_stack+0x2c/0x3c [ 210.276144][ T5399] __dump_stack+0x30/0x40 [ 210.277423][ T5399] dump_stack_lvl+0xf8/0x160 [ 210.278758][ T5399] dump_stack+0x1c/0x5c [ 210.279919][ T5399] sysfs_create_dir_ns+0x22c/0x24c [ 210.281315][ T5399] kobject_add_internal+0x590/0xc54 [ 210.282808][ T5399] kobject_init_and_add+0x118/0x17c [ 210.284308][ T5399] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.285662][ T5399] gfs2_fill_super+0xdac/0x19e0 [ 210.287010][ T5399] get_tree_bdev+0x358/0x544 [ 210.288259][ T5399] gfs2_get_tree+0x54/0x1b4 [ 210.289614][ T5399] vfs_get_tree+0x90/0x274 [ 210.290882][ T5399] do_new_mount+0x228/0x810 [ 210.292107][ T5399] path_mount+0x5b4/0x1000 [ 210.293440][ T5399] __arm64_sys_mount+0x514/0x5e4 [ 210.294781][ T5399] invoke_syscall+0x98/0x2b8 [ 210.296126][ T5399] el0_svc_common+0x138/0x258 [ 210.297473][ T5399] do_el0_svc+0x58/0x14c [ 210.298689][ T5399] el0_svc+0x78/0x1e0 [ 210.299809][ T5399] el0t_64_sync_handler+0xcc/0xe4 [ 210.301229][ T5399] el0t_64_sync+0x1a0/0x1a4 [ 210.309561][ T5399] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.313380][ T5399] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:30 executed programs: 218 [ 210.606944][ T5402] loop1: detected capacity change from 0 to 32768 [ 210.612981][ T5402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.615192][ T5402] CPU: 1 PID: 5402 Comm: syz.1.231 Not tainted 5.15.186-syzkaller #0 [ 210.617664][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 210.620499][ T5402] Call trace: [ 210.621420][ T5402] dump_backtrace+0x0/0x43c [ 210.622729][ T5402] show_stack+0x2c/0x3c [ 210.623874][ T5402] __dump_stack+0x30/0x40 [ 210.625148][ T5402] dump_stack_lvl+0xf8/0x160 [ 210.626409][ T5402] dump_stack+0x1c/0x5c [ 210.627599][ T5402] sysfs_create_dir_ns+0x22c/0x24c [ 210.629098][ T5402] kobject_add_internal+0x590/0xc54 [ 210.630622][ T5402] kobject_init_and_add+0x118/0x17c [ 210.632057][ T5402] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.633384][ T5402] gfs2_fill_super+0xdac/0x19e0 [ 210.634880][ T5402] get_tree_bdev+0x358/0x544 [ 210.636250][ T5402] gfs2_get_tree+0x54/0x1b4 [ 210.637621][ T5402] vfs_get_tree+0x90/0x274 [ 210.638882][ T5402] do_new_mount+0x228/0x810 [ 210.640177][ T5402] path_mount+0x5b4/0x1000 [ 210.641441][ T5402] __arm64_sys_mount+0x514/0x5e4 [ 210.642849][ T5402] invoke_syscall+0x98/0x2b8 [ 210.644143][ T5402] el0_svc_common+0x138/0x258 [ 210.645545][ T5402] do_el0_svc+0x58/0x14c [ 210.646781][ T5402] el0_svc+0x78/0x1e0 [ 210.647930][ T5402] el0t_64_sync_handler+0xcc/0xe4 [ 210.649353][ T5402] el0t_64_sync+0x1a0/0x1a4 [ 210.656824][ T5402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.660718][ T5402] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.094335][ T5404] loop1: detected capacity change from 0 to 32768 [ 211.153350][ T5404] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.155536][ T5404] CPU: 0 PID: 5404 Comm: syz.1.232 Not tainted 5.15.186-syzkaller #0 [ 211.157828][ T5404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 211.160607][ T5404] Call trace: [ 211.161585][ T5404] dump_backtrace+0x0/0x43c [ 211.162833][ T5404] show_stack+0x2c/0x3c [ 211.163952][ T5404] __dump_stack+0x30/0x40 [ 211.165164][ T5404] dump_stack_lvl+0xf8/0x160 [ 211.166444][ T5404] dump_stack+0x1c/0x5c [ 211.167563][ T5404] sysfs_create_dir_ns+0x22c/0x24c [ 211.169013][ T5404] kobject_add_internal+0x590/0xc54 [ 211.170448][ T5404] kobject_init_and_add+0x118/0x17c [ 211.171962][ T5404] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.173371][ T5404] gfs2_fill_super+0xdac/0x19e0 [ 211.174711][ T5404] get_tree_bdev+0x358/0x544 [ 211.175945][ T5404] gfs2_get_tree+0x54/0x1b4 [ 211.177282][ T5404] vfs_get_tree+0x90/0x274 [ 211.178536][ T5404] do_new_mount+0x228/0x810 [ 211.179791][ T5404] path_mount+0x5b4/0x1000 [ 211.181052][ T5404] __arm64_sys_mount+0x514/0x5e4 [ 211.182483][ T5404] invoke_syscall+0x98/0x2b8 [ 211.183717][ T5404] el0_svc_common+0x138/0x258 [ 211.185109][ T5404] do_el0_svc+0x58/0x14c [ 211.186372][ T5404] el0_svc+0x78/0x1e0 [ 211.187514][ T5404] el0t_64_sync_handler+0xcc/0xe4 [ 211.189055][ T5404] el0t_64_sync+0x1a0/0x1a4 [ 211.193098][ T5404] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.196803][ T5404] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.556831][ T5406] loop1: detected capacity change from 0 to 32768 [ 211.591732][ T5406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.594074][ T5406] CPU: 1 PID: 5406 Comm: syz.1.233 Not tainted 5.15.186-syzkaller #0 [ 211.596395][ T5406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 211.599220][ T5406] Call trace: [ 211.600125][ T5406] dump_backtrace+0x0/0x43c [ 211.601463][ T5406] show_stack+0x2c/0x3c [ 211.602737][ T5406] __dump_stack+0x30/0x40 [ 211.604003][ T5406] dump_stack_lvl+0xf8/0x160 [ 211.605436][ T5406] dump_stack+0x1c/0x5c [ 211.606653][ T5406] sysfs_create_dir_ns+0x22c/0x24c [ 211.608281][ T5406] kobject_add_internal+0x590/0xc54 [ 211.609817][ T5406] kobject_init_and_add+0x118/0x17c [ 211.611307][ T5406] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.612713][ T5406] gfs2_fill_super+0xdac/0x19e0 [ 211.614166][ T5406] get_tree_bdev+0x358/0x544 [ 211.615470][ T5406] gfs2_get_tree+0x54/0x1b4 [ 211.616813][ T5406] vfs_get_tree+0x90/0x274 [ 211.618045][ T5406] do_new_mount+0x228/0x810 [ 211.619354][ T5406] path_mount+0x5b4/0x1000 [ 211.620658][ T5406] __arm64_sys_mount+0x514/0x5e4 [ 211.622006][ T5406] invoke_syscall+0x98/0x2b8 [ 211.623292][ T5406] el0_svc_common+0x138/0x258 [ 211.624587][ T5406] do_el0_svc+0x58/0x14c [ 211.625831][ T5406] el0_svc+0x78/0x1e0 [ 211.626949][ T5406] el0t_64_sync_handler+0xcc/0xe4 [ 211.628610][ T5406] el0t_64_sync+0x1a0/0x1a4 [ 211.630671][ T5406] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.634396][ T5406] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.942009][ T5410] loop1: detected capacity change from 0 to 32768 [ 212.010718][ T5410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.012755][ T5410] CPU: 0 PID: 5410 Comm: syz.1.234 Not tainted 5.15.186-syzkaller #0 [ 212.014914][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.017772][ T5410] Call trace: [ 212.018762][ T5410] dump_backtrace+0x0/0x43c [ 212.020001][ T5410] show_stack+0x2c/0x3c [ 212.021150][ T5410] __dump_stack+0x30/0x40 [ 212.022338][ T5410] dump_stack_lvl+0xf8/0x160 [ 212.023687][ T5410] dump_stack+0x1c/0x5c [ 212.024911][ T5410] sysfs_create_dir_ns+0x22c/0x24c [ 212.026340][ T5410] kobject_add_internal+0x590/0xc54 [ 212.027850][ T5410] kobject_init_and_add+0x118/0x17c [ 212.029339][ T5410] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.030700][ T5410] gfs2_fill_super+0xdac/0x19e0 [ 212.032050][ T5410] get_tree_bdev+0x358/0x544 [ 212.033360][ T5410] gfs2_get_tree+0x54/0x1b4 [ 212.034637][ T5410] vfs_get_tree+0x90/0x274 [ 212.035871][ T5410] do_new_mount+0x228/0x810 [ 212.037164][ T5410] path_mount+0x5b4/0x1000 [ 212.038480][ T5410] __arm64_sys_mount+0x514/0x5e4 [ 212.039908][ T5410] invoke_syscall+0x98/0x2b8 [ 212.041127][ T5410] el0_svc_common+0x138/0x258 [ 212.042489][ T5410] do_el0_svc+0x58/0x14c [ 212.043722][ T5410] el0_svc+0x78/0x1e0 [ 212.044854][ T5410] el0t_64_sync_handler+0xcc/0xe4 [ 212.046332][ T5410] el0t_64_sync+0x1a0/0x1a4 [ 212.049461][ T5410] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.053372][ T5410] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.353238][ T5412] loop1: detected capacity change from 0 to 32768 [ 212.449388][ T5412] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.451524][ T5412] CPU: 0 PID: 5412 Comm: syz.1.235 Not tainted 5.15.186-syzkaller #0 [ 212.453830][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.456611][ T5412] Call trace: [ 212.457579][ T5412] dump_backtrace+0x0/0x43c [ 212.458765][ T5412] show_stack+0x2c/0x3c [ 212.459975][ T5412] __dump_stack+0x30/0x40 [ 212.461199][ T5412] dump_stack_lvl+0xf8/0x160 [ 212.462475][ T5412] dump_stack+0x1c/0x5c [ 212.463753][ T5412] sysfs_create_dir_ns+0x22c/0x24c [ 212.465213][ T5412] kobject_add_internal+0x590/0xc54 [ 212.466728][ T5412] kobject_init_and_add+0x118/0x17c [ 212.468233][ T5412] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.469673][ T5412] gfs2_fill_super+0xdac/0x19e0 [ 212.471076][ T5412] get_tree_bdev+0x358/0x544 [ 212.472417][ T5412] gfs2_get_tree+0x54/0x1b4 [ 212.473745][ T5412] vfs_get_tree+0x90/0x274 [ 212.475103][ T5412] do_new_mount+0x228/0x810 [ 212.476481][ T5412] path_mount+0x5b4/0x1000 [ 212.477781][ T5412] __arm64_sys_mount+0x514/0x5e4 [ 212.479204][ T5412] invoke_syscall+0x98/0x2b8 [ 212.480574][ T5412] el0_svc_common+0x138/0x258 [ 212.481956][ T5412] do_el0_svc+0x58/0x14c [ 212.483142][ T5412] el0_svc+0x78/0x1e0 [ 212.484328][ T5412] el0t_64_sync_handler+0xcc/0xe4 [ 212.485857][ T5412] el0t_64_sync+0x1a0/0x1a4 [ 212.488309][ T5412] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.493551][ T5412] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.794401][ T5414] loop1: detected capacity change from 0 to 32768 [ 212.857055][ T5414] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.859228][ T5414] CPU: 0 PID: 5414 Comm: syz.1.236 Not tainted 5.15.186-syzkaller #0 [ 212.861453][ T5414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.864249][ T5414] Call trace: [ 212.865138][ T5414] dump_backtrace+0x0/0x43c [ 212.866416][ T5414] show_stack+0x2c/0x3c [ 212.867536][ T5414] __dump_stack+0x30/0x40 [ 212.868691][ T5414] dump_stack_lvl+0xf8/0x160 [ 212.869906][ T5414] dump_stack+0x1c/0x5c [ 212.871014][ T5414] sysfs_create_dir_ns+0x22c/0x24c [ 212.872455][ T5414] kobject_add_internal+0x590/0xc54 [ 212.873896][ T5414] kobject_init_and_add+0x118/0x17c [ 212.875338][ T5414] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.876648][ T5414] gfs2_fill_super+0xdac/0x19e0 [ 212.877989][ T5414] get_tree_bdev+0x358/0x544 [ 212.879307][ T5414] gfs2_get_tree+0x54/0x1b4 [ 212.880617][ T5414] vfs_get_tree+0x90/0x274 [ 212.881850][ T5414] do_new_mount+0x228/0x810 [ 212.883103][ T5414] path_mount+0x5b4/0x1000 [ 212.884336][ T5414] __arm64_sys_mount+0x514/0x5e4 [ 212.885726][ T5414] invoke_syscall+0x98/0x2b8 [ 212.887057][ T5414] el0_svc_common+0x138/0x258 [ 212.888360][ T5414] do_el0_svc+0x58/0x14c [ 212.889574][ T5414] el0_svc+0x78/0x1e0 [ 212.890724][ T5414] el0t_64_sync_handler+0xcc/0xe4 [ 212.892127][ T5414] el0t_64_sync+0x1a0/0x1a4 [ 212.897535][ T5414] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.901581][ T5414] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.200407][ T5416] loop1: detected capacity change from 0 to 32768 [ 213.255369][ T5416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.257997][ T5416] CPU: 0 PID: 5416 Comm: syz.1.237 Not tainted 5.15.186-syzkaller #0 [ 213.260144][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 213.262975][ T5416] Call trace: [ 213.263844][ T5416] dump_backtrace+0x0/0x43c [ 213.265125][ T5416] show_stack+0x2c/0x3c [ 213.266258][ T5416] __dump_stack+0x30/0x40 [ 213.267465][ T5416] dump_stack_lvl+0xf8/0x160 [ 213.268703][ T5416] dump_stack+0x1c/0x5c [ 213.269801][ T5416] sysfs_create_dir_ns+0x22c/0x24c [ 213.271250][ T5416] kobject_add_internal+0x590/0xc54 [ 213.272814][ T5416] kobject_init_and_add+0x118/0x17c [ 213.274280][ T5416] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.275574][ T5416] gfs2_fill_super+0xdac/0x19e0 [ 213.276894][ T5416] get_tree_bdev+0x358/0x544 [ 213.278186][ T5416] gfs2_get_tree+0x54/0x1b4 [ 213.279453][ T5416] vfs_get_tree+0x90/0x274 [ 213.280671][ T5416] do_new_mount+0x228/0x810 [ 213.281893][ T5416] path_mount+0x5b4/0x1000 [ 213.283088][ T5416] __arm64_sys_mount+0x514/0x5e4 [ 213.284500][ T5416] invoke_syscall+0x98/0x2b8 [ 213.285756][ T5416] el0_svc_common+0x138/0x258 [ 213.287061][ T5416] do_el0_svc+0x58/0x14c [ 213.288200][ T5416] el0_svc+0x78/0x1e0 [ 213.289340][ T5416] el0t_64_sync_handler+0xcc/0xe4 [ 213.290846][ T5416] el0t_64_sync+0x1a0/0x1a4 [ 213.295739][ T5416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.299370][ T5416] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.601791][ T5418] loop1: detected capacity change from 0 to 32768 [ 213.649180][ T5418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.651438][ T5418] CPU: 0 PID: 5418 Comm: syz.1.238 Not tainted 5.15.186-syzkaller #0 [ 213.653737][ T5418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 213.656541][ T5418] Call trace: [ 213.657501][ T5418] dump_backtrace+0x0/0x43c [ 213.658772][ T5418] show_stack+0x2c/0x3c [ 213.659927][ T5418] __dump_stack+0x30/0x40 [ 213.661094][ T5418] dump_stack_lvl+0xf8/0x160 [ 213.662359][ T5418] dump_stack+0x1c/0x5c [ 213.663491][ T5418] sysfs_create_dir_ns+0x22c/0x24c [ 213.664973][ T5418] kobject_add_internal+0x590/0xc54 [ 213.666406][ T5418] kobject_init_and_add+0x118/0x17c [ 213.667955][ T5418] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.669246][ T5418] gfs2_fill_super+0xdac/0x19e0 [ 213.670641][ T5418] get_tree_bdev+0x358/0x544 [ 213.671907][ T5418] gfs2_get_tree+0x54/0x1b4 [ 213.673115][ T5418] vfs_get_tree+0x90/0x274 [ 213.674291][ T5418] do_new_mount+0x228/0x810 [ 213.675511][ T5418] path_mount+0x5b4/0x1000 [ 213.676686][ T5418] __arm64_sys_mount+0x514/0x5e4 [ 213.678021][ T5418] invoke_syscall+0x98/0x2b8 [ 213.679371][ T5418] el0_svc_common+0x138/0x258 [ 213.680706][ T5418] do_el0_svc+0x58/0x14c [ 213.681932][ T5418] el0_svc+0x78/0x1e0 [ 213.683030][ T5418] el0t_64_sync_handler+0xcc/0xe4 [ 213.684433][ T5418] el0t_64_sync+0x1a0/0x1a4 [ 213.686999][ T5418] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.690752][ T5418] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.976335][ T5420] loop1: detected capacity change from 0 to 32768 [ 213.984728][ T5420] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.987098][ T5420] CPU: 1 PID: 5420 Comm: syz.1.239 Not tainted 5.15.186-syzkaller #0 [ 213.989449][ T5420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 213.992415][ T5420] Call trace: [ 213.993348][ T5420] dump_backtrace+0x0/0x43c [ 213.994615][ T5420] show_stack+0x2c/0x3c [ 213.995842][ T5420] __dump_stack+0x30/0x40 [ 213.997084][ T5420] dump_stack_lvl+0xf8/0x160 [ 213.998448][ T5420] dump_stack+0x1c/0x5c [ 213.999611][ T5420] sysfs_create_dir_ns+0x22c/0x24c [ 214.001044][ T5420] kobject_add_internal+0x590/0xc54 [ 214.002466][ T5420] kobject_init_and_add+0x118/0x17c [ 214.003995][ T5420] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.005406][ T5420] gfs2_fill_super+0xdac/0x19e0 [ 214.006828][ T5420] get_tree_bdev+0x358/0x544 [ 214.008145][ T5420] gfs2_get_tree+0x54/0x1b4 [ 214.009462][ T5420] vfs_get_tree+0x90/0x274 [ 214.010712][ T5420] do_new_mount+0x228/0x810 [ 214.011991][ T5420] path_mount+0x5b4/0x1000 [ 214.013306][ T5420] __arm64_sys_mount+0x514/0x5e4 [ 214.014723][ T5420] invoke_syscall+0x98/0x2b8 [ 214.016041][ T5420] el0_svc_common+0x138/0x258 [ 214.017357][ T5420] do_el0_svc+0x58/0x14c [ 214.018557][ T5420] el0_svc+0x78/0x1e0 [ 214.019756][ T5420] el0t_64_sync_handler+0xcc/0xe4 [ 214.021213][ T5420] el0t_64_sync+0x1a0/0x1a4 [ 214.023390][ T5420] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.027047][ T5420] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.482561][ T5423] loop1: detected capacity change from 0 to 32768 [ 214.539588][ T5423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.541775][ T5423] CPU: 1 PID: 5423 Comm: syz.1.240 Not tainted 5.15.186-syzkaller #0 [ 214.544085][ T5423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 214.546835][ T5423] Call trace: [ 214.547755][ T5423] dump_backtrace+0x0/0x43c [ 214.549037][ T5423] show_stack+0x2c/0x3c [ 214.550187][ T5423] __dump_stack+0x30/0x40 [ 214.551426][ T5423] dump_stack_lvl+0xf8/0x160 [ 214.552748][ T5423] dump_stack+0x1c/0x5c [ 214.553958][ T5423] sysfs_create_dir_ns+0x22c/0x24c [ 214.555470][ T5423] kobject_add_internal+0x590/0xc54 [ 214.556938][ T5423] kobject_init_and_add+0x118/0x17c [ 214.558389][ T5423] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.559741][ T5423] gfs2_fill_super+0xdac/0x19e0 [ 214.561135][ T5423] get_tree_bdev+0x358/0x544 [ 214.562421][ T5423] gfs2_get_tree+0x54/0x1b4 [ 214.563679][ T5423] vfs_get_tree+0x90/0x274 [ 214.564900][ T5423] do_new_mount+0x228/0x810 [ 214.566158][ T5423] path_mount+0x5b4/0x1000 [ 214.567490][ T5423] __arm64_sys_mount+0x514/0x5e4 [ 214.568903][ T5423] invoke_syscall+0x98/0x2b8 [ 214.570316][ T5423] el0_svc_common+0x138/0x258 [ 214.571885][ T5423] do_el0_svc+0x58/0x14c [ 214.573108][ T5423] el0_svc+0x78/0x1e0 [ 214.574468][ T5423] el0t_64_sync_handler+0xcc/0xe4 [ 214.575960][ T5423] el0t_64_sync+0x1a0/0x1a4 [ 214.581098][ T5423] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.584700][ T5423] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.870884][ T5425] loop1: detected capacity change from 0 to 32768 [ 214.911147][ T5425] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.913348][ T5425] CPU: 0 PID: 5425 Comm: syz.1.241 Not tainted 5.15.186-syzkaller #0 [ 214.915616][ T5425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 214.918746][ T5425] Call trace: [ 214.919785][ T5425] dump_backtrace+0x0/0x43c [ 214.921038][ T5425] show_stack+0x2c/0x3c [ 214.922243][ T5425] __dump_stack+0x30/0x40 [ 214.923426][ T5425] dump_stack_lvl+0xf8/0x160 [ 214.924740][ T5425] dump_stack+0x1c/0x5c [ 214.925885][ T5425] sysfs_create_dir_ns+0x22c/0x24c [ 214.927374][ T5425] kobject_add_internal+0x590/0xc54 [ 214.928822][ T5425] kobject_init_and_add+0x118/0x17c [ 214.930362][ T5425] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.931689][ T5425] gfs2_fill_super+0xdac/0x19e0 [ 214.933061][ T5425] get_tree_bdev+0x358/0x544 [ 214.934413][ T5425] gfs2_get_tree+0x54/0x1b4 [ 214.935681][ T5425] vfs_get_tree+0x90/0x274 [ 214.936883][ T5425] do_new_mount+0x228/0x810 [ 214.938112][ T5425] path_mount+0x5b4/0x1000 [ 214.939301][ T5425] __arm64_sys_mount+0x514/0x5e4 [ 214.940623][ T5425] invoke_syscall+0x98/0x2b8 [ 214.941852][ T5425] el0_svc_common+0x138/0x258 [ 214.943097][ T5425] do_el0_svc+0x58/0x14c [ 214.944218][ T5425] el0_svc+0x78/0x1e0 [ 214.945294][ T5425] el0t_64_sync_handler+0xcc/0xe4 [ 214.946601][ T5425] el0t_64_sync+0x1a0/0x1a4 [ 214.948728][ T5425] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.952736][ T5425] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.238963][ T5427] loop1: detected capacity change from 0 to 32768 [ 215.299373][ T5427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.301689][ T5427] CPU: 1 PID: 5427 Comm: syz.1.242 Not tainted 5.15.186-syzkaller #0 [ 215.304029][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 215.306921][ T5427] Call trace: [ 215.307907][ T5427] dump_backtrace+0x0/0x43c [ 215.309114][ T5427] show_stack+0x2c/0x3c [ 215.310314][ T5427] __dump_stack+0x30/0x40 [ 215.311502][ T5427] dump_stack_lvl+0xf8/0x160 [ 215.312868][ T5427] dump_stack+0x1c/0x5c [ 215.314101][ T5427] sysfs_create_dir_ns+0x22c/0x24c [ 215.315557][ T5427] kobject_add_internal+0x590/0xc54 [ 215.317073][ T5427] kobject_init_and_add+0x118/0x17c [ 215.318521][ T5427] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.319824][ T5427] gfs2_fill_super+0xdac/0x19e0 [ 215.321184][ T5427] get_tree_bdev+0x358/0x544 [ 215.322465][ T5427] gfs2_get_tree+0x54/0x1b4 [ 215.323701][ T5427] vfs_get_tree+0x90/0x274 [ 215.324925][ T5427] do_new_mount+0x228/0x810 [ 215.326135][ T5427] path_mount+0x5b4/0x1000 [ 215.327334][ T5427] __arm64_sys_mount+0x514/0x5e4 [ 215.328744][ T5427] invoke_syscall+0x98/0x2b8 [ 215.329971][ T5427] el0_svc_common+0x138/0x258 [ 215.331211][ T5427] do_el0_svc+0x58/0x14c [ 215.332408][ T5427] el0_svc+0x78/0x1e0 [ 215.333526][ T5427] el0t_64_sync_handler+0xcc/0xe4 [ 215.334873][ T5427] el0t_64_sync+0x1a0/0x1a4 [ 215.338669][ T5427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.342683][ T5427] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:35 executed programs: 230 [ 215.634520][ T5429] loop1: detected capacity change from 0 to 32768 [ 215.680811][ T5429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.682993][ T5429] CPU: 0 PID: 5429 Comm: syz.1.243 Not tainted 5.15.186-syzkaller #0 [ 215.685351][ T5429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 215.688191][ T5429] Call trace: [ 215.689160][ T5429] dump_backtrace+0x0/0x43c [ 215.690398][ T5429] show_stack+0x2c/0x3c [ 215.691515][ T5429] __dump_stack+0x30/0x40 [ 215.692682][ T5429] dump_stack_lvl+0xf8/0x160 [ 215.693985][ T5429] dump_stack+0x1c/0x5c [ 215.695130][ T5429] sysfs_create_dir_ns+0x22c/0x24c [ 215.696641][ T5429] kobject_add_internal+0x590/0xc54 [ 215.698178][ T5429] kobject_init_and_add+0x118/0x17c [ 215.699716][ T5429] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.701071][ T5429] gfs2_fill_super+0xdac/0x19e0 [ 215.702647][ T5429] get_tree_bdev+0x358/0x544 [ 215.703984][ T5429] gfs2_get_tree+0x54/0x1b4 [ 215.705318][ T5429] vfs_get_tree+0x90/0x274 [ 215.706696][ T5429] do_new_mount+0x228/0x810 [ 215.708071][ T5429] path_mount+0x5b4/0x1000 [ 215.709372][ T5429] __arm64_sys_mount+0x514/0x5e4 [ 215.710951][ T5429] invoke_syscall+0x98/0x2b8 [ 215.712286][ T5429] el0_svc_common+0x138/0x258 [ 215.713730][ T5429] do_el0_svc+0x58/0x14c [ 215.714997][ T5429] el0_svc+0x78/0x1e0 [ 215.716171][ T5429] el0t_64_sync_handler+0xcc/0xe4 [ 215.717625][ T5429] el0t_64_sync+0x1a0/0x1a4 [ 215.723629][ T5429] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.727348][ T5429] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.031089][ T5431] loop1: detected capacity change from 0 to 32768 [ 216.091000][ T5431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.093197][ T5431] CPU: 0 PID: 5431 Comm: syz.1.244 Not tainted 5.15.186-syzkaller #0 [ 216.095522][ T5431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.098500][ T5431] Call trace: [ 216.099531][ T5431] dump_backtrace+0x0/0x43c [ 216.100981][ T5431] show_stack+0x2c/0x3c [ 216.102155][ T5431] __dump_stack+0x30/0x40 [ 216.103474][ T5431] dump_stack_lvl+0xf8/0x160 [ 216.104914][ T5431] dump_stack+0x1c/0x5c [ 216.106197][ T5431] sysfs_create_dir_ns+0x22c/0x24c [ 216.107680][ T5431] kobject_add_internal+0x590/0xc54 [ 216.109166][ T5431] kobject_init_and_add+0x118/0x17c [ 216.110612][ T5431] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.111961][ T5431] gfs2_fill_super+0xdac/0x19e0 [ 216.113413][ T5431] get_tree_bdev+0x358/0x544 [ 216.114726][ T5431] gfs2_get_tree+0x54/0x1b4 [ 216.116034][ T5431] vfs_get_tree+0x90/0x274 [ 216.117245][ T5431] do_new_mount+0x228/0x810 [ 216.118510][ T5431] path_mount+0x5b4/0x1000 [ 216.119687][ T5431] __arm64_sys_mount+0x514/0x5e4 [ 216.121020][ T5431] invoke_syscall+0x98/0x2b8 [ 216.122248][ T5431] el0_svc_common+0x138/0x258 [ 216.123860][ T5431] do_el0_svc+0x58/0x14c [ 216.125062][ T5431] el0_svc+0x78/0x1e0 [ 216.126228][ T5431] el0t_64_sync_handler+0xcc/0xe4 [ 216.127650][ T5431] el0t_64_sync+0x1a0/0x1a4 [ 216.131798][ T5431] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.135491][ T5431] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.421305][ T5433] loop1: detected capacity change from 0 to 32768 [ 216.437325][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.439567][ T5433] CPU: 1 PID: 5433 Comm: syz.1.245 Not tainted 5.15.186-syzkaller #0 [ 216.441730][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.444500][ T5433] Call trace: [ 216.445410][ T5433] dump_backtrace+0x0/0x43c [ 216.446703][ T5433] show_stack+0x2c/0x3c [ 216.447967][ T5433] __dump_stack+0x30/0x40 [ 216.449124][ T5433] dump_stack_lvl+0xf8/0x160 [ 216.450444][ T5433] dump_stack+0x1c/0x5c [ 216.451616][ T5433] sysfs_create_dir_ns+0x22c/0x24c [ 216.453166][ T5433] kobject_add_internal+0x590/0xc54 [ 216.454584][ T5433] kobject_init_and_add+0x118/0x17c [ 216.456134][ T5433] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.457391][ T5433] gfs2_fill_super+0xdac/0x19e0 [ 216.458822][ T5433] get_tree_bdev+0x358/0x544 [ 216.460116][ T5433] gfs2_get_tree+0x54/0x1b4 [ 216.461396][ T5433] vfs_get_tree+0x90/0x274 [ 216.462628][ T5433] do_new_mount+0x228/0x810 [ 216.463905][ T5433] path_mount+0x5b4/0x1000 [ 216.465193][ T5433] __arm64_sys_mount+0x514/0x5e4 [ 216.466664][ T5433] invoke_syscall+0x98/0x2b8 [ 216.467957][ T5433] el0_svc_common+0x138/0x258 [ 216.469314][ T5433] do_el0_svc+0x58/0x14c [ 216.470614][ T5433] el0_svc+0x78/0x1e0 [ 216.471792][ T5433] el0t_64_sync_handler+0xcc/0xe4 [ 216.473263][ T5433] el0t_64_sync+0x1a0/0x1a4 [ 216.477112][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.481122][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.803298][ T5435] loop1: detected capacity change from 0 to 32768 [ 216.869556][ T5435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.871999][ T5435] CPU: 1 PID: 5435 Comm: syz.1.246 Not tainted 5.15.186-syzkaller #0 [ 216.874298][ T5435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.877173][ T5435] Call trace: [ 216.878125][ T5435] dump_backtrace+0x0/0x43c [ 216.879409][ T5435] show_stack+0x2c/0x3c [ 216.880572][ T5435] __dump_stack+0x30/0x40 [ 216.881765][ T5435] dump_stack_lvl+0xf8/0x160 [ 216.883011][ T5435] dump_stack+0x1c/0x5c [ 216.884178][ T5435] sysfs_create_dir_ns+0x22c/0x24c [ 216.885573][ T5435] kobject_add_internal+0x590/0xc54 [ 216.887011][ T5435] kobject_init_and_add+0x118/0x17c [ 216.888396][ T5435] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.889664][ T5435] gfs2_fill_super+0xdac/0x19e0 [ 216.891044][ T5435] get_tree_bdev+0x358/0x544 [ 216.892363][ T5435] gfs2_get_tree+0x54/0x1b4 [ 216.893650][ T5435] vfs_get_tree+0x90/0x274 [ 216.894905][ T5435] do_new_mount+0x228/0x810 [ 216.896112][ T5435] path_mount+0x5b4/0x1000 [ 216.897343][ T5435] __arm64_sys_mount+0x514/0x5e4 [ 216.898731][ T5435] invoke_syscall+0x98/0x2b8 [ 216.900041][ T5435] el0_svc_common+0x138/0x258 [ 216.901369][ T5435] do_el0_svc+0x58/0x14c [ 216.902586][ T5435] el0_svc+0x78/0x1e0 [ 216.903754][ T5435] el0t_64_sync_handler+0xcc/0xe4 [ 216.905182][ T5435] el0t_64_sync+0x1a0/0x1a4 [ 216.908822][ T5435] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.913073][ T5435] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.193860][ T5437] loop1: detected capacity change from 0 to 32768 [ 217.232823][ T5437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.234862][ T5437] CPU: 1 PID: 5437 Comm: syz.1.247 Not tainted 5.15.186-syzkaller #0 [ 217.237030][ T5437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 217.239828][ T5437] Call trace: [ 217.240710][ T5437] dump_backtrace+0x0/0x43c [ 217.242040][ T5437] show_stack+0x2c/0x3c [ 217.243165][ T5437] __dump_stack+0x30/0x40 [ 217.244595][ T5437] dump_stack_lvl+0xf8/0x160 [ 217.245846][ T5437] dump_stack+0x1c/0x5c [ 217.247016][ T5437] sysfs_create_dir_ns+0x22c/0x24c [ 217.248533][ T5437] kobject_add_internal+0x590/0xc54 [ 217.249975][ T5437] kobject_init_and_add+0x118/0x17c [ 217.251402][ T5437] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.252819][ T5437] gfs2_fill_super+0xdac/0x19e0 [ 217.254217][ T5437] get_tree_bdev+0x358/0x544 [ 217.255623][ T5437] gfs2_get_tree+0x54/0x1b4 [ 217.256930][ T5437] vfs_get_tree+0x90/0x274 [ 217.258218][ T5437] do_new_mount+0x228/0x810 [ 217.259451][ T5437] path_mount+0x5b4/0x1000 [ 217.260692][ T5437] __arm64_sys_mount+0x514/0x5e4 [ 217.262168][ T5437] invoke_syscall+0x98/0x2b8 [ 217.263467][ T5437] el0_svc_common+0x138/0x258 [ 217.264789][ T5437] do_el0_svc+0x58/0x14c [ 217.265958][ T5437] el0_svc+0x78/0x1e0 [ 217.267095][ T5437] el0t_64_sync_handler+0xcc/0xe4 [ 217.268511][ T5437] el0t_64_sync+0x1a0/0x1a4 [ 217.271370][ T5437] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.275345][ T5437] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.574110][ T5439] loop1: detected capacity change from 0 to 32768 [ 217.622108][ T5439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.624228][ T5439] CPU: 0 PID: 5439 Comm: syz.1.248 Not tainted 5.15.186-syzkaller #0 [ 217.626498][ T5439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 217.629216][ T5439] Call trace: [ 217.630133][ T5439] dump_backtrace+0x0/0x43c [ 217.631406][ T5439] show_stack+0x2c/0x3c [ 217.632599][ T5439] __dump_stack+0x30/0x40 [ 217.633813][ T5439] dump_stack_lvl+0xf8/0x160 [ 217.635143][ T5439] dump_stack+0x1c/0x5c [ 217.636357][ T5439] sysfs_create_dir_ns+0x22c/0x24c [ 217.637801][ T5439] kobject_add_internal+0x590/0xc54 [ 217.639208][ T5439] kobject_init_and_add+0x118/0x17c [ 217.640692][ T5439] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.642079][ T5439] gfs2_fill_super+0xdac/0x19e0 [ 217.643496][ T5439] get_tree_bdev+0x358/0x544 [ 217.644804][ T5439] gfs2_get_tree+0x54/0x1b4 [ 217.646078][ T5439] vfs_get_tree+0x90/0x274 [ 217.647247][ T5439] do_new_mount+0x228/0x810 [ 217.648500][ T5439] path_mount+0x5b4/0x1000 [ 217.649764][ T5439] __arm64_sys_mount+0x514/0x5e4 [ 217.651137][ T5439] invoke_syscall+0x98/0x2b8 [ 217.652488][ T5439] el0_svc_common+0x138/0x258 [ 217.653865][ T5439] do_el0_svc+0x58/0x14c [ 217.655100][ T5439] el0_svc+0x78/0x1e0 [ 217.656226][ T5439] el0t_64_sync_handler+0xcc/0xe4 [ 217.657631][ T5439] el0t_64_sync+0x1a0/0x1a4 [ 217.661786][ T5439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.665742][ T5439] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.954928][ T5441] loop1: detected capacity change from 0 to 32768 [ 218.021653][ T5441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.023842][ T5441] CPU: 1 PID: 5441 Comm: syz.1.249 Not tainted 5.15.186-syzkaller #0 [ 218.026325][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 218.029067][ T5441] Call trace: [ 218.029967][ T5441] dump_backtrace+0x0/0x43c [ 218.031336][ T5441] show_stack+0x2c/0x3c [ 218.032468][ T5441] __dump_stack+0x30/0x40 [ 218.033764][ T5441] dump_stack_lvl+0xf8/0x160 [ 218.035010][ T5441] dump_stack+0x1c/0x5c [ 218.036211][ T5441] sysfs_create_dir_ns+0x22c/0x24c [ 218.037640][ T5441] kobject_add_internal+0x590/0xc54 [ 218.039071][ T5441] kobject_init_and_add+0x118/0x17c [ 218.040567][ T5441] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.041944][ T5441] gfs2_fill_super+0xdac/0x19e0 [ 218.043291][ T5441] get_tree_bdev+0x358/0x544 [ 218.044807][ T5441] gfs2_get_tree+0x54/0x1b4 [ 218.046039][ T5441] vfs_get_tree+0x90/0x274 [ 218.047370][ T5441] do_new_mount+0x228/0x810 [ 218.048641][ T5441] path_mount+0x5b4/0x1000 [ 218.049804][ T5441] __arm64_sys_mount+0x514/0x5e4 [ 218.051189][ T5441] invoke_syscall+0x98/0x2b8 [ 218.052557][ T5441] el0_svc_common+0x138/0x258 [ 218.053893][ T5441] do_el0_svc+0x58/0x14c [ 218.055036][ T5441] el0_svc+0x78/0x1e0 [ 218.056245][ T5441] el0t_64_sync_handler+0xcc/0xe4 [ 218.057781][ T5441] el0t_64_sync+0x1a0/0x1a4 [ 218.060190][ T5441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.063755][ T5441] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.355882][ T5443] loop1: detected capacity change from 0 to 32768 [ 218.408769][ T5443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.411102][ T5443] CPU: 0 PID: 5443 Comm: syz.1.250 Not tainted 5.15.186-syzkaller #0 [ 218.413583][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 218.416402][ T5443] Call trace: [ 218.417291][ T5443] dump_backtrace+0x0/0x43c [ 218.418500][ T5443] show_stack+0x2c/0x3c [ 218.419828][ T5443] __dump_stack+0x30/0x40 [ 218.421044][ T5443] dump_stack_lvl+0xf8/0x160 [ 218.422378][ T5443] dump_stack+0x1c/0x5c [ 218.423532][ T5443] sysfs_create_dir_ns+0x22c/0x24c [ 218.425013][ T5443] kobject_add_internal+0x590/0xc54 [ 218.426474][ T5443] kobject_init_and_add+0x118/0x17c [ 218.427913][ T5443] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.429298][ T5443] gfs2_fill_super+0xdac/0x19e0 [ 218.430768][ T5443] get_tree_bdev+0x358/0x544 [ 218.431992][ T5443] gfs2_get_tree+0x54/0x1b4 [ 218.433253][ T5443] vfs_get_tree+0x90/0x274 [ 218.434552][ T5443] do_new_mount+0x228/0x810 [ 218.435849][ T5443] path_mount+0x5b4/0x1000 [ 218.437074][ T5443] __arm64_sys_mount+0x514/0x5e4 [ 218.438500][ T5443] invoke_syscall+0x98/0x2b8 [ 218.439794][ T5443] el0_svc_common+0x138/0x258 [ 218.441155][ T5443] do_el0_svc+0x58/0x14c [ 218.442352][ T5443] el0_svc+0x78/0x1e0 [ 218.443445][ T5443] el0t_64_sync_handler+0xcc/0xe4 [ 218.444902][ T5443] el0t_64_sync+0x1a0/0x1a4 [ 218.450706][ T5443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.454410][ T5443] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.743179][ T5445] loop1: detected capacity change from 0 to 32768 [ 218.793248][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.795341][ T5445] CPU: 1 PID: 5445 Comm: syz.1.251 Not tainted 5.15.186-syzkaller #0 [ 218.797697][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 218.800559][ T5445] Call trace: [ 218.801431][ T5445] dump_backtrace+0x0/0x43c [ 218.802726][ T5445] show_stack+0x2c/0x3c [ 218.804020][ T5445] __dump_stack+0x30/0x40 [ 218.805238][ T5445] dump_stack_lvl+0xf8/0x160 [ 218.806821][ T5445] dump_stack+0x1c/0x5c [ 218.808094][ T5445] sysfs_create_dir_ns+0x22c/0x24c [ 218.809586][ T5445] kobject_add_internal+0x590/0xc54 [ 218.811042][ T5445] kobject_init_and_add+0x118/0x17c [ 218.812582][ T5445] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.813910][ T5445] gfs2_fill_super+0xdac/0x19e0 [ 218.815275][ T5445] get_tree_bdev+0x358/0x544 [ 218.816696][ T5445] gfs2_get_tree+0x54/0x1b4 [ 218.818006][ T5445] vfs_get_tree+0x90/0x274 [ 218.819283][ T5445] do_new_mount+0x228/0x810 [ 218.820563][ T5445] path_mount+0x5b4/0x1000 [ 218.821840][ T5445] __arm64_sys_mount+0x514/0x5e4 [ 218.823183][ T5445] invoke_syscall+0x98/0x2b8 [ 218.824464][ T5445] el0_svc_common+0x138/0x258 [ 218.825806][ T5445] do_el0_svc+0x58/0x14c [ 218.827038][ T5445] el0_svc+0x78/0x1e0 [ 218.828206][ T5445] el0t_64_sync_handler+0xcc/0xe4 [ 218.829659][ T5445] el0t_64_sync+0x1a0/0x1a4 [ 218.836156][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.840054][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.136636][ T5447] loop1: detected capacity change from 0 to 32768 [ 219.144847][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.147015][ T5447] CPU: 1 PID: 5447 Comm: syz.1.252 Not tainted 5.15.186-syzkaller #0 [ 219.149171][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.152122][ T5447] Call trace: [ 219.153091][ T5447] dump_backtrace+0x0/0x43c [ 219.154356][ T5447] show_stack+0x2c/0x3c [ 219.155447][ T5447] __dump_stack+0x30/0x40 [ 219.156684][ T5447] dump_stack_lvl+0xf8/0x160 [ 219.157982][ T5447] dump_stack+0x1c/0x5c [ 219.159185][ T5447] sysfs_create_dir_ns+0x22c/0x24c [ 219.160633][ T5447] kobject_add_internal+0x590/0xc54 [ 219.162153][ T5447] kobject_init_and_add+0x118/0x17c [ 219.163635][ T5447] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.165005][ T5447] gfs2_fill_super+0xdac/0x19e0 [ 219.166337][ T5447] get_tree_bdev+0x358/0x544 [ 219.167624][ T5447] gfs2_get_tree+0x54/0x1b4 [ 219.168903][ T5447] vfs_get_tree+0x90/0x274 [ 219.170167][ T5447] do_new_mount+0x228/0x810 [ 219.171402][ T5447] path_mount+0x5b4/0x1000 [ 219.172677][ T5447] __arm64_sys_mount+0x514/0x5e4 [ 219.174118][ T5447] invoke_syscall+0x98/0x2b8 [ 219.175499][ T5447] el0_svc_common+0x138/0x258 [ 219.176796][ T5447] do_el0_svc+0x58/0x14c [ 219.178039][ T5447] el0_svc+0x78/0x1e0 [ 219.179154][ T5447] el0t_64_sync_handler+0xcc/0xe4 [ 219.180638][ T5447] el0t_64_sync+0x1a0/0x1a4 [ 219.185345][ T5447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.189121][ T5447] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.473921][ T5449] loop1: detected capacity change from 0 to 32768 [ 219.521100][ T5449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.523327][ T5449] CPU: 1 PID: 5449 Comm: syz.1.253 Not tainted 5.15.186-syzkaller #0 [ 219.525550][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.528350][ T5449] Call trace: [ 219.529313][ T5449] dump_backtrace+0x0/0x43c [ 219.530662][ T5449] show_stack+0x2c/0x3c [ 219.531811][ T5449] __dump_stack+0x30/0x40 [ 219.533031][ T5449] dump_stack_lvl+0xf8/0x160 [ 219.534330][ T5449] dump_stack+0x1c/0x5c [ 219.535550][ T5449] sysfs_create_dir_ns+0x22c/0x24c [ 219.536965][ T5449] kobject_add_internal+0x590/0xc54 [ 219.538441][ T5449] kobject_init_and_add+0x118/0x17c [ 219.539880][ T5449] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.541195][ T5449] gfs2_fill_super+0xdac/0x19e0 [ 219.542642][ T5449] get_tree_bdev+0x358/0x544 [ 219.543879][ T5449] gfs2_get_tree+0x54/0x1b4 [ 219.545209][ T5449] vfs_get_tree+0x90/0x274 [ 219.546521][ T5449] do_new_mount+0x228/0x810 [ 219.547771][ T5449] path_mount+0x5b4/0x1000 [ 219.549027][ T5449] __arm64_sys_mount+0x514/0x5e4 [ 219.550400][ T5449] invoke_syscall+0x98/0x2b8 [ 219.551649][ T5449] el0_svc_common+0x138/0x258 [ 219.552973][ T5449] do_el0_svc+0x58/0x14c [ 219.554205][ T5449] el0_svc+0x78/0x1e0 [ 219.555400][ T5449] el0t_64_sync_handler+0xcc/0xe4 [ 219.556787][ T5449] el0t_64_sync+0x1a0/0x1a4 [ 219.567587][ T5449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.571174][ T5449] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.934048][ T5451] loop1: detected capacity change from 0 to 32768 [ 219.980854][ T5451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.983106][ T5451] CPU: 1 PID: 5451 Comm: syz.1.254 Not tainted 5.15.186-syzkaller #0 [ 219.985368][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.988205][ T5451] Call trace: [ 219.989148][ T5451] dump_backtrace+0x0/0x43c [ 219.990389][ T5451] show_stack+0x2c/0x3c [ 219.991506][ T5451] __dump_stack+0x30/0x40 [ 219.992766][ T5451] dump_stack_lvl+0xf8/0x160 [ 219.994222][ T5451] dump_stack+0x1c/0x5c [ 219.995350][ T5451] sysfs_create_dir_ns+0x22c/0x24c [ 219.996820][ T5451] kobject_add_internal+0x590/0xc54 [ 219.998243][ T5451] kobject_init_and_add+0x118/0x17c [ 219.999730][ T5451] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.001101][ T5451] gfs2_fill_super+0xdac/0x19e0 [ 220.002438][ T5451] get_tree_bdev+0x358/0x544 [ 220.003675][ T5451] gfs2_get_tree+0x54/0x1b4 [ 220.005009][ T5451] vfs_get_tree+0x90/0x274 [ 220.006218][ T5451] do_new_mount+0x228/0x810 [ 220.007545][ T5451] path_mount+0x5b4/0x1000 [ 220.008737][ T5451] __arm64_sys_mount+0x514/0x5e4 [ 220.010111][ T5451] invoke_syscall+0x98/0x2b8 [ 220.011387][ T5451] el0_svc_common+0x138/0x258 [ 220.012684][ T5451] do_el0_svc+0x58/0x14c [ 220.013919][ T5451] el0_svc+0x78/0x1e0 [ 220.015114][ T5451] el0t_64_sync_handler+0xcc/0xe4 [ 220.016520][ T5451] el0t_64_sync+0x1a0/0x1a4 [ 220.019227][ T5451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.019710][ T5451] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.305326][ T5453] loop1: detected capacity change from 0 to 32768 [ 220.364634][ T5453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.366809][ T5453] CPU: 1 PID: 5453 Comm: syz.1.255 Not tainted 5.15.186-syzkaller #0 [ 220.369132][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 220.372126][ T5453] Call trace: [ 220.373113][ T5453] dump_backtrace+0x0/0x43c [ 220.374419][ T5453] show_stack+0x2c/0x3c [ 220.375619][ T5453] __dump_stack+0x30/0x40 [ 220.376925][ T5453] dump_stack_lvl+0xf8/0x160 [ 220.378244][ T5453] dump_stack+0x1c/0x5c [ 220.379479][ T5453] sysfs_create_dir_ns+0x22c/0x24c [ 220.380979][ T5453] kobject_add_internal+0x590/0xc54 [ 220.382475][ T5453] kobject_init_and_add+0x118/0x17c [ 220.383999][ T5453] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.385365][ T5453] gfs2_fill_super+0xdac/0x19e0 [ 220.386745][ T5453] get_tree_bdev+0x358/0x544 [ 220.388042][ T5453] gfs2_get_tree+0x54/0x1b4 [ 220.389417][ T5453] vfs_get_tree+0x90/0x274 [ 220.390743][ T5453] do_new_mount+0x228/0x810 [ 220.392084][ T5453] path_mount+0x5b4/0x1000 [ 220.393320][ T5453] __arm64_sys_mount+0x514/0x5e4 [ 220.394744][ T5453] invoke_syscall+0x98/0x2b8 [ 220.396039][ T5453] el0_svc_common+0x138/0x258 [ 220.397351][ T5453] do_el0_svc+0x58/0x14c [ 220.398523][ T5453] el0_svc+0x78/0x1e0 [ 220.399627][ T5453] el0t_64_sync_handler+0xcc/0xe4 [ 220.401015][ T5453] el0t_64_sync+0x1a0/0x1a4 [ 220.405121][ T5453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.408663][ T5453] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:40 executed programs: 243 [ 220.775011][ T5455] loop1: detected capacity change from 0 to 32768 [ 220.789759][ T5455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.792164][ T5455] CPU: 0 PID: 5455 Comm: syz.1.256 Not tainted 5.15.186-syzkaller #0 [ 220.794454][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 220.797288][ T5455] Call trace: [ 220.798183][ T5455] dump_backtrace+0x0/0x43c [ 220.799445][ T5455] show_stack+0x2c/0x3c [ 220.800686][ T5455] __dump_stack+0x30/0x40 [ 220.801981][ T5455] dump_stack_lvl+0xf8/0x160 [ 220.803279][ T5455] dump_stack+0x1c/0x5c [ 220.804415][ T5455] sysfs_create_dir_ns+0x22c/0x24c [ 220.805858][ T5455] kobject_add_internal+0x590/0xc54 [ 220.807284][ T5455] kobject_init_and_add+0x118/0x17c [ 220.808726][ T5455] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.810112][ T5455] gfs2_fill_super+0xdac/0x19e0 [ 220.811437][ T5455] get_tree_bdev+0x358/0x544 [ 220.812746][ T5455] gfs2_get_tree+0x54/0x1b4 [ 220.814025][ T5455] vfs_get_tree+0x90/0x274 [ 220.815297][ T5455] do_new_mount+0x228/0x810 [ 220.816549][ T5455] path_mount+0x5b4/0x1000 [ 220.817763][ T5455] __arm64_sys_mount+0x514/0x5e4 [ 220.819149][ T5455] invoke_syscall+0x98/0x2b8 [ 220.820463][ T5455] el0_svc_common+0x138/0x258 [ 220.821771][ T5455] do_el0_svc+0x58/0x14c [ 220.823034][ T5455] el0_svc+0x78/0x1e0 [ 220.824144][ T5455] el0t_64_sync_handler+0xcc/0xe4 [ 220.825565][ T5455] el0t_64_sync+0x1a0/0x1a4 [ 220.828975][ T5455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.832811][ T5455] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.125352][ T5457] loop1: detected capacity change from 0 to 32768 [ 221.179489][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.181593][ T5457] CPU: 1 PID: 5457 Comm: syz.1.257 Not tainted 5.15.186-syzkaller #0 [ 221.183957][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 221.186785][ T5457] Call trace: [ 221.187703][ T5457] dump_backtrace+0x0/0x43c [ 221.189067][ T5457] show_stack+0x2c/0x3c [ 221.190294][ T5457] __dump_stack+0x30/0x40 [ 221.191542][ T5457] dump_stack_lvl+0xf8/0x160 [ 221.192840][ T5457] dump_stack+0x1c/0x5c [ 221.193981][ T5457] sysfs_create_dir_ns+0x22c/0x24c [ 221.195393][ T5457] kobject_add_internal+0x590/0xc54 [ 221.196787][ T5457] kobject_init_and_add+0x118/0x17c [ 221.198195][ T5457] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.199611][ T5457] gfs2_fill_super+0xdac/0x19e0 [ 221.201030][ T5457] get_tree_bdev+0x358/0x544 [ 221.202328][ T5457] gfs2_get_tree+0x54/0x1b4 [ 221.203618][ T5457] vfs_get_tree+0x90/0x274 [ 221.204880][ T5457] do_new_mount+0x228/0x810 [ 221.206128][ T5457] path_mount+0x5b4/0x1000 [ 221.207361][ T5457] __arm64_sys_mount+0x514/0x5e4 [ 221.208770][ T5457] invoke_syscall+0x98/0x2b8 [ 221.210039][ T5457] el0_svc_common+0x138/0x258 [ 221.211328][ T5457] do_el0_svc+0x58/0x14c [ 221.212522][ T5457] el0_svc+0x78/0x1e0 [ 221.213670][ T5457] el0t_64_sync_handler+0xcc/0xe4 [ 221.215119][ T5457] el0t_64_sync+0x1a0/0x1a4 [ 221.217006][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.221281][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.517139][ T5459] loop1: detected capacity change from 0 to 32768 [ 221.525335][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.527570][ T5459] CPU: 0 PID: 5459 Comm: syz.1.258 Not tainted 5.15.186-syzkaller #0 [ 221.529793][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 221.532640][ T5459] Call trace: [ 221.533599][ T5459] dump_backtrace+0x0/0x43c [ 221.534900][ T5459] show_stack+0x2c/0x3c [ 221.536145][ T5459] __dump_stack+0x30/0x40 [ 221.537319][ T5459] dump_stack_lvl+0xf8/0x160 [ 221.538630][ T5459] dump_stack+0x1c/0x5c [ 221.539860][ T5459] sysfs_create_dir_ns+0x22c/0x24c [ 221.541371][ T5459] kobject_add_internal+0x590/0xc54 [ 221.542872][ T5459] kobject_init_and_add+0x118/0x17c [ 221.544405][ T5459] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.545746][ T5459] gfs2_fill_super+0xdac/0x19e0 [ 221.547146][ T5459] get_tree_bdev+0x358/0x544 [ 221.548423][ T5459] gfs2_get_tree+0x54/0x1b4 [ 221.549736][ T5459] vfs_get_tree+0x90/0x274 [ 221.550975][ T5459] do_new_mount+0x228/0x810 [ 221.552388][ T5459] path_mount+0x5b4/0x1000 [ 221.553654][ T5459] __arm64_sys_mount+0x514/0x5e4 [ 221.555067][ T5459] invoke_syscall+0x98/0x2b8 [ 221.556397][ T5459] el0_svc_common+0x138/0x258 [ 221.557796][ T5459] do_el0_svc+0x58/0x14c [ 221.558975][ T5459] el0_svc+0x78/0x1e0 [ 221.560047][ T5459] el0t_64_sync_handler+0xcc/0xe4 [ 221.561596][ T5459] el0t_64_sync+0x1a0/0x1a4 [ 221.565343][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.569118][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.002380][ T5461] loop1: detected capacity change from 0 to 32768 [ 222.063166][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.065303][ T5461] CPU: 0 PID: 5461 Comm: syz.1.259 Not tainted 5.15.186-syzkaller #0 [ 222.067745][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 222.070788][ T5461] Call trace: [ 222.071680][ T5461] dump_backtrace+0x0/0x43c [ 222.073019][ T5461] show_stack+0x2c/0x3c [ 222.074211][ T5461] __dump_stack+0x30/0x40 [ 222.075407][ T5461] dump_stack_lvl+0xf8/0x160 [ 222.076730][ T5461] dump_stack+0x1c/0x5c [ 222.077935][ T5461] sysfs_create_dir_ns+0x22c/0x24c [ 222.079568][ T5461] kobject_add_internal+0x590/0xc54 [ 222.081164][ T5461] kobject_init_and_add+0x118/0x17c [ 222.082697][ T5461] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.084070][ T5461] gfs2_fill_super+0xdac/0x19e0 [ 222.085256][ T5461] get_tree_bdev+0x358/0x544 [ 222.086583][ T5461] gfs2_get_tree+0x54/0x1b4 [ 222.087969][ T5461] vfs_get_tree+0x90/0x274 [ 222.089205][ T5461] do_new_mount+0x228/0x810 [ 222.090567][ T5461] path_mount+0x5b4/0x1000 [ 222.091848][ T5461] __arm64_sys_mount+0x514/0x5e4 [ 222.093117][ T5461] invoke_syscall+0x98/0x2b8 [ 222.094479][ T5461] el0_svc_common+0x138/0x258 [ 222.095811][ T5461] do_el0_svc+0x58/0x14c [ 222.097027][ T5461] el0_svc+0x78/0x1e0 [ 222.098156][ T5461] el0t_64_sync_handler+0xcc/0xe4 [ 222.099715][ T5461] el0t_64_sync+0x1a0/0x1a4 [ 222.103493][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.107336][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.397570][ T5463] loop1: detected capacity change from 0 to 32768 [ 222.407579][ T5463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.413772][ T5463] CPU: 0 PID: 5463 Comm: syz.1.260 Not tainted 5.15.186-syzkaller #0 [ 222.415992][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 222.418655][ T5463] Call trace: [ 222.419524][ T5463] dump_backtrace+0x0/0x43c [ 222.420731][ T5463] show_stack+0x2c/0x3c [ 222.421844][ T5463] __dump_stack+0x30/0x40 [ 222.423052][ T5463] dump_stack_lvl+0xf8/0x160 [ 222.424285][ T5463] dump_stack+0x1c/0x5c [ 222.425379][ T5463] sysfs_create_dir_ns+0x22c/0x24c [ 222.426869][ T5463] kobject_add_internal+0x590/0xc54 [ 222.428337][ T5463] kobject_init_and_add+0x118/0x17c [ 222.429776][ T5463] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.431123][ T5463] gfs2_fill_super+0xdac/0x19e0 [ 222.432527][ T5463] get_tree_bdev+0x358/0x544 [ 222.433808][ T5463] gfs2_get_tree+0x54/0x1b4 [ 222.435090][ T5463] vfs_get_tree+0x90/0x274 [ 222.436300][ T5463] do_new_mount+0x228/0x810 [ 222.437584][ T5463] path_mount+0x5b4/0x1000 [ 222.438875][ T5463] __arm64_sys_mount+0x514/0x5e4 [ 222.440330][ T5463] invoke_syscall+0x98/0x2b8 [ 222.441600][ T5463] el0_svc_common+0x138/0x258 [ 222.442922][ T5463] do_el0_svc+0x58/0x14c [ 222.444149][ T5463] el0_svc+0x78/0x1e0 [ 222.445323][ T5463] el0t_64_sync_handler+0xcc/0xe4 [ 222.446798][ T5463] el0t_64_sync+0x1a0/0x1a4 [ 222.451127][ T5463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.454950][ T5463] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.788842][ T5465] loop1: detected capacity change from 0 to 32768 [ 222.843727][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.846009][ T5465] CPU: 0 PID: 5465 Comm: syz.1.261 Not tainted 5.15.186-syzkaller #0 [ 222.848156][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 222.850852][ T5465] Call trace: [ 222.851760][ T5465] dump_backtrace+0x0/0x43c [ 222.853061][ T5465] show_stack+0x2c/0x3c [ 222.854274][ T5465] __dump_stack+0x30/0x40 [ 222.855556][ T5465] dump_stack_lvl+0xf8/0x160 [ 222.856851][ T5465] dump_stack+0x1c/0x5c [ 222.858016][ T5465] sysfs_create_dir_ns+0x22c/0x24c [ 222.859547][ T5465] kobject_add_internal+0x590/0xc54 [ 222.861042][ T5465] kobject_init_and_add+0x118/0x17c [ 222.862499][ T5465] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.863901][ T5465] gfs2_fill_super+0xdac/0x19e0 [ 222.865360][ T5465] get_tree_bdev+0x358/0x544 [ 222.866662][ T5465] gfs2_get_tree+0x54/0x1b4 [ 222.867929][ T5465] vfs_get_tree+0x90/0x274 [ 222.869236][ T5465] do_new_mount+0x228/0x810 [ 222.870571][ T5465] path_mount+0x5b4/0x1000 [ 222.871890][ T5465] __arm64_sys_mount+0x514/0x5e4 [ 222.873235][ T5465] invoke_syscall+0x98/0x2b8 [ 222.874503][ T5465] el0_svc_common+0x138/0x258 [ 222.875824][ T5465] do_el0_svc+0x58/0x14c [ 222.877037][ T5465] el0_svc+0x78/0x1e0 [ 222.878191][ T5465] el0t_64_sync_handler+0xcc/0xe4 [ 222.879552][ T5465] el0t_64_sync+0x1a0/0x1a4 [ 222.884458][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.888145][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.210976][ T5467] loop1: detected capacity change from 0 to 32768 [ 223.289187][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.291597][ T5467] CPU: 1 PID: 5467 Comm: syz.1.262 Not tainted 5.15.186-syzkaller #0 [ 223.294051][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.296911][ T5467] Call trace: [ 223.297872][ T5467] dump_backtrace+0x0/0x43c [ 223.299257][ T5467] show_stack+0x2c/0x3c [ 223.300486][ T5467] __dump_stack+0x30/0x40 [ 223.301663][ T5467] dump_stack_lvl+0xf8/0x160 [ 223.303017][ T5467] dump_stack+0x1c/0x5c [ 223.304244][ T5467] sysfs_create_dir_ns+0x22c/0x24c [ 223.305747][ T5467] kobject_add_internal+0x590/0xc54 [ 223.307207][ T5467] kobject_init_and_add+0x118/0x17c [ 223.308765][ T5467] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.310169][ T5467] gfs2_fill_super+0xdac/0x19e0 [ 223.311602][ T5467] get_tree_bdev+0x358/0x544 [ 223.312880][ T5467] gfs2_get_tree+0x54/0x1b4 [ 223.314197][ T5467] vfs_get_tree+0x90/0x274 [ 223.315419][ T5467] do_new_mount+0x228/0x810 [ 223.316662][ T5467] path_mount+0x5b4/0x1000 [ 223.317944][ T5467] __arm64_sys_mount+0x514/0x5e4 [ 223.319352][ T5467] invoke_syscall+0x98/0x2b8 [ 223.320694][ T5467] el0_svc_common+0x138/0x258 [ 223.322010][ T5467] do_el0_svc+0x58/0x14c [ 223.323246][ T5467] el0_svc+0x78/0x1e0 [ 223.324412][ T5467] el0t_64_sync_handler+0xcc/0xe4 [ 223.325824][ T5467] el0t_64_sync+0x1a0/0x1a4 [ 223.327540][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.331321][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.613359][ T5469] loop1: detected capacity change from 0 to 32768 [ 223.661237][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.663388][ T5469] CPU: 0 PID: 5469 Comm: syz.1.263 Not tainted 5.15.186-syzkaller #0 [ 223.665680][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.668409][ T5469] Call trace: [ 223.669363][ T5469] dump_backtrace+0x0/0x43c [ 223.670689][ T5469] show_stack+0x2c/0x3c [ 223.672029][ T5469] __dump_stack+0x30/0x40 [ 223.673237][ T5469] dump_stack_lvl+0xf8/0x160 [ 223.674527][ T5469] dump_stack+0x1c/0x5c [ 223.675711][ T5469] sysfs_create_dir_ns+0x22c/0x24c [ 223.677187][ T5469] kobject_add_internal+0x590/0xc54 [ 223.678762][ T5469] kobject_init_and_add+0x118/0x17c [ 223.680408][ T5469] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.681764][ T5469] gfs2_fill_super+0xdac/0x19e0 [ 223.683178][ T5469] get_tree_bdev+0x358/0x544 [ 223.684530][ T5469] gfs2_get_tree+0x54/0x1b4 [ 223.685851][ T5469] vfs_get_tree+0x90/0x274 [ 223.687152][ T5469] do_new_mount+0x228/0x810 [ 223.688423][ T5469] path_mount+0x5b4/0x1000 [ 223.689760][ T5469] __arm64_sys_mount+0x514/0x5e4 [ 223.691128][ T5469] invoke_syscall+0x98/0x2b8 [ 223.692393][ T5469] el0_svc_common+0x138/0x258 [ 223.693725][ T5469] do_el0_svc+0x58/0x14c [ 223.694933][ T5469] el0_svc+0x78/0x1e0 [ 223.696009][ T5469] el0t_64_sync_handler+0xcc/0xe4 [ 223.697526][ T5469] el0t_64_sync+0x1a0/0x1a4 [ 223.704428][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.708199][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.999392][ T5471] loop1: detected capacity change from 0 to 32768 [ 224.041088][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.043307][ T5471] CPU: 1 PID: 5471 Comm: syz.1.264 Not tainted 5.15.186-syzkaller #0 [ 224.045586][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.048348][ T5471] Call trace: [ 224.049208][ T5471] dump_backtrace+0x0/0x43c [ 224.050403][ T5471] show_stack+0x2c/0x3c [ 224.051550][ T5471] __dump_stack+0x30/0x40 [ 224.052741][ T5471] dump_stack_lvl+0xf8/0x160 [ 224.054040][ T5471] dump_stack+0x1c/0x5c [ 224.055252][ T5471] sysfs_create_dir_ns+0x22c/0x24c [ 224.056688][ T5471] kobject_add_internal+0x590/0xc54 [ 224.058152][ T5471] kobject_init_and_add+0x118/0x17c [ 224.059655][ T5471] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.060988][ T5471] gfs2_fill_super+0xdac/0x19e0 [ 224.062304][ T5471] get_tree_bdev+0x358/0x544 [ 224.063588][ T5471] gfs2_get_tree+0x54/0x1b4 [ 224.064854][ T5471] vfs_get_tree+0x90/0x274 [ 224.066115][ T5471] do_new_mount+0x228/0x810 [ 224.067400][ T5471] path_mount+0x5b4/0x1000 [ 224.068652][ T5471] __arm64_sys_mount+0x514/0x5e4 [ 224.070079][ T5471] invoke_syscall+0x98/0x2b8 [ 224.071400][ T5471] el0_svc_common+0x138/0x258 [ 224.072745][ T5471] do_el0_svc+0x58/0x14c [ 224.073962][ T5471] el0_svc+0x78/0x1e0 [ 224.075132][ T5471] el0t_64_sync_handler+0xcc/0xe4 [ 224.076581][ T5471] el0t_64_sync+0x1a0/0x1a4 [ 224.078727][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.083018][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.362744][ T5473] loop1: detected capacity change from 0 to 32768 [ 224.469415][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.471624][ T5473] CPU: 1 PID: 5473 Comm: syz.1.265 Not tainted 5.15.186-syzkaller #0 [ 224.473871][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.476622][ T5473] Call trace: [ 224.477477][ T5473] dump_backtrace+0x0/0x43c [ 224.478709][ T5473] show_stack+0x2c/0x3c [ 224.479840][ T5473] __dump_stack+0x30/0x40 [ 224.481265][ T5473] dump_stack_lvl+0xf8/0x160 [ 224.482583][ T5473] dump_stack+0x1c/0x5c [ 224.483798][ T5473] sysfs_create_dir_ns+0x22c/0x24c [ 224.485167][ T5473] kobject_add_internal+0x590/0xc54 [ 224.486559][ T5473] kobject_init_and_add+0x118/0x17c [ 224.488042][ T5473] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.489381][ T5473] gfs2_fill_super+0xdac/0x19e0 [ 224.490868][ T5473] get_tree_bdev+0x358/0x544 [ 224.492314][ T5473] gfs2_get_tree+0x54/0x1b4 [ 224.493556][ T5473] vfs_get_tree+0x90/0x274 [ 224.494756][ T5473] do_new_mount+0x228/0x810 [ 224.495983][ T5473] path_mount+0x5b4/0x1000 [ 224.497190][ T5473] __arm64_sys_mount+0x514/0x5e4 [ 224.498607][ T5473] invoke_syscall+0x98/0x2b8 [ 224.499978][ T5473] el0_svc_common+0x138/0x258 [ 224.501315][ T5473] do_el0_svc+0x58/0x14c [ 224.502641][ T5473] el0_svc+0x78/0x1e0 [ 224.503780][ T5473] el0t_64_sync_handler+0xcc/0xe4 [ 224.505229][ T5473] el0t_64_sync+0x1a0/0x1a4 [ 224.507751][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.511629][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.848441][ T5475] loop1: detected capacity change from 0 to 32768 [ 224.895571][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.898364][ T5475] CPU: 0 PID: 5475 Comm: syz.1.266 Not tainted 5.15.186-syzkaller #0 [ 224.900759][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.903556][ T5475] Call trace: [ 224.904501][ T5475] dump_backtrace+0x0/0x43c [ 224.905747][ T5475] show_stack+0x2c/0x3c [ 224.906883][ T5475] __dump_stack+0x30/0x40 [ 224.908111][ T5475] dump_stack_lvl+0xf8/0x160 [ 224.909510][ T5475] dump_stack+0x1c/0x5c [ 224.910655][ T5475] sysfs_create_dir_ns+0x22c/0x24c [ 224.912056][ T5475] kobject_add_internal+0x590/0xc54 [ 224.913538][ T5475] kobject_init_and_add+0x118/0x17c [ 224.915000][ T5475] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.916389][ T5475] gfs2_fill_super+0xdac/0x19e0 [ 224.917721][ T5475] get_tree_bdev+0x358/0x544 [ 224.918998][ T5475] gfs2_get_tree+0x54/0x1b4 [ 224.920207][ T5475] vfs_get_tree+0x90/0x274 [ 224.921439][ T5475] do_new_mount+0x228/0x810 [ 224.922663][ T5475] path_mount+0x5b4/0x1000 [ 224.923852][ T5475] __arm64_sys_mount+0x514/0x5e4 [ 224.925243][ T5475] invoke_syscall+0x98/0x2b8 [ 224.926498][ T5475] el0_svc_common+0x138/0x258 [ 224.927846][ T5475] do_el0_svc+0x58/0x14c [ 224.928996][ T5475] el0_svc+0x78/0x1e0 [ 224.930093][ T5475] el0t_64_sync_handler+0xcc/0xe4 [ 224.931566][ T5475] el0t_64_sync+0x1a0/0x1a4 [ 224.936874][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.940946][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.228930][ T5477] loop1: detected capacity change from 0 to 32768 [ 225.282543][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.284781][ T5477] CPU: 1 PID: 5477 Comm: syz.1.267 Not tainted 5.15.186-syzkaller #0 [ 225.287053][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 225.289942][ T5477] Call trace: [ 225.290886][ T5477] dump_backtrace+0x0/0x43c [ 225.292171][ T5477] show_stack+0x2c/0x3c [ 225.293358][ T5477] __dump_stack+0x30/0x40 [ 225.294670][ T5477] dump_stack_lvl+0xf8/0x160 [ 225.295972][ T5477] dump_stack+0x1c/0x5c [ 225.297165][ T5477] sysfs_create_dir_ns+0x22c/0x24c [ 225.298637][ T5477] kobject_add_internal+0x590/0xc54 [ 225.300127][ T5477] kobject_init_and_add+0x118/0x17c [ 225.301655][ T5477] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.303094][ T5477] gfs2_fill_super+0xdac/0x19e0 [ 225.304514][ T5477] get_tree_bdev+0x358/0x544 [ 225.305829][ T5477] gfs2_get_tree+0x54/0x1b4 [ 225.307154][ T5477] vfs_get_tree+0x90/0x274 [ 225.308422][ T5477] do_new_mount+0x228/0x810 [ 225.309691][ T5477] path_mount+0x5b4/0x1000 [ 225.310987][ T5477] __arm64_sys_mount+0x514/0x5e4 [ 225.312378][ T5477] invoke_syscall+0x98/0x2b8 [ 225.313681][ T5477] el0_svc_common+0x138/0x258 [ 225.314998][ T5477] do_el0_svc+0x58/0x14c [ 225.316256][ T5477] el0_svc+0x78/0x1e0 [ 225.317474][ T5477] el0t_64_sync_handler+0xcc/0xe4 [ 225.318920][ T5477] el0t_64_sync+0x1a0/0x1a4 [ 225.320681][ T4189] Bluetooth: hci0: command 0x0406 tx timeout [ 225.323060][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.326975][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.681825][ T5479] loop1: detected capacity change from 0 to 32768 [ 225.740698][ T5479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.744091][ T5479] CPU: 0 PID: 5479 Comm: syz.1.268 Not tainted 5.15.186-syzkaller #0 [ 225.747658][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 225.751019][ T5479] Call trace: [ 225.751944][ T5479] dump_backtrace+0x0/0x43c [ 225.753216][ T5479] show_stack+0x2c/0x3c [ 225.754365][ T5479] __dump_stack+0x30/0x40 [ 225.755601][ T5479] dump_stack_lvl+0xf8/0x160 [ 225.756871][ T5479] dump_stack+0x1c/0x5c [ 225.758113][ T5479] sysfs_create_dir_ns+0x22c/0x24c [ 225.759633][ T5479] kobject_add_internal+0x590/0xc54 [ 225.761079][ T5479] kobject_init_and_add+0x118/0x17c [ 225.762549][ T5479] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.763870][ T5479] gfs2_fill_super+0xdac/0x19e0 [ 225.765331][ T5479] get_tree_bdev+0x358/0x544 [ 225.766600][ T5479] gfs2_get_tree+0x54/0x1b4 [ 225.767891][ T5479] vfs_get_tree+0x90/0x274 [ 225.769167][ T5479] do_new_mount+0x228/0x810 [ 225.770446][ T5479] path_mount+0x5b4/0x1000 [ 225.771704][ T5479] __arm64_sys_mount+0x514/0x5e4 [ 225.773057][ T5479] invoke_syscall+0x98/0x2b8 [ 225.774377][ T5479] el0_svc_common+0x138/0x258 [ 225.775718][ T5479] do_el0_svc+0x58/0x14c [ 225.776907][ T5479] el0_svc+0x78/0x1e0 [ 225.778042][ T5479] el0t_64_sync_handler+0xcc/0xe4 [ 225.779478][ T5479] el0t_64_sync+0x1a0/0x1a4 [ 225.783211][ T5479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.787226][ T5479] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:45 executed programs: 256 [ 226.147365][ T5481] loop1: detected capacity change from 0 to 32768 [ 226.205490][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.207849][ T5481] CPU: 0 PID: 5481 Comm: syz.1.269 Not tainted 5.15.186-syzkaller #0 [ 226.210346][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 226.213568][ T5481] Call trace: [ 226.214625][ T5481] dump_backtrace+0x0/0x43c [ 226.215976][ T5481] show_stack+0x2c/0x3c [ 226.217187][ T5481] __dump_stack+0x30/0x40 [ 226.218506][ T5481] dump_stack_lvl+0xf8/0x160 [ 226.219835][ T5481] dump_stack+0x1c/0x5c [ 226.221026][ T5481] sysfs_create_dir_ns+0x22c/0x24c [ 226.222493][ T5481] kobject_add_internal+0x590/0xc54 [ 226.224181][ T5481] kobject_init_and_add+0x118/0x17c [ 226.225676][ T5481] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.227069][ T5481] gfs2_fill_super+0xdac/0x19e0 [ 226.228431][ T5481] get_tree_bdev+0x358/0x544 [ 226.229786][ T5481] gfs2_get_tree+0x54/0x1b4 [ 226.231117][ T5481] vfs_get_tree+0x90/0x274 [ 226.232572][ T5481] do_new_mount+0x228/0x810 [ 226.233873][ T5481] path_mount+0x5b4/0x1000 [ 226.235190][ T5481] __arm64_sys_mount+0x514/0x5e4 [ 226.236636][ T5481] invoke_syscall+0x98/0x2b8 [ 226.237964][ T5481] el0_svc_common+0x138/0x258 [ 226.239451][ T5481] do_el0_svc+0x58/0x14c [ 226.240771][ T5481] el0_svc+0x78/0x1e0 [ 226.242009][ T5481] el0t_64_sync_handler+0xcc/0xe4 [ 226.243598][ T5481] el0t_64_sync+0x1a0/0x1a4 [ 226.249067][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.256196][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.550560][ T5483] loop1: detected capacity change from 0 to 32768 [ 226.606238][ T5483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.608494][ T5483] CPU: 0 PID: 5483 Comm: syz.1.270 Not tainted 5.15.186-syzkaller #0 [ 226.610878][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 226.613855][ T5483] Call trace: [ 226.614823][ T5483] dump_backtrace+0x0/0x43c [ 226.616208][ T5483] show_stack+0x2c/0x3c [ 226.617385][ T5483] __dump_stack+0x30/0x40 [ 226.618665][ T5483] dump_stack_lvl+0xf8/0x160 [ 226.620046][ T5483] dump_stack+0x1c/0x5c [ 226.621256][ T5483] sysfs_create_dir_ns+0x22c/0x24c [ 226.622905][ T5483] kobject_add_internal+0x590/0xc54 [ 226.624513][ T5483] kobject_init_and_add+0x118/0x17c [ 226.626052][ T5483] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.627373][ T5483] gfs2_fill_super+0xdac/0x19e0 [ 226.628733][ T5483] get_tree_bdev+0x358/0x544 [ 226.630022][ T5483] gfs2_get_tree+0x54/0x1b4 [ 226.631278][ T5483] vfs_get_tree+0x90/0x274 [ 226.632479][ T5483] do_new_mount+0x228/0x810 [ 226.633718][ T5483] path_mount+0x5b4/0x1000 [ 226.634931][ T5483] __arm64_sys_mount+0x514/0x5e4 [ 226.636275][ T5483] invoke_syscall+0x98/0x2b8 [ 226.637673][ T5483] el0_svc_common+0x138/0x258 [ 226.639084][ T5483] do_el0_svc+0x58/0x14c [ 226.640409][ T5483] el0_svc+0x78/0x1e0 [ 226.641594][ T5483] el0t_64_sync_handler+0xcc/0xe4 [ 226.643087][ T5483] el0t_64_sync+0x1a0/0x1a4 [ 226.648048][ T5483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.652017][ T5483] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.945149][ T5485] loop1: detected capacity change from 0 to 32768 [ 226.988307][ T5485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.990578][ T5485] CPU: 0 PID: 5485 Comm: syz.1.271 Not tainted 5.15.186-syzkaller #0 [ 226.992798][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 226.995664][ T5485] Call trace: [ 226.996615][ T5485] dump_backtrace+0x0/0x43c [ 226.997933][ T5485] show_stack+0x2c/0x3c [ 226.999163][ T5485] __dump_stack+0x30/0x40 [ 227.000450][ T5485] dump_stack_lvl+0xf8/0x160 [ 227.001748][ T5485] dump_stack+0x1c/0x5c [ 227.002954][ T5485] sysfs_create_dir_ns+0x22c/0x24c [ 227.004484][ T5485] kobject_add_internal+0x590/0xc54 [ 227.006012][ T5485] kobject_init_and_add+0x118/0x17c [ 227.007522][ T5485] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.008939][ T5485] gfs2_fill_super+0xdac/0x19e0 [ 227.010377][ T5485] get_tree_bdev+0x358/0x544 [ 227.011748][ T5485] gfs2_get_tree+0x54/0x1b4 [ 227.012966][ T5485] vfs_get_tree+0x90/0x274 [ 227.014168][ T5485] do_new_mount+0x228/0x810 [ 227.015517][ T5485] path_mount+0x5b4/0x1000 [ 227.016736][ T5485] __arm64_sys_mount+0x514/0x5e4 [ 227.018248][ T5485] invoke_syscall+0x98/0x2b8 [ 227.019572][ T5485] el0_svc_common+0x138/0x258 [ 227.020902][ T5485] do_el0_svc+0x58/0x14c [ 227.022201][ T5485] el0_svc+0x78/0x1e0 [ 227.023338][ T5485] el0t_64_sync_handler+0xcc/0xe4 [ 227.024768][ T5485] el0t_64_sync+0x1a0/0x1a4 [ 227.030204][ T5485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.033901][ T5485] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.428543][ T5487] loop1: detected capacity change from 0 to 32768 [ 227.535599][ T5487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.538048][ T5487] CPU: 0 PID: 5487 Comm: syz.1.272 Not tainted 5.15.186-syzkaller #0 [ 227.540442][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 227.543407][ T5487] Call trace: [ 227.544375][ T5487] dump_backtrace+0x0/0x43c [ 227.545697][ T5487] show_stack+0x2c/0x3c [ 227.546967][ T5487] __dump_stack+0x30/0x40 [ 227.548345][ T5487] dump_stack_lvl+0xf8/0x160 [ 227.549769][ T5487] dump_stack+0x1c/0x5c [ 227.550987][ T5487] sysfs_create_dir_ns+0x22c/0x24c [ 227.552476][ T5487] kobject_add_internal+0x590/0xc54 [ 227.554031][ T5487] kobject_init_and_add+0x118/0x17c [ 227.555612][ T5487] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.557031][ T5487] gfs2_fill_super+0xdac/0x19e0 [ 227.558438][ T5487] get_tree_bdev+0x358/0x544 [ 227.559955][ T5487] gfs2_get_tree+0x54/0x1b4 [ 227.561316][ T5487] vfs_get_tree+0x90/0x274 [ 227.562678][ T5487] do_new_mount+0x228/0x810 [ 227.564048][ T5487] path_mount+0x5b4/0x1000 [ 227.565320][ T5487] __arm64_sys_mount+0x514/0x5e4 [ 227.566835][ T5487] invoke_syscall+0x98/0x2b8 [ 227.568246][ T5487] el0_svc_common+0x138/0x258 [ 227.569770][ T5487] do_el0_svc+0x58/0x14c [ 227.571138][ T5487] el0_svc+0x78/0x1e0 [ 227.572323][ T5487] el0t_64_sync_handler+0xcc/0xe4 [ 227.573859][ T5487] el0t_64_sync+0x1a0/0x1a4 [ 227.580308][ T5487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.584042][ T5487] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.888665][ T5489] loop1: detected capacity change from 0 to 32768 [ 227.941095][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.943205][ T5489] CPU: 0 PID: 5489 Comm: syz.1.273 Not tainted 5.15.186-syzkaller #0 [ 227.945507][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 227.948399][ T5489] Call trace: [ 227.949288][ T5489] dump_backtrace+0x0/0x43c [ 227.950606][ T5489] show_stack+0x2c/0x3c [ 227.951841][ T5489] __dump_stack+0x30/0x40 [ 227.953072][ T5489] dump_stack_lvl+0xf8/0x160 [ 227.954489][ T5489] dump_stack+0x1c/0x5c [ 227.955672][ T5489] sysfs_create_dir_ns+0x22c/0x24c [ 227.957196][ T5489] kobject_add_internal+0x590/0xc54 [ 227.958683][ T5489] kobject_init_and_add+0x118/0x17c [ 227.960159][ T5489] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.961558][ T5489] gfs2_fill_super+0xdac/0x19e0 [ 227.962928][ T5489] get_tree_bdev+0x358/0x544 [ 227.964317][ T5489] gfs2_get_tree+0x54/0x1b4 [ 227.965737][ T5489] vfs_get_tree+0x90/0x274 [ 227.967074][ T5489] do_new_mount+0x228/0x810 [ 227.968346][ T5489] path_mount+0x5b4/0x1000 [ 227.969591][ T5489] __arm64_sys_mount+0x514/0x5e4 [ 227.971053][ T5489] invoke_syscall+0x98/0x2b8 [ 227.972422][ T5489] el0_svc_common+0x138/0x258 [ 227.973705][ T5489] do_el0_svc+0x58/0x14c [ 227.974935][ T5489] el0_svc+0x78/0x1e0 [ 227.976107][ T5489] el0t_64_sync_handler+0xcc/0xe4 [ 227.977527][ T5489] el0t_64_sync+0x1a0/0x1a4 [ 227.984132][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.988010][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.281326][ T5491] loop1: detected capacity change from 0 to 32768 [ 228.351986][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.354109][ T5491] CPU: 0 PID: 5491 Comm: syz.1.274 Not tainted 5.15.186-syzkaller #0 [ 228.356466][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 228.359358][ T5491] Call trace: [ 228.360352][ T5491] dump_backtrace+0x0/0x43c [ 228.361686][ T5491] show_stack+0x2c/0x3c [ 228.362838][ T5491] __dump_stack+0x30/0x40 [ 228.364038][ T5491] dump_stack_lvl+0xf8/0x160 [ 228.365296][ T5491] dump_stack+0x1c/0x5c [ 228.366540][ T5491] sysfs_create_dir_ns+0x22c/0x24c [ 228.368037][ T5491] kobject_add_internal+0x590/0xc54 [ 228.369668][ T5491] kobject_init_and_add+0x118/0x17c [ 228.371243][ T5491] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.372883][ T5491] gfs2_fill_super+0xdac/0x19e0 [ 228.374280][ T5491] get_tree_bdev+0x358/0x544 [ 228.375614][ T5491] gfs2_get_tree+0x54/0x1b4 [ 228.376881][ T5491] vfs_get_tree+0x90/0x274 [ 228.378209][ T5491] do_new_mount+0x228/0x810 [ 228.379538][ T5491] path_mount+0x5b4/0x1000 [ 228.380859][ T5491] __arm64_sys_mount+0x514/0x5e4 [ 228.382238][ T5491] invoke_syscall+0x98/0x2b8 [ 228.383593][ T5491] el0_svc_common+0x138/0x258 [ 228.384989][ T5491] do_el0_svc+0x58/0x14c [ 228.386210][ T5491] el0_svc+0x78/0x1e0 [ 228.387361][ T5491] el0t_64_sync_handler+0xcc/0xe4 [ 228.388884][ T5491] el0t_64_sync+0x1a0/0x1a4 [ 228.392266][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.396186][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.690122][ T5493] loop1: detected capacity change from 0 to 32768 [ 228.741729][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.743987][ T5493] CPU: 0 PID: 5493 Comm: syz.1.275 Not tainted 5.15.186-syzkaller #0 [ 228.746385][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 228.749357][ T5493] Call trace: [ 228.750380][ T5493] dump_backtrace+0x0/0x43c [ 228.751712][ T5493] show_stack+0x2c/0x3c [ 228.752922][ T5493] __dump_stack+0x30/0x40 [ 228.754208][ T5493] dump_stack_lvl+0xf8/0x160 [ 228.755637][ T5493] dump_stack+0x1c/0x5c [ 228.756811][ T5493] sysfs_create_dir_ns+0x22c/0x24c [ 228.758407][ T5493] kobject_add_internal+0x590/0xc54 [ 228.759930][ T5493] kobject_init_and_add+0x118/0x17c [ 228.761479][ T5493] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.762885][ T5493] gfs2_fill_super+0xdac/0x19e0 [ 228.764335][ T5493] get_tree_bdev+0x358/0x544 [ 228.765690][ T5493] gfs2_get_tree+0x54/0x1b4 [ 228.767020][ T5493] vfs_get_tree+0x90/0x274 [ 228.768328][ T5493] do_new_mount+0x228/0x810 [ 228.769640][ T5493] path_mount+0x5b4/0x1000 [ 228.770956][ T5493] __arm64_sys_mount+0x514/0x5e4 [ 228.772456][ T5493] invoke_syscall+0x98/0x2b8 [ 228.773838][ T5493] el0_svc_common+0x138/0x258 [ 228.775265][ T5493] do_el0_svc+0x58/0x14c [ 228.776500][ T5493] el0_svc+0x78/0x1e0 [ 228.777703][ T5493] el0t_64_sync_handler+0xcc/0xe4 [ 228.779114][ T5493] el0t_64_sync+0x1a0/0x1a4 [ 228.781999][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.785836][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.125245][ T5495] loop1: detected capacity change from 0 to 32768 [ 229.203968][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.206108][ T5495] CPU: 1 PID: 5495 Comm: syz.1.276 Not tainted 5.15.186-syzkaller #0 [ 229.208395][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 229.211478][ T5495] Call trace: [ 229.212422][ T5495] dump_backtrace+0x0/0x43c [ 229.213773][ T5495] show_stack+0x2c/0x3c [ 229.215007][ T5495] __dump_stack+0x30/0x40 [ 229.216244][ T5495] dump_stack_lvl+0xf8/0x160 [ 229.217627][ T5495] dump_stack+0x1c/0x5c [ 229.218856][ T5495] sysfs_create_dir_ns+0x22c/0x24c [ 229.220339][ T5495] kobject_add_internal+0x590/0xc54 [ 229.221930][ T5495] kobject_init_and_add+0x118/0x17c [ 229.223434][ T5495] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.224817][ T5495] gfs2_fill_super+0xdac/0x19e0 [ 229.226251][ T5495] get_tree_bdev+0x358/0x544 [ 229.227686][ T5495] gfs2_get_tree+0x54/0x1b4 [ 229.228997][ T5495] vfs_get_tree+0x90/0x274 [ 229.230385][ T5495] do_new_mount+0x228/0x810 [ 229.231705][ T5495] path_mount+0x5b4/0x1000 [ 229.233005][ T5495] __arm64_sys_mount+0x514/0x5e4 [ 229.234496][ T5495] invoke_syscall+0x98/0x2b8 [ 229.235864][ T5495] el0_svc_common+0x138/0x258 [ 229.237204][ T5495] do_el0_svc+0x58/0x14c [ 229.238555][ T5495] el0_svc+0x78/0x1e0 [ 229.239784][ T5495] el0t_64_sync_handler+0xcc/0xe4 [ 229.241348][ T5495] el0t_64_sync+0x1a0/0x1a4 [ 229.245442][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.249205][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.550161][ T5497] loop1: detected capacity change from 0 to 32768 [ 229.558930][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.564905][ T5497] CPU: 1 PID: 5497 Comm: syz.1.277 Not tainted 5.15.186-syzkaller #0 [ 229.567358][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 229.570289][ T5497] Call trace: [ 229.571229][ T5497] dump_backtrace+0x0/0x43c [ 229.572531][ T5497] show_stack+0x2c/0x3c [ 229.573735][ T5497] __dump_stack+0x30/0x40 [ 229.574956][ T5497] dump_stack_lvl+0xf8/0x160 [ 229.576313][ T5497] dump_stack+0x1c/0x5c [ 229.577570][ T5497] sysfs_create_dir_ns+0x22c/0x24c [ 229.579176][ T5497] kobject_add_internal+0x590/0xc54 [ 229.580669][ T5497] kobject_init_and_add+0x118/0x17c [ 229.582299][ T5497] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.583665][ T5497] gfs2_fill_super+0xdac/0x19e0 [ 229.585064][ T5497] get_tree_bdev+0x358/0x544 [ 229.586388][ T5497] gfs2_get_tree+0x54/0x1b4 [ 229.587756][ T5497] vfs_get_tree+0x90/0x274 [ 229.589058][ T5497] do_new_mount+0x228/0x810 [ 229.590358][ T5497] path_mount+0x5b4/0x1000 [ 229.591708][ T5497] __arm64_sys_mount+0x514/0x5e4 [ 229.593127][ T5497] invoke_syscall+0x98/0x2b8 [ 229.594491][ T5497] el0_svc_common+0x138/0x258 [ 229.595869][ T5497] do_el0_svc+0x58/0x14c [ 229.597125][ T5497] el0_svc+0x78/0x1e0 [ 229.598313][ T5497] el0t_64_sync_handler+0xcc/0xe4 [ 229.600021][ T5497] el0t_64_sync+0x1a0/0x1a4 [ 229.604206][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.607819][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.948324][ T5499] loop1: detected capacity change from 0 to 32768 [ 229.961473][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.963462][ T5499] CPU: 1 PID: 5499 Comm: syz.1.278 Not tainted 5.15.186-syzkaller #0 [ 229.965584][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 229.968375][ T5499] Call trace: [ 229.969262][ T5499] dump_backtrace+0x0/0x43c [ 229.970529][ T5499] show_stack+0x2c/0x3c [ 229.971723][ T5499] __dump_stack+0x30/0x40 [ 229.972937][ T5499] dump_stack_lvl+0xf8/0x160 [ 229.974232][ T5499] dump_stack+0x1c/0x5c [ 229.975398][ T5499] sysfs_create_dir_ns+0x22c/0x24c [ 229.976888][ T5499] kobject_add_internal+0x590/0xc54 [ 229.978446][ T5499] kobject_init_and_add+0x118/0x17c [ 229.979864][ T5499] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.981200][ T5499] gfs2_fill_super+0xdac/0x19e0 [ 229.982627][ T5499] get_tree_bdev+0x358/0x544 [ 229.983945][ T5499] gfs2_get_tree+0x54/0x1b4 [ 229.985202][ T5499] vfs_get_tree+0x90/0x274 [ 229.986480][ T5499] do_new_mount+0x228/0x810 [ 229.987741][ T5499] path_mount+0x5b4/0x1000 [ 229.989013][ T5499] __arm64_sys_mount+0x514/0x5e4 [ 229.990426][ T5499] invoke_syscall+0x98/0x2b8 [ 229.991732][ T5499] el0_svc_common+0x138/0x258 [ 229.993035][ T5499] do_el0_svc+0x58/0x14c [ 229.994196][ T5499] el0_svc+0x78/0x1e0 [ 229.995409][ T5499] el0t_64_sync_handler+0xcc/0xe4 [ 229.996828][ T5499] el0t_64_sync+0x1a0/0x1a4 [ 230.000454][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.004209][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.289051][ T5501] loop1: detected capacity change from 0 to 32768 [ 230.344619][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.346986][ T5501] CPU: 0 PID: 5501 Comm: syz.1.279 Not tainted 5.15.186-syzkaller #0 [ 230.349421][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 230.352417][ T5501] Call trace: [ 230.353364][ T5501] dump_backtrace+0x0/0x43c [ 230.354758][ T5501] show_stack+0x2c/0x3c [ 230.356007][ T5501] __dump_stack+0x30/0x40 [ 230.357220][ T5501] dump_stack_lvl+0xf8/0x160 [ 230.358649][ T5501] dump_stack+0x1c/0x5c [ 230.359933][ T5501] sysfs_create_dir_ns+0x22c/0x24c [ 230.361459][ T5501] kobject_add_internal+0x590/0xc54 [ 230.362979][ T5501] kobject_init_and_add+0x118/0x17c [ 230.364536][ T5501] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.365864][ T5501] gfs2_fill_super+0xdac/0x19e0 [ 230.367210][ T5501] get_tree_bdev+0x358/0x544 [ 230.368537][ T5501] gfs2_get_tree+0x54/0x1b4 [ 230.369944][ T5501] vfs_get_tree+0x90/0x274 [ 230.371292][ T5501] do_new_mount+0x228/0x810 [ 230.372640][ T5501] path_mount+0x5b4/0x1000 [ 230.373883][ T5501] __arm64_sys_mount+0x514/0x5e4 [ 230.375307][ T5501] invoke_syscall+0x98/0x2b8 [ 230.376644][ T5501] el0_svc_common+0x138/0x258 [ 230.378019][ T5501] do_el0_svc+0x58/0x14c [ 230.379213][ T5501] el0_svc+0x78/0x1e0 [ 230.380352][ T5501] el0t_64_sync_handler+0xcc/0xe4 [ 230.381810][ T5501] el0t_64_sync+0x1a0/0x1a4 [ 230.388779][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.395465][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.708991][ T5503] loop1: detected capacity change from 0 to 32768 [ 230.751359][ T5503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.753404][ T5503] CPU: 1 PID: 5503 Comm: syz.1.280 Not tainted 5.15.186-syzkaller #0 [ 230.755558][ T5503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 230.758331][ T5503] Call trace: [ 230.759232][ T5503] dump_backtrace+0x0/0x43c [ 230.760421][ T5503] show_stack+0x2c/0x3c [ 230.761534][ T5503] __dump_stack+0x30/0x40 [ 230.762672][ T5503] dump_stack_lvl+0xf8/0x160 [ 230.764031][ T5503] dump_stack+0x1c/0x5c [ 230.765207][ T5503] sysfs_create_dir_ns+0x22c/0x24c [ 230.766779][ T5503] kobject_add_internal+0x590/0xc54 [ 230.768216][ T5503] kobject_init_and_add+0x118/0x17c [ 230.769717][ T5503] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.771230][ T5503] gfs2_fill_super+0xdac/0x19e0 [ 230.772761][ T5503] get_tree_bdev+0x358/0x544 [ 230.774160][ T5503] gfs2_get_tree+0x54/0x1b4 [ 230.775440][ T5503] vfs_get_tree+0x90/0x274 [ 230.776692][ T5503] do_new_mount+0x228/0x810 [ 230.777945][ T5503] path_mount+0x5b4/0x1000 [ 230.779228][ T5503] __arm64_sys_mount+0x514/0x5e4 [ 230.780730][ T5503] invoke_syscall+0x98/0x2b8 [ 230.782050][ T5503] el0_svc_common+0x138/0x258 [ 230.783546][ T5503] do_el0_svc+0x58/0x14c [ 230.784713][ T5503] el0_svc+0x78/0x1e0 [ 230.785830][ T5503] el0t_64_sync_handler+0xcc/0xe4 [ 230.787318][ T5503] el0t_64_sync+0x1a0/0x1a4 [ 230.798714][ T5503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.802728][ T5503] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.140447][ T5505] loop1: detected capacity change from 0 to 32768 [ 231.201381][ T5505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.203615][ T5505] CPU: 1 PID: 5505 Comm: syz.1.281 Not tainted 5.15.186-syzkaller #0 [ 231.205907][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 231.208579][ T5505] Call trace: [ 231.209427][ T5505] dump_backtrace+0x0/0x43c [ 231.210643][ T5505] show_stack+0x2c/0x3c [ 231.211799][ T5505] __dump_stack+0x30/0x40 [ 231.213041][ T5505] dump_stack_lvl+0xf8/0x160 [ 231.214319][ T5505] dump_stack+0x1c/0x5c [ 231.215508][ T5505] sysfs_create_dir_ns+0x22c/0x24c [ 231.216939][ T5505] kobject_add_internal+0x590/0xc54 [ 231.218348][ T5505] kobject_init_and_add+0x118/0x17c [ 231.219928][ T5505] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.221280][ T5505] gfs2_fill_super+0xdac/0x19e0 [ 231.222645][ T5505] get_tree_bdev+0x358/0x544 [ 231.223920][ T5505] gfs2_get_tree+0x54/0x1b4 [ 231.225187][ T5505] vfs_get_tree+0x90/0x274 [ 231.226406][ T5505] do_new_mount+0x228/0x810 [ 231.227715][ T5505] path_mount+0x5b4/0x1000 [ 231.228946][ T5505] __arm64_sys_mount+0x514/0x5e4 [ 231.230354][ T5505] invoke_syscall+0x98/0x2b8 [ 231.231649][ T5505] el0_svc_common+0x138/0x258 [ 231.232910][ T5505] do_el0_svc+0x58/0x14c [ 231.234105][ T5505] el0_svc+0x78/0x1e0 [ 231.235193][ T5505] el0t_64_sync_handler+0xcc/0xe4 [ 231.236617][ T5505] el0t_64_sync+0x1a0/0x1a4 [ 231.240948][ T5505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.244655][ T5505] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:51 executed programs: 269 [ 231.678526][ T5507] loop1: detected capacity change from 0 to 32768 [ 231.729600][ T5507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.731844][ T5507] CPU: 0 PID: 5507 Comm: syz.1.282 Not tainted 5.15.186-syzkaller #0 [ 231.734137][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 231.736874][ T5507] Call trace: [ 231.737849][ T5507] dump_backtrace+0x0/0x43c [ 231.739210][ T5507] show_stack+0x2c/0x3c [ 231.740383][ T5507] __dump_stack+0x30/0x40 [ 231.741646][ T5507] dump_stack_lvl+0xf8/0x160 [ 231.742987][ T5507] dump_stack+0x1c/0x5c [ 231.744129][ T5507] sysfs_create_dir_ns+0x22c/0x24c [ 231.745575][ T5507] kobject_add_internal+0x590/0xc54 [ 231.747063][ T5507] kobject_init_and_add+0x118/0x17c [ 231.748604][ T5507] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.749960][ T5507] gfs2_fill_super+0xdac/0x19e0 [ 231.751339][ T5507] get_tree_bdev+0x358/0x544 [ 231.752697][ T5507] gfs2_get_tree+0x54/0x1b4 [ 231.753963][ T5507] vfs_get_tree+0x90/0x274 [ 231.755175][ T5507] do_new_mount+0x228/0x810 [ 231.756453][ T5507] path_mount+0x5b4/0x1000 [ 231.757756][ T5507] __arm64_sys_mount+0x514/0x5e4 [ 231.759157][ T5507] invoke_syscall+0x98/0x2b8 [ 231.760479][ T5507] el0_svc_common+0x138/0x258 [ 231.761858][ T5507] do_el0_svc+0x58/0x14c [ 231.763041][ T5507] el0_svc+0x78/0x1e0 [ 231.764096][ T5507] el0t_64_sync_handler+0xcc/0xe4 [ 231.765446][ T5507] el0t_64_sync+0x1a0/0x1a4 [ 231.768111][ T5507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.772045][ T5507] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.077047][ T5509] loop1: detected capacity change from 0 to 32768 [ 232.126069][ T5509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.128335][ T5509] CPU: 1 PID: 5509 Comm: syz.1.283 Not tainted 5.15.186-syzkaller #0 [ 232.130805][ T5509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.133750][ T5509] Call trace: [ 232.134763][ T5509] dump_backtrace+0x0/0x43c [ 232.136066][ T5509] show_stack+0x2c/0x3c [ 232.137280][ T5509] __dump_stack+0x30/0x40 [ 232.138475][ T5509] dump_stack_lvl+0xf8/0x160 [ 232.139779][ T5509] dump_stack+0x1c/0x5c [ 232.140979][ T5509] sysfs_create_dir_ns+0x22c/0x24c [ 232.142509][ T5509] kobject_add_internal+0x590/0xc54 [ 232.144071][ T5509] kobject_init_and_add+0x118/0x17c [ 232.145583][ T5509] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.146904][ T5509] gfs2_fill_super+0xdac/0x19e0 [ 232.148238][ T5509] get_tree_bdev+0x358/0x544 [ 232.149556][ T5509] gfs2_get_tree+0x54/0x1b4 [ 232.150842][ T5509] vfs_get_tree+0x90/0x274 [ 232.152110][ T5509] do_new_mount+0x228/0x810 [ 232.153374][ T5509] path_mount+0x5b4/0x1000 [ 232.154688][ T5509] __arm64_sys_mount+0x514/0x5e4 [ 232.156070][ T5509] invoke_syscall+0x98/0x2b8 [ 232.157355][ T5509] el0_svc_common+0x138/0x258 [ 232.158675][ T5509] do_el0_svc+0x58/0x14c [ 232.159864][ T5509] el0_svc+0x78/0x1e0 [ 232.160991][ T5509] el0t_64_sync_handler+0xcc/0xe4 [ 232.162405][ T5509] el0t_64_sync+0x1a0/0x1a4 [ 232.166031][ T5509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.169808][ T5509] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.452919][ T5511] loop1: detected capacity change from 0 to 32768 [ 232.510853][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.513198][ T5511] CPU: 1 PID: 5511 Comm: syz.1.284 Not tainted 5.15.186-syzkaller #0 [ 232.515512][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.518396][ T5511] Call trace: [ 232.519300][ T5511] dump_backtrace+0x0/0x43c [ 232.520523][ T5511] show_stack+0x2c/0x3c [ 232.521699][ T5511] __dump_stack+0x30/0x40 [ 232.522870][ T5511] dump_stack_lvl+0xf8/0x160 [ 232.524110][ T5511] dump_stack+0x1c/0x5c [ 232.525246][ T5511] sysfs_create_dir_ns+0x22c/0x24c [ 232.526637][ T5511] kobject_add_internal+0x590/0xc54 [ 232.528045][ T5511] kobject_init_and_add+0x118/0x17c [ 232.529492][ T5511] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.530841][ T5511] gfs2_fill_super+0xdac/0x19e0 [ 232.532237][ T5511] get_tree_bdev+0x358/0x544 [ 232.533524][ T5511] gfs2_get_tree+0x54/0x1b4 [ 232.534784][ T5511] vfs_get_tree+0x90/0x274 [ 232.536097][ T5511] do_new_mount+0x228/0x810 [ 232.537385][ T5511] path_mount+0x5b4/0x1000 [ 232.538602][ T5511] __arm64_sys_mount+0x514/0x5e4 [ 232.540004][ T5511] invoke_syscall+0x98/0x2b8 [ 232.541351][ T5511] el0_svc_common+0x138/0x258 [ 232.542712][ T5511] do_el0_svc+0x58/0x14c [ 232.543914][ T5511] el0_svc+0x78/0x1e0 [ 232.545042][ T5511] el0t_64_sync_handler+0xcc/0xe4 [ 232.546452][ T5511] el0t_64_sync+0x1a0/0x1a4 [ 232.550882][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.554378][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.842751][ T5513] loop1: detected capacity change from 0 to 32768 [ 232.909129][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.911527][ T5513] CPU: 1 PID: 5513 Comm: syz.1.285 Not tainted 5.15.186-syzkaller #0 [ 232.913759][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.916594][ T5513] Call trace: [ 232.917537][ T5513] dump_backtrace+0x0/0x43c [ 232.918751][ T5513] show_stack+0x2c/0x3c [ 232.919867][ T5513] __dump_stack+0x30/0x40 [ 232.921030][ T5513] dump_stack_lvl+0xf8/0x160 [ 232.922331][ T5513] dump_stack+0x1c/0x5c [ 232.923452][ T5513] sysfs_create_dir_ns+0x22c/0x24c [ 232.924795][ T5513] kobject_add_internal+0x590/0xc54 [ 232.926325][ T5513] kobject_init_and_add+0x118/0x17c [ 232.927843][ T5513] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.929152][ T5513] gfs2_fill_super+0xdac/0x19e0 [ 232.930513][ T5513] get_tree_bdev+0x358/0x544 [ 232.931860][ T5513] gfs2_get_tree+0x54/0x1b4 [ 232.933095][ T5513] vfs_get_tree+0x90/0x274 [ 232.934331][ T5513] do_new_mount+0x228/0x810 [ 232.935587][ T5513] path_mount+0x5b4/0x1000 [ 232.936832][ T5513] __arm64_sys_mount+0x514/0x5e4 [ 232.938241][ T5513] invoke_syscall+0x98/0x2b8 [ 232.939509][ T5513] el0_svc_common+0x138/0x258 [ 232.940906][ T5513] do_el0_svc+0x58/0x14c [ 232.942103][ T5513] el0_svc+0x78/0x1e0 [ 232.943204][ T5513] el0t_64_sync_handler+0xcc/0xe4 [ 232.944592][ T5513] el0t_64_sync+0x1a0/0x1a4 [ 232.948264][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.952235][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.299114][ T5515] loop1: detected capacity change from 0 to 32768 [ 233.358325][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.362609][ T5515] CPU: 1 PID: 5515 Comm: syz.1.286 Not tainted 5.15.186-syzkaller #0 [ 233.364883][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 233.367659][ T5515] Call trace: [ 233.368585][ T5515] dump_backtrace+0x0/0x43c [ 233.369864][ T5515] show_stack+0x2c/0x3c [ 233.371203][ T5515] __dump_stack+0x30/0x40 [ 233.372418][ T5515] dump_stack_lvl+0xf8/0x160 [ 233.373680][ T5515] dump_stack+0x1c/0x5c [ 233.374906][ T5515] sysfs_create_dir_ns+0x22c/0x24c [ 233.376434][ T5515] kobject_add_internal+0x590/0xc54 [ 233.378012][ T5515] kobject_init_and_add+0x118/0x17c [ 233.379496][ T5515] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.380838][ T5515] gfs2_fill_super+0xdac/0x19e0 [ 233.382203][ T5515] get_tree_bdev+0x358/0x544 [ 233.383490][ T5515] gfs2_get_tree+0x54/0x1b4 [ 233.384703][ T5515] vfs_get_tree+0x90/0x274 [ 233.385950][ T5515] do_new_mount+0x228/0x810 [ 233.387215][ T5515] path_mount+0x5b4/0x1000 [ 233.388426][ T5515] __arm64_sys_mount+0x514/0x5e4 [ 233.389787][ T5515] invoke_syscall+0x98/0x2b8 [ 233.391039][ T5515] el0_svc_common+0x138/0x258 [ 233.392333][ T5515] do_el0_svc+0x58/0x14c [ 233.393573][ T5515] el0_svc+0x78/0x1e0 [ 233.394689][ T5515] el0t_64_sync_handler+0xcc/0xe4 [ 233.396114][ T5515] el0t_64_sync+0x1a0/0x1a4 [ 233.401443][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.405289][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.697950][ T5517] loop1: detected capacity change from 0 to 32768 [ 233.752373][ T5517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.754390][ T5517] CPU: 1 PID: 5517 Comm: syz.1.287 Not tainted 5.15.186-syzkaller #0 [ 233.756642][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 233.759489][ T5517] Call trace: [ 233.760383][ T5517] dump_backtrace+0x0/0x43c [ 233.761693][ T5517] show_stack+0x2c/0x3c [ 233.762839][ T5517] __dump_stack+0x30/0x40 [ 233.764082][ T5517] dump_stack_lvl+0xf8/0x160 [ 233.765392][ T5517] dump_stack+0x1c/0x5c [ 233.766597][ T5517] sysfs_create_dir_ns+0x22c/0x24c [ 233.767983][ T5517] kobject_add_internal+0x590/0xc54 [ 233.769444][ T5517] kobject_init_and_add+0x118/0x17c [ 233.770942][ T5517] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.772299][ T5517] gfs2_fill_super+0xdac/0x19e0 [ 233.773677][ T5517] get_tree_bdev+0x358/0x544 [ 233.775058][ T5517] gfs2_get_tree+0x54/0x1b4 [ 233.776326][ T5517] vfs_get_tree+0x90/0x274 [ 233.777589][ T5517] do_new_mount+0x228/0x810 [ 233.778857][ T5517] path_mount+0x5b4/0x1000 [ 233.780110][ T5517] __arm64_sys_mount+0x514/0x5e4 [ 233.781485][ T5517] invoke_syscall+0x98/0x2b8 [ 233.783006][ T5517] el0_svc_common+0x138/0x258 [ 233.784415][ T5517] do_el0_svc+0x58/0x14c [ 233.785603][ T5517] el0_svc+0x78/0x1e0 [ 233.786755][ T5517] el0t_64_sync_handler+0xcc/0xe4 [ 233.788105][ T5517] el0t_64_sync+0x1a0/0x1a4 [ 233.791843][ T5517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.795528][ T5517] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.136508][ T5519] loop1: detected capacity change from 0 to 32768 [ 234.144690][ T5519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.146808][ T5519] CPU: 1 PID: 5519 Comm: syz.1.288 Not tainted 5.15.186-syzkaller #0 [ 234.149155][ T5519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 234.152041][ T5519] Call trace: [ 234.152975][ T5519] dump_backtrace+0x0/0x43c [ 234.154345][ T5519] show_stack+0x2c/0x3c [ 234.155511][ T5519] __dump_stack+0x30/0x40 [ 234.156761][ T5519] dump_stack_lvl+0xf8/0x160 [ 234.158116][ T5519] dump_stack+0x1c/0x5c [ 234.159318][ T5519] sysfs_create_dir_ns+0x22c/0x24c [ 234.160836][ T5519] kobject_add_internal+0x590/0xc54 [ 234.162336][ T5519] kobject_init_and_add+0x118/0x17c [ 234.163855][ T5519] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.165232][ T5519] gfs2_fill_super+0xdac/0x19e0 [ 234.166654][ T5519] get_tree_bdev+0x358/0x544 [ 234.168014][ T5519] gfs2_get_tree+0x54/0x1b4 [ 234.169321][ T5519] vfs_get_tree+0x90/0x274 [ 234.170547][ T5519] do_new_mount+0x228/0x810 [ 234.171810][ T5519] path_mount+0x5b4/0x1000 [ 234.173070][ T5519] __arm64_sys_mount+0x514/0x5e4 [ 234.174480][ T5519] invoke_syscall+0x98/0x2b8 [ 234.175778][ T5519] el0_svc_common+0x138/0x258 [ 234.177086][ T5519] do_el0_svc+0x58/0x14c [ 234.178318][ T5519] el0_svc+0x78/0x1e0 [ 234.179433][ T5519] el0t_64_sync_handler+0xcc/0xe4 [ 234.180906][ T5519] el0t_64_sync+0x1a0/0x1a4 [ 234.184820][ T5519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.188605][ T5519] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.472116][ T5521] loop1: detected capacity change from 0 to 32768 [ 234.515679][ T5521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.518482][ T5521] CPU: 1 PID: 5521 Comm: syz.1.289 Not tainted 5.15.186-syzkaller #0 [ 234.520807][ T5521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 234.523798][ T5521] Call trace: [ 234.524736][ T5521] dump_backtrace+0x0/0x43c [ 234.526083][ T5521] show_stack+0x2c/0x3c [ 234.527658][ T5521] __dump_stack+0x30/0x40 [ 234.528887][ T5521] dump_stack_lvl+0xf8/0x160 [ 234.530419][ T5521] dump_stack+0x1c/0x5c [ 234.531607][ T5521] sysfs_create_dir_ns+0x22c/0x24c [ 234.533088][ T5521] kobject_add_internal+0x590/0xc54 [ 234.534537][ T5521] kobject_init_and_add+0x118/0x17c [ 234.535991][ T5521] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.537337][ T5521] gfs2_fill_super+0xdac/0x19e0 [ 234.538782][ T5521] get_tree_bdev+0x358/0x544 [ 234.540064][ T5521] gfs2_get_tree+0x54/0x1b4 [ 234.541399][ T5521] vfs_get_tree+0x90/0x274 [ 234.542695][ T5521] do_new_mount+0x228/0x810 [ 234.543999][ T5521] path_mount+0x5b4/0x1000 [ 234.545293][ T5521] __arm64_sys_mount+0x514/0x5e4 [ 234.546755][ T5521] invoke_syscall+0x98/0x2b8 [ 234.548115][ T5521] el0_svc_common+0x138/0x258 [ 234.549508][ T5521] do_el0_svc+0x58/0x14c [ 234.550756][ T5521] el0_svc+0x78/0x1e0 [ 234.551892][ T5521] el0t_64_sync_handler+0xcc/0xe4 [ 234.553391][ T5521] el0t_64_sync+0x1a0/0x1a4 [ 234.557565][ T5521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.561425][ T5521] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.916253][ T5523] loop1: detected capacity change from 0 to 32768 [ 234.974872][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.977079][ T5523] CPU: 0 PID: 5523 Comm: syz.1.290 Not tainted 5.15.186-syzkaller #0 [ 234.979301][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 234.982091][ T5523] Call trace: [ 234.983029][ T5523] dump_backtrace+0x0/0x43c [ 234.984249][ T5523] show_stack+0x2c/0x3c [ 234.985375][ T5523] __dump_stack+0x30/0x40 [ 234.986606][ T5523] dump_stack_lvl+0xf8/0x160 [ 234.987933][ T5523] dump_stack+0x1c/0x5c [ 234.989149][ T5523] sysfs_create_dir_ns+0x22c/0x24c [ 234.990634][ T5523] kobject_add_internal+0x590/0xc54 [ 234.992106][ T5523] kobject_init_and_add+0x118/0x17c [ 234.993584][ T5523] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.994900][ T5523] gfs2_fill_super+0xdac/0x19e0 [ 234.996303][ T5523] get_tree_bdev+0x358/0x544 [ 234.997699][ T5523] gfs2_get_tree+0x54/0x1b4 [ 234.999068][ T5523] vfs_get_tree+0x90/0x274 [ 235.000343][ T5523] do_new_mount+0x228/0x810 [ 235.001618][ T5523] path_mount+0x5b4/0x1000 [ 235.002889][ T5523] __arm64_sys_mount+0x514/0x5e4 [ 235.004251][ T5523] invoke_syscall+0x98/0x2b8 [ 235.005586][ T5523] el0_svc_common+0x138/0x258 [ 235.006893][ T5523] do_el0_svc+0x58/0x14c [ 235.008115][ T5523] el0_svc+0x78/0x1e0 [ 235.009307][ T5523] el0t_64_sync_handler+0xcc/0xe4 [ 235.010726][ T5523] el0t_64_sync+0x1a0/0x1a4 [ 235.012603][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.016336][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.304691][ T5525] loop1: detected capacity change from 0 to 32768 [ 235.412172][ T5525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.414279][ T5525] CPU: 1 PID: 5525 Comm: syz.1.291 Not tainted 5.15.186-syzkaller #0 [ 235.416427][ T5525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 235.419244][ T5525] Call trace: [ 235.420230][ T5525] dump_backtrace+0x0/0x43c [ 235.421507][ T5525] show_stack+0x2c/0x3c [ 235.422731][ T5525] __dump_stack+0x30/0x40 [ 235.423991][ T5525] dump_stack_lvl+0xf8/0x160 [ 235.425297][ T5525] dump_stack+0x1c/0x5c [ 235.426476][ T5525] sysfs_create_dir_ns+0x22c/0x24c [ 235.427995][ T5525] kobject_add_internal+0x590/0xc54 [ 235.429509][ T5525] kobject_init_and_add+0x118/0x17c [ 235.430994][ T5525] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.432390][ T5525] gfs2_fill_super+0xdac/0x19e0 [ 235.433742][ T5525] get_tree_bdev+0x358/0x544 [ 235.435087][ T5525] gfs2_get_tree+0x54/0x1b4 [ 235.436447][ T5525] vfs_get_tree+0x90/0x274 [ 235.437705][ T5525] do_new_mount+0x228/0x810 [ 235.438983][ T5525] path_mount+0x5b4/0x1000 [ 235.440287][ T5525] __arm64_sys_mount+0x514/0x5e4 [ 235.441724][ T5525] invoke_syscall+0x98/0x2b8 [ 235.443119][ T5525] el0_svc_common+0x138/0x258 [ 235.444465][ T5525] do_el0_svc+0x58/0x14c [ 235.445680][ T5525] el0_svc+0x78/0x1e0 [ 235.446882][ T5525] el0t_64_sync_handler+0xcc/0xe4 [ 235.448346][ T5525] el0t_64_sync+0x1a0/0x1a4 [ 235.452318][ T5525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.456018][ T5525] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.742668][ T5527] loop1: detected capacity change from 0 to 32768 [ 235.828451][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.830889][ T5527] CPU: 1 PID: 5527 Comm: syz.1.292 Not tainted 5.15.186-syzkaller #0 [ 235.833487][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 235.836234][ T5527] Call trace: [ 235.837229][ T5527] dump_backtrace+0x0/0x43c [ 235.838445][ T5527] show_stack+0x2c/0x3c [ 235.839613][ T5527] __dump_stack+0x30/0x40 [ 235.840869][ T5527] dump_stack_lvl+0xf8/0x160 [ 235.842170][ T5527] dump_stack+0x1c/0x5c [ 235.843384][ T5527] sysfs_create_dir_ns+0x22c/0x24c [ 235.844886][ T5527] kobject_add_internal+0x590/0xc54 [ 235.846376][ T5527] kobject_init_and_add+0x118/0x17c [ 235.847883][ T5527] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.849305][ T5527] gfs2_fill_super+0xdac/0x19e0 [ 235.850786][ T5527] get_tree_bdev+0x358/0x544 [ 235.852076][ T5527] gfs2_get_tree+0x54/0x1b4 [ 235.853470][ T5527] vfs_get_tree+0x90/0x274 [ 235.854788][ T5527] do_new_mount+0x228/0x810 [ 235.856098][ T5527] path_mount+0x5b4/0x1000 [ 235.857413][ T5527] __arm64_sys_mount+0x514/0x5e4 [ 235.858836][ T5527] invoke_syscall+0x98/0x2b8 [ 235.860208][ T5527] el0_svc_common+0x138/0x258 [ 235.861669][ T5527] do_el0_svc+0x58/0x14c [ 235.862865][ T5527] el0_svc+0x78/0x1e0 [ 235.864031][ T5527] el0t_64_sync_handler+0xcc/0xe4 [ 235.865464][ T5527] el0t_64_sync+0x1a0/0x1a4 [ 235.869798][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.873605][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.174606][ T5529] loop1: detected capacity change from 0 to 32768 [ 236.231976][ T5529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.234131][ T5529] CPU: 1 PID: 5529 Comm: syz.1.293 Not tainted 5.15.186-syzkaller #0 [ 236.236303][ T5529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 236.239080][ T5529] Call trace: [ 236.239978][ T5529] dump_backtrace+0x0/0x43c [ 236.241297][ T5529] show_stack+0x2c/0x3c [ 236.242427][ T5529] __dump_stack+0x30/0x40 [ 236.243614][ T5529] dump_stack_lvl+0xf8/0x160 [ 236.244964][ T5529] dump_stack+0x1c/0x5c [ 236.246159][ T5529] sysfs_create_dir_ns+0x22c/0x24c [ 236.247593][ T5529] kobject_add_internal+0x590/0xc54 [ 236.249104][ T5529] kobject_init_and_add+0x118/0x17c [ 236.250573][ T5529] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.251959][ T5529] gfs2_fill_super+0xdac/0x19e0 [ 236.253350][ T5529] get_tree_bdev+0x358/0x544 [ 236.254908][ T5529] gfs2_get_tree+0x54/0x1b4 [ 236.256297][ T5529] vfs_get_tree+0x90/0x274 [ 236.257558][ T5529] do_new_mount+0x228/0x810 [ 236.258870][ T5529] path_mount+0x5b4/0x1000 [ 236.260080][ T5529] __arm64_sys_mount+0x514/0x5e4 [ 236.261482][ T5529] invoke_syscall+0x98/0x2b8 [ 236.262760][ T5529] el0_svc_common+0x138/0x258 [ 236.264062][ T5529] do_el0_svc+0x58/0x14c [ 236.265266][ T5529] el0_svc+0x78/0x1e0 [ 236.266349][ T5529] el0t_64_sync_handler+0xcc/0xe4 [ 236.267711][ T5529] el0t_64_sync+0x1a0/0x1a4 [ 236.272018][ T5529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.275724][ T5529] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.565353][ T5531] loop1: detected capacity change from 0 to 32768 [ 236.617708][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.622223][ T5531] CPU: 0 PID: 5531 Comm: syz.1.294 Not tainted 5.15.186-syzkaller #0 [ 236.624620][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 236.627523][ T5531] Call trace: [ 236.628417][ T5531] dump_backtrace+0x0/0x43c [ 236.629696][ T5531] show_stack+0x2c/0x3c [ 236.630866][ T5531] __dump_stack+0x30/0x40 [ 236.632046][ T5531] dump_stack_lvl+0xf8/0x160 [ 236.633346][ T5531] dump_stack+0x1c/0x5c [ 236.634547][ T5531] sysfs_create_dir_ns+0x22c/0x24c [ 236.636030][ T5531] kobject_add_internal+0x590/0xc54 [ 236.637475][ T5531] kobject_init_and_add+0x118/0x17c [ 236.638962][ T5531] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.640298][ T5531] gfs2_fill_super+0xdac/0x19e0 [ 236.641712][ T5531] get_tree_bdev+0x358/0x544 [ 236.642958][ T5531] gfs2_get_tree+0x54/0x1b4 [ 236.644242][ T5531] vfs_get_tree+0x90/0x274 [ 236.645631][ T5531] do_new_mount+0x228/0x810 [ 236.646915][ T5531] path_mount+0x5b4/0x1000 [ 236.648340][ T5531] __arm64_sys_mount+0x514/0x5e4 [ 236.649811][ T5531] invoke_syscall+0x98/0x2b8 [ 236.651119][ T5531] el0_svc_common+0x138/0x258 [ 236.652414][ T5531] do_el0_svc+0x58/0x14c [ 236.653544][ T5531] el0_svc+0x78/0x1e0 [ 236.654596][ T5531] el0t_64_sync_handler+0xcc/0xe4 [ 236.655962][ T5531] el0t_64_sync+0x1a0/0x1a4 [ 236.659676][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.663419][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:56 executed programs: 282 [ 236.946104][ T5533] loop1: detected capacity change from 0 to 32768 [ 236.988481][ T5533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.990662][ T5533] CPU: 1 PID: 5533 Comm: syz.1.295 Not tainted 5.15.186-syzkaller #0 [ 236.992746][ T5533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 236.995692][ T5533] Call trace: [ 236.996605][ T5533] dump_backtrace+0x0/0x43c [ 236.997851][ T5533] show_stack+0x2c/0x3c [ 236.999094][ T5533] __dump_stack+0x30/0x40 [ 237.000353][ T5533] dump_stack_lvl+0xf8/0x160 [ 237.001658][ T5533] dump_stack+0x1c/0x5c [ 237.002893][ T5533] sysfs_create_dir_ns+0x22c/0x24c [ 237.004313][ T5533] kobject_add_internal+0x590/0xc54 [ 237.005806][ T5533] kobject_init_and_add+0x118/0x17c [ 237.007333][ T5533] gfs2_sys_fs_add+0x1dc/0x3d8 [ 237.008694][ T5533] gfs2_fill_super+0xdac/0x19e0 [ 237.010065][ T5533] get_tree_bdev+0x358/0x544 [ 237.011478][ T5533] gfs2_get_tree+0x54/0x1b4 [ 237.012830][ T5533] vfs_get_tree+0x90/0x274 [ 237.014042][ T5533] do_new_mount+0x228/0x810 [ 237.015263][ T5533] path_mount+0x5b4/0x1000 [ 237.016473][ T5533] __arm64_sys_mount+0x514/0x5e4 [ 237.017876][ T5533] invoke_syscall+0x98/0x2b8 [ 237.019142][ T5533] el0_svc_common+0x138/0x258 [ 237.020600][ T5533] do_el0_svc+0x58/0x14c [ 237.021837][ T5533] el0_svc+0x78/0x1e0 [ 237.023028][ T5533] el0t_64_sync_handler+0xcc/0xe4 [ 237.024562][ T5533] el0t_64_sync+0x1a0/0x1a4 [ 237.028365][ T5533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.032400][ T5533] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 237.326652][ T5535] loop1: detected capacity change from 0 to 32768 [ 237.382757][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 237.384871][ T5535] CPU: 0 PID: 5535 Comm: syz.1.296 Not tainted 5.15.186-syzkaller #0 [ 237.386961][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 237.389611][ T5535] Call trace: [ 237.390571][ T5535] dump_backtrace+0x0/0x43c [ 237.391865][ T5535] show_stack+0x2c/0x3c [ 237.393025][ T5535] __dump_stack+0x30/0x40 [ 237.394228][ T5535] dump_stack_lvl+0xf8/0x160 [ 237.395566][ T5535] dump_stack+0x1c/0x5c [ 237.396785][ T5535] sysfs_create_dir_ns+0x22c/0x24c [ 237.398231][ T5535] kobject_add_internal+0x590/0xc54 [ 237.399665][ T5535] kobject_init_and_add+0x118/0x17c [ 237.401143][ T5535] gfs2_sys_fs_add+0x1dc/0x3d8 [ 237.402549][ T5535] gfs2_fill_super+0xdac/0x19e0 [ 237.403949][ T5535] get_tree_bdev+0x358/0x544 [ 237.405238][ T5535] gfs2_get_tree+0x54/0x1b4 [ 237.406535][ T5535] vfs_get_tree+0x90/0x274 [ 237.407782][ T5535] do_new_mount+0x228/0x810 [ 237.409092][ T5535] path_mount+0x5b4/0x1000 [ 237.410324][ T5535] __arm64_sys_mount+0x514/0x5e4 [ 237.411750][ T5535] invoke_syscall+0x98/0x2b8 [ 237.413035][ T5535] el0_svc_common+0x138/0x258 [ 237.414298][ T5535] do_el0_svc+0x58/0x14c [ 237.415483][ T5535] el0_svc+0x78/0x1e0 [ 237.416633][ T5535] el0t_64_sync_handler+0xcc/0xe4 [ 237.418016][ T5535] el0t_64_sync+0x1a0/0x1a4 [ 237.428723][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.432759][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 237.777218][ T5537] loop1: detected capacity change from 0 to 32768 [ 237.791749][ T5537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 237.793933][ T5537] CPU: 0 PID: 5537 Comm: syz.1.297 Not tainted 5.15.186-syzkaller #0 [ 237.796261][ T5537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 237.799172][ T5537] Call trace: [ 237.800224][ T5537] dump_backtrace+0x0/0x43c [ 237.801512][ T5537] show_stack+0x2c/0x3c [ 237.802715][ T5537] __dump_stack+0x30/0x40 [ 237.803969][ T5537] dump_stack_lvl+0xf8/0x160 [ 237.805345][ T5537] dump_stack+0x1c/0x5c [ 237.806514][ T5537] sysfs_create_dir_ns+0x22c/0x24c [ 237.807827][ T5537] kobject_add_internal+0x590/0xc54 [ 237.809318][ T5537] kobject_init_and_add+0x118/0x17c [ 237.810782][ T5537] gfs2_sys_fs_add+0x1dc/0x3d8 [ 237.812127][ T5537] gfs2_fill_super+0xdac/0x19e0 [ 237.813586][ T5537] get_tree_bdev+0x358/0x544 [ 237.814942][ T5537] gfs2_get_tree+0x54/0x1b4 [ 237.816195][ T5537] vfs_get_tree+0x90/0x274 [ 237.817451][ T5537] do_new_mount+0x228/0x810 [ 237.818735][ T5537] path_mount+0x5b4/0x1000 [ 237.820246][ T5537] __arm64_sys_mount+0x514/0x5e4 [ 237.821867][ T5537] invoke_syscall+0x98/0x2b8 [ 237.823160][ T5537] el0_svc_common+0x138/0x258 [ 237.824454][ T5537] do_el0_svc+0x58/0x14c [ 237.825644][ T5537] el0_svc+0x78/0x1e0 [ 237.826787][ T5537] el0t_64_sync_handler+0xcc/0xe4 [ 237.828258][ T5537] el0t_64_sync+0x1a0/0x1a4 [ 237.830456][ T5537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.834124][ T5537] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.132992][ T5539] loop1: detected capacity change from 0 to 32768 [ 238.189072][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.191474][ T5539] CPU: 1 PID: 5539 Comm: syz.1.298 Not tainted 5.15.186-syzkaller #0 [ 238.193772][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.196690][ T5539] Call trace: [ 238.197620][ T5539] dump_backtrace+0x0/0x43c [ 238.198874][ T5539] show_stack+0x2c/0x3c [ 238.200120][ T5539] __dump_stack+0x30/0x40 [ 238.201647][ T5539] dump_stack_lvl+0xf8/0x160 [ 238.202972][ T5539] dump_stack+0x1c/0x5c [ 238.204122][ T5539] sysfs_create_dir_ns+0x22c/0x24c [ 238.205564][ T5539] kobject_add_internal+0x590/0xc54 [ 238.207089][ T5539] kobject_init_and_add+0x118/0x17c [ 238.208585][ T5539] gfs2_sys_fs_add+0x1dc/0x3d8 [ 238.209967][ T5539] gfs2_fill_super+0xdac/0x19e0 [ 238.211384][ T5539] get_tree_bdev+0x358/0x544 [ 238.212745][ T5539] gfs2_get_tree+0x54/0x1b4 [ 238.214200][ T5539] vfs_get_tree+0x90/0x274 [ 238.215488][ T5539] do_new_mount+0x228/0x810 [ 238.216780][ T5539] path_mount+0x5b4/0x1000 [ 238.218061][ T5539] __arm64_sys_mount+0x514/0x5e4 [ 238.219462][ T5539] invoke_syscall+0x98/0x2b8 [ 238.220768][ T5539] el0_svc_common+0x138/0x258 [ 238.222137][ T5539] do_el0_svc+0x58/0x14c [ 238.223444][ T5539] el0_svc+0x78/0x1e0 [ 238.224602][ T5539] el0t_64_sync_handler+0xcc/0xe4 [ 238.226107][ T5539] el0t_64_sync+0x1a0/0x1a4 [ 238.230430][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.234143][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.525770][ T5541] loop1: detected capacity change from 0 to 32768 [ 238.536233][ T5541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.538972][ T5541] CPU: 1 PID: 5541 Comm: syz.1.299 Not tainted 5.15.186-syzkaller #0 [ 238.541419][ T5541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.544431][ T5541] Call trace: [ 238.545353][ T5541] dump_backtrace+0x0/0x43c [ 238.546660][ T5541] show_stack+0x2c/0x3c [ 238.547892][ T5541] __dump_stack+0x30/0x40 [ 238.549071][ T5541] dump_stack_lvl+0xf8/0x160 [ 238.550495][ T5541] dump_stack+0x1c/0x5c [ 238.551650][ T5541] sysfs_create_dir_ns+0x22c/0x24c [ 238.553143][ T5541] kobject_add_internal+0x590/0xc54 [ 238.554858][ T5541] kobject_init_and_add+0x118/0x17c [ 238.556373][ T5541] gfs2_sys_fs_add+0x1dc/0x3d8 [ 238.557730][ T5541] gfs2_fill_super+0xdac/0x19e0 [ 238.559109][ T5541] get_tree_bdev+0x358/0x544 [ 238.560451][ T5541] gfs2_get_tree+0x54/0x1b4 [ 238.561798][ T5541] vfs_get_tree+0x90/0x274 [ 238.563047][ T5541] do_new_mount+0x228/0x810 [ 238.564317][ T5541] path_mount+0x5b4/0x1000 [ 238.565698][ T5541] __arm64_sys_mount+0x514/0x5e4 [ 238.567094][ T5541] invoke_syscall+0x98/0x2b8 [ 238.568399][ T5541] el0_svc_common+0x138/0x258 [ 238.569742][ T5541] do_el0_svc+0x58/0x14c [ 238.570925][ T5541] el0_svc+0x78/0x1e0 [ 238.572044][ T5541] el0t_64_sync_handler+0xcc/0xe4 [ 238.573520][ T5541] el0t_64_sync+0x1a0/0x1a4 [ 238.577331][ T5541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.583093][ T5541] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.882708][ T5543] loop1: detected capacity change from 0 to 32768 [ 238.929536][ T5543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.931916][ T5543] CPU: 0 PID: 5543 Comm: syz.1.300 Not tainted 5.15.186-syzkaller #0 [ 238.934327][ T5543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.937090][ T5543] Call trace: [ 238.938054][ T5543] dump_backtrace+0x0/0x43c [ 238.939297][ T5543] show_stack+0x2c/0x3c [ 238.940450][ T5543] __dump_stack+0x30/0x40 [ 238.941762][ T5543] dump_stack_lvl+0xf8/0x160 [ 238.943147][ T5543] dump_stack+0x1c/0x5c [ 238.944289][ T5543] sysfs_create_dir_ns+0x22c/0x24c [ 238.945703][ T5543] kobject_add_internal+0x590/0xc54 [ 238.947216][ T5543] kobject_init_and_add+0x118/0x17c [ 238.948741][ T5543] gfs2_sys_fs_add+0x1dc/0x3d8 [ 238.950063][ T5543] gfs2_fill_super+0xdac/0x19e0 [ 238.951472][ T5543] get_tree_bdev+0x358/0x544 [ 238.952827][ T5543] gfs2_get_tree+0x54/0x1b4 [ 238.954051][ T5543] vfs_get_tree+0x90/0x274 [ 238.955401][ T5543] do_new_mount+0x228/0x810 [ 238.956732][ T5543] path_mount+0x5b4/0x1000 [ 238.958053][ T5543] __arm64_sys_mount+0x514/0x5e4 [ 238.959587][ T5543] invoke_syscall+0x98/0x2b8 [ 238.961001][ T5543] el0_svc_common+0x138/0x258 [ 238.962358][ T5543] do_el0_svc+0x58/0x14c [ 238.963584][ T5543] el0_svc+0x78/0x1e0 [ 238.964738][ T5543] el0t_64_sync_handler+0xcc/0xe4 [ 238.966166][ T5543] el0t_64_sync+0x1a0/0x1a4 [ 238.970784][ T5543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.974568][ T5543] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.277368][ T5545] loop1: detected capacity change from 0 to 32768 [ 239.335466][ T5545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 239.337648][ T5545] CPU: 1 PID: 5545 Comm: syz.1.301 Not tainted 5.15.186-syzkaller #0 [ 239.339982][ T5545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 239.342813][ T5545] Call trace: [ 239.343719][ T5545] dump_backtrace+0x0/0x43c [ 239.344968][ T5545] show_stack+0x2c/0x3c [ 239.346155][ T5545] __dump_stack+0x30/0x40 [ 239.347430][ T5545] dump_stack_lvl+0xf8/0x160 [ 239.348662][ T5545] dump_stack+0x1c/0x5c [ 239.349852][ T5545] sysfs_create_dir_ns+0x22c/0x24c [ 239.351288][ T5545] kobject_add_internal+0x590/0xc54 [ 239.352728][ T5545] kobject_init_and_add+0x118/0x17c [ 239.354178][ T5545] gfs2_sys_fs_add+0x1dc/0x3d8 [ 239.355524][ T5545] gfs2_fill_super+0xdac/0x19e0 [ 239.356822][ T5545] get_tree_bdev+0x358/0x544 [ 239.358077][ T5545] gfs2_get_tree+0x54/0x1b4 [ 239.359407][ T5545] vfs_get_tree+0x90/0x274 [ 239.360644][ T5545] do_new_mount+0x228/0x810 [ 239.361899][ T5545] path_mount+0x5b4/0x1000 [ 239.363153][ T5545] __arm64_sys_mount+0x514/0x5e4 [ 239.364553][ T5545] invoke_syscall+0x98/0x2b8 [ 239.365854][ T5545] el0_svc_common+0x138/0x258 [ 239.367165][ T5545] do_el0_svc+0x58/0x14c [ 239.368403][ T5545] el0_svc+0x78/0x1e0 [ 239.369556][ T5545] el0t_64_sync_handler+0xcc/0xe4 [ 239.370964][ T5545] el0t_64_sync+0x1a0/0x1a4 [ 239.374952][ T5545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 239.378679][ T5545] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.727890][ T5547] loop1: detected capacity change from 0 to 32768 [ 239.823382][ T5547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 239.825557][ T5547] CPU: 0 PID: 5547 Comm: syz.1.302 Not tainted 5.15.186-syzkaller #0 [ 239.827884][ T5547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 239.830687][ T5547] Call trace: [ 239.831610][ T5547] dump_backtrace+0x0/0x43c [ 239.832888][ T5547] show_stack+0x2c/0x3c [ 239.834077][ T5547] __dump_stack+0x30/0x40 [ 239.835345][ T5547] dump_stack_lvl+0xf8/0x160 [ 239.836681][ T5547] dump_stack+0x1c/0x5c [ 239.837906][ T5547] sysfs_create_dir_ns+0x22c/0x24c [ 239.839410][ T5547] kobject_add_internal+0x590/0xc54 [ 239.840983][ T5547] kobject_init_and_add+0x118/0x17c [ 239.842456][ T5547] gfs2_sys_fs_add+0x1dc/0x3d8 [ 239.843821][ T5547] gfs2_fill_super+0xdac/0x19e0 [ 239.845261][ T5547] get_tree_bdev+0x358/0x544 [ 239.846613][ T5547] gfs2_get_tree+0x54/0x1b4 [ 239.847929][ T5547] vfs_get_tree+0x90/0x274 [ 239.849280][ T5547] do_new_mount+0x228/0x810 [ 239.850527][ T5547] path_mount+0x5b4/0x1000 [ 239.851804][ T5547] __arm64_sys_mount+0x514/0x5e4 [ 239.853180][ T5547] invoke_syscall+0x98/0x2b8 [ 239.854534][ T5547] el0_svc_common+0x138/0x258 [ 239.855967][ T5547] do_el0_svc+0x58/0x14c [ 239.857405][ T5547] el0_svc+0x78/0x1e0 [ 239.858620][ T5547] el0t_64_sync_handler+0xcc/0xe4 [ 239.860165][ T5547] el0t_64_sync+0x1a0/0x1a4 [ 239.865241][ T5547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 239.869665][ T5547] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 240.170216][ T5549] loop1: detected capacity change from 0 to 32768 [ 240.221032][ T5549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.223355][ T5549] CPU: 0 PID: 5549 Comm: syz.1.303 Not tainted 5.15.186-syzkaller #0 [ 240.225597][ T5549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.228494][ T5549] Call trace: [ 240.229475][ T5549] dump_backtrace+0x0/0x43c [ 240.230777][ T5549] show_stack+0x2c/0x3c [ 240.231919][ T5549] __dump_stack+0x30/0x40 [ 240.233164][ T5549] dump_stack_lvl+0xf8/0x160 [ 240.234422][ T5549] dump_stack+0x1c/0x5c [ 240.235632][ T5549] sysfs_create_dir_ns+0x22c/0x24c [ 240.237097][ T5549] kobject_add_internal+0x590/0xc54 [ 240.238733][ T5549] kobject_init_and_add+0x118/0x17c [ 240.240238][ T5549] gfs2_sys_fs_add+0x1dc/0x3d8 [ 240.241584][ T5549] gfs2_fill_super+0xdac/0x19e0 [ 240.243034][ T5549] get_tree_bdev+0x358/0x544 [ 240.244413][ T5549] gfs2_get_tree+0x54/0x1b4 [ 240.245713][ T5549] vfs_get_tree+0x90/0x274 [ 240.247001][ T5549] do_new_mount+0x228/0x810 [ 240.248385][ T5549] path_mount+0x5b4/0x1000 [ 240.249611][ T5549] __arm64_sys_mount+0x514/0x5e4 [ 240.251089][ T5549] invoke_syscall+0x98/0x2b8 [ 240.252445][ T5549] el0_svc_common+0x138/0x258 [ 240.253750][ T5549] do_el0_svc+0x58/0x14c [ 240.255016][ T5549] el0_svc+0x78/0x1e0 [ 240.256158][ T5549] el0t_64_sync_handler+0xcc/0xe4 [ 240.257479][ T5549] el0t_64_sync+0x1a0/0x1a4 [ 240.263682][ T5549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.267366][ T5549] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 240.565453][ T5551] loop1: detected capacity change from 0 to 32768 [ 240.612256][ T5551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.614348][ T5551] CPU: 0 PID: 5551 Comm: syz.1.304 Not tainted 5.15.186-syzkaller #0 [ 240.616711][ T5551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.619608][ T5551] Call trace: [ 240.620559][ T5551] dump_backtrace+0x0/0x43c [ 240.622004][ T5551] show_stack+0x2c/0x3c [ 240.623249][ T5551] __dump_stack+0x30/0x40 [ 240.624562][ T5551] dump_stack_lvl+0xf8/0x160 [ 240.626001][ T5551] dump_stack+0x1c/0x5c [ 240.627223][ T5551] sysfs_create_dir_ns+0x22c/0x24c [ 240.628709][ T5551] kobject_add_internal+0x590/0xc54 [ 240.630246][ T5551] kobject_init_and_add+0x118/0x17c [ 240.631793][ T5551] gfs2_sys_fs_add+0x1dc/0x3d8 [ 240.633161][ T5551] gfs2_fill_super+0xdac/0x19e0 [ 240.634643][ T5551] get_tree_bdev+0x358/0x544 [ 240.636064][ T5551] gfs2_get_tree+0x54/0x1b4 [ 240.637405][ T5551] vfs_get_tree+0x90/0x274 [ 240.638713][ T5551] do_new_mount+0x228/0x810 [ 240.640002][ T5551] path_mount+0x5b4/0x1000 [ 240.641251][ T5551] __arm64_sys_mount+0x514/0x5e4 [ 240.642674][ T5551] invoke_syscall+0x98/0x2b8 [ 240.644064][ T5551] el0_svc_common+0x138/0x258 [ 240.645399][ T5551] do_el0_svc+0x58/0x14c [ 240.646720][ T5551] el0_svc+0x78/0x1e0 [ 240.647880][ T5551] el0t_64_sync_handler+0xcc/0xe4 [ 240.649354][ T5551] el0t_64_sync+0x1a0/0x1a4 [ 240.655158][ T5551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.659189][ T5551] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.008435][ T5553] loop1: detected capacity change from 0 to 32768 [ 241.019912][ T5553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 241.022001][ T5553] CPU: 0 PID: 5553 Comm: syz.1.305 Not tainted 5.15.186-syzkaller #0 [ 241.024299][ T5553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 241.027113][ T5553] Call trace: [ 241.028000][ T5553] dump_backtrace+0x0/0x43c [ 241.029264][ T5553] show_stack+0x2c/0x3c [ 241.030434][ T5553] __dump_stack+0x30/0x40 [ 241.031597][ T5553] dump_stack_lvl+0xf8/0x160 [ 241.032827][ T5553] dump_stack+0x1c/0x5c [ 241.033916][ T5553] sysfs_create_dir_ns+0x22c/0x24c [ 241.035366][ T5553] kobject_add_internal+0x590/0xc54 [ 241.036778][ T5553] kobject_init_and_add+0x118/0x17c [ 241.038192][ T5553] gfs2_sys_fs_add+0x1dc/0x3d8 [ 241.039501][ T5553] gfs2_fill_super+0xdac/0x19e0 [ 241.040802][ T5553] get_tree_bdev+0x358/0x544 [ 241.042011][ T5553] gfs2_get_tree+0x54/0x1b4 [ 241.043179][ T5553] vfs_get_tree+0x90/0x274 [ 241.044354][ T5553] do_new_mount+0x228/0x810 [ 241.045574][ T5553] path_mount+0x5b4/0x1000 [ 241.046744][ T5553] __arm64_sys_mount+0x514/0x5e4 [ 241.048044][ T5553] invoke_syscall+0x98/0x2b8 [ 241.049301][ T5553] el0_svc_common+0x138/0x258 [ 241.050568][ T5553] do_el0_svc+0x58/0x14c [ 241.051706][ T5553] el0_svc+0x78/0x1e0 [ 241.052821][ T5553] el0t_64_sync_handler+0xcc/0xe4 [ 241.054145][ T5553] el0t_64_sync+0x1a0/0x1a4 [ 241.055642][ T5553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 241.059016][ T5553] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.514013][ T5555] loop1: detected capacity change from 0 to 32768 [ 241.603677][ T5555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 241.605884][ T5555] CPU: 0 PID: 5555 Comm: syz.1.306 Not tainted 5.15.186-syzkaller #0 [ 241.608131][ T5555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 241.611061][ T5555] Call trace: [ 241.612008][ T5555] dump_backtrace+0x0/0x43c [ 241.613296][ T5555] show_stack+0x2c/0x3c [ 241.614500][ T5555] __dump_stack+0x30/0x40 [ 241.615721][ T5555] dump_stack_lvl+0xf8/0x160 [ 241.616999][ T5555] dump_stack+0x1c/0x5c [ 241.618156][ T5555] sysfs_create_dir_ns+0x22c/0x24c [ 241.619671][ T5555] kobject_add_internal+0x590/0xc54 [ 241.621199][ T5555] kobject_init_and_add+0x118/0x17c [ 241.622718][ T5555] gfs2_sys_fs_add+0x1dc/0x3d8 [ 241.624072][ T5555] gfs2_fill_super+0xdac/0x19e0 [ 241.625492][ T5555] get_tree_bdev+0x358/0x544 [ 241.626799][ T5555] gfs2_get_tree+0x54/0x1b4 [ 241.628143][ T5555] vfs_get_tree+0x90/0x274 [ 241.629426][ T5555] do_new_mount+0x228/0x810 [ 241.630780][ T5555] path_mount+0x5b4/0x1000 [ 241.632054][ T5555] __arm64_sys_mount+0x514/0x5e4 [ 241.633508][ T5555] invoke_syscall+0x98/0x2b8 [ 241.634793][ T5555] el0_svc_common+0x138/0x258 [ 241.636199][ T5555] do_el0_svc+0x58/0x14c [ 241.637476][ T5555] el0_svc+0x78/0x1e0 [ 241.638600][ T5555] el0t_64_sync_handler+0xcc/0xe4 [ 241.639971][ T5555] el0t_64_sync+0x1a0/0x1a4 [ 241.645776][ T5555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 241.649556][ T5555] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.988703][ T5557] loop1: detected capacity change from 0 to 32768 [ 242.049946][ T5557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.052180][ T5557] CPU: 1 PID: 5557 Comm: syz.1.307 Not tainted 5.15.186-syzkaller #0 [ 242.054466][ T5557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 242.057255][ T5557] Call trace: [ 242.058192][ T5557] dump_backtrace+0x0/0x43c [ 242.059499][ T5557] show_stack+0x2c/0x3c [ 242.060675][ T5557] __dump_stack+0x30/0x40 [ 242.061906][ T5557] dump_stack_lvl+0xf8/0x160 [ 242.063308][ T5557] dump_stack+0x1c/0x5c [ 242.064478][ T5557] sysfs_create_dir_ns+0x22c/0x24c [ 242.065871][ T5557] kobject_add_internal+0x590/0xc54 [ 242.067399][ T5557] kobject_init_and_add+0x118/0x17c [ 242.068965][ T5557] gfs2_sys_fs_add+0x1dc/0x3d8 [ 242.070349][ T5557] gfs2_fill_super+0xdac/0x19e0 [ 242.071723][ T5557] get_tree_bdev+0x358/0x544 [ 242.073058][ T5557] gfs2_get_tree+0x54/0x1b4 [ 242.074371][ T5557] vfs_get_tree+0x90/0x274 [ 242.075631][ T5557] do_new_mount+0x228/0x810 [ 242.076927][ T5557] path_mount+0x5b4/0x1000 [ 242.078193][ T5557] __arm64_sys_mount+0x514/0x5e4 [ 242.079624][ T5557] invoke_syscall+0x98/0x2b8 [ 242.080899][ T5557] el0_svc_common+0x138/0x258 [ 242.082202][ T5557] do_el0_svc+0x58/0x14c [ 242.083337][ T5557] el0_svc+0x78/0x1e0 [ 242.084413][ T5557] el0t_64_sync_handler+0xcc/0xe4 [ 242.085793][ T5557] el0t_64_sync+0x1a0/0x1a4 [ 242.090729][ T5557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.094332][ T5557] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:02 executed programs: 295 [ 242.374997][ T5559] loop1: detected capacity change from 0 to 32768 [ 242.431335][ T5559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.433553][ T5559] CPU: 1 PID: 5559 Comm: syz.1.308 Not tainted 5.15.186-syzkaller #0 [ 242.435769][ T5559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 242.438472][ T5559] Call trace: [ 242.439393][ T5559] dump_backtrace+0x0/0x43c [ 242.440681][ T5559] show_stack+0x2c/0x3c [ 242.441879][ T5559] __dump_stack+0x30/0x40 [ 242.443120][ T5559] dump_stack_lvl+0xf8/0x160 [ 242.444451][ T5559] dump_stack+0x1c/0x5c [ 242.445685][ T5559] sysfs_create_dir_ns+0x22c/0x24c [ 242.447119][ T5559] kobject_add_internal+0x590/0xc54 [ 242.448556][ T5559] kobject_init_and_add+0x118/0x17c [ 242.450039][ T5559] gfs2_sys_fs_add+0x1dc/0x3d8 [ 242.451413][ T5559] gfs2_fill_super+0xdac/0x19e0 [ 242.452784][ T5559] get_tree_bdev+0x358/0x544 [ 242.454060][ T5559] gfs2_get_tree+0x54/0x1b4 [ 242.455351][ T5559] vfs_get_tree+0x90/0x274 [ 242.456625][ T5559] do_new_mount+0x228/0x810 [ 242.457882][ T5559] path_mount+0x5b4/0x1000 [ 242.459117][ T5559] __arm64_sys_mount+0x514/0x5e4 [ 242.460514][ T5559] invoke_syscall+0x98/0x2b8 [ 242.461764][ T5559] el0_svc_common+0x138/0x258 [ 242.463048][ T5559] do_el0_svc+0x58/0x14c [ 242.464300][ T5559] el0_svc+0x78/0x1e0 [ 242.465369][ T5559] el0t_64_sync_handler+0xcc/0xe4 [ 242.466778][ T5559] el0t_64_sync+0x1a0/0x1a4 [ 242.469807][ T5559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.473486][ T5559] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 242.763934][ T5561] loop1: detected capacity change from 0 to 32768 [ 242.805247][ T5561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.807561][ T5561] CPU: 0 PID: 5561 Comm: syz.1.309 Not tainted 5.15.186-syzkaller #0 [ 242.809701][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 242.812654][ T5561] Call trace: [ 242.813591][ T5561] dump_backtrace+0x0/0x43c [ 242.814820][ T5561] show_stack+0x2c/0x3c [ 242.815982][ T5561] __dump_stack+0x30/0x40 [ 242.817220][ T5561] dump_stack_lvl+0xf8/0x160 [ 242.818573][ T5561] dump_stack+0x1c/0x5c [ 242.819730][ T5561] sysfs_create_dir_ns+0x22c/0x24c [ 242.821251][ T5561] kobject_add_internal+0x590/0xc54 [ 242.822831][ T5561] kobject_init_and_add+0x118/0x17c [ 242.824355][ T5561] gfs2_sys_fs_add+0x1dc/0x3d8 [ 242.825708][ T5561] gfs2_fill_super+0xdac/0x19e0 [ 242.827138][ T5561] get_tree_bdev+0x358/0x544 [ 242.828499][ T5561] gfs2_get_tree+0x54/0x1b4 [ 242.829805][ T5561] vfs_get_tree+0x90/0x274 [ 242.831136][ T5561] do_new_mount+0x228/0x810 [ 242.832446][ T5561] path_mount+0x5b4/0x1000 [ 242.833709][ T5561] __arm64_sys_mount+0x514/0x5e4 [ 242.835121][ T5561] invoke_syscall+0x98/0x2b8 [ 242.836459][ T5561] el0_svc_common+0x138/0x258 [ 242.837776][ T5561] do_el0_svc+0x58/0x14c [ 242.838982][ T5561] el0_svc+0x78/0x1e0 [ 242.840177][ T5561] el0t_64_sync_handler+0xcc/0xe4 [ 242.841687][ T5561] el0t_64_sync+0x1a0/0x1a4 [ 242.849070][ T5561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.853509][ T5561] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.143897][ T5563] loop1: detected capacity change from 0 to 32768 [ 243.199124][ T5563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 243.201388][ T5563] CPU: 1 PID: 5563 Comm: syz.1.310 Not tainted 5.15.186-syzkaller #0 [ 243.203668][ T5563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 243.206492][ T5563] Call trace: [ 243.207390][ T5563] dump_backtrace+0x0/0x43c [ 243.208629][ T5563] show_stack+0x2c/0x3c [ 243.209814][ T5563] __dump_stack+0x30/0x40 [ 243.210991][ T5563] dump_stack_lvl+0xf8/0x160 [ 243.212301][ T5563] dump_stack+0x1c/0x5c [ 243.213535][ T5563] sysfs_create_dir_ns+0x22c/0x24c [ 243.214986][ T5563] kobject_add_internal+0x590/0xc54 [ 243.216464][ T5563] kobject_init_and_add+0x118/0x17c [ 243.217977][ T5563] gfs2_sys_fs_add+0x1dc/0x3d8 [ 243.219330][ T5563] gfs2_fill_super+0xdac/0x19e0 [ 243.220702][ T5563] get_tree_bdev+0x358/0x544 [ 243.222050][ T5563] gfs2_get_tree+0x54/0x1b4 [ 243.223293][ T5563] vfs_get_tree+0x90/0x274 [ 243.224557][ T5563] do_new_mount+0x228/0x810 [ 243.225840][ T5563] path_mount+0x5b4/0x1000 [ 243.227110][ T5563] __arm64_sys_mount+0x514/0x5e4 [ 243.228516][ T5563] invoke_syscall+0x98/0x2b8 [ 243.229830][ T5563] el0_svc_common+0x138/0x258 [ 243.231179][ T5563] do_el0_svc+0x58/0x14c [ 243.232373][ T5563] el0_svc+0x78/0x1e0 [ 243.233465][ T5563] el0t_64_sync_handler+0xcc/0xe4 [ 243.234854][ T5563] el0t_64_sync+0x1a0/0x1a4 [ 243.238902][ T5563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 243.242784][ T5563] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.549404][ T5565] loop1: detected capacity change from 0 to 32768 [ 243.562898][ T5565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 243.564942][ T5565] CPU: 0 PID: 5565 Comm: syz.1.311 Not tainted 5.15.186-syzkaller #0 [ 243.567194][ T5565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 243.569974][ T5565] Call trace: [ 243.570897][ T5565] dump_backtrace+0x0/0x43c [ 243.572165][ T5565] show_stack+0x2c/0x3c [ 243.573381][ T5565] __dump_stack+0x30/0x40 [ 243.574643][ T5565] dump_stack_lvl+0xf8/0x160 [ 243.575918][ T5565] dump_stack+0x1c/0x5c [ 243.577064][ T5565] sysfs_create_dir_ns+0x22c/0x24c [ 243.578497][ T5565] kobject_add_internal+0x590/0xc54 [ 243.579910][ T5565] kobject_init_and_add+0x118/0x17c [ 243.581332][ T5565] gfs2_sys_fs_add+0x1dc/0x3d8 [ 243.582674][ T5565] gfs2_fill_super+0xdac/0x19e0 [ 243.584069][ T5565] get_tree_bdev+0x358/0x544 [ 243.585374][ T5565] gfs2_get_tree+0x54/0x1b4 [ 243.586643][ T5565] vfs_get_tree+0x90/0x274 [ 243.587877][ T5565] do_new_mount+0x228/0x810 [ 243.589214][ T5565] path_mount+0x5b4/0x1000 [ 243.590489][ T5565] __arm64_sys_mount+0x514/0x5e4 [ 243.591805][ T5565] invoke_syscall+0x98/0x2b8 [ 243.593120][ T5565] el0_svc_common+0x138/0x258 [ 243.594461][ T5565] do_el0_svc+0x58/0x14c [ 243.595700][ T5565] el0_svc+0x78/0x1e0 [ 243.596783][ T5565] el0t_64_sync_handler+0xcc/0xe4 [ 243.598220][ T5565] el0t_64_sync+0x1a0/0x1a4 [ 243.600675][ T5565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 243.604472][ T5565] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.933202][ T5567] loop1: detected capacity change from 0 to 32768 [ 243.992004][ T5567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 243.994083][ T5567] CPU: 0 PID: 5567 Comm: syz.1.312 Not tainted 5.15.186-syzkaller #0 [ 243.996424][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 243.999237][ T5567] Call trace: [ 244.000546][ T5567] dump_backtrace+0x0/0x43c [ 244.001870][ T5567] show_stack+0x2c/0x3c [ 244.003071][ T5567] __dump_stack+0x30/0x40 [ 244.004248][ T5567] dump_stack_lvl+0xf8/0x160 [ 244.005640][ T5567] dump_stack+0x1c/0x5c [ 244.006811][ T5567] sysfs_create_dir_ns+0x22c/0x24c [ 244.008209][ T5567] kobject_add_internal+0x590/0xc54 [ 244.009754][ T5567] kobject_init_and_add+0x118/0x17c [ 244.011191][ T5567] gfs2_sys_fs_add+0x1dc/0x3d8 [ 244.012517][ T5567] gfs2_fill_super+0xdac/0x19e0 [ 244.013920][ T5567] get_tree_bdev+0x358/0x544 [ 244.015193][ T5567] gfs2_get_tree+0x54/0x1b4 [ 244.016508][ T5567] vfs_get_tree+0x90/0x274 [ 244.017709][ T5567] do_new_mount+0x228/0x810 [ 244.018949][ T5567] path_mount+0x5b4/0x1000 [ 244.020130][ T5567] __arm64_sys_mount+0x514/0x5e4 [ 244.021559][ T5567] invoke_syscall+0x98/0x2b8 [ 244.022817][ T5567] el0_svc_common+0x138/0x258 [ 244.024088][ T5567] do_el0_svc+0x58/0x14c [ 244.025249][ T5567] el0_svc+0x78/0x1e0 [ 244.026367][ T5567] el0t_64_sync_handler+0xcc/0xe4 [ 244.027848][ T5567] el0t_64_sync+0x1a0/0x1a4 [ 244.038551][ T5567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.042737][ T5567] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 244.324575][ T5569] loop1: detected capacity change from 0 to 32768 [ 244.364777][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 244.367038][ T5569] CPU: 1 PID: 5569 Comm: syz.1.313 Not tainted 5.15.186-syzkaller #0 [ 244.369328][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 244.372117][ T5569] Call trace: [ 244.373033][ T5569] dump_backtrace+0x0/0x43c [ 244.374409][ T5569] show_stack+0x2c/0x3c [ 244.375581][ T5569] __dump_stack+0x30/0x40 [ 244.376757][ T5569] dump_stack_lvl+0xf8/0x160 [ 244.378026][ T5569] dump_stack+0x1c/0x5c [ 244.379245][ T5569] sysfs_create_dir_ns+0x22c/0x24c [ 244.380726][ T5569] kobject_add_internal+0x590/0xc54 [ 244.382226][ T5569] kobject_init_and_add+0x118/0x17c [ 244.383691][ T5569] gfs2_sys_fs_add+0x1dc/0x3d8 [ 244.385060][ T5569] gfs2_fill_super+0xdac/0x19e0 [ 244.386412][ T5569] get_tree_bdev+0x358/0x544 [ 244.387734][ T5569] gfs2_get_tree+0x54/0x1b4 [ 244.389015][ T5569] vfs_get_tree+0x90/0x274 [ 244.390227][ T5569] do_new_mount+0x228/0x810 [ 244.391533][ T5569] path_mount+0x5b4/0x1000 [ 244.392818][ T5569] __arm64_sys_mount+0x514/0x5e4 [ 244.394239][ T5569] invoke_syscall+0x98/0x2b8 [ 244.395564][ T5569] el0_svc_common+0x138/0x258 [ 244.396874][ T5569] do_el0_svc+0x58/0x14c [ 244.398090][ T5569] el0_svc+0x78/0x1e0 [ 244.399268][ T5569] el0t_64_sync_handler+0xcc/0xe4 [ 244.400767][ T5569] el0t_64_sync+0x1a0/0x1a4 [ 244.405756][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.409718][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 244.846000][ T5571] loop1: detected capacity change from 0 to 32768 [ 244.918780][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 244.921173][ T5571] CPU: 0 PID: 5571 Comm: syz.1.314 Not tainted 5.15.186-syzkaller #0 [ 244.923413][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 244.926171][ T5571] Call trace: [ 244.927053][ T5571] dump_backtrace+0x0/0x43c [ 244.928330][ T5571] show_stack+0x2c/0x3c [ 244.929529][ T5571] __dump_stack+0x30/0x40 [ 244.930779][ T5571] dump_stack_lvl+0xf8/0x160 [ 244.932102][ T5571] dump_stack+0x1c/0x5c [ 244.933306][ T5571] sysfs_create_dir_ns+0x22c/0x24c [ 244.934758][ T5571] kobject_add_internal+0x590/0xc54 [ 244.936321][ T5571] kobject_init_and_add+0x118/0x17c [ 244.937773][ T5571] gfs2_sys_fs_add+0x1dc/0x3d8 [ 244.939174][ T5571] gfs2_fill_super+0xdac/0x19e0 [ 244.940528][ T5571] get_tree_bdev+0x358/0x544 [ 244.941854][ T5571] gfs2_get_tree+0x54/0x1b4 [ 244.943080][ T5571] vfs_get_tree+0x90/0x274 [ 244.944426][ T5571] do_new_mount+0x228/0x810 [ 244.945709][ T5571] path_mount+0x5b4/0x1000 [ 244.946931][ T5571] __arm64_sys_mount+0x514/0x5e4 [ 244.948304][ T5571] invoke_syscall+0x98/0x2b8 [ 244.949570][ T5571] el0_svc_common+0x138/0x258 [ 244.950872][ T5571] do_el0_svc+0x58/0x14c [ 244.952099][ T5571] el0_svc+0x78/0x1e0 [ 244.953235][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 244.954759][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 244.958396][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.962171][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.267235][ T5573] loop1: detected capacity change from 0 to 32768 [ 245.313050][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.315283][ T5573] CPU: 0 PID: 5573 Comm: syz.1.315 Not tainted 5.15.186-syzkaller #0 [ 245.317591][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.320480][ T5573] Call trace: [ 245.321387][ T5573] dump_backtrace+0x0/0x43c [ 245.322638][ T5573] show_stack+0x2c/0x3c [ 245.323834][ T5573] __dump_stack+0x30/0x40 [ 245.325023][ T5573] dump_stack_lvl+0xf8/0x160 [ 245.326264][ T5573] dump_stack+0x1c/0x5c [ 245.327453][ T5573] sysfs_create_dir_ns+0x22c/0x24c [ 245.328925][ T5573] kobject_add_internal+0x590/0xc54 [ 245.330410][ T5573] kobject_init_and_add+0x118/0x17c [ 245.331842][ T5573] gfs2_sys_fs_add+0x1dc/0x3d8 [ 245.333203][ T5573] gfs2_fill_super+0xdac/0x19e0 [ 245.334589][ T5573] get_tree_bdev+0x358/0x544 [ 245.335897][ T5573] gfs2_get_tree+0x54/0x1b4 [ 245.337121][ T5573] vfs_get_tree+0x90/0x274 [ 245.338423][ T5573] do_new_mount+0x228/0x810 [ 245.339716][ T5573] path_mount+0x5b4/0x1000 [ 245.340992][ T5573] __arm64_sys_mount+0x514/0x5e4 [ 245.342329][ T5573] invoke_syscall+0x98/0x2b8 [ 245.343577][ T5573] el0_svc_common+0x138/0x258 [ 245.344827][ T5573] do_el0_svc+0x58/0x14c [ 245.345984][ T5573] el0_svc+0x78/0x1e0 [ 245.347118][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 245.348516][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 245.352477][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.356017][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.647897][ T5575] loop1: detected capacity change from 0 to 32768 [ 245.751691][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.753994][ T5575] CPU: 0 PID: 5575 Comm: syz.1.316 Not tainted 5.15.186-syzkaller #0 [ 245.756212][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.759333][ T5575] Call trace: [ 245.760227][ T5575] dump_backtrace+0x0/0x43c [ 245.761455][ T5575] show_stack+0x2c/0x3c [ 245.762660][ T5575] __dump_stack+0x30/0x40 [ 245.763874][ T5575] dump_stack_lvl+0xf8/0x160 [ 245.765152][ T5575] dump_stack+0x1c/0x5c [ 245.766394][ T5575] sysfs_create_dir_ns+0x22c/0x24c [ 245.767816][ T5575] kobject_add_internal+0x590/0xc54 [ 245.769260][ T5575] kobject_init_and_add+0x118/0x17c [ 245.770710][ T5575] gfs2_sys_fs_add+0x1dc/0x3d8 [ 245.772074][ T5575] gfs2_fill_super+0xdac/0x19e0 [ 245.773425][ T5575] get_tree_bdev+0x358/0x544 [ 245.774692][ T5575] gfs2_get_tree+0x54/0x1b4 [ 245.775941][ T5575] vfs_get_tree+0x90/0x274 [ 245.777234][ T5575] do_new_mount+0x228/0x810 [ 245.778468][ T5575] path_mount+0x5b4/0x1000 [ 245.779725][ T5575] __arm64_sys_mount+0x514/0x5e4 [ 245.781083][ T5575] invoke_syscall+0x98/0x2b8 [ 245.782413][ T5575] el0_svc_common+0x138/0x258 [ 245.783719][ T5575] do_el0_svc+0x58/0x14c [ 245.784852][ T5575] el0_svc+0x78/0x1e0 [ 245.785977][ T5575] el0t_64_sync_handler+0xcc/0xe4 [ 245.787315][ T5575] el0t_64_sync+0x1a0/0x1a4 [ 245.790973][ T4185] Bluetooth: hci1: command 0x0406 tx timeout [ 245.794540][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.798297][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.087603][ T5577] loop1: detected capacity change from 0 to 32768 [ 246.146151][ T5577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.148938][ T5577] CPU: 0 PID: 5577 Comm: syz.1.317 Not tainted 5.15.186-syzkaller #0 [ 246.151364][ T5577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 246.154286][ T5577] Call trace: [ 246.155184][ T5577] dump_backtrace+0x0/0x43c [ 246.156454][ T5577] show_stack+0x2c/0x3c [ 246.157616][ T5577] __dump_stack+0x30/0x40 [ 246.158888][ T5577] dump_stack_lvl+0xf8/0x160 [ 246.160221][ T5577] dump_stack+0x1c/0x5c [ 246.161386][ T5577] sysfs_create_dir_ns+0x22c/0x24c [ 246.162812][ T5577] kobject_add_internal+0x590/0xc54 [ 246.164235][ T5577] kobject_init_and_add+0x118/0x17c [ 246.165723][ T5577] gfs2_sys_fs_add+0x1dc/0x3d8 [ 246.167033][ T5577] gfs2_fill_super+0xdac/0x19e0 [ 246.168399][ T5577] get_tree_bdev+0x358/0x544 [ 246.169715][ T5577] gfs2_get_tree+0x54/0x1b4 [ 246.171145][ T5577] vfs_get_tree+0x90/0x274 [ 246.172438][ T5577] do_new_mount+0x228/0x810 [ 246.173753][ T5577] path_mount+0x5b4/0x1000 [ 246.175029][ T5577] __arm64_sys_mount+0x514/0x5e4 [ 246.176426][ T5577] invoke_syscall+0x98/0x2b8 [ 246.177730][ T5577] el0_svc_common+0x138/0x258 [ 246.179080][ T5577] do_el0_svc+0x58/0x14c [ 246.180277][ T5577] el0_svc+0x78/0x1e0 [ 246.181417][ T5577] el0t_64_sync_handler+0xcc/0xe4 [ 246.182836][ T5577] el0t_64_sync+0x1a0/0x1a4 [ 246.186658][ T5577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.190657][ T5577] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.531862][ T5579] loop1: detected capacity change from 0 to 32768 [ 246.587757][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.590030][ T5579] CPU: 1 PID: 5579 Comm: syz.1.318 Not tainted 5.15.186-syzkaller #0 [ 246.592314][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 246.595069][ T5579] Call trace: [ 246.596007][ T5579] dump_backtrace+0x0/0x43c [ 246.597317][ T5579] show_stack+0x2c/0x3c [ 246.598446][ T5579] __dump_stack+0x30/0x40 [ 246.599683][ T5579] dump_stack_lvl+0xf8/0x160 [ 246.600979][ T5579] dump_stack+0x1c/0x5c [ 246.602194][ T5579] sysfs_create_dir_ns+0x22c/0x24c [ 246.603726][ T5579] kobject_add_internal+0x590/0xc54 [ 246.605330][ T5579] kobject_init_and_add+0x118/0x17c [ 246.606856][ T5579] gfs2_sys_fs_add+0x1dc/0x3d8 [ 246.608163][ T5579] gfs2_fill_super+0xdac/0x19e0 [ 246.609572][ T5579] get_tree_bdev+0x358/0x544 [ 246.610873][ T5579] gfs2_get_tree+0x54/0x1b4 [ 246.612183][ T5579] vfs_get_tree+0x90/0x274 [ 246.613506][ T5579] do_new_mount+0x228/0x810 [ 246.614797][ T5579] path_mount+0x5b4/0x1000 [ 246.616016][ T5579] __arm64_sys_mount+0x514/0x5e4 [ 246.617466][ T5579] invoke_syscall+0x98/0x2b8 [ 246.618773][ T5579] el0_svc_common+0x138/0x258 [ 246.620098][ T5579] do_el0_svc+0x58/0x14c [ 246.621245][ T5579] el0_svc+0x78/0x1e0 [ 246.622399][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 246.623829][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 246.626580][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.630402][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.937895][ T5581] loop1: detected capacity change from 0 to 32768 [ 247.001188][ T5581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.003593][ T5581] CPU: 1 PID: 5581 Comm: syz.1.319 Not tainted 5.15.186-syzkaller #0 [ 247.005884][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.008732][ T5581] Call trace: [ 247.009676][ T5581] dump_backtrace+0x0/0x43c [ 247.011049][ T5581] show_stack+0x2c/0x3c [ 247.012217][ T5581] __dump_stack+0x30/0x40 [ 247.013457][ T5581] dump_stack_lvl+0xf8/0x160 [ 247.014773][ T5581] dump_stack+0x1c/0x5c [ 247.015966][ T5581] sysfs_create_dir_ns+0x22c/0x24c [ 247.017445][ T5581] kobject_add_internal+0x590/0xc54 [ 247.018855][ T5581] kobject_init_and_add+0x118/0x17c [ 247.020364][ T5581] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.021723][ T5581] gfs2_fill_super+0xdac/0x19e0 [ 247.023118][ T5581] get_tree_bdev+0x358/0x544 [ 247.024436][ T5581] gfs2_get_tree+0x54/0x1b4 [ 247.025727][ T5581] vfs_get_tree+0x90/0x274 [ 247.026948][ T5581] do_new_mount+0x228/0x810 [ 247.028172][ T5581] path_mount+0x5b4/0x1000 [ 247.029367][ T5581] __arm64_sys_mount+0x514/0x5e4 [ 247.030711][ T5581] invoke_syscall+0x98/0x2b8 [ 247.031939][ T5581] el0_svc_common+0x138/0x258 [ 247.033197][ T5581] do_el0_svc+0x58/0x14c [ 247.034366][ T5581] el0_svc+0x78/0x1e0 [ 247.035454][ T5581] el0t_64_sync_handler+0xcc/0xe4 [ 247.036834][ T5581] el0t_64_sync+0x1a0/0x1a4 [ 247.039977][ T5581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.043646][ T5581] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 247.344967][ T5583] loop1: detected capacity change from 0 to 32768 [ 247.405261][ T5583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.407508][ T5583] CPU: 0 PID: 5583 Comm: syz.1.320 Not tainted 5.15.186-syzkaller #0 [ 247.409743][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.412589][ T5583] Call trace: [ 247.413556][ T5583] dump_backtrace+0x0/0x43c [ 247.414869][ T5583] show_stack+0x2c/0x3c [ 247.416044][ T5583] __dump_stack+0x30/0x40 [ 247.417245][ T5583] dump_stack_lvl+0xf8/0x160 [ 247.418582][ T5583] dump_stack+0x1c/0x5c [ 247.419690][ T5583] sysfs_create_dir_ns+0x22c/0x24c [ 247.421172][ T5583] kobject_add_internal+0x590/0xc54 [ 247.422715][ T5583] kobject_init_and_add+0x118/0x17c [ 247.424220][ T5583] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.425511][ T5583] gfs2_fill_super+0xdac/0x19e0 [ 247.426925][ T5583] get_tree_bdev+0x358/0x544 [ 247.428189][ T5583] gfs2_get_tree+0x54/0x1b4 [ 247.429463][ T5583] vfs_get_tree+0x90/0x274 [ 247.430732][ T5583] do_new_mount+0x228/0x810 [ 247.432017][ T5583] path_mount+0x5b4/0x1000 [ 247.433263][ T5583] __arm64_sys_mount+0x514/0x5e4 [ 247.434619][ T5583] invoke_syscall+0x98/0x2b8 [ 247.435935][ T5583] el0_svc_common+0x138/0x258 [ 247.437298][ T5583] do_el0_svc+0x58/0x14c [ 247.438502][ T5583] el0_svc+0x78/0x1e0 [ 247.439640][ T5583] el0t_64_sync_handler+0xcc/0xe4 [ 247.441040][ T5583] el0t_64_sync+0x1a0/0x1a4 [ 247.444174][ T5583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.447732][ T5583] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:07 executed programs: 308 [ 247.739984][ T5585] loop1: detected capacity change from 0 to 32768 [ 247.753247][ T5585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.755303][ T5585] CPU: 1 PID: 5585 Comm: syz.1.321 Not tainted 5.15.186-syzkaller #0 [ 247.757568][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.760604][ T5585] Call trace: [ 247.761545][ T5585] dump_backtrace+0x0/0x43c [ 247.762847][ T5585] show_stack+0x2c/0x3c [ 247.764039][ T5585] __dump_stack+0x30/0x40 [ 247.765310][ T5585] dump_stack_lvl+0xf8/0x160 [ 247.766583][ T5585] dump_stack+0x1c/0x5c [ 247.767924][ T5585] sysfs_create_dir_ns+0x22c/0x24c [ 247.769509][ T5585] kobject_add_internal+0x590/0xc54 [ 247.770958][ T5585] kobject_init_and_add+0x118/0x17c [ 247.772504][ T5585] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.773876][ T5585] gfs2_fill_super+0xdac/0x19e0 [ 247.775312][ T5585] get_tree_bdev+0x358/0x544 [ 247.776609][ T5585] gfs2_get_tree+0x54/0x1b4 [ 247.777833][ T5585] vfs_get_tree+0x90/0x274 [ 247.779014][ T5585] do_new_mount+0x228/0x810 [ 247.780268][ T5585] path_mount+0x5b4/0x1000 [ 247.781470][ T5585] __arm64_sys_mount+0x514/0x5e4 [ 247.782840][ T5585] invoke_syscall+0x98/0x2b8 [ 247.784164][ T5585] el0_svc_common+0x138/0x258 [ 247.785462][ T5585] do_el0_svc+0x58/0x14c [ 247.786666][ T5585] el0_svc+0x78/0x1e0 [ 247.787745][ T5585] el0t_64_sync_handler+0xcc/0xe4 [ 247.789107][ T5585] el0t_64_sync+0x1a0/0x1a4 [ 247.792961][ T5585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.796678][ T5585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.088990][ T5587] loop1: detected capacity change from 0 to 32768 [ 248.159487][ T5587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.161671][ T5587] CPU: 1 PID: 5587 Comm: syz.1.322 Not tainted 5.15.186-syzkaller #0 [ 248.163917][ T5587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 248.166838][ T5587] Call trace: [ 248.167787][ T5587] dump_backtrace+0x0/0x43c [ 248.169142][ T5587] show_stack+0x2c/0x3c [ 248.170306][ T5587] __dump_stack+0x30/0x40 [ 248.171579][ T5587] dump_stack_lvl+0xf8/0x160 [ 248.172862][ T5587] dump_stack+0x1c/0x5c [ 248.174033][ T5587] sysfs_create_dir_ns+0x22c/0x24c [ 248.175607][ T5587] kobject_add_internal+0x590/0xc54 [ 248.177067][ T5587] kobject_init_and_add+0x118/0x17c [ 248.178627][ T5587] gfs2_sys_fs_add+0x1dc/0x3d8 [ 248.179984][ T5587] gfs2_fill_super+0xdac/0x19e0 [ 248.181377][ T5587] get_tree_bdev+0x358/0x544 [ 248.182624][ T5587] gfs2_get_tree+0x54/0x1b4 [ 248.183941][ T5587] vfs_get_tree+0x90/0x274 [ 248.185218][ T5587] do_new_mount+0x228/0x810 [ 248.186521][ T5587] path_mount+0x5b4/0x1000 [ 248.187856][ T5587] __arm64_sys_mount+0x514/0x5e4 [ 248.189216][ T5587] invoke_syscall+0x98/0x2b8 [ 248.190525][ T5587] el0_svc_common+0x138/0x258 [ 248.191897][ T5587] do_el0_svc+0x58/0x14c [ 248.193059][ T5587] el0_svc+0x78/0x1e0 [ 248.194247][ T5587] el0t_64_sync_handler+0xcc/0xe4 [ 248.195724][ T5587] el0t_64_sync+0x1a0/0x1a4 [ 248.198065][ T5587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.202017][ T5587] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.543049][ T5589] loop1: detected capacity change from 0 to 32768 [ 248.611332][ T5589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.613484][ T5589] CPU: 1 PID: 5589 Comm: syz.1.323 Not tainted 5.15.186-syzkaller #0 [ 248.615867][ T5589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 248.618869][ T5589] Call trace: [ 248.619825][ T5589] dump_backtrace+0x0/0x43c [ 248.621130][ T5589] show_stack+0x2c/0x3c [ 248.622290][ T5589] __dump_stack+0x30/0x40 [ 248.623532][ T5589] dump_stack_lvl+0xf8/0x160 [ 248.624877][ T5589] dump_stack+0x1c/0x5c [ 248.626044][ T5589] sysfs_create_dir_ns+0x22c/0x24c [ 248.627487][ T5589] kobject_add_internal+0x590/0xc54 [ 248.628985][ T5589] kobject_init_and_add+0x118/0x17c [ 248.630475][ T5589] gfs2_sys_fs_add+0x1dc/0x3d8 [ 248.632019][ T5589] gfs2_fill_super+0xdac/0x19e0 [ 248.633344][ T5589] get_tree_bdev+0x358/0x544 [ 248.634749][ T5589] gfs2_get_tree+0x54/0x1b4 [ 248.636047][ T5589] vfs_get_tree+0x90/0x274 [ 248.637364][ T5589] do_new_mount+0x228/0x810 [ 248.638671][ T5589] path_mount+0x5b4/0x1000 [ 248.639916][ T5589] __arm64_sys_mount+0x514/0x5e4 [ 248.641369][ T5589] invoke_syscall+0x98/0x2b8 [ 248.642653][ T5589] el0_svc_common+0x138/0x258 [ 248.643979][ T5589] do_el0_svc+0x58/0x14c [ 248.645251][ T5589] el0_svc+0x78/0x1e0 [ 248.646386][ T5589] el0t_64_sync_handler+0xcc/0xe4 [ 248.647799][ T5589] el0t_64_sync+0x1a0/0x1a4 [ 248.651613][ T5589] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.655334][ T5589] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.958696][ T5591] loop1: detected capacity change from 0 to 32768 [ 249.003916][ T5591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 249.006190][ T5591] CPU: 0 PID: 5591 Comm: syz.1.324 Not tainted 5.15.186-syzkaller #0 [ 249.008462][ T5591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 249.011346][ T5591] Call trace: [ 249.012379][ T5591] dump_backtrace+0x0/0x43c [ 249.013678][ T5591] show_stack+0x2c/0x3c [ 249.014888][ T5591] __dump_stack+0x30/0x40 [ 249.016174][ T5591] dump_stack_lvl+0xf8/0x160 [ 249.017461][ T5591] dump_stack+0x1c/0x5c [ 249.018643][ T5591] sysfs_create_dir_ns+0x22c/0x24c [ 249.020139][ T5591] kobject_add_internal+0x590/0xc54 [ 249.021667][ T5591] kobject_init_and_add+0x118/0x17c [ 249.023202][ T5591] gfs2_sys_fs_add+0x1dc/0x3d8 [ 249.024577][ T5591] gfs2_fill_super+0xdac/0x19e0 [ 249.026001][ T5591] get_tree_bdev+0x358/0x544 [ 249.027287][ T5591] gfs2_get_tree+0x54/0x1b4 [ 249.028569][ T5591] vfs_get_tree+0x90/0x274 [ 249.029824][ T5591] do_new_mount+0x228/0x810 [ 249.031072][ T5591] path_mount+0x5b4/0x1000 [ 249.032312][ T5591] __arm64_sys_mount+0x514/0x5e4 [ 249.033701][ T5591] invoke_syscall+0x98/0x2b8 [ 249.035134][ T5591] el0_svc_common+0x138/0x258 [ 249.036526][ T5591] do_el0_svc+0x58/0x14c [ 249.037747][ T5591] el0_svc+0x78/0x1e0 [ 249.038851][ T5591] el0t_64_sync_handler+0xcc/0xe4 [ 249.040193][ T5591] el0t_64_sync+0x1a0/0x1a4 [ 249.044177][ T5591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 249.047799][ T5591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 249.349502][ T5593] loop1: detected capacity change from 0 to 32768 [ 249.362775][ T5593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 249.364916][ T5593] CPU: 1 PID: 5593 Comm: syz.1.325 Not tainted 5.15.186-syzkaller #0 [ 249.367183][ T5593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 249.370074][ T5593] Call trace: [ 249.370954][ T5593] dump_backtrace+0x0/0x43c [ 249.372258][ T5593] show_stack+0x2c/0x3c [ 249.373566][ T5593] __dump_stack+0x30/0x40 [ 249.374875][ T5593] dump_stack_lvl+0xf8/0x160 [ 249.376190][ T5593] dump_stack+0x1c/0x5c [ 249.377451][ T5593] sysfs_create_dir_ns+0x22c/0x24c [ 249.378838][ T5593] kobject_add_internal+0x590/0xc54 [ 249.380336][ T5593] kobject_init_and_add+0x118/0x17c [ 249.381804][ T5593] gfs2_sys_fs_add+0x1dc/0x3d8 [ 249.383120][ T5593] gfs2_fill_super+0xdac/0x19e0 [ 249.384468][ T5593] get_tree_bdev+0x358/0x544 [ 249.385857][ T5593] gfs2_get_tree+0x54/0x1b4 [ 249.387141][ T5593] vfs_get_tree+0x90/0x274 [ 249.388372][ T5593] do_new_mount+0x228/0x810 [ 249.389677][ T5593] path_mount+0x5b4/0x1000 [ 249.390941][ T5593] __arm64_sys_mount+0x514/0x5e4 [ 249.392328][ T5593] invoke_syscall+0x98/0x2b8 [ 249.393669][ T5593] el0_svc_common+0x138/0x258 [ 249.394986][ T5593] do_el0_svc+0x58/0x14c [ 249.396260][ T5593] el0_svc+0x78/0x1e0 [ 249.397393][ T5593] el0t_64_sync_handler+0xcc/0xe4 [ 249.398775][ T5593] el0t_64_sync+0x1a0/0x1a4 [ 249.402861][ T5593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 249.406598][ T5593] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 249.718706][ T5595] loop1: detected capacity change from 0 to 32768 [ 249.726927][ T5595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 249.731118][ T5595] CPU: 1 PID: 5595 Comm: syz.1.326 Not tainted 5.15.186-syzkaller #0 [ 249.733478][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 249.736291][ T5595] Call trace: [ 249.737228][ T5595] dump_backtrace+0x0/0x43c [ 249.738487][ T5595] show_stack+0x2c/0x3c [ 249.739675][ T5595] __dump_stack+0x30/0x40 [ 249.740897][ T5595] dump_stack_lvl+0xf8/0x160 [ 249.742231][ T5595] dump_stack+0x1c/0x5c [ 249.743459][ T5595] sysfs_create_dir_ns+0x22c/0x24c [ 249.744891][ T5595] kobject_add_internal+0x590/0xc54 [ 249.746363][ T5595] kobject_init_and_add+0x118/0x17c [ 249.747832][ T5595] gfs2_sys_fs_add+0x1dc/0x3d8 [ 249.749208][ T5595] gfs2_fill_super+0xdac/0x19e0 [ 249.750633][ T5595] get_tree_bdev+0x358/0x544 [ 249.751952][ T5595] gfs2_get_tree+0x54/0x1b4 [ 249.753220][ T5595] vfs_get_tree+0x90/0x274 [ 249.754481][ T5595] do_new_mount+0x228/0x810 [ 249.755815][ T5595] path_mount+0x5b4/0x1000 [ 249.757090][ T5595] __arm64_sys_mount+0x514/0x5e4 [ 249.758485][ T5595] invoke_syscall+0x98/0x2b8 [ 249.759767][ T5595] el0_svc_common+0x138/0x258 [ 249.761022][ T5595] do_el0_svc+0x58/0x14c [ 249.762328][ T5595] el0_svc+0x78/0x1e0 [ 249.763437][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 249.764867][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 249.771388][ T5595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 249.775431][ T5595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 250.079979][ T5597] loop1: detected capacity change from 0 to 32768 [ 250.151698][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 250.153869][ T5597] CPU: 1 PID: 5597 Comm: syz.1.327 Not tainted 5.15.186-syzkaller #0 [ 250.156068][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 250.158944][ T5597] Call trace: [ 250.159864][ T5597] dump_backtrace+0x0/0x43c [ 250.161172][ T5597] show_stack+0x2c/0x3c [ 250.162353][ T5597] __dump_stack+0x30/0x40 [ 250.163625][ T5597] dump_stack_lvl+0xf8/0x160 [ 250.164956][ T5597] dump_stack+0x1c/0x5c [ 250.166168][ T5597] sysfs_create_dir_ns+0x22c/0x24c [ 250.167680][ T5597] kobject_add_internal+0x590/0xc54 [ 250.169154][ T5597] kobject_init_and_add+0x118/0x17c [ 250.170799][ T5597] gfs2_sys_fs_add+0x1dc/0x3d8 [ 250.172204][ T5597] gfs2_fill_super+0xdac/0x19e0 [ 250.173761][ T5597] get_tree_bdev+0x358/0x544 [ 250.175006][ T5597] gfs2_get_tree+0x54/0x1b4 [ 250.176247][ T5597] vfs_get_tree+0x90/0x274 [ 250.177448][ T5597] do_new_mount+0x228/0x810 [ 250.178734][ T5597] path_mount+0x5b4/0x1000 [ 250.179956][ T5597] __arm64_sys_mount+0x514/0x5e4 [ 250.181281][ T5597] invoke_syscall+0x98/0x2b8 [ 250.182512][ T5597] el0_svc_common+0x138/0x258 [ 250.183818][ T5597] do_el0_svc+0x58/0x14c [ 250.185048][ T5597] el0_svc+0x78/0x1e0 [ 250.186186][ T5597] el0t_64_sync_handler+0xcc/0xe4 [ 250.187621][ T5597] el0t_64_sync+0x1a0/0x1a4 [ 250.191603][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 250.196344][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 250.481543][ T5599] loop1: detected capacity change from 0 to 32768 [ 250.530012][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 250.532178][ T5599] CPU: 1 PID: 5599 Comm: syz.1.328 Not tainted 5.15.186-syzkaller #0 [ 250.534612][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 250.537549][ T5599] Call trace: [ 250.538595][ T5599] dump_backtrace+0x0/0x43c [ 250.540021][ T5599] show_stack+0x2c/0x3c [ 250.541259][ T5599] __dump_stack+0x30/0x40 [ 250.542593][ T5599] dump_stack_lvl+0xf8/0x160 [ 250.543927][ T5599] dump_stack+0x1c/0x5c [ 250.545080][ T5599] sysfs_create_dir_ns+0x22c/0x24c [ 250.546549][ T5599] kobject_add_internal+0x590/0xc54 [ 250.548026][ T5599] kobject_init_and_add+0x118/0x17c [ 250.549547][ T5599] gfs2_sys_fs_add+0x1dc/0x3d8 [ 250.550991][ T5599] gfs2_fill_super+0xdac/0x19e0 [ 250.552378][ T5599] get_tree_bdev+0x358/0x544 [ 250.553772][ T5599] gfs2_get_tree+0x54/0x1b4 [ 250.555095][ T5599] vfs_get_tree+0x90/0x274 [ 250.556440][ T5599] do_new_mount+0x228/0x810 [ 250.557766][ T5599] path_mount+0x5b4/0x1000 [ 250.559073][ T5599] __arm64_sys_mount+0x514/0x5e4 [ 250.560539][ T5599] invoke_syscall+0x98/0x2b8 [ 250.561881][ T5599] el0_svc_common+0x138/0x258 [ 250.563195][ T5599] do_el0_svc+0x58/0x14c [ 250.564381][ T5599] el0_svc+0x78/0x1e0 [ 250.565465][ T5599] el0t_64_sync_handler+0xcc/0xe4 [ 250.566888][ T5599] el0t_64_sync+0x1a0/0x1a4 [ 250.569708][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 250.573371][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 250.869606][ T5601] loop1: detected capacity change from 0 to 32768 [ 250.931662][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 250.933830][ T5601] CPU: 1 PID: 5601 Comm: syz.1.329 Not tainted 5.15.186-syzkaller #0 [ 250.936095][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 250.938928][ T5601] Call trace: [ 250.939934][ T5601] dump_backtrace+0x0/0x43c [ 250.941228][ T5601] show_stack+0x2c/0x3c [ 250.942360][ T5601] __dump_stack+0x30/0x40 [ 250.943555][ T5601] dump_stack_lvl+0xf8/0x160 [ 250.944874][ T5601] dump_stack+0x1c/0x5c [ 250.946108][ T5601] sysfs_create_dir_ns+0x22c/0x24c [ 250.947614][ T5601] kobject_add_internal+0x590/0xc54 [ 250.949104][ T5601] kobject_init_and_add+0x118/0x17c [ 250.950598][ T5601] gfs2_sys_fs_add+0x1dc/0x3d8 [ 250.952013][ T5601] gfs2_fill_super+0xdac/0x19e0 [ 250.953439][ T5601] get_tree_bdev+0x358/0x544 [ 250.954685][ T5601] gfs2_get_tree+0x54/0x1b4 [ 250.955979][ T5601] vfs_get_tree+0x90/0x274 [ 250.957226][ T5601] do_new_mount+0x228/0x810 [ 250.958514][ T5601] path_mount+0x5b4/0x1000 [ 250.959785][ T5601] __arm64_sys_mount+0x514/0x5e4 [ 250.961183][ T5601] invoke_syscall+0x98/0x2b8 [ 250.962564][ T5601] el0_svc_common+0x138/0x258 [ 250.963915][ T5601] do_el0_svc+0x58/0x14c [ 250.965084][ T5601] el0_svc+0x78/0x1e0 [ 250.966233][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 250.967636][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 250.978872][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 250.984760][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 251.314323][ T5603] loop1: detected capacity change from 0 to 32768 [ 251.368757][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 251.370986][ T5603] CPU: 0 PID: 5603 Comm: syz.1.330 Not tainted 5.15.186-syzkaller #0 [ 251.373258][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 251.376042][ T5603] Call trace: [ 251.376959][ T5603] dump_backtrace+0x0/0x43c [ 251.378229][ T5603] show_stack+0x2c/0x3c [ 251.379387][ T5603] __dump_stack+0x30/0x40 [ 251.380614][ T5603] dump_stack_lvl+0xf8/0x160 [ 251.381955][ T5603] dump_stack+0x1c/0x5c [ 251.383100][ T5603] sysfs_create_dir_ns+0x22c/0x24c [ 251.384581][ T5603] kobject_add_internal+0x590/0xc54 [ 251.386053][ T5603] kobject_init_and_add+0x118/0x17c [ 251.387527][ T5603] gfs2_sys_fs_add+0x1dc/0x3d8 [ 251.388820][ T5603] gfs2_fill_super+0xdac/0x19e0 [ 251.390179][ T5603] get_tree_bdev+0x358/0x544 [ 251.391528][ T5603] gfs2_get_tree+0x54/0x1b4 [ 251.392892][ T5603] vfs_get_tree+0x90/0x274 [ 251.394124][ T5603] do_new_mount+0x228/0x810 [ 251.395484][ T5603] path_mount+0x5b4/0x1000 [ 251.396793][ T5603] __arm64_sys_mount+0x514/0x5e4 [ 251.398222][ T5603] invoke_syscall+0x98/0x2b8 [ 251.399562][ T5603] el0_svc_common+0x138/0x258 [ 251.400931][ T5603] do_el0_svc+0x58/0x14c [ 251.402157][ T5603] el0_svc+0x78/0x1e0 [ 251.403331][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 251.404762][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 251.409530][ T27] INFO: task syz.0.15:4939 blocked for more than 143 seconds. [ 251.412054][ T27] Not tainted 5.15.186-syzkaller #0 [ 251.412397][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 251.413789][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 251.417608][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 251.427798][ T27] task:syz.0.15 state:D stack: 0 pid: 4939 ppid: 4687 flags:0x00000009 [ 251.439306][ T27] Call trace: [ 251.440333][ T27] __switch_to+0x2f4/0x558 [ 251.441701][ T27] __schedule+0xe00/0x1c0c [ 251.443101][ T27] schedule+0x11c/0x1c8 [ 251.444294][ T27] bit_wait+0x1c/0xac [ 251.445477][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 251.447022][ T27] gfs2_glock_nq+0x8f8/0x141c [ 251.448343][ T27] init_journal+0x11c8/0x1d7c [ 251.459370][ T27] init_inodes+0xe0/0x2d4 [ 251.460751][ T27] gfs2_fill_super+0x121c/0x19e0 [ 251.462157][ T27] get_tree_bdev+0x358/0x544 [ 251.463550][ T27] gfs2_get_tree+0x54/0x1b4 [ 251.464967][ T27] vfs_get_tree+0x90/0x274 [ 251.466206][ T27] do_new_mount+0x228/0x810 [ 251.467490][ T27] path_mount+0x5b4/0x1000 [ 251.468678][ T27] __arm64_sys_mount+0x514/0x5e4 [ 251.478929][ T27] invoke_syscall+0x98/0x2b8 [ 251.480740][ T27] el0_svc_common+0x138/0x258 [ 251.482057][ T27] do_el0_svc+0x58/0x14c [ 251.483232][ T27] el0_svc+0x78/0x1e0 [ 251.484293][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 251.485683][ T27] el0t_64_sync+0x1a0/0x1a4 [ 251.487091][ T27] [ 251.487091][ T27] Showing all locks held in the system: [ 251.489858][ T27] 2 locks held by kworker/u4:0/9: [ 251.491386][ T27] 1 lock held by khungtaskd/27: [ 251.492730][ T27] #0: ffff800014331360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 251.495583][ T27] 2 locks held by getty/3791: [ 251.496936][ T27] #0: ffff0000d38ed098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 251.513293][ T27] #1: ffff80001b7a02e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 251.516401][ T27] 2 locks held by kworker/1:6/4184: [ 251.517827][ T27] #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 251.539408][ T27] #1: ffff80001f917c00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 251.543087][ T27] 1 lock held by syz.0.15/4939: [ 251.544515][ T27] #0: ffff0000d9fd80e0 (&type->s_umount_key#49/1){+.+.}-{3:3}, at: alloc_super+0x1a8/0x824 [ 251.547482][ T27] [ 251.548192][ T27] ============================================= [ 251.548192][ T27] [ 251.550719][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 251.552607][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.186-syzkaller #0 [ 251.554888][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 251.557629][ T27] Call trace: [ 251.558477][ T27] dump_backtrace+0x0/0x43c [ 251.559738][ T27] show_stack+0x2c/0x3c [ 251.560965][ T27] __dump_stack+0x30/0x40 [ 251.562129][ T27] dump_stack_lvl+0xf8/0x160 [ 251.563372][ T27] dump_stack+0x1c/0x5c [ 251.564522][ T27] panic+0x2e4/0x854 [ 251.565598][ T27] hung_task_panic+0x0/0x2c [ 251.566837][ T27] kthread+0x374/0x454 [ 251.568037][ T27] ret_from_fork+0x10/0x20 [ 251.569244][ T27] SMP: stopping secondary CPUs [ 251.570569][ T27] Kernel Offset: disabled [ 251.571743][ T27] CPU features: 0x8,000081c1,21302e40 [ 251.573263][ T27] Memory Limit: none [ 252.322001][ T27] Rebooting in 86400 seconds..