 [ 216.604497][ T6256] do_el0_svc+0x58/0x14c [ 216.605167][ T6256] el0_svc+0x78/0x1e0 [ 216.605879][ T6256] el0t_64_sync_handler+0xcc/0xe4 [ 216.606676][ T6256] el0t_64_sync+0x1a0/0x1a4 [ 216.609004][ T6256] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.610996][ T6256] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.741486][ T6258] loop1: detected capacity change from 0 to 32768 [ 216.777892][ T6258] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.779000][ T6258] CPU: 0 PID: 6258 Comm: syz.1.642 Not tainted syzkaller #0 [ 216.779996][ T6258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.781556][ T6258] Call trace: [ 216.782084][ T6258] dump_backtrace+0x0/0x43c [ 216.782822][ T6258] show_stack+0x2c/0x3c [ 216.783506][ T6258] __dump_stack+0x30/0x40 [ 216.784155][ T6258] dump_stack_lvl+0xf8/0x160 [ 216.784810][ T6258] dump_stack+0x1c/0x5c [ 216.785393][ T6258] sysfs_create_dir_ns+0x22c/0x24c [ 216.786164][ T6258] kobject_add_internal+0x590/0xc54 [ 216.786897][ T6258] kobject_init_and_add+0x118/0x17c [ 216.787607][ T6258] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.788354][ T6258] gfs2_fill_super+0xdac/0x19e0 [ 216.789151][ T6258] get_tree_bdev+0x358/0x544 [ 216.789861][ T6258] gfs2_get_tree+0x54/0x1b4 [ 216.790476][ T6258] vfs_get_tree+0x90/0x274 [ 216.791085][ T6258] do_new_mount+0x228/0x810 [ 216.791813][ T6258] path_mount+0x5b4/0x1000 [ 216.792538][ T6258] __arm64_sys_mount+0x514/0x5e4 [ 216.793257][ T6258] invoke_syscall+0x98/0x2b8 [ 216.793949][ T6258] el0_svc_common+0x138/0x258 [ 216.794667][ T6258] do_el0_svc+0x58/0x14c [ 216.795327][ T6258] el0_svc+0x78/0x1e0 [ 216.795956][ T6258] el0t_64_sync_handler+0xcc/0xe4 [ 216.796754][ T6258] el0t_64_sync+0x1a0/0x1a4 [ 216.798903][ T6258] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.800882][ T6258] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.930689][ T6260] loop1: detected capacity change from 0 to 32768 [ 216.938311][ T6260] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.939401][ T6260] CPU: 1 PID: 6260 Comm: syz.1.643 Not tainted syzkaller #0 [ 216.940544][ T6260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.941864][ T6260] Call trace: [ 216.942371][ T6260] dump_backtrace+0x0/0x43c [ 216.942977][ T6260] show_stack+0x2c/0x3c [ 216.943572][ T6260] __dump_stack+0x30/0x40 [ 216.944194][ T6260] dump_stack_lvl+0xf8/0x160 [ 216.944848][ T6260] dump_stack+0x1c/0x5c [ 216.945443][ T6260] sysfs_create_dir_ns+0x22c/0x24c [ 216.946146][ T6260] kobject_add_internal+0x590/0xc54 [ 216.946864][ T6260] kobject_init_and_add+0x118/0x17c [ 216.947645][ T6260] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.948366][ T6260] gfs2_fill_super+0xdac/0x19e0 [ 216.949125][ T6260] get_tree_bdev+0x358/0x544 [ 216.949832][ T6260] gfs2_get_tree+0x54/0x1b4 [ 216.950521][ T6260] vfs_get_tree+0x90/0x274 [ 216.951149][ T6260] do_new_mount+0x228/0x810 [ 216.951782][ T6260] path_mount+0x5b4/0x1000 [ 216.952400][ T6260] __arm64_sys_mount+0x514/0x5e4 [ 216.953119][ T6260] invoke_syscall+0x98/0x2b8 [ 216.953789][ T6260] el0_svc_common+0x138/0x258 [ 216.954575][ T6260] do_el0_svc+0x58/0x14c [ 216.955222][ T6260] el0_svc+0x78/0x1e0 [ 216.955863][ T6260] el0t_64_sync_handler+0xcc/0xe4 [ 216.956572][ T6260] el0t_64_sync+0x1a0/0x1a4 [ 216.957723][ T6260] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.959511][ T6260] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.094257][ T6262] loop1: detected capacity change from 0 to 32768 [ 217.152937][ T6262] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.154090][ T6262] CPU: 0 PID: 6262 Comm: syz.1.644 Not tainted syzkaller #0 [ 217.155108][ T6262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.156458][ T6262] Call trace: [ 217.156985][ T6262] dump_backtrace+0x0/0x43c [ 217.157776][ T6262] show_stack+0x2c/0x3c [ 217.158372][ T6262] __dump_stack+0x30/0x40 [ 217.159056][ T6262] dump_stack_lvl+0xf8/0x160 [ 217.159774][ T6262] dump_stack+0x1c/0x5c [ 217.160436][ T6262] sysfs_create_dir_ns+0x22c/0x24c [ 217.161292][ T6262] kobject_add_internal+0x590/0xc54 [ 217.162130][ T6262] kobject_init_and_add+0x118/0x17c [ 217.162954][ T6262] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.163697][ T6262] gfs2_fill_super+0xdac/0x19e0 [ 217.164486][ T6262] get_tree_bdev+0x358/0x544 [ 217.165208][ T6262] gfs2_get_tree+0x54/0x1b4 [ 217.165895][ T6262] vfs_get_tree+0x90/0x274 [ 217.166617][ T6262] do_new_mount+0x228/0x810 [ 217.167323][ T6262] path_mount+0x5b4/0x1000 [ 217.168019][ T6262] __arm64_sys_mount+0x514/0x5e4 [ 217.168831][ T6262] invoke_syscall+0x98/0x2b8 [ 217.169507][ T6262] el0_svc_common+0x138/0x258 [ 217.170254][ T6262] do_el0_svc+0x58/0x14c [ 217.170885][ T6262] el0_svc+0x78/0x1e0 [ 217.171517][ T6262] el0t_64_sync_handler+0xcc/0xe4 [ 217.172344][ T6262] el0t_64_sync+0x1a0/0x1a4 [ 217.174435][ T6262] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.176456][ T6262] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.302698][ T6264] loop1: detected capacity change from 0 to 32768 [ 217.358381][ T6264] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.359558][ T6264] CPU: 1 PID: 6264 Comm: syz.1.645 Not tainted syzkaller #0 [ 217.360568][ T6264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.362015][ T6264] Call trace: [ 217.362487][ T6264] dump_backtrace+0x0/0x43c [ 217.363153][ T6264] show_stack+0x2c/0x3c [ 217.363774][ T6264] __dump_stack+0x30/0x40 [ 217.364375][ T6264] dump_stack_lvl+0xf8/0x160 [ 217.365068][ T6264] dump_stack+0x1c/0x5c [ 217.365670][ T6264] sysfs_create_dir_ns+0x22c/0x24c [ 217.366373][ T6264] kobject_add_internal+0x590/0xc54 [ 217.367071][ T6264] kobject_init_and_add+0x118/0x17c [ 217.367901][ T6264] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.368685][ T6264] gfs2_fill_super+0xdac/0x19e0 [ 217.369454][ T6264] get_tree_bdev+0x358/0x544 [ 217.370239][ T6264] gfs2_get_tree+0x54/0x1b4 [ 217.370921][ T6264] vfs_get_tree+0x90/0x274 [ 217.371592][ T6264] do_new_mount+0x228/0x810 [ 217.372261][ T6264] path_mount+0x5b4/0x1000 [ 217.372879][ T6264] __arm64_sys_mount+0x514/0x5e4 [ 217.373578][ T6264] invoke_syscall+0x98/0x2b8 [ 217.374325][ T6264] el0_svc_common+0x138/0x258 [ 217.374981][ T6264] do_el0_svc+0x58/0x14c [ 217.375588][ T6264] el0_svc+0x78/0x1e0 [ 217.376229][ T6264] el0t_64_sync_handler+0xcc/0xe4 [ 217.377043][ T6264] el0t_64_sync+0x1a0/0x1a4 [ 217.382659][ T6264] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.384646][ T6264] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.514933][ T6266] loop1: detected capacity change from 0 to 32768 [ 217.522447][ T6266] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.523670][ T6266] CPU: 0 PID: 6266 Comm: syz.1.646 Not tainted syzkaller #0 [ 217.524680][ T6266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.526000][ T6266] Call trace: [ 217.526482][ T6266] dump_backtrace+0x0/0x43c [ 217.527151][ T6266] show_stack+0x2c/0x3c [ 217.527743][ T6266] __dump_stack+0x30/0x40 [ 217.528463][ T6266] dump_stack_lvl+0xf8/0x160 [ 217.529161][ T6266] dump_stack+0x1c/0x5c [ 217.529820][ T6266] sysfs_create_dir_ns+0x22c/0x24c [ 217.530651][ T6266] kobject_add_internal+0x590/0xc54 [ 217.531423][ T6266] kobject_init_and_add+0x118/0x17c [ 217.532174][ T6266] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.532943][ T6266] gfs2_fill_super+0xdac/0x19e0 [ 217.533738][ T6266] get_tree_bdev+0x358/0x544 [ 217.534549][ T6266] gfs2_get_tree+0x54/0x1b4 [ 217.535213][ T6266] vfs_get_tree+0x90/0x274 [ 217.535874][ T6266] do_new_mount+0x228/0x810 [ 217.536548][ T6266] path_mount+0x5b4/0x1000 [ 217.537236][ T6266] __arm64_sys_mount+0x514/0x5e4 [ 217.538014][ T6266] invoke_syscall+0x98/0x2b8 [ 217.538705][ T6266] el0_svc_common+0x138/0x258 [ 217.539427][ T6266] do_el0_svc+0x58/0x14c [ 217.540052][ T6266] el0_svc+0x78/0x1e0 [ 217.540649][ T6266] el0t_64_sync_handler+0xcc/0xe4 [ 217.541486][ T6266] el0t_64_sync+0x1a0/0x1a4 [ 217.543619][ T6266] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.545470][ T6266] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.674403][ T6268] loop1: detected capacity change from 0 to 32768 [ 217.682683][ T6268] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.683761][ T6268] CPU: 0 PID: 6268 Comm: syz.1.647 Not tainted syzkaller #0 [ 217.684723][ T6268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.686330][ T6268] Call trace: [ 217.686839][ T6268] dump_backtrace+0x0/0x43c [ 217.687608][ T6268] show_stack+0x2c/0x3c [ 217.688261][ T6268] __dump_stack+0x30/0x40 [ 217.688890][ T6268] dump_stack_lvl+0xf8/0x160 [ 217.689556][ T6268] dump_stack+0x1c/0x5c [ 217.690257][ T6268] sysfs_create_dir_ns+0x22c/0x24c [ 217.691057][ T6268] kobject_add_internal+0x590/0xc54 [ 217.691873][ T6268] kobject_init_and_add+0x118/0x17c [ 217.692683][ T6268] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.693462][ T6268] gfs2_fill_super+0xdac/0x19e0 [ 217.694186][ T6268] get_tree_bdev+0x358/0x544 [ 217.694866][ T6268] gfs2_get_tree+0x54/0x1b4 [ 217.695507][ T6268] vfs_get_tree+0x90/0x274 [ 217.696228][ T6268] do_new_mount+0x228/0x810 [ 217.696901][ T6268] path_mount+0x5b4/0x1000 [ 217.697545][ T6268] __arm64_sys_mount+0x514/0x5e4 [ 217.698321][ T6268] invoke_syscall+0x98/0x2b8 [ 217.699057][ T6268] el0_svc_common+0x138/0x258 [ 217.699751][ T6268] do_el0_svc+0x58/0x14c [ 217.700364][ T6268] el0_svc+0x78/0x1e0 [ 217.700990][ T6268] el0t_64_sync_handler+0xcc/0xe4 [ 217.701771][ T6268] el0t_64_sync+0x1a0/0x1a4 [ 217.702618][ T6268] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.704446][ T6268] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.835636][ T6270] loop1: detected capacity change from 0 to 32768 [ 217.843113][ T6270] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.844212][ T6270] CPU: 0 PID: 6270 Comm: syz.1.648 Not tainted syzkaller #0 [ 217.845303][ T6270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.846864][ T6270] Call trace: [ 217.847333][ T6270] dump_backtrace+0x0/0x43c [ 217.848005][ T6270] show_stack+0x2c/0x3c [ 217.848609][ T6270] __dump_stack+0x30/0x40 [ 217.849265][ T6270] dump_stack_lvl+0xf8/0x160 [ 217.849909][ T6270] dump_stack+0x1c/0x5c [ 217.850524][ T6270] sysfs_create_dir_ns+0x22c/0x24c [ 217.851300][ T6270] kobject_add_internal+0x590/0xc54 [ 217.852162][ T6270] kobject_init_and_add+0x118/0x17c [ 217.852968][ T6270] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.853679][ T6270] gfs2_fill_super+0xdac/0x19e0 [ 217.854482][ T6270] get_tree_bdev+0x358/0x544 [ 217.855200][ T6270] gfs2_get_tree+0x54/0x1b4 [ 217.855865][ T6270] vfs_get_tree+0x90/0x274 [ 217.856494][ T6270] do_new_mount+0x228/0x810 [ 217.857215][ T6270] path_mount+0x5b4/0x1000 [ 217.857887][ T6270] __arm64_sys_mount+0x514/0x5e4 [ 217.858698][ T6270] invoke_syscall+0x98/0x2b8 [ 217.859407][ T6270] el0_svc_common+0x138/0x258 [ 217.860100][ T6270] do_el0_svc+0x58/0x14c [ 217.860768][ T6270] el0_svc+0x78/0x1e0 [ 217.861372][ T6270] el0t_64_sync_handler+0xcc/0xe4 [ 217.862214][ T6270] el0t_64_sync+0x1a0/0x1a4 [ 217.863075][ T6270] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.864922][ T6270] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.083988][ T6272] loop1: detected capacity change from 0 to 32768 [ 218.122922][ T6272] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.124035][ T6272] CPU: 0 PID: 6272 Comm: syz.1.649 Not tainted syzkaller #0 [ 218.125055][ T6272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.126440][ T6272] Call trace: [ 218.126980][ T6272] dump_backtrace+0x0/0x43c [ 218.127652][ T6272] show_stack+0x2c/0x3c [ 218.128316][ T6272] __dump_stack+0x30/0x40 [ 218.128980][ T6272] dump_stack_lvl+0xf8/0x160 [ 218.129664][ T6272] dump_stack+0x1c/0x5c [ 218.130339][ T6272] sysfs_create_dir_ns+0x22c/0x24c [ 218.131083][ T6272] kobject_add_internal+0x590/0xc54 [ 218.131924][ T6272] kobject_init_and_add+0x118/0x17c [ 218.132816][ T6272] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.133522][ T6272] gfs2_fill_super+0xdac/0x19e0 [ 218.134339][ T6272] get_tree_bdev+0x358/0x544 [ 218.135148][ T6272] gfs2_get_tree+0x54/0x1b4 [ 218.135878][ T6272] vfs_get_tree+0x90/0x274 [ 218.136621][ T6272] do_new_mount+0x228/0x810 [ 218.137307][ T6272] path_mount+0x5b4/0x1000 [ 218.137981][ T6272] __arm64_sys_mount+0x514/0x5e4 [ 218.138732][ T6272] invoke_syscall+0x98/0x2b8 [ 218.139399][ T6272] el0_svc_common+0x138/0x258 [ 218.140174][ T6272] do_el0_svc+0x58/0x14c [ 218.140870][ T6272] el0_svc+0x78/0x1e0 [ 218.141522][ T6272] el0t_64_sync_handler+0xcc/0xe4 [ 218.142312][ T6272] el0t_64_sync+0x1a0/0x1a4 [ 218.144535][ T6272] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.146521][ T6272] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.266661][ T1541] Bluetooth: hci2: command 0x0419 tx timeout [ 218.277710][ T6274] loop1: detected capacity change from 0 to 32768 [ 218.327775][ T6274] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.328867][ T6274] CPU: 1 PID: 6274 Comm: syz.1.650 Not tainted syzkaller #0 [ 218.330044][ T6274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.331560][ T6274] Call trace: [ 218.332071][ T6274] dump_backtrace+0x0/0x43c [ 218.332702][ T6274] show_stack+0x2c/0x3c [ 218.333377][ T6274] __dump_stack+0x30/0x40 [ 218.334026][ T6274] dump_stack_lvl+0xf8/0x160 [ 218.334675][ T6274] dump_stack+0x1c/0x5c [ 218.335263][ T6274] sysfs_create_dir_ns+0x22c/0x24c [ 218.336038][ T6274] kobject_add_internal+0x590/0xc54 [ 218.336885][ T6274] kobject_init_and_add+0x118/0x17c [ 218.337732][ T6274] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.338489][ T6274] gfs2_fill_super+0xdac/0x19e0 [ 218.339241][ T6274] get_tree_bdev+0x358/0x544 [ 218.340001][ T6274] gfs2_get_tree+0x54/0x1b4 [ 218.340696][ T6274] vfs_get_tree+0x90/0x274 [ 218.341336][ T6274] do_new_mount+0x228/0x810 [ 218.342002][ T6274] path_mount+0x5b4/0x1000 [ 218.342625][ T6274] __arm64_sys_mount+0x514/0x5e4 [ 218.343393][ T6274] invoke_syscall+0x98/0x2b8 [ 218.344091][ T6274] el0_svc_common+0x138/0x258 [ 218.344757][ T6274] do_el0_svc+0x58/0x14c [ 218.345396][ T6274] el0_svc+0x78/0x1e0 [ 218.346000][ T6274] el0t_64_sync_handler+0xcc/0xe4 [ 218.346877][ T6274] el0t_64_sync+0x1a0/0x1a4 [ 218.349328][ T6274] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.351308][ T6274] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.483722][ T6276] loop1: detected capacity change from 0 to 32768 [ 218.538127][ T6276] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.539285][ T6276] CPU: 1 PID: 6276 Comm: syz.1.651 Not tainted syzkaller #0 [ 218.540358][ T6276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.541708][ T6276] Call trace: [ 218.542151][ T6276] dump_backtrace+0x0/0x43c [ 218.542827][ T6276] show_stack+0x2c/0x3c [ 218.543437][ T6276] __dump_stack+0x30/0x40 [ 218.544074][ T6276] dump_stack_lvl+0xf8/0x160 [ 218.544785][ T6276] dump_stack+0x1c/0x5c [ 218.545372][ T6276] sysfs_create_dir_ns+0x22c/0x24c [ 218.546098][ T6276] kobject_add_internal+0x590/0xc54 [ 218.546801][ T6276] kobject_init_and_add+0x118/0x17c [ 218.547513][ T6276] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.548196][ T6276] gfs2_fill_super+0xdac/0x19e0 [ 218.548910][ T6276] get_tree_bdev+0x358/0x544 [ 218.549594][ T6276] gfs2_get_tree+0x54/0x1b4 [ 218.550267][ T6276] vfs_get_tree+0x90/0x274 [ 218.550876][ T6276] do_new_mount+0x228/0x810 [ 218.551527][ T6276] path_mount+0x5b4/0x1000 [ 218.552200][ T6276] __arm64_sys_mount+0x514/0x5e4 [ 218.552852][ T6276] invoke_syscall+0x98/0x2b8 [ 218.553582][ T6276] el0_svc_common+0x138/0x258 [ 218.554219][ T6276] do_el0_svc+0x58/0x14c [ 218.554861][ T6276] el0_svc+0x78/0x1e0 [ 218.555383][ T6276] el0t_64_sync_handler+0xcc/0xe4 [ 218.556062][ T6276] el0t_64_sync+0x1a0/0x1a4 [ 218.557210][ T6276] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.559163][ T6276] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.716241][ T6278] loop1: detected capacity change from 0 to 32768 [ 218.723626][ T6278] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.724733][ T6278] CPU: 0 PID: 6278 Comm: syz.1.652 Not tainted syzkaller #0 [ 218.725745][ T6278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.727290][ T6278] Call trace: [ 218.727784][ T6278] dump_backtrace+0x0/0x43c [ 218.728444][ T6278] show_stack+0x2c/0x3c [ 218.729070][ T6278] __dump_stack+0x30/0x40 [ 218.729806][ T6278] dump_stack_lvl+0xf8/0x160 [ 218.730597][ T6278] dump_stack+0x1c/0x5c [ 218.731215][ T6278] sysfs_create_dir_ns+0x22c/0x24c [ 218.731957][ T6278] kobject_add_internal+0x590/0xc54 [ 218.732759][ T6278] kobject_init_and_add+0x118/0x17c [ 218.733480][ T6278] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.734156][ T6278] gfs2_fill_super+0xdac/0x19e0 [ 218.734898][ T6278] get_tree_bdev+0x358/0x544 [ 218.735629][ T6278] gfs2_get_tree+0x54/0x1b4 [ 218.736321][ T6278] vfs_get_tree+0x90/0x274 [ 218.737042][ T6278] do_new_mount+0x228/0x810 [ 218.737661][ T6278] path_mount+0x5b4/0x1000 [ 218.738271][ T6278] __arm64_sys_mount+0x514/0x5e4 [ 218.738968][ T6278] invoke_syscall+0x98/0x2b8 [ 218.739616][ T6278] el0_svc_common+0x138/0x258 [ 218.740334][ T6278] do_el0_svc+0x58/0x14c [ 218.741093][ T6278] el0_svc+0x78/0x1e0 [ 218.741700][ T6278] el0t_64_sync_handler+0xcc/0xe4 [ 218.742445][ T6278] el0t_64_sync+0x1a0/0x1a4 [ 218.743902][ T6278] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.745832][ T6278] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.870116][ T6280] loop1: detected capacity change from 0 to 32768 [ 218.907867][ T6280] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.909040][ T6280] CPU: 1 PID: 6280 Comm: syz.1.653 Not tainted syzkaller #0 [ 218.910020][ T6280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.911568][ T6280] Call trace: [ 218.912028][ T6280] dump_backtrace+0x0/0x43c [ 218.912700][ T6280] show_stack+0x2c/0x3c [ 218.913370][ T6280] __dump_stack+0x30/0x40 [ 218.914016][ T6280] dump_stack_lvl+0xf8/0x160 [ 218.914732][ T6280] dump_stack+0x1c/0x5c [ 218.915361][ T6280] sysfs_create_dir_ns+0x22c/0x24c [ 218.916161][ T6280] kobject_add_internal+0x590/0xc54 [ 218.916915][ T6280] kobject_init_and_add+0x118/0x17c [ 218.917686][ T6280] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.918393][ T6280] gfs2_fill_super+0xdac/0x19e0 [ 218.919104][ T6280] get_tree_bdev+0x358/0x544 [ 218.919849][ T6280] gfs2_get_tree+0x54/0x1b4 [ 218.920535][ T6280] vfs_get_tree+0x90/0x274 [ 218.921206][ T6280] do_new_mount+0x228/0x810 [ 218.921887][ T6280] path_mount+0x5b4/0x1000 [ 218.922590][ T6280] __arm64_sys_mount+0x514/0x5e4 [ 218.923383][ T6280] invoke_syscall+0x98/0x2b8 [ 218.924096][ T6280] el0_svc_common+0x138/0x258 [ 218.924833][ T6280] do_el0_svc+0x58/0x14c [ 218.925450][ T6280] el0_svc+0x78/0x1e0 [ 218.926016][ T6280] el0t_64_sync_handler+0xcc/0xe4 [ 218.926793][ T6280] el0t_64_sync+0x1a0/0x1a4 [ 218.929192][ T6280] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.931135][ T6280] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.099888][ T6282] loop1: detected capacity change from 0 to 32768 [ 219.141779][ T6282] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.142989][ T6282] CPU: 1 PID: 6282 Comm: syz.1.654 Not tainted syzkaller #0 [ 219.144023][ T6282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.145411][ T6282] Call trace: [ 219.145929][ T6282] dump_backtrace+0x0/0x43c [ 219.146578][ T6282] show_stack+0x2c/0x3c [ 219.147153][ T6282] __dump_stack+0x30/0x40 [ 219.147839][ T6282] dump_stack_lvl+0xf8/0x160 [ 219.148589][ T6282] dump_stack+0x1c/0x5c [ 219.149146][ T6282] sysfs_create_dir_ns+0x22c/0x24c [ 219.149920][ T6282] kobject_add_internal+0x590/0xc54 [ 219.150698][ T6282] kobject_init_and_add+0x118/0x17c [ 219.151491][ T6282] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.152212][ T6282] gfs2_fill_super+0xdac/0x19e0 [ 219.152966][ T6282] get_tree_bdev+0x358/0x544 [ 219.153634][ T6282] gfs2_get_tree+0x54/0x1b4 [ 219.154384][ T6282] vfs_get_tree+0x90/0x274 [ 219.155035][ T6282] do_new_mount+0x228/0x810 [ 219.155760][ T6282] path_mount+0x5b4/0x1000 [ 219.156411][ T6282] __arm64_sys_mount+0x514/0x5e4 [ 219.157137][ T6282] invoke_syscall+0x98/0x2b8 [ 219.157767][ T6282] el0_svc_common+0x138/0x258 [ 219.158521][ T6282] do_el0_svc+0x58/0x14c [ 219.159184][ T6282] el0_svc+0x78/0x1e0 [ 219.159736][ T6282] el0t_64_sync_handler+0xcc/0xe4 [ 219.160443][ T6282] el0t_64_sync+0x1a0/0x1a4 [ 219.163102][ T6282] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.164963][ T6282] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.296500][ T6284] loop1: detected capacity change from 0 to 32768 [ 219.304935][ T6284] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.306092][ T6284] CPU: 0 PID: 6284 Comm: syz.1.655 Not tainted syzkaller #0 [ 219.307178][ T6284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.308718][ T6284] Call trace: [ 219.309208][ T6284] dump_backtrace+0x0/0x43c [ 219.309924][ T6284] show_stack+0x2c/0x3c [ 219.310546][ T6284] __dump_stack+0x30/0x40 [ 219.311167][ T6284] dump_stack_lvl+0xf8/0x160 [ 219.311825][ T6284] dump_stack+0x1c/0x5c [ 219.312402][ T6284] sysfs_create_dir_ns+0x22c/0x24c [ 219.313260][ T6284] kobject_add_internal+0x590/0xc54 [ 219.314053][ T6284] kobject_init_and_add+0x118/0x17c [ 219.314866][ T6284] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.315537][ T6284] gfs2_fill_super+0xdac/0x19e0 [ 219.316287][ T6284] get_tree_bdev+0x358/0x544 [ 219.317023][ T6284] gfs2_get_tree+0x54/0x1b4 [ 219.317663][ T6284] vfs_get_tree+0x90/0x274 [ 219.318316][ T6284] do_new_mount+0x228/0x810 [ 219.318932][ T6284] path_mount+0x5b4/0x1000 [ 219.319615][ T6284] __arm64_sys_mount+0x514/0x5e4 [ 219.320391][ T6284] invoke_syscall+0x98/0x2b8 [ 219.321083][ T6284] el0_svc_common+0x138/0x258 [ 219.321834][ T6284] do_el0_svc+0x58/0x14c [ 219.322492][ T6284] el0_svc+0x78/0x1e0 [ 219.323111][ T6284] el0t_64_sync_handler+0xcc/0xe4 [ 219.323943][ T6284] el0t_64_sync+0x1a0/0x1a4 [ 219.324855][ T6284] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.326979][ T6284] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.453011][ T6286] loop1: detected capacity change from 0 to 32768 [ 219.516099][ T6286] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.517291][ T6286] CPU: 0 PID: 6286 Comm: syz.1.656 Not tainted syzkaller #0 [ 219.518436][ T6286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.520038][ T6286] Call trace: [ 219.520472][ T6286] dump_backtrace+0x0/0x43c [ 219.521144][ T6286] show_stack+0x2c/0x3c [ 219.521780][ T6286] __dump_stack+0x30/0x40 [ 219.522420][ T6286] dump_stack_lvl+0xf8/0x160 [ 219.523076][ T6286] dump_stack+0x1c/0x5c [ 219.523668][ T6286] sysfs_create_dir_ns+0x22c/0x24c [ 219.524376][ T6286] kobject_add_internal+0x590/0xc54 [ 219.525127][ T6286] kobject_init_and_add+0x118/0x17c [ 219.525932][ T6286] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.526715][ T6286] gfs2_fill_super+0xdac/0x19e0 [ 219.527485][ T6286] get_tree_bdev+0x358/0x544 [ 219.528240][ T6286] gfs2_get_tree+0x54/0x1b4 [ 219.528990][ T6286] vfs_get_tree+0x90/0x274 [ 219.529721][ T6286] do_new_mount+0x228/0x810 [ 219.530396][ T6286] path_mount+0x5b4/0x1000 [ 219.531051][ T6286] __arm64_sys_mount+0x514/0x5e4 [ 219.531774][ T6286] invoke_syscall+0x98/0x2b8 [ 219.532446][ T6286] el0_svc_common+0x138/0x258 [ 219.533166][ T6286] do_el0_svc+0x58/0x14c [ 219.533791][ T6286] el0_svc+0x78/0x1e0 [ 219.534418][ T6286] el0t_64_sync_handler+0xcc/0xe4 [ 219.535210][ T6286] el0t_64_sync+0x1a0/0x1a4 [ 219.536093][ T6286] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.539276][ T6286] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.668969][ T6288] loop1: detected capacity change from 0 to 32768 [ 219.697858][ T6288] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.699085][ T6288] CPU: 0 PID: 6288 Comm: syz.1.657 Not tainted syzkaller #0 [ 219.700107][ T6288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.701561][ T6288] Call trace: [ 219.702011][ T6288] dump_backtrace+0x0/0x43c [ 219.702704][ T6288] show_stack+0x2c/0x3c [ 219.703286][ T6288] __dump_stack+0x30/0x40 [ 219.703915][ T6288] dump_stack_lvl+0xf8/0x160 [ 219.704543][ T6288] dump_stack+0x1c/0x5c [ 219.705146][ T6288] sysfs_create_dir_ns+0x22c/0x24c [ 219.705873][ T6288] kobject_add_internal+0x590/0xc54 [ 219.706632][ T6288] kobject_init_and_add+0x118/0x17c [ 219.707481][ T6288] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.708296][ T6288] gfs2_fill_super+0xdac/0x19e0 [ 219.709076][ T6288] get_tree_bdev+0x358/0x544 [ 219.709767][ T6288] gfs2_get_tree+0x54/0x1b4 [ 219.710449][ T6288] vfs_get_tree+0x90/0x274 [ 219.711070][ T6288] do_new_mount+0x228/0x810 [ 219.711762][ T6288] path_mount+0x5b4/0x1000 [ 219.712508][ T6288] __arm64_sys_mount+0x514/0x5e4 [ 219.713235][ T6288] invoke_syscall+0x98/0x2b8 [ 219.713892][ T6288] el0_svc_common+0x138/0x258 [ 219.714638][ T6288] do_el0_svc+0x58/0x14c [ 219.715331][ T6288] el0_svc+0x78/0x1e0 [ 219.715909][ T6288] el0t_64_sync_handler+0xcc/0xe4 [ 219.716688][ T6288] el0t_64_sync+0x1a0/0x1a4 [ 219.717931][ T6288] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.719872][ T6288] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.850373][ T6290] loop1: detected capacity change from 0 to 32768 [ 219.858328][ T6290] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.859493][ T6290] CPU: 1 PID: 6290 Comm: syz.1.658 Not tainted syzkaller #0 [ 219.860526][ T6290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.862026][ T6290] Call trace: [ 219.862490][ T6290] dump_backtrace+0x0/0x43c [ 219.863151][ T6290] show_stack+0x2c/0x3c [ 219.863777][ T6290] __dump_stack+0x30/0x40 [ 219.864447][ T6290] dump_stack_lvl+0xf8/0x160 [ 219.865137][ T6290] dump_stack+0x1c/0x5c [ 219.865759][ T6290] sysfs_create_dir_ns+0x22c/0x24c [ 219.866463][ T6290] kobject_add_internal+0x590/0xc54 [ 219.867212][ T6290] kobject_init_and_add+0x118/0x17c [ 219.867972][ T6290] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.868684][ T6290] gfs2_fill_super+0xdac/0x19e0 [ 219.869369][ T6290] get_tree_bdev+0x358/0x544 [ 219.870090][ T6290] gfs2_get_tree+0x54/0x1b4 [ 219.870780][ T6290] vfs_get_tree+0x90/0x274 [ 219.871443][ T6290] do_new_mount+0x228/0x810 [ 219.872115][ T6290] path_mount+0x5b4/0x1000 [ 219.872753][ T6290] __arm64_sys_mount+0x514/0x5e4 [ 219.873475][ T6290] invoke_syscall+0x98/0x2b8 [ 219.874185][ T6290] el0_svc_common+0x138/0x258 [ 219.874950][ T6290] do_el0_svc+0x58/0x14c [ 219.875568][ T6290] el0_svc+0x78/0x1e0 [ 219.876154][ T6290] el0t_64_sync_handler+0xcc/0xe4 [ 219.876893][ T6290] el0t_64_sync+0x1a0/0x1a4 [ 219.879024][ T6290] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.881227][ T6290] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.007165][ T6292] loop1: detected capacity change from 0 to 32768 [ 220.047914][ T6292] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.049071][ T6292] CPU: 0 PID: 6292 Comm: syz.1.659 Not tainted syzkaller #0 [ 220.050238][ T6292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.051872][ T6292] Call trace: [ 220.052345][ T6292] dump_backtrace+0x0/0x43c [ 220.052992][ T6292] show_stack+0x2c/0x3c [ 220.053616][ T6292] __dump_stack+0x30/0x40 [ 220.054224][ T6292] dump_stack_lvl+0xf8/0x160 [ 220.054938][ T6292] dump_stack+0x1c/0x5c [ 220.055598][ T6292] sysfs_create_dir_ns+0x22c/0x24c [ 220.056394][ T6292] kobject_add_internal+0x590/0xc54 [ 220.057268][ T6292] kobject_init_and_add+0x118/0x17c [ 220.058091][ T6292] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.058821][ T6292] gfs2_fill_super+0xdac/0x19e0 [ 220.059542][ T6292] get_tree_bdev+0x358/0x544 [ 220.060292][ T6292] gfs2_get_tree+0x54/0x1b4 [ 220.060942][ T6292] vfs_get_tree+0x90/0x274 [ 220.061584][ T6292] do_new_mount+0x228/0x810 [ 220.062235][ T6292] path_mount+0x5b4/0x1000 [ 220.062860][ T6292] __arm64_sys_mount+0x514/0x5e4 [ 220.063582][ T6292] invoke_syscall+0x98/0x2b8 [ 220.064310][ T6292] el0_svc_common+0x138/0x258 [ 220.065040][ T6292] do_el0_svc+0x58/0x14c [ 220.065638][ T6292] el0_svc+0x78/0x1e0 [ 220.066207][ T6292] el0t_64_sync_handler+0xcc/0xe4 [ 220.066995][ T6292] el0t_64_sync+0x1a0/0x1a4 [ 220.067885][ T6292] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.069829][ T6292] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.261881][ T6294] loop1: detected capacity change from 0 to 32768 [ 220.367242][ T6294] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.368366][ T6294] CPU: 1 PID: 6294 Comm: syz.1.660 Not tainted syzkaller #0 [ 220.369404][ T6294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.370913][ T6294] Call trace: [ 220.371410][ T6294] dump_backtrace+0x0/0x43c [ 220.372071][ T6294] show_stack+0x2c/0x3c [ 220.372682][ T6294] __dump_stack+0x30/0x40 [ 220.373327][ T6294] dump_stack_lvl+0xf8/0x160 [ 220.374056][ T6294] dump_stack+0x1c/0x5c [ 220.374652][ T6294] sysfs_create_dir_ns+0x22c/0x24c [ 220.375361][ T6294] kobject_add_internal+0x590/0xc54 [ 220.376113][ T6294] kobject_init_and_add+0x118/0x17c [ 220.376948][ T6294] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.377660][ T6294] gfs2_fill_super+0xdac/0x19e0 [ 220.378387][ T6294] get_tree_bdev+0x358/0x544 [ 220.379018][ T6294] gfs2_get_tree+0x54/0x1b4 [ 220.379659][ T6294] vfs_get_tree+0x90/0x274 [ 220.380315][ T6294] do_new_mount+0x228/0x810 [ 220.381028][ T6294] path_mount+0x5b4/0x1000 [ 220.381640][ T6294] __arm64_sys_mount+0x514/0x5e4 [ 220.382324][ T6294] invoke_syscall+0x98/0x2b8 [ 220.382997][ T6294] el0_svc_common+0x138/0x258 [ 220.383754][ T6294] do_el0_svc+0x58/0x14c [ 220.384319][ T6294] el0_svc+0x78/0x1e0 [ 220.384885][ T6294] el0t_64_sync_handler+0xcc/0xe4 [ 220.385615][ T6294] el0t_64_sync+0x1a0/0x1a4 [ 220.387991][ T6294] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.389953][ T6294] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.517587][ T6296] loop1: detected capacity change from 0 to 32768 [ 220.567775][ T6296] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.568833][ T6296] CPU: 1 PID: 6296 Comm: syz.1.661 Not tainted syzkaller #0 [ 220.569913][ T6296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.571357][ T6296] Call trace: [ 220.571808][ T6296] dump_backtrace+0x0/0x43c [ 220.572482][ T6296] show_stack+0x2c/0x3c [ 220.573099][ T6296] __dump_stack+0x30/0x40 [ 220.573742][ T6296] dump_stack_lvl+0xf8/0x160 [ 220.574465][ T6296] dump_stack+0x1c/0x5c [ 220.575051][ T6296] sysfs_create_dir_ns+0x22c/0x24c [ 220.575823][ T6296] kobject_add_internal+0x590/0xc54 [ 220.576589][ T6296] kobject_init_and_add+0x118/0x17c [ 220.577344][ T6296] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.578110][ T6296] gfs2_fill_super+0xdac/0x19e0 [ 220.578808][ T6296] get_tree_bdev+0x358/0x544 [ 220.579486][ T6296] gfs2_get_tree+0x54/0x1b4 [ 220.580181][ T6296] vfs_get_tree+0x90/0x274 [ 220.580931][ T6296] do_new_mount+0x228/0x810 [ 220.581653][ T6296] path_mount+0x5b4/0x1000 [ 220.582383][ T6296] __arm64_sys_mount+0x514/0x5e4 [ 220.583186][ T6296] invoke_syscall+0x98/0x2b8 [ 220.583904][ T6296] el0_svc_common+0x138/0x258 [ 220.584645][ T6296] do_el0_svc+0x58/0x14c [ 220.585335][ T6296] el0_svc+0x78/0x1e0 [ 220.585961][ T6296] el0t_64_sync_handler+0xcc/0xe4 [ 220.586762][ T6296] el0t_64_sync+0x1a0/0x1a4 [ 220.588811][ T6296] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.590733][ T6296] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.720063][ T6298] loop1: detected capacity change from 0 to 32768 [ 220.765444][ T6298] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.766638][ T6298] CPU: 1 PID: 6298 Comm: syz.1.662 Not tainted syzkaller #0 [ 220.767651][ T6298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.769118][ T6298] Call trace: [ 220.769543][ T6298] dump_backtrace+0x0/0x43c [ 220.770110][ T6298] show_stack+0x2c/0x3c [ 220.770663][ T6298] __dump_stack+0x30/0x40 [ 220.771326][ T6298] dump_stack_lvl+0xf8/0x160 [ 220.772056][ T6298] dump_stack+0x1c/0x5c [ 220.772674][ T6298] sysfs_create_dir_ns+0x22c/0x24c [ 220.773436][ T6298] kobject_add_internal+0x590/0xc54 [ 220.774213][ T6298] kobject_init_and_add+0x118/0x17c [ 220.774892][ T6298] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.775577][ T6298] gfs2_fill_super+0xdac/0x19e0 [ 220.776216][ T6298] get_tree_bdev+0x358/0x544 [ 220.776862][ T6298] gfs2_get_tree+0x54/0x1b4 [ 220.777527][ T6298] vfs_get_tree+0x90/0x274 [ 220.778184][ T6298] do_new_mount+0x228/0x810 [ 220.778842][ T6298] path_mount+0x5b4/0x1000 [ 220.779479][ T6298] __arm64_sys_mount+0x514/0x5e4 [ 220.780222][ T6298] invoke_syscall+0x98/0x2b8 [ 220.780848][ T6298] el0_svc_common+0x138/0x258 [ 220.781499][ T6298] do_el0_svc+0x58/0x14c [ 220.782093][ T6298] el0_svc+0x78/0x1e0 [ 220.782671][ T6298] el0t_64_sync_handler+0xcc/0xe4 [ 220.783353][ T6298] el0t_64_sync+0x1a0/0x1a4 [ 220.785252][ T6298] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.787365][ T6298] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.920825][ T6300] loop1: detected capacity change from 0 to 32768 [ 220.987926][ T6300] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.989145][ T6300] CPU: 1 PID: 6300 Comm: syz.1.663 Not tainted syzkaller #0 [ 220.990281][ T6300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.991657][ T6300] Call trace: [ 220.992141][ T6300] dump_backtrace+0x0/0x43c [ 220.992787][ T6300] show_stack+0x2c/0x3c [ 220.993366][ T6300] __dump_stack+0x30/0x40 [ 220.994031][ T6300] dump_stack_lvl+0xf8/0x160 [ 220.994712][ T6300] dump_stack+0x1c/0x5c [ 220.995362][ T6300] sysfs_create_dir_ns+0x22c/0x24c [ 220.996172][ T6300] kobject_add_internal+0x590/0xc54 [ 220.997035][ T6300] kobject_init_and_add+0x118/0x17c [ 220.997924][ T6300] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.998672][ T6300] gfs2_fill_super+0xdac/0x19e0 [ 220.999516][ T6300] get_tree_bdev+0x358/0x544 [ 221.000193][ T6300] gfs2_get_tree+0x54/0x1b4 [ 221.000855][ T6300] vfs_get_tree+0x90/0x274 [ 221.001474][ T6300] do_new_mount+0x228/0x810 [ 221.002148][ T6300] path_mount+0x5b4/0x1000 [ 221.002892][ T6300] __arm64_sys_mount+0x514/0x5e4 [ 221.003655][ T6300] invoke_syscall+0x98/0x2b8 [ 221.004297][ T6300] el0_svc_common+0x138/0x258 [ 221.005022][ T6300] do_el0_svc+0x58/0x14c [ 221.005713][ T6300] el0_svc+0x78/0x1e0 [ 221.006328][ T6300] el0t_64_sync_handler+0xcc/0xe4 [ 221.007091][ T6300] el0t_64_sync+0x1a0/0x1a4 [ 221.009450][ T6300] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.011439][ T6300] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.187174][ T6302] loop1: detected capacity change from 0 to 32768 [ 221.242479][ T6302] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.243679][ T6302] CPU: 0 PID: 6302 Comm: syz.1.664 Not tainted syzkaller #0 [ 221.244680][ T6302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.246109][ T6302] Call trace: [ 221.246562][ T6302] dump_backtrace+0x0/0x43c [ 221.247218][ T6302] show_stack+0x2c/0x3c [ 221.247840][ T6302] __dump_stack+0x30/0x40 [ 221.248485][ T6302] dump_stack_lvl+0xf8/0x160 [ 221.249128][ T6302] dump_stack+0x1c/0x5c [ 221.249759][ T6302] sysfs_create_dir_ns+0x22c/0x24c [ 221.250586][ T6302] kobject_add_internal+0x590/0xc54 [ 221.251329][ T6302] kobject_init_and_add+0x118/0x17c [ 221.252198][ T6302] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.252943][ T6302] gfs2_fill_super+0xdac/0x19e0 [ 221.253701][ T6302] get_tree_bdev+0x358/0x544 [ 221.254438][ T6302] gfs2_get_tree+0x54/0x1b4 [ 221.255161][ T6302] vfs_get_tree+0x90/0x274 [ 221.255794][ T6302] do_new_mount+0x228/0x810 [ 221.256537][ T6302] path_mount+0x5b4/0x1000 [ 221.257290][ T6302] __arm64_sys_mount+0x514/0x5e4 [ 221.258083][ T6302] invoke_syscall+0x98/0x2b8 [ 221.258814][ T6302] el0_svc_common+0x138/0x258 [ 221.259593][ T6302] do_el0_svc+0x58/0x14c [ 221.260239][ T6302] el0_svc+0x78/0x1e0 [ 221.260864][ T6302] el0t_64_sync_handler+0xcc/0xe4 [ 221.261679][ T6302] el0t_64_sync+0x1a0/0x1a4 [ 221.262416][ T6302] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.264286][ T6302] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.399297][ T6304] loop1: detected capacity change from 0 to 32768 [ 221.461629][ T6304] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.462797][ T6304] CPU: 1 PID: 6304 Comm: syz.1.665 Not tainted syzkaller #0 [ 221.463900][ T6304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.465432][ T6304] Call trace: [ 221.465886][ T6304] dump_backtrace+0x0/0x43c [ 221.466549][ T6304] show_stack+0x2c/0x3c [ 221.467198][ T6304] __dump_stack+0x30/0x40 [ 221.467808][ T6304] dump_stack_lvl+0xf8/0x160 [ 221.468494][ T6304] dump_stack+0x1c/0x5c [ 221.469107][ T6304] sysfs_create_dir_ns+0x22c/0x24c [ 221.469833][ T6304] kobject_add_internal+0x590/0xc54 [ 221.470662][ T6304] kobject_init_and_add+0x118/0x17c [ 221.471404][ T6304] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.472220][ T6304] gfs2_fill_super+0xdac/0x19e0 [ 221.473012][ T6304] get_tree_bdev+0x358/0x544 [ 221.473788][ T6304] gfs2_get_tree+0x54/0x1b4 [ 221.474536][ T6304] vfs_get_tree+0x90/0x274 [ 221.475274][ T6304] do_new_mount+0x228/0x810 [ 221.475996][ T6304] path_mount+0x5b4/0x1000 [ 221.476620][ T6304] __arm64_sys_mount+0x514/0x5e4 [ 221.477353][ T6304] invoke_syscall+0x98/0x2b8 [ 221.478048][ T6304] el0_svc_common+0x138/0x258 [ 221.478734][ T6304] do_el0_svc+0x58/0x14c [ 221.479454][ T6304] el0_svc+0x78/0x1e0 [ 221.480099][ T6304] el0t_64_sync_handler+0xcc/0xe4 [ 221.480824][ T6304] el0t_64_sync+0x1a0/0x1a4 [ 221.483238][ T6304] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.485180][ T6304] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:41 executed programs: 652 [ 221.617535][ T6306] loop1: detected capacity change from 0 to 32768 [ 221.626372][ T6306] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.627691][ T6306] CPU: 1 PID: 6306 Comm: syz.1.666 Not tainted syzkaller #0 [ 221.628734][ T6306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.630169][ T6306] Call trace: [ 221.630678][ T6306] dump_backtrace+0x0/0x43c [ 221.631336][ T6306] show_stack+0x2c/0x3c [ 221.631919][ T6306] __dump_stack+0x30/0x40 [ 221.632588][ T6306] dump_stack_lvl+0xf8/0x160 [ 221.633223][ T6306] dump_stack+0x1c/0x5c [ 221.633779][ T6306] sysfs_create_dir_ns+0x22c/0x24c [ 221.634537][ T6306] kobject_add_internal+0x590/0xc54 [ 221.635303][ T6306] kobject_init_and_add+0x118/0x17c [ 221.636070][ T6306] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.636729][ T6306] gfs2_fill_super+0xdac/0x19e0 [ 221.637452][ T6306] get_tree_bdev+0x358/0x544 [ 221.638136][ T6306] gfs2_get_tree+0x54/0x1b4 [ 221.638848][ T6306] vfs_get_tree+0x90/0x274 [ 221.639555][ T6306] do_new_mount+0x228/0x810 [ 221.640283][ T6306] path_mount+0x5b4/0x1000 [ 221.640898][ T6306] __arm64_sys_mount+0x514/0x5e4 [ 221.641622][ T6306] invoke_syscall+0x98/0x2b8 [ 221.642262][ T6306] el0_svc_common+0x138/0x258 [ 221.642960][ T6306] do_el0_svc+0x58/0x14c [ 221.643604][ T6306] el0_svc+0x78/0x1e0 [ 221.644190][ T6306] el0t_64_sync_handler+0xcc/0xe4 [ 221.644934][ T6306] el0t_64_sync+0x1a0/0x1a4 [ 221.645681][ T6306] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.647698][ T6306] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.779475][ T6308] loop1: detected capacity change from 0 to 32768 [ 221.786852][ T6308] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.788048][ T6308] CPU: 1 PID: 6308 Comm: syz.1.667 Not tainted syzkaller #0 [ 221.789170][ T6308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.790606][ T6308] Call trace: [ 221.791035][ T6308] dump_backtrace+0x0/0x43c [ 221.791669][ T6308] show_stack+0x2c/0x3c [ 221.792239][ T6308] __dump_stack+0x30/0x40 [ 221.792951][ T6308] dump_stack_lvl+0xf8/0x160 [ 221.793659][ T6308] dump_stack+0x1c/0x5c [ 221.794325][ T6308] sysfs_create_dir_ns+0x22c/0x24c [ 221.795094][ T6308] kobject_add_internal+0x590/0xc54 [ 221.795882][ T6308] kobject_init_and_add+0x118/0x17c [ 221.796699][ T6308] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.797460][ T6308] gfs2_fill_super+0xdac/0x19e0 [ 221.798167][ T6308] get_tree_bdev+0x358/0x544 [ 221.798958][ T6308] gfs2_get_tree+0x54/0x1b4 [ 221.799732][ T6308] vfs_get_tree+0x90/0x274 [ 221.800484][ T6308] do_new_mount+0x228/0x810 [ 221.801186][ T6308] path_mount+0x5b4/0x1000 [ 221.801829][ T6308] __arm64_sys_mount+0x514/0x5e4 [ 221.802575][ T6308] invoke_syscall+0x98/0x2b8 [ 221.803225][ T6308] el0_svc_common+0x138/0x258 [ 221.803944][ T6308] do_el0_svc+0x58/0x14c [ 221.804588][ T6308] el0_svc+0x78/0x1e0 [ 221.805192][ T6308] el0t_64_sync_handler+0xcc/0xe4 [ 221.805964][ T6308] el0t_64_sync+0x1a0/0x1a4 [ 221.806734][ T6308] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.808578][ T6308] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.933694][ T6310] loop1: detected capacity change from 0 to 32768 [ 221.968615][ T6310] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.969937][ T6310] CPU: 1 PID: 6310 Comm: syz.1.668 Not tainted syzkaller #0 [ 221.971011][ T6310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.972416][ T6310] Call trace: [ 221.972865][ T6310] dump_backtrace+0x0/0x43c [ 221.973504][ T6310] show_stack+0x2c/0x3c [ 221.974117][ T6310] __dump_stack+0x30/0x40 [ 221.974771][ T6310] dump_stack_lvl+0xf8/0x160 [ 221.975464][ T6310] dump_stack+0x1c/0x5c [ 221.976151][ T6310] sysfs_create_dir_ns+0x22c/0x24c [ 221.976954][ T6310] kobject_add_internal+0x590/0xc54 [ 221.977676][ T6310] kobject_init_and_add+0x118/0x17c [ 221.978540][ T6310] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.979265][ T6310] gfs2_fill_super+0xdac/0x19e0 [ 221.980012][ T6310] get_tree_bdev+0x358/0x544 [ 221.980671][ T6310] gfs2_get_tree+0x54/0x1b4 [ 221.981401][ T6310] vfs_get_tree+0x90/0x274 [ 221.982052][ T6310] do_new_mount+0x228/0x810 [ 221.982790][ T6310] path_mount+0x5b4/0x1000 [ 221.983419][ T6310] __arm64_sys_mount+0x514/0x5e4 [ 221.984162][ T6310] invoke_syscall+0x98/0x2b8 [ 221.984822][ T6310] el0_svc_common+0x138/0x258 [ 221.985479][ T6310] do_el0_svc+0x58/0x14c [ 221.986126][ T6310] el0_svc+0x78/0x1e0 [ 221.986683][ T6310] el0t_64_sync_handler+0xcc/0xe4 [ 221.987449][ T6310] el0t_64_sync+0x1a0/0x1a4 [ 221.989569][ T6310] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.991392][ T6310] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.119575][ T6312] loop1: detected capacity change from 0 to 32768 [ 222.157858][ T6312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.159014][ T6312] CPU: 0 PID: 6312 Comm: syz.1.669 Not tainted syzkaller #0 [ 222.160040][ T6312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.161492][ T6312] Call trace: [ 222.161996][ T6312] dump_backtrace+0x0/0x43c [ 222.162682][ T6312] show_stack+0x2c/0x3c [ 222.163261][ T6312] __dump_stack+0x30/0x40 [ 222.163915][ T6312] dump_stack_lvl+0xf8/0x160 [ 222.164559][ T6312] dump_stack+0x1c/0x5c [ 222.165176][ T6312] sysfs_create_dir_ns+0x22c/0x24c [ 222.165927][ T6312] kobject_add_internal+0x590/0xc54 [ 222.166658][ T6312] kobject_init_and_add+0x118/0x17c [ 222.167401][ T6312] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.168093][ T6312] gfs2_fill_super+0xdac/0x19e0 [ 222.168800][ T6312] get_tree_bdev+0x358/0x544 [ 222.169505][ T6312] gfs2_get_tree+0x54/0x1b4 [ 222.170205][ T6312] vfs_get_tree+0x90/0x274 [ 222.170843][ T6312] do_new_mount+0x228/0x810 [ 222.171467][ T6312] path_mount+0x5b4/0x1000 [ 222.172111][ T6312] __arm64_sys_mount+0x514/0x5e4 [ 222.172888][ T6312] invoke_syscall+0x98/0x2b8 [ 222.173657][ T6312] el0_svc_common+0x138/0x258 [ 222.174456][ T6312] do_el0_svc+0x58/0x14c [ 222.175141][ T6312] el0_svc+0x78/0x1e0 [ 222.175790][ T6312] el0t_64_sync_handler+0xcc/0xe4 [ 222.176642][ T6312] el0t_64_sync+0x1a0/0x1a4 [ 222.178573][ T6312] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.180486][ T6312] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.309264][ T6314] loop1: detected capacity change from 0 to 32768 [ 222.317003][ T6314] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.318203][ T6314] CPU: 0 PID: 6314 Comm: syz.1.670 Not tainted syzkaller #0 [ 222.319415][ T6314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.321095][ T6314] Call trace: [ 222.321680][ T6314] dump_backtrace+0x0/0x43c [ 222.322458][ T6314] show_stack+0x2c/0x3c [ 222.323131][ T6314] __dump_stack+0x30/0x40 [ 222.323839][ T6314] dump_stack_lvl+0xf8/0x160 [ 222.324610][ T6314] dump_stack+0x1c/0x5c [ 222.325290][ T6314] sysfs_create_dir_ns+0x22c/0x24c [ 222.326156][ T6314] kobject_add_internal+0x590/0xc54 [ 222.326979][ T6314] kobject_init_and_add+0x118/0x17c [ 222.327845][ T6314] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.328611][ T6314] gfs2_fill_super+0xdac/0x19e0 [ 222.329352][ T6314] get_tree_bdev+0x358/0x544 [ 222.330072][ T6314] gfs2_get_tree+0x54/0x1b4 [ 222.330834][ T6314] vfs_get_tree+0x90/0x274 [ 222.331539][ T6314] do_new_mount+0x228/0x810 [ 222.332388][ T6314] path_mount+0x5b4/0x1000 [ 222.333130][ T6314] __arm64_sys_mount+0x514/0x5e4 [ 222.333978][ T6314] invoke_syscall+0x98/0x2b8 [ 222.334728][ T6314] el0_svc_common+0x138/0x258 [ 222.335502][ T6314] do_el0_svc+0x58/0x14c [ 222.336197][ T6314] el0_svc+0x78/0x1e0 [ 222.336803][ T6314] el0t_64_sync_handler+0xcc/0xe4 [ 222.337609][ T6314] el0t_64_sync+0x1a0/0x1a4 [ 222.340065][ T6314] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.341962][ T6314] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.506420][ T6316] loop1: detected capacity change from 0 to 32768 [ 222.608826][ T6316] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.609939][ T6316] CPU: 1 PID: 6316 Comm: syz.1.671 Not tainted syzkaller #0 [ 222.611032][ T6316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.612583][ T6316] Call trace: [ 222.613098][ T6316] dump_backtrace+0x0/0x43c [ 222.613812][ T6316] show_stack+0x2c/0x3c [ 222.614420][ T6316] __dump_stack+0x30/0x40 [ 222.615092][ T6316] dump_stack_lvl+0xf8/0x160 [ 222.615771][ T6316] dump_stack+0x1c/0x5c [ 222.616387][ T6316] sysfs_create_dir_ns+0x22c/0x24c [ 222.617154][ T6316] kobject_add_internal+0x590/0xc54 [ 222.617913][ T6316] kobject_init_and_add+0x118/0x17c [ 222.618710][ T6316] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.619404][ T6316] gfs2_fill_super+0xdac/0x19e0 [ 222.620059][ T6316] get_tree_bdev+0x358/0x544 [ 222.620714][ T6316] gfs2_get_tree+0x54/0x1b4 [ 222.621378][ T6316] vfs_get_tree+0x90/0x274 [ 222.622013][ T6316] do_new_mount+0x228/0x810 [ 222.622663][ T6316] path_mount+0x5b4/0x1000 [ 222.623371][ T6316] __arm64_sys_mount+0x514/0x5e4 [ 222.624104][ T6316] invoke_syscall+0x98/0x2b8 [ 222.624776][ T6316] el0_svc_common+0x138/0x258 [ 222.625516][ T6316] do_el0_svc+0x58/0x14c [ 222.626145][ T6316] el0_svc+0x78/0x1e0 [ 222.626772][ T6316] el0t_64_sync_handler+0xcc/0xe4 [ 222.627590][ T6316] el0t_64_sync+0x1a0/0x1a4 [ 222.629714][ T6316] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.631722][ T6316] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.761432][ T6318] loop1: detected capacity change from 0 to 32768 [ 222.768742][ T6318] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.769942][ T6318] CPU: 1 PID: 6318 Comm: syz.1.672 Not tainted syzkaller #0 [ 222.770946][ T6318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.772320][ T6318] Call trace: [ 222.772813][ T6318] dump_backtrace+0x0/0x43c [ 222.773462][ T6318] show_stack+0x2c/0x3c [ 222.774059][ T6318] __dump_stack+0x30/0x40 [ 222.774647][ T6318] dump_stack_lvl+0xf8/0x160 [ 222.775324][ T6318] dump_stack+0x1c/0x5c [ 222.775866][ T6318] sysfs_create_dir_ns+0x22c/0x24c [ 222.776730][ T6318] kobject_add_internal+0x590/0xc54 [ 222.777598][ T6318] kobject_init_and_add+0x118/0x17c [ 222.778437][ T6318] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.779171][ T6318] gfs2_fill_super+0xdac/0x19e0 [ 222.779912][ T6318] get_tree_bdev+0x358/0x544 [ 222.780673][ T6318] gfs2_get_tree+0x54/0x1b4 [ 222.781333][ T6318] vfs_get_tree+0x90/0x274 [ 222.782050][ T6318] do_new_mount+0x228/0x810 [ 222.782778][ T6318] path_mount+0x5b4/0x1000 [ 222.783531][ T6318] __arm64_sys_mount+0x514/0x5e4 [ 222.784333][ T6318] invoke_syscall+0x98/0x2b8 [ 222.785020][ T6318] el0_svc_common+0x138/0x258 [ 222.785772][ T6318] do_el0_svc+0x58/0x14c [ 222.786386][ T6318] el0_svc+0x78/0x1e0 [ 222.786993][ T6318] el0t_64_sync_handler+0xcc/0xe4 [ 222.787747][ T6318] el0t_64_sync+0x1a0/0x1a4 [ 222.789894][ T6318] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.791815][ T6318] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.921220][ T6320] loop1: detected capacity change from 0 to 32768 [ 222.962473][ T6320] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.963556][ T6320] CPU: 1 PID: 6320 Comm: syz.1.673 Not tainted syzkaller #0 [ 222.964533][ T6320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.966131][ T6320] Call trace: [ 222.966631][ T6320] dump_backtrace+0x0/0x43c [ 222.967282][ T6320] show_stack+0x2c/0x3c [ 222.967872][ T6320] __dump_stack+0x30/0x40 [ 222.968503][ T6320] dump_stack_lvl+0xf8/0x160 [ 222.969228][ T6320] dump_stack+0x1c/0x5c [ 222.969908][ T6320] sysfs_create_dir_ns+0x22c/0x24c [ 222.970717][ T6320] kobject_add_internal+0x590/0xc54 [ 222.971557][ T6320] kobject_init_and_add+0x118/0x17c [ 222.972471][ T6320] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.973243][ T6320] gfs2_fill_super+0xdac/0x19e0 [ 222.974033][ T6320] get_tree_bdev+0x358/0x544 [ 222.974734][ T6320] gfs2_get_tree+0x54/0x1b4 [ 222.975388][ T6320] vfs_get_tree+0x90/0x274 [ 222.976011][ T6320] do_new_mount+0x228/0x810 [ 222.976671][ T6320] path_mount+0x5b4/0x1000 [ 222.977366][ T6320] __arm64_sys_mount+0x514/0x5e4 [ 222.978174][ T6320] invoke_syscall+0x98/0x2b8 [ 222.978893][ T6320] el0_svc_common+0x138/0x258 [ 222.979631][ T6320] do_el0_svc+0x58/0x14c [ 222.980245][ T6320] el0_svc+0x78/0x1e0 [ 222.980838][ T6320] el0t_64_sync_handler+0xcc/0xe4 [ 222.981576][ T6320] el0t_64_sync+0x1a0/0x1a4 [ 222.983660][ T6320] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.985603][ T6320] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.116236][ T6322] loop1: detected capacity change from 0 to 32768 [ 223.162210][ T6322] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.163340][ T6322] CPU: 1 PID: 6322 Comm: syz.1.674 Not tainted syzkaller #0 [ 223.164414][ T6322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.165868][ T6322] Call trace: [ 223.166385][ T6322] dump_backtrace+0x0/0x43c [ 223.167101][ T6322] show_stack+0x2c/0x3c [ 223.167719][ T6322] __dump_stack+0x30/0x40 [ 223.168365][ T6322] dump_stack_lvl+0xf8/0x160 [ 223.169048][ T6322] dump_stack+0x1c/0x5c [ 223.169614][ T6322] sysfs_create_dir_ns+0x22c/0x24c [ 223.170384][ T6322] kobject_add_internal+0x590/0xc54 [ 223.171158][ T6322] kobject_init_and_add+0x118/0x17c [ 223.171978][ T6322] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.172753][ T6322] gfs2_fill_super+0xdac/0x19e0 [ 223.173513][ T6322] get_tree_bdev+0x358/0x544 [ 223.174255][ T6322] gfs2_get_tree+0x54/0x1b4 [ 223.174993][ T6322] vfs_get_tree+0x90/0x274 [ 223.175715][ T6322] do_new_mount+0x228/0x810 [ 223.176473][ T6322] path_mount+0x5b4/0x1000 [ 223.177181][ T6322] __arm64_sys_mount+0x514/0x5e4 [ 223.177976][ T6322] invoke_syscall+0x98/0x2b8 [ 223.178773][ T6322] el0_svc_common+0x138/0x258 [ 223.179580][ T6322] do_el0_svc+0x58/0x14c [ 223.180244][ T6322] el0_svc+0x78/0x1e0 [ 223.180842][ T6322] el0t_64_sync_handler+0xcc/0xe4 [ 223.181642][ T6322] el0t_64_sync+0x1a0/0x1a4 [ 223.183791][ T6322] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.185453][ T6322] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.317138][ T6324] loop1: detected capacity change from 0 to 32768 [ 223.324469][ T6324] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.325628][ T6324] CPU: 1 PID: 6324 Comm: syz.1.675 Not tainted syzkaller #0 [ 223.326826][ T6324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.328481][ T6324] Call trace: [ 223.329027][ T6324] dump_backtrace+0x0/0x43c [ 223.329807][ T6324] show_stack+0x2c/0x3c [ 223.330499][ T6324] __dump_stack+0x30/0x40 [ 223.331251][ T6324] dump_stack_lvl+0xf8/0x160 [ 223.332081][ T6324] dump_stack+0x1c/0x5c [ 223.332793][ T6324] sysfs_create_dir_ns+0x22c/0x24c [ 223.333657][ T6324] kobject_add_internal+0x590/0xc54 [ 223.334497][ T6324] kobject_init_and_add+0x118/0x17c [ 223.335292][ T6324] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.336013][ T6324] gfs2_fill_super+0xdac/0x19e0 [ 223.336804][ T6324] get_tree_bdev+0x358/0x544 [ 223.337584][ T6324] gfs2_get_tree+0x54/0x1b4 [ 223.338313][ T6324] vfs_get_tree+0x90/0x274 [ 223.339051][ T6324] do_new_mount+0x228/0x810 [ 223.339713][ T6324] path_mount+0x5b4/0x1000 [ 223.340374][ T6324] __arm64_sys_mount+0x514/0x5e4 [ 223.341089][ T6324] invoke_syscall+0x98/0x2b8 [ 223.341762][ T6324] el0_svc_common+0x138/0x258 [ 223.342437][ T6324] do_el0_svc+0x58/0x14c [ 223.343076][ T6324] el0_svc+0x78/0x1e0 [ 223.343620][ T6324] el0t_64_sync_handler+0xcc/0xe4 [ 223.344374][ T6324] el0t_64_sync+0x1a0/0x1a4 [ 223.346471][ T6324] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.348513][ T6324] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.482768][ T6326] loop1: detected capacity change from 0 to 32768 [ 223.490717][ T6326] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.491918][ T6326] CPU: 1 PID: 6326 Comm: syz.1.676 Not tainted syzkaller #0 [ 223.493120][ T6326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.494734][ T6326] Call trace: [ 223.495525][ T6326] dump_backtrace+0x0/0x43c [ 223.496231][ T6326] show_stack+0x2c/0x3c [ 223.496828][ T6326] __dump_stack+0x30/0x40 [ 223.497496][ T6326] dump_stack_lvl+0xf8/0x160 [ 223.498219][ T6326] dump_stack+0x1c/0x5c [ 223.498886][ T6326] sysfs_create_dir_ns+0x22c/0x24c [ 223.499725][ T6326] kobject_add_internal+0x590/0xc54 [ 223.500619][ T6326] kobject_init_and_add+0x118/0x17c [ 223.501502][ T6326] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.502254][ T6326] gfs2_fill_super+0xdac/0x19e0 [ 223.503049][ T6326] get_tree_bdev+0x358/0x544 [ 223.503841][ T6326] gfs2_get_tree+0x54/0x1b4 [ 223.504555][ T6326] vfs_get_tree+0x90/0x274 [ 223.505241][ T6326] do_new_mount+0x228/0x810 [ 223.505997][ T6326] path_mount+0x5b4/0x1000 [ 223.506763][ T6326] __arm64_sys_mount+0x514/0x5e4 [ 223.507523][ T6326] invoke_syscall+0x98/0x2b8 [ 223.508242][ T6326] el0_svc_common+0x138/0x258 [ 223.508976][ T6326] do_el0_svc+0x58/0x14c [ 223.509590][ T6326] el0_svc+0x78/0x1e0 [ 223.510149][ T6326] el0t_64_sync_handler+0xcc/0xe4 [ 223.510859][ T6326] el0t_64_sync+0x1a0/0x1a4 [ 223.511690][ T6326] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.513609][ T6326] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.643173][ T6328] loop1: detected capacity change from 0 to 32768 [ 223.650014][ T6328] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.651129][ T6328] CPU: 0 PID: 6328 Comm: syz.1.677 Not tainted syzkaller #0 [ 223.652227][ T6328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.653856][ T6328] Call trace: [ 223.654407][ T6328] dump_backtrace+0x0/0x43c [ 223.655131][ T6328] show_stack+0x2c/0x3c [ 223.655810][ T6328] __dump_stack+0x30/0x40 [ 223.656498][ T6328] dump_stack_lvl+0xf8/0x160 [ 223.657261][ T6328] dump_stack+0x1c/0x5c [ 223.657932][ T6328] sysfs_create_dir_ns+0x22c/0x24c [ 223.658732][ T6328] kobject_add_internal+0x590/0xc54 [ 223.659548][ T6328] kobject_init_and_add+0x118/0x17c [ 223.660412][ T6328] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.661100][ T6328] gfs2_fill_super+0xdac/0x19e0 [ 223.661889][ T6328] get_tree_bdev+0x358/0x544 [ 223.662597][ T6328] gfs2_get_tree+0x54/0x1b4 [ 223.663278][ T6328] vfs_get_tree+0x90/0x274 [ 223.663948][ T6328] do_new_mount+0x228/0x810 [ 223.664716][ T6328] path_mount+0x5b4/0x1000 [ 223.665517][ T6328] __arm64_sys_mount+0x514/0x5e4 [ 223.666284][ T6328] invoke_syscall+0x98/0x2b8 [ 223.667042][ T6328] el0_svc_common+0x138/0x258 [ 223.667808][ T6328] do_el0_svc+0x58/0x14c [ 223.668448][ T6328] el0_svc+0x78/0x1e0 [ 223.669049][ T6328] el0t_64_sync_handler+0xcc/0xe4 [ 223.669898][ T6328] el0t_64_sync+0x1a0/0x1a4 [ 223.672259][ T6328] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.674073][ T6328] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.803840][ T6330] loop1: detected capacity change from 0 to 32768 [ 223.810890][ T6330] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.812092][ T6330] CPU: 0 PID: 6330 Comm: syz.1.678 Not tainted syzkaller #0 [ 223.813102][ T6330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.814555][ T6330] Call trace: [ 223.815005][ T6330] dump_backtrace+0x0/0x43c [ 223.815631][ T6330] show_stack+0x2c/0x3c [ 223.816285][ T6330] __dump_stack+0x30/0x40 [ 223.817015][ T6330] dump_stack_lvl+0xf8/0x160 [ 223.817828][ T6330] dump_stack+0x1c/0x5c [ 223.818508][ T6330] sysfs_create_dir_ns+0x22c/0x24c [ 223.819310][ T6330] kobject_add_internal+0x590/0xc54 [ 223.820136][ T6330] kobject_init_and_add+0x118/0x17c [ 223.820939][ T6330] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.821700][ T6330] gfs2_fill_super+0xdac/0x19e0 [ 223.822501][ T6330] get_tree_bdev+0x358/0x544 [ 223.823268][ T6330] gfs2_get_tree+0x54/0x1b4 [ 223.824034][ T6330] vfs_get_tree+0x90/0x274 [ 223.824727][ T6330] do_new_mount+0x228/0x810 [ 223.825418][ T6330] path_mount+0x5b4/0x1000 [ 223.826174][ T6330] __arm64_sys_mount+0x514/0x5e4 [ 223.827001][ T6330] invoke_syscall+0x98/0x2b8 [ 223.827737][ T6330] el0_svc_common+0x138/0x258 [ 223.828506][ T6330] do_el0_svc+0x58/0x14c [ 223.829237][ T6330] el0_svc+0x78/0x1e0 [ 223.829920][ T6330] el0t_64_sync_handler+0xcc/0xe4 [ 223.830734][ T6330] el0t_64_sync+0x1a0/0x1a4 [ 223.832900][ T6330] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.834795][ T6330] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.970928][ T6332] loop1: detected capacity change from 0 to 32768 [ 223.979299][ T6332] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.980466][ T6332] CPU: 0 PID: 6332 Comm: syz.1.679 Not tainted syzkaller #0 [ 223.981575][ T6332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.983201][ T6332] Call trace: [ 223.983697][ T6332] dump_backtrace+0x0/0x43c [ 223.984431][ T6332] show_stack+0x2c/0x3c [ 223.985123][ T6332] __dump_stack+0x30/0x40 [ 223.985804][ T6332] dump_stack_lvl+0xf8/0x160 [ 223.986479][ T6332] dump_stack+0x1c/0x5c [ 223.987156][ T6332] sysfs_create_dir_ns+0x22c/0x24c [ 223.988034][ T6332] kobject_add_internal+0x590/0xc54 [ 223.988881][ T6332] kobject_init_and_add+0x118/0x17c [ 223.989765][ T6332] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.990646][ T6332] gfs2_fill_super+0xdac/0x19e0 [ 223.991510][ T6332] get_tree_bdev+0x358/0x544 [ 223.992251][ T6332] gfs2_get_tree+0x54/0x1b4 [ 223.992997][ T6332] vfs_get_tree+0x90/0x274 [ 223.993703][ T6332] do_new_mount+0x228/0x810 [ 223.994310][ T6332] path_mount+0x5b4/0x1000 [ 223.994959][ T6332] __arm64_sys_mount+0x514/0x5e4 [ 223.995709][ T6332] invoke_syscall+0x98/0x2b8 [ 223.996373][ T6332] el0_svc_common+0x138/0x258 [ 223.997103][ T6332] do_el0_svc+0x58/0x14c [ 223.997726][ T6332] el0_svc+0x78/0x1e0 [ 223.998320][ T6332] el0t_64_sync_handler+0xcc/0xe4 [ 223.999072][ T6332] el0t_64_sync+0x1a0/0x1a4 [ 224.001186][ T6332] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.003245][ T6332] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.133450][ T6334] loop1: detected capacity change from 0 to 32768 [ 224.177894][ T6334] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.179159][ T6334] CPU: 1 PID: 6334 Comm: syz.1.680 Not tainted syzkaller #0 [ 224.180337][ T6334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.182024][ T6334] Call trace: [ 224.182542][ T6334] dump_backtrace+0x0/0x43c [ 224.183292][ T6334] show_stack+0x2c/0x3c [ 224.184003][ T6334] __dump_stack+0x30/0x40 [ 224.184670][ T6334] dump_stack_lvl+0xf8/0x160 [ 224.185437][ T6334] dump_stack+0x1c/0x5c [ 224.186169][ T6334] sysfs_create_dir_ns+0x22c/0x24c [ 224.187018][ T6334] kobject_add_internal+0x590/0xc54 [ 224.187885][ T6334] kobject_init_and_add+0x118/0x17c [ 224.188775][ T6334] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.189595][ T6334] gfs2_fill_super+0xdac/0x19e0 [ 224.190401][ T6334] get_tree_bdev+0x358/0x544 [ 224.191152][ T6334] gfs2_get_tree+0x54/0x1b4 [ 224.191889][ T6334] vfs_get_tree+0x90/0x274 [ 224.192600][ T6334] do_new_mount+0x228/0x810 [ 224.193292][ T6334] path_mount+0x5b4/0x1000 [ 224.193977][ T6334] __arm64_sys_mount+0x514/0x5e4 [ 224.194694][ T6334] invoke_syscall+0x98/0x2b8 [ 224.195448][ T6334] el0_svc_common+0x138/0x258 [ 224.196184][ T6334] do_el0_svc+0x58/0x14c [ 224.196837][ T6334] el0_svc+0x78/0x1e0 [ 224.197459][ T6334] el0t_64_sync_handler+0xcc/0xe4 [ 224.198279][ T6334] el0t_64_sync+0x1a0/0x1a4 [ 224.199470][ T6334] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.201544][ T6334] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.330277][ T6336] loop1: detected capacity change from 0 to 32768 [ 224.367857][ T6336] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.369053][ T6336] CPU: 0 PID: 6336 Comm: syz.1.681 Not tainted syzkaller #0 [ 224.370269][ T6336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.371865][ T6336] Call trace: [ 224.372365][ T6336] dump_backtrace+0x0/0x43c [ 224.373076][ T6336] show_stack+0x2c/0x3c [ 224.373674][ T6336] __dump_stack+0x30/0x40 [ 224.374312][ T6336] dump_stack_lvl+0xf8/0x160 [ 224.375087][ T6336] dump_stack+0x1c/0x5c [ 224.375768][ T6336] sysfs_create_dir_ns+0x22c/0x24c [ 224.376595][ T6336] kobject_add_internal+0x590/0xc54 [ 224.377404][ T6336] kobject_init_and_add+0x118/0x17c [ 224.378207][ T6336] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.378938][ T6336] gfs2_fill_super+0xdac/0x19e0 [ 224.379662][ T6336] get_tree_bdev+0x358/0x544 [ 224.380358][ T6336] gfs2_get_tree+0x54/0x1b4 [ 224.381035][ T6336] vfs_get_tree+0x90/0x274 [ 224.381698][ T6336] do_new_mount+0x228/0x810 [ 224.382340][ T6336] path_mount+0x5b4/0x1000 [ 224.382991][ T6336] __arm64_sys_mount+0x514/0x5e4 [ 224.383842][ T6336] invoke_syscall+0x98/0x2b8 [ 224.384598][ T6336] el0_svc_common+0x138/0x258 [ 224.385369][ T6336] do_el0_svc+0x58/0x14c [ 224.385969][ T6336] el0_svc+0x78/0x1e0 [ 224.386601][ T6336] el0t_64_sync_handler+0xcc/0xe4 [ 224.387343][ T6336] el0t_64_sync+0x1a0/0x1a4 [ 224.388723][ T6336] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.390679][ T6336] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.567919][ T6338] loop1: detected capacity change from 0 to 32768 [ 224.574888][ T6338] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.576015][ T6338] CPU: 1 PID: 6338 Comm: syz.1.682 Not tainted syzkaller #0 [ 224.577060][ T6338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.578620][ T6338] Call trace: [ 224.579138][ T6338] dump_backtrace+0x0/0x43c [ 224.579793][ T6338] show_stack+0x2c/0x3c [ 224.580418][ T6338] __dump_stack+0x30/0x40 [ 224.581051][ T6338] dump_stack_lvl+0xf8/0x160 [ 224.581722][ T6338] dump_stack+0x1c/0x5c [ 224.582359][ T6338] sysfs_create_dir_ns+0x22c/0x24c [ 224.583134][ T6338] kobject_add_internal+0x590/0xc54 [ 224.583983][ T6338] kobject_init_and_add+0x118/0x17c [ 224.584874][ T6338] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.585576][ T6338] gfs2_fill_super+0xdac/0x19e0 [ 224.586320][ T6338] get_tree_bdev+0x358/0x544 [ 224.587053][ T6338] gfs2_get_tree+0x54/0x1b4 [ 224.587760][ T6338] vfs_get_tree+0x90/0x274 [ 224.588450][ T6338] do_new_mount+0x228/0x810 [ 224.589174][ T6338] path_mount+0x5b4/0x1000 [ 224.589887][ T6338] __arm64_sys_mount+0x514/0x5e4 [ 224.590597][ T6338] invoke_syscall+0x98/0x2b8 [ 224.591297][ T6338] el0_svc_common+0x138/0x258 [ 224.592005][ T6338] do_el0_svc+0x58/0x14c [ 224.592611][ T6338] el0_svc+0x78/0x1e0 [ 224.593144][ T6338] el0t_64_sync_handler+0xcc/0xe4 [ 224.593819][ T6338] el0t_64_sync+0x1a0/0x1a4 [ 224.595438][ T6338] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.597342][ T6338] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.739131][ T6340] loop1: detected capacity change from 0 to 32768 [ 224.832478][ T6340] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.833683][ T6340] CPU: 1 PID: 6340 Comm: syz.1.683 Not tainted syzkaller #0 [ 224.834868][ T6340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.836378][ T6340] Call trace: [ 224.836905][ T6340] dump_backtrace+0x0/0x43c [ 224.837588][ T6340] show_stack+0x2c/0x3c [ 224.838249][ T6340] __dump_stack+0x30/0x40 [ 224.838917][ T6340] dump_stack_lvl+0xf8/0x160 [ 224.839633][ T6340] dump_stack+0x1c/0x5c [ 224.840214][ T6340] sysfs_create_dir_ns+0x22c/0x24c [ 224.841006][ T6340] kobject_add_internal+0x590/0xc54 [ 224.841776][ T6340] kobject_init_and_add+0x118/0x17c [ 224.842569][ T6340] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.843273][ T6340] gfs2_fill_super+0xdac/0x19e0 [ 224.844055][ T6340] get_tree_bdev+0x358/0x544 [ 224.844782][ T6340] gfs2_get_tree+0x54/0x1b4 [ 224.845516][ T6340] vfs_get_tree+0x90/0x274 [ 224.846217][ T6340] do_new_mount+0x228/0x810 [ 224.846967][ T6340] path_mount+0x5b4/0x1000 [ 224.847720][ T6340] __arm64_sys_mount+0x514/0x5e4 [ 224.848515][ T6340] invoke_syscall+0x98/0x2b8 [ 224.849253][ T6340] el0_svc_common+0x138/0x258 [ 224.849970][ T6340] do_el0_svc+0x58/0x14c [ 224.850646][ T6340] el0_svc+0x78/0x1e0 [ 224.851215][ T6340] el0t_64_sync_handler+0xcc/0xe4 [ 224.851956][ T6340] el0t_64_sync+0x1a0/0x1a4 [ 224.854026][ T6340] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.855934][ T6340] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.985946][ T6342] loop1: detected capacity change from 0 to 32768 [ 224.992941][ T6342] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.994154][ T6342] CPU: 1 PID: 6342 Comm: syz.1.684 Not tainted syzkaller #0 [ 224.995322][ T6342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.996866][ T6342] Call trace: [ 224.997393][ T6342] dump_backtrace+0x0/0x43c [ 224.998088][ T6342] show_stack+0x2c/0x3c [ 224.998672][ T6342] __dump_stack+0x30/0x40 [ 224.999290][ T6342] dump_stack_lvl+0xf8/0x160 [ 225.000009][ T6342] dump_stack+0x1c/0x5c [ 225.000688][ T6342] sysfs_create_dir_ns+0x22c/0x24c [ 225.001532][ T6342] kobject_add_internal+0x590/0xc54 [ 225.002358][ T6342] kobject_init_and_add+0x118/0x17c [ 225.003132][ T6342] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.003890][ T6342] gfs2_fill_super+0xdac/0x19e0 [ 225.004656][ T6342] get_tree_bdev+0x358/0x544 [ 225.005420][ T6342] gfs2_get_tree+0x54/0x1b4 [ 225.006095][ T6342] vfs_get_tree+0x90/0x274 [ 225.006722][ T6342] do_new_mount+0x228/0x810 [ 225.007391][ T6342] path_mount+0x5b4/0x1000 [ 225.008066][ T6342] __arm64_sys_mount+0x514/0x5e4 [ 225.008752][ T6342] invoke_syscall+0x98/0x2b8 [ 225.009378][ T6342] el0_svc_common+0x138/0x258 [ 225.010071][ T6342] do_el0_svc+0x58/0x14c [ 225.010639][ T6342] el0_svc+0x78/0x1e0 [ 225.011236][ T6342] el0t_64_sync_handler+0xcc/0xe4 [ 225.012035][ T6342] el0t_64_sync+0x1a0/0x1a4 [ 225.014612][ T6342] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.016425][ T6342] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.144214][ T6344] loop1: detected capacity change from 0 to 32768 [ 225.187922][ T6344] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.189016][ T6344] CPU: 1 PID: 6344 Comm: syz.1.685 Not tainted syzkaller #0 [ 225.190177][ T6344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.191779][ T6344] Call trace: [ 225.192327][ T6344] dump_backtrace+0x0/0x43c [ 225.193066][ T6344] show_stack+0x2c/0x3c [ 225.193742][ T6344] __dump_stack+0x30/0x40 [ 225.194470][ T6344] dump_stack_lvl+0xf8/0x160 [ 225.195232][ T6344] dump_stack+0x1c/0x5c [ 225.195913][ T6344] sysfs_create_dir_ns+0x22c/0x24c [ 225.196764][ T6344] kobject_add_internal+0x590/0xc54 [ 225.197587][ T6344] kobject_init_and_add+0x118/0x17c [ 225.198436][ T6344] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.199219][ T6344] gfs2_fill_super+0xdac/0x19e0 [ 225.199931][ T6344] get_tree_bdev+0x358/0x544 [ 225.200675][ T6344] gfs2_get_tree+0x54/0x1b4 [ 225.201360][ T6344] vfs_get_tree+0x90/0x274 [ 225.201997][ T6344] do_new_mount+0x228/0x810 [ 225.202744][ T6344] path_mount+0x5b4/0x1000 [ 225.203441][ T6344] __arm64_sys_mount+0x514/0x5e4 [ 225.204202][ T6344] invoke_syscall+0x98/0x2b8 [ 225.204974][ T6344] el0_svc_common+0x138/0x258 [ 225.205716][ T6344] do_el0_svc+0x58/0x14c [ 225.206392][ T6344] el0_svc+0x78/0x1e0 [ 225.207032][ T6344] el0t_64_sync_handler+0xcc/0xe4 [ 225.207899][ T6344] el0t_64_sync+0x1a0/0x1a4 [ 225.210191][ T6344] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.212004][ T6344] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.338610][ T6346] loop1: detected capacity change from 0 to 32768 [ 225.421331][ T6346] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.422455][ T6346] CPU: 1 PID: 6346 Comm: syz.1.686 Not tainted syzkaller #0 [ 225.423453][ T6346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.424981][ T6346] Call trace: [ 225.425452][ T6346] dump_backtrace+0x0/0x43c [ 225.426070][ T6346] show_stack+0x2c/0x3c [ 225.426656][ T6346] __dump_stack+0x30/0x40 [ 225.427289][ T6346] dump_stack_lvl+0xf8/0x160 [ 225.427968][ T6346] dump_stack+0x1c/0x5c [ 225.428547][ T6346] sysfs_create_dir_ns+0x22c/0x24c [ 225.429325][ T6346] kobject_add_internal+0x590/0xc54 [ 225.430090][ T6346] kobject_init_and_add+0x118/0x17c [ 225.430897][ T6346] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.431639][ T6346] gfs2_fill_super+0xdac/0x19e0 [ 225.432379][ T6346] get_tree_bdev+0x358/0x544 [ 225.433039][ T6346] gfs2_get_tree+0x54/0x1b4 [ 225.433718][ T6346] vfs_get_tree+0x90/0x274 [ 225.434299][ T6346] do_new_mount+0x228/0x810 [ 225.434935][ T6346] path_mount+0x5b4/0x1000 [ 225.435551][ T6346] __arm64_sys_mount+0x514/0x5e4 [ 225.436281][ T6346] invoke_syscall+0x98/0x2b8 [ 225.436997][ T6346] el0_svc_common+0x138/0x258 [ 225.437718][ T6346] do_el0_svc+0x58/0x14c [ 225.438361][ T6346] el0_svc+0x78/0x1e0 [ 225.438953][ T6346] el0t_64_sync_handler+0xcc/0xe4 [ 225.439689][ T6346] el0t_64_sync+0x1a0/0x1a4 [ 225.441840][ T6346] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.443897][ T6346] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.575921][ T6348] loop1: detected capacity change from 0 to 32768 [ 225.617836][ T6348] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.619087][ T6348] CPU: 0 PID: 6348 Comm: syz.1.687 Not tainted syzkaller #0 [ 225.620232][ T6348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.621714][ T6348] Call trace: [ 225.622302][ T6348] dump_backtrace+0x0/0x43c [ 225.623005][ T6348] show_stack+0x2c/0x3c [ 225.623694][ T6348] __dump_stack+0x30/0x40 [ 225.624280][ T6348] dump_stack_lvl+0xf8/0x160 [ 225.625000][ T6348] dump_stack+0x1c/0x5c [ 225.625686][ T6348] sysfs_create_dir_ns+0x22c/0x24c [ 225.626527][ T6348] kobject_add_internal+0x590/0xc54 [ 225.627329][ T6348] kobject_init_and_add+0x118/0x17c [ 225.628174][ T6348] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.628893][ T6348] gfs2_fill_super+0xdac/0x19e0 [ 225.629614][ T6348] get_tree_bdev+0x358/0x544 [ 225.630333][ T6348] gfs2_get_tree+0x54/0x1b4 [ 225.631040][ T6348] vfs_get_tree+0x90/0x274 [ 225.631685][ T6348] do_new_mount+0x228/0x810 [ 225.632298][ T6348] path_mount+0x5b4/0x1000 [ 225.632928][ T6348] __arm64_sys_mount+0x514/0x5e4 [ 225.633615][ T6348] invoke_syscall+0x98/0x2b8 [ 225.634289][ T6348] el0_svc_common+0x138/0x258 [ 225.634955][ T6348] do_el0_svc+0x58/0x14c [ 225.635555][ T6348] el0_svc+0x78/0x1e0 [ 225.636144][ T6348] el0t_64_sync_handler+0xcc/0xe4 [ 225.636899][ T6348] el0t_64_sync+0x1a0/0x1a4 [ 225.641415][ T6348] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.643206][ T6348] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.803705][ T6350] loop1: detected capacity change from 0 to 32768 [ 225.837933][ T6350] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.839008][ T6350] CPU: 0 PID: 6350 Comm: syz.1.688 Not tainted syzkaller #0 [ 225.840035][ T6350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.841535][ T6350] Call trace: [ 225.842070][ T6350] dump_backtrace+0x0/0x43c [ 225.842828][ T6350] show_stack+0x2c/0x3c [ 225.843498][ T6350] __dump_stack+0x30/0x40 [ 225.844172][ T6350] dump_stack_lvl+0xf8/0x160 [ 225.844875][ T6350] dump_stack+0x1c/0x5c [ 225.845499][ T6350] sysfs_create_dir_ns+0x22c/0x24c [ 225.846299][ T6350] kobject_add_internal+0x590/0xc54 [ 225.847072][ T6350] kobject_init_and_add+0x118/0x17c [ 225.847902][ T6350] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.848715][ T6350] gfs2_fill_super+0xdac/0x19e0 [ 225.849489][ T6350] get_tree_bdev+0x358/0x544 [ 225.850180][ T6350] gfs2_get_tree+0x54/0x1b4 [ 225.850861][ T6350] vfs_get_tree+0x90/0x274 [ 225.851504][ T6350] do_new_mount+0x228/0x810 [ 225.852094][ T6350] path_mount+0x5b4/0x1000 [ 225.852727][ T6350] __arm64_sys_mount+0x514/0x5e4 [ 225.853419][ T6350] invoke_syscall+0x98/0x2b8 [ 225.854093][ T6350] el0_svc_common+0x138/0x258 [ 225.854781][ T6350] do_el0_svc+0x58/0x14c [ 225.855371][ T6350] el0_svc+0x78/0x1e0 [ 225.855919][ T6350] el0t_64_sync_handler+0xcc/0xe4 [ 225.856625][ T6350] el0t_64_sync+0x1a0/0x1a4 [ 225.857366][ T6350] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.859371][ T6350] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.984341][ T6352] loop1: detected capacity change from 0 to 32768 [ 226.027798][ T6352] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.029118][ T6352] CPU: 1 PID: 6352 Comm: syz.1.689 Not tainted syzkaller #0 [ 226.030185][ T6352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.031684][ T6352] Call trace: [ 226.032225][ T6352] dump_backtrace+0x0/0x43c [ 226.032874][ T6352] show_stack+0x2c/0x3c [ 226.033576][ T6352] __dump_stack+0x30/0x40 [ 226.034310][ T6352] dump_stack_lvl+0xf8/0x160 [ 226.035013][ T6352] dump_stack+0x1c/0x5c [ 226.035621][ T6352] sysfs_create_dir_ns+0x22c/0x24c [ 226.036399][ T6352] kobject_add_internal+0x590/0xc54 [ 226.037196][ T6352] kobject_init_and_add+0x118/0x17c [ 226.038048][ T6352] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.038817][ T6352] gfs2_fill_super+0xdac/0x19e0 [ 226.039549][ T6352] get_tree_bdev+0x358/0x544 [ 226.040187][ T6352] gfs2_get_tree+0x54/0x1b4 [ 226.040822][ T6352] vfs_get_tree+0x90/0x274 [ 226.041550][ T6352] do_new_mount+0x228/0x810 [ 226.042202][ T6352] path_mount+0x5b4/0x1000 [ 226.042811][ T6352] __arm64_sys_mount+0x514/0x5e4 [ 226.043526][ T6352] invoke_syscall+0x98/0x2b8 [ 226.044189][ T6352] el0_svc_common+0x138/0x258 [ 226.044977][ T6352] do_el0_svc+0x58/0x14c [ 226.045576][ T6352] el0_svc+0x78/0x1e0 [ 226.046185][ T6352] el0t_64_sync_handler+0xcc/0xe4 [ 226.046991][ T6352] el0t_64_sync+0x1a0/0x1a4 [ 226.047882][ T6352] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.049744][ T6352] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.283830][ T6354] loop1: detected capacity change from 0 to 32768 [ 226.333294][ T6354] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.334746][ T6354] CPU: 1 PID: 6354 Comm: syz.1.690 Not tainted syzkaller #0 [ 226.335868][ T6354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.337443][ T6354] Call trace: [ 226.337956][ T6354] dump_backtrace+0x0/0x43c [ 226.338641][ T6354] show_stack+0x2c/0x3c [ 226.339290][ T6354] __dump_stack+0x30/0x40 [ 226.340043][ T6354] dump_stack_lvl+0xf8/0x160 [ 226.340843][ T6354] dump_stack+0x1c/0x5c [ 226.341532][ T6354] sysfs_create_dir_ns+0x22c/0x24c [ 226.342322][ T6354] kobject_add_internal+0x590/0xc54 [ 226.343218][ T6354] kobject_init_and_add+0x118/0x17c [ 226.344062][ T6354] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.344899][ T6354] gfs2_fill_super+0xdac/0x19e0 [ 226.345635][ T6354] get_tree_bdev+0x358/0x544 [ 226.346390][ T6354] gfs2_get_tree+0x54/0x1b4 [ 226.347156][ T6354] vfs_get_tree+0x90/0x274 [ 226.347891][ T6354] do_new_mount+0x228/0x810 [ 226.348627][ T6354] path_mount+0x5b4/0x1000 [ 226.349298][ T6354] __arm64_sys_mount+0x514/0x5e4 [ 226.350116][ T6354] invoke_syscall+0x98/0x2b8 [ 226.350863][ T6354] el0_svc_common+0x138/0x258 [ 226.351637][ T6354] do_el0_svc+0x58/0x14c [ 226.352334][ T6354] el0_svc+0x78/0x1e0 [ 226.352993][ T6354] el0t_64_sync_handler+0xcc/0xe4 [ 226.353775][ T6354] el0t_64_sync+0x1a0/0x1a4 [ 226.355871][ T6354] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.358208][ T6354] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.490443][ T6356] loop1: detected capacity change from 0 to 32768 [ 226.572186][ T6356] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.573363][ T6356] CPU: 1 PID: 6356 Comm: syz.1.691 Not tainted syzkaller #0 [ 226.574456][ T6356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.575988][ T6356] Call trace: [ 226.576512][ T6356] dump_backtrace+0x0/0x43c [ 226.577231][ T6356] show_stack+0x2c/0x3c [ 226.577888][ T6356] __dump_stack+0x30/0x40 [ 226.578586][ T6356] dump_stack_lvl+0xf8/0x160 [ 226.579283][ T6356] dump_stack+0x1c/0x5c [ 226.579964][ T6356] sysfs_create_dir_ns+0x22c/0x24c [ 226.580818][ T6356] kobject_add_internal+0x590/0xc54 [ 226.581631][ T6356] kobject_init_and_add+0x118/0x17c [ 226.582503][ T6356] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.583351][ T6356] gfs2_fill_super+0xdac/0x19e0 [ 226.584160][ T6356] get_tree_bdev+0x358/0x544 [ 226.584926][ T6356] gfs2_get_tree+0x54/0x1b4 [ 226.585672][ T6356] vfs_get_tree+0x90/0x274 [ 226.586300][ T6356] do_new_mount+0x228/0x810 [ 226.587001][ T6356] path_mount+0x5b4/0x1000 [ 226.587694][ T6356] __arm64_sys_mount+0x514/0x5e4 [ 226.588474][ T6356] invoke_syscall+0x98/0x2b8 [ 226.589177][ T6356] el0_svc_common+0x138/0x258 [ 226.589860][ T6356] do_el0_svc+0x58/0x14c [ 226.590524][ T6356] el0_svc+0x78/0x1e0 [ 226.591106][ T6356] el0t_64_sync_handler+0xcc/0xe4 [ 226.591853][ T6356] el0t_64_sync+0x1a0/0x1a4 [ 226.594358][ T6356] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.596250][ T6356] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:46 executed programs: 678 [ 226.728237][ T6358] loop1: detected capacity change from 0 to 32768 [ 226.735410][ T6358] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.736707][ T6358] CPU: 0 PID: 6358 Comm: syz.1.692 Not tainted syzkaller #0 [ 226.737792][ T6358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.739294][ T6358] Call trace: [ 226.739744][ T6358] dump_backtrace+0x0/0x43c [ 226.740354][ T6358] show_stack+0x2c/0x3c [ 226.740949][ T6358] __dump_stack+0x30/0x40 [ 226.741589][ T6358] dump_stack_lvl+0xf8/0x160 [ 226.742194][ T6358] dump_stack+0x1c/0x5c [ 226.742808][ T6358] sysfs_create_dir_ns+0x22c/0x24c [ 226.743563][ T6358] kobject_add_internal+0x590/0xc54 [ 226.744354][ T6358] kobject_init_and_add+0x118/0x17c [ 226.745084][ T6358] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.745777][ T6358] gfs2_fill_super+0xdac/0x19e0 [ 226.746508][ T6358] get_tree_bdev+0x358/0x544 [ 226.747164][ T6358] gfs2_get_tree+0x54/0x1b4 [ 226.747889][ T6358] vfs_get_tree+0x90/0x274 [ 226.748515][ T6358] do_new_mount+0x228/0x810 [ 226.749151][ T6358] path_mount+0x5b4/0x1000 [ 226.749798][ T6358] __arm64_sys_mount+0x514/0x5e4 [ 226.750505][ T6358] invoke_syscall+0x98/0x2b8 [ 226.751257][ T6358] el0_svc_common+0x138/0x258 [ 226.751903][ T6358] do_el0_svc+0x58/0x14c [ 226.752516][ T6358] el0_svc+0x78/0x1e0 [ 226.753085][ T6358] el0t_64_sync_handler+0xcc/0xe4 [ 226.753792][ T6358] el0t_64_sync+0x1a0/0x1a4 [ 226.754746][ T6358] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.756883][ T6358] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.881781][ T6360] loop1: detected capacity change from 0 to 32768 [ 226.918277][ T6360] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.919497][ T6360] CPU: 1 PID: 6360 Comm: syz.1.693 Not tainted syzkaller #0 [ 226.920519][ T6360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.922111][ T6360] Call trace: [ 226.922612][ T6360] dump_backtrace+0x0/0x43c [ 226.923325][ T6360] show_stack+0x2c/0x3c [ 226.923897][ T6360] __dump_stack+0x30/0x40 [ 226.924542][ T6360] dump_stack_lvl+0xf8/0x160 [ 226.925202][ T6360] dump_stack+0x1c/0x5c [ 226.925785][ T6360] sysfs_create_dir_ns+0x22c/0x24c [ 226.926603][ T6360] kobject_add_internal+0x590/0xc54 [ 226.927382][ T6360] kobject_init_and_add+0x118/0x17c [ 226.928241][ T6360] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.929003][ T6360] gfs2_fill_super+0xdac/0x19e0 [ 226.929798][ T6360] get_tree_bdev+0x358/0x544 [ 226.930589][ T6360] gfs2_get_tree+0x54/0x1b4 [ 226.931357][ T6360] vfs_get_tree+0x90/0x274 [ 226.932113][ T6360] do_new_mount+0x228/0x810 [ 226.932816][ T6360] path_mount+0x5b4/0x1000 [ 226.933461][ T6360] __arm64_sys_mount+0x514/0x5e4 [ 226.934306][ T6360] invoke_syscall+0x98/0x2b8 [ 226.935060][ T6360] el0_svc_common+0x138/0x258 [ 226.935796][ T6360] do_el0_svc+0x58/0x14c [ 226.936462][ T6360] el0_svc+0x78/0x1e0 [ 226.937106][ T6360] el0t_64_sync_handler+0xcc/0xe4 [ 226.937884][ T6360] el0t_64_sync+0x1a0/0x1a4 [ 226.940272][ T6360] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.942188][ T6360] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.074756][ T6362] loop1: detected capacity change from 0 to 32768 [ 227.082223][ T6362] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.083342][ T6362] CPU: 0 PID: 6362 Comm: syz.1.694 Not tainted syzkaller #0 [ 227.084419][ T6362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.085810][ T6362] Call trace: [ 227.086253][ T6362] dump_backtrace+0x0/0x43c [ 227.086904][ T6362] show_stack+0x2c/0x3c [ 227.087488][ T6362] __dump_stack+0x30/0x40 [ 227.088121][ T6362] dump_stack_lvl+0xf8/0x160 [ 227.088802][ T6362] dump_stack+0x1c/0x5c [ 227.089398][ T6362] sysfs_create_dir_ns+0x22c/0x24c [ 227.090161][ T6362] kobject_add_internal+0x590/0xc54 [ 227.090921][ T6362] kobject_init_and_add+0x118/0x17c [ 227.091686][ T6362] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.092448][ T6362] gfs2_fill_super+0xdac/0x19e0 [ 227.093156][ T6362] get_tree_bdev+0x358/0x544 [ 227.093834][ T6362] gfs2_get_tree+0x54/0x1b4 [ 227.094442][ T6362] vfs_get_tree+0x90/0x274 [ 227.095081][ T6362] do_new_mount+0x228/0x810 [ 227.095716][ T6362] path_mount+0x5b4/0x1000 [ 227.096390][ T6362] __arm64_sys_mount+0x514/0x5e4 [ 227.097084][ T6362] invoke_syscall+0x98/0x2b8 [ 227.097840][ T6362] el0_svc_common+0x138/0x258 [ 227.098588][ T6362] do_el0_svc+0x58/0x14c [ 227.099201][ T6362] el0_svc+0x78/0x1e0 [ 227.099743][ T6362] el0t_64_sync_handler+0xcc/0xe4 [ 227.100551][ T6362] el0t_64_sync+0x1a0/0x1a4 [ 227.101376][ T6362] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.103367][ T6362] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.229627][ T6364] loop1: detected capacity change from 0 to 32768 [ 227.267807][ T6364] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.269039][ T6364] CPU: 1 PID: 6364 Comm: syz.1.695 Not tainted syzkaller #0 [ 227.270076][ T6364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.271495][ T6364] Call trace: [ 227.272033][ T6364] dump_backtrace+0x0/0x43c [ 227.272709][ T6364] show_stack+0x2c/0x3c [ 227.273263][ T6364] __dump_stack+0x30/0x40 [ 227.273878][ T6364] dump_stack_lvl+0xf8/0x160 [ 227.274511][ T6364] dump_stack+0x1c/0x5c [ 227.275189][ T6364] sysfs_create_dir_ns+0x22c/0x24c [ 227.276004][ T6364] kobject_add_internal+0x590/0xc54 [ 227.276856][ T6364] kobject_init_and_add+0x118/0x17c [ 227.277696][ T6364] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.278442][ T6364] gfs2_fill_super+0xdac/0x19e0 [ 227.279203][ T6364] get_tree_bdev+0x358/0x544 [ 227.279939][ T6364] gfs2_get_tree+0x54/0x1b4 [ 227.280628][ T6364] vfs_get_tree+0x90/0x274 [ 227.281323][ T6364] do_new_mount+0x228/0x810 [ 227.282006][ T6364] path_mount+0x5b4/0x1000 [ 227.282714][ T6364] __arm64_sys_mount+0x514/0x5e4 [ 227.283491][ T6364] invoke_syscall+0x98/0x2b8 [ 227.284217][ T6364] el0_svc_common+0x138/0x258 [ 227.284870][ T6364] do_el0_svc+0x58/0x14c [ 227.285434][ T6364] el0_svc+0x78/0x1e0 [ 227.285979][ T6364] el0t_64_sync_handler+0xcc/0xe4 [ 227.286645][ T6364] el0t_64_sync+0x1a0/0x1a4 [ 227.288058][ T6364] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.290055][ T6364] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.443856][ T6366] loop1: detected capacity change from 0 to 32768 [ 227.540905][ T6366] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.542095][ T6366] CPU: 0 PID: 6366 Comm: syz.1.696 Not tainted syzkaller #0 [ 227.543207][ T6366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.544804][ T6366] Call trace: [ 227.545313][ T6366] dump_backtrace+0x0/0x43c [ 227.546040][ T6366] show_stack+0x2c/0x3c [ 227.546666][ T6366] __dump_stack+0x30/0x40 [ 227.547413][ T6366] dump_stack_lvl+0xf8/0x160 [ 227.548211][ T6366] dump_stack+0x1c/0x5c [ 227.548853][ T6366] sysfs_create_dir_ns+0x22c/0x24c [ 227.549635][ T6366] kobject_add_internal+0x590/0xc54 [ 227.550460][ T6366] kobject_init_and_add+0x118/0x17c [ 227.551333][ T6366] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.552109][ T6366] gfs2_fill_super+0xdac/0x19e0 [ 227.552863][ T6366] get_tree_bdev+0x358/0x544 [ 227.553624][ T6366] gfs2_get_tree+0x54/0x1b4 [ 227.554325][ T6366] vfs_get_tree+0x90/0x274 [ 227.555023][ T6366] do_new_mount+0x228/0x810 [ 227.555768][ T6366] path_mount+0x5b4/0x1000 [ 227.556526][ T6366] __arm64_sys_mount+0x514/0x5e4 [ 227.557278][ T6366] invoke_syscall+0x98/0x2b8 [ 227.558035][ T6366] el0_svc_common+0x138/0x258 [ 227.558813][ T6366] do_el0_svc+0x58/0x14c [ 227.559470][ T6366] el0_svc+0x78/0x1e0 [ 227.560138][ T6366] el0t_64_sync_handler+0xcc/0xe4 [ 227.560898][ T6366] el0t_64_sync+0x1a0/0x1a4 [ 227.562026][ T6366] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.563931][ T6366] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.694367][ T6368] loop1: detected capacity change from 0 to 32768 [ 227.728239][ T6368] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.729472][ T6368] CPU: 0 PID: 6368 Comm: syz.1.697 Not tainted syzkaller #0 [ 227.730502][ T6368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.731951][ T6368] Call trace: [ 227.732429][ T6368] dump_backtrace+0x0/0x43c [ 227.733131][ T6368] show_stack+0x2c/0x3c [ 227.733795][ T6368] __dump_stack+0x30/0x40 [ 227.734458][ T6368] dump_stack_lvl+0xf8/0x160 [ 227.735068][ T6368] dump_stack+0x1c/0x5c [ 227.735710][ T6368] sysfs_create_dir_ns+0x22c/0x24c [ 227.736480][ T6368] kobject_add_internal+0x590/0xc54 [ 227.737289][ T6368] kobject_init_and_add+0x118/0x17c [ 227.738205][ T6368] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.738973][ T6368] gfs2_fill_super+0xdac/0x19e0 [ 227.739815][ T6368] get_tree_bdev+0x358/0x544 [ 227.740518][ T6368] gfs2_get_tree+0x54/0x1b4 [ 227.741193][ T6368] vfs_get_tree+0x90/0x274 [ 227.741934][ T6368] do_new_mount+0x228/0x810 [ 227.742581][ T6368] path_mount+0x5b4/0x1000 [ 227.743189][ T6368] __arm64_sys_mount+0x514/0x5e4 [ 227.743881][ T6368] invoke_syscall+0x98/0x2b8 [ 227.744501][ T6368] el0_svc_common+0x138/0x258 [ 227.745176][ T6368] do_el0_svc+0x58/0x14c [ 227.745801][ T6368] el0_svc+0x78/0x1e0 [ 227.746377][ T6368] el0t_64_sync_handler+0xcc/0xe4 [ 227.747131][ T6368] el0t_64_sync+0x1a0/0x1a4 [ 227.749135][ T6368] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.751001][ T6368] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.879611][ T6370] loop1: detected capacity change from 0 to 32768 [ 227.887364][ T6370] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.888514][ T6370] CPU: 1 PID: 6370 Comm: syz.1.698 Not tainted syzkaller #0 [ 227.889696][ T6370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.891360][ T6370] Call trace: [ 227.891888][ T6370] dump_backtrace+0x0/0x43c [ 227.892610][ T6370] show_stack+0x2c/0x3c [ 227.893190][ T6370] __dump_stack+0x30/0x40 [ 227.893830][ T6370] dump_stack_lvl+0xf8/0x160 [ 227.894565][ T6370] dump_stack+0x1c/0x5c [ 227.895200][ T6370] sysfs_create_dir_ns+0x22c/0x24c [ 227.896019][ T6370] kobject_add_internal+0x590/0xc54 [ 227.896860][ T6370] kobject_init_and_add+0x118/0x17c [ 227.897611][ T6370] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.898335][ T6370] gfs2_fill_super+0xdac/0x19e0 [ 227.899082][ T6370] get_tree_bdev+0x358/0x544 [ 227.899749][ T6370] gfs2_get_tree+0x54/0x1b4 [ 227.900476][ T6370] vfs_get_tree+0x90/0x274 [ 227.901121][ T6370] do_new_mount+0x228/0x810 [ 227.901804][ T6370] path_mount+0x5b4/0x1000 [ 227.902432][ T6370] __arm64_sys_mount+0x514/0x5e4 [ 227.903208][ T6370] invoke_syscall+0x98/0x2b8 [ 227.903984][ T6370] el0_svc_common+0x138/0x258 [ 227.904727][ T6370] do_el0_svc+0x58/0x14c [ 227.905390][ T6370] el0_svc+0x78/0x1e0 [ 227.905959][ T6370] el0t_64_sync_handler+0xcc/0xe4 [ 227.906681][ T6370] el0t_64_sync+0x1a0/0x1a4 [ 227.908662][ T6370] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.910479][ T6370] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.040025][ T6372] loop1: detected capacity change from 0 to 32768 [ 228.096024][ T6372] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.097843][ T6372] CPU: 0 PID: 6372 Comm: syz.1.699 Not tainted syzkaller #0 [ 228.099048][ T6372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.100570][ T6372] Call trace: [ 228.101054][ T6372] dump_backtrace+0x0/0x43c [ 228.101778][ T6372] show_stack+0x2c/0x3c [ 228.102449][ T6372] __dump_stack+0x30/0x40 [ 228.103129][ T6372] dump_stack_lvl+0xf8/0x160 [ 228.103806][ T6372] dump_stack+0x1c/0x5c [ 228.104493][ T6372] sysfs_create_dir_ns+0x22c/0x24c [ 228.105298][ T6372] kobject_add_internal+0x590/0xc54 [ 228.106114][ T6372] kobject_init_and_add+0x118/0x17c [ 228.106912][ T6372] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.107658][ T6372] gfs2_fill_super+0xdac/0x19e0 [ 228.108325][ T6372] get_tree_bdev+0x358/0x544 [ 228.108977][ T6372] gfs2_get_tree+0x54/0x1b4 [ 228.109643][ T6372] vfs_get_tree+0x90/0x274 [ 228.110286][ T6372] do_new_mount+0x228/0x810 [ 228.111044][ T6372] path_mount+0x5b4/0x1000 [ 228.111805][ T6372] __arm64_sys_mount+0x514/0x5e4 [ 228.112647][ T6372] invoke_syscall+0x98/0x2b8 [ 228.113397][ T6372] el0_svc_common+0x138/0x258 [ 228.114143][ T6372] do_el0_svc+0x58/0x14c [ 228.114840][ T6372] el0_svc+0x78/0x1e0 [ 228.115462][ T6372] el0t_64_sync_handler+0xcc/0xe4 [ 228.116205][ T6372] el0t_64_sync+0x1a0/0x1a4 [ 228.117200][ T6372] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.119162][ T6372] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.245535][ T6374] loop1: detected capacity change from 0 to 32768 [ 228.307789][ T6374] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.309165][ T6374] CPU: 1 PID: 6374 Comm: syz.1.700 Not tainted syzkaller #0 [ 228.310347][ T6374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.311849][ T6374] Call trace: [ 228.312370][ T6374] dump_backtrace+0x0/0x43c [ 228.313092][ T6374] show_stack+0x2c/0x3c [ 228.313790][ T6374] __dump_stack+0x30/0x40 [ 228.314462][ T6374] dump_stack_lvl+0xf8/0x160 [ 228.315197][ T6374] dump_stack+0x1c/0x5c [ 228.315872][ T6374] sysfs_create_dir_ns+0x22c/0x24c [ 228.316700][ T6374] kobject_add_internal+0x590/0xc54 [ 228.317541][ T6374] kobject_init_and_add+0x118/0x17c [ 228.318368][ T6374] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.319129][ T6374] gfs2_fill_super+0xdac/0x19e0 [ 228.319883][ T6374] get_tree_bdev+0x358/0x544 [ 228.320582][ T6374] gfs2_get_tree+0x54/0x1b4 [ 228.321197][ T6374] vfs_get_tree+0x90/0x274 [ 228.321807][ T6374] do_new_mount+0x228/0x810 [ 228.322481][ T6374] path_mount+0x5b4/0x1000 [ 228.323159][ T6374] __arm64_sys_mount+0x514/0x5e4 [ 228.323864][ T6374] invoke_syscall+0x98/0x2b8 [ 228.324557][ T6374] el0_svc_common+0x138/0x258 [ 228.325284][ T6374] do_el0_svc+0x58/0x14c [ 228.325935][ T6374] el0_svc+0x78/0x1e0 [ 228.326590][ T6374] el0t_64_sync_handler+0xcc/0xe4 [ 228.327476][ T6374] el0t_64_sync+0x1a0/0x1a4 [ 228.329946][ T6374] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.331814][ T6374] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.456762][ T6376] loop1: detected capacity change from 0 to 32768 [ 228.499366][ T6376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.500506][ T6376] CPU: 0 PID: 6376 Comm: syz.1.701 Not tainted syzkaller #0 [ 228.501719][ T6376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.503380][ T6376] Call trace: [ 228.503922][ T6376] dump_backtrace+0x0/0x43c [ 228.504567][ T6376] show_stack+0x2c/0x3c [ 228.505208][ T6376] __dump_stack+0x30/0x40 [ 228.505968][ T6376] dump_stack_lvl+0xf8/0x160 [ 228.506757][ T6376] dump_stack+0x1c/0x5c [ 228.507511][ T6376] sysfs_create_dir_ns+0x22c/0x24c [ 228.508339][ T6376] kobject_add_internal+0x590/0xc54 [ 228.509195][ T6376] kobject_init_and_add+0x118/0x17c [ 228.510002][ T6376] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.510765][ T6376] gfs2_fill_super+0xdac/0x19e0 [ 228.511546][ T6376] get_tree_bdev+0x358/0x544 [ 228.512334][ T6376] gfs2_get_tree+0x54/0x1b4 [ 228.513086][ T6376] vfs_get_tree+0x90/0x274 [ 228.513853][ T6376] do_new_mount+0x228/0x810 [ 228.514583][ T6376] path_mount+0x5b4/0x1000 [ 228.515334][ T6376] __arm64_sys_mount+0x514/0x5e4 [ 228.516103][ T6376] invoke_syscall+0x98/0x2b8 [ 228.516830][ T6376] el0_svc_common+0x138/0x258 [ 228.517579][ T6376] do_el0_svc+0x58/0x14c [ 228.518249][ T6376] el0_svc+0x78/0x1e0 [ 228.518911][ T6376] el0t_64_sync_handler+0xcc/0xe4 [ 228.519694][ T6376] el0t_64_sync+0x1a0/0x1a4 [ 228.520717][ T6376] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.522792][ T6376] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.654309][ T6378] loop1: detected capacity change from 0 to 32768 [ 228.741326][ T6378] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.742564][ T6378] CPU: 1 PID: 6378 Comm: syz.1.702 Not tainted syzkaller #0 [ 228.743635][ T6378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.744985][ T6378] Call trace: [ 228.745510][ T6378] dump_backtrace+0x0/0x43c [ 228.746179][ T6378] show_stack+0x2c/0x3c [ 228.746785][ T6378] __dump_stack+0x30/0x40 [ 228.747489][ T6378] dump_stack_lvl+0xf8/0x160 [ 228.748304][ T6378] dump_stack+0x1c/0x5c [ 228.748988][ T6378] sysfs_create_dir_ns+0x22c/0x24c [ 228.749866][ T6378] kobject_add_internal+0x590/0xc54 [ 228.750700][ T6378] kobject_init_and_add+0x118/0x17c [ 228.751533][ T6378] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.752321][ T6378] gfs2_fill_super+0xdac/0x19e0 [ 228.753119][ T6378] get_tree_bdev+0x358/0x544 [ 228.753864][ T6378] gfs2_get_tree+0x54/0x1b4 [ 228.754514][ T6378] vfs_get_tree+0x90/0x274 [ 228.755189][ T6378] do_new_mount+0x228/0x810 [ 228.755858][ T6378] path_mount+0x5b4/0x1000 [ 228.756539][ T6378] __arm64_sys_mount+0x514/0x5e4 [ 228.757267][ T6378] invoke_syscall+0x98/0x2b8 [ 228.758005][ T6378] el0_svc_common+0x138/0x258 [ 228.758682][ T6378] do_el0_svc+0x58/0x14c [ 228.759384][ T6378] el0_svc+0x78/0x1e0 [ 228.759944][ T6378] el0t_64_sync_handler+0xcc/0xe4 [ 228.760759][ T6378] el0t_64_sync+0x1a0/0x1a4 [ 228.762889][ T6378] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.764739][ T6378] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.936314][ T6380] loop1: detected capacity change from 0 to 32768 [ 228.997840][ T6380] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.002401][ T6380] CPU: 0 PID: 6380 Comm: syz.1.703 Not tainted syzkaller #0 [ 229.003550][ T6380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.005108][ T6380] Call trace: [ 229.005648][ T6380] dump_backtrace+0x0/0x43c [ 229.006397][ T6380] show_stack+0x2c/0x3c [ 229.007021][ T6380] __dump_stack+0x30/0x40 [ 229.007714][ T6380] dump_stack_lvl+0xf8/0x160 [ 229.008384][ T6380] dump_stack+0x1c/0x5c [ 229.009072][ T6380] sysfs_create_dir_ns+0x22c/0x24c [ 229.009843][ T6380] kobject_add_internal+0x590/0xc54 [ 229.010694][ T6380] kobject_init_and_add+0x118/0x17c [ 229.011498][ T6380] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.012247][ T6380] gfs2_fill_super+0xdac/0x19e0 [ 229.012915][ T6380] get_tree_bdev+0x358/0x544 [ 229.013570][ T6380] gfs2_get_tree+0x54/0x1b4 [ 229.014288][ T6380] vfs_get_tree+0x90/0x274 [ 229.014987][ T6380] do_new_mount+0x228/0x810 [ 229.015712][ T6380] path_mount+0x5b4/0x1000 [ 229.016438][ T6380] __arm64_sys_mount+0x514/0x5e4 [ 229.017244][ T6380] invoke_syscall+0x98/0x2b8 [ 229.017980][ T6380] el0_svc_common+0x138/0x258 [ 229.018724][ T6380] do_el0_svc+0x58/0x14c [ 229.019403][ T6380] el0_svc+0x78/0x1e0 [ 229.020051][ T6380] el0t_64_sync_handler+0xcc/0xe4 [ 229.020831][ T6380] el0t_64_sync+0x1a0/0x1a4 [ 229.022961][ T6380] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.024875][ T6380] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.158173][ T6382] loop1: detected capacity change from 0 to 32768 [ 229.206730][ T6382] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.207977][ T6382] CPU: 0 PID: 6382 Comm: syz.1.704 Not tainted syzkaller #0 [ 229.209121][ T6382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.210613][ T6382] Call trace: [ 229.211078][ T6382] dump_backtrace+0x0/0x43c [ 229.211770][ T6382] show_stack+0x2c/0x3c [ 229.212451][ T6382] __dump_stack+0x30/0x40 [ 229.213111][ T6382] dump_stack_lvl+0xf8/0x160 [ 229.213791][ T6382] dump_stack+0x1c/0x5c [ 229.214431][ T6382] sysfs_create_dir_ns+0x22c/0x24c [ 229.215255][ T6382] kobject_add_internal+0x590/0xc54 [ 229.216002][ T6382] kobject_init_and_add+0x118/0x17c [ 229.216803][ T6382] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.217534][ T6382] gfs2_fill_super+0xdac/0x19e0 [ 229.218293][ T6382] get_tree_bdev+0x358/0x544 [ 229.219045][ T6382] gfs2_get_tree+0x54/0x1b4 [ 229.219760][ T6382] vfs_get_tree+0x90/0x274 [ 229.220427][ T6382] do_new_mount+0x228/0x810 [ 229.221130][ T6382] path_mount+0x5b4/0x1000 [ 229.221859][ T6382] __arm64_sys_mount+0x514/0x5e4 [ 229.222640][ T6382] invoke_syscall+0x98/0x2b8 [ 229.223312][ T6382] el0_svc_common+0x138/0x258 [ 229.223972][ T6382] do_el0_svc+0x58/0x14c [ 229.224573][ T6382] el0_svc+0x78/0x1e0 [ 229.225126][ T6382] el0t_64_sync_handler+0xcc/0xe4 [ 229.225843][ T6382] el0t_64_sync+0x1a0/0x1a4 [ 229.227979][ T6382] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.229915][ T6382] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.360144][ T6384] loop1: detected capacity change from 0 to 32768 [ 229.367802][ T6384] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.368955][ T6384] CPU: 1 PID: 6384 Comm: syz.1.705 Not tainted syzkaller #0 [ 229.370017][ T6384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.371545][ T6384] Call trace: [ 229.372033][ T6384] dump_backtrace+0x0/0x43c [ 229.372720][ T6384] show_stack+0x2c/0x3c [ 229.373397][ T6384] __dump_stack+0x30/0x40 [ 229.374103][ T6384] dump_stack_lvl+0xf8/0x160 [ 229.374777][ T6384] dump_stack+0x1c/0x5c [ 229.375402][ T6384] sysfs_create_dir_ns+0x22c/0x24c [ 229.376061][ T6384] kobject_add_internal+0x590/0xc54 [ 229.376788][ T6384] kobject_init_and_add+0x118/0x17c [ 229.377629][ T6384] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.378394][ T6384] gfs2_fill_super+0xdac/0x19e0 [ 229.379126][ T6384] get_tree_bdev+0x358/0x544 [ 229.379758][ T6384] gfs2_get_tree+0x54/0x1b4 [ 229.380373][ T6384] vfs_get_tree+0x90/0x274 [ 229.381039][ T6384] do_new_mount+0x228/0x810 [ 229.381776][ T6384] path_mount+0x5b4/0x1000 [ 229.382472][ T6384] __arm64_sys_mount+0x514/0x5e4 [ 229.383306][ T6384] invoke_syscall+0x98/0x2b8 [ 229.384075][ T6384] el0_svc_common+0x138/0x258 [ 229.384868][ T6384] do_el0_svc+0x58/0x14c [ 229.385547][ T6384] el0_svc+0x78/0x1e0 [ 229.386144][ T6384] el0t_64_sync_handler+0xcc/0xe4 [ 229.386930][ T6384] el0t_64_sync+0x1a0/0x1a4 [ 229.388322][ T6384] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.390170][ T6384] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.513853][ T6386] loop1: detected capacity change from 0 to 32768 [ 229.578978][ T6386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.580191][ T6386] CPU: 1 PID: 6386 Comm: syz.1.706 Not tainted syzkaller #0 [ 229.581244][ T6386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.582820][ T6386] Call trace: [ 229.583354][ T6386] dump_backtrace+0x0/0x43c [ 229.584060][ T6386] show_stack+0x2c/0x3c [ 229.584743][ T6386] __dump_stack+0x30/0x40 [ 229.585481][ T6386] dump_stack_lvl+0xf8/0x160 [ 229.586169][ T6386] dump_stack+0x1c/0x5c [ 229.586710][ T6386] sysfs_create_dir_ns+0x22c/0x24c [ 229.587559][ T6386] kobject_add_internal+0x590/0xc54 [ 229.588371][ T6386] kobject_init_and_add+0x118/0x17c [ 229.589185][ T6386] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.589920][ T6386] gfs2_fill_super+0xdac/0x19e0 [ 229.590659][ T6386] get_tree_bdev+0x358/0x544 [ 229.591311][ T6386] gfs2_get_tree+0x54/0x1b4 [ 229.591937][ T6386] vfs_get_tree+0x90/0x274 [ 229.592613][ T6386] do_new_mount+0x228/0x810 [ 229.593323][ T6386] path_mount+0x5b4/0x1000 [ 229.593931][ T6386] __arm64_sys_mount+0x514/0x5e4 [ 229.594814][ T6386] invoke_syscall+0x98/0x2b8 [ 229.595628][ T6386] el0_svc_common+0x138/0x258 [ 229.596408][ T6386] do_el0_svc+0x58/0x14c [ 229.597083][ T6386] el0_svc+0x78/0x1e0 [ 229.597706][ T6386] el0t_64_sync_handler+0xcc/0xe4 [ 229.598524][ T6386] el0t_64_sync+0x1a0/0x1a4 [ 229.600595][ T6386] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.602680][ T6386] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.736913][ T6388] loop1: detected capacity change from 0 to 32768 [ 229.809102][ T6388] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.810195][ T6388] CPU: 1 PID: 6388 Comm: syz.1.707 Not tainted syzkaller #0 [ 229.811265][ T6388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.812896][ T6388] Call trace: [ 229.813463][ T6388] dump_backtrace+0x0/0x43c [ 229.814211][ T6388] show_stack+0x2c/0x3c [ 229.814846][ T6388] __dump_stack+0x30/0x40 [ 229.815525][ T6388] dump_stack_lvl+0xf8/0x160 [ 229.816245][ T6388] dump_stack+0x1c/0x5c [ 229.816918][ T6388] sysfs_create_dir_ns+0x22c/0x24c [ 229.817713][ T6388] kobject_add_internal+0x590/0xc54 [ 229.818559][ T6388] kobject_init_and_add+0x118/0x17c [ 229.819388][ T6388] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.820080][ T6388] gfs2_fill_super+0xdac/0x19e0 [ 229.820853][ T6388] get_tree_bdev+0x358/0x544 [ 229.821467][ T6388] gfs2_get_tree+0x54/0x1b4 [ 229.822082][ T6388] vfs_get_tree+0x90/0x274 [ 229.822780][ T6388] do_new_mount+0x228/0x810 [ 229.823473][ T6388] path_mount+0x5b4/0x1000 [ 229.824076][ T6388] __arm64_sys_mount+0x514/0x5e4 [ 229.824759][ T6388] invoke_syscall+0x98/0x2b8 [ 229.825448][ T6388] el0_svc_common+0x138/0x258 [ 229.826105][ T6388] do_el0_svc+0x58/0x14c [ 229.826762][ T6388] el0_svc+0x78/0x1e0 [ 229.827377][ T6388] el0t_64_sync_handler+0xcc/0xe4 [ 229.828074][ T6388] el0t_64_sync+0x1a0/0x1a4 [ 229.831258][ T6388] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.833301][ T6388] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.959804][ T6390] loop1: detected capacity change from 0 to 32768 [ 230.000664][ T6390] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.001829][ T6390] CPU: 1 PID: 6390 Comm: syz.1.708 Not tainted syzkaller #0 [ 230.002946][ T6390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.004438][ T6390] Call trace: [ 230.004894][ T6390] dump_backtrace+0x0/0x43c [ 230.005517][ T6390] show_stack+0x2c/0x3c [ 230.006079][ T6390] __dump_stack+0x30/0x40 [ 230.006689][ T6390] dump_stack_lvl+0xf8/0x160 [ 230.007394][ T6390] dump_stack+0x1c/0x5c [ 230.008018][ T6390] sysfs_create_dir_ns+0x22c/0x24c [ 230.008766][ T6390] kobject_add_internal+0x590/0xc54 [ 230.009593][ T6390] kobject_init_and_add+0x118/0x17c [ 230.010461][ T6390] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.011197][ T6390] gfs2_fill_super+0xdac/0x19e0 [ 230.011933][ T6390] get_tree_bdev+0x358/0x544 [ 230.012630][ T6390] gfs2_get_tree+0x54/0x1b4 [ 230.013361][ T6390] vfs_get_tree+0x90/0x274 [ 230.014051][ T6390] do_new_mount+0x228/0x810 [ 230.014748][ T6390] path_mount+0x5b4/0x1000 [ 230.015473][ T6390] __arm64_sys_mount+0x514/0x5e4 [ 230.016209][ T6390] invoke_syscall+0x98/0x2b8 [ 230.016902][ T6390] el0_svc_common+0x138/0x258 [ 230.017593][ T6390] do_el0_svc+0x58/0x14c [ 230.018204][ T6390] el0_svc+0x78/0x1e0 [ 230.018783][ T6390] el0t_64_sync_handler+0xcc/0xe4 [ 230.019546][ T6390] el0t_64_sync+0x1a0/0x1a4 [ 230.021715][ T6390] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.023762][ T6390] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.151855][ T6392] loop1: detected capacity change from 0 to 32768 [ 230.159136][ T6392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.160275][ T6392] CPU: 0 PID: 6392 Comm: syz.1.709 Not tainted syzkaller #0 [ 230.161479][ T6392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.163019][ T6392] Call trace: [ 230.163517][ T6392] dump_backtrace+0x0/0x43c [ 230.164200][ T6392] show_stack+0x2c/0x3c [ 230.164833][ T6392] __dump_stack+0x30/0x40 [ 230.165467][ T6392] dump_stack_lvl+0xf8/0x160 [ 230.166220][ T6392] dump_stack+0x1c/0x5c [ 230.166858][ T6392] sysfs_create_dir_ns+0x22c/0x24c [ 230.167686][ T6392] kobject_add_internal+0x590/0xc54 [ 230.168534][ T6392] kobject_init_and_add+0x118/0x17c [ 230.169361][ T6392] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.170101][ T6392] gfs2_fill_super+0xdac/0x19e0 [ 230.170832][ T6392] get_tree_bdev+0x358/0x544 [ 230.171572][ T6392] gfs2_get_tree+0x54/0x1b4 [ 230.172285][ T6392] vfs_get_tree+0x90/0x274 [ 230.173017][ T6392] do_new_mount+0x228/0x810 [ 230.173669][ T6392] path_mount+0x5b4/0x1000 [ 230.174328][ T6392] __arm64_sys_mount+0x514/0x5e4 [ 230.175082][ T6392] invoke_syscall+0x98/0x2b8 [ 230.175769][ T6392] el0_svc_common+0x138/0x258 [ 230.176449][ T6392] do_el0_svc+0x58/0x14c [ 230.177038][ T6392] el0_svc+0x78/0x1e0 [ 230.177597][ T6392] el0t_64_sync_handler+0xcc/0xe4 [ 230.178321][ T6392] el0t_64_sync+0x1a0/0x1a4 [ 230.179134][ T6392] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.181248][ T6392] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.312146][ T6394] loop1: detected capacity change from 0 to 32768 [ 230.319576][ T6394] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.320750][ T6394] CPU: 1 PID: 6394 Comm: syz.1.710 Not tainted syzkaller #0 [ 230.321840][ T6394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.323252][ T6394] Call trace: [ 230.323719][ T6394] dump_backtrace+0x0/0x43c [ 230.324370][ T6394] show_stack+0x2c/0x3c [ 230.325069][ T6394] __dump_stack+0x30/0x40 [ 230.325760][ T6394] dump_stack_lvl+0xf8/0x160 [ 230.326471][ T6394] dump_stack+0x1c/0x5c [ 230.327125][ T6394] sysfs_create_dir_ns+0x22c/0x24c [ 230.327903][ T6394] kobject_add_internal+0x590/0xc54 [ 230.328676][ T6394] kobject_init_and_add+0x118/0x17c [ 230.329407][ T6394] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.330084][ T6394] gfs2_fill_super+0xdac/0x19e0 [ 230.330740][ T6394] get_tree_bdev+0x358/0x544 [ 230.331519][ T6394] gfs2_get_tree+0x54/0x1b4 [ 230.332238][ T6394] vfs_get_tree+0x90/0x274 [ 230.332901][ T6394] do_new_mount+0x228/0x810 [ 230.333549][ T6394] path_mount+0x5b4/0x1000 [ 230.334191][ T6394] __arm64_sys_mount+0x514/0x5e4 [ 230.334953][ T6394] invoke_syscall+0x98/0x2b8 [ 230.335622][ T6394] el0_svc_common+0x138/0x258 [ 230.336316][ T6394] do_el0_svc+0x58/0x14c [ 230.337006][ T6394] el0_svc+0x78/0x1e0 [ 230.337672][ T6394] el0t_64_sync_handler+0xcc/0xe4 [ 230.338495][ T6394] el0t_64_sync+0x1a0/0x1a4 [ 230.340696][ T6394] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.342595][ T6394] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.474372][ T6396] loop1: detected capacity change from 0 to 32768 [ 230.481722][ T6396] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.482859][ T6396] CPU: 1 PID: 6396 Comm: syz.1.711 Not tainted syzkaller #0 [ 230.483932][ T6396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.485571][ T6396] Call trace: [ 230.486080][ T6396] dump_backtrace+0x0/0x43c [ 230.486791][ T6396] show_stack+0x2c/0x3c [ 230.487486][ T6396] __dump_stack+0x30/0x40 [ 230.488175][ T6396] dump_stack_lvl+0xf8/0x160 [ 230.488903][ T6396] dump_stack+0x1c/0x5c [ 230.489499][ T6396] sysfs_create_dir_ns+0x22c/0x24c [ 230.490340][ T6396] kobject_add_internal+0x590/0xc54 [ 230.491215][ T6396] kobject_init_and_add+0x118/0x17c [ 230.492032][ T6396] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.492776][ T6396] gfs2_fill_super+0xdac/0x19e0 [ 230.493491][ T6396] get_tree_bdev+0x358/0x544 [ 230.494154][ T6396] gfs2_get_tree+0x54/0x1b4 [ 230.494763][ T6396] vfs_get_tree+0x90/0x274 [ 230.495390][ T6396] do_new_mount+0x228/0x810 [ 230.496078][ T6396] path_mount+0x5b4/0x1000 [ 230.496691][ T6396] __arm64_sys_mount+0x514/0x5e4 [ 230.497419][ T6396] invoke_syscall+0x98/0x2b8 [ 230.498116][ T6396] el0_svc_common+0x138/0x258 [ 230.498837][ T6396] do_el0_svc+0x58/0x14c [ 230.499494][ T6396] el0_svc+0x78/0x1e0 [ 230.500093][ T6396] el0t_64_sync_handler+0xcc/0xe4 [ 230.500848][ T6396] el0t_64_sync+0x1a0/0x1a4 [ 230.503112][ T6396] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.504821][ T6396] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.636786][ T6398] loop1: detected capacity change from 0 to 32768 [ 230.644230][ T6398] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.645479][ T6398] CPU: 1 PID: 6398 Comm: syz.1.712 Not tainted syzkaller #0 [ 230.646585][ T6398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.648094][ T6398] Call trace: [ 230.648543][ T6398] dump_backtrace+0x0/0x43c [ 230.649254][ T6398] show_stack+0x2c/0x3c [ 230.649902][ T6398] __dump_stack+0x30/0x40 [ 230.650571][ T6398] dump_stack_lvl+0xf8/0x160 [ 230.651239][ T6398] dump_stack+0x1c/0x5c [ 230.651835][ T6398] sysfs_create_dir_ns+0x22c/0x24c [ 230.652692][ T6398] kobject_add_internal+0x590/0xc54 [ 230.653462][ T6398] kobject_init_and_add+0x118/0x17c [ 230.654275][ T6398] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.654941][ T6398] gfs2_fill_super+0xdac/0x19e0 [ 230.655688][ T6398] get_tree_bdev+0x358/0x544 [ 230.656477][ T6398] gfs2_get_tree+0x54/0x1b4 [ 230.657227][ T6398] vfs_get_tree+0x90/0x274 [ 230.657934][ T6398] do_new_mount+0x228/0x810 [ 230.658639][ T6398] path_mount+0x5b4/0x1000 [ 230.659289][ T6398] __arm64_sys_mount+0x514/0x5e4 [ 230.659988][ T6398] invoke_syscall+0x98/0x2b8 [ 230.660661][ T6398] el0_svc_common+0x138/0x258 [ 230.661405][ T6398] do_el0_svc+0x58/0x14c [ 230.662062][ T6398] el0_svc+0x78/0x1e0 [ 230.662685][ T6398] el0t_64_sync_handler+0xcc/0xe4 [ 230.663424][ T6398] el0t_64_sync+0x1a0/0x1a4 [ 230.665596][ T6398] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.667565][ T6398] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.798048][ T6400] loop1: detected capacity change from 0 to 32768 [ 230.800982][ T6400] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.802161][ T6400] CPU: 1 PID: 6400 Comm: syz.1.713 Not tainted syzkaller #0 [ 230.803333][ T6400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.804952][ T6400] Call trace: [ 230.805420][ T6400] dump_backtrace+0x0/0x43c [ 230.806144][ T6400] show_stack+0x2c/0x3c [ 230.806783][ T6400] __dump_stack+0x30/0x40 [ 230.807468][ T6400] dump_stack_lvl+0xf8/0x160 [ 230.808180][ T6400] dump_stack+0x1c/0x5c [ 230.808858][ T6400] sysfs_create_dir_ns+0x22c/0x24c [ 230.809622][ T6400] kobject_add_internal+0x590/0xc54 [ 230.810474][ T6400] kobject_init_and_add+0x118/0x17c [ 230.811259][ T6400] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.811976][ T6400] gfs2_fill_super+0xdac/0x19e0 [ 230.812786][ T6400] get_tree_bdev+0x358/0x544 [ 230.813499][ T6400] gfs2_get_tree+0x54/0x1b4 [ 230.814198][ T6400] vfs_get_tree+0x90/0x274 [ 230.814836][ T6400] do_new_mount+0x228/0x810 [ 230.815496][ T6400] path_mount+0x5b4/0x1000 [ 230.816204][ T6400] __arm64_sys_mount+0x514/0x5e4 [ 230.816965][ T6400] invoke_syscall+0x98/0x2b8 [ 230.817669][ T6400] el0_svc_common+0x138/0x258 [ 230.818372][ T6400] do_el0_svc+0x58/0x14c [ 230.819013][ T6400] el0_svc+0x78/0x1e0 [ 230.819641][ T6400] el0t_64_sync_handler+0xcc/0xe4 [ 230.820400][ T6400] el0t_64_sync+0x1a0/0x1a4 [ 230.822912][ T6400] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.824733][ T6400] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.954771][ T6402] loop1: detected capacity change from 0 to 32768 [ 230.962003][ T6402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.963169][ T6402] CPU: 0 PID: 6402 Comm: syz.1.714 Not tainted syzkaller #0 [ 230.964286][ T6402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.965738][ T6402] Call trace: [ 230.966220][ T6402] dump_backtrace+0x0/0x43c [ 230.966959][ T6402] show_stack+0x2c/0x3c [ 230.967612][ T6402] __dump_stack+0x30/0x40 [ 230.968311][ T6402] dump_stack_lvl+0xf8/0x160 [ 230.969017][ T6402] dump_stack+0x1c/0x5c [ 230.969730][ T6402] sysfs_create_dir_ns+0x22c/0x24c [ 230.970558][ T6402] kobject_add_internal+0x590/0xc54 [ 230.971402][ T6402] kobject_init_and_add+0x118/0x17c [ 230.972157][ T6402] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.972935][ T6402] gfs2_fill_super+0xdac/0x19e0 [ 230.973661][ T6402] get_tree_bdev+0x358/0x544 [ 230.974352][ T6402] gfs2_get_tree+0x54/0x1b4 [ 230.975043][ T6402] vfs_get_tree+0x90/0x274 [ 230.975760][ T6402] do_new_mount+0x228/0x810 [ 230.976462][ T6402] path_mount+0x5b4/0x1000 [ 230.977128][ T6402] __arm64_sys_mount+0x514/0x5e4 [ 230.977927][ T6402] invoke_syscall+0x98/0x2b8 [ 230.978633][ T6402] el0_svc_common+0x138/0x258 [ 230.979324][ T6402] do_el0_svc+0x58/0x14c [ 230.979949][ T6402] el0_svc+0x78/0x1e0 [ 230.980533][ T6402] el0t_64_sync_handler+0xcc/0xe4 [ 230.981374][ T6402] el0t_64_sync+0x1a0/0x1a4 [ 230.982294][ T6402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.984401][ T6402] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.113073][ T6404] loop1: detected capacity change from 0 to 32768 [ 231.120455][ T6404] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.121555][ T6404] CPU: 1 PID: 6404 Comm: syz.1.715 Not tainted syzkaller #0 [ 231.122590][ T6404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.124033][ T6404] Call trace: [ 231.124467][ T6404] dump_backtrace+0x0/0x43c [ 231.125086][ T6404] show_stack+0x2c/0x3c [ 231.125745][ T6404] __dump_stack+0x30/0x40 [ 231.126418][ T6404] dump_stack_lvl+0xf8/0x160 [ 231.127144][ T6404] dump_stack+0x1c/0x5c [ 231.127776][ T6404] sysfs_create_dir_ns+0x22c/0x24c [ 231.128537][ T6404] kobject_add_internal+0x590/0xc54 [ 231.129282][ T6404] kobject_init_and_add+0x118/0x17c [ 231.130057][ T6404] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.130834][ T6404] gfs2_fill_super+0xdac/0x19e0 [ 231.131597][ T6404] get_tree_bdev+0x358/0x544 [ 231.132297][ T6404] gfs2_get_tree+0x54/0x1b4 [ 231.132971][ T6404] vfs_get_tree+0x90/0x274 [ 231.133641][ T6404] do_new_mount+0x228/0x810 [ 231.134305][ T6404] path_mount+0x5b4/0x1000 [ 231.134926][ T6404] __arm64_sys_mount+0x514/0x5e4 [ 231.135698][ T6404] invoke_syscall+0x98/0x2b8 [ 231.136443][ T6404] el0_svc_common+0x138/0x258 [ 231.137243][ T6404] do_el0_svc+0x58/0x14c [ 231.137932][ T6404] el0_svc+0x78/0x1e0 [ 231.138549][ T6404] el0t_64_sync_handler+0xcc/0xe4 [ 231.139308][ T6404] el0t_64_sync+0x1a0/0x1a4 [ 231.141409][ T6404] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.143129][ T6404] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.269236][ T6406] loop1: detected capacity change from 0 to 32768 [ 231.311453][ T6406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.312656][ T6406] CPU: 1 PID: 6406 Comm: syz.1.716 Not tainted syzkaller #0 [ 231.313829][ T6406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.315426][ T6406] Call trace: [ 231.315950][ T6406] dump_backtrace+0x0/0x43c [ 231.316668][ T6406] show_stack+0x2c/0x3c [ 231.317285][ T6406] __dump_stack+0x30/0x40 [ 231.318032][ T6406] dump_stack_lvl+0xf8/0x160 [ 231.318766][ T6406] dump_stack+0x1c/0x5c [ 231.319466][ T6406] sysfs_create_dir_ns+0x22c/0x24c [ 231.320288][ T6406] kobject_add_internal+0x590/0xc54 [ 231.321055][ T6406] kobject_init_and_add+0x118/0x17c [ 231.321871][ T6406] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.322577][ T6406] gfs2_fill_super+0xdac/0x19e0 [ 231.323283][ T6406] get_tree_bdev+0x358/0x544 [ 231.323996][ T6406] gfs2_get_tree+0x54/0x1b4 [ 231.324691][ T6406] vfs_get_tree+0x90/0x274 [ 231.325363][ T6406] do_new_mount+0x228/0x810 [ 231.326079][ T6406] path_mount+0x5b4/0x1000 [ 231.326746][ T6406] __arm64_sys_mount+0x514/0x5e4 [ 231.327443][ T6406] invoke_syscall+0x98/0x2b8 [ 231.328193][ T6406] el0_svc_common+0x138/0x258 [ 231.328884][ T6406] do_el0_svc+0x58/0x14c [ 231.329468][ T6406] el0_svc+0x78/0x1e0 [ 231.330035][ T6406] el0t_64_sync_handler+0xcc/0xe4 [ 231.330779][ T6406] el0t_64_sync+0x1a0/0x1a4 [ 231.333039][ T6406] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.335052][ T6406] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.469000][ T6408] loop1: detected capacity change from 0 to 32768 [ 231.476695][ T6408] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.477853][ T6408] CPU: 0 PID: 6408 Comm: syz.1.717 Not tainted syzkaller #0 [ 231.478986][ T6408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.480475][ T6408] Call trace: [ 231.481013][ T6408] dump_backtrace+0x0/0x43c [ 231.481736][ T6408] show_stack+0x2c/0x3c [ 231.482385][ T6408] __dump_stack+0x30/0x40 [ 231.483055][ T6408] dump_stack_lvl+0xf8/0x160 [ 231.483737][ T6408] dump_stack+0x1c/0x5c [ 231.484360][ T6408] sysfs_create_dir_ns+0x22c/0x24c [ 231.485087][ T6408] kobject_add_internal+0x590/0xc54 [ 231.485870][ T6408] kobject_init_and_add+0x118/0x17c [ 231.486685][ T6408] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.487404][ T6408] gfs2_fill_super+0xdac/0x19e0 [ 231.488206][ T6408] get_tree_bdev+0x358/0x544 [ 231.488928][ T6408] gfs2_get_tree+0x54/0x1b4 [ 231.489619][ T6408] vfs_get_tree+0x90/0x274 [ 231.490262][ T6408] do_new_mount+0x228/0x810 [ 231.490996][ T6408] path_mount+0x5b4/0x1000 [ 231.491677][ T6408] __arm64_sys_mount+0x514/0x5e4 [ 231.492430][ T6408] invoke_syscall+0x98/0x2b8 [ 231.493131][ T6408] el0_svc_common+0x138/0x258 [ 231.493820][ T6408] do_el0_svc+0x58/0x14c [ 231.494491][ T6408] el0_svc+0x78/0x1e0 [ 231.495123][ T6408] el0t_64_sync_handler+0xcc/0xe4 [ 231.495868][ T6408] el0t_64_sync+0x1a0/0x1a4 [ 231.496802][ T6408] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.498774][ T6408] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.628034][ T6410] loop1: detected capacity change from 0 to 32768 [ 231.635388][ T6410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.636683][ T6410] CPU: 0 PID: 6410 Comm: syz.1.718 Not tainted syzkaller #0 [ 231.637784][ T6410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.639293][ T6410] Call trace: [ 231.639803][ T6410] dump_backtrace+0x0/0x43c [ 231.640516][ T6410] show_stack+0x2c/0x3c [ 231.641138][ T6410] __dump_stack+0x30/0x40 [ 231.641823][ T6410] dump_stack_lvl+0xf8/0x160 [ 231.642546][ T6410] dump_stack+0x1c/0x5c [ 231.643192][ T6410] sysfs_create_dir_ns+0x22c/0x24c [ 231.643961][ T6410] kobject_add_internal+0x590/0xc54 [ 231.644750][ T6410] kobject_init_and_add+0x118/0x17c [ 231.645565][ T6410] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.646327][ T6410] gfs2_fill_super+0xdac/0x19e0 [ 231.647082][ T6410] get_tree_bdev+0x358/0x544 [ 231.647804][ T6410] gfs2_get_tree+0x54/0x1b4 [ 231.648449][ T6410] vfs_get_tree+0x90/0x274 [ 231.649218][ T6410] do_new_mount+0x228/0x810 [ 231.649928][ T6410] path_mount+0x5b4/0x1000 [ 231.650612][ T6410] __arm64_sys_mount+0x514/0x5e4 [ 231.651391][ T6410] invoke_syscall+0x98/0x2b8 [ 231.652140][ T6410] el0_svc_common+0x138/0x258 [ 231.652929][ T6410] do_el0_svc+0x58/0x14c [ 231.653588][ T6410] el0_svc+0x78/0x1e0 [ 231.654226][ T6410] el0t_64_sync_handler+0xcc/0xe4 [ 231.654979][ T6410] el0t_64_sync+0x1a0/0x1a4 [ 231.655950][ T6410] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.658107][ T6410] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:51 executed programs: 705 [ 231.782706][ T6412] loop1: detected capacity change from 0 to 32768 [ 231.829627][ T6412] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.830882][ T6412] CPU: 1 PID: 6412 Comm: syz.1.719 Not tainted syzkaller #0 [ 231.831946][ T6412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.833368][ T6412] Call trace: [ 231.833802][ T6412] dump_backtrace+0x0/0x43c [ 231.834434][ T6412] show_stack+0x2c/0x3c [ 231.835105][ T6412] __dump_stack+0x30/0x40 [ 231.835789][ T6412] dump_stack_lvl+0xf8/0x160 [ 231.836528][ T6412] dump_stack+0x1c/0x5c [ 231.837260][ T6412] sysfs_create_dir_ns+0x22c/0x24c [ 231.838090][ T6412] kobject_add_internal+0x590/0xc54 [ 231.838910][ T6412] kobject_init_and_add+0x118/0x17c [ 231.839764][ T6412] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.840505][ T6412] gfs2_fill_super+0xdac/0x19e0 [ 231.841251][ T6412] get_tree_bdev+0x358/0x544 [ 231.842005][ T6412] gfs2_get_tree+0x54/0x1b4 [ 231.842750][ T6412] vfs_get_tree+0x90/0x274 [ 231.843465][ T6412] do_new_mount+0x228/0x810 [ 231.844208][ T6412] path_mount+0x5b4/0x1000 [ 231.844933][ T6412] __arm64_sys_mount+0x514/0x5e4 [ 231.845728][ T6412] invoke_syscall+0x98/0x2b8 [ 231.846380][ T6412] el0_svc_common+0x138/0x258 [ 231.847092][ T6412] do_el0_svc+0x58/0x14c [ 231.847677][ T6412] el0_svc+0x78/0x1e0 [ 231.848300][ T6412] el0t_64_sync_handler+0xcc/0xe4 [ 231.849173][ T6412] el0t_64_sync+0x1a0/0x1a4 [ 231.851578][ T6412] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.853361][ T6412] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.979361][ T6414] loop1: detected capacity change from 0 to 32768 [ 232.017896][ T6414] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.019094][ T6414] CPU: 0 PID: 6414 Comm: syz.1.720 Not tainted syzkaller #0 [ 232.020126][ T6414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.021567][ T6414] Call trace: [ 232.022028][ T6414] dump_backtrace+0x0/0x43c [ 232.022670][ T6414] show_stack+0x2c/0x3c [ 232.023288][ T6414] __dump_stack+0x30/0x40 [ 232.023945][ T6414] dump_stack_lvl+0xf8/0x160 [ 232.024642][ T6414] dump_stack+0x1c/0x5c [ 232.025275][ T6414] sysfs_create_dir_ns+0x22c/0x24c [ 232.026083][ T6414] kobject_add_internal+0x590/0xc54 [ 232.026935][ T6414] kobject_init_and_add+0x118/0x17c [ 232.027866][ T6414] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.028645][ T6414] gfs2_fill_super+0xdac/0x19e0 [ 232.029436][ T6414] get_tree_bdev+0x358/0x544 [ 232.030119][ T6414] gfs2_get_tree+0x54/0x1b4 [ 232.030777][ T6414] vfs_get_tree+0x90/0x274 [ 232.031476][ T6414] do_new_mount+0x228/0x810 [ 232.032199][ T6414] path_mount+0x5b4/0x1000 [ 232.032954][ T6414] __arm64_sys_mount+0x514/0x5e4 [ 232.033776][ T6414] invoke_syscall+0x98/0x2b8 [ 232.034455][ T6414] el0_svc_common+0x138/0x258 [ 232.035157][ T6414] do_el0_svc+0x58/0x14c [ 232.035726][ T6414] el0_svc+0x78/0x1e0 [ 232.036321][ T6414] el0t_64_sync_handler+0xcc/0xe4 [ 232.037015][ T6414] el0t_64_sync+0x1a0/0x1a4 [ 232.037849][ T6414] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.039973][ T6414] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.166771][ T6416] loop1: detected capacity change from 0 to 32768 [ 232.174223][ T6416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.175420][ T6416] CPU: 1 PID: 6416 Comm: syz.1.721 Not tainted syzkaller #0 [ 232.176594][ T6416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.178172][ T6416] Call trace: [ 232.178689][ T6416] dump_backtrace+0x0/0x43c [ 232.179439][ T6416] show_stack+0x2c/0x3c [ 232.180104][ T6416] __dump_stack+0x30/0x40 [ 232.180797][ T6416] dump_stack_lvl+0xf8/0x160 [ 232.181529][ T6416] dump_stack+0x1c/0x5c [ 232.182168][ T6416] sysfs_create_dir_ns+0x22c/0x24c [ 232.183004][ T6416] kobject_add_internal+0x590/0xc54 [ 232.183811][ T6416] kobject_init_and_add+0x118/0x17c [ 232.184609][ T6416] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.185310][ T6416] gfs2_fill_super+0xdac/0x19e0 [ 232.186009][ T6416] get_tree_bdev+0x358/0x544 [ 232.186760][ T6416] gfs2_get_tree+0x54/0x1b4 [ 232.187455][ T6416] vfs_get_tree+0x90/0x274 [ 232.188134][ T6416] do_new_mount+0x228/0x810 [ 232.188793][ T6416] path_mount+0x5b4/0x1000 [ 232.189504][ T6416] __arm64_sys_mount+0x514/0x5e4 [ 232.190206][ T6416] invoke_syscall+0x98/0x2b8 [ 232.190931][ T6416] el0_svc_common+0x138/0x258 [ 232.191620][ T6416] do_el0_svc+0x58/0x14c [ 232.192259][ T6416] el0_svc+0x78/0x1e0 [ 232.192895][ T6416] el0t_64_sync_handler+0xcc/0xe4 [ 232.193622][ T6416] el0t_64_sync+0x1a0/0x1a4 [ 232.195958][ T6416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.197967][ T6416] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.330401][ T6418] loop1: detected capacity change from 0 to 32768 [ 232.422289][ T6418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.423507][ T6418] CPU: 1 PID: 6418 Comm: syz.1.722 Not tainted syzkaller #0 [ 232.424628][ T6418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.426125][ T6418] Call trace: [ 232.426652][ T6418] dump_backtrace+0x0/0x43c [ 232.427329][ T6418] show_stack+0x2c/0x3c [ 232.428036][ T6418] __dump_stack+0x30/0x40 [ 232.428815][ T6418] dump_stack_lvl+0xf8/0x160 [ 232.429535][ T6418] dump_stack+0x1c/0x5c [ 232.430195][ T6418] sysfs_create_dir_ns+0x22c/0x24c [ 232.430979][ T6418] kobject_add_internal+0x590/0xc54 [ 232.431752][ T6418] kobject_init_and_add+0x118/0x17c [ 232.432578][ T6418] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.433328][ T6418] gfs2_fill_super+0xdac/0x19e0 [ 232.434082][ T6418] get_tree_bdev+0x358/0x544 [ 232.434836][ T6418] gfs2_get_tree+0x54/0x1b4 [ 232.435530][ T6418] vfs_get_tree+0x90/0x274 [ 232.436171][ T6418] do_new_mount+0x228/0x810 [ 232.436857][ T6418] path_mount+0x5b4/0x1000 [ 232.437609][ T6418] __arm64_sys_mount+0x514/0x5e4 [ 232.438342][ T6418] invoke_syscall+0x98/0x2b8 [ 232.439118][ T6418] el0_svc_common+0x138/0x258 [ 232.439911][ T6418] do_el0_svc+0x58/0x14c [ 232.440625][ T6418] el0_svc+0x78/0x1e0 [ 232.441221][ T6418] el0t_64_sync_handler+0xcc/0xe4 [ 232.441958][ T6418] el0t_64_sync+0x1a0/0x1a4 [ 232.443302][ T6418] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.445251][ T6418] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.570728][ T6420] loop1: detected capacity change from 0 to 32768 [ 232.599288][ T6420] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.600427][ T6420] CPU: 0 PID: 6420 Comm: syz.1.723 Not tainted syzkaller #0 [ 232.601586][ T6420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.603111][ T6420] Call trace: [ 232.603599][ T6420] dump_backtrace+0x0/0x43c [ 232.604224][ T6420] show_stack+0x2c/0x3c [ 232.604786][ T6420] __dump_stack+0x30/0x40 [ 232.605400][ T6420] dump_stack_lvl+0xf8/0x160 [ 232.606116][ T6420] dump_stack+0x1c/0x5c [ 232.606726][ T6420] sysfs_create_dir_ns+0x22c/0x24c [ 232.607499][ T6420] kobject_add_internal+0x590/0xc54 [ 232.608256][ T6420] kobject_init_and_add+0x118/0x17c [ 232.609075][ T6420] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.609889][ T6420] gfs2_fill_super+0xdac/0x19e0 [ 232.610683][ T6420] get_tree_bdev+0x358/0x544 [ 232.611421][ T6420] gfs2_get_tree+0x54/0x1b4 [ 232.612110][ T6420] vfs_get_tree+0x90/0x274 [ 232.612745][ T6420] do_new_mount+0x228/0x810 [ 232.613467][ T6420] path_mount+0x5b4/0x1000 [ 232.614137][ T6420] __arm64_sys_mount+0x514/0x5e4 [ 232.614994][ T6420] invoke_syscall+0x98/0x2b8 [ 232.615737][ T6420] el0_svc_common+0x138/0x258 [ 232.616474][ T6420] do_el0_svc+0x58/0x14c [ 232.617116][ T6420] el0_svc+0x78/0x1e0 [ 232.617747][ T6420] el0t_64_sync_handler+0xcc/0xe4 [ 232.618518][ T6420] el0t_64_sync+0x1a0/0x1a4 [ 232.620679][ T6420] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.622704][ T6420] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.750438][ T6422] loop1: detected capacity change from 0 to 32768 [ 232.788390][ T6422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.789831][ T6422] CPU: 1 PID: 6422 Comm: syz.1.724 Not tainted syzkaller #0 [ 232.791005][ T6422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.792482][ T6422] Call trace: [ 232.792956][ T6422] dump_backtrace+0x0/0x43c [ 232.793610][ T6422] show_stack+0x2c/0x3c [ 232.794227][ T6422] __dump_stack+0x30/0x40 [ 232.794922][ T6422] dump_stack_lvl+0xf8/0x160 [ 232.795603][ T6422] dump_stack+0x1c/0x5c [ 232.796242][ T6422] sysfs_create_dir_ns+0x22c/0x24c [ 232.797036][ T6422] kobject_add_internal+0x590/0xc54 [ 232.797790][ T6422] kobject_init_and_add+0x118/0x17c [ 232.798622][ T6422] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.799385][ T6422] gfs2_fill_super+0xdac/0x19e0 [ 232.800167][ T6422] get_tree_bdev+0x358/0x544 [ 232.800910][ T6422] gfs2_get_tree+0x54/0x1b4 [ 232.801613][ T6422] vfs_get_tree+0x90/0x274 [ 232.802383][ T6422] do_new_mount+0x228/0x810 [ 232.803140][ T6422] path_mount+0x5b4/0x1000 [ 232.803851][ T6422] __arm64_sys_mount+0x514/0x5e4 [ 232.804654][ T6422] invoke_syscall+0x98/0x2b8 [ 232.805348][ T6422] el0_svc_common+0x138/0x258 [ 232.806049][ T6422] do_el0_svc+0x58/0x14c [ 232.806688][ T6422] el0_svc+0x78/0x1e0 [ 232.807272][ T6422] el0t_64_sync_handler+0xcc/0xe4 [ 232.807986][ T6422] el0t_64_sync+0x1a0/0x1a4 [ 232.808802][ T6422] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.810572][ T6422] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.933986][ T6424] loop1: detected capacity change from 0 to 32768 [ 232.998060][ T6424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.999300][ T6424] CPU: 0 PID: 6424 Comm: syz.1.725 Not tainted syzkaller #0 [ 233.000379][ T6424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.002015][ T6424] Call trace: [ 233.002547][ T6424] dump_backtrace+0x0/0x43c [ 233.003204][ T6424] show_stack+0x2c/0x3c [ 233.003863][ T6424] __dump_stack+0x30/0x40 [ 233.004518][ T6424] dump_stack_lvl+0xf8/0x160 [ 233.005183][ T6424] dump_stack+0x1c/0x5c [ 233.005822][ T6424] sysfs_create_dir_ns+0x22c/0x24c [ 233.006707][ T6424] kobject_add_internal+0x590/0xc54 [ 233.007533][ T6424] kobject_init_and_add+0x118/0x17c [ 233.008369][ T6424] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.009145][ T6424] gfs2_fill_super+0xdac/0x19e0 [ 233.009938][ T6424] get_tree_bdev+0x358/0x544 [ 233.010643][ T6424] gfs2_get_tree+0x54/0x1b4 [ 233.011306][ T6424] vfs_get_tree+0x90/0x274 [ 233.011951][ T6424] do_new_mount+0x228/0x810 [ 233.012580][ T6424] path_mount+0x5b4/0x1000 [ 233.013286][ T6424] __arm64_sys_mount+0x514/0x5e4 [ 233.014006][ T6424] invoke_syscall+0x98/0x2b8 [ 233.014675][ T6424] el0_svc_common+0x138/0x258 [ 233.015320][ T6424] do_el0_svc+0x58/0x14c [ 233.015980][ T6424] el0_svc+0x78/0x1e0 [ 233.016600][ T6424] el0t_64_sync_handler+0xcc/0xe4 [ 233.017370][ T6424] el0t_64_sync+0x1a0/0x1a4 [ 233.018817][ T6424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.021020][ T6424] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.150202][ T6426] loop1: detected capacity change from 0 to 32768 [ 233.251329][ T6426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.252611][ T6426] CPU: 1 PID: 6426 Comm: syz.1.726 Not tainted syzkaller #0 [ 233.253698][ T6426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.255224][ T6426] Call trace: [ 233.255731][ T6426] dump_backtrace+0x0/0x43c [ 233.256482][ T6426] show_stack+0x2c/0x3c [ 233.257174][ T6426] __dump_stack+0x30/0x40 [ 233.257898][ T6426] dump_stack_lvl+0xf8/0x160 [ 233.258597][ T6426] dump_stack+0x1c/0x5c [ 233.259215][ T6426] sysfs_create_dir_ns+0x22c/0x24c [ 233.260023][ T6426] kobject_add_internal+0x590/0xc54 [ 233.260826][ T6426] kobject_init_and_add+0x118/0x17c [ 233.261671][ T6426] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.262409][ T6426] gfs2_fill_super+0xdac/0x19e0 [ 233.263191][ T6426] get_tree_bdev+0x358/0x544 [ 233.263912][ T6426] gfs2_get_tree+0x54/0x1b4 [ 233.264619][ T6426] vfs_get_tree+0x90/0x274 [ 233.265300][ T6426] do_new_mount+0x228/0x810 [ 233.265949][ T6426] path_mount+0x5b4/0x1000 [ 233.266664][ T6426] __arm64_sys_mount+0x514/0x5e4 [ 233.267366][ T6426] invoke_syscall+0x98/0x2b8 [ 233.268041][ T6426] el0_svc_common+0x138/0x258 [ 233.268743][ T6426] do_el0_svc+0x58/0x14c [ 233.269397][ T6426] el0_svc+0x78/0x1e0 [ 233.269979][ T6426] el0t_64_sync_handler+0xcc/0xe4 [ 233.270672][ T6426] el0t_64_sync+0x1a0/0x1a4 [ 233.271930][ T6426] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.273778][ T6426] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.502989][ T6428] loop1: detected capacity change from 0 to 32768 [ 233.537882][ T6428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.539075][ T6428] CPU: 0 PID: 6428 Comm: syz.1.727 Not tainted syzkaller #0 [ 233.540260][ T6428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.541846][ T6428] Call trace: [ 233.542362][ T6428] dump_backtrace+0x0/0x43c [ 233.543085][ T6428] show_stack+0x2c/0x3c [ 233.543811][ T6428] __dump_stack+0x30/0x40 [ 233.544547][ T6428] dump_stack_lvl+0xf8/0x160 [ 233.545307][ T6428] dump_stack+0x1c/0x5c [ 233.545998][ T6428] sysfs_create_dir_ns+0x22c/0x24c [ 233.546732][ T6428] kobject_add_internal+0x590/0xc54 [ 233.547491][ T6428] kobject_init_and_add+0x118/0x17c [ 233.548330][ T6428] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.549080][ T6428] gfs2_fill_super+0xdac/0x19e0 [ 233.549803][ T6428] get_tree_bdev+0x358/0x544 [ 233.550519][ T6428] gfs2_get_tree+0x54/0x1b4 [ 233.551178][ T6428] vfs_get_tree+0x90/0x274 [ 233.551805][ T6428] do_new_mount+0x228/0x810 [ 233.552469][ T6428] path_mount+0x5b4/0x1000 [ 233.553162][ T6428] __arm64_sys_mount+0x514/0x5e4 [ 233.553856][ T6428] invoke_syscall+0x98/0x2b8 [ 233.554537][ T6428] el0_svc_common+0x138/0x258 [ 233.555226][ T6428] do_el0_svc+0x58/0x14c [ 233.555953][ T6428] el0_svc+0x78/0x1e0 [ 233.556633][ T6428] el0t_64_sync_handler+0xcc/0xe4 [ 233.557441][ T6428] el0t_64_sync+0x1a0/0x1a4 [ 233.559588][ T6428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.561639][ T6428] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.690499][ T6430] loop1: detected capacity change from 0 to 32768 [ 233.727827][ T6430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.729058][ T6430] CPU: 0 PID: 6430 Comm: syz.1.728 Not tainted syzkaller #0 [ 233.730271][ T6430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.731805][ T6430] Call trace: [ 233.732470][ T6430] dump_backtrace+0x0/0x43c [ 233.733152][ T6430] show_stack+0x2c/0x3c [ 233.733760][ T6430] __dump_stack+0x30/0x40 [ 233.734417][ T6430] dump_stack_lvl+0xf8/0x160 [ 233.735105][ T6430] dump_stack+0x1c/0x5c [ 233.735714][ T6430] sysfs_create_dir_ns+0x22c/0x24c [ 233.736514][ T6430] kobject_add_internal+0x590/0xc54 [ 233.737343][ T6430] kobject_init_and_add+0x118/0x17c [ 233.738133][ T6430] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.738914][ T6430] gfs2_fill_super+0xdac/0x19e0 [ 233.739618][ T6430] get_tree_bdev+0x358/0x544 [ 233.740382][ T6430] gfs2_get_tree+0x54/0x1b4 [ 233.741159][ T6430] vfs_get_tree+0x90/0x274 [ 233.741831][ T6430] do_new_mount+0x228/0x810 [ 233.742565][ T6430] path_mount+0x5b4/0x1000 [ 233.743243][ T6430] __arm64_sys_mount+0x514/0x5e4 [ 233.744047][ T6430] invoke_syscall+0x98/0x2b8 [ 233.744799][ T6430] el0_svc_common+0x138/0x258 [ 233.745540][ T6430] do_el0_svc+0x58/0x14c [ 233.746220][ T6430] el0_svc+0x78/0x1e0 [ 233.746886][ T6430] el0t_64_sync_handler+0xcc/0xe4 [ 233.747717][ T6430] el0t_64_sync+0x1a0/0x1a4 [ 233.749956][ T6430] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.752033][ T6430] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.882926][ T6432] loop1: detected capacity change from 0 to 32768 [ 233.933052][ T6432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.934234][ T6432] CPU: 1 PID: 6432 Comm: syz.1.729 Not tainted syzkaller #0 [ 233.935215][ T6432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.936754][ T6432] Call trace: [ 233.937211][ T6432] dump_backtrace+0x0/0x43c [ 233.937838][ T6432] show_stack+0x2c/0x3c [ 233.938415][ T6432] __dump_stack+0x30/0x40 [ 233.939056][ T6432] dump_stack_lvl+0xf8/0x160 [ 233.939675][ T6432] dump_stack+0x1c/0x5c [ 233.940241][ T6432] sysfs_create_dir_ns+0x22c/0x24c [ 233.941025][ T6432] kobject_add_internal+0x590/0xc54 [ 233.941778][ T6432] kobject_init_and_add+0x118/0x17c [ 233.942576][ T6432] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.943343][ T6432] gfs2_fill_super+0xdac/0x19e0 [ 233.944071][ T6432] get_tree_bdev+0x358/0x544 [ 233.944774][ T6432] gfs2_get_tree+0x54/0x1b4 [ 233.945523][ T6432] vfs_get_tree+0x90/0x274 [ 233.946279][ T6432] do_new_mount+0x228/0x810 [ 233.947060][ T6432] path_mount+0x5b4/0x1000 [ 233.947729][ T6432] __arm64_sys_mount+0x514/0x5e4 [ 233.948578][ T6432] invoke_syscall+0x98/0x2b8 [ 233.949382][ T6432] el0_svc_common+0x138/0x258 [ 233.950131][ T6432] do_el0_svc+0x58/0x14c [ 233.950832][ T6432] el0_svc+0x78/0x1e0 [ 233.951529][ T6432] el0t_64_sync_handler+0xcc/0xe4 [ 233.952431][ T6432] el0t_64_sync+0x1a0/0x1a4 [ 233.954130][ T6432] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.955981][ T6432] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.080714][ T6434] loop1: detected capacity change from 0 to 32768 [ 234.127817][ T6434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.129060][ T6434] CPU: 0 PID: 6434 Comm: syz.1.730 Not tainted syzkaller #0 [ 234.130102][ T6434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.131589][ T6434] Call trace: [ 234.132100][ T6434] dump_backtrace+0x0/0x43c [ 234.132767][ T6434] show_stack+0x2c/0x3c [ 234.133378][ T6434] __dump_stack+0x30/0x40 [ 234.133980][ T6434] dump_stack_lvl+0xf8/0x160 [ 234.134641][ T6434] dump_stack+0x1c/0x5c [ 234.135277][ T6434] sysfs_create_dir_ns+0x22c/0x24c [ 234.135990][ T6434] kobject_add_internal+0x590/0xc54 [ 234.136783][ T6434] kobject_init_and_add+0x118/0x17c [ 234.137574][ T6434] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.138332][ T6434] gfs2_fill_super+0xdac/0x19e0 [ 234.139109][ T6434] get_tree_bdev+0x358/0x544 [ 234.139827][ T6434] gfs2_get_tree+0x54/0x1b4 [ 234.140491][ T6434] vfs_get_tree+0x90/0x274 [ 234.141137][ T6434] do_new_mount+0x228/0x810 [ 234.141831][ T6434] path_mount+0x5b4/0x1000 [ 234.142478][ T6434] __arm64_sys_mount+0x514/0x5e4 [ 234.143178][ T6434] invoke_syscall+0x98/0x2b8 [ 234.143847][ T6434] el0_svc_common+0x138/0x258 [ 234.144492][ T6434] do_el0_svc+0x58/0x14c [ 234.145052][ T6434] el0_svc+0x78/0x1e0 [ 234.145614][ T6434] el0t_64_sync_handler+0xcc/0xe4 [ 234.146372][ T6434] el0t_64_sync+0x1a0/0x1a4 [ 234.147228][ T6434] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.149209][ T6434] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.336026][ T6436] loop1: detected capacity change from 0 to 32768 [ 234.393128][ T6436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.394260][ T6436] CPU: 0 PID: 6436 Comm: syz.1.731 Not tainted syzkaller #0 [ 234.395459][ T6436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.396962][ T6436] Call trace: [ 234.397482][ T6436] dump_backtrace+0x0/0x43c [ 234.398186][ T6436] show_stack+0x2c/0x3c [ 234.398803][ T6436] __dump_stack+0x30/0x40 [ 234.399457][ T6436] dump_stack_lvl+0xf8/0x160 [ 234.400155][ T6436] dump_stack+0x1c/0x5c [ 234.400729][ T6436] sysfs_create_dir_ns+0x22c/0x24c [ 234.401448][ T6436] kobject_add_internal+0x590/0xc54 [ 234.402238][ T6436] kobject_init_and_add+0x118/0x17c [ 234.403072][ T6436] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.403861][ T6436] gfs2_fill_super+0xdac/0x19e0 [ 234.404628][ T6436] get_tree_bdev+0x358/0x544 [ 234.405306][ T6436] gfs2_get_tree+0x54/0x1b4 [ 234.405960][ T6436] vfs_get_tree+0x90/0x274 [ 234.406648][ T6436] do_new_mount+0x228/0x810 [ 234.407349][ T6436] path_mount+0x5b4/0x1000 [ 234.407967][ T6436] __arm64_sys_mount+0x514/0x5e4 [ 234.408770][ T6436] invoke_syscall+0x98/0x2b8 [ 234.409492][ T6436] el0_svc_common+0x138/0x258 [ 234.410210][ T6436] do_el0_svc+0x58/0x14c [ 234.410941][ T6436] el0_svc+0x78/0x1e0 [ 234.411564][ T6436] el0t_64_sync_handler+0xcc/0xe4 [ 234.412362][ T6436] el0t_64_sync+0x1a0/0x1a4 [ 234.415070][ T6436] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.420665][ T6436] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.550778][ T6438] loop1: detected capacity change from 0 to 32768 [ 234.609334][ T6438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.613824][ T6438] CPU: 1 PID: 6438 Comm: syz.1.732 Not tainted syzkaller #0 [ 234.614956][ T6438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.616553][ T6438] Call trace: [ 234.617107][ T6438] dump_backtrace+0x0/0x43c [ 234.617858][ T6438] show_stack+0x2c/0x3c [ 234.618453][ T6438] __dump_stack+0x30/0x40 [ 234.619060][ T6438] dump_stack_lvl+0xf8/0x160 [ 234.619787][ T6438] dump_stack+0x1c/0x5c [ 234.620396][ T6438] sysfs_create_dir_ns+0x22c/0x24c [ 234.621133][ T6438] kobject_add_internal+0x590/0xc54 [ 234.621918][ T6438] kobject_init_and_add+0x118/0x17c [ 234.622678][ T6438] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.623417][ T6438] gfs2_fill_super+0xdac/0x19e0 [ 234.624128][ T6438] get_tree_bdev+0x358/0x544 [ 234.624836][ T6438] gfs2_get_tree+0x54/0x1b4 [ 234.625628][ T6438] vfs_get_tree+0x90/0x274 [ 234.626321][ T6438] do_new_mount+0x228/0x810 [ 234.627031][ T6438] path_mount+0x5b4/0x1000 [ 234.627698][ T6438] __arm64_sys_mount+0x514/0x5e4 [ 234.628460][ T6438] invoke_syscall+0x98/0x2b8 [ 234.629175][ T6438] el0_svc_common+0x138/0x258 [ 234.629887][ T6438] do_el0_svc+0x58/0x14c [ 234.630558][ T6438] el0_svc+0x78/0x1e0 [ 234.631151][ T6438] el0t_64_sync_handler+0xcc/0xe4 [ 234.631899][ T6438] el0t_64_sync+0x1a0/0x1a4 [ 234.634226][ T6438] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.636106][ T6438] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.746734][ T27] INFO: task syz-executor:4773 blocked for more than 143 seconds. [ 234.748154][ T27] Not tainted syzkaller #0 [ 234.748954][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.750371][ T27] task:syz-executor state:D stack: 0 pid: 4773 ppid: 1 flags:0x00000001 [ 234.751838][ T27] Call trace: [ 234.752349][ T27] __switch_to+0x2f4/0x558 [ 234.753060][ T27] __schedule+0xe08/0x1bf8 [ 234.753777][ T27] schedule+0x11c/0x1c8 [ 234.754440][ T27] schedule_timeout+0x180/0x2c8 [ 234.755217][ T27] gfs2_gl_hash_clear+0x174/0x2cc [ 234.756032][ T27] gfs2_put_super+0x614/0x6bc [ 234.757477][ T27] generic_shutdown_super+0x130/0x2f0 [ 234.758286][ T27] kill_block_super+0x70/0xdc [ 234.759047][ T27] gfs2_kill_sb+0xc0/0xd4 [ 234.759718][ T27] deactivate_locked_super+0xb8/0x13c [ 234.760516][ T27] deactivate_super+0xf8/0x118 [ 234.761171][ T27] cleanup_mnt+0x3a4/0x458 [ 234.761779][ T27] __cleanup_mnt+0x20/0x30 [ 234.762442][ T27] task_work_run+0x12c/0x1e0 [ 234.763172][ T27] do_notify_resume+0x24b4/0x3128 [ 234.763921][ T27] el0_svc+0xf0/0x1e0 [ 234.764521][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 234.765291][ T27] el0t_64_sync+0x1a0/0x1a4 [ 234.765996][ T27] [ 234.765996][ T27] Showing all locks held in the system: [ 234.767889][ T27] 1 lock held by ksoftirqd/1/20: [ 234.768710][ T27] #0: ffff0001a10e7958 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x310/0x1bf8 [ 234.769979][ T27] 1 lock held by khungtaskd/27: [ 234.770680][ T27] #0: ffff8000143513a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 234.772150][ T27] 2 locks held by getty/3805: [ 234.772807][ T27] #0: ffff0000d3c7f098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 234.774275][ T27] #1: ffff80001bcbe2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 234.775819][ T27] 1 lock held by syz-executor/4773: [ 234.777067][ T27] #0: ffff0000d84140e0 (&type->s_umount_key#52){++++}-{3:3}, at: deactivate_super+0xf0/0x118 [ 234.778780][ T27] 2 locks held by syz.1.733/6440: [ 234.779528][ T27] [ 234.779879][ T27] ============================================= [ 234.779879][ T27] [ 234.781197][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 234.782264][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 234.783352][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.784818][ T27] Call trace: [ 234.785299][ T27] dump_backtrace+0x0/0x43c [ 234.785950][ T27] show_stack+0x2c/0x3c [ 234.786567][ T27] __dump_stack+0x30/0x40 [ 234.787193][ T27] dump_stack_lvl+0xf8/0x160 [ 234.787882][ T27] dump_stack+0x1c/0x5c [ 234.788487][ T27] panic+0x2e4/0x854 [ 234.789059][ T27] hung_task_panic+0x0/0x2c [ 234.789733][ T27] kthread+0x374/0x454 [ 234.790356][ T27] ret_from_fork+0x10/0x20 [ 234.791098][ T27] SMP: stopping secondary CPUs [ 234.791823][ T27] Kernel Offset: disabled [ 234.792505][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 234.793353][ T27] Memory Limit: none [ 235.118464][ T27] Rebooting in 86400 seconds..