arm64_sys_mount+0x514/0x5e4 [ 204.725554][ T6733] invoke_syscall+0x98/0x2b8 [ 204.726295][ T6733] el0_svc_common+0x138/0x258 [ 204.727017][ T6733] do_el0_svc+0x58/0x14c [ 204.727703][ T6733] el0_svc+0x78/0x1e0 [ 204.728350][ T6733] el0t_64_sync_handler+0xcc/0xe4 [ 204.729162][ T6733] el0t_64_sync+0x1a0/0x1a4 [ 204.731601][ T6733] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.733758][ T6733] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.871267][ T6736] loop1: detected capacity change from 0 to 32768 [ 204.906747][ T6736] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.908456][ T6736] CPU: 0 PID: 6736 Comm: syz.1.538 Not tainted 5.15.189-syzkaller #0 [ 204.909676][ T6736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 204.911220][ T6736] Call trace: [ 204.911760][ T6736] dump_backtrace+0x0/0x43c [ 204.912563][ T6736] show_stack+0x2c/0x3c [ 204.913300][ T6736] __dump_stack+0x30/0x40 [ 204.914074][ T6736] dump_stack_lvl+0xf8/0x160 [ 204.914864][ T6736] dump_stack+0x1c/0x5c [ 204.915566][ T6736] sysfs_create_dir_ns+0x22c/0x24c [ 204.916336][ T6736] kobject_add_internal+0x590/0xc54 [ 204.917120][ T6736] kobject_init_and_add+0x118/0x17c [ 204.917965][ T6736] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.918791][ T6736] gfs2_fill_super+0xdac/0x19e0 [ 204.919624][ T6736] get_tree_bdev+0x358/0x544 [ 204.920347][ T6736] gfs2_get_tree+0x54/0x1b4 [ 204.921047][ T6736] vfs_get_tree+0x90/0x274 [ 204.921808][ T6736] do_new_mount+0x228/0x810 [ 204.922566][ T6736] path_mount+0x5b4/0x1000 [ 204.923294][ T6736] __arm64_sys_mount+0x514/0x5e4 [ 204.924041][ T6736] invoke_syscall+0x98/0x2b8 [ 204.924810][ T6736] el0_svc_common+0x138/0x258 [ 204.925658][ T6736] do_el0_svc+0x58/0x14c [ 204.926307][ T6736] el0_svc+0x78/0x1e0 [ 204.926959][ T6736] el0t_64_sync_handler+0xcc/0xe4 [ 204.927774][ T6736] el0t_64_sync+0x1a0/0x1a4 [ 204.928861][ T6736] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.930996][ T6736] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.122376][ T6739] loop1: detected capacity change from 0 to 32768 [ 205.179955][ T6739] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.181115][ T6739] CPU: 1 PID: 6739 Comm: syz.1.539 Not tainted 5.15.189-syzkaller #0 [ 205.182292][ T6739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.183708][ T6739] Call trace: [ 205.184203][ T6739] dump_backtrace+0x0/0x43c [ 205.184840][ T6739] show_stack+0x2c/0x3c [ 205.185516][ T6739] __dump_stack+0x30/0x40 [ 205.186240][ T6739] dump_stack_lvl+0xf8/0x160 [ 205.186857][ T6739] dump_stack+0x1c/0x5c [ 205.187475][ T6739] sysfs_create_dir_ns+0x22c/0x24c [ 205.188341][ T6739] kobject_add_internal+0x590/0xc54 [ 205.189122][ T6739] kobject_init_and_add+0x118/0x17c [ 205.189907][ T6739] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.190630][ T6739] gfs2_fill_super+0xdac/0x19e0 [ 205.191300][ T6739] get_tree_bdev+0x358/0x544 [ 205.192047][ T6739] gfs2_get_tree+0x54/0x1b4 [ 205.192707][ T6739] vfs_get_tree+0x90/0x274 [ 205.193291][ T6739] do_new_mount+0x228/0x810 [ 205.193998][ T6739] path_mount+0x5b4/0x1000 [ 205.194673][ T6739] __arm64_sys_mount+0x514/0x5e4 [ 205.195443][ T6739] invoke_syscall+0x98/0x2b8 [ 205.196093][ T6739] el0_svc_common+0x138/0x258 [ 205.196763][ T6739] do_el0_svc+0x58/0x14c [ 205.197403][ T6739] el0_svc+0x78/0x1e0 [ 205.197998][ T6739] el0t_64_sync_handler+0xcc/0xe4 [ 205.198831][ T6739] el0t_64_sync+0x1a0/0x1a4 [ 205.201188][ T6739] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.203385][ T6739] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.339366][ T6742] loop1: detected capacity change from 0 to 32768 [ 205.347104][ T6742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.348255][ T6742] CPU: 0 PID: 6742 Comm: syz.1.540 Not tainted 5.15.189-syzkaller #0 [ 205.349480][ T6742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.351210][ T6742] Call trace: [ 205.351765][ T6742] dump_backtrace+0x0/0x43c [ 205.352516][ T6742] show_stack+0x2c/0x3c [ 205.353219][ T6742] __dump_stack+0x30/0x40 [ 205.353964][ T6742] dump_stack_lvl+0xf8/0x160 [ 205.354718][ T6742] dump_stack+0x1c/0x5c [ 205.355378][ T6742] sysfs_create_dir_ns+0x22c/0x24c [ 205.356149][ T6742] kobject_add_internal+0x590/0xc54 [ 205.357052][ T6742] kobject_init_and_add+0x118/0x17c [ 205.357945][ T6742] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.358785][ T6742] gfs2_fill_super+0xdac/0x19e0 [ 205.359568][ T6742] get_tree_bdev+0x358/0x544 [ 205.360248][ T6742] gfs2_get_tree+0x54/0x1b4 [ 205.360952][ T6742] vfs_get_tree+0x90/0x274 [ 205.361664][ T6742] do_new_mount+0x228/0x810 [ 205.362418][ T6742] path_mount+0x5b4/0x1000 [ 205.363172][ T6742] __arm64_sys_mount+0x514/0x5e4 [ 205.363974][ T6742] invoke_syscall+0x98/0x2b8 [ 205.364749][ T6742] el0_svc_common+0x138/0x258 [ 205.365539][ T6742] do_el0_svc+0x58/0x14c [ 205.366290][ T6742] el0_svc+0x78/0x1e0 [ 205.366977][ T6742] el0t_64_sync_handler+0xcc/0xe4 [ 205.367833][ T6742] el0t_64_sync+0x1a0/0x1a4 [ 205.370032][ T6742] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.372104][ T6742] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.507432][ T6745] loop1: detected capacity change from 0 to 32768 [ 205.550060][ T6745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.551326][ T6745] CPU: 1 PID: 6745 Comm: syz.1.541 Not tainted 5.15.189-syzkaller #0 [ 205.552572][ T6745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.554220][ T6745] Call trace: [ 205.554723][ T6745] dump_backtrace+0x0/0x43c [ 205.555411][ T6745] show_stack+0x2c/0x3c [ 205.556134][ T6745] __dump_stack+0x30/0x40 [ 205.556753][ T6745] dump_stack_lvl+0xf8/0x160 [ 205.557613][ T6745] dump_stack+0x1c/0x5c [ 205.558278][ T6745] sysfs_create_dir_ns+0x22c/0x24c [ 205.559055][ T6745] kobject_add_internal+0x590/0xc54 [ 205.559834][ T6745] kobject_init_and_add+0x118/0x17c [ 205.560645][ T6745] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.561404][ T6745] gfs2_fill_super+0xdac/0x19e0 [ 205.562203][ T6745] get_tree_bdev+0x358/0x544 [ 205.563013][ T6745] gfs2_get_tree+0x54/0x1b4 [ 205.563735][ T6745] vfs_get_tree+0x90/0x274 [ 205.564467][ T6745] do_new_mount+0x228/0x810 [ 205.565215][ T6745] path_mount+0x5b4/0x1000 [ 205.565965][ T6745] __arm64_sys_mount+0x514/0x5e4 [ 205.566755][ T6745] invoke_syscall+0x98/0x2b8 [ 205.567435][ T6745] el0_svc_common+0x138/0x258 [ 205.568145][ T6745] do_el0_svc+0x58/0x14c [ 205.568761][ T6745] el0_svc+0x78/0x1e0 [ 205.569363][ T6745] el0t_64_sync_handler+0xcc/0xe4 [ 205.570094][ T6745] el0t_64_sync+0x1a0/0x1a4 [ 205.572326][ T6745] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.574630][ T6745] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.706102][ T6748] loop1: detected capacity change from 0 to 32768 [ 205.755976][ T6748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.757572][ T6748] CPU: 1 PID: 6748 Comm: syz.1.542 Not tainted 5.15.189-syzkaller #0 [ 205.758800][ T6748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.760266][ T6748] Call trace: [ 205.760740][ T6748] dump_backtrace+0x0/0x43c [ 205.761362][ T6748] show_stack+0x2c/0x3c [ 205.761982][ T6748] __dump_stack+0x30/0x40 [ 205.762634][ T6748] dump_stack_lvl+0xf8/0x160 [ 205.763276][ T6748] dump_stack+0x1c/0x5c [ 205.763881][ T6748] sysfs_create_dir_ns+0x22c/0x24c [ 205.764608][ T6748] kobject_add_internal+0x590/0xc54 [ 205.765454][ T6748] kobject_init_and_add+0x118/0x17c [ 205.766254][ T6748] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.767059][ T6748] gfs2_fill_super+0xdac/0x19e0 [ 205.767895][ T6748] get_tree_bdev+0x358/0x544 [ 205.768624][ T6748] gfs2_get_tree+0x54/0x1b4 [ 205.769409][ T6748] vfs_get_tree+0x90/0x274 [ 205.770085][ T6748] do_new_mount+0x228/0x810 [ 205.770790][ T6748] path_mount+0x5b4/0x1000 [ 205.771445][ T6748] __arm64_sys_mount+0x514/0x5e4 [ 205.772286][ T6748] invoke_syscall+0x98/0x2b8 [ 205.773054][ T6748] el0_svc_common+0x138/0x258 [ 205.773891][ T6748] do_el0_svc+0x58/0x14c [ 205.774570][ T6748] el0_svc+0x78/0x1e0 [ 205.775221][ T6748] el0t_64_sync_handler+0xcc/0xe4 [ 205.776047][ T6748] el0t_64_sync+0x1a0/0x1a4 [ 205.777557][ T6748] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.779632][ T6748] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.910262][ T6751] loop1: detected capacity change from 0 to 32768 [ 205.944835][ T6751] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.946156][ T6751] CPU: 1 PID: 6751 Comm: syz.1.543 Not tainted 5.15.189-syzkaller #0 [ 205.947356][ T6751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.948859][ T6751] Call trace: [ 205.949337][ T6751] dump_backtrace+0x0/0x43c [ 205.950134][ T6751] show_stack+0x2c/0x3c [ 205.950812][ T6751] __dump_stack+0x30/0x40 [ 205.951477][ T6751] dump_stack_lvl+0xf8/0x160 [ 205.952248][ T6751] dump_stack+0x1c/0x5c [ 205.952868][ T6751] sysfs_create_dir_ns+0x22c/0x24c [ 205.953651][ T6751] kobject_add_internal+0x590/0xc54 [ 205.954440][ T6751] kobject_init_and_add+0x118/0x17c [ 205.955177][ T6751] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.955905][ T6751] gfs2_fill_super+0xdac/0x19e0 [ 205.956684][ T6751] get_tree_bdev+0x358/0x544 [ 205.957379][ T6751] gfs2_get_tree+0x54/0x1b4 [ 205.958006][ T6751] vfs_get_tree+0x90/0x274 [ 205.958747][ T6751] do_new_mount+0x228/0x810 [ 205.959406][ T6751] path_mount+0x5b4/0x1000 [ 205.960025][ T6751] __arm64_sys_mount+0x514/0x5e4 [ 205.960715][ T6751] invoke_syscall+0x98/0x2b8 [ 205.961404][ T6751] el0_svc_common+0x138/0x258 [ 205.962073][ T6751] do_el0_svc+0x58/0x14c [ 205.962657][ T6751] el0_svc+0x78/0x1e0 [ 205.963189][ T6751] el0t_64_sync_handler+0xcc/0xe4 [ 205.963887][ T6751] el0t_64_sync+0x1a0/0x1a4 [ 205.966495][ T6751] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.968613][ T6751] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.232256][ T6754] loop1: detected capacity change from 0 to 32768 [ 206.239305][ T6754] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.240691][ T6754] CPU: 1 PID: 6754 Comm: syz.1.544 Not tainted 5.15.189-syzkaller #0 [ 206.241990][ T6754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.243414][ T6754] Call trace: [ 206.243877][ T6754] dump_backtrace+0x0/0x43c [ 206.244504][ T6754] show_stack+0x2c/0x3c [ 206.245076][ T6754] __dump_stack+0x30/0x40 [ 206.245691][ T6754] dump_stack_lvl+0xf8/0x160 [ 206.246422][ T6754] dump_stack+0x1c/0x5c [ 206.247132][ T6754] sysfs_create_dir_ns+0x22c/0x24c [ 206.248302][ T6754] kobject_add_internal+0x590/0xc54 [ 206.249167][ T6754] kobject_init_and_add+0x118/0x17c [ 206.250044][ T6754] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.250735][ T6754] gfs2_fill_super+0xdac/0x19e0 [ 206.251546][ T6754] get_tree_bdev+0x358/0x544 [ 206.252225][ T6754] gfs2_get_tree+0x54/0x1b4 [ 206.252927][ T6754] vfs_get_tree+0x90/0x274 [ 206.253610][ T6754] do_new_mount+0x228/0x810 [ 206.254328][ T6754] path_mount+0x5b4/0x1000 [ 206.255062][ T6754] __arm64_sys_mount+0x514/0x5e4 [ 206.255919][ T6754] invoke_syscall+0x98/0x2b8 [ 206.256571][ T6754] el0_svc_common+0x138/0x258 [ 206.257258][ T6754] do_el0_svc+0x58/0x14c [ 206.257959][ T6754] el0_svc+0x78/0x1e0 [ 206.258615][ T6754] el0t_64_sync_handler+0xcc/0xe4 [ 206.259407][ T6754] el0t_64_sync+0x1a0/0x1a4 [ 206.262570][ T6754] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.264782][ T6754] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.398791][ T6757] loop1: detected capacity change from 0 to 32768 [ 206.406538][ T6757] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.407805][ T6757] CPU: 0 PID: 6757 Comm: syz.1.545 Not tainted 5.15.189-syzkaller #0 [ 206.409067][ T6757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.410563][ T6757] Call trace: [ 206.411058][ T6757] dump_backtrace+0x0/0x43c [ 206.411663][ T6757] show_stack+0x2c/0x3c [ 206.412251][ T6757] __dump_stack+0x30/0x40 [ 206.412882][ T6757] dump_stack_lvl+0xf8/0x160 [ 206.413563][ T6757] dump_stack+0x1c/0x5c [ 206.414158][ T6757] sysfs_create_dir_ns+0x22c/0x24c [ 206.414886][ T6757] kobject_add_internal+0x590/0xc54 [ 206.415699][ T6757] kobject_init_and_add+0x118/0x17c [ 206.416587][ T6757] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.417435][ T6757] gfs2_fill_super+0xdac/0x19e0 [ 206.418219][ T6757] get_tree_bdev+0x358/0x544 [ 206.419027][ T6757] gfs2_get_tree+0x54/0x1b4 [ 206.419786][ T6757] vfs_get_tree+0x90/0x274 [ 206.420529][ T6757] do_new_mount+0x228/0x810 [ 206.421266][ T6757] path_mount+0x5b4/0x1000 [ 206.421977][ T6757] __arm64_sys_mount+0x514/0x5e4 [ 206.422735][ T6757] invoke_syscall+0x98/0x2b8 [ 206.423496][ T6757] el0_svc_common+0x138/0x258 [ 206.424350][ T6757] do_el0_svc+0x58/0x14c [ 206.425112][ T6757] el0_svc+0x78/0x1e0 [ 206.425759][ T6757] el0t_64_sync_handler+0xcc/0xe4 [ 206.426597][ T6757] el0t_64_sync+0x1a0/0x1a4 [ 206.428787][ T6757] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.430689][ T6757] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.574827][ T6760] loop1: detected capacity change from 0 to 32768 [ 206.582182][ T6760] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.585093][ T6760] CPU: 1 PID: 6760 Comm: syz.1.546 Not tainted 5.15.189-syzkaller #0 [ 206.586409][ T6760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.587962][ T6760] Call trace: [ 206.588433][ T6760] dump_backtrace+0x0/0x43c [ 206.589114][ T6760] show_stack+0x2c/0x3c [ 206.589857][ T6760] __dump_stack+0x30/0x40 [ 206.590555][ T6760] dump_stack_lvl+0xf8/0x160 [ 206.591258][ T6760] dump_stack+0x1c/0x5c [ 206.591914][ T6760] sysfs_create_dir_ns+0x22c/0x24c [ 206.592727][ T6760] kobject_add_internal+0x590/0xc54 [ 206.593534][ T6760] kobject_init_and_add+0x118/0x17c [ 206.594340][ T6760] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.595077][ T6760] gfs2_fill_super+0xdac/0x19e0 [ 206.595816][ T6760] get_tree_bdev+0x358/0x544 [ 206.596562][ T6760] gfs2_get_tree+0x54/0x1b4 [ 206.597277][ T6760] vfs_get_tree+0x90/0x274 [ 206.597938][ T6760] do_new_mount+0x228/0x810 [ 206.598619][ T6760] path_mount+0x5b4/0x1000 [ 206.599281][ T6760] __arm64_sys_mount+0x514/0x5e4 [ 206.600033][ T6760] invoke_syscall+0x98/0x2b8 [ 206.600704][ T6760] el0_svc_common+0x138/0x258 [ 206.601496][ T6760] do_el0_svc+0x58/0x14c [ 206.602268][ T6760] el0_svc+0x78/0x1e0 [ 206.602929][ T6760] el0t_64_sync_handler+0xcc/0xe4 [ 206.603715][ T6760] el0t_64_sync+0x1a0/0x1a4 [ 206.605841][ T6760] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.607757][ T6760] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.747127][ T6763] loop1: detected capacity change from 0 to 32768 [ 206.794842][ T6763] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.796122][ T6763] CPU: 1 PID: 6763 Comm: syz.1.547 Not tainted 5.15.189-syzkaller #0 [ 206.797330][ T6763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.798941][ T6763] Call trace: [ 206.799436][ T6763] dump_backtrace+0x0/0x43c [ 206.800119][ T6763] show_stack+0x2c/0x3c [ 206.800726][ T6763] __dump_stack+0x30/0x40 [ 206.801438][ T6763] dump_stack_lvl+0xf8/0x160 [ 206.802093][ T6763] dump_stack+0x1c/0x5c [ 206.802696][ T6763] sysfs_create_dir_ns+0x22c/0x24c [ 206.803414][ T6763] kobject_add_internal+0x590/0xc54 [ 206.804139][ T6763] kobject_init_and_add+0x118/0x17c [ 206.804864][ T6763] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.805530][ T6763] gfs2_fill_super+0xdac/0x19e0 [ 206.806218][ T6763] get_tree_bdev+0x358/0x544 [ 206.806870][ T6763] gfs2_get_tree+0x54/0x1b4 [ 206.807495][ T6763] vfs_get_tree+0x90/0x274 [ 206.808110][ T6763] do_new_mount+0x228/0x810 [ 206.808745][ T6763] path_mount+0x5b4/0x1000 [ 206.809418][ T6763] __arm64_sys_mount+0x514/0x5e4 [ 206.810195][ T6763] invoke_syscall+0x98/0x2b8 [ 206.810930][ T6763] el0_svc_common+0x138/0x258 [ 206.811625][ T6763] do_el0_svc+0x58/0x14c [ 206.812342][ T6763] el0_svc+0x78/0x1e0 [ 206.812966][ T6763] el0t_64_sync_handler+0xcc/0xe4 [ 206.813801][ T6763] el0t_64_sync+0x1a0/0x1a4 [ 206.816191][ T6763] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.818264][ T6763] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.953181][ T6766] loop1: detected capacity change from 0 to 32768 [ 206.962432][ T6766] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.963988][ T6766] CPU: 0 PID: 6766 Comm: syz.1.548 Not tainted 5.15.189-syzkaller #0 [ 206.965251][ T6766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.966803][ T6766] Call trace: [ 206.967263][ T6766] dump_backtrace+0x0/0x43c [ 206.967906][ T6766] show_stack+0x2c/0x3c [ 206.968525][ T6766] __dump_stack+0x30/0x40 [ 206.969229][ T6766] dump_stack_lvl+0xf8/0x160 [ 206.969919][ T6766] dump_stack+0x1c/0x5c [ 206.970500][ T6766] sysfs_create_dir_ns+0x22c/0x24c [ 206.971358][ T6766] kobject_add_internal+0x590/0xc54 [ 206.972107][ T6766] kobject_init_and_add+0x118/0x17c [ 206.972865][ T6766] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.973589][ T6766] gfs2_fill_super+0xdac/0x19e0 [ 206.974303][ T6766] get_tree_bdev+0x358/0x544 [ 206.974956][ T6766] gfs2_get_tree+0x54/0x1b4 [ 206.975662][ T6766] vfs_get_tree+0x90/0x274 [ 206.976362][ T6766] do_new_mount+0x228/0x810 [ 206.977053][ T6766] path_mount+0x5b4/0x1000 [ 206.977709][ T6766] __arm64_sys_mount+0x514/0x5e4 [ 206.978544][ T6766] invoke_syscall+0x98/0x2b8 [ 206.979258][ T6766] el0_svc_common+0x138/0x258 [ 206.980003][ T6766] do_el0_svc+0x58/0x14c [ 206.980638][ T6766] el0_svc+0x78/0x1e0 [ 206.981199][ T6766] el0t_64_sync_handler+0xcc/0xe4 [ 206.981974][ T6766] el0t_64_sync+0x1a0/0x1a4 [ 206.982836][ T6766] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.985054][ T6766] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:27 executed programs: 535 [ 207.156250][ T6769] loop1: detected capacity change from 0 to 32768 [ 207.196262][ T6769] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.197552][ T6769] CPU: 0 PID: 6769 Comm: syz.1.549 Not tainted 5.15.189-syzkaller #0 [ 207.198833][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.200482][ T6769] Call trace: [ 207.200982][ T6769] dump_backtrace+0x0/0x43c [ 207.201704][ T6769] show_stack+0x2c/0x3c [ 207.202342][ T6769] __dump_stack+0x30/0x40 [ 207.203057][ T6769] dump_stack_lvl+0xf8/0x160 [ 207.203818][ T6769] dump_stack+0x1c/0x5c [ 207.204432][ T6769] sysfs_create_dir_ns+0x22c/0x24c [ 207.205154][ T6769] kobject_add_internal+0x590/0xc54 [ 207.205906][ T6769] kobject_init_and_add+0x118/0x17c [ 207.206674][ T6769] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.207340][ T6769] gfs2_fill_super+0xdac/0x19e0 [ 207.208030][ T6769] get_tree_bdev+0x358/0x544 [ 207.208704][ T6769] gfs2_get_tree+0x54/0x1b4 [ 207.209330][ T6769] vfs_get_tree+0x90/0x274 [ 207.209928][ T6769] do_new_mount+0x228/0x810 [ 207.210564][ T6769] path_mount+0x5b4/0x1000 [ 207.211163][ T6769] __arm64_sys_mount+0x514/0x5e4 [ 207.211862][ T6769] invoke_syscall+0x98/0x2b8 [ 207.212541][ T6769] el0_svc_common+0x138/0x258 [ 207.213168][ T6769] do_el0_svc+0x58/0x14c [ 207.213833][ T6769] el0_svc+0x78/0x1e0 [ 207.214437][ T6769] el0t_64_sync_handler+0xcc/0xe4 [ 207.215163][ T6769] el0t_64_sync+0x1a0/0x1a4 [ 207.216657][ T6769] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.218974][ T6769] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.443275][ T6772] loop1: detected capacity change from 0 to 32768 [ 207.451244][ T6772] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.452430][ T6772] CPU: 1 PID: 6772 Comm: syz.1.550 Not tainted 5.15.189-syzkaller #0 [ 207.453552][ T6772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.455046][ T6772] Call trace: [ 207.455517][ T6772] dump_backtrace+0x0/0x43c [ 207.456201][ T6772] show_stack+0x2c/0x3c [ 207.456879][ T6772] __dump_stack+0x30/0x40 [ 207.457588][ T6772] dump_stack_lvl+0xf8/0x160 [ 207.458381][ T6772] dump_stack+0x1c/0x5c [ 207.459099][ T6772] sysfs_create_dir_ns+0x22c/0x24c [ 207.459852][ T6772] kobject_add_internal+0x590/0xc54 [ 207.460631][ T6772] kobject_init_and_add+0x118/0x17c [ 207.461386][ T6772] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.462169][ T6772] gfs2_fill_super+0xdac/0x19e0 [ 207.462927][ T6772] get_tree_bdev+0x358/0x544 [ 207.463608][ T6772] gfs2_get_tree+0x54/0x1b4 [ 207.464283][ T6772] vfs_get_tree+0x90/0x274 [ 207.464936][ T6772] do_new_mount+0x228/0x810 [ 207.465566][ T6772] path_mount+0x5b4/0x1000 [ 207.466177][ T6772] __arm64_sys_mount+0x514/0x5e4 [ 207.466867][ T6772] invoke_syscall+0x98/0x2b8 [ 207.467638][ T6772] el0_svc_common+0x138/0x258 [ 207.468447][ T6772] do_el0_svc+0x58/0x14c [ 207.469126][ T6772] el0_svc+0x78/0x1e0 [ 207.469770][ T6772] el0t_64_sync_handler+0xcc/0xe4 [ 207.470623][ T6772] el0t_64_sync+0x1a0/0x1a4 [ 207.474799][ T6772] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.477116][ T6772] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.609327][ T6775] loop1: detected capacity change from 0 to 32768 [ 207.689184][ T6775] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.690525][ T6775] CPU: 1 PID: 6775 Comm: syz.1.551 Not tainted 5.15.189-syzkaller #0 [ 207.691729][ T6775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.693110][ T6775] Call trace: [ 207.693567][ T6775] dump_backtrace+0x0/0x43c [ 207.694302][ T6775] show_stack+0x2c/0x3c [ 207.694930][ T6775] __dump_stack+0x30/0x40 [ 207.695571][ T6775] dump_stack_lvl+0xf8/0x160 [ 207.696271][ T6775] dump_stack+0x1c/0x5c [ 207.696865][ T6775] sysfs_create_dir_ns+0x22c/0x24c [ 207.697669][ T6775] kobject_add_internal+0x590/0xc54 [ 207.698507][ T6775] kobject_init_and_add+0x118/0x17c [ 207.699389][ T6775] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.700185][ T6775] gfs2_fill_super+0xdac/0x19e0 [ 207.701001][ T6775] get_tree_bdev+0x358/0x544 [ 207.701809][ T6775] gfs2_get_tree+0x54/0x1b4 [ 207.702551][ T6775] vfs_get_tree+0x90/0x274 [ 207.703219][ T6775] do_new_mount+0x228/0x810 [ 207.703897][ T6775] path_mount+0x5b4/0x1000 [ 207.704607][ T6775] __arm64_sys_mount+0x514/0x5e4 [ 207.705412][ T6775] invoke_syscall+0x98/0x2b8 [ 207.706196][ T6775] el0_svc_common+0x138/0x258 [ 207.706976][ T6775] do_el0_svc+0x58/0x14c [ 207.707710][ T6775] el0_svc+0x78/0x1e0 [ 207.708318][ T6775] el0t_64_sync_handler+0xcc/0xe4 [ 207.709140][ T6775] el0t_64_sync+0x1a0/0x1a4 [ 207.711330][ T6775] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.713327][ T6775] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.849391][ T6778] loop1: detected capacity change from 0 to 32768 [ 207.895369][ T6778] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.896596][ T6778] CPU: 0 PID: 6778 Comm: syz.1.552 Not tainted 5.15.189-syzkaller #0 [ 207.897773][ T6778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.899491][ T6778] Call trace: [ 207.900088][ T6778] dump_backtrace+0x0/0x43c [ 207.900850][ T6778] show_stack+0x2c/0x3c [ 207.901560][ T6778] __dump_stack+0x30/0x40 [ 207.902261][ T6778] dump_stack_lvl+0xf8/0x160 [ 207.903040][ T6778] dump_stack+0x1c/0x5c [ 207.903679][ T6778] sysfs_create_dir_ns+0x22c/0x24c [ 207.904516][ T6778] kobject_add_internal+0x590/0xc54 [ 207.905357][ T6778] kobject_init_and_add+0x118/0x17c [ 207.906233][ T6778] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.907026][ T6778] gfs2_fill_super+0xdac/0x19e0 [ 207.907826][ T6778] get_tree_bdev+0x358/0x544 [ 207.908521][ T6778] gfs2_get_tree+0x54/0x1b4 [ 207.909249][ T6778] vfs_get_tree+0x90/0x274 [ 207.909937][ T6778] do_new_mount+0x228/0x810 [ 207.910614][ T6778] path_mount+0x5b4/0x1000 [ 207.911247][ T6778] __arm64_sys_mount+0x514/0x5e4 [ 207.912014][ T6778] invoke_syscall+0x98/0x2b8 [ 207.912694][ T6778] el0_svc_common+0x138/0x258 [ 207.913418][ T6778] do_el0_svc+0x58/0x14c [ 207.914026][ T6778] el0_svc+0x78/0x1e0 [ 207.914601][ T6778] el0t_64_sync_handler+0xcc/0xe4 [ 207.915337][ T6778] el0t_64_sync+0x1a0/0x1a4 [ 207.916258][ T6778] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.918340][ T6778] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.169423][ T6781] loop1: detected capacity change from 0 to 32768 [ 208.208194][ T6781] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.209356][ T6781] CPU: 0 PID: 6781 Comm: syz.1.553 Not tainted 5.15.189-syzkaller #0 [ 208.210528][ T6781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 208.212162][ T6781] Call trace: [ 208.212663][ T6781] dump_backtrace+0x0/0x43c [ 208.213366][ T6781] show_stack+0x2c/0x3c [ 208.213973][ T6781] __dump_stack+0x30/0x40 [ 208.214594][ T6781] dump_stack_lvl+0xf8/0x160 [ 208.215296][ T6781] dump_stack+0x1c/0x5c [ 208.216024][ T6781] sysfs_create_dir_ns+0x22c/0x24c [ 208.216886][ T6781] kobject_add_internal+0x590/0xc54 [ 208.217714][ T6781] kobject_init_and_add+0x118/0x17c [ 208.218500][ T6781] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.219230][ T6781] gfs2_fill_super+0xdac/0x19e0 [ 208.219994][ T6781] get_tree_bdev+0x358/0x544 [ 208.220767][ T6781] gfs2_get_tree+0x54/0x1b4 [ 208.221498][ T6781] vfs_get_tree+0x90/0x274 [ 208.222223][ T6781] do_new_mount+0x228/0x810 [ 208.222962][ T6781] path_mount+0x5b4/0x1000 [ 208.223662][ T6781] __arm64_sys_mount+0x514/0x5e4 [ 208.224458][ T6781] invoke_syscall+0x98/0x2b8 [ 208.225188][ T6781] el0_svc_common+0x138/0x258 [ 208.225971][ T6781] do_el0_svc+0x58/0x14c [ 208.226654][ T6781] el0_svc+0x78/0x1e0 [ 208.227298][ T6781] el0t_64_sync_handler+0xcc/0xe4 [ 208.228112][ T6781] el0t_64_sync+0x1a0/0x1a4 [ 208.229111][ T6781] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.231203][ T6781] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.369745][ T6784] loop1: detected capacity change from 0 to 32768 [ 208.449333][ T6784] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.450593][ T6784] CPU: 0 PID: 6784 Comm: syz.1.554 Not tainted 5.15.189-syzkaller #0 [ 208.451953][ T6784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 208.453604][ T6784] Call trace: [ 208.454208][ T6784] dump_backtrace+0x0/0x43c [ 208.454921][ T6784] show_stack+0x2c/0x3c [ 208.455641][ T6784] __dump_stack+0x30/0x40 [ 208.456382][ T6784] dump_stack_lvl+0xf8/0x160 [ 208.457159][ T6784] dump_stack+0x1c/0x5c [ 208.457870][ T6784] sysfs_create_dir_ns+0x22c/0x24c [ 208.458807][ T6784] kobject_add_internal+0x590/0xc54 [ 208.459677][ T6784] kobject_init_and_add+0x118/0x17c [ 208.460477][ T6784] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.461251][ T6784] gfs2_fill_super+0xdac/0x19e0 [ 208.462089][ T6784] get_tree_bdev+0x358/0x544 [ 208.462824][ T6784] gfs2_get_tree+0x54/0x1b4 [ 208.463538][ T6784] vfs_get_tree+0x90/0x274 [ 208.464296][ T6784] do_new_mount+0x228/0x810 [ 208.465072][ T6784] path_mount+0x5b4/0x1000 [ 208.465821][ T6784] __arm64_sys_mount+0x514/0x5e4 [ 208.466712][ T6784] invoke_syscall+0x98/0x2b8 [ 208.467516][ T6784] el0_svc_common+0x138/0x258 [ 208.468288][ T6784] do_el0_svc+0x58/0x14c [ 208.468982][ T6784] el0_svc+0x78/0x1e0 [ 208.469600][ T6784] el0t_64_sync_handler+0xcc/0xe4 [ 208.470411][ T6784] el0t_64_sync+0x1a0/0x1a4 [ 208.471313][ T6784] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.475259][ T6784] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.611176][ T6787] loop1: detected capacity change from 0 to 32768 [ 208.619993][ T6787] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.621318][ T6787] CPU: 0 PID: 6787 Comm: syz.1.555 Not tainted 5.15.189-syzkaller #0 [ 208.622661][ T6787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 208.624296][ T6787] Call trace: [ 208.624811][ T6787] dump_backtrace+0x0/0x43c [ 208.625533][ T6787] show_stack+0x2c/0x3c [ 208.626243][ T6787] __dump_stack+0x30/0x40 [ 208.626948][ T6787] dump_stack_lvl+0xf8/0x160 [ 208.627739][ T6787] dump_stack+0x1c/0x5c [ 208.628441][ T6787] sysfs_create_dir_ns+0x22c/0x24c [ 208.629312][ T6787] kobject_add_internal+0x590/0xc54 [ 208.630199][ T6787] kobject_init_and_add+0x118/0x17c [ 208.631026][ T6787] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.631743][ T6787] gfs2_fill_super+0xdac/0x19e0 [ 208.632468][ T6787] get_tree_bdev+0x358/0x544 [ 208.633195][ T6787] gfs2_get_tree+0x54/0x1b4 [ 208.633944][ T6787] vfs_get_tree+0x90/0x274 [ 208.634663][ T6787] do_new_mount+0x228/0x810 [ 208.635400][ T6787] path_mount+0x5b4/0x1000 [ 208.636137][ T6787] __arm64_sys_mount+0x514/0x5e4 [ 208.636956][ T6787] invoke_syscall+0x98/0x2b8 [ 208.637654][ T6787] el0_svc_common+0x138/0x258 [ 208.638388][ T6787] do_el0_svc+0x58/0x14c [ 208.639065][ T6787] el0_svc+0x78/0x1e0 [ 208.639685][ T6787] el0t_64_sync_handler+0xcc/0xe4 [ 208.640443][ T6787] el0t_64_sync+0x1a0/0x1a4 [ 208.641548][ T6787] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.643829][ T6787] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.889805][ T6790] loop1: detected capacity change from 0 to 32768 [ 208.933258][ T6790] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.935409][ T6790] CPU: 1 PID: 6790 Comm: syz.1.556 Not tainted 5.15.189-syzkaller #0 [ 208.936509][ T6790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 208.937912][ T6790] Call trace: [ 208.938394][ T6790] dump_backtrace+0x0/0x43c [ 208.939053][ T6790] show_stack+0x2c/0x3c [ 208.939653][ T6790] __dump_stack+0x30/0x40 [ 208.940294][ T6790] dump_stack_lvl+0xf8/0x160 [ 208.940952][ T6790] dump_stack+0x1c/0x5c [ 208.941611][ T6790] sysfs_create_dir_ns+0x22c/0x24c [ 208.942405][ T6790] kobject_add_internal+0x590/0xc54 [ 208.943224][ T6790] kobject_init_and_add+0x118/0x17c [ 208.944076][ T6790] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.944901][ T6790] gfs2_fill_super+0xdac/0x19e0 [ 208.945683][ T6790] get_tree_bdev+0x358/0x544 [ 208.946419][ T6790] gfs2_get_tree+0x54/0x1b4 [ 208.947063][ T6790] vfs_get_tree+0x90/0x274 [ 208.947769][ T6790] do_new_mount+0x228/0x810 [ 208.948498][ T6790] path_mount+0x5b4/0x1000 [ 208.949195][ T6790] __arm64_sys_mount+0x514/0x5e4 [ 208.950014][ T6790] invoke_syscall+0x98/0x2b8 [ 208.950851][ T6790] el0_svc_common+0x138/0x258 [ 208.951616][ T6790] do_el0_svc+0x58/0x14c [ 208.952352][ T6790] el0_svc+0x78/0x1e0 [ 208.953011][ T6790] el0t_64_sync_handler+0xcc/0xe4 [ 208.953848][ T6790] el0t_64_sync+0x1a0/0x1a4 [ 208.955980][ T6790] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.958164][ T6790] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.093915][ T6793] loop1: detected capacity change from 0 to 32768 [ 209.101906][ T6793] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.103149][ T6793] CPU: 1 PID: 6793 Comm: syz.1.557 Not tainted 5.15.189-syzkaller #0 [ 209.104503][ T6793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.106188][ T6793] Call trace: [ 209.106702][ T6793] dump_backtrace+0x0/0x43c [ 209.107413][ T6793] show_stack+0x2c/0x3c [ 209.107993][ T6793] __dump_stack+0x30/0x40 [ 209.108631][ T6793] dump_stack_lvl+0xf8/0x160 [ 209.109306][ T6793] dump_stack+0x1c/0x5c [ 209.109960][ T6793] sysfs_create_dir_ns+0x22c/0x24c [ 209.110768][ T6793] kobject_add_internal+0x590/0xc54 [ 209.111637][ T6793] kobject_init_and_add+0x118/0x17c [ 209.112499][ T6793] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.113295][ T6793] gfs2_fill_super+0xdac/0x19e0 [ 209.114023][ T6793] get_tree_bdev+0x358/0x544 [ 209.114731][ T6793] gfs2_get_tree+0x54/0x1b4 [ 209.115378][ T6793] vfs_get_tree+0x90/0x274 [ 209.116107][ T6793] do_new_mount+0x228/0x810 [ 209.116826][ T6793] path_mount+0x5b4/0x1000 [ 209.117502][ T6793] __arm64_sys_mount+0x514/0x5e4 [ 209.118295][ T6793] invoke_syscall+0x98/0x2b8 [ 209.119026][ T6793] el0_svc_common+0x138/0x258 [ 209.119787][ T6793] do_el0_svc+0x58/0x14c [ 209.120484][ T6793] el0_svc+0x78/0x1e0 [ 209.121100][ T6793] el0t_64_sync_handler+0xcc/0xe4 [ 209.121850][ T6793] el0t_64_sync+0x1a0/0x1a4 [ 209.124238][ T6793] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.126257][ T6793] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.265234][ T6796] loop1: detected capacity change from 0 to 32768 [ 209.304833][ T6796] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.306267][ T6796] CPU: 0 PID: 6796 Comm: syz.1.558 Not tainted 5.15.189-syzkaller #0 [ 209.307445][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.308945][ T6796] Call trace: [ 209.309501][ T6796] dump_backtrace+0x0/0x43c [ 209.310253][ T6796] show_stack+0x2c/0x3c [ 209.310900][ T6796] __dump_stack+0x30/0x40 [ 209.311557][ T6796] dump_stack_lvl+0xf8/0x160 [ 209.312242][ T6796] dump_stack+0x1c/0x5c [ 209.312890][ T6796] sysfs_create_dir_ns+0x22c/0x24c [ 209.313733][ T6796] kobject_add_internal+0x590/0xc54 [ 209.314579][ T6796] kobject_init_and_add+0x118/0x17c [ 209.315384][ T6796] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.316107][ T6796] gfs2_fill_super+0xdac/0x19e0 [ 209.316783][ T6796] get_tree_bdev+0x358/0x544 [ 209.317465][ T6796] gfs2_get_tree+0x54/0x1b4 [ 209.318084][ T6796] vfs_get_tree+0x90/0x274 [ 209.318708][ T6796] do_new_mount+0x228/0x810 [ 209.319338][ T6796] path_mount+0x5b4/0x1000 [ 209.319971][ T6796] __arm64_sys_mount+0x514/0x5e4 [ 209.320693][ T6796] invoke_syscall+0x98/0x2b8 [ 209.321373][ T6796] el0_svc_common+0x138/0x258 [ 209.322047][ T6796] do_el0_svc+0x58/0x14c [ 209.322646][ T6796] el0_svc+0x78/0x1e0 [ 209.323189][ T6796] el0t_64_sync_handler+0xcc/0xe4 [ 209.323897][ T6796] el0t_64_sync+0x1a0/0x1a4 [ 209.325999][ T6796] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.328122][ T6796] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.592114][ T6799] loop1: detected capacity change from 0 to 32768 [ 209.689597][ T6799] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.690907][ T6799] CPU: 0 PID: 6799 Comm: syz.1.559 Not tainted 5.15.189-syzkaller #0 [ 209.692144][ T6799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.693635][ T6799] Call trace: [ 209.694099][ T6799] dump_backtrace+0x0/0x43c [ 209.694805][ T6799] show_stack+0x2c/0x3c [ 209.695433][ T6799] __dump_stack+0x30/0x40 [ 209.696077][ T6799] dump_stack_lvl+0xf8/0x160 [ 209.696784][ T6799] dump_stack+0x1c/0x5c [ 209.697408][ T6799] sysfs_create_dir_ns+0x22c/0x24c [ 209.698179][ T6799] kobject_add_internal+0x590/0xc54 [ 209.698999][ T6799] kobject_init_and_add+0x118/0x17c [ 209.699760][ T6799] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.700527][ T6799] gfs2_fill_super+0xdac/0x19e0 [ 209.701253][ T6799] get_tree_bdev+0x358/0x544 [ 209.701967][ T6799] gfs2_get_tree+0x54/0x1b4 [ 209.702625][ T6799] vfs_get_tree+0x90/0x274 [ 209.703291][ T6799] do_new_mount+0x228/0x810 [ 209.703935][ T6799] path_mount+0x5b4/0x1000 [ 209.704562][ T6799] __arm64_sys_mount+0x514/0x5e4 [ 209.705409][ T6799] invoke_syscall+0x98/0x2b8 [ 209.706158][ T6799] el0_svc_common+0x138/0x258 [ 209.706938][ T6799] do_el0_svc+0x58/0x14c [ 209.707654][ T6799] el0_svc+0x78/0x1e0 [ 209.708287][ T6799] el0t_64_sync_handler+0xcc/0xe4 [ 209.709059][ T6799] el0t_64_sync+0x1a0/0x1a4 [ 209.711247][ T6799] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.713162][ T6799] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.860585][ T6802] loop1: detected capacity change from 0 to 32768 [ 209.868921][ T6802] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.870148][ T6802] CPU: 1 PID: 6802 Comm: syz.1.560 Not tainted 5.15.189-syzkaller #0 [ 209.871315][ T6802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.872762][ T6802] Call trace: [ 209.873260][ T6802] dump_backtrace+0x0/0x43c [ 209.873977][ T6802] show_stack+0x2c/0x3c [ 209.874636][ T6802] __dump_stack+0x30/0x40 [ 209.875301][ T6802] dump_stack_lvl+0xf8/0x160 [ 209.875994][ T6802] dump_stack+0x1c/0x5c [ 209.876611][ T6802] sysfs_create_dir_ns+0x22c/0x24c [ 209.877389][ T6802] kobject_add_internal+0x590/0xc54 [ 209.878210][ T6802] kobject_init_and_add+0x118/0x17c [ 209.878992][ T6802] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.879703][ T6802] gfs2_fill_super+0xdac/0x19e0 [ 209.880530][ T6802] get_tree_bdev+0x358/0x544 [ 209.881259][ T6802] gfs2_get_tree+0x54/0x1b4 [ 209.881988][ T6802] vfs_get_tree+0x90/0x274 [ 209.882793][ T6802] do_new_mount+0x228/0x810 [ 209.883556][ T6802] path_mount+0x5b4/0x1000 [ 209.884235][ T6802] __arm64_sys_mount+0x514/0x5e4 [ 209.884946][ T6802] invoke_syscall+0x98/0x2b8 [ 209.885705][ T6802] el0_svc_common+0x138/0x258 [ 209.886467][ T6802] do_el0_svc+0x58/0x14c [ 209.887098][ T6802] el0_svc+0x78/0x1e0 [ 209.887694][ T6802] el0t_64_sync_handler+0xcc/0xe4 [ 209.888408][ T6802] el0t_64_sync+0x1a0/0x1a4 [ 209.890471][ T6802] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.892487][ T6802] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.036986][ T6805] loop1: detected capacity change from 0 to 32768 [ 210.094809][ T6805] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.096065][ T6805] CPU: 0 PID: 6805 Comm: syz.1.561 Not tainted 5.15.189-syzkaller #0 [ 210.097287][ T6805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.098855][ T6805] Call trace: [ 210.099318][ T6805] dump_backtrace+0x0/0x43c [ 210.099990][ T6805] show_stack+0x2c/0x3c [ 210.100609][ T6805] __dump_stack+0x30/0x40 [ 210.101209][ T6805] dump_stack_lvl+0xf8/0x160 [ 210.101877][ T6805] dump_stack+0x1c/0x5c [ 210.102500][ T6805] sysfs_create_dir_ns+0x22c/0x24c [ 210.103293][ T6805] kobject_add_internal+0x590/0xc54 [ 210.104110][ T6805] kobject_init_and_add+0x118/0x17c [ 210.104998][ T6805] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.105802][ T6805] gfs2_fill_super+0xdac/0x19e0 [ 210.106578][ T6805] get_tree_bdev+0x358/0x544 [ 210.107337][ T6805] gfs2_get_tree+0x54/0x1b4 [ 210.108049][ T6805] vfs_get_tree+0x90/0x274 [ 210.108807][ T6805] do_new_mount+0x228/0x810 [ 210.109584][ T6805] path_mount+0x5b4/0x1000 [ 210.110309][ T6805] __arm64_sys_mount+0x514/0x5e4 [ 210.111054][ T6805] invoke_syscall+0x98/0x2b8 [ 210.111813][ T6805] el0_svc_common+0x138/0x258 [ 210.112562][ T6805] do_el0_svc+0x58/0x14c [ 210.113254][ T6805] el0_svc+0x78/0x1e0 [ 210.113872][ T6805] el0t_64_sync_handler+0xcc/0xe4 [ 210.114677][ T6805] el0t_64_sync+0x1a0/0x1a4 [ 210.116829][ T6805] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.118987][ T6805] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.257106][ T6808] loop1: detected capacity change from 0 to 32768 [ 210.265158][ T6808] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.266365][ T6808] CPU: 1 PID: 6808 Comm: syz.1.562 Not tainted 5.15.189-syzkaller #0 [ 210.267570][ T6808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.269069][ T6808] Call trace: [ 210.269614][ T6808] dump_backtrace+0x0/0x43c [ 210.270322][ T6808] show_stack+0x2c/0x3c [ 210.271036][ T6808] __dump_stack+0x30/0x40 [ 210.271753][ T6808] dump_stack_lvl+0xf8/0x160 [ 210.272494][ T6808] dump_stack+0x1c/0x5c [ 210.273156][ T6808] sysfs_create_dir_ns+0x22c/0x24c [ 210.274061][ T6808] kobject_add_internal+0x590/0xc54 [ 210.274933][ T6808] kobject_init_and_add+0x118/0x17c [ 210.275820][ T6808] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.276578][ T6808] gfs2_fill_super+0xdac/0x19e0 [ 210.277294][ T6808] get_tree_bdev+0x358/0x544 [ 210.277976][ T6808] gfs2_get_tree+0x54/0x1b4 [ 210.278682][ T6808] vfs_get_tree+0x90/0x274 [ 210.279379][ T6808] do_new_mount+0x228/0x810 [ 210.280091][ T6808] path_mount+0x5b4/0x1000 [ 210.280732][ T6808] __arm64_sys_mount+0x514/0x5e4 [ 210.281440][ T6808] invoke_syscall+0x98/0x2b8 [ 210.282113][ T6808] el0_svc_common+0x138/0x258 [ 210.282800][ T6808] do_el0_svc+0x58/0x14c [ 210.283423][ T6808] el0_svc+0x78/0x1e0 [ 210.283979][ T6808] el0t_64_sync_handler+0xcc/0xe4 [ 210.284793][ T6808] el0t_64_sync+0x1a0/0x1a4 [ 210.287041][ T6808] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.288959][ T6808] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.423199][ T6811] loop1: detected capacity change from 0 to 32768 [ 210.516001][ T6811] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.517182][ T6811] CPU: 0 PID: 6811 Comm: syz.1.563 Not tainted 5.15.189-syzkaller #0 [ 210.518437][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.519975][ T6811] Call trace: [ 210.520435][ T6811] dump_backtrace+0x0/0x43c [ 210.521083][ T6811] show_stack+0x2c/0x3c [ 210.521716][ T6811] __dump_stack+0x30/0x40 [ 210.522373][ T6811] dump_stack_lvl+0xf8/0x160 [ 210.523154][ T6811] dump_stack+0x1c/0x5c [ 210.523838][ T6811] sysfs_create_dir_ns+0x22c/0x24c [ 210.524662][ T6811] kobject_add_internal+0x590/0xc54 [ 210.525479][ T6811] kobject_init_and_add+0x118/0x17c [ 210.526330][ T6811] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.527109][ T6811] gfs2_fill_super+0xdac/0x19e0 [ 210.527868][ T6811] get_tree_bdev+0x358/0x544 [ 210.528568][ T6811] gfs2_get_tree+0x54/0x1b4 [ 210.529275][ T6811] vfs_get_tree+0x90/0x274 [ 210.529967][ T6811] do_new_mount+0x228/0x810 [ 210.530719][ T6811] path_mount+0x5b4/0x1000 [ 210.531382][ T6811] __arm64_sys_mount+0x514/0x5e4 [ 210.532129][ T6811] invoke_syscall+0x98/0x2b8 [ 210.532851][ T6811] el0_svc_common+0x138/0x258 [ 210.533628][ T6811] do_el0_svc+0x58/0x14c [ 210.534305][ T6811] el0_svc+0x78/0x1e0 [ 210.535013][ T6811] el0t_64_sync_handler+0xcc/0xe4 [ 210.535918][ T6811] el0t_64_sync+0x1a0/0x1a4 [ 210.544734][ T6811] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.546823][ T6811] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.681951][ T6814] loop1: detected capacity change from 0 to 32768 [ 210.714717][ T6814] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.716000][ T6814] CPU: 1 PID: 6814 Comm: syz.1.564 Not tainted 5.15.189-syzkaller #0 [ 210.717348][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.718955][ T6814] Call trace: [ 210.719467][ T6814] dump_backtrace+0x0/0x43c [ 210.720183][ T6814] show_stack+0x2c/0x3c [ 210.720862][ T6814] __dump_stack+0x30/0x40 [ 210.721534][ T6814] dump_stack_lvl+0xf8/0x160 [ 210.722227][ T6814] dump_stack+0x1c/0x5c [ 210.722900][ T6814] sysfs_create_dir_ns+0x22c/0x24c [ 210.723715][ T6814] kobject_add_internal+0x590/0xc54 [ 210.724582][ T6814] kobject_init_and_add+0x118/0x17c [ 210.725538][ T6814] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.726349][ T6814] gfs2_fill_super+0xdac/0x19e0 [ 210.727100][ T6814] get_tree_bdev+0x358/0x544 [ 210.727820][ T6814] gfs2_get_tree+0x54/0x1b4 [ 210.728554][ T6814] vfs_get_tree+0x90/0x274 [ 210.729292][ T6814] do_new_mount+0x228/0x810 [ 210.730015][ T6814] path_mount+0x5b4/0x1000 [ 210.730725][ T6814] __arm64_sys_mount+0x514/0x5e4 [ 210.731476][ T6814] invoke_syscall+0x98/0x2b8 [ 210.732182][ T6814] el0_svc_common+0x138/0x258 [ 210.732848][ T6814] do_el0_svc+0x58/0x14c [ 210.733507][ T6814] el0_svc+0x78/0x1e0 [ 210.734172][ T6814] el0t_64_sync_handler+0xcc/0xe4 [ 210.735007][ T6814] el0t_64_sync+0x1a0/0x1a4 [ 210.737508][ T6814] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.739558][ T6814] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.872029][ T6817] loop1: detected capacity change from 0 to 32768 [ 210.904827][ T6817] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.906214][ T6817] CPU: 1 PID: 6817 Comm: syz.1.565 Not tainted 5.15.189-syzkaller #0 [ 210.907526][ T6817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.909133][ T6817] Call trace: [ 210.909641][ T6817] dump_backtrace+0x0/0x43c [ 210.910376][ T6817] show_stack+0x2c/0x3c [ 210.911053][ T6817] __dump_stack+0x30/0x40 [ 210.911760][ T6817] dump_stack_lvl+0xf8/0x160 [ 210.912513][ T6817] dump_stack+0x1c/0x5c [ 210.913195][ T6817] sysfs_create_dir_ns+0x22c/0x24c [ 210.914053][ T6817] kobject_add_internal+0x590/0xc54 [ 210.914906][ T6817] kobject_init_and_add+0x118/0x17c [ 210.915774][ T6817] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.916562][ T6817] gfs2_fill_super+0xdac/0x19e0 [ 210.917317][ T6817] get_tree_bdev+0x358/0x544 [ 210.918073][ T6817] gfs2_get_tree+0x54/0x1b4 [ 210.918735][ T6817] vfs_get_tree+0x90/0x274 [ 210.919385][ T6817] do_new_mount+0x228/0x810 [ 210.920050][ T6817] path_mount+0x5b4/0x1000 [ 210.920708][ T6817] __arm64_sys_mount+0x514/0x5e4 [ 210.921465][ T6817] invoke_syscall+0x98/0x2b8 [ 210.922100][ T6817] el0_svc_common+0x138/0x258 [ 210.922872][ T6817] do_el0_svc+0x58/0x14c [ 210.923574][ T6817] el0_svc+0x78/0x1e0 [ 210.924187][ T6817] el0t_64_sync_handler+0xcc/0xe4 [ 210.924943][ T6817] el0t_64_sync+0x1a0/0x1a4 [ 210.927533][ T6817] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.929528][ T6817] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.062958][ T6820] loop1: detected capacity change from 0 to 32768 [ 211.070910][ T6820] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.072059][ T6820] CPU: 1 PID: 6820 Comm: syz.1.566 Not tainted 5.15.189-syzkaller #0 [ 211.073306][ T6820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.074757][ T6820] Call trace: [ 211.075241][ T6820] dump_backtrace+0x0/0x43c [ 211.075911][ T6820] show_stack+0x2c/0x3c [ 211.076561][ T6820] __dump_stack+0x30/0x40 [ 211.077231][ T6820] dump_stack_lvl+0xf8/0x160 [ 211.077939][ T6820] dump_stack+0x1c/0x5c [ 211.078573][ T6820] sysfs_create_dir_ns+0x22c/0x24c [ 211.079447][ T6820] kobject_add_internal+0x590/0xc54 [ 211.080276][ T6820] kobject_init_and_add+0x118/0x17c [ 211.081053][ T6820] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.081808][ T6820] gfs2_fill_super+0xdac/0x19e0 [ 211.082587][ T6820] get_tree_bdev+0x358/0x544 [ 211.083244][ T6820] gfs2_get_tree+0x54/0x1b4 [ 211.083977][ T6820] vfs_get_tree+0x90/0x274 [ 211.084630][ T6820] do_new_mount+0x228/0x810 [ 211.085291][ T6820] path_mount+0x5b4/0x1000 [ 211.085923][ T6820] __arm64_sys_mount+0x514/0x5e4 [ 211.086620][ T6820] invoke_syscall+0x98/0x2b8 [ 211.087326][ T6820] el0_svc_common+0x138/0x258 [ 211.088113][ T6820] do_el0_svc+0x58/0x14c [ 211.088789][ T6820] el0_svc+0x78/0x1e0 [ 211.089448][ T6820] el0t_64_sync_handler+0xcc/0xe4 [ 211.090238][ T6820] el0t_64_sync+0x1a0/0x1a4 [ 211.092394][ T6820] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.094572][ T6820] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.232109][ T6823] loop1: detected capacity change from 0 to 32768 [ 211.240002][ T6823] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.241236][ T6823] CPU: 0 PID: 6823 Comm: syz.1.567 Not tainted 5.15.189-syzkaller #0 [ 211.242484][ T6823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.243898][ T6823] Call trace: [ 211.244354][ T6823] dump_backtrace+0x0/0x43c [ 211.244987][ T6823] show_stack+0x2c/0x3c [ 211.245569][ T6823] __dump_stack+0x30/0x40 [ 211.246239][ T6823] dump_stack_lvl+0xf8/0x160 [ 211.246973][ T6823] dump_stack+0x1c/0x5c [ 211.247589][ T6823] sysfs_create_dir_ns+0x22c/0x24c [ 211.248387][ T6823] kobject_add_internal+0x590/0xc54 [ 211.249215][ T6823] kobject_init_and_add+0x118/0x17c [ 211.249974][ T6823] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.250691][ T6823] gfs2_fill_super+0xdac/0x19e0 [ 211.251417][ T6823] get_tree_bdev+0x358/0x544 [ 211.252107][ T6823] gfs2_get_tree+0x54/0x1b4 [ 211.252735][ T6823] vfs_get_tree+0x90/0x274 [ 211.253387][ T6823] do_new_mount+0x228/0x810 [ 211.254053][ T6823] path_mount+0x5b4/0x1000 [ 211.254725][ T6823] __arm64_sys_mount+0x514/0x5e4 [ 211.255513][ T6823] invoke_syscall+0x98/0x2b8 [ 211.256240][ T6823] el0_svc_common+0x138/0x258 [ 211.256983][ T6823] do_el0_svc+0x58/0x14c [ 211.257623][ T6823] el0_svc+0x78/0x1e0 [ 211.258197][ T6823] el0t_64_sync_handler+0xcc/0xe4 [ 211.258966][ T6823] el0t_64_sync+0x1a0/0x1a4 [ 211.261178][ T6823] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.263288][ T6823] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.405960][ T6826] loop1: detected capacity change from 0 to 32768 [ 211.414205][ T6826] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.415420][ T6826] CPU: 1 PID: 6826 Comm: syz.1.568 Not tainted 5.15.189-syzkaller #0 [ 211.416717][ T6826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.418292][ T6826] Call trace: [ 211.418740][ T6826] dump_backtrace+0x0/0x43c [ 211.419457][ T6826] show_stack+0x2c/0x3c [ 211.420023][ T6826] __dump_stack+0x30/0x40 [ 211.420676][ T6826] dump_stack_lvl+0xf8/0x160 [ 211.421426][ T6826] dump_stack+0x1c/0x5c [ 211.422145][ T6826] sysfs_create_dir_ns+0x22c/0x24c [ 211.422981][ T6826] kobject_add_internal+0x590/0xc54 [ 211.423779][ T6826] kobject_init_and_add+0x118/0x17c [ 211.424639][ T6826] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.425415][ T6826] gfs2_fill_super+0xdac/0x19e0 [ 211.426199][ T6826] get_tree_bdev+0x358/0x544 [ 211.426893][ T6826] gfs2_get_tree+0x54/0x1b4 [ 211.427637][ T6826] vfs_get_tree+0x90/0x274 [ 211.428301][ T6826] do_new_mount+0x228/0x810 [ 211.429014][ T6826] path_mount+0x5b4/0x1000 [ 211.429669][ T6826] __arm64_sys_mount+0x514/0x5e4 [ 211.430390][ T6826] invoke_syscall+0x98/0x2b8 [ 211.431091][ T6826] el0_svc_common+0x138/0x258 [ 211.431767][ T6826] do_el0_svc+0x58/0x14c [ 211.432428][ T6826] el0_svc+0x78/0x1e0 [ 211.432997][ T6826] el0t_64_sync_handler+0xcc/0xe4 [ 211.433759][ T6826] el0t_64_sync+0x1a0/0x1a4 [ 211.435922][ T6826] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.437969][ T6826] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.573480][ T6829] loop1: detected capacity change from 0 to 32768 [ 211.581326][ T6829] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.582583][ T6829] CPU: 1 PID: 6829 Comm: syz.1.569 Not tainted 5.15.189-syzkaller #0 [ 211.583932][ T6829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.585566][ T6829] Call trace: [ 211.586076][ T6829] dump_backtrace+0x0/0x43c [ 211.586797][ T6829] show_stack+0x2c/0x3c [ 211.587510][ T6829] __dump_stack+0x30/0x40 [ 211.588274][ T6829] dump_stack_lvl+0xf8/0x160 [ 211.589011][ T6829] dump_stack+0x1c/0x5c [ 211.589685][ T6829] sysfs_create_dir_ns+0x22c/0x24c [ 211.590455][ T6829] kobject_add_internal+0x590/0xc54 [ 211.591370][ T6829] kobject_init_and_add+0x118/0x17c [ 211.592250][ T6829] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.592999][ T6829] gfs2_fill_super+0xdac/0x19e0 [ 211.593798][ T6829] get_tree_bdev+0x358/0x544 [ 211.594484][ T6829] gfs2_get_tree+0x54/0x1b4 [ 211.595175][ T6829] vfs_get_tree+0x90/0x274 [ 211.595867][ T6829] do_new_mount+0x228/0x810 [ 211.596595][ T6829] path_mount+0x5b4/0x1000 [ 211.597346][ T6829] __arm64_sys_mount+0x514/0x5e4 [ 211.598144][ T6829] invoke_syscall+0x98/0x2b8 [ 211.598920][ T6829] el0_svc_common+0x138/0x258 [ 211.599685][ T6829] do_el0_svc+0x58/0x14c [ 211.600406][ T6829] el0_svc+0x78/0x1e0 [ 211.601054][ T6829] el0t_64_sync_handler+0xcc/0xe4 [ 211.601852][ T6829] el0t_64_sync+0x1a0/0x1a4 [ 211.603026][ T6829] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.604954][ T6829] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.744609][ T6832] loop1: detected capacity change from 0 to 32768 [ 211.751990][ T6832] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.753098][ T6832] CPU: 0 PID: 6832 Comm: syz.1.570 Not tainted 5.15.189-syzkaller #0 [ 211.754326][ T6832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.755810][ T6832] Call trace: [ 211.756341][ T6832] dump_backtrace+0x0/0x43c [ 211.756984][ T6832] show_stack+0x2c/0x3c [ 211.757596][ T6832] __dump_stack+0x30/0x40 [ 211.758269][ T6832] dump_stack_lvl+0xf8/0x160 [ 211.758913][ T6832] dump_stack+0x1c/0x5c [ 211.759562][ T6832] sysfs_create_dir_ns+0x22c/0x24c [ 211.760382][ T6832] kobject_add_internal+0x590/0xc54 [ 211.761221][ T6832] kobject_init_and_add+0x118/0x17c [ 211.762082][ T6832] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.762822][ T6832] gfs2_fill_super+0xdac/0x19e0 [ 211.763646][ T6832] get_tree_bdev+0x358/0x544 [ 211.764392][ T6832] gfs2_get_tree+0x54/0x1b4 [ 211.765142][ T6832] vfs_get_tree+0x90/0x274 [ 211.765844][ T6832] do_new_mount+0x228/0x810 [ 211.766563][ T6832] path_mount+0x5b4/0x1000 [ 211.767251][ T6832] __arm64_sys_mount+0x514/0x5e4 [ 211.768002][ T6832] invoke_syscall+0x98/0x2b8 [ 211.768703][ T6832] el0_svc_common+0x138/0x258 [ 211.769414][ T6832] do_el0_svc+0x58/0x14c [ 211.770076][ T6832] el0_svc+0x78/0x1e0 [ 211.770658][ T6832] el0t_64_sync_handler+0xcc/0xe4 [ 211.771488][ T6832] el0t_64_sync+0x1a0/0x1a4 [ 211.774315][ T6832] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.776424][ T6832] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.909012][ T6835] loop1: detected capacity change from 0 to 32768 [ 211.989044][ T6835] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.990246][ T6835] CPU: 0 PID: 6835 Comm: syz.1.571 Not tainted 5.15.189-syzkaller #0 [ 211.991547][ T6835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.993096][ T6835] Call trace: [ 211.993649][ T6835] dump_backtrace+0x0/0x43c [ 211.994415][ T6835] show_stack+0x2c/0x3c [ 211.995154][ T6835] __dump_stack+0x30/0x40 [ 211.995901][ T6835] dump_stack_lvl+0xf8/0x160 [ 211.996697][ T6835] dump_stack+0x1c/0x5c [ 211.997417][ T6835] sysfs_create_dir_ns+0x22c/0x24c [ 211.998313][ T6835] kobject_add_internal+0x590/0xc54 [ 211.999168][ T6835] kobject_init_and_add+0x118/0x17c [ 211.999986][ T6835] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.000765][ T6835] gfs2_fill_super+0xdac/0x19e0 [ 212.001583][ T6835] get_tree_bdev+0x358/0x544 [ 212.002284][ T6835] gfs2_get_tree+0x54/0x1b4 [ 212.002967][ T6835] vfs_get_tree+0x90/0x274 [ 212.003707][ T6835] do_new_mount+0x228/0x810 [ 212.004473][ T6835] path_mount+0x5b4/0x1000 [ 212.005207][ T6835] __arm64_sys_mount+0x514/0x5e4 [ 212.006015][ T6835] invoke_syscall+0x98/0x2b8 [ 212.006816][ T6835] el0_svc_common+0x138/0x258 [ 212.007522][ T6835] do_el0_svc+0x58/0x14c [ 212.008218][ T6835] el0_svc+0x78/0x1e0 [ 212.008865][ T6835] el0t_64_sync_handler+0xcc/0xe4 [ 212.009620][ T6835] el0t_64_sync+0x1a0/0x1a4 [ 212.010980][ T6835] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.012978][ T6835] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:32 executed programs: 558 [ 212.145011][ T6838] loop1: detected capacity change from 0 to 32768 [ 212.184915][ T6838] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.186039][ T6838] CPU: 1 PID: 6838 Comm: syz.1.572 Not tainted 5.15.189-syzkaller #0 [ 212.187345][ T6838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.189025][ T6838] Call trace: [ 212.189564][ T6838] dump_backtrace+0x0/0x43c [ 212.190318][ T6838] show_stack+0x2c/0x3c [ 212.191017][ T6838] __dump_stack+0x30/0x40 [ 212.191732][ T6838] dump_stack_lvl+0xf8/0x160 [ 212.192540][ T6838] dump_stack+0x1c/0x5c [ 212.193264][ T6838] sysfs_create_dir_ns+0x22c/0x24c [ 212.194079][ T6838] kobject_add_internal+0x590/0xc54 [ 212.194933][ T6838] kobject_init_and_add+0x118/0x17c [ 212.195704][ T6838] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.196512][ T6838] gfs2_fill_super+0xdac/0x19e0 [ 212.197327][ T6838] get_tree_bdev+0x358/0x544 [ 212.198063][ T6838] gfs2_get_tree+0x54/0x1b4 [ 212.198758][ T6838] vfs_get_tree+0x90/0x274 [ 212.199459][ T6838] do_new_mount+0x228/0x810 [ 212.200237][ T6838] path_mount+0x5b4/0x1000 [ 212.201000][ T6838] __arm64_sys_mount+0x514/0x5e4 [ 212.201835][ T6838] invoke_syscall+0x98/0x2b8 [ 212.202645][ T6838] el0_svc_common+0x138/0x258 [ 212.203443][ T6838] do_el0_svc+0x58/0x14c [ 212.204163][ T6838] el0_svc+0x78/0x1e0 [ 212.204805][ T6838] el0t_64_sync_handler+0xcc/0xe4 [ 212.205647][ T6838] el0t_64_sync+0x1a0/0x1a4 [ 212.206914][ T6838] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.209155][ T6838] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.461223][ T6841] loop1: detected capacity change from 0 to 32768 [ 212.508199][ T6841] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.509511][ T6841] CPU: 0 PID: 6841 Comm: syz.1.573 Not tainted 5.15.189-syzkaller #0 [ 212.510849][ T6841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.512340][ T6841] Call trace: [ 212.512866][ T6841] dump_backtrace+0x0/0x43c [ 212.513535][ T6841] show_stack+0x2c/0x3c [ 212.514200][ T6841] __dump_stack+0x30/0x40 [ 212.514870][ T6841] dump_stack_lvl+0xf8/0x160 [ 212.515572][ T6841] dump_stack+0x1c/0x5c [ 212.516199][ T6841] sysfs_create_dir_ns+0x22c/0x24c [ 212.516976][ T6841] kobject_add_internal+0x590/0xc54 [ 212.517868][ T6841] kobject_init_and_add+0x118/0x17c [ 212.518715][ T6841] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.519502][ T6841] gfs2_fill_super+0xdac/0x19e0 [ 212.520242][ T6841] get_tree_bdev+0x358/0x544 [ 212.521014][ T6841] gfs2_get_tree+0x54/0x1b4 [ 212.521680][ T6841] vfs_get_tree+0x90/0x274 [ 212.522392][ T6841] do_new_mount+0x228/0x810 [ 212.523159][ T6841] path_mount+0x5b4/0x1000 [ 212.523870][ T6841] __arm64_sys_mount+0x514/0x5e4 [ 212.524645][ T6841] invoke_syscall+0x98/0x2b8 [ 212.525437][ T6841] el0_svc_common+0x138/0x258 [ 212.526182][ T6841] do_el0_svc+0x58/0x14c [ 212.526863][ T6841] el0_svc+0x78/0x1e0 [ 212.527492][ T6841] el0t_64_sync_handler+0xcc/0xe4 [ 212.528301][ T6841] el0t_64_sync+0x1a0/0x1a4 [ 212.529666][ T6841] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.531759][ T6841] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.683827][ T6844] loop1: detected capacity change from 0 to 32768 [ 212.749270][ T6844] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.750537][ T6844] CPU: 1 PID: 6844 Comm: syz.1.574 Not tainted 5.15.189-syzkaller #0 [ 212.751785][ T6844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.753518][ T6844] Call trace: [ 212.754083][ T6844] dump_backtrace+0x0/0x43c [ 212.754827][ T6844] show_stack+0x2c/0x3c [ 212.755531][ T6844] __dump_stack+0x30/0x40 [ 212.756269][ T6844] dump_stack_lvl+0xf8/0x160 [ 212.757054][ T6844] dump_stack+0x1c/0x5c [ 212.757722][ T6844] sysfs_create_dir_ns+0x22c/0x24c [ 212.758582][ T6844] kobject_add_internal+0x590/0xc54 [ 212.759494][ T6844] kobject_init_and_add+0x118/0x17c [ 212.760348][ T6844] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.761183][ T6844] gfs2_fill_super+0xdac/0x19e0 [ 212.761987][ T6844] get_tree_bdev+0x358/0x544 [ 212.762726][ T6844] gfs2_get_tree+0x54/0x1b4 [ 212.763465][ T6844] vfs_get_tree+0x90/0x274 [ 212.764186][ T6844] do_new_mount+0x228/0x810 [ 212.764952][ T6844] path_mount+0x5b4/0x1000 [ 212.765730][ T6844] __arm64_sys_mount+0x514/0x5e4 [ 212.766571][ T6844] invoke_syscall+0x98/0x2b8 [ 212.767389][ T6844] el0_svc_common+0x138/0x258 [ 212.768166][ T6844] do_el0_svc+0x58/0x14c [ 212.768886][ T6844] el0_svc+0x78/0x1e0 [ 212.769550][ T6844] el0t_64_sync_handler+0xcc/0xe4 [ 212.770376][ T6844] el0t_64_sync+0x1a0/0x1a4 [ 212.772497][ T6844] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.775152][ T6844] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.904539][ T6847] loop1: detected capacity change from 0 to 32768 [ 212.959680][ T6847] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.960848][ T6847] CPU: 1 PID: 6847 Comm: syz.1.575 Not tainted 5.15.189-syzkaller #0 [ 212.962062][ T6847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.963525][ T6847] Call trace: [ 212.964041][ T6847] dump_backtrace+0x0/0x43c [ 212.964810][ T6847] show_stack+0x2c/0x3c [ 212.965504][ T6847] __dump_stack+0x30/0x40 [ 212.966257][ T6847] dump_stack_lvl+0xf8/0x160 [ 212.967041][ T6847] dump_stack+0x1c/0x5c [ 212.967718][ T6847] sysfs_create_dir_ns+0x22c/0x24c [ 212.968596][ T6847] kobject_add_internal+0x590/0xc54 [ 212.969467][ T6847] kobject_init_and_add+0x118/0x17c [ 212.970334][ T6847] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.971152][ T6847] gfs2_fill_super+0xdac/0x19e0 [ 212.971976][ T6847] get_tree_bdev+0x358/0x544 [ 212.972771][ T6847] gfs2_get_tree+0x54/0x1b4 [ 212.973482][ T6847] vfs_get_tree+0x90/0x274 [ 212.974256][ T6847] do_new_mount+0x228/0x810 [ 212.974947][ T6847] path_mount+0x5b4/0x1000 [ 212.975597][ T6847] __arm64_sys_mount+0x514/0x5e4 [ 212.976336][ T6847] invoke_syscall+0x98/0x2b8 [ 212.977019][ T6847] el0_svc_common+0x138/0x258 [ 212.977833][ T6847] do_el0_svc+0x58/0x14c [ 212.978581][ T6847] el0_svc+0x78/0x1e0 [ 212.979287][ T6847] el0t_64_sync_handler+0xcc/0xe4 [ 212.980141][ T6847] el0t_64_sync+0x1a0/0x1a4 [ 212.982847][ T6847] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.985085][ T6847] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.212294][ T6850] loop1: detected capacity change from 0 to 32768 [ 213.269891][ T6850] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.271174][ T6850] CPU: 1 PID: 6850 Comm: syz.1.576 Not tainted 5.15.189-syzkaller #0 [ 213.272520][ T6850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.274250][ T6850] Call trace: [ 213.274770][ T6850] dump_backtrace+0x0/0x43c [ 213.275561][ T6850] show_stack+0x2c/0x3c [ 213.276325][ T6850] __dump_stack+0x30/0x40 [ 213.277071][ T6850] dump_stack_lvl+0xf8/0x160 [ 213.277879][ T6850] dump_stack+0x1c/0x5c [ 213.278526][ T6850] sysfs_create_dir_ns+0x22c/0x24c [ 213.279287][ T6850] kobject_add_internal+0x590/0xc54 [ 213.280182][ T6850] kobject_init_and_add+0x118/0x17c [ 213.281081][ T6850] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.281911][ T6850] gfs2_fill_super+0xdac/0x19e0 [ 213.282708][ T6850] get_tree_bdev+0x358/0x544 [ 213.283484][ T6850] gfs2_get_tree+0x54/0x1b4 [ 213.284241][ T6850] vfs_get_tree+0x90/0x274 [ 213.285039][ T6850] do_new_mount+0x228/0x810 [ 213.285803][ T6850] path_mount+0x5b4/0x1000 [ 213.286591][ T6850] __arm64_sys_mount+0x514/0x5e4 [ 213.287458][ T6850] invoke_syscall+0x98/0x2b8 [ 213.288227][ T6850] el0_svc_common+0x138/0x258 [ 213.288965][ T6850] do_el0_svc+0x58/0x14c [ 213.289695][ T6850] el0_svc+0x78/0x1e0 [ 213.290290][ T6850] el0t_64_sync_handler+0xcc/0xe4 [ 213.291038][ T6850] el0t_64_sync+0x1a0/0x1a4 [ 213.293552][ T6850] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.295737][ T6850] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.431184][ T6853] loop1: detected capacity change from 0 to 32768 [ 213.439288][ T6853] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.440507][ T6853] CPU: 0 PID: 6853 Comm: syz.1.577 Not tainted 5.15.189-syzkaller #0 [ 213.441877][ T6853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.443526][ T6853] Call trace: [ 213.444003][ T6853] dump_backtrace+0x0/0x43c [ 213.444651][ T6853] show_stack+0x2c/0x3c [ 213.445303][ T6853] __dump_stack+0x30/0x40 [ 213.446033][ T6853] dump_stack_lvl+0xf8/0x160 [ 213.446816][ T6853] dump_stack+0x1c/0x5c [ 213.447608][ T6853] sysfs_create_dir_ns+0x22c/0x24c [ 213.448446][ T6853] kobject_add_internal+0x590/0xc54 [ 213.449270][ T6853] kobject_init_and_add+0x118/0x17c [ 213.450068][ T6853] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.450818][ T6853] gfs2_fill_super+0xdac/0x19e0 [ 213.451537][ T6853] get_tree_bdev+0x358/0x544 [ 213.452264][ T6853] gfs2_get_tree+0x54/0x1b4 [ 213.452975][ T6853] vfs_get_tree+0x90/0x274 [ 213.453653][ T6853] do_new_mount+0x228/0x810 [ 213.454343][ T6853] path_mount+0x5b4/0x1000 [ 213.454979][ T6853] __arm64_sys_mount+0x514/0x5e4 [ 213.455684][ T6853] invoke_syscall+0x98/0x2b8 [ 213.456356][ T6853] el0_svc_common+0x138/0x258 [ 213.457062][ T6853] do_el0_svc+0x58/0x14c [ 213.457726][ T6853] el0_svc+0x78/0x1e0 [ 213.458317][ T6853] el0t_64_sync_handler+0xcc/0xe4 [ 213.459045][ T6853] el0t_64_sync+0x1a0/0x1a4 [ 213.461058][ T6853] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.463269][ T6853] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.595035][ T6856] loop1: detected capacity change from 0 to 32768 [ 213.635049][ T6856] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.636388][ T6856] CPU: 1 PID: 6856 Comm: syz.1.578 Not tainted 5.15.189-syzkaller #0 [ 213.637701][ T6856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.639350][ T6856] Call trace: [ 213.639908][ T6856] dump_backtrace+0x0/0x43c [ 213.640618][ T6856] show_stack+0x2c/0x3c [ 213.641310][ T6856] __dump_stack+0x30/0x40 [ 213.641994][ T6856] dump_stack_lvl+0xf8/0x160 [ 213.642713][ T6856] dump_stack+0x1c/0x5c [ 213.643382][ T6856] sysfs_create_dir_ns+0x22c/0x24c [ 213.644223][ T6856] kobject_add_internal+0x590/0xc54 [ 213.645089][ T6856] kobject_init_and_add+0x118/0x17c [ 213.645988][ T6856] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.646721][ T6856] gfs2_fill_super+0xdac/0x19e0 [ 213.647458][ T6856] get_tree_bdev+0x358/0x544 [ 213.648177][ T6856] gfs2_get_tree+0x54/0x1b4 [ 213.648772][ T6856] vfs_get_tree+0x90/0x274 [ 213.649533][ T6856] do_new_mount+0x228/0x810 [ 213.650267][ T6856] path_mount+0x5b4/0x1000 [ 213.650972][ T6856] __arm64_sys_mount+0x514/0x5e4 [ 213.651744][ T6856] invoke_syscall+0x98/0x2b8 [ 213.652521][ T6856] el0_svc_common+0x138/0x258 [ 213.653296][ T6856] do_el0_svc+0x58/0x14c [ 213.653971][ T6856] el0_svc+0x78/0x1e0 [ 213.654611][ T6856] el0t_64_sync_handler+0xcc/0xe4 [ 213.655510][ T6856] el0t_64_sync+0x1a0/0x1a4 [ 213.657884][ T6856] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.660036][ T6856] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.795042][ T6859] loop1: detected capacity change from 0 to 32768 [ 213.844779][ T6859] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.846007][ T6859] CPU: 0 PID: 6859 Comm: syz.1.579 Not tainted 5.15.189-syzkaller #0 [ 213.847369][ T6859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.848851][ T6859] Call trace: [ 213.849343][ T6859] dump_backtrace+0x0/0x43c [ 213.849963][ T6859] show_stack+0x2c/0x3c [ 213.850568][ T6859] __dump_stack+0x30/0x40 [ 213.851282][ T6859] dump_stack_lvl+0xf8/0x160 [ 213.851967][ T6859] dump_stack+0x1c/0x5c [ 213.852655][ T6859] sysfs_create_dir_ns+0x22c/0x24c [ 213.853520][ T6859] kobject_add_internal+0x590/0xc54 [ 213.854361][ T6859] kobject_init_and_add+0x118/0x17c [ 213.855197][ T6859] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.855976][ T6859] gfs2_fill_super+0xdac/0x19e0 [ 213.856804][ T6859] get_tree_bdev+0x358/0x544 [ 213.857539][ T6859] gfs2_get_tree+0x54/0x1b4 [ 213.858228][ T6859] vfs_get_tree+0x90/0x274 [ 213.858973][ T6859] do_new_mount+0x228/0x810 [ 213.859703][ T6859] path_mount+0x5b4/0x1000 [ 213.860419][ T6859] __arm64_sys_mount+0x514/0x5e4 [ 213.861223][ T6859] invoke_syscall+0x98/0x2b8 [ 213.862006][ T6859] el0_svc_common+0x138/0x258 [ 213.862760][ T6859] do_el0_svc+0x58/0x14c [ 213.863432][ T6859] el0_svc+0x78/0x1e0 [ 213.864097][ T6859] el0t_64_sync_handler+0xcc/0xe4 [ 213.864910][ T6859] el0t_64_sync+0x1a0/0x1a4 [ 213.866531][ T6859] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.868549][ T6859] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.005943][ T6862] loop1: detected capacity change from 0 to 32768 [ 214.049731][ T6862] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.051153][ T6862] CPU: 0 PID: 6862 Comm: syz.1.580 Not tainted 5.15.189-syzkaller #0 [ 214.052385][ T6862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.053867][ T6862] Call trace: [ 214.054355][ T6862] dump_backtrace+0x0/0x43c [ 214.055076][ T6862] show_stack+0x2c/0x3c [ 214.055701][ T6862] __dump_stack+0x30/0x40 [ 214.056438][ T6862] dump_stack_lvl+0xf8/0x160 [ 214.057139][ T6862] dump_stack+0x1c/0x5c [ 214.057816][ T6862] sysfs_create_dir_ns+0x22c/0x24c [ 214.058630][ T6862] kobject_add_internal+0x590/0xc54 [ 214.059539][ T6862] kobject_init_and_add+0x118/0x17c [ 214.060411][ T6862] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.061184][ T6862] gfs2_fill_super+0xdac/0x19e0 [ 214.061959][ T6862] get_tree_bdev+0x358/0x544 [ 214.062694][ T6862] gfs2_get_tree+0x54/0x1b4 [ 214.063361][ T6862] vfs_get_tree+0x90/0x274 [ 214.064026][ T6862] do_new_mount+0x228/0x810 [ 214.064703][ T6862] path_mount+0x5b4/0x1000 [ 214.065325][ T6862] __arm64_sys_mount+0x514/0x5e4 [ 214.066149][ T6862] invoke_syscall+0x98/0x2b8 [ 214.066897][ T6862] el0_svc_common+0x138/0x258 [ 214.067637][ T6862] do_el0_svc+0x58/0x14c [ 214.068336][ T6862] el0_svc+0x78/0x1e0 [ 214.068955][ T6862] el0t_64_sync_handler+0xcc/0xe4 [ 214.069768][ T6862] el0t_64_sync+0x1a0/0x1a4 [ 214.071326][ T6862] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.073481][ T6862] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.209917][ T6865] loop1: detected capacity change from 0 to 32768 [ 214.288582][ T6865] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.289792][ T6865] CPU: 0 PID: 6865 Comm: syz.1.581 Not tainted 5.15.189-syzkaller #0 [ 214.291058][ T6865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.292709][ T6865] Call trace: [ 214.293227][ T6865] dump_backtrace+0x0/0x43c [ 214.293977][ T6865] show_stack+0x2c/0x3c [ 214.294654][ T6865] __dump_stack+0x30/0x40 [ 214.295382][ T6865] dump_stack_lvl+0xf8/0x160 [ 214.296182][ T6865] dump_stack+0x1c/0x5c [ 214.296903][ T6865] sysfs_create_dir_ns+0x22c/0x24c [ 214.297782][ T6865] kobject_add_internal+0x590/0xc54 [ 214.298687][ T6865] kobject_init_and_add+0x118/0x17c [ 214.299619][ T6865] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.300438][ T6865] gfs2_fill_super+0xdac/0x19e0 [ 214.301222][ T6865] get_tree_bdev+0x358/0x544 [ 214.301905][ T6865] gfs2_get_tree+0x54/0x1b4 [ 214.302587][ T6865] vfs_get_tree+0x90/0x274 [ 214.303278][ T6865] do_new_mount+0x228/0x810 [ 214.304000][ T6865] path_mount+0x5b4/0x1000 [ 214.304708][ T6865] __arm64_sys_mount+0x514/0x5e4 [ 214.305535][ T6865] invoke_syscall+0x98/0x2b8 [ 214.306341][ T6865] el0_svc_common+0x138/0x258 [ 214.307084][ T6865] do_el0_svc+0x58/0x14c [ 214.307746][ T6865] el0_svc+0x78/0x1e0 [ 214.308394][ T6865] el0t_64_sync_handler+0xcc/0xe4 [ 214.309165][ T6865] el0t_64_sync+0x1a0/0x1a4 [ 214.310691][ T6865] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.312912][ T6865] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.449301][ T6868] loop1: detected capacity change from 0 to 32768 [ 214.454375][ T6868] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.455615][ T6868] CPU: 0 PID: 6868 Comm: syz.1.582 Not tainted 5.15.189-syzkaller #0 [ 214.456903][ T6868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.458578][ T6868] Call trace: [ 214.459099][ T6868] dump_backtrace+0x0/0x43c [ 214.459795][ T6868] show_stack+0x2c/0x3c [ 214.460481][ T6868] __dump_stack+0x30/0x40 [ 214.461187][ T6868] dump_stack_lvl+0xf8/0x160 [ 214.461904][ T6868] dump_stack+0x1c/0x5c [ 214.462586][ T6868] sysfs_create_dir_ns+0x22c/0x24c [ 214.463400][ T6868] kobject_add_internal+0x590/0xc54 [ 214.464274][ T6868] kobject_init_and_add+0x118/0x17c [ 214.465088][ T6868] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.465837][ T6868] gfs2_fill_super+0xdac/0x19e0 [ 214.466643][ T6868] get_tree_bdev+0x358/0x544 [ 214.467355][ T6868] gfs2_get_tree+0x54/0x1b4 [ 214.468101][ T6868] vfs_get_tree+0x90/0x274 [ 214.468868][ T6868] do_new_mount+0x228/0x810 [ 214.469608][ T6868] path_mount+0x5b4/0x1000 [ 214.470277][ T6868] __arm64_sys_mount+0x514/0x5e4 [ 214.471087][ T6868] invoke_syscall+0x98/0x2b8 [ 214.471772][ T6868] el0_svc_common+0x138/0x258 [ 214.472542][ T6868] do_el0_svc+0x58/0x14c [ 214.473253][ T6868] el0_svc+0x78/0x1e0 [ 214.473859][ T6868] el0t_64_sync_handler+0xcc/0xe4 [ 214.474656][ T6868] el0t_64_sync+0x1a0/0x1a4 [ 214.476220][ T6868] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.478175][ T6868] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.663257][ T6871] loop1: detected capacity change from 0 to 32768 [ 214.719617][ T6871] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.720787][ T6871] CPU: 1 PID: 6871 Comm: syz.1.583 Not tainted 5.15.189-syzkaller #0 [ 214.721895][ T6871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.723285][ T6871] Call trace: [ 214.723759][ T6871] dump_backtrace+0x0/0x43c [ 214.724433][ T6871] show_stack+0x2c/0x3c [ 214.725105][ T6871] __dump_stack+0x30/0x40 [ 214.725825][ T6871] dump_stack_lvl+0xf8/0x160 [ 214.726594][ T6871] dump_stack+0x1c/0x5c [ 214.727312][ T6871] sysfs_create_dir_ns+0x22c/0x24c [ 214.728211][ T6871] kobject_add_internal+0x590/0xc54 [ 214.729078][ T6871] kobject_init_and_add+0x118/0x17c [ 214.729901][ T6871] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.730647][ T6871] gfs2_fill_super+0xdac/0x19e0 [ 214.731377][ T6871] get_tree_bdev+0x358/0x544 [ 214.732067][ T6871] gfs2_get_tree+0x54/0x1b4 [ 214.732734][ T6871] vfs_get_tree+0x90/0x274 [ 214.733421][ T6871] do_new_mount+0x228/0x810 [ 214.734069][ T6871] path_mount+0x5b4/0x1000 [ 214.734703][ T6871] __arm64_sys_mount+0x514/0x5e4 [ 214.735391][ T6871] invoke_syscall+0x98/0x2b8 [ 214.736063][ T6871] el0_svc_common+0x138/0x258 [ 214.736850][ T6871] do_el0_svc+0x58/0x14c [ 214.737532][ T6871] el0_svc+0x78/0x1e0 [ 214.738195][ T6871] el0t_64_sync_handler+0xcc/0xe4 [ 214.739085][ T6871] el0t_64_sync+0x1a0/0x1a4 [ 214.741211][ T6871] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.743350][ T6871] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.875918][ T6874] loop1: detected capacity change from 0 to 32768 [ 214.914872][ T6874] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.916086][ T6874] CPU: 1 PID: 6874 Comm: syz.1.584 Not tainted 5.15.189-syzkaller #0 [ 214.917356][ T6874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.918846][ T6874] Call trace: [ 214.919384][ T6874] dump_backtrace+0x0/0x43c [ 214.920115][ T6874] show_stack+0x2c/0x3c [ 214.920797][ T6874] __dump_stack+0x30/0x40 [ 214.921439][ T6874] dump_stack_lvl+0xf8/0x160 [ 214.922119][ T6874] dump_stack+0x1c/0x5c [ 214.922766][ T6874] sysfs_create_dir_ns+0x22c/0x24c [ 214.923527][ T6874] kobject_add_internal+0x590/0xc54 [ 214.924419][ T6874] kobject_init_and_add+0x118/0x17c [ 214.925322][ T6874] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.926099][ T6874] gfs2_fill_super+0xdac/0x19e0 [ 214.926918][ T6874] get_tree_bdev+0x358/0x544 [ 214.927758][ T6874] gfs2_get_tree+0x54/0x1b4 [ 214.928540][ T6874] vfs_get_tree+0x90/0x274 [ 214.929252][ T6874] do_new_mount+0x228/0x810 [ 214.929999][ T6874] path_mount+0x5b4/0x1000 [ 214.930729][ T6874] __arm64_sys_mount+0x514/0x5e4 [ 214.931526][ T6874] invoke_syscall+0x98/0x2b8 [ 214.932239][ T6874] el0_svc_common+0x138/0x258 [ 214.932972][ T6874] do_el0_svc+0x58/0x14c [ 214.933636][ T6874] el0_svc+0x78/0x1e0 [ 214.934325][ T6874] el0t_64_sync_handler+0xcc/0xe4 [ 214.935191][ T6874] el0t_64_sync+0x1a0/0x1a4 [ 214.937407][ T6874] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.939283][ T6874] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.073719][ T6877] loop1: detected capacity change from 0 to 32768 [ 215.170422][ T6877] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.171652][ T6877] CPU: 1 PID: 6877 Comm: syz.1.585 Not tainted 5.15.189-syzkaller #0 [ 215.173013][ T6877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.174607][ T6877] Call trace: [ 215.175095][ T6877] dump_backtrace+0x0/0x43c [ 215.175792][ T6877] show_stack+0x2c/0x3c [ 215.176390][ T6877] __dump_stack+0x30/0x40 [ 215.176977][ T6877] dump_stack_lvl+0xf8/0x160 [ 215.177612][ T6877] dump_stack+0x1c/0x5c [ 215.178225][ T6877] sysfs_create_dir_ns+0x22c/0x24c [ 215.178968][ T6877] kobject_add_internal+0x590/0xc54 [ 215.179717][ T6877] kobject_init_and_add+0x118/0x17c [ 215.180504][ T6877] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.181217][ T6877] gfs2_fill_super+0xdac/0x19e0 [ 215.181905][ T6877] get_tree_bdev+0x358/0x544 [ 215.182645][ T6877] gfs2_get_tree+0x54/0x1b4 [ 215.183308][ T6877] vfs_get_tree+0x90/0x274 [ 215.183971][ T6877] do_new_mount+0x228/0x810 [ 215.184639][ T6877] path_mount+0x5b4/0x1000 [ 215.185425][ T6877] __arm64_sys_mount+0x514/0x5e4 [ 215.186182][ T6877] invoke_syscall+0x98/0x2b8 [ 215.186925][ T6877] el0_svc_common+0x138/0x258 [ 215.187688][ T6877] do_el0_svc+0x58/0x14c [ 215.188329][ T6877] el0_svc+0x78/0x1e0 [ 215.188984][ T6877] el0t_64_sync_handler+0xcc/0xe4 [ 215.189819][ T6877] el0t_64_sync+0x1a0/0x1a4 [ 215.192103][ T6877] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.194408][ T6877] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.327100][ T6880] loop1: detected capacity change from 0 to 32768 [ 215.364911][ T6880] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.366147][ T6880] CPU: 0 PID: 6880 Comm: syz.1.586 Not tainted 5.15.189-syzkaller #0 [ 215.367518][ T6880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.369284][ T6880] Call trace: [ 215.369825][ T6880] dump_backtrace+0x0/0x43c [ 215.370621][ T6880] show_stack+0x2c/0x3c [ 215.371338][ T6880] __dump_stack+0x30/0x40 [ 215.372079][ T6880] dump_stack_lvl+0xf8/0x160 [ 215.372850][ T6880] dump_stack+0x1c/0x5c [ 215.373531][ T6880] sysfs_create_dir_ns+0x22c/0x24c [ 215.374438][ T6880] kobject_add_internal+0x590/0xc54 [ 215.375339][ T6880] kobject_init_and_add+0x118/0x17c [ 215.376195][ T6880] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.376999][ T6880] gfs2_fill_super+0xdac/0x19e0 [ 215.377759][ T6880] get_tree_bdev+0x358/0x544 [ 215.378487][ T6880] gfs2_get_tree+0x54/0x1b4 [ 215.379245][ T6880] vfs_get_tree+0x90/0x274 [ 215.379996][ T6880] do_new_mount+0x228/0x810 [ 215.380701][ T6880] path_mount+0x5b4/0x1000 [ 215.381437][ T6880] __arm64_sys_mount+0x514/0x5e4 [ 215.382237][ T6880] invoke_syscall+0x98/0x2b8 [ 215.382978][ T6880] el0_svc_common+0x138/0x258 [ 215.383716][ T6880] do_el0_svc+0x58/0x14c [ 215.384421][ T6880] el0_svc+0x78/0x1e0 [ 215.385087][ T6880] el0t_64_sync_handler+0xcc/0xe4 [ 215.385933][ T6880] el0t_64_sync+0x1a0/0x1a4 [ 215.386976][ T6880] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.388905][ T6880] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.519974][ T6883] loop1: detected capacity change from 0 to 32768 [ 215.599060][ T6883] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.600208][ T6883] CPU: 1 PID: 6883 Comm: syz.1.587 Not tainted 5.15.189-syzkaller #0 [ 215.601502][ T6883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.603171][ T6883] Call trace: [ 215.603693][ T6883] dump_backtrace+0x0/0x43c [ 215.604434][ T6883] show_stack+0x2c/0x3c [ 215.605034][ T6883] __dump_stack+0x30/0x40 [ 215.605670][ T6883] dump_stack_lvl+0xf8/0x160 [ 215.606395][ T6883] dump_stack+0x1c/0x5c [ 215.606968][ T6883] sysfs_create_dir_ns+0x22c/0x24c [ 215.607773][ T6883] kobject_add_internal+0x590/0xc54 [ 215.608512][ T6883] kobject_init_and_add+0x118/0x17c [ 215.609270][ T6883] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.609975][ T6883] gfs2_fill_super+0xdac/0x19e0 [ 215.610762][ T6883] get_tree_bdev+0x358/0x544 [ 215.611509][ T6883] gfs2_get_tree+0x54/0x1b4 [ 215.612246][ T6883] vfs_get_tree+0x90/0x274 [ 215.612922][ T6883] do_new_mount+0x228/0x810 [ 215.613585][ T6883] path_mount+0x5b4/0x1000 [ 215.614268][ T6883] __arm64_sys_mount+0x514/0x5e4 [ 215.614964][ T6883] invoke_syscall+0x98/0x2b8 [ 215.615657][ T6883] el0_svc_common+0x138/0x258 [ 215.616333][ T6883] do_el0_svc+0x58/0x14c [ 215.616992][ T6883] el0_svc+0x78/0x1e0 [ 215.617589][ T6883] el0t_64_sync_handler+0xcc/0xe4 [ 215.618337][ T6883] el0t_64_sync+0x1a0/0x1a4 [ 215.619144][ T6883] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.620937][ T6883] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.788039][ T6886] loop1: detected capacity change from 0 to 32768 [ 215.842992][ T6886] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.848062][ T6886] CPU: 1 PID: 6886 Comm: syz.1.588 Not tainted 5.15.189-syzkaller #0 [ 215.849393][ T6886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.850951][ T6886] Call trace: [ 215.851437][ T6886] dump_backtrace+0x0/0x43c [ 215.852087][ T6886] show_stack+0x2c/0x3c [ 215.852627][ T6886] __dump_stack+0x30/0x40 [ 215.853281][ T6886] dump_stack_lvl+0xf8/0x160 [ 215.854059][ T6886] dump_stack+0x1c/0x5c [ 215.854697][ T6886] sysfs_create_dir_ns+0x22c/0x24c [ 215.855514][ T6886] kobject_add_internal+0x590/0xc54 [ 215.856355][ T6886] kobject_init_and_add+0x118/0x17c [ 215.857219][ T6886] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.857969][ T6886] gfs2_fill_super+0xdac/0x19e0 [ 215.858647][ T6886] get_tree_bdev+0x358/0x544 [ 215.859395][ T6886] gfs2_get_tree+0x54/0x1b4 [ 215.860134][ T6886] vfs_get_tree+0x90/0x274 [ 215.860750][ T6886] do_new_mount+0x228/0x810 [ 215.861409][ T6886] path_mount+0x5b4/0x1000 [ 215.862042][ T6886] __arm64_sys_mount+0x514/0x5e4 [ 215.862829][ T6886] invoke_syscall+0x98/0x2b8 [ 215.863582][ T6886] el0_svc_common+0x138/0x258 [ 215.864279][ T6886] do_el0_svc+0x58/0x14c [ 215.864984][ T6886] el0_svc+0x78/0x1e0 [ 215.865595][ T6886] el0t_64_sync_handler+0xcc/0xe4 [ 215.866432][ T6886] el0t_64_sync+0x1a0/0x1a4 [ 215.868658][ T6886] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.870822][ T6886] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.017405][ T6889] loop1: detected capacity change from 0 to 32768 [ 216.054803][ T6889] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.056056][ T6889] CPU: 1 PID: 6889 Comm: syz.1.589 Not tainted 5.15.189-syzkaller #0 [ 216.057248][ T6889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.058745][ T6889] Call trace: [ 216.059235][ T6889] dump_backtrace+0x0/0x43c [ 216.059953][ T6889] show_stack+0x2c/0x3c [ 216.060638][ T6889] __dump_stack+0x30/0x40 [ 216.061345][ T6889] dump_stack_lvl+0xf8/0x160 [ 216.062055][ T6889] dump_stack+0x1c/0x5c [ 216.062677][ T6889] sysfs_create_dir_ns+0x22c/0x24c [ 216.063449][ T6889] kobject_add_internal+0x590/0xc54 [ 216.064264][ T6889] kobject_init_and_add+0x118/0x17c [ 216.065078][ T6889] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.065768][ T6889] gfs2_fill_super+0xdac/0x19e0 [ 216.066580][ T6889] get_tree_bdev+0x358/0x544 [ 216.067334][ T6889] gfs2_get_tree+0x54/0x1b4 [ 216.068105][ T6889] vfs_get_tree+0x90/0x274 [ 216.068813][ T6889] do_new_mount+0x228/0x810 [ 216.069528][ T6889] path_mount+0x5b4/0x1000 [ 216.070298][ T6889] __arm64_sys_mount+0x514/0x5e4 [ 216.071116][ T6889] invoke_syscall+0x98/0x2b8 [ 216.071871][ T6889] el0_svc_common+0x138/0x258 [ 216.072643][ T6889] do_el0_svc+0x58/0x14c [ 216.073337][ T6889] el0_svc+0x78/0x1e0 [ 216.073955][ T6889] el0t_64_sync_handler+0xcc/0xe4 [ 216.074761][ T6889] el0t_64_sync+0x1a0/0x1a4 [ 216.077387][ T6889] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.079524][ T6889] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.210304][ T6892] loop1: detected capacity change from 0 to 32768 [ 216.298766][ T6892] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.300043][ T6892] CPU: 1 PID: 6892 Comm: syz.1.590 Not tainted 5.15.189-syzkaller #0 [ 216.301367][ T6892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.303009][ T6892] Call trace: [ 216.303530][ T6892] dump_backtrace+0x0/0x43c [ 216.304239][ T6892] show_stack+0x2c/0x3c [ 216.304944][ T6892] __dump_stack+0x30/0x40 [ 216.305662][ T6892] dump_stack_lvl+0xf8/0x160 [ 216.306439][ T6892] dump_stack+0x1c/0x5c [ 216.307155][ T6892] sysfs_create_dir_ns+0x22c/0x24c [ 216.307969][ T6892] kobject_add_internal+0x590/0xc54 [ 216.308756][ T6892] kobject_init_and_add+0x118/0x17c [ 216.309571][ T6892] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.310418][ T6892] gfs2_fill_super+0xdac/0x19e0 [ 216.311261][ T6892] get_tree_bdev+0x358/0x544 [ 216.311995][ T6892] gfs2_get_tree+0x54/0x1b4 [ 216.312719][ T6892] vfs_get_tree+0x90/0x274 [ 216.313479][ T6892] do_new_mount+0x228/0x810 [ 216.314221][ T6892] path_mount+0x5b4/0x1000 [ 216.314919][ T6892] __arm64_sys_mount+0x514/0x5e4 [ 216.315767][ T6892] invoke_syscall+0x98/0x2b8 [ 216.316460][ T6892] el0_svc_common+0x138/0x258 [ 216.317163][ T6892] do_el0_svc+0x58/0x14c [ 216.317896][ T6892] el0_svc+0x78/0x1e0 [ 216.318564][ T6892] el0t_64_sync_handler+0xcc/0xe4 [ 216.319439][ T6892] el0t_64_sync+0x1a0/0x1a4 [ 216.321750][ T6892] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.323770][ T6892] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.459976][ T6895] loop1: detected capacity change from 0 to 32768 [ 216.468049][ T6895] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.469204][ T6895] CPU: 1 PID: 6895 Comm: syz.1.591 Not tainted 5.15.189-syzkaller #0 [ 216.470486][ T6895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.472177][ T6895] Call trace: [ 216.472667][ T6895] dump_backtrace+0x0/0x43c [ 216.473357][ T6895] show_stack+0x2c/0x3c [ 216.474010][ T6895] __dump_stack+0x30/0x40 [ 216.474747][ T6895] dump_stack_lvl+0xf8/0x160 [ 216.475432][ T6895] dump_stack+0x1c/0x5c [ 216.476057][ T6895] sysfs_create_dir_ns+0x22c/0x24c [ 216.476809][ T6895] kobject_add_internal+0x590/0xc54 [ 216.477687][ T6895] kobject_init_and_add+0x118/0x17c [ 216.478595][ T6895] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.479419][ T6895] gfs2_fill_super+0xdac/0x19e0 [ 216.480224][ T6895] get_tree_bdev+0x358/0x544 [ 216.481020][ T6895] gfs2_get_tree+0x54/0x1b4 [ 216.481756][ T6895] vfs_get_tree+0x90/0x274 [ 216.482476][ T6895] do_new_mount+0x228/0x810 [ 216.483208][ T6895] path_mount+0x5b4/0x1000 [ 216.483937][ T6895] __arm64_sys_mount+0x514/0x5e4 [ 216.484665][ T6895] invoke_syscall+0x98/0x2b8 [ 216.485364][ T6895] el0_svc_common+0x138/0x258 [ 216.486023][ T6895] do_el0_svc+0x58/0x14c [ 216.486679][ T6895] el0_svc+0x78/0x1e0 [ 216.487245][ T6895] el0t_64_sync_handler+0xcc/0xe4 [ 216.488043][ T6895] el0t_64_sync+0x1a0/0x1a4 [ 216.490382][ T6895] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.492456][ T6895] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.623368][ T6898] loop1: detected capacity change from 0 to 32768 [ 216.706360][ T6898] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.707596][ T6898] CPU: 0 PID: 6898 Comm: syz.1.592 Not tainted 5.15.189-syzkaller #0 [ 216.708919][ T6898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.710588][ T6898] Call trace: [ 216.711100][ T6898] dump_backtrace+0x0/0x43c [ 216.711851][ T6898] show_stack+0x2c/0x3c [ 216.712530][ T6898] __dump_stack+0x30/0x40 [ 216.713196][ T6898] dump_stack_lvl+0xf8/0x160 [ 216.713897][ T6898] dump_stack+0x1c/0x5c [ 216.714635][ T6898] sysfs_create_dir_ns+0x22c/0x24c [ 216.715482][ T6898] kobject_add_internal+0x590/0xc54 [ 216.716279][ T6898] kobject_init_and_add+0x118/0x17c [ 216.717037][ T6898] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.717730][ T6898] gfs2_fill_super+0xdac/0x19e0 [ 216.718535][ T6898] get_tree_bdev+0x358/0x544 [ 216.719185][ T6898] gfs2_get_tree+0x54/0x1b4 [ 216.719859][ T6898] vfs_get_tree+0x90/0x274 [ 216.720495][ T6898] do_new_mount+0x228/0x810 [ 216.721170][ T6898] path_mount+0x5b4/0x1000 [ 216.721807][ T6898] __arm64_sys_mount+0x514/0x5e4 [ 216.722543][ T6898] invoke_syscall+0x98/0x2b8 [ 216.723196][ T6898] el0_svc_common+0x138/0x258 [ 216.723886][ T6898] do_el0_svc+0x58/0x14c [ 216.724555][ T6898] el0_svc+0x78/0x1e0 [ 216.725197][ T6898] el0t_64_sync_handler+0xcc/0xe4 [ 216.726012][ T6898] el0t_64_sync+0x1a0/0x1a4 [ 216.726916][ T6898] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.728763][ T6898] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.865110][ T6901] loop1: detected capacity change from 0 to 32768 [ 216.873089][ T6901] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.874407][ T6901] CPU: 0 PID: 6901 Comm: syz.1.593 Not tainted 5.15.189-syzkaller #0 [ 216.875613][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.876963][ T6901] Call trace: [ 216.877428][ T6901] dump_backtrace+0x0/0x43c [ 216.878085][ T6901] show_stack+0x2c/0x3c [ 216.878649][ T6901] __dump_stack+0x30/0x40 [ 216.879338][ T6901] dump_stack_lvl+0xf8/0x160 [ 216.880050][ T6901] dump_stack+0x1c/0x5c [ 216.880652][ T6901] sysfs_create_dir_ns+0x22c/0x24c [ 216.881362][ T6901] kobject_add_internal+0x590/0xc54 [ 216.882110][ T6901] kobject_init_and_add+0x118/0x17c [ 216.882870][ T6901] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.883684][ T6901] gfs2_fill_super+0xdac/0x19e0 [ 216.884532][ T6901] get_tree_bdev+0x358/0x544 [ 216.885365][ T6901] gfs2_get_tree+0x54/0x1b4 [ 216.886134][ T6901] vfs_get_tree+0x90/0x274 [ 216.886867][ T6901] do_new_mount+0x228/0x810 [ 216.887536][ T6901] path_mount+0x5b4/0x1000 [ 216.888199][ T6901] __arm64_sys_mount+0x514/0x5e4 [ 216.888933][ T6901] invoke_syscall+0x98/0x2b8 [ 216.889602][ T6901] el0_svc_common+0x138/0x258 [ 216.890359][ T6901] do_el0_svc+0x58/0x14c [ 216.891016][ T6901] el0_svc+0x78/0x1e0 [ 216.891634][ T6901] el0t_64_sync_handler+0xcc/0xe4 [ 216.892360][ T6901] el0t_64_sync+0x1a0/0x1a4 [ 216.894495][ T6901] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.896469][ T6901] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.039184][ T6904] loop1: detected capacity change from 0 to 32768 [ 217.047223][ T6904] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.048460][ T6904] CPU: 1 PID: 6904 Comm: syz.1.594 Not tainted 5.15.189-syzkaller #0 [ 217.049714][ T6904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.051246][ T6904] Call trace: [ 217.051742][ T6904] dump_backtrace+0x0/0x43c [ 217.052500][ T6904] show_stack+0x2c/0x3c [ 217.053103][ T6904] __dump_stack+0x30/0x40 [ 217.053752][ T6904] dump_stack_lvl+0xf8/0x160 [ 217.054486][ T6904] dump_stack+0x1c/0x5c [ 217.055087][ T6904] sysfs_create_dir_ns+0x22c/0x24c [ 217.055802][ T6904] kobject_add_internal+0x590/0xc54 [ 217.056675][ T6904] kobject_init_and_add+0x118/0x17c [ 217.057415][ T6904] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.058239][ T6904] gfs2_fill_super+0xdac/0x19e0 [ 217.058974][ T6904] get_tree_bdev+0x358/0x544 [ 217.059724][ T6904] gfs2_get_tree+0x54/0x1b4 [ 217.060447][ T6904] vfs_get_tree+0x90/0x274 [ 217.061170][ T6904] do_new_mount+0x228/0x810 [ 217.061874][ T6904] path_mount+0x5b4/0x1000 [ 217.062583][ T6904] __arm64_sys_mount+0x514/0x5e4 [ 217.063379][ T6904] invoke_syscall+0x98/0x2b8 [ 217.064093][ T6904] el0_svc_common+0x138/0x258 [ 217.064782][ T6904] do_el0_svc+0x58/0x14c [ 217.065423][ T6904] el0_svc+0x78/0x1e0 [ 217.065974][ T6904] el0t_64_sync_handler+0xcc/0xe4 [ 217.066693][ T6904] el0t_64_sync+0x1a0/0x1a4 [ 217.068448][ T6904] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.070748][ T6904] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:37 executed programs: 581 [ 217.211074][ T6907] loop1: detected capacity change from 0 to 32768 [ 217.214916][ T6907] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.216193][ T6907] CPU: 0 PID: 6907 Comm: syz.1.595 Not tainted 5.15.189-syzkaller #0 [ 217.217349][ T6907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.218973][ T6907] Call trace: [ 217.219500][ T6907] dump_backtrace+0x0/0x43c [ 217.220231][ T6907] show_stack+0x2c/0x3c [ 217.220916][ T6907] __dump_stack+0x30/0x40 [ 217.221626][ T6907] dump_stack_lvl+0xf8/0x160 [ 217.222336][ T6907] dump_stack+0x1c/0x5c [ 217.222957][ T6907] sysfs_create_dir_ns+0x22c/0x24c [ 217.223775][ T6907] kobject_add_internal+0x590/0xc54 [ 217.224619][ T6907] kobject_init_and_add+0x118/0x17c [ 217.225466][ T6907] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.226262][ T6907] gfs2_fill_super+0xdac/0x19e0 [ 217.227067][ T6907] get_tree_bdev+0x358/0x544 [ 217.227799][ T6907] gfs2_get_tree+0x54/0x1b4 [ 217.228595][ T6907] vfs_get_tree+0x90/0x274 [ 217.229319][ T6907] do_new_mount+0x228/0x810 [ 217.230083][ T6907] path_mount+0x5b4/0x1000 [ 217.230831][ T6907] __arm64_sys_mount+0x514/0x5e4 [ 217.231576][ T6907] invoke_syscall+0x98/0x2b8 [ 217.232292][ T6907] el0_svc_common+0x138/0x258 [ 217.233073][ T6907] do_el0_svc+0x58/0x14c [ 217.233817][ T6907] el0_svc+0x78/0x1e0 [ 217.234503][ T6907] el0t_64_sync_handler+0xcc/0xe4 [ 217.235279][ T6907] el0t_64_sync+0x1a0/0x1a4 [ 217.237618][ T6907] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.239800][ T6907] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.478710][ T6910] loop1: detected capacity change from 0 to 32768 [ 217.517770][ T6910] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.518990][ T6910] CPU: 1 PID: 6910 Comm: syz.1.596 Not tainted 5.15.189-syzkaller #0 [ 217.520343][ T6910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.522028][ T6910] Call trace: [ 217.522563][ T6910] dump_backtrace+0x0/0x43c [ 217.523320][ T6910] show_stack+0x2c/0x3c [ 217.524027][ T6910] __dump_stack+0x30/0x40 [ 217.524746][ T6910] dump_stack_lvl+0xf8/0x160 [ 217.525520][ T6910] dump_stack+0x1c/0x5c [ 217.526203][ T6910] sysfs_create_dir_ns+0x22c/0x24c [ 217.526984][ T6910] kobject_add_internal+0x590/0xc54 [ 217.527777][ T6910] kobject_init_and_add+0x118/0x17c [ 217.528546][ T6910] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.529303][ T6910] gfs2_fill_super+0xdac/0x19e0 [ 217.529966][ T6910] get_tree_bdev+0x358/0x544 [ 217.530641][ T6910] gfs2_get_tree+0x54/0x1b4 [ 217.531323][ T6910] vfs_get_tree+0x90/0x274 [ 217.531954][ T6910] do_new_mount+0x228/0x810 [ 217.532699][ T6910] path_mount+0x5b4/0x1000 [ 217.533303][ T6910] __arm64_sys_mount+0x514/0x5e4 [ 217.534012][ T6910] invoke_syscall+0x98/0x2b8 [ 217.534718][ T6910] el0_svc_common+0x138/0x258 [ 217.535457][ T6910] do_el0_svc+0x58/0x14c [ 217.536114][ T6910] el0_svc+0x78/0x1e0 [ 217.536667][ T6910] el0t_64_sync_handler+0xcc/0xe4 [ 217.537419][ T6910] el0t_64_sync+0x1a0/0x1a4 [ 217.539745][ T6910] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.541950][ T6910] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.682546][ T6913] loop1: detected capacity change from 0 to 32768 [ 217.734879][ T6913] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.736119][ T6913] CPU: 0 PID: 6913 Comm: syz.1.597 Not tainted 5.15.189-syzkaller #0 [ 217.737512][ T6913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.739203][ T6913] Call trace: [ 217.739751][ T6913] dump_backtrace+0x0/0x43c [ 217.740496][ T6913] show_stack+0x2c/0x3c [ 217.741207][ T6913] __dump_stack+0x30/0x40 [ 217.741878][ T6913] dump_stack_lvl+0xf8/0x160 [ 217.742641][ T6913] dump_stack+0x1c/0x5c [ 217.743384][ T6913] sysfs_create_dir_ns+0x22c/0x24c [ 217.744254][ T6913] kobject_add_internal+0x590/0xc54 [ 217.745160][ T6913] kobject_init_and_add+0x118/0x17c [ 217.746045][ T6913] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.746799][ T6913] gfs2_fill_super+0xdac/0x19e0 [ 217.747560][ T6913] get_tree_bdev+0x358/0x544 [ 217.748313][ T6913] gfs2_get_tree+0x54/0x1b4 [ 217.749003][ T6913] vfs_get_tree+0x90/0x274 [ 217.749762][ T6913] do_new_mount+0x228/0x810 [ 217.750527][ T6913] path_mount+0x5b4/0x1000 [ 217.751269][ T6913] __arm64_sys_mount+0x514/0x5e4 [ 217.752065][ T6913] invoke_syscall+0x98/0x2b8 [ 217.752853][ T6913] el0_svc_common+0x138/0x258 [ 217.753674][ T6913] do_el0_svc+0x58/0x14c [ 217.754369][ T6913] el0_svc+0x78/0x1e0 [ 217.755056][ T6913] el0t_64_sync_handler+0xcc/0xe4 [ 217.755930][ T6913] el0t_64_sync+0x1a0/0x1a4 [ 217.756938][ T6913] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.759111][ T6913] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.898282][ T6916] loop1: detected capacity change from 0 to 32768 [ 217.949483][ T6916] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.950702][ T6916] CPU: 0 PID: 6916 Comm: syz.1.598 Not tainted 5.15.189-syzkaller #0 [ 217.952069][ T6916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.953780][ T6916] Call trace: [ 217.954362][ T6916] dump_backtrace+0x0/0x43c [ 217.955053][ T6916] show_stack+0x2c/0x3c [ 217.955757][ T6916] __dump_stack+0x30/0x40 [ 217.956456][ T6916] dump_stack_lvl+0xf8/0x160 [ 217.957232][ T6916] dump_stack+0x1c/0x5c [ 217.957852][ T6916] sysfs_create_dir_ns+0x22c/0x24c [ 217.958653][ T6916] kobject_add_internal+0x590/0xc54 [ 217.959511][ T6916] kobject_init_and_add+0x118/0x17c [ 217.960455][ T6916] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.961250][ T6916] gfs2_fill_super+0xdac/0x19e0 [ 217.962057][ T6916] get_tree_bdev+0x358/0x544 [ 217.962824][ T6916] gfs2_get_tree+0x54/0x1b4 [ 217.963550][ T6916] vfs_get_tree+0x90/0x274 [ 217.964307][ T6916] do_new_mount+0x228/0x810 [ 217.965058][ T6916] path_mount+0x5b4/0x1000 [ 217.965764][ T6916] __arm64_sys_mount+0x514/0x5e4 [ 217.966606][ T6916] invoke_syscall+0x98/0x2b8 [ 217.967342][ T6916] el0_svc_common+0x138/0x258 [ 217.968158][ T6916] do_el0_svc+0x58/0x14c [ 217.968804][ T6916] el0_svc+0x78/0x1e0 [ 217.969385][ T6916] el0t_64_sync_handler+0xcc/0xe4 [ 217.970235][ T6916] el0t_64_sync+0x1a0/0x1a4 [ 217.972494][ T6916] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.974783][ T6916] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.114287][ T6919] loop1: detected capacity change from 0 to 32768 [ 218.121517][ T6919] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.122685][ T6919] CPU: 1 PID: 6919 Comm: syz.1.599 Not tainted 5.15.189-syzkaller #0 [ 218.123855][ T6919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.125339][ T6919] Call trace: [ 218.125773][ T6919] dump_backtrace+0x0/0x43c [ 218.126540][ T6919] show_stack+0x2c/0x3c [ 218.127274][ T6919] __dump_stack+0x30/0x40 [ 218.127948][ T6919] dump_stack_lvl+0xf8/0x160 [ 218.128666][ T6919] dump_stack+0x1c/0x5c [ 218.129409][ T6919] sysfs_create_dir_ns+0x22c/0x24c [ 218.130251][ T6919] kobject_add_internal+0x590/0xc54 [ 218.131156][ T6919] kobject_init_and_add+0x118/0x17c [ 218.132009][ T6919] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.132760][ T6919] gfs2_fill_super+0xdac/0x19e0 [ 218.133513][ T6919] get_tree_bdev+0x358/0x544 [ 218.134181][ T6919] gfs2_get_tree+0x54/0x1b4 [ 218.134914][ T6919] vfs_get_tree+0x90/0x274 [ 218.135579][ T6919] do_new_mount+0x228/0x810 [ 218.136224][ T6919] path_mount+0x5b4/0x1000 [ 218.136885][ T6919] __arm64_sys_mount+0x514/0x5e4 [ 218.137607][ T6919] invoke_syscall+0x98/0x2b8 [ 218.138395][ T6919] el0_svc_common+0x138/0x258 [ 218.139176][ T6919] do_el0_svc+0x58/0x14c [ 218.139905][ T6919] el0_svc+0x78/0x1e0 [ 218.140578][ T6919] el0t_64_sync_handler+0xcc/0xe4 [ 218.141449][ T6919] el0t_64_sync+0x1a0/0x1a4 [ 218.142766][ T6919] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.145691][ T6919] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.278365][ T6922] loop1: detected capacity change from 0 to 32768 [ 218.320143][ T6922] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.321458][ T6922] CPU: 0 PID: 6922 Comm: syz.1.600 Not tainted 5.15.189-syzkaller #0 [ 218.322744][ T6922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.324377][ T6922] Call trace: [ 218.324918][ T6922] dump_backtrace+0x0/0x43c [ 218.325676][ T6922] show_stack+0x2c/0x3c [ 218.326349][ T6922] __dump_stack+0x30/0x40 [ 218.327049][ T6922] dump_stack_lvl+0xf8/0x160 [ 218.327708][ T6922] dump_stack+0x1c/0x5c [ 218.328364][ T6922] sysfs_create_dir_ns+0x22c/0x24c [ 218.329278][ T6922] kobject_add_internal+0x590/0xc54 [ 218.330166][ T6922] kobject_init_and_add+0x118/0x17c [ 218.331109][ T6922] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.331877][ T6922] gfs2_fill_super+0xdac/0x19e0 [ 218.332728][ T6922] get_tree_bdev+0x358/0x544 [ 218.333514][ T6922] gfs2_get_tree+0x54/0x1b4 [ 218.334297][ T6922] vfs_get_tree+0x90/0x274 [ 218.335029][ T6922] do_new_mount+0x228/0x810 [ 218.335708][ T6922] path_mount+0x5b4/0x1000 [ 218.336407][ T6922] __arm64_sys_mount+0x514/0x5e4 [ 218.337204][ T6922] invoke_syscall+0x98/0x2b8 [ 218.337969][ T6922] el0_svc_common+0x138/0x258 [ 218.338732][ T6922] do_el0_svc+0x58/0x14c [ 218.339401][ T6922] el0_svc+0x78/0x1e0 [ 218.340038][ T6922] el0t_64_sync_handler+0xcc/0xe4 [ 218.340893][ T6922] el0t_64_sync+0x1a0/0x1a4 [ 218.342693][ T6922] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.344835][ T6922] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.479618][ T6925] loop1: detected capacity change from 0 to 32768 [ 218.518496][ T6925] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.519678][ T6925] CPU: 0 PID: 6925 Comm: syz.1.601 Not tainted 5.15.189-syzkaller #0 [ 218.520860][ T6925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.522340][ T6925] Call trace: [ 218.522819][ T6925] dump_backtrace+0x0/0x43c [ 218.523489][ T6925] show_stack+0x2c/0x3c [ 218.524108][ T6925] __dump_stack+0x30/0x40 [ 218.524792][ T6925] dump_stack_lvl+0xf8/0x160 [ 218.525591][ T6925] dump_stack+0x1c/0x5c [ 218.526287][ T6925] sysfs_create_dir_ns+0x22c/0x24c [ 218.527152][ T6925] kobject_add_internal+0x590/0xc54 [ 218.527977][ T6925] kobject_init_and_add+0x118/0x17c [ 218.528818][ T6925] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.529615][ T6925] gfs2_fill_super+0xdac/0x19e0 [ 218.530427][ T6925] get_tree_bdev+0x358/0x544 [ 218.531112][ T6925] gfs2_get_tree+0x54/0x1b4 [ 218.531775][ T6925] vfs_get_tree+0x90/0x274 [ 218.532485][ T6925] do_new_mount+0x228/0x810 [ 218.533193][ T6925] path_mount+0x5b4/0x1000 [ 218.533918][ T6925] __arm64_sys_mount+0x514/0x5e4 [ 218.534746][ T6925] invoke_syscall+0x98/0x2b8 [ 218.535496][ T6925] el0_svc_common+0x138/0x258 [ 218.536209][ T6925] do_el0_svc+0x58/0x14c [ 218.536832][ T6925] el0_svc+0x78/0x1e0 [ 218.537464][ T6925] el0t_64_sync_handler+0xcc/0xe4 [ 218.538308][ T6925] el0t_64_sync+0x1a0/0x1a4 [ 218.539940][ T6925] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.542137][ T6925] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.679240][ T6928] loop1: detected capacity change from 0 to 32768 [ 218.686888][ T6928] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.688005][ T6928] CPU: 1 PID: 6928 Comm: syz.1.602 Not tainted 5.15.189-syzkaller #0 [ 218.689136][ T6928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.690861][ T6928] Call trace: [ 218.691592][ T6928] dump_backtrace+0x0/0x43c [ 218.692276][ T6928] show_stack+0x2c/0x3c [ 218.692858][ T6928] __dump_stack+0x30/0x40 [ 218.693479][ T6928] dump_stack_lvl+0xf8/0x160 [ 218.694208][ T6928] dump_stack+0x1c/0x5c [ 218.694793][ T6928] sysfs_create_dir_ns+0x22c/0x24c [ 218.695554][ T6928] kobject_add_internal+0x590/0xc54 [ 218.696308][ T6928] kobject_init_and_add+0x118/0x17c [ 218.697189][ T6928] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.697980][ T6928] gfs2_fill_super+0xdac/0x19e0 [ 218.698726][ T6928] get_tree_bdev+0x358/0x544 [ 218.699392][ T6928] gfs2_get_tree+0x54/0x1b4 [ 218.700155][ T6928] vfs_get_tree+0x90/0x274 [ 218.700898][ T6928] do_new_mount+0x228/0x810 [ 218.701690][ T6928] path_mount+0x5b4/0x1000 [ 218.702428][ T6928] __arm64_sys_mount+0x514/0x5e4 [ 218.703267][ T6928] invoke_syscall+0x98/0x2b8 [ 218.704035][ T6928] el0_svc_common+0x138/0x258 [ 218.704840][ T6928] do_el0_svc+0x58/0x14c [ 218.705518][ T6928] el0_svc+0x78/0x1e0 [ 218.706171][ T6928] el0t_64_sync_handler+0xcc/0xe4 [ 218.706973][ T6928] el0t_64_sync+0x1a0/0x1a4 [ 218.709273][ T6928] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.711462][ T6928] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.844613][ T6931] loop1: detected capacity change from 0 to 32768 [ 218.884914][ T6931] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.886021][ T6931] CPU: 0 PID: 6931 Comm: syz.1.603 Not tainted 5.15.189-syzkaller #0 [ 218.887123][ T6931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.888535][ T6931] Call trace: [ 218.888958][ T6931] dump_backtrace+0x0/0x43c [ 218.889622][ T6931] show_stack+0x2c/0x3c [ 218.890313][ T6931] __dump_stack+0x30/0x40 [ 218.891048][ T6931] dump_stack_lvl+0xf8/0x160 [ 218.891797][ T6931] dump_stack+0x1c/0x5c [ 218.892429][ T6931] sysfs_create_dir_ns+0x22c/0x24c [ 218.893270][ T6931] kobject_add_internal+0x590/0xc54 [ 218.894151][ T6931] kobject_init_and_add+0x118/0x17c [ 218.895038][ T6931] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.895835][ T6931] gfs2_fill_super+0xdac/0x19e0 [ 218.896636][ T6931] get_tree_bdev+0x358/0x544 [ 218.897400][ T6931] gfs2_get_tree+0x54/0x1b4 [ 218.898189][ T6931] vfs_get_tree+0x90/0x274 [ 218.898938][ T6931] do_new_mount+0x228/0x810 [ 218.899694][ T6931] path_mount+0x5b4/0x1000 [ 218.900512][ T6931] __arm64_sys_mount+0x514/0x5e4 [ 218.901325][ T6931] invoke_syscall+0x98/0x2b8 [ 218.902086][ T6931] el0_svc_common+0x138/0x258 [ 218.902859][ T6931] do_el0_svc+0x58/0x14c [ 218.903535][ T6931] el0_svc+0x78/0x1e0 [ 218.904187][ T6931] el0t_64_sync_handler+0xcc/0xe4 [ 218.904949][ T6931] el0t_64_sync+0x1a0/0x1a4 [ 218.910264][ T6931] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.912376][ T6931] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.053239][ T6934] loop1: detected capacity change from 0 to 32768 [ 219.061319][ T6934] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.062518][ T6934] CPU: 0 PID: 6934 Comm: syz.1.604 Not tainted 5.15.189-syzkaller #0 [ 219.063838][ T6934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.065491][ T6934] Call trace: [ 219.065978][ T6934] dump_backtrace+0x0/0x43c [ 219.066718][ T6934] show_stack+0x2c/0x3c [ 219.067328][ T6934] __dump_stack+0x30/0x40 [ 219.068030][ T6934] dump_stack_lvl+0xf8/0x160 [ 219.068787][ T6934] dump_stack+0x1c/0x5c [ 219.069521][ T6934] sysfs_create_dir_ns+0x22c/0x24c [ 219.070404][ T6934] kobject_add_internal+0x590/0xc54 [ 219.071260][ T6934] kobject_init_and_add+0x118/0x17c [ 219.072097][ T6934] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.072877][ T6934] gfs2_fill_super+0xdac/0x19e0 [ 219.073700][ T6934] get_tree_bdev+0x358/0x544 [ 219.074425][ T6934] gfs2_get_tree+0x54/0x1b4 [ 219.075172][ T6934] vfs_get_tree+0x90/0x274 [ 219.075865][ T6934] do_new_mount+0x228/0x810 [ 219.076557][ T6934] path_mount+0x5b4/0x1000 [ 219.077206][ T6934] __arm64_sys_mount+0x514/0x5e4 [ 219.078053][ T6934] invoke_syscall+0x98/0x2b8 [ 219.078777][ T6934] el0_svc_common+0x138/0x258 [ 219.079516][ T6934] do_el0_svc+0x58/0x14c [ 219.080144][ T6934] el0_svc+0x78/0x1e0 [ 219.080818][ T6934] el0t_64_sync_handler+0xcc/0xe4 [ 219.081738][ T6934] el0t_64_sync+0x1a0/0x1a4 [ 219.085193][ T6934] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.087169][ T6934] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.228905][ T6937] loop1: detected capacity change from 0 to 32768 [ 219.319585][ T6937] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.320871][ T6937] CPU: 0 PID: 6937 Comm: syz.1.605 Not tainted 5.15.189-syzkaller #0 [ 219.322265][ T6937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.323944][ T6937] Call trace: [ 219.324487][ T6937] dump_backtrace+0x0/0x43c [ 219.325269][ T6937] show_stack+0x2c/0x3c [ 219.325968][ T6937] __dump_stack+0x30/0x40 [ 219.326700][ T6937] dump_stack_lvl+0xf8/0x160 [ 219.327421][ T6937] dump_stack+0x1c/0x5c [ 219.328136][ T6937] sysfs_create_dir_ns+0x22c/0x24c [ 219.328948][ T6937] kobject_add_internal+0x590/0xc54 [ 219.329723][ T6937] kobject_init_and_add+0x118/0x17c [ 219.330518][ T6937] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.331260][ T6937] gfs2_fill_super+0xdac/0x19e0 [ 219.332041][ T6937] get_tree_bdev+0x358/0x544 [ 219.332802][ T6937] gfs2_get_tree+0x54/0x1b4 [ 219.333508][ T6937] vfs_get_tree+0x90/0x274 [ 219.334261][ T6937] do_new_mount+0x228/0x810 [ 219.335008][ T6937] path_mount+0x5b4/0x1000 [ 219.335720][ T6937] __arm64_sys_mount+0x514/0x5e4 [ 219.336533][ T6937] invoke_syscall+0x98/0x2b8 [ 219.337316][ T6937] el0_svc_common+0x138/0x258 [ 219.338105][ T6937] do_el0_svc+0x58/0x14c [ 219.338791][ T6937] el0_svc+0x78/0x1e0 [ 219.339423][ T6937] el0t_64_sync_handler+0xcc/0xe4 [ 219.340271][ T6937] el0t_64_sync+0x1a0/0x1a4 [ 219.342518][ T6937] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.344846][ T6937] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.476081][ T6940] loop1: detected capacity change from 0 to 32768 [ 219.587792][ T6940] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.589032][ T6940] CPU: 1 PID: 6940 Comm: syz.1.606 Not tainted 5.15.189-syzkaller #0 [ 219.590279][ T6940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.591608][ T6940] Call trace: [ 219.592040][ T6940] dump_backtrace+0x0/0x43c [ 219.592704][ T6940] show_stack+0x2c/0x3c [ 219.593315][ T6940] __dump_stack+0x30/0x40 [ 219.594005][ T6940] dump_stack_lvl+0xf8/0x160 [ 219.594744][ T6940] dump_stack+0x1c/0x5c [ 219.595421][ T6940] sysfs_create_dir_ns+0x22c/0x24c [ 219.596257][ T6940] kobject_add_internal+0x590/0xc54 [ 219.597015][ T6940] kobject_init_and_add+0x118/0x17c [ 219.597804][ T6940] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.598490][ T6940] gfs2_fill_super+0xdac/0x19e0 [ 219.599175][ T6940] get_tree_bdev+0x358/0x544 [ 219.599855][ T6940] gfs2_get_tree+0x54/0x1b4 [ 219.600468][ T6940] vfs_get_tree+0x90/0x274 [ 219.601097][ T6940] do_new_mount+0x228/0x810 [ 219.601731][ T6940] path_mount+0x5b4/0x1000 [ 219.602369][ T6940] __arm64_sys_mount+0x514/0x5e4 [ 219.603126][ T6940] invoke_syscall+0x98/0x2b8 [ 219.603807][ T6940] el0_svc_common+0x138/0x258 [ 219.604478][ T6940] do_el0_svc+0x58/0x14c [ 219.605060][ T6940] el0_svc+0x78/0x1e0 [ 219.605656][ T6940] el0t_64_sync_handler+0xcc/0xe4 [ 219.606428][ T6940] el0t_64_sync+0x1a0/0x1a4 [ 219.607312][ T6940] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.609299][ T6940] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.740863][ T6943] loop1: detected capacity change from 0 to 32768 [ 219.774781][ T6943] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.776063][ T6943] CPU: 0 PID: 6943 Comm: syz.1.607 Not tainted 5.15.189-syzkaller #0 [ 219.777440][ T6943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.779044][ T6943] Call trace: [ 219.779581][ T6943] dump_backtrace+0x0/0x43c [ 219.780329][ T6943] show_stack+0x2c/0x3c [ 219.781003][ T6943] __dump_stack+0x30/0x40 [ 219.781765][ T6943] dump_stack_lvl+0xf8/0x160 [ 219.782469][ T6943] dump_stack+0x1c/0x5c [ 219.783073][ T6943] sysfs_create_dir_ns+0x22c/0x24c [ 219.783910][ T6943] kobject_add_internal+0x590/0xc54 [ 219.784735][ T6943] kobject_init_and_add+0x118/0x17c [ 219.785617][ T6943] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.786384][ T6943] gfs2_fill_super+0xdac/0x19e0 [ 219.787180][ T6943] get_tree_bdev+0x358/0x544 [ 219.787935][ T6943] gfs2_get_tree+0x54/0x1b4 [ 219.788698][ T6943] vfs_get_tree+0x90/0x274 [ 219.789503][ T6943] do_new_mount+0x228/0x810 [ 219.790249][ T6943] path_mount+0x5b4/0x1000 [ 219.790977][ T6943] __arm64_sys_mount+0x514/0x5e4 [ 219.791769][ T6943] invoke_syscall+0x98/0x2b8 [ 219.792548][ T6943] el0_svc_common+0x138/0x258 [ 219.793326][ T6943] do_el0_svc+0x58/0x14c [ 219.794060][ T6943] el0_svc+0x78/0x1e0 [ 219.794783][ T6943] el0t_64_sync_handler+0xcc/0xe4 [ 219.795658][ T6943] el0t_64_sync+0x1a0/0x1a4 [ 219.797909][ T6943] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.799940][ T6943] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.940278][ T6946] loop1: detected capacity change from 0 to 32768 [ 219.948467][ T6946] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.949739][ T6946] CPU: 0 PID: 6946 Comm: syz.1.608 Not tainted 5.15.189-syzkaller #0 [ 219.951082][ T6946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.952794][ T6946] Call trace: [ 219.953350][ T6946] dump_backtrace+0x0/0x43c [ 219.954102][ T6946] show_stack+0x2c/0x3c [ 219.954792][ T6946] __dump_stack+0x30/0x40 [ 219.955520][ T6946] dump_stack_lvl+0xf8/0x160 [ 219.956282][ T6946] dump_stack+0x1c/0x5c [ 219.956972][ T6946] sysfs_create_dir_ns+0x22c/0x24c [ 219.957787][ T6946] kobject_add_internal+0x590/0xc54 [ 219.958714][ T6946] kobject_init_and_add+0x118/0x17c [ 219.959604][ T6946] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.960411][ T6946] gfs2_fill_super+0xdac/0x19e0 [ 219.961200][ T6946] get_tree_bdev+0x358/0x544 [ 219.961973][ T6946] gfs2_get_tree+0x54/0x1b4 [ 219.962660][ T6946] vfs_get_tree+0x90/0x274 [ 219.963385][ T6946] do_new_mount+0x228/0x810 [ 219.964107][ T6946] path_mount+0x5b4/0x1000 [ 219.964797][ T6946] __arm64_sys_mount+0x514/0x5e4 [ 219.965664][ T6946] invoke_syscall+0x98/0x2b8 [ 219.966437][ T6946] el0_svc_common+0x138/0x258 [ 219.967227][ T6946] do_el0_svc+0x58/0x14c [ 219.967925][ T6946] el0_svc+0x78/0x1e0 [ 219.968602][ T6946] el0t_64_sync_handler+0xcc/0xe4 [ 219.969446][ T6946] el0t_64_sync+0x1a0/0x1a4 [ 219.972178][ T6946] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.974247][ T6946] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.114396][ T6949] loop1: detected capacity change from 0 to 32768 [ 220.122146][ T6949] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.123650][ T6949] CPU: 0 PID: 6949 Comm: syz.1.609 Not tainted 5.15.189-syzkaller #0 [ 220.124901][ T6949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.126515][ T6949] Call trace: [ 220.127071][ T6949] dump_backtrace+0x0/0x43c [ 220.127873][ T6949] show_stack+0x2c/0x3c [ 220.128592][ T6949] __dump_stack+0x30/0x40 [ 220.129375][ T6949] dump_stack_lvl+0xf8/0x160 [ 220.130208][ T6949] dump_stack+0x1c/0x5c [ 220.130924][ T6949] sysfs_create_dir_ns+0x22c/0x24c [ 220.131744][ T6949] kobject_add_internal+0x590/0xc54 [ 220.132539][ T6949] kobject_init_and_add+0x118/0x17c [ 220.133363][ T6949] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.134133][ T6949] gfs2_fill_super+0xdac/0x19e0 [ 220.134885][ T6949] get_tree_bdev+0x358/0x544 [ 220.135557][ T6949] gfs2_get_tree+0x54/0x1b4 [ 220.136270][ T6949] vfs_get_tree+0x90/0x274 [ 220.136929][ T6949] do_new_mount+0x228/0x810 [ 220.137640][ T6949] path_mount+0x5b4/0x1000 [ 220.138354][ T6949] __arm64_sys_mount+0x514/0x5e4 [ 220.139112][ T6949] invoke_syscall+0x98/0x2b8 [ 220.139810][ T6949] el0_svc_common+0x138/0x258 [ 220.140597][ T6949] do_el0_svc+0x58/0x14c [ 220.141346][ T6949] el0_svc+0x78/0x1e0 [ 220.142068][ T6949] el0t_64_sync_handler+0xcc/0xe4 [ 220.142931][ T6949] el0t_64_sync+0x1a0/0x1a4 [ 220.144423][ T6949] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.146518][ T6949] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.163608][ T21] Bluetooth: hci1: command 0x0406 tx timeout [ 220.282696][ T6952] loop1: detected capacity change from 0 to 32768 [ 220.289954][ T6952] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.291151][ T6952] CPU: 1 PID: 6952 Comm: syz.1.610 Not tainted 5.15.189-syzkaller #0 [ 220.292562][ T6952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.294230][ T6952] Call trace: [ 220.294752][ T6952] dump_backtrace+0x0/0x43c [ 220.295425][ T6952] show_stack+0x2c/0x3c [ 220.296122][ T6952] __dump_stack+0x30/0x40 [ 220.296859][ T6952] dump_stack_lvl+0xf8/0x160 [ 220.297637][ T6952] dump_stack+0x1c/0x5c [ 220.298315][ T6952] sysfs_create_dir_ns+0x22c/0x24c [ 220.299086][ T6952] kobject_add_internal+0x590/0xc54 [ 220.299949][ T6952] kobject_init_and_add+0x118/0x17c [ 220.300770][ T6952] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.301519][ T6952] gfs2_fill_super+0xdac/0x19e0 [ 220.302187][ T6952] get_tree_bdev+0x358/0x544 [ 220.302866][ T6952] gfs2_get_tree+0x54/0x1b4 [ 220.303500][ T6952] vfs_get_tree+0x90/0x274 [ 220.304221][ T6952] do_new_mount+0x228/0x810 [ 220.305008][ T6952] path_mount+0x5b4/0x1000 [ 220.305773][ T6952] __arm64_sys_mount+0x514/0x5e4 [ 220.306612][ T6952] invoke_syscall+0x98/0x2b8 [ 220.307414][ T6952] el0_svc_common+0x138/0x258 [ 220.308205][ T6952] do_el0_svc+0x58/0x14c [ 220.308902][ T6952] el0_svc+0x78/0x1e0 [ 220.309555][ T6952] el0t_64_sync_handler+0xcc/0xe4 [ 220.310429][ T6952] el0t_64_sync+0x1a0/0x1a4 [ 220.312947][ T6952] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.316619][ T6952] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.455721][ T6955] loop1: detected capacity change from 0 to 32768 [ 220.463684][ T6955] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.464817][ T6955] CPU: 0 PID: 6955 Comm: syz.1.611 Not tainted 5.15.189-syzkaller #0 [ 220.466137][ T6955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.467846][ T6955] Call trace: [ 220.468390][ T6955] dump_backtrace+0x0/0x43c [ 220.469143][ T6955] show_stack+0x2c/0x3c [ 220.469771][ T6955] __dump_stack+0x30/0x40 [ 220.470508][ T6955] dump_stack_lvl+0xf8/0x160 [ 220.471233][ T6955] dump_stack+0x1c/0x5c [ 220.471901][ T6955] sysfs_create_dir_ns+0x22c/0x24c [ 220.472749][ T6955] kobject_add_internal+0x590/0xc54 [ 220.473612][ T6955] kobject_init_and_add+0x118/0x17c [ 220.474491][ T6955] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.475308][ T6955] gfs2_fill_super+0xdac/0x19e0 [ 220.476136][ T6955] get_tree_bdev+0x358/0x544 [ 220.476926][ T6955] gfs2_get_tree+0x54/0x1b4 [ 220.477692][ T6955] vfs_get_tree+0x90/0x274 [ 220.478388][ T6955] do_new_mount+0x228/0x810 [ 220.479127][ T6955] path_mount+0x5b4/0x1000 [ 220.479864][ T6955] __arm64_sys_mount+0x514/0x5e4 [ 220.480661][ T6955] invoke_syscall+0x98/0x2b8 [ 220.481424][ T6955] el0_svc_common+0x138/0x258 [ 220.482210][ T6955] do_el0_svc+0x58/0x14c [ 220.482897][ T6955] el0_svc+0x78/0x1e0 [ 220.483569][ T6955] el0t_64_sync_handler+0xcc/0xe4 [ 220.484407][ T6955] el0t_64_sync+0x1a0/0x1a4 [ 220.487244][ T6955] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.489155][ T6955] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.625474][ T6958] loop1: detected capacity change from 0 to 32768 [ 220.633683][ T6958] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.634845][ T6958] CPU: 1 PID: 6958 Comm: syz.1.612 Not tainted 5.15.189-syzkaller #0 [ 220.635990][ T6958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.637358][ T6958] Call trace: [ 220.637823][ T6958] dump_backtrace+0x0/0x43c [ 220.638511][ T6958] show_stack+0x2c/0x3c [ 220.639097][ T6958] __dump_stack+0x30/0x40 [ 220.639701][ T6958] dump_stack_lvl+0xf8/0x160 [ 220.640357][ T6958] dump_stack+0x1c/0x5c [ 220.640891][ T6958] sysfs_create_dir_ns+0x22c/0x24c [ 220.641570][ T6958] kobject_add_internal+0x590/0xc54 [ 220.642328][ T6958] kobject_init_and_add+0x118/0x17c [ 220.643158][ T6958] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.643936][ T6958] gfs2_fill_super+0xdac/0x19e0 [ 220.644644][ T6958] get_tree_bdev+0x358/0x544 [ 220.645335][ T6958] gfs2_get_tree+0x54/0x1b4 [ 220.645933][ T6958] vfs_get_tree+0x90/0x274 [ 220.646585][ T6958] do_new_mount+0x228/0x810 [ 220.647236][ T6958] path_mount+0x5b4/0x1000 [ 220.647875][ T6958] __arm64_sys_mount+0x514/0x5e4 [ 220.648622][ T6958] invoke_syscall+0x98/0x2b8 [ 220.649265][ T6958] el0_svc_common+0x138/0x258 [ 220.649930][ T6958] do_el0_svc+0x58/0x14c [ 220.650587][ T6958] el0_svc+0x78/0x1e0 [ 220.651154][ T6958] el0t_64_sync_handler+0xcc/0xe4 [ 220.651915][ T6958] el0t_64_sync+0x1a0/0x1a4 [ 220.654691][ T6958] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.656821][ T6958] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.791162][ T6961] loop1: detected capacity change from 0 to 32768 [ 220.866216][ T6961] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.867516][ T6961] CPU: 0 PID: 6961 Comm: syz.1.613 Not tainted 5.15.189-syzkaller #0 [ 220.868825][ T6961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.870385][ T6961] Call trace: [ 220.870874][ T6961] dump_backtrace+0x0/0x43c [ 220.871544][ T6961] show_stack+0x2c/0x3c [ 220.872209][ T6961] __dump_stack+0x30/0x40 [ 220.872816][ T6961] dump_stack_lvl+0xf8/0x160 [ 220.873478][ T6961] dump_stack+0x1c/0x5c [ 220.874102][ T6961] sysfs_create_dir_ns+0x22c/0x24c [ 220.874875][ T6961] kobject_add_internal+0x590/0xc54 [ 220.875662][ T6961] kobject_init_and_add+0x118/0x17c [ 220.876449][ T6961] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.877188][ T6961] gfs2_fill_super+0xdac/0x19e0 [ 220.877854][ T6961] get_tree_bdev+0x358/0x544 [ 220.878565][ T6961] gfs2_get_tree+0x54/0x1b4 [ 220.879290][ T6961] vfs_get_tree+0x90/0x274 [ 220.879985][ T6961] do_new_mount+0x228/0x810 [ 220.880642][ T6961] path_mount+0x5b4/0x1000 [ 220.881365][ T6961] __arm64_sys_mount+0x514/0x5e4 [ 220.882142][ T6961] invoke_syscall+0x98/0x2b8 [ 220.882876][ T6961] el0_svc_common+0x138/0x258 [ 220.883621][ T6961] do_el0_svc+0x58/0x14c [ 220.884345][ T6961] el0_svc+0x78/0x1e0 [ 220.884996][ T6961] el0t_64_sync_handler+0xcc/0xe4 [ 220.885847][ T6961] el0t_64_sync+0x1a0/0x1a4 [ 220.888065][ T6961] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.890181][ T6961] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.083649][ T6964] loop1: detected capacity change from 0 to 32768 [ 221.149387][ T6964] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.150719][ T6964] CPU: 1 PID: 6964 Comm: syz.1.614 Not tainted 5.15.189-syzkaller #0 [ 221.152060][ T6964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.153565][ T6964] Call trace: [ 221.154095][ T6964] dump_backtrace+0x0/0x43c [ 221.154860][ T6964] show_stack+0x2c/0x3c [ 221.155501][ T6964] __dump_stack+0x30/0x40 [ 221.156156][ T6964] dump_stack_lvl+0xf8/0x160 [ 221.156888][ T6964] dump_stack+0x1c/0x5c [ 221.157533][ T6964] sysfs_create_dir_ns+0x22c/0x24c [ 221.158397][ T6964] kobject_add_internal+0x590/0xc54 [ 221.159189][ T6964] kobject_init_and_add+0x118/0x17c [ 221.160041][ T6964] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.160782][ T6964] gfs2_fill_super+0xdac/0x19e0 [ 221.161498][ T6964] get_tree_bdev+0x358/0x544 [ 221.162152][ T6964] gfs2_get_tree+0x54/0x1b4 [ 221.162827][ T6964] vfs_get_tree+0x90/0x274 [ 221.163527][ T6964] do_new_mount+0x228/0x810 [ 221.164277][ T6964] path_mount+0x5b4/0x1000 [ 221.164985][ T6964] __arm64_sys_mount+0x514/0x5e4 [ 221.165808][ T6964] invoke_syscall+0x98/0x2b8 [ 221.166648][ T6964] el0_svc_common+0x138/0x258 [ 221.167387][ T6964] do_el0_svc+0x58/0x14c [ 221.168031][ T6964] el0_svc+0x78/0x1e0 [ 221.168644][ T6964] el0t_64_sync_handler+0xcc/0xe4 [ 221.169446][ T6964] el0t_64_sync+0x1a0/0x1a4 [ 221.170983][ T6964] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.173145][ T6964] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.306110][ T6967] loop1: detected capacity change from 0 to 32768 [ 221.354833][ T6967] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.356151][ T6967] CPU: 0 PID: 6967 Comm: syz.1.615 Not tainted 5.15.189-syzkaller #0 [ 221.357487][ T6967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.359185][ T6967] Call trace: [ 221.359698][ T6967] dump_backtrace+0x0/0x43c [ 221.360375][ T6967] show_stack+0x2c/0x3c [ 221.361051][ T6967] __dump_stack+0x30/0x40 [ 221.361724][ T6967] dump_stack_lvl+0xf8/0x160 [ 221.362424][ T6967] dump_stack+0x1c/0x5c [ 221.363104][ T6967] sysfs_create_dir_ns+0x22c/0x24c [ 221.363932][ T6967] kobject_add_internal+0x590/0xc54 [ 221.364722][ T6967] kobject_init_and_add+0x118/0x17c [ 221.365606][ T6967] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.366384][ T6967] gfs2_fill_super+0xdac/0x19e0 [ 221.367146][ T6967] get_tree_bdev+0x358/0x544 [ 221.367846][ T6967] gfs2_get_tree+0x54/0x1b4 [ 221.368554][ T6967] vfs_get_tree+0x90/0x274 [ 221.369277][ T6967] do_new_mount+0x228/0x810 [ 221.370009][ T6967] path_mount+0x5b4/0x1000 [ 221.370750][ T6967] __arm64_sys_mount+0x514/0x5e4 [ 221.371528][ T6967] invoke_syscall+0x98/0x2b8 [ 221.372257][ T6967] el0_svc_common+0x138/0x258 [ 221.372942][ T6967] do_el0_svc+0x58/0x14c [ 221.373568][ T6967] el0_svc+0x78/0x1e0 [ 221.374226][ T6967] el0t_64_sync_handler+0xcc/0xe4 [ 221.375082][ T6967] el0t_64_sync+0x1a0/0x1a4 [ 221.377504][ T6967] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.379608][ T6967] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.513563][ T6970] loop1: detected capacity change from 0 to 32768 [ 221.521237][ T6970] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.522451][ T6970] CPU: 1 PID: 6970 Comm: syz.1.616 Not tainted 5.15.189-syzkaller #0 [ 221.523635][ T6970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.525147][ T6970] Call trace: [ 221.525612][ T6970] dump_backtrace+0x0/0x43c [ 221.526288][ T6970] show_stack+0x2c/0x3c [ 221.526857][ T6970] __dump_stack+0x30/0x40 [ 221.527485][ T6970] dump_stack_lvl+0xf8/0x160 [ 221.528132][ T6970] dump_stack+0x1c/0x5c [ 221.528716][ T6970] sysfs_create_dir_ns+0x22c/0x24c [ 221.529584][ T6970] kobject_add_internal+0x590/0xc54 [ 221.530497][ T6970] kobject_init_and_add+0x118/0x17c [ 221.531308][ T6970] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.532040][ T6970] gfs2_fill_super+0xdac/0x19e0 [ 221.532747][ T6970] get_tree_bdev+0x358/0x544 [ 221.533457][ T6970] gfs2_get_tree+0x54/0x1b4 [ 221.534210][ T6970] vfs_get_tree+0x90/0x274 [ 221.534950][ T6970] do_new_mount+0x228/0x810 [ 221.535652][ T6970] path_mount+0x5b4/0x1000 [ 221.536388][ T6970] __arm64_sys_mount+0x514/0x5e4 [ 221.537228][ T6970] invoke_syscall+0x98/0x2b8 [ 221.537878][ T6970] el0_svc_common+0x138/0x258 [ 221.538630][ T6970] do_el0_svc+0x58/0x14c [ 221.539355][ T6970] el0_svc+0x78/0x1e0 [ 221.539985][ T6970] el0t_64_sync_handler+0xcc/0xe4 [ 221.540708][ T6970] el0t_64_sync+0x1a0/0x1a4 [ 221.544115][ T6970] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.546161][ T6970] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.685882][ T6973] loop1: detected capacity change from 0 to 32768 [ 221.693383][ T6973] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.694937][ T6973] CPU: 0 PID: 6973 Comm: syz.1.617 Not tainted 5.15.189-syzkaller #0 [ 221.696157][ T6973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.697783][ T6973] Call trace: [ 221.698317][ T6973] dump_backtrace+0x0/0x43c [ 221.699063][ T6973] show_stack+0x2c/0x3c [ 221.699669][ T6973] __dump_stack+0x30/0x40 [ 221.700337][ T6973] dump_stack_lvl+0xf8/0x160 [ 221.701102][ T6973] dump_stack+0x1c/0x5c [ 221.701820][ T6973] sysfs_create_dir_ns+0x22c/0x24c [ 221.702585][ T6973] kobject_add_internal+0x590/0xc54 [ 221.703341][ T6973] kobject_init_and_add+0x118/0x17c [ 221.704088][ T6973] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.704867][ T6973] gfs2_fill_super+0xdac/0x19e0 [ 221.705708][ T6973] get_tree_bdev+0x358/0x544 [ 221.706472][ T6973] gfs2_get_tree+0x54/0x1b4 [ 221.707084][ T6973] vfs_get_tree+0x90/0x274 [ 221.707811][ T6973] do_new_mount+0x228/0x810 [ 221.708492][ T6973] path_mount+0x5b4/0x1000 [ 221.709132][ T6973] __arm64_sys_mount+0x514/0x5e4 [ 221.709812][ T6973] invoke_syscall+0x98/0x2b8 [ 221.710493][ T6973] el0_svc_common+0x138/0x258 [ 221.711278][ T6973] do_el0_svc+0x58/0x14c [ 221.711929][ T6973] el0_svc+0x78/0x1e0 [ 221.712584][ T6973] el0t_64_sync_handler+0xcc/0xe4 [ 221.713354][ T6973] el0t_64_sync+0x1a0/0x1a4 [ 221.717383][ T6973] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.719533][ T6973] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.786865][ T6976] chnl_net:caif_netlink_parms(): no params data found [ 221.810105][ T6976] bridge0: port 1(bridge_slave_0) entered blocking state [ 221.811279][ T6976] bridge0: port 1(bridge_slave_0) entered disabled state [ 221.813217][ T6976] device bridge_slave_0 entered promiscuous mode [ 221.815889][ T6976] bridge0: port 2(bridge_slave_1) entered blocking state [ 221.817057][ T6976] bridge0: port 2(bridge_slave_1) entered disabled state [ 221.818481][ T6976] device bridge_slave_1 entered promiscuous mode [ 221.826609][ T6976] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 221.829270][ T6976] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 221.838670][ T6976] team0: Port device team_slave_0 added [ 221.840504][ T6976] team0: Port device team_slave_1 added [ 221.848055][ T6976] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 221.849107][ T6976] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 221.852837][ T6976] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 221.855391][ T6976] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 221.856539][ T6976] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 221.860189][ T6976] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 221.907659][ T6976] device hsr_slave_0 entered promiscuous mode [ 221.963988][ T6976] device hsr_slave_1 entered promiscuous mode [ 222.003612][ T6976] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 222.004912][ T6976] Cannot create hsr debugfs directory [ 222.046682][ T6976] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 222.487460][ T6976] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 222.532840][ T6976] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 222.577177][ T6976] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 222.722304][ T6976] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 222.761030][ T6976] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 222.812641][ T6976] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 222.858118][ T6976] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 222.921132][ T6976] 8021q: adding VLAN 0 to HW filter on device bond0 [ 222.926470][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 222.928044][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 222.930747][ T6976] 8021q: adding VLAN 0 to HW filter on device team0 [ 222.933407][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 222.935425][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 222.936868][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.938041][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 222.939512][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 222.942450][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 222.946209][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 222.947582][ T354] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.948664][ T354] bridge0: port 2(bridge_slave_1) entered forwarding state [ 222.954950][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 222.958897][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 222.961918][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 222.964763][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 222.966375][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 222.969463][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 222.971386][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 222.974444][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 222.975987][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 222.978654][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 222.980206][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 222.982691][ T6976] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 223.024701][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 223.026037][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 223.029758][ T6976] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 223.037381][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 223.038946][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 223.049216][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 223.050811][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 223.052353][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 223.055511][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 223.058286][ T6976] device veth0_vlan entered promiscuous mode [ 223.062847][ T6976] device veth1_vlan entered promiscuous mode [ 223.072260][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 223.074225][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 223.075739][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 223.077279][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 223.079588][ T6976] device veth0_macvtap entered promiscuous mode [ 223.082279][ T6976] device veth1_macvtap entered promiscuous mode [ 223.091393][ T6976] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.093094][ T6976] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.094871][ T6976] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.096571][ T6976] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.099334][ T6976] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 223.101409][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 223.102826][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 223.104580][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 223.106162][ T523] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 223.108036][ T6976] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 223.109781][ T6976] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.111384][ T6976] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 223.113044][ T6976] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.115328][ T6976] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 223.116560][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 223.118759][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 223.121491][ T6976] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 223.122852][ T6976] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 223.125038][ T6976] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 223.126460][ T6976] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 223.157240][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 223.158633][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 223.160275][ T354] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 223.169539][ T354] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 223.170858][ T354] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 223.172599][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:03:43 executed programs: 604 [ 223.324291][ T6994] loop1: detected capacity change from 0 to 32768 [ 223.367074][ T6994] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.368271][ T6994] CPU: 1 PID: 6994 Comm: syz.1.618 Not tainted 5.15.189-syzkaller #0 [ 223.369478][ T6994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.370850][ T6994] Call trace: [ 223.371308][ T6994] dump_backtrace+0x0/0x43c [ 223.371988][ T6994] show_stack+0x2c/0x3c [ 223.372562][ T6994] __dump_stack+0x30/0x40 [ 223.373165][ T6994] dump_stack_lvl+0xf8/0x160 [ 223.373786][ T6994] dump_stack+0x1c/0x5c [ 223.374373][ T6994] sysfs_create_dir_ns+0x22c/0x24c [ 223.375125][ T6994] kobject_add_internal+0x590/0xc54 [ 223.375849][ T6994] kobject_init_and_add+0x118/0x17c [ 223.376610][ T6994] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.377294][ T6994] gfs2_fill_super+0xdac/0x19e0 [ 223.378087][ T6994] get_tree_bdev+0x358/0x544 [ 223.378842][ T6994] gfs2_get_tree+0x54/0x1b4 [ 223.379524][ T6994] vfs_get_tree+0x90/0x274 [ 223.380200][ T6994] do_new_mount+0x228/0x810 [ 223.380870][ T6994] path_mount+0x5b4/0x1000 [ 223.381591][ T6994] __arm64_sys_mount+0x514/0x5e4 [ 223.382411][ T6994] invoke_syscall+0x98/0x2b8 [ 223.383085][ T6994] el0_svc_common+0x138/0x258 [ 223.383834][ T6994] do_el0_svc+0x58/0x14c [ 223.384511][ T6994] el0_svc+0x78/0x1e0 [ 223.385111][ T6994] el0t_64_sync_handler+0xcc/0xe4 [ 223.385886][ T6994] el0t_64_sync+0x1a0/0x1a4 [ 223.388500][ T6994] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.390789][ T6994] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.525415][ T6997] loop1: detected capacity change from 0 to 32768 [ 223.566514][ T6997] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.567711][ T6997] CPU: 1 PID: 6997 Comm: syz.1.619 Not tainted 5.15.189-syzkaller #0 [ 223.568958][ T6997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.570580][ T6997] Call trace: [ 223.571091][ T6997] dump_backtrace+0x0/0x43c [ 223.571817][ T6997] show_stack+0x2c/0x3c [ 223.572521][ T6997] __dump_stack+0x30/0x40 [ 223.573178][ T6997] dump_stack_lvl+0xf8/0x160 [ 223.573922][ T6997] dump_stack+0x1c/0x5c [ 223.574561][ T6997] sysfs_create_dir_ns+0x22c/0x24c [ 223.575410][ T6997] kobject_add_internal+0x590/0xc54 [ 223.576195][ T6997] kobject_init_and_add+0x118/0x17c [ 223.577036][ T6997] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.577798][ T6997] gfs2_fill_super+0xdac/0x19e0 [ 223.578637][ T6997] get_tree_bdev+0x358/0x544 [ 223.579362][ T6997] gfs2_get_tree+0x54/0x1b4 [ 223.580012][ T6997] vfs_get_tree+0x90/0x274 [ 223.580628][ T6997] do_new_mount+0x228/0x810 [ 223.581308][ T6997] path_mount+0x5b4/0x1000 [ 223.582029][ T6997] __arm64_sys_mount+0x514/0x5e4 [ 223.582754][ T6997] invoke_syscall+0x98/0x2b8 [ 223.583443][ T6997] el0_svc_common+0x138/0x258 [ 223.584081][ T6997] do_el0_svc+0x58/0x14c [ 223.584725][ T6997] el0_svc+0x78/0x1e0 [ 223.585318][ T6997] el0t_64_sync_handler+0xcc/0xe4 [ 223.586003][ T6997] el0t_64_sync+0x1a0/0x1a4 [ 223.587389][ T6997] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.589390][ T6997] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.689588][ T1644] device hsr_slave_0 left promiscuous mode [ 223.733894][ T1644] device hsr_slave_1 left promiscuous mode [ 223.771472][ T7000] loop1: detected capacity change from 0 to 32768 [ 223.773691][ T25] Bluetooth: hci2: command 0x0409 tx timeout [ 223.813547][ T1644] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 223.814767][ T1644] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 223.817145][ T1644] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 223.818166][ T1644] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 223.819807][ T7000] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.820963][ T7000] CPU: 0 PID: 7000 Comm: syz.1.620 Not tainted 5.15.189-syzkaller #0 [ 223.822284][ T7000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.823286][ T1644] device bridge_slave_1 left promiscuous mode [ 223.823886][ T7000] Call trace: [ 223.823894][ T7000] dump_backtrace+0x0/0x43c [ 223.823914][ T7000] show_stack+0x2c/0x3c [ 223.823922][ T7000] __dump_stack+0x30/0x40 [ 223.823933][ T7000] dump_stack_lvl+0xf8/0x160 [ 223.825702][ T1644] bridge0: port 2(bridge_slave_1) entered disabled state [ 223.826103][ T7000] dump_stack+0x1c/0x5c [ 223.829761][ T7000] sysfs_create_dir_ns+0x22c/0x24c [ 223.830522][ T7000] kobject_add_internal+0x590/0xc54 [ 223.831350][ T7000] kobject_init_and_add+0x118/0x17c [ 223.832288][ T7000] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.833158][ T7000] gfs2_fill_super+0xdac/0x19e0 [ 223.833991][ T7000] get_tree_bdev+0x358/0x544 [ 223.834768][ T7000] gfs2_get_tree+0x54/0x1b4 [ 223.835520][ T7000] vfs_get_tree+0x90/0x274 [ 223.836294][ T7000] do_new_mount+0x228/0x810 [ 223.837055][ T7000] path_mount+0x5b4/0x1000 [ 223.837845][ T7000] __arm64_sys_mount+0x514/0x5e4 [ 223.838682][ T7000] invoke_syscall+0x98/0x2b8 [ 223.839427][ T7000] el0_svc_common+0x138/0x258 [ 223.840143][ T7000] do_el0_svc+0x58/0x14c [ 223.840871][ T7000] el0_svc+0x78/0x1e0 [ 223.841517][ T7000] el0t_64_sync_handler+0xcc/0xe4 [ 223.842319][ T7000] el0t_64_sync+0x1a0/0x1a4 [ 223.846397][ T7000] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.848378][ T7000] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.895923][ T1644] device bridge_slave_0 left promiscuous mode [ 223.897074][ T1644] bridge0: port 1(bridge_slave_0) entered disabled state [ 223.980518][ T7003] loop1: detected capacity change from 0 to 32768 [ 224.004092][ T1644] device veth1_macvtap left promiscuous mode [ 224.005146][ T1644] device veth0_macvtap left promiscuous mode [ 224.006201][ T1644] device veth1_vlan left promiscuous mode [ 224.007259][ T1644] device veth0_vlan left promiscuous mode [ 224.070831][ T7003] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.071963][ T7003] CPU: 0 PID: 7003 Comm: syz.1.621 Not tainted 5.15.189-syzkaller #0 [ 224.073290][ T7003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.075004][ T7003] Call trace: [ 224.075546][ T7003] dump_backtrace+0x0/0x43c [ 224.076273][ T7003] show_stack+0x2c/0x3c [ 224.076951][ T7003] __dump_stack+0x30/0x40 [ 224.077736][ T7003] dump_stack_lvl+0xf8/0x160 [ 224.078465][ T7003] dump_stack+0x1c/0x5c [ 224.079128][ T7003] sysfs_create_dir_ns+0x22c/0x24c [ 224.080008][ T7003] kobject_add_internal+0x590/0xc54 [ 224.080833][ T7003] kobject_init_and_add+0x118/0x17c [ 224.081627][ T7003] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.082424][ T7003] gfs2_fill_super+0xdac/0x19e0 [ 224.083240][ T7003] get_tree_bdev+0x358/0x544 [ 224.083962][ T7003] gfs2_get_tree+0x54/0x1b4 [ 224.084697][ T7003] vfs_get_tree+0x90/0x274 [ 224.085356][ T7003] do_new_mount+0x228/0x810 [ 224.086058][ T7003] path_mount+0x5b4/0x1000 [ 224.086751][ T7003] __arm64_sys_mount+0x514/0x5e4 [ 224.087446][ T7003] invoke_syscall+0x98/0x2b8 [ 224.088227][ T7003] el0_svc_common+0x138/0x258 [ 224.089001][ T7003] do_el0_svc+0x58/0x14c [ 224.089730][ T7003] el0_svc+0x78/0x1e0 [ 224.090364][ T7003] el0t_64_sync_handler+0xcc/0xe4 [ 224.091167][ T7003] el0t_64_sync+0x1a0/0x1a4 [ 224.093734][ T7003] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.095680][ T7003] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.159620][ T1644] team0 (unregistering): Port device team_slave_1 removed [ 224.168989][ T1644] team0 (unregistering): Port device team_slave_0 removed [ 224.188170][ T1644] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 224.219090][ T1644] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 224.239674][ T7007] loop1: detected capacity change from 0 to 32768 [ 224.321609][ T1644] bond0 (unregistering): Released all slaves [ 224.328438][ T7007] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.329584][ T7007] CPU: 1 PID: 7007 Comm: syz.1.622 Not tainted 5.15.189-syzkaller #0 [ 224.330969][ T7007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.332629][ T7007] Call trace: [ 224.333156][ T7007] dump_backtrace+0x0/0x43c [ 224.333944][ T7007] show_stack+0x2c/0x3c [ 224.334656][ T7007] __dump_stack+0x30/0x40 [ 224.335403][ T7007] dump_stack_lvl+0xf8/0x160 [ 224.336118][ T7007] dump_stack+0x1c/0x5c [ 224.336785][ T7007] sysfs_create_dir_ns+0x22c/0x24c [ 224.337620][ T7007] kobject_add_internal+0x590/0xc54 [ 224.338504][ T7007] kobject_init_and_add+0x118/0x17c [ 224.339393][ T7007] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.340142][ T7007] gfs2_fill_super+0xdac/0x19e0 [ 224.340929][ T7007] get_tree_bdev+0x358/0x544 [ 224.341697][ T7007] gfs2_get_tree+0x54/0x1b4 [ 224.342391][ T7007] vfs_get_tree+0x90/0x274 [ 224.343083][ T7007] do_new_mount+0x228/0x810 [ 224.343776][ T7007] path_mount+0x5b4/0x1000 [ 224.344421][ T7007] __arm64_sys_mount+0x514/0x5e4 [ 224.345142][ T7007] invoke_syscall+0x98/0x2b8 [ 224.345904][ T7007] el0_svc_common+0x138/0x258 [ 224.346661][ T7007] do_el0_svc+0x58/0x14c [ 224.347377][ T7007] el0_svc+0x78/0x1e0 [ 224.348030][ T7007] el0t_64_sync_handler+0xcc/0xe4 [ 224.348870][ T7007] el0t_64_sync+0x1a0/0x1a4 [ 224.352641][ T7007] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.355467][ T7007] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.509934][ T7010] loop1: detected capacity change from 0 to 32768 [ 224.559426][ T7010] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.560514][ T7010] CPU: 1 PID: 7010 Comm: syz.1.623 Not tainted 5.15.189-syzkaller #0 [ 224.561816][ T7010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.563388][ T7010] Call trace: [ 224.563916][ T7010] dump_backtrace+0x0/0x43c [ 224.564629][ T7010] show_stack+0x2c/0x3c [ 224.565253][ T7010] __dump_stack+0x30/0x40 [ 224.565966][ T7010] dump_stack_lvl+0xf8/0x160 [ 224.566680][ T7010] dump_stack+0x1c/0x5c [ 224.567381][ T7010] sysfs_create_dir_ns+0x22c/0x24c [ 224.568210][ T7010] kobject_add_internal+0x590/0xc54 [ 224.569039][ T7010] kobject_init_and_add+0x118/0x17c [ 224.569765][ T7010] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.570461][ T7010] gfs2_fill_super+0xdac/0x19e0 [ 224.571175][ T7010] get_tree_bdev+0x358/0x544 [ 224.571823][ T7010] gfs2_get_tree+0x54/0x1b4 [ 224.572531][ T7010] vfs_get_tree+0x90/0x274 [ 224.573168][ T7010] do_new_mount+0x228/0x810 [ 224.573801][ T7010] path_mount+0x5b4/0x1000 [ 224.574478][ T7010] __arm64_sys_mount+0x514/0x5e4 [ 224.575226][ T7010] invoke_syscall+0x98/0x2b8 [ 224.575920][ T7010] el0_svc_common+0x138/0x258 [ 224.576665][ T7010] do_el0_svc+0x58/0x14c [ 224.577310][ T7010] el0_svc+0x78/0x1e0 [ 224.578004][ T7010] el0t_64_sync_handler+0xcc/0xe4 [ 224.578843][ T7010] el0t_64_sync+0x1a0/0x1a4 [ 224.582490][ T7010] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.585072][ T7010] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.728363][ T7013] loop1: detected capacity change from 0 to 32768 [ 224.764712][ T7013] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.766045][ T7013] CPU: 1 PID: 7013 Comm: syz.1.624 Not tainted 5.15.189-syzkaller #0 [ 224.767401][ T7013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.768992][ T7013] Call trace: [ 224.769482][ T7013] dump_backtrace+0x0/0x43c [ 224.770282][ T7013] show_stack+0x2c/0x3c [ 224.770877][ T7013] __dump_stack+0x30/0x40 [ 224.771583][ T7013] dump_stack_lvl+0xf8/0x160 [ 224.772325][ T7013] dump_stack+0x1c/0x5c [ 224.772979][ T7013] sysfs_create_dir_ns+0x22c/0x24c [ 224.773773][ T7013] kobject_add_internal+0x590/0xc54 [ 224.774579][ T7013] kobject_init_and_add+0x118/0x17c [ 224.775495][ T7013] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.776268][ T7013] gfs2_fill_super+0xdac/0x19e0 [ 224.777009][ T7013] get_tree_bdev+0x358/0x544 [ 224.777723][ T7013] gfs2_get_tree+0x54/0x1b4 [ 224.778435][ T7013] vfs_get_tree+0x90/0x274 [ 224.779112][ T7013] do_new_mount+0x228/0x810 [ 224.779765][ T7013] path_mount+0x5b4/0x1000 [ 224.780421][ T7013] __arm64_sys_mount+0x514/0x5e4 [ 224.781166][ T7013] invoke_syscall+0x98/0x2b8 [ 224.781822][ T7013] el0_svc_common+0x138/0x258 [ 224.782576][ T7013] do_el0_svc+0x58/0x14c [ 224.783181][ T7013] el0_svc+0x78/0x1e0 [ 224.783761][ T7013] el0t_64_sync_handler+0xcc/0xe4 [ 224.784563][ T7013] el0t_64_sync+0x1a0/0x1a4 [ 224.787610][ T7013] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.789813][ T7013] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.936361][ T7016] loop1: detected capacity change from 0 to 32768 [ 224.944847][ T7016] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.946162][ T7016] CPU: 0 PID: 7016 Comm: syz.1.625 Not tainted 5.15.189-syzkaller #0 [ 224.947459][ T7016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.949068][ T7016] Call trace: [ 224.949562][ T7016] dump_backtrace+0x0/0x43c [ 224.950426][ T7016] show_stack+0x2c/0x3c [ 224.951048][ T7016] __dump_stack+0x30/0x40 [ 224.951730][ T7016] dump_stack_lvl+0xf8/0x160 [ 224.952461][ T7016] dump_stack+0x1c/0x5c [ 224.953144][ T7016] sysfs_create_dir_ns+0x22c/0x24c [ 224.953979][ T7016] kobject_add_internal+0x590/0xc54 [ 224.954853][ T7016] kobject_init_and_add+0x118/0x17c [ 224.955698][ T7016] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.956513][ T7016] gfs2_fill_super+0xdac/0x19e0 [ 224.957279][ T7016] get_tree_bdev+0x358/0x544 [ 224.958039][ T7016] gfs2_get_tree+0x54/0x1b4 [ 224.958754][ T7016] vfs_get_tree+0x90/0x274 [ 224.959434][ T7016] do_new_mount+0x228/0x810 [ 224.960168][ T7016] path_mount+0x5b4/0x1000 [ 224.960849][ T7016] __arm64_sys_mount+0x514/0x5e4 [ 224.961722][ T7016] invoke_syscall+0x98/0x2b8 [ 224.962471][ T7016] el0_svc_common+0x138/0x258 [ 224.963225][ T7016] do_el0_svc+0x58/0x14c [ 224.963892][ T7016] el0_svc+0x78/0x1e0 [ 224.964524][ T7016] el0t_64_sync_handler+0xcc/0xe4 [ 224.965404][ T7016] el0t_64_sync+0x1a0/0x1a4 [ 224.967846][ T7016] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.969865][ T7016] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.106061][ T7019] loop1: detected capacity change from 0 to 32768 [ 225.146687][ T7019] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.147993][ T7019] CPU: 0 PID: 7019 Comm: syz.1.626 Not tainted 5.15.189-syzkaller #0 [ 225.149309][ T7019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.150988][ T7019] Call trace: [ 225.151460][ T7019] dump_backtrace+0x0/0x43c [ 225.152104][ T7019] show_stack+0x2c/0x3c [ 225.152691][ T7019] __dump_stack+0x30/0x40 [ 225.153288][ T7019] dump_stack_lvl+0xf8/0x160 [ 225.153957][ T7019] dump_stack+0x1c/0x5c [ 225.154670][ T7019] sysfs_create_dir_ns+0x22c/0x24c [ 225.155491][ T7019] kobject_add_internal+0x590/0xc54 [ 225.156270][ T7019] kobject_init_and_add+0x118/0x17c [ 225.157151][ T7019] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.157901][ T7019] gfs2_fill_super+0xdac/0x19e0 [ 225.158691][ T7019] get_tree_bdev+0x358/0x544 [ 225.159472][ T7019] gfs2_get_tree+0x54/0x1b4 [ 225.160254][ T7019] vfs_get_tree+0x90/0x274 [ 225.160991][ T7019] do_new_mount+0x228/0x810 [ 225.161710][ T7019] path_mount+0x5b4/0x1000 [ 225.162413][ T7019] __arm64_sys_mount+0x514/0x5e4 [ 225.163252][ T7019] invoke_syscall+0x98/0x2b8 [ 225.164066][ T7019] el0_svc_common+0x138/0x258 [ 225.164832][ T7019] do_el0_svc+0x58/0x14c [ 225.165451][ T7019] el0_svc+0x78/0x1e0 [ 225.166091][ T7019] el0t_64_sync_handler+0xcc/0xe4 [ 225.166970][ T7019] el0t_64_sync+0x1a0/0x1a4 [ 225.169183][ T7019] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.170880][ T7019] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.309669][ T7022] loop1: detected capacity change from 0 to 32768 [ 225.318312][ T7022] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.319373][ T7022] CPU: 1 PID: 7022 Comm: syz.1.627 Not tainted 5.15.189-syzkaller #0 [ 225.320709][ T7022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.322383][ T7022] Call trace: [ 225.322913][ T7022] dump_backtrace+0x0/0x43c [ 225.323625][ T7022] show_stack+0x2c/0x3c [ 225.324301][ T7022] __dump_stack+0x30/0x40 [ 225.325062][ T7022] dump_stack_lvl+0xf8/0x160 [ 225.325810][ T7022] dump_stack+0x1c/0x5c [ 225.326414][ T7022] sysfs_create_dir_ns+0x22c/0x24c [ 225.327189][ T7022] kobject_add_internal+0x590/0xc54 [ 225.328002][ T7022] kobject_init_and_add+0x118/0x17c [ 225.328811][ T7022] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.329621][ T7022] gfs2_fill_super+0xdac/0x19e0 [ 225.330395][ T7022] get_tree_bdev+0x358/0x544 [ 225.331140][ T7022] gfs2_get_tree+0x54/0x1b4 [ 225.331971][ T7022] vfs_get_tree+0x90/0x274 [ 225.332696][ T7022] do_new_mount+0x228/0x810 [ 225.333448][ T7022] path_mount+0x5b4/0x1000 [ 225.334172][ T7022] __arm64_sys_mount+0x514/0x5e4 [ 225.334968][ T7022] invoke_syscall+0x98/0x2b8 [ 225.335775][ T7022] el0_svc_common+0x138/0x258 [ 225.336609][ T7022] do_el0_svc+0x58/0x14c [ 225.337278][ T7022] el0_svc+0x78/0x1e0 [ 225.337896][ T7022] el0t_64_sync_handler+0xcc/0xe4 [ 225.338692][ T7022] el0t_64_sync+0x1a0/0x1a4 [ 225.341150][ T7022] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.343267][ T7022] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.489918][ T7025] loop1: detected capacity change from 0 to 32768 [ 225.569072][ T7025] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.570384][ T7025] CPU: 0 PID: 7025 Comm: syz.1.628 Not tainted 5.15.189-syzkaller #0 [ 225.571730][ T7025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.573346][ T7025] Call trace: [ 225.573920][ T7025] dump_backtrace+0x0/0x43c [ 225.574681][ T7025] show_stack+0x2c/0x3c [ 225.575353][ T7025] __dump_stack+0x30/0x40 [ 225.576037][ T7025] dump_stack_lvl+0xf8/0x160 [ 225.576787][ T7025] dump_stack+0x1c/0x5c [ 225.577570][ T7025] sysfs_create_dir_ns+0x22c/0x24c [ 225.578342][ T7025] kobject_add_internal+0x590/0xc54 [ 225.579187][ T7025] kobject_init_and_add+0x118/0x17c [ 225.580008][ T7025] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.580790][ T7025] gfs2_fill_super+0xdac/0x19e0 [ 225.581602][ T7025] get_tree_bdev+0x358/0x544 [ 225.582333][ T7025] gfs2_get_tree+0x54/0x1b4 [ 225.583025][ T7025] vfs_get_tree+0x90/0x274 [ 225.583708][ T7025] do_new_mount+0x228/0x810 [ 225.584460][ T7025] path_mount+0x5b4/0x1000 [ 225.585131][ T7025] __arm64_sys_mount+0x514/0x5e4 [ 225.585975][ T7025] invoke_syscall+0x98/0x2b8 [ 225.586728][ T7025] el0_svc_common+0x138/0x258 [ 225.587463][ T7025] do_el0_svc+0x58/0x14c [ 225.588194][ T7025] el0_svc+0x78/0x1e0 [ 225.588840][ T7025] el0t_64_sync_handler+0xcc/0xe4 [ 225.589662][ T7025] el0t_64_sync+0x1a0/0x1a4 [ 225.634836][ T7025] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.636788][ T7025] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.771258][ T7028] loop1: detected capacity change from 0 to 32768 [ 225.794783][ T7028] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.796009][ T7028] CPU: 1 PID: 7028 Comm: syz.1.629 Not tainted 5.15.189-syzkaller #0 [ 225.797175][ T7028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.798554][ T7028] Call trace: [ 225.799010][ T7028] dump_backtrace+0x0/0x43c [ 225.799665][ T7028] show_stack+0x2c/0x3c [ 225.800261][ T7028] __dump_stack+0x30/0x40 [ 225.800841][ T7028] dump_stack_lvl+0xf8/0x160 [ 225.801544][ T7028] dump_stack+0x1c/0x5c [ 225.802240][ T7028] sysfs_create_dir_ns+0x22c/0x24c [ 225.803037][ T7028] kobject_add_internal+0x590/0xc54 [ 225.803851][ T7028] kobject_init_and_add+0x118/0x17c [ 225.804723][ T7028] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.805466][ T7028] gfs2_fill_super+0xdac/0x19e0 [ 225.806219][ T7028] get_tree_bdev+0x358/0x544 [ 225.806912][ T7028] gfs2_get_tree+0x54/0x1b4 [ 225.807653][ T7028] vfs_get_tree+0x90/0x274 [ 225.808370][ T7028] do_new_mount+0x228/0x810 [ 225.809035][ T7028] path_mount+0x5b4/0x1000 [ 225.809733][ T7028] __arm64_sys_mount+0x514/0x5e4 [ 225.810529][ T7028] invoke_syscall+0x98/0x2b8 [ 225.811285][ T7028] el0_svc_common+0x138/0x258 [ 225.812048][ T7028] do_el0_svc+0x58/0x14c [ 225.812716][ T7028] el0_svc+0x78/0x1e0 [ 225.813326][ T7028] el0t_64_sync_handler+0xcc/0xe4 [ 225.814170][ T7028] el0t_64_sync+0x1a0/0x1a4 [ 225.816619][ T7028] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.818745][ T7028] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.843537][ T25] Bluetooth: hci2: command 0x041b tx timeout [ 225.958792][ T7031] loop1: detected capacity change from 0 to 32768 [ 226.018337][ T7031] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.019644][ T7031] CPU: 1 PID: 7031 Comm: syz.1.630 Not tainted 5.15.189-syzkaller #0 [ 226.020971][ T7031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.022618][ T7031] Call trace: [ 226.023138][ T7031] dump_backtrace+0x0/0x43c [ 226.023913][ T7031] show_stack+0x2c/0x3c [ 226.024641][ T7031] __dump_stack+0x30/0x40 [ 226.025438][ T7031] dump_stack_lvl+0xf8/0x160 [ 226.026218][ T7031] dump_stack+0x1c/0x5c [ 226.026795][ T7031] sysfs_create_dir_ns+0x22c/0x24c [ 226.027553][ T7031] kobject_add_internal+0x590/0xc54 [ 226.028414][ T7031] kobject_init_and_add+0x118/0x17c [ 226.029253][ T7031] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.030045][ T7031] gfs2_fill_super+0xdac/0x19e0 [ 226.030889][ T7031] get_tree_bdev+0x358/0x544 [ 226.031645][ T7031] gfs2_get_tree+0x54/0x1b4 [ 226.032404][ T7031] vfs_get_tree+0x90/0x274 [ 226.033210][ T7031] do_new_mount+0x228/0x810 [ 226.034001][ T7031] path_mount+0x5b4/0x1000 [ 226.034712][ T7031] __arm64_sys_mount+0x514/0x5e4 [ 226.035470][ T7031] invoke_syscall+0x98/0x2b8 [ 226.036238][ T7031] el0_svc_common+0x138/0x258 [ 226.036996][ T7031] do_el0_svc+0x58/0x14c [ 226.037718][ T7031] el0_svc+0x78/0x1e0 [ 226.038374][ T7031] el0t_64_sync_handler+0xcc/0xe4 [ 226.039117][ T7031] el0t_64_sync+0x1a0/0x1a4 [ 226.041253][ T7031] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.043534][ T7031] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.174574][ T7034] loop1: detected capacity change from 0 to 32768 [ 226.224767][ T7034] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.225969][ T7034] CPU: 1 PID: 7034 Comm: syz.1.631 Not tainted 5.15.189-syzkaller #0 [ 226.227287][ T7034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.228967][ T7034] Call trace: [ 226.229484][ T7034] dump_backtrace+0x0/0x43c [ 226.230245][ T7034] show_stack+0x2c/0x3c [ 226.230910][ T7034] __dump_stack+0x30/0x40 [ 226.231593][ T7034] dump_stack_lvl+0xf8/0x160 [ 226.232317][ T7034] dump_stack+0x1c/0x5c [ 226.232932][ T7034] sysfs_create_dir_ns+0x22c/0x24c [ 226.233679][ T7034] kobject_add_internal+0x590/0xc54 [ 226.234559][ T7034] kobject_init_and_add+0x118/0x17c [ 226.235468][ T7034] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.236282][ T7034] gfs2_fill_super+0xdac/0x19e0 [ 226.237112][ T7034] get_tree_bdev+0x358/0x544 [ 226.237865][ T7034] gfs2_get_tree+0x54/0x1b4 [ 226.238574][ T7034] vfs_get_tree+0x90/0x274 [ 226.239232][ T7034] do_new_mount+0x228/0x810 [ 226.239937][ T7034] path_mount+0x5b4/0x1000 [ 226.240627][ T7034] __arm64_sys_mount+0x514/0x5e4 [ 226.241396][ T7034] invoke_syscall+0x98/0x2b8 [ 226.242077][ T7034] el0_svc_common+0x138/0x258 [ 226.242733][ T7034] do_el0_svc+0x58/0x14c [ 226.243390][ T7034] el0_svc+0x78/0x1e0 [ 226.243985][ T7034] el0t_64_sync_handler+0xcc/0xe4 [ 226.244752][ T7034] el0t_64_sync+0x1a0/0x1a4 [ 226.247840][ T7034] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.249752][ T7034] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.460362][ T7037] loop1: detected capacity change from 0 to 32768 [ 226.507694][ T7037] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.508929][ T7037] CPU: 0 PID: 7037 Comm: syz.1.632 Not tainted 5.15.189-syzkaller #0 [ 226.510233][ T7037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.511893][ T7037] Call trace: [ 226.512416][ T7037] dump_backtrace+0x0/0x43c [ 226.513115][ T7037] show_stack+0x2c/0x3c [ 226.513823][ T7037] __dump_stack+0x30/0x40 [ 226.514547][ T7037] dump_stack_lvl+0xf8/0x160 [ 226.515297][ T7037] dump_stack+0x1c/0x5c [ 226.516014][ T7037] sysfs_create_dir_ns+0x22c/0x24c [ 226.516811][ T7037] kobject_add_internal+0x590/0xc54 [ 226.517654][ T7037] kobject_init_and_add+0x118/0x17c [ 226.518456][ T7037] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.519312][ T7037] gfs2_fill_super+0xdac/0x19e0 [ 226.520113][ T7037] get_tree_bdev+0x358/0x544 [ 226.520936][ T7037] gfs2_get_tree+0x54/0x1b4 [ 226.521663][ T7037] vfs_get_tree+0x90/0x274 [ 226.522390][ T7037] do_new_mount+0x228/0x810 [ 226.523128][ T7037] path_mount+0x5b4/0x1000 [ 226.523834][ T7037] __arm64_sys_mount+0x514/0x5e4 [ 226.524624][ T7037] invoke_syscall+0x98/0x2b8 [ 226.525319][ T7037] el0_svc_common+0x138/0x258 [ 226.526080][ T7037] do_el0_svc+0x58/0x14c [ 226.526768][ T7037] el0_svc+0x78/0x1e0 [ 226.527425][ T7037] el0t_64_sync_handler+0xcc/0xe4 [ 226.528299][ T7037] el0t_64_sync+0x1a0/0x1a4 [ 226.529371][ T7037] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.531321][ T7037] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.670638][ T7040] loop1: detected capacity change from 0 to 32768 [ 226.726452][ T7040] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.727927][ T7040] CPU: 0 PID: 7040 Comm: syz.1.633 Not tainted 5.15.189-syzkaller #0 [ 226.729256][ T7040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.730883][ T7040] Call trace: [ 226.731326][ T7040] dump_backtrace+0x0/0x43c [ 226.732048][ T7040] show_stack+0x2c/0x3c [ 226.732730][ T7040] __dump_stack+0x30/0x40 [ 226.733422][ T7040] dump_stack_lvl+0xf8/0x160 [ 226.734153][ T7040] dump_stack+0x1c/0x5c [ 226.734796][ T7040] sysfs_create_dir_ns+0x22c/0x24c [ 226.735537][ T7040] kobject_add_internal+0x590/0xc54 [ 226.736333][ T7040] kobject_init_and_add+0x118/0x17c [ 226.737086][ T7040] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.737782][ T7040] gfs2_fill_super+0xdac/0x19e0 [ 226.738491][ T7040] get_tree_bdev+0x358/0x544 [ 226.739142][ T7040] gfs2_get_tree+0x54/0x1b4 [ 226.739748][ T7040] vfs_get_tree+0x90/0x274 [ 226.740368][ T7040] do_new_mount+0x228/0x810 [ 226.741005][ T7040] path_mount+0x5b4/0x1000 [ 226.741681][ T7040] __arm64_sys_mount+0x514/0x5e4 [ 226.742499][ T7040] invoke_syscall+0x98/0x2b8 [ 226.743184][ T7040] el0_svc_common+0x138/0x258 [ 226.743935][ T7040] do_el0_svc+0x58/0x14c [ 226.744636][ T7040] el0_svc+0x78/0x1e0 [ 226.745306][ T7040] el0t_64_sync_handler+0xcc/0xe4 [ 226.746079][ T7040] el0t_64_sync+0x1a0/0x1a4 [ 226.748274][ T7040] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.750494][ T7040] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.891491][ T7043] loop1: detected capacity change from 0 to 32768 [ 226.899106][ T7043] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.900288][ T7043] CPU: 1 PID: 7043 Comm: syz.1.634 Not tainted 5.15.189-syzkaller #0 [ 226.901567][ T7043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.903061][ T7043] Call trace: [ 226.903540][ T7043] dump_backtrace+0x0/0x43c [ 226.904354][ T7043] show_stack+0x2c/0x3c [ 226.905027][ T7043] __dump_stack+0x30/0x40 [ 226.905656][ T7043] dump_stack_lvl+0xf8/0x160 [ 226.906325][ T7043] dump_stack+0x1c/0x5c [ 226.906991][ T7043] sysfs_create_dir_ns+0x22c/0x24c [ 226.907788][ T7043] kobject_add_internal+0x590/0xc54 [ 226.908546][ T7043] kobject_init_and_add+0x118/0x17c [ 226.909379][ T7043] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.910173][ T7043] gfs2_fill_super+0xdac/0x19e0 [ 226.910953][ T7043] get_tree_bdev+0x358/0x544 [ 226.911642][ T7043] gfs2_get_tree+0x54/0x1b4 [ 226.912349][ T7043] vfs_get_tree+0x90/0x274 [ 226.913090][ T7043] do_new_mount+0x228/0x810 [ 226.913816][ T7043] path_mount+0x5b4/0x1000 [ 226.914559][ T7043] __arm64_sys_mount+0x514/0x5e4 [ 226.915403][ T7043] invoke_syscall+0x98/0x2b8 [ 226.916144][ T7043] el0_svc_common+0x138/0x258 [ 226.916874][ T7043] do_el0_svc+0x58/0x14c [ 226.917575][ T7043] el0_svc+0x78/0x1e0 [ 226.918181][ T7043] el0t_64_sync_handler+0xcc/0xe4 [ 226.918927][ T7043] el0t_64_sync+0x1a0/0x1a4 [ 226.919722][ T7043] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.921624][ T7043] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.058924][ T7046] loop1: detected capacity change from 0 to 32768 [ 227.115429][ T7046] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.116706][ T7046] CPU: 1 PID: 7046 Comm: syz.1.635 Not tainted 5.15.189-syzkaller #0 [ 227.117929][ T7046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.119528][ T7046] Call trace: [ 227.120028][ T7046] dump_backtrace+0x0/0x43c [ 227.120674][ T7046] show_stack+0x2c/0x3c [ 227.121368][ T7046] __dump_stack+0x30/0x40 [ 227.122039][ T7046] dump_stack_lvl+0xf8/0x160 [ 227.122742][ T7046] dump_stack+0x1c/0x5c [ 227.123426][ T7046] sysfs_create_dir_ns+0x22c/0x24c [ 227.124208][ T7046] kobject_add_internal+0x590/0xc54 [ 227.124990][ T7046] kobject_init_and_add+0x118/0x17c [ 227.125805][ T7046] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.126598][ T7046] gfs2_fill_super+0xdac/0x19e0 [ 227.127441][ T7046] get_tree_bdev+0x358/0x544 [ 227.128216][ T7046] gfs2_get_tree+0x54/0x1b4 [ 227.128954][ T7046] vfs_get_tree+0x90/0x274 [ 227.129634][ T7046] do_new_mount+0x228/0x810 [ 227.130437][ T7046] path_mount+0x5b4/0x1000 [ 227.131139][ T7046] __arm64_sys_mount+0x514/0x5e4 [ 227.131935][ T7046] invoke_syscall+0x98/0x2b8 [ 227.132605][ T7046] el0_svc_common+0x138/0x258 [ 227.133340][ T7046] do_el0_svc+0x58/0x14c [ 227.133965][ T7046] el0_svc+0x78/0x1e0 [ 227.134550][ T7046] el0t_64_sync_handler+0xcc/0xe4 [ 227.135263][ T7046] el0t_64_sync+0x1a0/0x1a4 [ 227.136243][ T7046] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.138765][ T7046] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.318641][ T7049] loop1: detected capacity change from 0 to 32768 [ 227.327738][ T7049] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.328936][ T7049] CPU: 0 PID: 7049 Comm: syz.1.636 Not tainted 5.15.189-syzkaller #0 [ 227.330234][ T7049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.331820][ T7049] Call trace: [ 227.332377][ T7049] dump_backtrace+0x0/0x43c [ 227.333171][ T7049] show_stack+0x2c/0x3c [ 227.333859][ T7049] __dump_stack+0x30/0x40 [ 227.334538][ T7049] dump_stack_lvl+0xf8/0x160 [ 227.335317][ T7049] dump_stack+0x1c/0x5c [ 227.336044][ T7049] sysfs_create_dir_ns+0x22c/0x24c [ 227.336869][ T7049] kobject_add_internal+0x590/0xc54 [ 227.337694][ T7049] kobject_init_and_add+0x118/0x17c [ 227.338532][ T7049] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.339331][ T7049] gfs2_fill_super+0xdac/0x19e0 [ 227.340120][ T7049] get_tree_bdev+0x358/0x544 [ 227.340785][ T7049] gfs2_get_tree+0x54/0x1b4 [ 227.341497][ T7049] vfs_get_tree+0x90/0x274 [ 227.342253][ T7049] do_new_mount+0x228/0x810 [ 227.342969][ T7049] path_mount+0x5b4/0x1000 [ 227.343700][ T7049] __arm64_sys_mount+0x514/0x5e4 [ 227.344476][ T7049] invoke_syscall+0x98/0x2b8 [ 227.345163][ T7049] el0_svc_common+0x138/0x258 [ 227.345910][ T7049] do_el0_svc+0x58/0x14c [ 227.346609][ T7049] el0_svc+0x78/0x1e0 [ 227.347233][ T7049] el0t_64_sync_handler+0xcc/0xe4 [ 227.348065][ T7049] el0t_64_sync+0x1a0/0x1a4 [ 227.352025][ T7049] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.354062][ T7049] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.488886][ T7052] loop1: detected capacity change from 0 to 32768 [ 227.538397][ T7052] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.539714][ T7052] CPU: 0 PID: 7052 Comm: syz.1.637 Not tainted 5.15.189-syzkaller #0 [ 227.540912][ T7052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.542507][ T7052] Call trace: [ 227.543000][ T7052] dump_backtrace+0x0/0x43c [ 227.543754][ T7052] show_stack+0x2c/0x3c [ 227.544397][ T7052] __dump_stack+0x30/0x40 [ 227.545147][ T7052] dump_stack_lvl+0xf8/0x160 [ 227.545915][ T7052] dump_stack+0x1c/0x5c [ 227.546577][ T7052] sysfs_create_dir_ns+0x22c/0x24c [ 227.547461][ T7052] kobject_add_internal+0x590/0xc54 [ 227.548232][ T7052] kobject_init_and_add+0x118/0x17c [ 227.549000][ T7052] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.549723][ T7052] gfs2_fill_super+0xdac/0x19e0 [ 227.550484][ T7052] get_tree_bdev+0x358/0x544 [ 227.551160][ T7052] gfs2_get_tree+0x54/0x1b4 [ 227.551961][ T7052] vfs_get_tree+0x90/0x274 [ 227.552719][ T7052] do_new_mount+0x228/0x810 [ 227.553460][ T7052] path_mount+0x5b4/0x1000 [ 227.554207][ T7052] __arm64_sys_mount+0x514/0x5e4 [ 227.555066][ T7052] invoke_syscall+0x98/0x2b8 [ 227.555829][ T7052] el0_svc_common+0x138/0x258 [ 227.556605][ T7052] do_el0_svc+0x58/0x14c [ 227.557230][ T7052] el0_svc+0x78/0x1e0 [ 227.557854][ T7052] el0t_64_sync_handler+0xcc/0xe4 [ 227.558567][ T7052] el0t_64_sync+0x1a0/0x1a4 [ 227.561623][ T7052] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.563912][ T7052] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.702555][ T7055] loop1: detected capacity change from 0 to 32768 [ 227.749517][ T7055] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.750710][ T7055] CPU: 1 PID: 7055 Comm: syz.1.638 Not tainted 5.15.189-syzkaller #0 [ 227.751979][ T7055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.753470][ T7055] Call trace: [ 227.753957][ T7055] dump_backtrace+0x0/0x43c [ 227.754662][ T7055] show_stack+0x2c/0x3c [ 227.755254][ T7055] __dump_stack+0x30/0x40 [ 227.755865][ T7055] dump_stack_lvl+0xf8/0x160 [ 227.756552][ T7055] dump_stack+0x1c/0x5c [ 227.757126][ T7055] sysfs_create_dir_ns+0x22c/0x24c [ 227.757851][ T7055] kobject_add_internal+0x590/0xc54 [ 227.758586][ T7055] kobject_init_and_add+0x118/0x17c [ 227.759298][ T7055] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.759981][ T7055] gfs2_fill_super+0xdac/0x19e0 [ 227.760770][ T7055] get_tree_bdev+0x358/0x544 [ 227.761492][ T7055] gfs2_get_tree+0x54/0x1b4 [ 227.762183][ T7055] vfs_get_tree+0x90/0x274 [ 227.762872][ T7055] do_new_mount+0x228/0x810 [ 227.763610][ T7055] path_mount+0x5b4/0x1000 [ 227.764285][ T7055] __arm64_sys_mount+0x514/0x5e4 [ 227.765075][ T7055] invoke_syscall+0x98/0x2b8 [ 227.765760][ T7055] el0_svc_common+0x138/0x258 [ 227.766522][ T7055] do_el0_svc+0x58/0x14c [ 227.767181][ T7055] el0_svc+0x78/0x1e0 [ 227.767742][ T7055] el0t_64_sync_handler+0xcc/0xe4 [ 227.768503][ T7055] el0t_64_sync+0x1a0/0x1a4 [ 227.769944][ T7055] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.772019][ T7055] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.902298][ T7058] loop1: detected capacity change from 0 to 32768 [ 227.933493][ T25] Bluetooth: hci2: command 0x040f tx timeout [ 227.944682][ T7058] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.945911][ T7058] CPU: 0 PID: 7058 Comm: syz.1.639 Not tainted 5.15.189-syzkaller #0 [ 227.947127][ T7058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.948795][ T7058] Call trace: [ 227.949360][ T7058] dump_backtrace+0x0/0x43c [ 227.949980][ T7058] show_stack+0x2c/0x3c [ 227.950535][ T7058] __dump_stack+0x30/0x40 [ 227.951167][ T7058] dump_stack_lvl+0xf8/0x160 [ 227.951897][ T7058] dump_stack+0x1c/0x5c [ 227.952500][ T7058] sysfs_create_dir_ns+0x22c/0x24c [ 227.953291][ T7058] kobject_add_internal+0x590/0xc54 [ 227.954076][ T7058] kobject_init_and_add+0x118/0x17c [ 227.954906][ T7058] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.955635][ T7058] gfs2_fill_super+0xdac/0x19e0 [ 227.956362][ T7058] get_tree_bdev+0x358/0x544 [ 227.957094][ T7058] gfs2_get_tree+0x54/0x1b4 [ 227.957733][ T7058] vfs_get_tree+0x90/0x274 [ 227.958472][ T7058] do_new_mount+0x228/0x810 [ 227.959226][ T7058] path_mount+0x5b4/0x1000 [ 227.959943][ T7058] __arm64_sys_mount+0x514/0x5e4 [ 227.960681][ T7058] invoke_syscall+0x98/0x2b8 [ 227.961403][ T7058] el0_svc_common+0x138/0x258 [ 227.962134][ T7058] do_el0_svc+0x58/0x14c [ 227.962800][ T7058] el0_svc+0x78/0x1e0 [ 227.963367][ T7058] el0t_64_sync_handler+0xcc/0xe4 [ 227.964109][ T7058] el0t_64_sync+0x1a0/0x1a4 [ 227.966443][ T7058] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.968643][ T7058] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.104872][ T7061] loop1: detected capacity change from 0 to 32768 [ 228.112428][ T7061] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.113854][ T7061] CPU: 1 PID: 7061 Comm: syz.1.640 Not tainted 5.15.189-syzkaller #0 [ 228.115159][ T7061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.116770][ T7061] Call trace: [ 228.117327][ T7061] dump_backtrace+0x0/0x43c [ 228.118081][ T7061] show_stack+0x2c/0x3c [ 228.118782][ T7061] __dump_stack+0x30/0x40 [ 228.119472][ T7061] dump_stack_lvl+0xf8/0x160 [ 228.120230][ T7061] dump_stack+0x1c/0x5c [ 228.120864][ T7061] sysfs_create_dir_ns+0x22c/0x24c [ 228.121692][ T7061] kobject_add_internal+0x590/0xc54 [ 228.122531][ T7061] kobject_init_and_add+0x118/0x17c [ 228.123346][ T7061] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.124093][ T7061] gfs2_fill_super+0xdac/0x19e0 [ 228.124822][ T7061] get_tree_bdev+0x358/0x544 [ 228.125543][ T7061] gfs2_get_tree+0x54/0x1b4 [ 228.126220][ T7061] vfs_get_tree+0x90/0x274 [ 228.126879][ T7061] do_new_mount+0x228/0x810 [ 228.127522][ T7061] path_mount+0x5b4/0x1000 [ 228.128188][ T7061] __arm64_sys_mount+0x514/0x5e4 [ 228.128917][ T7061] invoke_syscall+0x98/0x2b8 [ 228.129635][ T7061] el0_svc_common+0x138/0x258 [ 228.130410][ T7061] do_el0_svc+0x58/0x14c [ 228.131146][ T7061] el0_svc+0x78/0x1e0 [ 228.131843][ T7061] el0t_64_sync_handler+0xcc/0xe4 [ 228.132676][ T7061] el0t_64_sync+0x1a0/0x1a4 [ 228.134795][ T7061] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.136953][ T7061] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:48 executed programs: 627 [ 228.277090][ T7064] loop1: detected capacity change from 0 to 32768 [ 228.285331][ T7064] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.286515][ T7064] CPU: 0 PID: 7064 Comm: syz.1.641 Not tainted 5.15.189-syzkaller #0 [ 228.287648][ T7064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.289114][ T7064] Call trace: [ 228.289589][ T7064] dump_backtrace+0x0/0x43c [ 228.290256][ T7064] show_stack+0x2c/0x3c [ 228.290845][ T7064] __dump_stack+0x30/0x40 [ 228.291518][ T7064] dump_stack_lvl+0xf8/0x160 [ 228.292155][ T7064] dump_stack+0x1c/0x5c [ 228.292738][ T7064] sysfs_create_dir_ns+0x22c/0x24c [ 228.293505][ T7064] kobject_add_internal+0x590/0xc54 [ 228.294302][ T7064] kobject_init_and_add+0x118/0x17c [ 228.295122][ T7064] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.295818][ T7064] gfs2_fill_super+0xdac/0x19e0 [ 228.296573][ T7064] get_tree_bdev+0x358/0x544 [ 228.297279][ T7064] gfs2_get_tree+0x54/0x1b4 [ 228.297899][ T7064] vfs_get_tree+0x90/0x274 [ 228.298527][ T7064] do_new_mount+0x228/0x810 [ 228.299261][ T7064] path_mount+0x5b4/0x1000 [ 228.299961][ T7064] __arm64_sys_mount+0x514/0x5e4 [ 228.300779][ T7064] invoke_syscall+0x98/0x2b8 [ 228.301505][ T7064] el0_svc_common+0x138/0x258 [ 228.302283][ T7064] do_el0_svc+0x58/0x14c [ 228.302944][ T7064] el0_svc+0x78/0x1e0 [ 228.303559][ T7064] el0t_64_sync_handler+0xcc/0xe4 [ 228.304320][ T7064] el0t_64_sync+0x1a0/0x1a4 [ 228.305268][ T7064] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.307221][ T7064] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.443033][ T7067] loop1: detected capacity change from 0 to 32768 [ 228.450985][ T7067] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.452302][ T7067] CPU: 0 PID: 7067 Comm: syz.1.642 Not tainted 5.15.189-syzkaller #0 [ 228.453720][ T7067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.455434][ T7067] Call trace: [ 228.455968][ T7067] dump_backtrace+0x0/0x43c [ 228.456731][ T7067] show_stack+0x2c/0x3c [ 228.457393][ T7067] __dump_stack+0x30/0x40 [ 228.458098][ T7067] dump_stack_lvl+0xf8/0x160 [ 228.458862][ T7067] dump_stack+0x1c/0x5c [ 228.459532][ T7067] sysfs_create_dir_ns+0x22c/0x24c [ 228.460411][ T7067] kobject_add_internal+0x590/0xc54 [ 228.461230][ T7067] kobject_init_and_add+0x118/0x17c [ 228.462062][ T7067] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.462786][ T7067] gfs2_fill_super+0xdac/0x19e0 [ 228.463559][ T7067] get_tree_bdev+0x358/0x544 [ 228.464381][ T7067] gfs2_get_tree+0x54/0x1b4 [ 228.465058][ T7067] vfs_get_tree+0x90/0x274 [ 228.465705][ T7067] do_new_mount+0x228/0x810 [ 228.466404][ T7067] path_mount+0x5b4/0x1000 [ 228.467016][ T7067] __arm64_sys_mount+0x514/0x5e4 [ 228.467715][ T7067] invoke_syscall+0x98/0x2b8 [ 228.468403][ T7067] el0_svc_common+0x138/0x258 [ 228.469173][ T7067] do_el0_svc+0x58/0x14c [ 228.469921][ T7067] el0_svc+0x78/0x1e0 [ 228.470517][ T7067] el0t_64_sync_handler+0xcc/0xe4 [ 228.471309][ T7067] el0t_64_sync+0x1a0/0x1a4 [ 228.472380][ T7067] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.474555][ T7067] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.606036][ T7070] loop1: detected capacity change from 0 to 32768 [ 228.648699][ T7070] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.649958][ T7070] CPU: 1 PID: 7070 Comm: syz.1.643 Not tainted 5.15.189-syzkaller #0 [ 228.651313][ T7070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.652880][ T7070] Call trace: [ 228.653313][ T7070] dump_backtrace+0x0/0x43c [ 228.654099][ T7070] show_stack+0x2c/0x3c [ 228.654730][ T7070] __dump_stack+0x30/0x40 [ 228.655454][ T7070] dump_stack_lvl+0xf8/0x160 [ 228.656194][ T7070] dump_stack+0x1c/0x5c [ 228.656790][ T7070] sysfs_create_dir_ns+0x22c/0x24c [ 228.657532][ T7070] kobject_add_internal+0x590/0xc54 [ 228.658300][ T7070] kobject_init_and_add+0x118/0x17c [ 228.659088][ T7070] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.659746][ T7070] gfs2_fill_super+0xdac/0x19e0 [ 228.660415][ T7070] get_tree_bdev+0x358/0x544 [ 228.661092][ T7070] gfs2_get_tree+0x54/0x1b4 [ 228.661746][ T7070] vfs_get_tree+0x90/0x274 [ 228.662388][ T7070] do_new_mount+0x228/0x810 [ 228.662998][ T7070] path_mount+0x5b4/0x1000 [ 228.663742][ T7070] __arm64_sys_mount+0x514/0x5e4 [ 228.664585][ T7070] invoke_syscall+0x98/0x2b8 [ 228.665360][ T7070] el0_svc_common+0x138/0x258 [ 228.666143][ T7070] do_el0_svc+0x58/0x14c [ 228.666861][ T7070] el0_svc+0x78/0x1e0 [ 228.667543][ T7070] el0t_64_sync_handler+0xcc/0xe4 [ 228.668355][ T7070] el0t_64_sync+0x1a0/0x1a4 [ 228.670846][ T7070] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.673001][ T7070] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.923958][ T7073] loop1: detected capacity change from 0 to 32768 [ 228.974771][ T7073] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.975968][ T7073] CPU: 1 PID: 7073 Comm: syz.1.644 Not tainted 5.15.189-syzkaller #0 [ 228.977125][ T7073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.978579][ T7073] Call trace: [ 228.979043][ T7073] dump_backtrace+0x0/0x43c [ 228.979669][ T7073] show_stack+0x2c/0x3c [ 228.980268][ T7073] __dump_stack+0x30/0x40 [ 228.980967][ T7073] dump_stack_lvl+0xf8/0x160 [ 228.981703][ T7073] dump_stack+0x1c/0x5c [ 228.982378][ T7073] sysfs_create_dir_ns+0x22c/0x24c [ 228.983181][ T7073] kobject_add_internal+0x590/0xc54 [ 228.983913][ T7073] kobject_init_and_add+0x118/0x17c [ 228.984712][ T7073] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.985389][ T7073] gfs2_fill_super+0xdac/0x19e0 [ 228.986146][ T7073] get_tree_bdev+0x358/0x544 [ 228.986772][ T7073] gfs2_get_tree+0x54/0x1b4 [ 228.987534][ T7073] vfs_get_tree+0x90/0x274 [ 228.988180][ T7073] do_new_mount+0x228/0x810 [ 228.988815][ T7073] path_mount+0x5b4/0x1000 [ 228.989460][ T7073] __arm64_sys_mount+0x514/0x5e4 [ 228.990148][ T7073] invoke_syscall+0x98/0x2b8 [ 228.990820][ T7073] el0_svc_common+0x138/0x258 [ 228.991518][ T7073] do_el0_svc+0x58/0x14c [ 228.992093][ T7073] el0_svc+0x78/0x1e0 [ 228.992798][ T7073] el0t_64_sync_handler+0xcc/0xe4 [ 228.993595][ T7073] el0t_64_sync+0x1a0/0x1a4 [ 228.996770][ T7073] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.998750][ T7073] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.135441][ T7076] loop1: detected capacity change from 0 to 32768 [ 229.164861][ T7076] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.166039][ T7076] CPU: 1 PID: 7076 Comm: syz.1.645 Not tainted 5.15.189-syzkaller #0 [ 229.167210][ T7076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.168609][ T7076] Call trace: [ 229.169079][ T7076] dump_backtrace+0x0/0x43c [ 229.169725][ T7076] show_stack+0x2c/0x3c [ 229.170304][ T7076] __dump_stack+0x30/0x40 [ 229.170891][ T7076] dump_stack_lvl+0xf8/0x160 [ 229.171506][ T7076] dump_stack+0x1c/0x5c [ 229.172097][ T7076] sysfs_create_dir_ns+0x22c/0x24c [ 229.172898][ T7076] kobject_add_internal+0x590/0xc54 [ 229.173696][ T7076] kobject_init_and_add+0x118/0x17c [ 229.174555][ T7076] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.175264][ T7076] gfs2_fill_super+0xdac/0x19e0 [ 229.176017][ T7076] get_tree_bdev+0x358/0x544 [ 229.176693][ T7076] gfs2_get_tree+0x54/0x1b4 [ 229.177327][ T7076] vfs_get_tree+0x90/0x274 [ 229.177941][ T7076] do_new_mount+0x228/0x810 [ 229.178612][ T7076] path_mount+0x5b4/0x1000 [ 229.179337][ T7076] __arm64_sys_mount+0x514/0x5e4 [ 229.180139][ T7076] invoke_syscall+0x98/0x2b8 [ 229.180848][ T7076] el0_svc_common+0x138/0x258 [ 229.181589][ T7076] do_el0_svc+0x58/0x14c [ 229.182284][ T7076] el0_svc+0x78/0x1e0 [ 229.182931][ T7076] el0t_64_sync_handler+0xcc/0xe4 [ 229.183739][ T7076] el0t_64_sync+0x1a0/0x1a4 [ 229.185208][ T7076] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.187238][ T7076] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.324982][ T7079] loop1: detected capacity change from 0 to 32768 [ 229.332785][ T7079] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.334912][ T7079] CPU: 0 PID: 7079 Comm: syz.1.646 Not tainted 5.15.189-syzkaller #0 [ 229.336198][ T7079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.337693][ T7079] Call trace: [ 229.338203][ T7079] dump_backtrace+0x0/0x43c [ 229.338897][ T7079] show_stack+0x2c/0x3c [ 229.339630][ T7079] __dump_stack+0x30/0x40 [ 229.340326][ T7079] dump_stack_lvl+0xf8/0x160 [ 229.341025][ T7079] dump_stack+0x1c/0x5c [ 229.341719][ T7079] sysfs_create_dir_ns+0x22c/0x24c [ 229.342502][ T7079] kobject_add_internal+0x590/0xc54 [ 229.343373][ T7079] kobject_init_and_add+0x118/0x17c [ 229.344181][ T7079] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.344970][ T7079] gfs2_fill_super+0xdac/0x19e0 [ 229.345762][ T7079] get_tree_bdev+0x358/0x544 [ 229.346496][ T7079] gfs2_get_tree+0x54/0x1b4 [ 229.347214][ T7079] vfs_get_tree+0x90/0x274 [ 229.347910][ T7079] do_new_mount+0x228/0x810 [ 229.348660][ T7079] path_mount+0x5b4/0x1000 [ 229.349421][ T7079] __arm64_sys_mount+0x514/0x5e4 [ 229.350201][ T7079] invoke_syscall+0x98/0x2b8 [ 229.350983][ T7079] el0_svc_common+0x138/0x258 [ 229.351722][ T7079] do_el0_svc+0x58/0x14c [ 229.352369][ T7079] el0_svc+0x78/0x1e0 [ 229.352965][ T7079] el0t_64_sync_handler+0xcc/0xe4 [ 229.353713][ T7079] el0t_64_sync+0x1a0/0x1a4 [ 229.355738][ T7079] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.357685][ T7079] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.494446][ T7082] loop1: detected capacity change from 0 to 32768 [ 229.502337][ T7082] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.503803][ T7082] CPU: 1 PID: 7082 Comm: syz.1.647 Not tainted 5.15.189-syzkaller #0 [ 229.505101][ T7082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.506756][ T7082] Call trace: [ 229.507331][ T7082] dump_backtrace+0x0/0x43c [ 229.508100][ T7082] show_stack+0x2c/0x3c [ 229.508701][ T7082] __dump_stack+0x30/0x40 [ 229.509290][ T7082] dump_stack_lvl+0xf8/0x160 [ 229.510022][ T7082] dump_stack+0x1c/0x5c [ 229.510679][ T7082] sysfs_create_dir_ns+0x22c/0x24c [ 229.511411][ T7082] kobject_add_internal+0x590/0xc54 [ 229.512203][ T7082] kobject_init_and_add+0x118/0x17c [ 229.512946][ T7082] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.513609][ T7082] gfs2_fill_super+0xdac/0x19e0 [ 229.514272][ T7082] get_tree_bdev+0x358/0x544 [ 229.514895][ T7082] gfs2_get_tree+0x54/0x1b4 [ 229.515577][ T7082] vfs_get_tree+0x90/0x274 [ 229.516234][ T7082] do_new_mount+0x228/0x810 [ 229.516961][ T7082] path_mount+0x5b4/0x1000 [ 229.517700][ T7082] __arm64_sys_mount+0x514/0x5e4 [ 229.518523][ T7082] invoke_syscall+0x98/0x2b8 [ 229.519290][ T7082] el0_svc_common+0x138/0x258 [ 229.520071][ T7082] do_el0_svc+0x58/0x14c [ 229.520832][ T7082] el0_svc+0x78/0x1e0 [ 229.521496][ T7082] el0t_64_sync_handler+0xcc/0xe4 [ 229.522303][ T7082] el0t_64_sync+0x1a0/0x1a4 [ 229.524615][ T7082] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.526474][ T7082] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.659758][ T7085] loop1: detected capacity change from 0 to 32768 [ 229.708649][ T7085] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.710226][ T7085] CPU: 1 PID: 7085 Comm: syz.1.648 Not tainted 5.15.189-syzkaller #0 [ 229.711531][ T7085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.713020][ T7085] Call trace: [ 229.713545][ T7085] dump_backtrace+0x0/0x43c [ 229.714274][ T7085] show_stack+0x2c/0x3c [ 229.714993][ T7085] __dump_stack+0x30/0x40 [ 229.715674][ T7085] dump_stack_lvl+0xf8/0x160 [ 229.716568][ T7085] dump_stack+0x1c/0x5c [ 229.717290][ T7085] sysfs_create_dir_ns+0x22c/0x24c [ 229.718099][ T7085] kobject_add_internal+0x590/0xc54 [ 229.718863][ T7085] kobject_init_and_add+0x118/0x17c [ 229.719635][ T7085] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.720356][ T7085] gfs2_fill_super+0xdac/0x19e0 [ 229.721086][ T7085] get_tree_bdev+0x358/0x544 [ 229.721726][ T7085] gfs2_get_tree+0x54/0x1b4 [ 229.722375][ T7085] vfs_get_tree+0x90/0x274 [ 229.722983][ T7085] do_new_mount+0x228/0x810 [ 229.723615][ T7085] path_mount+0x5b4/0x1000 [ 229.724224][ T7085] __arm64_sys_mount+0x514/0x5e4 [ 229.724947][ T7085] invoke_syscall+0x98/0x2b8 [ 229.725670][ T7085] el0_svc_common+0x138/0x258 [ 229.726358][ T7085] do_el0_svc+0x58/0x14c [ 229.726970][ T7085] el0_svc+0x78/0x1e0 [ 229.727566][ T7085] el0t_64_sync_handler+0xcc/0xe4 [ 229.728284][ T7085] el0t_64_sync+0x1a0/0x1a4 [ 229.730337][ T7085] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.732167][ T7085] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.982563][ T7088] loop1: detected capacity change from 0 to 32768 [ 229.989914][ T7088] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.991014][ T7088] CPU: 0 PID: 7088 Comm: syz.1.649 Not tainted 5.15.189-syzkaller #0 [ 229.992379][ T7088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.993967][ T7088] Call trace: [ 229.994520][ T7088] dump_backtrace+0x0/0x43c [ 229.995215][ T7088] show_stack+0x2c/0x3c [ 229.995941][ T7088] __dump_stack+0x30/0x40 [ 229.996733][ T7088] dump_stack_lvl+0xf8/0x160 [ 229.997539][ T7088] dump_stack+0x1c/0x5c [ 229.998260][ T7088] sysfs_create_dir_ns+0x22c/0x24c [ 229.999131][ T7088] kobject_add_internal+0x590/0xc54 [ 229.999981][ T7088] kobject_init_and_add+0x118/0x17c [ 230.000860][ T7088] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.001684][ T7088] gfs2_fill_super+0xdac/0x19e0 [ 230.002515][ T7088] get_tree_bdev+0x358/0x544 [ 230.003273][ T7088] gfs2_get_tree+0x54/0x1b4 [ 230.003933][ T7088] vfs_get_tree+0x90/0x274 [ 230.004633][ T7088] do_new_mount+0x228/0x810 [ 230.005276][ T7088] path_mount+0x5b4/0x1000 [ 230.005944][ T7088] __arm64_sys_mount+0x514/0x5e4 [ 230.006631][ T7088] invoke_syscall+0x98/0x2b8 [ 230.007303][ T7088] el0_svc_common+0x138/0x258 [ 230.008063][ T7088] do_el0_svc+0x58/0x14c [ 230.008768][ T7088] el0_svc+0x78/0x1e0 [ 230.009364][ T7088] el0t_64_sync_handler+0xcc/0xe4 [ 230.010132][ T7088] el0t_64_sync+0x1a0/0x1a4 [ 230.012260][ T7088] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.014143][ T25] Bluetooth: hci2: command 0x0419 tx timeout [ 230.015035][ T7088] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.148784][ T7091] loop1: detected capacity change from 0 to 32768 [ 230.194740][ T7091] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.195879][ T7091] CPU: 0 PID: 7091 Comm: syz.1.650 Not tainted 5.15.189-syzkaller #0 [ 230.197082][ T7091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.198728][ T7091] Call trace: [ 230.199211][ T7091] dump_backtrace+0x0/0x43c [ 230.199935][ T7091] show_stack+0x2c/0x3c [ 230.200579][ T7091] __dump_stack+0x30/0x40 [ 230.201260][ T7091] dump_stack_lvl+0xf8/0x160 [ 230.201938][ T7091] dump_stack+0x1c/0x5c [ 230.202608][ T7091] sysfs_create_dir_ns+0x22c/0x24c [ 230.203340][ T7091] kobject_add_internal+0x590/0xc54 [ 230.204094][ T7091] kobject_init_and_add+0x118/0x17c [ 230.204892][ T7091] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.205601][ T7091] gfs2_fill_super+0xdac/0x19e0 [ 230.206403][ T7091] get_tree_bdev+0x358/0x544 [ 230.207081][ T7091] gfs2_get_tree+0x54/0x1b4 [ 230.207731][ T7091] vfs_get_tree+0x90/0x274 [ 230.208384][ T7091] do_new_mount+0x228/0x810 [ 230.208990][ T7091] path_mount+0x5b4/0x1000 [ 230.209644][ T7091] __arm64_sys_mount+0x514/0x5e4 [ 230.210365][ T7091] invoke_syscall+0x98/0x2b8 [ 230.211103][ T7091] el0_svc_common+0x138/0x258 [ 230.211868][ T7091] do_el0_svc+0x58/0x14c [ 230.212593][ T7091] el0_svc+0x78/0x1e0 [ 230.213260][ T7091] el0t_64_sync_handler+0xcc/0xe4 [ 230.214085][ T7091] el0t_64_sync+0x1a0/0x1a4 [ 230.215139][ T7091] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.217319][ T7091] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.422036][ T7094] loop1: detected capacity change from 0 to 32768 [ 230.472742][ T7094] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.473992][ T7094] CPU: 1 PID: 7094 Comm: syz.1.651 Not tainted 5.15.189-syzkaller #0 [ 230.475268][ T7094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.476851][ T7094] Call trace: [ 230.477393][ T7094] dump_backtrace+0x0/0x43c [ 230.478146][ T7094] show_stack+0x2c/0x3c [ 230.478773][ T7094] __dump_stack+0x30/0x40 [ 230.479489][ T7094] dump_stack_lvl+0xf8/0x160 [ 230.480279][ T7094] dump_stack+0x1c/0x5c [ 230.480986][ T7094] sysfs_create_dir_ns+0x22c/0x24c [ 230.481790][ T7094] kobject_add_internal+0x590/0xc54 [ 230.482663][ T7094] kobject_init_and_add+0x118/0x17c [ 230.483461][ T7094] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.484140][ T7094] gfs2_fill_super+0xdac/0x19e0 [ 230.484860][ T7094] get_tree_bdev+0x358/0x544 [ 230.485577][ T7094] gfs2_get_tree+0x54/0x1b4 [ 230.486243][ T7094] vfs_get_tree+0x90/0x274 [ 230.486900][ T7094] do_new_mount+0x228/0x810 [ 230.487546][ T7094] path_mount+0x5b4/0x1000 [ 230.488182][ T7094] __arm64_sys_mount+0x514/0x5e4 [ 230.488970][ T7094] invoke_syscall+0x98/0x2b8 [ 230.489609][ T7094] el0_svc_common+0x138/0x258 [ 230.490258][ T7094] do_el0_svc+0x58/0x14c [ 230.490848][ T7094] el0_svc+0x78/0x1e0 [ 230.491424][ T7094] el0t_64_sync_handler+0xcc/0xe4 [ 230.492162][ T7094] el0t_64_sync+0x1a0/0x1a4 [ 230.495066][ T7094] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.496982][ T7094] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.634271][ T7097] loop1: detected capacity change from 0 to 32768 [ 230.642414][ T7097] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.643795][ T7097] CPU: 1 PID: 7097 Comm: syz.1.652 Not tainted 5.15.189-syzkaller #0 [ 230.644983][ T7097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.646577][ T7097] Call trace: [ 230.647106][ T7097] dump_backtrace+0x0/0x43c [ 230.647799][ T7097] show_stack+0x2c/0x3c [ 230.648501][ T7097] __dump_stack+0x30/0x40 [ 230.649207][ T7097] dump_stack_lvl+0xf8/0x160 [ 230.649958][ T7097] dump_stack+0x1c/0x5c [ 230.650660][ T7097] sysfs_create_dir_ns+0x22c/0x24c [ 230.651516][ T7097] kobject_add_internal+0x590/0xc54 [ 230.652381][ T7097] kobject_init_and_add+0x118/0x17c [ 230.653228][ T7097] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.653936][ T7097] gfs2_fill_super+0xdac/0x19e0 [ 230.654706][ T7097] get_tree_bdev+0x358/0x544 [ 230.655461][ T7097] gfs2_get_tree+0x54/0x1b4 [ 230.656205][ T7097] vfs_get_tree+0x90/0x274 [ 230.656870][ T7097] do_new_mount+0x228/0x810 [ 230.657567][ T7097] path_mount+0x5b4/0x1000 [ 230.658252][ T7097] __arm64_sys_mount+0x514/0x5e4 [ 230.659004][ T7097] invoke_syscall+0x98/0x2b8 [ 230.659667][ T7097] el0_svc_common+0x138/0x258 [ 230.660347][ T7097] do_el0_svc+0x58/0x14c [ 230.660972][ T7097] el0_svc+0x78/0x1e0 [ 230.661577][ T7097] el0t_64_sync_handler+0xcc/0xe4 [ 230.662362][ T7097] el0t_64_sync+0x1a0/0x1a4 [ 230.664665][ T7097] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.666643][ T7097] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.797998][ T7100] loop1: detected capacity change from 0 to 32768 [ 230.888385][ T7100] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.889578][ T7100] CPU: 1 PID: 7100 Comm: syz.1.653 Not tainted 5.15.189-syzkaller #0 [ 230.890875][ T7100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.892528][ T7100] Call trace: [ 230.893046][ T7100] dump_backtrace+0x0/0x43c [ 230.893785][ T7100] show_stack+0x2c/0x3c [ 230.894437][ T7100] __dump_stack+0x30/0x40 [ 230.895068][ T7100] dump_stack_lvl+0xf8/0x160 [ 230.895757][ T7100] dump_stack+0x1c/0x5c [ 230.896481][ T7100] sysfs_create_dir_ns+0x22c/0x24c [ 230.897342][ T7100] kobject_add_internal+0x590/0xc54 [ 230.898273][ T7100] kobject_init_and_add+0x118/0x17c [ 230.899182][ T7100] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.899996][ T7100] gfs2_fill_super+0xdac/0x19e0 [ 230.900796][ T7100] get_tree_bdev+0x358/0x544 [ 230.901505][ T7100] gfs2_get_tree+0x54/0x1b4 [ 230.902175][ T7100] vfs_get_tree+0x90/0x274 [ 230.902907][ T7100] do_new_mount+0x228/0x810 [ 230.903663][ T7100] path_mount+0x5b4/0x1000 [ 230.904384][ T7100] __arm64_sys_mount+0x514/0x5e4 [ 230.905190][ T7100] invoke_syscall+0x98/0x2b8 [ 230.905910][ T7100] el0_svc_common+0x138/0x258 [ 230.906641][ T7100] do_el0_svc+0x58/0x14c [ 230.907293][ T7100] el0_svc+0x78/0x1e0 [ 230.907897][ T7100] el0t_64_sync_handler+0xcc/0xe4 [ 230.908707][ T7100] el0t_64_sync+0x1a0/0x1a4 [ 230.910170][ T7100] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.912186][ T7100] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.041593][ T7103] loop1: detected capacity change from 0 to 32768 [ 231.089202][ T7103] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.090576][ T7103] CPU: 0 PID: 7103 Comm: syz.1.654 Not tainted 5.15.189-syzkaller #0 [ 231.091961][ T7103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.093527][ T7103] Call trace: [ 231.094054][ T7103] dump_backtrace+0x0/0x43c [ 231.094799][ T7103] show_stack+0x2c/0x3c [ 231.095479][ T7103] __dump_stack+0x30/0x40 [ 231.096230][ T7103] dump_stack_lvl+0xf8/0x160 [ 231.097049][ T7103] dump_stack+0x1c/0x5c [ 231.097686][ T7103] sysfs_create_dir_ns+0x22c/0x24c [ 231.098493][ T7103] kobject_add_internal+0x590/0xc54 [ 231.099334][ T7103] kobject_init_and_add+0x118/0x17c [ 231.100219][ T7103] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.101045][ T7103] gfs2_fill_super+0xdac/0x19e0 [ 231.101852][ T7103] get_tree_bdev+0x358/0x544 [ 231.102594][ T7103] gfs2_get_tree+0x54/0x1b4 [ 231.103289][ T7103] vfs_get_tree+0x90/0x274 [ 231.103975][ T7103] do_new_mount+0x228/0x810 [ 231.104698][ T7103] path_mount+0x5b4/0x1000 [ 231.105342][ T7103] __arm64_sys_mount+0x514/0x5e4 [ 231.106096][ T7103] invoke_syscall+0x98/0x2b8 [ 231.106851][ T7103] el0_svc_common+0x138/0x258 [ 231.107624][ T7103] do_el0_svc+0x58/0x14c [ 231.108310][ T7103] el0_svc+0x78/0x1e0 [ 231.108963][ T7103] el0t_64_sync_handler+0xcc/0xe4 [ 231.109809][ T7103] el0t_64_sync+0x1a0/0x1a4 [ 231.112142][ T7103] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.114943][ T7103] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.259330][ T7106] loop1: detected capacity change from 0 to 32768 [ 231.304732][ T7106] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.306048][ T7106] CPU: 0 PID: 7106 Comm: syz.1.655 Not tainted 5.15.189-syzkaller #0 [ 231.307335][ T7106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.308923][ T7106] Call trace: [ 231.309429][ T7106] dump_backtrace+0x0/0x43c [ 231.310156][ T7106] show_stack+0x2c/0x3c [ 231.310845][ T7106] __dump_stack+0x30/0x40 [ 231.311552][ T7106] dump_stack_lvl+0xf8/0x160 [ 231.312273][ T7106] dump_stack+0x1c/0x5c [ 231.312930][ T7106] sysfs_create_dir_ns+0x22c/0x24c [ 231.313727][ T7106] kobject_add_internal+0x590/0xc54 [ 231.314626][ T7106] kobject_init_and_add+0x118/0x17c [ 231.315475][ T7106] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.316232][ T7106] gfs2_fill_super+0xdac/0x19e0 [ 231.317004][ T7106] get_tree_bdev+0x358/0x544 [ 231.317761][ T7106] gfs2_get_tree+0x54/0x1b4 [ 231.318486][ T7106] vfs_get_tree+0x90/0x274 [ 231.319146][ T7106] do_new_mount+0x228/0x810 [ 231.319921][ T7106] path_mount+0x5b4/0x1000 [ 231.320647][ T7106] __arm64_sys_mount+0x514/0x5e4 [ 231.321424][ T7106] invoke_syscall+0x98/0x2b8 [ 231.322134][ T7106] el0_svc_common+0x138/0x258 [ 231.322850][ T7106] do_el0_svc+0x58/0x14c [ 231.323526][ T7106] el0_svc+0x78/0x1e0 [ 231.324186][ T7106] el0t_64_sync_handler+0xcc/0xe4 [ 231.324934][ T7106] el0t_64_sync+0x1a0/0x1a4 [ 231.327285][ T7106] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.329372][ T7106] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.472829][ T7109] loop1: detected capacity change from 0 to 32768 [ 231.520567][ T7109] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.521736][ T7109] CPU: 1 PID: 7109 Comm: syz.1.656 Not tainted 5.15.189-syzkaller #0 [ 231.523065][ T7109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.524792][ T7109] Call trace: [ 231.525340][ T7109] dump_backtrace+0x0/0x43c [ 231.526086][ T7109] show_stack+0x2c/0x3c [ 231.526751][ T7109] __dump_stack+0x30/0x40 [ 231.527394][ T7109] dump_stack_lvl+0xf8/0x160 [ 231.528191][ T7109] dump_stack+0x1c/0x5c [ 231.528839][ T7109] sysfs_create_dir_ns+0x22c/0x24c [ 231.529642][ T7109] kobject_add_internal+0x590/0xc54 [ 231.530540][ T7109] kobject_init_and_add+0x118/0x17c [ 231.531360][ T7109] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.532081][ T7109] gfs2_fill_super+0xdac/0x19e0 [ 231.532784][ T7109] get_tree_bdev+0x358/0x544 [ 231.533434][ T7109] gfs2_get_tree+0x54/0x1b4 [ 231.534048][ T7109] vfs_get_tree+0x90/0x274 [ 231.534705][ T7109] do_new_mount+0x228/0x810 [ 231.535330][ T7109] path_mount+0x5b4/0x1000 [ 231.535953][ T7109] __arm64_sys_mount+0x514/0x5e4 [ 231.536734][ T7109] invoke_syscall+0x98/0x2b8 [ 231.537413][ T7109] el0_svc_common+0x138/0x258 [ 231.538127][ T7109] do_el0_svc+0x58/0x14c [ 231.538803][ T7109] el0_svc+0x78/0x1e0 [ 231.539470][ T7109] el0t_64_sync_handler+0xcc/0xe4 [ 231.540273][ T7109] el0t_64_sync+0x1a0/0x1a4 [ 231.542906][ T7109] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.545014][ T7109] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.674651][ T7112] loop1: detected capacity change from 0 to 32768 [ 231.717144][ T7112] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.718394][ T7112] CPU: 0 PID: 7112 Comm: syz.1.657 Not tainted 5.15.189-syzkaller #0 [ 231.719669][ T7112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.721160][ T7112] Call trace: [ 231.721656][ T7112] dump_backtrace+0x0/0x43c [ 231.722388][ T7112] show_stack+0x2c/0x3c [ 231.723003][ T7112] __dump_stack+0x30/0x40 [ 231.723771][ T7112] dump_stack_lvl+0xf8/0x160 [ 231.724609][ T7112] dump_stack+0x1c/0x5c [ 231.725306][ T7112] sysfs_create_dir_ns+0x22c/0x24c [ 231.726109][ T7112] kobject_add_internal+0x590/0xc54 [ 231.726937][ T7112] kobject_init_and_add+0x118/0x17c [ 231.727799][ T7112] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.728595][ T7112] gfs2_fill_super+0xdac/0x19e0 [ 231.729399][ T7112] get_tree_bdev+0x358/0x544 [ 231.730163][ T7112] gfs2_get_tree+0x54/0x1b4 [ 231.730851][ T7112] vfs_get_tree+0x90/0x274 [ 231.731514][ T7112] do_new_mount+0x228/0x810 [ 231.732295][ T7112] path_mount+0x5b4/0x1000 [ 231.733031][ T7112] __arm64_sys_mount+0x514/0x5e4 [ 231.733878][ T7112] invoke_syscall+0x98/0x2b8 [ 231.734605][ T7112] el0_svc_common+0x138/0x258 [ 231.735413][ T7112] do_el0_svc+0x58/0x14c [ 231.736112][ T7112] el0_svc+0x78/0x1e0 [ 231.736807][ T7112] el0t_64_sync_handler+0xcc/0xe4 [ 231.737617][ T7112] el0t_64_sync+0x1a0/0x1a4 [ 231.738736][ T7112] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.740782][ T7112] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.876051][ T7115] loop1: detected capacity change from 0 to 32768 [ 231.882942][ T7115] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.884170][ T7115] CPU: 1 PID: 7115 Comm: syz.1.658 Not tainted 5.15.189-syzkaller #0 [ 231.885488][ T7115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.887104][ T7115] Call trace: [ 231.887569][ T7115] dump_backtrace+0x0/0x43c [ 231.888262][ T7115] show_stack+0x2c/0x3c [ 231.888904][ T7115] __dump_stack+0x30/0x40 [ 231.889598][ T7115] dump_stack_lvl+0xf8/0x160 [ 231.890313][ T7115] dump_stack+0x1c/0x5c [ 231.890901][ T7115] sysfs_create_dir_ns+0x22c/0x24c [ 231.891652][ T7115] kobject_add_internal+0x590/0xc54 [ 231.892450][ T7115] kobject_init_and_add+0x118/0x17c [ 231.893253][ T7115] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.894009][ T7115] gfs2_fill_super+0xdac/0x19e0 [ 231.894726][ T7115] get_tree_bdev+0x358/0x544 [ 231.895390][ T7115] gfs2_get_tree+0x54/0x1b4 [ 231.896077][ T7115] vfs_get_tree+0x90/0x274 [ 231.896783][ T7115] do_new_mount+0x228/0x810 [ 231.897576][ T7115] path_mount+0x5b4/0x1000 [ 231.898361][ T7115] __arm64_sys_mount+0x514/0x5e4 [ 231.899189][ T7115] invoke_syscall+0x98/0x2b8 [ 231.899905][ T7115] el0_svc_common+0x138/0x258 [ 231.900690][ T7115] do_el0_svc+0x58/0x14c [ 231.901390][ T7115] el0_svc+0x78/0x1e0 [ 231.901972][ T7115] el0t_64_sync_handler+0xcc/0xe4 [ 231.902757][ T7115] el0t_64_sync+0x1a0/0x1a4 [ 231.903607][ T7115] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.905502][ T7115] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.045886][ T7118] loop1: detected capacity change from 0 to 32768 [ 232.054567][ T7118] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.055867][ T7118] CPU: 0 PID: 7118 Comm: syz.1.659 Not tainted 5.15.189-syzkaller #0 [ 232.057246][ T7118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.058940][ T7118] Call trace: [ 232.059467][ T7118] dump_backtrace+0x0/0x43c [ 232.060232][ T7118] show_stack+0x2c/0x3c [ 232.060903][ T7118] __dump_stack+0x30/0x40 [ 232.061632][ T7118] dump_stack_lvl+0xf8/0x160 [ 232.062379][ T7118] dump_stack+0x1c/0x5c [ 232.063134][ T7118] sysfs_create_dir_ns+0x22c/0x24c [ 232.064001][ T7118] kobject_add_internal+0x590/0xc54 [ 232.064876][ T7118] kobject_init_and_add+0x118/0x17c [ 232.065753][ T7118] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.066580][ T7118] gfs2_fill_super+0xdac/0x19e0 [ 232.067402][ T7118] get_tree_bdev+0x358/0x544 [ 232.068206][ T7118] gfs2_get_tree+0x54/0x1b4 [ 232.068980][ T7118] vfs_get_tree+0x90/0x274 [ 232.069727][ T7118] do_new_mount+0x228/0x810 [ 232.070473][ T7118] path_mount+0x5b4/0x1000 [ 232.071192][ T7118] __arm64_sys_mount+0x514/0x5e4 [ 232.072016][ T7118] invoke_syscall+0x98/0x2b8 [ 232.072732][ T7118] el0_svc_common+0x138/0x258 [ 232.073512][ T7118] do_el0_svc+0x58/0x14c [ 232.074197][ T7118] el0_svc+0x78/0x1e0 [ 232.074838][ T7118] el0t_64_sync_handler+0xcc/0xe4 [ 232.075654][ T7118] el0t_64_sync+0x1a0/0x1a4 [ 232.079257][ T7118] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.081324][ T7118] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.226292][ T7121] loop1: detected capacity change from 0 to 32768 [ 232.279146][ T7121] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.280303][ T7121] CPU: 1 PID: 7121 Comm: syz.1.660 Not tainted 5.15.189-syzkaller #0 [ 232.281502][ T7121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.282961][ T7121] Call trace: [ 232.283480][ T7121] dump_backtrace+0x0/0x43c [ 232.284122][ T7121] show_stack+0x2c/0x3c [ 232.284701][ T7121] __dump_stack+0x30/0x40 [ 232.285363][ T7121] dump_stack_lvl+0xf8/0x160 [ 232.286003][ T7121] dump_stack+0x1c/0x5c [ 232.286575][ T7121] sysfs_create_dir_ns+0x22c/0x24c [ 232.287284][ T7121] kobject_add_internal+0x590/0xc54 [ 232.288033][ T7121] kobject_init_and_add+0x118/0x17c [ 232.288752][ T7121] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.289509][ T7121] gfs2_fill_super+0xdac/0x19e0 [ 232.290300][ T7121] get_tree_bdev+0x358/0x544 [ 232.291064][ T7121] gfs2_get_tree+0x54/0x1b4 [ 232.291791][ T7121] vfs_get_tree+0x90/0x274 [ 232.292503][ T7121] do_new_mount+0x228/0x810 [ 232.293223][ T7121] path_mount+0x5b4/0x1000 [ 232.293945][ T7121] __arm64_sys_mount+0x514/0x5e4 [ 232.294730][ T7121] invoke_syscall+0x98/0x2b8 [ 232.295431][ T7121] el0_svc_common+0x138/0x258 [ 232.296138][ T7121] do_el0_svc+0x58/0x14c [ 232.296853][ T7121] el0_svc+0x78/0x1e0 [ 232.297533][ T7121] el0t_64_sync_handler+0xcc/0xe4 [ 232.298391][ T7121] el0t_64_sync+0x1a0/0x1a4 [ 232.299436][ T7121] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.301353][ T7121] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.434904][ T7124] loop1: detected capacity change from 0 to 32768 [ 232.494790][ T7124] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.496127][ T7124] CPU: 0 PID: 7124 Comm: syz.1.661 Not tainted 5.15.189-syzkaller #0 [ 232.497467][ T7124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.499131][ T7124] Call trace: [ 232.499660][ T7124] dump_backtrace+0x0/0x43c [ 232.500396][ T7124] show_stack+0x2c/0x3c [ 232.501158][ T7124] __dump_stack+0x30/0x40 [ 232.501884][ T7124] dump_stack_lvl+0xf8/0x160 [ 232.502683][ T7124] dump_stack+0x1c/0x5c [ 232.503416][ T7124] sysfs_create_dir_ns+0x22c/0x24c [ 232.504281][ T7124] kobject_add_internal+0x590/0xc54 [ 232.505219][ T7124] kobject_init_and_add+0x118/0x17c [ 232.506109][ T7124] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.506950][ T7124] gfs2_fill_super+0xdac/0x19e0 [ 232.507836][ T7124] get_tree_bdev+0x358/0x544 [ 232.508604][ T7124] gfs2_get_tree+0x54/0x1b4 [ 232.509338][ T7124] vfs_get_tree+0x90/0x274 [ 232.510061][ T7124] do_new_mount+0x228/0x810 [ 232.510771][ T7124] path_mount+0x5b4/0x1000 [ 232.511477][ T7124] __arm64_sys_mount+0x514/0x5e4 [ 232.512227][ T7124] invoke_syscall+0x98/0x2b8 [ 232.512990][ T7124] el0_svc_common+0x138/0x258 [ 232.513748][ T7124] do_el0_svc+0x58/0x14c [ 232.514513][ T7124] el0_svc+0x78/0x1e0 [ 232.515192][ T7124] el0t_64_sync_handler+0xcc/0xe4 [ 232.516046][ T7124] el0t_64_sync+0x1a0/0x1a4 [ 232.518399][ T7124] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.520532][ T7124] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.663494][ T7127] loop1: detected capacity change from 0 to 32768 [ 232.671448][ T7127] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.672698][ T7127] CPU: 1 PID: 7127 Comm: syz.1.662 Not tainted 5.15.189-syzkaller #0 [ 232.674036][ T7127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.675747][ T7127] Call trace: [ 232.676226][ T7127] dump_backtrace+0x0/0x43c [ 232.676950][ T7127] show_stack+0x2c/0x3c [ 232.677607][ T7127] __dump_stack+0x30/0x40 [ 232.678307][ T7127] dump_stack_lvl+0xf8/0x160 [ 232.679095][ T7127] dump_stack+0x1c/0x5c [ 232.679788][ T7127] sysfs_create_dir_ns+0x22c/0x24c [ 232.680644][ T7127] kobject_add_internal+0x590/0xc54 [ 232.681436][ T7127] kobject_init_and_add+0x118/0x17c [ 232.682233][ T7127] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.683022][ T7127] gfs2_fill_super+0xdac/0x19e0 [ 232.683800][ T7127] get_tree_bdev+0x358/0x544 [ 232.684493][ T7127] gfs2_get_tree+0x54/0x1b4 [ 232.685186][ T7127] vfs_get_tree+0x90/0x274 [ 232.685879][ T7127] do_new_mount+0x228/0x810 [ 232.686605][ T7127] path_mount+0x5b4/0x1000 [ 232.687251][ T7127] __arm64_sys_mount+0x514/0x5e4 [ 232.688067][ T7127] invoke_syscall+0x98/0x2b8 [ 232.688853][ T7127] el0_svc_common+0x138/0x258 [ 232.689543][ T7127] do_el0_svc+0x58/0x14c [ 232.690163][ T7127] el0_svc+0x78/0x1e0 [ 232.690766][ T7127] el0t_64_sync_handler+0xcc/0xe4 [ 232.691611][ T7127] el0t_64_sync+0x1a0/0x1a4 [ 232.693973][ T7127] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.695977][ T7127] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.833683][ T7130] loop1: detected capacity change from 0 to 32768 [ 232.884903][ T7130] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.886103][ T7130] CPU: 0 PID: 7130 Comm: syz.1.663 Not tainted 5.15.189-syzkaller #0 [ 232.887297][ T7130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.888789][ T7130] Call trace: [ 232.889277][ T7130] dump_backtrace+0x0/0x43c [ 232.889912][ T7130] show_stack+0x2c/0x3c [ 232.890644][ T7130] __dump_stack+0x30/0x40 [ 232.891322][ T7130] dump_stack_lvl+0xf8/0x160 [ 232.892085][ T7130] dump_stack+0x1c/0x5c [ 232.892771][ T7130] sysfs_create_dir_ns+0x22c/0x24c [ 232.893668][ T7130] kobject_add_internal+0x590/0xc54 [ 232.894598][ T7130] kobject_init_and_add+0x118/0x17c [ 232.895498][ T7130] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.896303][ T7130] gfs2_fill_super+0xdac/0x19e0 [ 232.897084][ T7130] get_tree_bdev+0x358/0x544 [ 232.897829][ T7130] gfs2_get_tree+0x54/0x1b4 [ 232.898576][ T7130] vfs_get_tree+0x90/0x274 [ 232.899331][ T7130] do_new_mount+0x228/0x810 [ 232.900065][ T7130] path_mount+0x5b4/0x1000 [ 232.900750][ T7130] __arm64_sys_mount+0x514/0x5e4 [ 232.901610][ T7130] invoke_syscall+0x98/0x2b8 [ 232.902437][ T7130] el0_svc_common+0x138/0x258 [ 232.903185][ T7130] do_el0_svc+0x58/0x14c [ 232.903848][ T7130] el0_svc+0x78/0x1e0 [ 232.904503][ T7130] el0t_64_sync_handler+0xcc/0xe4 [ 232.905272][ T7130] el0t_64_sync+0x1a0/0x1a4 [ 232.907452][ T7130] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.909504][ T7130] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.042734][ T7133] loop1: detected capacity change from 0 to 32768 [ 233.050062][ T7133] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.051143][ T7133] CPU: 1 PID: 7133 Comm: syz.1.664 Not tainted 5.15.189-syzkaller #0 [ 233.052287][ T7133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.053921][ T7133] Call trace: [ 233.054476][ T7133] dump_backtrace+0x0/0x43c [ 233.055163][ T7133] show_stack+0x2c/0x3c [ 233.055790][ T7133] __dump_stack+0x30/0x40 [ 233.056407][ T7133] dump_stack_lvl+0xf8/0x160 [ 233.057100][ T7133] dump_stack+0x1c/0x5c [ 233.057819][ T7133] sysfs_create_dir_ns+0x22c/0x24c [ 233.058660][ T7133] kobject_add_internal+0x590/0xc54 [ 233.059501][ T7133] kobject_init_and_add+0x118/0x17c [ 233.060276][ T7133] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.061062][ T7133] gfs2_fill_super+0xdac/0x19e0 [ 233.061887][ T7133] get_tree_bdev+0x358/0x544 [ 233.062589][ T7133] gfs2_get_tree+0x54/0x1b4 [ 233.063259][ T7133] vfs_get_tree+0x90/0x274 [ 233.064015][ T7133] do_new_mount+0x228/0x810 [ 233.064663][ T7133] path_mount+0x5b4/0x1000 [ 233.065348][ T7133] __arm64_sys_mount+0x514/0x5e4 [ 233.066117][ T7133] invoke_syscall+0x98/0x2b8 [ 233.066822][ T7133] el0_svc_common+0x138/0x258 [ 233.067516][ T7133] do_el0_svc+0x58/0x14c [ 233.068100][ T7133] el0_svc+0x78/0x1e0 [ 233.068645][ T7133] el0t_64_sync_handler+0xcc/0xe4 [ 233.069340][ T7133] el0t_64_sync+0x1a0/0x1a4 [ 233.070522][ T7133] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.072600][ T7133] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.205885][ T7136] loop1: detected capacity change from 0 to 32768 [ 233.294476][ T7136] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.295704][ T7136] CPU: 0 PID: 7136 Comm: syz.1.665 Not tainted 5.15.189-syzkaller #0 [ 233.297063][ T7136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.298790][ T7136] Call trace: [ 233.299359][ T7136] dump_backtrace+0x0/0x43c [ 233.300011][ T7136] show_stack+0x2c/0x3c [ 233.300582][ T7136] __dump_stack+0x30/0x40 [ 233.301221][ T7136] dump_stack_lvl+0xf8/0x160 [ 233.301930][ T7136] dump_stack+0x1c/0x5c [ 233.302628][ T7136] sysfs_create_dir_ns+0x22c/0x24c [ 233.303413][ T7136] kobject_add_internal+0x590/0xc54 [ 233.304204][ T7136] kobject_init_and_add+0x118/0x17c [ 233.304982][ T7136] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.305771][ T7136] gfs2_fill_super+0xdac/0x19e0 [ 233.306522][ T7136] get_tree_bdev+0x358/0x544 [ 233.307293][ T7136] gfs2_get_tree+0x54/0x1b4 [ 233.308044][ T7136] vfs_get_tree+0x90/0x274 [ 233.308785][ T7136] do_new_mount+0x228/0x810 [ 233.309494][ T7136] path_mount+0x5b4/0x1000 [ 233.310217][ T7136] __arm64_sys_mount+0x514/0x5e4 [ 233.311064][ T7136] invoke_syscall+0x98/0x2b8 [ 233.311846][ T7136] el0_svc_common+0x138/0x258 [ 233.312645][ T7136] do_el0_svc+0x58/0x14c [ 233.313378][ T7136] el0_svc+0x78/0x1e0 [ 233.314074][ T7136] el0t_64_sync_handler+0xcc/0xe4 [ 233.314910][ T7136] el0t_64_sync+0x1a0/0x1a4 [ 233.317800][ T7136] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.319954][ T7136] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:53 executed programs: 652 [ 233.443655][ T27] INFO: task syz-executor:4983 blocked for more than 143 seconds. [ 233.445101][ T27] Not tainted 5.15.189-syzkaller #0 [ 233.446057][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.447477][ T27] task:syz-executor state:D stack: 0 pid: 4983 ppid: 1 flags:0x00000001 [ 233.449030][ T27] Call trace: [ 233.449590][ T27] __switch_to+0x2f4/0x558 [ 233.450321][ T27] __schedule+0xe00/0x1c0c [ 233.451052][ T27] schedule+0x11c/0x1c8 [ 233.451695][ T27] bit_wait+0x1c/0xac [ 233.452276][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 233.453121][ T27] gfs2_glock_nq+0x8f8/0x141c [ 233.454571][ T27] __gfs2_lookup+0x110/0x268 [ 233.455319][ T27] gfs2_lookup+0x2c/0x3c [ 233.455951][ T27] __lookup_slow+0x24c/0x380 [ 233.456622][ T27] lookup_slow+0x5c/0x80 [ 233.457265][ T27] walk_component+0x2b0/0x3a8 [ 233.458029][ T27] path_lookupat+0x13c/0x3d0 [ 233.458746][ T27] filename_lookup+0x180/0x414 [ 233.459533][ T27] user_path_at_empty+0x5c/0x1a0 [ 233.460278][ T27] __arm64_sys_umount+0xf4/0x178 [ 233.461062][ T27] invoke_syscall+0x98/0x2b8 [ 233.461785][ T27] el0_svc_common+0x138/0x258 [ 233.462549][ T27] do_el0_svc+0x58/0x14c [ 233.463259][ T27] el0_svc+0x78/0x1e0 [ 233.464584][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 233.465519][ T27] el0t_64_sync+0x1a0/0x1a4 [ 233.466312][ T27] [ 233.466312][ T27] Showing all locks held in the system: [ 233.467542][ T27] 1 lock held by khungtaskd/27: [ 233.468309][ T27] #0: ffff800014341360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 233.469751][ T27] 2 locks held by getty/3803: [ 233.470448][ T27] #0: ffff0000d52a1098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 233.471924][ T27] #1: ffff80001bc9e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 233.472623][ T7139] loop1: detected capacity change from 0 to 32768 [ 233.473409][ T27] 1 lock held by syz-executor/4983: [ 233.475277][ T27] #0: ffff0000e752d2b0 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 233.476753][ T27] 2 locks held by syz.1.666/7139: [ 233.477485][ T27] #0: ffff0000cc40b918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac [ 233.478850][ T27] #1: ffff0000cc5da468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x50/0x204 [ 233.480211][ T27] [ 233.480597][ T27] ============================================= [ 233.480597][ T27] [ 233.481944][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 233.482927][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0 [ 233.484228][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.485793][ T27] Call trace: [ 233.486323][ T27] dump_backtrace+0x0/0x43c [ 233.487097][ T27] show_stack+0x2c/0x3c [ 233.487769][ T27] __dump_stack+0x30/0x40 [ 233.488463][ T27] dump_stack_lvl+0xf8/0x160 [ 233.489221][ T27] dump_stack+0x1c/0x5c [ 233.489917][ T27] panic+0x2e4/0x854 [ 233.490546][ T27] hung_task_panic+0x0/0x2c [ 233.491300][ T27] kthread+0x374/0x454 [ 233.491877][ T27] ret_from_fork+0x10/0x20 [ 233.492535][ T27] SMP: stopping secondary CPUs [ 233.493261][ T27] Kernel Offset: disabled [ 233.493838][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 233.494671][ T27] Memory Limit: none [ 233.827965][ T27] Rebooting in 86400 seconds..