œ[{{{+: error -17 adding sysfs files [ 212.885140][ T6800] loop1: detected capacity change from 0 to 32768 [ 212.891782][ T6800] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.892955][ T6800] CPU: 0 PID: 6800 Comm: syz.1.617 Not tainted syzkaller #0 [ 212.894115][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.895686][ T6800] Call trace: [ 212.896219][ T6800] dump_backtrace+0x0/0x43c [ 212.896958][ T6800] show_stack+0x2c/0x3c [ 212.897608][ T6800] __dump_stack+0x30/0x40 [ 212.898306][ T6800] dump_stack_lvl+0xf8/0x160 [ 212.898973][ T6800] dump_stack+0x1c/0x5c [ 212.899667][ T6800] sysfs_create_dir_ns+0x22c/0x24c [ 212.900471][ T6800] kobject_add_internal+0x590/0xc54 [ 212.901319][ T6800] kobject_init_and_add+0x118/0x17c [ 212.902135][ T6800] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.902879][ T6800] gfs2_fill_super+0xdac/0x19e0 [ 212.903648][ T6800] get_tree_bdev+0x358/0x544 [ 212.904372][ T6800] gfs2_get_tree+0x54/0x1b4 [ 212.905085][ T6800] vfs_get_tree+0x90/0x274 [ 212.905726][ T6800] do_new_mount+0x228/0x810 [ 212.906457][ T6800] path_mount+0x5b4/0x1000 [ 212.907118][ T6800] __arm64_sys_mount+0x514/0x5e4 [ 212.907808][ T6800] invoke_syscall+0x98/0x2b8 [ 212.908526][ T6800] el0_svc_common+0x138/0x258 [ 212.909291][ T6800] do_el0_svc+0x58/0x14c [ 212.909921][ T6800] el0_svc+0x78/0x1e0 [ 212.910629][ T6800] el0t_64_sync_handler+0xcc/0xe4 [ 212.911467][ T6800] el0t_64_sync+0x1a0/0x1a4 [ 212.913099][ T6800] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.915184][ T6800] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.985445][ T6803] chnl_net:caif_netlink_parms(): no params data found [ 213.001059][ T6803] bridge0: port 1(bridge_slave_0) entered blocking state [ 213.002247][ T6803] bridge0: port 1(bridge_slave_0) entered disabled state [ 213.003705][ T6803] device bridge_slave_0 entered promiscuous mode [ 213.005611][ T6803] bridge0: port 2(bridge_slave_1) entered blocking state [ 213.007708][ T6803] bridge0: port 2(bridge_slave_1) entered disabled state [ 213.009324][ T6803] device bridge_slave_1 entered promiscuous mode [ 213.016771][ T6803] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 213.019133][ T6803] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 213.026962][ T6803] team0: Port device team_slave_0 added [ 213.028728][ T6803] team0: Port device team_slave_1 added [ 213.035115][ T6803] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 213.036238][ T6803] 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. [ 213.040298][ T6803] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 213.042562][ T6803] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 213.043625][ T6803] 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. [ 213.047740][ T6803] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 213.087972][ T6803] device hsr_slave_0 entered promiscuous mode [ 213.116690][ T6803] device hsr_slave_1 entered promiscuous mode [ 213.156513][ T6803] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 213.157709][ T6803] Cannot create hsr debugfs directory [ 213.191587][ T6803] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 213.669367][ T6803] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 213.712788][ T6803] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 213.779527][ T6803] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 213.931204][ T6803] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 213.992168][ T6803] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 214.029775][ T6803] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 214.078188][ T6803] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 214.140358][ T6803] 8021q: adding VLAN 0 to HW filter on device bond0 [ 214.143865][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 214.145362][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 214.149737][ T6803] 8021q: adding VLAN 0 to HW filter on device team0 [ 214.151973][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 214.153490][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 214.154974][ T285] bridge0: port 1(bridge_slave_0) entered blocking state [ 214.156114][ T285] bridge0: port 1(bridge_slave_0) entered forwarding state [ 214.157608][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 214.160253][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 214.161767][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 214.163245][ T285] bridge0: port 2(bridge_slave_1) entered blocking state [ 214.164338][ T285] bridge0: port 2(bridge_slave_1) entered forwarding state [ 214.167652][ T1691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 214.170803][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 214.173247][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 214.174916][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 214.177520][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 214.180123][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 214.181851][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 214.184716][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 214.186167][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 214.189692][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 214.191173][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 214.193437][ T6803] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 214.232923][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 214.234242][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 214.240857][ T6803] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 214.246028][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 214.247675][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 214.253825][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 214.255201][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 214.256836][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 214.258683][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 214.260988][ T6803] device veth0_vlan entered promiscuous mode [ 214.264431][ T6803] device veth1_vlan entered promiscuous mode [ 214.271106][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 214.272572][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 214.274006][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 214.275482][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 214.281891][ T6803] device veth0_macvtap entered promiscuous mode [ 214.284194][ T6803] device veth1_macvtap entered promiscuous mode [ 214.289833][ T6803] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 214.291463][ T6803] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 214.292900][ T6803] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 214.294546][ T6803] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 214.297000][ T6803] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 214.298573][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 214.300098][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 214.301533][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 214.302974][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 214.305166][ T6803] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 214.306700][ T6803] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 214.308177][ T6803] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 214.309828][ T6803] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 214.311778][ T6803] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 214.312938][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 214.314515][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 214.317618][ T6803] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 214.319032][ T6803] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 214.320404][ T6803] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 214.321828][ T6803] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 214.338935][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 214.343880][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 214.345590][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 214.350442][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 214.351664][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 214.353251][ T285] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:03:34 executed programs: 604 [ 214.493973][ T6821] loop1: detected capacity change from 0 to 32768 [ 214.532082][ T6821] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.533349][ T6821] CPU: 1 PID: 6821 Comm: syz.1.618 Not tainted syzkaller #0 [ 214.534421][ T6821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.536070][ T6821] Call trace: [ 214.536594][ T6821] dump_backtrace+0x0/0x43c [ 214.537386][ T6821] show_stack+0x2c/0x3c [ 214.538069][ T6821] __dump_stack+0x30/0x40 [ 214.538813][ T6821] dump_stack_lvl+0xf8/0x160 [ 214.539581][ T6821] dump_stack+0x1c/0x5c [ 214.540279][ T6821] sysfs_create_dir_ns+0x22c/0x24c [ 214.541098][ T6821] kobject_add_internal+0x590/0xc54 [ 214.541891][ T6821] kobject_init_and_add+0x118/0x17c [ 214.542716][ T6821] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.543458][ T6821] gfs2_fill_super+0xdac/0x19e0 [ 214.544228][ T6821] get_tree_bdev+0x358/0x544 [ 214.544940][ T6821] gfs2_get_tree+0x54/0x1b4 [ 214.545714][ T6821] vfs_get_tree+0x90/0x274 [ 214.546378][ T6821] do_new_mount+0x228/0x810 [ 214.547093][ T6821] path_mount+0x5b4/0x1000 [ 214.547787][ T6821] __arm64_sys_mount+0x514/0x5e4 [ 214.548540][ T6821] invoke_syscall+0x98/0x2b8 [ 214.549299][ T6821] el0_svc_common+0x138/0x258 [ 214.549986][ T6821] do_el0_svc+0x58/0x14c [ 214.550657][ T6821] el0_svc+0x78/0x1e0 [ 214.551234][ T6821] el0t_64_sync_handler+0xcc/0xe4 [ 214.552017][ T6821] el0t_64_sync+0x1a0/0x1a4 [ 214.554793][ T6821] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.556862][ T6821] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.682508][ T6824] loop1: detected capacity change from 0 to 32768 [ 214.727033][ T6824] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.728140][ T6824] CPU: 1 PID: 6824 Comm: syz.1.619 Not tainted syzkaller #0 [ 214.729212][ T6824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.730759][ T6824] Call trace: [ 214.731211][ T6824] dump_backtrace+0x0/0x43c [ 214.732002][ T6824] show_stack+0x2c/0x3c [ 214.732698][ T6824] __dump_stack+0x30/0x40 [ 214.733376][ T6824] dump_stack_lvl+0xf8/0x160 [ 214.734071][ T6824] dump_stack+0x1c/0x5c [ 214.734721][ T6824] sysfs_create_dir_ns+0x22c/0x24c [ 214.735601][ T6824] kobject_add_internal+0x590/0xc54 [ 214.736381][ T6824] kobject_init_and_add+0x118/0x17c [ 214.737184][ T6824] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.737891][ T6824] gfs2_fill_super+0xdac/0x19e0 [ 214.738634][ T6824] get_tree_bdev+0x358/0x544 [ 214.739345][ T6824] gfs2_get_tree+0x54/0x1b4 [ 214.740040][ T6824] vfs_get_tree+0x90/0x274 [ 214.740695][ T6824] do_new_mount+0x228/0x810 [ 214.741398][ T6824] path_mount+0x5b4/0x1000 [ 214.742071][ T6824] __arm64_sys_mount+0x514/0x5e4 [ 214.742760][ T6824] invoke_syscall+0x98/0x2b8 [ 214.743463][ T6824] el0_svc_common+0x138/0x258 [ 214.744147][ T6824] do_el0_svc+0x58/0x14c [ 214.744754][ T6824] el0_svc+0x78/0x1e0 [ 214.745340][ T6824] el0t_64_sync_handler+0xcc/0xe4 [ 214.746110][ T6824] el0t_64_sync+0x1a0/0x1a4 [ 214.748105][ T6824] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.750616][ T6824] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.939716][ T6827] loop1: detected capacity change from 0 to 32768 [ 214.966506][ T4174] Bluetooth: hci2: command 0x0409 tx timeout [ 214.972915][ T6827] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.973994][ T6827] CPU: 1 PID: 6827 Comm: syz.1.620 Not tainted syzkaller #0 [ 214.975127][ T6827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.976591][ T6827] Call trace: [ 214.977067][ T6827] dump_backtrace+0x0/0x43c [ 214.977782][ T6827] show_stack+0x2c/0x3c [ 214.978418][ T6827] __dump_stack+0x30/0x40 [ 214.979033][ T6827] dump_stack_lvl+0xf8/0x160 [ 214.979726][ T6827] dump_stack+0x1c/0x5c [ 214.980384][ T6827] sysfs_create_dir_ns+0x22c/0x24c [ 214.981138][ T6827] kobject_add_internal+0x590/0xc54 [ 214.981965][ T6827] kobject_init_and_add+0x118/0x17c [ 214.982857][ T6827] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.983601][ T6827] gfs2_fill_super+0xdac/0x19e0 [ 214.984359][ T6827] get_tree_bdev+0x358/0x544 [ 214.985080][ T6827] gfs2_get_tree+0x54/0x1b4 [ 214.985735][ T6827] vfs_get_tree+0x90/0x274 [ 214.986403][ T6827] do_new_mount+0x228/0x810 [ 214.987117][ T6827] path_mount+0x5b4/0x1000 [ 214.987794][ T6827] __arm64_sys_mount+0x514/0x5e4 [ 214.988515][ T6827] invoke_syscall+0x98/0x2b8 [ 214.989214][ T6827] el0_svc_common+0x138/0x258 [ 214.989934][ T6827] do_el0_svc+0x58/0x14c [ 214.990553][ T6827] el0_svc+0x78/0x1e0 [ 214.991192][ T6827] el0t_64_sync_handler+0xcc/0xe4 [ 214.991977][ T6827] el0t_64_sync+0x1a0/0x1a4 [ 214.994359][ T6827] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.996305][ T6827] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.130399][ T6830] loop1: detected capacity change from 0 to 32768 [ 215.210050][ T6830] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.211332][ T6830] CPU: 0 PID: 6830 Comm: syz.1.621 Not tainted syzkaller #0 [ 215.212349][ T6830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.213950][ T6830] Call trace: [ 215.214510][ T6830] dump_backtrace+0x0/0x43c [ 215.215241][ T6830] show_stack+0x2c/0x3c [ 215.215972][ T6830] __dump_stack+0x30/0x40 [ 215.216699][ T6830] dump_stack_lvl+0xf8/0x160 [ 215.217501][ T6830] dump_stack+0x1c/0x5c [ 215.218170][ T6830] sysfs_create_dir_ns+0x22c/0x24c [ 215.218970][ T6830] kobject_add_internal+0x590/0xc54 [ 215.219789][ T6830] kobject_init_and_add+0x118/0x17c [ 215.220654][ T6830] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.221443][ T6830] gfs2_fill_super+0xdac/0x19e0 [ 215.222205][ T6830] get_tree_bdev+0x358/0x544 [ 215.222987][ T6830] gfs2_get_tree+0x54/0x1b4 [ 215.223751][ T6830] vfs_get_tree+0x90/0x274 [ 215.224435][ T6830] do_new_mount+0x228/0x810 [ 215.225155][ T6830] path_mount+0x5b4/0x1000 [ 215.225809][ T6830] __arm64_sys_mount+0x514/0x5e4 [ 215.226596][ T6830] invoke_syscall+0x98/0x2b8 [ 215.227336][ T6830] el0_svc_common+0x138/0x258 [ 215.228047][ T6830] do_el0_svc+0x58/0x14c [ 215.228672][ T6830] el0_svc+0x78/0x1e0 [ 215.229289][ T6830] el0t_64_sync_handler+0xcc/0xe4 [ 215.230049][ T6830] el0t_64_sync+0x1a0/0x1a4 [ 215.230986][ T6830] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.233062][ T6830] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.235190][ T1669] device hsr_slave_0 left promiscuous mode [ 215.258615][ T1669] device hsr_slave_1 left promiscuous mode [ 215.348456][ T1669] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 215.349711][ T1669] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 215.351907][ T1669] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 215.353013][ T1669] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 215.354575][ T1669] device bridge_slave_1 left promiscuous mode [ 215.355598][ T1669] bridge0: port 2(bridge_slave_1) entered disabled state [ 215.360308][ T6833] loop1: detected capacity change from 0 to 32768 [ 215.397342][ T6833] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.398464][ T6833] CPU: 0 PID: 6833 Comm: syz.1.622 Not tainted syzkaller #0 [ 215.399531][ T6833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.400977][ T6833] Call trace: [ 215.401445][ T6833] dump_backtrace+0x0/0x43c [ 215.402068][ T6833] show_stack+0x2c/0x3c [ 215.402100][ T1669] device bridge_slave_0 left promiscuous mode [ 215.402684][ T6833] __dump_stack+0x30/0x40 [ 215.403665][ T1669] bridge0: port 1(bridge_slave_0) entered disabled state [ 215.404163][ T6833] dump_stack_lvl+0xf8/0x160 [ 215.405855][ T6833] dump_stack+0x1c/0x5c [ 215.406438][ T6833] sysfs_create_dir_ns+0x22c/0x24c [ 215.407182][ T6833] kobject_add_internal+0x590/0xc54 [ 215.408048][ T6833] kobject_init_and_add+0x118/0x17c [ 215.408885][ T6833] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.409608][ T6833] gfs2_fill_super+0xdac/0x19e0 [ 215.410325][ T6833] get_tree_bdev+0x358/0x544 [ 215.411113][ T6833] gfs2_get_tree+0x54/0x1b4 [ 215.411783][ T6833] vfs_get_tree+0x90/0x274 [ 215.412484][ T6833] do_new_mount+0x228/0x810 [ 215.413200][ T6833] path_mount+0x5b4/0x1000 [ 215.413851][ T6833] __arm64_sys_mount+0x514/0x5e4 [ 215.414600][ T6833] invoke_syscall+0x98/0x2b8 [ 215.415238][ T6833] el0_svc_common+0x138/0x258 [ 215.415933][ T6833] do_el0_svc+0x58/0x14c [ 215.416591][ T6833] el0_svc+0x78/0x1e0 [ 215.417234][ T6833] el0t_64_sync_handler+0xcc/0xe4 [ 215.418021][ T6833] el0t_64_sync+0x1a0/0x1a4 [ 215.418841][ T6833] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.420703][ T6833] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.576570][ T1669] device veth1_macvtap left promiscuous mode [ 215.577678][ T1669] device veth0_macvtap left promiscuous mode [ 215.578782][ T1669] device veth1_vlan left promiscuous mode [ 215.579873][ T1669] device veth0_vlan left promiscuous mode [ 215.593007][ T6836] loop1: detected capacity change from 0 to 32768 [ 215.647594][ T6836] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.648770][ T6836] CPU: 1 PID: 6836 Comm: syz.1.623 Not tainted syzkaller #0 [ 215.649869][ T6836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.651435][ T6836] Call trace: [ 215.651936][ T6836] dump_backtrace+0x0/0x43c [ 215.652638][ T6836] show_stack+0x2c/0x3c [ 215.653289][ T6836] __dump_stack+0x30/0x40 [ 215.653975][ T6836] dump_stack_lvl+0xf8/0x160 [ 215.654678][ T6836] dump_stack+0x1c/0x5c [ 215.655300][ T6836] sysfs_create_dir_ns+0x22c/0x24c [ 215.656144][ T6836] kobject_add_internal+0x590/0xc54 [ 215.657023][ T6836] kobject_init_and_add+0x118/0x17c [ 215.657914][ T6836] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.658663][ T6836] gfs2_fill_super+0xdac/0x19e0 [ 215.659497][ T6836] get_tree_bdev+0x358/0x544 [ 215.660263][ T6836] gfs2_get_tree+0x54/0x1b4 [ 215.661002][ T6836] vfs_get_tree+0x90/0x274 [ 215.661750][ T6836] do_new_mount+0x228/0x810 [ 215.662491][ T6836] path_mount+0x5b4/0x1000 [ 215.663168][ T6836] __arm64_sys_mount+0x514/0x5e4 [ 215.663921][ T6836] invoke_syscall+0x98/0x2b8 [ 215.664547][ T6836] el0_svc_common+0x138/0x258 [ 215.665323][ T6836] do_el0_svc+0x58/0x14c [ 215.666045][ T6836] el0_svc+0x78/0x1e0 [ 215.666721][ T6836] el0t_64_sync_handler+0xcc/0xe4 [ 215.667574][ T6836] el0t_64_sync+0x1a0/0x1a4 [ 215.694819][ T6836] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.699133][ T6836] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.700602][ T1669] team0 (unregistering): Port device team_slave_1 removed [ 215.704912][ T1669] team0 (unregistering): Port device team_slave_0 removed [ 215.709059][ T1669] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 215.749340][ T1669] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 215.849714][ T1669] bond0 (unregistering): Released all slaves [ 215.937686][ T6839] loop1: detected capacity change from 0 to 32768 [ 216.001301][ T6839] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.002623][ T6839] CPU: 1 PID: 6839 Comm: syz.1.624 Not tainted syzkaller #0 [ 216.003763][ T6839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.005439][ T6839] Call trace: [ 216.005978][ T6839] dump_backtrace+0x0/0x43c [ 216.006664][ T6839] show_stack+0x2c/0x3c [ 216.007344][ T6839] __dump_stack+0x30/0x40 [ 216.008086][ T6839] dump_stack_lvl+0xf8/0x160 [ 216.008805][ T6839] dump_stack+0x1c/0x5c [ 216.009464][ T6839] sysfs_create_dir_ns+0x22c/0x24c [ 216.010261][ T6839] kobject_add_internal+0x590/0xc54 [ 216.011058][ T6839] kobject_init_and_add+0x118/0x17c [ 216.011857][ T6839] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.012556][ T6839] gfs2_fill_super+0xdac/0x19e0 [ 216.013337][ T6839] get_tree_bdev+0x358/0x544 [ 216.014045][ T6839] gfs2_get_tree+0x54/0x1b4 [ 216.014752][ T6839] vfs_get_tree+0x90/0x274 [ 216.015498][ T6839] do_new_mount+0x228/0x810 [ 216.016234][ T6839] path_mount+0x5b4/0x1000 [ 216.016916][ T6839] __arm64_sys_mount+0x514/0x5e4 [ 216.017651][ T6839] invoke_syscall+0x98/0x2b8 [ 216.018347][ T6839] el0_svc_common+0x138/0x258 [ 216.019085][ T6839] do_el0_svc+0x58/0x14c [ 216.019740][ T6839] el0_svc+0x78/0x1e0 [ 216.020336][ T6839] el0t_64_sync_handler+0xcc/0xe4 [ 216.021094][ T6839] el0t_64_sync+0x1a0/0x1a4 [ 216.023711][ T6839] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.025601][ T6839] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.153192][ T6842] loop1: detected capacity change from 0 to 32768 [ 216.231803][ T6842] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.233035][ T6842] CPU: 0 PID: 6842 Comm: syz.1.625 Not tainted syzkaller #0 [ 216.234083][ T6842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.235704][ T6842] Call trace: [ 216.236199][ T6842] dump_backtrace+0x0/0x43c [ 216.236958][ T6842] show_stack+0x2c/0x3c [ 216.237580][ T6842] __dump_stack+0x30/0x40 [ 216.238276][ T6842] dump_stack_lvl+0xf8/0x160 [ 216.239005][ T6842] dump_stack+0x1c/0x5c [ 216.239637][ T6842] sysfs_create_dir_ns+0x22c/0x24c [ 216.240459][ T6842] kobject_add_internal+0x590/0xc54 [ 216.241356][ T6842] kobject_init_and_add+0x118/0x17c [ 216.242236][ T6842] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.243002][ T6842] gfs2_fill_super+0xdac/0x19e0 [ 216.243801][ T6842] get_tree_bdev+0x358/0x544 [ 216.244520][ T6842] gfs2_get_tree+0x54/0x1b4 [ 216.245251][ T6842] vfs_get_tree+0x90/0x274 [ 216.245917][ T6842] do_new_mount+0x228/0x810 [ 216.246606][ T6842] path_mount+0x5b4/0x1000 [ 216.247355][ T6842] __arm64_sys_mount+0x514/0x5e4 [ 216.248097][ T6842] invoke_syscall+0x98/0x2b8 [ 216.248810][ T6842] el0_svc_common+0x138/0x258 [ 216.249563][ T6842] do_el0_svc+0x58/0x14c [ 216.250234][ T6842] el0_svc+0x78/0x1e0 [ 216.250822][ T6842] el0t_64_sync_handler+0xcc/0xe4 [ 216.251664][ T6842] el0t_64_sync+0x1a0/0x1a4 [ 216.254820][ T6842] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.257038][ T6842] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.421190][ T6845] loop1: detected capacity change from 0 to 32768 [ 216.484869][ T6845] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.486036][ T6845] CPU: 1 PID: 6845 Comm: syz.1.626 Not tainted syzkaller #0 [ 216.487164][ T6845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.488831][ T6845] Call trace: [ 216.489356][ T6845] dump_backtrace+0x0/0x43c [ 216.490078][ T6845] show_stack+0x2c/0x3c [ 216.490776][ T6845] __dump_stack+0x30/0x40 [ 216.491457][ T6845] dump_stack_lvl+0xf8/0x160 [ 216.492203][ T6845] dump_stack+0x1c/0x5c [ 216.492946][ T6845] sysfs_create_dir_ns+0x22c/0x24c [ 216.493694][ T6845] kobject_add_internal+0x590/0xc54 [ 216.494555][ T6845] kobject_init_and_add+0x118/0x17c [ 216.495374][ T6845] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.496063][ T6845] gfs2_fill_super+0xdac/0x19e0 [ 216.496800][ T6845] get_tree_bdev+0x358/0x544 [ 216.497500][ T6845] gfs2_get_tree+0x54/0x1b4 [ 216.498167][ T6845] vfs_get_tree+0x90/0x274 [ 216.498885][ T6845] do_new_mount+0x228/0x810 [ 216.499583][ T6845] path_mount+0x5b4/0x1000 [ 216.500232][ T6845] __arm64_sys_mount+0x514/0x5e4 [ 216.500952][ T6845] invoke_syscall+0x98/0x2b8 [ 216.501685][ T6845] el0_svc_common+0x138/0x258 [ 216.502375][ T6845] do_el0_svc+0x58/0x14c [ 216.503000][ T6845] el0_svc+0x78/0x1e0 [ 216.503587][ T6845] el0t_64_sync_handler+0xcc/0xe4 [ 216.504291][ T6845] el0t_64_sync+0x1a0/0x1a4 [ 216.507040][ T6845] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.509036][ T6845] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.643984][ T6848] loop1: detected capacity change from 0 to 32768 [ 216.687018][ T6848] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.688306][ T6848] CPU: 1 PID: 6848 Comm: syz.1.627 Not tainted syzkaller #0 [ 216.689404][ T6848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.690956][ T6848] Call trace: [ 216.691497][ T6848] dump_backtrace+0x0/0x43c [ 216.692169][ T6848] show_stack+0x2c/0x3c [ 216.692744][ T6848] __dump_stack+0x30/0x40 [ 216.693394][ T6848] dump_stack_lvl+0xf8/0x160 [ 216.694030][ T6848] dump_stack+0x1c/0x5c [ 216.694582][ T6848] sysfs_create_dir_ns+0x22c/0x24c [ 216.695340][ T6848] kobject_add_internal+0x590/0xc54 [ 216.696249][ T6848] kobject_init_and_add+0x118/0x17c [ 216.697131][ T6848] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.697853][ T6848] gfs2_fill_super+0xdac/0x19e0 [ 216.698588][ T6848] get_tree_bdev+0x358/0x544 [ 216.699282][ T6848] gfs2_get_tree+0x54/0x1b4 [ 216.699938][ T6848] vfs_get_tree+0x90/0x274 [ 216.700649][ T6848] do_new_mount+0x228/0x810 [ 216.701348][ T6848] path_mount+0x5b4/0x1000 [ 216.702015][ T6848] __arm64_sys_mount+0x514/0x5e4 [ 216.702803][ T6848] invoke_syscall+0x98/0x2b8 [ 216.703546][ T6848] el0_svc_common+0x138/0x258 [ 216.704320][ T6848] do_el0_svc+0x58/0x14c [ 216.705017][ T6848] el0_svc+0x78/0x1e0 [ 216.705676][ T6848] el0t_64_sync_handler+0xcc/0xe4 [ 216.706429][ T6848] el0t_64_sync+0x1a0/0x1a4 [ 216.708822][ T6848] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.710772][ T6848] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.840726][ T6851] loop1: detected capacity change from 0 to 32768 [ 216.886978][ T6851] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.888159][ T6851] CPU: 1 PID: 6851 Comm: syz.1.628 Not tainted syzkaller #0 [ 216.889266][ T6851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.890826][ T6851] Call trace: [ 216.891330][ T6851] dump_backtrace+0x0/0x43c [ 216.892019][ T6851] show_stack+0x2c/0x3c [ 216.892677][ T6851] __dump_stack+0x30/0x40 [ 216.893395][ T6851] dump_stack_lvl+0xf8/0x160 [ 216.894130][ T6851] dump_stack+0x1c/0x5c [ 216.894774][ T6851] sysfs_create_dir_ns+0x22c/0x24c [ 216.895577][ T6851] kobject_add_internal+0x590/0xc54 [ 216.896381][ T6851] kobject_init_and_add+0x118/0x17c [ 216.897288][ T6851] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.898040][ T6851] gfs2_fill_super+0xdac/0x19e0 [ 216.898776][ T6851] get_tree_bdev+0x358/0x544 [ 216.899525][ T6851] gfs2_get_tree+0x54/0x1b4 [ 216.900307][ T6851] vfs_get_tree+0x90/0x274 [ 216.900993][ T6851] do_new_mount+0x228/0x810 [ 216.901698][ T6851] path_mount+0x5b4/0x1000 [ 216.902397][ T6851] __arm64_sys_mount+0x514/0x5e4 [ 216.903166][ T6851] invoke_syscall+0x98/0x2b8 [ 216.903962][ T6851] el0_svc_common+0x138/0x258 [ 216.904694][ T6851] do_el0_svc+0x58/0x14c [ 216.905403][ T6851] el0_svc+0x78/0x1e0 [ 216.906051][ T6851] el0t_64_sync_handler+0xcc/0xe4 [ 216.906863][ T6851] el0t_64_sync+0x1a0/0x1a4 [ 216.909931][ T6851] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.911931][ T6851] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.045828][ T6854] loop1: detected capacity change from 0 to 32768 [ 217.046493][ T4689] Bluetooth: hci2: command 0x041b tx timeout [ 217.088069][ T6854] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.089233][ T6854] CPU: 0 PID: 6854 Comm: syz.1.629 Not tainted syzkaller #0 [ 217.090370][ T6854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.091967][ T6854] Call trace: [ 217.092492][ T6854] dump_backtrace+0x0/0x43c [ 217.093205][ T6854] show_stack+0x2c/0x3c [ 217.093864][ T6854] __dump_stack+0x30/0x40 [ 217.094602][ T6854] dump_stack_lvl+0xf8/0x160 [ 217.095267][ T6854] dump_stack+0x1c/0x5c [ 217.095976][ T6854] sysfs_create_dir_ns+0x22c/0x24c [ 217.096692][ T6854] kobject_add_internal+0x590/0xc54 [ 217.097428][ T6854] kobject_init_and_add+0x118/0x17c [ 217.098178][ T6854] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.098844][ T6854] gfs2_fill_super+0xdac/0x19e0 [ 217.099615][ T6854] get_tree_bdev+0x358/0x544 [ 217.100337][ T6854] gfs2_get_tree+0x54/0x1b4 [ 217.101026][ T6854] vfs_get_tree+0x90/0x274 [ 217.101692][ T6854] do_new_mount+0x228/0x810 [ 217.102434][ T6854] path_mount+0x5b4/0x1000 [ 217.103076][ T6854] __arm64_sys_mount+0x514/0x5e4 [ 217.103817][ T6854] invoke_syscall+0x98/0x2b8 [ 217.104602][ T6854] el0_svc_common+0x138/0x258 [ 217.105346][ T6854] do_el0_svc+0x58/0x14c [ 217.105998][ T6854] el0_svc+0x78/0x1e0 [ 217.106595][ T6854] el0t_64_sync_handler+0xcc/0xe4 [ 217.107381][ T6854] el0t_64_sync+0x1a0/0x1a4 [ 217.147708][ T6854] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.149657][ T6854] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.318601][ T6857] loop1: detected capacity change from 0 to 32768 [ 217.397740][ T6857] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.398950][ T6857] CPU: 1 PID: 6857 Comm: syz.1.630 Not tainted syzkaller #0 [ 217.400033][ T6857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.401551][ T6857] Call trace: [ 217.402040][ T6857] dump_backtrace+0x0/0x43c [ 217.402716][ T6857] show_stack+0x2c/0x3c [ 217.403298][ T6857] __dump_stack+0x30/0x40 [ 217.403870][ T6857] dump_stack_lvl+0xf8/0x160 [ 217.404525][ T6857] dump_stack+0x1c/0x5c [ 217.405141][ T6857] sysfs_create_dir_ns+0x22c/0x24c [ 217.405880][ T6857] kobject_add_internal+0x590/0xc54 [ 217.406661][ T6857] kobject_init_and_add+0x118/0x17c [ 217.407516][ T6857] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.408313][ T6857] gfs2_fill_super+0xdac/0x19e0 [ 217.409103][ T6857] get_tree_bdev+0x358/0x544 [ 217.409879][ T6857] gfs2_get_tree+0x54/0x1b4 [ 217.410640][ T6857] vfs_get_tree+0x90/0x274 [ 217.411390][ T6857] do_new_mount+0x228/0x810 [ 217.412072][ T6857] path_mount+0x5b4/0x1000 [ 217.412751][ T6857] __arm64_sys_mount+0x514/0x5e4 [ 217.413541][ T6857] invoke_syscall+0x98/0x2b8 [ 217.414238][ T6857] el0_svc_common+0x138/0x258 [ 217.414970][ T6857] do_el0_svc+0x58/0x14c [ 217.415715][ T6857] el0_svc+0x78/0x1e0 [ 217.416355][ T6857] el0t_64_sync_handler+0xcc/0xe4 [ 217.417146][ T6857] el0t_64_sync+0x1a0/0x1a4 [ 217.419305][ T6857] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.421434][ T6857] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.652365][ T6860] loop1: detected capacity change from 0 to 32768 [ 217.687057][ T6860] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.688246][ T6860] CPU: 0 PID: 6860 Comm: syz.1.631 Not tainted syzkaller #0 [ 217.689363][ T6860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.691044][ T6860] Call trace: [ 217.691598][ T6860] dump_backtrace+0x0/0x43c [ 217.692366][ T6860] show_stack+0x2c/0x3c [ 217.693067][ T6860] __dump_stack+0x30/0x40 [ 217.693773][ T6860] dump_stack_lvl+0xf8/0x160 [ 217.694432][ T6860] dump_stack+0x1c/0x5c [ 217.695062][ T6860] sysfs_create_dir_ns+0x22c/0x24c [ 217.695877][ T6860] kobject_add_internal+0x590/0xc54 [ 217.696726][ T6860] kobject_init_and_add+0x118/0x17c [ 217.697584][ T6860] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.698323][ T6860] gfs2_fill_super+0xdac/0x19e0 [ 217.698968][ T6860] get_tree_bdev+0x358/0x544 [ 217.699642][ T6860] gfs2_get_tree+0x54/0x1b4 [ 217.700356][ T6860] vfs_get_tree+0x90/0x274 [ 217.701107][ T6860] do_new_mount+0x228/0x810 [ 217.701834][ T6860] path_mount+0x5b4/0x1000 [ 217.702533][ T6860] __arm64_sys_mount+0x514/0x5e4 [ 217.703282][ T6860] invoke_syscall+0x98/0x2b8 [ 217.703978][ T6860] el0_svc_common+0x138/0x258 [ 217.704778][ T6860] do_el0_svc+0x58/0x14c [ 217.705445][ T6860] el0_svc+0x78/0x1e0 [ 217.706015][ T6860] el0t_64_sync_handler+0xcc/0xe4 [ 217.706781][ T6860] el0t_64_sync+0x1a0/0x1a4 [ 217.708082][ T6860] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.709916][ T6860] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.843914][ T6863] loop1: detected capacity change from 0 to 32768 [ 217.876956][ T6863] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.881358][ T6863] CPU: 1 PID: 6863 Comm: syz.1.632 Not tainted syzkaller #0 [ 217.882513][ T6863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.884119][ T6863] Call trace: [ 217.884601][ T6863] dump_backtrace+0x0/0x43c [ 217.885374][ T6863] show_stack+0x2c/0x3c [ 217.886023][ T6863] __dump_stack+0x30/0x40 [ 217.886676][ T6863] dump_stack_lvl+0xf8/0x160 [ 217.887445][ T6863] dump_stack+0x1c/0x5c [ 217.888126][ T6863] sysfs_create_dir_ns+0x22c/0x24c [ 217.888980][ T6863] kobject_add_internal+0x590/0xc54 [ 217.889782][ T6863] kobject_init_and_add+0x118/0x17c [ 217.890636][ T6863] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.891434][ T6863] gfs2_fill_super+0xdac/0x19e0 [ 217.892144][ T6863] get_tree_bdev+0x358/0x544 [ 217.892865][ T6863] gfs2_get_tree+0x54/0x1b4 [ 217.893579][ T6863] vfs_get_tree+0x90/0x274 [ 217.894255][ T6863] do_new_mount+0x228/0x810 [ 217.894986][ T6863] path_mount+0x5b4/0x1000 [ 217.895649][ T6863] __arm64_sys_mount+0x514/0x5e4 [ 217.896535][ T6863] invoke_syscall+0x98/0x2b8 [ 217.897305][ T6863] el0_svc_common+0x138/0x258 [ 217.898093][ T6863] do_el0_svc+0x58/0x14c [ 217.898743][ T6863] el0_svc+0x78/0x1e0 [ 217.899381][ T6863] el0t_64_sync_handler+0xcc/0xe4 [ 217.900217][ T6863] el0t_64_sync+0x1a0/0x1a4 [ 217.902372][ T6863] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.904388][ T6863] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.030610][ T6866] loop1: detected capacity change from 0 to 32768 [ 218.037514][ T6866] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.038728][ T6866] CPU: 1 PID: 6866 Comm: syz.1.633 Not tainted syzkaller #0 [ 218.039949][ T6866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.041631][ T6866] Call trace: [ 218.042117][ T6866] dump_backtrace+0x0/0x43c [ 218.042806][ T6866] show_stack+0x2c/0x3c [ 218.043469][ T6866] __dump_stack+0x30/0x40 [ 218.044112][ T6866] dump_stack_lvl+0xf8/0x160 [ 218.044775][ T6866] dump_stack+0x1c/0x5c [ 218.045451][ T6866] sysfs_create_dir_ns+0x22c/0x24c [ 218.046159][ T6866] kobject_add_internal+0x590/0xc54 [ 218.046968][ T6866] kobject_init_and_add+0x118/0x17c [ 218.047800][ T6866] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.048618][ T6866] gfs2_fill_super+0xdac/0x19e0 [ 218.049361][ T6866] get_tree_bdev+0x358/0x544 [ 218.050039][ T6866] gfs2_get_tree+0x54/0x1b4 [ 218.050787][ T6866] vfs_get_tree+0x90/0x274 [ 218.051512][ T6866] do_new_mount+0x228/0x810 [ 218.052186][ T6866] path_mount+0x5b4/0x1000 [ 218.052846][ T6866] __arm64_sys_mount+0x514/0x5e4 [ 218.053563][ T6866] invoke_syscall+0x98/0x2b8 [ 218.054274][ T6866] el0_svc_common+0x138/0x258 [ 218.055071][ T6866] do_el0_svc+0x58/0x14c [ 218.055799][ T6866] el0_svc+0x78/0x1e0 [ 218.056416][ T6866] el0t_64_sync_handler+0xcc/0xe4 [ 218.057240][ T6866] el0t_64_sync+0x1a0/0x1a4 [ 218.059462][ T6866] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.061464][ T6866] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.251372][ T6869] loop1: detected capacity change from 0 to 32768 [ 218.297430][ T6869] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.298574][ T6869] CPU: 0 PID: 6869 Comm: syz.1.634 Not tainted syzkaller #0 [ 218.299634][ T6869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.301191][ T6869] Call trace: [ 218.301668][ T6869] dump_backtrace+0x0/0x43c [ 218.302292][ T6869] show_stack+0x2c/0x3c [ 218.302905][ T6869] __dump_stack+0x30/0x40 [ 218.303566][ T6869] dump_stack_lvl+0xf8/0x160 [ 218.304275][ T6869] dump_stack+0x1c/0x5c [ 218.304968][ T6869] sysfs_create_dir_ns+0x22c/0x24c [ 218.305728][ T6869] kobject_add_internal+0x590/0xc54 [ 218.306552][ T6869] kobject_init_and_add+0x118/0x17c [ 218.307370][ T6869] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.308134][ T6869] gfs2_fill_super+0xdac/0x19e0 [ 218.308865][ T6869] get_tree_bdev+0x358/0x544 [ 218.309585][ T6869] gfs2_get_tree+0x54/0x1b4 [ 218.310314][ T6869] vfs_get_tree+0x90/0x274 [ 218.311020][ T6869] do_new_mount+0x228/0x810 [ 218.311793][ T6869] path_mount+0x5b4/0x1000 [ 218.312517][ T6869] __arm64_sys_mount+0x514/0x5e4 [ 218.313298][ T6869] invoke_syscall+0x98/0x2b8 [ 218.314017][ T6869] el0_svc_common+0x138/0x258 [ 218.314710][ T6869] do_el0_svc+0x58/0x14c [ 218.315292][ T6869] el0_svc+0x78/0x1e0 [ 218.315902][ T6869] el0t_64_sync_handler+0xcc/0xe4 [ 218.316668][ T6869] el0t_64_sync+0x1a0/0x1a4 [ 218.317487][ T6869] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.319379][ T6869] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.448172][ T6872] loop1: detected capacity change from 0 to 32768 [ 218.530327][ T6872] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.531560][ T6872] CPU: 0 PID: 6872 Comm: syz.1.635 Not tainted syzkaller #0 [ 218.532594][ T6872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.534328][ T6872] Call trace: [ 218.534821][ T6872] dump_backtrace+0x0/0x43c [ 218.535562][ T6872] show_stack+0x2c/0x3c [ 218.536273][ T6872] __dump_stack+0x30/0x40 [ 218.536941][ T6872] dump_stack_lvl+0xf8/0x160 [ 218.537659][ T6872] dump_stack+0x1c/0x5c [ 218.538377][ T6872] sysfs_create_dir_ns+0x22c/0x24c [ 218.539235][ T6872] kobject_add_internal+0x590/0xc54 [ 218.540032][ T6872] kobject_init_and_add+0x118/0x17c [ 218.540845][ T6872] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.541599][ T6872] gfs2_fill_super+0xdac/0x19e0 [ 218.542368][ T6872] get_tree_bdev+0x358/0x544 [ 218.543066][ T6872] gfs2_get_tree+0x54/0x1b4 [ 218.543847][ T6872] vfs_get_tree+0x90/0x274 [ 218.544612][ T6872] do_new_mount+0x228/0x810 [ 218.545340][ T6872] path_mount+0x5b4/0x1000 [ 218.546062][ T6872] __arm64_sys_mount+0x514/0x5e4 [ 218.546877][ T6872] invoke_syscall+0x98/0x2b8 [ 218.547556][ T6872] el0_svc_common+0x138/0x258 [ 218.548280][ T6872] do_el0_svc+0x58/0x14c [ 218.548967][ T6872] el0_svc+0x78/0x1e0 [ 218.549597][ T6872] el0t_64_sync_handler+0xcc/0xe4 [ 218.550369][ T6872] el0t_64_sync+0x1a0/0x1a4 [ 218.551371][ T6872] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.553350][ T6872] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.684339][ T6875] loop1: detected capacity change from 0 to 32768 [ 218.741171][ T6875] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.742425][ T6875] CPU: 1 PID: 6875 Comm: syz.1.636 Not tainted syzkaller #0 [ 218.743660][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.745339][ T6875] Call trace: [ 218.745900][ T6875] dump_backtrace+0x0/0x43c [ 218.746617][ T6875] show_stack+0x2c/0x3c [ 218.747323][ T6875] __dump_stack+0x30/0x40 [ 218.748031][ T6875] dump_stack_lvl+0xf8/0x160 [ 218.748753][ T6875] dump_stack+0x1c/0x5c [ 218.749462][ T6875] sysfs_create_dir_ns+0x22c/0x24c [ 218.750295][ T6875] kobject_add_internal+0x590/0xc54 [ 218.751188][ T6875] kobject_init_and_add+0x118/0x17c [ 218.752051][ T6875] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.752875][ T6875] gfs2_fill_super+0xdac/0x19e0 [ 218.753655][ T6875] get_tree_bdev+0x358/0x544 [ 218.754418][ T6875] gfs2_get_tree+0x54/0x1b4 [ 218.755138][ T6875] vfs_get_tree+0x90/0x274 [ 218.755851][ T6875] do_new_mount+0x228/0x810 [ 218.756545][ T6875] path_mount+0x5b4/0x1000 [ 218.757261][ T6875] __arm64_sys_mount+0x514/0x5e4 [ 218.758092][ T6875] invoke_syscall+0x98/0x2b8 [ 218.758841][ T6875] el0_svc_common+0x138/0x258 [ 218.759590][ T6875] do_el0_svc+0x58/0x14c [ 218.760265][ T6875] el0_svc+0x78/0x1e0 [ 218.760866][ T6875] el0t_64_sync_handler+0xcc/0xe4 [ 218.761687][ T6875] el0t_64_sync+0x1a0/0x1a4 [ 218.763645][ T6875] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.765581][ T6875] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.894954][ T6878] loop1: detected capacity change from 0 to 32768 [ 218.944992][ T6878] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.946148][ T6878] CPU: 0 PID: 6878 Comm: syz.1.637 Not tainted syzkaller #0 [ 218.947341][ T6878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.948835][ T6878] Call trace: [ 218.949324][ T6878] dump_backtrace+0x0/0x43c [ 218.949969][ T6878] show_stack+0x2c/0x3c [ 218.950659][ T6878] __dump_stack+0x30/0x40 [ 218.951367][ T6878] dump_stack_lvl+0xf8/0x160 [ 218.952072][ T6878] dump_stack+0x1c/0x5c [ 218.952704][ T6878] sysfs_create_dir_ns+0x22c/0x24c [ 218.953539][ T6878] kobject_add_internal+0x590/0xc54 [ 218.954361][ T6878] kobject_init_and_add+0x118/0x17c [ 218.955239][ T6878] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.955938][ T6878] gfs2_fill_super+0xdac/0x19e0 [ 218.956683][ T6878] get_tree_bdev+0x358/0x544 [ 218.957392][ T6878] gfs2_get_tree+0x54/0x1b4 [ 218.958154][ T6878] vfs_get_tree+0x90/0x274 [ 218.958897][ T6878] do_new_mount+0x228/0x810 [ 218.959648][ T6878] path_mount+0x5b4/0x1000 [ 218.960289][ T6878] __arm64_sys_mount+0x514/0x5e4 [ 218.961124][ T6878] invoke_syscall+0x98/0x2b8 [ 218.961861][ T6878] el0_svc_common+0x138/0x258 [ 218.962582][ T6878] do_el0_svc+0x58/0x14c [ 218.963288][ T6878] el0_svc+0x78/0x1e0 [ 218.963967][ T6878] el0t_64_sync_handler+0xcc/0xe4 [ 218.964775][ T6878] el0t_64_sync+0x1a0/0x1a4 [ 218.967525][ T6878] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.969840][ T6878] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.094389][ T6881] loop1: detected capacity change from 0 to 32768 [ 219.101608][ T6881] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 219.102776][ T6881] CPU: 1 PID: 6881 Comm: syz.1.638 Not tainted syzkaller #0 [ 219.103924][ T6881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.105451][ T6881] Call trace: [ 219.105960][ T6881] dump_backtrace+0x0/0x43c [ 219.106589][ T6881] show_stack+0x2c/0x3c [ 219.107196][ T6881] __dump_stack+0x30/0x40 [ 219.107889][ T6881] dump_stack_lvl+0xf8/0x160 [ 219.108594][ T6881] dump_stack+0x1c/0x5c [ 219.109244][ T6881] sysfs_create_dir_ns+0x22c/0x24c [ 219.109993][ T6881] kobject_add_internal+0x590/0xc54 [ 219.110829][ T6881] kobject_init_and_add+0x118/0x17c [ 219.111633][ T6881] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.112336][ T6881] gfs2_fill_super+0xdac/0x19e0 [ 219.113035][ T6881] get_tree_bdev+0x358/0x544 [ 219.113812][ T6881] gfs2_get_tree+0x54/0x1b4 [ 219.114492][ T6881] vfs_get_tree+0x90/0x274 [ 219.115147][ T6881] do_new_mount+0x228/0x810 [ 219.115833][ T6881] path_mount+0x5b4/0x1000 [ 219.116487][ T6881] __arm64_sys_mount+0x514/0x5e4 [ 219.117225][ T6881] invoke_syscall+0x98/0x2b8 [ 219.117904][ T6881] el0_svc_common+0x138/0x258 [ 219.118645][ T6881] do_el0_svc+0x58/0x14c [ 219.119297][ T6881] el0_svc+0x78/0x1e0 [ 219.119909][ T6881] el0t_64_sync_handler+0xcc/0xe4 [ 219.120671][ T6881] el0t_64_sync+0x1a0/0x1a4 [ 219.121536][ T6881] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.124654][ T6881] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.126612][ T4948] Bluetooth: hci2: command 0x040f tx timeout [ 219.251122][ T6884] loop1: detected capacity change from 0 to 32768 [ 219.257998][ T6884] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 219.259162][ T6884] CPU: 0 PID: 6884 Comm: syz.1.639 Not tainted syzkaller #0 [ 219.260291][ T6884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.261987][ T6884] Call trace: [ 219.262512][ T6884] dump_backtrace+0x0/0x43c [ 219.263102][ T6884] show_stack+0x2c/0x3c [ 219.263673][ T6884] __dump_stack+0x30/0x40 [ 219.264305][ T6884] dump_stack_lvl+0xf8/0x160 [ 219.265049][ T6884] dump_stack+0x1c/0x5c [ 219.265656][ T6884] sysfs_create_dir_ns+0x22c/0x24c [ 219.266397][ T6884] kobject_add_internal+0x590/0xc54 [ 219.267221][ T6884] kobject_init_and_add+0x118/0x17c [ 219.268017][ T6884] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.268733][ T6884] gfs2_fill_super+0xdac/0x19e0 [ 219.269517][ T6884] get_tree_bdev+0x358/0x544 [ 219.270245][ T6884] gfs2_get_tree+0x54/0x1b4 [ 219.270922][ T6884] vfs_get_tree+0x90/0x274 [ 219.271689][ T6884] do_new_mount+0x228/0x810 [ 219.272432][ T6884] path_mount+0x5b4/0x1000 [ 219.273187][ T6884] __arm64_sys_mount+0x514/0x5e4 [ 219.274052][ T6884] invoke_syscall+0x98/0x2b8 [ 219.274768][ T6884] el0_svc_common+0x138/0x258 [ 219.275484][ T6884] do_el0_svc+0x58/0x14c [ 219.276164][ T6884] el0_svc+0x78/0x1e0 [ 219.276854][ T6884] el0t_64_sync_handler+0xcc/0xe4 [ 219.277657][ T6884] el0t_64_sync+0x1a0/0x1a4 [ 219.280522][ T6884] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.282653][ T6884] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.406398][ T6887] loop1: detected capacity change from 0 to 32768 [ 219.489972][ T6887] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 219.491266][ T6887] CPU: 1 PID: 6887 Comm: syz.1.640 Not tainted syzkaller #0 [ 219.492334][ T6887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.493742][ T6887] Call trace: [ 219.494167][ T6887] dump_backtrace+0x0/0x43c [ 219.494822][ T6887] show_stack+0x2c/0x3c [ 219.495448][ T6887] __dump_stack+0x30/0x40 [ 219.496124][ T6887] dump_stack_lvl+0xf8/0x160 [ 219.496897][ T6887] dump_stack+0x1c/0x5c [ 219.497560][ T6887] sysfs_create_dir_ns+0x22c/0x24c [ 219.498333][ T6887] kobject_add_internal+0x590/0xc54 [ 219.499153][ T6887] kobject_init_and_add+0x118/0x17c [ 219.500006][ T6887] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.500687][ T6887] gfs2_fill_super+0xdac/0x19e0 [ 219.501454][ T6887] get_tree_bdev+0x358/0x544 [ 219.502218][ T6887] gfs2_get_tree+0x54/0x1b4 [ 219.502954][ T6887] vfs_get_tree+0x90/0x274 [ 219.503643][ T6887] do_new_mount+0x228/0x810 [ 219.504391][ T6887] path_mount+0x5b4/0x1000 [ 219.505050][ T6887] __arm64_sys_mount+0x514/0x5e4 [ 219.505778][ T6887] invoke_syscall+0x98/0x2b8 [ 219.506502][ T6887] el0_svc_common+0x138/0x258 [ 219.507234][ T6887] do_el0_svc+0x58/0x14c [ 219.507974][ T6887] el0_svc+0x78/0x1e0 [ 219.508610][ T6887] el0t_64_sync_handler+0xcc/0xe4 [ 219.509393][ T6887] el0t_64_sync+0x1a0/0x1a4 [ 219.510239][ T6887] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.512150][ T6887] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:39 executed programs: 627 [ 219.638834][ T6890] loop1: detected capacity change from 0 to 32768 [ 219.645455][ T6890] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 219.646888][ T6890] CPU: 0 PID: 6890 Comm: syz.1.641 Not tainted syzkaller #0 [ 219.647928][ T6890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.649546][ T6890] Call trace: [ 219.650080][ T6890] dump_backtrace+0x0/0x43c [ 219.650824][ T6890] show_stack+0x2c/0x3c [ 219.651500][ T6890] __dump_stack+0x30/0x40 [ 219.652241][ T6890] dump_stack_lvl+0xf8/0x160 [ 219.653036][ T6890] dump_stack+0x1c/0x5c [ 219.653753][ T6890] sysfs_create_dir_ns+0x22c/0x24c [ 219.654630][ T6890] kobject_add_internal+0x590/0xc54 [ 219.655517][ T6890] kobject_init_and_add+0x118/0x17c [ 219.656373][ T6890] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.657132][ T6890] gfs2_fill_super+0xdac/0x19e0 [ 219.657835][ T6890] get_tree_bdev+0x358/0x544 [ 219.658583][ T6890] gfs2_get_tree+0x54/0x1b4 [ 219.659293][ T6890] vfs_get_tree+0x90/0x274 [ 219.659978][ T6890] do_new_mount+0x228/0x810 [ 219.660727][ T6890] path_mount+0x5b4/0x1000 [ 219.661471][ T6890] __arm64_sys_mount+0x514/0x5e4 [ 219.662252][ T6890] invoke_syscall+0x98/0x2b8 [ 219.662913][ T6890] el0_svc_common+0x138/0x258 [ 219.663613][ T6890] do_el0_svc+0x58/0x14c [ 219.664297][ T6890] el0_svc+0x78/0x1e0 [ 219.664980][ T6890] el0t_64_sync_handler+0xcc/0xe4 [ 219.665785][ T6890] el0t_64_sync+0x1a0/0x1a4 [ 219.668392][ T6890] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.670307][ T6890] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.795864][ T6893] loop1: detected capacity change from 0 to 32768 [ 219.836969][ T6893] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 219.838121][ T6893] CPU: 0 PID: 6893 Comm: syz.1.642 Not tainted syzkaller #0 [ 219.839162][ T6893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.840847][ T6893] Call trace: [ 219.841324][ T6893] dump_backtrace+0x0/0x43c [ 219.841938][ T6893] show_stack+0x2c/0x3c [ 219.842589][ T6893] __dump_stack+0x30/0x40 [ 219.843280][ T6893] dump_stack_lvl+0xf8/0x160 [ 219.844005][ T6893] dump_stack+0x1c/0x5c [ 219.844658][ T6893] sysfs_create_dir_ns+0x22c/0x24c [ 219.845483][ T6893] kobject_add_internal+0x590/0xc54 [ 219.846273][ T6893] kobject_init_and_add+0x118/0x17c [ 219.847012][ T6893] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.847712][ T6893] gfs2_fill_super+0xdac/0x19e0 [ 219.848416][ T6893] get_tree_bdev+0x358/0x544 [ 219.849064][ T6893] gfs2_get_tree+0x54/0x1b4 [ 219.849679][ T6893] vfs_get_tree+0x90/0x274 [ 219.850339][ T6893] do_new_mount+0x228/0x810 [ 219.850969][ T6893] path_mount+0x5b4/0x1000 [ 219.851656][ T6893] __arm64_sys_mount+0x514/0x5e4 [ 219.852410][ T6893] invoke_syscall+0x98/0x2b8 [ 219.853117][ T6893] el0_svc_common+0x138/0x258 [ 219.853859][ T6893] do_el0_svc+0x58/0x14c [ 219.854539][ T6893] el0_svc+0x78/0x1e0 [ 219.855142][ T6893] el0t_64_sync_handler+0xcc/0xe4 [ 219.856007][ T6893] el0t_64_sync+0x1a0/0x1a4 [ 219.858138][ T6893] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.860088][ T6893] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.984655][ T6896] loop1: detected capacity change from 0 to 32768 [ 220.026939][ T6896] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 220.028123][ T6896] CPU: 0 PID: 6896 Comm: syz.1.643 Not tainted syzkaller #0 [ 220.029197][ T6896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.030692][ T6896] Call trace: [ 220.031149][ T6896] dump_backtrace+0x0/0x43c [ 220.031813][ T6896] show_stack+0x2c/0x3c [ 220.032433][ T6896] __dump_stack+0x30/0x40 [ 220.033132][ T6896] dump_stack_lvl+0xf8/0x160 [ 220.033906][ T6896] dump_stack+0x1c/0x5c [ 220.034617][ T6896] sysfs_create_dir_ns+0x22c/0x24c [ 220.035449][ T6896] kobject_add_internal+0x590/0xc54 [ 220.036275][ T6896] kobject_init_and_add+0x118/0x17c [ 220.037090][ T6896] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.037884][ T6896] gfs2_fill_super+0xdac/0x19e0 [ 220.038665][ T6896] get_tree_bdev+0x358/0x544 [ 220.039390][ T6896] gfs2_get_tree+0x54/0x1b4 [ 220.040123][ T6896] vfs_get_tree+0x90/0x274 [ 220.040847][ T6896] do_new_mount+0x228/0x810 [ 220.041609][ T6896] path_mount+0x5b4/0x1000 [ 220.042309][ T6896] __arm64_sys_mount+0x514/0x5e4 [ 220.043088][ T6896] invoke_syscall+0x98/0x2b8 [ 220.043801][ T6896] el0_svc_common+0x138/0x258 [ 220.044562][ T6896] do_el0_svc+0x58/0x14c [ 220.045252][ T6896] el0_svc+0x78/0x1e0 [ 220.045845][ T6896] el0t_64_sync_handler+0xcc/0xe4 [ 220.046558][ T6896] el0t_64_sync+0x1a0/0x1a4 [ 220.048640][ T6896] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.050618][ T6896] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 220.177667][ T6899] loop1: detected capacity change from 0 to 32768 [ 220.217002][ T6899] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 220.218245][ T6899] CPU: 1 PID: 6899 Comm: syz.1.644 Not tainted syzkaller #0 [ 220.219427][ T6899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.221116][ T6899] Call trace: [ 220.221560][ T6899] dump_backtrace+0x0/0x43c [ 220.222178][ T6899] show_stack+0x2c/0x3c [ 220.222812][ T6899] __dump_stack+0x30/0x40 [ 220.223456][ T6899] dump_stack_lvl+0xf8/0x160 [ 220.224228][ T6899] dump_stack+0x1c/0x5c [ 220.224884][ T6899] sysfs_create_dir_ns+0x22c/0x24c [ 220.225642][ T6899] kobject_add_internal+0x590/0xc54 [ 220.226515][ T6899] kobject_init_and_add+0x118/0x17c [ 220.227319][ T6899] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.228093][ T6899] gfs2_fill_super+0xdac/0x19e0 [ 220.228845][ T6899] get_tree_bdev+0x358/0x544 [ 220.229588][ T6899] gfs2_get_tree+0x54/0x1b4 [ 220.230305][ T6899] vfs_get_tree+0x90/0x274 [ 220.230933][ T6899] do_new_mount+0x228/0x810 [ 220.231629][ T6899] path_mount+0x5b4/0x1000 [ 220.232312][ T6899] __arm64_sys_mount+0x514/0x5e4 [ 220.233139][ T6899] invoke_syscall+0x98/0x2b8 [ 220.233846][ T6899] el0_svc_common+0x138/0x258 [ 220.234551][ T6899] do_el0_svc+0x58/0x14c [ 220.235233][ T6899] el0_svc+0x78/0x1e0 [ 220.235857][ T6899] el0t_64_sync_handler+0xcc/0xe4 [ 220.236705][ T6899] el0t_64_sync+0x1a0/0x1a4 [ 220.238687][ T6899] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.240791][ T6899] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 220.415513][ T6902] loop1: detected capacity change from 0 to 32768 [ 220.526643][ T6902] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 220.527889][ T6902] CPU: 0 PID: 6902 Comm: syz.1.645 Not tainted syzkaller #0 [ 220.528997][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.530585][ T6902] Call trace: [ 220.531154][ T6902] dump_backtrace+0x0/0x43c [ 220.531880][ T6902] show_stack+0x2c/0x3c [ 220.532535][ T6902] __dump_stack+0x30/0x40 [ 220.533228][ T6902] dump_stack_lvl+0xf8/0x160 [ 220.533910][ T6902] dump_stack+0x1c/0x5c [ 220.534549][ T6902] sysfs_create_dir_ns+0x22c/0x24c [ 220.535370][ T6902] kobject_add_internal+0x590/0xc54 [ 220.536214][ T6902] kobject_init_and_add+0x118/0x17c [ 220.537089][ T6902] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.537931][ T6902] gfs2_fill_super+0xdac/0x19e0 [ 220.538734][ T6902] get_tree_bdev+0x358/0x544 [ 220.539457][ T6902] gfs2_get_tree+0x54/0x1b4 [ 220.540167][ T6902] vfs_get_tree+0x90/0x274 [ 220.540830][ T6902] do_new_mount+0x228/0x810 [ 220.541541][ T6902] path_mount+0x5b4/0x1000 [ 220.542269][ T6902] __arm64_sys_mount+0x514/0x5e4 [ 220.543083][ T6902] invoke_syscall+0x98/0x2b8 [ 220.543787][ T6902] el0_svc_common+0x138/0x258 [ 220.544525][ T6902] do_el0_svc+0x58/0x14c [ 220.545139][ T6902] el0_svc+0x78/0x1e0 [ 220.545760][ T6902] el0t_64_sync_handler+0xcc/0xe4 [ 220.546540][ T6902] el0t_64_sync+0x1a0/0x1a4 [ 220.548188][ T6902] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.550242][ T6902] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 220.775106][ T6905] loop1: detected capacity change from 0 to 32768 [ 220.807020][ T6905] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 220.808156][ T6905] CPU: 0 PID: 6905 Comm: syz.1.646 Not tainted syzkaller #0 [ 220.809346][ T6905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.810942][ T6905] Call trace: [ 220.811520][ T6905] dump_backtrace+0x0/0x43c [ 220.812238][ T6905] show_stack+0x2c/0x3c [ 220.812918][ T6905] __dump_stack+0x30/0x40 [ 220.813574][ T6905] dump_stack_lvl+0xf8/0x160 [ 220.814252][ T6905] dump_stack+0x1c/0x5c [ 220.814916][ T6905] sysfs_create_dir_ns+0x22c/0x24c [ 220.815676][ T6905] kobject_add_internal+0x590/0xc54 [ 220.816477][ T6905] kobject_init_and_add+0x118/0x17c [ 220.817285][ T6905] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.818087][ T6905] gfs2_fill_super+0xdac/0x19e0 [ 220.818789][ T6905] get_tree_bdev+0x358/0x544 [ 220.819509][ T6905] gfs2_get_tree+0x54/0x1b4 [ 220.820238][ T6905] vfs_get_tree+0x90/0x274 [ 220.820947][ T6905] do_new_mount+0x228/0x810 [ 220.821646][ T6905] path_mount+0x5b4/0x1000 [ 220.822336][ T6905] __arm64_sys_mount+0x514/0x5e4 [ 220.823154][ T6905] invoke_syscall+0x98/0x2b8 [ 220.823909][ T6905] el0_svc_common+0x138/0x258 [ 220.824658][ T6905] do_el0_svc+0x58/0x14c [ 220.825326][ T6905] el0_svc+0x78/0x1e0 [ 220.825946][ T6905] el0t_64_sync_handler+0xcc/0xe4 [ 220.826708][ T6905] el0t_64_sync+0x1a0/0x1a4 [ 220.828824][ T6905] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.830778][ T6905] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 220.953873][ T6908] loop1: detected capacity change from 0 to 32768 [ 221.039966][ T6908] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 221.041213][ T6908] CPU: 1 PID: 6908 Comm: syz.1.647 Not tainted syzkaller #0 [ 221.042323][ T6908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.043689][ T6908] Call trace: [ 221.044127][ T6908] dump_backtrace+0x0/0x43c [ 221.044680][ T6908] show_stack+0x2c/0x3c [ 221.045261][ T6908] __dump_stack+0x30/0x40 [ 221.045933][ T6908] dump_stack_lvl+0xf8/0x160 [ 221.046635][ T6908] dump_stack+0x1c/0x5c [ 221.047268][ T6908] sysfs_create_dir_ns+0x22c/0x24c [ 221.048154][ T6908] kobject_add_internal+0x590/0xc54 [ 221.049006][ T6908] kobject_init_and_add+0x118/0x17c [ 221.049778][ T6908] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.050541][ T6908] gfs2_fill_super+0xdac/0x19e0 [ 221.051324][ T6908] get_tree_bdev+0x358/0x544 [ 221.052030][ T6908] gfs2_get_tree+0x54/0x1b4 [ 221.052844][ T6908] vfs_get_tree+0x90/0x274 [ 221.053519][ T6908] do_new_mount+0x228/0x810 [ 221.054248][ T6908] path_mount+0x5b4/0x1000 [ 221.054959][ T6908] __arm64_sys_mount+0x514/0x5e4 [ 221.055759][ T6908] invoke_syscall+0x98/0x2b8 [ 221.056453][ T6908] el0_svc_common+0x138/0x258 [ 221.057237][ T6908] do_el0_svc+0x58/0x14c [ 221.057860][ T6908] el0_svc+0x78/0x1e0 [ 221.058489][ T6908] el0t_64_sync_handler+0xcc/0xe4 [ 221.059270][ T6908] el0t_64_sync+0x1a0/0x1a4 [ 221.060395][ T6908] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.060408][ T6908] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 221.206533][ T4946] Bluetooth: hci2: command 0x0419 tx timeout [ 221.222334][ T6911] loop1: detected capacity change from 0 to 32768 [ 221.232033][ T6911] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 221.233252][ T6911] CPU: 1 PID: 6911 Comm: syz.1.648 Not tainted syzkaller #0 [ 221.234526][ T6911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.236150][ T6911] Call trace: [ 221.236679][ T6911] dump_backtrace+0x0/0x43c [ 221.237363][ T6911] show_stack+0x2c/0x3c [ 221.238004][ T6911] __dump_stack+0x30/0x40 [ 221.238631][ T6911] dump_stack_lvl+0xf8/0x160 [ 221.239300][ T6911] dump_stack+0x1c/0x5c [ 221.239924][ T6911] sysfs_create_dir_ns+0x22c/0x24c [ 221.240825][ T6911] kobject_add_internal+0x590/0xc54 [ 221.241697][ T6911] kobject_init_and_add+0x118/0x17c [ 221.242560][ T6911] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.243342][ T6911] gfs2_fill_super+0xdac/0x19e0 [ 221.244074][ T6911] get_tree_bdev+0x358/0x544 [ 221.244821][ T6911] gfs2_get_tree+0x54/0x1b4 [ 221.245622][ T6911] vfs_get_tree+0x90/0x274 [ 221.246345][ T6911] do_new_mount+0x228/0x810 [ 221.247105][ T6911] path_mount+0x5b4/0x1000 [ 221.247829][ T6911] __arm64_sys_mount+0x514/0x5e4 [ 221.248623][ T6911] invoke_syscall+0x98/0x2b8 [ 221.249372][ T6911] el0_svc_common+0x138/0x258 [ 221.250085][ T6911] do_el0_svc+0x58/0x14c [ 221.250734][ T6911] el0_svc+0x78/0x1e0 [ 221.251372][ T6911] el0t_64_sync_handler+0xcc/0xe4 [ 221.252129][ T6911] el0t_64_sync+0x1a0/0x1a4 [ 221.252965][ T6911] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.255094][ T6911] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 221.483962][ T6914] loop1: detected capacity change from 0 to 32768 [ 221.522669][ T6914] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 221.523913][ T6914] CPU: 1 PID: 6914 Comm: syz.1.649 Not tainted syzkaller #0 [ 221.524971][ T6914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.526533][ T6914] Call trace: [ 221.527066][ T6914] dump_backtrace+0x0/0x43c [ 221.527828][ T6914] show_stack+0x2c/0x3c [ 221.528559][ T6914] __dump_stack+0x30/0x40 [ 221.529225][ T6914] dump_stack_lvl+0xf8/0x160 [ 221.529949][ T6914] dump_stack+0x1c/0x5c [ 221.530621][ T6914] sysfs_create_dir_ns+0x22c/0x24c [ 221.531389][ T6914] kobject_add_internal+0x590/0xc54 [ 221.532259][ T6914] kobject_init_and_add+0x118/0x17c [ 221.533053][ T6914] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.533812][ T6914] gfs2_fill_super+0xdac/0x19e0 [ 221.534534][ T6914] get_tree_bdev+0x358/0x544 [ 221.535304][ T6914] gfs2_get_tree+0x54/0x1b4 [ 221.536062][ T6914] vfs_get_tree+0x90/0x274 [ 221.536806][ T6914] do_new_mount+0x228/0x810 [ 221.537513][ T6914] path_mount+0x5b4/0x1000 [ 221.538178][ T6914] __arm64_sys_mount+0x514/0x5e4 [ 221.538923][ T6914] invoke_syscall+0x98/0x2b8 [ 221.539614][ T6914] el0_svc_common+0x138/0x258 [ 221.540424][ T6914] do_el0_svc+0x58/0x14c [ 221.541105][ T6914] el0_svc+0x78/0x1e0 [ 221.541689][ T6914] el0t_64_sync_handler+0xcc/0xe4 [ 221.542485][ T6914] el0t_64_sync+0x1a0/0x1a4 [ 221.543346][ T6914] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.545326][ T6914] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 221.671724][ T6917] loop1: detected capacity change from 0 to 32768 [ 221.757800][ T6917] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 221.759051][ T6917] CPU: 1 PID: 6917 Comm: syz.1.650 Not tainted syzkaller #0 [ 221.760283][ T6917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.761977][ T6917] Call trace: [ 221.762519][ T6917] dump_backtrace+0x0/0x43c [ 221.763279][ T6917] show_stack+0x2c/0x3c [ 221.763939][ T6917] __dump_stack+0x30/0x40 [ 221.764658][ T6917] dump_stack_lvl+0xf8/0x160 [ 221.765420][ T6917] dump_stack+0x1c/0x5c [ 221.766083][ T6917] sysfs_create_dir_ns+0x22c/0x24c [ 221.766857][ T6917] kobject_add_internal+0x590/0xc54 [ 221.767687][ T6917] kobject_init_and_add+0x118/0x17c [ 221.768457][ T6917] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.769229][ T6917] gfs2_fill_super+0xdac/0x19e0 [ 221.770074][ T6917] get_tree_bdev+0x358/0x544 [ 221.770808][ T6917] gfs2_get_tree+0x54/0x1b4 [ 221.771505][ T6917] vfs_get_tree+0x90/0x274 [ 221.772192][ T6917] do_new_mount+0x228/0x810 [ 221.772895][ T6917] path_mount+0x5b4/0x1000 [ 221.773574][ T6917] __arm64_sys_mount+0x514/0x5e4 [ 221.774361][ T6917] invoke_syscall+0x98/0x2b8 [ 221.775126][ T6917] el0_svc_common+0x138/0x258 [ 221.775874][ T6917] do_el0_svc+0x58/0x14c [ 221.776523][ T6917] el0_svc+0x78/0x1e0 [ 221.777155][ T6917] el0t_64_sync_handler+0xcc/0xe4 [ 221.777908][ T6917] el0t_64_sync+0x1a0/0x1a4 [ 221.779971][ T6917] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.782002][ T6917] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 221.909269][ T6920] loop1: detected capacity change from 0 to 32768 [ 221.915714][ T6920] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 221.917229][ T6920] CPU: 0 PID: 6920 Comm: syz.1.651 Not tainted syzkaller #0 [ 221.918407][ T6920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.920010][ T6920] Call trace: [ 221.920551][ T6920] dump_backtrace+0x0/0x43c [ 221.921248][ T6920] show_stack+0x2c/0x3c [ 221.921916][ T6920] __dump_stack+0x30/0x40 [ 221.922531][ T6920] dump_stack_lvl+0xf8/0x160 [ 221.923261][ T6920] dump_stack+0x1c/0x5c [ 221.923938][ T6920] sysfs_create_dir_ns+0x22c/0x24c [ 221.924726][ T6920] kobject_add_internal+0x590/0xc54 [ 221.925504][ T6920] kobject_init_and_add+0x118/0x17c [ 221.926299][ T6920] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.927087][ T6920] gfs2_fill_super+0xdac/0x19e0 [ 221.927888][ T6920] get_tree_bdev+0x358/0x544 [ 221.928635][ T6920] gfs2_get_tree+0x54/0x1b4 [ 221.929306][ T6920] vfs_get_tree+0x90/0x274 [ 221.929964][ T6920] do_new_mount+0x228/0x810 [ 221.930545][ T6920] path_mount+0x5b4/0x1000 [ 221.931190][ T6920] __arm64_sys_mount+0x514/0x5e4 [ 221.931885][ T6920] invoke_syscall+0x98/0x2b8 [ 221.932526][ T6920] el0_svc_common+0x138/0x258 [ 221.933188][ T6920] do_el0_svc+0x58/0x14c [ 221.933795][ T6920] el0_svc+0x78/0x1e0 [ 221.934384][ T6920] el0t_64_sync_handler+0xcc/0xe4 [ 221.935069][ T6920] el0t_64_sync+0x1a0/0x1a4 [ 221.938310][ T6920] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.940484][ T6920] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 222.065485][ T6923] loop1: detected capacity change from 0 to 32768 [ 222.116923][ T6923] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.118038][ T6923] CPU: 0 PID: 6923 Comm: syz.1.652 Not tainted syzkaller #0 [ 222.119100][ T6923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.120605][ T6923] Call trace: [ 222.121076][ T6923] dump_backtrace+0x0/0x43c [ 222.121690][ T6923] show_stack+0x2c/0x3c [ 222.122254][ T6923] __dump_stack+0x30/0x40 [ 222.122922][ T6923] dump_stack_lvl+0xf8/0x160 [ 222.123699][ T6923] dump_stack+0x1c/0x5c [ 222.124410][ T6923] sysfs_create_dir_ns+0x22c/0x24c [ 222.125226][ T6923] kobject_add_internal+0x590/0xc54 [ 222.125954][ T6923] kobject_init_and_add+0x118/0x17c [ 222.126694][ T6923] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.127468][ T6923] gfs2_fill_super+0xdac/0x19e0 [ 222.128253][ T6923] get_tree_bdev+0x358/0x544 [ 222.128948][ T6923] gfs2_get_tree+0x54/0x1b4 [ 222.129606][ T6923] vfs_get_tree+0x90/0x274 [ 222.130331][ T6923] do_new_mount+0x228/0x810 [ 222.131066][ T6923] path_mount+0x5b4/0x1000 [ 222.131745][ T6923] __arm64_sys_mount+0x514/0x5e4 [ 222.132516][ T6923] invoke_syscall+0x98/0x2b8 [ 222.133196][ T6923] el0_svc_common+0x138/0x258 [ 222.133871][ T6923] do_el0_svc+0x58/0x14c [ 222.134550][ T6923] el0_svc+0x78/0x1e0 [ 222.135227][ T6923] el0t_64_sync_handler+0xcc/0xe4 [ 222.136032][ T6923] el0t_64_sync+0x1a0/0x1a4 [ 222.138572][ T6923] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.140745][ T6923] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 222.265997][ T6926] loop1: detected capacity change from 0 to 32768 [ 222.353985][ T6926] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.355375][ T6926] CPU: 0 PID: 6926 Comm: syz.1.653 Not tainted syzkaller #0 [ 222.356485][ T6926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.358084][ T6926] Call trace: [ 222.358629][ T6926] dump_backtrace+0x0/0x43c [ 222.359358][ T6926] show_stack+0x2c/0x3c [ 222.360033][ T6926] __dump_stack+0x30/0x40 [ 222.360731][ T6926] dump_stack_lvl+0xf8/0x160 [ 222.361441][ T6926] dump_stack+0x1c/0x5c [ 222.362027][ T6926] sysfs_create_dir_ns+0x22c/0x24c [ 222.362852][ T6926] kobject_add_internal+0x590/0xc54 [ 222.363683][ T6926] kobject_init_and_add+0x118/0x17c [ 222.364506][ T6926] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.365263][ T6926] gfs2_fill_super+0xdac/0x19e0 [ 222.365966][ T6926] get_tree_bdev+0x358/0x544 [ 222.366709][ T6926] gfs2_get_tree+0x54/0x1b4 [ 222.367440][ T6926] vfs_get_tree+0x90/0x274 [ 222.368076][ T6926] do_new_mount+0x228/0x810 [ 222.368802][ T6926] path_mount+0x5b4/0x1000 [ 222.369441][ T6926] __arm64_sys_mount+0x514/0x5e4 [ 222.370222][ T6926] invoke_syscall+0x98/0x2b8 [ 222.370860][ T6926] el0_svc_common+0x138/0x258 [ 222.371521][ T6926] do_el0_svc+0x58/0x14c [ 222.372100][ T6926] el0_svc+0x78/0x1e0 [ 222.372623][ T6926] el0t_64_sync_handler+0xcc/0xe4 [ 222.373382][ T6926] el0t_64_sync+0x1a0/0x1a4 [ 222.374886][ T6926] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.376599][ T6926] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 222.522015][ T6929] loop1: detected capacity change from 0 to 32768 [ 222.561152][ T6929] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.562359][ T6929] CPU: 0 PID: 6929 Comm: syz.1.654 Not tainted syzkaller #0 [ 222.563641][ T6929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.565329][ T6929] Call trace: [ 222.565832][ T6929] dump_backtrace+0x0/0x43c [ 222.566582][ T6929] show_stack+0x2c/0x3c [ 222.567258][ T6929] __dump_stack+0x30/0x40 [ 222.567975][ T6929] dump_stack_lvl+0xf8/0x160 [ 222.568708][ T6929] dump_stack+0x1c/0x5c [ 222.569349][ T6929] sysfs_create_dir_ns+0x22c/0x24c [ 222.570107][ T6929] kobject_add_internal+0x590/0xc54 [ 222.570915][ T6929] kobject_init_and_add+0x118/0x17c [ 222.571678][ T6929] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.572383][ T6929] gfs2_fill_super+0xdac/0x19e0 [ 222.573071][ T6929] get_tree_bdev+0x358/0x544 [ 222.573702][ T6929] gfs2_get_tree+0x54/0x1b4 [ 222.574383][ T6929] vfs_get_tree+0x90/0x274 [ 222.575125][ T6929] do_new_mount+0x228/0x810 [ 222.575860][ T6929] path_mount+0x5b4/0x1000 [ 222.576569][ T6929] __arm64_sys_mount+0x514/0x5e4 [ 222.577367][ T6929] invoke_syscall+0x98/0x2b8 [ 222.578148][ T6929] el0_svc_common+0x138/0x258 [ 222.578914][ T6929] do_el0_svc+0x58/0x14c [ 222.579627][ T6929] el0_svc+0x78/0x1e0 [ 222.580275][ T6929] el0t_64_sync_handler+0xcc/0xe4 [ 222.581080][ T6929] el0t_64_sync+0x1a0/0x1a4 [ 222.581992][ T6929] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.584120][ T6929] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 222.710796][ T6932] loop1: detected capacity change from 0 to 32768 [ 222.761308][ T6932] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.762543][ T6932] CPU: 1 PID: 6932 Comm: syz.1.655 Not tainted syzkaller #0 [ 222.763683][ T6932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.765308][ T6932] Call trace: [ 222.765843][ T6932] dump_backtrace+0x0/0x43c [ 222.766540][ T6932] show_stack+0x2c/0x3c [ 222.767218][ T6932] __dump_stack+0x30/0x40 [ 222.767891][ T6932] dump_stack_lvl+0xf8/0x160 [ 222.768629][ T6932] dump_stack+0x1c/0x5c [ 222.769352][ T6932] sysfs_create_dir_ns+0x22c/0x24c [ 222.770139][ T6932] kobject_add_internal+0x590/0xc54 [ 222.770890][ T6932] kobject_init_and_add+0x118/0x17c [ 222.771810][ T6932] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.772618][ T6932] gfs2_fill_super+0xdac/0x19e0 [ 222.773461][ T6932] get_tree_bdev+0x358/0x544 [ 222.774256][ T6932] gfs2_get_tree+0x54/0x1b4 [ 222.774976][ T6932] vfs_get_tree+0x90/0x274 [ 222.775643][ T6932] do_new_mount+0x228/0x810 [ 222.776301][ T6932] path_mount+0x5b4/0x1000 [ 222.776895][ T6932] __arm64_sys_mount+0x514/0x5e4 [ 222.777687][ T6932] invoke_syscall+0x98/0x2b8 [ 222.778366][ T6932] el0_svc_common+0x138/0x258 [ 222.779117][ T6932] do_el0_svc+0x58/0x14c [ 222.779822][ T6932] el0_svc+0x78/0x1e0 [ 222.780430][ T6932] el0t_64_sync_handler+0xcc/0xe4 [ 222.781247][ T6932] el0t_64_sync+0x1a0/0x1a4 [ 222.782676][ T6932] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.784646][ T6932] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 222.911513][ T6935] loop1: detected capacity change from 0 to 32768 [ 222.962911][ T6935] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.964074][ T6935] CPU: 1 PID: 6935 Comm: syz.1.656 Not tainted syzkaller #0 [ 222.965249][ T6935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.966646][ T6935] Call trace: [ 222.967200][ T6935] dump_backtrace+0x0/0x43c [ 222.967920][ T6935] show_stack+0x2c/0x3c [ 222.968629][ T6935] __dump_stack+0x30/0x40 [ 222.969405][ T6935] dump_stack_lvl+0xf8/0x160 [ 222.970225][ T6935] dump_stack+0x1c/0x5c [ 222.970880][ T6935] sysfs_create_dir_ns+0x22c/0x24c [ 222.971695][ T6935] kobject_add_internal+0x590/0xc54 [ 222.972538][ T6935] kobject_init_and_add+0x118/0x17c [ 222.973310][ T6935] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.973993][ T6935] gfs2_fill_super+0xdac/0x19e0 [ 222.974870][ T6935] get_tree_bdev+0x358/0x544 [ 222.975672][ T6935] gfs2_get_tree+0x54/0x1b4 [ 222.976390][ T6935] vfs_get_tree+0x90/0x274 [ 222.977077][ T6935] do_new_mount+0x228/0x810 [ 222.977794][ T6935] path_mount+0x5b4/0x1000 [ 222.978430][ T6935] __arm64_sys_mount+0x514/0x5e4 [ 222.979148][ T6935] invoke_syscall+0x98/0x2b8 [ 222.979810][ T6935] el0_svc_common+0x138/0x258 [ 222.980518][ T6935] do_el0_svc+0x58/0x14c [ 222.981158][ T6935] el0_svc+0x78/0x1e0 [ 222.981767][ T6935] el0t_64_sync_handler+0xcc/0xe4 [ 222.982530][ T6935] el0t_64_sync+0x1a0/0x1a4 [ 222.983539][ T6935] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.985692][ T6935] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.110835][ T6938] loop1: detected capacity change from 0 to 32768 [ 223.200505][ T6938] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.201666][ T6938] CPU: 0 PID: 6938 Comm: syz.1.657 Not tainted syzkaller #0 [ 223.202806][ T6938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.204469][ T6938] Call trace: [ 223.204994][ T6938] dump_backtrace+0x0/0x43c [ 223.205725][ T6938] show_stack+0x2c/0x3c [ 223.206393][ T6938] __dump_stack+0x30/0x40 [ 223.207096][ T6938] dump_stack_lvl+0xf8/0x160 [ 223.207792][ T6938] dump_stack+0x1c/0x5c [ 223.208484][ T6938] sysfs_create_dir_ns+0x22c/0x24c [ 223.209294][ T6938] kobject_add_internal+0x590/0xc54 [ 223.210083][ T6938] kobject_init_and_add+0x118/0x17c [ 223.210874][ T6938] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.211619][ T6938] gfs2_fill_super+0xdac/0x19e0 [ 223.212331][ T6938] get_tree_bdev+0x358/0x544 [ 223.213069][ T6938] gfs2_get_tree+0x54/0x1b4 [ 223.213830][ T6938] vfs_get_tree+0x90/0x274 [ 223.214597][ T6938] do_new_mount+0x228/0x810 [ 223.215329][ T6938] path_mount+0x5b4/0x1000 [ 223.216065][ T6938] __arm64_sys_mount+0x514/0x5e4 [ 223.216862][ T6938] invoke_syscall+0x98/0x2b8 [ 223.217563][ T6938] el0_svc_common+0x138/0x258 [ 223.218284][ T6938] do_el0_svc+0x58/0x14c [ 223.218891][ T6938] el0_svc+0x78/0x1e0 [ 223.219535][ T6938] el0t_64_sync_handler+0xcc/0xe4 [ 223.220357][ T6938] el0t_64_sync+0x1a0/0x1a4 [ 223.223151][ T6938] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.225484][ T6938] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.357724][ T6941] loop1: detected capacity change from 0 to 32768 [ 223.387000][ T6941] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.388114][ T6941] CPU: 1 PID: 6941 Comm: syz.1.658 Not tainted syzkaller #0 [ 223.389287][ T6941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.390882][ T6941] Call trace: [ 223.391345][ T6941] dump_backtrace+0x0/0x43c [ 223.391968][ T6941] show_stack+0x2c/0x3c [ 223.392651][ T6941] __dump_stack+0x30/0x40 [ 223.393366][ T6941] dump_stack_lvl+0xf8/0x160 [ 223.394088][ T6941] dump_stack+0x1c/0x5c [ 223.394770][ T6941] sysfs_create_dir_ns+0x22c/0x24c [ 223.395601][ T6941] kobject_add_internal+0x590/0xc54 [ 223.396458][ T6941] kobject_init_and_add+0x118/0x17c [ 223.397315][ T6941] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.398117][ T6941] gfs2_fill_super+0xdac/0x19e0 [ 223.398924][ T6941] get_tree_bdev+0x358/0x544 [ 223.399656][ T6941] gfs2_get_tree+0x54/0x1b4 [ 223.400380][ T6941] vfs_get_tree+0x90/0x274 [ 223.401052][ T6941] do_new_mount+0x228/0x810 [ 223.401820][ T6941] path_mount+0x5b4/0x1000 [ 223.402467][ T6941] __arm64_sys_mount+0x514/0x5e4 [ 223.403241][ T6941] invoke_syscall+0x98/0x2b8 [ 223.404038][ T6941] el0_svc_common+0x138/0x258 [ 223.404780][ T6941] do_el0_svc+0x58/0x14c [ 223.405503][ T6941] el0_svc+0x78/0x1e0 [ 223.406140][ T6941] el0t_64_sync_handler+0xcc/0xe4 [ 223.406958][ T6941] el0t_64_sync+0x1a0/0x1a4 [ 223.407782][ T6941] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.409790][ T6941] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.545056][ T6944] loop1: detected capacity change from 0 to 32768 [ 223.551638][ T6944] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.552890][ T6944] CPU: 0 PID: 6944 Comm: syz.1.659 Not tainted syzkaller #0 [ 223.554065][ T6944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.555693][ T6944] Call trace: [ 223.556179][ T6944] dump_backtrace+0x0/0x43c [ 223.556870][ T6944] show_stack+0x2c/0x3c [ 223.557519][ T6944] __dump_stack+0x30/0x40 [ 223.558255][ T6944] dump_stack_lvl+0xf8/0x160 [ 223.558909][ T6944] dump_stack+0x1c/0x5c [ 223.559524][ T6944] sysfs_create_dir_ns+0x22c/0x24c [ 223.560313][ T6944] kobject_add_internal+0x590/0xc54 [ 223.561094][ T6944] kobject_init_and_add+0x118/0x17c [ 223.561904][ T6944] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.562609][ T6944] gfs2_fill_super+0xdac/0x19e0 [ 223.563383][ T6944] get_tree_bdev+0x358/0x544 [ 223.564099][ T6944] gfs2_get_tree+0x54/0x1b4 [ 223.564853][ T6944] vfs_get_tree+0x90/0x274 [ 223.565590][ T6944] do_new_mount+0x228/0x810 [ 223.566366][ T6944] path_mount+0x5b4/0x1000 [ 223.567088][ T6944] __arm64_sys_mount+0x514/0x5e4 [ 223.567915][ T6944] invoke_syscall+0x98/0x2b8 [ 223.568656][ T6944] el0_svc_common+0x138/0x258 [ 223.569396][ T6944] do_el0_svc+0x58/0x14c [ 223.570030][ T6944] el0_svc+0x78/0x1e0 [ 223.570695][ T6944] el0t_64_sync_handler+0xcc/0xe4 [ 223.571543][ T6944] el0t_64_sync+0x1a0/0x1a4 [ 223.573676][ T6944] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.575727][ T6944] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.699872][ T6947] loop1: detected capacity change from 0 to 32768 [ 223.747003][ T6947] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.748256][ T6947] CPU: 1 PID: 6947 Comm: syz.1.660 Not tainted syzkaller #0 [ 223.749370][ T6947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.750870][ T6947] Call trace: [ 223.751357][ T6947] dump_backtrace+0x0/0x43c [ 223.752029][ T6947] show_stack+0x2c/0x3c [ 223.752622][ T6947] __dump_stack+0x30/0x40 [ 223.753285][ T6947] dump_stack_lvl+0xf8/0x160 [ 223.753971][ T6947] dump_stack+0x1c/0x5c [ 223.754559][ T6947] sysfs_create_dir_ns+0x22c/0x24c [ 223.755260][ T6947] kobject_add_internal+0x590/0xc54 [ 223.755964][ T6947] kobject_init_and_add+0x118/0x17c [ 223.756785][ T6947] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.757529][ T6947] gfs2_fill_super+0xdac/0x19e0 [ 223.758316][ T6947] get_tree_bdev+0x358/0x544 [ 223.759039][ T6947] gfs2_get_tree+0x54/0x1b4 [ 223.759780][ T6947] vfs_get_tree+0x90/0x274 [ 223.760507][ T6947] do_new_mount+0x228/0x810 [ 223.761240][ T6947] path_mount+0x5b4/0x1000 [ 223.761939][ T6947] __arm64_sys_mount+0x514/0x5e4 [ 223.762709][ T6947] invoke_syscall+0x98/0x2b8 [ 223.763451][ T6947] el0_svc_common+0x138/0x258 [ 223.764202][ T6947] do_el0_svc+0x58/0x14c [ 223.764816][ T6947] el0_svc+0x78/0x1e0 [ 223.765403][ T6947] el0t_64_sync_handler+0xcc/0xe4 [ 223.766192][ T6947] el0t_64_sync+0x1a0/0x1a4 [ 223.767903][ T6947] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.770071][ T6947] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.898079][ T6950] loop1: detected capacity change from 0 to 32768 [ 223.946974][ T6950] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.948177][ T6950] CPU: 1 PID: 6950 Comm: syz.1.661 Not tainted syzkaller #0 [ 223.949330][ T6950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.950972][ T6950] Call trace: [ 223.951509][ T6950] dump_backtrace+0x0/0x43c [ 223.952211][ T6950] show_stack+0x2c/0x3c [ 223.952813][ T6950] __dump_stack+0x30/0x40 [ 223.953493][ T6950] dump_stack_lvl+0xf8/0x160 [ 223.954194][ T6950] dump_stack+0x1c/0x5c [ 223.954811][ T6950] sysfs_create_dir_ns+0x22c/0x24c [ 223.955612][ T6950] kobject_add_internal+0x590/0xc54 [ 223.956446][ T6950] kobject_init_and_add+0x118/0x17c [ 223.957321][ T6950] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.958081][ T6950] gfs2_fill_super+0xdac/0x19e0 [ 223.958826][ T6950] get_tree_bdev+0x358/0x544 [ 223.959533][ T6950] gfs2_get_tree+0x54/0x1b4 [ 223.960300][ T6950] vfs_get_tree+0x90/0x274 [ 223.961022][ T6950] do_new_mount+0x228/0x810 [ 223.961729][ T6950] path_mount+0x5b4/0x1000 [ 223.962422][ T6950] __arm64_sys_mount+0x514/0x5e4 [ 223.963235][ T6950] invoke_syscall+0x98/0x2b8 [ 223.963952][ T6950] el0_svc_common+0x138/0x258 [ 223.964695][ T6950] do_el0_svc+0x58/0x14c [ 223.965397][ T6950] el0_svc+0x78/0x1e0 [ 223.966024][ T6950] el0t_64_sync_handler+0xcc/0xe4 [ 223.966808][ T6950] el0t_64_sync+0x1a0/0x1a4 [ 223.969190][ T6950] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.971062][ T6950] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.099491][ T6953] loop1: detected capacity change from 0 to 32768 [ 224.105899][ T6953] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.107159][ T6953] CPU: 0 PID: 6953 Comm: syz.1.662 Not tainted syzkaller #0 [ 224.108187][ T6953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.109709][ T6953] Call trace: [ 224.110218][ T6953] dump_backtrace+0x0/0x43c [ 224.110915][ T6953] show_stack+0x2c/0x3c [ 224.111600][ T6953] __dump_stack+0x30/0x40 [ 224.112282][ T6953] dump_stack_lvl+0xf8/0x160 [ 224.112991][ T6953] dump_stack+0x1c/0x5c [ 224.113652][ T6953] sysfs_create_dir_ns+0x22c/0x24c [ 224.114509][ T6953] kobject_add_internal+0x590/0xc54 [ 224.115264][ T6953] kobject_init_and_add+0x118/0x17c [ 224.116013][ T6953] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.116713][ T6953] gfs2_fill_super+0xdac/0x19e0 [ 224.117393][ T6953] get_tree_bdev+0x358/0x544 [ 224.118016][ T6953] gfs2_get_tree+0x54/0x1b4 [ 224.118702][ T6953] vfs_get_tree+0x90/0x274 [ 224.119365][ T6953] do_new_mount+0x228/0x810 [ 224.120027][ T6953] path_mount+0x5b4/0x1000 [ 224.120687][ T6953] __arm64_sys_mount+0x514/0x5e4 [ 224.121415][ T6953] invoke_syscall+0x98/0x2b8 [ 224.122109][ T6953] el0_svc_common+0x138/0x258 [ 224.122844][ T6953] do_el0_svc+0x58/0x14c [ 224.123525][ T6953] el0_svc+0x78/0x1e0 [ 224.124093][ T6953] el0t_64_sync_handler+0xcc/0xe4 [ 224.124878][ T6953] el0t_64_sync+0x1a0/0x1a4 [ 224.125710][ T6953] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.127636][ T6953] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.260781][ T6956] loop1: detected capacity change from 0 to 32768 [ 224.264413][ T6956] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.265594][ T6956] CPU: 0 PID: 6956 Comm: syz.1.663 Not tainted syzkaller #0 [ 224.266717][ T6956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.268326][ T6956] Call trace: [ 224.268841][ T6956] dump_backtrace+0x0/0x43c [ 224.269560][ T6956] show_stack+0x2c/0x3c [ 224.270227][ T6956] __dump_stack+0x30/0x40 [ 224.270917][ T6956] dump_stack_lvl+0xf8/0x160 [ 224.271630][ T6956] dump_stack+0x1c/0x5c [ 224.272248][ T6956] sysfs_create_dir_ns+0x22c/0x24c [ 224.273043][ T6956] kobject_add_internal+0x590/0xc54 [ 224.273850][ T6956] kobject_init_and_add+0x118/0x17c [ 224.274712][ T6956] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.275519][ T6956] gfs2_fill_super+0xdac/0x19e0 [ 224.276287][ T6956] get_tree_bdev+0x358/0x544 [ 224.277012][ T6956] gfs2_get_tree+0x54/0x1b4 [ 224.277719][ T6956] vfs_get_tree+0x90/0x274 [ 224.278421][ T6956] do_new_mount+0x228/0x810 [ 224.279137][ T6956] path_mount+0x5b4/0x1000 [ 224.279855][ T6956] __arm64_sys_mount+0x514/0x5e4 [ 224.280649][ T6956] invoke_syscall+0x98/0x2b8 [ 224.281401][ T6956] el0_svc_common+0x138/0x258 [ 224.282160][ T6956] do_el0_svc+0x58/0x14c [ 224.282829][ T6956] el0_svc+0x78/0x1e0 [ 224.283525][ T6956] el0t_64_sync_handler+0xcc/0xe4 [ 224.284323][ T6956] el0t_64_sync+0x1a0/0x1a4 [ 224.285981][ T6956] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.288162][ T6956] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.417005][ T6959] loop1: detected capacity change from 0 to 32768 [ 224.423708][ T6959] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.424975][ T6959] CPU: 1 PID: 6959 Comm: syz.1.664 Not tainted syzkaller #0 [ 224.426079][ T6959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.427772][ T6959] Call trace: [ 224.428331][ T6959] dump_backtrace+0x0/0x43c [ 224.429085][ T6959] show_stack+0x2c/0x3c [ 224.429784][ T6959] __dump_stack+0x30/0x40 [ 224.430524][ T6959] dump_stack_lvl+0xf8/0x160 [ 224.431293][ T6959] dump_stack+0x1c/0x5c [ 224.431986][ T6959] sysfs_create_dir_ns+0x22c/0x24c [ 224.432787][ T6959] kobject_add_internal+0x590/0xc54 [ 224.433674][ T6959] kobject_init_and_add+0x118/0x17c [ 224.434543][ T6959] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.435327][ T6959] gfs2_fill_super+0xdac/0x19e0 [ 224.436085][ T6959] get_tree_bdev+0x358/0x544 [ 224.436861][ T6959] gfs2_get_tree+0x54/0x1b4 [ 224.437570][ T6959] vfs_get_tree+0x90/0x274 [ 224.438280][ T6959] do_new_mount+0x228/0x810 [ 224.438992][ T6959] path_mount+0x5b4/0x1000 [ 224.439714][ T6959] __arm64_sys_mount+0x514/0x5e4 [ 224.440540][ T6959] invoke_syscall+0x98/0x2b8 [ 224.441282][ T6959] el0_svc_common+0x138/0x258 [ 224.442070][ T6959] do_el0_svc+0x58/0x14c [ 224.442779][ T6959] el0_svc+0x78/0x1e0 [ 224.443457][ T6959] el0t_64_sync_handler+0xcc/0xe4 [ 224.444290][ T6959] el0t_64_sync+0x1a0/0x1a4 [ 224.446129][ T6959] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.448031][ T6959] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.571687][ T6962] loop1: detected capacity change from 0 to 32768 [ 224.661097][ T6962] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.662405][ T6962] CPU: 1 PID: 6962 Comm: syz.1.665 Not tainted syzkaller #0 [ 224.663490][ T6962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.665132][ T6962] Call trace: [ 224.665628][ T6962] dump_backtrace+0x0/0x43c [ 224.666309][ T6962] show_stack+0x2c/0x3c [ 224.666968][ T6962] __dump_stack+0x30/0x40 [ 224.667640][ T6962] dump_stack_lvl+0xf8/0x160 [ 224.668276][ T6962] dump_stack+0x1c/0x5c [ 224.668851][ T6962] sysfs_create_dir_ns+0x22c/0x24c [ 224.669589][ T6962] kobject_add_internal+0x590/0xc54 [ 224.670357][ T6962] kobject_init_and_add+0x118/0x17c [ 224.671114][ T6962] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.671785][ T6962] gfs2_fill_super+0xdac/0x19e0 [ 224.672501][ T6962] get_tree_bdev+0x358/0x544 [ 224.673168][ T6962] gfs2_get_tree+0x54/0x1b4 [ 224.673815][ T6962] vfs_get_tree+0x90/0x274 [ 224.674441][ T6962] do_new_mount+0x228/0x810 [ 224.675121][ T6962] path_mount+0x5b4/0x1000 [ 224.675792][ T6962] __arm64_sys_mount+0x514/0x5e4 [ 224.676578][ T6962] invoke_syscall+0x98/0x2b8 [ 224.677306][ T6962] el0_svc_common+0x138/0x258 [ 224.677944][ T6962] do_el0_svc+0x58/0x14c [ 224.678569][ T6962] el0_svc+0x78/0x1e0 [ 224.679199][ T6962] el0t_64_sync_handler+0xcc/0xe4 [ 224.679949][ T6962] el0t_64_sync+0x1a0/0x1a4 [ 224.682091][ T6962] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.684476][ T6962] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:44 executed programs: 652 [ 224.809071][ T6965] loop1: detected capacity change from 0 to 32768 [ 224.857511][ T6965] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.858822][ T6965] CPU: 0 PID: 6965 Comm: syz.1.666 Not tainted syzkaller #0 [ 224.859909][ T6965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.861450][ T6965] Call trace: [ 224.862008][ T6965] dump_backtrace+0x0/0x43c [ 224.862690][ T6965] show_stack+0x2c/0x3c [ 224.863347][ T6965] __dump_stack+0x30/0x40 [ 224.863984][ T6965] dump_stack_lvl+0xf8/0x160 [ 224.864712][ T6965] dump_stack+0x1c/0x5c [ 224.865305][ T6965] sysfs_create_dir_ns+0x22c/0x24c [ 224.866155][ T6965] kobject_add_internal+0x590/0xc54 [ 224.866949][ T6965] kobject_init_and_add+0x118/0x17c [ 224.867778][ T6965] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.868512][ T6965] gfs2_fill_super+0xdac/0x19e0 [ 224.869328][ T6965] get_tree_bdev+0x358/0x544 [ 224.870037][ T6965] gfs2_get_tree+0x54/0x1b4 [ 224.870773][ T6965] vfs_get_tree+0x90/0x274 [ 224.871464][ T6965] do_new_mount+0x228/0x810 [ 224.872172][ T6965] path_mount+0x5b4/0x1000 [ 224.872869][ T6965] __arm64_sys_mount+0x514/0x5e4 [ 224.873650][ T6965] invoke_syscall+0x98/0x2b8 [ 224.874385][ T6965] el0_svc_common+0x138/0x258 [ 224.875159][ T6965] do_el0_svc+0x58/0x14c [ 224.875869][ T6965] el0_svc+0x78/0x1e0 [ 224.876492][ T6965] el0t_64_sync_handler+0xcc/0xe4 [ 224.877279][ T6965] el0t_64_sync+0x1a0/0x1a4 [ 224.878157][ T6965] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.880220][ T6965] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.007447][ T6968] loop1: detected capacity change from 0 to 32768 [ 225.046962][ T6968] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.048222][ T6968] CPU: 0 PID: 6968 Comm: syz.1.667 Not tainted syzkaller #0 [ 225.049375][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.051054][ T6968] Call trace: [ 225.051533][ T6968] dump_backtrace+0x0/0x43c [ 225.052289][ T6968] show_stack+0x2c/0x3c [ 225.052974][ T6968] __dump_stack+0x30/0x40 [ 225.053622][ T6968] dump_stack_lvl+0xf8/0x160 [ 225.054305][ T6968] dump_stack+0x1c/0x5c [ 225.054948][ T6968] sysfs_create_dir_ns+0x22c/0x24c [ 225.055735][ T6968] kobject_add_internal+0x590/0xc54 [ 225.056542][ T6968] kobject_init_and_add+0x118/0x17c [ 225.057382][ T6968] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.058190][ T6968] gfs2_fill_super+0xdac/0x19e0 [ 225.058985][ T6968] get_tree_bdev+0x358/0x544 [ 225.059734][ T6968] gfs2_get_tree+0x54/0x1b4 [ 225.060462][ T6968] vfs_get_tree+0x90/0x274 [ 225.061167][ T6968] do_new_mount+0x228/0x810 [ 225.061853][ T6968] path_mount+0x5b4/0x1000 [ 225.062542][ T6968] __arm64_sys_mount+0x514/0x5e4 [ 225.063301][ T6968] invoke_syscall+0x98/0x2b8 [ 225.064078][ T6968] el0_svc_common+0x138/0x258 [ 225.064834][ T6968] do_el0_svc+0x58/0x14c [ 225.065524][ T6968] el0_svc+0x78/0x1e0 [ 225.066175][ T6968] el0t_64_sync_handler+0xcc/0xe4 [ 225.066927][ T6968] el0t_64_sync+0x1a0/0x1a4 [ 225.067748][ T6968] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.069596][ T6968] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.233934][ T6971] loop1: detected capacity change from 0 to 32768 [ 225.280795][ T6971] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.282102][ T6971] CPU: 1 PID: 6971 Comm: syz.1.668 Not tainted syzkaller #0 [ 225.283321][ T6971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.284944][ T6971] Call trace: [ 225.285451][ T6971] dump_backtrace+0x0/0x43c [ 225.286156][ T6971] show_stack+0x2c/0x3c [ 225.286834][ T6971] __dump_stack+0x30/0x40 [ 225.287471][ T6971] dump_stack_lvl+0xf8/0x160 [ 225.288124][ T6971] dump_stack+0x1c/0x5c [ 225.288794][ T6971] sysfs_create_dir_ns+0x22c/0x24c [ 225.289570][ T6971] kobject_add_internal+0x590/0xc54 [ 225.290362][ T6971] kobject_init_and_add+0x118/0x17c [ 225.291215][ T6971] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.291968][ T6971] gfs2_fill_super+0xdac/0x19e0 [ 225.292716][ T6971] get_tree_bdev+0x358/0x544 [ 225.293455][ T6971] gfs2_get_tree+0x54/0x1b4 [ 225.294198][ T6971] vfs_get_tree+0x90/0x274 [ 225.294901][ T6971] do_new_mount+0x228/0x810 [ 225.295656][ T6971] path_mount+0x5b4/0x1000 [ 225.296356][ T6971] __arm64_sys_mount+0x514/0x5e4 [ 225.297145][ T6971] invoke_syscall+0x98/0x2b8 [ 225.297832][ T6971] el0_svc_common+0x138/0x258 [ 225.298530][ T6971] do_el0_svc+0x58/0x14c [ 225.299202][ T6971] el0_svc+0x78/0x1e0 [ 225.299821][ T6971] el0t_64_sync_handler+0xcc/0xe4 [ 225.300613][ T6971] el0t_64_sync+0x1a0/0x1a4 [ 225.302218][ T6971] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.304256][ T6971] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.428614][ T6974] loop1: detected capacity change from 0 to 32768 [ 225.521625][ T6974] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.522786][ T6974] CPU: 1 PID: 6974 Comm: syz.1.669 Not tainted syzkaller #0 [ 225.523920][ T6974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.525424][ T6974] Call trace: [ 225.525900][ T6974] dump_backtrace+0x0/0x43c [ 225.526610][ T6974] show_stack+0x2c/0x3c [ 225.527291][ T6974] __dump_stack+0x30/0x40 [ 225.527979][ T6974] dump_stack_lvl+0xf8/0x160 [ 225.528758][ T6974] dump_stack+0x1c/0x5c [ 225.529515][ T6974] sysfs_create_dir_ns+0x22c/0x24c [ 225.530314][ T6974] kobject_add_internal+0x590/0xc54 [ 225.531169][ T6974] kobject_init_and_add+0x118/0x17c [ 225.531962][ T6974] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.532718][ T6974] gfs2_fill_super+0xdac/0x19e0 [ 225.533542][ T6974] get_tree_bdev+0x358/0x544 [ 225.534263][ T6974] gfs2_get_tree+0x54/0x1b4 [ 225.534985][ T6974] vfs_get_tree+0x90/0x274 [ 225.535721][ T6974] do_new_mount+0x228/0x810 [ 225.536443][ T6974] path_mount+0x5b4/0x1000 [ 225.537149][ T6974] __arm64_sys_mount+0x514/0x5e4 [ 225.537906][ T6974] invoke_syscall+0x98/0x2b8 [ 225.538575][ T6974] el0_svc_common+0x138/0x258 [ 225.539317][ T6974] do_el0_svc+0x58/0x14c [ 225.539932][ T6974] el0_svc+0x78/0x1e0 [ 225.540549][ T6974] el0t_64_sync_handler+0xcc/0xe4 [ 225.541278][ T6974] el0t_64_sync+0x1a0/0x1a4 [ 225.542580][ T6974] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.544434][ T6974] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.671661][ T6977] loop1: detected capacity change from 0 to 32768 [ 225.678891][ T6977] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.680134][ T6977] CPU: 0 PID: 6977 Comm: syz.1.670 Not tainted syzkaller #0 [ 225.681246][ T6977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.682753][ T6977] Call trace: [ 225.683189][ T6977] dump_backtrace+0x0/0x43c [ 225.683829][ T6977] show_stack+0x2c/0x3c [ 225.684463][ T6977] __dump_stack+0x30/0x40 [ 225.685095][ T6977] dump_stack_lvl+0xf8/0x160 [ 225.685768][ T6977] dump_stack+0x1c/0x5c [ 225.686425][ T6977] sysfs_create_dir_ns+0x22c/0x24c [ 225.687238][ T6977] kobject_add_internal+0x590/0xc54 [ 225.688056][ T6977] kobject_init_and_add+0x118/0x17c [ 225.688847][ T6977] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.689558][ T6977] gfs2_fill_super+0xdac/0x19e0 [ 225.690360][ T6977] get_tree_bdev+0x358/0x544 [ 225.691112][ T6977] gfs2_get_tree+0x54/0x1b4 [ 225.691781][ T6977] vfs_get_tree+0x90/0x274 [ 225.692449][ T6977] do_new_mount+0x228/0x810 [ 225.693126][ T6977] path_mount+0x5b4/0x1000 [ 225.693755][ T6977] __arm64_sys_mount+0x514/0x5e4 [ 225.694457][ T6977] invoke_syscall+0x98/0x2b8 [ 225.695097][ T6977] el0_svc_common+0x138/0x258 [ 225.695815][ T6977] do_el0_svc+0x58/0x14c [ 225.696483][ T6977] el0_svc+0x78/0x1e0 [ 225.697119][ T6977] el0t_64_sync_handler+0xcc/0xe4 [ 225.697924][ T6977] el0t_64_sync+0x1a0/0x1a4 [ 225.699881][ T6977] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.701983][ T6977] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.862011][ T6980] loop1: detected capacity change from 0 to 32768 [ 225.926942][ T6980] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.928154][ T6980] CPU: 0 PID: 6980 Comm: syz.1.671 Not tainted syzkaller #0 [ 225.929312][ T6980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.930851][ T6980] Call trace: [ 225.931363][ T6980] dump_backtrace+0x0/0x43c [ 225.932020][ T6980] show_stack+0x2c/0x3c [ 225.932589][ T6980] __dump_stack+0x30/0x40 [ 225.933255][ T6980] dump_stack_lvl+0xf8/0x160 [ 225.933952][ T6980] dump_stack+0x1c/0x5c [ 225.934570][ T6980] sysfs_create_dir_ns+0x22c/0x24c [ 225.935338][ T6980] kobject_add_internal+0x590/0xc54 [ 225.936065][ T6980] kobject_init_and_add+0x118/0x17c [ 225.936874][ T6980] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.937555][ T6980] gfs2_fill_super+0xdac/0x19e0 [ 225.938363][ T6980] get_tree_bdev+0x358/0x544 [ 225.939075][ T6980] gfs2_get_tree+0x54/0x1b4 [ 225.939814][ T6980] vfs_get_tree+0x90/0x274 [ 225.940512][ T6980] do_new_mount+0x228/0x810 [ 225.941253][ T6980] path_mount+0x5b4/0x1000 [ 225.941935][ T6980] __arm64_sys_mount+0x514/0x5e4 [ 225.942814][ T6980] invoke_syscall+0x98/0x2b8 [ 225.943577][ T6980] el0_svc_common+0x138/0x258 [ 225.944332][ T6980] do_el0_svc+0x58/0x14c [ 225.945013][ T6980] el0_svc+0x78/0x1e0 [ 225.945645][ T6980] el0t_64_sync_handler+0xcc/0xe4 [ 225.946449][ T6980] el0t_64_sync+0x1a0/0x1a4 [ 225.948601][ T6980] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.950526][ T6980] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.075188][ T6983] loop1: detected capacity change from 0 to 32768 [ 226.106975][ T6983] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.108159][ T6983] CPU: 0 PID: 6983 Comm: syz.1.672 Not tainted syzkaller #0 [ 226.109223][ T6983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.110834][ T6983] Call trace: [ 226.111404][ T6983] dump_backtrace+0x0/0x43c [ 226.112113][ T6983] show_stack+0x2c/0x3c [ 226.112727][ T6983] __dump_stack+0x30/0x40 [ 226.113376][ T6983] dump_stack_lvl+0xf8/0x160 [ 226.114068][ T6983] dump_stack+0x1c/0x5c [ 226.114735][ T6983] sysfs_create_dir_ns+0x22c/0x24c [ 226.115483][ T6983] kobject_add_internal+0x590/0xc54 [ 226.116266][ T6983] kobject_init_and_add+0x118/0x17c [ 226.117134][ T6983] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.117863][ T6983] gfs2_fill_super+0xdac/0x19e0 [ 226.118584][ T6983] get_tree_bdev+0x358/0x544 [ 226.119357][ T6983] gfs2_get_tree+0x54/0x1b4 [ 226.120113][ T6983] vfs_get_tree+0x90/0x274 [ 226.120825][ T6983] do_new_mount+0x228/0x810 [ 226.121524][ T6983] path_mount+0x5b4/0x1000 [ 226.122214][ T6983] __arm64_sys_mount+0x514/0x5e4 [ 226.122992][ T6983] invoke_syscall+0x98/0x2b8 [ 226.123760][ T6983] el0_svc_common+0x138/0x258 [ 226.124510][ T6983] do_el0_svc+0x58/0x14c [ 226.125170][ T6983] el0_svc+0x78/0x1e0 [ 226.125806][ T6983] el0t_64_sync_handler+0xcc/0xe4 [ 226.126574][ T6983] el0t_64_sync+0x1a0/0x1a4 [ 226.128638][ T6983] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.130704][ T6983] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.255532][ T6986] loop1: detected capacity change from 0 to 32768 [ 226.261919][ T6986] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.263094][ T6986] CPU: 0 PID: 6986 Comm: syz.1.673 Not tainted syzkaller #0 [ 226.264197][ T6986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.265816][ T6986] Call trace: [ 226.266275][ T6986] dump_backtrace+0x0/0x43c [ 226.266930][ T6986] show_stack+0x2c/0x3c [ 226.267505][ T6986] __dump_stack+0x30/0x40 [ 226.268163][ T6986] dump_stack_lvl+0xf8/0x160 [ 226.268864][ T6986] dump_stack+0x1c/0x5c [ 226.269445][ T6986] sysfs_create_dir_ns+0x22c/0x24c [ 226.270270][ T6986] kobject_add_internal+0x590/0xc54 [ 226.271039][ T6986] kobject_init_and_add+0x118/0x17c [ 226.271863][ T6986] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.272585][ T6986] gfs2_fill_super+0xdac/0x19e0 [ 226.273376][ T6986] get_tree_bdev+0x358/0x544 [ 226.274113][ T6986] gfs2_get_tree+0x54/0x1b4 [ 226.274812][ T6986] vfs_get_tree+0x90/0x274 [ 226.275531][ T6986] do_new_mount+0x228/0x810 [ 226.276259][ T6986] path_mount+0x5b4/0x1000 [ 226.276988][ T6986] __arm64_sys_mount+0x514/0x5e4 [ 226.277780][ T6986] invoke_syscall+0x98/0x2b8 [ 226.278480][ T6986] el0_svc_common+0x138/0x258 [ 226.279196][ T6986] do_el0_svc+0x58/0x14c [ 226.279857][ T6986] el0_svc+0x78/0x1e0 [ 226.280435][ T6986] el0t_64_sync_handler+0xcc/0xe4 [ 226.281165][ T6986] el0t_64_sync+0x1a0/0x1a4 [ 226.283237][ T6986] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.285354][ T6986] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.410583][ T6989] loop1: detected capacity change from 0 to 32768 [ 226.457059][ T6989] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.458204][ T6989] CPU: 0 PID: 6989 Comm: syz.1.674 Not tainted syzkaller #0 [ 226.459276][ T6989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.460627][ T6989] Call trace: [ 226.461073][ T6989] dump_backtrace+0x0/0x43c [ 226.461689][ T6989] show_stack+0x2c/0x3c [ 226.462331][ T6989] __dump_stack+0x30/0x40 [ 226.463002][ T6989] dump_stack_lvl+0xf8/0x160 [ 226.463703][ T6989] dump_stack+0x1c/0x5c [ 226.464358][ T6989] sysfs_create_dir_ns+0x22c/0x24c [ 226.465178][ T6989] kobject_add_internal+0x590/0xc54 [ 226.466001][ T6989] kobject_init_and_add+0x118/0x17c [ 226.466862][ T6989] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.467624][ T6989] gfs2_fill_super+0xdac/0x19e0 [ 226.468419][ T6989] get_tree_bdev+0x358/0x544 [ 226.469140][ T6989] gfs2_get_tree+0x54/0x1b4 [ 226.469894][ T6989] vfs_get_tree+0x90/0x274 [ 226.470510][ T6989] do_new_mount+0x228/0x810 [ 226.471201][ T6989] path_mount+0x5b4/0x1000 [ 226.471902][ T6989] __arm64_sys_mount+0x514/0x5e4 [ 226.472624][ T6989] invoke_syscall+0x98/0x2b8 [ 226.473317][ T6989] el0_svc_common+0x138/0x258 [ 226.474047][ T6989] do_el0_svc+0x58/0x14c [ 226.474743][ T6989] el0_svc+0x78/0x1e0 [ 226.475340][ T6989] el0t_64_sync_handler+0xcc/0xe4 [ 226.476101][ T6989] el0t_64_sync+0x1a0/0x1a4 [ 226.478674][ T6989] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.480900][ T6989] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.607178][ T6992] loop1: detected capacity change from 0 to 32768 [ 226.647002][ T6992] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.648223][ T6992] CPU: 0 PID: 6992 Comm: syz.1.675 Not tainted syzkaller #0 [ 226.649393][ T6992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.650983][ T6992] Call trace: [ 226.651466][ T6992] dump_backtrace+0x0/0x43c [ 226.652085][ T6992] show_stack+0x2c/0x3c [ 226.652676][ T6992] __dump_stack+0x30/0x40 [ 226.653336][ T6992] dump_stack_lvl+0xf8/0x160 [ 226.654052][ T6992] dump_stack+0x1c/0x5c [ 226.654710][ T6992] sysfs_create_dir_ns+0x22c/0x24c [ 226.655558][ T6992] kobject_add_internal+0x590/0xc54 [ 226.656365][ T6992] kobject_init_and_add+0x118/0x17c [ 226.657139][ T6992] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.657881][ T6992] gfs2_fill_super+0xdac/0x19e0 [ 226.658592][ T6992] get_tree_bdev+0x358/0x544 [ 226.659346][ T6992] gfs2_get_tree+0x54/0x1b4 [ 226.660087][ T6992] vfs_get_tree+0x90/0x274 [ 226.660752][ T6992] do_new_mount+0x228/0x810 [ 226.661500][ T6992] path_mount+0x5b4/0x1000 [ 226.662155][ T6992] __arm64_sys_mount+0x514/0x5e4 [ 226.662953][ T6992] invoke_syscall+0x98/0x2b8 [ 226.663699][ T6992] el0_svc_common+0x138/0x258 [ 226.664510][ T6992] do_el0_svc+0x58/0x14c [ 226.665255][ T6992] el0_svc+0x78/0x1e0 [ 226.665930][ T6992] el0t_64_sync_handler+0xcc/0xe4 [ 226.666775][ T6992] el0t_64_sync+0x1a0/0x1a4 [ 226.668821][ T6992] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.670818][ T6992] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.793883][ T6995] loop1: detected capacity change from 0 to 32768 [ 226.837008][ T6995] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.838163][ T6995] CPU: 0 PID: 6995 Comm: syz.1.676 Not tainted syzkaller #0 [ 226.839358][ T6995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.840940][ T6995] Call trace: [ 226.841475][ T6995] dump_backtrace+0x0/0x43c [ 226.842262][ T6995] show_stack+0x2c/0x3c [ 226.842942][ T6995] __dump_stack+0x30/0x40 [ 226.843684][ T6995] dump_stack_lvl+0xf8/0x160 [ 226.844441][ T6995] dump_stack+0x1c/0x5c [ 226.845148][ T6995] sysfs_create_dir_ns+0x22c/0x24c [ 226.846001][ T6995] kobject_add_internal+0x590/0xc54 [ 226.846769][ T6995] kobject_init_and_add+0x118/0x17c [ 226.847588][ T6995] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.848366][ T6995] gfs2_fill_super+0xdac/0x19e0 [ 226.849142][ T6995] get_tree_bdev+0x358/0x544 [ 226.849855][ T6995] gfs2_get_tree+0x54/0x1b4 [ 226.850550][ T6995] vfs_get_tree+0x90/0x274 [ 226.851178][ T6995] do_new_mount+0x228/0x810 [ 226.851902][ T6995] path_mount+0x5b4/0x1000 [ 226.852569][ T6995] __arm64_sys_mount+0x514/0x5e4 [ 226.853295][ T6995] invoke_syscall+0x98/0x2b8 [ 226.853974][ T6995] el0_svc_common+0x138/0x258 [ 226.854668][ T6995] do_el0_svc+0x58/0x14c [ 226.855299][ T6995] el0_svc+0x78/0x1e0 [ 226.855945][ T6995] el0t_64_sync_handler+0xcc/0xe4 [ 226.856766][ T6995] el0t_64_sync+0x1a0/0x1a4 [ 226.858863][ T6995] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.860772][ T6995] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.985630][ T6998] loop1: detected capacity change from 0 to 32768 [ 227.070142][ T6998] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.071413][ T6998] CPU: 0 PID: 6998 Comm: syz.1.677 Not tainted syzkaller #0 [ 227.072567][ T6998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.074180][ T6998] Call trace: [ 227.074690][ T6998] dump_backtrace+0x0/0x43c [ 227.075390][ T6998] show_stack+0x2c/0x3c [ 227.076005][ T6998] __dump_stack+0x30/0x40 [ 227.076666][ T6998] dump_stack_lvl+0xf8/0x160 [ 227.077406][ T6998] dump_stack+0x1c/0x5c [ 227.078043][ T6998] sysfs_create_dir_ns+0x22c/0x24c [ 227.078847][ T6998] kobject_add_internal+0x590/0xc54 [ 227.079659][ T6998] kobject_init_and_add+0x118/0x17c [ 227.080483][ T6998] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.081174][ T6998] gfs2_fill_super+0xdac/0x19e0 [ 227.081909][ T6998] get_tree_bdev+0x358/0x544 [ 227.082614][ T6998] gfs2_get_tree+0x54/0x1b4 [ 227.083321][ T6998] vfs_get_tree+0x90/0x274 [ 227.084021][ T6998] do_new_mount+0x228/0x810 [ 227.084691][ T6998] path_mount+0x5b4/0x1000 [ 227.085406][ T6998] __arm64_sys_mount+0x514/0x5e4 [ 227.086178][ T6998] invoke_syscall+0x98/0x2b8 [ 227.086950][ T6998] el0_svc_common+0x138/0x258 [ 227.087704][ T6998] do_el0_svc+0x58/0x14c [ 227.088442][ T6998] el0_svc+0x78/0x1e0 [ 227.089025][ T6998] el0t_64_sync_handler+0xcc/0xe4 [ 227.089806][ T6998] el0t_64_sync+0x1a0/0x1a4 [ 227.091796][ T6998] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.093965][ T6998] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.228426][ T7001] loop1: detected capacity change from 0 to 32768 [ 227.232010][ T7001] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.233247][ T7001] CPU: 0 PID: 7001 Comm: syz.1.678 Not tainted syzkaller #0 [ 227.234434][ T7001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.235930][ T7001] Call trace: [ 227.236472][ T7001] dump_backtrace+0x0/0x43c [ 227.237211][ T7001] show_stack+0x2c/0x3c [ 227.237856][ T7001] __dump_stack+0x30/0x40 [ 227.238553][ T7001] dump_stack_lvl+0xf8/0x160 [ 227.239300][ T7001] dump_stack+0x1c/0x5c [ 227.240010][ T7001] sysfs_create_dir_ns+0x22c/0x24c [ 227.240838][ T7001] kobject_add_internal+0x590/0xc54 [ 227.241674][ T7001] kobject_init_and_add+0x118/0x17c [ 227.242515][ T7001] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.243314][ T7001] gfs2_fill_super+0xdac/0x19e0 [ 227.244155][ T7001] get_tree_bdev+0x358/0x544 [ 227.244886][ T7001] gfs2_get_tree+0x54/0x1b4 [ 227.245622][ T7001] vfs_get_tree+0x90/0x274 [ 227.246317][ T7001] do_new_mount+0x228/0x810 [ 227.247042][ T7001] path_mount+0x5b4/0x1000 [ 227.247796][ T7001] __arm64_sys_mount+0x514/0x5e4 [ 227.248532][ T7001] invoke_syscall+0x98/0x2b8 [ 227.249284][ T7001] el0_svc_common+0x138/0x258 [ 227.250042][ T7001] do_el0_svc+0x58/0x14c [ 227.250706][ T7001] el0_svc+0x78/0x1e0 [ 227.251326][ T7001] el0t_64_sync_handler+0xcc/0xe4 [ 227.252149][ T7001] el0t_64_sync+0x1a0/0x1a4 [ 227.254186][ T7001] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.256293][ T7001] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.391576][ T7004] loop1: detected capacity change from 0 to 32768 [ 227.397885][ T7004] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.399070][ T7004] CPU: 1 PID: 7004 Comm: syz.1.679 Not tainted syzkaller #0 [ 227.400175][ T7004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.401613][ T7004] Call trace: [ 227.402113][ T7004] dump_backtrace+0x0/0x43c [ 227.402813][ T7004] show_stack+0x2c/0x3c [ 227.403496][ T7004] __dump_stack+0x30/0x40 [ 227.404103][ T7004] dump_stack_lvl+0xf8/0x160 [ 227.404766][ T7004] dump_stack+0x1c/0x5c [ 227.405411][ T7004] sysfs_create_dir_ns+0x22c/0x24c [ 227.406207][ T7004] kobject_add_internal+0x590/0xc54 [ 227.406986][ T7004] kobject_init_and_add+0x118/0x17c [ 227.407763][ T7004] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.408461][ T7004] gfs2_fill_super+0xdac/0x19e0 [ 227.409192][ T7004] get_tree_bdev+0x358/0x544 [ 227.409966][ T7004] gfs2_get_tree+0x54/0x1b4 [ 227.410656][ T7004] vfs_get_tree+0x90/0x274 [ 227.411417][ T7004] do_new_mount+0x228/0x810 [ 227.412079][ T7004] path_mount+0x5b4/0x1000 [ 227.412690][ T7004] __arm64_sys_mount+0x514/0x5e4 [ 227.413432][ T7004] invoke_syscall+0x98/0x2b8 [ 227.414195][ T7004] el0_svc_common+0x138/0x258 [ 227.414931][ T7004] do_el0_svc+0x58/0x14c [ 227.415626][ T7004] el0_svc+0x78/0x1e0 [ 227.416254][ T7004] el0t_64_sync_handler+0xcc/0xe4 [ 227.417014][ T7004] el0t_64_sync+0x1a0/0x1a4 [ 227.419313][ T7004] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.421303][ T7004] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.546552][ T7007] loop1: detected capacity change from 0 to 32768 [ 227.639972][ T7007] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.641100][ T7007] CPU: 0 PID: 7007 Comm: syz.1.680 Not tainted syzkaller #0 [ 227.642307][ T7007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.643850][ T7007] Call trace: [ 227.644336][ T7007] dump_backtrace+0x0/0x43c [ 227.644992][ T7007] show_stack+0x2c/0x3c [ 227.645607][ T7007] __dump_stack+0x30/0x40 [ 227.646225][ T7007] dump_stack_lvl+0xf8/0x160 [ 227.646853][ T7007] dump_stack+0x1c/0x5c [ 227.647432][ T7007] sysfs_create_dir_ns+0x22c/0x24c [ 227.648232][ T7007] kobject_add_internal+0x590/0xc54 [ 227.649095][ T7007] kobject_init_and_add+0x118/0x17c [ 227.649984][ T7007] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.650836][ T7007] gfs2_fill_super+0xdac/0x19e0 [ 227.651639][ T7007] get_tree_bdev+0x358/0x544 [ 227.652396][ T7007] gfs2_get_tree+0x54/0x1b4 [ 227.653107][ T7007] vfs_get_tree+0x90/0x274 [ 227.653758][ T7007] do_new_mount+0x228/0x810 [ 227.654463][ T7007] path_mount+0x5b4/0x1000 [ 227.655128][ T7007] __arm64_sys_mount+0x514/0x5e4 [ 227.655919][ T7007] invoke_syscall+0x98/0x2b8 [ 227.656612][ T7007] el0_svc_common+0x138/0x258 [ 227.657384][ T7007] do_el0_svc+0x58/0x14c [ 227.658071][ T7007] el0_svc+0x78/0x1e0 [ 227.658704][ T7007] el0t_64_sync_handler+0xcc/0xe4 [ 227.659506][ T7007] el0t_64_sync+0x1a0/0x1a4 [ 227.662277][ T7007] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.664370][ T7007] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.837281][ T7010] loop1: detected capacity change from 0 to 32768 [ 227.907285][ T7010] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.911903][ T7010] CPU: 0 PID: 7010 Comm: syz.1.681 Not tainted syzkaller #0 [ 227.913077][ T7010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.914696][ T7010] Call trace: [ 227.915158][ T7010] dump_backtrace+0x0/0x43c [ 227.915892][ T7010] show_stack+0x2c/0x3c [ 227.916586][ T7010] __dump_stack+0x30/0x40 [ 227.917330][ T7010] dump_stack_lvl+0xf8/0x160 [ 227.918040][ T7010] dump_stack+0x1c/0x5c [ 227.918638][ T7010] sysfs_create_dir_ns+0x22c/0x24c [ 227.919416][ T7010] kobject_add_internal+0x590/0xc54 [ 227.920189][ T7010] kobject_init_and_add+0x118/0x17c [ 227.920920][ T7010] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.921596][ T7010] gfs2_fill_super+0xdac/0x19e0 [ 227.922302][ T7010] get_tree_bdev+0x358/0x544 [ 227.922938][ T7010] gfs2_get_tree+0x54/0x1b4 [ 227.923626][ T7010] vfs_get_tree+0x90/0x274 [ 227.924274][ T7010] do_new_mount+0x228/0x810 [ 227.924919][ T7010] path_mount+0x5b4/0x1000 [ 227.925561][ T7010] __arm64_sys_mount+0x514/0x5e4 [ 227.926249][ T7010] invoke_syscall+0x98/0x2b8 [ 227.926935][ T7010] el0_svc_common+0x138/0x258 [ 227.927622][ T7010] do_el0_svc+0x58/0x14c [ 227.928373][ T7010] el0_svc+0x78/0x1e0 [ 227.928954][ T7010] el0t_64_sync_handler+0xcc/0xe4 [ 227.929727][ T7010] el0t_64_sync+0x1a0/0x1a4 [ 227.931229][ T7010] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.933229][ T7010] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 228.059537][ T7013] loop1: detected capacity change from 0 to 32768 [ 228.146657][ T7013] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 228.147865][ T7013] CPU: 0 PID: 7013 Comm: syz.1.682 Not tainted syzkaller #0 [ 228.149014][ T7013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.150609][ T7013] Call trace: [ 228.151113][ T7013] dump_backtrace+0x0/0x43c [ 228.151805][ T7013] show_stack+0x2c/0x3c [ 228.152394][ T7013] __dump_stack+0x30/0x40 [ 228.153023][ T7013] dump_stack_lvl+0xf8/0x160 [ 228.153711][ T7013] dump_stack+0x1c/0x5c [ 228.154341][ T7013] sysfs_create_dir_ns+0x22c/0x24c [ 228.155151][ T7013] kobject_add_internal+0x590/0xc54 [ 228.155946][ T7013] kobject_init_and_add+0x118/0x17c [ 228.156755][ T7013] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.157551][ T7013] gfs2_fill_super+0xdac/0x19e0 [ 228.158334][ T7013] get_tree_bdev+0x358/0x544 [ 228.159025][ T7013] gfs2_get_tree+0x54/0x1b4 [ 228.159791][ T7013] vfs_get_tree+0x90/0x274 [ 228.160539][ T7013] do_new_mount+0x228/0x810 [ 228.161280][ T7013] path_mount+0x5b4/0x1000 [ 228.162022][ T7013] __arm64_sys_mount+0x514/0x5e4 [ 228.162808][ T7013] invoke_syscall+0x98/0x2b8 [ 228.163538][ T7013] el0_svc_common+0x138/0x258 [ 228.164244][ T7013] do_el0_svc+0x58/0x14c [ 228.164807][ T7013] el0_svc+0x78/0x1e0 [ 228.165503][ T7013] el0t_64_sync_handler+0xcc/0xe4 [ 228.166306][ T7013] el0t_64_sync+0x1a0/0x1a4 [ 228.168501][ T7013] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.170438][ T7013] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 228.345181][ T7016] loop1: detected capacity change from 0 to 32768 [ 228.391048][ T7016] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 228.392286][ T7016] CPU: 0 PID: 7016 Comm: syz.1.683 Not tainted syzkaller #0 [ 228.393484][ T7016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.395035][ T7016] Call trace: [ 228.395571][ T7016] dump_backtrace+0x0/0x43c [ 228.396284][ T7016] show_stack+0x2c/0x3c [ 228.396967][ T7016] __dump_stack+0x30/0x40 [ 228.397685][ T7016] dump_stack_lvl+0xf8/0x160 [ 228.398496][ T7016] dump_stack+0x1c/0x5c [ 228.399175][ T7016] sysfs_create_dir_ns+0x22c/0x24c [ 228.400070][ T7016] kobject_add_internal+0x590/0xc54 [ 228.400977][ T7016] kobject_init_and_add+0x118/0x17c [ 228.401850][ T7016] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.402616][ T7016] gfs2_fill_super+0xdac/0x19e0 [ 228.403441][ T7016] get_tree_bdev+0x358/0x544 [ 228.404223][ T7016] gfs2_get_tree+0x54/0x1b4 [ 228.404972][ T7016] vfs_get_tree+0x90/0x274 [ 228.405683][ T7016] do_new_mount+0x228/0x810 [ 228.406386][ T7016] path_mount+0x5b4/0x1000 [ 228.407058][ T7016] __arm64_sys_mount+0x514/0x5e4 [ 228.407816][ T7016] invoke_syscall+0x98/0x2b8 [ 228.408530][ T7016] el0_svc_common+0x138/0x258 [ 228.409318][ T7016] do_el0_svc+0x58/0x14c [ 228.409992][ T7016] el0_svc+0x78/0x1e0 [ 228.410645][ T7016] el0t_64_sync_handler+0xcc/0xe4 [ 228.411518][ T7016] el0t_64_sync+0x1a0/0x1a4 [ 228.412476][ T7016] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.414285][ T7016] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 228.540187][ T7019] loop1: detected capacity change from 0 to 32768 [ 228.587589][ T7019] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 228.588811][ T7019] CPU: 0 PID: 7019 Comm: syz.1.684 Not tainted syzkaller #0 [ 228.589933][ T7019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.591559][ T7019] Call trace: [ 228.592083][ T7019] dump_backtrace+0x0/0x43c [ 228.592836][ T7019] show_stack+0x2c/0x3c [ 228.593457][ T7019] __dump_stack+0x30/0x40 [ 228.594081][ T7019] dump_stack_lvl+0xf8/0x160 [ 228.594764][ T7019] dump_stack+0x1c/0x5c [ 228.595420][ T7019] sysfs_create_dir_ns+0x22c/0x24c [ 228.596212][ T7019] kobject_add_internal+0x590/0xc54 [ 228.596979][ T7019] kobject_init_and_add+0x118/0x17c [ 228.597731][ T7019] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.598450][ T7019] gfs2_fill_super+0xdac/0x19e0 [ 228.599154][ T7019] get_tree_bdev+0x358/0x544 [ 228.599811][ T7019] gfs2_get_tree+0x54/0x1b4 [ 228.600529][ T7019] vfs_get_tree+0x90/0x274 [ 228.601278][ T7019] do_new_mount+0x228/0x810 [ 228.602004][ T7019] path_mount+0x5b4/0x1000 [ 228.602725][ T7019] __arm64_sys_mount+0x514/0x5e4 [ 228.603558][ T7019] invoke_syscall+0x98/0x2b8 [ 228.604282][ T7019] el0_svc_common+0x138/0x258 [ 228.605018][ T7019] do_el0_svc+0x58/0x14c [ 228.605684][ T7019] el0_svc+0x78/0x1e0 [ 228.606326][ T7019] el0t_64_sync_handler+0xcc/0xe4 [ 228.607135][ T7019] el0t_64_sync+0x1a0/0x1a4 [ 228.609503][ T7019] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.611711][ T7019] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 228.737904][ T7022] loop1: detected capacity change from 0 to 32768 [ 228.820917][ T7022] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 228.822159][ T7022] CPU: 1 PID: 7022 Comm: syz.1.685 Not tainted syzkaller #0 [ 228.823302][ T7022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.824945][ T7022] Call trace: [ 228.825474][ T7022] dump_backtrace+0x0/0x43c [ 228.826174][ T7022] show_stack+0x2c/0x3c [ 228.826856][ T7022] __dump_stack+0x30/0x40 [ 228.827636][ T7022] dump_stack_lvl+0xf8/0x160 [ 228.828412][ T7022] dump_stack+0x1c/0x5c [ 228.829111][ T7022] sysfs_create_dir_ns+0x22c/0x24c [ 228.829966][ T7022] kobject_add_internal+0x590/0xc54 [ 228.830739][ T7022] kobject_init_and_add+0x118/0x17c [ 228.831540][ T7022] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.832317][ T7022] gfs2_fill_super+0xdac/0x19e0 [ 228.833053][ T7022] get_tree_bdev+0x358/0x544 [ 228.833778][ T7022] gfs2_get_tree+0x54/0x1b4 [ 228.834489][ T7022] vfs_get_tree+0x90/0x274 [ 228.835213][ T7022] do_new_mount+0x228/0x810 [ 228.835936][ T7022] path_mount+0x5b4/0x1000 [ 228.836567][ T7022] __arm64_sys_mount+0x514/0x5e4 [ 228.837368][ T7022] invoke_syscall+0x98/0x2b8 [ 228.838081][ T7022] el0_svc_common+0x138/0x258 [ 228.838779][ T7022] do_el0_svc+0x58/0x14c [ 228.839406][ T7022] el0_svc+0x78/0x1e0 [ 228.840044][ T7022] el0t_64_sync_handler+0xcc/0xe4 [ 228.840827][ T7022] el0t_64_sync+0x1a0/0x1a4 [ 228.841665][ T7022] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.843732][ T7022] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 228.974663][ T7025] loop1: detected capacity change from 0 to 32768 [ 229.007020][ T7025] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.008189][ T7025] CPU: 0 PID: 7025 Comm: syz.1.686 Not tainted syzkaller #0 [ 229.009351][ T7025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.010875][ T7025] Call trace: [ 229.011334][ T7025] dump_backtrace+0x0/0x43c [ 229.011964][ T7025] show_stack+0x2c/0x3c [ 229.012546][ T7025] __dump_stack+0x30/0x40 [ 229.013174][ T7025] dump_stack_lvl+0xf8/0x160 [ 229.013803][ T7025] dump_stack+0x1c/0x5c [ 229.014407][ T7025] sysfs_create_dir_ns+0x22c/0x24c [ 229.015149][ T7025] kobject_add_internal+0x590/0xc54 [ 229.015950][ T7025] kobject_init_and_add+0x118/0x17c [ 229.016780][ T7025] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.017522][ T7025] gfs2_fill_super+0xdac/0x19e0 [ 229.018368][ T7025] get_tree_bdev+0x358/0x544 [ 229.019141][ T7025] gfs2_get_tree+0x54/0x1b4 [ 229.019943][ T7025] vfs_get_tree+0x90/0x274 [ 229.020620][ T7025] do_new_mount+0x228/0x810 [ 229.021357][ T7025] path_mount+0x5b4/0x1000 [ 229.022095][ T7025] __arm64_sys_mount+0x514/0x5e4 [ 229.022857][ T7025] invoke_syscall+0x98/0x2b8 [ 229.023625][ T7025] el0_svc_common+0x138/0x258 [ 229.024367][ T7025] do_el0_svc+0x58/0x14c [ 229.025058][ T7025] el0_svc+0x78/0x1e0 [ 229.025651][ T7025] el0t_64_sync_handler+0xcc/0xe4 [ 229.026475][ T7025] el0t_64_sync+0x1a0/0x1a4 [ 229.028646][ T7025] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.030530][ T7025] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.155497][ T7028] loop1: detected capacity change from 0 to 32768 [ 229.206897][ T7028] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.208045][ T7028] CPU: 0 PID: 7028 Comm: syz.1.687 Not tainted syzkaller #0 [ 229.209160][ T7028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.210732][ T7028] Call trace: [ 229.211238][ T7028] dump_backtrace+0x0/0x43c [ 229.211934][ T7028] show_stack+0x2c/0x3c [ 229.212567][ T7028] __dump_stack+0x30/0x40 [ 229.213229][ T7028] dump_stack_lvl+0xf8/0x160 [ 229.213905][ T7028] dump_stack+0x1c/0x5c [ 229.214588][ T7028] sysfs_create_dir_ns+0x22c/0x24c [ 229.215396][ T7028] kobject_add_internal+0x590/0xc54 [ 229.216235][ T7028] kobject_init_and_add+0x118/0x17c [ 229.217073][ T7028] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.217773][ T7028] gfs2_fill_super+0xdac/0x19e0 [ 229.218429][ T7028] get_tree_bdev+0x358/0x544 [ 229.219099][ T7028] gfs2_get_tree+0x54/0x1b4 [ 229.219777][ T7028] vfs_get_tree+0x90/0x274 [ 229.220424][ T7028] do_new_mount+0x228/0x810 [ 229.221103][ T7028] path_mount+0x5b4/0x1000 [ 229.221726][ T7028] __arm64_sys_mount+0x514/0x5e4 [ 229.222493][ T7028] invoke_syscall+0x98/0x2b8 [ 229.223145][ T7028] el0_svc_common+0x138/0x258 [ 229.223817][ T7028] do_el0_svc+0x58/0x14c [ 229.224428][ T7028] el0_svc+0x78/0x1e0 [ 229.225026][ T7028] el0t_64_sync_handler+0xcc/0xe4 [ 229.225785][ T7028] el0t_64_sync+0x1a0/0x1a4 [ 229.228352][ T7028] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.230493][ T7028] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.354925][ T7031] loop1: detected capacity change from 0 to 32768 [ 229.361597][ T7031] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.362741][ T7031] CPU: 0 PID: 7031 Comm: syz.1.688 Not tainted syzkaller #0 [ 229.363865][ T7031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.365295][ T7031] Call trace: [ 229.365820][ T7031] dump_backtrace+0x0/0x43c [ 229.366493][ T7031] show_stack+0x2c/0x3c [ 229.367115][ T7031] __dump_stack+0x30/0x40 [ 229.367777][ T7031] dump_stack_lvl+0xf8/0x160 [ 229.368453][ T7031] dump_stack+0x1c/0x5c [ 229.369060][ T7031] sysfs_create_dir_ns+0x22c/0x24c [ 229.369901][ T7031] kobject_add_internal+0x590/0xc54 [ 229.370733][ T7031] kobject_init_and_add+0x118/0x17c [ 229.371565][ T7031] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.372279][ T7031] gfs2_fill_super+0xdac/0x19e0 [ 229.373054][ T7031] get_tree_bdev+0x358/0x544 [ 229.373763][ T7031] gfs2_get_tree+0x54/0x1b4 [ 229.374459][ T7031] vfs_get_tree+0x90/0x274 [ 229.375097][ T7031] do_new_mount+0x228/0x810 [ 229.375850][ T7031] path_mount+0x5b4/0x1000 [ 229.376598][ T7031] __arm64_sys_mount+0x514/0x5e4 [ 229.377399][ T7031] invoke_syscall+0x98/0x2b8 [ 229.378150][ T7031] el0_svc_common+0x138/0x258 [ 229.378880][ T7031] do_el0_svc+0x58/0x14c [ 229.379499][ T7031] el0_svc+0x78/0x1e0 [ 229.380126][ T7031] el0t_64_sync_handler+0xcc/0xe4 [ 229.380930][ T7031] el0t_64_sync+0x1a0/0x1a4 [ 229.382993][ T7031] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.386166][ T7031] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.510402][ T7034] loop1: detected capacity change from 0 to 32768 [ 229.556993][ T7034] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.558200][ T7034] CPU: 1 PID: 7034 Comm: syz.1.689 Not tainted syzkaller #0 [ 229.559354][ T7034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.560921][ T7034] Call trace: [ 229.561446][ T7034] dump_backtrace+0x0/0x43c [ 229.562155][ T7034] show_stack+0x2c/0x3c [ 229.562816][ T7034] __dump_stack+0x30/0x40 [ 229.563548][ T7034] dump_stack_lvl+0xf8/0x160 [ 229.564302][ T7034] dump_stack+0x1c/0x5c [ 229.564960][ T7034] sysfs_create_dir_ns+0x22c/0x24c [ 229.565847][ T7034] kobject_add_internal+0x590/0xc54 [ 229.566737][ T7034] kobject_init_and_add+0x118/0x17c [ 229.567617][ T7034] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.568366][ T7034] gfs2_fill_super+0xdac/0x19e0 [ 229.569119][ T7034] get_tree_bdev+0x358/0x544 [ 229.569865][ T7034] gfs2_get_tree+0x54/0x1b4 [ 229.570601][ T7034] vfs_get_tree+0x90/0x274 [ 229.571294][ T7034] do_new_mount+0x228/0x810 [ 229.571976][ T7034] path_mount+0x5b4/0x1000 [ 229.572651][ T7034] __arm64_sys_mount+0x514/0x5e4 [ 229.573447][ T7034] invoke_syscall+0x98/0x2b8 [ 229.574168][ T7034] el0_svc_common+0x138/0x258 [ 229.574944][ T7034] do_el0_svc+0x58/0x14c [ 229.575661][ T7034] el0_svc+0x78/0x1e0 [ 229.576314][ T7034] el0t_64_sync_handler+0xcc/0xe4 [ 229.577122][ T7034] el0t_64_sync+0x1a0/0x1a4 [ 229.579141][ T7034] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.581112][ T7034] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.707904][ T7037] loop1: detected capacity change from 0 to 32768 [ 229.746999][ T7037] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.748201][ T7037] CPU: 0 PID: 7037 Comm: syz.1.690 Not tainted syzkaller #0 [ 229.749391][ T7037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.750923][ T7037] Call trace: [ 229.751417][ T7037] dump_backtrace+0x0/0x43c [ 229.752067][ T7037] show_stack+0x2c/0x3c [ 229.752731][ T7037] __dump_stack+0x30/0x40 [ 229.753381][ T7037] dump_stack_lvl+0xf8/0x160 [ 229.754060][ T7037] dump_stack+0x1c/0x5c [ 229.754668][ T7037] sysfs_create_dir_ns+0x22c/0x24c [ 229.755463][ T7037] kobject_add_internal+0x590/0xc54 [ 229.756269][ T7037] kobject_init_and_add+0x118/0x17c [ 229.757038][ T7037] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.757797][ T7037] gfs2_fill_super+0xdac/0x19e0 [ 229.758510][ T7037] get_tree_bdev+0x358/0x544 [ 229.759275][ T7037] gfs2_get_tree+0x54/0x1b4 [ 229.759960][ T7037] vfs_get_tree+0x90/0x274 [ 229.760653][ T7037] do_new_mount+0x228/0x810 [ 229.761351][ T7037] path_mount+0x5b4/0x1000 [ 229.762006][ T7037] __arm64_sys_mount+0x514/0x5e4 [ 229.762776][ T7037] invoke_syscall+0x98/0x2b8 [ 229.763490][ T7037] el0_svc_common+0x138/0x258 [ 229.764188][ T7037] do_el0_svc+0x58/0x14c [ 229.764892][ T7037] el0_svc+0x78/0x1e0 [ 229.765512][ T7037] el0t_64_sync_handler+0xcc/0xe4 [ 229.766307][ T7037] el0t_64_sync+0x1a0/0x1a4 [ 229.768914][ T7037] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.770977][ T7037] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:49 executed programs: 677 [ 229.900465][ T7040] loop1: detected capacity change from 0 to 32768 [ 229.907394][ T7040] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.908510][ T7040] CPU: 1 PID: 7040 Comm: syz.1.691 Not tainted syzkaller #0 [ 229.909608][ T7040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.911166][ T7040] Call trace: [ 229.911665][ T7040] dump_backtrace+0x0/0x43c [ 229.912377][ T7040] show_stack+0x2c/0x3c [ 229.913061][ T7040] __dump_stack+0x30/0x40 [ 229.913801][ T7040] dump_stack_lvl+0xf8/0x160 [ 229.914542][ T7040] dump_stack+0x1c/0x5c [ 229.915241][ T7040] sysfs_create_dir_ns+0x22c/0x24c [ 229.916031][ T7040] kobject_add_internal+0x590/0xc54 [ 229.916753][ T7040] kobject_init_and_add+0x118/0x17c [ 229.917564][ T7040] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.918362][ T7040] gfs2_fill_super+0xdac/0x19e0 [ 229.919175][ T7040] get_tree_bdev+0x358/0x544 [ 229.919929][ T7040] gfs2_get_tree+0x54/0x1b4 [ 229.920650][ T7040] vfs_get_tree+0x90/0x274 [ 229.921372][ T7040] do_new_mount+0x228/0x810 [ 229.922032][ T7040] path_mount+0x5b4/0x1000 [ 229.922757][ T7040] __arm64_sys_mount+0x514/0x5e4 [ 229.923540][ T7040] invoke_syscall+0x98/0x2b8 [ 229.924240][ T7040] el0_svc_common+0x138/0x258 [ 229.924911][ T7040] do_el0_svc+0x58/0x14c [ 229.925601][ T7040] el0_svc+0x78/0x1e0 [ 229.926172][ T7040] el0t_64_sync_handler+0xcc/0xe4 [ 229.926923][ T7040] el0t_64_sync+0x1a0/0x1a4 [ 229.929084][ T7040] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.931174][ T7040] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.061102][ T7043] loop1: detected capacity change from 0 to 32768 [ 230.146683][ T7043] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.147850][ T7043] CPU: 0 PID: 7043 Comm: syz.1.692 Not tainted syzkaller #0 [ 230.149060][ T7043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.150673][ T7043] Call trace: [ 230.151181][ T7043] dump_backtrace+0x0/0x43c [ 230.151913][ T7043] show_stack+0x2c/0x3c [ 230.152564][ T7043] __dump_stack+0x30/0x40 [ 230.153257][ T7043] dump_stack_lvl+0xf8/0x160 [ 230.154043][ T7043] dump_stack+0x1c/0x5c [ 230.154740][ T7043] sysfs_create_dir_ns+0x22c/0x24c [ 230.155566][ T7043] kobject_add_internal+0x590/0xc54 [ 230.156345][ T7043] kobject_init_and_add+0x118/0x17c [ 230.157114][ T7043] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.157796][ T7043] gfs2_fill_super+0xdac/0x19e0 [ 230.158564][ T7043] get_tree_bdev+0x358/0x544 [ 230.159317][ T7043] gfs2_get_tree+0x54/0x1b4 [ 230.160031][ T7043] vfs_get_tree+0x90/0x274 [ 230.160726][ T7043] do_new_mount+0x228/0x810 [ 230.161418][ T7043] path_mount+0x5b4/0x1000 [ 230.162075][ T7043] __arm64_sys_mount+0x514/0x5e4 [ 230.162798][ T7043] invoke_syscall+0x98/0x2b8 [ 230.163431][ T7043] el0_svc_common+0x138/0x258 [ 230.164139][ T7043] do_el0_svc+0x58/0x14c [ 230.164773][ T7043] el0_svc+0x78/0x1e0 [ 230.165356][ T7043] el0t_64_sync_handler+0xcc/0xe4 [ 230.166070][ T7043] el0t_64_sync+0x1a0/0x1a4 [ 230.167568][ T7043] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.169715][ T7043] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.299263][ T7046] loop1: detected capacity change from 0 to 32768 [ 230.305405][ T7046] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.306637][ T7046] CPU: 1 PID: 7046 Comm: syz.1.693 Not tainted syzkaller #0 [ 230.307750][ T7046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.309311][ T7046] Call trace: [ 230.309811][ T7046] dump_backtrace+0x0/0x43c [ 230.310485][ T7046] show_stack+0x2c/0x3c [ 230.311091][ T7046] __dump_stack+0x30/0x40 [ 230.311762][ T7046] dump_stack_lvl+0xf8/0x160 [ 230.312452][ T7046] dump_stack+0x1c/0x5c [ 230.313113][ T7046] sysfs_create_dir_ns+0x22c/0x24c [ 230.313839][ T7046] kobject_add_internal+0x590/0xc54 [ 230.314708][ T7046] kobject_init_and_add+0x118/0x17c [ 230.315596][ T7046] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.316294][ T7046] gfs2_fill_super+0xdac/0x19e0 [ 230.317102][ T7046] get_tree_bdev+0x358/0x544 [ 230.317824][ T7046] gfs2_get_tree+0x54/0x1b4 [ 230.318542][ T7046] vfs_get_tree+0x90/0x274 [ 230.319267][ T7046] do_new_mount+0x228/0x810 [ 230.319968][ T7046] path_mount+0x5b4/0x1000 [ 230.320615][ T7046] __arm64_sys_mount+0x514/0x5e4 [ 230.321396][ T7046] invoke_syscall+0x98/0x2b8 [ 230.322189][ T7046] el0_svc_common+0x138/0x258 [ 230.322954][ T7046] do_el0_svc+0x58/0x14c [ 230.323618][ T7046] el0_svc+0x78/0x1e0 [ 230.324264][ T7046] el0t_64_sync_handler+0xcc/0xe4 [ 230.325106][ T7046] el0t_64_sync+0x1a0/0x1a4 [ 230.327367][ T7046] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.329165][ T7046] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.456241][ T7049] loop1: detected capacity change from 0 to 32768 [ 230.512683][ T7049] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.513946][ T7049] CPU: 0 PID: 7049 Comm: syz.1.694 Not tainted syzkaller #0 [ 230.515112][ T7049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.516658][ T7049] Call trace: [ 230.517181][ T7049] dump_backtrace+0x0/0x43c [ 230.517914][ T7049] show_stack+0x2c/0x3c [ 230.518605][ T7049] __dump_stack+0x30/0x40 [ 230.519254][ T7049] dump_stack_lvl+0xf8/0x160 [ 230.519978][ T7049] dump_stack+0x1c/0x5c [ 230.520630][ T7049] sysfs_create_dir_ns+0x22c/0x24c [ 230.521359][ T7049] kobject_add_internal+0x590/0xc54 [ 230.522131][ T7049] kobject_init_and_add+0x118/0x17c [ 230.522945][ T7049] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.523762][ T7049] gfs2_fill_super+0xdac/0x19e0 [ 230.524532][ T7049] get_tree_bdev+0x358/0x544 [ 230.525214][ T7049] gfs2_get_tree+0x54/0x1b4 [ 230.525901][ T7049] vfs_get_tree+0x90/0x274 [ 230.526595][ T7049] do_new_mount+0x228/0x810 [ 230.527335][ T7049] path_mount+0x5b4/0x1000 [ 230.528021][ T7049] __arm64_sys_mount+0x514/0x5e4 [ 230.528797][ T7049] invoke_syscall+0x98/0x2b8 [ 230.529493][ T7049] el0_svc_common+0x138/0x258 [ 230.530269][ T7049] do_el0_svc+0x58/0x14c [ 230.530993][ T7049] el0_svc+0x78/0x1e0 [ 230.531633][ T7049] el0t_64_sync_handler+0xcc/0xe4 [ 230.532505][ T7049] el0t_64_sync+0x1a0/0x1a4 [ 230.534691][ T7049] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.536795][ T7049] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.662880][ T7052] loop1: detected capacity change from 0 to 32768 [ 230.707342][ T7052] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.708553][ T7052] CPU: 0 PID: 7052 Comm: syz.1.695 Not tainted syzkaller #0 [ 230.709651][ T7052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.711158][ T7052] Call trace: [ 230.711695][ T7052] dump_backtrace+0x0/0x43c [ 230.712434][ T7052] show_stack+0x2c/0x3c [ 230.713116][ T7052] __dump_stack+0x30/0x40 [ 230.713817][ T7052] dump_stack_lvl+0xf8/0x160 [ 230.714572][ T7052] dump_stack+0x1c/0x5c [ 230.715238][ T7052] sysfs_create_dir_ns+0x22c/0x24c [ 230.716016][ T7052] kobject_add_internal+0x590/0xc54 [ 230.716830][ T7052] kobject_init_and_add+0x118/0x17c [ 230.717648][ T7052] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.718446][ T7052] gfs2_fill_super+0xdac/0x19e0 [ 230.719220][ T7052] get_tree_bdev+0x358/0x544 [ 230.719919][ T7052] gfs2_get_tree+0x54/0x1b4 [ 230.720675][ T7052] vfs_get_tree+0x90/0x274 [ 230.721364][ T7052] do_new_mount+0x228/0x810 [ 230.722120][ T7052] path_mount+0x5b4/0x1000 [ 230.722756][ T7052] __arm64_sys_mount+0x514/0x5e4 [ 230.723534][ T7052] invoke_syscall+0x98/0x2b8 [ 230.724272][ T7052] el0_svc_common+0x138/0x258 [ 230.725045][ T7052] do_el0_svc+0x58/0x14c [ 230.725733][ T7052] el0_svc+0x78/0x1e0 [ 230.726373][ T7052] el0t_64_sync_handler+0xcc/0xe4 [ 230.727142][ T7052] el0t_64_sync+0x1a0/0x1a4 [ 230.729859][ T7052] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.731953][ T7052] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.903428][ T7055] loop1: detected capacity change from 0 to 32768 [ 230.936985][ T7055] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.941759][ T7055] CPU: 1 PID: 7055 Comm: syz.1.696 Not tainted syzkaller #0 [ 230.942903][ T7055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.944369][ T7055] Call trace: [ 230.944839][ T7055] dump_backtrace+0x0/0x43c [ 230.945492][ T7055] show_stack+0x2c/0x3c [ 230.946085][ T7055] __dump_stack+0x30/0x40 [ 230.946778][ T7055] dump_stack_lvl+0xf8/0x160 [ 230.947514][ T7055] dump_stack+0x1c/0x5c [ 230.948117][ T7055] sysfs_create_dir_ns+0x22c/0x24c [ 230.948874][ T7055] kobject_add_internal+0x590/0xc54 [ 230.949742][ T7055] kobject_init_and_add+0x118/0x17c [ 230.950567][ T7055] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.951269][ T7055] gfs2_fill_super+0xdac/0x19e0 [ 230.952048][ T7055] get_tree_bdev+0x358/0x544 [ 230.952774][ T7055] gfs2_get_tree+0x54/0x1b4 [ 230.953509][ T7055] vfs_get_tree+0x90/0x274 [ 230.954247][ T7055] do_new_mount+0x228/0x810 [ 230.954948][ T7055] path_mount+0x5b4/0x1000 [ 230.955650][ T7055] __arm64_sys_mount+0x514/0x5e4 [ 230.956365][ T7055] invoke_syscall+0x98/0x2b8 [ 230.957036][ T7055] el0_svc_common+0x138/0x258 [ 230.957725][ T7055] do_el0_svc+0x58/0x14c [ 230.958352][ T7055] el0_svc+0x78/0x1e0 [ 230.958924][ T7055] el0t_64_sync_handler+0xcc/0xe4 [ 230.959769][ T7055] el0t_64_sync+0x1a0/0x1a4 [ 230.961829][ T7055] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.963704][ T7055] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.089529][ T7058] loop1: detected capacity change from 0 to 32768 [ 231.176697][ T7058] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.177875][ T7058] CPU: 0 PID: 7058 Comm: syz.1.697 Not tainted syzkaller #0 [ 231.179026][ T7058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.180638][ T7058] Call trace: [ 231.181170][ T7058] dump_backtrace+0x0/0x43c [ 231.181886][ T7058] show_stack+0x2c/0x3c [ 231.182509][ T7058] __dump_stack+0x30/0x40 [ 231.183198][ T7058] dump_stack_lvl+0xf8/0x160 [ 231.183904][ T7058] dump_stack+0x1c/0x5c [ 231.184600][ T7058] sysfs_create_dir_ns+0x22c/0x24c [ 231.185408][ T7058] kobject_add_internal+0x590/0xc54 [ 231.186239][ T7058] kobject_init_and_add+0x118/0x17c [ 231.187147][ T7058] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.187927][ T7058] gfs2_fill_super+0xdac/0x19e0 [ 231.188654][ T7058] get_tree_bdev+0x358/0x544 [ 231.189411][ T7058] gfs2_get_tree+0x54/0x1b4 [ 231.190203][ T7058] vfs_get_tree+0x90/0x274 [ 231.190953][ T7058] do_new_mount+0x228/0x810 [ 231.191665][ T7058] path_mount+0x5b4/0x1000 [ 231.192373][ T7058] __arm64_sys_mount+0x514/0x5e4 [ 231.193091][ T7058] invoke_syscall+0x98/0x2b8 [ 231.193755][ T7058] el0_svc_common+0x138/0x258 [ 231.194411][ T7058] do_el0_svc+0x58/0x14c [ 231.195059][ T7058] el0_svc+0x78/0x1e0 [ 231.195662][ T7058] el0t_64_sync_handler+0xcc/0xe4 [ 231.196420][ T7058] el0t_64_sync+0x1a0/0x1a4 [ 231.198658][ T7058] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.200580][ T7058] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.333973][ T7061] loop1: detected capacity change from 0 to 32768 [ 231.371607][ T7061] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.372880][ T7061] CPU: 1 PID: 7061 Comm: syz.1.698 Not tainted syzkaller #0 [ 231.374021][ T7061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.375673][ T7061] Call trace: [ 231.376232][ T7061] dump_backtrace+0x0/0x43c [ 231.376914][ T7061] show_stack+0x2c/0x3c [ 231.377622][ T7061] __dump_stack+0x30/0x40 [ 231.378357][ T7061] dump_stack_lvl+0xf8/0x160 [ 231.379093][ T7061] dump_stack+0x1c/0x5c [ 231.379737][ T7061] sysfs_create_dir_ns+0x22c/0x24c [ 231.380538][ T7061] kobject_add_internal+0x590/0xc54 [ 231.381499][ T7061] kobject_init_and_add+0x118/0x17c [ 231.382391][ T7061] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.383187][ T7061] gfs2_fill_super+0xdac/0x19e0 [ 231.383885][ T7061] get_tree_bdev+0x358/0x544 [ 231.384576][ T7061] gfs2_get_tree+0x54/0x1b4 [ 231.385333][ T7061] vfs_get_tree+0x90/0x274 [ 231.386030][ T7061] do_new_mount+0x228/0x810 [ 231.386788][ T7061] path_mount+0x5b4/0x1000 [ 231.387511][ T7061] __arm64_sys_mount+0x514/0x5e4 [ 231.388327][ T7061] invoke_syscall+0x98/0x2b8 [ 231.389021][ T7061] el0_svc_common+0x138/0x258 [ 231.389779][ T7061] do_el0_svc+0x58/0x14c [ 231.390450][ T7061] el0_svc+0x78/0x1e0 [ 231.391055][ T7061] el0t_64_sync_handler+0xcc/0xe4 [ 231.391804][ T7061] el0t_64_sync+0x1a0/0x1a4 [ 231.392996][ T7061] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.394945][ T7061] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.520069][ T7064] loop1: detected capacity change from 0 to 32768 [ 231.590625][ T7064] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.591747][ T7064] CPU: 0 PID: 7064 Comm: syz.1.699 Not tainted syzkaller #0 [ 231.592876][ T7064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.594371][ T7064] Call trace: [ 231.595067][ T7064] dump_backtrace+0x0/0x43c [ 231.595704][ T7064] show_stack+0x2c/0x3c [ 231.596345][ T7064] __dump_stack+0x30/0x40 [ 231.596981][ T7064] dump_stack_lvl+0xf8/0x160 [ 231.597687][ T7064] dump_stack+0x1c/0x5c [ 231.598297][ T7064] sysfs_create_dir_ns+0x22c/0x24c [ 231.599097][ T7064] kobject_add_internal+0x590/0xc54 [ 231.599921][ T7064] kobject_init_and_add+0x118/0x17c [ 231.600699][ T7064] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.601440][ T7064] gfs2_fill_super+0xdac/0x19e0 [ 231.602188][ T7064] get_tree_bdev+0x358/0x544 [ 231.602882][ T7064] gfs2_get_tree+0x54/0x1b4 [ 231.603644][ T7064] vfs_get_tree+0x90/0x274 [ 231.604385][ T7064] do_new_mount+0x228/0x810 [ 231.605086][ T7064] path_mount+0x5b4/0x1000 [ 231.605782][ T7064] __arm64_sys_mount+0x514/0x5e4 [ 231.606541][ T7064] invoke_syscall+0x98/0x2b8 [ 231.607214][ T7064] el0_svc_common+0x138/0x258 [ 231.607900][ T7064] do_el0_svc+0x58/0x14c [ 231.608633][ T7064] el0_svc+0x78/0x1e0 [ 231.609287][ T7064] el0t_64_sync_handler+0xcc/0xe4 [ 231.610116][ T7064] el0t_64_sync+0x1a0/0x1a4 [ 231.612144][ T7064] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.614278][ T7064] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.835640][ T7067] loop1: detected capacity change from 0 to 32768 [ 231.886968][ T7067] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.891529][ T7067] CPU: 1 PID: 7067 Comm: syz.1.700 Not tainted syzkaller #0 [ 231.892757][ T7067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.894155][ T7067] Call trace: [ 231.894691][ T7067] dump_backtrace+0x0/0x43c [ 231.895369][ T7067] show_stack+0x2c/0x3c [ 231.896077][ T7067] __dump_stack+0x30/0x40 [ 231.896739][ T7067] dump_stack_lvl+0xf8/0x160 [ 231.897546][ T7067] dump_stack+0x1c/0x5c [ 231.898251][ T7067] sysfs_create_dir_ns+0x22c/0x24c [ 231.899106][ T7067] kobject_add_internal+0x590/0xc54 [ 231.899934][ T7067] kobject_init_and_add+0x118/0x17c [ 231.900796][ T7067] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.901557][ T7067] gfs2_fill_super+0xdac/0x19e0 [ 231.902286][ T7067] get_tree_bdev+0x358/0x544 [ 231.902897][ T7067] gfs2_get_tree+0x54/0x1b4 [ 231.903642][ T7067] vfs_get_tree+0x90/0x274 [ 231.904367][ T7067] do_new_mount+0x228/0x810 [ 231.905090][ T7067] path_mount+0x5b4/0x1000 [ 231.905774][ T7067] __arm64_sys_mount+0x514/0x5e4 [ 231.906533][ T7067] invoke_syscall+0x98/0x2b8 [ 231.907269][ T7067] el0_svc_common+0x138/0x258 [ 231.907965][ T7067] do_el0_svc+0x58/0x14c [ 231.908611][ T7067] el0_svc+0x78/0x1e0 [ 231.909215][ T7067] el0t_64_sync_handler+0xcc/0xe4 [ 231.910026][ T7067] el0t_64_sync+0x1a0/0x1a4 [ 231.910975][ T7067] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.913058][ T7067] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 232.038110][ T7070] loop1: detected capacity change from 0 to 32768 [ 232.126756][ T7070] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 232.128012][ T7070] CPU: 0 PID: 7070 Comm: syz.1.701 Not tainted syzkaller #0 [ 232.129027][ T7070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.130683][ T7070] Call trace: [ 232.131177][ T7070] dump_backtrace+0x0/0x43c [ 232.131879][ T7070] show_stack+0x2c/0x3c [ 232.132554][ T7070] __dump_stack+0x30/0x40 [ 232.133249][ T7070] dump_stack_lvl+0xf8/0x160 [ 232.133906][ T7070] dump_stack+0x1c/0x5c [ 232.134568][ T7070] sysfs_create_dir_ns+0x22c/0x24c [ 232.135398][ T7070] kobject_add_internal+0x590/0xc54 [ 232.136109][ T7070] kobject_init_and_add+0x118/0x17c [ 232.136854][ T7070] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.137629][ T7070] gfs2_fill_super+0xdac/0x19e0 [ 232.138428][ T7070] get_tree_bdev+0x358/0x544 [ 232.139085][ T7070] gfs2_get_tree+0x54/0x1b4 [ 232.139740][ T7070] vfs_get_tree+0x90/0x274 [ 232.140384][ T7070] do_new_mount+0x228/0x810 [ 232.141091][ T7070] path_mount+0x5b4/0x1000 [ 232.141790][ T7070] __arm64_sys_mount+0x514/0x5e4 [ 232.142564][ T7070] invoke_syscall+0x98/0x2b8 [ 232.143323][ T7070] el0_svc_common+0x138/0x258 [ 232.144056][ T7070] do_el0_svc+0x58/0x14c [ 232.144718][ T7070] el0_svc+0x78/0x1e0 [ 232.145377][ T7070] el0t_64_sync_handler+0xcc/0xe4 [ 232.146097][ T7070] el0t_64_sync+0x1a0/0x1a4 [ 232.156574][ T7070] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.158725][ T7070] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 232.166600][ T27] INFO: task syz-executor:4812 blocked for more than 143 seconds. [ 232.167855][ T27] Not tainted syzkaller #0 [ 232.168547][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 232.169916][ T27] task:syz-executor state:D stack: 0 pid: 4812 ppid: 1 flags:0x00000001 [ 232.171416][ T27] Call trace: [ 232.171919][ T27] __switch_to+0x2f4/0x558 [ 232.172575][ T27] __schedule+0xe08/0x1bf8 [ 232.173202][ T27] schedule+0x11c/0x1c8 [ 232.173814][ T27] bit_wait+0x1c/0xac [ 232.174390][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 232.175167][ T27] gfs2_glock_nq+0x8f8/0x141c [ 232.175905][ T27] __gfs2_lookup+0x110/0x268 [ 232.178434][ T27] gfs2_lookup+0x2c/0x3c [ 232.179071][ T27] __lookup_slow+0x24c/0x380 [ 232.179840][ T27] lookup_slow+0x5c/0x80 [ 232.180554][ T27] walk_component+0x2b0/0x3a8 [ 232.181315][ T27] path_lookupat+0x13c/0x3d0 [ 232.182026][ T27] filename_lookup+0x180/0x414 [ 232.182717][ T27] user_path_at_empty+0x5c/0x1a0 [ 232.183523][ T27] __arm64_sys_umount+0xf4/0x178 [ 232.184316][ T27] invoke_syscall+0x98/0x2b8 [ 232.185062][ T27] el0_svc_common+0x138/0x258 [ 232.185874][ T27] do_el0_svc+0x58/0x14c [ 232.187182][ T27] el0_svc+0x78/0x1e0 [ 232.187789][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 232.188607][ T27] el0t_64_sync+0x1a0/0x1a4 [ 232.189412][ T27] [ 232.189412][ T27] Showing all locks held in the system: [ 232.190637][ T27] 1 lock held by khungtaskd/27: [ 232.191430][ T27] #0: ffff8000143513a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 232.192929][ T27] 2 locks held by getty/3807: [ 232.193674][ T27] #0: ffff0000d4318098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 232.195241][ T27] #1: ffff80001bb4e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 232.199652][ T27] 1 lock held by syz-executor/4812: [ 232.200393][ T27] #0: ffff0000edc5b790 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 232.202069][ T27] 2 locks held by udevd/4970: [ 232.202810][ T27] #0: ffff0000cc025918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac [ 232.204253][ T27] #1: ffff0000cc168468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa4/0x978 [ 232.205624][ T27] 1 lock held by syz.1.702/7073: [ 232.206366][ T27] [ 232.208112][ T27] ============================================= [ 232.208112][ T27] [ 232.209394][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 232.210507][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 232.211702][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.213298][ T27] Call trace: [ 232.213828][ T27] dump_backtrace+0x0/0x43c [ 232.214585][ T27] show_stack+0x2c/0x3c [ 232.215277][ T27] __dump_stack+0x30/0x40 [ 232.215959][ T27] dump_stack_lvl+0xf8/0x160 [ 232.216699][ T27] dump_stack+0x1c/0x5c [ 232.217390][ T27] panic+0x2e4/0x854 [ 232.217974][ T27] hung_task_panic+0x0/0x2c [ 232.218687][ T27] kthread+0x374/0x454 [ 232.219315][ T27] ret_from_fork+0x10/0x20 [ 232.220035][ T27] SMP: stopping secondary CPUs [ 232.220820][ T27] Kernel Offset: disabled [ 232.221554][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 232.222434][ T27] Memory Limit: none [ 232.568859][ T27] Rebooting in 86400 seconds..