215.198451][ T6193] kobject_init_and_add+0x118/0x17c [ 215.199173][ T6193] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.199832][ T6193] gfs2_fill_super+0xdac/0x19e0 [ 215.200501][ T6193] get_tree_bdev+0x358/0x544 [ 215.201176][ T6193] gfs2_get_tree+0x54/0x1b4 [ 215.201801][ T6193] vfs_get_tree+0x90/0x274 [ 215.202452][ T6193] do_new_mount+0x228/0x810 [ 215.203137][ T6193] path_mount+0x5b4/0x1000 [ 215.203733][ T6193] __arm64_sys_mount+0x514/0x5e4 [ 215.204435][ T6193] invoke_syscall+0x98/0x2b8 [ 215.205100][ T6193] el0_svc_common+0x138/0x258 [ 215.205849][ T6193] do_el0_svc+0x58/0x14c [ 215.206495][ T6193] el0_svc+0x78/0x1e0 [ 215.207101][ T6193] el0t_64_sync_handler+0xcc/0xe4 [ 215.207931][ T6193] el0t_64_sync+0x1a0/0x1a4 [ 215.208679][ T6193] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.210650][ T6193] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.279232][ T6195] chnl_net:caif_netlink_parms(): no params data found [ 215.300582][ T6195] bridge0: port 1(bridge_slave_0) entered blocking state [ 215.301843][ T6195] bridge0: port 1(bridge_slave_0) entered disabled state [ 215.303296][ T6195] device bridge_slave_0 entered promiscuous mode [ 215.305247][ T6195] bridge0: port 2(bridge_slave_1) entered blocking state [ 215.306357][ T6195] bridge0: port 2(bridge_slave_1) entered disabled state [ 215.307826][ T6195] device bridge_slave_1 entered promiscuous mode [ 215.317384][ T6195] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 215.320585][ T6195] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 215.328242][ T6195] team0: Port device team_slave_0 added [ 215.331362][ T6195] team0: Port device team_slave_1 added [ 215.337381][ T6195] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 215.338408][ T6195] 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. [ 215.343490][ T6195] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 215.345802][ T6195] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 215.346807][ T6195] 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. [ 215.352202][ T6195] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 215.402379][ T6195] device hsr_slave_0 entered promiscuous mode [ 215.440065][ T6195] device hsr_slave_1 entered promiscuous mode [ 215.489721][ T6195] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 215.490849][ T6195] Cannot create hsr debugfs directory [ 215.527565][ T6195] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.695954][ T6195] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.973709][ T6195] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 216.025475][ T6195] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 216.204686][ T6195] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 216.234489][ T6195] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 216.270976][ T6195] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 216.323812][ T6195] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 216.418269][ T6195] 8021q: adding VLAN 0 to HW filter on device bond0 [ 216.422033][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 216.423543][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 216.425989][ T6195] 8021q: adding VLAN 0 to HW filter on device team0 [ 216.428344][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 216.431659][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 216.433154][ T287] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.434172][ T287] bridge0: port 1(bridge_slave_0) entered forwarding state [ 216.435465][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 216.438073][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 216.439415][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 216.440876][ T287] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.441867][ T287] bridge0: port 2(bridge_slave_1) entered forwarding state [ 216.444473][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 216.447134][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 216.451078][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 216.453189][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 216.457838][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 216.461860][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 216.463439][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 216.465992][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 216.467386][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 216.469984][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 216.471421][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 216.473657][ T6195] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 216.515338][ T6195] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 216.520056][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 216.521333][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 216.524734][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 216.526370][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 216.532753][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 216.534298][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 216.535840][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 216.537241][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 216.539397][ T6195] device veth0_vlan entered promiscuous mode [ 216.542912][ T6195] device veth1_vlan entered promiscuous mode [ 216.549386][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 216.551484][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 216.552747][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 216.554307][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 216.560188][ T6195] device veth0_macvtap entered promiscuous mode [ 216.562784][ T6195] device veth1_macvtap entered promiscuous mode [ 216.567150][ T6195] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 216.568750][ T6195] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.570797][ T6195] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 216.572274][ T6195] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.574336][ T6195] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 216.575571][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 216.577154][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 216.578546][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 216.580730][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 216.583251][ T6195] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 216.584743][ T6195] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.586391][ T6195] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 216.587903][ T6195] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.590546][ T6195] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 216.591734][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 216.593292][ T287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 216.595772][ T6195] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.596984][ T6195] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.598239][ T6195] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.599525][ T6195] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.623576][ T287] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 216.628182][ T287] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 216.630507][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 216.631688][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 216.632481][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 216.634302][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 216.778066][ T6213] loop1: detected capacity change from 0 to 32768 [ 216.799776][ T6213] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.800923][ T6213] CPU: 0 PID: 6213 Comm: syz.1.617 Not tainted syzkaller #0 [ 216.802010][ T6213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.803485][ T6213] Call trace: [ 216.803981][ T6213] dump_backtrace+0x0/0x43c [ 216.804632][ T6213] show_stack+0x2c/0x3c [ 216.805197][ T6213] __dump_stack+0x30/0x40 [ 216.805885][ T6213] dump_stack_lvl+0xf8/0x160 [ 216.806593][ T6213] dump_stack+0x1c/0x5c [ 216.807237][ T6213] sysfs_create_dir_ns+0x22c/0x24c [ 216.808035][ T6213] kobject_add_internal+0x590/0xc54 [ 216.808758][ T6213] kobject_init_and_add+0x118/0x17c [ 216.809555][ T6213] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.810271][ T6213] gfs2_fill_super+0xdac/0x19e0 [ 216.811034][ T6213] get_tree_bdev+0x358/0x544 [ 216.811748][ T6213] gfs2_get_tree+0x54/0x1b4 [ 216.812438][ T6213] vfs_get_tree+0x90/0x274 [ 216.813137][ T6213] do_new_mount+0x228/0x810 [ 216.813889][ T6213] path_mount+0x5b4/0x1000 [ 216.814548][ T6213] __arm64_sys_mount+0x514/0x5e4 [ 216.815296][ T6213] invoke_syscall+0x98/0x2b8 [ 216.816039][ T6213] el0_svc_common+0x138/0x258 [ 216.816764][ T6213] do_el0_svc+0x58/0x14c [ 216.817484][ T6213] el0_svc+0x78/0x1e0 [ 216.818093][ T6213] el0t_64_sync_handler+0xcc/0xe4 [ 216.818850][ T6213] el0t_64_sync+0x1a0/0x1a4 [ 216.820054][ T6213] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.821928][ T6213] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.039798][ T6215] loop1: detected capacity change from 0 to 32768 [ 217.076889][ T6215] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.078115][ T6215] CPU: 0 PID: 6215 Comm: syz.1.618 Not tainted syzkaller #0 [ 217.079172][ T6215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.080641][ T6215] Call trace: [ 217.081137][ T6215] dump_backtrace+0x0/0x43c [ 217.081823][ T6215] show_stack+0x2c/0x3c [ 217.082472][ T6215] __dump_stack+0x30/0x40 [ 217.083096][ T6215] dump_stack_lvl+0xf8/0x160 [ 217.083772][ T6215] dump_stack+0x1c/0x5c [ 217.084349][ T6215] sysfs_create_dir_ns+0x22c/0x24c [ 217.085076][ T6215] kobject_add_internal+0x590/0xc54 [ 217.085904][ T6215] kobject_init_and_add+0x118/0x17c [ 217.086743][ T6215] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.087432][ T6215] gfs2_fill_super+0xdac/0x19e0 [ 217.088270][ T6215] get_tree_bdev+0x358/0x544 [ 217.089002][ T6215] gfs2_get_tree+0x54/0x1b4 [ 217.089718][ T6215] vfs_get_tree+0x90/0x274 [ 217.090381][ T6215] do_new_mount+0x228/0x810 [ 217.091020][ T6215] path_mount+0x5b4/0x1000 [ 217.091734][ T6215] __arm64_sys_mount+0x514/0x5e4 [ 217.092523][ T6215] invoke_syscall+0x98/0x2b8 [ 217.093278][ T6215] el0_svc_common+0x138/0x258 [ 217.094009][ T6215] do_el0_svc+0x58/0x14c [ 217.094650][ T6215] el0_svc+0x78/0x1e0 [ 217.095237][ T6215] el0t_64_sync_handler+0xcc/0xe4 [ 217.096067][ T6215] el0t_64_sync+0x1a0/0x1a4 [ 217.098373][ T6215] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.100458][ T6215] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.234247][ T417] device hsr_slave_0 left promiscuous mode [ 217.236204][ T6217] loop1: detected capacity change from 0 to 32768 [ 217.280015][ T417] device hsr_slave_1 left promiscuous mode [ 217.281569][ T6217] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.282636][ T6217] CPU: 1 PID: 6217 Comm: syz.1.619 Not tainted syzkaller #0 [ 217.283673][ T6217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.285006][ T6217] Call trace: [ 217.285478][ T6217] dump_backtrace+0x0/0x43c [ 217.286103][ T6217] show_stack+0x2c/0x3c [ 217.286633][ T6217] __dump_stack+0x30/0x40 [ 217.287309][ T6217] dump_stack_lvl+0xf8/0x160 [ 217.287977][ T6217] dump_stack+0x1c/0x5c [ 217.288592][ T6217] sysfs_create_dir_ns+0x22c/0x24c [ 217.289347][ T6217] kobject_add_internal+0x590/0xc54 [ 217.290080][ T6217] kobject_init_and_add+0x118/0x17c [ 217.290807][ T6217] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.291541][ T6217] gfs2_fill_super+0xdac/0x19e0 [ 217.292321][ T6217] get_tree_bdev+0x358/0x544 [ 217.293024][ T6217] gfs2_get_tree+0x54/0x1b4 [ 217.293720][ T6217] vfs_get_tree+0x90/0x274 [ 217.294442][ T6217] do_new_mount+0x228/0x810 [ 217.295216][ T6217] path_mount+0x5b4/0x1000 [ 217.295918][ T6217] __arm64_sys_mount+0x514/0x5e4 [ 217.296642][ T6217] invoke_syscall+0x98/0x2b8 [ 217.297410][ T6217] el0_svc_common+0x138/0x258 [ 217.298134][ T6217] do_el0_svc+0x58/0x14c [ 217.298821][ T6217] el0_svc+0x78/0x1e0 [ 217.299473][ T6217] el0t_64_sync_handler+0xcc/0xe4 [ 217.300299][ T6217] el0t_64_sync+0x1a0/0x1a4 [ 217.301777][ T4660] Bluetooth: hci2: command 0x0409 tx timeout [ 217.303315][ T6217] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.305234][ T6217] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.370176][ T417] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 217.371417][ T417] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 217.372898][ T417] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 217.373994][ T417] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 217.375372][ T417] device bridge_slave_1 left promiscuous mode [ 217.376400][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 217.402770][ T417] device bridge_slave_0 left promiscuous mode [ 217.403872][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 217.437314][ T6219] loop1: detected capacity change from 0 to 32768 [ 217.514182][ T6219] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.515367][ T6219] CPU: 1 PID: 6219 Comm: syz.1.620 Not tainted syzkaller #0 [ 217.516393][ T6219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.517833][ T6219] Call trace: [ 217.518318][ T6219] dump_backtrace+0x0/0x43c [ 217.519017][ T6219] show_stack+0x2c/0x3c [ 217.519655][ T6219] __dump_stack+0x30/0x40 [ 217.520363][ T6219] dump_stack_lvl+0xf8/0x160 [ 217.521076][ T6219] dump_stack+0x1c/0x5c [ 217.521733][ T6219] sysfs_create_dir_ns+0x22c/0x24c [ 217.522556][ T6219] kobject_add_internal+0x590/0xc54 [ 217.523343][ T6219] kobject_init_and_add+0x118/0x17c [ 217.524221][ T6219] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.524968][ T6219] gfs2_fill_super+0xdac/0x19e0 [ 217.525649][ T6219] get_tree_bdev+0x358/0x544 [ 217.526407][ T6219] gfs2_get_tree+0x54/0x1b4 [ 217.527161][ T6219] vfs_get_tree+0x90/0x274 [ 217.527944][ T6219] do_new_mount+0x228/0x810 [ 217.528704][ T6219] path_mount+0x5b4/0x1000 [ 217.529377][ T6219] __arm64_sys_mount+0x514/0x5e4 [ 217.530151][ T6219] invoke_syscall+0x98/0x2b8 [ 217.530851][ T6219] el0_svc_common+0x138/0x258 [ 217.531588][ T6219] do_el0_svc+0x58/0x14c [ 217.532288][ T6219] el0_svc+0x78/0x1e0 [ 217.532968][ T6219] el0t_64_sync_handler+0xcc/0xe4 [ 217.533763][ T6219] el0t_64_sync+0x1a0/0x1a4 [ 217.536469][ T6219] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.538333][ T6219] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.539869][ T417] device veth1_macvtap left promiscuous mode [ 217.540788][ T417] device veth0_macvtap left promiscuous mode [ 217.541726][ T417] device veth1_vlan left promiscuous mode [ 217.542610][ T417] device veth0_vlan left promiscuous mode [ 217.665001][ T417] team0 (unregistering): Port device team_slave_1 removed [ 217.669353][ T417] team0 (unregistering): Port device team_slave_0 removed [ 217.674357][ T417] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 217.698533][ T6221] loop1: detected capacity change from 0 to 32768 [ 217.702869][ T6221] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.703959][ T6221] CPU: 0 PID: 6221 Comm: syz.1.621 Not tainted syzkaller #0 [ 217.705124][ T6221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.706745][ T6221] Call trace: [ 217.707295][ T6221] dump_backtrace+0x0/0x43c [ 217.708031][ T6221] show_stack+0x2c/0x3c [ 217.708708][ T6221] __dump_stack+0x30/0x40 [ 217.709405][ T6221] dump_stack_lvl+0xf8/0x160 [ 217.710164][ T6221] dump_stack+0x1c/0x5c [ 217.710817][ T6221] sysfs_create_dir_ns+0x22c/0x24c [ 217.711586][ T6221] kobject_add_internal+0x590/0xc54 [ 217.712415][ T6221] kobject_init_and_add+0x118/0x17c [ 217.713221][ T6221] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.713959][ T6221] gfs2_fill_super+0xdac/0x19e0 [ 217.714714][ T6221] get_tree_bdev+0x358/0x544 [ 217.715422][ T6221] gfs2_get_tree+0x54/0x1b4 [ 217.716142][ T6221] vfs_get_tree+0x90/0x274 [ 217.716874][ T6221] do_new_mount+0x228/0x810 [ 217.717595][ T6221] path_mount+0x5b4/0x1000 [ 217.718322][ T6221] __arm64_sys_mount+0x514/0x5e4 [ 217.719065][ T6221] invoke_syscall+0x98/0x2b8 [ 217.719725][ T6221] el0_svc_common+0x138/0x258 [ 217.720455][ T6221] do_el0_svc+0x58/0x14c [ 217.721195][ T6221] el0_svc+0x78/0x1e0 [ 217.721817][ T6221] el0t_64_sync_handler+0xcc/0xe4 [ 217.722682][ T6221] el0t_64_sync+0x1a0/0x1a4 [ 217.724994][ T6221] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.725481][ T417] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 217.726969][ T6221] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.833320][ T417] bond0 (unregistering): Released all slaves [ 217.914089][ T6223] loop1: detected capacity change from 0 to 32768 [ 217.950744][ T6223] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.951902][ T6223] CPU: 0 PID: 6223 Comm: syz.1.622 Not tainted syzkaller #0 [ 217.952971][ T6223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.954468][ T6223] Call trace: [ 217.954959][ T6223] dump_backtrace+0x0/0x43c [ 217.955607][ T6223] show_stack+0x2c/0x3c [ 217.956191][ T6223] __dump_stack+0x30/0x40 [ 217.956834][ T6223] dump_stack_lvl+0xf8/0x160 [ 217.957489][ T6223] dump_stack+0x1c/0x5c [ 217.958065][ T6223] sysfs_create_dir_ns+0x22c/0x24c [ 217.958877][ T6223] kobject_add_internal+0x590/0xc54 [ 217.959678][ T6223] kobject_init_and_add+0x118/0x17c [ 217.960470][ T6223] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.961164][ T6223] gfs2_fill_super+0xdac/0x19e0 [ 217.961894][ T6223] get_tree_bdev+0x358/0x544 [ 217.962526][ T6223] gfs2_get_tree+0x54/0x1b4 [ 217.963191][ T6223] vfs_get_tree+0x90/0x274 [ 217.963836][ T6223] do_new_mount+0x228/0x810 [ 217.964486][ T6223] path_mount+0x5b4/0x1000 [ 217.965143][ T6223] __arm64_sys_mount+0x514/0x5e4 [ 217.965882][ T6223] invoke_syscall+0x98/0x2b8 [ 217.966573][ T6223] el0_svc_common+0x138/0x258 [ 217.967323][ T6223] do_el0_svc+0x58/0x14c [ 217.967956][ T6223] el0_svc+0x78/0x1e0 [ 217.968556][ T6223] el0t_64_sync_handler+0xcc/0xe4 [ 217.969328][ T6223] el0t_64_sync+0x1a0/0x1a4 [ 217.970475][ T6223] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.972459][ T6223] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.111431][ T6225] loop1: detected capacity change from 0 to 32768 [ 218.229833][ T6225] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.231200][ T6225] CPU: 0 PID: 6225 Comm: syz.1.623 Not tainted syzkaller #0 [ 218.232317][ T6225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.233783][ T6225] Call trace: [ 218.234258][ T6225] dump_backtrace+0x0/0x43c [ 218.234904][ T6225] show_stack+0x2c/0x3c [ 218.235534][ T6225] __dump_stack+0x30/0x40 [ 218.236205][ T6225] dump_stack_lvl+0xf8/0x160 [ 218.236942][ T6225] dump_stack+0x1c/0x5c [ 218.237627][ T6225] sysfs_create_dir_ns+0x22c/0x24c [ 218.238419][ T6225] kobject_add_internal+0x590/0xc54 [ 218.239196][ T6225] kobject_init_and_add+0x118/0x17c [ 218.239960][ T6225] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.240700][ T6225] gfs2_fill_super+0xdac/0x19e0 [ 218.241496][ T6225] get_tree_bdev+0x358/0x544 [ 218.242203][ T6225] gfs2_get_tree+0x54/0x1b4 [ 218.242916][ T6225] vfs_get_tree+0x90/0x274 [ 218.243595][ T6225] do_new_mount+0x228/0x810 [ 218.244333][ T6225] path_mount+0x5b4/0x1000 [ 218.245070][ T6225] __arm64_sys_mount+0x514/0x5e4 [ 218.245802][ T6225] invoke_syscall+0x98/0x2b8 [ 218.246549][ T6225] el0_svc_common+0x138/0x258 [ 218.247279][ T6225] do_el0_svc+0x58/0x14c [ 218.247953][ T6225] el0_svc+0x78/0x1e0 [ 218.248629][ T6225] el0t_64_sync_handler+0xcc/0xe4 [ 218.249467][ T6225] el0t_64_sync+0x1a0/0x1a4 [ 218.251195][ T6225] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.253417][ T6225] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.384338][ T6227] loop1: detected capacity change from 0 to 32768 [ 218.391149][ T6227] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.392381][ T6227] CPU: 0 PID: 6227 Comm: syz.1.624 Not tainted syzkaller #0 [ 218.393436][ T6227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.395070][ T6227] Call trace: [ 218.395612][ T6227] dump_backtrace+0x0/0x43c [ 218.396306][ T6227] show_stack+0x2c/0x3c [ 218.396950][ T6227] __dump_stack+0x30/0x40 [ 218.397556][ T6227] dump_stack_lvl+0xf8/0x160 [ 218.398251][ T6227] dump_stack+0x1c/0x5c [ 218.398909][ T6227] sysfs_create_dir_ns+0x22c/0x24c [ 218.399777][ T6227] kobject_add_internal+0x590/0xc54 [ 218.400618][ T6227] kobject_init_and_add+0x118/0x17c [ 218.401414][ T6227] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.402156][ T6227] gfs2_fill_super+0xdac/0x19e0 [ 218.402923][ T6227] get_tree_bdev+0x358/0x544 [ 218.403626][ T6227] gfs2_get_tree+0x54/0x1b4 [ 218.404373][ T6227] vfs_get_tree+0x90/0x274 [ 218.405097][ T6227] do_new_mount+0x228/0x810 [ 218.405754][ T6227] path_mount+0x5b4/0x1000 [ 218.406436][ T6227] __arm64_sys_mount+0x514/0x5e4 [ 218.407192][ T6227] invoke_syscall+0x98/0x2b8 [ 218.407878][ T6227] el0_svc_common+0x138/0x258 [ 218.408665][ T6227] do_el0_svc+0x58/0x14c [ 218.409390][ T6227] el0_svc+0x78/0x1e0 [ 218.410053][ T6227] el0t_64_sync_handler+0xcc/0xe4 [ 218.410872][ T6227] el0t_64_sync+0x1a0/0x1a4 [ 218.413139][ T6227] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.415098][ T6227] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.550089][ T6229] loop1: detected capacity change from 0 to 32768 [ 218.557205][ T6229] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.558200][ T6229] CPU: 1 PID: 6229 Comm: syz.1.625 Not tainted syzkaller #0 [ 218.559227][ T6229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.560637][ T6229] Call trace: [ 218.561119][ T6229] dump_backtrace+0x0/0x43c [ 218.561824][ T6229] show_stack+0x2c/0x3c [ 218.562456][ T6229] __dump_stack+0x30/0x40 [ 218.563115][ T6229] dump_stack_lvl+0xf8/0x160 [ 218.563774][ T6229] dump_stack+0x1c/0x5c [ 218.564370][ T6229] sysfs_create_dir_ns+0x22c/0x24c [ 218.565173][ T6229] kobject_add_internal+0x590/0xc54 [ 218.565908][ T6229] kobject_init_and_add+0x118/0x17c [ 218.566670][ T6229] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.567342][ T6229] gfs2_fill_super+0xdac/0x19e0 [ 218.568013][ T6229] get_tree_bdev+0x358/0x544 [ 218.568738][ T6229] gfs2_get_tree+0x54/0x1b4 [ 218.569375][ T6229] vfs_get_tree+0x90/0x274 [ 218.570076][ T6229] do_new_mount+0x228/0x810 [ 218.570718][ T6229] path_mount+0x5b4/0x1000 [ 218.571402][ T6229] __arm64_sys_mount+0x514/0x5e4 [ 218.572178][ T6229] invoke_syscall+0x98/0x2b8 [ 218.572854][ T6229] el0_svc_common+0x138/0x258 [ 218.573499][ T6229] do_el0_svc+0x58/0x14c [ 218.574091][ T6229] el0_svc+0x78/0x1e0 [ 218.574664][ T6229] el0t_64_sync_handler+0xcc/0xe4 [ 218.575510][ T6229] el0t_64_sync+0x1a0/0x1a4 [ 218.577786][ T6229] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.579615][ T6229] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.708319][ T6231] loop1: detected capacity change from 0 to 32768 [ 218.756400][ T6231] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.757581][ T6231] CPU: 1 PID: 6231 Comm: syz.1.626 Not tainted syzkaller #0 [ 218.758693][ T6231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.760155][ T6231] Call trace: [ 218.760648][ T6231] dump_backtrace+0x0/0x43c [ 218.761316][ T6231] show_stack+0x2c/0x3c [ 218.762019][ T6231] __dump_stack+0x30/0x40 [ 218.762670][ T6231] dump_stack_lvl+0xf8/0x160 [ 218.763376][ T6231] dump_stack+0x1c/0x5c [ 218.764021][ T6231] sysfs_create_dir_ns+0x22c/0x24c [ 218.764808][ T6231] kobject_add_internal+0x590/0xc54 [ 218.765669][ T6231] kobject_init_and_add+0x118/0x17c [ 218.766474][ T6231] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.767186][ T6231] gfs2_fill_super+0xdac/0x19e0 [ 218.768022][ T6231] get_tree_bdev+0x358/0x544 [ 218.768769][ T6231] gfs2_get_tree+0x54/0x1b4 [ 218.769506][ T6231] vfs_get_tree+0x90/0x274 [ 218.770269][ T6231] do_new_mount+0x228/0x810 [ 218.770986][ T6231] path_mount+0x5b4/0x1000 [ 218.771685][ T6231] __arm64_sys_mount+0x514/0x5e4 [ 218.772433][ T6231] invoke_syscall+0x98/0x2b8 [ 218.773140][ T6231] el0_svc_common+0x138/0x258 [ 218.773861][ T6231] do_el0_svc+0x58/0x14c [ 218.774564][ T6231] el0_svc+0x78/0x1e0 [ 218.775213][ T6231] el0t_64_sync_handler+0xcc/0xe4 [ 218.775965][ T6231] el0t_64_sync+0x1a0/0x1a4 [ 218.778394][ T6231] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.780236][ T6231] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.914994][ T6233] loop1: detected capacity change from 0 to 32768 [ 218.993131][ T6233] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.994376][ T6233] CPU: 1 PID: 6233 Comm: syz.1.627 Not tainted syzkaller #0 [ 218.995550][ T6233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.997117][ T6233] Call trace: [ 218.997625][ T6233] dump_backtrace+0x0/0x43c [ 218.998262][ T6233] show_stack+0x2c/0x3c [ 218.998895][ T6233] __dump_stack+0x30/0x40 [ 218.999539][ T6233] dump_stack_lvl+0xf8/0x160 [ 219.000174][ T6233] dump_stack+0x1c/0x5c [ 219.000819][ T6233] sysfs_create_dir_ns+0x22c/0x24c [ 219.001576][ T6233] kobject_add_internal+0x590/0xc54 [ 219.002338][ T6233] kobject_init_and_add+0x118/0x17c [ 219.003116][ T6233] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.003887][ T6233] gfs2_fill_super+0xdac/0x19e0 [ 219.004672][ T6233] get_tree_bdev+0x358/0x544 [ 219.005391][ T6233] gfs2_get_tree+0x54/0x1b4 [ 219.006051][ T6233] vfs_get_tree+0x90/0x274 [ 219.006775][ T6233] do_new_mount+0x228/0x810 [ 219.007470][ T6233] path_mount+0x5b4/0x1000 [ 219.008106][ T6233] __arm64_sys_mount+0x514/0x5e4 [ 219.008858][ T6233] invoke_syscall+0x98/0x2b8 [ 219.009525][ T6233] el0_svc_common+0x138/0x258 [ 219.010229][ T6233] do_el0_svc+0x58/0x14c [ 219.010859][ T6233] el0_svc+0x78/0x1e0 [ 219.011457][ T6233] el0t_64_sync_handler+0xcc/0xe4 [ 219.012190][ T6233] el0t_64_sync+0x1a0/0x1a4 [ 219.015059][ T6233] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.017218][ T6233] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.192039][ T6235] loop1: detected capacity change from 0 to 32768 [ 219.201089][ T6235] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.202240][ T6235] CPU: 1 PID: 6235 Comm: syz.1.628 Not tainted syzkaller #0 [ 219.203298][ T6235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.204934][ T6235] Call trace: [ 219.205462][ T6235] dump_backtrace+0x0/0x43c [ 219.206450][ T6235] show_stack+0x2c/0x3c [ 219.207099][ T6235] __dump_stack+0x30/0x40 [ 219.207723][ T6235] dump_stack_lvl+0xf8/0x160 [ 219.208393][ T6235] dump_stack+0x1c/0x5c [ 219.208970][ T6235] sysfs_create_dir_ns+0x22c/0x24c [ 219.209706][ T6235] kobject_add_internal+0x590/0xc54 [ 219.210435][ T6235] kobject_init_and_add+0x118/0x17c [ 219.211234][ T6235] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.211951][ T6235] gfs2_fill_super+0xdac/0x19e0 [ 219.212711][ T6235] get_tree_bdev+0x358/0x544 [ 219.213421][ T6235] gfs2_get_tree+0x54/0x1b4 [ 219.214138][ T6235] vfs_get_tree+0x90/0x274 [ 219.214831][ T6235] do_new_mount+0x228/0x810 [ 219.215536][ T6235] path_mount+0x5b4/0x1000 [ 219.216239][ T6235] __arm64_sys_mount+0x514/0x5e4 [ 219.217044][ T6235] invoke_syscall+0x98/0x2b8 [ 219.217748][ T6235] el0_svc_common+0x138/0x258 [ 219.218430][ T6235] do_el0_svc+0x58/0x14c [ 219.219064][ T6235] el0_svc+0x78/0x1e0 [ 219.219602][ T6235] el0t_64_sync_handler+0xcc/0xe4 [ 219.220354][ T6235] el0t_64_sync+0x1a0/0x1a4 [ 219.235188][ T6235] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.237249][ T6235] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.369725][ T4661] Bluetooth: hci2: command 0x041b tx timeout [ 219.460875][ T6237] loop1: detected capacity change from 0 to 32768 [ 219.534669][ T6237] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.535872][ T6237] CPU: 1 PID: 6237 Comm: syz.1.629 Not tainted syzkaller #0 [ 219.537007][ T6237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.538598][ T6237] Call trace: [ 219.539143][ T6237] dump_backtrace+0x0/0x43c [ 219.539889][ T6237] show_stack+0x2c/0x3c [ 219.540588][ T6237] __dump_stack+0x30/0x40 [ 219.541252][ T6237] dump_stack_lvl+0xf8/0x160 [ 219.541950][ T6237] dump_stack+0x1c/0x5c [ 219.542612][ T6237] sysfs_create_dir_ns+0x22c/0x24c [ 219.543394][ T6237] kobject_add_internal+0x590/0xc54 [ 219.544130][ T6237] kobject_init_and_add+0x118/0x17c [ 219.544947][ T6237] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.545665][ T6237] gfs2_fill_super+0xdac/0x19e0 [ 219.546355][ T6237] get_tree_bdev+0x358/0x544 [ 219.547026][ T6237] gfs2_get_tree+0x54/0x1b4 [ 219.547739][ T6237] vfs_get_tree+0x90/0x274 [ 219.548483][ T6237] do_new_mount+0x228/0x810 [ 219.549190][ T6237] path_mount+0x5b4/0x1000 [ 219.549893][ T6237] __arm64_sys_mount+0x514/0x5e4 [ 219.550629][ T6237] invoke_syscall+0x98/0x2b8 [ 219.551385][ T6237] el0_svc_common+0x138/0x258 [ 219.552121][ T6237] do_el0_svc+0x58/0x14c [ 219.552790][ T6237] el0_svc+0x78/0x1e0 [ 219.553355][ T6237] el0t_64_sync_handler+0xcc/0xe4 [ 219.554099][ T6237] el0t_64_sync+0x1a0/0x1a4 [ 219.555241][ T6237] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.557440][ T6237] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.733386][ T6239] loop1: detected capacity change from 0 to 32768 [ 219.785850][ T6239] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.787093][ T6239] CPU: 1 PID: 6239 Comm: syz.1.630 Not tainted syzkaller #0 [ 219.788198][ T6239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.789805][ T6239] Call trace: [ 219.790356][ T6239] dump_backtrace+0x0/0x43c [ 219.791052][ T6239] show_stack+0x2c/0x3c [ 219.791757][ T6239] __dump_stack+0x30/0x40 [ 219.792497][ T6239] dump_stack_lvl+0xf8/0x160 [ 219.793215][ T6239] dump_stack+0x1c/0x5c [ 219.793899][ T6239] sysfs_create_dir_ns+0x22c/0x24c [ 219.794670][ T6239] kobject_add_internal+0x590/0xc54 [ 219.795506][ T6239] kobject_init_and_add+0x118/0x17c [ 219.796325][ T6239] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.797061][ T6239] gfs2_fill_super+0xdac/0x19e0 [ 219.797830][ T6239] get_tree_bdev+0x358/0x544 [ 219.798521][ T6239] gfs2_get_tree+0x54/0x1b4 [ 219.799250][ T6239] vfs_get_tree+0x90/0x274 [ 219.799923][ T6239] do_new_mount+0x228/0x810 [ 219.800607][ T6239] path_mount+0x5b4/0x1000 [ 219.801255][ T6239] __arm64_sys_mount+0x514/0x5e4 [ 219.802014][ T6239] invoke_syscall+0x98/0x2b8 [ 219.802662][ T6239] el0_svc_common+0x138/0x258 [ 219.803318][ T6239] do_el0_svc+0x58/0x14c [ 219.803939][ T6239] el0_svc+0x78/0x1e0 [ 219.804551][ T6239] el0t_64_sync_handler+0xcc/0xe4 [ 219.805258][ T6239] el0t_64_sync+0x1a0/0x1a4 [ 219.806048][ T6239] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.807939][ T6239] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:39 executed programs: 617 [ 219.944928][ T6241] loop1: detected capacity change from 0 to 32768 [ 219.990975][ T6241] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.992148][ T6241] CPU: 1 PID: 6241 Comm: syz.1.631 Not tainted syzkaller #0 [ 219.993308][ T6241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.994799][ T6241] Call trace: [ 219.995247][ T6241] dump_backtrace+0x0/0x43c [ 219.995973][ T6241] show_stack+0x2c/0x3c [ 219.996615][ T6241] __dump_stack+0x30/0x40 [ 219.997290][ T6241] dump_stack_lvl+0xf8/0x160 [ 219.997964][ T6241] dump_stack+0x1c/0x5c [ 219.998588][ T6241] sysfs_create_dir_ns+0x22c/0x24c [ 219.999328][ T6241] kobject_add_internal+0x590/0xc54 [ 220.000124][ T6241] kobject_init_and_add+0x118/0x17c [ 220.000955][ T6241] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.001772][ T6241] gfs2_fill_super+0xdac/0x19e0 [ 220.002531][ T6241] get_tree_bdev+0x358/0x544 [ 220.003255][ T6241] gfs2_get_tree+0x54/0x1b4 [ 220.003915][ T6241] vfs_get_tree+0x90/0x274 [ 220.004573][ T6241] do_new_mount+0x228/0x810 [ 220.005309][ T6241] path_mount+0x5b4/0x1000 [ 220.006076][ T6241] __arm64_sys_mount+0x514/0x5e4 [ 220.006872][ T6241] invoke_syscall+0x98/0x2b8 [ 220.007619][ T6241] el0_svc_common+0x138/0x258 [ 220.008342][ T6241] do_el0_svc+0x58/0x14c [ 220.009012][ T6241] el0_svc+0x78/0x1e0 [ 220.009619][ T6241] el0t_64_sync_handler+0xcc/0xe4 [ 220.010351][ T6241] el0t_64_sync+0x1a0/0x1a4 [ 220.012805][ T6241] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.014939][ T6241] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.144486][ T6243] loop1: detected capacity change from 0 to 32768 [ 220.224315][ T6243] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.225507][ T6243] CPU: 0 PID: 6243 Comm: syz.1.632 Not tainted syzkaller #0 [ 220.226608][ T6243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.228180][ T6243] Call trace: [ 220.228718][ T6243] dump_backtrace+0x0/0x43c [ 220.229415][ T6243] show_stack+0x2c/0x3c [ 220.230050][ T6243] __dump_stack+0x30/0x40 [ 220.230723][ T6243] dump_stack_lvl+0xf8/0x160 [ 220.231490][ T6243] dump_stack+0x1c/0x5c [ 220.232158][ T6243] sysfs_create_dir_ns+0x22c/0x24c [ 220.233038][ T6243] kobject_add_internal+0x590/0xc54 [ 220.233799][ T6243] kobject_init_and_add+0x118/0x17c [ 220.234672][ T6243] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.235482][ T6243] gfs2_fill_super+0xdac/0x19e0 [ 220.236240][ T6243] get_tree_bdev+0x358/0x544 [ 220.236957][ T6243] gfs2_get_tree+0x54/0x1b4 [ 220.237668][ T6243] vfs_get_tree+0x90/0x274 [ 220.238316][ T6243] do_new_mount+0x228/0x810 [ 220.239004][ T6243] path_mount+0x5b4/0x1000 [ 220.239687][ T6243] __arm64_sys_mount+0x514/0x5e4 [ 220.240504][ T6243] invoke_syscall+0x98/0x2b8 [ 220.241185][ T6243] el0_svc_common+0x138/0x258 [ 220.241873][ T6243] do_el0_svc+0x58/0x14c [ 220.242467][ T6243] el0_svc+0x78/0x1e0 [ 220.243103][ T6243] el0t_64_sync_handler+0xcc/0xe4 [ 220.243882][ T6243] el0t_64_sync+0x1a0/0x1a4 [ 220.244819][ T6243] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.246891][ T6243] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.375231][ T6245] loop1: detected capacity change from 0 to 32768 [ 220.432370][ T6245] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.433536][ T6245] CPU: 1 PID: 6245 Comm: syz.1.633 Not tainted syzkaller #0 [ 220.434609][ T6245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.436219][ T6245] Call trace: [ 220.436738][ T6245] dump_backtrace+0x0/0x43c [ 220.437431][ T6245] show_stack+0x2c/0x3c [ 220.438022][ T6245] __dump_stack+0x30/0x40 [ 220.438713][ T6245] dump_stack_lvl+0xf8/0x160 [ 220.439377][ T6245] dump_stack+0x1c/0x5c [ 220.440041][ T6245] sysfs_create_dir_ns+0x22c/0x24c [ 220.440874][ T6245] kobject_add_internal+0x590/0xc54 [ 220.441712][ T6245] kobject_init_and_add+0x118/0x17c [ 220.442495][ T6245] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.443193][ T6245] gfs2_fill_super+0xdac/0x19e0 [ 220.443887][ T6245] get_tree_bdev+0x358/0x544 [ 220.444596][ T6245] gfs2_get_tree+0x54/0x1b4 [ 220.445205][ T6245] vfs_get_tree+0x90/0x274 [ 220.445835][ T6245] do_new_mount+0x228/0x810 [ 220.446602][ T6245] path_mount+0x5b4/0x1000 [ 220.447330][ T6245] __arm64_sys_mount+0x514/0x5e4 [ 220.448050][ T6245] invoke_syscall+0x98/0x2b8 [ 220.448735][ T6245] el0_svc_common+0x138/0x258 [ 220.449434][ T6245] do_el0_svc+0x58/0x14c [ 220.450077][ T6245] el0_svc+0x78/0x1e0 [ 220.450641][ T6245] el0t_64_sync_handler+0xcc/0xe4 [ 220.451350][ T6245] el0t_64_sync+0x1a0/0x1a4 [ 220.453780][ T6245] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.455745][ T6245] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.642681][ T6247] loop1: detected capacity change from 0 to 32768 [ 220.706075][ T6247] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.707360][ T6247] CPU: 1 PID: 6247 Comm: syz.1.634 Not tainted syzkaller #0 [ 220.708341][ T6247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.709761][ T6247] Call trace: [ 220.710260][ T6247] dump_backtrace+0x0/0x43c [ 220.710972][ T6247] show_stack+0x2c/0x3c [ 220.711569][ T6247] __dump_stack+0x30/0x40 [ 220.712226][ T6247] dump_stack_lvl+0xf8/0x160 [ 220.712908][ T6247] dump_stack+0x1c/0x5c [ 220.713537][ T6247] sysfs_create_dir_ns+0x22c/0x24c [ 220.714337][ T6247] kobject_add_internal+0x590/0xc54 [ 220.715100][ T6247] kobject_init_and_add+0x118/0x17c [ 220.715905][ T6247] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.716567][ T6247] gfs2_fill_super+0xdac/0x19e0 [ 220.717361][ T6247] get_tree_bdev+0x358/0x544 [ 220.718073][ T6247] gfs2_get_tree+0x54/0x1b4 [ 220.718804][ T6247] vfs_get_tree+0x90/0x274 [ 220.719514][ T6247] do_new_mount+0x228/0x810 [ 220.720328][ T6247] path_mount+0x5b4/0x1000 [ 220.721025][ T6247] __arm64_sys_mount+0x514/0x5e4 [ 220.721885][ T6247] invoke_syscall+0x98/0x2b8 [ 220.722659][ T6247] el0_svc_common+0x138/0x258 [ 220.723452][ T6247] do_el0_svc+0x58/0x14c [ 220.724108][ T6247] el0_svc+0x78/0x1e0 [ 220.724772][ T6247] el0t_64_sync_handler+0xcc/0xe4 [ 220.725574][ T6247] el0t_64_sync+0x1a0/0x1a4 [ 220.727695][ T6247] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.729384][ T6247] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.864640][ T6249] loop1: detected capacity change from 0 to 32768 [ 220.944838][ T6249] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.946007][ T6249] CPU: 1 PID: 6249 Comm: syz.1.635 Not tainted syzkaller #0 [ 220.947136][ T6249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.948630][ T6249] Call trace: [ 220.949128][ T6249] dump_backtrace+0x0/0x43c [ 220.949810][ T6249] show_stack+0x2c/0x3c [ 220.950494][ T6249] __dump_stack+0x30/0x40 [ 220.951186][ T6249] dump_stack_lvl+0xf8/0x160 [ 220.951924][ T6249] dump_stack+0x1c/0x5c [ 220.952574][ T6249] sysfs_create_dir_ns+0x22c/0x24c [ 220.953354][ T6249] kobject_add_internal+0x590/0xc54 [ 220.954164][ T6249] kobject_init_and_add+0x118/0x17c [ 220.954902][ T6249] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.955642][ T6249] gfs2_fill_super+0xdac/0x19e0 [ 220.956297][ T6249] get_tree_bdev+0x358/0x544 [ 220.957037][ T6249] gfs2_get_tree+0x54/0x1b4 [ 220.957738][ T6249] vfs_get_tree+0x90/0x274 [ 220.958452][ T6249] do_new_mount+0x228/0x810 [ 220.959164][ T6249] path_mount+0x5b4/0x1000 [ 220.959876][ T6249] __arm64_sys_mount+0x514/0x5e4 [ 220.960700][ T6249] invoke_syscall+0x98/0x2b8 [ 220.961437][ T6249] el0_svc_common+0x138/0x258 [ 220.962168][ T6249] do_el0_svc+0x58/0x14c [ 220.962837][ T6249] el0_svc+0x78/0x1e0 [ 220.963466][ T6249] el0t_64_sync_handler+0xcc/0xe4 [ 220.964181][ T6249] el0t_64_sync+0x1a0/0x1a4 [ 220.966333][ T6249] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.968249][ T6249] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.103734][ T6251] loop1: detected capacity change from 0 to 32768 [ 221.150909][ T6251] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.152012][ T6251] CPU: 1 PID: 6251 Comm: syz.1.636 Not tainted syzkaller #0 [ 221.153138][ T6251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.154604][ T6251] Call trace: [ 221.155128][ T6251] dump_backtrace+0x0/0x43c [ 221.155797][ T6251] show_stack+0x2c/0x3c [ 221.156459][ T6251] __dump_stack+0x30/0x40 [ 221.157096][ T6251] dump_stack_lvl+0xf8/0x160 [ 221.157797][ T6251] dump_stack+0x1c/0x5c [ 221.158493][ T6251] sysfs_create_dir_ns+0x22c/0x24c [ 221.159361][ T6251] kobject_add_internal+0x590/0xc54 [ 221.160233][ T6251] kobject_init_and_add+0x118/0x17c [ 221.161098][ T6251] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.161862][ T6251] gfs2_fill_super+0xdac/0x19e0 [ 221.162629][ T6251] get_tree_bdev+0x358/0x544 [ 221.163353][ T6251] gfs2_get_tree+0x54/0x1b4 [ 221.164112][ T6251] vfs_get_tree+0x90/0x274 [ 221.164838][ T6251] do_new_mount+0x228/0x810 [ 221.165597][ T6251] path_mount+0x5b4/0x1000 [ 221.166291][ T6251] __arm64_sys_mount+0x514/0x5e4 [ 221.167029][ T6251] invoke_syscall+0x98/0x2b8 [ 221.167809][ T6251] el0_svc_common+0x138/0x258 [ 221.168545][ T6251] do_el0_svc+0x58/0x14c [ 221.169256][ T6251] el0_svc+0x78/0x1e0 [ 221.169931][ T6251] el0t_64_sync_handler+0xcc/0xe4 [ 221.170757][ T6251] el0t_64_sync+0x1a0/0x1a4 [ 221.172493][ T6251] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.174284][ T6251] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.306124][ T6253] loop1: detected capacity change from 0 to 32768 [ 221.313271][ T6253] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.314528][ T6253] CPU: 0 PID: 6253 Comm: syz.1.637 Not tainted syzkaller #0 [ 221.315584][ T6253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.317015][ T6253] Call trace: [ 221.317480][ T6253] dump_backtrace+0x0/0x43c [ 221.318150][ T6253] show_stack+0x2c/0x3c [ 221.318726][ T6253] __dump_stack+0x30/0x40 [ 221.319385][ T6253] dump_stack_lvl+0xf8/0x160 [ 221.320069][ T6253] dump_stack+0x1c/0x5c [ 221.320680][ T6253] sysfs_create_dir_ns+0x22c/0x24c [ 221.321434][ T6253] kobject_add_internal+0x590/0xc54 [ 221.322195][ T6253] kobject_init_and_add+0x118/0x17c [ 221.322921][ T6253] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.323643][ T6253] gfs2_fill_super+0xdac/0x19e0 [ 221.324374][ T6253] get_tree_bdev+0x358/0x544 [ 221.325064][ T6253] gfs2_get_tree+0x54/0x1b4 [ 221.325812][ T6253] vfs_get_tree+0x90/0x274 [ 221.326457][ T6253] do_new_mount+0x228/0x810 [ 221.327097][ T6253] path_mount+0x5b4/0x1000 [ 221.327754][ T6253] __arm64_sys_mount+0x514/0x5e4 [ 221.328481][ T6253] invoke_syscall+0x98/0x2b8 [ 221.329172][ T6253] el0_svc_common+0x138/0x258 [ 221.329882][ T6253] do_el0_svc+0x58/0x14c [ 221.330548][ T6253] el0_svc+0x78/0x1e0 [ 221.331178][ T6253] el0t_64_sync_handler+0xcc/0xe4 [ 221.331984][ T6253] el0t_64_sync+0x1a0/0x1a4 [ 221.332917][ T6253] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.334934][ T6253] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.449697][ T4661] Bluetooth: hci2: command 0x040f tx timeout [ 221.472012][ T6255] loop1: detected capacity change from 0 to 32768 [ 221.478354][ T6255] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.479468][ T6255] CPU: 1 PID: 6255 Comm: syz.1.638 Not tainted syzkaller #0 [ 221.480468][ T6255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.481908][ T6255] Call trace: [ 221.482385][ T6255] dump_backtrace+0x0/0x43c [ 221.483055][ T6255] show_stack+0x2c/0x3c [ 221.483761][ T6255] __dump_stack+0x30/0x40 [ 221.484467][ T6255] dump_stack_lvl+0xf8/0x160 [ 221.485141][ T6255] dump_stack+0x1c/0x5c [ 221.485736][ T6255] sysfs_create_dir_ns+0x22c/0x24c [ 221.486473][ T6255] kobject_add_internal+0x590/0xc54 [ 221.487324][ T6255] kobject_init_and_add+0x118/0x17c [ 221.488108][ T6255] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.488838][ T6255] gfs2_fill_super+0xdac/0x19e0 [ 221.489655][ T6255] get_tree_bdev+0x358/0x544 [ 221.490417][ T6255] gfs2_get_tree+0x54/0x1b4 [ 221.491091][ T6255] vfs_get_tree+0x90/0x274 [ 221.491745][ T6255] do_new_mount+0x228/0x810 [ 221.492385][ T6255] path_mount+0x5b4/0x1000 [ 221.493037][ T6255] __arm64_sys_mount+0x514/0x5e4 [ 221.493759][ T6255] invoke_syscall+0x98/0x2b8 [ 221.494380][ T6255] el0_svc_common+0x138/0x258 [ 221.495023][ T6255] do_el0_svc+0x58/0x14c [ 221.495703][ T6255] el0_svc+0x78/0x1e0 [ 221.496276][ T6255] el0t_64_sync_handler+0xcc/0xe4 [ 221.497010][ T6255] el0t_64_sync+0x1a0/0x1a4 [ 221.497802][ T6255] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.499755][ T6255] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.635591][ T6257] loop1: detected capacity change from 0 to 32768 [ 221.673193][ T6257] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.674378][ T6257] CPU: 1 PID: 6257 Comm: syz.1.639 Not tainted syzkaller #0 [ 221.675419][ T6257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.676851][ T6257] Call trace: [ 221.677326][ T6257] dump_backtrace+0x0/0x43c [ 221.677995][ T6257] show_stack+0x2c/0x3c [ 221.678624][ T6257] __dump_stack+0x30/0x40 [ 221.679278][ T6257] dump_stack_lvl+0xf8/0x160 [ 221.679919][ T6257] dump_stack+0x1c/0x5c [ 221.680530][ T6257] sysfs_create_dir_ns+0x22c/0x24c [ 221.681267][ T6257] kobject_add_internal+0x590/0xc54 [ 221.682037][ T6257] kobject_init_and_add+0x118/0x17c [ 221.682767][ T6257] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.683477][ T6257] gfs2_fill_super+0xdac/0x19e0 [ 221.684132][ T6257] get_tree_bdev+0x358/0x544 [ 221.684813][ T6257] gfs2_get_tree+0x54/0x1b4 [ 221.685492][ T6257] vfs_get_tree+0x90/0x274 [ 221.686210][ T6257] do_new_mount+0x228/0x810 [ 221.686967][ T6257] path_mount+0x5b4/0x1000 [ 221.687699][ T6257] __arm64_sys_mount+0x514/0x5e4 [ 221.688449][ T6257] invoke_syscall+0x98/0x2b8 [ 221.689187][ T6257] el0_svc_common+0x138/0x258 [ 221.689869][ T6257] do_el0_svc+0x58/0x14c [ 221.690547][ T6257] el0_svc+0x78/0x1e0 [ 221.691202][ T6257] el0t_64_sync_handler+0xcc/0xe4 [ 221.691990][ T6257] el0t_64_sync+0x1a0/0x1a4 [ 221.694030][ T6257] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.695922][ T6257] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.866491][ T6259] loop1: detected capacity change from 0 to 32768 [ 221.873706][ T6259] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.874743][ T6259] CPU: 1 PID: 6259 Comm: syz.1.640 Not tainted syzkaller #0 [ 221.875862][ T6259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.877459][ T6259] Call trace: [ 221.878008][ T6259] dump_backtrace+0x0/0x43c [ 221.878713][ T6259] show_stack+0x2c/0x3c [ 221.879350][ T6259] __dump_stack+0x30/0x40 [ 221.880062][ T6259] dump_stack_lvl+0xf8/0x160 [ 221.880753][ T6259] dump_stack+0x1c/0x5c [ 221.881407][ T6259] sysfs_create_dir_ns+0x22c/0x24c [ 221.882198][ T6259] kobject_add_internal+0x590/0xc54 [ 221.882984][ T6259] kobject_init_and_add+0x118/0x17c [ 221.883895][ T6259] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.884666][ T6259] gfs2_fill_super+0xdac/0x19e0 [ 221.885353][ T6259] get_tree_bdev+0x358/0x544 [ 221.886049][ T6259] gfs2_get_tree+0x54/0x1b4 [ 221.886687][ T6259] vfs_get_tree+0x90/0x274 [ 221.887283][ T6259] do_new_mount+0x228/0x810 [ 221.887902][ T6259] path_mount+0x5b4/0x1000 [ 221.888544][ T6259] __arm64_sys_mount+0x514/0x5e4 [ 221.889273][ T6259] invoke_syscall+0x98/0x2b8 [ 221.889925][ T6259] el0_svc_common+0x138/0x258 [ 221.890571][ T6259] do_el0_svc+0x58/0x14c [ 221.891209][ T6259] el0_svc+0x78/0x1e0 [ 221.891852][ T6259] el0t_64_sync_handler+0xcc/0xe4 [ 221.892594][ T6259] el0t_64_sync+0x1a0/0x1a4 [ 221.894738][ T6259] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.896392][ T6259] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.027778][ T6261] loop1: detected capacity change from 0 to 32768 [ 222.074500][ T6261] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.075652][ T6261] CPU: 1 PID: 6261 Comm: syz.1.641 Not tainted syzkaller #0 [ 222.076792][ T6261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.078420][ T6261] Call trace: [ 222.078936][ T6261] dump_backtrace+0x0/0x43c [ 222.079702][ T6261] show_stack+0x2c/0x3c [ 222.080360][ T6261] __dump_stack+0x30/0x40 [ 222.081021][ T6261] dump_stack_lvl+0xf8/0x160 [ 222.081712][ T6261] dump_stack+0x1c/0x5c [ 222.082317][ T6261] sysfs_create_dir_ns+0x22c/0x24c [ 222.083049][ T6261] kobject_add_internal+0x590/0xc54 [ 222.083841][ T6261] kobject_init_and_add+0x118/0x17c [ 222.084639][ T6261] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.085392][ T6261] gfs2_fill_super+0xdac/0x19e0 [ 222.086134][ T6261] get_tree_bdev+0x358/0x544 [ 222.086840][ T6261] gfs2_get_tree+0x54/0x1b4 [ 222.087523][ T6261] vfs_get_tree+0x90/0x274 [ 222.088238][ T6261] do_new_mount+0x228/0x810 [ 222.088945][ T6261] path_mount+0x5b4/0x1000 [ 222.089643][ T6261] __arm64_sys_mount+0x514/0x5e4 [ 222.090436][ T6261] invoke_syscall+0x98/0x2b8 [ 222.091148][ T6261] el0_svc_common+0x138/0x258 [ 222.091821][ T6261] do_el0_svc+0x58/0x14c [ 222.092481][ T6261] el0_svc+0x78/0x1e0 [ 222.093049][ T6261] el0t_64_sync_handler+0xcc/0xe4 [ 222.093847][ T6261] el0t_64_sync+0x1a0/0x1a4 [ 222.096984][ T6261] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.098959][ T6261] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.229508][ T6263] loop1: detected capacity change from 0 to 32768 [ 222.232471][ T6263] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.233647][ T6263] CPU: 0 PID: 6263 Comm: syz.1.642 Not tainted syzkaller #0 [ 222.234811][ T6263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.236454][ T6263] Call trace: [ 222.237007][ T6263] dump_backtrace+0x0/0x43c [ 222.237733][ T6263] show_stack+0x2c/0x3c [ 222.238385][ T6263] __dump_stack+0x30/0x40 [ 222.238991][ T6263] dump_stack_lvl+0xf8/0x160 [ 222.239691][ T6263] dump_stack+0x1c/0x5c [ 222.240405][ T6263] sysfs_create_dir_ns+0x22c/0x24c [ 222.241269][ T6263] kobject_add_internal+0x590/0xc54 [ 222.242071][ T6263] kobject_init_and_add+0x118/0x17c [ 222.242893][ T6263] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.243602][ T6263] gfs2_fill_super+0xdac/0x19e0 [ 222.244355][ T6263] get_tree_bdev+0x358/0x544 [ 222.245104][ T6263] gfs2_get_tree+0x54/0x1b4 [ 222.245794][ T6263] vfs_get_tree+0x90/0x274 [ 222.246420][ T6263] do_new_mount+0x228/0x810 [ 222.247051][ T6263] path_mount+0x5b4/0x1000 [ 222.247749][ T6263] __arm64_sys_mount+0x514/0x5e4 [ 222.248492][ T6263] invoke_syscall+0x98/0x2b8 [ 222.249137][ T6263] el0_svc_common+0x138/0x258 [ 222.249795][ T6263] do_el0_svc+0x58/0x14c [ 222.250464][ T6263] el0_svc+0x78/0x1e0 [ 222.251074][ T6263] el0t_64_sync_handler+0xcc/0xe4 [ 222.251908][ T6263] el0t_64_sync+0x1a0/0x1a4 [ 222.254416][ T6263] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.256398][ T6263] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.392137][ T6265] loop1: detected capacity change from 0 to 32768 [ 222.399066][ T6265] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.400451][ T6265] CPU: 0 PID: 6265 Comm: syz.1.643 Not tainted syzkaller #0 [ 222.401615][ T6265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.403048][ T6265] Call trace: [ 222.403535][ T6265] dump_backtrace+0x0/0x43c [ 222.404236][ T6265] show_stack+0x2c/0x3c [ 222.404835][ T6265] __dump_stack+0x30/0x40 [ 222.405572][ T6265] dump_stack_lvl+0xf8/0x160 [ 222.406313][ T6265] dump_stack+0x1c/0x5c [ 222.406997][ T6265] sysfs_create_dir_ns+0x22c/0x24c [ 222.407883][ T6265] kobject_add_internal+0x590/0xc54 [ 222.408649][ T6265] kobject_init_and_add+0x118/0x17c [ 222.409538][ T6265] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.410298][ T6265] gfs2_fill_super+0xdac/0x19e0 [ 222.411067][ T6265] get_tree_bdev+0x358/0x544 [ 222.411840][ T6265] gfs2_get_tree+0x54/0x1b4 [ 222.412571][ T6265] vfs_get_tree+0x90/0x274 [ 222.413307][ T6265] do_new_mount+0x228/0x810 [ 222.414063][ T6265] path_mount+0x5b4/0x1000 [ 222.414733][ T6265] __arm64_sys_mount+0x514/0x5e4 [ 222.415534][ T6265] invoke_syscall+0x98/0x2b8 [ 222.416318][ T6265] el0_svc_common+0x138/0x258 [ 222.417031][ T6265] do_el0_svc+0x58/0x14c [ 222.417696][ T6265] el0_svc+0x78/0x1e0 [ 222.418305][ T6265] el0t_64_sync_handler+0xcc/0xe4 [ 222.419066][ T6265] el0t_64_sync+0x1a0/0x1a4 [ 222.419913][ T6265] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.421984][ T6265] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.554051][ T6267] loop1: detected capacity change from 0 to 32768 [ 222.651222][ T6267] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.652556][ T6267] CPU: 1 PID: 6267 Comm: syz.1.644 Not tainted syzkaller #0 [ 222.653646][ T6267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.655081][ T6267] Call trace: [ 222.655538][ T6267] dump_backtrace+0x0/0x43c [ 222.656194][ T6267] show_stack+0x2c/0x3c [ 222.656771][ T6267] __dump_stack+0x30/0x40 [ 222.657375][ T6267] dump_stack_lvl+0xf8/0x160 [ 222.657969][ T6267] dump_stack+0x1c/0x5c [ 222.658541][ T6267] sysfs_create_dir_ns+0x22c/0x24c [ 222.659265][ T6267] kobject_add_internal+0x590/0xc54 [ 222.659979][ T6267] kobject_init_and_add+0x118/0x17c [ 222.660788][ T6267] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.661498][ T6267] gfs2_fill_super+0xdac/0x19e0 [ 222.662227][ T6267] get_tree_bdev+0x358/0x544 [ 222.662895][ T6267] gfs2_get_tree+0x54/0x1b4 [ 222.663525][ T6267] vfs_get_tree+0x90/0x274 [ 222.664195][ T6267] do_new_mount+0x228/0x810 [ 222.664904][ T6267] path_mount+0x5b4/0x1000 [ 222.665571][ T6267] __arm64_sys_mount+0x514/0x5e4 [ 222.666317][ T6267] invoke_syscall+0x98/0x2b8 [ 222.666991][ T6267] el0_svc_common+0x138/0x258 [ 222.667674][ T6267] do_el0_svc+0x58/0x14c [ 222.668305][ T6267] el0_svc+0x78/0x1e0 [ 222.668935][ T6267] el0t_64_sync_handler+0xcc/0xe4 [ 222.669665][ T6267] el0t_64_sync+0x1a0/0x1a4 [ 222.672173][ T6267] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.674134][ T6267] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.895899][ T6269] loop1: detected capacity change from 0 to 32768 [ 222.971917][ T6269] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.973181][ T6269] CPU: 1 PID: 6269 Comm: syz.1.645 Not tainted syzkaller #0 [ 222.974162][ T6269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.975645][ T6269] Call trace: [ 222.976111][ T6269] dump_backtrace+0x0/0x43c [ 222.976804][ T6269] show_stack+0x2c/0x3c [ 222.977386][ T6269] __dump_stack+0x30/0x40 [ 222.977999][ T6269] dump_stack_lvl+0xf8/0x160 [ 222.978718][ T6269] dump_stack+0x1c/0x5c [ 222.979354][ T6269] sysfs_create_dir_ns+0x22c/0x24c [ 222.980079][ T6269] kobject_add_internal+0x590/0xc54 [ 222.980826][ T6269] kobject_init_and_add+0x118/0x17c [ 222.981623][ T6269] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.982319][ T6269] gfs2_fill_super+0xdac/0x19e0 [ 222.983099][ T6269] get_tree_bdev+0x358/0x544 [ 222.983778][ T6269] gfs2_get_tree+0x54/0x1b4 [ 222.984474][ T6269] vfs_get_tree+0x90/0x274 [ 222.985147][ T6269] do_new_mount+0x228/0x810 [ 222.985879][ T6269] path_mount+0x5b4/0x1000 [ 222.986638][ T6269] __arm64_sys_mount+0x514/0x5e4 [ 222.987447][ T6269] invoke_syscall+0x98/0x2b8 [ 222.988148][ T6269] el0_svc_common+0x138/0x258 [ 222.988889][ T6269] do_el0_svc+0x58/0x14c [ 222.989524][ T6269] el0_svc+0x78/0x1e0 [ 222.990141][ T6269] el0t_64_sync_handler+0xcc/0xe4 [ 222.990913][ T6269] el0t_64_sync+0x1a0/0x1a4 [ 222.992987][ T6269] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.994998][ T6269] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.124795][ T6271] loop1: detected capacity change from 0 to 32768 [ 223.132115][ T6271] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.133220][ T6271] CPU: 0 PID: 6271 Comm: syz.1.646 Not tainted syzkaller #0 [ 223.134354][ T6271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.135891][ T6271] Call trace: [ 223.136366][ T6271] dump_backtrace+0x0/0x43c [ 223.137014][ T6271] show_stack+0x2c/0x3c [ 223.137659][ T6271] __dump_stack+0x30/0x40 [ 223.138313][ T6271] dump_stack_lvl+0xf8/0x160 [ 223.139087][ T6271] dump_stack+0x1c/0x5c [ 223.139770][ T6271] sysfs_create_dir_ns+0x22c/0x24c [ 223.140625][ T6271] kobject_add_internal+0x590/0xc54 [ 223.141517][ T6271] kobject_init_and_add+0x118/0x17c [ 223.142396][ T6271] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.143147][ T6271] gfs2_fill_super+0xdac/0x19e0 [ 223.143936][ T6271] get_tree_bdev+0x358/0x544 [ 223.144609][ T6271] gfs2_get_tree+0x54/0x1b4 [ 223.145281][ T6271] vfs_get_tree+0x90/0x274 [ 223.145967][ T6271] do_new_mount+0x228/0x810 [ 223.146626][ T6271] path_mount+0x5b4/0x1000 [ 223.147290][ T6271] __arm64_sys_mount+0x514/0x5e4 [ 223.148043][ T6271] invoke_syscall+0x98/0x2b8 [ 223.148820][ T6271] el0_svc_common+0x138/0x258 [ 223.149521][ T6271] do_el0_svc+0x58/0x14c [ 223.150169][ T6271] el0_svc+0x78/0x1e0 [ 223.150711][ T6271] el0t_64_sync_handler+0xcc/0xe4 [ 223.151410][ T6271] el0t_64_sync+0x1a0/0x1a4 [ 223.152703][ T6271] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.154691][ T6271] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.283226][ T6273] loop1: detected capacity change from 0 to 32768 [ 223.330922][ T6273] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.332041][ T6273] CPU: 0 PID: 6273 Comm: syz.1.647 Not tainted syzkaller #0 [ 223.333172][ T6273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.334799][ T6273] Call trace: [ 223.335360][ T6273] dump_backtrace+0x0/0x43c [ 223.336097][ T6273] show_stack+0x2c/0x3c [ 223.336787][ T6273] __dump_stack+0x30/0x40 [ 223.337454][ T6273] dump_stack_lvl+0xf8/0x160 [ 223.338195][ T6273] dump_stack+0x1c/0x5c [ 223.338896][ T6273] sysfs_create_dir_ns+0x22c/0x24c [ 223.339726][ T6273] kobject_add_internal+0x590/0xc54 [ 223.340572][ T6273] kobject_init_and_add+0x118/0x17c [ 223.341398][ T6273] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.342168][ T6273] gfs2_fill_super+0xdac/0x19e0 [ 223.342929][ T6273] get_tree_bdev+0x358/0x544 [ 223.343648][ T6273] gfs2_get_tree+0x54/0x1b4 [ 223.344335][ T6273] vfs_get_tree+0x90/0x274 [ 223.344968][ T6273] do_new_mount+0x228/0x810 [ 223.345655][ T6273] path_mount+0x5b4/0x1000 [ 223.346404][ T6273] __arm64_sys_mount+0x514/0x5e4 [ 223.347183][ T6273] invoke_syscall+0x98/0x2b8 [ 223.347938][ T6273] el0_svc_common+0x138/0x258 [ 223.348708][ T6273] do_el0_svc+0x58/0x14c [ 223.349306][ T6273] el0_svc+0x78/0x1e0 [ 223.349909][ T6273] el0t_64_sync_handler+0xcc/0xe4 [ 223.350603][ T6273] el0t_64_sync+0x1a0/0x1a4 [ 223.351660][ T6273] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.353602][ T6273] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.515960][ T6275] loop1: detected capacity change from 0 to 32768 [ 223.529711][ T4661] Bluetooth: hci2: command 0x0419 tx timeout [ 223.614493][ T6275] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.615534][ T6275] CPU: 0 PID: 6275 Comm: syz.1.648 Not tainted syzkaller #0 [ 223.616600][ T6275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.618040][ T6275] Call trace: [ 223.618554][ T6275] dump_backtrace+0x0/0x43c [ 223.619286][ T6275] show_stack+0x2c/0x3c [ 223.619943][ T6275] __dump_stack+0x30/0x40 [ 223.620638][ T6275] dump_stack_lvl+0xf8/0x160 [ 223.621392][ T6275] dump_stack+0x1c/0x5c [ 223.622075][ T6275] sysfs_create_dir_ns+0x22c/0x24c [ 223.622860][ T6275] kobject_add_internal+0x590/0xc54 [ 223.623706][ T6275] kobject_init_and_add+0x118/0x17c [ 223.624580][ T6275] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.625297][ T6275] gfs2_fill_super+0xdac/0x19e0 [ 223.626084][ T6275] get_tree_bdev+0x358/0x544 [ 223.626854][ T6275] gfs2_get_tree+0x54/0x1b4 [ 223.627570][ T6275] vfs_get_tree+0x90/0x274 [ 223.628284][ T6275] do_new_mount+0x228/0x810 [ 223.628982][ T6275] path_mount+0x5b4/0x1000 [ 223.629635][ T6275] __arm64_sys_mount+0x514/0x5e4 [ 223.630399][ T6275] invoke_syscall+0x98/0x2b8 [ 223.631078][ T6275] el0_svc_common+0x138/0x258 [ 223.631786][ T6275] do_el0_svc+0x58/0x14c [ 223.632497][ T6275] el0_svc+0x78/0x1e0 [ 223.633167][ T6275] el0t_64_sync_handler+0xcc/0xe4 [ 223.633949][ T6275] el0t_64_sync+0x1a0/0x1a4 [ 223.636140][ T6275] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.638027][ T6275] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.765124][ T6277] loop1: detected capacity change from 0 to 32768 [ 223.861981][ T6277] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.863172][ T6277] CPU: 1 PID: 6277 Comm: syz.1.649 Not tainted syzkaller #0 [ 223.864339][ T6277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.865885][ T6277] Call trace: [ 223.866337][ T6277] dump_backtrace+0x0/0x43c [ 223.866992][ T6277] show_stack+0x2c/0x3c [ 223.867595][ T6277] __dump_stack+0x30/0x40 [ 223.868260][ T6277] dump_stack_lvl+0xf8/0x160 [ 223.868997][ T6277] dump_stack+0x1c/0x5c [ 223.869625][ T6277] sysfs_create_dir_ns+0x22c/0x24c [ 223.870449][ T6277] kobject_add_internal+0x590/0xc54 [ 223.871244][ T6277] kobject_init_and_add+0x118/0x17c [ 223.872080][ T6277] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.872840][ T6277] gfs2_fill_super+0xdac/0x19e0 [ 223.873506][ T6277] get_tree_bdev+0x358/0x544 [ 223.874275][ T6277] gfs2_get_tree+0x54/0x1b4 [ 223.874971][ T6277] vfs_get_tree+0x90/0x274 [ 223.875590][ T6277] do_new_mount+0x228/0x810 [ 223.876308][ T6277] path_mount+0x5b4/0x1000 [ 223.876987][ T6277] __arm64_sys_mount+0x514/0x5e4 [ 223.877850][ T6277] invoke_syscall+0x98/0x2b8 [ 223.878539][ T6277] el0_svc_common+0x138/0x258 [ 223.879285][ T6277] do_el0_svc+0x58/0x14c [ 223.879972][ T6277] el0_svc+0x78/0x1e0 [ 223.880640][ T6277] el0t_64_sync_handler+0xcc/0xe4 [ 223.881470][ T6277] el0t_64_sync+0x1a0/0x1a4 [ 223.883884][ T6277] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.885747][ T6277] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.014220][ T6279] loop1: detected capacity change from 0 to 32768 [ 224.095124][ T6279] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.096327][ T6279] CPU: 0 PID: 6279 Comm: syz.1.650 Not tainted syzkaller #0 [ 224.097376][ T6279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.098837][ T6279] Call trace: [ 224.099359][ T6279] dump_backtrace+0x0/0x43c [ 224.100145][ T6279] show_stack+0x2c/0x3c [ 224.100826][ T6279] __dump_stack+0x30/0x40 [ 224.101541][ T6279] dump_stack_lvl+0xf8/0x160 [ 224.102231][ T6279] dump_stack+0x1c/0x5c [ 224.102855][ T6279] sysfs_create_dir_ns+0x22c/0x24c [ 224.103564][ T6279] kobject_add_internal+0x590/0xc54 [ 224.104413][ T6279] kobject_init_and_add+0x118/0x17c [ 224.105184][ T6279] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.105848][ T6279] gfs2_fill_super+0xdac/0x19e0 [ 224.106580][ T6279] get_tree_bdev+0x358/0x544 [ 224.107340][ T6279] gfs2_get_tree+0x54/0x1b4 [ 224.108376][ T6279] vfs_get_tree+0x90/0x274 [ 224.109044][ T6279] do_new_mount+0x228/0x810 [ 224.109687][ T6279] path_mount+0x5b4/0x1000 [ 224.110343][ T6279] __arm64_sys_mount+0x514/0x5e4 [ 224.111124][ T6279] invoke_syscall+0x98/0x2b8 [ 224.111824][ T6279] el0_svc_common+0x138/0x258 [ 224.112467][ T6279] do_el0_svc+0x58/0x14c [ 224.113047][ T6279] el0_svc+0x78/0x1e0 [ 224.113694][ T6279] el0t_64_sync_handler+0xcc/0xe4 [ 224.114429][ T6279] el0t_64_sync+0x1a0/0x1a4 [ 224.115693][ T6279] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.117685][ T6279] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.283049][ T6281] loop1: detected capacity change from 0 to 32768 [ 224.320883][ T6281] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.321999][ T6281] CPU: 0 PID: 6281 Comm: syz.1.651 Not tainted syzkaller #0 [ 224.323129][ T6281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.324709][ T6281] Call trace: [ 224.325228][ T6281] dump_backtrace+0x0/0x43c [ 224.325953][ T6281] show_stack+0x2c/0x3c [ 224.326599][ T6281] __dump_stack+0x30/0x40 [ 224.327301][ T6281] dump_stack_lvl+0xf8/0x160 [ 224.327995][ T6281] dump_stack+0x1c/0x5c [ 224.328625][ T6281] sysfs_create_dir_ns+0x22c/0x24c [ 224.329399][ T6281] kobject_add_internal+0x590/0xc54 [ 224.330211][ T6281] kobject_init_and_add+0x118/0x17c [ 224.331065][ T6281] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.331829][ T6281] gfs2_fill_super+0xdac/0x19e0 [ 224.332586][ T6281] get_tree_bdev+0x358/0x544 [ 224.333291][ T6281] gfs2_get_tree+0x54/0x1b4 [ 224.334034][ T6281] vfs_get_tree+0x90/0x274 [ 224.334713][ T6281] do_new_mount+0x228/0x810 [ 224.335392][ T6281] path_mount+0x5b4/0x1000 [ 224.336096][ T6281] __arm64_sys_mount+0x514/0x5e4 [ 224.336894][ T6281] invoke_syscall+0x98/0x2b8 [ 224.337652][ T6281] el0_svc_common+0x138/0x258 [ 224.338365][ T6281] do_el0_svc+0x58/0x14c [ 224.339124][ T6281] el0_svc+0x78/0x1e0 [ 224.339764][ T6281] el0t_64_sync_handler+0xcc/0xe4 [ 224.340598][ T6281] el0t_64_sync+0x1a0/0x1a4 [ 224.341920][ T6281] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.343828][ T6281] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.478789][ T6283] loop1: detected capacity change from 0 to 32768 [ 224.537928][ T6283] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.539218][ T6283] CPU: 0 PID: 6283 Comm: syz.1.652 Not tainted syzkaller #0 [ 224.540404][ T6283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.542180][ T6283] Call trace: [ 224.542695][ T6283] dump_backtrace+0x0/0x43c [ 224.543479][ T6283] show_stack+0x2c/0x3c [ 224.544205][ T6283] __dump_stack+0x30/0x40 [ 224.544910][ T6283] dump_stack_lvl+0xf8/0x160 [ 224.545653][ T6283] dump_stack+0x1c/0x5c [ 224.546274][ T6283] sysfs_create_dir_ns+0x22c/0x24c [ 224.547140][ T6283] kobject_add_internal+0x590/0xc54 [ 224.548013][ T6283] kobject_init_and_add+0x118/0x17c [ 224.548799][ T6283] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.549536][ T6283] gfs2_fill_super+0xdac/0x19e0 [ 224.550330][ T6283] get_tree_bdev+0x358/0x544 [ 224.551047][ T6283] gfs2_get_tree+0x54/0x1b4 [ 224.551700][ T6283] vfs_get_tree+0x90/0x274 [ 224.552356][ T6283] do_new_mount+0x228/0x810 [ 224.552989][ T6283] path_mount+0x5b4/0x1000 [ 224.553626][ T6283] __arm64_sys_mount+0x514/0x5e4 [ 224.554326][ T6283] invoke_syscall+0x98/0x2b8 [ 224.554986][ T6283] el0_svc_common+0x138/0x258 [ 224.555709][ T6283] do_el0_svc+0x58/0x14c [ 224.556388][ T6283] el0_svc+0x78/0x1e0 [ 224.557010][ T6283] el0t_64_sync_handler+0xcc/0xe4 [ 224.557879][ T6283] el0t_64_sync+0x1a0/0x1a4 [ 224.560221][ T6283] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.562233][ T6283] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.693903][ T6285] loop1: detected capacity change from 0 to 32768 [ 224.734336][ T6285] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.735544][ T6285] CPU: 0 PID: 6285 Comm: syz.1.653 Not tainted syzkaller #0 [ 224.736711][ T6285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.738217][ T6285] Call trace: [ 224.738747][ T6285] dump_backtrace+0x0/0x43c [ 224.739498][ T6285] show_stack+0x2c/0x3c [ 224.740192][ T6285] __dump_stack+0x30/0x40 [ 224.740933][ T6285] dump_stack_lvl+0xf8/0x160 [ 224.741737][ T6285] dump_stack+0x1c/0x5c [ 224.742413][ T6285] sysfs_create_dir_ns+0x22c/0x24c [ 224.743258][ T6285] kobject_add_internal+0x590/0xc54 [ 224.744072][ T6285] kobject_init_and_add+0x118/0x17c [ 224.744860][ T6285] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.745559][ T6285] gfs2_fill_super+0xdac/0x19e0 [ 224.746301][ T6285] get_tree_bdev+0x358/0x544 [ 224.747049][ T6285] gfs2_get_tree+0x54/0x1b4 [ 224.747694][ T6285] vfs_get_tree+0x90/0x274 [ 224.748407][ T6285] do_new_mount+0x228/0x810 [ 224.749082][ T6285] path_mount+0x5b4/0x1000 [ 224.749718][ T6285] __arm64_sys_mount+0x514/0x5e4 [ 224.750523][ T6285] invoke_syscall+0x98/0x2b8 [ 224.751271][ T6285] el0_svc_common+0x138/0x258 [ 224.751979][ T6285] do_el0_svc+0x58/0x14c [ 224.752609][ T6285] el0_svc+0x78/0x1e0 [ 224.753188][ T6285] el0t_64_sync_handler+0xcc/0xe4 [ 224.753934][ T6285] el0t_64_sync+0x1a0/0x1a4 [ 224.756375][ T6285] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.758216][ T6285] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.896400][ T6287] loop1: detected capacity change from 0 to 32768 [ 224.901609][ T6287] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.903018][ T6287] CPU: 0 PID: 6287 Comm: syz.1.654 Not tainted syzkaller #0 [ 224.904130][ T6287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.905711][ T6287] Call trace: [ 224.906253][ T6287] dump_backtrace+0x0/0x43c [ 224.906916][ T6287] show_stack+0x2c/0x3c [ 224.907558][ T6287] __dump_stack+0x30/0x40 [ 224.908231][ T6287] dump_stack_lvl+0xf8/0x160 [ 224.908918][ T6287] dump_stack+0x1c/0x5c [ 224.909570][ T6287] sysfs_create_dir_ns+0x22c/0x24c [ 224.910399][ T6287] kobject_add_internal+0x590/0xc54 [ 224.911223][ T6287] kobject_init_and_add+0x118/0x17c [ 224.912097][ T6287] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.912849][ T6287] gfs2_fill_super+0xdac/0x19e0 [ 224.913696][ T6287] get_tree_bdev+0x358/0x544 [ 224.914453][ T6287] gfs2_get_tree+0x54/0x1b4 [ 224.915174][ T6287] vfs_get_tree+0x90/0x274 [ 224.915934][ T6287] do_new_mount+0x228/0x810 [ 224.916704][ T6287] path_mount+0x5b4/0x1000 [ 224.917435][ T6287] __arm64_sys_mount+0x514/0x5e4 [ 224.918270][ T6287] invoke_syscall+0x98/0x2b8 [ 224.919051][ T6287] el0_svc_common+0x138/0x258 [ 224.919804][ T6287] do_el0_svc+0x58/0x14c [ 224.920443][ T6287] el0_svc+0x78/0x1e0 [ 224.921122][ T6287] el0t_64_sync_handler+0xcc/0xe4 [ 224.921949][ T6287] el0t_64_sync+0x1a0/0x1a4 [ 224.924045][ T6287] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.925924][ T6287] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:44 executed programs: 641 [ 225.053264][ T6289] loop1: detected capacity change from 0 to 32768 [ 225.101653][ T6289] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.102860][ T6289] CPU: 1 PID: 6289 Comm: syz.1.655 Not tainted syzkaller #0 [ 225.103932][ T6289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.105406][ T6289] Call trace: [ 225.105895][ T6289] dump_backtrace+0x0/0x43c [ 225.106574][ T6289] show_stack+0x2c/0x3c [ 225.107150][ T6289] __dump_stack+0x30/0x40 [ 225.107788][ T6289] dump_stack_lvl+0xf8/0x160 [ 225.108383][ T6289] dump_stack+0x1c/0x5c [ 225.108974][ T6289] sysfs_create_dir_ns+0x22c/0x24c [ 225.109749][ T6289] kobject_add_internal+0x590/0xc54 [ 225.110548][ T6289] kobject_init_and_add+0x118/0x17c [ 225.111424][ T6289] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.112225][ T6289] gfs2_fill_super+0xdac/0x19e0 [ 225.113056][ T6289] get_tree_bdev+0x358/0x544 [ 225.113826][ T6289] gfs2_get_tree+0x54/0x1b4 [ 225.114521][ T6289] vfs_get_tree+0x90/0x274 [ 225.115177][ T6289] do_new_mount+0x228/0x810 [ 225.115837][ T6289] path_mount+0x5b4/0x1000 [ 225.116471][ T6289] __arm64_sys_mount+0x514/0x5e4 [ 225.117271][ T6289] invoke_syscall+0x98/0x2b8 [ 225.118061][ T6289] el0_svc_common+0x138/0x258 [ 225.118869][ T6289] do_el0_svc+0x58/0x14c [ 225.119567][ T6289] el0_svc+0x78/0x1e0 [ 225.120222][ T6289] el0t_64_sync_handler+0xcc/0xe4 [ 225.121045][ T6289] el0t_64_sync+0x1a0/0x1a4 [ 225.123674][ T6289] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.125453][ T6289] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.271056][ T6291] loop1: detected capacity change from 0 to 32768 [ 225.310979][ T6291] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.312081][ T6291] CPU: 0 PID: 6291 Comm: syz.1.656 Not tainted syzkaller #0 [ 225.313250][ T6291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.314843][ T6291] Call trace: [ 225.315334][ T6291] dump_backtrace+0x0/0x43c [ 225.315996][ T6291] show_stack+0x2c/0x3c [ 225.316630][ T6291] __dump_stack+0x30/0x40 [ 225.317300][ T6291] dump_stack_lvl+0xf8/0x160 [ 225.318058][ T6291] dump_stack+0x1c/0x5c [ 225.318709][ T6291] sysfs_create_dir_ns+0x22c/0x24c [ 225.319487][ T6291] kobject_add_internal+0x590/0xc54 [ 225.320293][ T6291] kobject_init_and_add+0x118/0x17c [ 225.321064][ T6291] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.321795][ T6291] gfs2_fill_super+0xdac/0x19e0 [ 225.322515][ T6291] get_tree_bdev+0x358/0x544 [ 225.323232][ T6291] gfs2_get_tree+0x54/0x1b4 [ 225.323941][ T6291] vfs_get_tree+0x90/0x274 [ 225.324607][ T6291] do_new_mount+0x228/0x810 [ 225.325307][ T6291] path_mount+0x5b4/0x1000 [ 225.326000][ T6291] __arm64_sys_mount+0x514/0x5e4 [ 225.326708][ T6291] invoke_syscall+0x98/0x2b8 [ 225.327484][ T6291] el0_svc_common+0x138/0x258 [ 225.328268][ T6291] do_el0_svc+0x58/0x14c [ 225.328887][ T6291] el0_svc+0x78/0x1e0 [ 225.329484][ T6291] el0t_64_sync_handler+0xcc/0xe4 [ 225.330319][ T6291] el0t_64_sync+0x1a0/0x1a4 [ 225.331550][ T6291] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.333397][ T6291] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.555018][ T6293] loop1: detected capacity change from 0 to 32768 [ 225.591026][ T6293] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.592219][ T6293] CPU: 0 PID: 6293 Comm: syz.1.657 Not tainted syzkaller #0 [ 225.593530][ T6293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.595191][ T6293] Call trace: [ 225.595693][ T6293] dump_backtrace+0x0/0x43c [ 225.596430][ T6293] show_stack+0x2c/0x3c [ 225.597137][ T6293] __dump_stack+0x30/0x40 [ 225.597857][ T6293] dump_stack_lvl+0xf8/0x160 [ 225.598604][ T6293] dump_stack+0x1c/0x5c [ 225.599296][ T6293] sysfs_create_dir_ns+0x22c/0x24c [ 225.600111][ T6293] kobject_add_internal+0x590/0xc54 [ 225.600885][ T6293] kobject_init_and_add+0x118/0x17c [ 225.601746][ T6293] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.602524][ T6293] gfs2_fill_super+0xdac/0x19e0 [ 225.603312][ T6293] get_tree_bdev+0x358/0x544 [ 225.604110][ T6293] gfs2_get_tree+0x54/0x1b4 [ 225.604818][ T6293] vfs_get_tree+0x90/0x274 [ 225.605525][ T6293] do_new_mount+0x228/0x810 [ 225.606245][ T6293] path_mount+0x5b4/0x1000 [ 225.606966][ T6293] __arm64_sys_mount+0x514/0x5e4 [ 225.607735][ T6293] invoke_syscall+0x98/0x2b8 [ 225.608397][ T6293] el0_svc_common+0x138/0x258 [ 225.609049][ T6293] do_el0_svc+0x58/0x14c [ 225.609733][ T6293] el0_svc+0x78/0x1e0 [ 225.610350][ T6293] el0t_64_sync_handler+0xcc/0xe4 [ 225.611161][ T6293] el0t_64_sync+0x1a0/0x1a4 [ 225.612494][ T6293] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.614376][ T6293] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.782815][ T6295] loop1: detected capacity change from 0 to 32768 [ 225.823716][ T6295] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.824881][ T6295] CPU: 1 PID: 6295 Comm: syz.1.658 Not tainted syzkaller #0 [ 225.826087][ T6295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.827566][ T6295] Call trace: [ 225.828061][ T6295] dump_backtrace+0x0/0x43c [ 225.828738][ T6295] show_stack+0x2c/0x3c [ 225.829367][ T6295] __dump_stack+0x30/0x40 [ 225.830024][ T6295] dump_stack_lvl+0xf8/0x160 [ 225.830687][ T6295] dump_stack+0x1c/0x5c [ 225.831292][ T6295] sysfs_create_dir_ns+0x22c/0x24c [ 225.832114][ T6295] kobject_add_internal+0x590/0xc54 [ 225.832961][ T6295] kobject_init_and_add+0x118/0x17c [ 225.833737][ T6295] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.834464][ T6295] gfs2_fill_super+0xdac/0x19e0 [ 225.835297][ T6295] get_tree_bdev+0x358/0x544 [ 225.836002][ T6295] gfs2_get_tree+0x54/0x1b4 [ 225.836707][ T6295] vfs_get_tree+0x90/0x274 [ 225.837369][ T6295] do_new_mount+0x228/0x810 [ 225.838068][ T6295] path_mount+0x5b4/0x1000 [ 225.838793][ T6295] __arm64_sys_mount+0x514/0x5e4 [ 225.839611][ T6295] invoke_syscall+0x98/0x2b8 [ 225.840394][ T6295] el0_svc_common+0x138/0x258 [ 225.841100][ T6295] do_el0_svc+0x58/0x14c [ 225.841746][ T6295] el0_svc+0x78/0x1e0 [ 225.842308][ T6295] el0t_64_sync_handler+0xcc/0xe4 [ 225.843054][ T6295] el0t_64_sync+0x1a0/0x1a4 [ 225.845094][ T6295] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.847063][ T6295] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.981164][ T6297] loop1: detected capacity change from 0 to 32768 [ 226.039924][ T6297] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.041257][ T6297] CPU: 1 PID: 6297 Comm: syz.1.659 Not tainted syzkaller #0 [ 226.042385][ T6297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.043963][ T6297] Call trace: [ 226.044454][ T6297] dump_backtrace+0x0/0x43c [ 226.045140][ T6297] show_stack+0x2c/0x3c [ 226.045799][ T6297] __dump_stack+0x30/0x40 [ 226.046472][ T6297] dump_stack_lvl+0xf8/0x160 [ 226.047154][ T6297] dump_stack+0x1c/0x5c [ 226.047758][ T6297] sysfs_create_dir_ns+0x22c/0x24c [ 226.048502][ T6297] kobject_add_internal+0x590/0xc54 [ 226.049249][ T6297] kobject_init_and_add+0x118/0x17c [ 226.050037][ T6297] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.050839][ T6297] gfs2_fill_super+0xdac/0x19e0 [ 226.051612][ T6297] get_tree_bdev+0x358/0x544 [ 226.052344][ T6297] gfs2_get_tree+0x54/0x1b4 [ 226.053081][ T6297] vfs_get_tree+0x90/0x274 [ 226.053831][ T6297] do_new_mount+0x228/0x810 [ 226.054583][ T6297] path_mount+0x5b4/0x1000 [ 226.055280][ T6297] __arm64_sys_mount+0x514/0x5e4 [ 226.056122][ T6297] invoke_syscall+0x98/0x2b8 [ 226.056910][ T6297] el0_svc_common+0x138/0x258 [ 226.057646][ T6297] do_el0_svc+0x58/0x14c [ 226.058369][ T6297] el0_svc+0x78/0x1e0 [ 226.059047][ T6297] el0t_64_sync_handler+0xcc/0xe4 [ 226.059821][ T6297] el0t_64_sync+0x1a0/0x1a4 [ 226.061386][ T6297] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.063622][ T6297] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.198269][ T6299] loop1: detected capacity change from 0 to 32768 [ 226.202862][ T6299] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.204080][ T6299] CPU: 1 PID: 6299 Comm: syz.1.660 Not tainted syzkaller #0 [ 226.205208][ T6299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.206756][ T6299] Call trace: [ 226.207230][ T6299] dump_backtrace+0x0/0x43c [ 226.207960][ T6299] show_stack+0x2c/0x3c [ 226.208588][ T6299] __dump_stack+0x30/0x40 [ 226.209220][ T6299] dump_stack_lvl+0xf8/0x160 [ 226.209947][ T6299] dump_stack+0x1c/0x5c [ 226.210623][ T6299] sysfs_create_dir_ns+0x22c/0x24c [ 226.211464][ T6299] kobject_add_internal+0x590/0xc54 [ 226.212324][ T6299] kobject_init_and_add+0x118/0x17c [ 226.213099][ T6299] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.213822][ T6299] gfs2_fill_super+0xdac/0x19e0 [ 226.214581][ T6299] get_tree_bdev+0x358/0x544 [ 226.215264][ T6299] gfs2_get_tree+0x54/0x1b4 [ 226.215992][ T6299] vfs_get_tree+0x90/0x274 [ 226.216685][ T6299] do_new_mount+0x228/0x810 [ 226.217353][ T6299] path_mount+0x5b4/0x1000 [ 226.218062][ T6299] __arm64_sys_mount+0x514/0x5e4 [ 226.218858][ T6299] invoke_syscall+0x98/0x2b8 [ 226.219544][ T6299] el0_svc_common+0x138/0x258 [ 226.220270][ T6299] do_el0_svc+0x58/0x14c [ 226.220956][ T6299] el0_svc+0x78/0x1e0 [ 226.221536][ T6299] el0t_64_sync_handler+0xcc/0xe4 [ 226.222238][ T6299] el0t_64_sync+0x1a0/0x1a4 [ 226.224624][ T6299] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.226815][ T6299] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.358869][ T6301] loop1: detected capacity change from 0 to 32768 [ 226.366679][ T6301] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.367848][ T6301] CPU: 0 PID: 6301 Comm: syz.1.661 Not tainted syzkaller #0 [ 226.368997][ T6301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.370591][ T6301] Call trace: [ 226.371179][ T6301] dump_backtrace+0x0/0x43c [ 226.371990][ T6301] show_stack+0x2c/0x3c [ 226.372660][ T6301] __dump_stack+0x30/0x40 [ 226.373379][ T6301] dump_stack_lvl+0xf8/0x160 [ 226.374130][ T6301] dump_stack+0x1c/0x5c [ 226.374773][ T6301] sysfs_create_dir_ns+0x22c/0x24c [ 226.375558][ T6301] kobject_add_internal+0x590/0xc54 [ 226.376376][ T6301] kobject_init_and_add+0x118/0x17c [ 226.377244][ T6301] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.378041][ T6301] gfs2_fill_super+0xdac/0x19e0 [ 226.378840][ T6301] get_tree_bdev+0x358/0x544 [ 226.379581][ T6301] gfs2_get_tree+0x54/0x1b4 [ 226.380316][ T6301] vfs_get_tree+0x90/0x274 [ 226.381028][ T6301] do_new_mount+0x228/0x810 [ 226.381697][ T6301] path_mount+0x5b4/0x1000 [ 226.382388][ T6301] __arm64_sys_mount+0x514/0x5e4 [ 226.383143][ T6301] invoke_syscall+0x98/0x2b8 [ 226.383823][ T6301] el0_svc_common+0x138/0x258 [ 226.384534][ T6301] do_el0_svc+0x58/0x14c [ 226.385160][ T6301] el0_svc+0x78/0x1e0 [ 226.385719][ T6301] el0t_64_sync_handler+0xcc/0xe4 [ 226.386569][ T6301] el0t_64_sync+0x1a0/0x1a4 [ 226.387556][ T6301] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.389728][ T6301] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.520733][ T6303] loop1: detected capacity change from 0 to 32768 [ 226.635977][ T6303] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.637169][ T6303] CPU: 1 PID: 6303 Comm: syz.1.662 Not tainted syzkaller #0 [ 226.638249][ T6303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.639701][ T6303] Call trace: [ 226.640178][ T6303] dump_backtrace+0x0/0x43c [ 226.640816][ T6303] show_stack+0x2c/0x3c [ 226.641468][ T6303] __dump_stack+0x30/0x40 [ 226.642060][ T6303] dump_stack_lvl+0xf8/0x160 [ 226.642781][ T6303] dump_stack+0x1c/0x5c [ 226.643445][ T6303] sysfs_create_dir_ns+0x22c/0x24c [ 226.644188][ T6303] kobject_add_internal+0x590/0xc54 [ 226.645051][ T6303] kobject_init_and_add+0x118/0x17c [ 226.645884][ T6303] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.646671][ T6303] gfs2_fill_super+0xdac/0x19e0 [ 226.647401][ T6303] get_tree_bdev+0x358/0x544 [ 226.648170][ T6303] gfs2_get_tree+0x54/0x1b4 [ 226.648872][ T6303] vfs_get_tree+0x90/0x274 [ 226.649541][ T6303] do_new_mount+0x228/0x810 [ 226.650213][ T6303] path_mount+0x5b4/0x1000 [ 226.650891][ T6303] __arm64_sys_mount+0x514/0x5e4 [ 226.651633][ T6303] invoke_syscall+0x98/0x2b8 [ 226.652371][ T6303] el0_svc_common+0x138/0x258 [ 226.653096][ T6303] do_el0_svc+0x58/0x14c [ 226.653771][ T6303] el0_svc+0x78/0x1e0 [ 226.654387][ T6303] el0t_64_sync_handler+0xcc/0xe4 [ 226.655170][ T6303] el0t_64_sync+0x1a0/0x1a4 [ 226.661094][ T6303] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.663062][ T6303] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.852884][ T6305] loop1: detected capacity change from 0 to 32768 [ 226.961750][ T6305] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.962873][ T6305] CPU: 1 PID: 6305 Comm: syz.1.663 Not tainted syzkaller #0 [ 226.964003][ T6305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.965548][ T6305] Call trace: [ 226.966060][ T6305] dump_backtrace+0x0/0x43c [ 226.966773][ T6305] show_stack+0x2c/0x3c [ 226.967408][ T6305] __dump_stack+0x30/0x40 [ 226.968075][ T6305] dump_stack_lvl+0xf8/0x160 [ 226.968799][ T6305] dump_stack+0x1c/0x5c [ 226.969437][ T6305] sysfs_create_dir_ns+0x22c/0x24c [ 226.970243][ T6305] kobject_add_internal+0x590/0xc54 [ 226.970947][ T6305] kobject_init_and_add+0x118/0x17c [ 226.971670][ T6305] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.972332][ T6305] gfs2_fill_super+0xdac/0x19e0 [ 226.973009][ T6305] get_tree_bdev+0x358/0x544 [ 226.973630][ T6305] gfs2_get_tree+0x54/0x1b4 [ 226.974255][ T6305] vfs_get_tree+0x90/0x274 [ 226.974861][ T6305] do_new_mount+0x228/0x810 [ 226.975477][ T6305] path_mount+0x5b4/0x1000 [ 226.976098][ T6305] __arm64_sys_mount+0x514/0x5e4 [ 226.976779][ T6305] invoke_syscall+0x98/0x2b8 [ 226.977388][ T6305] el0_svc_common+0x138/0x258 [ 226.978006][ T6305] do_el0_svc+0x58/0x14c [ 226.978586][ T6305] el0_svc+0x78/0x1e0 [ 226.979135][ T6305] el0t_64_sync_handler+0xcc/0xe4 [ 226.979804][ T6305] el0t_64_sync+0x1a0/0x1a4 [ 226.981809][ T6305] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.983773][ T6305] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.116070][ T6307] loop1: detected capacity change from 0 to 32768 [ 227.125308][ T6307] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.126410][ T6307] CPU: 0 PID: 6307 Comm: syz.1.664 Not tainted syzkaller #0 [ 227.127413][ T6307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.128755][ T6307] Call trace: [ 227.129189][ T6307] dump_backtrace+0x0/0x43c [ 227.129830][ T6307] show_stack+0x2c/0x3c [ 227.130409][ T6307] __dump_stack+0x30/0x40 [ 227.131122][ T6307] dump_stack_lvl+0xf8/0x160 [ 227.131771][ T6307] dump_stack+0x1c/0x5c [ 227.132344][ T6307] sysfs_create_dir_ns+0x22c/0x24c [ 227.133042][ T6307] kobject_add_internal+0x590/0xc54 [ 227.133917][ T6307] kobject_init_and_add+0x118/0x17c [ 227.134793][ T6307] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.135563][ T6307] gfs2_fill_super+0xdac/0x19e0 [ 227.136338][ T6307] get_tree_bdev+0x358/0x544 [ 227.137012][ T6307] gfs2_get_tree+0x54/0x1b4 [ 227.137678][ T6307] vfs_get_tree+0x90/0x274 [ 227.138431][ T6307] do_new_mount+0x228/0x810 [ 227.139151][ T6307] path_mount+0x5b4/0x1000 [ 227.139847][ T6307] __arm64_sys_mount+0x514/0x5e4 [ 227.140673][ T6307] invoke_syscall+0x98/0x2b8 [ 227.141360][ T6307] el0_svc_common+0x138/0x258 [ 227.142071][ T6307] do_el0_svc+0x58/0x14c [ 227.142679][ T6307] el0_svc+0x78/0x1e0 [ 227.143239][ T6307] el0t_64_sync_handler+0xcc/0xe4 [ 227.144042][ T6307] el0t_64_sync+0x1a0/0x1a4 [ 227.147090][ T6307] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.149060][ T6307] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.277283][ T6309] loop1: detected capacity change from 0 to 32768 [ 227.321270][ T6309] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.322420][ T6309] CPU: 1 PID: 6309 Comm: syz.1.665 Not tainted syzkaller #0 [ 227.323450][ T6309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.324810][ T6309] Call trace: [ 227.325239][ T6309] dump_backtrace+0x0/0x43c [ 227.325943][ T6309] show_stack+0x2c/0x3c [ 227.326552][ T6309] __dump_stack+0x30/0x40 [ 227.327293][ T6309] dump_stack_lvl+0xf8/0x160 [ 227.328058][ T6309] dump_stack+0x1c/0x5c [ 227.328715][ T6309] sysfs_create_dir_ns+0x22c/0x24c [ 227.329414][ T6309] kobject_add_internal+0x590/0xc54 [ 227.330299][ T6309] kobject_init_and_add+0x118/0x17c [ 227.331127][ T6309] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.331875][ T6309] gfs2_fill_super+0xdac/0x19e0 [ 227.332642][ T6309] get_tree_bdev+0x358/0x544 [ 227.333351][ T6309] gfs2_get_tree+0x54/0x1b4 [ 227.333985][ T6309] vfs_get_tree+0x90/0x274 [ 227.334625][ T6309] do_new_mount+0x228/0x810 [ 227.335278][ T6309] path_mount+0x5b4/0x1000 [ 227.335964][ T6309] __arm64_sys_mount+0x514/0x5e4 [ 227.336766][ T6309] invoke_syscall+0x98/0x2b8 [ 227.337538][ T6309] el0_svc_common+0x138/0x258 [ 227.338312][ T6309] do_el0_svc+0x58/0x14c [ 227.339025][ T6309] el0_svc+0x78/0x1e0 [ 227.339643][ T6309] el0t_64_sync_handler+0xcc/0xe4 [ 227.340365][ T6309] el0t_64_sync+0x1a0/0x1a4 [ 227.344198][ T6309] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.346100][ T6309] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.476587][ T6311] loop1: detected capacity change from 0 to 32768 [ 227.514166][ T6311] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.515430][ T6311] CPU: 1 PID: 6311 Comm: syz.1.666 Not tainted syzkaller #0 [ 227.516461][ T6311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.518032][ T6311] Call trace: [ 227.518545][ T6311] dump_backtrace+0x0/0x43c [ 227.519174][ T6311] show_stack+0x2c/0x3c [ 227.519855][ T6311] __dump_stack+0x30/0x40 [ 227.520513][ T6311] dump_stack_lvl+0xf8/0x160 [ 227.521225][ T6311] dump_stack+0x1c/0x5c [ 227.521890][ T6311] sysfs_create_dir_ns+0x22c/0x24c [ 227.522703][ T6311] kobject_add_internal+0x590/0xc54 [ 227.523496][ T6311] kobject_init_and_add+0x118/0x17c [ 227.524362][ T6311] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.525105][ T6311] gfs2_fill_super+0xdac/0x19e0 [ 227.525775][ T6311] get_tree_bdev+0x358/0x544 [ 227.526487][ T6311] gfs2_get_tree+0x54/0x1b4 [ 227.527171][ T6311] vfs_get_tree+0x90/0x274 [ 227.527825][ T6311] do_new_mount+0x228/0x810 [ 227.528539][ T6311] path_mount+0x5b4/0x1000 [ 227.529142][ T6311] __arm64_sys_mount+0x514/0x5e4 [ 227.529864][ T6311] invoke_syscall+0x98/0x2b8 [ 227.530542][ T6311] el0_svc_common+0x138/0x258 [ 227.531263][ T6311] do_el0_svc+0x58/0x14c [ 227.531930][ T6311] el0_svc+0x78/0x1e0 [ 227.532497][ T6311] el0t_64_sync_handler+0xcc/0xe4 [ 227.533281][ T6311] el0t_64_sync+0x1a0/0x1a4 [ 227.535487][ T6311] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.537374][ T6311] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.668407][ T6313] loop1: detected capacity change from 0 to 32768 [ 227.675804][ T6313] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.676960][ T6313] CPU: 0 PID: 6313 Comm: syz.1.667 Not tainted syzkaller #0 [ 227.678030][ T6313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.679604][ T6313] Call trace: [ 227.680161][ T6313] dump_backtrace+0x0/0x43c [ 227.680960][ T6313] show_stack+0x2c/0x3c [ 227.681645][ T6313] __dump_stack+0x30/0x40 [ 227.682428][ T6313] dump_stack_lvl+0xf8/0x160 [ 227.683148][ T6313] dump_stack+0x1c/0x5c [ 227.683849][ T6313] sysfs_create_dir_ns+0x22c/0x24c [ 227.684676][ T6313] kobject_add_internal+0x590/0xc54 [ 227.685509][ T6313] kobject_init_and_add+0x118/0x17c [ 227.686332][ T6313] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.687087][ T6313] gfs2_fill_super+0xdac/0x19e0 [ 227.687798][ T6313] get_tree_bdev+0x358/0x544 [ 227.688476][ T6313] gfs2_get_tree+0x54/0x1b4 [ 227.689151][ T6313] vfs_get_tree+0x90/0x274 [ 227.689810][ T6313] do_new_mount+0x228/0x810 [ 227.690480][ T6313] path_mount+0x5b4/0x1000 [ 227.691166][ T6313] __arm64_sys_mount+0x514/0x5e4 [ 227.691844][ T6313] invoke_syscall+0x98/0x2b8 [ 227.692518][ T6313] el0_svc_common+0x138/0x258 [ 227.693187][ T6313] do_el0_svc+0x58/0x14c [ 227.693853][ T6313] el0_svc+0x78/0x1e0 [ 227.694484][ T6313] el0t_64_sync_handler+0xcc/0xe4 [ 227.695290][ T6313] el0t_64_sync+0x1a0/0x1a4 [ 227.696937][ T6313] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.698902][ T6313] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.832478][ T6315] loop1: detected capacity change from 0 to 32768 [ 227.839975][ T6315] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.841010][ T6315] CPU: 1 PID: 6315 Comm: syz.1.668 Not tainted syzkaller #0 [ 227.842066][ T6315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.843542][ T6315] Call trace: [ 227.844002][ T6315] dump_backtrace+0x0/0x43c [ 227.844665][ T6315] show_stack+0x2c/0x3c [ 227.845307][ T6315] __dump_stack+0x30/0x40 [ 227.846050][ T6315] dump_stack_lvl+0xf8/0x160 [ 227.846739][ T6315] dump_stack+0x1c/0x5c [ 227.847357][ T6315] sysfs_create_dir_ns+0x22c/0x24c [ 227.848184][ T6315] kobject_add_internal+0x590/0xc54 [ 227.848956][ T6315] kobject_init_and_add+0x118/0x17c [ 227.849726][ T6315] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.850494][ T6315] gfs2_fill_super+0xdac/0x19e0 [ 227.851259][ T6315] get_tree_bdev+0x358/0x544 [ 227.851903][ T6315] gfs2_get_tree+0x54/0x1b4 [ 227.852556][ T6315] vfs_get_tree+0x90/0x274 [ 227.853257][ T6315] do_new_mount+0x228/0x810 [ 227.853968][ T6315] path_mount+0x5b4/0x1000 [ 227.854690][ T6315] __arm64_sys_mount+0x514/0x5e4 [ 227.855522][ T6315] invoke_syscall+0x98/0x2b8 [ 227.856309][ T6315] el0_svc_common+0x138/0x258 [ 227.857097][ T6315] do_el0_svc+0x58/0x14c [ 227.857800][ T6315] el0_svc+0x78/0x1e0 [ 227.858462][ T6315] el0t_64_sync_handler+0xcc/0xe4 [ 227.859340][ T6315] el0t_64_sync+0x1a0/0x1a4 [ 227.861670][ T6315] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.863554][ T6315] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.995832][ T6317] loop1: detected capacity change from 0 to 32768 [ 228.040878][ T6317] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.042019][ T6317] CPU: 0 PID: 6317 Comm: syz.1.669 Not tainted syzkaller #0 [ 228.043049][ T6317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.044532][ T6317] Call trace: [ 228.044988][ T6317] dump_backtrace+0x0/0x43c [ 228.045649][ T6317] show_stack+0x2c/0x3c [ 228.046277][ T6317] __dump_stack+0x30/0x40 [ 228.046938][ T6317] dump_stack_lvl+0xf8/0x160 [ 228.047620][ T6317] dump_stack+0x1c/0x5c [ 228.048239][ T6317] sysfs_create_dir_ns+0x22c/0x24c [ 228.049074][ T6317] kobject_add_internal+0x590/0xc54 [ 228.049925][ T6317] kobject_init_and_add+0x118/0x17c [ 228.050704][ T6317] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.051368][ T6317] gfs2_fill_super+0xdac/0x19e0 [ 228.052068][ T6317] get_tree_bdev+0x358/0x544 [ 228.052739][ T6317] gfs2_get_tree+0x54/0x1b4 [ 228.053441][ T6317] vfs_get_tree+0x90/0x274 [ 228.054139][ T6317] do_new_mount+0x228/0x810 [ 228.054859][ T6317] path_mount+0x5b4/0x1000 [ 228.055573][ T6317] __arm64_sys_mount+0x514/0x5e4 [ 228.056370][ T6317] invoke_syscall+0x98/0x2b8 [ 228.057113][ T6317] el0_svc_common+0x138/0x258 [ 228.057821][ T6317] do_el0_svc+0x58/0x14c [ 228.058499][ T6317] el0_svc+0x78/0x1e0 [ 228.059126][ T6317] el0t_64_sync_handler+0xcc/0xe4 [ 228.059831][ T6317] el0t_64_sync+0x1a0/0x1a4 [ 228.062319][ T6317] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.064370][ T6317] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.203709][ T6319] loop1: detected capacity change from 0 to 32768 [ 228.250901][ T6319] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.252199][ T6319] CPU: 0 PID: 6319 Comm: syz.1.670 Not tainted syzkaller #0 [ 228.253269][ T6319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.254731][ T6319] Call trace: [ 228.255199][ T6319] dump_backtrace+0x0/0x43c [ 228.255873][ T6319] show_stack+0x2c/0x3c [ 228.256475][ T6319] __dump_stack+0x30/0x40 [ 228.257105][ T6319] dump_stack_lvl+0xf8/0x160 [ 228.257805][ T6319] dump_stack+0x1c/0x5c [ 228.258428][ T6319] sysfs_create_dir_ns+0x22c/0x24c [ 228.259227][ T6319] kobject_add_internal+0x590/0xc54 [ 228.260338][ T6319] kobject_init_and_add+0x118/0x17c [ 228.261162][ T6319] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.261890][ T6319] gfs2_fill_super+0xdac/0x19e0 [ 228.262604][ T6319] get_tree_bdev+0x358/0x544 [ 228.263260][ T6319] gfs2_get_tree+0x54/0x1b4 [ 228.263928][ T6319] vfs_get_tree+0x90/0x274 [ 228.264593][ T6319] do_new_mount+0x228/0x810 [ 228.265288][ T6319] path_mount+0x5b4/0x1000 [ 228.265937][ T6319] __arm64_sys_mount+0x514/0x5e4 [ 228.266698][ T6319] invoke_syscall+0x98/0x2b8 [ 228.267395][ T6319] el0_svc_common+0x138/0x258 [ 228.268089][ T6319] do_el0_svc+0x58/0x14c [ 228.268770][ T6319] el0_svc+0x78/0x1e0 [ 228.269417][ T6319] el0t_64_sync_handler+0xcc/0xe4 [ 228.270215][ T6319] el0t_64_sync+0x1a0/0x1a4 [ 228.271239][ T6319] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.273167][ T6319] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.469884][ T6321] loop1: detected capacity change from 0 to 32768 [ 228.520808][ T6321] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.522021][ T6321] CPU: 1 PID: 6321 Comm: syz.1.671 Not tainted syzkaller #0 [ 228.523150][ T6321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.524661][ T6321] Call trace: [ 228.525138][ T6321] dump_backtrace+0x0/0x43c [ 228.525885][ T6321] show_stack+0x2c/0x3c [ 228.526504][ T6321] __dump_stack+0x30/0x40 [ 228.527159][ T6321] dump_stack_lvl+0xf8/0x160 [ 228.527906][ T6321] dump_stack+0x1c/0x5c [ 228.528503][ T6321] sysfs_create_dir_ns+0x22c/0x24c [ 228.529305][ T6321] kobject_add_internal+0x590/0xc54 [ 228.530067][ T6321] kobject_init_and_add+0x118/0x17c [ 228.530823][ T6321] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.531577][ T6321] gfs2_fill_super+0xdac/0x19e0 [ 228.532318][ T6321] get_tree_bdev+0x358/0x544 [ 228.532967][ T6321] gfs2_get_tree+0x54/0x1b4 [ 228.533650][ T6321] vfs_get_tree+0x90/0x274 [ 228.534296][ T6321] do_new_mount+0x228/0x810 [ 228.534965][ T6321] path_mount+0x5b4/0x1000 [ 228.535561][ T6321] __arm64_sys_mount+0x514/0x5e4 [ 228.536260][ T6321] invoke_syscall+0x98/0x2b8 [ 228.536939][ T6321] el0_svc_common+0x138/0x258 [ 228.537628][ T6321] do_el0_svc+0x58/0x14c [ 228.538249][ T6321] el0_svc+0x78/0x1e0 [ 228.538822][ T6321] el0t_64_sync_handler+0xcc/0xe4 [ 228.539617][ T6321] el0t_64_sync+0x1a0/0x1a4 [ 228.540590][ T6321] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.543424][ T6321] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.675414][ T6323] loop1: detected capacity change from 0 to 32768 [ 228.754553][ T6323] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.755576][ T6323] CPU: 1 PID: 6323 Comm: syz.1.672 Not tainted syzkaller #0 [ 228.756580][ T6323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.758053][ T6323] Call trace: [ 228.758531][ T6323] dump_backtrace+0x0/0x43c [ 228.759150][ T6323] show_stack+0x2c/0x3c [ 228.759726][ T6323] __dump_stack+0x30/0x40 [ 228.760437][ T6323] dump_stack_lvl+0xf8/0x160 [ 228.761223][ T6323] dump_stack+0x1c/0x5c [ 228.761850][ T6323] sysfs_create_dir_ns+0x22c/0x24c [ 228.762640][ T6323] kobject_add_internal+0x590/0xc54 [ 228.763430][ T6323] kobject_init_and_add+0x118/0x17c [ 228.764216][ T6323] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.764986][ T6323] gfs2_fill_super+0xdac/0x19e0 [ 228.765780][ T6323] get_tree_bdev+0x358/0x544 [ 228.766539][ T6323] gfs2_get_tree+0x54/0x1b4 [ 228.767256][ T6323] vfs_get_tree+0x90/0x274 [ 228.767962][ T6323] do_new_mount+0x228/0x810 [ 228.768655][ T6323] path_mount+0x5b4/0x1000 [ 228.769351][ T6323] __arm64_sys_mount+0x514/0x5e4 [ 228.770124][ T6323] invoke_syscall+0x98/0x2b8 [ 228.770775][ T6323] el0_svc_common+0x138/0x258 [ 228.771462][ T6323] do_el0_svc+0x58/0x14c [ 228.772092][ T6323] el0_svc+0x78/0x1e0 [ 228.772717][ T6323] el0t_64_sync_handler+0xcc/0xe4 [ 228.773473][ T6323] el0t_64_sync+0x1a0/0x1a4 [ 228.775742][ T6323] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.777699][ T6323] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.908538][ T6325] loop1: detected capacity change from 0 to 32768 [ 228.916082][ T6325] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.917328][ T6325] CPU: 0 PID: 6325 Comm: syz.1.673 Not tainted syzkaller #0 [ 228.918423][ T6325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.919891][ T6325] Call trace: [ 228.920359][ T6325] dump_backtrace+0x0/0x43c [ 228.921043][ T6325] show_stack+0x2c/0x3c [ 228.921701][ T6325] __dump_stack+0x30/0x40 [ 228.922406][ T6325] dump_stack_lvl+0xf8/0x160 [ 228.923186][ T6325] dump_stack+0x1c/0x5c [ 228.923858][ T6325] sysfs_create_dir_ns+0x22c/0x24c [ 228.924644][ T6325] kobject_add_internal+0x590/0xc54 [ 228.925439][ T6325] kobject_init_and_add+0x118/0x17c [ 228.926226][ T6325] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.927060][ T6325] gfs2_fill_super+0xdac/0x19e0 [ 228.927847][ T6325] get_tree_bdev+0x358/0x544 [ 228.928649][ T6325] gfs2_get_tree+0x54/0x1b4 [ 228.929428][ T6325] vfs_get_tree+0x90/0x274 [ 228.930137][ T6325] do_new_mount+0x228/0x810 [ 228.930861][ T6325] path_mount+0x5b4/0x1000 [ 228.931581][ T6325] __arm64_sys_mount+0x514/0x5e4 [ 228.932289][ T6325] invoke_syscall+0x98/0x2b8 [ 228.933023][ T6325] el0_svc_common+0x138/0x258 [ 228.933766][ T6325] do_el0_svc+0x58/0x14c [ 228.934418][ T6325] el0_svc+0x78/0x1e0 [ 228.935049][ T6325] el0t_64_sync_handler+0xcc/0xe4 [ 228.935905][ T6325] el0t_64_sync+0x1a0/0x1a4 [ 228.936749][ T6325] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.938767][ T6325] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.068660][ T6327] loop1: detected capacity change from 0 to 32768 [ 229.130217][ T6327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.131457][ T6327] CPU: 0 PID: 6327 Comm: syz.1.674 Not tainted syzkaller #0 [ 229.132617][ T6327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.134202][ T6327] Call trace: [ 229.134723][ T6327] dump_backtrace+0x0/0x43c [ 229.135353][ T6327] show_stack+0x2c/0x3c [ 229.135987][ T6327] __dump_stack+0x30/0x40 [ 229.136668][ T6327] dump_stack_lvl+0xf8/0x160 [ 229.137356][ T6327] dump_stack+0x1c/0x5c [ 229.138031][ T6327] sysfs_create_dir_ns+0x22c/0x24c [ 229.138820][ T6327] kobject_add_internal+0x590/0xc54 [ 229.139622][ T6327] kobject_init_and_add+0x118/0x17c [ 229.140440][ T6327] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.141179][ T6327] gfs2_fill_super+0xdac/0x19e0 [ 229.141958][ T6327] get_tree_bdev+0x358/0x544 [ 229.142752][ T6327] gfs2_get_tree+0x54/0x1b4 [ 229.143476][ T6327] vfs_get_tree+0x90/0x274 [ 229.144247][ T6327] do_new_mount+0x228/0x810 [ 229.144955][ T6327] path_mount+0x5b4/0x1000 [ 229.145680][ T6327] __arm64_sys_mount+0x514/0x5e4 [ 229.146469][ T6327] invoke_syscall+0x98/0x2b8 [ 229.147215][ T6327] el0_svc_common+0x138/0x258 [ 229.147950][ T6327] do_el0_svc+0x58/0x14c [ 229.148617][ T6327] el0_svc+0x78/0x1e0 [ 229.149193][ T6327] el0t_64_sync_handler+0xcc/0xe4 [ 229.149954][ T6327] el0t_64_sync+0x1a0/0x1a4 [ 229.150843][ T6327] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.152789][ T6327] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.283189][ T6329] loop1: detected capacity change from 0 to 32768 [ 229.290423][ T6329] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.291700][ T6329] CPU: 0 PID: 6329 Comm: syz.1.675 Not tainted syzkaller #0 [ 229.292826][ T6329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.294357][ T6329] Call trace: [ 229.294823][ T6329] dump_backtrace+0x0/0x43c [ 229.295603][ T6329] show_stack+0x2c/0x3c [ 229.296171][ T6329] __dump_stack+0x30/0x40 [ 229.296878][ T6329] dump_stack_lvl+0xf8/0x160 [ 229.297568][ T6329] dump_stack+0x1c/0x5c [ 229.298191][ T6329] sysfs_create_dir_ns+0x22c/0x24c [ 229.298950][ T6329] kobject_add_internal+0x590/0xc54 [ 229.299741][ T6329] kobject_init_and_add+0x118/0x17c [ 229.300665][ T6329] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.301524][ T6329] gfs2_fill_super+0xdac/0x19e0 [ 229.302357][ T6329] get_tree_bdev+0x358/0x544 [ 229.303073][ T6329] gfs2_get_tree+0x54/0x1b4 [ 229.303822][ T6329] vfs_get_tree+0x90/0x274 [ 229.304524][ T6329] do_new_mount+0x228/0x810 [ 229.305267][ T6329] path_mount+0x5b4/0x1000 [ 229.305940][ T6329] __arm64_sys_mount+0x514/0x5e4 [ 229.306723][ T6329] invoke_syscall+0x98/0x2b8 [ 229.307423][ T6329] el0_svc_common+0x138/0x258 [ 229.308174][ T6329] do_el0_svc+0x58/0x14c [ 229.308874][ T6329] el0_svc+0x78/0x1e0 [ 229.309508][ T6329] el0t_64_sync_handler+0xcc/0xe4 [ 229.310302][ T6329] el0t_64_sync+0x1a0/0x1a4 [ 229.311287][ T6329] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.313263][ T6329] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.441776][ T6331] loop1: detected capacity change from 0 to 32768 [ 229.554388][ T6331] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.555586][ T6331] CPU: 1 PID: 6331 Comm: syz.1.676 Not tainted syzkaller #0 [ 229.556596][ T6331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.558028][ T6331] Call trace: [ 229.558436][ T6331] dump_backtrace+0x0/0x43c [ 229.559164][ T6331] show_stack+0x2c/0x3c [ 229.559838][ T6331] __dump_stack+0x30/0x40 [ 229.560543][ T6331] dump_stack_lvl+0xf8/0x160 [ 229.561229][ T6331] dump_stack+0x1c/0x5c [ 229.561862][ T6331] sysfs_create_dir_ns+0x22c/0x24c [ 229.562667][ T6331] kobject_add_internal+0x590/0xc54 [ 229.563494][ T6331] kobject_init_and_add+0x118/0x17c [ 229.564357][ T6331] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.565090][ T6331] gfs2_fill_super+0xdac/0x19e0 [ 229.565815][ T6331] get_tree_bdev+0x358/0x544 [ 229.566578][ T6331] gfs2_get_tree+0x54/0x1b4 [ 229.567242][ T6331] vfs_get_tree+0x90/0x274 [ 229.567948][ T6331] do_new_mount+0x228/0x810 [ 229.568643][ T6331] path_mount+0x5b4/0x1000 [ 229.569347][ T6331] __arm64_sys_mount+0x514/0x5e4 [ 229.570139][ T6331] invoke_syscall+0x98/0x2b8 [ 229.570821][ T6331] el0_svc_common+0x138/0x258 [ 229.571573][ T6331] do_el0_svc+0x58/0x14c [ 229.572196][ T6331] el0_svc+0x78/0x1e0 [ 229.572848][ T6331] el0t_64_sync_handler+0xcc/0xe4 [ 229.573636][ T6331] el0t_64_sync+0x1a0/0x1a4 [ 229.576031][ T6331] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.577968][ T6331] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.706789][ T6333] loop1: detected capacity change from 0 to 32768 [ 229.732817][ T6333] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.734055][ T6333] CPU: 1 PID: 6333 Comm: syz.1.677 Not tainted syzkaller #0 [ 229.735109][ T6333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.736548][ T6333] Call trace: [ 229.737013][ T6333] dump_backtrace+0x0/0x43c [ 229.737700][ T6333] show_stack+0x2c/0x3c [ 229.738292][ T6333] __dump_stack+0x30/0x40 [ 229.738961][ T6333] dump_stack_lvl+0xf8/0x160 [ 229.739633][ T6333] dump_stack+0x1c/0x5c [ 229.740286][ T6333] sysfs_create_dir_ns+0x22c/0x24c [ 229.741039][ T6333] kobject_add_internal+0x590/0xc54 [ 229.741748][ T6333] kobject_init_and_add+0x118/0x17c [ 229.742554][ T6333] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.743305][ T6333] gfs2_fill_super+0xdac/0x19e0 [ 229.744079][ T6333] get_tree_bdev+0x358/0x544 [ 229.744746][ T6333] gfs2_get_tree+0x54/0x1b4 [ 229.745421][ T6333] vfs_get_tree+0x90/0x274 [ 229.746089][ T6333] do_new_mount+0x228/0x810 [ 229.746747][ T6333] path_mount+0x5b4/0x1000 [ 229.747404][ T6333] __arm64_sys_mount+0x514/0x5e4 [ 229.748061][ T6333] invoke_syscall+0x98/0x2b8 [ 229.748795][ T6333] el0_svc_common+0x138/0x258 [ 229.749585][ T6333] do_el0_svc+0x58/0x14c [ 229.750178][ T6333] el0_svc+0x78/0x1e0 [ 229.750820][ T6333] el0t_64_sync_handler+0xcc/0xe4 [ 229.751620][ T6333] el0t_64_sync+0x1a0/0x1a4 [ 229.753717][ T6333] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.755598][ T6333] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.887445][ T6335] loop1: detected capacity change from 0 to 32768 [ 229.963262][ T6335] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.964496][ T6335] CPU: 0 PID: 6335 Comm: syz.1.678 Not tainted syzkaller #0 [ 229.965477][ T6335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.967082][ T6335] Call trace: [ 229.967625][ T6335] dump_backtrace+0x0/0x43c [ 229.968296][ T6335] show_stack+0x2c/0x3c [ 229.968911][ T6335] __dump_stack+0x30/0x40 [ 229.969566][ T6335] dump_stack_lvl+0xf8/0x160 [ 229.970255][ T6335] dump_stack+0x1c/0x5c [ 229.970844][ T6335] sysfs_create_dir_ns+0x22c/0x24c [ 229.971579][ T6335] kobject_add_internal+0x590/0xc54 [ 229.972377][ T6335] kobject_init_and_add+0x118/0x17c [ 229.973161][ T6335] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.973840][ T6335] gfs2_fill_super+0xdac/0x19e0 [ 229.974590][ T6335] get_tree_bdev+0x358/0x544 [ 229.975296][ T6335] gfs2_get_tree+0x54/0x1b4 [ 229.975942][ T6335] vfs_get_tree+0x90/0x274 [ 229.976575][ T6335] do_new_mount+0x228/0x810 [ 229.977191][ T6335] path_mount+0x5b4/0x1000 [ 229.977790][ T6335] __arm64_sys_mount+0x514/0x5e4 [ 229.978490][ T6335] invoke_syscall+0x98/0x2b8 [ 229.979137][ T6335] el0_svc_common+0x138/0x258 [ 229.979852][ T6335] do_el0_svc+0x58/0x14c [ 229.980473][ T6335] el0_svc+0x78/0x1e0 [ 229.981041][ T6335] el0t_64_sync_handler+0xcc/0xe4 [ 229.981840][ T6335] el0t_64_sync+0x1a0/0x1a4 [ 229.983915][ T6335] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.985850][ T6335] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:50 executed programs: 665 [ 230.115232][ T6337] loop1: detected capacity change from 0 to 32768 [ 230.204362][ T6337] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.205861][ T6337] CPU: 1 PID: 6337 Comm: syz.1.679 Not tainted syzkaller #0 [ 230.206917][ T6337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.208485][ T6337] Call trace: [ 230.208994][ T6337] dump_backtrace+0x0/0x43c [ 230.209682][ T6337] show_stack+0x2c/0x3c [ 230.210374][ T6337] __dump_stack+0x30/0x40 [ 230.211052][ T6337] dump_stack_lvl+0xf8/0x160 [ 230.211801][ T6337] dump_stack+0x1c/0x5c [ 230.212437][ T6337] sysfs_create_dir_ns+0x22c/0x24c [ 230.213201][ T6337] kobject_add_internal+0x590/0xc54 [ 230.213964][ T6337] kobject_init_and_add+0x118/0x17c [ 230.214828][ T6337] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.215553][ T6337] gfs2_fill_super+0xdac/0x19e0 [ 230.216326][ T6337] get_tree_bdev+0x358/0x544 [ 230.217026][ T6337] gfs2_get_tree+0x54/0x1b4 [ 230.217761][ T6337] vfs_get_tree+0x90/0x274 [ 230.218462][ T6337] do_new_mount+0x228/0x810 [ 230.219165][ T6337] path_mount+0x5b4/0x1000 [ 230.219903][ T6337] __arm64_sys_mount+0x514/0x5e4 [ 230.220696][ T6337] invoke_syscall+0x98/0x2b8 [ 230.221430][ T6337] el0_svc_common+0x138/0x258 [ 230.222209][ T6337] do_el0_svc+0x58/0x14c [ 230.222927][ T6337] el0_svc+0x78/0x1e0 [ 230.223631][ T6337] el0t_64_sync_handler+0xcc/0xe4 [ 230.224400][ T6337] el0t_64_sync+0x1a0/0x1a4 [ 230.226485][ T6337] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.228444][ T6337] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.365234][ T6339] loop1: detected capacity change from 0 to 32768 [ 230.408606][ T6339] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.410007][ T6339] CPU: 1 PID: 6339 Comm: syz.1.680 Not tainted syzkaller #0 [ 230.411031][ T6339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.412465][ T6339] Call trace: [ 230.412930][ T6339] dump_backtrace+0x0/0x43c [ 230.413570][ T6339] show_stack+0x2c/0x3c [ 230.414158][ T6339] __dump_stack+0x30/0x40 [ 230.414742][ T6339] dump_stack_lvl+0xf8/0x160 [ 230.415427][ T6339] dump_stack+0x1c/0x5c [ 230.416056][ T6339] sysfs_create_dir_ns+0x22c/0x24c [ 230.416788][ T6339] kobject_add_internal+0x590/0xc54 [ 230.417549][ T6339] kobject_init_and_add+0x118/0x17c [ 230.418318][ T6339] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.418961][ T6339] gfs2_fill_super+0xdac/0x19e0 [ 230.419627][ T6339] get_tree_bdev+0x358/0x544 [ 230.420295][ T6339] gfs2_get_tree+0x54/0x1b4 [ 230.420973][ T6339] vfs_get_tree+0x90/0x274 [ 230.421624][ T6339] do_new_mount+0x228/0x810 [ 230.422343][ T6339] path_mount+0x5b4/0x1000 [ 230.423076][ T6339] __arm64_sys_mount+0x514/0x5e4 [ 230.423879][ T6339] invoke_syscall+0x98/0x2b8 [ 230.424569][ T6339] el0_svc_common+0x138/0x258 [ 230.425253][ T6339] do_el0_svc+0x58/0x14c [ 230.425891][ T6339] el0_svc+0x78/0x1e0 [ 230.426553][ T6339] el0t_64_sync_handler+0xcc/0xe4 [ 230.427331][ T6339] el0t_64_sync+0x1a0/0x1a4 [ 230.429371][ T6339] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.431412][ T6339] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.557394][ T6341] loop1: detected capacity change from 0 to 32768 [ 230.604196][ T6341] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.605314][ T6341] CPU: 1 PID: 6341 Comm: syz.1.681 Not tainted syzkaller #0 [ 230.606392][ T6341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.607929][ T6341] Call trace: [ 230.608432][ T6341] dump_backtrace+0x0/0x43c [ 230.609130][ T6341] show_stack+0x2c/0x3c [ 230.609830][ T6341] __dump_stack+0x30/0x40 [ 230.610522][ T6341] dump_stack_lvl+0xf8/0x160 [ 230.611258][ T6341] dump_stack+0x1c/0x5c [ 230.611931][ T6341] sysfs_create_dir_ns+0x22c/0x24c [ 230.612708][ T6341] kobject_add_internal+0x590/0xc54 [ 230.613526][ T6341] kobject_init_and_add+0x118/0x17c [ 230.614337][ T6341] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.615047][ T6341] gfs2_fill_super+0xdac/0x19e0 [ 230.615781][ T6341] get_tree_bdev+0x358/0x544 [ 230.616437][ T6341] gfs2_get_tree+0x54/0x1b4 [ 230.617071][ T6341] vfs_get_tree+0x90/0x274 [ 230.617737][ T6341] do_new_mount+0x228/0x810 [ 230.618376][ T6341] path_mount+0x5b4/0x1000 [ 230.619038][ T6341] __arm64_sys_mount+0x514/0x5e4 [ 230.619764][ T6341] invoke_syscall+0x98/0x2b8 [ 230.620488][ T6341] el0_svc_common+0x138/0x258 [ 230.621158][ T6341] do_el0_svc+0x58/0x14c [ 230.621800][ T6341] el0_svc+0x78/0x1e0 [ 230.622364][ T6341] el0t_64_sync_handler+0xcc/0xe4 [ 230.623148][ T6341] el0t_64_sync+0x1a0/0x1a4 [ 230.625497][ T6341] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.627468][ T6341] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.761360][ T6343] loop1: detected capacity change from 0 to 32768 [ 230.839406][ T6343] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.842205][ T6343] CPU: 0 PID: 6343 Comm: syz.1.682 Not tainted syzkaller #0 [ 230.843274][ T6343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.844749][ T6343] Call trace: [ 230.845217][ T6343] dump_backtrace+0x0/0x43c [ 230.845964][ T6343] show_stack+0x2c/0x3c [ 230.846578][ T6343] __dump_stack+0x30/0x40 [ 230.847214][ T6343] dump_stack_lvl+0xf8/0x160 [ 230.847880][ T6343] dump_stack+0x1c/0x5c [ 230.848495][ T6343] sysfs_create_dir_ns+0x22c/0x24c [ 230.849223][ T6343] kobject_add_internal+0x590/0xc54 [ 230.850006][ T6343] kobject_init_and_add+0x118/0x17c [ 230.850777][ T6343] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.851461][ T6343] gfs2_fill_super+0xdac/0x19e0 [ 230.852196][ T6343] get_tree_bdev+0x358/0x544 [ 230.852853][ T6343] gfs2_get_tree+0x54/0x1b4 [ 230.853536][ T6343] vfs_get_tree+0x90/0x274 [ 230.854251][ T6343] do_new_mount+0x228/0x810 [ 230.854960][ T6343] path_mount+0x5b4/0x1000 [ 230.855642][ T6343] __arm64_sys_mount+0x514/0x5e4 [ 230.856385][ T6343] invoke_syscall+0x98/0x2b8 [ 230.857077][ T6343] el0_svc_common+0x138/0x258 [ 230.857830][ T6343] do_el0_svc+0x58/0x14c [ 230.858535][ T6343] el0_svc+0x78/0x1e0 [ 230.859148][ T6343] el0t_64_sync_handler+0xcc/0xe4 [ 230.859923][ T6343] el0t_64_sync+0x1a0/0x1a4 [ 230.860787][ T6343] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.862953][ T6343] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.993366][ T6345] loop1: detected capacity change from 0 to 32768 [ 230.999983][ T6345] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.001138][ T6345] CPU: 1 PID: 6345 Comm: syz.1.683 Not tainted syzkaller #0 [ 231.002170][ T6345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.003715][ T6345] Call trace: [ 231.004235][ T6345] dump_backtrace+0x0/0x43c [ 231.004912][ T6345] show_stack+0x2c/0x3c [ 231.005562][ T6345] __dump_stack+0x30/0x40 [ 231.006294][ T6345] dump_stack_lvl+0xf8/0x160 [ 231.006949][ T6345] dump_stack+0x1c/0x5c [ 231.007577][ T6345] sysfs_create_dir_ns+0x22c/0x24c [ 231.008278][ T6345] kobject_add_internal+0x590/0xc54 [ 231.009013][ T6345] kobject_init_and_add+0x118/0x17c [ 231.009791][ T6345] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.010545][ T6345] gfs2_fill_super+0xdac/0x19e0 [ 231.011274][ T6345] get_tree_bdev+0x358/0x544 [ 231.011988][ T6345] gfs2_get_tree+0x54/0x1b4 [ 231.012662][ T6345] vfs_get_tree+0x90/0x274 [ 231.013358][ T6345] do_new_mount+0x228/0x810 [ 231.013994][ T6345] path_mount+0x5b4/0x1000 [ 231.014653][ T6345] __arm64_sys_mount+0x514/0x5e4 [ 231.015320][ T6345] invoke_syscall+0x98/0x2b8 [ 231.015953][ T6345] el0_svc_common+0x138/0x258 [ 231.016646][ T6345] do_el0_svc+0x58/0x14c [ 231.017275][ T6345] el0_svc+0x78/0x1e0 [ 231.017940][ T6345] el0t_64_sync_handler+0xcc/0xe4 [ 231.018787][ T6345] el0t_64_sync+0x1a0/0x1a4 [ 231.020897][ T6345] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.022882][ T6345] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.260171][ T6347] loop1: detected capacity change from 0 to 32768 [ 231.325314][ T6347] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.326517][ T6347] CPU: 0 PID: 6347 Comm: syz.1.684 Not tainted syzkaller #0 [ 231.327670][ T6347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.329190][ T6347] Call trace: [ 231.329719][ T6347] dump_backtrace+0x0/0x43c [ 231.330423][ T6347] show_stack+0x2c/0x3c [ 231.331120][ T6347] __dump_stack+0x30/0x40 [ 231.331836][ T6347] dump_stack_lvl+0xf8/0x160 [ 231.332597][ T6347] dump_stack+0x1c/0x5c [ 231.333246][ T6347] sysfs_create_dir_ns+0x22c/0x24c [ 231.334023][ T6347] kobject_add_internal+0x590/0xc54 [ 231.334790][ T6347] kobject_init_and_add+0x118/0x17c [ 231.335641][ T6347] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.336421][ T6347] gfs2_fill_super+0xdac/0x19e0 [ 231.337260][ T6347] get_tree_bdev+0x358/0x544 [ 231.337961][ T6347] gfs2_get_tree+0x54/0x1b4 [ 231.338627][ T6347] vfs_get_tree+0x90/0x274 [ 231.339313][ T6347] do_new_mount+0x228/0x810 [ 231.340077][ T6347] path_mount+0x5b4/0x1000 [ 231.340778][ T6347] __arm64_sys_mount+0x514/0x5e4 [ 231.341572][ T6347] invoke_syscall+0x98/0x2b8 [ 231.342295][ T6347] el0_svc_common+0x138/0x258 [ 231.342974][ T6347] do_el0_svc+0x58/0x14c [ 231.343649][ T6347] el0_svc+0x78/0x1e0 [ 231.344291][ T6347] el0t_64_sync_handler+0xcc/0xe4 [ 231.345150][ T6347] el0t_64_sync+0x1a0/0x1a4 [ 231.347684][ T6347] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.349621][ T6347] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.478850][ T6349] loop1: detected capacity change from 0 to 32768 [ 231.560833][ T6349] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.561999][ T6349] CPU: 0 PID: 6349 Comm: syz.1.685 Not tainted syzkaller #0 [ 231.563000][ T6349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.564375][ T6349] Call trace: [ 231.564889][ T6349] dump_backtrace+0x0/0x43c [ 231.565639][ T6349] show_stack+0x2c/0x3c [ 231.566257][ T6349] __dump_stack+0x30/0x40 [ 231.566988][ T6349] dump_stack_lvl+0xf8/0x160 [ 231.567704][ T6349] dump_stack+0x1c/0x5c [ 231.568351][ T6349] sysfs_create_dir_ns+0x22c/0x24c [ 231.569132][ T6349] kobject_add_internal+0x590/0xc54 [ 231.569846][ T6349] kobject_init_and_add+0x118/0x17c [ 231.570648][ T6349] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.571385][ T6349] gfs2_fill_super+0xdac/0x19e0 [ 231.572090][ T6349] get_tree_bdev+0x358/0x544 [ 231.572774][ T6349] gfs2_get_tree+0x54/0x1b4 [ 231.573466][ T6349] vfs_get_tree+0x90/0x274 [ 231.574142][ T6349] do_new_mount+0x228/0x810 [ 231.574755][ T6349] path_mount+0x5b4/0x1000 [ 231.575507][ T6349] __arm64_sys_mount+0x514/0x5e4 [ 231.576294][ T6349] invoke_syscall+0x98/0x2b8 [ 231.576979][ T6349] el0_svc_common+0x138/0x258 [ 231.577712][ T6349] do_el0_svc+0x58/0x14c [ 231.578365][ T6349] el0_svc+0x78/0x1e0 [ 231.579008][ T6349] el0t_64_sync_handler+0xcc/0xe4 [ 231.579816][ T6349] el0t_64_sync+0x1a0/0x1a4 [ 231.580616][ T6349] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.582484][ T6349] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.710708][ T6351] loop1: detected capacity change from 0 to 32768 [ 231.764161][ T6351] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.765386][ T6351] CPU: 0 PID: 6351 Comm: syz.1.686 Not tainted syzkaller #0 [ 231.766484][ T6351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.767993][ T6351] Call trace: [ 231.768501][ T6351] dump_backtrace+0x0/0x43c [ 231.769219][ T6351] show_stack+0x2c/0x3c [ 231.769869][ T6351] __dump_stack+0x30/0x40 [ 231.770564][ T6351] dump_stack_lvl+0xf8/0x160 [ 231.771253][ T6351] dump_stack+0x1c/0x5c [ 231.771938][ T6351] sysfs_create_dir_ns+0x22c/0x24c [ 231.772753][ T6351] kobject_add_internal+0x590/0xc54 [ 231.773593][ T6351] kobject_init_and_add+0x118/0x17c [ 231.774385][ T6351] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.775123][ T6351] gfs2_fill_super+0xdac/0x19e0 [ 231.775884][ T6351] get_tree_bdev+0x358/0x544 [ 231.776591][ T6351] gfs2_get_tree+0x54/0x1b4 [ 231.777278][ T6351] vfs_get_tree+0x90/0x274 [ 231.777979][ T6351] do_new_mount+0x228/0x810 [ 231.778642][ T6351] path_mount+0x5b4/0x1000 [ 231.779300][ T6351] __arm64_sys_mount+0x514/0x5e4 [ 231.780028][ T6351] invoke_syscall+0x98/0x2b8 [ 231.780731][ T6351] el0_svc_common+0x138/0x258 [ 231.781468][ T6351] do_el0_svc+0x58/0x14c [ 231.782049][ T6351] el0_svc+0x78/0x1e0 [ 231.782645][ T6351] el0t_64_sync_handler+0xcc/0xe4 [ 231.783411][ T6351] el0t_64_sync+0x1a0/0x1a4 [ 231.785024][ T6351] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.787097][ T6351] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.978704][ T6353] loop1: detected capacity change from 0 to 32768 [ 232.071690][ T6353] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.072821][ T6353] CPU: 1 PID: 6353 Comm: syz.1.687 Not tainted syzkaller #0 [ 232.073973][ T6353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.075372][ T6353] Call trace: [ 232.075817][ T6353] dump_backtrace+0x0/0x43c [ 232.076460][ T6353] show_stack+0x2c/0x3c [ 232.077047][ T6353] __dump_stack+0x30/0x40 [ 232.077675][ T6353] dump_stack_lvl+0xf8/0x160 [ 232.078319][ T6353] dump_stack+0x1c/0x5c [ 232.078879][ T6353] sysfs_create_dir_ns+0x22c/0x24c [ 232.079590][ T6353] kobject_add_internal+0x590/0xc54 [ 232.080329][ T6353] kobject_init_and_add+0x118/0x17c [ 232.081104][ T6353] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.081790][ T6353] gfs2_fill_super+0xdac/0x19e0 [ 232.082596][ T6353] get_tree_bdev+0x358/0x544 [ 232.083317][ T6353] gfs2_get_tree+0x54/0x1b4 [ 232.083993][ T6353] vfs_get_tree+0x90/0x274 [ 232.084647][ T6353] do_new_mount+0x228/0x810 [ 232.085403][ T6353] path_mount+0x5b4/0x1000 [ 232.086075][ T6353] __arm64_sys_mount+0x514/0x5e4 [ 232.086819][ T6353] invoke_syscall+0x98/0x2b8 [ 232.087518][ T6353] el0_svc_common+0x138/0x258 [ 232.088218][ T6353] do_el0_svc+0x58/0x14c [ 232.088811][ T6353] el0_svc+0x78/0x1e0 [ 232.089357][ T6353] el0t_64_sync_handler+0xcc/0xe4 [ 232.090070][ T6353] el0t_64_sync+0x1a0/0x1a4 [ 232.090912][ T6353] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.092683][ T6353] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.261291][ T6355] loop1: detected capacity change from 0 to 32768 [ 232.310840][ T6355] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.311972][ T6355] CPU: 0 PID: 6355 Comm: syz.1.688 Not tainted syzkaller #0 [ 232.313081][ T6355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.314685][ T6355] Call trace: [ 232.315163][ T6355] dump_backtrace+0x0/0x43c [ 232.315794][ T6355] show_stack+0x2c/0x3c [ 232.316464][ T6355] __dump_stack+0x30/0x40 [ 232.317126][ T6355] dump_stack_lvl+0xf8/0x160 [ 232.317828][ T6355] dump_stack+0x1c/0x5c [ 232.318515][ T6355] sysfs_create_dir_ns+0x22c/0x24c [ 232.319266][ T6355] kobject_add_internal+0x590/0xc54 [ 232.320103][ T6355] kobject_init_and_add+0x118/0x17c [ 232.320934][ T6355] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.321712][ T6355] gfs2_fill_super+0xdac/0x19e0 [ 232.322483][ T6355] get_tree_bdev+0x358/0x544 [ 232.323193][ T6355] gfs2_get_tree+0x54/0x1b4 [ 232.323906][ T6355] vfs_get_tree+0x90/0x274 [ 232.324603][ T6355] do_new_mount+0x228/0x810 [ 232.325364][ T6355] path_mount+0x5b4/0x1000 [ 232.326052][ T6355] __arm64_sys_mount+0x514/0x5e4 [ 232.326827][ T6355] invoke_syscall+0x98/0x2b8 [ 232.327529][ T6355] el0_svc_common+0x138/0x258 [ 232.328223][ T6355] do_el0_svc+0x58/0x14c [ 232.328874][ T6355] el0_svc+0x78/0x1e0 [ 232.329533][ T6355] el0t_64_sync_handler+0xcc/0xe4 [ 232.330324][ T6355] el0t_64_sync+0x1a0/0x1a4 [ 232.331937][ T6355] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.333632][ T6355] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.466607][ T6357] loop1: detected capacity change from 0 to 32768 [ 232.475863][ T6357] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.477023][ T6357] CPU: 0 PID: 6357 Comm: syz.1.689 Not tainted syzkaller #0 [ 232.478042][ T6357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.479459][ T6357] Call trace: [ 232.479937][ T6357] dump_backtrace+0x0/0x43c [ 232.480596][ T6357] show_stack+0x2c/0x3c [ 232.481183][ T6357] __dump_stack+0x30/0x40 [ 232.481788][ T6357] dump_stack_lvl+0xf8/0x160 [ 232.482565][ T6357] dump_stack+0x1c/0x5c [ 232.483250][ T6357] sysfs_create_dir_ns+0x22c/0x24c [ 232.484033][ T6357] kobject_add_internal+0x590/0xc54 [ 232.484942][ T6357] kobject_init_and_add+0x118/0x17c [ 232.485788][ T6357] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.486641][ T6357] gfs2_fill_super+0xdac/0x19e0 [ 232.487437][ T6357] get_tree_bdev+0x358/0x544 [ 232.488188][ T6357] gfs2_get_tree+0x54/0x1b4 [ 232.488902][ T6357] vfs_get_tree+0x90/0x274 [ 232.489601][ T6357] do_new_mount+0x228/0x810 [ 232.490232][ T6357] path_mount+0x5b4/0x1000 [ 232.490889][ T6357] __arm64_sys_mount+0x514/0x5e4 [ 232.491734][ T6357] invoke_syscall+0x98/0x2b8 [ 232.492397][ T6357] el0_svc_common+0x138/0x258 [ 232.493158][ T6357] do_el0_svc+0x58/0x14c [ 232.493841][ T6357] el0_svc+0x78/0x1e0 [ 232.494481][ T6357] el0t_64_sync_handler+0xcc/0xe4 [ 232.495263][ T6357] el0t_64_sync+0x1a0/0x1a4 [ 232.496195][ T6357] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.498268][ T6357] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.632349][ T6359] loop1: detected capacity change from 0 to 32768 [ 232.679964][ T6359] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.681253][ T6359] CPU: 1 PID: 6359 Comm: syz.1.690 Not tainted syzkaller #0 [ 232.682295][ T6359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.683761][ T6359] Call trace: [ 232.684248][ T6359] dump_backtrace+0x0/0x43c [ 232.684982][ T6359] show_stack+0x2c/0x3c [ 232.685617][ T6359] __dump_stack+0x30/0x40 [ 232.686268][ T6359] dump_stack_lvl+0xf8/0x160 [ 232.687013][ T6359] dump_stack+0x1c/0x5c [ 232.687603][ T6359] sysfs_create_dir_ns+0x22c/0x24c [ 232.688346][ T6359] kobject_add_internal+0x590/0xc54 [ 232.689137][ T6359] kobject_init_and_add+0x118/0x17c [ 232.689849][ T6359] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.690626][ T6359] gfs2_fill_super+0xdac/0x19e0 [ 232.691339][ T6359] get_tree_bdev+0x358/0x544 [ 232.692044][ T6359] gfs2_get_tree+0x54/0x1b4 [ 232.692725][ T6359] vfs_get_tree+0x90/0x274 [ 232.693360][ T6359] do_new_mount+0x228/0x810 [ 232.693978][ T6359] path_mount+0x5b4/0x1000 [ 232.694637][ T6359] __arm64_sys_mount+0x514/0x5e4 [ 232.695358][ T6359] invoke_syscall+0x98/0x2b8 [ 232.696067][ T6359] el0_svc_common+0x138/0x258 [ 232.696812][ T6359] do_el0_svc+0x58/0x14c [ 232.697476][ T6359] el0_svc+0x78/0x1e0 [ 232.698076][ T6359] el0t_64_sync_handler+0xcc/0xe4 [ 232.698840][ T6359] el0t_64_sync+0x1a0/0x1a4 [ 232.699826][ T6359] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.702720][ T6359] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.836984][ T6361] loop1: detected capacity change from 0 to 32768 [ 232.870861][ T6361] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.872105][ T6361] CPU: 0 PID: 6361 Comm: syz.1.691 Not tainted syzkaller #0 [ 232.873293][ T6361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.874918][ T6361] Call trace: [ 232.875430][ T6361] dump_backtrace+0x0/0x43c [ 232.876177][ T6361] show_stack+0x2c/0x3c [ 232.876773][ T6361] __dump_stack+0x30/0x40 [ 232.877450][ T6361] dump_stack_lvl+0xf8/0x160 [ 232.878137][ T6361] dump_stack+0x1c/0x5c [ 232.878789][ T6361] sysfs_create_dir_ns+0x22c/0x24c [ 232.879523][ T6361] kobject_add_internal+0x590/0xc54 [ 232.880264][ T6361] kobject_init_and_add+0x118/0x17c [ 232.881049][ T6361] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.881727][ T6361] gfs2_fill_super+0xdac/0x19e0 [ 232.882457][ T6361] get_tree_bdev+0x358/0x544 [ 232.883095][ T6361] gfs2_get_tree+0x54/0x1b4 [ 232.883786][ T6361] vfs_get_tree+0x90/0x274 [ 232.884457][ T6361] do_new_mount+0x228/0x810 [ 232.885154][ T6361] path_mount+0x5b4/0x1000 [ 232.885887][ T6361] __arm64_sys_mount+0x514/0x5e4 [ 232.886642][ T6361] invoke_syscall+0x98/0x2b8 [ 232.887361][ T6361] el0_svc_common+0x138/0x258 [ 232.888069][ T6361] do_el0_svc+0x58/0x14c [ 232.888739][ T6361] el0_svc+0x78/0x1e0 [ 232.889400][ T6361] el0t_64_sync_handler+0xcc/0xe4 [ 232.890210][ T6361] el0t_64_sync+0x1a0/0x1a4 [ 232.891363][ T6361] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.893268][ T6361] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.094374][ T6363] loop1: detected capacity change from 0 to 32768 [ 233.131022][ T6363] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.132842][ T6363] CPU: 0 PID: 6363 Comm: syz.1.692 Not tainted syzkaller #0 [ 233.133956][ T6363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.135620][ T6363] Call trace: [ 233.136162][ T6363] dump_backtrace+0x0/0x43c [ 233.136941][ T6363] show_stack+0x2c/0x3c [ 233.137547][ T6363] __dump_stack+0x30/0x40 [ 233.138246][ T6363] dump_stack_lvl+0xf8/0x160 [ 233.138971][ T6363] dump_stack+0x1c/0x5c [ 233.139591][ T6363] sysfs_create_dir_ns+0x22c/0x24c [ 233.140386][ T6363] kobject_add_internal+0x590/0xc54 [ 233.141280][ T6363] kobject_init_and_add+0x118/0x17c [ 233.142141][ T6363] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.142913][ T6363] gfs2_fill_super+0xdac/0x19e0 [ 233.143682][ T6363] get_tree_bdev+0x358/0x544 [ 233.144431][ T6363] gfs2_get_tree+0x54/0x1b4 [ 233.145171][ T6363] vfs_get_tree+0x90/0x274 [ 233.145817][ T6363] do_new_mount+0x228/0x810 [ 233.146484][ T6363] path_mount+0x5b4/0x1000 [ 233.147164][ T6363] __arm64_sys_mount+0x514/0x5e4 [ 233.147920][ T6363] invoke_syscall+0x98/0x2b8 [ 233.148636][ T6363] el0_svc_common+0x138/0x258 [ 233.149352][ T6363] do_el0_svc+0x58/0x14c [ 233.149964][ T6363] el0_svc+0x78/0x1e0 [ 233.150542][ T6363] el0t_64_sync_handler+0xcc/0xe4 [ 233.151334][ T6363] el0t_64_sync+0x1a0/0x1a4 [ 233.152229][ T6363] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.154130][ T6363] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.287995][ T6365] loop1: detected capacity change from 0 to 32768 [ 233.295465][ T6365] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.296583][ T6365] CPU: 1 PID: 6365 Comm: syz.1.693 Not tainted syzkaller #0 [ 233.297631][ T6365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.299277][ T6365] Call trace: [ 233.299792][ T6365] dump_backtrace+0x0/0x43c [ 233.300517][ T6365] show_stack+0x2c/0x3c [ 233.301206][ T6365] __dump_stack+0x30/0x40 [ 233.301854][ T6365] dump_stack_lvl+0xf8/0x160 [ 233.302621][ T6365] dump_stack+0x1c/0x5c [ 233.303238][ T6365] sysfs_create_dir_ns+0x22c/0x24c [ 233.304064][ T6365] kobject_add_internal+0x590/0xc54 [ 233.304862][ T6365] kobject_init_and_add+0x118/0x17c [ 233.305704][ T6365] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.306433][ T6365] gfs2_fill_super+0xdac/0x19e0 [ 233.307187][ T6365] get_tree_bdev+0x358/0x544 [ 233.307861][ T6365] gfs2_get_tree+0x54/0x1b4 [ 233.308577][ T6365] vfs_get_tree+0x90/0x274 [ 233.309326][ T6365] do_new_mount+0x228/0x810 [ 233.310085][ T6365] path_mount+0x5b4/0x1000 [ 233.310818][ T6365] __arm64_sys_mount+0x514/0x5e4 [ 233.311636][ T6365] invoke_syscall+0x98/0x2b8 [ 233.312397][ T6365] el0_svc_common+0x138/0x258 [ 233.313109][ T6365] do_el0_svc+0x58/0x14c [ 233.313783][ T6365] el0_svc+0x78/0x1e0 [ 233.314395][ T6365] el0t_64_sync_handler+0xcc/0xe4 [ 233.315182][ T6365] el0t_64_sync+0x1a0/0x1a4 [ 233.317570][ T6365] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.319597][ T6365] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.448732][ T6367] loop1: detected capacity change from 0 to 32768 [ 233.449782][ T27] INFO: task kworker/1:19:4659 blocked for more than 143 seconds. [ 233.449802][ T27] Not tainted syzkaller #0 [ 233.449809][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.449816][ T27] task:kworker/1:19 state:D stack: 0 pid: 4659 ppid: 2 flags:0x00000008 [ 233.449833][ T27] Workqueue: gfs_recovery gfs2_recover_func [ 233.449855][ T27] Call trace: [ 233.449860][ T27] __switch_to+0x2f4/0x558 [ 233.456793][ T27] __schedule+0xe08/0x1bf8 [ 233.457533][ T27] schedule+0x11c/0x1c8 [ 233.458203][ T27] io_schedule+0x84/0x160 [ 233.458908][ T27] wait_on_page_bit_common+0x61c/0xa74 [ 233.460008][ T27] wait_on_page_bit+0x58/0x68 [ 233.460755][ T27] gfs2_jhead_process_page+0x1e0/0x698 [ 233.461662][ T27] gfs2_find_jhead+0xb6c/0xca8 [ 233.462499][ T27] gfs2_recover_func+0x500/0x157c [ 233.463351][ T27] process_one_work+0x79c/0x1140 [ 233.464099][ T27] worker_thread+0x8f4/0x101c [ 233.464791][ T27] kthread+0x374/0x454 [ 233.465449][ T27] ret_from_fork+0x10/0x20 [ 233.466121][ T27] INFO: task syz.0.16:4959 blocked for more than 143 seconds. [ 233.467289][ T27] Not tainted syzkaller #0 [ 233.468071][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.469466][ T27] task:syz.0.16 state:D stack: 0 pid: 4959 ppid: 4757 flags:0x00000009 [ 233.471046][ T27] Call trace: [ 233.471550][ T27] __switch_to+0x2f4/0x558 [ 233.472169][ T27] __schedule+0xe08/0x1bf8 [ 233.472808][ T27] schedule+0x11c/0x1c8 [ 233.473400][ T27] bit_wait+0x1c/0xac [ 233.473994][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 233.474803][ T27] gfs2_recover_journal+0xf0/0x16c [ 233.475493][ T27] init_journal+0x133c/0x1d7c [ 233.476200][ T27] init_inodes+0xe0/0x2d4 [ 233.476855][ T27] gfs2_fill_super+0x121c/0x19e0 [ 233.477585][ T27] get_tree_bdev+0x358/0x544 [ 233.478268][ T27] gfs2_get_tree+0x54/0x1b4 [ 233.478947][ T27] vfs_get_tree+0x90/0x274 [ 233.479599][ T27] do_new_mount+0x228/0x810 [ 233.480916][ T27] path_mount+0x5b4/0x1000 [ 233.481622][ T27] __arm64_sys_mount+0x514/0x5e4 [ 233.482524][ T27] invoke_syscall+0x98/0x2b8 [ 233.483205][ T27] el0_svc_common+0x138/0x258 [ 233.483884][ T27] do_el0_svc+0x58/0x14c [ 233.484553][ T27] el0_svc+0x78/0x1e0 [ 233.485285][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 233.486141][ T27] el0t_64_sync+0x1a0/0x1a4 [ 233.486870][ T27] [ 233.486870][ T27] Showing all locks held in the system: [ 233.488151][ T27] 1 lock held by khungtaskd/27: [ 233.488937][ T27] #0: ffff8000143513a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 233.491119][ T27] 2 locks held by getty/3801: [ 233.491791][ T27] #0: ffff0000d37b7098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 233.493287][ T27] #1: ffff80001bd5e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 233.494831][ T27] 2 locks held by kworker/1:19/4659: [ 233.495622][ T27] #0: ffff0000c6a4c938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 233.497375][ T27] #1: ffff80001fb47c00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 233.499152][ T27] 1 lock held by syz.0.16/4959: [ 233.500330][ T27] #0: ffff0000c14e40e0 (&type->s_umount_key#51/1){+.+.}-{3:3}, at: alloc_super+0x1a8/0x824 [ 233.500428][ T6367] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.501714][ T27] 2 locks held by syz.1.694/6367: [ 233.502798][ T6367] CPU: 1 PID: 6367 Comm: syz.1.694 Not tainted syzkaller #0 [ 233.503547][ T27] [ 233.504586][ T6367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.504894][ T27] ============================================= [ 233.504894][ T27] [ 233.506357][ T6367] Call trace: [ 233.507644][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 233.508064][ T6367] dump_backtrace+0x0/0x43c [ 233.509819][ T6367] show_stack+0x2c/0x3c [ 233.510404][ T6367] __dump_stack+0x30/0x40 [ 233.511024][ T6367] dump_stack_lvl+0xf8/0x160 [ 233.511717][ T6367] dump_stack+0x1c/0x5c [ 233.512305][ T6367] sysfs_create_dir_ns+0x22c/0x24c [ 233.513081][ T6367] kobject_add_internal+0x590/0xc54 [ 233.513857][ T6367] kobject_init_and_add+0x118/0x17c [ 233.514674][ T6367] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.515396][ T6367] gfs2_fill_super+0xdac/0x19e0 [ 233.516117][ T6367] get_tree_bdev+0x358/0x544 [ 233.516862][ T6367] gfs2_get_tree+0x54/0x1b4 [ 233.517603][ T6367] vfs_get_tree+0x90/0x274 [ 233.518312][ T6367] do_new_mount+0x228/0x810 [ 233.518986][ T6367] path_mount+0x5b4/0x1000 [ 233.519622][ T6367] __arm64_sys_mount+0x514/0x5e4 [ 233.520377][ T6367] invoke_syscall+0x98/0x2b8 [ 233.521039][ T6367] el0_svc_common+0x138/0x258 [ 233.521783][ T6367] do_el0_svc+0x58/0x14c [ 233.522438][ T6367] el0_svc+0x78/0x1e0 [ 233.523035][ T6367] el0t_64_sync_handler+0xcc/0xe4 [ 233.523779][ T6367] el0t_64_sync+0x1a0/0x1a4 [ 233.524486][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 233.525710][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.527339][ T27] Call trace: [ 233.527825][ T27] dump_backtrace+0x0/0x43c [ 233.528472][ T27] show_stack+0x2c/0x3c [ 233.529106][ T27] __dump_stack+0x30/0x40 [ 233.529747][ T27] dump_stack_lvl+0xf8/0x160 [ 233.530510][ T27] dump_stack+0x1c/0x5c [ 233.531086][ T27] panic+0x2e4/0x854 [ 233.531664][ T27] hung_task_panic+0x0/0x2c [ 233.532377][ T27] kthread+0x374/0x454 [ 233.533036][ T27] ret_from_fork+0x10/0x20 [ 233.533663][ T27] SMP: stopping secondary CPUs [ 233.534426][ T27] Kernel Offset: disabled [ 233.535107][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 233.535989][ T27] Memory Limit: none [ 233.873894][ T27] Rebooting in 86400 seconds..