not create duplicate filename '/fs/gfs2/syz:syz' [ 66.032534][ T4514] CPU: 0 PID: 4514 Comm: syz.1.34 Not tainted syzkaller #0 [ 66.033668][ T4514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.035288][ T4514] Call trace: [ 66.035809][ T4514] dump_backtrace+0x1c8/0x1f4 [ 66.036560][ T4514] show_stack+0x2c/0x3c [ 66.037221][ T4514] __dump_stack+0x30/0x40 [ 66.037837][ T4514] dump_stack_lvl+0xf8/0x160 [ 66.038489][ T4514] dump_stack+0x1c/0x5c [ 66.039197][ T4514] sysfs_create_dir_ns+0x22c/0x24c [ 66.039968][ T4514] kobject_add_internal+0x5a8/0xb30 [ 66.040772][ T4514] kobject_init_and_add+0x118/0x17c [ 66.041584][ T4514] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.042297][ T4514] gfs2_fill_super+0xdec/0x19ec [ 66.043082][ T4514] get_tree_bdev+0x358/0x544 [ 66.043753][ T4514] gfs2_get_tree+0x54/0x1b4 [ 66.044556][ T4514] vfs_get_tree+0x90/0x274 [ 66.045228][ T4514] do_new_mount+0x228/0x810 [ 66.045895][ T4514] path_mount+0x5b4/0xe78 [ 66.046546][ T4514] __arm64_sys_mount+0x49c/0x584 [ 66.047252][ T4514] invoke_syscall+0x98/0x2bc [ 66.047930][ T4514] el0_svc_common+0x138/0x258 [ 66.048677][ T4514] do_el0_svc+0x58/0x13c [ 66.049315][ T4514] el0_svc+0x58/0x138 [ 66.049918][ T4514] el0t_64_sync_handler+0x84/0xf0 [ 66.050696][ T4514] el0t_64_sync+0x18c/0x190 [ 66.052032][ T4514] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.055162][ T4514] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.179227][ T4516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.180395][ T4516] CPU: 1 PID: 4516 Comm: syz.1.35 Not tainted syzkaller #0 [ 66.181497][ T4516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.182971][ T4516] Call trace: [ 66.183451][ T4516] dump_backtrace+0x1c8/0x1f4 [ 66.184187][ T4516] show_stack+0x2c/0x3c [ 66.184889][ T4516] __dump_stack+0x30/0x40 [ 66.185546][ T4516] dump_stack_lvl+0xf8/0x160 [ 66.186281][ T4516] dump_stack+0x1c/0x5c [ 66.186889][ T4516] sysfs_create_dir_ns+0x22c/0x24c [ 66.187671][ T4516] kobject_add_internal+0x5a8/0xb30 [ 66.188449][ T4516] kobject_init_and_add+0x118/0x17c [ 66.189222][ T4516] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.189907][ T4516] gfs2_fill_super+0xdec/0x19ec [ 66.190615][ T4516] get_tree_bdev+0x358/0x544 [ 66.191317][ T4516] gfs2_get_tree+0x54/0x1b4 [ 66.191998][ T4516] vfs_get_tree+0x90/0x274 [ 66.192641][ T4516] do_new_mount+0x228/0x810 [ 66.193371][ T4516] path_mount+0x5b4/0xe78 [ 66.194058][ T4516] __arm64_sys_mount+0x49c/0x584 [ 66.194816][ T4516] invoke_syscall+0x98/0x2bc [ 66.195486][ T4516] el0_svc_common+0x138/0x258 [ 66.196202][ T4516] do_el0_svc+0x58/0x13c [ 66.196882][ T4516] el0_svc+0x58/0x138 [ 66.197506][ T4516] el0t_64_sync_handler+0x84/0xf0 [ 66.198274][ T4516] el0t_64_sync+0x18c/0x190 [ 66.200393][ T4516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.202295][ T4516] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.329261][ T4518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.330547][ T4518] CPU: 0 PID: 4518 Comm: syz.1.36 Not tainted syzkaller #0 [ 66.331727][ T4518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.333412][ T4518] Call trace: [ 66.333956][ T4518] dump_backtrace+0x1c8/0x1f4 [ 66.334757][ T4518] show_stack+0x2c/0x3c [ 66.335439][ T4518] __dump_stack+0x30/0x40 [ 66.336146][ T4518] dump_stack_lvl+0xf8/0x160 [ 66.336935][ T4518] dump_stack+0x1c/0x5c [ 66.337607][ T4518] sysfs_create_dir_ns+0x22c/0x24c [ 66.338497][ T4518] kobject_add_internal+0x5a8/0xb30 [ 66.339320][ T4518] kobject_init_and_add+0x118/0x17c [ 66.340154][ T4518] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.340897][ T4518] gfs2_fill_super+0xdec/0x19ec [ 66.341682][ T4518] get_tree_bdev+0x358/0x544 [ 66.342402][ T4518] gfs2_get_tree+0x54/0x1b4 [ 66.343154][ T4518] vfs_get_tree+0x90/0x274 [ 66.343852][ T4518] do_new_mount+0x228/0x810 [ 66.344592][ T4518] path_mount+0x5b4/0xe78 [ 66.345298][ T4518] __arm64_sys_mount+0x49c/0x584 [ 66.346132][ T4518] invoke_syscall+0x98/0x2bc [ 66.346823][ T4518] el0_svc_common+0x138/0x258 [ 66.347612][ T4518] do_el0_svc+0x58/0x13c [ 66.348261][ T4518] el0_svc+0x58/0x138 [ 66.348935][ T4518] el0t_64_sync_handler+0x84/0xf0 [ 66.349760][ T4518] el0t_64_sync+0x18c/0x190 [ 66.350615][ T4518] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.352690][ T4518] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.480588][ T4520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.481867][ T4520] CPU: 1 PID: 4520 Comm: syz.1.37 Not tainted syzkaller #0 [ 66.483057][ T4520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.484501][ T4520] Call trace: [ 66.485034][ T4520] dump_backtrace+0x1c8/0x1f4 [ 66.485832][ T4520] show_stack+0x2c/0x3c [ 66.486439][ T4520] __dump_stack+0x30/0x40 [ 66.487080][ T4520] dump_stack_lvl+0xf8/0x160 [ 66.487723][ T4520] dump_stack+0x1c/0x5c [ 66.488359][ T4520] sysfs_create_dir_ns+0x22c/0x24c [ 66.489154][ T4520] kobject_add_internal+0x5a8/0xb30 [ 66.490061][ T4520] kobject_init_and_add+0x118/0x17c [ 66.490881][ T4520] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.491609][ T4520] gfs2_fill_super+0xdec/0x19ec [ 66.492328][ T4520] get_tree_bdev+0x358/0x544 [ 66.493050][ T4520] gfs2_get_tree+0x54/0x1b4 [ 66.493745][ T4520] vfs_get_tree+0x90/0x274 [ 66.494400][ T4520] do_new_mount+0x228/0x810 [ 66.495075][ T4520] path_mount+0x5b4/0xe78 [ 66.495661][ T4520] __arm64_sys_mount+0x49c/0x584 [ 66.496387][ T4520] invoke_syscall+0x98/0x2bc [ 66.497115][ T4520] el0_svc_common+0x138/0x258 [ 66.497832][ T4520] do_el0_svc+0x58/0x13c [ 66.498426][ T4520] el0_svc+0x58/0x138 [ 66.499042][ T4520] el0t_64_sync_handler+0x84/0xf0 [ 66.499801][ T4520] el0t_64_sync+0x18c/0x190 [ 66.501855][ T4520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.504988][ T4520] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.633344][ T4522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.634835][ T4522] CPU: 0 PID: 4522 Comm: syz.1.38 Not tainted syzkaller #0 [ 66.635987][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.637489][ T4522] Call trace: [ 66.637978][ T4522] dump_backtrace+0x1c8/0x1f4 [ 66.639167][ T4522] show_stack+0x2c/0x3c [ 66.639740][ T4522] __dump_stack+0x30/0x40 [ 66.640439][ T4522] dump_stack_lvl+0xf8/0x160 [ 66.641174][ T4522] dump_stack+0x1c/0x5c [ 66.641832][ T4522] sysfs_create_dir_ns+0x22c/0x24c [ 66.642618][ T4522] kobject_add_internal+0x5a8/0xb30 [ 66.643426][ T4522] kobject_init_and_add+0x118/0x17c [ 66.644249][ T4522] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.644975][ T4522] gfs2_fill_super+0xdec/0x19ec [ 66.645665][ T4522] get_tree_bdev+0x358/0x544 [ 66.646333][ T4522] gfs2_get_tree+0x54/0x1b4 [ 66.647013][ T4522] vfs_get_tree+0x90/0x274 [ 66.647662][ T4522] do_new_mount+0x228/0x810 [ 66.648330][ T4522] path_mount+0x5b4/0xe78 [ 66.648992][ T4522] __arm64_sys_mount+0x49c/0x584 [ 66.649723][ T4522] invoke_syscall+0x98/0x2bc [ 66.650414][ T4522] el0_svc_common+0x138/0x258 [ 66.651134][ T4522] do_el0_svc+0x58/0x13c [ 66.651792][ T4522] el0_svc+0x58/0x138 [ 66.652414][ T4522] el0t_64_sync_handler+0x84/0xf0 [ 66.653170][ T4522] el0t_64_sync+0x18c/0x190 [ 66.654549][ T4522] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.656715][ T4522] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.780933][ T4524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.782109][ T4524] CPU: 0 PID: 4524 Comm: syz.1.39 Not tainted syzkaller #0 [ 66.783242][ T4524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.784746][ T4524] Call trace: [ 66.785279][ T4524] dump_backtrace+0x1c8/0x1f4 [ 66.786078][ T4524] show_stack+0x2c/0x3c [ 66.786788][ T4524] __dump_stack+0x30/0x40 [ 66.787433][ T4524] dump_stack_lvl+0xf8/0x160 [ 66.788113][ T4524] dump_stack+0x1c/0x5c [ 66.788756][ T4524] sysfs_create_dir_ns+0x22c/0x24c [ 66.789544][ T4524] kobject_add_internal+0x5a8/0xb30 [ 66.790322][ T4524] kobject_init_and_add+0x118/0x17c [ 66.791110][ T4524] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.791822][ T4524] gfs2_fill_super+0xdec/0x19ec [ 66.792598][ T4524] get_tree_bdev+0x358/0x544 [ 66.793305][ T4524] gfs2_get_tree+0x54/0x1b4 [ 66.794068][ T4524] vfs_get_tree+0x90/0x274 [ 66.794766][ T4524] do_new_mount+0x228/0x810 [ 66.795466][ T4524] path_mount+0x5b4/0xe78 [ 66.796149][ T4524] __arm64_sys_mount+0x49c/0x584 [ 66.796938][ T4524] invoke_syscall+0x98/0x2bc [ 66.797678][ T4524] el0_svc_common+0x138/0x258 [ 66.798430][ T4524] do_el0_svc+0x58/0x13c [ 66.799089][ T4524] el0_svc+0x58/0x138 [ 66.799715][ T4524] el0t_64_sync_handler+0x84/0xf0 [ 66.800505][ T4524] el0t_64_sync+0x18c/0x190 [ 66.801933][ T4524] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.804163][ T4524] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.929762][ T4526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.930908][ T4526] CPU: 1 PID: 4526 Comm: syz.1.40 Not tainted syzkaller #0 [ 66.931997][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.933400][ T4526] Call trace: [ 66.933898][ T4526] dump_backtrace+0x1c8/0x1f4 [ 66.934593][ T4526] show_stack+0x2c/0x3c [ 66.935222][ T4526] __dump_stack+0x30/0x40 [ 66.935918][ T4526] dump_stack_lvl+0xf8/0x160 [ 66.936616][ T4526] dump_stack+0x1c/0x5c [ 66.937276][ T4526] sysfs_create_dir_ns+0x22c/0x24c [ 66.938124][ T4526] kobject_add_internal+0x5a8/0xb30 [ 66.938933][ T4526] kobject_init_and_add+0x118/0x17c [ 66.939722][ T4526] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.940502][ T4526] gfs2_fill_super+0xdec/0x19ec [ 66.941201][ T4526] get_tree_bdev+0x358/0x544 [ 66.941929][ T4526] gfs2_get_tree+0x54/0x1b4 [ 66.942593][ T4526] vfs_get_tree+0x90/0x274 [ 66.943338][ T4526] do_new_mount+0x228/0x810 [ 66.944049][ T4526] path_mount+0x5b4/0xe78 [ 66.944733][ T4526] __arm64_sys_mount+0x49c/0x584 [ 66.945488][ T4526] invoke_syscall+0x98/0x2bc [ 66.946192][ T4526] el0_svc_common+0x138/0x258 [ 66.946939][ T4526] do_el0_svc+0x58/0x13c [ 66.947543][ T4526] el0_svc+0x58/0x138 [ 66.948162][ T4526] el0t_64_sync_handler+0x84/0xf0 [ 66.948932][ T4526] el0t_64_sync+0x18c/0x190 [ 66.950255][ T4526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.952273][ T4526] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.053546][ T47] Bluetooth: hci1: command 0x041b tx timeout [ 67.079189][ T4528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.080371][ T4528] CPU: 0 PID: 4528 Comm: syz.1.41 Not tainted syzkaller #0 [ 67.081504][ T4528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.083068][ T4528] Call trace: [ 67.083576][ T4528] dump_backtrace+0x1c8/0x1f4 [ 67.084385][ T4528] show_stack+0x2c/0x3c [ 67.085011][ T4528] __dump_stack+0x30/0x40 [ 67.085689][ T4528] dump_stack_lvl+0xf8/0x160 [ 67.086408][ T4528] dump_stack+0x1c/0x5c [ 67.087066][ T4528] sysfs_create_dir_ns+0x22c/0x24c [ 67.087907][ T4528] kobject_add_internal+0x5a8/0xb30 [ 67.088814][ T4528] kobject_init_and_add+0x118/0x17c [ 67.089612][ T4528] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.090381][ T4528] gfs2_fill_super+0xdec/0x19ec [ 67.091110][ T4528] get_tree_bdev+0x358/0x544 [ 67.091783][ T4528] gfs2_get_tree+0x54/0x1b4 [ 67.092450][ T4528] vfs_get_tree+0x90/0x274 [ 67.093080][ T4528] do_new_mount+0x228/0x810 [ 67.093776][ T4528] path_mount+0x5b4/0xe78 [ 67.094467][ T4528] __arm64_sys_mount+0x49c/0x584 [ 67.095230][ T4528] invoke_syscall+0x98/0x2bc [ 67.095890][ T4528] el0_svc_common+0x138/0x258 [ 67.096552][ T4528] do_el0_svc+0x58/0x13c [ 67.097195][ T4528] el0_svc+0x58/0x138 [ 67.097813][ T4528] el0t_64_sync_handler+0x84/0xf0 [ 67.098580][ T4528] el0t_64_sync+0x18c/0x190 [ 67.100655][ T4528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.102703][ T4528] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.229954][ T4530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.231093][ T4530] CPU: 1 PID: 4530 Comm: syz.1.42 Not tainted syzkaller #0 [ 67.232243][ T4530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.233794][ T4530] Call trace: [ 67.234274][ T4530] dump_backtrace+0x1c8/0x1f4 [ 67.235006][ T4530] show_stack+0x2c/0x3c [ 67.235613][ T4530] __dump_stack+0x30/0x40 [ 67.236320][ T4530] dump_stack_lvl+0xf8/0x160 [ 67.237025][ T4530] dump_stack+0x1c/0x5c [ 67.237681][ T4530] sysfs_create_dir_ns+0x22c/0x24c [ 67.238443][ T4530] kobject_add_internal+0x5a8/0xb30 [ 67.239217][ T4530] kobject_init_and_add+0x118/0x17c [ 67.240082][ T4530] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.240799][ T4530] gfs2_fill_super+0xdec/0x19ec [ 67.241533][ T4530] get_tree_bdev+0x358/0x544 [ 67.242179][ T4530] gfs2_get_tree+0x54/0x1b4 [ 67.242862][ T4530] vfs_get_tree+0x90/0x274 [ 67.243545][ T4530] do_new_mount+0x228/0x810 [ 67.244250][ T4530] path_mount+0x5b4/0xe78 [ 67.244930][ T4530] __arm64_sys_mount+0x49c/0x584 [ 67.245654][ T4530] invoke_syscall+0x98/0x2bc [ 67.246322][ T4530] el0_svc_common+0x138/0x258 [ 67.247065][ T4530] do_el0_svc+0x58/0x13c [ 67.247781][ T4530] el0_svc+0x58/0x138 [ 67.248407][ T4530] el0t_64_sync_handler+0x84/0xf0 [ 67.249107][ T4530] el0t_64_sync+0x18c/0x190 [ 67.249959][ T4530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.252293][ T4530] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.375983][ T4532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.377166][ T4532] CPU: 0 PID: 4532 Comm: syz.1.43 Not tainted syzkaller #0 [ 67.378228][ T4532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.379693][ T4532] Call trace: [ 67.380220][ T4532] dump_backtrace+0x1c8/0x1f4 [ 67.380979][ T4532] show_stack+0x2c/0x3c [ 67.381578][ T4532] __dump_stack+0x30/0x40 [ 67.382193][ T4532] dump_stack_lvl+0xf8/0x160 [ 67.382823][ T4532] dump_stack+0x1c/0x5c [ 67.383471][ T4532] sysfs_create_dir_ns+0x22c/0x24c [ 67.384272][ T4532] kobject_add_internal+0x5a8/0xb30 [ 67.385131][ T4532] kobject_init_and_add+0x118/0x17c [ 67.385981][ T4532] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.386708][ T4532] gfs2_fill_super+0xdec/0x19ec [ 67.387407][ T4532] get_tree_bdev+0x358/0x544 [ 67.388044][ T4532] gfs2_get_tree+0x54/0x1b4 [ 67.388742][ T4532] vfs_get_tree+0x90/0x274 [ 67.389364][ T4532] do_new_mount+0x228/0x810 [ 67.390022][ T4532] path_mount+0x5b4/0xe78 [ 67.390689][ T4532] __arm64_sys_mount+0x49c/0x584 [ 67.391549][ T4532] invoke_syscall+0x98/0x2bc [ 67.392248][ T4532] el0_svc_common+0x138/0x258 [ 67.392993][ T4532] do_el0_svc+0x58/0x13c [ 67.393683][ T4532] el0_svc+0x58/0x138 [ 67.394328][ T4532] el0t_64_sync_handler+0x84/0xf0 [ 67.395092][ T4532] el0t_64_sync+0x18c/0x190 [ 67.397077][ T4532] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.399293][ T4532] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.526871][ T4534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.528118][ T4534] CPU: 1 PID: 4534 Comm: syz.1.44 Not tainted syzkaller #0 [ 67.529315][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.530888][ T4534] Call trace: [ 67.531359][ T4534] dump_backtrace+0x1c8/0x1f4 [ 67.532062][ T4534] show_stack+0x2c/0x3c [ 67.532642][ T4534] __dump_stack+0x30/0x40 [ 67.533356][ T4534] dump_stack_lvl+0xf8/0x160 [ 67.534106][ T4534] dump_stack+0x1c/0x5c [ 67.534741][ T4534] sysfs_create_dir_ns+0x22c/0x24c [ 67.535595][ T4534] kobject_add_internal+0x5a8/0xb30 [ 67.536417][ T4534] kobject_init_and_add+0x118/0x17c [ 67.537209][ T4534] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.537931][ T4534] gfs2_fill_super+0xdec/0x19ec [ 67.538666][ T4534] get_tree_bdev+0x358/0x544 [ 67.539376][ T4534] gfs2_get_tree+0x54/0x1b4 [ 67.540042][ T4534] vfs_get_tree+0x90/0x274 [ 67.540698][ T4534] do_new_mount+0x228/0x810 [ 67.541395][ T4534] path_mount+0x5b4/0xe78 [ 67.542064][ T4534] __arm64_sys_mount+0x49c/0x584 [ 67.542807][ T4534] invoke_syscall+0x98/0x2bc [ 67.543525][ T4534] el0_svc_common+0x138/0x258 [ 67.544246][ T4534] do_el0_svc+0x58/0x13c [ 67.544914][ T4534] el0_svc+0x58/0x138 [ 67.545495][ T4534] el0t_64_sync_handler+0x84/0xf0 [ 67.546260][ T4534] el0t_64_sync+0x18c/0x190 [ 67.547619][ T4534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.549650][ T4534] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.685622][ T4536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.686798][ T4536] CPU: 1 PID: 4536 Comm: syz.1.45 Not tainted syzkaller #0 [ 67.687909][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.689449][ T4536] Call trace: [ 67.689966][ T4536] dump_backtrace+0x1c8/0x1f4 [ 67.690732][ T4536] show_stack+0x2c/0x3c [ 67.691357][ T4536] __dump_stack+0x30/0x40 [ 67.691996][ T4536] dump_stack_lvl+0xf8/0x160 [ 67.692679][ T4536] dump_stack+0x1c/0x5c [ 67.693347][ T4536] sysfs_create_dir_ns+0x22c/0x24c [ 67.694138][ T4536] kobject_add_internal+0x5a8/0xb30 [ 67.694954][ T4536] kobject_init_and_add+0x118/0x17c [ 67.695718][ T4536] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.696447][ T4536] gfs2_fill_super+0xdec/0x19ec [ 67.697226][ T4536] get_tree_bdev+0x358/0x544 [ 67.697892][ T4536] gfs2_get_tree+0x54/0x1b4 [ 67.698566][ T4536] vfs_get_tree+0x90/0x274 [ 67.699245][ T4536] do_new_mount+0x228/0x810 [ 67.699941][ T4536] path_mount+0x5b4/0xe78 [ 67.700594][ T4536] __arm64_sys_mount+0x49c/0x584 [ 67.701321][ T4536] invoke_syscall+0x98/0x2bc [ 67.702062][ T4536] el0_svc_common+0x138/0x258 [ 67.702730][ T4536] do_el0_svc+0x58/0x13c [ 67.703415][ T4536] el0_svc+0x58/0x138 [ 67.704002][ T4536] el0t_64_sync_handler+0x84/0xf0 [ 67.704785][ T4536] el0t_64_sync+0x18c/0x190 [ 67.706730][ T4536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.708630][ T4536] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.840933][ T4538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.842134][ T4538] CPU: 1 PID: 4538 Comm: syz.1.46 Not tainted syzkaller #0 [ 67.843301][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.844933][ T4538] Call trace: [ 67.845452][ T4538] dump_backtrace+0x1c8/0x1f4 [ 67.846217][ T4538] show_stack+0x2c/0x3c [ 67.846875][ T4538] __dump_stack+0x30/0x40 [ 67.847570][ T4538] dump_stack_lvl+0xf8/0x160 [ 67.848302][ T4538] dump_stack+0x1c/0x5c [ 67.848942][ T4538] sysfs_create_dir_ns+0x22c/0x24c [ 67.849725][ T4538] kobject_add_internal+0x5a8/0xb30 [ 67.850549][ T4538] kobject_init_and_add+0x118/0x17c [ 67.851357][ T4538] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.852038][ T4538] gfs2_fill_super+0xdec/0x19ec [ 67.852798][ T4538] get_tree_bdev+0x358/0x544 [ 67.853562][ T4538] gfs2_get_tree+0x54/0x1b4 [ 67.854234][ T4538] vfs_get_tree+0x90/0x274 [ 67.854928][ T4538] do_new_mount+0x228/0x810 [ 67.855619][ T4538] path_mount+0x5b4/0xe78 [ 67.856331][ T4538] __arm64_sys_mount+0x49c/0x584 [ 67.857086][ T4538] invoke_syscall+0x98/0x2bc [ 67.857770][ T4538] el0_svc_common+0x138/0x258 [ 67.858484][ T4538] do_el0_svc+0x58/0x13c [ 67.859125][ T4538] el0_svc+0x58/0x138 [ 67.859752][ T4538] el0t_64_sync_handler+0x84/0xf0 [ 67.860503][ T4538] el0t_64_sync+0x18c/0x190 [ 67.861544][ T4538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.864128][ T4538] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.988697][ T4540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.990379][ T4540] CPU: 0 PID: 4540 Comm: syz.1.47 Not tainted syzkaller #0 [ 67.991511][ T4540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.993064][ T4540] Call trace: [ 67.993570][ T4540] dump_backtrace+0x1c8/0x1f4 [ 67.994309][ T4540] show_stack+0x2c/0x3c [ 67.994936][ T4540] __dump_stack+0x30/0x40 [ 67.995583][ T4540] dump_stack_lvl+0xf8/0x160 [ 67.996310][ T4540] dump_stack+0x1c/0x5c [ 67.997006][ T4540] sysfs_create_dir_ns+0x22c/0x24c [ 67.997755][ T4540] kobject_add_internal+0x5a8/0xb30 [ 67.998559][ T4540] kobject_init_and_add+0x118/0x17c [ 67.999359][ T4540] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.000121][ T4540] gfs2_fill_super+0xdec/0x19ec [ 68.000910][ T4540] get_tree_bdev+0x358/0x544 [ 68.001670][ T4540] gfs2_get_tree+0x54/0x1b4 [ 68.002369][ T4540] vfs_get_tree+0x90/0x274 [ 68.003028][ T4540] do_new_mount+0x228/0x810 [ 68.003726][ T4540] path_mount+0x5b4/0xe78 [ 68.004399][ T4540] __arm64_sys_mount+0x49c/0x584 [ 68.005197][ T4540] invoke_syscall+0x98/0x2bc [ 68.005937][ T4540] el0_svc_common+0x138/0x258 [ 68.006657][ T4540] do_el0_svc+0x58/0x13c [ 68.007331][ T4540] el0_svc+0x58/0x138 [ 68.007943][ T4540] el0t_64_sync_handler+0x84/0xf0 [ 68.008704][ T4540] el0t_64_sync+0x18c/0x190 [ 68.010034][ T4540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.012122][ T4540] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.129404][ T4542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.130585][ T4542] CPU: 0 PID: 4542 Comm: syz.1.48 Not tainted syzkaller #0 [ 68.131668][ T4542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.133218][ T4542] Call trace: [ 68.133733][ T4542] dump_backtrace+0x1c8/0x1f4 [ 68.134502][ T4542] show_stack+0x2c/0x3c [ 68.135216][ T4542] __dump_stack+0x30/0x40 [ 68.135860][ T4542] dump_stack_lvl+0xf8/0x160 [ 68.136606][ T4542] dump_stack+0x1c/0x5c [ 68.137245][ T4542] sysfs_create_dir_ns+0x22c/0x24c [ 68.138052][ T4542] kobject_add_internal+0x5a8/0xb30 [ 68.138882][ T4542] kobject_init_and_add+0x118/0x17c [ 68.139706][ T4542] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.140470][ T4542] gfs2_fill_super+0xdec/0x19ec [ 68.141246][ T4542] get_tree_bdev+0x358/0x544 [ 68.141962][ T4542] gfs2_get_tree+0x54/0x1b4 [ 68.142670][ T4542] vfs_get_tree+0x90/0x274 [ 68.143354][ T4542] do_new_mount+0x228/0x810 [ 68.144026][ T4542] path_mount+0x5b4/0xe78 [ 68.144722][ T4542] __arm64_sys_mount+0x49c/0x584 [ 68.145427][ T4542] invoke_syscall+0x98/0x2bc [ 68.146135][ T4542] el0_svc_common+0x138/0x258 [ 68.146897][ T4542] do_el0_svc+0x58/0x13c [ 68.147543][ T4542] el0_svc+0x58/0x138 [ 68.148142][ T4542] el0t_64_sync_handler+0x84/0xf0 [ 68.148910][ T4542] el0t_64_sync+0x18c/0x190 [ 68.150045][ T4542] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.152269][ T4542] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.279275][ T4544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.280506][ T4544] CPU: 1 PID: 4544 Comm: syz.1.49 Not tainted syzkaller #0 [ 68.281649][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.283187][ T4544] Call trace: [ 68.283684][ T4544] dump_backtrace+0x1c8/0x1f4 [ 68.284459][ T4544] show_stack+0x2c/0x3c [ 68.285193][ T4544] __dump_stack+0x30/0x40 [ 68.285851][ T4544] dump_stack_lvl+0xf8/0x160 [ 68.286522][ T4544] dump_stack+0x1c/0x5c [ 68.287165][ T4544] sysfs_create_dir_ns+0x22c/0x24c [ 68.288004][ T4544] kobject_add_internal+0x5a8/0xb30 [ 68.288769][ T4544] kobject_init_and_add+0x118/0x17c [ 68.289553][ T4544] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.290326][ T4544] gfs2_fill_super+0xdec/0x19ec [ 68.291107][ T4544] get_tree_bdev+0x358/0x544 [ 68.291821][ T4544] gfs2_get_tree+0x54/0x1b4 [ 68.292559][ T4544] vfs_get_tree+0x90/0x274 [ 68.293272][ T4544] do_new_mount+0x228/0x810 [ 68.293928][ T4544] path_mount+0x5b4/0xe78 [ 68.294611][ T4544] __arm64_sys_mount+0x49c/0x584 [ 68.295387][ T4544] invoke_syscall+0x98/0x2bc [ 68.296134][ T4544] el0_svc_common+0x138/0x258 [ 68.296846][ T4544] do_el0_svc+0x58/0x13c [ 68.297469][ T4544] el0_svc+0x58/0x138 [ 68.298077][ T4544] el0t_64_sync_handler+0x84/0xf0 [ 68.298948][ T4544] el0t_64_sync+0x18c/0x190 [ 68.299830][ T4544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.302219][ T4544] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.427690][ T4546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.428925][ T4546] CPU: 0 PID: 4546 Comm: syz.1.50 Not tainted syzkaller #0 [ 68.430173][ T4546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.431835][ T4546] Call trace: [ 68.432370][ T4546] dump_backtrace+0x1c8/0x1f4 [ 68.433139][ T4546] show_stack+0x2c/0x3c [ 68.433795][ T4546] __dump_stack+0x30/0x40 [ 68.434491][ T4546] dump_stack_lvl+0xf8/0x160 [ 68.435256][ T4546] dump_stack+0x1c/0x5c [ 68.435869][ T4546] sysfs_create_dir_ns+0x22c/0x24c [ 68.436632][ T4546] kobject_add_internal+0x5a8/0xb30 [ 68.437430][ T4546] kobject_init_and_add+0x118/0x17c [ 68.438216][ T4546] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.438925][ T4546] gfs2_fill_super+0xdec/0x19ec [ 68.439698][ T4546] get_tree_bdev+0x358/0x544 [ 68.440436][ T4546] gfs2_get_tree+0x54/0x1b4 [ 68.441147][ T4546] vfs_get_tree+0x90/0x274 [ 68.441818][ T4546] do_new_mount+0x228/0x810 [ 68.442501][ T4546] path_mount+0x5b4/0xe78 [ 68.443196][ T4546] __arm64_sys_mount+0x49c/0x584 [ 68.444013][ T4546] invoke_syscall+0x98/0x2bc [ 68.444759][ T4546] el0_svc_common+0x138/0x258 [ 68.445546][ T4546] do_el0_svc+0x58/0x13c [ 68.446207][ T4546] el0_svc+0x58/0x138 [ 68.446847][ T4546] el0t_64_sync_handler+0x84/0xf0 [ 68.447605][ T4546] el0t_64_sync+0x18c/0x190 [ 68.448877][ T4546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.451257][ T4546] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.600111][ T4549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.601448][ T4549] CPU: 0 PID: 4549 Comm: syz.1.51 Not tainted syzkaller #0 [ 68.602544][ T4549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.604123][ T4549] Call trace: [ 68.604631][ T4549] dump_backtrace+0x1c8/0x1f4 [ 68.605380][ T4549] show_stack+0x2c/0x3c [ 68.606008][ T4549] __dump_stack+0x30/0x40 [ 68.606702][ T4549] dump_stack_lvl+0xf8/0x160 [ 68.607380][ T4549] dump_stack+0x1c/0x5c [ 68.608105][ T4549] sysfs_create_dir_ns+0x22c/0x24c [ 68.608810][ T4549] kobject_add_internal+0x5a8/0xb30 [ 68.609561][ T4549] kobject_init_and_add+0x118/0x17c [ 68.610369][ T4549] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.611099][ T4549] gfs2_fill_super+0xdec/0x19ec [ 68.611875][ T4549] get_tree_bdev+0x358/0x544 [ 68.612579][ T4549] gfs2_get_tree+0x54/0x1b4 [ 68.613275][ T4549] vfs_get_tree+0x90/0x274 [ 68.613892][ T4549] do_new_mount+0x228/0x810 [ 68.614557][ T4549] path_mount+0x5b4/0xe78 [ 68.615226][ T4549] __arm64_sys_mount+0x49c/0x584 [ 68.615996][ T4549] invoke_syscall+0x98/0x2bc [ 68.616724][ T4549] el0_svc_common+0x138/0x258 [ 68.617494][ T4549] do_el0_svc+0x58/0x13c [ 68.618137][ T4549] el0_svc+0x58/0x138 [ 68.618695][ T4549] el0t_64_sync_handler+0x84/0xf0 [ 68.619406][ T4549] el0t_64_sync+0x18c/0x190 [ 68.622377][ T4549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.624486][ T4549] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:08 executed programs: 37 [ 68.745005][ T4551] set_capacity_and_notify: 23 callbacks suppressed [ 68.745014][ T4551] loop1: detected capacity change from 0 to 32768 [ 68.751730][ T4551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.752905][ T4551] CPU: 0 PID: 4551 Comm: syz.1.52 Not tainted syzkaller #0 [ 68.754020][ T4551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.755595][ T4551] Call trace: [ 68.756060][ T4551] dump_backtrace+0x1c8/0x1f4 [ 68.756721][ T4551] show_stack+0x2c/0x3c [ 68.757281][ T4551] __dump_stack+0x30/0x40 [ 68.757948][ T4551] dump_stack_lvl+0xf8/0x160 [ 68.758583][ T4551] dump_stack+0x1c/0x5c [ 68.759198][ T4551] sysfs_create_dir_ns+0x22c/0x24c [ 68.759911][ T4551] kobject_add_internal+0x5a8/0xb30 [ 68.760670][ T4551] kobject_init_and_add+0x118/0x17c [ 68.761457][ T4551] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.762121][ T4551] gfs2_fill_super+0xdec/0x19ec [ 68.762823][ T4551] get_tree_bdev+0x358/0x544 [ 68.763531][ T4551] gfs2_get_tree+0x54/0x1b4 [ 68.764231][ T4551] vfs_get_tree+0x90/0x274 [ 68.764908][ T4551] do_new_mount+0x228/0x810 [ 68.765588][ T4551] path_mount+0x5b4/0xe78 [ 68.766229][ T4551] __arm64_sys_mount+0x49c/0x584 [ 68.766954][ T4551] invoke_syscall+0x98/0x2bc [ 68.767703][ T4551] el0_svc_common+0x138/0x258 [ 68.768464][ T4551] do_el0_svc+0x58/0x13c [ 68.769105][ T4551] el0_svc+0x58/0x138 [ 68.769702][ T4551] el0t_64_sync_handler+0x84/0xf0 [ 68.770451][ T4551] el0t_64_sync+0x18c/0x190 [ 68.771783][ T4551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.773716][ T4551] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.892356][ T4553] loop1: detected capacity change from 0 to 32768 [ 68.897693][ T4553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.899322][ T4553] CPU: 1 PID: 4553 Comm: syz.1.53 Not tainted syzkaller #0 [ 68.900436][ T4553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.901942][ T4553] Call trace: [ 68.902463][ T4553] dump_backtrace+0x1c8/0x1f4 [ 68.903243][ T4553] show_stack+0x2c/0x3c [ 68.903919][ T4553] __dump_stack+0x30/0x40 [ 68.904626][ T4553] dump_stack_lvl+0xf8/0x160 [ 68.905339][ T4553] dump_stack+0x1c/0x5c [ 68.905916][ T4553] sysfs_create_dir_ns+0x22c/0x24c [ 68.906703][ T4553] kobject_add_internal+0x5a8/0xb30 [ 68.907489][ T4553] kobject_init_and_add+0x118/0x17c [ 68.908250][ T4553] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.908959][ T4553] gfs2_fill_super+0xdec/0x19ec [ 68.909659][ T4553] get_tree_bdev+0x358/0x544 [ 68.910327][ T4553] gfs2_get_tree+0x54/0x1b4 [ 68.910978][ T4553] vfs_get_tree+0x90/0x274 [ 68.911668][ T4553] do_new_mount+0x228/0x810 [ 68.912385][ T4553] path_mount+0x5b4/0xe78 [ 68.913041][ T4553] __arm64_sys_mount+0x49c/0x584 [ 68.913839][ T4553] invoke_syscall+0x98/0x2bc [ 68.914510][ T4553] el0_svc_common+0x138/0x258 [ 68.915173][ T4553] do_el0_svc+0x58/0x13c [ 68.915835][ T4553] el0_svc+0x58/0x138 [ 68.916472][ T4553] el0t_64_sync_handler+0x84/0xf0 [ 68.917246][ T4553] el0t_64_sync+0x18c/0x190 [ 68.918835][ T4553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.920881][ T4553] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.041967][ T4555] loop1: detected capacity change from 0 to 32768 [ 69.043714][ T4555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.044895][ T4555] CPU: 0 PID: 4555 Comm: syz.1.54 Not tainted syzkaller #0 [ 69.046026][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 69.047622][ T4555] Call trace: [ 69.048163][ T4555] dump_backtrace+0x1c8/0x1f4 [ 69.048981][ T4555] show_stack+0x2c/0x3c [ 69.049599][ T4555] __dump_stack+0x30/0x40 [ 69.050312][ T4555] dump_stack_lvl+0xf8/0x160 [ 69.051044][ T4555] dump_stack+0x1c/0x5c [ 69.051713][ T4555] sysfs_create_dir_ns+0x22c/0x24c [ 69.052485][ T4555] kobject_add_internal+0x5a8/0xb30 [ 69.053293][ T4555] kobject_init_and_add+0x118/0x17c [ 69.054092][ T4555] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.054798][ T4555] gfs2_fill_super+0xdec/0x19ec [ 69.055470][ T4555] get_tree_bdev+0x358/0x544 [ 69.056200][ T4555] gfs2_get_tree+0x54/0x1b4 [ 69.056890][ T4555] vfs_get_tree+0x90/0x274 [ 69.057589][ T4555] do_new_mount+0x228/0x810 [ 69.058231][ T4555] path_mount+0x5b4/0xe78 [ 69.058848][ T4555] __arm64_sys_mount+0x49c/0x584 [ 69.059627][ T4555] invoke_syscall+0x98/0x2bc [ 69.060294][ T4555] el0_svc_common+0x138/0x258 [ 69.061036][ T4555] do_el0_svc+0x58/0x13c [ 69.061678][ T4555] el0_svc+0x58/0x138 [ 69.062313][ T4555] el0t_64_sync_handler+0x84/0xf0 [ 69.063065][ T4555] el0t_64_sync+0x18c/0x190 [ 69.064600][ T4555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.066699][ T4555] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.143270][ T47] Bluetooth: hci1: command 0x040f tx timeout [ 69.190196][ T4557] loop1: detected capacity change from 0 to 32768 [ 69.195144][ T4557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.197214][ T4557] CPU: 1 PID: 4557 Comm: syz.1.55 Not tainted syzkaller #0 [ 69.198310][ T4557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 69.199940][ T4557] Call trace: [ 69.200436][ T4557] dump_backtrace+0x1c8/0x1f4 [ 69.201200][ T4557] show_stack+0x2c/0x3c [ 69.201849][ T4557] __dump_stack+0x30/0x40 [ 69.202598][ T4557] dump_stack_lvl+0xf8/0x160 [ 69.203382][ T4557] dump_stack+0x1c/0x5c [ 69.204036][ T4557] sysfs_create_dir_ns+0x22c/0x24c [ 69.204825][ T4557] kobject_add_internal+0x5a8/0xb30 [ 69.205628][ T4557] kobject_init_and_add+0x118/0x17c [ 69.206413][ T4557] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.207125][ T4557] gfs2_fill_super+0xdec/0x19ec [ 69.207912][ T4557] get_tree_bdev+0x358/0x544 [ 69.208627][ T4557] gfs2_get_tree+0x54/0x1b4 [ 69.209328][ T4557] vfs_get_tree+0x90/0x274 [ 69.210028][ T4557] do_new_mount+0x228/0x810 [ 69.210776][ T4557] path_mount+0x5b4/0xe78 [ 69.211500][ T4557] __arm64_sys_mount+0x49c/0x584 [ 69.212244][ T4557] invoke_syscall+0x98/0x2bc [ 69.212915][ T4557] el0_svc_common+0x138/0x258 [ 69.213716][ T4557] do_el0_svc+0x58/0x13c [ 69.214363][ T4557] el0_svc+0x58/0x138 [ 69.214993][ T4557] el0t_64_sync_handler+0x84/0xf0 [ 69.215720][ T4557] el0t_64_sync+0x18c/0x190 [ 69.216879][ T4557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.218909][ T4557] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.337478][ T4560] loop1: detected capacity change from 0 to 32768 [ 69.344354][ T4560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.345550][ T4560] CPU: 0 PID: 4560 Comm: syz.1.56 Not tainted syzkaller #0 [ 69.346749][ T4560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 69.348370][ T4560] Call trace: [ 69.348893][ T4560] dump_backtrace+0x1c8/0x1f4 [ 69.349619][ T4560] show_stack+0x2c/0x3c [ 69.350281][ T4560] __dump_stack+0x30/0x40 [ 69.350958][ T4560] dump_stack_lvl+0xf8/0x160 [ 69.351613][ T4560] dump_stack+0x1c/0x5c [ 69.352283][ T4560] sysfs_create_dir_ns+0x22c/0x24c [ 69.353051][ T4560] kobject_add_internal+0x5a8/0xb30 [ 69.353859][ T4560] kobject_init_and_add+0x118/0x17c [ 69.354676][ T4560] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.355459][ T4560] gfs2_fill_super+0xdec/0x19ec [ 69.356203][ T4560] get_tree_bdev+0x358/0x544 [ 69.356853][ T4560] gfs2_get_tree+0x54/0x1b4 [ 69.357622][ T4560] vfs_get_tree+0x90/0x274 [ 69.358286][ T4560] do_new_mount+0x228/0x810 [ 69.359004][ T4560] path_mount+0x5b4/0xe78 [ 69.359653][ T4560] __arm64_sys_mount+0x49c/0x584 [ 69.360388][ T4560] invoke_syscall+0x98/0x2bc [ 69.361099][ T4560] el0_svc_common+0x138/0x258 [ 69.361757][ T4560] do_el0_svc+0x58/0x13c [ 69.362429][ T4560] el0_svc+0x58/0x138 [ 69.363012][ T4560] el0t_64_sync_handler+0x84/0xf0 [ 69.363772][ T4560] el0t_64_sync+0x18c/0x190 [ 69.364545][ T4560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.366442][ T4560] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.485549][ T4562] loop1: detected capacity change from 0 to 32768 [ 69.503101][ T4562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.504393][ T4562] CPU: 0 PID: 4562 Comm: syz.1.57 Not tainted syzkaller #0 [ 69.505554][ T4562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 69.507053][ T4562] Call trace: [ 69.507574][ T4562] dump_backtrace+0x1c8/0x1f4 [ 69.508286][ T4562] show_stack+0x2c/0x3c [ 69.508945][ T4562] __dump_stack+0x30/0x40 [ 69.509540][ T4562] dump_stack_lvl+0xf8/0x160 [ 69.510290][ T4562] dump_stack+0x1c/0x5c [ 69.510859][ T4562] sysfs_create_dir_ns+0x22c/0x24c [ 69.511575][ T4562] kobject_add_internal+0x5a8/0xb30 [ 69.512325][ T4562] kobject_init_and_add+0x118/0x17c [ 69.513113][ T4562] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.513883][ T4562] gfs2_fill_super+0xdec/0x19ec [ 69.514562][ T4562] get_tree_bdev+0x358/0x544 [ 69.515237][ T4562] gfs2_get_tree+0x54/0x1b4 [ 69.515971][ T4562] vfs_get_tree+0x90/0x274 [ 69.516657][ T4562] do_new_mount+0x228/0x810 [ 69.517365][ T4562] path_mount+0x5b4/0xe78 [ 69.517969][ T4562] __arm64_sys_mount+0x49c/0x584 [ 69.518754][ T4562] invoke_syscall+0x98/0x2bc [ 69.519417][ T4562] el0_svc_common+0x138/0x258 [ 69.520166][ T4562] do_el0_svc+0x58/0x13c [ 69.520759][ T4562] el0_svc+0x58/0x138 [ 69.521377][ T4562] el0t_64_sync_handler+0x84/0xf0 [ 69.522120][ T4562] el0t_64_sync+0x18c/0x190 [ 69.524180][ T4562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.526263][ T4562] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.613925][ T14] cfg80211: failed to load regulatory.db [ 69.646625][ T4564] loop1: detected capacity change from 0 to 32768 [ 69.660355][ T4564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.661598][ T4564] CPU: 1 PID: 4564 Comm: syz.1.58 Not tainted syzkaller #0 [ 69.662757][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 69.664404][ T4564] Call trace: [ 69.664919][ T4564] dump_backtrace+0x1c8/0x1f4 [ 69.665671][ T4564] show_stack+0x2c/0x3c [ 69.666376][ T4564] __dump_stack+0x30/0x40 [ 69.667106][ T4564] dump_stack_lvl+0xf8/0x160 [ 69.667805][ T4564] dump_stack+0x1c/0x5c [ 69.668448][ T4564] sysfs_create_dir_ns+0x22c/0x24c [ 69.669258][ T4564] kobject_add_internal+0x5a8/0xb30 [ 69.670114][ T4564] kobject_init_and_add+0x118/0x17c [ 69.670929][ T4564] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.671682][ T4564] gfs2_fill_super+0xdec/0x19ec [ 69.672428][ T4564] get_tree_bdev+0x358/0x544 [ 69.673166][ T4564] gfs2_get_tree+0x54/0x1b4 [ 69.673905][ T4564] vfs_get_tree+0x90/0x274 [ 69.674584][ T4564] do_new_mount+0x228/0x810 [ 69.675232][ T4564] path_mount+0x5b4/0xe78 [ 69.675948][ T4564] __arm64_sys_mount+0x49c/0x584 [ 69.676699][ T4564] invoke_syscall+0x98/0x2bc [ 69.677354][ T4564] el0_svc_common+0x138/0x258 [ 69.678085][ T4564] do_el0_svc+0x58/0x13c [ 69.678770][ T4564] el0_svc+0x58/0x138 [ 69.679388][ T4564] el0t_64_sync_handler+0x84/0xf0 [ 69.680168][ T4564] el0t_64_sync+0x18c/0x190 [ 69.701795][ T4564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.704036][ T4564] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.743229][ T4467] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 69.909118][ T4566] loop1: detected capacity change from 0 to 32768 [ 69.910849][ T4566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.912015][ T4566] CPU: 0 PID: 4566 Comm: syz.1.59 Not tainted syzkaller #0 [ 69.913065][ T4566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 69.914710][ T4566] Call trace: [ 69.915223][ T4566] dump_backtrace+0x1c8/0x1f4 [ 69.916002][ T4566] show_stack+0x2c/0x3c [ 69.916658][ T4566] __dump_stack+0x30/0x40 [ 69.917328][ T4566] dump_stack_lvl+0xf8/0x160 [ 69.918042][ T4566] dump_stack+0x1c/0x5c [ 69.918687][ T4566] sysfs_create_dir_ns+0x22c/0x24c [ 69.919475][ T4566] kobject_add_internal+0x5a8/0xb30 [ 69.920284][ T4566] kobject_init_and_add+0x118/0x17c [ 69.921114][ T4566] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.921813][ T4566] gfs2_fill_super+0xdec/0x19ec [ 69.922566][ T4566] get_tree_bdev+0x358/0x544 [ 69.923240][ T4566] gfs2_get_tree+0x54/0x1b4 [ 69.923931][ T4566] vfs_get_tree+0x90/0x274 [ 69.924629][ T4566] do_new_mount+0x228/0x810 [ 69.925292][ T4566] path_mount+0x5b4/0xe78 [ 69.925956][ T4566] __arm64_sys_mount+0x49c/0x584 [ 69.926670][ T4566] invoke_syscall+0x98/0x2bc [ 69.927378][ T4566] el0_svc_common+0x138/0x258 [ 69.928092][ T4566] do_el0_svc+0x58/0x13c [ 69.928781][ T4566] el0_svc+0x58/0x138 [ 69.929386][ T4566] el0t_64_sync_handler+0x84/0xf0 [ 69.930124][ T4566] el0t_64_sync+0x18c/0x190 [ 69.942393][ T4566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.944659][ T4566] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.073059][ T4568] loop1: detected capacity change from 0 to 32768 [ 70.081223][ T4568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.082491][ T4568] CPU: 1 PID: 4568 Comm: syz.1.60 Not tainted syzkaller #0 [ 70.083625][ T4568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.085323][ T4568] Call trace: [ 70.085848][ T4568] dump_backtrace+0x1c8/0x1f4 [ 70.086622][ T4568] show_stack+0x2c/0x3c [ 70.087254][ T4568] __dump_stack+0x30/0x40 [ 70.087993][ T4568] dump_stack_lvl+0xf8/0x160 [ 70.088784][ T4568] dump_stack+0x1c/0x5c [ 70.089502][ T4568] sysfs_create_dir_ns+0x22c/0x24c [ 70.090296][ T4568] kobject_add_internal+0x5a8/0xb30 [ 70.091166][ T4568] kobject_init_and_add+0x118/0x17c [ 70.091997][ T4568] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.092758][ T4568] gfs2_fill_super+0xdec/0x19ec [ 70.093543][ T4568] get_tree_bdev+0x358/0x544 [ 70.094230][ T4568] gfs2_get_tree+0x54/0x1b4 [ 70.094925][ T4568] vfs_get_tree+0x90/0x274 [ 70.095583][ T4568] do_new_mount+0x228/0x810 [ 70.096272][ T4568] path_mount+0x5b4/0xe78 [ 70.096989][ T4568] __arm64_sys_mount+0x49c/0x584 [ 70.097796][ T4568] invoke_syscall+0x98/0x2bc [ 70.098540][ T4568] el0_svc_common+0x138/0x258 [ 70.099263][ T4568] do_el0_svc+0x58/0x13c [ 70.099944][ T4568] el0_svc+0x58/0x138 [ 70.100527][ T4568] el0t_64_sync_handler+0x84/0xf0 [ 70.101305][ T4568] el0t_64_sync+0x18c/0x190 [ 70.103454][ T4568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.105483][ T4568] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.226683][ T4570] loop1: detected capacity change from 0 to 32768 [ 70.228484][ T4570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.229700][ T4570] CPU: 0 PID: 4570 Comm: syz.1.61 Not tainted syzkaller #0 [ 70.230780][ T4570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.232416][ T4570] Call trace: [ 70.232932][ T4570] dump_backtrace+0x1c8/0x1f4 [ 70.233716][ T4570] show_stack+0x2c/0x3c [ 70.234359][ T4570] __dump_stack+0x30/0x40 [ 70.235017][ T4570] dump_stack_lvl+0xf8/0x160 [ 70.235755][ T4570] dump_stack+0x1c/0x5c [ 70.236413][ T4570] sysfs_create_dir_ns+0x22c/0x24c [ 70.237239][ T4570] kobject_add_internal+0x5a8/0xb30 [ 70.238003][ T4570] kobject_init_and_add+0x118/0x17c [ 70.238826][ T4570] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.239545][ T4570] gfs2_fill_super+0xdec/0x19ec [ 70.240276][ T4570] get_tree_bdev+0x358/0x544 [ 70.240965][ T4570] gfs2_get_tree+0x54/0x1b4 [ 70.241630][ T4570] vfs_get_tree+0x90/0x274 [ 70.242317][ T4570] do_new_mount+0x228/0x810 [ 70.242973][ T4570] path_mount+0x5b4/0xe78 [ 70.243651][ T4570] __arm64_sys_mount+0x49c/0x584 [ 70.244408][ T4570] invoke_syscall+0x98/0x2bc [ 70.245108][ T4570] el0_svc_common+0x138/0x258 [ 70.245840][ T4570] do_el0_svc+0x58/0x13c [ 70.246490][ T4570] el0_svc+0x58/0x138 [ 70.247138][ T4570] el0t_64_sync_handler+0x84/0xf0 [ 70.247926][ T4570] el0t_64_sync+0x18c/0x190 [ 70.248743][ T4570] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.250792][ T4570] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.369969][ T4572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.371163][ T4572] CPU: 0 PID: 4572 Comm: syz.1.62 Not tainted syzkaller #0 [ 70.372265][ T4572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.373877][ T4572] Call trace: [ 70.374375][ T4572] dump_backtrace+0x1c8/0x1f4 [ 70.375113][ T4572] show_stack+0x2c/0x3c [ 70.375790][ T4572] __dump_stack+0x30/0x40 [ 70.376451][ T4572] dump_stack_lvl+0xf8/0x160 [ 70.377179][ T4572] dump_stack+0x1c/0x5c [ 70.377878][ T4572] sysfs_create_dir_ns+0x22c/0x24c [ 70.378717][ T4572] kobject_add_internal+0x5a8/0xb30 [ 70.379495][ T4572] kobject_init_and_add+0x118/0x17c [ 70.380335][ T4572] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.381058][ T4572] gfs2_fill_super+0xdec/0x19ec [ 70.381827][ T4572] get_tree_bdev+0x358/0x544 [ 70.382597][ T4572] gfs2_get_tree+0x54/0x1b4 [ 70.383292][ T4572] vfs_get_tree+0x90/0x274 [ 70.383963][ T4572] do_new_mount+0x228/0x810 [ 70.384637][ T4572] path_mount+0x5b4/0xe78 [ 70.385288][ T4572] __arm64_sys_mount+0x49c/0x584 [ 70.386061][ T4572] invoke_syscall+0x98/0x2bc [ 70.386710][ T4572] el0_svc_common+0x138/0x258 [ 70.387447][ T4572] do_el0_svc+0x58/0x13c [ 70.388081][ T4572] el0_svc+0x58/0x138 [ 70.388712][ T4572] el0t_64_sync_handler+0x84/0xf0 [ 70.389439][ T4572] el0t_64_sync+0x18c/0x190 [ 70.391384][ T4572] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.393716][ T4572] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.528888][ T4574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.530075][ T4574] CPU: 1 PID: 4574 Comm: syz.1.63 Not tainted syzkaller #0 [ 70.531303][ T4574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.532838][ T4574] Call trace: [ 70.533404][ T4574] dump_backtrace+0x1c8/0x1f4 [ 70.534121][ T4574] show_stack+0x2c/0x3c [ 70.534898][ T4574] __dump_stack+0x30/0x40 [ 70.535605][ T4574] dump_stack_lvl+0xf8/0x160 [ 70.536326][ T4574] dump_stack+0x1c/0x5c [ 70.536998][ T4574] sysfs_create_dir_ns+0x22c/0x24c [ 70.537860][ T4574] kobject_add_internal+0x5a8/0xb30 [ 70.538701][ T4574] kobject_init_and_add+0x118/0x17c [ 70.539535][ T4574] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.540309][ T4574] gfs2_fill_super+0xdec/0x19ec [ 70.541119][ T4574] get_tree_bdev+0x358/0x544 [ 70.541924][ T4574] gfs2_get_tree+0x54/0x1b4 [ 70.542674][ T4574] vfs_get_tree+0x90/0x274 [ 70.543461][ T4574] do_new_mount+0x228/0x810 [ 70.544177][ T4574] path_mount+0x5b4/0xe78 [ 70.544917][ T4574] __arm64_sys_mount+0x49c/0x584 [ 70.545750][ T4574] invoke_syscall+0x98/0x2bc [ 70.546442][ T4574] el0_svc_common+0x138/0x258 [ 70.547155][ T4574] do_el0_svc+0x58/0x13c [ 70.547837][ T4574] el0_svc+0x58/0x138 [ 70.548482][ T4574] el0t_64_sync_handler+0x84/0xf0 [ 70.549346][ T4574] el0t_64_sync+0x18c/0x190 [ 70.552253][ T4574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.554599][ T4574] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.681827][ T4576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.682982][ T4576] CPU: 1 PID: 4576 Comm: syz.1.64 Not tainted syzkaller #0 [ 70.684150][ T4576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.685769][ T4576] Call trace: [ 70.686272][ T4576] dump_backtrace+0x1c8/0x1f4 [ 70.687038][ T4576] show_stack+0x2c/0x3c [ 70.687691][ T4576] __dump_stack+0x30/0x40 [ 70.688422][ T4576] dump_stack_lvl+0xf8/0x160 [ 70.689152][ T4576] dump_stack+0x1c/0x5c [ 70.689804][ T4576] sysfs_create_dir_ns+0x22c/0x24c [ 70.690553][ T4576] kobject_add_internal+0x5a8/0xb30 [ 70.691416][ T4576] kobject_init_and_add+0x118/0x17c [ 70.692225][ T4576] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.692956][ T4576] gfs2_fill_super+0xdec/0x19ec [ 70.693720][ T4576] get_tree_bdev+0x358/0x544 [ 70.694446][ T4576] gfs2_get_tree+0x54/0x1b4 [ 70.695083][ T4576] vfs_get_tree+0x90/0x274 [ 70.695751][ T4576] do_new_mount+0x228/0x810 [ 70.696444][ T4576] path_mount+0x5b4/0xe78 [ 70.697123][ T4576] __arm64_sys_mount+0x49c/0x584 [ 70.697914][ T4576] invoke_syscall+0x98/0x2bc [ 70.698656][ T4576] el0_svc_common+0x138/0x258 [ 70.699423][ T4576] do_el0_svc+0x58/0x13c [ 70.700096][ T4576] el0_svc+0x58/0x138 [ 70.700701][ T4576] el0t_64_sync_handler+0x84/0xf0 [ 70.701478][ T4576] el0t_64_sync+0x18c/0x190 [ 70.702308][ T4576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.704334][ T4576] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.833809][ T4578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.834982][ T4578] CPU: 1 PID: 4578 Comm: syz.1.65 Not tainted syzkaller #0 [ 70.836059][ T4578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.837657][ T4578] Call trace: [ 70.838198][ T4578] dump_backtrace+0x1c8/0x1f4 [ 70.838900][ T4578] show_stack+0x2c/0x3c [ 70.839527][ T4578] __dump_stack+0x30/0x40 [ 70.840210][ T4578] dump_stack_lvl+0xf8/0x160 [ 70.840888][ T4578] dump_stack+0x1c/0x5c [ 70.841525][ T4578] sysfs_create_dir_ns+0x22c/0x24c [ 70.842301][ T4578] kobject_add_internal+0x5a8/0xb30 [ 70.843096][ T4578] kobject_init_and_add+0x118/0x17c [ 70.843875][ T4578] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.844673][ T4578] gfs2_fill_super+0xdec/0x19ec [ 70.845368][ T4578] get_tree_bdev+0x358/0x544 [ 70.846124][ T4578] gfs2_get_tree+0x54/0x1b4 [ 70.846810][ T4578] vfs_get_tree+0x90/0x274 [ 70.847468][ T4578] do_new_mount+0x228/0x810 [ 70.848169][ T4578] path_mount+0x5b4/0xe78 [ 70.848805][ T4578] __arm64_sys_mount+0x49c/0x584 [ 70.849525][ T4578] invoke_syscall+0x98/0x2bc [ 70.850236][ T4578] el0_svc_common+0x138/0x258 [ 70.850969][ T4578] do_el0_svc+0x58/0x13c [ 70.851575][ T4578] el0_svc+0x58/0x138 [ 70.852225][ T4578] el0t_64_sync_handler+0x84/0xf0 [ 70.853014][ T4578] el0t_64_sync+0x18c/0x190 [ 70.855520][ T4578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.857532][ T4578] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.986533][ T4580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.987781][ T4580] CPU: 0 PID: 4580 Comm: syz.1.66 Not tainted syzkaller #0 [ 70.988928][ T4580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.990499][ T4580] Call trace: [ 70.990996][ T4580] dump_backtrace+0x1c8/0x1f4 [ 70.991713][ T4580] show_stack+0x2c/0x3c [ 70.992366][ T4580] __dump_stack+0x30/0x40 [ 70.993064][ T4580] dump_stack_lvl+0xf8/0x160 [ 70.993775][ T4580] dump_stack+0x1c/0x5c [ 70.994420][ T4580] sysfs_create_dir_ns+0x22c/0x24c [ 70.995196][ T4580] kobject_add_internal+0x5a8/0xb30 [ 70.995987][ T4580] kobject_init_and_add+0x118/0x17c [ 70.996733][ T4580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.997440][ T4580] gfs2_fill_super+0xdec/0x19ec [ 70.998137][ T4580] get_tree_bdev+0x358/0x544 [ 70.998841][ T4580] gfs2_get_tree+0x54/0x1b4 [ 70.999550][ T4580] vfs_get_tree+0x90/0x274 [ 71.000230][ T4580] do_new_mount+0x228/0x810 [ 71.000933][ T4580] path_mount+0x5b4/0xe78 [ 71.001620][ T4580] __arm64_sys_mount+0x49c/0x584 [ 71.002351][ T4580] invoke_syscall+0x98/0x2bc [ 71.003043][ T4580] el0_svc_common+0x138/0x258 [ 71.003794][ T4580] do_el0_svc+0x58/0x13c [ 71.004486][ T4580] el0_svc+0x58/0x138 [ 71.005129][ T4580] el0t_64_sync_handler+0x84/0xf0 [ 71.005910][ T4580] el0t_64_sync+0x18c/0x190 [ 71.007905][ T4580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.009852][ T4580] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.146942][ T4583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.148167][ T4583] CPU: 0 PID: 4583 Comm: syz.1.67 Not tainted syzkaller #0 [ 71.149261][ T4583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.150819][ T4583] Call trace: [ 71.151308][ T4583] dump_backtrace+0x1c8/0x1f4 [ 71.151981][ T4583] show_stack+0x2c/0x3c [ 71.152560][ T4583] __dump_stack+0x30/0x40 [ 71.153228][ T4583] dump_stack_lvl+0xf8/0x160 [ 71.153975][ T4583] dump_stack+0x1c/0x5c [ 71.154588][ T4583] sysfs_create_dir_ns+0x22c/0x24c [ 71.155461][ T4583] kobject_add_internal+0x5a8/0xb30 [ 71.156258][ T4583] kobject_init_and_add+0x118/0x17c [ 71.156990][ T4583] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.157688][ T4583] gfs2_fill_super+0xdec/0x19ec [ 71.158358][ T4583] get_tree_bdev+0x358/0x544 [ 71.159039][ T4583] gfs2_get_tree+0x54/0x1b4 [ 71.159710][ T4583] vfs_get_tree+0x90/0x274 [ 71.160441][ T4583] do_new_mount+0x228/0x810 [ 71.161126][ T4583] path_mount+0x5b4/0xe78 [ 71.161741][ T4583] __arm64_sys_mount+0x49c/0x584 [ 71.162448][ T4583] invoke_syscall+0x98/0x2bc [ 71.163132][ T4583] el0_svc_common+0x138/0x258 [ 71.163831][ T4583] do_el0_svc+0x58/0x13c [ 71.164437][ T4583] el0_svc+0x58/0x138 [ 71.165079][ T4583] el0t_64_sync_handler+0x84/0xf0 [ 71.165846][ T4583] el0t_64_sync+0x18c/0x190 [ 71.169509][ T4583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.171661][ T4583] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.213974][ T47] Bluetooth: hci1: command 0x0419 tx timeout [ 71.291799][ T4586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.293108][ T4586] CPU: 1 PID: 4586 Comm: syz.1.68 Not tainted syzkaller #0 [ 71.294256][ T4586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.295829][ T4586] Call trace: [ 71.296392][ T4586] dump_backtrace+0x1c8/0x1f4 [ 71.297110][ T4586] show_stack+0x2c/0x3c [ 71.297734][ T4586] __dump_stack+0x30/0x40 [ 71.298455][ T4586] dump_stack_lvl+0xf8/0x160 [ 71.299243][ T4586] dump_stack+0x1c/0x5c [ 71.299901][ T4586] sysfs_create_dir_ns+0x22c/0x24c [ 71.300654][ T4586] kobject_add_internal+0x5a8/0xb30 [ 71.301416][ T4586] kobject_init_and_add+0x118/0x17c [ 71.302218][ T4586] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.302925][ T4586] gfs2_fill_super+0xdec/0x19ec [ 71.303651][ T4586] get_tree_bdev+0x358/0x544 [ 71.304368][ T4586] gfs2_get_tree+0x54/0x1b4 [ 71.305113][ T4586] vfs_get_tree+0x90/0x274 [ 71.305770][ T4586] do_new_mount+0x228/0x810 [ 71.306466][ T4586] path_mount+0x5b4/0xe78 [ 71.307208][ T4586] __arm64_sys_mount+0x49c/0x584 [ 71.307973][ T4586] invoke_syscall+0x98/0x2bc [ 71.308702][ T4586] el0_svc_common+0x138/0x258 [ 71.309417][ T4586] do_el0_svc+0x58/0x13c [ 71.310052][ T4586] el0_svc+0x58/0x138 [ 71.310625][ T4586] el0t_64_sync_handler+0x84/0xf0 [ 71.311420][ T4586] el0t_64_sync+0x18c/0x190 [ 71.312220][ T4586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.314276][ T4586] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.436189][ T4588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.437600][ T4588] CPU: 1 PID: 4588 Comm: syz.1.69 Not tainted syzkaller #0 [ 71.438782][ T4588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.440331][ T4588] Call trace: [ 71.440803][ T4588] dump_backtrace+0x1c8/0x1f4 [ 71.441553][ T4588] show_stack+0x2c/0x3c [ 71.442219][ T4588] __dump_stack+0x30/0x40 [ 71.442879][ T4588] dump_stack_lvl+0xf8/0x160 [ 71.443570][ T4588] dump_stack+0x1c/0x5c [ 71.444191][ T4588] sysfs_create_dir_ns+0x22c/0x24c [ 71.444986][ T4588] kobject_add_internal+0x5a8/0xb30 [ 71.445798][ T4588] kobject_init_and_add+0x118/0x17c [ 71.446561][ T4588] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.447302][ T4588] gfs2_fill_super+0xdec/0x19ec [ 71.448072][ T4588] get_tree_bdev+0x358/0x544 [ 71.448773][ T4588] gfs2_get_tree+0x54/0x1b4 [ 71.449451][ T4588] vfs_get_tree+0x90/0x274 [ 71.450067][ T4588] do_new_mount+0x228/0x810 [ 71.450790][ T4588] path_mount+0x5b4/0xe78 [ 71.451374][ T4588] __arm64_sys_mount+0x49c/0x584 [ 71.452122][ T4588] invoke_syscall+0x98/0x2bc [ 71.452829][ T4588] el0_svc_common+0x138/0x258 [ 71.453501][ T4588] do_el0_svc+0x58/0x13c [ 71.454184][ T4588] el0_svc+0x58/0x138 [ 71.454797][ T4588] el0t_64_sync_handler+0x84/0xf0 [ 71.455584][ T4588] el0t_64_sync+0x18c/0x190 [ 71.456512][ T4588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.458604][ T4588] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.579523][ T4590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.580871][ T4590] CPU: 1 PID: 4590 Comm: syz.1.70 Not tainted syzkaller #0 [ 71.582007][ T4590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.583533][ T4590] Call trace: [ 71.584063][ T4590] dump_backtrace+0x1c8/0x1f4 [ 71.584762][ T4590] show_stack+0x2c/0x3c [ 71.585377][ T4590] __dump_stack+0x30/0x40 [ 71.586077][ T4590] dump_stack_lvl+0xf8/0x160 [ 71.586738][ T4590] dump_stack+0x1c/0x5c [ 71.587377][ T4590] sysfs_create_dir_ns+0x22c/0x24c [ 71.588162][ T4590] kobject_add_internal+0x5a8/0xb30 [ 71.589021][ T4590] kobject_init_and_add+0x118/0x17c [ 71.589816][ T4590] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.590534][ T4590] gfs2_fill_super+0xdec/0x19ec [ 71.591307][ T4590] get_tree_bdev+0x358/0x544 [ 71.592036][ T4590] gfs2_get_tree+0x54/0x1b4 [ 71.592749][ T4590] vfs_get_tree+0x90/0x274 [ 71.593415][ T4590] do_new_mount+0x228/0x810 [ 71.594077][ T4590] path_mount+0x5b4/0xe78 [ 71.594731][ T4590] __arm64_sys_mount+0x49c/0x584 [ 71.595516][ T4590] invoke_syscall+0x98/0x2bc [ 71.596236][ T4590] el0_svc_common+0x138/0x258 [ 71.596971][ T4590] do_el0_svc+0x58/0x13c [ 71.597659][ T4590] el0_svc+0x58/0x138 [ 71.598226][ T4590] el0t_64_sync_handler+0x84/0xf0 [ 71.598924][ T4590] el0t_64_sync+0x18c/0x190 [ 71.601205][ T4590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.603351][ T4590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.729966][ T4592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.731119][ T4592] CPU: 0 PID: 4592 Comm: syz.1.71 Not tainted syzkaller #0 [ 71.732312][ T4592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.733885][ T4592] Call trace: [ 71.734423][ T4592] dump_backtrace+0x1c8/0x1f4 [ 71.735208][ T4592] show_stack+0x2c/0x3c [ 71.735840][ T4592] __dump_stack+0x30/0x40 [ 71.736516][ T4592] dump_stack_lvl+0xf8/0x160 [ 71.737230][ T4592] dump_stack+0x1c/0x5c [ 71.737886][ T4592] sysfs_create_dir_ns+0x22c/0x24c [ 71.738694][ T4592] kobject_add_internal+0x5a8/0xb30 [ 71.739483][ T4592] kobject_init_and_add+0x118/0x17c [ 71.740289][ T4592] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.741007][ T4592] gfs2_fill_super+0xdec/0x19ec [ 71.741823][ T4592] get_tree_bdev+0x358/0x544 [ 71.742527][ T4592] gfs2_get_tree+0x54/0x1b4 [ 71.743229][ T4592] vfs_get_tree+0x90/0x274 [ 71.743856][ T4592] do_new_mount+0x228/0x810 [ 71.744584][ T4592] path_mount+0x5b4/0xe78 [ 71.745312][ T4592] __arm64_sys_mount+0x49c/0x584 [ 71.746121][ T4592] invoke_syscall+0x98/0x2bc [ 71.746799][ T4592] el0_svc_common+0x138/0x258 [ 71.747578][ T4592] do_el0_svc+0x58/0x13c [ 71.748320][ T4592] el0_svc+0x58/0x138 [ 71.748976][ T4592] el0t_64_sync_handler+0x84/0xf0 [ 71.749836][ T4592] el0t_64_sync+0x18c/0x190 [ 71.750732][ T4592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.752734][ T4592] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.873679][ T4594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.874891][ T4594] CPU: 1 PID: 4594 Comm: syz.1.72 Not tainted syzkaller #0 [ 71.875984][ T4594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.877460][ T4594] Call trace: [ 71.877985][ T4594] dump_backtrace+0x1c8/0x1f4 [ 71.878716][ T4594] show_stack+0x2c/0x3c [ 71.879338][ T4594] __dump_stack+0x30/0x40 [ 71.880028][ T4594] dump_stack_lvl+0xf8/0x160 [ 71.880760][ T4594] dump_stack+0x1c/0x5c [ 71.881471][ T4594] sysfs_create_dir_ns+0x22c/0x24c [ 71.882268][ T4594] kobject_add_internal+0x5a8/0xb30 [ 71.883034][ T4594] kobject_init_and_add+0x118/0x17c [ 71.883874][ T4594] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.884605][ T4594] gfs2_fill_super+0xdec/0x19ec [ 71.885374][ T4594] get_tree_bdev+0x358/0x544 [ 71.886050][ T4594] gfs2_get_tree+0x54/0x1b4 [ 71.886732][ T4594] vfs_get_tree+0x90/0x274 [ 71.887422][ T4594] do_new_mount+0x228/0x810 [ 71.888089][ T4594] path_mount+0x5b4/0xe78 [ 71.888774][ T4594] __arm64_sys_mount+0x49c/0x584 [ 71.889491][ T4594] invoke_syscall+0x98/0x2bc [ 71.890193][ T4594] el0_svc_common+0x138/0x258 [ 71.890850][ T4594] do_el0_svc+0x58/0x13c [ 71.891513][ T4594] el0_svc+0x58/0x138 [ 71.892093][ T4594] el0t_64_sync_handler+0x84/0xf0 [ 71.892866][ T4594] el0t_64_sync+0x18c/0x190 [ 71.895202][ T4594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.897164][ T4594] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.015175][ T4596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.016426][ T4596] CPU: 1 PID: 4596 Comm: syz.1.73 Not tainted syzkaller #0 [ 72.017600][ T4596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.019161][ T4596] Call trace: [ 72.019657][ T4596] dump_backtrace+0x1c8/0x1f4 [ 72.020389][ T4596] show_stack+0x2c/0x3c [ 72.021057][ T4596] __dump_stack+0x30/0x40 [ 72.021715][ T4596] dump_stack_lvl+0xf8/0x160 [ 72.022352][ T4596] dump_stack+0x1c/0x5c [ 72.022978][ T4596] sysfs_create_dir_ns+0x22c/0x24c [ 72.023759][ T4596] kobject_add_internal+0x5a8/0xb30 [ 72.024536][ T4596] kobject_init_and_add+0x118/0x17c [ 72.025367][ T4596] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.026118][ T4596] gfs2_fill_super+0xdec/0x19ec [ 72.026836][ T4596] get_tree_bdev+0x358/0x544 [ 72.027559][ T4596] gfs2_get_tree+0x54/0x1b4 [ 72.028297][ T4596] vfs_get_tree+0x90/0x274 [ 72.029053][ T4596] do_new_mount+0x228/0x810 [ 72.029781][ T4596] path_mount+0x5b4/0xe78 [ 72.030498][ T4596] __arm64_sys_mount+0x49c/0x584 [ 72.031316][ T4596] invoke_syscall+0x98/0x2bc [ 72.032000][ T4596] el0_svc_common+0x138/0x258 [ 72.032733][ T4596] do_el0_svc+0x58/0x13c [ 72.033356][ T4596] el0_svc+0x58/0x138 [ 72.033938][ T4596] el0t_64_sync_handler+0x84/0xf0 [ 72.034734][ T4596] el0t_64_sync+0x18c/0x190 [ 72.036579][ T4596] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.038655][ T4596] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.164709][ T4598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.166001][ T4598] CPU: 0 PID: 4598 Comm: syz.1.74 Not tainted syzkaller #0 [ 72.167238][ T4598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.168891][ T4598] Call trace: [ 72.169428][ T4598] dump_backtrace+0x1c8/0x1f4 [ 72.170150][ T4598] show_stack+0x2c/0x3c [ 72.170873][ T4598] __dump_stack+0x30/0x40 [ 72.171570][ T4598] dump_stack_lvl+0xf8/0x160 [ 72.172306][ T4598] dump_stack+0x1c/0x5c [ 72.173005][ T4598] sysfs_create_dir_ns+0x22c/0x24c [ 72.173846][ T4598] kobject_add_internal+0x5a8/0xb30 [ 72.174703][ T4598] kobject_init_and_add+0x118/0x17c [ 72.175571][ T4598] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.176394][ T4598] gfs2_fill_super+0xdec/0x19ec [ 72.177209][ T4598] get_tree_bdev+0x358/0x544 [ 72.177963][ T4598] gfs2_get_tree+0x54/0x1b4 [ 72.178688][ T4598] vfs_get_tree+0x90/0x274 [ 72.179337][ T4598] do_new_mount+0x228/0x810 [ 72.180051][ T4598] path_mount+0x5b4/0xe78 [ 72.180759][ T4598] __arm64_sys_mount+0x49c/0x584 [ 72.181572][ T4598] invoke_syscall+0x98/0x2bc [ 72.182332][ T4598] el0_svc_common+0x138/0x258 [ 72.183132][ T4598] do_el0_svc+0x58/0x13c [ 72.183820][ T4598] el0_svc+0x58/0x138 [ 72.184410][ T4598] el0t_64_sync_handler+0x84/0xf0 [ 72.185200][ T4598] el0t_64_sync+0x18c/0x190 [ 72.186471][ T4598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.188876][ T4598] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.319327][ T4600] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.320560][ T4600] CPU: 1 PID: 4600 Comm: syz.1.75 Not tainted syzkaller #0 [ 72.321768][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.323400][ T4600] Call trace: [ 72.323943][ T4600] dump_backtrace+0x1c8/0x1f4 [ 72.324737][ T4600] show_stack+0x2c/0x3c [ 72.325440][ T4600] __dump_stack+0x30/0x40 [ 72.326131][ T4600] dump_stack_lvl+0xf8/0x160 [ 72.326867][ T4600] dump_stack+0x1c/0x5c [ 72.327542][ T4600] sysfs_create_dir_ns+0x22c/0x24c [ 72.328362][ T4600] kobject_add_internal+0x5a8/0xb30 [ 72.329191][ T4600] kobject_init_and_add+0x118/0x17c [ 72.329985][ T4600] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.330751][ T4600] gfs2_fill_super+0xdec/0x19ec [ 72.331532][ T4600] get_tree_bdev+0x358/0x544 [ 72.332283][ T4600] gfs2_get_tree+0x54/0x1b4 [ 72.332981][ T4600] vfs_get_tree+0x90/0x274 [ 72.333704][ T4600] do_new_mount+0x228/0x810 [ 72.334389][ T4600] path_mount+0x5b4/0xe78 [ 72.335091][ T4600] __arm64_sys_mount+0x49c/0x584 [ 72.335854][ T4600] invoke_syscall+0x98/0x2bc [ 72.336592][ T4600] el0_svc_common+0x138/0x258 [ 72.337311][ T4600] do_el0_svc+0x58/0x13c [ 72.338024][ T4600] el0_svc+0x58/0x138 [ 72.338642][ T4600] el0t_64_sync_handler+0x84/0xf0 [ 72.339429][ T4600] el0t_64_sync+0x18c/0x190 [ 72.353263][ T4600] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.355306][ T4600] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.481346][ T4603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.482557][ T4603] CPU: 1 PID: 4603 Comm: syz.1.76 Not tainted syzkaller #0 [ 72.483683][ T4603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.485266][ T4603] Call trace: [ 72.485743][ T4603] dump_backtrace+0x1c8/0x1f4 [ 72.486470][ T4603] show_stack+0x2c/0x3c [ 72.487112][ T4603] __dump_stack+0x30/0x40 [ 72.487914][ T4603] dump_stack_lvl+0xf8/0x160 [ 72.488696][ T4603] dump_stack+0x1c/0x5c [ 72.489399][ T4603] sysfs_create_dir_ns+0x22c/0x24c [ 72.490202][ T4603] kobject_add_internal+0x5a8/0xb30 [ 72.491084][ T4603] kobject_init_and_add+0x118/0x17c [ 72.491952][ T4603] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.492736][ T4603] gfs2_fill_super+0xdec/0x19ec [ 72.493553][ T4603] get_tree_bdev+0x358/0x544 [ 72.494320][ T4603] gfs2_get_tree+0x54/0x1b4 [ 72.495022][ T4603] vfs_get_tree+0x90/0x274 [ 72.495783][ T4603] do_new_mount+0x228/0x810 [ 72.496515][ T4603] path_mount+0x5b4/0xe78 [ 72.497201][ T4603] __arm64_sys_mount+0x49c/0x584 [ 72.498001][ T4603] invoke_syscall+0x98/0x2bc [ 72.498736][ T4603] el0_svc_common+0x138/0x258 [ 72.499449][ T4603] do_el0_svc+0x58/0x13c [ 72.500150][ T4603] el0_svc+0x58/0x138 [ 72.500793][ T4603] el0t_64_sync_handler+0x84/0xf0 [ 72.501605][ T4603] el0t_64_sync+0x18c/0x190 [ 72.503083][ T4603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.505059][ T4603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.626987][ T4605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.628159][ T4605] CPU: 0 PID: 4605 Comm: syz.1.77 Not tainted syzkaller #0 [ 72.629327][ T4605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.630827][ T4605] Call trace: [ 72.631320][ T4605] dump_backtrace+0x1c8/0x1f4 [ 72.632056][ T4605] show_stack+0x2c/0x3c [ 72.632695][ T4605] __dump_stack+0x30/0x40 [ 72.633397][ T4605] dump_stack_lvl+0xf8/0x160 [ 72.634127][ T4605] dump_stack+0x1c/0x5c [ 72.634805][ T4605] sysfs_create_dir_ns+0x22c/0x24c [ 72.635586][ T4605] kobject_add_internal+0x5a8/0xb30 [ 72.636384][ T4605] kobject_init_and_add+0x118/0x17c [ 72.637234][ T4605] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.638006][ T4605] gfs2_fill_super+0xdec/0x19ec [ 72.638722][ T4605] get_tree_bdev+0x358/0x544 [ 72.639437][ T4605] gfs2_get_tree+0x54/0x1b4 [ 72.640162][ T4605] vfs_get_tree+0x90/0x274 [ 72.640883][ T4605] do_new_mount+0x228/0x810 [ 72.641588][ T4605] path_mount+0x5b4/0xe78 [ 72.642273][ T4605] __arm64_sys_mount+0x49c/0x584 [ 72.643038][ T4605] invoke_syscall+0x98/0x2bc [ 72.643787][ T4605] el0_svc_common+0x138/0x258 [ 72.644467][ T4605] do_el0_svc+0x58/0x13c [ 72.645125][ T4605] el0_svc+0x58/0x138 [ 72.645740][ T4605] el0t_64_sync_handler+0x84/0xf0 [ 72.646500][ T4605] el0t_64_sync+0x18c/0x190 [ 72.647420][ T4605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.649428][ T4605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.772261][ T4607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.773544][ T4607] CPU: 1 PID: 4607 Comm: syz.1.78 Not tainted syzkaller #0 [ 72.774615][ T4607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.776196][ T4607] Call trace: [ 72.776732][ T4607] dump_backtrace+0x1c8/0x1f4 [ 72.777448][ T4607] show_stack+0x2c/0x3c [ 72.778143][ T4607] __dump_stack+0x30/0x40 [ 72.778830][ T4607] dump_stack_lvl+0xf8/0x160 [ 72.779578][ T4607] dump_stack+0x1c/0x5c [ 72.780203][ T4607] sysfs_create_dir_ns+0x22c/0x24c [ 72.780929][ T4607] kobject_add_internal+0x5a8/0xb30 [ 72.781735][ T4607] kobject_init_and_add+0x118/0x17c [ 72.782542][ T4607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.783347][ T4607] gfs2_fill_super+0xdec/0x19ec [ 72.784122][ T4607] get_tree_bdev+0x358/0x544 [ 72.784835][ T4607] gfs2_get_tree+0x54/0x1b4 [ 72.785518][ T4607] vfs_get_tree+0x90/0x274 [ 72.786205][ T4607] do_new_mount+0x228/0x810 [ 72.786875][ T4607] path_mount+0x5b4/0xe78 [ 72.787561][ T4607] __arm64_sys_mount+0x49c/0x584 [ 72.788278][ T4607] invoke_syscall+0x98/0x2bc [ 72.788980][ T4607] el0_svc_common+0x138/0x258 [ 72.789714][ T4607] do_el0_svc+0x58/0x13c [ 72.790400][ T4607] el0_svc+0x58/0x138 [ 72.791032][ T4607] el0t_64_sync_handler+0x84/0xf0 [ 72.791837][ T4607] el0t_64_sync+0x18c/0x190 [ 72.793886][ T4607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.795922][ T4607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.929100][ T4609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.930323][ T4609] CPU: 1 PID: 4609 Comm: syz.1.79 Not tainted syzkaller #0 [ 72.931496][ T4609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.933099][ T4609] Call trace: [ 72.933604][ T4609] dump_backtrace+0x1c8/0x1f4 [ 72.934329][ T4609] show_stack+0x2c/0x3c [ 72.935009][ T4609] __dump_stack+0x30/0x40 [ 72.935764][ T4609] dump_stack_lvl+0xf8/0x160 [ 72.937184][ T4609] dump_stack+0x1c/0x5c [ 72.937832][ T4609] sysfs_create_dir_ns+0x22c/0x24c [ 72.938656][ T4609] kobject_add_internal+0x5a8/0xb30 [ 72.939554][ T4609] kobject_init_and_add+0x118/0x17c [ 72.940453][ T4609] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.941259][ T4609] gfs2_fill_super+0xdec/0x19ec [ 72.941977][ T4609] get_tree_bdev+0x358/0x544 [ 72.942682][ T4609] gfs2_get_tree+0x54/0x1b4 [ 72.943389][ T4609] vfs_get_tree+0x90/0x274 [ 72.944092][ T4609] do_new_mount+0x228/0x810 [ 72.944840][ T4609] path_mount+0x5b4/0xe78 [ 72.945501][ T4609] __arm64_sys_mount+0x49c/0x584 [ 72.946314][ T4609] invoke_syscall+0x98/0x2bc [ 72.947033][ T4609] el0_svc_common+0x138/0x258 [ 72.947796][ T4609] do_el0_svc+0x58/0x13c [ 72.948486][ T4609] el0_svc+0x58/0x138 [ 72.949142][ T4609] el0t_64_sync_handler+0x84/0xf0 [ 72.949928][ T4609] el0t_64_sync+0x18c/0x190 [ 72.951938][ T4609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.953923][ T4609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.090773][ T4611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.091973][ T4611] CPU: 0 PID: 4611 Comm: syz.1.80 Not tainted syzkaller #0 [ 73.093124][ T4611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.094780][ T4611] Call trace: [ 73.095289][ T4611] dump_backtrace+0x1c8/0x1f4 [ 73.095946][ T4611] show_stack+0x2c/0x3c [ 73.096566][ T4611] __dump_stack+0x30/0x40 [ 73.097234][ T4611] dump_stack_lvl+0xf8/0x160 [ 73.097981][ T4611] dump_stack+0x1c/0x5c [ 73.098630][ T4611] sysfs_create_dir_ns+0x22c/0x24c [ 73.099418][ T4611] kobject_add_internal+0x5a8/0xb30 [ 73.100215][ T4611] kobject_init_and_add+0x118/0x17c [ 73.100985][ T4611] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.101681][ T4611] gfs2_fill_super+0xdec/0x19ec [ 73.102383][ T4611] get_tree_bdev+0x358/0x544 [ 73.103057][ T4611] gfs2_get_tree+0x54/0x1b4 [ 73.103773][ T4611] vfs_get_tree+0x90/0x274 [ 73.104499][ T4611] do_new_mount+0x228/0x810 [ 73.105173][ T4611] path_mount+0x5b4/0xe78 [ 73.105802][ T4611] __arm64_sys_mount+0x49c/0x584 [ 73.106542][ T4611] invoke_syscall+0x98/0x2bc [ 73.107247][ T4611] el0_svc_common+0x138/0x258 [ 73.107961][ T4611] do_el0_svc+0x58/0x13c [ 73.108621][ T4611] el0_svc+0x58/0x138 [ 73.109297][ T4611] el0t_64_sync_handler+0x84/0xf0 [ 73.110119][ T4611] el0t_64_sync+0x18c/0x190 [ 73.112446][ T4611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.116396][ T4611] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.236803][ T4614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.238016][ T4614] CPU: 0 PID: 4614 Comm: syz.1.81 Not tainted syzkaller #0 [ 73.239185][ T4614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.240769][ T4614] Call trace: [ 73.241246][ T4614] dump_backtrace+0x1c8/0x1f4 [ 73.241968][ T4614] show_stack+0x2c/0x3c [ 73.242640][ T4614] __dump_stack+0x30/0x40 [ 73.243292][ T4614] dump_stack_lvl+0xf8/0x160 [ 73.244055][ T4614] dump_stack+0x1c/0x5c [ 73.244766][ T4614] sysfs_create_dir_ns+0x22c/0x24c [ 73.245453][ T4614] kobject_add_internal+0x5a8/0xb30 [ 73.246238][ T4614] kobject_init_and_add+0x118/0x17c [ 73.247516][ T4614] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.248252][ T4614] gfs2_fill_super+0xdec/0x19ec [ 73.249578][ T4614] get_tree_bdev+0x358/0x544 [ 73.250337][ T4614] gfs2_get_tree+0x54/0x1b4 [ 73.251109][ T4614] vfs_get_tree+0x90/0x274 [ 73.251855][ T4614] do_new_mount+0x228/0x810 [ 73.252607][ T4614] path_mount+0x5b4/0xe78 [ 73.253298][ T4614] __arm64_sys_mount+0x49c/0x584 [ 73.254051][ T4614] invoke_syscall+0x98/0x2bc [ 73.254820][ T4614] el0_svc_common+0x138/0x258 [ 73.255615][ T4614] do_el0_svc+0x58/0x13c [ 73.256303][ T4614] el0_svc+0x58/0x138 [ 73.256977][ T4614] el0t_64_sync_handler+0x84/0xf0 [ 73.257711][ T4614] el0t_64_sync+0x18c/0x190 [ 73.258701][ T4614] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.260754][ T4614] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.384277][ T4616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.385488][ T4616] CPU: 1 PID: 4616 Comm: syz.1.82 Not tainted syzkaller #0 [ 73.386697][ T4616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.388184][ T4616] Call trace: [ 73.388674][ T4616] dump_backtrace+0x1c8/0x1f4 [ 73.389420][ T4616] show_stack+0x2c/0x3c [ 73.390047][ T4616] __dump_stack+0x30/0x40 [ 73.390752][ T4616] dump_stack_lvl+0xf8/0x160 [ 73.391426][ T4616] dump_stack+0x1c/0x5c [ 73.392059][ T4616] sysfs_create_dir_ns+0x22c/0x24c [ 73.392931][ T4616] kobject_add_internal+0x5a8/0xb30 [ 73.393771][ T4616] kobject_init_and_add+0x118/0x17c [ 73.394661][ T4616] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.395424][ T4616] gfs2_fill_super+0xdec/0x19ec [ 73.396237][ T4616] get_tree_bdev+0x358/0x544 [ 73.396959][ T4616] gfs2_get_tree+0x54/0x1b4 [ 73.397733][ T4616] vfs_get_tree+0x90/0x274 [ 73.398487][ T4616] do_new_mount+0x228/0x810 [ 73.399174][ T4616] path_mount+0x5b4/0xe78 [ 73.399859][ T4616] __arm64_sys_mount+0x49c/0x584 [ 73.400594][ T4616] invoke_syscall+0x98/0x2bc [ 73.401255][ T4616] el0_svc_common+0x138/0x258 [ 73.402088][ T4616] do_el0_svc+0x58/0x13c [ 73.402779][ T4616] el0_svc+0x58/0x138 [ 73.403376][ T4616] el0t_64_sync_handler+0x84/0xf0 [ 73.404118][ T4616] el0t_64_sync+0x18c/0x190 [ 73.406026][ T4616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.408184][ T4616] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.534717][ T4618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.535961][ T4618] CPU: 0 PID: 4618 Comm: syz.1.83 Not tainted syzkaller #0 [ 73.537157][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.538862][ T4618] Call trace: [ 73.539407][ T4618] dump_backtrace+0x1c8/0x1f4 [ 73.540111][ T4618] show_stack+0x2c/0x3c [ 73.540828][ T4618] __dump_stack+0x30/0x40 [ 73.541578][ T4618] dump_stack_lvl+0xf8/0x160 [ 73.542385][ T4618] dump_stack+0x1c/0x5c [ 73.543078][ T4618] sysfs_create_dir_ns+0x22c/0x24c [ 73.543977][ T4618] kobject_add_internal+0x5a8/0xb30 [ 73.544872][ T4618] kobject_init_and_add+0x118/0x17c [ 73.545738][ T4618] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.546570][ T4618] gfs2_fill_super+0xdec/0x19ec [ 73.547369][ T4618] get_tree_bdev+0x358/0x544 [ 73.548101][ T4618] gfs2_get_tree+0x54/0x1b4 [ 73.548832][ T4618] vfs_get_tree+0x90/0x274 [ 73.549520][ T4618] do_new_mount+0x228/0x810 [ 73.550202][ T4618] path_mount+0x5b4/0xe78 [ 73.550919][ T4618] __arm64_sys_mount+0x49c/0x584 [ 73.551833][ T4618] invoke_syscall+0x98/0x2bc [ 73.552641][ T4618] el0_svc_common+0x138/0x258 [ 73.553416][ T4618] do_el0_svc+0x58/0x13c [ 73.554089][ T4618] el0_svc+0x58/0x138 [ 73.554733][ T4618] el0t_64_sync_handler+0x84/0xf0 [ 73.555522][ T4618] el0t_64_sync+0x18c/0x190 [ 73.556545][ T4618] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.558639][ T4618] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.691607][ T4620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.692916][ T4620] CPU: 1 PID: 4620 Comm: syz.1.84 Not tainted syzkaller #0 [ 73.694024][ T4620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.695641][ T4620] Call trace: [ 73.696188][ T4620] dump_backtrace+0x1c8/0x1f4 [ 73.696861][ T4620] show_stack+0x2c/0x3c [ 73.697486][ T4620] __dump_stack+0x30/0x40 [ 73.698164][ T4620] dump_stack_lvl+0xf8/0x160 [ 73.698870][ T4620] dump_stack+0x1c/0x5c [ 73.699494][ T4620] sysfs_create_dir_ns+0x22c/0x24c [ 73.700343][ T4620] kobject_add_internal+0x5a8/0xb30 [ 73.701206][ T4620] kobject_init_and_add+0x118/0x17c [ 73.701997][ T4620] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.702689][ T4620] gfs2_fill_super+0xdec/0x19ec [ 73.703453][ T4620] get_tree_bdev+0x358/0x544 [ 73.704131][ T4620] gfs2_get_tree+0x54/0x1b4 [ 73.704790][ T4620] vfs_get_tree+0x90/0x274 [ 73.705503][ T4620] do_new_mount+0x228/0x810 [ 73.706145][ T4620] path_mount+0x5b4/0xe78 [ 73.706802][ T4620] __arm64_sys_mount+0x49c/0x584 [ 73.707559][ T4620] invoke_syscall+0x98/0x2bc [ 73.708183][ T4620] el0_svc_common+0x138/0x258 [ 73.708872][ T4620] do_el0_svc+0x58/0x13c [ 73.709524][ T4620] el0_svc+0x58/0x138 [ 73.710134][ T4620] el0t_64_sync_handler+0x84/0xf0 [ 73.710903][ T4620] el0t_64_sync+0x18c/0x190 [ 73.713059][ T4620] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.715082][ T4620] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:13 executed programs: 70 [ 73.836705][ T4622] set_capacity_and_notify: 23 callbacks suppressed [ 73.836715][ T4622] loop1: detected capacity change from 0 to 32768 [ 73.851652][ T4622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.852839][ T4622] CPU: 0 PID: 4622 Comm: syz.1.85 Not tainted syzkaller #0 [ 73.853914][ T4622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.855509][ T4622] Call trace: [ 73.856011][ T4622] dump_backtrace+0x1c8/0x1f4 [ 73.856734][ T4622] show_stack+0x2c/0x3c [ 73.857420][ T4622] __dump_stack+0x30/0x40 [ 73.858118][ T4622] dump_stack_lvl+0xf8/0x160 [ 73.858834][ T4622] dump_stack+0x1c/0x5c [ 73.859561][ T4622] sysfs_create_dir_ns+0x22c/0x24c [ 73.860303][ T4622] kobject_add_internal+0x5a8/0xb30 [ 73.861121][ T4622] kobject_init_and_add+0x118/0x17c [ 73.861916][ T4622] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.862643][ T4622] gfs2_fill_super+0xdec/0x19ec [ 73.863404][ T4622] get_tree_bdev+0x358/0x544 [ 73.864070][ T4622] gfs2_get_tree+0x54/0x1b4 [ 73.864777][ T4622] vfs_get_tree+0x90/0x274 [ 73.865421][ T4622] do_new_mount+0x228/0x810 [ 73.866078][ T4622] path_mount+0x5b4/0xe78 [ 73.866742][ T4622] __arm64_sys_mount+0x49c/0x584 [ 73.867470][ T4622] invoke_syscall+0x98/0x2bc [ 73.868169][ T4622] el0_svc_common+0x138/0x258 [ 73.868854][ T4622] do_el0_svc+0x58/0x13c [ 73.869464][ T4622] el0_svc+0x58/0x138 [ 73.870156][ T4622] el0t_64_sync_handler+0x84/0xf0 [ 73.870935][ T4622] el0t_64_sync+0x18c/0x190 [ 73.872725][ T4622] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.875077][ T4622] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.001184][ T4624] loop1: detected capacity change from 0 to 32768 [ 74.013871][ T4624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.015187][ T4624] CPU: 0 PID: 4624 Comm: syz.1.86 Not tainted syzkaller #0 [ 74.016376][ T4624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.018030][ T4624] Call trace: [ 74.018543][ T4624] dump_backtrace+0x1c8/0x1f4 [ 74.019323][ T4624] show_stack+0x2c/0x3c [ 74.019968][ T4624] __dump_stack+0x30/0x40 [ 74.020650][ T4624] dump_stack_lvl+0xf8/0x160 [ 74.021377][ T4624] dump_stack+0x1c/0x5c [ 74.022085][ T4624] sysfs_create_dir_ns+0x22c/0x24c [ 74.022830][ T4624] kobject_add_internal+0x5a8/0xb30 [ 74.023653][ T4624] kobject_init_and_add+0x118/0x17c [ 74.024476][ T4624] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.025245][ T4624] gfs2_fill_super+0xdec/0x19ec [ 74.025968][ T4624] get_tree_bdev+0x358/0x544 [ 74.026684][ T4624] gfs2_get_tree+0x54/0x1b4 [ 74.027396][ T4624] vfs_get_tree+0x90/0x274 [ 74.028052][ T4624] do_new_mount+0x228/0x810 [ 74.028733][ T4624] path_mount+0x5b4/0xe78 [ 74.029377][ T4624] __arm64_sys_mount+0x49c/0x584 [ 74.030089][ T4624] invoke_syscall+0x98/0x2bc [ 74.030771][ T4624] el0_svc_common+0x138/0x258 [ 74.031419][ T4624] do_el0_svc+0x58/0x13c [ 74.032083][ T4624] el0_svc+0x58/0x138 [ 74.032684][ T4624] el0t_64_sync_handler+0x84/0xf0 [ 74.033468][ T4624] el0t_64_sync+0x18c/0x190 [ 74.036974][ T4624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.039005][ T4624] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.164479][ T4626] loop1: detected capacity change from 0 to 32768 [ 74.170641][ T4626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.171834][ T4626] CPU: 0 PID: 4626 Comm: syz.1.87 Not tainted syzkaller #0 [ 74.172940][ T4626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.174464][ T4626] Call trace: [ 74.174955][ T4626] dump_backtrace+0x1c8/0x1f4 [ 74.175733][ T4626] show_stack+0x2c/0x3c [ 74.176396][ T4626] __dump_stack+0x30/0x40 [ 74.177054][ T4626] dump_stack_lvl+0xf8/0x160 [ 74.177755][ T4626] dump_stack+0x1c/0x5c [ 74.178381][ T4626] sysfs_create_dir_ns+0x22c/0x24c [ 74.179296][ T4626] kobject_add_internal+0x5a8/0xb30 [ 74.180197][ T4626] kobject_init_and_add+0x118/0x17c [ 74.181051][ T4626] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.181922][ T4626] gfs2_fill_super+0xdec/0x19ec [ 74.182675][ T4626] get_tree_bdev+0x358/0x544 [ 74.183368][ T4626] gfs2_get_tree+0x54/0x1b4 [ 74.184104][ T4626] vfs_get_tree+0x90/0x274 [ 74.184752][ T4626] do_new_mount+0x228/0x810 [ 74.185416][ T4626] path_mount+0x5b4/0xe78 [ 74.186105][ T4626] __arm64_sys_mount+0x49c/0x584 [ 74.186850][ T4626] invoke_syscall+0x98/0x2bc [ 74.187540][ T4626] el0_svc_common+0x138/0x258 [ 74.188187][ T4626] do_el0_svc+0x58/0x13c [ 74.188838][ T4626] el0_svc+0x58/0x138 [ 74.189433][ T4626] el0t_64_sync_handler+0x84/0xf0 [ 74.190232][ T4626] el0t_64_sync+0x18c/0x190 [ 74.191029][ T4626] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.192821][ T4626] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.322696][ T4628] loop1: detected capacity change from 0 to 32768 [ 74.334848][ T4628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.336125][ T4628] CPU: 0 PID: 4628 Comm: syz.1.88 Not tainted syzkaller #0 [ 74.337195][ T4628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.338641][ T4628] Call trace: [ 74.339143][ T4628] dump_backtrace+0x1c8/0x1f4 [ 74.339843][ T4628] show_stack+0x2c/0x3c [ 74.340482][ T4628] __dump_stack+0x30/0x40 [ 74.341067][ T4628] dump_stack_lvl+0xf8/0x160 [ 74.341717][ T4628] dump_stack+0x1c/0x5c [ 74.342312][ T4628] sysfs_create_dir_ns+0x22c/0x24c [ 74.343077][ T4628] kobject_add_internal+0x5a8/0xb30 [ 74.343942][ T4628] kobject_init_and_add+0x118/0x17c [ 74.344768][ T4628] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.345429][ T4628] gfs2_fill_super+0xdec/0x19ec [ 74.346152][ T4628] get_tree_bdev+0x358/0x544 [ 74.346853][ T4628] gfs2_get_tree+0x54/0x1b4 [ 74.347519][ T4628] vfs_get_tree+0x90/0x274 [ 74.348165][ T4628] do_new_mount+0x228/0x810 [ 74.348886][ T4628] path_mount+0x5b4/0xe78 [ 74.349561][ T4628] __arm64_sys_mount+0x49c/0x584 [ 74.350318][ T4628] invoke_syscall+0x98/0x2bc [ 74.351015][ T4628] el0_svc_common+0x138/0x258 [ 74.351800][ T4628] do_el0_svc+0x58/0x13c [ 74.352434][ T4628] el0_svc+0x58/0x138 [ 74.353090][ T4628] el0t_64_sync_handler+0x84/0xf0 [ 74.353890][ T4628] el0t_64_sync+0x18c/0x190 [ 74.356562][ T4628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.358659][ T4628] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.493613][ T4630] loop1: detected capacity change from 0 to 32768 [ 74.495370][ T4630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.496649][ T4630] CPU: 0 PID: 4630 Comm: syz.1.89 Not tainted syzkaller #0 [ 74.497738][ T4630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.499378][ T4630] Call trace: [ 74.499928][ T4630] dump_backtrace+0x1c8/0x1f4 [ 74.500684][ T4630] show_stack+0x2c/0x3c [ 74.501338][ T4630] __dump_stack+0x30/0x40 [ 74.502066][ T4630] dump_stack_lvl+0xf8/0x160 [ 74.502781][ T4630] dump_stack+0x1c/0x5c [ 74.503480][ T4630] sysfs_create_dir_ns+0x22c/0x24c [ 74.504282][ T4630] kobject_add_internal+0x5a8/0xb30 [ 74.505075][ T4630] kobject_init_and_add+0x118/0x17c [ 74.505894][ T4630] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.506627][ T4630] gfs2_fill_super+0xdec/0x19ec [ 74.507371][ T4630] get_tree_bdev+0x358/0x544 [ 74.508059][ T4630] gfs2_get_tree+0x54/0x1b4 [ 74.508724][ T4630] vfs_get_tree+0x90/0x274 [ 74.509411][ T4630] do_new_mount+0x228/0x810 [ 74.510002][ T4630] path_mount+0x5b4/0xe78 [ 74.510607][ T4630] __arm64_sys_mount+0x49c/0x584 [ 74.511285][ T4630] invoke_syscall+0x98/0x2bc [ 74.511942][ T4630] el0_svc_common+0x138/0x258 [ 74.512606][ T4630] do_el0_svc+0x58/0x13c [ 74.513242][ T4630] el0_svc+0x58/0x138 [ 74.513811][ T4630] el0t_64_sync_handler+0x84/0xf0 [ 74.514560][ T4630] el0t_64_sync+0x18c/0x190 [ 74.515445][ T4630] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.517434][ T4630] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.636722][ T4632] loop1: detected capacity change from 0 to 32768 [ 74.638538][ T4632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.639665][ T4632] CPU: 0 PID: 4632 Comm: syz.1.90 Not tainted syzkaller #0 [ 74.640788][ T4632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.642385][ T4632] Call trace: [ 74.642897][ T4632] dump_backtrace+0x1c8/0x1f4 [ 74.643679][ T4632] show_stack+0x2c/0x3c [ 74.644370][ T4632] __dump_stack+0x30/0x40 [ 74.645079][ T4632] dump_stack_lvl+0xf8/0x160 [ 74.645863][ T4632] dump_stack+0x1c/0x5c [ 74.646509][ T4632] sysfs_create_dir_ns+0x22c/0x24c [ 74.647331][ T4632] kobject_add_internal+0x5a8/0xb30 [ 74.648167][ T4632] kobject_init_and_add+0x118/0x17c [ 74.648963][ T4632] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.649712][ T4632] gfs2_fill_super+0xdec/0x19ec [ 74.650423][ T4632] get_tree_bdev+0x358/0x544 [ 74.651140][ T4632] gfs2_get_tree+0x54/0x1b4 [ 74.651848][ T4632] vfs_get_tree+0x90/0x274 [ 74.652489][ T4632] do_new_mount+0x228/0x810 [ 74.653149][ T4632] path_mount+0x5b4/0xe78 [ 74.653818][ T4632] __arm64_sys_mount+0x49c/0x584 [ 74.654586][ T4632] invoke_syscall+0x98/0x2bc [ 74.655336][ T4632] el0_svc_common+0x138/0x258 [ 74.656085][ T4632] do_el0_svc+0x58/0x13c [ 74.656754][ T4632] el0_svc+0x58/0x138 [ 74.657323][ T4632] el0t_64_sync_handler+0x84/0xf0 [ 74.658081][ T4632] el0t_64_sync+0x18c/0x190 [ 74.658875][ T4632] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.660804][ T4632] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.788018][ T4634] loop1: detected capacity change from 0 to 32768 [ 74.792666][ T4634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.795237][ T4634] CPU: 1 PID: 4634 Comm: syz.1.91 Not tainted syzkaller #0 [ 74.796392][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.798071][ T4634] Call trace: [ 74.798564][ T4634] dump_backtrace+0x1c8/0x1f4 [ 74.799255][ T4634] show_stack+0x2c/0x3c [ 74.799850][ T4634] __dump_stack+0x30/0x40 [ 74.800511][ T4634] dump_stack_lvl+0xf8/0x160 [ 74.801205][ T4634] dump_stack+0x1c/0x5c [ 74.801835][ T4634] sysfs_create_dir_ns+0x22c/0x24c [ 74.802568][ T4634] kobject_add_internal+0x5a8/0xb30 [ 74.803357][ T4634] kobject_init_and_add+0x118/0x17c [ 74.804198][ T4634] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.804904][ T4634] gfs2_fill_super+0xdec/0x19ec [ 74.805652][ T4634] get_tree_bdev+0x358/0x544 [ 74.806367][ T4634] gfs2_get_tree+0x54/0x1b4 [ 74.807038][ T4634] vfs_get_tree+0x90/0x274 [ 74.807810][ T4634] do_new_mount+0x228/0x810 [ 74.808486][ T4634] path_mount+0x5b4/0xe78 [ 74.809124][ T4634] __arm64_sys_mount+0x49c/0x584 [ 74.809896][ T4634] invoke_syscall+0x98/0x2bc [ 74.810582][ T4634] el0_svc_common+0x138/0x258 [ 74.811263][ T4634] do_el0_svc+0x58/0x13c [ 74.811917][ T4634] el0_svc+0x58/0x138 [ 74.812512][ T4634] el0t_64_sync_handler+0x84/0xf0 [ 74.813247][ T4634] el0t_64_sync+0x18c/0x190 [ 74.815163][ T4634] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.817150][ T4634] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.937421][ T4636] loop1: detected capacity change from 0 to 32768 [ 74.943440][ T4636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.944590][ T4636] CPU: 0 PID: 4636 Comm: syz.1.92 Not tainted syzkaller #0 [ 74.945685][ T4636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.947242][ T4636] Call trace: [ 74.947759][ T4636] dump_backtrace+0x1c8/0x1f4 [ 74.948518][ T4636] show_stack+0x2c/0x3c [ 74.949177][ T4636] __dump_stack+0x30/0x40 [ 74.949797][ T4636] dump_stack_lvl+0xf8/0x160 [ 74.950514][ T4636] dump_stack+0x1c/0x5c [ 74.951178][ T4636] sysfs_create_dir_ns+0x22c/0x24c [ 74.951948][ T4636] kobject_add_internal+0x5a8/0xb30 [ 74.952738][ T4636] kobject_init_and_add+0x118/0x17c [ 74.953554][ T4636] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.954277][ T4636] gfs2_fill_super+0xdec/0x19ec [ 74.955081][ T4636] get_tree_bdev+0x358/0x544 [ 74.955752][ T4636] gfs2_get_tree+0x54/0x1b4 [ 74.956420][ T4636] vfs_get_tree+0x90/0x274 [ 74.957084][ T4636] do_new_mount+0x228/0x810 [ 74.957840][ T4636] path_mount+0x5b4/0xe78 [ 74.958533][ T4636] __arm64_sys_mount+0x49c/0x584 [ 74.959357][ T4636] invoke_syscall+0x98/0x2bc [ 74.960046][ T4636] el0_svc_common+0x138/0x258 [ 74.960771][ T4636] do_el0_svc+0x58/0x13c [ 74.961465][ T4636] el0_svc+0x58/0x138 [ 74.962126][ T4636] el0t_64_sync_handler+0x84/0xf0 [ 74.962946][ T4636] el0t_64_sync+0x18c/0x190 [ 74.963743][ T4636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.965856][ T4636] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.087695][ T4638] loop1: detected capacity change from 0 to 32768 [ 75.092748][ T4638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.094000][ T4638] CPU: 1 PID: 4638 Comm: syz.1.93 Not tainted syzkaller #0 [ 75.095030][ T4638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.096573][ T4638] Call trace: [ 75.097102][ T4638] dump_backtrace+0x1c8/0x1f4 [ 75.097851][ T4638] show_stack+0x2c/0x3c [ 75.098523][ T4638] __dump_stack+0x30/0x40 [ 75.099183][ T4638] dump_stack_lvl+0xf8/0x160 [ 75.099895][ T4638] dump_stack+0x1c/0x5c [ 75.100529][ T4638] sysfs_create_dir_ns+0x22c/0x24c [ 75.101328][ T4638] kobject_add_internal+0x5a8/0xb30 [ 75.102089][ T4638] kobject_init_and_add+0x118/0x17c [ 75.102842][ T4638] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.103568][ T4638] gfs2_fill_super+0xdec/0x19ec [ 75.104302][ T4638] get_tree_bdev+0x358/0x544 [ 75.104949][ T4638] gfs2_get_tree+0x54/0x1b4 [ 75.105605][ T4638] vfs_get_tree+0x90/0x274 [ 75.106290][ T4638] do_new_mount+0x228/0x810 [ 75.106982][ T4638] path_mount+0x5b4/0xe78 [ 75.107677][ T4638] __arm64_sys_mount+0x49c/0x584 [ 75.108427][ T4638] invoke_syscall+0x98/0x2bc [ 75.109128][ T4638] el0_svc_common+0x138/0x258 [ 75.109831][ T4638] do_el0_svc+0x58/0x13c [ 75.110491][ T4638] el0_svc+0x58/0x138 [ 75.111115][ T4638] el0t_64_sync_handler+0x84/0xf0 [ 75.111989][ T4638] el0t_64_sync+0x18c/0x190 [ 75.113053][ T4638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.115216][ T4638] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.235282][ T4640] loop1: detected capacity change from 0 to 32768 [ 75.237078][ T4640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.238256][ T4640] CPU: 0 PID: 4640 Comm: syz.1.94 Not tainted syzkaller #0 [ 75.239353][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.240842][ T4640] Call trace: [ 75.241314][ T4640] dump_backtrace+0x1c8/0x1f4 [ 75.242090][ T4640] show_stack+0x2c/0x3c [ 75.242760][ T4640] __dump_stack+0x30/0x40 [ 75.243470][ T4640] dump_stack_lvl+0xf8/0x160 [ 75.244192][ T4640] dump_stack+0x1c/0x5c [ 75.244810][ T4640] sysfs_create_dir_ns+0x22c/0x24c [ 75.245571][ T4640] kobject_add_internal+0x5a8/0xb30 [ 75.246373][ T4640] kobject_init_and_add+0x118/0x17c [ 75.247150][ T4640] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.247915][ T4640] gfs2_fill_super+0xdec/0x19ec [ 75.248640][ T4640] get_tree_bdev+0x358/0x544 [ 75.249327][ T4640] gfs2_get_tree+0x54/0x1b4 [ 75.250034][ T4640] vfs_get_tree+0x90/0x274 [ 75.250698][ T4640] do_new_mount+0x228/0x810 [ 75.251434][ T4640] path_mount+0x5b4/0xe78 [ 75.252084][ T4640] __arm64_sys_mount+0x49c/0x584 [ 75.252820][ T4640] invoke_syscall+0x98/0x2bc [ 75.253457][ T4640] el0_svc_common+0x138/0x258 [ 75.254085][ T4640] do_el0_svc+0x58/0x13c [ 75.254755][ T4640] el0_svc+0x58/0x138 [ 75.255322][ T4640] el0t_64_sync_handler+0x84/0xf0 [ 75.256093][ T4640] el0t_64_sync+0x18c/0x190 [ 75.258601][ T4640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.260590][ T4640] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.386489][ T4642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.387741][ T4642] CPU: 1 PID: 4642 Comm: syz.1.95 Not tainted syzkaller #0 [ 75.388759][ T4642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.390245][ T4642] Call trace: [ 75.390733][ T4642] dump_backtrace+0x1c8/0x1f4 [ 75.391476][ T4642] show_stack+0x2c/0x3c [ 75.392046][ T4642] __dump_stack+0x30/0x40 [ 75.392728][ T4642] dump_stack_lvl+0xf8/0x160 [ 75.393465][ T4642] dump_stack+0x1c/0x5c [ 75.394073][ T4642] sysfs_create_dir_ns+0x22c/0x24c [ 75.394930][ T4642] kobject_add_internal+0x5a8/0xb30 [ 75.395740][ T4642] kobject_init_and_add+0x118/0x17c [ 75.396576][ T4642] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.397289][ T4642] gfs2_fill_super+0xdec/0x19ec [ 75.398021][ T4642] get_tree_bdev+0x358/0x544 [ 75.398745][ T4642] gfs2_get_tree+0x54/0x1b4 [ 75.399377][ T4642] vfs_get_tree+0x90/0x274 [ 75.400115][ T4642] do_new_mount+0x228/0x810 [ 75.400856][ T4642] path_mount+0x5b4/0xe78 [ 75.401523][ T4642] __arm64_sys_mount+0x49c/0x584 [ 75.402288][ T4642] invoke_syscall+0x98/0x2bc [ 75.403001][ T4642] el0_svc_common+0x138/0x258 [ 75.403694][ T4642] do_el0_svc+0x58/0x13c [ 75.404365][ T4642] el0_svc+0x58/0x138 [ 75.404965][ T4642] el0t_64_sync_handler+0x84/0xf0 [ 75.405729][ T4642] el0t_64_sync+0x18c/0x190 [ 75.406573][ T4642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.408624][ T4642] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.532355][ T4644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.533759][ T4644] CPU: 0 PID: 4644 Comm: syz.1.96 Not tainted syzkaller #0 [ 75.534882][ T4644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.536390][ T4644] Call trace: [ 75.536893][ T4644] dump_backtrace+0x1c8/0x1f4 [ 75.537603][ T4644] show_stack+0x2c/0x3c [ 75.538262][ T4644] __dump_stack+0x30/0x40 [ 75.538917][ T4644] dump_stack_lvl+0xf8/0x160 [ 75.539589][ T4644] dump_stack+0x1c/0x5c [ 75.540202][ T4644] sysfs_create_dir_ns+0x22c/0x24c [ 75.541012][ T4644] kobject_add_internal+0x5a8/0xb30 [ 75.541803][ T4644] kobject_init_and_add+0x118/0x17c [ 75.542675][ T4644] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.543455][ T4644] gfs2_fill_super+0xdec/0x19ec [ 75.544218][ T4644] get_tree_bdev+0x358/0x544 [ 75.544884][ T4644] gfs2_get_tree+0x54/0x1b4 [ 75.545615][ T4644] vfs_get_tree+0x90/0x274 [ 75.546278][ T4644] do_new_mount+0x228/0x810 [ 75.546965][ T4644] path_mount+0x5b4/0xe78 [ 75.547604][ T4644] __arm64_sys_mount+0x49c/0x584 [ 75.548356][ T4644] invoke_syscall+0x98/0x2bc [ 75.549058][ T4644] el0_svc_common+0x138/0x258 [ 75.549734][ T4644] do_el0_svc+0x58/0x13c [ 75.550389][ T4644] el0_svc+0x58/0x138 [ 75.550983][ T4644] el0t_64_sync_handler+0x84/0xf0 [ 75.551771][ T4644] el0t_64_sync+0x18c/0x190 [ 75.554203][ T4644] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.556203][ T4644] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.681709][ T4646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.682891][ T4646] CPU: 1 PID: 4646 Comm: syz.1.97 Not tainted syzkaller #0 [ 75.684053][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.685675][ T4646] Call trace: [ 75.686162][ T4646] dump_backtrace+0x1c8/0x1f4 [ 75.686926][ T4646] show_stack+0x2c/0x3c [ 75.687577][ T4646] __dump_stack+0x30/0x40 [ 75.688307][ T4646] dump_stack_lvl+0xf8/0x160 [ 75.689014][ T4646] dump_stack+0x1c/0x5c [ 75.689591][ T4646] sysfs_create_dir_ns+0x22c/0x24c [ 75.690328][ T4646] kobject_add_internal+0x5a8/0xb30 [ 75.691089][ T4646] kobject_init_and_add+0x118/0x17c [ 75.691943][ T4646] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.692699][ T4646] gfs2_fill_super+0xdec/0x19ec [ 75.693393][ T4646] get_tree_bdev+0x358/0x544 [ 75.694122][ T4646] gfs2_get_tree+0x54/0x1b4 [ 75.694809][ T4646] vfs_get_tree+0x90/0x274 [ 75.695515][ T4646] do_new_mount+0x228/0x810 [ 75.696192][ T4646] path_mount+0x5b4/0xe78 [ 75.696896][ T4646] __arm64_sys_mount+0x49c/0x584 [ 75.697733][ T4646] invoke_syscall+0x98/0x2bc [ 75.698429][ T4646] el0_svc_common+0x138/0x258 [ 75.699140][ T4646] do_el0_svc+0x58/0x13c [ 75.699747][ T4646] el0_svc+0x58/0x138 [ 75.700387][ T4646] el0t_64_sync_handler+0x84/0xf0 [ 75.701136][ T4646] el0t_64_sync+0x18c/0x190 [ 75.702184][ T4646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.704197][ T4646] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.828092][ T4648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.829350][ T4648] CPU: 0 PID: 4648 Comm: syz.1.98 Not tainted syzkaller #0 [ 75.830462][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.831930][ T4648] Call trace: [ 75.832458][ T4648] dump_backtrace+0x1c8/0x1f4 [ 75.833147][ T4648] show_stack+0x2c/0x3c [ 75.833770][ T4648] __dump_stack+0x30/0x40 [ 75.834461][ T4648] dump_stack_lvl+0xf8/0x160 [ 75.835161][ T4648] dump_stack+0x1c/0x5c [ 75.835801][ T4648] sysfs_create_dir_ns+0x22c/0x24c [ 75.836595][ T4648] kobject_add_internal+0x5a8/0xb30 [ 75.837418][ T4648] kobject_init_and_add+0x118/0x17c [ 75.838209][ T4648] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.838919][ T4648] gfs2_fill_super+0xdec/0x19ec [ 75.839646][ T4648] get_tree_bdev+0x358/0x544 [ 75.840385][ T4648] gfs2_get_tree+0x54/0x1b4 [ 75.841161][ T4648] vfs_get_tree+0x90/0x274 [ 75.841801][ T4648] do_new_mount+0x228/0x810 [ 75.842505][ T4648] path_mount+0x5b4/0xe78 [ 75.843132][ T4648] __arm64_sys_mount+0x49c/0x584 [ 75.843947][ T4648] invoke_syscall+0x98/0x2bc [ 75.844764][ T4648] el0_svc_common+0x138/0x258 [ 75.845538][ T4648] do_el0_svc+0x58/0x13c [ 75.846264][ T4648] el0_svc+0x58/0x138 [ 75.846939][ T4648] el0t_64_sync_handler+0x84/0xf0 [ 75.847715][ T4648] el0t_64_sync+0x18c/0x190 [ 75.849742][ T4648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.851853][ T4648] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.970882][ T4650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.972146][ T4650] CPU: 1 PID: 4650 Comm: syz.1.99 Not tainted syzkaller #0 [ 75.973331][ T4650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.974977][ T4650] Call trace: [ 75.975505][ T4650] dump_backtrace+0x1c8/0x1f4 [ 75.976265][ T4650] show_stack+0x2c/0x3c [ 75.976944][ T4650] __dump_stack+0x30/0x40 [ 75.977626][ T4650] dump_stack_lvl+0xf8/0x160 [ 75.978326][ T4650] dump_stack+0x1c/0x5c [ 75.978940][ T4650] sysfs_create_dir_ns+0x22c/0x24c [ 75.979680][ T4650] kobject_add_internal+0x5a8/0xb30 [ 75.980494][ T4650] kobject_init_and_add+0x118/0x17c [ 75.981248][ T4650] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.981968][ T4650] gfs2_fill_super+0xdec/0x19ec [ 75.982719][ T4650] get_tree_bdev+0x358/0x544 [ 75.983445][ T4650] gfs2_get_tree+0x54/0x1b4 [ 75.984134][ T4650] vfs_get_tree+0x90/0x274 [ 75.984832][ T4650] do_new_mount+0x228/0x810 [ 75.985511][ T4650] path_mount+0x5b4/0xe78 [ 75.986152][ T4650] __arm64_sys_mount+0x49c/0x584 [ 75.986864][ T4650] invoke_syscall+0x98/0x2bc [ 75.987531][ T4650] el0_svc_common+0x138/0x258 [ 75.988250][ T4650] do_el0_svc+0x58/0x13c [ 75.988859][ T4650] el0_svc+0x58/0x138 [ 75.989477][ T4650] el0t_64_sync_handler+0x84/0xf0 [ 75.990234][ T4650] el0t_64_sync+0x18c/0x190 [ 75.991032][ T4650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.993099][ T4650] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.121084][ T4652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.122302][ T4652] CPU: 0 PID: 4652 Comm: syz.1.100 Not tainted syzkaller #0 [ 76.123451][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.125041][ T4652] Call trace: [ 76.125607][ T4652] dump_backtrace+0x1c8/0x1f4 [ 76.126387][ T4652] show_stack+0x2c/0x3c [ 76.127048][ T4652] __dump_stack+0x30/0x40 [ 76.127732][ T4652] dump_stack_lvl+0xf8/0x160 [ 76.128370][ T4652] dump_stack+0x1c/0x5c [ 76.128995][ T4652] sysfs_create_dir_ns+0x22c/0x24c [ 76.129831][ T4652] kobject_add_internal+0x5a8/0xb30 [ 76.130580][ T4652] kobject_init_and_add+0x118/0x17c [ 76.131388][ T4652] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.132096][ T4652] gfs2_fill_super+0xdec/0x19ec [ 76.132853][ T4652] get_tree_bdev+0x358/0x544 [ 76.133613][ T4652] gfs2_get_tree+0x54/0x1b4 [ 76.134319][ T4652] vfs_get_tree+0x90/0x274 [ 76.135023][ T4652] do_new_mount+0x228/0x810 [ 76.135730][ T4652] path_mount+0x5b4/0xe78 [ 76.136411][ T4652] __arm64_sys_mount+0x49c/0x584 [ 76.137199][ T4652] invoke_syscall+0x98/0x2bc [ 76.137917][ T4652] el0_svc_common+0x138/0x258 [ 76.138576][ T4652] do_el0_svc+0x58/0x13c [ 76.139218][ T4652] el0_svc+0x58/0x138 [ 76.139818][ T4652] el0t_64_sync_handler+0x84/0xf0 [ 76.140523][ T4652] el0t_64_sync+0x18c/0x190 [ 76.142477][ T4652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.144722][ T4652] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.268895][ T4654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.270133][ T4654] CPU: 1 PID: 4654 Comm: syz.1.101 Not tainted syzkaller #0 [ 76.271361][ T4654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.272852][ T4654] Call trace: [ 76.273340][ T4654] dump_backtrace+0x1c8/0x1f4 [ 76.274080][ T4654] show_stack+0x2c/0x3c [ 76.274726][ T4654] __dump_stack+0x30/0x40 [ 76.275404][ T4654] dump_stack_lvl+0xf8/0x160 [ 76.276201][ T4654] dump_stack+0x1c/0x5c [ 76.276876][ T4654] sysfs_create_dir_ns+0x22c/0x24c [ 76.277620][ T4654] kobject_add_internal+0x5a8/0xb30 [ 76.278462][ T4654] kobject_init_and_add+0x118/0x17c [ 76.279267][ T4654] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.280030][ T4654] gfs2_fill_super+0xdec/0x19ec [ 76.280770][ T4654] get_tree_bdev+0x358/0x544 [ 76.281496][ T4654] gfs2_get_tree+0x54/0x1b4 [ 76.282142][ T4654] vfs_get_tree+0x90/0x274 [ 76.282844][ T4654] do_new_mount+0x228/0x810 [ 76.283557][ T4654] path_mount+0x5b4/0xe78 [ 76.284233][ T4654] __arm64_sys_mount+0x49c/0x584 [ 76.284971][ T4654] invoke_syscall+0x98/0x2bc [ 76.285617][ T4654] el0_svc_common+0x138/0x258 [ 76.286329][ T4654] do_el0_svc+0x58/0x13c [ 76.286973][ T4654] el0_svc+0x58/0x138 [ 76.287587][ T4654] el0t_64_sync_handler+0x84/0xf0 [ 76.288341][ T4654] el0t_64_sync+0x18c/0x190 [ 76.289239][ T4654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.291286][ T4654] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.410580][ T4656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.411718][ T4656] CPU: 1 PID: 4656 Comm: syz.1.102 Not tainted syzkaller #0 [ 76.412815][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.414494][ T4656] Call trace: [ 76.415029][ T4656] dump_backtrace+0x1c8/0x1f4 [ 76.415780][ T4656] show_stack+0x2c/0x3c [ 76.416470][ T4656] __dump_stack+0x30/0x40 [ 76.417124][ T4656] dump_stack_lvl+0xf8/0x160 [ 76.417892][ T4656] dump_stack+0x1c/0x5c [ 76.418546][ T4656] sysfs_create_dir_ns+0x22c/0x24c [ 76.419292][ T4656] kobject_add_internal+0x5a8/0xb30 [ 76.420116][ T4656] kobject_init_and_add+0x118/0x17c [ 76.420980][ T4656] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.421719][ T4656] gfs2_fill_super+0xdec/0x19ec [ 76.422590][ T4656] get_tree_bdev+0x358/0x544 [ 76.423390][ T4656] gfs2_get_tree+0x54/0x1b4 [ 76.424185][ T4656] vfs_get_tree+0x90/0x274 [ 76.424966][ T4656] do_new_mount+0x228/0x810 [ 76.425771][ T4656] path_mount+0x5b4/0xe78 [ 76.426526][ T4656] __arm64_sys_mount+0x49c/0x584 [ 76.427352][ T4656] invoke_syscall+0x98/0x2bc [ 76.428126][ T4656] el0_svc_common+0x138/0x258 [ 76.428933][ T4656] do_el0_svc+0x58/0x13c [ 76.429675][ T4656] el0_svc+0x58/0x138 [ 76.430360][ T4656] el0t_64_sync_handler+0x84/0xf0 [ 76.431184][ T4656] el0t_64_sync+0x18c/0x190 [ 76.432406][ T4656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.434584][ T4656] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.555370][ T4658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.556604][ T4658] CPU: 0 PID: 4658 Comm: syz.1.103 Not tainted syzkaller #0 [ 76.557848][ T4658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.559430][ T4658] Call trace: [ 76.559952][ T4658] dump_backtrace+0x1c8/0x1f4 [ 76.560708][ T4658] show_stack+0x2c/0x3c [ 76.561343][ T4658] __dump_stack+0x30/0x40 [ 76.562034][ T4658] dump_stack_lvl+0xf8/0x160 [ 76.562773][ T4658] dump_stack+0x1c/0x5c [ 76.563455][ T4658] sysfs_create_dir_ns+0x22c/0x24c [ 76.564285][ T4658] kobject_add_internal+0x5a8/0xb30 [ 76.565111][ T4658] kobject_init_and_add+0x118/0x17c [ 76.565898][ T4658] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.566621][ T4658] gfs2_fill_super+0xdec/0x19ec [ 76.567398][ T4658] get_tree_bdev+0x358/0x544 [ 76.568121][ T4658] gfs2_get_tree+0x54/0x1b4 [ 76.568796][ T4658] vfs_get_tree+0x90/0x274 [ 76.569497][ T4658] do_new_mount+0x228/0x810 [ 76.570243][ T4658] path_mount+0x5b4/0xe78 [ 76.570918][ T4658] __arm64_sys_mount+0x49c/0x584 [ 76.571671][ T4658] invoke_syscall+0x98/0x2bc [ 76.572407][ T4658] el0_svc_common+0x138/0x258 [ 76.573170][ T4658] do_el0_svc+0x58/0x13c [ 76.573871][ T4658] el0_svc+0x58/0x138 [ 76.574509][ T4658] el0t_64_sync_handler+0x84/0xf0 [ 76.575285][ T4658] el0t_64_sync+0x18c/0x190 [ 76.577723][ T4658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.579680][ T4658] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.703455][ T4660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.704700][ T4660] CPU: 1 PID: 4660 Comm: syz.1.104 Not tainted syzkaller #0 [ 76.705822][ T4660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.707342][ T4660] Call trace: [ 76.707853][ T4660] dump_backtrace+0x1c8/0x1f4 [ 76.708610][ T4660] show_stack+0x2c/0x3c [ 76.709287][ T4660] __dump_stack+0x30/0x40 [ 76.709974][ T4660] dump_stack_lvl+0xf8/0x160 [ 76.710677][ T4660] dump_stack+0x1c/0x5c [ 76.711287][ T4660] sysfs_create_dir_ns+0x22c/0x24c [ 76.712095][ T4660] kobject_add_internal+0x5a8/0xb30 [ 76.712946][ T4660] kobject_init_and_add+0x118/0x17c [ 76.713835][ T4660] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.714550][ T4660] gfs2_fill_super+0xdec/0x19ec [ 76.715326][ T4660] get_tree_bdev+0x358/0x544 [ 76.715976][ T4660] gfs2_get_tree+0x54/0x1b4 [ 76.716727][ T4660] vfs_get_tree+0x90/0x274 [ 76.717452][ T4660] do_new_mount+0x228/0x810 [ 76.718196][ T4660] path_mount+0x5b4/0xe78 [ 76.718893][ T4660] __arm64_sys_mount+0x49c/0x584 [ 76.719653][ T4660] invoke_syscall+0x98/0x2bc [ 76.720377][ T4660] el0_svc_common+0x138/0x258 [ 76.721083][ T4660] do_el0_svc+0x58/0x13c [ 76.721721][ T4660] el0_svc+0x58/0x138 [ 76.722270][ T4660] el0t_64_sync_handler+0x84/0xf0 [ 76.723028][ T4660] el0t_64_sync+0x18c/0x190 [ 76.724034][ T4660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.726097][ T4660] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.854236][ T4662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.855316][ T4662] CPU: 0 PID: 4662 Comm: syz.1.105 Not tainted syzkaller #0 [ 76.856507][ T4662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.857978][ T4662] Call trace: [ 76.858444][ T4662] dump_backtrace+0x1c8/0x1f4 [ 76.859163][ T4662] show_stack+0x2c/0x3c [ 76.859810][ T4662] __dump_stack+0x30/0x40 [ 76.860469][ T4662] dump_stack_lvl+0xf8/0x160 [ 76.861196][ T4662] dump_stack+0x1c/0x5c [ 76.861898][ T4662] sysfs_create_dir_ns+0x22c/0x24c [ 76.862687][ T4662] kobject_add_internal+0x5a8/0xb30 [ 76.863452][ T4662] kobject_init_and_add+0x118/0x17c [ 76.864285][ T4662] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.865050][ T4662] gfs2_fill_super+0xdec/0x19ec [ 76.865906][ T4662] get_tree_bdev+0x358/0x544 [ 76.866675][ T4662] gfs2_get_tree+0x54/0x1b4 [ 76.867429][ T4662] vfs_get_tree+0x90/0x274 [ 76.868202][ T4662] do_new_mount+0x228/0x810 [ 76.868948][ T4662] path_mount+0x5b4/0xe78 [ 76.869660][ T4662] __arm64_sys_mount+0x49c/0x584 [ 76.870444][ T4662] invoke_syscall+0x98/0x2bc [ 76.871214][ T4662] el0_svc_common+0x138/0x258 [ 76.872039][ T4662] do_el0_svc+0x58/0x13c [ 76.872760][ T4662] el0_svc+0x58/0x138 [ 76.873399][ T4662] el0t_64_sync_handler+0x84/0xf0 [ 76.874194][ T4662] el0t_64_sync+0x18c/0x190 [ 76.875017][ T4662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.877124][ T4662] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.006795][ T4664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.008009][ T4664] CPU: 0 PID: 4664 Comm: syz.1.106 Not tainted syzkaller #0 [ 77.009106][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.010593][ T4664] Call trace: [ 77.011078][ T4664] dump_backtrace+0x1c8/0x1f4 [ 77.011764][ T4664] show_stack+0x2c/0x3c [ 77.012422][ T4664] __dump_stack+0x30/0x40 [ 77.013087][ T4664] dump_stack_lvl+0xf8/0x160 [ 77.013736][ T4664] dump_stack+0x1c/0x5c [ 77.014362][ T4664] sysfs_create_dir_ns+0x22c/0x24c [ 77.015196][ T4664] kobject_add_internal+0x5a8/0xb30 [ 77.015992][ T4664] kobject_init_and_add+0x118/0x17c [ 77.016846][ T4664] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.017555][ T4664] gfs2_fill_super+0xdec/0x19ec [ 77.018317][ T4664] get_tree_bdev+0x358/0x544 [ 77.019025][ T4664] gfs2_get_tree+0x54/0x1b4 [ 77.019647][ T4664] vfs_get_tree+0x90/0x274 [ 77.020279][ T4664] do_new_mount+0x228/0x810 [ 77.020915][ T4664] path_mount+0x5b4/0xe78 [ 77.021610][ T4664] __arm64_sys_mount+0x49c/0x584 [ 77.022356][ T4664] invoke_syscall+0x98/0x2bc [ 77.023044][ T4664] el0_svc_common+0x138/0x258 [ 77.023768][ T4664] do_el0_svc+0x58/0x13c [ 77.024408][ T4664] el0_svc+0x58/0x138 [ 77.024954][ T4664] el0t_64_sync_handler+0x84/0xf0 [ 77.025739][ T4664] el0t_64_sync+0x18c/0x190 [ 77.026776][ T4664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.028756][ T4664] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.163200][ T4666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.164409][ T4666] CPU: 0 PID: 4666 Comm: syz.1.107 Not tainted syzkaller #0 [ 77.165533][ T4666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.167147][ T4666] Call trace: [ 77.167626][ T4666] dump_backtrace+0x1c8/0x1f4 [ 77.168380][ T4666] show_stack+0x2c/0x3c [ 77.169022][ T4666] __dump_stack+0x30/0x40 [ 77.169686][ T4666] dump_stack_lvl+0xf8/0x160 [ 77.170345][ T4666] dump_stack+0x1c/0x5c [ 77.170982][ T4666] sysfs_create_dir_ns+0x22c/0x24c [ 77.171797][ T4666] kobject_add_internal+0x5a8/0xb30 [ 77.172531][ T4666] kobject_init_and_add+0x118/0x17c [ 77.173293][ T4666] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.174070][ T4666] gfs2_fill_super+0xdec/0x19ec [ 77.174830][ T4666] get_tree_bdev+0x358/0x544 [ 77.175530][ T4666] gfs2_get_tree+0x54/0x1b4 [ 77.176244][ T4666] vfs_get_tree+0x90/0x274 [ 77.176934][ T4666] do_new_mount+0x228/0x810 [ 77.177632][ T4666] path_mount+0x5b4/0xe78 [ 77.178296][ T4666] __arm64_sys_mount+0x49c/0x584 [ 77.179068][ T4666] invoke_syscall+0x98/0x2bc [ 77.179734][ T4666] el0_svc_common+0x138/0x258 [ 77.180401][ T4666] do_el0_svc+0x58/0x13c [ 77.181074][ T4666] el0_svc+0x58/0x138 [ 77.181674][ T4666] el0t_64_sync_handler+0x84/0xf0 [ 77.182468][ T4666] el0t_64_sync+0x18c/0x190 [ 77.188200][ T4666] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.190349][ T4666] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.311615][ T4668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.312789][ T4668] CPU: 0 PID: 4668 Comm: syz.1.108 Not tainted syzkaller #0 [ 77.313909][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.315462][ T4668] Call trace: [ 77.315932][ T4668] dump_backtrace+0x1c8/0x1f4 [ 77.316720][ T4668] show_stack+0x2c/0x3c [ 77.317344][ T4668] __dump_stack+0x30/0x40 [ 77.318044][ T4668] dump_stack_lvl+0xf8/0x160 [ 77.318776][ T4668] dump_stack+0x1c/0x5c [ 77.319411][ T4668] sysfs_create_dir_ns+0x22c/0x24c [ 77.320202][ T4668] kobject_add_internal+0x5a8/0xb30 [ 77.321001][ T4668] kobject_init_and_add+0x118/0x17c [ 77.321774][ T4668] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.322552][ T4668] gfs2_fill_super+0xdec/0x19ec [ 77.323263][ T4668] get_tree_bdev+0x358/0x544 [ 77.324011][ T4668] gfs2_get_tree+0x54/0x1b4 [ 77.324700][ T4668] vfs_get_tree+0x90/0x274 [ 77.325357][ T4668] do_new_mount+0x228/0x810 [ 77.325971][ T4668] path_mount+0x5b4/0xe78 [ 77.326673][ T4668] __arm64_sys_mount+0x49c/0x584 [ 77.327419][ T4668] invoke_syscall+0x98/0x2bc [ 77.328108][ T4668] el0_svc_common+0x138/0x258 [ 77.328843][ T4668] do_el0_svc+0x58/0x13c [ 77.329404][ T4668] el0_svc+0x58/0x138 [ 77.330002][ T4668] el0t_64_sync_handler+0x84/0xf0 [ 77.330709][ T4668] el0t_64_sync+0x18c/0x190 [ 77.331694][ T4668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.333721][ T4668] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.463563][ T4670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.464777][ T4670] CPU: 1 PID: 4670 Comm: syz.1.109 Not tainted syzkaller #0 [ 77.465925][ T4670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.467486][ T4670] Call trace: [ 77.468031][ T4670] dump_backtrace+0x1c8/0x1f4 [ 77.468745][ T4670] show_stack+0x2c/0x3c [ 77.469412][ T4670] __dump_stack+0x30/0x40 [ 77.470063][ T4670] dump_stack_lvl+0xf8/0x160 [ 77.470781][ T4670] dump_stack+0x1c/0x5c [ 77.471465][ T4670] sysfs_create_dir_ns+0x22c/0x24c [ 77.472248][ T4670] kobject_add_internal+0x5a8/0xb30 [ 77.473018][ T4670] kobject_init_and_add+0x118/0x17c [ 77.473801][ T4670] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.474558][ T4670] gfs2_fill_super+0xdec/0x19ec [ 77.475320][ T4670] get_tree_bdev+0x358/0x544 [ 77.476019][ T4670] gfs2_get_tree+0x54/0x1b4 [ 77.476672][ T4670] vfs_get_tree+0x90/0x274 [ 77.477351][ T4670] do_new_mount+0x228/0x810 [ 77.478034][ T4670] path_mount+0x5b4/0xe78 [ 77.478626][ T4670] __arm64_sys_mount+0x49c/0x584 [ 77.479397][ T4670] invoke_syscall+0x98/0x2bc [ 77.480160][ T4670] el0_svc_common+0x138/0x258 [ 77.480942][ T4670] do_el0_svc+0x58/0x13c [ 77.481650][ T4670] el0_svc+0x58/0x138 [ 77.482275][ T4670] el0t_64_sync_handler+0x84/0xf0 [ 77.483048][ T4670] el0t_64_sync+0x18c/0x190 [ 77.485214][ T4670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.488579][ T4670] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.612352][ T4672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.614537][ T4672] CPU: 0 PID: 4672 Comm: syz.1.110 Not tainted syzkaller #0 [ 77.615644][ T4672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.617257][ T4672] Call trace: [ 77.617822][ T4672] dump_backtrace+0x1c8/0x1f4 [ 77.618514][ T4672] show_stack+0x2c/0x3c [ 77.619204][ T4672] __dump_stack+0x30/0x40 [ 77.619851][ T4672] dump_stack_lvl+0xf8/0x160 [ 77.620664][ T4672] dump_stack+0x1c/0x5c [ 77.621306][ T4672] sysfs_create_dir_ns+0x22c/0x24c [ 77.622082][ T4672] kobject_add_internal+0x5a8/0xb30 [ 77.622889][ T4672] kobject_init_and_add+0x118/0x17c [ 77.623686][ T4672] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.624407][ T4672] gfs2_fill_super+0xdec/0x19ec [ 77.625167][ T4672] get_tree_bdev+0x358/0x544 [ 77.625893][ T4672] gfs2_get_tree+0x54/0x1b4 [ 77.626578][ T4672] vfs_get_tree+0x90/0x274 [ 77.627276][ T4672] do_new_mount+0x228/0x810 [ 77.628008][ T4672] path_mount+0x5b4/0xe78 [ 77.628735][ T4672] __arm64_sys_mount+0x49c/0x584 [ 77.629477][ T4672] invoke_syscall+0x98/0x2bc [ 77.630175][ T4672] el0_svc_common+0x138/0x258 [ 77.630888][ T4672] do_el0_svc+0x58/0x13c [ 77.631537][ T4672] el0_svc+0x58/0x138 [ 77.632158][ T4672] el0t_64_sync_handler+0x84/0xf0 [ 77.632910][ T4672] el0t_64_sync+0x18c/0x190 [ 77.633869][ T4672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.635954][ T4672] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.765622][ T4674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.766816][ T4674] CPU: 1 PID: 4674 Comm: syz.1.111 Not tainted syzkaller #0 [ 77.767965][ T4674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.769395][ T4674] Call trace: [ 77.769938][ T4674] dump_backtrace+0x1c8/0x1f4 [ 77.770644][ T4674] show_stack+0x2c/0x3c [ 77.771313][ T4674] __dump_stack+0x30/0x40 [ 77.771950][ T4674] dump_stack_lvl+0xf8/0x160 [ 77.772616][ T4674] dump_stack+0x1c/0x5c [ 77.773270][ T4674] sysfs_create_dir_ns+0x22c/0x24c [ 77.774081][ T4674] kobject_add_internal+0x5a8/0xb30 [ 77.774836][ T4674] kobject_init_and_add+0x118/0x17c [ 77.775595][ T4674] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.776264][ T4674] gfs2_fill_super+0xdec/0x19ec [ 77.777036][ T4674] get_tree_bdev+0x358/0x544 [ 77.777701][ T4674] gfs2_get_tree+0x54/0x1b4 [ 77.778362][ T4674] vfs_get_tree+0x90/0x274 [ 77.778992][ T4674] do_new_mount+0x228/0x810 [ 77.779808][ T4674] path_mount+0x5b4/0xe78 [ 77.780524][ T4674] __arm64_sys_mount+0x49c/0x584 [ 77.781276][ T4674] invoke_syscall+0x98/0x2bc [ 77.781937][ T4674] el0_svc_common+0x138/0x258 [ 77.782661][ T4674] do_el0_svc+0x58/0x13c [ 77.783334][ T4674] el0_svc+0x58/0x138 [ 77.783960][ T4674] el0t_64_sync_handler+0x84/0xf0 [ 77.784770][ T4674] el0t_64_sync+0x18c/0x190 [ 77.786989][ T4674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.789042][ T4674] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.917690][ T4676] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.919604][ T4676] CPU: 1 PID: 4676 Comm: syz.1.112 Not tainted syzkaller #0 [ 77.920727][ T4676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.922288][ T4676] Call trace: [ 77.922807][ T4676] dump_backtrace+0x1c8/0x1f4 [ 77.923576][ T4676] show_stack+0x2c/0x3c [ 77.924308][ T4676] __dump_stack+0x30/0x40 [ 77.924999][ T4676] dump_stack_lvl+0xf8/0x160 [ 77.925699][ T4676] dump_stack+0x1c/0x5c [ 77.926334][ T4676] sysfs_create_dir_ns+0x22c/0x24c [ 77.927130][ T4676] kobject_add_internal+0x5a8/0xb30 [ 77.928004][ T4676] kobject_init_and_add+0x118/0x17c [ 77.928751][ T4676] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.929456][ T4676] gfs2_fill_super+0xdec/0x19ec [ 77.930172][ T4676] get_tree_bdev+0x358/0x544 [ 77.930909][ T4676] gfs2_get_tree+0x54/0x1b4 [ 77.931631][ T4676] vfs_get_tree+0x90/0x274 [ 77.932362][ T4676] do_new_mount+0x228/0x810 [ 77.933095][ T4676] path_mount+0x5b4/0xe78 [ 77.933739][ T4676] __arm64_sys_mount+0x49c/0x584 [ 77.934540][ T4676] invoke_syscall+0x98/0x2bc [ 77.935335][ T4676] el0_svc_common+0x138/0x258 [ 77.936042][ T4676] do_el0_svc+0x58/0x13c [ 77.936779][ T4676] el0_svc+0x58/0x138 [ 77.937414][ T4676] el0t_64_sync_handler+0x84/0xf0 [ 77.938169][ T4676] el0t_64_sync+0x18c/0x190 [ 77.942266][ T4676] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.943113][ T3084] ------------[ cut here ]------------ [ 77.945398][ T3084] WARNING: CPU: 0 PID: 3084 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 77.946053][ T4676] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.946983][ T3084] Modules linked in: [ 77.948589][ T3084] CPU: 0 PID: 3084 Comm: kworker/0:1H Not tainted syzkaller #0 [ 77.949710][ T3084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.951302][ T3084] Workqueue: glock_workqueue glock_work_func [ 77.952204][ T3084] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.953387][ T3084] pc : __folio_mark_dirty+0x8a0/0xce0 [ 77.954252][ T3084] lr : __folio_mark_dirty+0x8a0/0xce0 [ 77.955075][ T3084] sp : ffff800020d676c0 [ 77.955698][ T3084] x29: ffff800020d676e0 x28: 1fffff8000671998 x27: dfff800000000000 [ 77.956949][ T3084] x26: 0000000000000000 x25: ffff0000c058be90 x24: 0000000000000001 [ 77.958186][ T3084] x23: 0000000000000000 x22: fffffc000338ccc8 x21: 1fffe000180b17d2 [ 77.959424][ T3084] x20: ffff0000d8f987e8 x19: fffffc000338ccc0 x18: ffff800011a6bd40 [ 77.960619][ T3084] x17: ffff800018186000 x16: ffff8000082d35d8 x15: ffff800017c67000 [ 77.961896][ T3084] x14: ffff0000d458a658 x13: ffff0000d458a6f8 x12: 0000000000ff0100 [ 77.963089][ T3084] x11: ff008000086fe704 x10: 0000000000000000 x9 : ffff8000086fe704 [ 77.964340][ T3084] x8 : ffff0000d4589bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 77.965655][ T3084] x5 : ffff80001835b200 x4 : 0000000000000008 x3 : ffff800008a49628 [ 77.966827][ T3084] x2 : ffff0000cee00060 x1 : 0000000000000000 x0 : 0000000000000000 [ 77.967994][ T3084] Call trace: [ 77.968493][ T3084] __folio_mark_dirty+0x8a0/0xce0 [ 77.969281][ T3084] mark_buffer_dirty+0x2b8/0x5cc [ 77.970048][ T3084] gfs2_unpin+0x120/0x914 [ 77.970745][ T3084] buf_lo_after_commit+0x140/0x188 [ 77.971525][ T3084] gfs2_log_flush+0xbc8/0x1aa0 [ 77.972261][ T3084] inode_go_sync+0x26c/0x614 [ 77.972977][ T3084] do_xmote+0x2e8/0x1198 [ 77.973684][ T3084] run_queue+0x3b4/0x690 [ 77.974355][ T3084] glock_work_func+0x1fc/0x428 [ 77.975050][ T3084] process_one_work+0x7f4/0x13a8 [ 77.975782][ T3084] worker_thread+0x8c8/0xfbc [ 77.976457][ T3084] kthread+0x250/0x2d8 [ 77.977098][ T3084] ret_from_fork+0x10/0x20 [ 77.977833][ T3084] irq event stamp: 650 [ 77.978507][ T3084] hardirqs last enabled at (649): [] folio_memcg_lock+0xe8/0x1fc [ 77.979918][ T3084] hardirqs last disabled at (650): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 77.981420][ T3084] softirqs last enabled at (0): [] copy_process+0x1244/0x3670 [ 77.982821][ T3084] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 77.983863][ T3084] ---[ end trace 0000000000000000 ]--- [ 77.986386][ T3084] ------------[ cut here ]------------ [ 77.987209][ T3084] WARNING: CPU: 0 PID: 3084 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 77.988833][ T3084] Modules linked in: [ 77.989430][ T3084] CPU: 0 PID: 3084 Comm: kworker/0:1H Tainted: G W syzkaller #0 [ 77.990929][ T3084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.992571][ T3084] Workqueue: glock_workqueue glock_work_func [ 77.993446][ T3084] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.994643][ T3084] pc : __folio_start_writeback+0x868/0xa68 [ 77.995547][ T3084] lr : __folio_start_writeback+0x868/0xa68 [ 77.996413][ T3084] sp : ffff800020d672a0 [ 77.997039][ T3084] x29: ffff800020d67380 x28: dfff800000000000 x27: 0000000000000000 [ 77.998270][ T3084] x26: ffff7000041ace5c x25: 0000000000000000 x24: ffff0000d8f997c0 [ 77.999537][ T3084] x23: ffff800020d67300 x22: ffff0000c058bce8 x21: 0000000000000001 [ 78.000865][ T3084] x20: fffffc0003351008 x19: fffffc0003351000 x18: ffff800011a6bd40 [ 78.002146][ T3084] x17: ffff800018186000 x16: ffff8000082d35d8 x15: ffff800017c67000 [ 78.003509][ T3084] x14: ffff0000d458a658 x13: ffff0000d458a6d0 x12: 0000000000ff0100 [ 78.004836][ T3084] x11: ff00800008700c1c x10: 0000000000000000 x9 : ffff800008700c1c [ 78.006144][ T3084] x8 : ffff0000d4589bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 78.007472][ T3084] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000087006dc [ 78.008867][ T3084] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 78.010139][ T3084] Call trace: [ 78.010682][ T3084] __folio_start_writeback+0x868/0xa68 [ 78.011577][ T3084] set_page_writeback+0x5c/0x7c [ 78.012327][ T3084] gfs2_aspace_writepage+0x520/0x6e8 [ 78.013120][ T3084] __writepage+0x70/0x18c [ 78.013818][ T3084] write_cache_pages+0x73c/0xdd4 [ 78.014588][ T3084] do_writepages+0x320/0x4fc [ 78.015280][ T3084] filemap_fdatawrite_wbc+0x124/0x174 [ 78.016133][ T3084] filemap_fdatawrite+0xc4/0x114 [ 78.016950][ T3084] inode_go_sync+0x274/0x614 [ 78.017650][ T3084] do_xmote+0x2e8/0x1198 [ 78.018292][ T3084] run_queue+0x3b4/0x690 [ 78.018995][ T3084] glock_work_func+0x1fc/0x428 [ 78.019787][ T3084] process_one_work+0x7f4/0x13a8 [ 78.020551][ T3084] worker_thread+0x8c8/0xfbc [ 78.021270][ T3084] kthread+0x250/0x2d8 [ 78.021876][ T3084] ret_from_fork+0x10/0x20 [ 78.022568][ T3084] irq event stamp: 684 [ 78.023207][ T3084] hardirqs last enabled at (683): [] folio_memcg_lock+0xe8/0x1fc [ 78.024610][ T3084] hardirqs last disabled at (684): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 78.026155][ T3084] softirqs last enabled at (0): [] copy_process+0x1244/0x3670 [ 78.027542][ T3084] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 78.028632][ T3084] ---[ end trace 0000000000000000 ]--- [ 78.031059][ C0] ------------[ cut here ]------------ [ 78.031943][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 78.033553][ C0] Modules linked in: [ 78.034195][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 78.035707][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.037139][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.038286][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 78.039143][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 78.040051][ C0] sp : ffff80001c857960 [ 78.040664][ C0] x29: ffff80001c857980 x28: dfff800000000000 x27: ffff0000c058bce8 [ 78.041944][ C0] x26: 0000000000000000 x25: 05ffd200000020d2 x24: 1fffff800066a200 [ 78.043167][ C0] x23: 0000000000000001 x22: ffff0000d8f997c0 x21: ffff0000d8f997c8 [ 78.044473][ C0] x20: 0000000000000001 x19: fffffc0003351000 x18: ffff800011a6bd40 [ 78.045685][ C0] x17: 1fffe00033ee777e x16: ffff8000082d35d8 x15: 0000000000000000 [ 78.046824][ C0] x14: 0000000000000002 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100 [ 78.047998][ C0] x11: ff008000087001a8 x10: 0000000000000000 x9 : ffff8000087001a8 [ 78.049269][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 78.050483][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 78.051661][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 78.052802][ C0] Call trace: [ 78.053348][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 78.054180][ C0] folio_end_writeback+0x12c/0x41c [ 78.054959][ C0] end_page_writeback+0x58/0x74 [ 78.055746][ C0] end_buffer_async_write+0x32c/0x508 [ 78.056520][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 78.057263][ C0] bio_endio+0x770/0x7b4 [ 78.057921][ C0] blk_update_request+0x49c/0xbec [ 78.058717][ C0] blk_mq_end_request+0x54/0x88 [ 78.059456][ C0] lo_complete_rq+0x1ec/0x250 [ 78.060161][ C0] blk_done_softirq+0x11c/0x168 [ 78.060865][ C0] handle_softirqs+0x318/0xc6c [ 78.061584][ C0] run_ksoftirqd+0x7c/0x2b0 [ 78.062301][ C0] smpboot_thread_fn+0x4b0/0x964 [ 78.063062][ C0] kthread+0x250/0x2d8 [ 78.063710][ C0] ret_from_fork+0x10/0x20 [ 78.064368][ C0] irq event stamp: 554235 [ 78.064989][ C0] hardirqs last enabled at (554234): [] folio_memcg_lock+0xe8/0x1fc [ 78.066487][ C0] hardirqs last disabled at (554235): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 78.068017][ C0] softirqs last enabled at (554224): [] handle_softirqs+0xaf8/0xc6c [ 78.069474][ C0] softirqs last disabled at (554229): [] run_ksoftirqd+0x7c/0x2b0 [ 78.070837][ C0] ---[ end trace 0000000000000000 ]--- [ 78.225351][ T4681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.226494][ T4681] CPU: 1 PID: 4681 Comm: syz.1.114 Tainted: G W syzkaller #0 [ 78.227988][ T4681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.229575][ T4681] Call trace: [ 78.230105][ T4681] dump_backtrace+0x1c8/0x1f4 [ 78.230814][ T4681] show_stack+0x2c/0x3c [ 78.231451][ T4681] __dump_stack+0x30/0x40 [ 78.232125][ T4681] dump_stack_lvl+0xf8/0x160 [ 78.232924][ T4681] dump_stack+0x1c/0x5c [ 78.233609][ T4681] sysfs_create_dir_ns+0x22c/0x24c [ 78.234414][ T4681] kobject_add_internal+0x5a8/0xb30 [ 78.235247][ T4681] kobject_init_and_add+0x118/0x17c [ 78.236057][ T4681] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.236793][ T4681] gfs2_fill_super+0xdec/0x19ec [ 78.237556][ T4681] get_tree_bdev+0x358/0x544 [ 78.238228][ T4681] gfs2_get_tree+0x54/0x1b4 [ 78.238957][ T4681] vfs_get_tree+0x90/0x274 [ 78.239668][ T4681] do_new_mount+0x228/0x810 [ 78.240375][ T4681] path_mount+0x5b4/0xe78 [ 78.241058][ T4681] __arm64_sys_mount+0x49c/0x584 [ 78.241850][ T4681] invoke_syscall+0x98/0x2bc [ 78.242567][ T4681] el0_svc_common+0x138/0x258 [ 78.243333][ T4681] do_el0_svc+0x58/0x13c [ 78.243985][ T4681] el0_svc+0x58/0x138 [ 78.244573][ T4681] el0t_64_sync_handler+0x84/0xf0 [ 78.245361][ T4681] el0t_64_sync+0x18c/0x190 [ 78.249328][ T4681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.251360][ T4681] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.371348][ T4683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.372444][ T4683] CPU: 0 PID: 4683 Comm: syz.1.115 Tainted: G W syzkaller #0 [ 78.373874][ T4683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.375314][ T4683] Call trace: [ 78.375855][ T4683] dump_backtrace+0x1c8/0x1f4 [ 78.376511][ T4683] show_stack+0x2c/0x3c [ 78.377155][ T4683] __dump_stack+0x30/0x40 [ 78.377823][ T4683] dump_stack_lvl+0xf8/0x160 [ 78.378513][ T4683] dump_stack+0x1c/0x5c [ 78.379182][ T4683] sysfs_create_dir_ns+0x22c/0x24c [ 78.379984][ T4683] kobject_add_internal+0x5a8/0xb30 [ 78.380833][ T4683] kobject_init_and_add+0x118/0x17c [ 78.381699][ T4683] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.382411][ T4683] gfs2_fill_super+0xdec/0x19ec [ 78.383192][ T4683] get_tree_bdev+0x358/0x544 [ 78.383883][ T4683] gfs2_get_tree+0x54/0x1b4 [ 78.384540][ T4683] vfs_get_tree+0x90/0x274 [ 78.385210][ T4683] do_new_mount+0x228/0x810 [ 78.385893][ T4683] path_mount+0x5b4/0xe78 [ 78.386545][ T4683] __arm64_sys_mount+0x49c/0x584 [ 78.387257][ T4683] invoke_syscall+0x98/0x2bc [ 78.387987][ T4683] el0_svc_common+0x138/0x258 [ 78.388668][ T4683] do_el0_svc+0x58/0x13c [ 78.389450][ T4683] el0_svc+0x58/0x138 [ 78.390159][ T4683] el0t_64_sync_handler+0x84/0xf0 [ 78.390961][ T4683] el0t_64_sync+0x18c/0x190 [ 78.391925][ T4683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.394028][ T4683] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.517413][ T4685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.518655][ T4685] CPU: 1 PID: 4685 Comm: syz.1.116 Tainted: G W syzkaller #0 [ 78.520031][ T4685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.521572][ T4685] Call trace: [ 78.522111][ T4685] dump_backtrace+0x1c8/0x1f4 [ 78.522847][ T4685] show_stack+0x2c/0x3c [ 78.523530][ T4685] __dump_stack+0x30/0x40 [ 78.524200][ T4685] dump_stack_lvl+0xf8/0x160 [ 78.524954][ T4685] dump_stack+0x1c/0x5c [ 78.525591][ T4685] sysfs_create_dir_ns+0x22c/0x24c [ 78.526424][ T4685] kobject_add_internal+0x5a8/0xb30 [ 78.527178][ T4685] kobject_init_and_add+0x118/0x17c [ 78.527987][ T4685] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.528738][ T4685] gfs2_fill_super+0xdec/0x19ec [ 78.529544][ T4685] get_tree_bdev+0x358/0x544 [ 78.530281][ T4685] gfs2_get_tree+0x54/0x1b4 [ 78.530963][ T4685] vfs_get_tree+0x90/0x274 [ 78.531586][ T4685] do_new_mount+0x228/0x810 [ 78.532225][ T4685] path_mount+0x5b4/0xe78 [ 78.532871][ T4685] __arm64_sys_mount+0x49c/0x584 [ 78.533655][ T4685] invoke_syscall+0x98/0x2bc [ 78.534380][ T4685] el0_svc_common+0x138/0x258 [ 78.535059][ T4685] do_el0_svc+0x58/0x13c [ 78.535745][ T4685] el0_svc+0x58/0x138 [ 78.536322][ T4685] el0t_64_sync_handler+0x84/0xf0 [ 78.537063][ T4685] el0t_64_sync+0x18c/0x190 [ 78.537819][ T4685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.539764][ T4685] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.669038][ T4687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.670256][ T4687] CPU: 1 PID: 4687 Comm: syz.1.117 Tainted: G W syzkaller #0 [ 78.671698][ T4687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.673299][ T4687] Call trace: [ 78.673866][ T4687] dump_backtrace+0x1c8/0x1f4 [ 78.674587][ T4687] show_stack+0x2c/0x3c [ 78.675280][ T4687] __dump_stack+0x30/0x40 [ 78.675973][ T4687] dump_stack_lvl+0xf8/0x160 [ 78.676665][ T4687] dump_stack+0x1c/0x5c [ 78.677300][ T4687] sysfs_create_dir_ns+0x22c/0x24c [ 78.678130][ T4687] kobject_add_internal+0x5a8/0xb30 [ 78.678923][ T4687] kobject_init_and_add+0x118/0x17c [ 78.679766][ T4687] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.680512][ T4687] gfs2_fill_super+0xdec/0x19ec [ 78.681280][ T4687] get_tree_bdev+0x358/0x544 [ 78.682015][ T4687] gfs2_get_tree+0x54/0x1b4 [ 78.682716][ T4687] vfs_get_tree+0x90/0x274 [ 78.683342][ T4687] do_new_mount+0x228/0x810 [ 78.684044][ T4687] path_mount+0x5b4/0xe78 [ 78.684727][ T4687] __arm64_sys_mount+0x49c/0x584 [ 78.685479][ T4687] invoke_syscall+0x98/0x2bc [ 78.686204][ T4687] el0_svc_common+0x138/0x258 [ 78.686857][ T4687] do_el0_svc+0x58/0x13c [ 78.687560][ T4687] el0_svc+0x58/0x138 [ 78.688185][ T4687] el0t_64_sync_handler+0x84/0xf0 [ 78.688914][ T4687] el0t_64_sync+0x18c/0x190 [ 78.689726][ T4687] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.691810][ T4687] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.809874][ T4689] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.811001][ T4689] CPU: 0 PID: 4689 Comm: syz.1.118 Tainted: G W syzkaller #0 [ 78.812341][ T4689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.813886][ T4689] Call trace: [ 78.814444][ T4689] dump_backtrace+0x1c8/0x1f4 [ 78.815197][ T4689] show_stack+0x2c/0x3c [ 78.815850][ T4689] __dump_stack+0x30/0x40 [ 78.816579][ T4689] dump_stack_lvl+0xf8/0x160 [ 78.817283][ T4689] dump_stack+0x1c/0x5c [ 78.817984][ T4689] sysfs_create_dir_ns+0x22c/0x24c [ 78.818812][ T4689] kobject_add_internal+0x5a8/0xb30 [ 78.819628][ T4689] kobject_init_and_add+0x118/0x17c [ 78.820427][ T4689] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.821214][ T4689] gfs2_fill_super+0xdec/0x19ec [ 78.822020][ T4689] get_tree_bdev+0x358/0x544 [ 78.822725][ T4689] gfs2_get_tree+0x54/0x1b4 [ 78.823417][ T4689] vfs_get_tree+0x90/0x274 [ 78.824104][ T4689] do_new_mount+0x228/0x810 [ 78.824761][ T4689] path_mount+0x5b4/0xe78 [ 78.825490][ T4689] __arm64_sys_mount+0x49c/0x584 [ 78.826212][ T4689] invoke_syscall+0x98/0x2bc [ 78.826902][ T4689] el0_svc_common+0x138/0x258 [ 78.827663][ T4689] do_el0_svc+0x58/0x13c [ 78.828267][ T4689] el0_svc+0x58/0x138 [ 78.828867][ T4689] el0t_64_sync_handler+0x84/0xf0 [ 78.829554][ T4689] el0t_64_sync+0x18c/0x190 [ 78.831889][ T4689] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.834198][ T4689] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:18 executed programs: 104 [ 78.955234][ T4691] set_capacity_and_notify: 23 callbacks suppressed [ 78.955244][ T4691] loop1: detected capacity change from 0 to 32768 [ 78.961728][ T4691] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.963081][ T4691] CPU: 1 PID: 4691 Comm: syz.1.119 Tainted: G W syzkaller #0 [ 78.964493][ T4691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.966090][ T4691] Call trace: [ 78.966676][ T4691] dump_backtrace+0x1c8/0x1f4 [ 78.967442][ T4691] show_stack+0x2c/0x3c [ 78.968139][ T4691] __dump_stack+0x30/0x40 [ 78.968888][ T4691] dump_stack_lvl+0xf8/0x160 [ 78.969683][ T4691] dump_stack+0x1c/0x5c [ 78.970346][ T4691] sysfs_create_dir_ns+0x22c/0x24c [ 78.971118][ T4691] kobject_add_internal+0x5a8/0xb30 [ 78.971896][ T4691] kobject_init_and_add+0x118/0x17c [ 78.972678][ T4691] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.973440][ T4691] gfs2_fill_super+0xdec/0x19ec [ 78.974171][ T4691] get_tree_bdev+0x358/0x544 [ 78.974855][ T4691] gfs2_get_tree+0x54/0x1b4 [ 78.975588][ T4691] vfs_get_tree+0x90/0x274 [ 78.976277][ T4691] do_new_mount+0x228/0x810 [ 78.976945][ T4691] path_mount+0x5b4/0xe78 [ 78.977595][ T4691] __arm64_sys_mount+0x49c/0x584 [ 78.978338][ T4691] invoke_syscall+0x98/0x2bc [ 78.979087][ T4691] el0_svc_common+0x138/0x258 [ 78.979801][ T4691] do_el0_svc+0x58/0x13c [ 78.980445][ T4691] el0_svc+0x58/0x138 [ 78.981101][ T4691] el0t_64_sync_handler+0x84/0xf0 [ 78.981878][ T4691] el0t_64_sync+0x18c/0x190 [ 78.982807][ T4691] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.984684][ T4691] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.105917][ T4693] loop1: detected capacity change from 0 to 32768 [ 79.110529][ T4693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.112251][ T4693] CPU: 0 PID: 4693 Comm: syz.1.120 Tainted: G W syzkaller #0 [ 79.113565][ T4693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.115079][ T4693] Call trace: [ 79.115632][ T4693] dump_backtrace+0x1c8/0x1f4 [ 79.116372][ T4693] show_stack+0x2c/0x3c [ 79.117028][ T4693] __dump_stack+0x30/0x40 [ 79.117709][ T4693] dump_stack_lvl+0xf8/0x160 [ 79.118368][ T4693] dump_stack+0x1c/0x5c [ 79.118985][ T4693] sysfs_create_dir_ns+0x22c/0x24c [ 79.119809][ T4693] kobject_add_internal+0x5a8/0xb30 [ 79.120610][ T4693] kobject_init_and_add+0x118/0x17c [ 79.121449][ T4693] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.122168][ T4693] gfs2_fill_super+0xdec/0x19ec [ 79.122918][ T4693] get_tree_bdev+0x358/0x544 [ 79.123745][ T4693] gfs2_get_tree+0x54/0x1b4 [ 79.124469][ T4693] vfs_get_tree+0x90/0x274 [ 79.125142][ T4693] do_new_mount+0x228/0x810 [ 79.125861][ T4693] path_mount+0x5b4/0xe78 [ 79.126562][ T4693] __arm64_sys_mount+0x49c/0x584 [ 79.127300][ T4693] invoke_syscall+0x98/0x2bc [ 79.127983][ T4693] el0_svc_common+0x138/0x258 [ 79.128678][ T4693] do_el0_svc+0x58/0x13c [ 79.129349][ T4693] el0_svc+0x58/0x138 [ 79.129874][ T4693] el0t_64_sync_handler+0x84/0xf0 [ 79.130665][ T4693] el0t_64_sync+0x18c/0x190 [ 79.131844][ T4693] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.133851][ T4693] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.259374][ T4695] loop1: detected capacity change from 0 to 32768 [ 79.266131][ T4695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.267367][ T4695] CPU: 1 PID: 4695 Comm: syz.1.121 Tainted: G W syzkaller #0 [ 79.268679][ T4695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.270220][ T4695] Call trace: [ 79.270741][ T4695] dump_backtrace+0x1c8/0x1f4 [ 79.271439][ T4695] show_stack+0x2c/0x3c [ 79.272101][ T4695] __dump_stack+0x30/0x40 [ 79.272745][ T4695] dump_stack_lvl+0xf8/0x160 [ 79.273407][ T4695] dump_stack+0x1c/0x5c [ 79.274090][ T4695] sysfs_create_dir_ns+0x22c/0x24c [ 79.274808][ T4695] kobject_add_internal+0x5a8/0xb30 [ 79.275614][ T4695] kobject_init_and_add+0x118/0x17c [ 79.276424][ T4695] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.277152][ T4695] gfs2_fill_super+0xdec/0x19ec [ 79.277974][ T4695] get_tree_bdev+0x358/0x544 [ 79.278668][ T4695] gfs2_get_tree+0x54/0x1b4 [ 79.279339][ T4695] vfs_get_tree+0x90/0x274 [ 79.279943][ T4695] do_new_mount+0x228/0x810 [ 79.280669][ T4695] path_mount+0x5b4/0xe78 [ 79.281318][ T4695] __arm64_sys_mount+0x49c/0x584 [ 79.282115][ T4695] invoke_syscall+0x98/0x2bc [ 79.282808][ T4695] el0_svc_common+0x138/0x258 [ 79.283536][ T4695] do_el0_svc+0x58/0x13c [ 79.284184][ T4695] el0_svc+0x58/0x138 [ 79.284792][ T4695] el0t_64_sync_handler+0x84/0xf0 [ 79.285611][ T4695] el0t_64_sync+0x18c/0x190 [ 79.287857][ T4695] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.289935][ T4695] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.422553][ T4697] loop1: detected capacity change from 0 to 32768 [ 79.428067][ T4697] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.429226][ T4697] CPU: 1 PID: 4697 Comm: syz.1.122 Tainted: G W syzkaller #0 [ 79.430638][ T4697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.432285][ T4697] Call trace: [ 79.432799][ T4697] dump_backtrace+0x1c8/0x1f4 [ 79.433569][ T4697] show_stack+0x2c/0x3c [ 79.434211][ T4697] __dump_stack+0x30/0x40 [ 79.434934][ T4697] dump_stack_lvl+0xf8/0x160 [ 79.435624][ T4697] dump_stack+0x1c/0x5c [ 79.436274][ T4697] sysfs_create_dir_ns+0x22c/0x24c [ 79.437082][ T4697] kobject_add_internal+0x5a8/0xb30 [ 79.437860][ T4697] kobject_init_and_add+0x118/0x17c [ 79.438636][ T4697] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.439337][ T4697] gfs2_fill_super+0xdec/0x19ec [ 79.440041][ T4697] get_tree_bdev+0x358/0x544 [ 79.440731][ T4697] gfs2_get_tree+0x54/0x1b4 [ 79.441394][ T4697] vfs_get_tree+0x90/0x274 [ 79.442090][ T4697] do_new_mount+0x228/0x810 [ 79.442769][ T4697] path_mount+0x5b4/0xe78 [ 79.443481][ T4697] __arm64_sys_mount+0x49c/0x584 [ 79.444244][ T4697] invoke_syscall+0x98/0x2bc [ 79.444984][ T4697] el0_svc_common+0x138/0x258 [ 79.445693][ T4697] do_el0_svc+0x58/0x13c [ 79.446322][ T4697] el0_svc+0x58/0x138 [ 79.446936][ T4697] el0t_64_sync_handler+0x84/0xf0 [ 79.447753][ T4697] el0t_64_sync+0x18c/0x190 [ 79.449762][ T4697] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.451753][ T4697] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.572027][ T4699] loop1: detected capacity change from 0 to 32768 [ 79.576275][ T4699] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.577736][ T4699] CPU: 0 PID: 4699 Comm: syz.1.123 Tainted: G W syzkaller #0 [ 79.579141][ T4699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.580823][ T4699] Call trace: [ 79.581357][ T4699] dump_backtrace+0x1c8/0x1f4 [ 79.582168][ T4699] show_stack+0x2c/0x3c [ 79.582827][ T4699] __dump_stack+0x30/0x40 [ 79.583517][ T4699] dump_stack_lvl+0xf8/0x160 [ 79.584216][ T4699] dump_stack+0x1c/0x5c [ 79.584924][ T4699] sysfs_create_dir_ns+0x22c/0x24c [ 79.585723][ T4699] kobject_add_internal+0x5a8/0xb30 [ 79.586554][ T4699] kobject_init_and_add+0x118/0x17c [ 79.587342][ T4699] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.588066][ T4699] gfs2_fill_super+0xdec/0x19ec [ 79.588834][ T4699] get_tree_bdev+0x358/0x544 [ 79.589525][ T4699] gfs2_get_tree+0x54/0x1b4 [ 79.590234][ T4699] vfs_get_tree+0x90/0x274 [ 79.590898][ T4699] do_new_mount+0x228/0x810 [ 79.591560][ T4699] path_mount+0x5b4/0xe78 [ 79.592209][ T4699] __arm64_sys_mount+0x49c/0x584 [ 79.592989][ T4699] invoke_syscall+0x98/0x2bc [ 79.593681][ T4699] el0_svc_common+0x138/0x258 [ 79.594380][ T4699] do_el0_svc+0x58/0x13c [ 79.594992][ T4699] el0_svc+0x58/0x138 [ 79.595589][ T4699] el0t_64_sync_handler+0x84/0xf0 [ 79.596378][ T4699] el0t_64_sync+0x18c/0x190 [ 79.597326][ T4699] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.599482][ T4699] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.719597][ T4701] loop1: detected capacity change from 0 to 32768 [ 79.727019][ T4701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.728230][ T4701] CPU: 1 PID: 4701 Comm: syz.1.124 Tainted: G W syzkaller #0 [ 79.729602][ T4701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.731189][ T4701] Call trace: [ 79.731729][ T4701] dump_backtrace+0x1c8/0x1f4 [ 79.732432][ T4701] show_stack+0x2c/0x3c [ 79.733095][ T4701] __dump_stack+0x30/0x40 [ 79.733805][ T4701] dump_stack_lvl+0xf8/0x160 [ 79.734562][ T4701] dump_stack+0x1c/0x5c [ 79.735182][ T4701] sysfs_create_dir_ns+0x22c/0x24c [ 79.735956][ T4701] kobject_add_internal+0x5a8/0xb30 [ 79.736759][ T4701] kobject_init_and_add+0x118/0x17c [ 79.737542][ T4701] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.738294][ T4701] gfs2_fill_super+0xdec/0x19ec [ 79.739034][ T4701] get_tree_bdev+0x358/0x544 [ 79.739759][ T4701] gfs2_get_tree+0x54/0x1b4 [ 79.740483][ T4701] vfs_get_tree+0x90/0x274 [ 79.741150][ T4701] do_new_mount+0x228/0x810 [ 79.741891][ T4701] path_mount+0x5b4/0xe78 [ 79.742589][ T4701] __arm64_sys_mount+0x49c/0x584 [ 79.743353][ T4701] invoke_syscall+0x98/0x2bc [ 79.744065][ T4701] el0_svc_common+0x138/0x258 [ 79.744859][ T4701] do_el0_svc+0x58/0x13c [ 79.745584][ T4701] el0_svc+0x58/0x138 [ 79.746283][ T4701] el0t_64_sync_handler+0x84/0xf0 [ 79.747096][ T4701] el0t_64_sync+0x18c/0x190 [ 79.749501][ T4701] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.751495][ T4701] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.774955][ T4467] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 79.907484][ T4703] loop1: detected capacity change from 0 to 32768 [ 79.912690][ T4703] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.913980][ T4703] CPU: 0 PID: 4703 Comm: syz.1.125 Tainted: G W syzkaller #0 [ 79.915436][ T4703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.917026][ T4703] Call trace: [ 79.917550][ T4703] dump_backtrace+0x1c8/0x1f4 [ 79.918281][ T4703] show_stack+0x2c/0x3c [ 79.918979][ T4703] __dump_stack+0x30/0x40 [ 79.919632][ T4703] dump_stack_lvl+0xf8/0x160 [ 79.920297][ T4703] dump_stack+0x1c/0x5c [ 79.920963][ T4703] sysfs_create_dir_ns+0x22c/0x24c [ 79.921766][ T4703] kobject_add_internal+0x5a8/0xb30 [ 79.922586][ T4703] kobject_init_and_add+0x118/0x17c [ 79.923363][ T4703] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.924120][ T4703] gfs2_fill_super+0xdec/0x19ec [ 79.924910][ T4703] get_tree_bdev+0x358/0x544 [ 79.925637][ T4703] gfs2_get_tree+0x54/0x1b4 [ 79.926379][ T4703] vfs_get_tree+0x90/0x274 [ 79.927077][ T4703] do_new_mount+0x228/0x810 [ 79.927840][ T4703] path_mount+0x5b4/0xe78 [ 79.928547][ T4703] __arm64_sys_mount+0x49c/0x584 [ 79.929350][ T4703] invoke_syscall+0x98/0x2bc [ 79.930044][ T4703] el0_svc_common+0x138/0x258 [ 79.930750][ T4703] do_el0_svc+0x58/0x13c [ 79.931436][ T4703] el0_svc+0x58/0x138 [ 79.932038][ T4703] el0t_64_sync_handler+0x84/0xf0 [ 79.932842][ T4703] el0t_64_sync+0x18c/0x190 [ 79.933658][ T4703] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.935479][ T4703] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.053679][ T4705] loop1: detected capacity change from 0 to 32768 [ 80.055414][ T4705] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.056605][ T4705] CPU: 0 PID: 4705 Comm: syz.1.126 Tainted: G W syzkaller #0 [ 80.058042][ T4705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.059612][ T4705] Call trace: [ 80.060112][ T4705] dump_backtrace+0x1c8/0x1f4 [ 80.061183][ T4705] show_stack+0x2c/0x3c [ 80.061858][ T4705] __dump_stack+0x30/0x40 [ 80.062588][ T4705] dump_stack_lvl+0xf8/0x160 [ 80.063329][ T4705] dump_stack+0x1c/0x5c [ 80.063989][ T4705] sysfs_create_dir_ns+0x22c/0x24c [ 80.064838][ T4705] kobject_add_internal+0x5a8/0xb30 [ 80.065732][ T4705] kobject_init_and_add+0x118/0x17c [ 80.066533][ T4705] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.067258][ T4705] gfs2_fill_super+0xdec/0x19ec [ 80.067966][ T4705] get_tree_bdev+0x358/0x544 [ 80.068654][ T4705] gfs2_get_tree+0x54/0x1b4 [ 80.069352][ T4705] vfs_get_tree+0x90/0x274 [ 80.070046][ T4705] do_new_mount+0x228/0x810 [ 80.070758][ T4705] path_mount+0x5b4/0xe78 [ 80.071418][ T4705] __arm64_sys_mount+0x49c/0x584 [ 80.072158][ T4705] invoke_syscall+0x98/0x2bc [ 80.072853][ T4705] el0_svc_common+0x138/0x258 [ 80.073550][ T4705] do_el0_svc+0x58/0x13c [ 80.074215][ T4705] el0_svc+0x58/0x138 [ 80.074817][ T4705] el0t_64_sync_handler+0x84/0xf0 [ 80.075518][ T4705] el0t_64_sync+0x18c/0x190 [ 80.076448][ T4705] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.078421][ T4705] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.202277][ T4707] loop1: detected capacity change from 0 to 32768 [ 80.204137][ T4707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.205295][ T4707] CPU: 1 PID: 4707 Comm: syz.1.127 Tainted: G W syzkaller #0 [ 80.206680][ T4707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.208170][ T4707] Call trace: [ 80.208696][ T4707] dump_backtrace+0x1c8/0x1f4 [ 80.209441][ T4707] show_stack+0x2c/0x3c [ 80.210070][ T4707] __dump_stack+0x30/0x40 [ 80.210749][ T4707] dump_stack_lvl+0xf8/0x160 [ 80.211445][ T4707] dump_stack+0x1c/0x5c [ 80.212096][ T4707] sysfs_create_dir_ns+0x22c/0x24c [ 80.212873][ T4707] kobject_add_internal+0x5a8/0xb30 [ 80.213707][ T4707] kobject_init_and_add+0x118/0x17c [ 80.214466][ T4707] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.215170][ T4707] gfs2_fill_super+0xdec/0x19ec [ 80.215959][ T4707] get_tree_bdev+0x358/0x544 [ 80.216708][ T4707] gfs2_get_tree+0x54/0x1b4 [ 80.217342][ T4707] vfs_get_tree+0x90/0x274 [ 80.218052][ T4707] do_new_mount+0x228/0x810 [ 80.218749][ T4707] path_mount+0x5b4/0xe78 [ 80.219423][ T4707] __arm64_sys_mount+0x49c/0x584 [ 80.220179][ T4707] invoke_syscall+0x98/0x2bc [ 80.220868][ T4707] el0_svc_common+0x138/0x258 [ 80.221557][ T4707] do_el0_svc+0x58/0x13c [ 80.222197][ T4707] el0_svc+0x58/0x138 [ 80.222811][ T4707] el0t_64_sync_handler+0x84/0xf0 [ 80.223548][ T4707] el0t_64_sync+0x18c/0x190 [ 80.225459][ T4707] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.227514][ T4707] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.348773][ T4709] loop1: detected capacity change from 0 to 32768 [ 80.350509][ T4709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.351716][ T4709] CPU: 1 PID: 4709 Comm: syz.1.128 Tainted: G W syzkaller #0 [ 80.353027][ T4709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.354628][ T4709] Call trace: [ 80.355181][ T4709] dump_backtrace+0x1c8/0x1f4 [ 80.355990][ T4709] show_stack+0x2c/0x3c [ 80.356673][ T4709] __dump_stack+0x30/0x40 [ 80.357365][ T4709] dump_stack_lvl+0xf8/0x160 [ 80.358090][ T4709] dump_stack+0x1c/0x5c [ 80.358767][ T4709] sysfs_create_dir_ns+0x22c/0x24c [ 80.359588][ T4709] kobject_add_internal+0x5a8/0xb30 [ 80.360402][ T4709] kobject_init_and_add+0x118/0x17c [ 80.361211][ T4709] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.361946][ T4709] gfs2_fill_super+0xdec/0x19ec [ 80.362699][ T4709] get_tree_bdev+0x358/0x544 [ 80.363429][ T4709] gfs2_get_tree+0x54/0x1b4 [ 80.364109][ T4709] vfs_get_tree+0x90/0x274 [ 80.364782][ T4709] do_new_mount+0x228/0x810 [ 80.365477][ T4709] path_mount+0x5b4/0xe78 [ 80.366161][ T4709] __arm64_sys_mount+0x49c/0x584 [ 80.366948][ T4709] invoke_syscall+0x98/0x2bc [ 80.367680][ T4709] el0_svc_common+0x138/0x258 [ 80.368411][ T4709] do_el0_svc+0x58/0x13c [ 80.369106][ T4709] el0_svc+0x58/0x138 [ 80.369721][ T4709] el0t_64_sync_handler+0x84/0xf0 [ 80.370508][ T4709] el0t_64_sync+0x18c/0x190 [ 80.372502][ T4709] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.374527][ T4709] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.499888][ T4711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.501034][ T4711] CPU: 0 PID: 4711 Comm: syz.1.129 Tainted: G W syzkaller #0 [ 80.502334][ T4711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.503909][ T4711] Call trace: [ 80.504396][ T4711] dump_backtrace+0x1c8/0x1f4 [ 80.505237][ T4711] show_stack+0x2c/0x3c [ 80.505872][ T4711] __dump_stack+0x30/0x40 [ 80.506533][ T4711] dump_stack_lvl+0xf8/0x160 [ 80.507252][ T4711] dump_stack+0x1c/0x5c [ 80.507910][ T4711] sysfs_create_dir_ns+0x22c/0x24c [ 80.508701][ T4711] kobject_add_internal+0x5a8/0xb30 [ 80.509501][ T4711] kobject_init_and_add+0x118/0x17c [ 80.510279][ T4711] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.510985][ T4711] gfs2_fill_super+0xdec/0x19ec [ 80.511773][ T4711] get_tree_bdev+0x358/0x544 [ 80.512432][ T4711] gfs2_get_tree+0x54/0x1b4 [ 80.513124][ T4711] vfs_get_tree+0x90/0x274 [ 80.513775][ T4711] do_new_mount+0x228/0x810 [ 80.514479][ T4711] path_mount+0x5b4/0xe78 [ 80.515108][ T4711] __arm64_sys_mount+0x49c/0x584 [ 80.515849][ T4711] invoke_syscall+0x98/0x2bc [ 80.516589][ T4711] el0_svc_common+0x138/0x258 [ 80.517297][ T4711] do_el0_svc+0x58/0x13c [ 80.517923][ T4711] el0_svc+0x58/0x138 [ 80.518500][ T4711] el0t_64_sync_handler+0x84/0xf0 [ 80.519312][ T4711] el0t_64_sync+0x18c/0x190 [ 80.520158][ T4711] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.522089][ T4711] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.643115][ T4713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.644607][ T4713] CPU: 1 PID: 4713 Comm: syz.1.130 Tainted: G W syzkaller #0 [ 80.645916][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.647467][ T4713] Call trace: [ 80.647976][ T4713] dump_backtrace+0x1c8/0x1f4 [ 80.648711][ T4713] show_stack+0x2c/0x3c [ 80.649315][ T4713] __dump_stack+0x30/0x40 [ 80.650018][ T4713] dump_stack_lvl+0xf8/0x160 [ 80.650741][ T4713] dump_stack+0x1c/0x5c [ 80.651406][ T4713] sysfs_create_dir_ns+0x22c/0x24c [ 80.652214][ T4713] kobject_add_internal+0x5a8/0xb30 [ 80.653023][ T4713] kobject_init_and_add+0x118/0x17c [ 80.653862][ T4713] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.654572][ T4713] gfs2_fill_super+0xdec/0x19ec [ 80.655384][ T4713] get_tree_bdev+0x358/0x544 [ 80.656088][ T4713] gfs2_get_tree+0x54/0x1b4 [ 80.656793][ T4713] vfs_get_tree+0x90/0x274 [ 80.657486][ T4713] do_new_mount+0x228/0x810 [ 80.658193][ T4713] path_mount+0x5b4/0xe78 [ 80.658901][ T4713] __arm64_sys_mount+0x49c/0x584 [ 80.659679][ T4713] invoke_syscall+0x98/0x2bc [ 80.660421][ T4713] el0_svc_common+0x138/0x258 [ 80.661091][ T4713] do_el0_svc+0x58/0x13c [ 80.661738][ T4713] el0_svc+0x58/0x138 [ 80.662372][ T4713] el0t_64_sync_handler+0x84/0xf0 [ 80.663124][ T4713] el0t_64_sync+0x18c/0x190 [ 80.665107][ T4713] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.667179][ T4713] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.800582][ T4715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.801935][ T4715] CPU: 0 PID: 4715 Comm: syz.1.131 Tainted: G W syzkaller #0 [ 80.803289][ T4715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.804860][ T4715] Call trace: [ 80.805402][ T4715] dump_backtrace+0x1c8/0x1f4 [ 80.806192][ T4715] show_stack+0x2c/0x3c [ 80.806853][ T4715] __dump_stack+0x30/0x40 [ 80.807547][ T4715] dump_stack_lvl+0xf8/0x160 [ 80.808242][ T4715] dump_stack+0x1c/0x5c [ 80.808856][ T4715] sysfs_create_dir_ns+0x22c/0x24c [ 80.809595][ T4715] kobject_add_internal+0x5a8/0xb30 [ 80.810376][ T4715] kobject_init_and_add+0x118/0x17c [ 80.811275][ T4715] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.811988][ T4715] gfs2_fill_super+0xdec/0x19ec [ 80.812708][ T4715] get_tree_bdev+0x358/0x544 [ 80.813417][ T4715] gfs2_get_tree+0x54/0x1b4 [ 80.814046][ T4715] vfs_get_tree+0x90/0x274 [ 80.814707][ T4715] do_new_mount+0x228/0x810 [ 80.815458][ T4715] path_mount+0x5b4/0xe78 [ 80.816118][ T4715] __arm64_sys_mount+0x49c/0x584 [ 80.816877][ T4715] invoke_syscall+0x98/0x2bc [ 80.817587][ T4715] el0_svc_common+0x138/0x258 [ 80.818350][ T4715] do_el0_svc+0x58/0x13c [ 80.818995][ T4715] el0_svc+0x58/0x138 [ 80.819617][ T4715] el0t_64_sync_handler+0x84/0xf0 [ 80.820404][ T4715] el0t_64_sync+0x18c/0x190 [ 80.824111][ T4715] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.826241][ T4715] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.958603][ T4717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.959813][ T4717] CPU: 1 PID: 4717 Comm: syz.1.132 Tainted: G W syzkaller #0 [ 80.961077][ T4717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.962554][ T4717] Call trace: [ 80.963064][ T4717] dump_backtrace+0x1c8/0x1f4 [ 80.963954][ T4717] show_stack+0x2c/0x3c [ 80.964574][ T4717] __dump_stack+0x30/0x40 [ 80.965260][ T4717] dump_stack_lvl+0xf8/0x160 [ 80.965968][ T4717] dump_stack+0x1c/0x5c [ 80.966677][ T4717] sysfs_create_dir_ns+0x22c/0x24c [ 80.967463][ T4717] kobject_add_internal+0x5a8/0xb30 [ 80.968242][ T4717] kobject_init_and_add+0x118/0x17c [ 80.969103][ T4717] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.969810][ T4717] gfs2_fill_super+0xdec/0x19ec [ 80.970517][ T4717] get_tree_bdev+0x358/0x544 [ 80.971190][ T4717] gfs2_get_tree+0x54/0x1b4 [ 80.971878][ T4717] vfs_get_tree+0x90/0x274 [ 80.972588][ T4717] do_new_mount+0x228/0x810 [ 80.973290][ T4717] path_mount+0x5b4/0xe78 [ 80.973974][ T4717] __arm64_sys_mount+0x49c/0x584 [ 80.974732][ T4717] invoke_syscall+0x98/0x2bc [ 80.975411][ T4717] el0_svc_common+0x138/0x258 [ 80.976154][ T4717] do_el0_svc+0x58/0x13c [ 80.976841][ T4717] el0_svc+0x58/0x138 [ 80.977464][ T4717] el0t_64_sync_handler+0x84/0xf0 [ 80.978293][ T4717] el0t_64_sync+0x18c/0x190 [ 80.983714][ T4717] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.985812][ T4717] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.110982][ T4719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.112050][ T4719] CPU: 1 PID: 4719 Comm: syz.1.133 Tainted: G W syzkaller #0 [ 81.113316][ T4719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.114986][ T4719] Call trace: [ 81.115505][ T4719] dump_backtrace+0x1c8/0x1f4 [ 81.116295][ T4719] show_stack+0x2c/0x3c [ 81.116994][ T4719] __dump_stack+0x30/0x40 [ 81.117679][ T4719] dump_stack_lvl+0xf8/0x160 [ 81.118421][ T4719] dump_stack+0x1c/0x5c [ 81.119104][ T4719] sysfs_create_dir_ns+0x22c/0x24c [ 81.119868][ T4719] kobject_add_internal+0x5a8/0xb30 [ 81.120667][ T4719] kobject_init_and_add+0x118/0x17c [ 81.121476][ T4719] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.122241][ T4719] gfs2_fill_super+0xdec/0x19ec [ 81.123044][ T4719] get_tree_bdev+0x358/0x544 [ 81.123769][ T4719] gfs2_get_tree+0x54/0x1b4 [ 81.124485][ T4719] vfs_get_tree+0x90/0x274 [ 81.125179][ T4719] do_new_mount+0x228/0x810 [ 81.125838][ T4719] path_mount+0x5b4/0xe78 [ 81.126535][ T4719] __arm64_sys_mount+0x49c/0x584 [ 81.127384][ T4719] invoke_syscall+0x98/0x2bc [ 81.128085][ T4719] el0_svc_common+0x138/0x258 [ 81.128766][ T4719] do_el0_svc+0x58/0x13c [ 81.129415][ T4719] el0_svc+0x58/0x138 [ 81.129998][ T4719] el0t_64_sync_handler+0x84/0xf0 [ 81.130797][ T4719] el0t_64_sync+0x18c/0x190 [ 81.133289][ T4719] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.135287][ T4719] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.266739][ T4721] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.268143][ T4721] CPU: 1 PID: 4721 Comm: syz.1.134 Tainted: G W syzkaller #0 [ 81.269555][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.271103][ T4721] Call trace: [ 81.271633][ T4721] dump_backtrace+0x1c8/0x1f4 [ 81.272404][ T4721] show_stack+0x2c/0x3c [ 81.273064][ T4721] __dump_stack+0x30/0x40 [ 81.273787][ T4721] dump_stack_lvl+0xf8/0x160 [ 81.274499][ T4721] dump_stack+0x1c/0x5c [ 81.275136][ T4721] sysfs_create_dir_ns+0x22c/0x24c [ 81.275941][ T4721] kobject_add_internal+0x5a8/0xb30 [ 81.276739][ T4721] kobject_init_and_add+0x118/0x17c [ 81.277557][ T4721] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.278321][ T4721] gfs2_fill_super+0xdec/0x19ec [ 81.279070][ T4721] get_tree_bdev+0x358/0x544 [ 81.279793][ T4721] gfs2_get_tree+0x54/0x1b4 [ 81.280484][ T4721] vfs_get_tree+0x90/0x274 [ 81.281123][ T4721] do_new_mount+0x228/0x810 [ 81.281794][ T4721] path_mount+0x5b4/0xe78 [ 81.282419][ T4721] __arm64_sys_mount+0x49c/0x584 [ 81.283177][ T4721] invoke_syscall+0x98/0x2bc [ 81.283858][ T4721] el0_svc_common+0x138/0x258 [ 81.284535][ T4721] do_el0_svc+0x58/0x13c [ 81.285203][ T4721] el0_svc+0x58/0x138 [ 81.285887][ T4721] el0t_64_sync_handler+0x84/0xf0 [ 81.286638][ T4721] el0t_64_sync+0x18c/0x190 [ 81.288634][ T4721] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.290690][ T4721] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.412089][ T4723] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.413772][ T4723] CPU: 0 PID: 4723 Comm: syz.1.135 Tainted: G W syzkaller #0 [ 81.415156][ T4723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.416665][ T4723] Call trace: [ 81.417180][ T4723] dump_backtrace+0x1c8/0x1f4 [ 81.417923][ T4723] show_stack+0x2c/0x3c [ 81.418628][ T4723] __dump_stack+0x30/0x40 [ 81.419275][ T4723] dump_stack_lvl+0xf8/0x160 [ 81.420043][ T4723] dump_stack+0x1c/0x5c [ 81.420641][ T4723] sysfs_create_dir_ns+0x22c/0x24c [ 81.421450][ T4723] kobject_add_internal+0x5a8/0xb30 [ 81.422235][ T4723] kobject_init_and_add+0x118/0x17c [ 81.423005][ T4723] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.423734][ T4723] gfs2_fill_super+0xdec/0x19ec [ 81.424470][ T4723] get_tree_bdev+0x358/0x544 [ 81.425130][ T4723] gfs2_get_tree+0x54/0x1b4 [ 81.425831][ T4723] vfs_get_tree+0x90/0x274 [ 81.426578][ T4723] do_new_mount+0x228/0x810 [ 81.427204][ T4723] path_mount+0x5b4/0xe78 [ 81.427923][ T4723] __arm64_sys_mount+0x49c/0x584 [ 81.428642][ T4723] invoke_syscall+0x98/0x2bc [ 81.429357][ T4723] el0_svc_common+0x138/0x258 [ 81.430093][ T4723] do_el0_svc+0x58/0x13c [ 81.430731][ T4723] el0_svc+0x58/0x138 [ 81.431327][ T4723] el0t_64_sync_handler+0x84/0xf0 [ 81.432061][ T4723] el0t_64_sync+0x18c/0x190 [ 81.434229][ T4723] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.436307][ T4723] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.561468][ T4725] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.562771][ T4725] CPU: 1 PID: 4725 Comm: syz.1.136 Tainted: G W syzkaller #0 [ 81.564255][ T4725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.565880][ T4725] Call trace: [ 81.566412][ T4725] dump_backtrace+0x1c8/0x1f4 [ 81.567208][ T4725] show_stack+0x2c/0x3c [ 81.567865][ T4725] __dump_stack+0x30/0x40 [ 81.568551][ T4725] dump_stack_lvl+0xf8/0x160 [ 81.569289][ T4725] dump_stack+0x1c/0x5c [ 81.569930][ T4725] sysfs_create_dir_ns+0x22c/0x24c [ 81.570728][ T4725] kobject_add_internal+0x5a8/0xb30 [ 81.571594][ T4725] kobject_init_and_add+0x118/0x17c [ 81.572414][ T4725] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.573156][ T4725] gfs2_fill_super+0xdec/0x19ec [ 81.573862][ T4725] get_tree_bdev+0x358/0x544 [ 81.574594][ T4725] gfs2_get_tree+0x54/0x1b4 [ 81.575289][ T4725] vfs_get_tree+0x90/0x274 [ 81.576020][ T4725] do_new_mount+0x228/0x810 [ 81.576726][ T4725] path_mount+0x5b4/0xe78 [ 81.577422][ T4725] __arm64_sys_mount+0x49c/0x584 [ 81.578220][ T4725] invoke_syscall+0x98/0x2bc [ 81.578920][ T4725] el0_svc_common+0x138/0x258 [ 81.579649][ T4725] do_el0_svc+0x58/0x13c [ 81.580299][ T4725] el0_svc+0x58/0x138 [ 81.580960][ T4725] el0t_64_sync_handler+0x84/0xf0 [ 81.581714][ T4725] el0t_64_sync+0x18c/0x190 [ 81.583762][ T4725] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.585658][ T4725] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.722577][ T4727] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.724019][ T4727] CPU: 0 PID: 4727 Comm: syz.1.137 Tainted: G W syzkaller #0 [ 81.725422][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.727036][ T4727] Call trace: [ 81.727553][ T4727] dump_backtrace+0x1c8/0x1f4 [ 81.728300][ T4727] show_stack+0x2c/0x3c [ 81.729040][ T4727] __dump_stack+0x30/0x40 [ 81.729709][ T4727] dump_stack_lvl+0xf8/0x160 [ 81.730396][ T4727] dump_stack+0x1c/0x5c [ 81.730997][ T4727] sysfs_create_dir_ns+0x22c/0x24c [ 81.731775][ T4727] kobject_add_internal+0x5a8/0xb30 [ 81.732544][ T4727] kobject_init_and_add+0x118/0x17c [ 81.733357][ T4727] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.734018][ T4727] gfs2_fill_super+0xdec/0x19ec [ 81.734748][ T4727] get_tree_bdev+0x358/0x544 [ 81.735468][ T4727] gfs2_get_tree+0x54/0x1b4 [ 81.736193][ T4727] vfs_get_tree+0x90/0x274 [ 81.736906][ T4727] do_new_mount+0x228/0x810 [ 81.737611][ T4727] path_mount+0x5b4/0xe78 [ 81.738270][ T4727] __arm64_sys_mount+0x49c/0x584 [ 81.739051][ T4727] invoke_syscall+0x98/0x2bc [ 81.739750][ T4727] el0_svc_common+0x138/0x258 [ 81.740433][ T4727] do_el0_svc+0x58/0x13c [ 81.741149][ T4727] el0_svc+0x58/0x138 [ 81.741778][ T4727] el0t_64_sync_handler+0x84/0xf0 [ 81.742567][ T4727] el0t_64_sync+0x18c/0x190 [ 81.745188][ T4727] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.747252][ T4727] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.869446][ T4729] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.870760][ T4729] CPU: 0 PID: 4729 Comm: syz.1.138 Tainted: G W syzkaller #0 [ 81.872149][ T4729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.873780][ T4729] Call trace: [ 81.874324][ T4729] dump_backtrace+0x1c8/0x1f4 [ 81.875049][ T4729] show_stack+0x2c/0x3c [ 81.875698][ T4729] __dump_stack+0x30/0x40 [ 81.876393][ T4729] dump_stack_lvl+0xf8/0x160 [ 81.877128][ T4729] dump_stack+0x1c/0x5c [ 81.877813][ T4729] sysfs_create_dir_ns+0x22c/0x24c [ 81.878612][ T4729] kobject_add_internal+0x5a8/0xb30 [ 81.879437][ T4729] kobject_init_and_add+0x118/0x17c [ 81.880286][ T4729] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.881017][ T4729] gfs2_fill_super+0xdec/0x19ec [ 81.881819][ T4729] get_tree_bdev+0x358/0x544 [ 81.882519][ T4729] gfs2_get_tree+0x54/0x1b4 [ 81.883230][ T4729] vfs_get_tree+0x90/0x274 [ 81.883969][ T4729] do_new_mount+0x228/0x810 [ 81.884662][ T4729] path_mount+0x5b4/0xe78 [ 81.885325][ T4729] __arm64_sys_mount+0x49c/0x584 [ 81.886108][ T4729] invoke_syscall+0x98/0x2bc [ 81.886763][ T4729] el0_svc_common+0x138/0x258 [ 81.887481][ T4729] do_el0_svc+0x58/0x13c [ 81.888110][ T4729] el0_svc+0x58/0x138 [ 81.888706][ T4729] el0t_64_sync_handler+0x84/0xf0 [ 81.889420][ T4729] el0t_64_sync+0x18c/0x190 [ 81.890254][ T4729] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.892223][ T4729] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.017232][ T4731] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.018452][ T4731] CPU: 1 PID: 4731 Comm: syz.1.139 Tainted: G W syzkaller #0 [ 82.019800][ T4731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.021329][ T4731] Call trace: [ 82.021816][ T4731] dump_backtrace+0x1c8/0x1f4 [ 82.022495][ T4731] show_stack+0x2c/0x3c [ 82.023145][ T4731] __dump_stack+0x30/0x40 [ 82.023838][ T4731] dump_stack_lvl+0xf8/0x160 [ 82.024576][ T4731] dump_stack+0x1c/0x5c [ 82.025238][ T4731] sysfs_create_dir_ns+0x22c/0x24c [ 82.026070][ T4731] kobject_add_internal+0x5a8/0xb30 [ 82.026916][ T4731] kobject_init_and_add+0x118/0x17c [ 82.027733][ T4731] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.028460][ T4731] gfs2_fill_super+0xdec/0x19ec [ 82.029228][ T4731] get_tree_bdev+0x358/0x544 [ 82.029892][ T4731] gfs2_get_tree+0x54/0x1b4 [ 82.030556][ T4731] vfs_get_tree+0x90/0x274 [ 82.031207][ T4731] do_new_mount+0x228/0x810 [ 82.031859][ T4731] path_mount+0x5b4/0xe78 [ 82.032482][ T4731] __arm64_sys_mount+0x49c/0x584 [ 82.033248][ T4731] invoke_syscall+0x98/0x2bc [ 82.033907][ T4731] el0_svc_common+0x138/0x258 [ 82.034595][ T4731] do_el0_svc+0x58/0x13c [ 82.035206][ T4731] el0_svc+0x58/0x138 [ 82.035812][ T4731] el0t_64_sync_handler+0x84/0xf0 [ 82.036579][ T4731] el0t_64_sync+0x18c/0x190 [ 82.038725][ T4731] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.040687][ T4731] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.160137][ T4733] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.161355][ T4733] CPU: 0 PID: 4733 Comm: syz.1.140 Tainted: G W syzkaller #0 [ 82.162748][ T4733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.164411][ T4733] Call trace: [ 82.164925][ T4733] dump_backtrace+0x1c8/0x1f4 [ 82.165709][ T4733] show_stack+0x2c/0x3c [ 82.166347][ T4733] __dump_stack+0x30/0x40 [ 82.166990][ T4733] dump_stack_lvl+0xf8/0x160 [ 82.167741][ T4733] dump_stack+0x1c/0x5c [ 82.168377][ T4733] sysfs_create_dir_ns+0x22c/0x24c [ 82.169148][ T4733] kobject_add_internal+0x5a8/0xb30 [ 82.169962][ T4733] kobject_init_and_add+0x118/0x17c [ 82.170773][ T4733] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.171565][ T4733] gfs2_fill_super+0xdec/0x19ec [ 82.172313][ T4733] get_tree_bdev+0x358/0x544 [ 82.172999][ T4733] gfs2_get_tree+0x54/0x1b4 [ 82.173654][ T4733] vfs_get_tree+0x90/0x274 [ 82.174298][ T4733] do_new_mount+0x228/0x810 [ 82.175048][ T4733] path_mount+0x5b4/0xe78 [ 82.175688][ T4733] __arm64_sys_mount+0x49c/0x584 [ 82.176481][ T4733] invoke_syscall+0x98/0x2bc [ 82.177212][ T4733] el0_svc_common+0x138/0x258 [ 82.177925][ T4733] do_el0_svc+0x58/0x13c [ 82.178561][ T4733] el0_svc+0x58/0x138 [ 82.179156][ T4733] el0t_64_sync_handler+0x84/0xf0 [ 82.179946][ T4733] el0t_64_sync+0x18c/0x190 [ 82.180823][ T4733] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.182860][ T4733] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.306211][ T4735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.308297][ T4735] CPU: 1 PID: 4735 Comm: syz.1.141 Tainted: G W syzkaller #0 [ 82.309644][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.311155][ T4735] Call trace: [ 82.311664][ T4735] dump_backtrace+0x1c8/0x1f4 [ 82.312392][ T4735] show_stack+0x2c/0x3c [ 82.313006][ T4735] __dump_stack+0x30/0x40 [ 82.313709][ T4735] dump_stack_lvl+0xf8/0x160 [ 82.314512][ T4735] dump_stack+0x1c/0x5c [ 82.315129][ T4735] sysfs_create_dir_ns+0x22c/0x24c [ 82.315937][ T4735] kobject_add_internal+0x5a8/0xb30 [ 82.316744][ T4735] kobject_init_and_add+0x118/0x17c [ 82.317553][ T4735] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.318333][ T4735] gfs2_fill_super+0xdec/0x19ec [ 82.319167][ T4735] get_tree_bdev+0x358/0x544 [ 82.319887][ T4735] gfs2_get_tree+0x54/0x1b4 [ 82.320613][ T4735] vfs_get_tree+0x90/0x274 [ 82.321318][ T4735] do_new_mount+0x228/0x810 [ 82.322053][ T4735] path_mount+0x5b4/0xe78 [ 82.322764][ T4735] __arm64_sys_mount+0x49c/0x584 [ 82.323497][ T4735] invoke_syscall+0x98/0x2bc [ 82.324207][ T4735] el0_svc_common+0x138/0x258 [ 82.324945][ T4735] do_el0_svc+0x58/0x13c [ 82.325610][ T4735] el0_svc+0x58/0x138 [ 82.326259][ T4735] el0t_64_sync_handler+0x84/0xf0 [ 82.327068][ T4735] el0t_64_sync+0x18c/0x190 [ 82.328345][ T4735] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.330917][ T4735] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.461187][ T4737] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.462386][ T4737] CPU: 0 PID: 4737 Comm: syz.1.142 Tainted: G W syzkaller #0 [ 82.463799][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.465290][ T4737] Call trace: [ 82.465801][ T4737] dump_backtrace+0x1c8/0x1f4 [ 82.466511][ T4737] show_stack+0x2c/0x3c [ 82.467180][ T4737] __dump_stack+0x30/0x40 [ 82.467803][ T4737] dump_stack_lvl+0xf8/0x160 [ 82.468509][ T4737] dump_stack+0x1c/0x5c [ 82.469125][ T4737] sysfs_create_dir_ns+0x22c/0x24c [ 82.469889][ T4737] kobject_add_internal+0x5a8/0xb30 [ 82.470655][ T4737] kobject_init_and_add+0x118/0x17c [ 82.471405][ T4737] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.472160][ T4737] gfs2_fill_super+0xdec/0x19ec [ 82.472892][ T4737] get_tree_bdev+0x358/0x544 [ 82.473619][ T4737] gfs2_get_tree+0x54/0x1b4 [ 82.474317][ T4737] vfs_get_tree+0x90/0x274 [ 82.474972][ T4737] do_new_mount+0x228/0x810 [ 82.475646][ T4737] path_mount+0x5b4/0xe78 [ 82.476275][ T4737] __arm64_sys_mount+0x49c/0x584 [ 82.477032][ T4737] invoke_syscall+0x98/0x2bc [ 82.477744][ T4737] el0_svc_common+0x138/0x258 [ 82.478484][ T4737] do_el0_svc+0x58/0x13c [ 82.479106][ T4737] el0_svc+0x58/0x138 [ 82.479703][ T4737] el0t_64_sync_handler+0x84/0xf0 [ 82.480454][ T4737] el0t_64_sync+0x18c/0x190 [ 82.482558][ T4737] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.486331][ T4737] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.606538][ T4739] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.607763][ T4739] CPU: 1 PID: 4739 Comm: syz.1.143 Tainted: G W syzkaller #0 [ 82.609204][ T4739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.610754][ T4739] Call trace: [ 82.611239][ T4739] dump_backtrace+0x1c8/0x1f4 [ 82.611944][ T4739] show_stack+0x2c/0x3c [ 82.612522][ T4739] __dump_stack+0x30/0x40 [ 82.613166][ T4739] dump_stack_lvl+0xf8/0x160 [ 82.613833][ T4739] dump_stack+0x1c/0x5c [ 82.614477][ T4739] sysfs_create_dir_ns+0x22c/0x24c [ 82.615229][ T4739] kobject_add_internal+0x5a8/0xb30 [ 82.615993][ T4739] kobject_init_and_add+0x118/0x17c [ 82.616804][ T4739] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.617569][ T4739] gfs2_fill_super+0xdec/0x19ec [ 82.618283][ T4739] get_tree_bdev+0x358/0x544 [ 82.618972][ T4739] gfs2_get_tree+0x54/0x1b4 [ 82.619655][ T4739] vfs_get_tree+0x90/0x274 [ 82.620297][ T4739] do_new_mount+0x228/0x810 [ 82.621023][ T4739] path_mount+0x5b4/0xe78 [ 82.621662][ T4739] __arm64_sys_mount+0x49c/0x584 [ 82.622373][ T4739] invoke_syscall+0x98/0x2bc [ 82.623065][ T4739] el0_svc_common+0x138/0x258 [ 82.623791][ T4739] do_el0_svc+0x58/0x13c [ 82.624467][ T4739] el0_svc+0x58/0x138 [ 82.625067][ T4739] el0t_64_sync_handler+0x84/0xf0 [ 82.625831][ T4739] el0t_64_sync+0x18c/0x190 [ 82.626668][ T4739] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.628652][ T4739] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.748855][ T4741] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.750033][ T4741] CPU: 0 PID: 4741 Comm: syz.1.144 Tainted: G W syzkaller #0 [ 82.751221][ T4741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.752753][ T4741] Call trace: [ 82.753238][ T4741] dump_backtrace+0x1c8/0x1f4 [ 82.753988][ T4741] show_stack+0x2c/0x3c [ 82.754665][ T4741] __dump_stack+0x30/0x40 [ 82.755350][ T4741] dump_stack_lvl+0xf8/0x160 [ 82.756021][ T4741] dump_stack+0x1c/0x5c [ 82.756613][ T4741] sysfs_create_dir_ns+0x22c/0x24c [ 82.757456][ T4741] kobject_add_internal+0x5a8/0xb30 [ 82.758209][ T4741] kobject_init_and_add+0x118/0x17c [ 82.759005][ T4741] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.759701][ T4741] gfs2_fill_super+0xdec/0x19ec [ 82.760462][ T4741] get_tree_bdev+0x358/0x544 [ 82.761220][ T4741] gfs2_get_tree+0x54/0x1b4 [ 82.761942][ T4741] vfs_get_tree+0x90/0x274 [ 82.762652][ T4741] do_new_mount+0x228/0x810 [ 82.763328][ T4741] path_mount+0x5b4/0xe78 [ 82.764040][ T4741] __arm64_sys_mount+0x49c/0x584 [ 82.764747][ T4741] invoke_syscall+0x98/0x2bc [ 82.765464][ T4741] el0_svc_common+0x138/0x258 [ 82.766155][ T4741] do_el0_svc+0x58/0x13c [ 82.766787][ T4741] el0_svc+0x58/0x138 [ 82.767409][ T4741] el0t_64_sync_handler+0x84/0xf0 [ 82.768166][ T4741] el0t_64_sync+0x18c/0x190 [ 82.769091][ T4741] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.771242][ T4741] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.894191][ T4743] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.895404][ T4743] CPU: 1 PID: 4743 Comm: syz.1.145 Tainted: G W syzkaller #0 [ 82.896649][ T4743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.898213][ T4743] Call trace: [ 82.898741][ T4743] dump_backtrace+0x1c8/0x1f4 [ 82.899430][ T4743] show_stack+0x2c/0x3c [ 82.900090][ T4743] __dump_stack+0x30/0x40 [ 82.900766][ T4743] dump_stack_lvl+0xf8/0x160 [ 82.901477][ T4743] dump_stack+0x1c/0x5c [ 82.902096][ T4743] sysfs_create_dir_ns+0x22c/0x24c [ 82.902849][ T4743] kobject_add_internal+0x5a8/0xb30 [ 82.903693][ T4743] kobject_init_and_add+0x118/0x17c [ 82.904545][ T4743] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.905294][ T4743] gfs2_fill_super+0xdec/0x19ec [ 82.906027][ T4743] get_tree_bdev+0x358/0x544 [ 82.906776][ T4743] gfs2_get_tree+0x54/0x1b4 [ 82.907454][ T4743] vfs_get_tree+0x90/0x274 [ 82.908131][ T4743] do_new_mount+0x228/0x810 [ 82.908848][ T4743] path_mount+0x5b4/0xe78 [ 82.909524][ T4743] __arm64_sys_mount+0x49c/0x584 [ 82.910211][ T4743] invoke_syscall+0x98/0x2bc [ 82.910874][ T4743] el0_svc_common+0x138/0x258 [ 82.911573][ T4743] do_el0_svc+0x58/0x13c [ 82.912170][ T4743] el0_svc+0x58/0x138 [ 82.912751][ T4743] el0t_64_sync_handler+0x84/0xf0 [ 82.913466][ T4743] el0t_64_sync+0x18c/0x190 [ 82.915496][ T4743] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.917387][ T4743] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.042152][ T4745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.043463][ T4745] CPU: 0 PID: 4745 Comm: syz.1.146 Tainted: G W syzkaller #0 [ 83.044809][ T4745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.046320][ T4745] Call trace: [ 83.046914][ T4745] dump_backtrace+0x1c8/0x1f4 [ 83.047650][ T4745] show_stack+0x2c/0x3c [ 83.048316][ T4745] __dump_stack+0x30/0x40 [ 83.049026][ T4745] dump_stack_lvl+0xf8/0x160 [ 83.049827][ T4745] dump_stack+0x1c/0x5c [ 83.050492][ T4745] sysfs_create_dir_ns+0x22c/0x24c [ 83.051267][ T4745] kobject_add_internal+0x5a8/0xb30 [ 83.052084][ T4745] kobject_init_and_add+0x118/0x17c [ 83.052947][ T4745] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.053725][ T4745] gfs2_fill_super+0xdec/0x19ec [ 83.054461][ T4745] get_tree_bdev+0x358/0x544 [ 83.055235][ T4745] gfs2_get_tree+0x54/0x1b4 [ 83.055934][ T4745] vfs_get_tree+0x90/0x274 [ 83.056639][ T4745] do_new_mount+0x228/0x810 [ 83.057328][ T4745] path_mount+0x5b4/0xe78 [ 83.058005][ T4745] __arm64_sys_mount+0x49c/0x584 [ 83.058711][ T4745] invoke_syscall+0x98/0x2bc [ 83.059421][ T4745] el0_svc_common+0x138/0x258 [ 83.060134][ T4745] do_el0_svc+0x58/0x13c [ 83.060789][ T4745] el0_svc+0x58/0x138 [ 83.061387][ T4745] el0t_64_sync_handler+0x84/0xf0 [ 83.062131][ T4745] el0t_64_sync+0x18c/0x190 [ 83.063850][ T4745] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.065827][ T4745] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.191498][ T4747] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.192659][ T4747] CPU: 1 PID: 4747 Comm: syz.1.147 Tainted: G W syzkaller #0 [ 83.194055][ T4747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.195596][ T4747] Call trace: [ 83.196085][ T4747] dump_backtrace+0x1c8/0x1f4 [ 83.196791][ T4747] show_stack+0x2c/0x3c [ 83.197436][ T4747] __dump_stack+0x30/0x40 [ 83.198144][ T4747] dump_stack_lvl+0xf8/0x160 [ 83.198844][ T4747] dump_stack+0x1c/0x5c [ 83.199465][ T4747] sysfs_create_dir_ns+0x22c/0x24c [ 83.200252][ T4747] kobject_add_internal+0x5a8/0xb30 [ 83.201044][ T4747] kobject_init_and_add+0x118/0x17c [ 83.201770][ T4747] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.202513][ T4747] gfs2_fill_super+0xdec/0x19ec [ 83.203261][ T4747] get_tree_bdev+0x358/0x544 [ 83.203952][ T4747] gfs2_get_tree+0x54/0x1b4 [ 83.204628][ T4747] vfs_get_tree+0x90/0x274 [ 83.205308][ T4747] do_new_mount+0x228/0x810 [ 83.205985][ T4747] path_mount+0x5b4/0xe78 [ 83.206652][ T4747] __arm64_sys_mount+0x49c/0x584 [ 83.207352][ T4747] invoke_syscall+0x98/0x2bc [ 83.208001][ T4747] el0_svc_common+0x138/0x258 [ 83.208721][ T4747] do_el0_svc+0x58/0x13c [ 83.209409][ T4747] el0_svc+0x58/0x138 [ 83.210014][ T4747] el0t_64_sync_handler+0x84/0xf0 [ 83.210749][ T4747] el0t_64_sync+0x18c/0x190 [ 83.212835][ T4747] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.214882][ T4747] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.339889][ T4749] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.341081][ T4749] CPU: 0 PID: 4749 Comm: syz.1.148 Tainted: G W syzkaller #0 [ 83.342381][ T4749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.343929][ T4749] Call trace: [ 83.344403][ T4749] dump_backtrace+0x1c8/0x1f4 [ 83.345124][ T4749] show_stack+0x2c/0x3c [ 83.345756][ T4749] __dump_stack+0x30/0x40 [ 83.346512][ T4749] dump_stack_lvl+0xf8/0x160 [ 83.347212][ T4749] dump_stack+0x1c/0x5c [ 83.347819][ T4749] sysfs_create_dir_ns+0x22c/0x24c [ 83.348575][ T4749] kobject_add_internal+0x5a8/0xb30 [ 83.349377][ T4749] kobject_init_and_add+0x118/0x17c [ 83.350135][ T4749] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.350902][ T4749] gfs2_fill_super+0xdec/0x19ec [ 83.351658][ T4749] get_tree_bdev+0x358/0x544 [ 83.352372][ T4749] gfs2_get_tree+0x54/0x1b4 [ 83.353045][ T4749] vfs_get_tree+0x90/0x274 [ 83.353690][ T4749] do_new_mount+0x228/0x810 [ 83.354381][ T4749] path_mount+0x5b4/0xe78 [ 83.355056][ T4749] __arm64_sys_mount+0x49c/0x584 [ 83.355800][ T4749] invoke_syscall+0x98/0x2bc [ 83.356510][ T4749] el0_svc_common+0x138/0x258 [ 83.357181][ T4749] do_el0_svc+0x58/0x13c [ 83.357804][ T4749] el0_svc+0x58/0x138 [ 83.358420][ T4749] el0t_64_sync_handler+0x84/0xf0 [ 83.359124][ T4749] el0t_64_sync+0x18c/0x190 [ 83.360051][ T4749] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.361966][ T4749] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.491470][ T4751] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.492721][ T4751] CPU: 1 PID: 4751 Comm: syz.1.149 Tainted: G W syzkaller #0 [ 83.494007][ T4751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.495609][ T4751] Call trace: [ 83.496117][ T4751] dump_backtrace+0x1c8/0x1f4 [ 83.496822][ T4751] show_stack+0x2c/0x3c [ 83.497525][ T4751] __dump_stack+0x30/0x40 [ 83.498210][ T4751] dump_stack_lvl+0xf8/0x160 [ 83.498968][ T4751] dump_stack+0x1c/0x5c [ 83.499578][ T4751] sysfs_create_dir_ns+0x22c/0x24c [ 83.500375][ T4751] kobject_add_internal+0x5a8/0xb30 [ 83.501178][ T4751] kobject_init_and_add+0x118/0x17c [ 83.501994][ T4751] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.502713][ T4751] gfs2_fill_super+0xdec/0x19ec [ 83.503524][ T4751] get_tree_bdev+0x358/0x544 [ 83.504243][ T4751] gfs2_get_tree+0x54/0x1b4 [ 83.504936][ T4751] vfs_get_tree+0x90/0x274 [ 83.505613][ T4751] do_new_mount+0x228/0x810 [ 83.506316][ T4751] path_mount+0x5b4/0xe78 [ 83.507056][ T4751] __arm64_sys_mount+0x49c/0x584 [ 83.507753][ T4751] invoke_syscall+0x98/0x2bc [ 83.508517][ T4751] el0_svc_common+0x138/0x258 [ 83.509348][ T4751] do_el0_svc+0x58/0x13c [ 83.510013][ T4751] el0_svc+0x58/0x138 [ 83.510622][ T4751] el0t_64_sync_handler+0x84/0xf0 [ 83.511433][ T4751] el0t_64_sync+0x18c/0x190 [ 83.513413][ T4751] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.516183][ T4751] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.646486][ T4753] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.647851][ T4753] CPU: 1 PID: 4753 Comm: syz.1.150 Tainted: G W syzkaller #0 [ 83.649169][ T4753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.650738][ T4753] Call trace: [ 83.651270][ T4753] dump_backtrace+0x1c8/0x1f4 [ 83.652018][ T4753] show_stack+0x2c/0x3c [ 83.652668][ T4753] __dump_stack+0x30/0x40 [ 83.653372][ T4753] dump_stack_lvl+0xf8/0x160 [ 83.654118][ T4753] dump_stack+0x1c/0x5c [ 83.654773][ T4753] sysfs_create_dir_ns+0x22c/0x24c [ 83.655559][ T4753] kobject_add_internal+0x5a8/0xb30 [ 83.656370][ T4753] kobject_init_and_add+0x118/0x17c [ 83.657205][ T4753] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.657932][ T4753] gfs2_fill_super+0xdec/0x19ec [ 83.658732][ T4753] get_tree_bdev+0x358/0x544 [ 83.659454][ T4753] gfs2_get_tree+0x54/0x1b4 [ 83.660117][ T4753] vfs_get_tree+0x90/0x274 [ 83.660792][ T4753] do_new_mount+0x228/0x810 [ 83.661426][ T4753] path_mount+0x5b4/0xe78 [ 83.662087][ T4753] __arm64_sys_mount+0x49c/0x584 [ 83.662803][ T4753] invoke_syscall+0x98/0x2bc [ 83.663454][ T4753] el0_svc_common+0x138/0x258 [ 83.664104][ T4753] do_el0_svc+0x58/0x13c [ 83.664773][ T4753] el0_svc+0x58/0x138 [ 83.665384][ T4753] el0t_64_sync_handler+0x84/0xf0 [ 83.666097][ T4753] el0t_64_sync+0x18c/0x190 [ 83.666960][ T4753] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.670704][ T4753] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.795026][ T4755] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.796656][ T4755] CPU: 0 PID: 4755 Comm: syz.1.151 Tainted: G W syzkaller #0 [ 83.797997][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.799568][ T4755] Call trace: [ 83.800098][ T4755] dump_backtrace+0x1c8/0x1f4 [ 83.800786][ T4755] show_stack+0x2c/0x3c [ 83.801404][ T4755] __dump_stack+0x30/0x40 [ 83.802056][ T4755] dump_stack_lvl+0xf8/0x160 [ 83.802803][ T4755] dump_stack+0x1c/0x5c [ 83.803458][ T4755] sysfs_create_dir_ns+0x22c/0x24c [ 83.804229][ T4755] kobject_add_internal+0x5a8/0xb30 [ 83.805035][ T4755] kobject_init_and_add+0x118/0x17c [ 83.805823][ T4755] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.806508][ T4755] gfs2_fill_super+0xdec/0x19ec [ 83.807289][ T4755] get_tree_bdev+0x358/0x544 [ 83.808037][ T4755] gfs2_get_tree+0x54/0x1b4 [ 83.808782][ T4755] vfs_get_tree+0x90/0x274 [ 83.809544][ T4755] do_new_mount+0x228/0x810 [ 83.810220][ T4755] path_mount+0x5b4/0xe78 [ 83.810934][ T4755] __arm64_sys_mount+0x49c/0x584 [ 83.811708][ T4755] invoke_syscall+0x98/0x2bc [ 83.812400][ T4755] el0_svc_common+0x138/0x258 [ 83.813124][ T4755] do_el0_svc+0x58/0x13c [ 83.813746][ T4755] el0_svc+0x58/0x138 [ 83.814314][ T4755] el0t_64_sync_handler+0x84/0xf0 [ 83.815109][ T4755] el0t_64_sync+0x18c/0x190 [ 83.817043][ T4755] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.819168][ T4755] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:23 executed programs: 137 [ 83.944992][ T4757] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.946209][ T4757] CPU: 1 PID: 4757 Comm: syz.1.152 Tainted: G W syzkaller #0 [ 83.947671][ T4757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.949173][ T4757] Call trace: [ 83.949659][ T4757] dump_backtrace+0x1c8/0x1f4 [ 83.950366][ T4757] show_stack+0x2c/0x3c [ 83.951007][ T4757] __dump_stack+0x30/0x40 [ 83.951671][ T4757] dump_stack_lvl+0xf8/0x160 [ 83.952401][ T4757] dump_stack+0x1c/0x5c [ 83.953103][ T4757] sysfs_create_dir_ns+0x22c/0x24c [ 83.953851][ T4757] kobject_add_internal+0x5a8/0xb30 [ 83.954681][ T4757] kobject_init_and_add+0x118/0x17c [ 83.955473][ T4757] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.956312][ T4757] gfs2_fill_super+0xdec/0x19ec [ 83.957110][ T4757] get_tree_bdev+0x358/0x544 [ 83.957962][ T4757] gfs2_get_tree+0x54/0x1b4 [ 83.958715][ T4757] vfs_get_tree+0x90/0x274 [ 83.959431][ T4757] do_new_mount+0x228/0x810 [ 83.960159][ T4757] path_mount+0x5b4/0xe78 [ 83.960844][ T4757] __arm64_sys_mount+0x49c/0x584 [ 83.961615][ T4757] invoke_syscall+0x98/0x2bc [ 83.962319][ T4757] el0_svc_common+0x138/0x258 [ 83.963066][ T4757] do_el0_svc+0x58/0x13c [ 83.963740][ T4757] el0_svc+0x58/0x138 [ 83.964359][ T4757] el0t_64_sync_handler+0x84/0xf0 [ 83.965130][ T4757] el0t_64_sync+0x18c/0x190 [ 83.965972][ T4757] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.968024][ T4757] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.091034][ T4759] set_capacity_and_notify: 24 callbacks suppressed [ 84.091045][ T4759] loop1: detected capacity change from 0 to 32768 [ 84.100856][ T4759] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.102009][ T4759] CPU: 1 PID: 4759 Comm: syz.1.153 Tainted: G W syzkaller #0 [ 84.103475][ T4759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.105003][ T4759] Call trace: [ 84.105520][ T4759] dump_backtrace+0x1c8/0x1f4 [ 84.106239][ T4759] show_stack+0x2c/0x3c [ 84.106894][ T4759] __dump_stack+0x30/0x40 [ 84.107622][ T4759] dump_stack_lvl+0xf8/0x160 [ 84.108305][ T4759] dump_stack+0x1c/0x5c [ 84.108928][ T4759] sysfs_create_dir_ns+0x22c/0x24c [ 84.109707][ T4759] kobject_add_internal+0x5a8/0xb30 [ 84.110442][ T4759] kobject_init_and_add+0x118/0x17c [ 84.111285][ T4759] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.112032][ T4759] gfs2_fill_super+0xdec/0x19ec [ 84.112780][ T4759] get_tree_bdev+0x358/0x544 [ 84.113501][ T4759] gfs2_get_tree+0x54/0x1b4 [ 84.114229][ T4759] vfs_get_tree+0x90/0x274 [ 84.114929][ T4759] do_new_mount+0x228/0x810 [ 84.115581][ T4759] path_mount+0x5b4/0xe78 [ 84.116225][ T4759] __arm64_sys_mount+0x49c/0x584 [ 84.116931][ T4759] invoke_syscall+0x98/0x2bc [ 84.117637][ T4759] el0_svc_common+0x138/0x258 [ 84.118394][ T4759] do_el0_svc+0x58/0x13c [ 84.119033][ T4759] el0_svc+0x58/0x138 [ 84.119677][ T4759] el0t_64_sync_handler+0x84/0xf0 [ 84.120458][ T4759] el0t_64_sync+0x18c/0x190 [ 84.121440][ T4759] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.123573][ T4759] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.238036][ T4761] loop1: detected capacity change from 0 to 32768 [ 84.243141][ T4761] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.244936][ T4761] CPU: 1 PID: 4761 Comm: syz.1.154 Tainted: G W syzkaller #0 [ 84.246407][ T4761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.247892][ T4761] Call trace: [ 84.248418][ T4761] dump_backtrace+0x1c8/0x1f4 [ 84.249108][ T4761] show_stack+0x2c/0x3c [ 84.249778][ T4761] __dump_stack+0x30/0x40 [ 84.250435][ T4761] dump_stack_lvl+0xf8/0x160 [ 84.251139][ T4761] dump_stack+0x1c/0x5c [ 84.251762][ T4761] sysfs_create_dir_ns+0x22c/0x24c [ 84.252479][ T4761] kobject_add_internal+0x5a8/0xb30 [ 84.253218][ T4761] kobject_init_and_add+0x118/0x17c [ 84.254004][ T4761] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.254816][ T4761] gfs2_fill_super+0xdec/0x19ec [ 84.255541][ T4761] get_tree_bdev+0x358/0x544 [ 84.256276][ T4761] gfs2_get_tree+0x54/0x1b4 [ 84.256961][ T4761] vfs_get_tree+0x90/0x274 [ 84.257642][ T4761] do_new_mount+0x228/0x810 [ 84.258334][ T4761] path_mount+0x5b4/0xe78 [ 84.259004][ T4761] __arm64_sys_mount+0x49c/0x584 [ 84.259739][ T4761] invoke_syscall+0x98/0x2bc [ 84.260474][ T4761] el0_svc_common+0x138/0x258 [ 84.261169][ T4761] do_el0_svc+0x58/0x13c [ 84.261864][ T4761] el0_svc+0x58/0x138 [ 84.262500][ T4761] el0t_64_sync_handler+0x84/0xf0 [ 84.263224][ T4761] el0t_64_sync+0x18c/0x190 [ 84.264003][ T4761] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.265941][ T4761] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.383832][ T4763] loop1: detected capacity change from 0 to 32768 [ 84.385547][ T4763] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.386773][ T4763] CPU: 1 PID: 4763 Comm: syz.1.155 Tainted: G W syzkaller #0 [ 84.388189][ T4763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.389726][ T4763] Call trace: [ 84.390272][ T4763] dump_backtrace+0x1c8/0x1f4 [ 84.391022][ T4763] show_stack+0x2c/0x3c [ 84.391638][ T4763] __dump_stack+0x30/0x40 [ 84.392331][ T4763] dump_stack_lvl+0xf8/0x160 [ 84.393033][ T4763] dump_stack+0x1c/0x5c [ 84.393718][ T4763] sysfs_create_dir_ns+0x22c/0x24c [ 84.394615][ T4763] kobject_add_internal+0x5a8/0xb30 [ 84.395437][ T4763] kobject_init_and_add+0x118/0x17c [ 84.396265][ T4763] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.397004][ T4763] gfs2_fill_super+0xdec/0x19ec [ 84.397790][ T4763] get_tree_bdev+0x358/0x544 [ 84.398546][ T4763] gfs2_get_tree+0x54/0x1b4 [ 84.399274][ T4763] vfs_get_tree+0x90/0x274 [ 84.400059][ T4763] do_new_mount+0x228/0x810 [ 84.400724][ T4763] path_mount+0x5b4/0xe78 [ 84.401444][ T4763] __arm64_sys_mount+0x49c/0x584 [ 84.402148][ T4763] invoke_syscall+0x98/0x2bc [ 84.402839][ T4763] el0_svc_common+0x138/0x258 [ 84.403521][ T4763] do_el0_svc+0x58/0x13c [ 84.404219][ T4763] el0_svc+0x58/0x138 [ 84.404860][ T4763] el0t_64_sync_handler+0x84/0xf0 [ 84.405634][ T4763] el0t_64_sync+0x18c/0x190 [ 84.406672][ T4763] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.408722][ T4763] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.526775][ T4765] loop1: detected capacity change from 0 to 32768 [ 84.533122][ T4765] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.534709][ T4765] CPU: 1 PID: 4765 Comm: syz.1.156 Tainted: G W syzkaller #0 [ 84.536088][ T4765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.537792][ T4765] Call trace: [ 84.538252][ T4765] dump_backtrace+0x1c8/0x1f4 [ 84.538972][ T4765] show_stack+0x2c/0x3c [ 84.539643][ T4765] __dump_stack+0x30/0x40 [ 84.540334][ T4765] dump_stack_lvl+0xf8/0x160 [ 84.541012][ T4765] dump_stack+0x1c/0x5c [ 84.541677][ T4765] sysfs_create_dir_ns+0x22c/0x24c [ 84.542431][ T4765] kobject_add_internal+0x5a8/0xb30 [ 84.543242][ T4765] kobject_init_and_add+0x118/0x17c [ 84.544060][ T4765] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.544799][ T4765] gfs2_fill_super+0xdec/0x19ec [ 84.545585][ T4765] get_tree_bdev+0x358/0x544 [ 84.546356][ T4765] gfs2_get_tree+0x54/0x1b4 [ 84.546983][ T4765] vfs_get_tree+0x90/0x274 [ 84.547668][ T4765] do_new_mount+0x228/0x810 [ 84.548403][ T4765] path_mount+0x5b4/0xe78 [ 84.549053][ T4765] __arm64_sys_mount+0x49c/0x584 [ 84.549864][ T4765] invoke_syscall+0x98/0x2bc [ 84.550615][ T4765] el0_svc_common+0x138/0x258 [ 84.551285][ T4765] do_el0_svc+0x58/0x13c [ 84.551974][ T4765] el0_svc+0x58/0x138 [ 84.552570][ T4765] el0t_64_sync_handler+0x84/0xf0 [ 84.553403][ T4765] el0t_64_sync+0x18c/0x190 [ 84.554623][ T4765] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.557179][ T4765] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.683506][ T4767] loop1: detected capacity change from 0 to 32768 [ 84.685236][ T4767] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.686452][ T4767] CPU: 0 PID: 4767 Comm: syz.1.157 Tainted: G W syzkaller #0 [ 84.687875][ T4767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.689480][ T4767] Call trace: [ 84.690020][ T4767] dump_backtrace+0x1c8/0x1f4 [ 84.690776][ T4767] show_stack+0x2c/0x3c [ 84.691440][ T4767] __dump_stack+0x30/0x40 [ 84.692147][ T4767] dump_stack_lvl+0xf8/0x160 [ 84.692898][ T4767] dump_stack+0x1c/0x5c [ 84.693604][ T4767] sysfs_create_dir_ns+0x22c/0x24c [ 84.694330][ T4767] kobject_add_internal+0x5a8/0xb30 [ 84.695219][ T4767] kobject_init_and_add+0x118/0x17c [ 84.696003][ T4767] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.696769][ T4767] gfs2_fill_super+0xdec/0x19ec [ 84.697561][ T4767] get_tree_bdev+0x358/0x544 [ 84.698279][ T4767] gfs2_get_tree+0x54/0x1b4 [ 84.698924][ T4767] vfs_get_tree+0x90/0x274 [ 84.699616][ T4767] do_new_mount+0x228/0x810 [ 84.700263][ T4767] path_mount+0x5b4/0xe78 [ 84.700965][ T4767] __arm64_sys_mount+0x49c/0x584 [ 84.701767][ T4767] invoke_syscall+0x98/0x2bc [ 84.702508][ T4767] el0_svc_common+0x138/0x258 [ 84.703168][ T4767] do_el0_svc+0x58/0x13c [ 84.703812][ T4767] el0_svc+0x58/0x138 [ 84.704439][ T4767] el0t_64_sync_handler+0x84/0xf0 [ 84.705140][ T4767] el0t_64_sync+0x18c/0x190 [ 84.706153][ T4767] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.708306][ T4767] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.830856][ T4769] loop1: detected capacity change from 0 to 32768 [ 84.832577][ T4769] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.834175][ T4769] CPU: 1 PID: 4769 Comm: syz.1.158 Tainted: G W syzkaller #0 [ 84.835519][ T4769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.837032][ T4769] Call trace: [ 84.837614][ T4769] dump_backtrace+0x1c8/0x1f4 [ 84.838320][ T4769] show_stack+0x2c/0x3c [ 84.839055][ T4769] __dump_stack+0x30/0x40 [ 84.839742][ T4769] dump_stack_lvl+0xf8/0x160 [ 84.840491][ T4769] dump_stack+0x1c/0x5c [ 84.841184][ T4769] sysfs_create_dir_ns+0x22c/0x24c [ 84.841989][ T4769] kobject_add_internal+0x5a8/0xb30 [ 84.842821][ T4769] kobject_init_and_add+0x118/0x17c [ 84.843678][ T4769] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.844409][ T4769] gfs2_fill_super+0xdec/0x19ec [ 84.845124][ T4769] get_tree_bdev+0x358/0x544 [ 84.845840][ T4769] gfs2_get_tree+0x54/0x1b4 [ 84.846531][ T4769] vfs_get_tree+0x90/0x274 [ 84.847158][ T4769] do_new_mount+0x228/0x810 [ 84.847848][ T4769] path_mount+0x5b4/0xe78 [ 84.848525][ T4769] __arm64_sys_mount+0x49c/0x584 [ 84.849275][ T4769] invoke_syscall+0x98/0x2bc [ 84.850020][ T4769] el0_svc_common+0x138/0x258 [ 84.850822][ T4769] do_el0_svc+0x58/0x13c [ 84.851499][ T4769] el0_svc+0x58/0x138 [ 84.852137][ T4769] el0t_64_sync_handler+0x84/0xf0 [ 84.852899][ T4769] el0t_64_sync+0x18c/0x190 [ 84.854807][ T4769] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.856806][ T4769] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.003073][ T4771] loop1: detected capacity change from 0 to 32768 [ 85.015657][ T4771] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.016945][ T4771] CPU: 1 PID: 4771 Comm: syz.1.159 Tainted: G W syzkaller #0 [ 85.018406][ T4771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.019889][ T4771] Call trace: [ 85.020392][ T4771] dump_backtrace+0x1c8/0x1f4 [ 85.021139][ T4771] show_stack+0x2c/0x3c [ 85.021797][ T4771] __dump_stack+0x30/0x40 [ 85.022494][ T4771] dump_stack_lvl+0xf8/0x160 [ 85.023246][ T4771] dump_stack+0x1c/0x5c [ 85.023920][ T4771] sysfs_create_dir_ns+0x22c/0x24c [ 85.024702][ T4771] kobject_add_internal+0x5a8/0xb30 [ 85.025521][ T4771] kobject_init_and_add+0x118/0x17c [ 85.026351][ T4771] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.027068][ T4771] gfs2_fill_super+0xdec/0x19ec [ 85.027860][ T4771] get_tree_bdev+0x358/0x544 [ 85.028588][ T4771] gfs2_get_tree+0x54/0x1b4 [ 85.029257][ T4771] vfs_get_tree+0x90/0x274 [ 85.030005][ T4771] do_new_mount+0x228/0x810 [ 85.030815][ T4771] path_mount+0x5b4/0xe78 [ 85.031543][ T4771] __arm64_sys_mount+0x49c/0x584 [ 85.032419][ T4771] invoke_syscall+0x98/0x2bc [ 85.033196][ T4771] el0_svc_common+0x138/0x258 [ 85.034004][ T4771] do_el0_svc+0x58/0x13c [ 85.034711][ T4771] el0_svc+0x58/0x138 [ 85.035379][ T4771] el0t_64_sync_handler+0x84/0xf0 [ 85.036220][ T4771] el0t_64_sync+0x18c/0x190 [ 85.038207][ T4771] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.040330][ T4771] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.177361][ T4773] loop1: detected capacity change from 0 to 32768 [ 85.190937][ T4773] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.192209][ T4773] CPU: 0 PID: 4773 Comm: syz.1.160 Tainted: G W syzkaller #0 [ 85.193564][ T4773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.195239][ T4773] Call trace: [ 85.195759][ T4773] dump_backtrace+0x1c8/0x1f4 [ 85.196510][ T4773] show_stack+0x2c/0x3c [ 85.197129][ T4773] __dump_stack+0x30/0x40 [ 85.197779][ T4773] dump_stack_lvl+0xf8/0x160 [ 85.198484][ T4773] dump_stack+0x1c/0x5c [ 85.199250][ T4773] sysfs_create_dir_ns+0x22c/0x24c [ 85.200039][ T4773] kobject_add_internal+0x5a8/0xb30 [ 85.200785][ T4773] kobject_init_and_add+0x118/0x17c [ 85.201552][ T4773] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.202293][ T4773] gfs2_fill_super+0xdec/0x19ec [ 85.203014][ T4773] get_tree_bdev+0x358/0x544 [ 85.203657][ T4773] gfs2_get_tree+0x54/0x1b4 [ 85.204307][ T4773] vfs_get_tree+0x90/0x274 [ 85.204992][ T4773] do_new_mount+0x228/0x810 [ 85.205658][ T4773] path_mount+0x5b4/0xe78 [ 85.206237][ T4773] __arm64_sys_mount+0x49c/0x584 [ 85.206986][ T4773] invoke_syscall+0x98/0x2bc [ 85.207717][ T4773] el0_svc_common+0x138/0x258 [ 85.208476][ T4773] do_el0_svc+0x58/0x13c [ 85.209113][ T4773] el0_svc+0x58/0x138 [ 85.209714][ T4773] el0t_64_sync_handler+0x84/0xf0 [ 85.210448][ T4773] el0t_64_sync+0x18c/0x190 [ 85.213887][ T4773] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.215934][ T4773] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.337962][ T4775] loop1: detected capacity change from 0 to 32768 [ 85.339755][ T4775] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.340867][ T4775] CPU: 1 PID: 4775 Comm: syz.1.161 Tainted: G W syzkaller #0 [ 85.342225][ T4775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.343834][ T4775] Call trace: [ 85.344307][ T4775] dump_backtrace+0x1c8/0x1f4 [ 85.345027][ T4775] show_stack+0x2c/0x3c [ 85.345668][ T4775] __dump_stack+0x30/0x40 [ 85.346351][ T4775] dump_stack_lvl+0xf8/0x160 [ 85.347065][ T4775] dump_stack+0x1c/0x5c [ 85.347751][ T4775] sysfs_create_dir_ns+0x22c/0x24c [ 85.348521][ T4775] kobject_add_internal+0x5a8/0xb30 [ 85.349355][ T4775] kobject_init_and_add+0x118/0x17c [ 85.350198][ T4775] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.350906][ T4775] gfs2_fill_super+0xdec/0x19ec [ 85.351677][ T4775] get_tree_bdev+0x358/0x544 [ 85.352387][ T4775] gfs2_get_tree+0x54/0x1b4 [ 85.353085][ T4775] vfs_get_tree+0x90/0x274 [ 85.353776][ T4775] do_new_mount+0x228/0x810 [ 85.354446][ T4775] path_mount+0x5b4/0xe78 [ 85.355157][ T4775] __arm64_sys_mount+0x49c/0x584 [ 85.355889][ T4775] invoke_syscall+0x98/0x2bc [ 85.356591][ T4775] el0_svc_common+0x138/0x258 [ 85.357465][ T4775] do_el0_svc+0x58/0x13c [ 85.358171][ T4775] el0_svc+0x58/0x138 [ 85.358841][ T4775] el0t_64_sync_handler+0x84/0xf0 [ 85.359635][ T4775] el0t_64_sync+0x18c/0x190 [ 85.361746][ T4775] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.363823][ T4775] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.481799][ T4777] loop1: detected capacity change from 0 to 32768 [ 85.489886][ T4777] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.491160][ T4777] CPU: 0 PID: 4777 Comm: syz.1.162 Tainted: G W syzkaller #0 [ 85.492659][ T4777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.494288][ T4777] Call trace: [ 85.494885][ T4777] dump_backtrace+0x1c8/0x1f4 [ 85.495700][ T4777] show_stack+0x2c/0x3c [ 85.496371][ T4777] __dump_stack+0x30/0x40 [ 85.497106][ T4777] dump_stack_lvl+0xf8/0x160 [ 85.497879][ T4777] dump_stack+0x1c/0x5c [ 85.498531][ T4777] sysfs_create_dir_ns+0x22c/0x24c [ 85.499384][ T4777] kobject_add_internal+0x5a8/0xb30 [ 85.500233][ T4777] kobject_init_and_add+0x118/0x17c [ 85.501087][ T4777] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.501855][ T4777] gfs2_fill_super+0xdec/0x19ec [ 85.502636][ T4777] get_tree_bdev+0x358/0x544 [ 85.503394][ T4777] gfs2_get_tree+0x54/0x1b4 [ 85.504158][ T4777] vfs_get_tree+0x90/0x274 [ 85.504887][ T4777] do_new_mount+0x228/0x810 [ 85.505604][ T4777] path_mount+0x5b4/0xe78 [ 85.506270][ T4777] __arm64_sys_mount+0x49c/0x584 [ 85.507071][ T4777] invoke_syscall+0x98/0x2bc [ 85.507800][ T4777] el0_svc_common+0x138/0x258 [ 85.508566][ T4777] do_el0_svc+0x58/0x13c [ 85.509193][ T4777] el0_svc+0x58/0x138 [ 85.509805][ T4777] el0t_64_sync_handler+0x84/0xf0 [ 85.510583][ T4777] el0t_64_sync+0x18c/0x190 [ 85.511421][ T4777] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.513421][ T4777] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.642910][ T4779] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.644255][ T4779] CPU: 1 PID: 4779 Comm: syz.1.163 Tainted: G W syzkaller #0 [ 85.645634][ T4779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.647105][ T4779] Call trace: [ 85.647632][ T4779] dump_backtrace+0x1c8/0x1f4 [ 85.648403][ T4779] show_stack+0x2c/0x3c [ 85.649015][ T4779] __dump_stack+0x30/0x40 [ 85.649752][ T4779] dump_stack_lvl+0xf8/0x160 [ 85.650427][ T4779] dump_stack+0x1c/0x5c [ 85.651054][ T4779] sysfs_create_dir_ns+0x22c/0x24c [ 85.651810][ T4779] kobject_add_internal+0x5a8/0xb30 [ 85.652551][ T4779] kobject_init_and_add+0x118/0x17c [ 85.653336][ T4779] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.654060][ T4779] gfs2_fill_super+0xdec/0x19ec [ 85.654791][ T4779] get_tree_bdev+0x358/0x544 [ 85.655460][ T4779] gfs2_get_tree+0x54/0x1b4 [ 85.656110][ T4779] vfs_get_tree+0x90/0x274 [ 85.656816][ T4779] do_new_mount+0x228/0x810 [ 85.657514][ T4779] path_mount+0x5b4/0xe78 [ 85.658176][ T4779] __arm64_sys_mount+0x49c/0x584 [ 85.658960][ T4779] invoke_syscall+0x98/0x2bc [ 85.659601][ T4779] el0_svc_common+0x138/0x258 [ 85.660269][ T4779] do_el0_svc+0x58/0x13c [ 85.660892][ T4779] el0_svc+0x58/0x138 [ 85.661485][ T4779] el0t_64_sync_handler+0x84/0xf0 [ 85.662263][ T4779] el0t_64_sync+0x18c/0x190 [ 85.663055][ T4779] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.665035][ T4779] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.790383][ T4781] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.791538][ T4781] CPU: 0 PID: 4781 Comm: syz.1.164 Tainted: G W syzkaller #0 [ 85.792873][ T4781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.794356][ T4781] Call trace: [ 85.794907][ T4781] dump_backtrace+0x1c8/0x1f4 [ 85.795730][ T4781] show_stack+0x2c/0x3c [ 85.796434][ T4781] __dump_stack+0x30/0x40 [ 85.797173][ T4781] dump_stack_lvl+0xf8/0x160 [ 85.797892][ T4781] dump_stack+0x1c/0x5c [ 85.798584][ T4781] sysfs_create_dir_ns+0x22c/0x24c [ 85.799382][ T4781] kobject_add_internal+0x5a8/0xb30 [ 85.800238][ T4781] kobject_init_and_add+0x118/0x17c [ 85.801045][ T4781] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.801781][ T4781] gfs2_fill_super+0xdec/0x19ec [ 85.802556][ T4781] get_tree_bdev+0x358/0x544 [ 85.803253][ T4781] gfs2_get_tree+0x54/0x1b4 [ 85.803961][ T4781] vfs_get_tree+0x90/0x274 [ 85.804661][ T4781] do_new_mount+0x228/0x810 [ 85.805362][ T4781] path_mount+0x5b4/0xe78 [ 85.806045][ T4781] __arm64_sys_mount+0x49c/0x584 [ 85.806843][ T4781] invoke_syscall+0x98/0x2bc [ 85.807625][ T4781] el0_svc_common+0x138/0x258 [ 85.808381][ T4781] do_el0_svc+0x58/0x13c [ 85.809024][ T4781] el0_svc+0x58/0x138 [ 85.809654][ T4781] el0t_64_sync_handler+0x84/0xf0 [ 85.810454][ T4781] el0t_64_sync+0x18c/0x190 [ 85.813185][ T4781] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.815152][ T4781] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.938235][ T4783] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.939425][ T4783] CPU: 1 PID: 4783 Comm: syz.1.165 Tainted: G W syzkaller #0 [ 85.940808][ T4783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.942368][ T4783] Call trace: [ 85.942884][ T4783] dump_backtrace+0x1c8/0x1f4 [ 85.943702][ T4783] show_stack+0x2c/0x3c [ 85.944366][ T4783] __dump_stack+0x30/0x40 [ 85.945088][ T4783] dump_stack_lvl+0xf8/0x160 [ 85.945827][ T4783] dump_stack+0x1c/0x5c [ 85.946523][ T4783] sysfs_create_dir_ns+0x22c/0x24c [ 85.947354][ T4783] kobject_add_internal+0x5a8/0xb30 [ 85.948110][ T4783] kobject_init_and_add+0x118/0x17c [ 85.948940][ T4783] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.949653][ T4783] gfs2_fill_super+0xdec/0x19ec [ 85.950400][ T4783] get_tree_bdev+0x358/0x544 [ 85.951127][ T4783] gfs2_get_tree+0x54/0x1b4 [ 85.951903][ T4783] vfs_get_tree+0x90/0x274 [ 85.952660][ T4783] do_new_mount+0x228/0x810 [ 85.953356][ T4783] path_mount+0x5b4/0xe78 [ 85.954100][ T4783] __arm64_sys_mount+0x49c/0x584 [ 85.954883][ T4783] invoke_syscall+0x98/0x2bc [ 85.955608][ T4783] el0_svc_common+0x138/0x258 [ 85.956394][ T4783] do_el0_svc+0x58/0x13c [ 85.957098][ T4783] el0_svc+0x58/0x138 [ 85.957685][ T4783] el0t_64_sync_handler+0x84/0xf0 [ 85.958537][ T4783] el0t_64_sync+0x18c/0x190 [ 85.959385][ T4783] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.961371][ T4783] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.081300][ T4785] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.082621][ T4785] CPU: 0 PID: 4785 Comm: syz.1.166 Tainted: G W syzkaller #0 [ 86.084070][ T4785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.085798][ T4785] Call trace: [ 86.086334][ T4785] dump_backtrace+0x1c8/0x1f4 [ 86.087135][ T4785] show_stack+0x2c/0x3c [ 86.087855][ T4785] __dump_stack+0x30/0x40 [ 86.088568][ T4785] dump_stack_lvl+0xf8/0x160 [ 86.089274][ T4785] dump_stack+0x1c/0x5c [ 86.089926][ T4785] sysfs_create_dir_ns+0x22c/0x24c [ 86.090726][ T4785] kobject_add_internal+0x5a8/0xb30 [ 86.091617][ T4785] kobject_init_and_add+0x118/0x17c [ 86.092367][ T4785] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.093068][ T4785] gfs2_fill_super+0xdec/0x19ec [ 86.093831][ T4785] get_tree_bdev+0x358/0x544 [ 86.094528][ T4785] gfs2_get_tree+0x54/0x1b4 [ 86.095222][ T4785] vfs_get_tree+0x90/0x274 [ 86.095941][ T4785] do_new_mount+0x228/0x810 [ 86.096654][ T4785] path_mount+0x5b4/0xe78 [ 86.097331][ T4785] __arm64_sys_mount+0x49c/0x584 [ 86.098153][ T4785] invoke_syscall+0x98/0x2bc [ 86.098945][ T4785] el0_svc_common+0x138/0x258 [ 86.099660][ T4785] do_el0_svc+0x58/0x13c [ 86.100379][ T4785] el0_svc+0x58/0x138 [ 86.101038][ T4785] el0t_64_sync_handler+0x84/0xf0 [ 86.101864][ T4785] el0t_64_sync+0x18c/0x190 [ 86.104351][ T4785] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.106423][ T4785] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.229976][ T4787] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.231233][ T4787] CPU: 1 PID: 4787 Comm: syz.1.167 Tainted: G W syzkaller #0 [ 86.232736][ T4787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.234443][ T4787] Call trace: [ 86.234950][ T4787] dump_backtrace+0x1c8/0x1f4 [ 86.235752][ T4787] show_stack+0x2c/0x3c [ 86.236458][ T4787] __dump_stack+0x30/0x40 [ 86.237145][ T4787] dump_stack_lvl+0xf8/0x160 [ 86.237853][ T4787] dump_stack+0x1c/0x5c [ 86.238562][ T4787] sysfs_create_dir_ns+0x22c/0x24c [ 86.239390][ T4787] kobject_add_internal+0x5a8/0xb30 [ 86.240211][ T4787] kobject_init_and_add+0x118/0x17c [ 86.241056][ T4787] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.241817][ T4787] gfs2_fill_super+0xdec/0x19ec [ 86.242574][ T4787] get_tree_bdev+0x358/0x544 [ 86.243300][ T4787] gfs2_get_tree+0x54/0x1b4 [ 86.244033][ T4787] vfs_get_tree+0x90/0x274 [ 86.244731][ T4787] do_new_mount+0x228/0x810 [ 86.245473][ T4787] path_mount+0x5b4/0xe78 [ 86.246152][ T4787] __arm64_sys_mount+0x49c/0x584 [ 86.246961][ T4787] invoke_syscall+0x98/0x2bc [ 86.247697][ T4787] el0_svc_common+0x138/0x258 [ 86.248405][ T4787] do_el0_svc+0x58/0x13c [ 86.249085][ T4787] el0_svc+0x58/0x138 [ 86.249714][ T4787] el0t_64_sync_handler+0x84/0xf0 [ 86.250523][ T4787] el0t_64_sync+0x18c/0x190 [ 86.251461][ T4787] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.253958][ T4787] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.371615][ T4789] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.372873][ T4789] CPU: 0 PID: 4789 Comm: syz.1.168 Tainted: G W syzkaller #0 [ 86.374302][ T4789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.375899][ T4789] Call trace: [ 86.376440][ T4789] dump_backtrace+0x1c8/0x1f4 [ 86.377160][ T4789] show_stack+0x2c/0x3c [ 86.377863][ T4789] __dump_stack+0x30/0x40 [ 86.378589][ T4789] dump_stack_lvl+0xf8/0x160 [ 86.379382][ T4789] dump_stack+0x1c/0x5c [ 86.380047][ T4789] sysfs_create_dir_ns+0x22c/0x24c [ 86.380885][ T4789] kobject_add_internal+0x5a8/0xb30 [ 86.381782][ T4789] kobject_init_and_add+0x118/0x17c [ 86.382613][ T4789] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.383384][ T4789] gfs2_fill_super+0xdec/0x19ec [ 86.384153][ T4789] get_tree_bdev+0x358/0x544 [ 86.384871][ T4789] gfs2_get_tree+0x54/0x1b4 [ 86.385607][ T4789] vfs_get_tree+0x90/0x274 [ 86.386313][ T4789] do_new_mount+0x228/0x810 [ 86.387011][ T4789] path_mount+0x5b4/0xe78 [ 86.387760][ T4789] __arm64_sys_mount+0x49c/0x584 [ 86.388553][ T4789] invoke_syscall+0x98/0x2bc [ 86.389240][ T4789] el0_svc_common+0x138/0x258 [ 86.390052][ T4789] do_el0_svc+0x58/0x13c [ 86.390741][ T4789] el0_svc+0x58/0x138 [ 86.391388][ T4789] el0t_64_sync_handler+0x84/0xf0 [ 86.392145][ T4789] el0t_64_sync+0x18c/0x190 [ 86.394196][ T4789] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.396250][ T4789] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.529700][ T4791] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.530932][ T4791] CPU: 1 PID: 4791 Comm: syz.1.169 Tainted: G W syzkaller #0 [ 86.532334][ T4791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.533913][ T4791] Call trace: [ 86.534426][ T4791] dump_backtrace+0x1c8/0x1f4 [ 86.535144][ T4791] show_stack+0x2c/0x3c [ 86.535747][ T4791] __dump_stack+0x30/0x40 [ 86.536430][ T4791] dump_stack_lvl+0xf8/0x160 [ 86.537109][ T4791] dump_stack+0x1c/0x5c [ 86.537786][ T4791] sysfs_create_dir_ns+0x22c/0x24c [ 86.538569][ T4791] kobject_add_internal+0x5a8/0xb30 [ 86.539382][ T4791] kobject_init_and_add+0x118/0x17c [ 86.540214][ T4791] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.540984][ T4791] gfs2_fill_super+0xdec/0x19ec [ 86.541683][ T4791] get_tree_bdev+0x358/0x544 [ 86.542421][ T4791] gfs2_get_tree+0x54/0x1b4 [ 86.543172][ T4791] vfs_get_tree+0x90/0x274 [ 86.543824][ T4791] do_new_mount+0x228/0x810 [ 86.544477][ T4791] path_mount+0x5b4/0xe78 [ 86.545152][ T4791] __arm64_sys_mount+0x49c/0x584 [ 86.545913][ T4791] invoke_syscall+0x98/0x2bc [ 86.546592][ T4791] el0_svc_common+0x138/0x258 [ 86.547345][ T4791] do_el0_svc+0x58/0x13c [ 86.548009][ T4791] el0_svc+0x58/0x138 [ 86.548671][ T4791] el0t_64_sync_handler+0x84/0xf0 [ 86.549460][ T4791] el0t_64_sync+0x18c/0x190 [ 86.552172][ T4791] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.554659][ T4791] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.676517][ T4793] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.677720][ T4793] CPU: 0 PID: 4793 Comm: syz.1.170 Tainted: G W syzkaller #0 [ 86.679102][ T4793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.680722][ T4793] Call trace: [ 86.681206][ T4793] dump_backtrace+0x1c8/0x1f4 [ 86.681964][ T4793] show_stack+0x2c/0x3c [ 86.682645][ T4793] __dump_stack+0x30/0x40 [ 86.683364][ T4793] dump_stack_lvl+0xf8/0x160 [ 86.684129][ T4793] dump_stack+0x1c/0x5c [ 86.684820][ T4793] sysfs_create_dir_ns+0x22c/0x24c [ 86.685645][ T4793] kobject_add_internal+0x5a8/0xb30 [ 86.686451][ T4793] kobject_init_and_add+0x118/0x17c [ 86.687281][ T4793] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.688020][ T4793] gfs2_fill_super+0xdec/0x19ec [ 86.688731][ T4793] get_tree_bdev+0x358/0x544 [ 86.689501][ T4793] gfs2_get_tree+0x54/0x1b4 [ 86.690200][ T4793] vfs_get_tree+0x90/0x274 [ 86.690893][ T4793] do_new_mount+0x228/0x810 [ 86.691607][ T4793] path_mount+0x5b4/0xe78 [ 86.692231][ T4793] __arm64_sys_mount+0x49c/0x584 [ 86.692981][ T4793] invoke_syscall+0x98/0x2bc [ 86.693736][ T4793] el0_svc_common+0x138/0x258 [ 86.694400][ T4793] do_el0_svc+0x58/0x13c [ 86.695028][ T4793] el0_svc+0x58/0x138 [ 86.695736][ T4793] el0t_64_sync_handler+0x84/0xf0 [ 86.696572][ T4793] el0t_64_sync+0x18c/0x190 [ 86.699018][ T4793] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.701059][ T4793] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.828352][ T4795] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.829514][ T4795] CPU: 1 PID: 4795 Comm: syz.1.171 Tainted: G W syzkaller #0 [ 86.830843][ T4795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.832370][ T4795] Call trace: [ 86.832882][ T4795] dump_backtrace+0x1c8/0x1f4 [ 86.833661][ T4795] show_stack+0x2c/0x3c [ 86.834369][ T4795] __dump_stack+0x30/0x40 [ 86.835139][ T4795] dump_stack_lvl+0xf8/0x160 [ 86.835901][ T4795] dump_stack+0x1c/0x5c [ 86.836556][ T4795] sysfs_create_dir_ns+0x22c/0x24c [ 86.837364][ T4795] kobject_add_internal+0x5a8/0xb30 [ 86.838266][ T4795] kobject_init_and_add+0x118/0x17c [ 86.839096][ T4795] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.839843][ T4795] gfs2_fill_super+0xdec/0x19ec [ 86.840665][ T4795] get_tree_bdev+0x358/0x544 [ 86.841377][ T4795] gfs2_get_tree+0x54/0x1b4 [ 86.842161][ T4795] vfs_get_tree+0x90/0x274 [ 86.842839][ T4795] do_new_mount+0x228/0x810 [ 86.843619][ T4795] path_mount+0x5b4/0xe78 [ 86.844348][ T4795] __arm64_sys_mount+0x49c/0x584 [ 86.845125][ T4795] invoke_syscall+0x98/0x2bc [ 86.845795][ T4795] el0_svc_common+0x138/0x258 [ 86.846525][ T4795] do_el0_svc+0x58/0x13c [ 86.847150][ T4795] el0_svc+0x58/0x138 [ 86.847767][ T4795] el0t_64_sync_handler+0x84/0xf0 [ 86.848485][ T4795] el0t_64_sync+0x18c/0x190 [ 86.849519][ T4795] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.851409][ T4795] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.973964][ T4797] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.975211][ T4797] CPU: 0 PID: 4797 Comm: syz.1.172 Tainted: G W syzkaller #0 [ 86.976608][ T4797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.978206][ T4797] Call trace: [ 86.978709][ T4797] dump_backtrace+0x1c8/0x1f4 [ 86.979434][ T4797] show_stack+0x2c/0x3c [ 86.980067][ T4797] __dump_stack+0x30/0x40 [ 86.980732][ T4797] dump_stack_lvl+0xf8/0x160 [ 86.981502][ T4797] dump_stack+0x1c/0x5c [ 86.982206][ T4797] sysfs_create_dir_ns+0x22c/0x24c [ 86.983008][ T4797] kobject_add_internal+0x5a8/0xb30 [ 86.983795][ T4797] kobject_init_and_add+0x118/0x17c [ 86.984535][ T4797] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.985297][ T4797] gfs2_fill_super+0xdec/0x19ec [ 86.986027][ T4797] get_tree_bdev+0x358/0x544 [ 86.986768][ T4797] gfs2_get_tree+0x54/0x1b4 [ 86.987487][ T4797] vfs_get_tree+0x90/0x274 [ 86.988213][ T4797] do_new_mount+0x228/0x810 [ 86.988901][ T4797] path_mount+0x5b4/0xe78 [ 86.989584][ T4797] __arm64_sys_mount+0x49c/0x584 [ 86.990302][ T4797] invoke_syscall+0x98/0x2bc [ 86.991062][ T4797] el0_svc_common+0x138/0x258 [ 86.991746][ T4797] do_el0_svc+0x58/0x13c [ 86.992398][ T4797] el0_svc+0x58/0x138 [ 86.993005][ T4797] el0t_64_sync_handler+0x84/0xf0 [ 86.993772][ T4797] el0t_64_sync+0x18c/0x190 [ 86.995752][ T4797] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.997691][ T4797] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.123478][ T4799] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.124661][ T4799] CPU: 1 PID: 4799 Comm: syz.1.173 Tainted: G W syzkaller #0 [ 87.126003][ T4799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.127498][ T4799] Call trace: [ 87.127988][ T4799] dump_backtrace+0x1c8/0x1f4 [ 87.128712][ T4799] show_stack+0x2c/0x3c [ 87.129311][ T4799] __dump_stack+0x30/0x40 [ 87.129982][ T4799] dump_stack_lvl+0xf8/0x160 [ 87.130692][ T4799] dump_stack+0x1c/0x5c [ 87.131396][ T4799] sysfs_create_dir_ns+0x22c/0x24c [ 87.132254][ T4799] kobject_add_internal+0x5a8/0xb30 [ 87.133162][ T4799] kobject_init_and_add+0x118/0x17c [ 87.134021][ T4799] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.134787][ T4799] gfs2_fill_super+0xdec/0x19ec [ 87.135561][ T4799] get_tree_bdev+0x358/0x544 [ 87.136329][ T4799] gfs2_get_tree+0x54/0x1b4 [ 87.137035][ T4799] vfs_get_tree+0x90/0x274 [ 87.137741][ T4799] do_new_mount+0x228/0x810 [ 87.138450][ T4799] path_mount+0x5b4/0xe78 [ 87.139118][ T4799] __arm64_sys_mount+0x49c/0x584 [ 87.139833][ T4799] invoke_syscall+0x98/0x2bc [ 87.140476][ T4799] el0_svc_common+0x138/0x258 [ 87.141170][ T4799] do_el0_svc+0x58/0x13c [ 87.141828][ T4799] el0_svc+0x58/0x138 [ 87.142435][ T4799] el0t_64_sync_handler+0x84/0xf0 [ 87.143185][ T4799] el0t_64_sync+0x18c/0x190 [ 87.144056][ T4799] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.146061][ T4799] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.271448][ T4801] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.272708][ T4801] CPU: 0 PID: 4801 Comm: syz.1.174 Tainted: G W syzkaller #0 [ 87.274188][ T4801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.275751][ T4801] Call trace: [ 87.276295][ T4801] dump_backtrace+0x1c8/0x1f4 [ 87.277052][ T4801] show_stack+0x2c/0x3c [ 87.277746][ T4801] __dump_stack+0x30/0x40 [ 87.278490][ T4801] dump_stack_lvl+0xf8/0x160 [ 87.279235][ T4801] dump_stack+0x1c/0x5c [ 87.279957][ T4801] sysfs_create_dir_ns+0x22c/0x24c [ 87.280788][ T4801] kobject_add_internal+0x5a8/0xb30 [ 87.281594][ T4801] kobject_init_and_add+0x118/0x17c [ 87.282366][ T4801] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.283102][ T4801] gfs2_fill_super+0xdec/0x19ec [ 87.283905][ T4801] get_tree_bdev+0x358/0x544 [ 87.284619][ T4801] gfs2_get_tree+0x54/0x1b4 [ 87.285311][ T4801] vfs_get_tree+0x90/0x274 [ 87.286031][ T4801] do_new_mount+0x228/0x810 [ 87.286668][ T4801] path_mount+0x5b4/0xe78 [ 87.287400][ T4801] __arm64_sys_mount+0x49c/0x584 [ 87.288203][ T4801] invoke_syscall+0x98/0x2bc [ 87.288945][ T4801] el0_svc_common+0x138/0x258 [ 87.289756][ T4801] do_el0_svc+0x58/0x13c [ 87.290473][ T4801] el0_svc+0x58/0x138 [ 87.291097][ T4801] el0t_64_sync_handler+0x84/0xf0 [ 87.291897][ T4801] el0t_64_sync+0x18c/0x190 [ 87.292826][ T4801] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.295212][ T4801] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.416410][ T4803] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.417636][ T4803] CPU: 1 PID: 4803 Comm: syz.1.175 Tainted: G W syzkaller #0 [ 87.419029][ T4803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.420667][ T4803] Call trace: [ 87.421214][ T4803] dump_backtrace+0x1c8/0x1f4 [ 87.421954][ T4803] show_stack+0x2c/0x3c [ 87.422597][ T4803] __dump_stack+0x30/0x40 [ 87.423278][ T4803] dump_stack_lvl+0xf8/0x160 [ 87.424023][ T4803] dump_stack+0x1c/0x5c [ 87.424698][ T4803] sysfs_create_dir_ns+0x22c/0x24c [ 87.425530][ T4803] kobject_add_internal+0x5a8/0xb30 [ 87.426365][ T4803] kobject_init_and_add+0x118/0x17c [ 87.427218][ T4803] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.427953][ T4803] gfs2_fill_super+0xdec/0x19ec [ 87.428755][ T4803] get_tree_bdev+0x358/0x544 [ 87.429458][ T4803] gfs2_get_tree+0x54/0x1b4 [ 87.430171][ T4803] vfs_get_tree+0x90/0x274 [ 87.430888][ T4803] do_new_mount+0x228/0x810 [ 87.431622][ T4803] path_mount+0x5b4/0xe78 [ 87.432274][ T4803] __arm64_sys_mount+0x49c/0x584 [ 87.433089][ T4803] invoke_syscall+0x98/0x2bc [ 87.433865][ T4803] el0_svc_common+0x138/0x258 [ 87.434711][ T4803] do_el0_svc+0x58/0x13c [ 87.435360][ T4803] el0_svc+0x58/0x138 [ 87.436053][ T4803] el0t_64_sync_handler+0x84/0xf0 [ 87.436829][ T4803] el0t_64_sync+0x18c/0x190 [ 87.438039][ T4803] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.440428][ T4803] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.565525][ T4805] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.566790][ T4805] CPU: 0 PID: 4805 Comm: syz.1.176 Tainted: G W syzkaller #0 [ 87.568216][ T4805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.569792][ T4805] Call trace: [ 87.570332][ T4805] dump_backtrace+0x1c8/0x1f4 [ 87.571043][ T4805] show_stack+0x2c/0x3c [ 87.571660][ T4805] __dump_stack+0x30/0x40 [ 87.572340][ T4805] dump_stack_lvl+0xf8/0x160 [ 87.573037][ T4805] dump_stack+0x1c/0x5c [ 87.573655][ T4805] sysfs_create_dir_ns+0x22c/0x24c [ 87.574456][ T4805] kobject_add_internal+0x5a8/0xb30 [ 87.575307][ T4805] kobject_init_and_add+0x118/0x17c [ 87.576107][ T4805] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.576876][ T4805] gfs2_fill_super+0xdec/0x19ec [ 87.577593][ T4805] get_tree_bdev+0x358/0x544 [ 87.578291][ T4805] gfs2_get_tree+0x54/0x1b4 [ 87.578984][ T4805] vfs_get_tree+0x90/0x274 [ 87.579708][ T4805] do_new_mount+0x228/0x810 [ 87.580405][ T4805] path_mount+0x5b4/0xe78 [ 87.581065][ T4805] __arm64_sys_mount+0x49c/0x584 [ 87.581825][ T4805] invoke_syscall+0x98/0x2bc [ 87.582561][ T4805] el0_svc_common+0x138/0x258 [ 87.583194][ T4805] do_el0_svc+0x58/0x13c [ 87.583867][ T4805] el0_svc+0x58/0x138 [ 87.584473][ T4805] el0t_64_sync_handler+0x84/0xf0 [ 87.585304][ T4805] el0t_64_sync+0x18c/0x190 [ 87.587309][ T4805] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.589313][ T4805] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.725417][ T4807] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.726642][ T4807] CPU: 0 PID: 4807 Comm: syz.1.177 Tainted: G W syzkaller #0 [ 87.728014][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.729584][ T4807] Call trace: [ 87.730117][ T4807] dump_backtrace+0x1c8/0x1f4 [ 87.730824][ T4807] show_stack+0x2c/0x3c [ 87.731465][ T4807] __dump_stack+0x30/0x40 [ 87.732122][ T4807] dump_stack_lvl+0xf8/0x160 [ 87.732846][ T4807] dump_stack+0x1c/0x5c [ 87.733443][ T4807] sysfs_create_dir_ns+0x22c/0x24c [ 87.734262][ T4807] kobject_add_internal+0x5a8/0xb30 [ 87.734997][ T4807] kobject_init_and_add+0x118/0x17c [ 87.735847][ T4807] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.736602][ T4807] gfs2_fill_super+0xdec/0x19ec [ 87.737406][ T4807] get_tree_bdev+0x358/0x544 [ 87.738135][ T4807] gfs2_get_tree+0x54/0x1b4 [ 87.738864][ T4807] vfs_get_tree+0x90/0x274 [ 87.739509][ T4807] do_new_mount+0x228/0x810 [ 87.740230][ T4807] path_mount+0x5b4/0xe78 [ 87.740877][ T4807] __arm64_sys_mount+0x49c/0x584 [ 87.741692][ T4807] invoke_syscall+0x98/0x2bc [ 87.742404][ T4807] el0_svc_common+0x138/0x258 [ 87.743147][ T4807] do_el0_svc+0x58/0x13c [ 87.743867][ T4807] el0_svc+0x58/0x138 [ 87.744497][ T4807] el0t_64_sync_handler+0x84/0xf0 [ 87.745252][ T4807] el0t_64_sync+0x18c/0x190 [ 87.747246][ T4807] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.749222][ T4807] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.875461][ T4809] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.876787][ T4809] CPU: 1 PID: 4809 Comm: syz.1.178 Tainted: G W syzkaller #0 [ 87.878180][ T4809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.879837][ T4809] Call trace: [ 87.880371][ T4809] dump_backtrace+0x1c8/0x1f4 [ 87.881124][ T4809] show_stack+0x2c/0x3c [ 87.881762][ T4809] __dump_stack+0x30/0x40 [ 87.882441][ T4809] dump_stack_lvl+0xf8/0x160 [ 87.883205][ T4809] dump_stack+0x1c/0x5c [ 87.883924][ T4809] sysfs_create_dir_ns+0x22c/0x24c [ 87.884773][ T4809] kobject_add_internal+0x5a8/0xb30 [ 87.885572][ T4809] kobject_init_and_add+0x118/0x17c [ 87.886405][ T4809] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.887170][ T4809] gfs2_fill_super+0xdec/0x19ec [ 87.887975][ T4809] get_tree_bdev+0x358/0x544 [ 87.888717][ T4809] gfs2_get_tree+0x54/0x1b4 [ 87.889452][ T4809] vfs_get_tree+0x90/0x274 [ 87.890188][ T4809] do_new_mount+0x228/0x810 [ 87.890939][ T4809] path_mount+0x5b4/0xe78 [ 87.891607][ T4809] __arm64_sys_mount+0x49c/0x584 [ 87.892396][ T4809] invoke_syscall+0x98/0x2bc [ 87.893091][ T4809] el0_svc_common+0x138/0x258 [ 87.893790][ T4809] do_el0_svc+0x58/0x13c [ 87.894500][ T4809] el0_svc+0x58/0x138 [ 87.895089][ T4809] el0t_64_sync_handler+0x84/0xf0 [ 87.895892][ T4809] el0t_64_sync+0x18c/0x190 [ 87.897618][ T4809] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.899508][ T4809] gfs2: fsid=syz:syz: error -17 adding sysfs files