p_backtrace+0x0/0x43c [ 203.345830][ T5379] show_stack+0x2c/0x3c [ 203.347019][ T5379] __dump_stack+0x30/0x40 [ 203.348251][ T5379] dump_stack_lvl+0xf8/0x160 [ 203.349543][ T5379] dump_stack+0x1c/0x5c [ 203.350676][ T5379] sysfs_create_dir_ns+0x22c/0x24c [ 203.352086][ T5379] kobject_add_internal+0x590/0xc54 [ 203.353540][ T5379] kobject_init_and_add+0x118/0x17c [ 203.355065][ T5379] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.356353][ T5379] gfs2_fill_super+0xdac/0x19e0 [ 203.357688][ T5379] get_tree_bdev+0x358/0x544 [ 203.358971][ T5379] gfs2_get_tree+0x54/0x1b4 [ 203.360307][ T5379] vfs_get_tree+0x90/0x274 [ 203.361558][ T5379] do_new_mount+0x228/0x810 [ 203.362822][ T5379] path_mount+0x5b4/0x1000 [ 203.363996][ T5379] __arm64_sys_mount+0x514/0x5e4 [ 203.365328][ T5379] invoke_syscall+0x98/0x2b8 [ 203.366543][ T5379] el0_svc_common+0x138/0x258 [ 203.367772][ T5379] do_el0_svc+0x58/0x14c [ 203.368902][ T5379] el0_svc+0x78/0x1e0 [ 203.369965][ T5379] el0t_64_sync_handler+0xcc/0xe4 [ 203.371312][ T5379] el0t_64_sync+0x1a0/0x1a4 [ 203.374975][ T5379] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.378494][ T5379] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 203.644996][ T5381] loop1: detected capacity change from 0 to 32768 [ 203.713939][ T5381] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 203.716256][ T5381] CPU: 1 PID: 5381 Comm: syz.1.232 Not tainted 5.15.184-syzkaller #0 [ 203.718413][ T5381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 203.721092][ T5381] Call trace: [ 203.721994][ T5381] dump_backtrace+0x0/0x43c [ 203.723284][ T5381] show_stack+0x2c/0x3c [ 203.724477][ T5381] __dump_stack+0x30/0x40 [ 203.725680][ T5381] dump_stack_lvl+0xf8/0x160 [ 203.726925][ T5381] dump_stack+0x1c/0x5c [ 203.728014][ T5381] sysfs_create_dir_ns+0x22c/0x24c [ 203.729390][ T5381] kobject_add_internal+0x590/0xc54 [ 203.730852][ T5381] kobject_init_and_add+0x118/0x17c [ 203.732302][ T5381] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.733601][ T5381] gfs2_fill_super+0xdac/0x19e0 [ 203.734909][ T5381] get_tree_bdev+0x358/0x544 [ 203.736194][ T5381] gfs2_get_tree+0x54/0x1b4 [ 203.737423][ T5381] vfs_get_tree+0x90/0x274 [ 203.738811][ T5381] do_new_mount+0x228/0x810 [ 203.740046][ T5381] path_mount+0x5b4/0x1000 [ 203.741415][ T5381] __arm64_sys_mount+0x514/0x5e4 [ 203.742841][ T5381] invoke_syscall+0x98/0x2b8 [ 203.744131][ T5381] el0_svc_common+0x138/0x258 [ 203.745372][ T5381] do_el0_svc+0x58/0x14c [ 203.746566][ T5381] el0_svc+0x78/0x1e0 [ 203.747693][ T5381] el0t_64_sync_handler+0xcc/0xe4 [ 203.749076][ T5381] el0t_64_sync+0x1a0/0x1a4 [ 203.752525][ T5381] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.756397][ T5381] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.021812][ T5383] loop1: detected capacity change from 0 to 32768 [ 204.038103][ T5383] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.040234][ T5383] CPU: 0 PID: 5383 Comm: syz.1.233 Not tainted 5.15.184-syzkaller #0 [ 204.042446][ T5383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 204.045149][ T5383] Call trace: [ 204.046040][ T5383] dump_backtrace+0x0/0x43c [ 204.047295][ T5383] show_stack+0x2c/0x3c [ 204.048438][ T5383] __dump_stack+0x30/0x40 [ 204.049680][ T5383] dump_stack_lvl+0xf8/0x160 [ 204.050943][ T5383] dump_stack+0x1c/0x5c [ 204.052094][ T5383] sysfs_create_dir_ns+0x22c/0x24c [ 204.053470][ T5383] kobject_add_internal+0x590/0xc54 [ 204.054893][ T5383] kobject_init_and_add+0x118/0x17c [ 204.056275][ T5383] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.057607][ T5383] gfs2_fill_super+0xdac/0x19e0 [ 204.058894][ T5383] get_tree_bdev+0x358/0x544 [ 204.060175][ T5383] gfs2_get_tree+0x54/0x1b4 [ 204.061429][ T5383] vfs_get_tree+0x90/0x274 [ 204.062620][ T5383] do_new_mount+0x228/0x810 [ 204.063877][ T5383] path_mount+0x5b4/0x1000 [ 204.065088][ T5383] __arm64_sys_mount+0x514/0x5e4 [ 204.066477][ T5383] invoke_syscall+0x98/0x2b8 [ 204.067768][ T5383] el0_svc_common+0x138/0x258 [ 204.069160][ T5383] do_el0_svc+0x58/0x14c [ 204.070356][ T5383] el0_svc+0x78/0x1e0 [ 204.071468][ T5383] el0t_64_sync_handler+0xcc/0xe4 [ 204.072908][ T5383] el0t_64_sync+0x1a0/0x1a4 [ 204.075950][ T5383] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.079563][ T5383] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.459815][ T5385] loop1: detected capacity change from 0 to 32768 [ 204.503791][ T5385] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.506083][ T5385] CPU: 0 PID: 5385 Comm: syz.1.234 Not tainted 5.15.184-syzkaller #0 [ 204.508385][ T5385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 204.511205][ T5385] Call trace: [ 204.512091][ T5385] dump_backtrace+0x0/0x43c [ 204.513400][ T5385] show_stack+0x2c/0x3c [ 204.514687][ T5385] __dump_stack+0x30/0x40 [ 204.515842][ T5385] dump_stack_lvl+0xf8/0x160 [ 204.517132][ T5385] dump_stack+0x1c/0x5c [ 204.518302][ T5385] sysfs_create_dir_ns+0x22c/0x24c [ 204.519715][ T5385] kobject_add_internal+0x590/0xc54 [ 204.521189][ T5385] kobject_init_and_add+0x118/0x17c [ 204.522603][ T5385] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.523902][ T5385] gfs2_fill_super+0xdac/0x19e0 [ 204.525225][ T5385] get_tree_bdev+0x358/0x544 [ 204.526521][ T5385] gfs2_get_tree+0x54/0x1b4 [ 204.527762][ T5385] vfs_get_tree+0x90/0x274 [ 204.528953][ T5385] do_new_mount+0x228/0x810 [ 204.530185][ T5385] path_mount+0x5b4/0x1000 [ 204.531378][ T5385] __arm64_sys_mount+0x514/0x5e4 [ 204.532829][ T5385] invoke_syscall+0x98/0x2b8 [ 204.534106][ T5385] el0_svc_common+0x138/0x258 [ 204.535351][ T5385] do_el0_svc+0x58/0x14c [ 204.536526][ T5385] el0_svc+0x78/0x1e0 [ 204.537613][ T5385] el0t_64_sync_handler+0xcc/0xe4 [ 204.539094][ T5385] el0t_64_sync+0x1a0/0x1a4 [ 204.541913][ T5385] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.545648][ T5385] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.820969][ T5387] loop1: detected capacity change from 0 to 32768 [ 204.873667][ T5387] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.876083][ T5387] CPU: 1 PID: 5387 Comm: syz.1.235 Not tainted 5.15.184-syzkaller #0 [ 204.878400][ T5387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 204.881072][ T5387] Call trace: [ 204.881897][ T5387] dump_backtrace+0x0/0x43c [ 204.883056][ T5387] show_stack+0x2c/0x3c [ 204.884122][ T5387] __dump_stack+0x30/0x40 [ 204.885259][ T5387] dump_stack_lvl+0xf8/0x160 [ 204.886459][ T5387] dump_stack+0x1c/0x5c [ 204.887551][ T5387] sysfs_create_dir_ns+0x22c/0x24c [ 204.888891][ T5387] kobject_add_internal+0x590/0xc54 [ 204.890247][ T5387] kobject_init_and_add+0x118/0x17c [ 204.891614][ T5387] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.892890][ T5387] gfs2_fill_super+0xdac/0x19e0 [ 204.894180][ T5387] get_tree_bdev+0x358/0x544 [ 204.895440][ T5387] gfs2_get_tree+0x54/0x1b4 [ 204.896660][ T5387] vfs_get_tree+0x90/0x274 [ 204.897811][ T5387] do_new_mount+0x228/0x810 [ 204.899028][ T5387] path_mount+0x5b4/0x1000 [ 204.900259][ T5387] __arm64_sys_mount+0x514/0x5e4 [ 204.901541][ T5387] invoke_syscall+0x98/0x2b8 [ 204.902731][ T5387] el0_svc_common+0x138/0x258 [ 204.904007][ T5387] do_el0_svc+0x58/0x14c [ 204.905136][ T5387] el0_svc+0x78/0x1e0 [ 204.906253][ T5387] el0t_64_sync_handler+0xcc/0xe4 [ 204.907607][ T5387] el0t_64_sync+0x1a0/0x1a4 [ 204.909069][ T5387] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.912565][ T5387] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:24 executed programs: 222 [ 205.178941][ T5389] loop1: detected capacity change from 0 to 32768 [ 205.226293][ T5389] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.228586][ T5389] CPU: 0 PID: 5389 Comm: syz.1.236 Not tainted 5.15.184-syzkaller #0 [ 205.230813][ T5389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 205.233458][ T5389] Call trace: [ 205.234317][ T5389] dump_backtrace+0x0/0x43c [ 205.235526][ T5389] show_stack+0x2c/0x3c [ 205.236685][ T5389] __dump_stack+0x30/0x40 [ 205.237934][ T5389] dump_stack_lvl+0xf8/0x160 [ 205.239124][ T5389] dump_stack+0x1c/0x5c [ 205.240254][ T5389] sysfs_create_dir_ns+0x22c/0x24c [ 205.241595][ T5389] kobject_add_internal+0x590/0xc54 [ 205.243017][ T5389] kobject_init_and_add+0x118/0x17c [ 205.244431][ T5389] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.245759][ T5389] gfs2_fill_super+0xdac/0x19e0 [ 205.247146][ T5389] get_tree_bdev+0x358/0x544 [ 205.248398][ T5389] gfs2_get_tree+0x54/0x1b4 [ 205.249603][ T5389] vfs_get_tree+0x90/0x274 [ 205.250818][ T5389] do_new_mount+0x228/0x810 [ 205.252054][ T5389] path_mount+0x5b4/0x1000 [ 205.253287][ T5389] __arm64_sys_mount+0x514/0x5e4 [ 205.254635][ T5389] invoke_syscall+0x98/0x2b8 [ 205.255881][ T5389] el0_svc_common+0x138/0x258 [ 205.257113][ T5389] do_el0_svc+0x58/0x14c [ 205.258285][ T5389] el0_svc+0x78/0x1e0 [ 205.259358][ T5389] el0t_64_sync_handler+0xcc/0xe4 [ 205.260754][ T5389] el0t_64_sync+0x1a0/0x1a4 [ 205.264227][ T5389] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.267925][ T5389] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.581777][ T5391] loop1: detected capacity change from 0 to 32768 [ 205.625129][ T5391] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.627510][ T5391] CPU: 1 PID: 5391 Comm: syz.1.237 Not tainted 5.15.184-syzkaller #0 [ 205.629696][ T5391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 205.632549][ T5391] Call trace: [ 205.633413][ T5391] dump_backtrace+0x0/0x43c [ 205.634667][ T5391] show_stack+0x2c/0x3c [ 205.635876][ T5391] __dump_stack+0x30/0x40 [ 205.637085][ T5391] dump_stack_lvl+0xf8/0x160 [ 205.638340][ T5391] dump_stack+0x1c/0x5c [ 205.639448][ T5391] sysfs_create_dir_ns+0x22c/0x24c [ 205.640899][ T5391] kobject_add_internal+0x590/0xc54 [ 205.642376][ T5391] kobject_init_and_add+0x118/0x17c [ 205.643777][ T5391] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.645078][ T5391] gfs2_fill_super+0xdac/0x19e0 [ 205.646421][ T5391] get_tree_bdev+0x358/0x544 [ 205.647645][ T5391] gfs2_get_tree+0x54/0x1b4 [ 205.648907][ T5391] vfs_get_tree+0x90/0x274 [ 205.650090][ T5391] do_new_mount+0x228/0x810 [ 205.651327][ T5391] path_mount+0x5b4/0x1000 [ 205.652527][ T5391] __arm64_sys_mount+0x514/0x5e4 [ 205.653949][ T5391] invoke_syscall+0x98/0x2b8 [ 205.655182][ T5391] el0_svc_common+0x138/0x258 [ 205.656507][ T5391] do_el0_svc+0x58/0x14c [ 205.657663][ T5391] el0_svc+0x78/0x1e0 [ 205.658771][ T5391] el0t_64_sync_handler+0xcc/0xe4 [ 205.660168][ T5391] el0t_64_sync+0x1a0/0x1a4 [ 205.663990][ T5391] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.667838][ T5391] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.077669][ T5393] loop1: detected capacity change from 0 to 32768 [ 206.145884][ T5393] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.148185][ T5393] CPU: 0 PID: 5393 Comm: syz.1.238 Not tainted 5.15.184-syzkaller #0 [ 206.150394][ T5393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 206.153188][ T5393] Call trace: [ 206.154108][ T5393] dump_backtrace+0x0/0x43c [ 206.155292][ T5393] show_stack+0x2c/0x3c [ 206.156460][ T5393] __dump_stack+0x30/0x40 [ 206.157776][ T5393] dump_stack_lvl+0xf8/0x160 [ 206.159012][ T5393] dump_stack+0x1c/0x5c [ 206.160123][ T5393] sysfs_create_dir_ns+0x22c/0x24c [ 206.161608][ T5393] kobject_add_internal+0x590/0xc54 [ 206.163142][ T5393] kobject_init_and_add+0x118/0x17c [ 206.164557][ T5393] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.165914][ T5393] gfs2_fill_super+0xdac/0x19e0 [ 206.167327][ T5393] get_tree_bdev+0x358/0x544 [ 206.168588][ T5393] gfs2_get_tree+0x54/0x1b4 [ 206.169804][ T5393] vfs_get_tree+0x90/0x274 [ 206.170995][ T5393] do_new_mount+0x228/0x810 [ 206.172235][ T5393] path_mount+0x5b4/0x1000 [ 206.173410][ T5393] __arm64_sys_mount+0x514/0x5e4 [ 206.174718][ T5393] invoke_syscall+0x98/0x2b8 [ 206.176021][ T5393] el0_svc_common+0x138/0x258 [ 206.177335][ T5393] do_el0_svc+0x58/0x14c [ 206.178503][ T5393] el0_svc+0x78/0x1e0 [ 206.179657][ T5393] el0t_64_sync_handler+0xcc/0xe4 [ 206.181145][ T5393] el0t_64_sync+0x1a0/0x1a4 [ 206.185088][ T5393] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.188708][ T5393] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.463566][ T5395] loop1: detected capacity change from 0 to 32768 [ 206.535288][ T5395] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.537357][ T5395] CPU: 0 PID: 5395 Comm: syz.1.239 Not tainted 5.15.184-syzkaller #0 [ 206.539567][ T5395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 206.542357][ T5395] Call trace: [ 206.543295][ T5395] dump_backtrace+0x0/0x43c [ 206.544735][ T5395] show_stack+0x2c/0x3c [ 206.545904][ T5395] __dump_stack+0x30/0x40 [ 206.547097][ T5395] dump_stack_lvl+0xf8/0x160 [ 206.548405][ T5395] dump_stack+0x1c/0x5c [ 206.549565][ T5395] sysfs_create_dir_ns+0x22c/0x24c [ 206.551088][ T5395] kobject_add_internal+0x590/0xc54 [ 206.552596][ T5395] kobject_init_and_add+0x118/0x17c [ 206.554060][ T5395] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.555453][ T5395] gfs2_fill_super+0xdac/0x19e0 [ 206.556838][ T5395] get_tree_bdev+0x358/0x544 [ 206.558179][ T5395] gfs2_get_tree+0x54/0x1b4 [ 206.559477][ T5395] vfs_get_tree+0x90/0x274 [ 206.560693][ T5395] do_new_mount+0x228/0x810 [ 206.561913][ T5395] path_mount+0x5b4/0x1000 [ 206.563106][ T5395] __arm64_sys_mount+0x514/0x5e4 [ 206.564429][ T5395] invoke_syscall+0x98/0x2b8 [ 206.565675][ T5395] el0_svc_common+0x138/0x258 [ 206.566954][ T5395] do_el0_svc+0x58/0x14c [ 206.568098][ T5395] el0_svc+0x78/0x1e0 [ 206.569199][ T5395] el0t_64_sync_handler+0xcc/0xe4 [ 206.570546][ T5395] el0t_64_sync+0x1a0/0x1a4 [ 206.575034][ T5395] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.578568][ T5395] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.876047][ T5397] loop1: detected capacity change from 0 to 32768 [ 206.923823][ T5397] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.926067][ T5397] CPU: 0 PID: 5397 Comm: syz.1.240 Not tainted 5.15.184-syzkaller #0 [ 206.928356][ T5397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 206.931132][ T5397] Call trace: [ 206.932030][ T5397] dump_backtrace+0x0/0x43c [ 206.933250][ T5397] show_stack+0x2c/0x3c [ 206.934348][ T5397] __dump_stack+0x30/0x40 [ 206.935513][ T5397] dump_stack_lvl+0xf8/0x160 [ 206.936738][ T5397] dump_stack+0x1c/0x5c [ 206.937864][ T5397] sysfs_create_dir_ns+0x22c/0x24c [ 206.939294][ T5397] kobject_add_internal+0x590/0xc54 [ 206.940707][ T5397] kobject_init_and_add+0x118/0x17c [ 206.942153][ T5397] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.943479][ T5397] gfs2_fill_super+0xdac/0x19e0 [ 206.944785][ T5397] get_tree_bdev+0x358/0x544 [ 206.946035][ T5397] gfs2_get_tree+0x54/0x1b4 [ 206.947302][ T5397] vfs_get_tree+0x90/0x274 [ 206.948530][ T5397] do_new_mount+0x228/0x810 [ 206.949810][ T5397] path_mount+0x5b4/0x1000 [ 206.951009][ T5397] __arm64_sys_mount+0x514/0x5e4 [ 206.952353][ T5397] invoke_syscall+0x98/0x2b8 [ 206.953625][ T5397] el0_svc_common+0x138/0x258 [ 206.954908][ T5397] do_el0_svc+0x58/0x14c [ 206.956072][ T5397] el0_svc+0x78/0x1e0 [ 206.957170][ T5397] el0t_64_sync_handler+0xcc/0xe4 [ 206.958531][ T5397] el0t_64_sync+0x1a0/0x1a4 [ 206.960032][ T5397] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.963623][ T5397] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.226420][ T5400] loop1: detected capacity change from 0 to 32768 [ 207.276884][ T5400] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.279525][ T5400] CPU: 1 PID: 5400 Comm: syz.1.241 Not tainted 5.15.184-syzkaller #0 [ 207.281805][ T5400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 207.284667][ T5400] Call trace: [ 207.285566][ T5400] dump_backtrace+0x0/0x43c [ 207.286834][ T5400] show_stack+0x2c/0x3c [ 207.288007][ T5400] __dump_stack+0x30/0x40 [ 207.289225][ T5400] dump_stack_lvl+0xf8/0x160 [ 207.290556][ T5400] dump_stack+0x1c/0x5c [ 207.291706][ T5400] sysfs_create_dir_ns+0x22c/0x24c [ 207.293142][ T5400] kobject_add_internal+0x590/0xc54 [ 207.294555][ T5400] kobject_init_and_add+0x118/0x17c [ 207.296067][ T5400] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.297404][ T5400] gfs2_fill_super+0xdac/0x19e0 [ 207.298788][ T5400] get_tree_bdev+0x358/0x544 [ 207.300040][ T5400] gfs2_get_tree+0x54/0x1b4 [ 207.301284][ T5400] vfs_get_tree+0x90/0x274 [ 207.302500][ T5400] do_new_mount+0x228/0x810 [ 207.303742][ T5400] path_mount+0x5b4/0x1000 [ 207.305004][ T5400] __arm64_sys_mount+0x514/0x5e4 [ 207.306301][ T5400] invoke_syscall+0x98/0x2b8 [ 207.307508][ T5400] el0_svc_common+0x138/0x258 [ 207.308875][ T5400] do_el0_svc+0x58/0x14c [ 207.310000][ T5400] el0_svc+0x78/0x1e0 [ 207.311134][ T5400] el0t_64_sync_handler+0xcc/0xe4 [ 207.312500][ T5400] el0t_64_sync+0x1a0/0x1a4 [ 207.317258][ T5400] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.320832][ T5400] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.629445][ T5402] loop1: detected capacity change from 0 to 32768 [ 207.674149][ T5402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.676363][ T5402] CPU: 1 PID: 5402 Comm: syz.1.242 Not tainted 5.15.184-syzkaller #0 [ 207.678565][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 207.681281][ T5402] Call trace: [ 207.682234][ T5402] dump_backtrace+0x0/0x43c [ 207.683505][ T5402] show_stack+0x2c/0x3c [ 207.684699][ T5402] __dump_stack+0x30/0x40 [ 207.685912][ T5402] dump_stack_lvl+0xf8/0x160 [ 207.687121][ T5402] dump_stack+0x1c/0x5c [ 207.688273][ T5402] sysfs_create_dir_ns+0x22c/0x24c [ 207.689676][ T5402] kobject_add_internal+0x590/0xc54 [ 207.691120][ T5402] kobject_init_and_add+0x118/0x17c [ 207.692533][ T5402] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.693841][ T5402] gfs2_fill_super+0xdac/0x19e0 [ 207.695237][ T5402] get_tree_bdev+0x358/0x544 [ 207.696506][ T5402] gfs2_get_tree+0x54/0x1b4 [ 207.697732][ T5402] vfs_get_tree+0x90/0x274 [ 207.698985][ T5402] do_new_mount+0x228/0x810 [ 207.700204][ T5402] path_mount+0x5b4/0x1000 [ 207.701414][ T5402] __arm64_sys_mount+0x514/0x5e4 [ 207.702757][ T5402] invoke_syscall+0x98/0x2b8 [ 207.703997][ T5402] el0_svc_common+0x138/0x258 [ 207.705284][ T5402] do_el0_svc+0x58/0x14c [ 207.706537][ T5402] el0_svc+0x78/0x1e0 [ 207.707667][ T5402] el0t_64_sync_handler+0xcc/0xe4 [ 207.709074][ T5402] el0t_64_sync+0x1a0/0x1a4 [ 207.713844][ T5402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.717679][ T5402] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.980344][ T5404] loop1: detected capacity change from 0 to 32768 [ 208.079377][ T5404] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.081512][ T5404] CPU: 1 PID: 5404 Comm: syz.1.243 Not tainted 5.15.184-syzkaller #0 [ 208.083727][ T5404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 208.086556][ T5404] Call trace: [ 208.087494][ T5404] dump_backtrace+0x0/0x43c [ 208.088717][ T5404] show_stack+0x2c/0x3c [ 208.089861][ T5404] __dump_stack+0x30/0x40 [ 208.091081][ T5404] dump_stack_lvl+0xf8/0x160 [ 208.092316][ T5404] dump_stack+0x1c/0x5c [ 208.093493][ T5404] sysfs_create_dir_ns+0x22c/0x24c [ 208.094911][ T5404] kobject_add_internal+0x590/0xc54 [ 208.096379][ T5404] kobject_init_and_add+0x118/0x17c [ 208.097798][ T5404] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.099169][ T5404] gfs2_fill_super+0xdac/0x19e0 [ 208.100485][ T5404] get_tree_bdev+0x358/0x544 [ 208.101752][ T5404] gfs2_get_tree+0x54/0x1b4 [ 208.102973][ T5404] vfs_get_tree+0x90/0x274 [ 208.104170][ T5404] do_new_mount+0x228/0x810 [ 208.105381][ T5404] path_mount+0x5b4/0x1000 [ 208.106594][ T5404] __arm64_sys_mount+0x514/0x5e4 [ 208.107911][ T5404] invoke_syscall+0x98/0x2b8 [ 208.109143][ T5404] el0_svc_common+0x138/0x258 [ 208.110446][ T5404] do_el0_svc+0x58/0x14c [ 208.111650][ T5404] el0_svc+0x78/0x1e0 [ 208.112736][ T5404] el0t_64_sync_handler+0xcc/0xe4 [ 208.114119][ T5404] el0t_64_sync+0x1a0/0x1a4 [ 208.118098][ T5404] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.121841][ T5404] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.404999][ T5406] loop1: detected capacity change from 0 to 32768 [ 208.456896][ T5406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.459122][ T5406] CPU: 1 PID: 5406 Comm: syz.1.244 Not tainted 5.15.184-syzkaller #0 [ 208.461377][ T5406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 208.464066][ T5406] Call trace: [ 208.464988][ T5406] dump_backtrace+0x0/0x43c [ 208.466265][ T5406] show_stack+0x2c/0x3c [ 208.467420][ T5406] __dump_stack+0x30/0x40 [ 208.468612][ T5406] dump_stack_lvl+0xf8/0x160 [ 208.469813][ T5406] dump_stack+0x1c/0x5c [ 208.471049][ T5406] sysfs_create_dir_ns+0x22c/0x24c [ 208.472434][ T5406] kobject_add_internal+0x590/0xc54 [ 208.473925][ T5406] kobject_init_and_add+0x118/0x17c [ 208.475401][ T5406] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.476707][ T5406] gfs2_fill_super+0xdac/0x19e0 [ 208.478033][ T5406] get_tree_bdev+0x358/0x544 [ 208.479314][ T5406] gfs2_get_tree+0x54/0x1b4 [ 208.480585][ T5406] vfs_get_tree+0x90/0x274 [ 208.481897][ T5406] do_new_mount+0x228/0x810 [ 208.483180][ T5406] path_mount+0x5b4/0x1000 [ 208.484396][ T5406] __arm64_sys_mount+0x514/0x5e4 [ 208.485803][ T5406] invoke_syscall+0x98/0x2b8 [ 208.487059][ T5406] el0_svc_common+0x138/0x258 [ 208.488319][ T5406] do_el0_svc+0x58/0x14c [ 208.489502][ T5406] el0_svc+0x78/0x1e0 [ 208.490564][ T5406] el0t_64_sync_handler+0xcc/0xe4 [ 208.491971][ T5406] el0t_64_sync+0x1a0/0x1a4 [ 208.496098][ T5406] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.499685][ T5406] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.763251][ T5409] loop1: detected capacity change from 0 to 32768 [ 208.818700][ T5409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.827120][ T5409] CPU: 1 PID: 5409 Comm: syz.1.245 Not tainted 5.15.184-syzkaller #0 [ 208.829330][ T5409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 208.832137][ T5409] Call trace: [ 208.833028][ T5409] dump_backtrace+0x0/0x43c [ 208.834270][ T5409] show_stack+0x2c/0x3c [ 208.835443][ T5409] __dump_stack+0x30/0x40 [ 208.836592][ T5409] dump_stack_lvl+0xf8/0x160 [ 208.837923][ T5409] dump_stack+0x1c/0x5c [ 208.839053][ T5409] sysfs_create_dir_ns+0x22c/0x24c [ 208.840472][ T5409] kobject_add_internal+0x590/0xc54 [ 208.841950][ T5409] kobject_init_and_add+0x118/0x17c [ 208.843350][ T5409] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.844657][ T5409] gfs2_fill_super+0xdac/0x19e0 [ 208.846121][ T5409] get_tree_bdev+0x358/0x544 [ 208.847378][ T5409] gfs2_get_tree+0x54/0x1b4 [ 208.848558][ T5409] vfs_get_tree+0x90/0x274 [ 208.849787][ T5409] do_new_mount+0x228/0x810 [ 208.850988][ T5409] path_mount+0x5b4/0x1000 [ 208.852255][ T5409] __arm64_sys_mount+0x514/0x5e4 [ 208.853591][ T5409] invoke_syscall+0x98/0x2b8 [ 208.854838][ T5409] el0_svc_common+0x138/0x258 [ 208.856084][ T5409] do_el0_svc+0x58/0x14c [ 208.857233][ T5409] el0_svc+0x78/0x1e0 [ 208.858399][ T5409] el0t_64_sync_handler+0xcc/0xe4 [ 208.859782][ T5409] el0t_64_sync+0x1a0/0x1a4 [ 208.877140][ T5409] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.880827][ T5409] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.148546][ T5411] loop1: detected capacity change from 0 to 32768 [ 209.224488][ T5411] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.226676][ T5411] CPU: 1 PID: 5411 Comm: syz.1.246 Not tainted 5.15.184-syzkaller #0 [ 209.228958][ T5411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 209.231799][ T5411] Call trace: [ 209.232698][ T5411] dump_backtrace+0x0/0x43c [ 209.233920][ T5411] show_stack+0x2c/0x3c [ 209.235118][ T5411] __dump_stack+0x30/0x40 [ 209.236334][ T5411] dump_stack_lvl+0xf8/0x160 [ 209.237597][ T5411] dump_stack+0x1c/0x5c [ 209.238736][ T5411] sysfs_create_dir_ns+0x22c/0x24c [ 209.240121][ T5411] kobject_add_internal+0x590/0xc54 [ 209.241567][ T5411] kobject_init_and_add+0x118/0x17c [ 209.243013][ T5411] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.244293][ T5411] gfs2_fill_super+0xdac/0x19e0 [ 209.245647][ T5411] get_tree_bdev+0x358/0x544 [ 209.246869][ T5411] gfs2_get_tree+0x54/0x1b4 [ 209.248048][ T5411] vfs_get_tree+0x90/0x274 [ 209.249263][ T5411] do_new_mount+0x228/0x810 [ 209.250504][ T5411] path_mount+0x5b4/0x1000 [ 209.251678][ T5411] __arm64_sys_mount+0x514/0x5e4 [ 209.253014][ T5411] invoke_syscall+0x98/0x2b8 [ 209.254243][ T5411] el0_svc_common+0x138/0x258 [ 209.255541][ T5411] do_el0_svc+0x58/0x14c [ 209.256703][ T5411] el0_svc+0x78/0x1e0 [ 209.257754][ T5411] el0t_64_sync_handler+0xcc/0xe4 [ 209.259103][ T5411] el0t_64_sync+0x1a0/0x1a4 [ 209.262541][ T5411] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.266238][ T5411] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.559321][ T5413] loop1: detected capacity change from 0 to 32768 [ 209.610545][ T5413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.612740][ T5413] CPU: 0 PID: 5413 Comm: syz.1.247 Not tainted 5.15.184-syzkaller #0 [ 209.614952][ T5413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 209.617677][ T5413] Call trace: [ 209.618552][ T5413] dump_backtrace+0x0/0x43c [ 209.619771][ T5413] show_stack+0x2c/0x3c [ 209.620926][ T5413] __dump_stack+0x30/0x40 [ 209.622093][ T5413] dump_stack_lvl+0xf8/0x160 [ 209.623317][ T5413] dump_stack+0x1c/0x5c [ 209.624440][ T5413] sysfs_create_dir_ns+0x22c/0x24c [ 209.625860][ T5413] kobject_add_internal+0x590/0xc54 [ 209.627284][ T5413] kobject_init_and_add+0x118/0x17c [ 209.628702][ T5413] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.630064][ T5413] gfs2_fill_super+0xdac/0x19e0 [ 209.631370][ T5413] get_tree_bdev+0x358/0x544 [ 209.632697][ T5413] gfs2_get_tree+0x54/0x1b4 [ 209.633917][ T5413] vfs_get_tree+0x90/0x274 [ 209.635087][ T5413] do_new_mount+0x228/0x810 [ 209.636317][ T5413] path_mount+0x5b4/0x1000 [ 209.637497][ T5413] __arm64_sys_mount+0x514/0x5e4 [ 209.638852][ T5413] invoke_syscall+0x98/0x2b8 [ 209.640112][ T5413] el0_svc_common+0x138/0x258 [ 209.641387][ T5413] do_el0_svc+0x58/0x14c [ 209.642540][ T5413] el0_svc+0x78/0x1e0 [ 209.643606][ T5413] el0t_64_sync_handler+0xcc/0xe4 [ 209.645005][ T5413] el0t_64_sync+0x1a0/0x1a4 [ 209.649717][ T5413] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.653473][ T5413] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.915925][ T5416] loop1: detected capacity change from 0 to 32768 [ 209.975164][ T5416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.977252][ T5416] CPU: 1 PID: 5416 Comm: syz.1.248 Not tainted 5.15.184-syzkaller #0 [ 209.979678][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 209.982488][ T5416] Call trace: [ 209.983387][ T5416] dump_backtrace+0x0/0x43c [ 209.984640][ T5416] show_stack+0x2c/0x3c [ 209.985828][ T5416] __dump_stack+0x30/0x40 [ 209.986980][ T5416] dump_stack_lvl+0xf8/0x160 [ 209.988235][ T5416] dump_stack+0x1c/0x5c [ 209.989315][ T5416] sysfs_create_dir_ns+0x22c/0x24c [ 209.990773][ T5416] kobject_add_internal+0x590/0xc54 [ 209.992223][ T5416] kobject_init_and_add+0x118/0x17c [ 209.993686][ T5416] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.995039][ T5416] gfs2_fill_super+0xdac/0x19e0 [ 209.996345][ T5416] get_tree_bdev+0x358/0x544 [ 209.997692][ T5416] gfs2_get_tree+0x54/0x1b4 [ 209.998932][ T5416] vfs_get_tree+0x90/0x274 [ 210.000218][ T5416] do_new_mount+0x228/0x810 [ 210.001467][ T5416] path_mount+0x5b4/0x1000 [ 210.002649][ T5416] __arm64_sys_mount+0x514/0x5e4 [ 210.004083][ T5416] invoke_syscall+0x98/0x2b8 [ 210.005340][ T5416] el0_svc_common+0x138/0x258 [ 210.006647][ T5416] do_el0_svc+0x58/0x14c [ 210.007851][ T5416] el0_svc+0x78/0x1e0 [ 210.008963][ T5416] el0t_64_sync_handler+0xcc/0xe4 [ 210.010379][ T5416] el0t_64_sync+0x1a0/0x1a4 [ 210.013393][ T5416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.018428][ T5416] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:30 executed programs: 235 [ 210.306977][ T5419] loop1: detected capacity change from 0 to 32768 [ 210.357110][ T5419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.359221][ T5419] CPU: 0 PID: 5419 Comm: syz.1.249 Not tainted 5.15.184-syzkaller #0 [ 210.361308][ T5419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 210.363950][ T5419] Call trace: [ 210.364792][ T5419] dump_backtrace+0x0/0x43c [ 210.365984][ T5419] show_stack+0x2c/0x3c [ 210.367192][ T5419] __dump_stack+0x30/0x40 [ 210.368359][ T5419] dump_stack_lvl+0xf8/0x160 [ 210.369611][ T5419] dump_stack+0x1c/0x5c [ 210.370761][ T5419] sysfs_create_dir_ns+0x22c/0x24c [ 210.372135][ T5419] kobject_add_internal+0x590/0xc54 [ 210.373489][ T5419] kobject_init_and_add+0x118/0x17c [ 210.374971][ T5419] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.376308][ T5419] gfs2_fill_super+0xdac/0x19e0 [ 210.377655][ T5419] get_tree_bdev+0x358/0x544 [ 210.378920][ T5419] gfs2_get_tree+0x54/0x1b4 [ 210.380094][ T5419] vfs_get_tree+0x90/0x274 [ 210.381283][ T5419] do_new_mount+0x228/0x810 [ 210.382472][ T5419] path_mount+0x5b4/0x1000 [ 210.383618][ T5419] __arm64_sys_mount+0x514/0x5e4 [ 210.384942][ T5419] invoke_syscall+0x98/0x2b8 [ 210.386180][ T5419] el0_svc_common+0x138/0x258 [ 210.387459][ T5419] do_el0_svc+0x58/0x14c [ 210.388649][ T5419] el0_svc+0x78/0x1e0 [ 210.389741][ T5419] el0t_64_sync_handler+0xcc/0xe4 [ 210.391130][ T5419] el0t_64_sync+0x1a0/0x1a4 [ 210.394502][ T5419] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.398194][ T5419] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.672519][ T5421] loop1: detected capacity change from 0 to 32768 [ 210.728783][ T5421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.730951][ T5421] CPU: 0 PID: 5421 Comm: syz.1.250 Not tainted 5.15.184-syzkaller #0 [ 210.733092][ T5421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 210.735903][ T5421] Call trace: [ 210.736774][ T5421] dump_backtrace+0x0/0x43c [ 210.737986][ T5421] show_stack+0x2c/0x3c [ 210.739087][ T5421] __dump_stack+0x30/0x40 [ 210.740290][ T5421] dump_stack_lvl+0xf8/0x160 [ 210.741656][ T5421] dump_stack+0x1c/0x5c [ 210.742956][ T5421] sysfs_create_dir_ns+0x22c/0x24c [ 210.744390][ T5421] kobject_add_internal+0x590/0xc54 [ 210.745841][ T5421] kobject_init_and_add+0x118/0x17c [ 210.747264][ T5421] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.748523][ T5421] gfs2_fill_super+0xdac/0x19e0 [ 210.749871][ T5421] get_tree_bdev+0x358/0x544 [ 210.751126][ T5421] gfs2_get_tree+0x54/0x1b4 [ 210.752379][ T5421] vfs_get_tree+0x90/0x274 [ 210.753686][ T5421] do_new_mount+0x228/0x810 [ 210.754970][ T5421] path_mount+0x5b4/0x1000 [ 210.756263][ T5421] __arm64_sys_mount+0x514/0x5e4 [ 210.757710][ T5421] invoke_syscall+0x98/0x2b8 [ 210.759086][ T5421] el0_svc_common+0x138/0x258 [ 210.760391][ T5421] do_el0_svc+0x58/0x14c [ 210.761598][ T5421] el0_svc+0x78/0x1e0 [ 210.762677][ T5421] el0t_64_sync_handler+0xcc/0xe4 [ 210.764090][ T5421] el0t_64_sync+0x1a0/0x1a4 [ 210.768386][ T5421] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.772093][ T5421] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.101395][ T5423] loop1: detected capacity change from 0 to 32768 [ 211.152230][ T5423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.154852][ T5423] CPU: 1 PID: 5423 Comm: syz.1.251 Not tainted 5.15.184-syzkaller #0 [ 211.157108][ T5423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 211.159866][ T5423] Call trace: [ 211.160725][ T5423] dump_backtrace+0x0/0x43c [ 211.162146][ T5423] show_stack+0x2c/0x3c [ 211.163287][ T5423] __dump_stack+0x30/0x40 [ 211.164526][ T5423] dump_stack_lvl+0xf8/0x160 [ 211.165814][ T5423] dump_stack+0x1c/0x5c [ 211.166941][ T5423] sysfs_create_dir_ns+0x22c/0x24c [ 211.168357][ T5423] kobject_add_internal+0x590/0xc54 [ 211.169860][ T5423] kobject_init_and_add+0x118/0x17c [ 211.171310][ T5423] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.172609][ T5423] gfs2_fill_super+0xdac/0x19e0 [ 211.173958][ T5423] get_tree_bdev+0x358/0x544 [ 211.175214][ T5423] gfs2_get_tree+0x54/0x1b4 [ 211.176414][ T5423] vfs_get_tree+0x90/0x274 [ 211.177667][ T5423] do_new_mount+0x228/0x810 [ 211.178958][ T5423] path_mount+0x5b4/0x1000 [ 211.180227][ T5423] __arm64_sys_mount+0x514/0x5e4 [ 211.181620][ T5423] invoke_syscall+0x98/0x2b8 [ 211.182939][ T5423] el0_svc_common+0x138/0x258 [ 211.184225][ T5423] do_el0_svc+0x58/0x14c [ 211.185354][ T5423] el0_svc+0x78/0x1e0 [ 211.186414][ T5423] el0t_64_sync_handler+0xcc/0xe4 [ 211.187874][ T5423] el0t_64_sync+0x1a0/0x1a4 [ 211.191594][ T5423] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.195373][ T5423] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.465737][ T5426] loop1: detected capacity change from 0 to 32768 [ 211.525917][ T5426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.528141][ T5426] CPU: 0 PID: 5426 Comm: syz.1.252 Not tainted 5.15.184-syzkaller #0 [ 211.530387][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 211.533268][ T5426] Call trace: [ 211.534169][ T5426] dump_backtrace+0x0/0x43c [ 211.535426][ T5426] show_stack+0x2c/0x3c [ 211.536599][ T5426] __dump_stack+0x30/0x40 [ 211.537849][ T5426] dump_stack_lvl+0xf8/0x160 [ 211.539156][ T5426] dump_stack+0x1c/0x5c [ 211.540260][ T5426] sysfs_create_dir_ns+0x22c/0x24c [ 211.541687][ T5426] kobject_add_internal+0x590/0xc54 [ 211.543190][ T5426] kobject_init_and_add+0x118/0x17c [ 211.544653][ T5426] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.545982][ T5426] gfs2_fill_super+0xdac/0x19e0 [ 211.547305][ T5426] get_tree_bdev+0x358/0x544 [ 211.548824][ T5426] gfs2_get_tree+0x54/0x1b4 [ 211.550126][ T5426] vfs_get_tree+0x90/0x274 [ 211.551496][ T5426] do_new_mount+0x228/0x810 [ 211.552772][ T5426] path_mount+0x5b4/0x1000 [ 211.554000][ T5426] __arm64_sys_mount+0x514/0x5e4 [ 211.555458][ T5426] invoke_syscall+0x98/0x2b8 [ 211.556763][ T5426] el0_svc_common+0x138/0x258 [ 211.558126][ T5426] do_el0_svc+0x58/0x14c [ 211.559336][ T5426] el0_svc+0x78/0x1e0 [ 211.560494][ T5426] el0t_64_sync_handler+0xcc/0xe4 [ 211.561928][ T5426] el0t_64_sync+0x1a0/0x1a4 [ 211.563661][ T5426] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.567742][ T5426] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.835325][ T5428] loop1: detected capacity change from 0 to 32768 [ 211.918719][ T5428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.920876][ T5428] CPU: 1 PID: 5428 Comm: syz.1.253 Not tainted 5.15.184-syzkaller #0 [ 211.923074][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 211.925939][ T5428] Call trace: [ 211.926900][ T5428] dump_backtrace+0x0/0x43c [ 211.928199][ T5428] show_stack+0x2c/0x3c [ 211.929372][ T5428] __dump_stack+0x30/0x40 [ 211.930625][ T5428] dump_stack_lvl+0xf8/0x160 [ 211.931901][ T5428] dump_stack+0x1c/0x5c [ 211.933144][ T5428] sysfs_create_dir_ns+0x22c/0x24c [ 211.934562][ T5428] kobject_add_internal+0x590/0xc54 [ 211.936003][ T5428] kobject_init_and_add+0x118/0x17c [ 211.937466][ T5428] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.938823][ T5428] gfs2_fill_super+0xdac/0x19e0 [ 211.940227][ T5428] get_tree_bdev+0x358/0x544 [ 211.941491][ T5428] gfs2_get_tree+0x54/0x1b4 [ 211.942751][ T5428] vfs_get_tree+0x90/0x274 [ 211.943954][ T5428] do_new_mount+0x228/0x810 [ 211.945166][ T5428] path_mount+0x5b4/0x1000 [ 211.946434][ T5428] __arm64_sys_mount+0x514/0x5e4 [ 211.947843][ T5428] invoke_syscall+0x98/0x2b8 [ 211.949092][ T5428] el0_svc_common+0x138/0x258 [ 211.950400][ T5428] do_el0_svc+0x58/0x14c [ 211.951613][ T5428] el0_svc+0x78/0x1e0 [ 211.952742][ T5428] el0t_64_sync_handler+0xcc/0xe4 [ 211.954142][ T5428] el0t_64_sync+0x1a0/0x1a4 [ 211.965048][ T5428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.968961][ T5428] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.371888][ T5430] loop1: detected capacity change from 0 to 32768 [ 212.426528][ T5430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.428755][ T5430] CPU: 0 PID: 5430 Comm: syz.1.254 Not tainted 5.15.184-syzkaller #0 [ 212.431038][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.433971][ T5430] Call trace: [ 212.434845][ T5430] dump_backtrace+0x0/0x43c [ 212.436138][ T5430] show_stack+0x2c/0x3c [ 212.437281][ T5430] __dump_stack+0x30/0x40 [ 212.438488][ T5430] dump_stack_lvl+0xf8/0x160 [ 212.439831][ T5430] dump_stack+0x1c/0x5c [ 212.440995][ T5430] sysfs_create_dir_ns+0x22c/0x24c [ 212.442485][ T5430] kobject_add_internal+0x590/0xc54 [ 212.444027][ T5430] kobject_init_and_add+0x118/0x17c [ 212.445523][ T5430] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.446844][ T5430] gfs2_fill_super+0xdac/0x19e0 [ 212.448171][ T5430] get_tree_bdev+0x358/0x544 [ 212.449463][ T5430] gfs2_get_tree+0x54/0x1b4 [ 212.450636][ T5430] vfs_get_tree+0x90/0x274 [ 212.451855][ T5430] do_new_mount+0x228/0x810 [ 212.453175][ T5430] path_mount+0x5b4/0x1000 [ 212.454358][ T5430] __arm64_sys_mount+0x514/0x5e4 [ 212.455671][ T5430] invoke_syscall+0x98/0x2b8 [ 212.456939][ T5430] el0_svc_common+0x138/0x258 [ 212.458248][ T5430] do_el0_svc+0x58/0x14c [ 212.459433][ T5430] el0_svc+0x78/0x1e0 [ 212.460525][ T5430] el0t_64_sync_handler+0xcc/0xe4 [ 212.461959][ T5430] el0t_64_sync+0x1a0/0x1a4 [ 212.468587][ T5430] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.472209][ T5430] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.733484][ T5432] loop1: detected capacity change from 0 to 32768 [ 212.784677][ T5432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.786882][ T5432] CPU: 0 PID: 5432 Comm: syz.1.255 Not tainted 5.15.184-syzkaller #0 [ 212.789104][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.791916][ T5432] Call trace: [ 212.792821][ T5432] dump_backtrace+0x0/0x43c [ 212.794046][ T5432] show_stack+0x2c/0x3c [ 212.795178][ T5432] __dump_stack+0x30/0x40 [ 212.796323][ T5432] dump_stack_lvl+0xf8/0x160 [ 212.797582][ T5432] dump_stack+0x1c/0x5c [ 212.798711][ T5432] sysfs_create_dir_ns+0x22c/0x24c [ 212.800176][ T5432] kobject_add_internal+0x590/0xc54 [ 212.801654][ T5432] kobject_init_and_add+0x118/0x17c [ 212.803106][ T5432] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.804467][ T5432] gfs2_fill_super+0xdac/0x19e0 [ 212.805810][ T5432] get_tree_bdev+0x358/0x544 [ 212.807078][ T5432] gfs2_get_tree+0x54/0x1b4 [ 212.808343][ T5432] vfs_get_tree+0x90/0x274 [ 212.809623][ T5432] do_new_mount+0x228/0x810 [ 212.810855][ T5432] path_mount+0x5b4/0x1000 [ 212.812136][ T5432] __arm64_sys_mount+0x514/0x5e4 [ 212.813545][ T5432] invoke_syscall+0x98/0x2b8 [ 212.814817][ T5432] el0_svc_common+0x138/0x258 [ 212.816088][ T5432] do_el0_svc+0x58/0x14c [ 212.817260][ T5432] el0_svc+0x78/0x1e0 [ 212.818394][ T5432] el0t_64_sync_handler+0xcc/0xe4 [ 212.819789][ T5432] el0t_64_sync+0x1a0/0x1a4 [ 212.824066][ T5432] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.828204][ T5432] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.104824][ T5434] loop1: detected capacity change from 0 to 32768 [ 213.204303][ T5434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.206570][ T5434] CPU: 0 PID: 5434 Comm: syz.1.256 Not tainted 5.15.184-syzkaller #0 [ 213.208773][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 213.211584][ T5434] Call trace: [ 213.212480][ T5434] dump_backtrace+0x0/0x43c [ 213.213656][ T5434] show_stack+0x2c/0x3c [ 213.214846][ T5434] __dump_stack+0x30/0x40 [ 213.216069][ T5434] dump_stack_lvl+0xf8/0x160 [ 213.217408][ T5434] dump_stack+0x1c/0x5c [ 213.218505][ T5434] sysfs_create_dir_ns+0x22c/0x24c [ 213.219923][ T5434] kobject_add_internal+0x590/0xc54 [ 213.221358][ T5434] kobject_init_and_add+0x118/0x17c [ 213.222845][ T5434] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.224121][ T5434] gfs2_fill_super+0xdac/0x19e0 [ 213.225423][ T5434] get_tree_bdev+0x358/0x544 [ 213.226667][ T5434] gfs2_get_tree+0x54/0x1b4 [ 213.227900][ T5434] vfs_get_tree+0x90/0x274 [ 213.229089][ T5434] do_new_mount+0x228/0x810 [ 213.230311][ T5434] path_mount+0x5b4/0x1000 [ 213.231591][ T5434] __arm64_sys_mount+0x514/0x5e4 [ 213.232895][ T5434] invoke_syscall+0x98/0x2b8 [ 213.234144][ T5434] el0_svc_common+0x138/0x258 [ 213.235492][ T5434] do_el0_svc+0x58/0x14c [ 213.236618][ T5434] el0_svc+0x78/0x1e0 [ 213.237784][ T5434] el0t_64_sync_handler+0xcc/0xe4 [ 213.239138][ T5434] el0t_64_sync+0x1a0/0x1a4 [ 213.242903][ T5434] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.246653][ T5434] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.522571][ T5437] loop1: detected capacity change from 0 to 32768 [ 213.567408][ T5437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.569532][ T5437] CPU: 0 PID: 5437 Comm: syz.1.257 Not tainted 5.15.184-syzkaller #0 [ 213.571683][ T5437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 213.574374][ T5437] Call trace: [ 213.575260][ T5437] dump_backtrace+0x0/0x43c [ 213.576495][ T5437] show_stack+0x2c/0x3c [ 213.577623][ T5437] __dump_stack+0x30/0x40 [ 213.578819][ T5437] dump_stack_lvl+0xf8/0x160 [ 213.580061][ T5437] dump_stack+0x1c/0x5c [ 213.581176][ T5437] sysfs_create_dir_ns+0x22c/0x24c [ 213.582574][ T5437] kobject_add_internal+0x590/0xc54 [ 213.583959][ T5437] kobject_init_and_add+0x118/0x17c [ 213.585427][ T5437] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.586712][ T5437] gfs2_fill_super+0xdac/0x19e0 [ 213.588041][ T5437] get_tree_bdev+0x358/0x544 [ 213.589296][ T5437] gfs2_get_tree+0x54/0x1b4 [ 213.590532][ T5437] vfs_get_tree+0x90/0x274 [ 213.591736][ T5437] do_new_mount+0x228/0x810 [ 213.592950][ T5437] path_mount+0x5b4/0x1000 [ 213.594141][ T5437] __arm64_sys_mount+0x514/0x5e4 [ 213.595467][ T5437] invoke_syscall+0x98/0x2b8 [ 213.596729][ T5437] el0_svc_common+0x138/0x258 [ 213.597954][ T5437] do_el0_svc+0x58/0x14c [ 213.599133][ T5437] el0_svc+0x78/0x1e0 [ 213.600210][ T5437] el0t_64_sync_handler+0xcc/0xe4 [ 213.601505][ T5437] el0t_64_sync+0x1a0/0x1a4 [ 213.604849][ T5437] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.608568][ T5437] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.880738][ T5439] loop1: detected capacity change from 0 to 32768 [ 213.922954][ T5439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.925328][ T5439] CPU: 1 PID: 5439 Comm: syz.1.258 Not tainted 5.15.184-syzkaller #0 [ 213.927573][ T5439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 213.930634][ T5439] Call trace: [ 213.931565][ T5439] dump_backtrace+0x0/0x43c [ 213.932873][ T5439] show_stack+0x2c/0x3c [ 213.934024][ T5439] __dump_stack+0x30/0x40 [ 213.935228][ T5439] dump_stack_lvl+0xf8/0x160 [ 213.936494][ T5439] dump_stack+0x1c/0x5c [ 213.937698][ T5439] sysfs_create_dir_ns+0x22c/0x24c [ 213.939121][ T5439] kobject_add_internal+0x590/0xc54 [ 213.940525][ T5439] kobject_init_and_add+0x118/0x17c [ 213.942021][ T5439] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.943358][ T5439] gfs2_fill_super+0xdac/0x19e0 [ 213.944735][ T5439] get_tree_bdev+0x358/0x544 [ 213.946004][ T5439] gfs2_get_tree+0x54/0x1b4 [ 213.947260][ T5439] vfs_get_tree+0x90/0x274 [ 213.948555][ T5439] do_new_mount+0x228/0x810 [ 213.949799][ T5439] path_mount+0x5b4/0x1000 [ 213.950990][ T5439] __arm64_sys_mount+0x514/0x5e4 [ 213.952391][ T5439] invoke_syscall+0x98/0x2b8 [ 213.953705][ T5439] el0_svc_common+0x138/0x258 [ 213.954966][ T5439] do_el0_svc+0x58/0x14c [ 213.956167][ T5439] el0_svc+0x78/0x1e0 [ 213.957332][ T5439] el0t_64_sync_handler+0xcc/0xe4 [ 213.958733][ T5439] el0t_64_sync+0x1a0/0x1a4 [ 213.962608][ T5439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.966388][ T5439] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.228602][ T5441] loop1: detected capacity change from 0 to 32768 [ 214.280560][ T5441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.283145][ T5441] CPU: 1 PID: 5441 Comm: syz.1.259 Not tainted 5.15.184-syzkaller #0 [ 214.285425][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 214.288280][ T5441] Call trace: [ 214.289175][ T5441] dump_backtrace+0x0/0x43c [ 214.290411][ T5441] show_stack+0x2c/0x3c [ 214.291580][ T5441] __dump_stack+0x30/0x40 [ 214.292756][ T5441] dump_stack_lvl+0xf8/0x160 [ 214.294001][ T5441] dump_stack+0x1c/0x5c [ 214.295131][ T5441] sysfs_create_dir_ns+0x22c/0x24c [ 214.296500][ T5441] kobject_add_internal+0x590/0xc54 [ 214.297999][ T5441] kobject_init_and_add+0x118/0x17c [ 214.299369][ T5441] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.300687][ T5441] gfs2_fill_super+0xdac/0x19e0 [ 214.301992][ T5441] get_tree_bdev+0x358/0x544 [ 214.303282][ T5441] gfs2_get_tree+0x54/0x1b4 [ 214.304506][ T5441] vfs_get_tree+0x90/0x274 [ 214.305691][ T5441] do_new_mount+0x228/0x810 [ 214.306937][ T5441] path_mount+0x5b4/0x1000 [ 214.308163][ T5441] __arm64_sys_mount+0x514/0x5e4 [ 214.309619][ T5441] invoke_syscall+0x98/0x2b8 [ 214.310925][ T5441] el0_svc_common+0x138/0x258 [ 214.312220][ T5441] do_el0_svc+0x58/0x14c [ 214.313407][ T5441] el0_svc+0x78/0x1e0 [ 214.314507][ T5441] el0t_64_sync_handler+0xcc/0xe4 [ 214.315916][ T5441] el0t_64_sync+0x1a0/0x1a4 [ 214.319373][ T5441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.323053][ T5441] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.584615][ T5443] loop1: detected capacity change from 0 to 32768 [ 214.628849][ T5443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.630943][ T5443] CPU: 0 PID: 5443 Comm: syz.1.260 Not tainted 5.15.184-syzkaller #0 [ 214.633092][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 214.635962][ T5443] Call trace: [ 214.636969][ T5443] dump_backtrace+0x0/0x43c [ 214.638209][ T5443] show_stack+0x2c/0x3c [ 214.639357][ T5443] __dump_stack+0x30/0x40 [ 214.640586][ T5443] dump_stack_lvl+0xf8/0x160 [ 214.641875][ T5443] dump_stack+0x1c/0x5c [ 214.643061][ T5443] sysfs_create_dir_ns+0x22c/0x24c [ 214.644465][ T5443] kobject_add_internal+0x590/0xc54 [ 214.646113][ T5443] kobject_init_and_add+0x118/0x17c [ 214.647598][ T5443] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.648971][ T5443] gfs2_fill_super+0xdac/0x19e0 [ 214.650338][ T5443] get_tree_bdev+0x358/0x544 [ 214.651613][ T5443] gfs2_get_tree+0x54/0x1b4 [ 214.652905][ T5443] vfs_get_tree+0x90/0x274 [ 214.654129][ T5443] do_new_mount+0x228/0x810 [ 214.655341][ T5443] path_mount+0x5b4/0x1000 [ 214.656559][ T5443] __arm64_sys_mount+0x514/0x5e4 [ 214.657936][ T5443] invoke_syscall+0x98/0x2b8 [ 214.659256][ T5443] el0_svc_common+0x138/0x258 [ 214.660544][ T5443] do_el0_svc+0x58/0x14c [ 214.661743][ T5443] el0_svc+0x78/0x1e0 [ 214.662890][ T5443] el0t_64_sync_handler+0xcc/0xe4 [ 214.664250][ T5443] el0t_64_sync+0x1a0/0x1a4 [ 214.672531][ T5443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.676598][ T5443] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.947920][ T5445] loop1: detected capacity change from 0 to 32768 [ 215.005840][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.008032][ T5445] CPU: 1 PID: 5445 Comm: syz.1.261 Not tainted 5.15.184-syzkaller #0 [ 215.010224][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 215.012943][ T5445] Call trace: [ 215.013846][ T5445] dump_backtrace+0x0/0x43c [ 215.015105][ T5445] show_stack+0x2c/0x3c [ 215.016220][ T5445] __dump_stack+0x30/0x40 [ 215.017430][ T5445] dump_stack_lvl+0xf8/0x160 [ 215.018651][ T5445] dump_stack+0x1c/0x5c [ 215.019807][ T5445] sysfs_create_dir_ns+0x22c/0x24c [ 215.021211][ T5445] kobject_add_internal+0x590/0xc54 [ 215.022657][ T5445] kobject_init_and_add+0x118/0x17c [ 215.024123][ T5445] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.025439][ T5445] gfs2_fill_super+0xdac/0x19e0 [ 215.026729][ T5445] get_tree_bdev+0x358/0x544 [ 215.028025][ T5445] gfs2_get_tree+0x54/0x1b4 [ 215.029224][ T5445] vfs_get_tree+0x90/0x274 [ 215.030404][ T5445] do_new_mount+0x228/0x810 [ 215.031668][ T5445] path_mount+0x5b4/0x1000 [ 215.032889][ T5445] __arm64_sys_mount+0x514/0x5e4 [ 215.034192][ T5445] invoke_syscall+0x98/0x2b8 [ 215.035469][ T5445] el0_svc_common+0x138/0x258 [ 215.036752][ T5445] do_el0_svc+0x58/0x14c [ 215.037901][ T5445] el0_svc+0x78/0x1e0 [ 215.038964][ T5445] el0t_64_sync_handler+0xcc/0xe4 [ 215.040366][ T5445] el0t_64_sync+0x1a0/0x1a4 [ 215.043831][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.047693][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:35 executed programs: 248 [ 215.309192][ T5447] loop1: detected capacity change from 0 to 32768 [ 215.354152][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.356322][ T5447] CPU: 1 PID: 5447 Comm: syz.1.262 Not tainted 5.15.184-syzkaller #0 [ 215.358637][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 215.361372][ T5447] Call trace: [ 215.362256][ T5447] dump_backtrace+0x0/0x43c [ 215.363463][ T5447] show_stack+0x2c/0x3c [ 215.364578][ T5447] __dump_stack+0x30/0x40 [ 215.365764][ T5447] dump_stack_lvl+0xf8/0x160 [ 215.367042][ T5447] dump_stack+0x1c/0x5c [ 215.368198][ T5447] sysfs_create_dir_ns+0x22c/0x24c [ 215.369610][ T5447] kobject_add_internal+0x590/0xc54 [ 215.371044][ T5447] kobject_init_and_add+0x118/0x17c [ 215.372475][ T5447] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.373736][ T5447] gfs2_fill_super+0xdac/0x19e0 [ 215.375119][ T5447] get_tree_bdev+0x358/0x544 [ 215.376360][ T5447] gfs2_get_tree+0x54/0x1b4 [ 215.377596][ T5447] vfs_get_tree+0x90/0x274 [ 215.378800][ T5447] do_new_mount+0x228/0x810 [ 215.380095][ T5447] path_mount+0x5b4/0x1000 [ 215.381295][ T5447] __arm64_sys_mount+0x514/0x5e4 [ 215.382621][ T5447] invoke_syscall+0x98/0x2b8 [ 215.383868][ T5447] el0_svc_common+0x138/0x258 [ 215.385178][ T5447] do_el0_svc+0x58/0x14c [ 215.386350][ T5447] el0_svc+0x78/0x1e0 [ 215.387470][ T5447] el0t_64_sync_handler+0xcc/0xe4 [ 215.388878][ T5447] el0t_64_sync+0x1a0/0x1a4 [ 215.392656][ T5447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.396431][ T5447] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.662759][ T5449] loop1: detected capacity change from 0 to 32768 [ 215.725043][ T5449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.727221][ T5449] CPU: 0 PID: 5449 Comm: syz.1.263 Not tainted 5.15.184-syzkaller #0 [ 215.729511][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 215.732259][ T5449] Call trace: [ 215.733260][ T5449] dump_backtrace+0x0/0x43c [ 215.734545][ T5449] show_stack+0x2c/0x3c [ 215.735674][ T5449] __dump_stack+0x30/0x40 [ 215.736866][ T5449] dump_stack_lvl+0xf8/0x160 [ 215.738192][ T5449] dump_stack+0x1c/0x5c [ 215.739328][ T5449] sysfs_create_dir_ns+0x22c/0x24c [ 215.740760][ T5449] kobject_add_internal+0x590/0xc54 [ 215.742239][ T5449] kobject_init_and_add+0x118/0x17c [ 215.743742][ T5449] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.745089][ T5449] gfs2_fill_super+0xdac/0x19e0 [ 215.746420][ T5449] get_tree_bdev+0x358/0x544 [ 215.747734][ T5449] gfs2_get_tree+0x54/0x1b4 [ 215.749028][ T5449] vfs_get_tree+0x90/0x274 [ 215.750255][ T5449] do_new_mount+0x228/0x810 [ 215.751650][ T5449] path_mount+0x5b4/0x1000 [ 215.752959][ T5449] __arm64_sys_mount+0x514/0x5e4 [ 215.754415][ T5449] invoke_syscall+0x98/0x2b8 [ 215.755780][ T5449] el0_svc_common+0x138/0x258 [ 215.757020][ T5449] do_el0_svc+0x58/0x14c [ 215.758290][ T5449] el0_svc+0x78/0x1e0 [ 215.759421][ T5449] el0t_64_sync_handler+0xcc/0xe4 [ 215.760976][ T5449] el0t_64_sync+0x1a0/0x1a4 [ 215.762720][ T5449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.766962][ T5449] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.033958][ T5451] loop1: detected capacity change from 0 to 32768 [ 216.123794][ T5451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.126019][ T5451] CPU: 1 PID: 5451 Comm: syz.1.264 Not tainted 5.15.184-syzkaller #0 [ 216.128320][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.130943][ T5451] Call trace: [ 216.131872][ T5451] dump_backtrace+0x0/0x43c [ 216.133119][ T5451] show_stack+0x2c/0x3c [ 216.134271][ T5451] __dump_stack+0x30/0x40 [ 216.135442][ T5451] dump_stack_lvl+0xf8/0x160 [ 216.136733][ T5451] dump_stack+0x1c/0x5c [ 216.137836][ T5451] sysfs_create_dir_ns+0x22c/0x24c [ 216.139218][ T5451] kobject_add_internal+0x590/0xc54 [ 216.140626][ T5451] kobject_init_and_add+0x118/0x17c [ 216.142092][ T5451] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.143355][ T5451] gfs2_fill_super+0xdac/0x19e0 [ 216.144704][ T5451] get_tree_bdev+0x358/0x544 [ 216.145975][ T5451] gfs2_get_tree+0x54/0x1b4 [ 216.147252][ T5451] vfs_get_tree+0x90/0x274 [ 216.148445][ T5451] do_new_mount+0x228/0x810 [ 216.149743][ T5451] path_mount+0x5b4/0x1000 [ 216.150967][ T5451] __arm64_sys_mount+0x514/0x5e4 [ 216.152311][ T5451] invoke_syscall+0x98/0x2b8 [ 216.153564][ T5451] el0_svc_common+0x138/0x258 [ 216.154856][ T5451] do_el0_svc+0x58/0x14c [ 216.156017][ T5451] el0_svc+0x78/0x1e0 [ 216.157108][ T5451] el0t_64_sync_handler+0xcc/0xe4 [ 216.158503][ T5451] el0t_64_sync+0x1a0/0x1a4 [ 216.161920][ T5451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.165638][ T5451] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.431694][ T5453] loop1: detected capacity change from 0 to 32768 [ 216.489507][ T5453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.491644][ T5453] CPU: 1 PID: 5453 Comm: syz.1.265 Not tainted 5.15.184-syzkaller #0 [ 216.493891][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.496683][ T5453] Call trace: [ 216.497535][ T5453] dump_backtrace+0x0/0x43c [ 216.498856][ T5453] show_stack+0x2c/0x3c [ 216.500034][ T5453] __dump_stack+0x30/0x40 [ 216.501253][ T5453] dump_stack_lvl+0xf8/0x160 [ 216.502543][ T5453] dump_stack+0x1c/0x5c [ 216.503732][ T5453] sysfs_create_dir_ns+0x22c/0x24c [ 216.505176][ T5453] kobject_add_internal+0x590/0xc54 [ 216.506622][ T5453] kobject_init_and_add+0x118/0x17c [ 216.508037][ T5453] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.509341][ T5453] gfs2_fill_super+0xdac/0x19e0 [ 216.510722][ T5453] get_tree_bdev+0x358/0x544 [ 216.511988][ T5453] gfs2_get_tree+0x54/0x1b4 [ 216.513246][ T5453] vfs_get_tree+0x90/0x274 [ 216.514446][ T5453] do_new_mount+0x228/0x810 [ 216.515700][ T5453] path_mount+0x5b4/0x1000 [ 216.516950][ T5453] __arm64_sys_mount+0x514/0x5e4 [ 216.518308][ T5453] invoke_syscall+0x98/0x2b8 [ 216.519575][ T5453] el0_svc_common+0x138/0x258 [ 216.520929][ T5453] do_el0_svc+0x58/0x14c [ 216.522053][ T5453] el0_svc+0x78/0x1e0 [ 216.523128][ T5453] el0t_64_sync_handler+0xcc/0xe4 [ 216.524547][ T5453] el0t_64_sync+0x1a0/0x1a4 [ 216.527965][ T5453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.531550][ T5453] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.805263][ T5455] loop1: detected capacity change from 0 to 32768 [ 216.882076][ T5455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.884216][ T5455] CPU: 0 PID: 5455 Comm: syz.1.266 Not tainted 5.15.184-syzkaller #0 [ 216.886513][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.889359][ T5455] Call trace: [ 216.890219][ T5455] dump_backtrace+0x0/0x43c [ 216.891525][ T5455] show_stack+0x2c/0x3c [ 216.892716][ T5455] __dump_stack+0x30/0x40 [ 216.893900][ T5455] dump_stack_lvl+0xf8/0x160 [ 216.895208][ T5455] dump_stack+0x1c/0x5c [ 216.896360][ T5455] sysfs_create_dir_ns+0x22c/0x24c [ 216.897838][ T5455] kobject_add_internal+0x590/0xc54 [ 216.899284][ T5455] kobject_init_and_add+0x118/0x17c [ 216.900697][ T5455] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.902047][ T5455] gfs2_fill_super+0xdac/0x19e0 [ 216.903363][ T5455] get_tree_bdev+0x358/0x544 [ 216.904699][ T5455] gfs2_get_tree+0x54/0x1b4 [ 216.905988][ T5455] vfs_get_tree+0x90/0x274 [ 216.907200][ T5455] do_new_mount+0x228/0x810 [ 216.908455][ T5455] path_mount+0x5b4/0x1000 [ 216.909667][ T5455] __arm64_sys_mount+0x514/0x5e4 [ 216.911053][ T5455] invoke_syscall+0x98/0x2b8 [ 216.912351][ T5455] el0_svc_common+0x138/0x258 [ 216.913729][ T5455] do_el0_svc+0x58/0x14c [ 216.914920][ T5455] el0_svc+0x78/0x1e0 [ 216.915973][ T5455] el0t_64_sync_handler+0xcc/0xe4 [ 216.917309][ T5455] el0t_64_sync+0x1a0/0x1a4 [ 216.922434][ T5455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.926280][ T5455] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.195723][ T5457] loop1: detected capacity change from 0 to 32768 [ 217.208536][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.210726][ T5457] CPU: 0 PID: 5457 Comm: syz.1.267 Not tainted 5.15.184-syzkaller #0 [ 217.212953][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 217.215769][ T5457] Call trace: [ 217.216661][ T5457] dump_backtrace+0x0/0x43c [ 217.217929][ T5457] show_stack+0x2c/0x3c [ 217.219034][ T5457] __dump_stack+0x30/0x40 [ 217.220203][ T5457] dump_stack_lvl+0xf8/0x160 [ 217.221491][ T5457] dump_stack+0x1c/0x5c [ 217.222606][ T5457] sysfs_create_dir_ns+0x22c/0x24c [ 217.224036][ T5457] kobject_add_internal+0x590/0xc54 [ 217.225480][ T5457] kobject_init_and_add+0x118/0x17c [ 217.226921][ T5457] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.228325][ T5457] gfs2_fill_super+0xdac/0x19e0 [ 217.229668][ T5457] get_tree_bdev+0x358/0x544 [ 217.230954][ T5457] gfs2_get_tree+0x54/0x1b4 [ 217.232183][ T5457] vfs_get_tree+0x90/0x274 [ 217.233491][ T5457] do_new_mount+0x228/0x810 [ 217.234785][ T5457] path_mount+0x5b4/0x1000 [ 217.236005][ T5457] __arm64_sys_mount+0x514/0x5e4 [ 217.237361][ T5457] invoke_syscall+0x98/0x2b8 [ 217.238640][ T5457] el0_svc_common+0x138/0x258 [ 217.239937][ T5457] do_el0_svc+0x58/0x14c [ 217.241086][ T5457] el0_svc+0x78/0x1e0 [ 217.242231][ T5457] el0t_64_sync_handler+0xcc/0xe4 [ 217.243674][ T5457] el0t_64_sync+0x1a0/0x1a4 [ 217.245317][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.248877][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.663645][ T5459] loop1: detected capacity change from 0 to 32768 [ 217.721316][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.723337][ T5459] CPU: 1 PID: 5459 Comm: syz.1.268 Not tainted 5.15.184-syzkaller #0 [ 217.725614][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 217.728405][ T5459] Call trace: [ 217.729306][ T5459] dump_backtrace+0x0/0x43c [ 217.730546][ T5459] show_stack+0x2c/0x3c [ 217.731732][ T5459] __dump_stack+0x30/0x40 [ 217.732894][ T5459] dump_stack_lvl+0xf8/0x160 [ 217.734199][ T5459] dump_stack+0x1c/0x5c [ 217.735344][ T5459] sysfs_create_dir_ns+0x22c/0x24c [ 217.736758][ T5459] kobject_add_internal+0x590/0xc54 [ 217.738190][ T5459] kobject_init_and_add+0x118/0x17c [ 217.739580][ T5459] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.740889][ T5459] gfs2_fill_super+0xdac/0x19e0 [ 217.742235][ T5459] get_tree_bdev+0x358/0x544 [ 217.743503][ T5459] gfs2_get_tree+0x54/0x1b4 [ 217.744711][ T5459] vfs_get_tree+0x90/0x274 [ 217.745912][ T5459] do_new_mount+0x228/0x810 [ 217.747115][ T5459] path_mount+0x5b4/0x1000 [ 217.748288][ T5459] __arm64_sys_mount+0x514/0x5e4 [ 217.749630][ T5459] invoke_syscall+0x98/0x2b8 [ 217.750857][ T5459] el0_svc_common+0x138/0x258 [ 217.752160][ T5459] do_el0_svc+0x58/0x14c [ 217.753339][ T5459] el0_svc+0x78/0x1e0 [ 217.754396][ T5459] el0t_64_sync_handler+0xcc/0xe4 [ 217.755732][ T5459] el0t_64_sync+0x1a0/0x1a4 [ 217.759059][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.762721][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.023073][ T5461] loop1: detected capacity change from 0 to 32768 [ 218.027668][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.029838][ T5461] CPU: 0 PID: 5461 Comm: syz.1.269 Not tainted 5.15.184-syzkaller #0 [ 218.032103][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 218.034886][ T5461] Call trace: [ 218.035816][ T5461] dump_backtrace+0x0/0x43c [ 218.037082][ T5461] show_stack+0x2c/0x3c [ 218.038255][ T5461] __dump_stack+0x30/0x40 [ 218.039431][ T5461] dump_stack_lvl+0xf8/0x160 [ 218.040705][ T5461] dump_stack+0x1c/0x5c [ 218.041918][ T5461] sysfs_create_dir_ns+0x22c/0x24c [ 218.043326][ T5461] kobject_add_internal+0x590/0xc54 [ 218.044762][ T5461] kobject_init_and_add+0x118/0x17c [ 218.046224][ T5461] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.047549][ T5461] gfs2_fill_super+0xdac/0x19e0 [ 218.048886][ T5461] get_tree_bdev+0x358/0x544 [ 218.050186][ T5461] gfs2_get_tree+0x54/0x1b4 [ 218.051468][ T5461] vfs_get_tree+0x90/0x274 [ 218.052694][ T5461] do_new_mount+0x228/0x810 [ 218.053978][ T5461] path_mount+0x5b4/0x1000 [ 218.055193][ T5461] __arm64_sys_mount+0x514/0x5e4 [ 218.056600][ T5461] invoke_syscall+0x98/0x2b8 [ 218.057900][ T5461] el0_svc_common+0x138/0x258 [ 218.059169][ T5461] do_el0_svc+0x58/0x14c [ 218.060346][ T5461] el0_svc+0x78/0x1e0 [ 218.061470][ T5461] el0t_64_sync_handler+0xcc/0xe4 [ 218.062853][ T5461] el0t_64_sync+0x1a0/0x1a4 [ 218.067825][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.071438][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.363438][ T5463] loop1: detected capacity change from 0 to 32768 [ 218.408076][ T5463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.411051][ T5463] CPU: 0 PID: 5463 Comm: syz.1.270 Not tainted 5.15.184-syzkaller #0 [ 218.413385][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 218.416188][ T5463] Call trace: [ 218.417124][ T5463] dump_backtrace+0x0/0x43c [ 218.418422][ T5463] show_stack+0x2c/0x3c [ 218.419643][ T5463] __dump_stack+0x30/0x40 [ 218.420868][ T5463] dump_stack_lvl+0xf8/0x160 [ 218.422136][ T5463] dump_stack+0x1c/0x5c [ 218.423325][ T5463] sysfs_create_dir_ns+0x22c/0x24c [ 218.424743][ T5463] kobject_add_internal+0x590/0xc54 [ 218.426135][ T5463] kobject_init_and_add+0x118/0x17c [ 218.427629][ T5463] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.428940][ T5463] gfs2_fill_super+0xdac/0x19e0 [ 218.430280][ T5463] get_tree_bdev+0x358/0x544 [ 218.431505][ T5463] gfs2_get_tree+0x54/0x1b4 [ 218.432734][ T5463] vfs_get_tree+0x90/0x274 [ 218.434037][ T5463] do_new_mount+0x228/0x810 [ 218.435355][ T5463] path_mount+0x5b4/0x1000 [ 218.436622][ T5463] __arm64_sys_mount+0x514/0x5e4 [ 218.438063][ T5463] invoke_syscall+0x98/0x2b8 [ 218.439335][ T5463] el0_svc_common+0x138/0x258 [ 218.440662][ T5463] do_el0_svc+0x58/0x14c [ 218.441856][ T5463] el0_svc+0x78/0x1e0 [ 218.442959][ T5463] el0t_64_sync_handler+0xcc/0xe4 [ 218.444318][ T5463] el0t_64_sync+0x1a0/0x1a4 [ 218.447905][ T5463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.451613][ T5463] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.776057][ T5465] loop1: detected capacity change from 0 to 32768 [ 218.832875][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.835017][ T5465] CPU: 0 PID: 5465 Comm: syz.1.271 Not tainted 5.15.184-syzkaller #0 [ 218.837282][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 218.840002][ T5465] Call trace: [ 218.840841][ T5465] dump_backtrace+0x0/0x43c [ 218.842145][ T5465] show_stack+0x2c/0x3c [ 218.843293][ T5465] __dump_stack+0x30/0x40 [ 218.844444][ T5465] dump_stack_lvl+0xf8/0x160 [ 218.845736][ T5465] dump_stack+0x1c/0x5c [ 218.846848][ T5465] sysfs_create_dir_ns+0x22c/0x24c [ 218.848239][ T5465] kobject_add_internal+0x590/0xc54 [ 218.849673][ T5465] kobject_init_and_add+0x118/0x17c [ 218.851112][ T5465] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.852423][ T5465] gfs2_fill_super+0xdac/0x19e0 [ 218.853768][ T5465] get_tree_bdev+0x358/0x544 [ 218.855018][ T5465] gfs2_get_tree+0x54/0x1b4 [ 218.856297][ T5465] vfs_get_tree+0x90/0x274 [ 218.857479][ T5465] do_new_mount+0x228/0x810 [ 218.858730][ T5465] path_mount+0x5b4/0x1000 [ 218.859932][ T5465] __arm64_sys_mount+0x514/0x5e4 [ 218.861260][ T5465] invoke_syscall+0x98/0x2b8 [ 218.862555][ T5465] el0_svc_common+0x138/0x258 [ 218.863851][ T5465] do_el0_svc+0x58/0x14c [ 218.865010][ T5465] el0_svc+0x78/0x1e0 [ 218.866124][ T5465] el0t_64_sync_handler+0xcc/0xe4 [ 218.867474][ T5465] el0t_64_sync+0x1a0/0x1a4 [ 218.872109][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.877048][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.141387][ T5467] loop1: detected capacity change from 0 to 32768 [ 219.176857][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.179810][ T5467] CPU: 0 PID: 5467 Comm: syz.1.272 Not tainted 5.15.184-syzkaller #0 [ 219.182041][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.184790][ T5467] Call trace: [ 219.185754][ T5467] dump_backtrace+0x0/0x43c [ 219.186985][ T5467] show_stack+0x2c/0x3c [ 219.188138][ T5467] __dump_stack+0x30/0x40 [ 219.189367][ T5467] dump_stack_lvl+0xf8/0x160 [ 219.190634][ T5467] dump_stack+0x1c/0x5c [ 219.191760][ T5467] sysfs_create_dir_ns+0x22c/0x24c [ 219.193191][ T5467] kobject_add_internal+0x590/0xc54 [ 219.194581][ T5467] kobject_init_and_add+0x118/0x17c [ 219.196031][ T5467] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.197321][ T5467] gfs2_fill_super+0xdac/0x19e0 [ 219.198656][ T5467] get_tree_bdev+0x358/0x544 [ 219.199917][ T5467] gfs2_get_tree+0x54/0x1b4 [ 219.201257][ T5467] vfs_get_tree+0x90/0x274 [ 219.202430][ T5467] do_new_mount+0x228/0x810 [ 219.203637][ T5467] path_mount+0x5b4/0x1000 [ 219.204860][ T5467] __arm64_sys_mount+0x514/0x5e4 [ 219.206175][ T5467] invoke_syscall+0x98/0x2b8 [ 219.207427][ T5467] el0_svc_common+0x138/0x258 [ 219.208696][ T5467] do_el0_svc+0x58/0x14c [ 219.209932][ T5467] el0_svc+0x78/0x1e0 [ 219.211143][ T5467] el0t_64_sync_handler+0xcc/0xe4 [ 219.212580][ T5467] el0t_64_sync+0x1a0/0x1a4 [ 219.217353][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.221069][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.533866][ T5469] loop1: detected capacity change from 0 to 32768 [ 219.576741][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.578867][ T5469] CPU: 0 PID: 5469 Comm: syz.1.273 Not tainted 5.15.184-syzkaller #0 [ 219.581040][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.583759][ T5469] Call trace: [ 219.584640][ T5469] dump_backtrace+0x0/0x43c [ 219.585983][ T5469] show_stack+0x2c/0x3c [ 219.587170][ T5469] __dump_stack+0x30/0x40 [ 219.588359][ T5469] dump_stack_lvl+0xf8/0x160 [ 219.589586][ T5469] dump_stack+0x1c/0x5c [ 219.590729][ T5469] sysfs_create_dir_ns+0x22c/0x24c [ 219.592188][ T5469] kobject_add_internal+0x590/0xc54 [ 219.593650][ T5469] kobject_init_and_add+0x118/0x17c [ 219.595050][ T5469] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.596376][ T5469] gfs2_fill_super+0xdac/0x19e0 [ 219.597654][ T5469] get_tree_bdev+0x358/0x544 [ 219.598918][ T5469] gfs2_get_tree+0x54/0x1b4 [ 219.600140][ T5469] vfs_get_tree+0x90/0x274 [ 219.601364][ T5469] do_new_mount+0x228/0x810 [ 219.602539][ T5469] path_mount+0x5b4/0x1000 [ 219.603757][ T5469] __arm64_sys_mount+0x514/0x5e4 [ 219.605196][ T5469] invoke_syscall+0x98/0x2b8 [ 219.606425][ T5469] el0_svc_common+0x138/0x258 [ 219.607696][ T5469] do_el0_svc+0x58/0x14c [ 219.608880][ T5469] el0_svc+0x78/0x1e0 [ 219.609964][ T5469] el0t_64_sync_handler+0xcc/0xe4 [ 219.611336][ T5469] el0t_64_sync+0x1a0/0x1a4 [ 219.614834][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.618433][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.944034][ T5471] loop1: detected capacity change from 0 to 32768 [ 219.992610][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.994924][ T5471] CPU: 1 PID: 5471 Comm: syz.1.274 Not tainted 5.15.184-syzkaller #0 [ 219.997103][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.999932][ T5471] Call trace: [ 220.000851][ T5471] dump_backtrace+0x0/0x43c [ 220.002058][ T5471] show_stack+0x2c/0x3c [ 220.003204][ T5471] __dump_stack+0x30/0x40 [ 220.004355][ T5471] dump_stack_lvl+0xf8/0x160 [ 220.005595][ T5471] dump_stack+0x1c/0x5c [ 220.006725][ T5471] sysfs_create_dir_ns+0x22c/0x24c [ 220.008164][ T5471] kobject_add_internal+0x590/0xc54 [ 220.009597][ T5471] kobject_init_and_add+0x118/0x17c [ 220.011050][ T5471] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.012365][ T5471] gfs2_fill_super+0xdac/0x19e0 [ 220.013732][ T5471] get_tree_bdev+0x358/0x544 [ 220.014977][ T5471] gfs2_get_tree+0x54/0x1b4 [ 220.016172][ T5471] vfs_get_tree+0x90/0x274 [ 220.017364][ T5471] do_new_mount+0x228/0x810 [ 220.018589][ T5471] path_mount+0x5b4/0x1000 [ 220.019783][ T5471] __arm64_sys_mount+0x514/0x5e4 [ 220.021148][ T5471] invoke_syscall+0x98/0x2b8 [ 220.022350][ T5471] el0_svc_common+0x138/0x258 [ 220.023609][ T5471] do_el0_svc+0x58/0x14c [ 220.024736][ T5471] el0_svc+0x78/0x1e0 [ 220.025843][ T5471] el0t_64_sync_handler+0xcc/0xe4 [ 220.027283][ T5471] el0t_64_sync+0x1a0/0x1a4 [ 220.030764][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.034400][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.303857][ T5473] loop1: detected capacity change from 0 to 32768 [ 220.354488][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.356718][ T5473] CPU: 0 PID: 5473 Comm: syz.1.275 Not tainted 5.15.184-syzkaller #0 [ 220.359007][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 220.361692][ T5473] Call trace: [ 220.362557][ T5473] dump_backtrace+0x0/0x43c [ 220.363809][ T5473] show_stack+0x2c/0x3c [ 220.364964][ T5473] __dump_stack+0x30/0x40 [ 220.366166][ T5473] dump_stack_lvl+0xf8/0x160 [ 220.367421][ T5473] dump_stack+0x1c/0x5c [ 220.368586][ T5473] sysfs_create_dir_ns+0x22c/0x24c [ 220.370073][ T5473] kobject_add_internal+0x590/0xc54 [ 220.371457][ T5473] kobject_init_and_add+0x118/0x17c [ 220.372893][ T5473] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.374276][ T5473] gfs2_fill_super+0xdac/0x19e0 [ 220.375580][ T5473] get_tree_bdev+0x358/0x544 [ 220.376870][ T5473] gfs2_get_tree+0x54/0x1b4 [ 220.378146][ T5473] vfs_get_tree+0x90/0x274 [ 220.379313][ T5473] do_new_mount+0x228/0x810 [ 220.380615][ T5473] path_mount+0x5b4/0x1000 [ 220.381853][ T5473] __arm64_sys_mount+0x514/0x5e4 [ 220.383169][ T5473] invoke_syscall+0x98/0x2b8 [ 220.384471][ T5473] el0_svc_common+0x138/0x258 [ 220.385784][ T5473] do_el0_svc+0x58/0x14c [ 220.386981][ T5473] el0_svc+0x78/0x1e0 [ 220.388081][ T5473] el0t_64_sync_handler+0xcc/0xe4 [ 220.389481][ T5473] el0t_64_sync+0x1a0/0x1a4 [ 220.392017][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.395729][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:40 executed programs: 262 [ 220.671675][ T5475] loop1: detected capacity change from 0 to 32768 [ 220.726813][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.728951][ T5475] CPU: 1 PID: 5475 Comm: syz.1.276 Not tainted 5.15.184-syzkaller #0 [ 220.731127][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 220.733858][ T5475] Call trace: [ 220.734771][ T5475] dump_backtrace+0x0/0x43c [ 220.736027][ T5475] show_stack+0x2c/0x3c [ 220.737174][ T5475] __dump_stack+0x30/0x40 [ 220.738382][ T5475] dump_stack_lvl+0xf8/0x160 [ 220.739723][ T5475] dump_stack+0x1c/0x5c [ 220.740912][ T5475] sysfs_create_dir_ns+0x22c/0x24c [ 220.742325][ T5475] kobject_add_internal+0x590/0xc54 [ 220.743789][ T5475] kobject_init_and_add+0x118/0x17c [ 220.745192][ T5475] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.746487][ T5475] gfs2_fill_super+0xdac/0x19e0 [ 220.747849][ T5475] get_tree_bdev+0x358/0x544 [ 220.749119][ T5475] gfs2_get_tree+0x54/0x1b4 [ 220.750428][ T5475] vfs_get_tree+0x90/0x274 [ 220.751696][ T5475] do_new_mount+0x228/0x810 [ 220.752991][ T5475] path_mount+0x5b4/0x1000 [ 220.754230][ T5475] __arm64_sys_mount+0x514/0x5e4 [ 220.755662][ T5475] invoke_syscall+0x98/0x2b8 [ 220.756949][ T5475] el0_svc_common+0x138/0x258 [ 220.758213][ T5475] do_el0_svc+0x58/0x14c [ 220.759382][ T5475] el0_svc+0x78/0x1e0 [ 220.760469][ T5475] el0t_64_sync_handler+0xcc/0xe4 [ 220.761842][ T5475] el0t_64_sync+0x1a0/0x1a4 [ 220.763510][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.768708][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.032890][ T5477] loop1: detected capacity change from 0 to 32768 [ 221.083675][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.085919][ T5477] CPU: 1 PID: 5477 Comm: syz.1.277 Not tainted 5.15.184-syzkaller #0 [ 221.088160][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 221.090929][ T5477] Call trace: [ 221.091824][ T5477] dump_backtrace+0x0/0x43c [ 221.093143][ T5477] show_stack+0x2c/0x3c [ 221.094270][ T5477] __dump_stack+0x30/0x40 [ 221.095440][ T5477] dump_stack_lvl+0xf8/0x160 [ 221.096696][ T5477] dump_stack+0x1c/0x5c [ 221.097815][ T5477] sysfs_create_dir_ns+0x22c/0x24c [ 221.099209][ T5477] kobject_add_internal+0x590/0xc54 [ 221.100667][ T5477] kobject_init_and_add+0x118/0x17c [ 221.102118][ T5477] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.103436][ T5477] gfs2_fill_super+0xdac/0x19e0 [ 221.104773][ T5477] get_tree_bdev+0x358/0x544 [ 221.106013][ T5477] gfs2_get_tree+0x54/0x1b4 [ 221.107258][ T5477] vfs_get_tree+0x90/0x274 [ 221.108467][ T5477] do_new_mount+0x228/0x810 [ 221.109741][ T5477] path_mount+0x5b4/0x1000 [ 221.110976][ T5477] __arm64_sys_mount+0x514/0x5e4 [ 221.112331][ T5477] invoke_syscall+0x98/0x2b8 [ 221.113584][ T5477] el0_svc_common+0x138/0x258 [ 221.114885][ T5477] do_el0_svc+0x58/0x14c [ 221.116023][ T5477] el0_svc+0x78/0x1e0 [ 221.117065][ T5477] el0t_64_sync_handler+0xcc/0xe4 [ 221.118442][ T5477] el0t_64_sync+0x1a0/0x1a4 [ 221.122182][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.125873][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.383378][ T5479] loop1: detected capacity change from 0 to 32768 [ 221.443716][ T5479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.446638][ T5479] CPU: 0 PID: 5479 Comm: syz.1.278 Not tainted 5.15.184-syzkaller #0 [ 221.448807][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 221.451632][ T5479] Call trace: [ 221.452482][ T5479] dump_backtrace+0x0/0x43c [ 221.453697][ T5479] show_stack+0x2c/0x3c [ 221.454838][ T5479] __dump_stack+0x30/0x40 [ 221.456096][ T5479] dump_stack_lvl+0xf8/0x160 [ 221.457365][ T5479] dump_stack+0x1c/0x5c [ 221.458523][ T5479] sysfs_create_dir_ns+0x22c/0x24c [ 221.459962][ T5479] kobject_add_internal+0x590/0xc54 [ 221.461354][ T5479] kobject_init_and_add+0x118/0x17c [ 221.462822][ T5479] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.464121][ T5479] gfs2_fill_super+0xdac/0x19e0 [ 221.465466][ T5479] get_tree_bdev+0x358/0x544 [ 221.466722][ T5479] gfs2_get_tree+0x54/0x1b4 [ 221.467990][ T5479] vfs_get_tree+0x90/0x274 [ 221.469238][ T5479] do_new_mount+0x228/0x810 [ 221.470479][ T5479] path_mount+0x5b4/0x1000 [ 221.471709][ T5479] __arm64_sys_mount+0x514/0x5e4 [ 221.473090][ T5479] invoke_syscall+0x98/0x2b8 [ 221.474364][ T5479] el0_svc_common+0x138/0x258 [ 221.475663][ T5479] do_el0_svc+0x58/0x14c [ 221.476934][ T5479] el0_svc+0x78/0x1e0 [ 221.478022][ T5479] el0t_64_sync_handler+0xcc/0xe4 [ 221.479400][ T5479] el0t_64_sync+0x1a0/0x1a4 [ 221.481486][ T5479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.485258][ T5479] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.747421][ T5481] loop1: detected capacity change from 0 to 32768 [ 221.804267][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.806522][ T5481] CPU: 1 PID: 5481 Comm: syz.1.279 Not tainted 5.15.184-syzkaller #0 [ 221.808765][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 221.811522][ T5481] Call trace: [ 221.812396][ T5481] dump_backtrace+0x0/0x43c [ 221.813616][ T5481] show_stack+0x2c/0x3c [ 221.814759][ T5481] __dump_stack+0x30/0x40 [ 221.816027][ T5481] dump_stack_lvl+0xf8/0x160 [ 221.817212][ T5481] dump_stack+0x1c/0x5c [ 221.818330][ T5481] sysfs_create_dir_ns+0x22c/0x24c [ 221.819723][ T5481] kobject_add_internal+0x590/0xc54 [ 221.821170][ T5481] kobject_init_and_add+0x118/0x17c [ 221.822517][ T5481] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.823810][ T5481] gfs2_fill_super+0xdac/0x19e0 [ 221.825057][ T5481] get_tree_bdev+0x358/0x544 [ 221.826335][ T5481] gfs2_get_tree+0x54/0x1b4 [ 221.827555][ T5481] vfs_get_tree+0x90/0x274 [ 221.828710][ T5481] do_new_mount+0x228/0x810 [ 221.829948][ T5481] path_mount+0x5b4/0x1000 [ 221.831147][ T5481] __arm64_sys_mount+0x514/0x5e4 [ 221.832505][ T5481] invoke_syscall+0x98/0x2b8 [ 221.833729][ T5481] el0_svc_common+0x138/0x258 [ 221.835000][ T5481] do_el0_svc+0x58/0x14c [ 221.836163][ T5481] el0_svc+0x78/0x1e0 [ 221.837282][ T5481] el0t_64_sync_handler+0xcc/0xe4 [ 221.838676][ T5481] el0t_64_sync+0x1a0/0x1a4 [ 221.841493][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.845421][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.110504][ T5483] loop1: detected capacity change from 0 to 32768 [ 222.156783][ T5483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.158905][ T5483] CPU: 1 PID: 5483 Comm: syz.1.280 Not tainted 5.15.184-syzkaller #0 [ 222.161069][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 222.163717][ T5483] Call trace: [ 222.164627][ T5483] dump_backtrace+0x0/0x43c [ 222.165891][ T5483] show_stack+0x2c/0x3c [ 222.167109][ T5483] __dump_stack+0x30/0x40 [ 222.168265][ T5483] dump_stack_lvl+0xf8/0x160 [ 222.169432][ T5483] dump_stack+0x1c/0x5c [ 222.170590][ T5483] sysfs_create_dir_ns+0x22c/0x24c [ 222.172028][ T5483] kobject_add_internal+0x590/0xc54 [ 222.173417][ T5483] kobject_init_and_add+0x118/0x17c [ 222.174849][ T5483] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.176137][ T5483] gfs2_fill_super+0xdac/0x19e0 [ 222.177450][ T5483] get_tree_bdev+0x358/0x544 [ 222.178690][ T5483] gfs2_get_tree+0x54/0x1b4 [ 222.179939][ T5483] vfs_get_tree+0x90/0x274 [ 222.181148][ T5483] do_new_mount+0x228/0x810 [ 222.182381][ T5483] path_mount+0x5b4/0x1000 [ 222.183581][ T5483] __arm64_sys_mount+0x514/0x5e4 [ 222.184925][ T5483] invoke_syscall+0x98/0x2b8 [ 222.186239][ T5483] el0_svc_common+0x138/0x258 [ 222.187535][ T5483] do_el0_svc+0x58/0x14c [ 222.188692][ T5483] el0_svc+0x78/0x1e0 [ 222.189809][ T5483] el0t_64_sync_handler+0xcc/0xe4 [ 222.191201][ T5483] el0t_64_sync+0x1a0/0x1a4 [ 222.194541][ T5483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.198448][ T5483] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.563939][ T5485] loop1: detected capacity change from 0 to 32768 [ 222.634882][ T5485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.637075][ T5485] CPU: 0 PID: 5485 Comm: syz.1.281 Not tainted 5.15.184-syzkaller #0 [ 222.639336][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 222.642327][ T5485] Call trace: [ 222.643235][ T5485] dump_backtrace+0x0/0x43c [ 222.644435][ T5485] show_stack+0x2c/0x3c [ 222.645545][ T5485] __dump_stack+0x30/0x40 [ 222.646754][ T5485] dump_stack_lvl+0xf8/0x160 [ 222.647987][ T5485] dump_stack+0x1c/0x5c [ 222.649131][ T5485] sysfs_create_dir_ns+0x22c/0x24c [ 222.650565][ T5485] kobject_add_internal+0x590/0xc54 [ 222.652052][ T5485] kobject_init_and_add+0x118/0x17c [ 222.653506][ T5485] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.654833][ T5485] gfs2_fill_super+0xdac/0x19e0 [ 222.656132][ T5485] get_tree_bdev+0x358/0x544 [ 222.657391][ T5485] gfs2_get_tree+0x54/0x1b4 [ 222.658633][ T5485] vfs_get_tree+0x90/0x274 [ 222.659875][ T5485] do_new_mount+0x228/0x810 [ 222.661134][ T5485] path_mount+0x5b4/0x1000 [ 222.662348][ T5485] __arm64_sys_mount+0x514/0x5e4 [ 222.663689][ T5485] invoke_syscall+0x98/0x2b8 [ 222.665030][ T5485] el0_svc_common+0x138/0x258 [ 222.666306][ T5485] do_el0_svc+0x58/0x14c [ 222.667455][ T5485] el0_svc+0x78/0x1e0 [ 222.668533][ T5485] el0t_64_sync_handler+0xcc/0xe4 [ 222.669913][ T5485] el0t_64_sync+0x1a0/0x1a4 [ 222.672108][ T5485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.676088][ T5485] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.943418][ T5487] loop1: detected capacity change from 0 to 32768 [ 223.006110][ T5487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.008342][ T5487] CPU: 1 PID: 5487 Comm: syz.1.282 Not tainted 5.15.184-syzkaller #0 [ 223.010601][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.013444][ T5487] Call trace: [ 223.014340][ T5487] dump_backtrace+0x0/0x43c [ 223.015555][ T5487] show_stack+0x2c/0x3c [ 223.016705][ T5487] __dump_stack+0x30/0x40 [ 223.017937][ T5487] dump_stack_lvl+0xf8/0x160 [ 223.019291][ T5487] dump_stack+0x1c/0x5c [ 223.020499][ T5487] sysfs_create_dir_ns+0x22c/0x24c [ 223.021961][ T5487] kobject_add_internal+0x590/0xc54 [ 223.023368][ T5487] kobject_init_and_add+0x118/0x17c [ 223.024764][ T5487] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.026041][ T5487] gfs2_fill_super+0xdac/0x19e0 [ 223.027357][ T5487] get_tree_bdev+0x358/0x544 [ 223.028640][ T5487] gfs2_get_tree+0x54/0x1b4 [ 223.029880][ T5487] vfs_get_tree+0x90/0x274 [ 223.031101][ T5487] do_new_mount+0x228/0x810 [ 223.032327][ T5487] path_mount+0x5b4/0x1000 [ 223.033577][ T5487] __arm64_sys_mount+0x514/0x5e4 [ 223.035000][ T5487] invoke_syscall+0x98/0x2b8 [ 223.036355][ T5487] el0_svc_common+0x138/0x258 [ 223.037623][ T5487] do_el0_svc+0x58/0x14c [ 223.038799][ T5487] el0_svc+0x78/0x1e0 [ 223.039916][ T5487] el0t_64_sync_handler+0xcc/0xe4 [ 223.041303][ T5487] el0t_64_sync+0x1a0/0x1a4 [ 223.043273][ T5487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.047074][ T5487] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.318238][ T5489] loop1: detected capacity change from 0 to 32768 [ 223.357325][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.359524][ T5489] CPU: 1 PID: 5489 Comm: syz.1.283 Not tainted 5.15.184-syzkaller #0 [ 223.361781][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.364519][ T5489] Call trace: [ 223.365385][ T5489] dump_backtrace+0x0/0x43c [ 223.366661][ T5489] show_stack+0x2c/0x3c [ 223.367806][ T5489] __dump_stack+0x30/0x40 [ 223.368968][ T5489] dump_stack_lvl+0xf8/0x160 [ 223.370199][ T5489] dump_stack+0x1c/0x5c [ 223.371395][ T5489] sysfs_create_dir_ns+0x22c/0x24c [ 223.372815][ T5489] kobject_add_internal+0x590/0xc54 [ 223.374272][ T5489] kobject_init_and_add+0x118/0x17c [ 223.375698][ T5489] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.377031][ T5489] gfs2_fill_super+0xdac/0x19e0 [ 223.378333][ T5489] get_tree_bdev+0x358/0x544 [ 223.379658][ T5489] gfs2_get_tree+0x54/0x1b4 [ 223.380946][ T5489] vfs_get_tree+0x90/0x274 [ 223.382155][ T5489] do_new_mount+0x228/0x810 [ 223.383459][ T5489] path_mount+0x5b4/0x1000 [ 223.384705][ T5489] __arm64_sys_mount+0x514/0x5e4 [ 223.386183][ T5489] invoke_syscall+0x98/0x2b8 [ 223.387487][ T5489] el0_svc_common+0x138/0x258 [ 223.388876][ T5489] do_el0_svc+0x58/0x14c [ 223.390132][ T5489] el0_svc+0x78/0x1e0 [ 223.391214][ T5489] el0t_64_sync_handler+0xcc/0xe4 [ 223.392572][ T5489] el0t_64_sync+0x1a0/0x1a4 [ 223.403907][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.407841][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.676834][ T5491] loop1: detected capacity change from 0 to 32768 [ 223.733174][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.735409][ T5491] CPU: 0 PID: 5491 Comm: syz.1.284 Not tainted 5.15.184-syzkaller #0 [ 223.737573][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.740265][ T5491] Call trace: [ 223.741172][ T5491] dump_backtrace+0x0/0x43c [ 223.742373][ T5491] show_stack+0x2c/0x3c [ 223.743542][ T5491] __dump_stack+0x30/0x40 [ 223.744709][ T5491] dump_stack_lvl+0xf8/0x160 [ 223.745940][ T5491] dump_stack+0x1c/0x5c [ 223.747067][ T5491] sysfs_create_dir_ns+0x22c/0x24c [ 223.748430][ T5491] kobject_add_internal+0x590/0xc54 [ 223.749925][ T5491] kobject_init_and_add+0x118/0x17c [ 223.751308][ T5491] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.752623][ T5491] gfs2_fill_super+0xdac/0x19e0 [ 223.754026][ T5491] get_tree_bdev+0x358/0x544 [ 223.755323][ T5491] gfs2_get_tree+0x54/0x1b4 [ 223.756618][ T5491] vfs_get_tree+0x90/0x274 [ 223.757879][ T5491] do_new_mount+0x228/0x810 [ 223.759114][ T5491] path_mount+0x5b4/0x1000 [ 223.760334][ T5491] __arm64_sys_mount+0x514/0x5e4 [ 223.761689][ T5491] invoke_syscall+0x98/0x2b8 [ 223.763001][ T5491] el0_svc_common+0x138/0x258 [ 223.764338][ T5491] do_el0_svc+0x58/0x14c [ 223.765505][ T5491] el0_svc+0x78/0x1e0 [ 223.766581][ T5491] el0t_64_sync_handler+0xcc/0xe4 [ 223.767994][ T5491] el0t_64_sync+0x1a0/0x1a4 [ 223.772541][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.776220][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.042973][ T5493] loop1: detected capacity change from 0 to 32768 [ 224.092245][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.095738][ T5493] CPU: 0 PID: 5493 Comm: syz.1.285 Not tainted 5.15.184-syzkaller #0 [ 224.098099][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.100878][ T5493] Call trace: [ 224.101804][ T5493] dump_backtrace+0x0/0x43c [ 224.103095][ T5493] show_stack+0x2c/0x3c [ 224.104352][ T5493] __dump_stack+0x30/0x40 [ 224.105603][ T5493] dump_stack_lvl+0xf8/0x160 [ 224.106905][ T5493] dump_stack+0x1c/0x5c [ 224.108034][ T5493] sysfs_create_dir_ns+0x22c/0x24c [ 224.109437][ T5493] kobject_add_internal+0x590/0xc54 [ 224.110896][ T5493] kobject_init_and_add+0x118/0x17c [ 224.112425][ T5493] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.113756][ T5493] gfs2_fill_super+0xdac/0x19e0 [ 224.115168][ T5493] get_tree_bdev+0x358/0x544 [ 224.116488][ T5493] gfs2_get_tree+0x54/0x1b4 [ 224.117776][ T5493] vfs_get_tree+0x90/0x274 [ 224.119047][ T5493] do_new_mount+0x228/0x810 [ 224.120295][ T5493] path_mount+0x5b4/0x1000 [ 224.121528][ T5493] __arm64_sys_mount+0x514/0x5e4 [ 224.122900][ T5493] invoke_syscall+0x98/0x2b8 [ 224.124200][ T5493] el0_svc_common+0x138/0x258 [ 224.125541][ T5493] do_el0_svc+0x58/0x14c [ 224.126729][ T5493] el0_svc+0x78/0x1e0 [ 224.127860][ T5493] el0t_64_sync_handler+0xcc/0xe4 [ 224.129267][ T5493] el0t_64_sync+0x1a0/0x1a4 [ 224.133199][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.136998][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.408794][ T5495] loop1: detected capacity change from 0 to 32768 [ 224.423255][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.425695][ T5495] CPU: 1 PID: 5495 Comm: syz.1.286 Not tainted 5.15.184-syzkaller #0 [ 224.427905][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.430649][ T5495] Call trace: [ 224.431505][ T5495] dump_backtrace+0x0/0x43c [ 224.432810][ T5495] show_stack+0x2c/0x3c [ 224.433987][ T5495] __dump_stack+0x30/0x40 [ 224.435147][ T5495] dump_stack_lvl+0xf8/0x160 [ 224.436427][ T5495] dump_stack+0x1c/0x5c [ 224.437553][ T5495] sysfs_create_dir_ns+0x22c/0x24c [ 224.439020][ T5495] kobject_add_internal+0x590/0xc54 [ 224.440453][ T5495] kobject_init_and_add+0x118/0x17c [ 224.441816][ T5495] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.443139][ T5495] gfs2_fill_super+0xdac/0x19e0 [ 224.444501][ T5495] get_tree_bdev+0x358/0x544 [ 224.445776][ T5495] gfs2_get_tree+0x54/0x1b4 [ 224.447043][ T5495] vfs_get_tree+0x90/0x274 [ 224.448276][ T5495] do_new_mount+0x228/0x810 [ 224.449574][ T5495] path_mount+0x5b4/0x1000 [ 224.450841][ T5495] __arm64_sys_mount+0x514/0x5e4 [ 224.452220][ T5495] invoke_syscall+0x98/0x2b8 [ 224.453540][ T5495] el0_svc_common+0x138/0x258 [ 224.454839][ T5495] do_el0_svc+0x58/0x14c [ 224.456056][ T5495] el0_svc+0x78/0x1e0 [ 224.457182][ T5495] el0t_64_sync_handler+0xcc/0xe4 [ 224.458560][ T5495] el0t_64_sync+0x1a0/0x1a4 [ 224.460596][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.464261][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.763997][ T5497] loop1: detected capacity change from 0 to 32768 [ 224.777397][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.779607][ T5497] CPU: 1 PID: 5497 Comm: syz.1.287 Not tainted 5.15.184-syzkaller #0 [ 224.781858][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.784779][ T5497] Call trace: [ 224.785707][ T5497] dump_backtrace+0x0/0x43c [ 224.786935][ T5497] show_stack+0x2c/0x3c [ 224.788075][ T5497] __dump_stack+0x30/0x40 [ 224.789240][ T5497] dump_stack_lvl+0xf8/0x160 [ 224.790480][ T5497] dump_stack+0x1c/0x5c [ 224.791605][ T5497] sysfs_create_dir_ns+0x22c/0x24c [ 224.793049][ T5497] kobject_add_internal+0x590/0xc54 [ 224.794504][ T5497] kobject_init_and_add+0x118/0x17c [ 224.795954][ T5497] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.797243][ T5497] gfs2_fill_super+0xdac/0x19e0 [ 224.798555][ T5497] get_tree_bdev+0x358/0x544 [ 224.799823][ T5497] gfs2_get_tree+0x54/0x1b4 [ 224.801013][ T5497] vfs_get_tree+0x90/0x274 [ 224.802225][ T5497] do_new_mount+0x228/0x810 [ 224.803623][ T5497] path_mount+0x5b4/0x1000 [ 224.804923][ T5497] __arm64_sys_mount+0x514/0x5e4 [ 224.806237][ T5497] invoke_syscall+0x98/0x2b8 [ 224.807485][ T5497] el0_svc_common+0x138/0x258 [ 224.808728][ T5497] do_el0_svc+0x58/0x14c [ 224.809955][ T5497] el0_svc+0x78/0x1e0 [ 224.811052][ T5497] el0t_64_sync_handler+0xcc/0xe4 [ 224.812421][ T5497] el0t_64_sync+0x1a0/0x1a4 [ 224.816687][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.820325][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.088411][ T5499] loop1: detected capacity change from 0 to 32768 [ 225.093293][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.095543][ T5499] CPU: 1 PID: 5499 Comm: syz.1.288 Not tainted 5.15.184-syzkaller #0 [ 225.097686][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 225.100362][ T5499] Call trace: [ 225.101301][ T5499] dump_backtrace+0x0/0x43c [ 225.102564][ T5499] show_stack+0x2c/0x3c [ 225.103740][ T5499] __dump_stack+0x30/0x40 [ 225.104957][ T5499] dump_stack_lvl+0xf8/0x160 [ 225.106238][ T5499] dump_stack+0x1c/0x5c [ 225.107387][ T5499] sysfs_create_dir_ns+0x22c/0x24c [ 225.108857][ T5499] kobject_add_internal+0x590/0xc54 [ 225.110291][ T5499] kobject_init_and_add+0x118/0x17c [ 225.111702][ T5499] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.113023][ T5499] gfs2_fill_super+0xdac/0x19e0 [ 225.114404][ T5499] get_tree_bdev+0x358/0x544 [ 225.115663][ T5499] gfs2_get_tree+0x54/0x1b4 [ 225.116875][ T5499] vfs_get_tree+0x90/0x274 [ 225.118078][ T5499] do_new_mount+0x228/0x810 [ 225.119338][ T5499] path_mount+0x5b4/0x1000 [ 225.120517][ T5499] __arm64_sys_mount+0x514/0x5e4 [ 225.121858][ T5499] invoke_syscall+0x98/0x2b8 [ 225.123112][ T5499] el0_svc_common+0x138/0x258 [ 225.124376][ T5499] do_el0_svc+0x58/0x14c [ 225.125561][ T5499] el0_svc+0x78/0x1e0 [ 225.126615][ T5499] el0t_64_sync_handler+0xcc/0xe4 [ 225.128009][ T5499] el0t_64_sync+0x1a0/0x1a4 [ 225.134664][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.138316][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.285214][ T4134] Bluetooth: hci0: command 0x0406 tx timeout [ 225.412825][ T5501] loop1: detected capacity change from 0 to 32768 [ 225.465669][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.467900][ T5501] CPU: 1 PID: 5501 Comm: syz.1.289 Not tainted 5.15.184-syzkaller #0 [ 225.470049][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 225.472886][ T5501] Call trace: [ 225.473738][ T5501] dump_backtrace+0x0/0x43c [ 225.475009][ T5501] show_stack+0x2c/0x3c [ 225.476149][ T5501] __dump_stack+0x30/0x40 [ 225.477369][ T5501] dump_stack_lvl+0xf8/0x160 [ 225.478656][ T5501] dump_stack+0x1c/0x5c [ 225.479822][ T5501] sysfs_create_dir_ns+0x22c/0x24c [ 225.481197][ T5501] kobject_add_internal+0x590/0xc54 [ 225.482620][ T5501] kobject_init_and_add+0x118/0x17c [ 225.484069][ T5501] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.485432][ T5501] gfs2_fill_super+0xdac/0x19e0 [ 225.486810][ T5501] get_tree_bdev+0x358/0x544 [ 225.488085][ T5501] gfs2_get_tree+0x54/0x1b4 [ 225.489328][ T5501] vfs_get_tree+0x90/0x274 [ 225.490570][ T5501] do_new_mount+0x228/0x810 [ 225.491901][ T5501] path_mount+0x5b4/0x1000 [ 225.493078][ T5501] __arm64_sys_mount+0x514/0x5e4 [ 225.494449][ T5501] invoke_syscall+0x98/0x2b8 [ 225.495702][ T5501] el0_svc_common+0x138/0x258 [ 225.496986][ T5501] do_el0_svc+0x58/0x14c [ 225.498144][ T5501] el0_svc+0x78/0x1e0 [ 225.499212][ T5501] el0t_64_sync_handler+0xcc/0xe4 [ 225.500545][ T5501] el0t_64_sync+0x1a0/0x1a4 [ 225.504416][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.508169][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:45 executed programs: 276 [ 225.799792][ T5503] loop1: detected capacity change from 0 to 32768 [ 225.865341][ T5503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.867573][ T5503] CPU: 1 PID: 5503 Comm: syz.1.290 Not tainted 5.15.184-syzkaller #0 [ 225.870044][ T5503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 225.873143][ T5503] Call trace: [ 225.874108][ T5503] dump_backtrace+0x0/0x43c [ 225.875490][ T5503] show_stack+0x2c/0x3c [ 225.876781][ T5503] __dump_stack+0x30/0x40 [ 225.878086][ T5503] dump_stack_lvl+0xf8/0x160 [ 225.879444][ T5503] dump_stack+0x1c/0x5c [ 225.880673][ T5503] sysfs_create_dir_ns+0x22c/0x24c [ 225.882251][ T5503] kobject_add_internal+0x590/0xc54 [ 225.883882][ T5503] kobject_init_and_add+0x118/0x17c [ 225.885485][ T5503] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.886904][ T5503] gfs2_fill_super+0xdac/0x19e0 [ 225.888346][ T5503] get_tree_bdev+0x358/0x544 [ 225.889794][ T5503] gfs2_get_tree+0x54/0x1b4 [ 225.891106][ T5503] vfs_get_tree+0x90/0x274 [ 225.892427][ T5503] do_new_mount+0x228/0x810 [ 225.893813][ T5503] path_mount+0x5b4/0x1000 [ 225.895150][ T5503] __arm64_sys_mount+0x514/0x5e4 [ 225.896700][ T5503] invoke_syscall+0x98/0x2b8 [ 225.898044][ T5503] el0_svc_common+0x138/0x258 [ 225.899444][ T5503] do_el0_svc+0x58/0x14c [ 225.900678][ T5503] el0_svc+0x78/0x1e0 [ 225.901889][ T5503] el0t_64_sync_handler+0xcc/0xe4 [ 225.903341][ T5503] el0t_64_sync+0x1a0/0x1a4 [ 225.906822][ T5503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.911354][ T5503] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.182366][ T5505] loop1: detected capacity change from 0 to 32768 [ 226.224262][ T5505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.226480][ T5505] CPU: 1 PID: 5505 Comm: syz.1.291 Not tainted 5.15.184-syzkaller #0 [ 226.228661][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 226.231340][ T5505] Call trace: [ 226.232188][ T5505] dump_backtrace+0x0/0x43c [ 226.233410][ T5505] show_stack+0x2c/0x3c [ 226.234529][ T5505] __dump_stack+0x30/0x40 [ 226.235712][ T5505] dump_stack_lvl+0xf8/0x160 [ 226.236987][ T5505] dump_stack+0x1c/0x5c [ 226.238114][ T5505] sysfs_create_dir_ns+0x22c/0x24c [ 226.239572][ T5505] kobject_add_internal+0x590/0xc54 [ 226.241072][ T5505] kobject_init_and_add+0x118/0x17c [ 226.242524][ T5505] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.243801][ T5505] gfs2_fill_super+0xdac/0x19e0 [ 226.245137][ T5505] get_tree_bdev+0x358/0x544 [ 226.246392][ T5505] gfs2_get_tree+0x54/0x1b4 [ 226.247617][ T5505] vfs_get_tree+0x90/0x274 [ 226.248871][ T5505] do_new_mount+0x228/0x810 [ 226.250112][ T5505] path_mount+0x5b4/0x1000 [ 226.251307][ T5505] __arm64_sys_mount+0x514/0x5e4 [ 226.252640][ T5505] invoke_syscall+0x98/0x2b8 [ 226.253926][ T5505] el0_svc_common+0x138/0x258 [ 226.255201][ T5505] do_el0_svc+0x58/0x14c [ 226.256346][ T5505] el0_svc+0x78/0x1e0 [ 226.257411][ T5505] el0t_64_sync_handler+0xcc/0xe4 [ 226.258764][ T5505] el0t_64_sync+0x1a0/0x1a4 [ 226.262183][ T5505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.266074][ T5505] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.528795][ T5507] loop1: detected capacity change from 0 to 32768 [ 226.622391][ T5507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.624584][ T5507] CPU: 0 PID: 5507 Comm: syz.1.292 Not tainted 5.15.184-syzkaller #0 [ 226.626904][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 226.629925][ T5507] Call trace: [ 226.630842][ T5507] dump_backtrace+0x0/0x43c [ 226.632118][ T5507] show_stack+0x2c/0x3c [ 226.633242][ T5507] __dump_stack+0x30/0x40 [ 226.634424][ T5507] dump_stack_lvl+0xf8/0x160 [ 226.635659][ T5507] dump_stack+0x1c/0x5c [ 226.636912][ T5507] sysfs_create_dir_ns+0x22c/0x24c [ 226.638351][ T5507] kobject_add_internal+0x590/0xc54 [ 226.639778][ T5507] kobject_init_and_add+0x118/0x17c [ 226.641210][ T5507] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.642524][ T5507] gfs2_fill_super+0xdac/0x19e0 [ 226.643816][ T5507] get_tree_bdev+0x358/0x544 [ 226.645134][ T5507] gfs2_get_tree+0x54/0x1b4 [ 226.646392][ T5507] vfs_get_tree+0x90/0x274 [ 226.647606][ T5507] do_new_mount+0x228/0x810 [ 226.648859][ T5507] path_mount+0x5b4/0x1000 [ 226.650210][ T5507] __arm64_sys_mount+0x514/0x5e4 [ 226.651574][ T5507] invoke_syscall+0x98/0x2b8 [ 226.652831][ T5507] el0_svc_common+0x138/0x258 [ 226.654132][ T5507] do_el0_svc+0x58/0x14c [ 226.655352][ T5507] el0_svc+0x78/0x1e0 [ 226.656442][ T5507] el0t_64_sync_handler+0xcc/0xe4 [ 226.657835][ T5507] el0t_64_sync+0x1a0/0x1a4 [ 226.662111][ T5507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.665833][ T5507] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.973714][ T5509] loop1: detected capacity change from 0 to 32768 [ 227.033503][ T5509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.035954][ T5509] CPU: 0 PID: 5509 Comm: syz.1.293 Not tainted 5.15.184-syzkaller #0 [ 227.038215][ T5509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 227.040862][ T5509] Call trace: [ 227.041702][ T5509] dump_backtrace+0x0/0x43c [ 227.042956][ T5509] show_stack+0x2c/0x3c [ 227.044061][ T5509] __dump_stack+0x30/0x40 [ 227.045186][ T5509] dump_stack_lvl+0xf8/0x160 [ 227.046411][ T5509] dump_stack+0x1c/0x5c [ 227.047623][ T5509] sysfs_create_dir_ns+0x22c/0x24c [ 227.049106][ T5509] kobject_add_internal+0x590/0xc54 [ 227.050480][ T5509] kobject_init_and_add+0x118/0x17c [ 227.052004][ T5509] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.053315][ T5509] gfs2_fill_super+0xdac/0x19e0 [ 227.054620][ T5509] get_tree_bdev+0x358/0x544 [ 227.055914][ T5509] gfs2_get_tree+0x54/0x1b4 [ 227.057163][ T5509] vfs_get_tree+0x90/0x274 [ 227.058375][ T5509] do_new_mount+0x228/0x810 [ 227.059605][ T5509] path_mount+0x5b4/0x1000 [ 227.060821][ T5509] __arm64_sys_mount+0x514/0x5e4 [ 227.062212][ T5509] invoke_syscall+0x98/0x2b8 [ 227.063530][ T5509] el0_svc_common+0x138/0x258 [ 227.064826][ T5509] do_el0_svc+0x58/0x14c [ 227.065997][ T5509] el0_svc+0x78/0x1e0 [ 227.067089][ T5509] el0t_64_sync_handler+0xcc/0xe4 [ 227.068536][ T5509] el0t_64_sync+0x1a0/0x1a4 [ 227.072014][ T5509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.076773][ T5509] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.351700][ T5511] loop1: detected capacity change from 0 to 32768 [ 227.403410][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.406742][ T5511] CPU: 1 PID: 5511 Comm: syz.1.294 Not tainted 5.15.184-syzkaller #0 [ 227.409286][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 227.412117][ T5511] Call trace: [ 227.413017][ T5511] dump_backtrace+0x0/0x43c [ 227.414318][ T5511] show_stack+0x2c/0x3c [ 227.415541][ T5511] __dump_stack+0x30/0x40 [ 227.416822][ T5511] dump_stack_lvl+0xf8/0x160 [ 227.418299][ T5511] dump_stack+0x1c/0x5c [ 227.419556][ T5511] sysfs_create_dir_ns+0x22c/0x24c [ 227.421004][ T5511] kobject_add_internal+0x590/0xc54 [ 227.422706][ T5511] kobject_init_and_add+0x118/0x17c [ 227.424118][ T5511] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.425426][ T5511] gfs2_fill_super+0xdac/0x19e0 [ 227.426827][ T5511] get_tree_bdev+0x358/0x544 [ 227.428106][ T5511] gfs2_get_tree+0x54/0x1b4 [ 227.429368][ T5511] vfs_get_tree+0x90/0x274 [ 227.430547][ T5511] do_new_mount+0x228/0x810 [ 227.431770][ T5511] path_mount+0x5b4/0x1000 [ 227.433061][ T5511] __arm64_sys_mount+0x514/0x5e4 [ 227.434406][ T5511] invoke_syscall+0x98/0x2b8 [ 227.435672][ T5511] el0_svc_common+0x138/0x258 [ 227.437046][ T5511] do_el0_svc+0x58/0x14c [ 227.438191][ T5511] el0_svc+0x78/0x1e0 [ 227.439319][ T5511] el0t_64_sync_handler+0xcc/0xe4 [ 227.440697][ T5511] el0t_64_sync+0x1a0/0x1a4 [ 227.442396][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.446987][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.712185][ T5513] loop1: detected capacity change from 0 to 32768 [ 227.766682][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.769015][ T5513] CPU: 0 PID: 5513 Comm: syz.1.295 Not tainted 5.15.184-syzkaller #0 [ 227.771213][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 227.773879][ T5513] Call trace: [ 227.774697][ T5513] dump_backtrace+0x0/0x43c [ 227.776059][ T5513] show_stack+0x2c/0x3c [ 227.777224][ T5513] __dump_stack+0x30/0x40 [ 227.778432][ T5513] dump_stack_lvl+0xf8/0x160 [ 227.779814][ T5513] dump_stack+0x1c/0x5c [ 227.780967][ T5513] sysfs_create_dir_ns+0x22c/0x24c [ 227.782399][ T5513] kobject_add_internal+0x590/0xc54 [ 227.783938][ T5513] kobject_init_and_add+0x118/0x17c [ 227.785396][ T5513] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.786651][ T5513] gfs2_fill_super+0xdac/0x19e0 [ 227.787967][ T5513] get_tree_bdev+0x358/0x544 [ 227.789184][ T5513] gfs2_get_tree+0x54/0x1b4 [ 227.790356][ T5513] vfs_get_tree+0x90/0x274 [ 227.791600][ T5513] do_new_mount+0x228/0x810 [ 227.792844][ T5513] path_mount+0x5b4/0x1000 [ 227.794037][ T5513] __arm64_sys_mount+0x514/0x5e4 [ 227.795338][ T5513] invoke_syscall+0x98/0x2b8 [ 227.796582][ T5513] el0_svc_common+0x138/0x258 [ 227.797897][ T5513] do_el0_svc+0x58/0x14c [ 227.799060][ T5513] el0_svc+0x78/0x1e0 [ 227.800125][ T5513] el0t_64_sync_handler+0xcc/0xe4 [ 227.801513][ T5513] el0t_64_sync+0x1a0/0x1a4 [ 227.802930][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.806626][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.067306][ T5515] loop1: detected capacity change from 0 to 32768 [ 228.183104][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.185549][ T5515] CPU: 1 PID: 5515 Comm: syz.1.296 Not tainted 5.15.184-syzkaller #0 [ 228.187753][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 228.190458][ T5515] Call trace: [ 228.191329][ T5515] dump_backtrace+0x0/0x43c [ 228.192538][ T5515] show_stack+0x2c/0x3c [ 228.193725][ T5515] __dump_stack+0x30/0x40 [ 228.194904][ T5515] dump_stack_lvl+0xf8/0x160 [ 228.196169][ T5515] dump_stack+0x1c/0x5c [ 228.197329][ T5515] sysfs_create_dir_ns+0x22c/0x24c [ 228.198704][ T5515] kobject_add_internal+0x590/0xc54 [ 228.200136][ T5515] kobject_init_and_add+0x118/0x17c [ 228.201574][ T5515] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.202931][ T5515] gfs2_fill_super+0xdac/0x19e0 [ 228.204278][ T5515] get_tree_bdev+0x358/0x544 [ 228.205580][ T5515] gfs2_get_tree+0x54/0x1b4 [ 228.206893][ T5515] vfs_get_tree+0x90/0x274 [ 228.208105][ T5515] do_new_mount+0x228/0x810 [ 228.209350][ T5515] path_mount+0x5b4/0x1000 [ 228.210555][ T5515] __arm64_sys_mount+0x514/0x5e4 [ 228.212003][ T5515] invoke_syscall+0x98/0x2b8 [ 228.213267][ T5515] el0_svc_common+0x138/0x258 [ 228.214545][ T5515] do_el0_svc+0x58/0x14c [ 228.215724][ T5515] el0_svc+0x78/0x1e0 [ 228.216839][ T5515] el0t_64_sync_handler+0xcc/0xe4 [ 228.218209][ T5515] el0t_64_sync+0x1a0/0x1a4 [ 228.221615][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.225193][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.501651][ T5517] loop1: detected capacity change from 0 to 32768 [ 228.554534][ T5517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.556855][ T5517] CPU: 0 PID: 5517 Comm: syz.1.297 Not tainted 5.15.184-syzkaller #0 [ 228.559022][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 228.561612][ T5517] Call trace: [ 228.562445][ T5517] dump_backtrace+0x0/0x43c [ 228.563572][ T5517] show_stack+0x2c/0x3c [ 228.564631][ T5517] __dump_stack+0x30/0x40 [ 228.565820][ T5517] dump_stack_lvl+0xf8/0x160 [ 228.567046][ T5517] dump_stack+0x1c/0x5c [ 228.568154][ T5517] sysfs_create_dir_ns+0x22c/0x24c [ 228.569592][ T5517] kobject_add_internal+0x590/0xc54 [ 228.570995][ T5517] kobject_init_and_add+0x118/0x17c [ 228.572415][ T5517] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.573684][ T5517] gfs2_fill_super+0xdac/0x19e0 [ 228.575034][ T5517] get_tree_bdev+0x358/0x544 [ 228.576208][ T5517] gfs2_get_tree+0x54/0x1b4 [ 228.577386][ T5517] vfs_get_tree+0x90/0x274 [ 228.578535][ T5517] do_new_mount+0x228/0x810 [ 228.579688][ T5517] path_mount+0x5b4/0x1000 [ 228.580932][ T5517] __arm64_sys_mount+0x514/0x5e4 [ 228.582236][ T5517] invoke_syscall+0x98/0x2b8 [ 228.583482][ T5517] el0_svc_common+0x138/0x258 [ 228.584702][ T5517] do_el0_svc+0x58/0x14c [ 228.585841][ T5517] el0_svc+0x78/0x1e0 [ 228.586862][ T5517] el0t_64_sync_handler+0xcc/0xe4 [ 228.588183][ T5517] el0t_64_sync+0x1a0/0x1a4 [ 228.591839][ T5517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.595378][ T5517] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.910195][ T5519] loop1: detected capacity change from 0 to 32768 [ 228.960297][ T5519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.962341][ T5519] CPU: 0 PID: 5519 Comm: syz.1.298 Not tainted 5.15.184-syzkaller #0 [ 228.964616][ T5519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 228.967434][ T5519] Call trace: [ 228.968360][ T5519] dump_backtrace+0x0/0x43c [ 228.969641][ T5519] show_stack+0x2c/0x3c [ 228.970766][ T5519] __dump_stack+0x30/0x40 [ 228.972006][ T5519] dump_stack_lvl+0xf8/0x160 [ 228.973286][ T5519] dump_stack+0x1c/0x5c [ 228.974444][ T5519] sysfs_create_dir_ns+0x22c/0x24c [ 228.975866][ T5519] kobject_add_internal+0x590/0xc54 [ 228.977318][ T5519] kobject_init_and_add+0x118/0x17c [ 228.978735][ T5519] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.980114][ T5519] gfs2_fill_super+0xdac/0x19e0 [ 228.981466][ T5519] get_tree_bdev+0x358/0x544 [ 228.982740][ T5519] gfs2_get_tree+0x54/0x1b4 [ 228.983971][ T5519] vfs_get_tree+0x90/0x274 [ 228.985234][ T5519] do_new_mount+0x228/0x810 [ 228.986481][ T5519] path_mount+0x5b4/0x1000 [ 228.987752][ T5519] __arm64_sys_mount+0x514/0x5e4 [ 228.989099][ T5519] invoke_syscall+0x98/0x2b8 [ 228.990370][ T5519] el0_svc_common+0x138/0x258 [ 228.991681][ T5519] do_el0_svc+0x58/0x14c [ 228.992875][ T5519] el0_svc+0x78/0x1e0 [ 228.993982][ T5519] el0t_64_sync_handler+0xcc/0xe4 [ 228.995373][ T5519] el0t_64_sync+0x1a0/0x1a4 [ 229.002791][ T5519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.006417][ T5519] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.335334][ T5521] loop1: detected capacity change from 0 to 32768 [ 229.384475][ T5521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.386791][ T5521] CPU: 1 PID: 5521 Comm: syz.1.299 Not tainted 5.15.184-syzkaller #0 [ 229.389056][ T5521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 229.391867][ T5521] Call trace: [ 229.392729][ T5521] dump_backtrace+0x0/0x43c [ 229.394031][ T5521] show_stack+0x2c/0x3c [ 229.395178][ T5521] __dump_stack+0x30/0x40 [ 229.396355][ T5521] dump_stack_lvl+0xf8/0x160 [ 229.397568][ T5521] dump_stack+0x1c/0x5c [ 229.398724][ T5521] sysfs_create_dir_ns+0x22c/0x24c [ 229.400175][ T5521] kobject_add_internal+0x590/0xc54 [ 229.401584][ T5521] kobject_init_and_add+0x118/0x17c [ 229.403072][ T5521] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.404365][ T5521] gfs2_fill_super+0xdac/0x19e0 [ 229.405724][ T5521] get_tree_bdev+0x358/0x544 [ 229.407018][ T5521] gfs2_get_tree+0x54/0x1b4 [ 229.408221][ T5521] vfs_get_tree+0x90/0x274 [ 229.409407][ T5521] do_new_mount+0x228/0x810 [ 229.410693][ T5521] path_mount+0x5b4/0x1000 [ 229.411917][ T5521] __arm64_sys_mount+0x514/0x5e4 [ 229.413256][ T5521] invoke_syscall+0x98/0x2b8 [ 229.414528][ T5521] el0_svc_common+0x138/0x258 [ 229.415799][ T5521] do_el0_svc+0x58/0x14c [ 229.417054][ T5521] el0_svc+0x78/0x1e0 [ 229.418154][ T5521] el0t_64_sync_handler+0xcc/0xe4 [ 229.419472][ T5521] el0t_64_sync+0x1a0/0x1a4 [ 229.422510][ T5521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.426218][ T5521] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.728164][ T5523] loop1: detected capacity change from 0 to 32768 [ 229.795050][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.797190][ T5523] CPU: 0 PID: 5523 Comm: syz.1.300 Not tainted 5.15.184-syzkaller #0 [ 229.799385][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 229.802140][ T5523] Call trace: [ 229.803064][ T5523] dump_backtrace+0x0/0x43c [ 229.804296][ T5523] show_stack+0x2c/0x3c [ 229.805539][ T5523] __dump_stack+0x30/0x40 [ 229.806718][ T5523] dump_stack_lvl+0xf8/0x160 [ 229.808016][ T5523] dump_stack+0x1c/0x5c [ 229.809178][ T5523] sysfs_create_dir_ns+0x22c/0x24c [ 229.810697][ T5523] kobject_add_internal+0x590/0xc54 [ 229.812150][ T5523] kobject_init_and_add+0x118/0x17c [ 229.813529][ T5523] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.814859][ T5523] gfs2_fill_super+0xdac/0x19e0 [ 229.816137][ T5523] get_tree_bdev+0x358/0x544 [ 229.817369][ T5523] gfs2_get_tree+0x54/0x1b4 [ 229.818601][ T5523] vfs_get_tree+0x90/0x274 [ 229.819789][ T5523] do_new_mount+0x228/0x810 [ 229.821001][ T5523] path_mount+0x5b4/0x1000 [ 229.822207][ T5523] __arm64_sys_mount+0x514/0x5e4 [ 229.823540][ T5523] invoke_syscall+0x98/0x2b8 [ 229.824762][ T5523] el0_svc_common+0x138/0x258 [ 229.826033][ T5523] do_el0_svc+0x58/0x14c [ 229.827143][ T5523] el0_svc+0x78/0x1e0 [ 229.828243][ T5523] el0t_64_sync_handler+0xcc/0xe4 [ 229.829626][ T5523] el0t_64_sync+0x1a0/0x1a4 [ 229.833287][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.837018][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.098605][ T5525] loop1: detected capacity change from 0 to 32768 [ 230.155856][ T5525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.158284][ T5525] CPU: 1 PID: 5525 Comm: syz.1.301 Not tainted 5.15.184-syzkaller #0 [ 230.160522][ T5525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 230.163280][ T5525] Call trace: [ 230.164154][ T5525] dump_backtrace+0x0/0x43c [ 230.165374][ T5525] show_stack+0x2c/0x3c [ 230.166548][ T5525] __dump_stack+0x30/0x40 [ 230.167678][ T5525] dump_stack_lvl+0xf8/0x160 [ 230.168941][ T5525] dump_stack+0x1c/0x5c [ 230.170057][ T5525] sysfs_create_dir_ns+0x22c/0x24c [ 230.171426][ T5525] kobject_add_internal+0x590/0xc54 [ 230.172807][ T5525] kobject_init_and_add+0x118/0x17c [ 230.174254][ T5525] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.175569][ T5525] gfs2_fill_super+0xdac/0x19e0 [ 230.176909][ T5525] get_tree_bdev+0x358/0x544 [ 230.178160][ T5525] gfs2_get_tree+0x54/0x1b4 [ 230.179375][ T5525] vfs_get_tree+0x90/0x274 [ 230.180617][ T5525] do_new_mount+0x228/0x810 [ 230.181842][ T5525] path_mount+0x5b4/0x1000 [ 230.183045][ T5525] __arm64_sys_mount+0x514/0x5e4 [ 230.184452][ T5525] invoke_syscall+0x98/0x2b8 [ 230.185722][ T5525] el0_svc_common+0x138/0x258 [ 230.187009][ T5525] do_el0_svc+0x58/0x14c [ 230.188373][ T5525] el0_svc+0x78/0x1e0 [ 230.189414][ T5525] el0t_64_sync_handler+0xcc/0xe4 [ 230.190766][ T5525] el0t_64_sync+0x1a0/0x1a4 [ 230.192368][ T5525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.196078][ T5525] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.467234][ T5527] loop1: detected capacity change from 0 to 32768 [ 230.523535][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.525875][ T5527] CPU: 1 PID: 5527 Comm: syz.1.302 Not tainted 5.15.184-syzkaller #0 [ 230.528198][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 230.530877][ T5527] Call trace: [ 230.531773][ T5527] dump_backtrace+0x0/0x43c [ 230.532997][ T5527] show_stack+0x2c/0x3c [ 230.534091][ T5527] __dump_stack+0x30/0x40 [ 230.535258][ T5527] dump_stack_lvl+0xf8/0x160 [ 230.536560][ T5527] dump_stack+0x1c/0x5c [ 230.537703][ T5527] sysfs_create_dir_ns+0x22c/0x24c [ 230.539132][ T5527] kobject_add_internal+0x590/0xc54 [ 230.540689][ T5527] kobject_init_and_add+0x118/0x17c [ 230.542139][ T5527] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.543475][ T5527] gfs2_fill_super+0xdac/0x19e0 [ 230.544811][ T5527] get_tree_bdev+0x358/0x544 [ 230.546097][ T5527] gfs2_get_tree+0x54/0x1b4 [ 230.547368][ T5527] vfs_get_tree+0x90/0x274 [ 230.548710][ T5527] do_new_mount+0x228/0x810 [ 230.550135][ T5527] path_mount+0x5b4/0x1000 [ 230.551428][ T5527] __arm64_sys_mount+0x514/0x5e4 [ 230.552772][ T5527] invoke_syscall+0x98/0x2b8 [ 230.554052][ T5527] el0_svc_common+0x138/0x258 [ 230.555384][ T5527] do_el0_svc+0x58/0x14c [ 230.556598][ T5527] el0_svc+0x78/0x1e0 [ 230.557650][ T5527] el0t_64_sync_handler+0xcc/0xe4 [ 230.559063][ T5527] el0t_64_sync+0x1a0/0x1a4 [ 230.562568][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.566575][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:50 executed programs: 289 [ 230.830096][ T5529] loop1: detected capacity change from 0 to 32768 [ 230.876849][ T5529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.878931][ T5529] CPU: 0 PID: 5529 Comm: syz.1.303 Not tainted 5.15.184-syzkaller #0 [ 230.881108][ T5529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 230.883841][ T5529] Call trace: [ 230.884690][ T5529] dump_backtrace+0x0/0x43c [ 230.885981][ T5529] show_stack+0x2c/0x3c [ 230.887147][ T5529] __dump_stack+0x30/0x40 [ 230.888401][ T5529] dump_stack_lvl+0xf8/0x160 [ 230.889731][ T5529] dump_stack+0x1c/0x5c [ 230.890934][ T5529] sysfs_create_dir_ns+0x22c/0x24c [ 230.892414][ T5529] kobject_add_internal+0x590/0xc54 [ 230.893903][ T5529] kobject_init_and_add+0x118/0x17c [ 230.895392][ T5529] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.896773][ T5529] gfs2_fill_super+0xdac/0x19e0 [ 230.898124][ T5529] get_tree_bdev+0x358/0x544 [ 230.899386][ T5529] gfs2_get_tree+0x54/0x1b4 [ 230.900683][ T5529] vfs_get_tree+0x90/0x274 [ 230.901966][ T5529] do_new_mount+0x228/0x810 [ 230.903253][ T5529] path_mount+0x5b4/0x1000 [ 230.904530][ T5529] __arm64_sys_mount+0x514/0x5e4 [ 230.905883][ T5529] invoke_syscall+0x98/0x2b8 [ 230.907197][ T5529] el0_svc_common+0x138/0x258 [ 230.908462][ T5529] do_el0_svc+0x58/0x14c [ 230.909655][ T5529] el0_svc+0x78/0x1e0 [ 230.910761][ T5529] el0t_64_sync_handler+0xcc/0xe4 [ 230.912127][ T5529] el0t_64_sync+0x1a0/0x1a4 [ 230.913632][ T5529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.917426][ T5529] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.180445][ T5531] loop1: detected capacity change from 0 to 32768 [ 231.264312][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.266726][ T5531] CPU: 1 PID: 5531 Comm: syz.1.304 Not tainted 5.15.184-syzkaller #0 [ 231.268994][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 231.271591][ T5531] Call trace: [ 231.272468][ T5531] dump_backtrace+0x0/0x43c [ 231.273782][ T5531] show_stack+0x2c/0x3c [ 231.274961][ T5531] __dump_stack+0x30/0x40 [ 231.276161][ T5531] dump_stack_lvl+0xf8/0x160 [ 231.277411][ T5531] dump_stack+0x1c/0x5c [ 231.278568][ T5531] sysfs_create_dir_ns+0x22c/0x24c [ 231.280060][ T5531] kobject_add_internal+0x590/0xc54 [ 231.281473][ T5531] kobject_init_and_add+0x118/0x17c [ 231.282971][ T5531] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.284269][ T5531] gfs2_fill_super+0xdac/0x19e0 [ 231.285642][ T5531] get_tree_bdev+0x358/0x544 [ 231.286912][ T5531] gfs2_get_tree+0x54/0x1b4 [ 231.288187][ T5531] vfs_get_tree+0x90/0x274 [ 231.289379][ T5531] do_new_mount+0x228/0x810 [ 231.290618][ T5531] path_mount+0x5b4/0x1000 [ 231.291821][ T5531] __arm64_sys_mount+0x514/0x5e4 [ 231.293173][ T5531] invoke_syscall+0x98/0x2b8 [ 231.294425][ T5531] el0_svc_common+0x138/0x258 [ 231.295701][ T5531] do_el0_svc+0x58/0x14c [ 231.296884][ T5531] el0_svc+0x78/0x1e0 [ 231.298026][ T5531] el0t_64_sync_handler+0xcc/0xe4 [ 231.299393][ T5531] el0t_64_sync+0x1a0/0x1a4 [ 231.303462][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.307379][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.573336][ T5533] loop1: detected capacity change from 0 to 32768 [ 231.616669][ T5533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.618765][ T5533] CPU: 1 PID: 5533 Comm: syz.1.305 Not tainted 5.15.184-syzkaller #0 [ 231.620995][ T5533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 231.623759][ T5533] Call trace: [ 231.624656][ T5533] dump_backtrace+0x0/0x43c [ 231.625930][ T5533] show_stack+0x2c/0x3c [ 231.627115][ T5533] __dump_stack+0x30/0x40 [ 231.628315][ T5533] dump_stack_lvl+0xf8/0x160 [ 231.629626][ T5533] dump_stack+0x1c/0x5c [ 231.630766][ T5533] sysfs_create_dir_ns+0x22c/0x24c [ 231.632271][ T5533] kobject_add_internal+0x590/0xc54 [ 231.633695][ T5533] kobject_init_and_add+0x118/0x17c [ 231.635118][ T5533] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.636416][ T5533] gfs2_fill_super+0xdac/0x19e0 [ 231.637788][ T5533] get_tree_bdev+0x358/0x544 [ 231.639023][ T5533] gfs2_get_tree+0x54/0x1b4 [ 231.640302][ T5533] vfs_get_tree+0x90/0x274 [ 231.641512][ T5533] do_new_mount+0x228/0x810 [ 231.642768][ T5533] path_mount+0x5b4/0x1000 [ 231.644012][ T5533] __arm64_sys_mount+0x514/0x5e4 [ 231.645356][ T5533] invoke_syscall+0x98/0x2b8 [ 231.646597][ T5533] el0_svc_common+0x138/0x258 [ 231.647837][ T5533] do_el0_svc+0x58/0x14c [ 231.649012][ T5533] el0_svc+0x78/0x1e0 [ 231.650119][ T5533] el0t_64_sync_handler+0xcc/0xe4 [ 231.651494][ T5533] el0t_64_sync+0x1a0/0x1a4 [ 231.655838][ T5533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.659424][ T5533] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.027812][ T5535] loop1: detected capacity change from 0 to 32768 [ 232.082605][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.084681][ T5535] CPU: 0 PID: 5535 Comm: syz.1.306 Not tainted 5.15.184-syzkaller #0 [ 232.086951][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.089777][ T5535] Call trace: [ 232.090782][ T5535] dump_backtrace+0x0/0x43c [ 232.092082][ T5535] show_stack+0x2c/0x3c [ 232.093296][ T5535] __dump_stack+0x30/0x40 [ 232.094540][ T5535] dump_stack_lvl+0xf8/0x160 [ 232.095781][ T5535] dump_stack+0x1c/0x5c [ 232.096966][ T5535] sysfs_create_dir_ns+0x22c/0x24c [ 232.098408][ T5535] kobject_add_internal+0x590/0xc54 [ 232.099928][ T5535] kobject_init_and_add+0x118/0x17c [ 232.101382][ T5535] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.102681][ T5535] gfs2_fill_super+0xdac/0x19e0 [ 232.104049][ T5535] get_tree_bdev+0x358/0x544 [ 232.105353][ T5535] gfs2_get_tree+0x54/0x1b4 [ 232.106592][ T5535] vfs_get_tree+0x90/0x274 [ 232.107853][ T5535] do_new_mount+0x228/0x810 [ 232.109110][ T5535] path_mount+0x5b4/0x1000 [ 232.110353][ T5535] __arm64_sys_mount+0x514/0x5e4 [ 232.111727][ T5535] invoke_syscall+0x98/0x2b8 [ 232.112990][ T5535] el0_svc_common+0x138/0x258 [ 232.114326][ T5535] do_el0_svc+0x58/0x14c [ 232.115515][ T5535] el0_svc+0x78/0x1e0 [ 232.116612][ T5535] el0t_64_sync_handler+0xcc/0xe4 [ 232.118032][ T5535] el0t_64_sync+0x1a0/0x1a4 [ 232.120142][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.123815][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.421664][ T5537] loop1: detected capacity change from 0 to 32768 [ 232.466936][ T5537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.469045][ T5537] CPU: 1 PID: 5537 Comm: syz.1.307 Not tainted 5.15.184-syzkaller #0 [ 232.471339][ T5537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.474085][ T5537] Call trace: [ 232.474989][ T5537] dump_backtrace+0x0/0x43c [ 232.476242][ T5537] show_stack+0x2c/0x3c [ 232.477373][ T5537] __dump_stack+0x30/0x40 [ 232.478555][ T5537] dump_stack_lvl+0xf8/0x160 [ 232.479809][ T5537] dump_stack+0x1c/0x5c [ 232.480941][ T5537] sysfs_create_dir_ns+0x22c/0x24c [ 232.482312][ T5537] kobject_add_internal+0x590/0xc54 [ 232.483687][ T5537] kobject_init_and_add+0x118/0x17c [ 232.485158][ T5537] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.486466][ T5537] gfs2_fill_super+0xdac/0x19e0 [ 232.487809][ T5537] get_tree_bdev+0x358/0x544 [ 232.489185][ T5537] gfs2_get_tree+0x54/0x1b4 [ 232.490412][ T5537] vfs_get_tree+0x90/0x274 [ 232.491610][ T5537] do_new_mount+0x228/0x810 [ 232.492866][ T5537] path_mount+0x5b4/0x1000 [ 232.494110][ T5537] __arm64_sys_mount+0x514/0x5e4 [ 232.495469][ T5537] invoke_syscall+0x98/0x2b8 [ 232.496728][ T5537] el0_svc_common+0x138/0x258 [ 232.498083][ T5537] do_el0_svc+0x58/0x14c [ 232.499289][ T5537] el0_svc+0x78/0x1e0 [ 232.500413][ T5537] el0t_64_sync_handler+0xcc/0xe4 [ 232.501801][ T5537] el0t_64_sync+0x1a0/0x1a4 [ 232.503449][ T5537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.507445][ T5537] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.770014][ T5539] loop1: detected capacity change from 0 to 32768 [ 232.859424][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.861451][ T5539] CPU: 1 PID: 5539 Comm: syz.1.308 Not tainted 5.15.184-syzkaller #0 [ 232.863622][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.866281][ T5539] Call trace: [ 232.867178][ T5539] dump_backtrace+0x0/0x43c [ 232.868378][ T5539] show_stack+0x2c/0x3c [ 232.869472][ T5539] __dump_stack+0x30/0x40 [ 232.870668][ T5539] dump_stack_lvl+0xf8/0x160 [ 232.871926][ T5539] dump_stack+0x1c/0x5c [ 232.873085][ T5539] sysfs_create_dir_ns+0x22c/0x24c [ 232.874496][ T5539] kobject_add_internal+0x590/0xc54 [ 232.875941][ T5539] kobject_init_and_add+0x118/0x17c [ 232.877416][ T5539] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.878754][ T5539] gfs2_fill_super+0xdac/0x19e0 [ 232.880112][ T5539] get_tree_bdev+0x358/0x544 [ 232.881420][ T5539] gfs2_get_tree+0x54/0x1b4 [ 232.882686][ T5539] vfs_get_tree+0x90/0x274 [ 232.883951][ T5539] do_new_mount+0x228/0x810 [ 232.885206][ T5539] path_mount+0x5b4/0x1000 [ 232.886413][ T5539] __arm64_sys_mount+0x514/0x5e4 [ 232.887762][ T5539] invoke_syscall+0x98/0x2b8 [ 232.889029][ T5539] el0_svc_common+0x138/0x258 [ 232.890340][ T5539] do_el0_svc+0x58/0x14c [ 232.891499][ T5539] el0_svc+0x78/0x1e0 [ 232.892616][ T5539] el0t_64_sync_handler+0xcc/0xe4 [ 232.894014][ T5539] el0t_64_sync+0x1a0/0x1a4 [ 232.896522][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.900163][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.171742][ T5541] loop1: detected capacity change from 0 to 32768 [ 233.220408][ T5541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.222676][ T5541] CPU: 0 PID: 5541 Comm: syz.1.309 Not tainted 5.15.184-syzkaller #0 [ 233.224872][ T5541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 233.227647][ T5541] Call trace: [ 233.228553][ T5541] dump_backtrace+0x0/0x43c [ 233.229783][ T5541] show_stack+0x2c/0x3c [ 233.230897][ T5541] __dump_stack+0x30/0x40 [ 233.232102][ T5541] dump_stack_lvl+0xf8/0x160 [ 233.233384][ T5541] dump_stack+0x1c/0x5c [ 233.234515][ T5541] sysfs_create_dir_ns+0x22c/0x24c [ 233.235954][ T5541] kobject_add_internal+0x590/0xc54 [ 233.237348][ T5541] kobject_init_and_add+0x118/0x17c [ 233.238809][ T5541] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.240091][ T5541] gfs2_fill_super+0xdac/0x19e0 [ 233.241430][ T5541] get_tree_bdev+0x358/0x544 [ 233.242695][ T5541] gfs2_get_tree+0x54/0x1b4 [ 233.243931][ T5541] vfs_get_tree+0x90/0x274 [ 233.245116][ T5541] do_new_mount+0x228/0x810 [ 233.246349][ T5541] path_mount+0x5b4/0x1000 [ 233.247596][ T5541] __arm64_sys_mount+0x514/0x5e4 [ 233.248997][ T5541] invoke_syscall+0x98/0x2b8 [ 233.250210][ T5541] el0_svc_common+0x138/0x258 [ 233.251490][ T5541] do_el0_svc+0x58/0x14c [ 233.252671][ T5541] el0_svc+0x78/0x1e0 [ 233.253728][ T5541] el0t_64_sync_handler+0xcc/0xe4 [ 233.255132][ T5541] el0t_64_sync+0x1a0/0x1a4 [ 233.260011][ T5541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.264027][ T5541] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.534839][ T5543] loop1: detected capacity change from 0 to 32768 [ 233.582547][ T5543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.584687][ T5543] CPU: 1 PID: 5543 Comm: syz.1.310 Not tainted 5.15.184-syzkaller #0 [ 233.586978][ T5543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 233.589808][ T5543] Call trace: [ 233.590691][ T5543] dump_backtrace+0x0/0x43c [ 233.591996][ T5543] show_stack+0x2c/0x3c [ 233.593177][ T5543] __dump_stack+0x30/0x40 [ 233.594407][ T5543] dump_stack_lvl+0xf8/0x160 [ 233.595686][ T5543] dump_stack+0x1c/0x5c [ 233.596813][ T5543] sysfs_create_dir_ns+0x22c/0x24c [ 233.598252][ T5543] kobject_add_internal+0x590/0xc54 [ 233.599733][ T5543] kobject_init_and_add+0x118/0x17c [ 233.601212][ T5543] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.602532][ T5543] gfs2_fill_super+0xdac/0x19e0 [ 233.603851][ T5543] get_tree_bdev+0x358/0x544 [ 233.605150][ T5543] gfs2_get_tree+0x54/0x1b4 [ 233.606465][ T5543] vfs_get_tree+0x90/0x274 [ 233.607733][ T5543] do_new_mount+0x228/0x810 [ 233.609048][ T5543] path_mount+0x5b4/0x1000 [ 233.610254][ T5543] __arm64_sys_mount+0x514/0x5e4 [ 233.611644][ T5543] invoke_syscall+0x98/0x2b8 [ 233.612973][ T5543] el0_svc_common+0x138/0x258 [ 233.614262][ T5543] do_el0_svc+0x58/0x14c [ 233.615478][ T5543] el0_svc+0x78/0x1e0 [ 233.616564][ T5543] el0t_64_sync_handler+0xcc/0xe4 [ 233.617956][ T5543] el0t_64_sync+0x1a0/0x1a4 [ 233.621852][ T5543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.627752][ T5543] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.892703][ T5545] loop1: detected capacity change from 0 to 32768 [ 233.900790][ T5545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.902895][ T5545] CPU: 1 PID: 5545 Comm: syz.1.311 Not tainted 5.15.184-syzkaller #0 [ 233.905104][ T5545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 233.907955][ T5545] Call trace: [ 233.908878][ T5545] dump_backtrace+0x0/0x43c [ 233.910158][ T5545] show_stack+0x2c/0x3c [ 233.911277][ T5545] __dump_stack+0x30/0x40 [ 233.912413][ T5545] dump_stack_lvl+0xf8/0x160 [ 233.913661][ T5545] dump_stack+0x1c/0x5c [ 233.914888][ T5545] sysfs_create_dir_ns+0x22c/0x24c [ 233.916338][ T5545] kobject_add_internal+0x590/0xc54 [ 233.917793][ T5545] kobject_init_and_add+0x118/0x17c [ 233.919212][ T5545] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.920520][ T5545] gfs2_fill_super+0xdac/0x19e0 [ 233.921838][ T5545] get_tree_bdev+0x358/0x544 [ 233.923179][ T5545] gfs2_get_tree+0x54/0x1b4 [ 233.924478][ T5545] vfs_get_tree+0x90/0x274 [ 233.925725][ T5545] do_new_mount+0x228/0x810 [ 233.927053][ T5545] path_mount+0x5b4/0x1000 [ 233.928245][ T5545] __arm64_sys_mount+0x514/0x5e4 [ 233.929602][ T5545] invoke_syscall+0x98/0x2b8 [ 233.930823][ T5545] el0_svc_common+0x138/0x258 [ 233.932132][ T5545] do_el0_svc+0x58/0x14c [ 233.933352][ T5545] el0_svc+0x78/0x1e0 [ 233.934425][ T5545] el0t_64_sync_handler+0xcc/0xe4 [ 233.935808][ T5545] el0t_64_sync+0x1a0/0x1a4 [ 233.939699][ T5545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.943295][ T5545] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.366982][ T5547] loop1: detected capacity change from 0 to 32768 [ 234.413721][ T5547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.416045][ T5547] CPU: 1 PID: 5547 Comm: syz.1.312 Not tainted 5.15.184-syzkaller #0 [ 234.418309][ T5547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 234.421058][ T5547] Call trace: [ 234.421966][ T5547] dump_backtrace+0x0/0x43c [ 234.423177][ T5547] show_stack+0x2c/0x3c [ 234.424315][ T5547] __dump_stack+0x30/0x40 [ 234.425568][ T5547] dump_stack_lvl+0xf8/0x160 [ 234.426871][ T5547] dump_stack+0x1c/0x5c [ 234.428100][ T5547] sysfs_create_dir_ns+0x22c/0x24c [ 234.429556][ T5547] kobject_add_internal+0x590/0xc54 [ 234.431085][ T5547] kobject_init_and_add+0x118/0x17c [ 234.432668][ T5547] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.434102][ T5547] gfs2_fill_super+0xdac/0x19e0 [ 234.435396][ T5547] get_tree_bdev+0x358/0x544 [ 234.436637][ T5547] gfs2_get_tree+0x54/0x1b4 [ 234.437864][ T5547] vfs_get_tree+0x90/0x274 [ 234.439067][ T5547] do_new_mount+0x228/0x810 [ 234.440288][ T5547] path_mount+0x5b4/0x1000 [ 234.441501][ T5547] __arm64_sys_mount+0x514/0x5e4 [ 234.442881][ T5547] invoke_syscall+0x98/0x2b8 [ 234.444147][ T5547] el0_svc_common+0x138/0x258 [ 234.445371][ T5547] do_el0_svc+0x58/0x14c [ 234.446634][ T5547] el0_svc+0x78/0x1e0 [ 234.447711][ T5547] el0t_64_sync_handler+0xcc/0xe4 [ 234.449091][ T5547] el0t_64_sync+0x1a0/0x1a4 [ 234.452796][ T5547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.456399][ T5547] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.738872][ T5549] loop1: detected capacity change from 0 to 32768 [ 234.799017][ T5549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.801131][ T5549] CPU: 0 PID: 5549 Comm: syz.1.313 Not tainted 5.15.184-syzkaller #0 [ 234.803359][ T5549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 234.806099][ T5549] Call trace: [ 234.806980][ T5549] dump_backtrace+0x0/0x43c [ 234.808218][ T5549] show_stack+0x2c/0x3c [ 234.809376][ T5549] __dump_stack+0x30/0x40 [ 234.810564][ T5549] dump_stack_lvl+0xf8/0x160 [ 234.811877][ T5549] dump_stack+0x1c/0x5c [ 234.813005][ T5549] sysfs_create_dir_ns+0x22c/0x24c [ 234.814397][ T5549] kobject_add_internal+0x590/0xc54 [ 234.815842][ T5549] kobject_init_and_add+0x118/0x17c [ 234.817242][ T5549] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.818549][ T5549] gfs2_fill_super+0xdac/0x19e0 [ 234.819975][ T5549] get_tree_bdev+0x358/0x544 [ 234.821226][ T5549] gfs2_get_tree+0x54/0x1b4 [ 234.822451][ T5549] vfs_get_tree+0x90/0x274 [ 234.823695][ T5549] do_new_mount+0x228/0x810 [ 234.824919][ T5549] path_mount+0x5b4/0x1000 [ 234.826072][ T5549] __arm64_sys_mount+0x514/0x5e4 [ 234.827379][ T5549] invoke_syscall+0x98/0x2b8 [ 234.828610][ T5549] el0_svc_common+0x138/0x258 [ 234.829880][ T5549] do_el0_svc+0x58/0x14c [ 234.831010][ T5549] el0_svc+0x78/0x1e0 [ 234.832110][ T5549] el0t_64_sync_handler+0xcc/0xe4 [ 234.833499][ T5549] el0t_64_sync+0x1a0/0x1a4 [ 234.837197][ T5549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.840926][ T5549] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.112416][ T5551] loop1: detected capacity change from 0 to 32768 [ 235.166546][ T5551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.168710][ T5551] CPU: 1 PID: 5551 Comm: syz.1.314 Not tainted 5.15.184-syzkaller #0 [ 235.170933][ T5551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 235.173681][ T5551] Call trace: [ 235.174577][ T5551] dump_backtrace+0x0/0x43c [ 235.175878][ T5551] show_stack+0x2c/0x3c [ 235.177006][ T5551] __dump_stack+0x30/0x40 [ 235.178236][ T5551] dump_stack_lvl+0xf8/0x160 [ 235.179549][ T5551] dump_stack+0x1c/0x5c [ 235.180667][ T5551] sysfs_create_dir_ns+0x22c/0x24c [ 235.182036][ T5551] kobject_add_internal+0x590/0xc54 [ 235.183469][ T5551] kobject_init_and_add+0x118/0x17c [ 235.184898][ T5551] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.186175][ T5551] gfs2_fill_super+0xdac/0x19e0 [ 235.187498][ T5551] get_tree_bdev+0x358/0x544 [ 235.188727][ T5551] gfs2_get_tree+0x54/0x1b4 [ 235.190039][ T5551] vfs_get_tree+0x90/0x274 [ 235.191204][ T5551] do_new_mount+0x228/0x810 [ 235.192479][ T5551] path_mount+0x5b4/0x1000 [ 235.193695][ T5551] __arm64_sys_mount+0x514/0x5e4 [ 235.195067][ T5551] invoke_syscall+0x98/0x2b8 [ 235.196348][ T5551] el0_svc_common+0x138/0x258 [ 235.197656][ T5551] do_el0_svc+0x58/0x14c [ 235.198830][ T5551] el0_svc+0x78/0x1e0 [ 235.199927][ T5551] el0t_64_sync_handler+0xcc/0xe4 [ 235.201340][ T5551] el0t_64_sync+0x1a0/0x1a4 [ 235.205140][ T5551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.208936][ T5551] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.516319][ T5553] loop1: detected capacity change from 0 to 32768 [ 235.565856][ T5553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.567998][ T5553] CPU: 1 PID: 5553 Comm: syz.1.315 Not tainted 5.15.184-syzkaller #0 [ 235.570165][ T5553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 235.573046][ T5553] Call trace: [ 235.573952][ T5553] dump_backtrace+0x0/0x43c [ 235.575198][ T5553] show_stack+0x2c/0x3c [ 235.576435][ T5553] __dump_stack+0x30/0x40 [ 235.577659][ T5553] dump_stack_lvl+0xf8/0x160 [ 235.578916][ T5553] dump_stack+0x1c/0x5c [ 235.580085][ T5553] sysfs_create_dir_ns+0x22c/0x24c [ 235.581545][ T5553] kobject_add_internal+0x590/0xc54 [ 235.583009][ T5553] kobject_init_and_add+0x118/0x17c [ 235.584433][ T5553] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.585761][ T5553] gfs2_fill_super+0xdac/0x19e0 [ 235.587127][ T5553] get_tree_bdev+0x358/0x544 [ 235.588405][ T5553] gfs2_get_tree+0x54/0x1b4 [ 235.589656][ T5553] vfs_get_tree+0x90/0x274 [ 235.590851][ T5553] do_new_mount+0x228/0x810 [ 235.592076][ T5553] path_mount+0x5b4/0x1000 [ 235.593277][ T5553] __arm64_sys_mount+0x514/0x5e4 [ 235.594632][ T5553] invoke_syscall+0x98/0x2b8 [ 235.595968][ T5553] el0_svc_common+0x138/0x258 [ 235.597299][ T5553] do_el0_svc+0x58/0x14c [ 235.598415][ T5553] el0_svc+0x78/0x1e0 [ 235.599482][ T5553] el0t_64_sync_handler+0xcc/0xe4 [ 235.600863][ T5553] el0t_64_sync+0x1a0/0x1a4 [ 235.604367][ T5553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.608651][ T5553] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:55 executed programs: 302 [ 235.877284][ T5555] loop1: detected capacity change from 0 to 32768 [ 235.946139][ T5555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.948267][ T5555] CPU: 0 PID: 5555 Comm: syz.1.316 Not tainted 5.15.184-syzkaller #0 [ 235.950526][ T5555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 235.953262][ T5555] Call trace: [ 235.954152][ T5555] dump_backtrace+0x0/0x43c [ 235.955368][ T5555] show_stack+0x2c/0x3c [ 235.956565][ T5555] __dump_stack+0x30/0x40 [ 235.957809][ T5555] dump_stack_lvl+0xf8/0x160 [ 235.959003][ T5555] dump_stack+0x1c/0x5c [ 235.960177][ T5555] sysfs_create_dir_ns+0x22c/0x24c [ 235.961588][ T5555] kobject_add_internal+0x590/0xc54 [ 235.962976][ T5555] kobject_init_and_add+0x118/0x17c [ 235.964372][ T5555] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.965662][ T5555] gfs2_fill_super+0xdac/0x19e0 [ 235.967003][ T5555] get_tree_bdev+0x358/0x544 [ 235.968317][ T5555] gfs2_get_tree+0x54/0x1b4 [ 235.969578][ T5555] vfs_get_tree+0x90/0x274 [ 235.970829][ T5555] do_new_mount+0x228/0x810 [ 235.972095][ T5555] path_mount+0x5b4/0x1000 [ 235.973319][ T5555] __arm64_sys_mount+0x514/0x5e4 [ 235.974741][ T5555] invoke_syscall+0x98/0x2b8 [ 235.976082][ T5555] el0_svc_common+0x138/0x258 [ 235.977443][ T5555] do_el0_svc+0x58/0x14c [ 235.978605][ T5555] el0_svc+0x78/0x1e0 [ 235.979669][ T5555] el0t_64_sync_handler+0xcc/0xe4 [ 235.981065][ T5555] el0t_64_sync+0x1a0/0x1a4 [ 235.985786][ T5555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.989504][ T5555] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.251311][ T5557] loop1: detected capacity change from 0 to 32768 [ 236.266853][ T5557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.269044][ T5557] CPU: 1 PID: 5557 Comm: syz.1.317 Not tainted 5.15.184-syzkaller #0 [ 236.271265][ T5557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 236.274081][ T5557] Call trace: [ 236.274962][ T5557] dump_backtrace+0x0/0x43c [ 236.276175][ T5557] show_stack+0x2c/0x3c [ 236.277292][ T5557] __dump_stack+0x30/0x40 [ 236.278455][ T5557] dump_stack_lvl+0xf8/0x160 [ 236.279711][ T5557] dump_stack+0x1c/0x5c [ 236.280862][ T5557] sysfs_create_dir_ns+0x22c/0x24c [ 236.282254][ T5557] kobject_add_internal+0x590/0xc54 [ 236.283707][ T5557] kobject_init_and_add+0x118/0x17c [ 236.285204][ T5557] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.286492][ T5557] gfs2_fill_super+0xdac/0x19e0 [ 236.287868][ T5557] get_tree_bdev+0x358/0x544 [ 236.289107][ T5557] gfs2_get_tree+0x54/0x1b4 [ 236.290320][ T5557] vfs_get_tree+0x90/0x274 [ 236.291524][ T5557] do_new_mount+0x228/0x810 [ 236.292788][ T5557] path_mount+0x5b4/0x1000 [ 236.293979][ T5557] __arm64_sys_mount+0x514/0x5e4 [ 236.295319][ T5557] invoke_syscall+0x98/0x2b8 [ 236.296573][ T5557] el0_svc_common+0x138/0x258 [ 236.297851][ T5557] do_el0_svc+0x58/0x14c [ 236.298979][ T5557] el0_svc+0x78/0x1e0 [ 236.300030][ T5557] el0t_64_sync_handler+0xcc/0xe4 [ 236.301383][ T5557] el0t_64_sync+0x1a0/0x1a4 [ 236.303059][ T5557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.306943][ T5557] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.639808][ T5559] loop1: detected capacity change from 0 to 32768 [ 236.699500][ T5559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.701665][ T5559] CPU: 0 PID: 5559 Comm: syz.1.318 Not tainted 5.15.184-syzkaller #0 [ 236.703819][ T5559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 236.706555][ T5559] Call trace: [ 236.707488][ T5559] dump_backtrace+0x0/0x43c [ 236.708687][ T5559] show_stack+0x2c/0x3c [ 236.709878][ T5559] __dump_stack+0x30/0x40 [ 236.711100][ T5559] dump_stack_lvl+0xf8/0x160 [ 236.712336][ T5559] dump_stack+0x1c/0x5c [ 236.713537][ T5559] sysfs_create_dir_ns+0x22c/0x24c [ 236.714925][ T5559] kobject_add_internal+0x590/0xc54 [ 236.716393][ T5559] kobject_init_and_add+0x118/0x17c [ 236.717852][ T5559] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.719241][ T5559] gfs2_fill_super+0xdac/0x19e0 [ 236.720558][ T5559] get_tree_bdev+0x358/0x544 [ 236.721845][ T5559] gfs2_get_tree+0x54/0x1b4 [ 236.723123][ T5559] vfs_get_tree+0x90/0x274 [ 236.724321][ T5559] do_new_mount+0x228/0x810 [ 236.725682][ T5559] path_mount+0x5b4/0x1000 [ 236.726984][ T5559] __arm64_sys_mount+0x514/0x5e4 [ 236.728351][ T5559] invoke_syscall+0x98/0x2b8 [ 236.729569][ T5559] el0_svc_common+0x138/0x258 [ 236.730853][ T5559] do_el0_svc+0x58/0x14c [ 236.732058][ T5559] el0_svc+0x78/0x1e0 [ 236.733198][ T5559] el0t_64_sync_handler+0xcc/0xe4 [ 236.734604][ T5559] el0t_64_sync+0x1a0/0x1a4 [ 236.740259][ T5559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.743899][ T5559] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 237.014406][ T5561] loop1: detected capacity change from 0 to 32768 [ 237.026562][ T5561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 237.028657][ T5561] CPU: 1 PID: 5561 Comm: syz.1.319 Not tainted 5.15.184-syzkaller #0 [ 237.030908][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 237.033642][ T5561] Call trace: [ 237.034559][ T5561] dump_backtrace+0x0/0x43c [ 237.035816][ T5561] show_stack+0x2c/0x3c [ 237.036935][ T5561] __dump_stack+0x30/0x40 [ 237.038160][ T5561] dump_stack_lvl+0xf8/0x160 [ 237.039358][ T5561] dump_stack+0x1c/0x5c [ 237.040448][ T5561] sysfs_create_dir_ns+0x22c/0x24c [ 237.041870][ T5561] kobject_add_internal+0x590/0xc54 [ 237.043225][ T5561] kobject_init_and_add+0x118/0x17c [ 237.044644][ T5561] gfs2_sys_fs_add+0x1dc/0x3d8 [ 237.045967][ T5561] gfs2_fill_super+0xdac/0x19e0 [ 237.047309][ T5561] get_tree_bdev+0x358/0x544 [ 237.048549][ T5561] gfs2_get_tree+0x54/0x1b4 [ 237.049756][ T5561] vfs_get_tree+0x90/0x274 [ 237.051018][ T5561] do_new_mount+0x228/0x810 [ 237.052201][ T5561] path_mount+0x5b4/0x1000 [ 237.053391][ T5561] __arm64_sys_mount+0x514/0x5e4 [ 237.054741][ T5561] invoke_syscall+0x98/0x2b8 [ 237.056024][ T5561] el0_svc_common+0x138/0x258 [ 237.057298][ T5561] do_el0_svc+0x58/0x14c [ 237.058479][ T5561] el0_svc+0x78/0x1e0 [ 237.059588][ T5561] el0t_64_sync_handler+0xcc/0xe4 [ 237.060910][ T5561] el0t_64_sync+0x1a0/0x1a4 [ 237.065116][ T5561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.068727][ T5561] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 237.333342][ T5563] loop1: detected capacity change from 0 to 32768 [ 237.381479][ T5563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 237.383563][ T5563] CPU: 0 PID: 5563 Comm: syz.1.320 Not tainted 5.15.184-syzkaller #0 [ 237.385791][ T5563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 237.388637][ T5563] Call trace: [ 237.389540][ T5563] dump_backtrace+0x0/0x43c [ 237.390763][ T5563] show_stack+0x2c/0x3c [ 237.391855][ T5563] __dump_stack+0x30/0x40 [ 237.393065][ T5563] dump_stack_lvl+0xf8/0x160 [ 237.394339][ T5563] dump_stack+0x1c/0x5c [ 237.395486][ T5563] sysfs_create_dir_ns+0x22c/0x24c [ 237.396967][ T5563] kobject_add_internal+0x590/0xc54 [ 237.398364][ T5563] kobject_init_and_add+0x118/0x17c [ 237.399770][ T5563] gfs2_sys_fs_add+0x1dc/0x3d8 [ 237.401064][ T5563] gfs2_fill_super+0xdac/0x19e0 [ 237.402405][ T5563] get_tree_bdev+0x358/0x544 [ 237.403694][ T5563] gfs2_get_tree+0x54/0x1b4 [ 237.404955][ T5563] vfs_get_tree+0x90/0x274 [ 237.406180][ T5563] do_new_mount+0x228/0x810 [ 237.407382][ T5563] path_mount+0x5b4/0x1000 [ 237.408622][ T5563] __arm64_sys_mount+0x514/0x5e4 [ 237.410008][ T5563] invoke_syscall+0x98/0x2b8 [ 237.411266][ T5563] el0_svc_common+0x138/0x258 [ 237.412514][ T5563] do_el0_svc+0x58/0x14c [ 237.413728][ T5563] el0_svc+0x78/0x1e0 [ 237.414844][ T5563] el0t_64_sync_handler+0xcc/0xe4 [ 237.416254][ T5563] el0t_64_sync+0x1a0/0x1a4 [ 237.419659][ T5563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.423329][ T5563] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 237.687696][ T5565] loop1: detected capacity change from 0 to 32768 [ 237.736569][ T5565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 237.738891][ T5565] CPU: 0 PID: 5565 Comm: syz.1.321 Not tainted 5.15.184-syzkaller #0 [ 237.741129][ T5565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 237.743994][ T5565] Call trace: [ 237.744904][ T5565] dump_backtrace+0x0/0x43c [ 237.746166][ T5565] show_stack+0x2c/0x3c [ 237.747290][ T5565] __dump_stack+0x30/0x40 [ 237.748480][ T5565] dump_stack_lvl+0xf8/0x160 [ 237.749838][ T5565] dump_stack+0x1c/0x5c [ 237.751094][ T5565] sysfs_create_dir_ns+0x22c/0x24c [ 237.752577][ T5565] kobject_add_internal+0x590/0xc54 [ 237.754041][ T5565] kobject_init_and_add+0x118/0x17c [ 237.755490][ T5565] gfs2_sys_fs_add+0x1dc/0x3d8 [ 237.756844][ T5565] gfs2_fill_super+0xdac/0x19e0 [ 237.758219][ T5565] get_tree_bdev+0x358/0x544 [ 237.759515][ T5565] gfs2_get_tree+0x54/0x1b4 [ 237.760789][ T5565] vfs_get_tree+0x90/0x274 [ 237.762024][ T5565] do_new_mount+0x228/0x810 [ 237.763236][ T5565] path_mount+0x5b4/0x1000 [ 237.764472][ T5565] __arm64_sys_mount+0x514/0x5e4 [ 237.765816][ T5565] invoke_syscall+0x98/0x2b8 [ 237.767028][ T5565] el0_svc_common+0x138/0x258 [ 237.768335][ T5565] do_el0_svc+0x58/0x14c [ 237.769570][ T5565] el0_svc+0x78/0x1e0 [ 237.770650][ T5565] el0t_64_sync_handler+0xcc/0xe4 [ 237.771999][ T5565] el0t_64_sync+0x1a0/0x1a4 [ 237.774648][ T5565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.779891][ T5565] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.128395][ T5567] loop1: detected capacity change from 0 to 32768 [ 238.178295][ T5567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.180432][ T5567] CPU: 0 PID: 5567 Comm: syz.1.322 Not tainted 5.15.184-syzkaller #0 [ 238.182564][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.185252][ T5567] Call trace: [ 238.186137][ T5567] dump_backtrace+0x0/0x43c [ 238.187358][ T5567] show_stack+0x2c/0x3c [ 238.188496][ T5567] __dump_stack+0x30/0x40 [ 238.189644][ T5567] dump_stack_lvl+0xf8/0x160 [ 238.190873][ T5567] dump_stack+0x1c/0x5c [ 238.191991][ T5567] sysfs_create_dir_ns+0x22c/0x24c [ 238.193355][ T5567] kobject_add_internal+0x590/0xc54 [ 238.194726][ T5567] kobject_init_and_add+0x118/0x17c [ 238.196111][ T5567] gfs2_sys_fs_add+0x1dc/0x3d8 [ 238.197405][ T5567] gfs2_fill_super+0xdac/0x19e0 [ 238.198791][ T5567] get_tree_bdev+0x358/0x544 [ 238.200085][ T5567] gfs2_get_tree+0x54/0x1b4 [ 238.201337][ T5567] vfs_get_tree+0x90/0x274 [ 238.202538][ T5567] do_new_mount+0x228/0x810 [ 238.203776][ T5567] path_mount+0x5b4/0x1000 [ 238.204975][ T5567] __arm64_sys_mount+0x514/0x5e4 [ 238.206299][ T5567] invoke_syscall+0x98/0x2b8 [ 238.207523][ T5567] el0_svc_common+0x138/0x258 [ 238.208768][ T5567] do_el0_svc+0x58/0x14c [ 238.209899][ T5567] el0_svc+0x78/0x1e0 [ 238.210949][ T5567] el0t_64_sync_handler+0xcc/0xe4 [ 238.212359][ T5567] el0t_64_sync+0x1a0/0x1a4 [ 238.214897][ T5567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.218554][ T5567] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.539126][ T5569] loop1: detected capacity change from 0 to 32768 [ 238.594477][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.596886][ T5569] CPU: 0 PID: 5569 Comm: syz.1.323 Not tainted 5.15.184-syzkaller #0 [ 238.599026][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.601784][ T5569] Call trace: [ 238.602637][ T5569] dump_backtrace+0x0/0x43c [ 238.603921][ T5569] show_stack+0x2c/0x3c [ 238.605083][ T5569] __dump_stack+0x30/0x40 [ 238.606256][ T5569] dump_stack_lvl+0xf8/0x160 [ 238.607556][ T5569] dump_stack+0x1c/0x5c [ 238.608675][ T5569] sysfs_create_dir_ns+0x22c/0x24c [ 238.610006][ T5569] kobject_add_internal+0x590/0xc54 [ 238.611416][ T5569] kobject_init_and_add+0x118/0x17c [ 238.612801][ T5569] gfs2_sys_fs_add+0x1dc/0x3d8 [ 238.614146][ T5569] gfs2_fill_super+0xdac/0x19e0 [ 238.615475][ T5569] get_tree_bdev+0x358/0x544 [ 238.616716][ T5569] gfs2_get_tree+0x54/0x1b4 [ 238.617893][ T5569] vfs_get_tree+0x90/0x274 [ 238.619043][ T5569] do_new_mount+0x228/0x810 [ 238.620238][ T5569] path_mount+0x5b4/0x1000 [ 238.621397][ T5569] __arm64_sys_mount+0x514/0x5e4 [ 238.622761][ T5569] invoke_syscall+0x98/0x2b8 [ 238.623996][ T5569] el0_svc_common+0x138/0x258 [ 238.625269][ T5569] do_el0_svc+0x58/0x14c [ 238.626442][ T5569] el0_svc+0x78/0x1e0 [ 238.627506][ T5569] el0t_64_sync_handler+0xcc/0xe4 [ 238.628868][ T5569] el0t_64_sync+0x1a0/0x1a4 [ 238.632609][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.636617][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.898204][ T5571] loop1: detected capacity change from 0 to 32768 [ 238.954598][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.956912][ T5571] CPU: 1 PID: 5571 Comm: syz.1.324 Not tainted 5.15.184-syzkaller #0 [ 238.959159][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.961956][ T5571] Call trace: [ 238.962812][ T5571] dump_backtrace+0x0/0x43c [ 238.964060][ T5571] show_stack+0x2c/0x3c [ 238.965188][ T5571] __dump_stack+0x30/0x40 [ 238.966362][ T5571] dump_stack_lvl+0xf8/0x160 [ 238.967606][ T5571] dump_stack+0x1c/0x5c [ 238.968719][ T5571] sysfs_create_dir_ns+0x22c/0x24c [ 238.970141][ T5571] kobject_add_internal+0x590/0xc54 [ 238.971618][ T5571] kobject_init_and_add+0x118/0x17c [ 238.973072][ T5571] gfs2_sys_fs_add+0x1dc/0x3d8 [ 238.974337][ T5571] gfs2_fill_super+0xdac/0x19e0 [ 238.975708][ T5571] get_tree_bdev+0x358/0x544 [ 238.976988][ T5571] gfs2_get_tree+0x54/0x1b4 [ 238.978237][ T5571] vfs_get_tree+0x90/0x274 [ 238.979452][ T5571] do_new_mount+0x228/0x810 [ 238.980714][ T5571] path_mount+0x5b4/0x1000 [ 238.981954][ T5571] __arm64_sys_mount+0x514/0x5e4 [ 238.983317][ T5571] invoke_syscall+0x98/0x2b8 [ 238.984598][ T5571] el0_svc_common+0x138/0x258 [ 238.985889][ T5571] do_el0_svc+0x58/0x14c [ 238.987105][ T5571] el0_svc+0x78/0x1e0 [ 238.988217][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 238.989567][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 238.993045][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.996777][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.272249][ T5573] loop1: detected capacity change from 0 to 32768 [ 239.285577][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 239.287609][ T5573] CPU: 1 PID: 5573 Comm: syz.1.325 Not tainted 5.15.184-syzkaller #0 [ 239.289803][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 239.292587][ T5573] Call trace: [ 239.293481][ T5573] dump_backtrace+0x0/0x43c [ 239.294667][ T5573] show_stack+0x2c/0x3c [ 239.295898][ T5573] __dump_stack+0x30/0x40 [ 239.297031][ T5573] dump_stack_lvl+0xf8/0x160 [ 239.298305][ T5573] dump_stack+0x1c/0x5c [ 239.299445][ T5573] sysfs_create_dir_ns+0x22c/0x24c [ 239.300793][ T5573] kobject_add_internal+0x590/0xc54 [ 239.302215][ T5573] kobject_init_and_add+0x118/0x17c [ 239.303597][ T5573] gfs2_sys_fs_add+0x1dc/0x3d8 [ 239.304870][ T5573] gfs2_fill_super+0xdac/0x19e0 [ 239.306221][ T5573] get_tree_bdev+0x358/0x544 [ 239.307463][ T5573] gfs2_get_tree+0x54/0x1b4 [ 239.308687][ T5573] vfs_get_tree+0x90/0x274 [ 239.309908][ T5573] do_new_mount+0x228/0x810 [ 239.311152][ T5573] path_mount+0x5b4/0x1000 [ 239.312391][ T5573] __arm64_sys_mount+0x514/0x5e4 [ 239.313721][ T5573] invoke_syscall+0x98/0x2b8 [ 239.315005][ T5573] el0_svc_common+0x138/0x258 [ 239.316359][ T5573] do_el0_svc+0x58/0x14c [ 239.317552][ T5573] el0_svc+0x78/0x1e0 [ 239.318606][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 239.319953][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 239.321292][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 239.325490][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.598704][ T5575] loop1: detected capacity change from 0 to 32768 [ 239.657326][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 239.659347][ T5575] CPU: 1 PID: 5575 Comm: syz.1.326 Not tainted 5.15.184-syzkaller #0 [ 239.661507][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 239.664420][ T5575] Call trace: [ 239.665311][ T5575] dump_backtrace+0x0/0x43c [ 239.666554][ T5575] show_stack+0x2c/0x3c [ 239.667713][ T5575] __dump_stack+0x30/0x40 [ 239.668935][ T5575] dump_stack_lvl+0xf8/0x160 [ 239.670217][ T5575] dump_stack+0x1c/0x5c [ 239.671391][ T5575] sysfs_create_dir_ns+0x22c/0x24c [ 239.672788][ T5575] kobject_add_internal+0x590/0xc54 [ 239.674250][ T5575] kobject_init_and_add+0x118/0x17c [ 239.675665][ T5575] gfs2_sys_fs_add+0x1dc/0x3d8 [ 239.676984][ T5575] gfs2_fill_super+0xdac/0x19e0 [ 239.678307][ T5575] get_tree_bdev+0x358/0x544 [ 239.679560][ T5575] gfs2_get_tree+0x54/0x1b4 [ 239.680847][ T5575] vfs_get_tree+0x90/0x274 [ 239.682115][ T5575] do_new_mount+0x228/0x810 [ 239.683368][ T5575] path_mount+0x5b4/0x1000 [ 239.684607][ T5575] __arm64_sys_mount+0x514/0x5e4 [ 239.686050][ T5575] invoke_syscall+0x98/0x2b8 [ 239.687251][ T5575] el0_svc_common+0x138/0x258 [ 239.688511][ T5575] do_el0_svc+0x58/0x14c [ 239.689732][ T5575] el0_svc+0x78/0x1e0 [ 239.690891][ T5575] el0t_64_sync_handler+0xcc/0xe4 [ 239.692370][ T5575] el0t_64_sync+0x1a0/0x1a4 [ 239.696224][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 239.699898][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.987894][ T5577] loop1: detected capacity change from 0 to 32768 [ 240.000801][ T5577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.002903][ T5577] CPU: 0 PID: 5577 Comm: syz.1.327 Not tainted 5.15.184-syzkaller #0 [ 240.005168][ T5577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.007834][ T5577] Call trace: [ 240.008717][ T5577] dump_backtrace+0x0/0x43c [ 240.009956][ T5577] show_stack+0x2c/0x3c [ 240.011093][ T5577] __dump_stack+0x30/0x40 [ 240.012270][ T5577] dump_stack_lvl+0xf8/0x160 [ 240.013494][ T5577] dump_stack+0x1c/0x5c [ 240.014632][ T5577] sysfs_create_dir_ns+0x22c/0x24c [ 240.016022][ T5577] kobject_add_internal+0x590/0xc54 [ 240.017414][ T5577] kobject_init_and_add+0x118/0x17c [ 240.018833][ T5577] gfs2_sys_fs_add+0x1dc/0x3d8 [ 240.020189][ T5577] gfs2_fill_super+0xdac/0x19e0 [ 240.021550][ T5577] get_tree_bdev+0x358/0x544 [ 240.022799][ T5577] gfs2_get_tree+0x54/0x1b4 [ 240.023971][ T5577] vfs_get_tree+0x90/0x274 [ 240.025134][ T5577] do_new_mount+0x228/0x810 [ 240.026411][ T5577] path_mount+0x5b4/0x1000 [ 240.027620][ T5577] __arm64_sys_mount+0x514/0x5e4 [ 240.028960][ T5577] invoke_syscall+0x98/0x2b8 [ 240.030165][ T5577] el0_svc_common+0x138/0x258 [ 240.031429][ T5577] do_el0_svc+0x58/0x14c [ 240.032602][ T5577] el0_svc+0x78/0x1e0 [ 240.033714][ T5577] el0t_64_sync_handler+0xcc/0xe4 [ 240.035093][ T5577] el0t_64_sync+0x1a0/0x1a4 [ 240.036449][ T5577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.039860][ T5577] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 240.310994][ T5579] loop1: detected capacity change from 0 to 32768 [ 240.352879][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.358599][ T5579] CPU: 1 PID: 5579 Comm: syz.1.328 Not tainted 5.15.184-syzkaller #0 [ 240.360881][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.363637][ T5579] Call trace: [ 240.364541][ T5579] dump_backtrace+0x0/0x43c [ 240.365835][ T5579] show_stack+0x2c/0x3c [ 240.366955][ T5579] __dump_stack+0x30/0x40 [ 240.368168][ T5579] dump_stack_lvl+0xf8/0x160 [ 240.369471][ T5579] dump_stack+0x1c/0x5c [ 240.370623][ T5579] sysfs_create_dir_ns+0x22c/0x24c [ 240.372031][ T5579] kobject_add_internal+0x590/0xc54 [ 240.373449][ T5579] kobject_init_and_add+0x118/0x17c [ 240.374900][ T5579] gfs2_sys_fs_add+0x1dc/0x3d8 [ 240.376217][ T5579] gfs2_fill_super+0xdac/0x19e0 [ 240.377594][ T5579] get_tree_bdev+0x358/0x544 [ 240.378842][ T5579] gfs2_get_tree+0x54/0x1b4 [ 240.380068][ T5579] vfs_get_tree+0x90/0x274 [ 240.381262][ T5579] do_new_mount+0x228/0x810 [ 240.382447][ T5579] path_mount+0x5b4/0x1000 [ 240.383671][ T5579] __arm64_sys_mount+0x514/0x5e4 [ 240.385036][ T5579] invoke_syscall+0x98/0x2b8 [ 240.386261][ T5579] el0_svc_common+0x138/0x258 [ 240.387497][ T5579] do_el0_svc+0x58/0x14c [ 240.388670][ T5579] el0_svc+0x78/0x1e0 [ 240.389793][ T5579] el0t_64_sync_handler+0xcc/0xe4 [ 240.391176][ T5579] el0t_64_sync+0x1a0/0x1a4 [ 240.394643][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.398444][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 240.660309][ T5581] loop1: detected capacity change from 0 to 32768 [ 240.714513][ T5581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.716862][ T5581] CPU: 1 PID: 5581 Comm: syz.1.329 Not tainted 5.15.184-syzkaller #0 [ 240.719037][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.721836][ T5581] Call trace: [ 240.722739][ T5581] dump_backtrace+0x0/0x43c [ 240.723992][ T5581] show_stack+0x2c/0x3c [ 240.725104][ T5581] __dump_stack+0x30/0x40 [ 240.726315][ T5581] dump_stack_lvl+0xf8/0x160 [ 240.727609][ T5581] dump_stack+0x1c/0x5c [ 240.728752][ T5581] sysfs_create_dir_ns+0x22c/0x24c [ 240.730217][ T5581] kobject_add_internal+0x590/0xc54 [ 240.731616][ T5581] kobject_init_and_add+0x118/0x17c [ 240.733043][ T5581] gfs2_sys_fs_add+0x1dc/0x3d8 [ 240.734350][ T5581] gfs2_fill_super+0xdac/0x19e0 [ 240.735678][ T5581] get_tree_bdev+0x358/0x544 [ 240.736956][ T5581] gfs2_get_tree+0x54/0x1b4 [ 240.738156][ T5581] vfs_get_tree+0x90/0x274 [ 240.739368][ T5581] do_new_mount+0x228/0x810 [ 240.740647][ T5581] path_mount+0x5b4/0x1000 [ 240.741853][ T5581] __arm64_sys_mount+0x514/0x5e4 [ 240.743221][ T5581] invoke_syscall+0x98/0x2b8 [ 240.744448][ T5581] el0_svc_common+0x138/0x258 [ 240.745777][ T5581] do_el0_svc+0x58/0x14c [ 240.746962][ T5581] el0_svc+0x78/0x1e0 [ 240.748032][ T5581] el0t_64_sync_handler+0xcc/0xe4 [ 240.749365][ T5581] el0t_64_sync+0x1a0/0x1a4 [ 240.752815][ T5581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.756990][ T5581] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:00 executed programs: 316 [ 241.022449][ T5583] loop1: detected capacity change from 0 to 32768 [ 241.072244][ T5583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 241.074410][ T5583] CPU: 1 PID: 5583 Comm: syz.1.330 Not tainted 5.15.184-syzkaller #0 [ 241.076757][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 241.079632][ T5583] Call trace: [ 241.080583][ T5583] dump_backtrace+0x0/0x43c [ 241.081872][ T5583] show_stack+0x2c/0x3c [ 241.083078][ T5583] __dump_stack+0x30/0x40 [ 241.084246][ T5583] dump_stack_lvl+0xf8/0x160 [ 241.085515][ T5583] dump_stack+0x1c/0x5c [ 241.086656][ T5583] sysfs_create_dir_ns+0x22c/0x24c [ 241.088048][ T5583] kobject_add_internal+0x590/0xc54 [ 241.089444][ T5583] kobject_init_and_add+0x118/0x17c [ 241.090911][ T5583] gfs2_sys_fs_add+0x1dc/0x3d8 [ 241.092197][ T5583] gfs2_fill_super+0xdac/0x19e0 [ 241.093522][ T5583] get_tree_bdev+0x358/0x544 [ 241.094772][ T5583] gfs2_get_tree+0x54/0x1b4 [ 241.096046][ T5583] vfs_get_tree+0x90/0x274 [ 241.097218][ T5583] do_new_mount+0x228/0x810 [ 241.098465][ T5583] path_mount+0x5b4/0x1000 [ 241.099696][ T5583] __arm64_sys_mount+0x514/0x5e4 [ 241.101086][ T5583] invoke_syscall+0x98/0x2b8 [ 241.102351][ T5583] el0_svc_common+0x138/0x258 [ 241.103651][ T5583] do_el0_svc+0x58/0x14c [ 241.104896][ T5583] el0_svc+0x78/0x1e0 [ 241.105973][ T5583] el0t_64_sync_handler+0xcc/0xe4 [ 241.107348][ T5583] el0t_64_sync+0x1a0/0x1a4 [ 241.110812][ T5583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 241.114557][ T5583] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.387785][ T5585] loop1: detected capacity change from 0 to 32768 [ 241.440426][ T5585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 241.443234][ T5585] CPU: 1 PID: 5585 Comm: syz.1.331 Not tainted 5.15.184-syzkaller #0 [ 241.445594][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 241.448382][ T5585] Call trace: [ 241.449284][ T5585] dump_backtrace+0x0/0x43c [ 241.450559][ T5585] show_stack+0x2c/0x3c [ 241.451776][ T5585] __dump_stack+0x30/0x40 [ 241.452968][ T5585] dump_stack_lvl+0xf8/0x160 [ 241.454259][ T5585] dump_stack+0x1c/0x5c [ 241.455429][ T5585] sysfs_create_dir_ns+0x22c/0x24c [ 241.456798][ T5585] kobject_add_internal+0x590/0xc54 [ 241.458255][ T5585] kobject_init_and_add+0x118/0x17c [ 241.459660][ T5585] gfs2_sys_fs_add+0x1dc/0x3d8 [ 241.461049][ T5585] gfs2_fill_super+0xdac/0x19e0 [ 241.462425][ T5585] get_tree_bdev+0x358/0x544 [ 241.463707][ T5585] gfs2_get_tree+0x54/0x1b4 [ 241.464983][ T5585] vfs_get_tree+0x90/0x274 [ 241.466218][ T5585] do_new_mount+0x228/0x810 [ 241.467520][ T5585] path_mount+0x5b4/0x1000 [ 241.468810][ T5585] __arm64_sys_mount+0x514/0x5e4 [ 241.470176][ T5585] invoke_syscall+0x98/0x2b8 [ 241.471492][ T5585] el0_svc_common+0x138/0x258 [ 241.472824][ T5585] do_el0_svc+0x58/0x14c [ 241.474036][ T5585] el0_svc+0x78/0x1e0 [ 241.475199][ T5585] el0t_64_sync_handler+0xcc/0xe4 [ 241.476540][ T5585] el0t_64_sync+0x1a0/0x1a4 [ 241.480343][ T5585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 241.484110][ T5585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.755876][ T5587] loop1: detected capacity change from 0 to 32768 [ 241.823715][ T5587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 241.826009][ T5587] CPU: 1 PID: 5587 Comm: syz.1.332 Not tainted 5.15.184-syzkaller #0 [ 241.828303][ T5587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 241.831009][ T5587] Call trace: [ 241.831938][ T5587] dump_backtrace+0x0/0x43c [ 241.833158][ T5587] show_stack+0x2c/0x3c [ 241.834332][ T5587] __dump_stack+0x30/0x40 [ 241.835543][ T5587] dump_stack_lvl+0xf8/0x160 [ 241.836838][ T5587] dump_stack+0x1c/0x5c [ 241.837940][ T5587] sysfs_create_dir_ns+0x22c/0x24c [ 241.839328][ T5587] kobject_add_internal+0x590/0xc54 [ 241.840795][ T5587] kobject_init_and_add+0x118/0x17c [ 241.842241][ T5587] gfs2_sys_fs_add+0x1dc/0x3d8 [ 241.843595][ T5587] gfs2_fill_super+0xdac/0x19e0 [ 241.844981][ T5587] get_tree_bdev+0x358/0x544 [ 241.846291][ T5587] gfs2_get_tree+0x54/0x1b4 [ 241.847544][ T5587] vfs_get_tree+0x90/0x274 [ 241.848805][ T5587] do_new_mount+0x228/0x810 [ 241.850014][ T5587] path_mount+0x5b4/0x1000 [ 241.851176][ T5587] __arm64_sys_mount+0x514/0x5e4 [ 241.852491][ T5587] invoke_syscall+0x98/0x2b8 [ 241.853731][ T5587] el0_svc_common+0x138/0x258 [ 241.855030][ T5587] do_el0_svc+0x58/0x14c [ 241.856184][ T5587] el0_svc+0x78/0x1e0 [ 241.857244][ T5587] el0t_64_sync_handler+0xcc/0xe4 [ 241.858631][ T5587] el0t_64_sync+0x1a0/0x1a4 [ 241.862090][ T5587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 241.869206][ T5587] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 242.139509][ T5589] loop1: detected capacity change from 0 to 32768 [ 242.182405][ T5589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.184544][ T5589] CPU: 0 PID: 5589 Comm: syz.1.333 Not tainted 5.15.184-syzkaller #0 [ 242.186863][ T5589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 242.189736][ T5589] Call trace: [ 242.190613][ T5589] dump_backtrace+0x0/0x43c [ 242.191852][ T5589] show_stack+0x2c/0x3c [ 242.192990][ T5589] __dump_stack+0x30/0x40 [ 242.194221][ T5589] dump_stack_lvl+0xf8/0x160 [ 242.195466][ T5589] dump_stack+0x1c/0x5c [ 242.196602][ T5589] sysfs_create_dir_ns+0x22c/0x24c [ 242.198026][ T5589] kobject_add_internal+0x590/0xc54 [ 242.199496][ T5589] kobject_init_and_add+0x118/0x17c [ 242.200930][ T5589] gfs2_sys_fs_add+0x1dc/0x3d8 [ 242.202225][ T5589] gfs2_fill_super+0xdac/0x19e0 [ 242.203600][ T5589] get_tree_bdev+0x358/0x544 [ 242.204881][ T5589] gfs2_get_tree+0x54/0x1b4 [ 242.206168][ T5589] vfs_get_tree+0x90/0x274 [ 242.207383][ T5589] do_new_mount+0x228/0x810 [ 242.208636][ T5589] path_mount+0x5b4/0x1000 [ 242.209864][ T5589] __arm64_sys_mount+0x514/0x5e4 [ 242.211218][ T5589] invoke_syscall+0x98/0x2b8 [ 242.212518][ T5589] el0_svc_common+0x138/0x258 [ 242.213817][ T5589] do_el0_svc+0x58/0x14c [ 242.215004][ T5589] el0_svc+0x78/0x1e0 [ 242.216136][ T5589] el0t_64_sync_handler+0xcc/0xe4 [ 242.217514][ T5589] el0t_64_sync+0x1a0/0x1a4 [ 242.220253][ T5589] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.223888][ T5589] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 242.549936][ T5591] loop1: detected capacity change from 0 to 32768 [ 242.591339][ T5591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.593625][ T5591] CPU: 1 PID: 5591 Comm: syz.1.334 Not tainted 5.15.184-syzkaller #0 [ 242.595886][ T5591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 242.598733][ T5591] Call trace: [ 242.599630][ T5591] dump_backtrace+0x0/0x43c [ 242.600885][ T5591] show_stack+0x2c/0x3c [ 242.601972][ T5591] __dump_stack+0x30/0x40 [ 242.603112][ T5591] dump_stack_lvl+0xf8/0x160 [ 242.604438][ T5591] dump_stack+0x1c/0x5c [ 242.605599][ T5591] sysfs_create_dir_ns+0x22c/0x24c [ 242.607024][ T5591] kobject_add_internal+0x590/0xc54 [ 242.608470][ T5591] kobject_init_and_add+0x118/0x17c [ 242.609930][ T5591] gfs2_sys_fs_add+0x1dc/0x3d8 [ 242.611251][ T5591] gfs2_fill_super+0xdac/0x19e0 [ 242.612601][ T5591] get_tree_bdev+0x358/0x544 [ 242.613970][ T5591] gfs2_get_tree+0x54/0x1b4 [ 242.615218][ T5591] vfs_get_tree+0x90/0x274 [ 242.616482][ T5591] do_new_mount+0x228/0x810 [ 242.617787][ T5591] path_mount+0x5b4/0x1000 [ 242.619108][ T5591] __arm64_sys_mount+0x514/0x5e4 [ 242.620535][ T5591] invoke_syscall+0x98/0x2b8 [ 242.621847][ T5591] el0_svc_common+0x138/0x258 [ 242.623206][ T5591] do_el0_svc+0x58/0x14c [ 242.624505][ T5591] el0_svc+0x78/0x1e0 [ 242.625622][ T5591] el0t_64_sync_handler+0xcc/0xe4 [ 242.627077][ T5591] el0t_64_sync+0x1a0/0x1a4 [ 242.630951][ T5591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.634771][ T5591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 242.898868][ T5593] loop1: detected capacity change from 0 to 32768 [ 242.946700][ T5593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.948869][ T5593] CPU: 0 PID: 5593 Comm: syz.1.335 Not tainted 5.15.184-syzkaller #0 [ 242.951068][ T5593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 242.953744][ T5593] Call trace: [ 242.954639][ T5593] dump_backtrace+0x0/0x43c [ 242.955908][ T5593] show_stack+0x2c/0x3c [ 242.957009][ T5593] __dump_stack+0x30/0x40 [ 242.958217][ T5593] dump_stack_lvl+0xf8/0x160 [ 242.959470][ T5593] dump_stack+0x1c/0x5c [ 242.960643][ T5593] sysfs_create_dir_ns+0x22c/0x24c [ 242.962109][ T5593] kobject_add_internal+0x590/0xc54 [ 242.963522][ T5593] kobject_init_and_add+0x118/0x17c [ 242.964937][ T5593] gfs2_sys_fs_add+0x1dc/0x3d8 [ 242.966235][ T5593] gfs2_fill_super+0xdac/0x19e0 [ 242.967575][ T5593] get_tree_bdev+0x358/0x544 [ 242.968954][ T5593] gfs2_get_tree+0x54/0x1b4 [ 242.970219][ T5593] vfs_get_tree+0x90/0x274 [ 242.971484][ T5593] do_new_mount+0x228/0x810 [ 242.972803][ T5593] path_mount+0x5b4/0x1000 [ 242.974055][ T5593] __arm64_sys_mount+0x514/0x5e4 [ 242.975422][ T5593] invoke_syscall+0x98/0x2b8 [ 242.976634][ T5593] el0_svc_common+0x138/0x258 [ 242.977915][ T5593] do_el0_svc+0x58/0x14c [ 242.979107][ T5593] el0_svc+0x78/0x1e0 [ 242.980229][ T5593] el0t_64_sync_handler+0xcc/0xe4 [ 242.981633][ T5593] el0t_64_sync+0x1a0/0x1a4 [ 242.983209][ T5593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.986881][ T5593] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.254452][ T5595] loop1: detected capacity change from 0 to 32768 [ 243.314006][ T5595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 243.316169][ T5595] CPU: 1 PID: 5595 Comm: syz.1.336 Not tainted 5.15.184-syzkaller #0 [ 243.318407][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 243.321215][ T5595] Call trace: [ 243.322139][ T5595] dump_backtrace+0x0/0x43c [ 243.323340][ T5595] show_stack+0x2c/0x3c [ 243.324477][ T5595] __dump_stack+0x30/0x40 [ 243.325667][ T5595] dump_stack_lvl+0xf8/0x160 [ 243.326965][ T5595] dump_stack+0x1c/0x5c [ 243.328116][ T5595] sysfs_create_dir_ns+0x22c/0x24c [ 243.329576][ T5595] kobject_add_internal+0x590/0xc54 [ 243.331098][ T5595] kobject_init_and_add+0x118/0x17c [ 243.332528][ T5595] gfs2_sys_fs_add+0x1dc/0x3d8 [ 243.333902][ T5595] gfs2_fill_super+0xdac/0x19e0 [ 243.335249][ T5595] get_tree_bdev+0x358/0x544 [ 243.336517][ T5595] gfs2_get_tree+0x54/0x1b4 [ 243.337719][ T5595] vfs_get_tree+0x90/0x274 [ 243.338976][ T5595] do_new_mount+0x228/0x810 [ 243.340237][ T5595] path_mount+0x5b4/0x1000 [ 243.341498][ T5595] __arm64_sys_mount+0x514/0x5e4 [ 243.342854][ T5595] invoke_syscall+0x98/0x2b8 [ 243.344108][ T5595] el0_svc_common+0x138/0x258 [ 243.345410][ T5595] do_el0_svc+0x58/0x14c [ 243.346625][ T5595] el0_svc+0x78/0x1e0 [ 243.347814][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 243.349160][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 243.352970][ T5595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 243.356806][ T5595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.613854][ T5597] loop1: detected capacity change from 0 to 32768 [ 243.667016][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 243.669256][ T5597] CPU: 1 PID: 5597 Comm: syz.1.337 Not tainted 5.15.184-syzkaller #0 [ 243.671606][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 243.674432][ T5597] Call trace: [ 243.675389][ T5597] dump_backtrace+0x0/0x43c [ 243.676638][ T5597] show_stack+0x2c/0x3c [ 243.677925][ T5597] __dump_stack+0x30/0x40 [ 243.679127][ T5597] dump_stack_lvl+0xf8/0x160 [ 243.680414][ T5597] dump_stack+0x1c/0x5c [ 243.681655][ T5597] sysfs_create_dir_ns+0x22c/0x24c [ 243.683127][ T5597] kobject_add_internal+0x590/0xc54 [ 243.684681][ T5597] kobject_init_and_add+0x118/0x17c [ 243.686181][ T5597] gfs2_sys_fs_add+0x1dc/0x3d8 [ 243.687587][ T5597] gfs2_fill_super+0xdac/0x19e0 [ 243.689072][ T5597] get_tree_bdev+0x358/0x544 [ 243.690404][ T5597] gfs2_get_tree+0x54/0x1b4 [ 243.691821][ T5597] vfs_get_tree+0x90/0x274 [ 243.693055][ T5597] do_new_mount+0x228/0x810 [ 243.694366][ T5597] path_mount+0x5b4/0x1000 [ 243.695656][ T5597] __arm64_sys_mount+0x514/0x5e4 [ 243.697131][ T5597] invoke_syscall+0x98/0x2b8 [ 243.698484][ T5597] el0_svc_common+0x138/0x258 [ 243.699792][ T5597] do_el0_svc+0x58/0x14c [ 243.701089][ T5597] el0_svc+0x78/0x1e0 [ 243.702282][ T5597] el0t_64_sync_handler+0xcc/0xe4 [ 243.703993][ T5597] el0t_64_sync+0x1a0/0x1a4 [ 243.711391][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 243.715152][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.975870][ T5599] loop1: detected capacity change from 0 to 32768 [ 244.020336][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 244.022545][ T5599] CPU: 0 PID: 5599 Comm: syz.1.338 Not tainted 5.15.184-syzkaller #0 [ 244.024796][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 244.027669][ T5599] Call trace: [ 244.028559][ T5599] dump_backtrace+0x0/0x43c [ 244.029831][ T5599] show_stack+0x2c/0x3c [ 244.030970][ T5599] __dump_stack+0x30/0x40 [ 244.032223][ T5599] dump_stack_lvl+0xf8/0x160 [ 244.033469][ T5599] dump_stack+0x1c/0x5c [ 244.034621][ T5599] sysfs_create_dir_ns+0x22c/0x24c [ 244.036152][ T5599] kobject_add_internal+0x590/0xc54 [ 244.037684][ T5599] kobject_init_and_add+0x118/0x17c [ 244.039151][ T5599] gfs2_sys_fs_add+0x1dc/0x3d8 [ 244.040509][ T5599] gfs2_fill_super+0xdac/0x19e0 [ 244.041913][ T5599] get_tree_bdev+0x358/0x544 [ 244.043232][ T5599] gfs2_get_tree+0x54/0x1b4 [ 244.044529][ T5599] vfs_get_tree+0x90/0x274 [ 244.045789][ T5599] do_new_mount+0x228/0x810 [ 244.047106][ T5599] path_mount+0x5b4/0x1000 [ 244.048358][ T5599] __arm64_sys_mount+0x514/0x5e4 [ 244.049714][ T5599] invoke_syscall+0x98/0x2b8 [ 244.051059][ T5599] el0_svc_common+0x138/0x258 [ 244.052409][ T5599] do_el0_svc+0x58/0x14c [ 244.053616][ T5599] el0_svc+0x78/0x1e0 [ 244.054788][ T5599] el0t_64_sync_handler+0xcc/0xe4 [ 244.056230][ T5599] el0t_64_sync+0x1a0/0x1a4 [ 244.059133][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.062843][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 244.333803][ T5601] loop1: detected capacity change from 0 to 32768 [ 244.338258][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 244.340358][ T5601] CPU: 0 PID: 5601 Comm: syz.1.339 Not tainted 5.15.184-syzkaller #0 [ 244.342611][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 244.345415][ T5601] Call trace: [ 244.346389][ T5601] dump_backtrace+0x0/0x43c [ 244.347654][ T5601] show_stack+0x2c/0x3c [ 244.348888][ T5601] __dump_stack+0x30/0x40 [ 244.350111][ T5601] dump_stack_lvl+0xf8/0x160 [ 244.351382][ T5601] dump_stack+0x1c/0x5c [ 244.352580][ T5601] sysfs_create_dir_ns+0x22c/0x24c [ 244.354005][ T5601] kobject_add_internal+0x590/0xc54 [ 244.355426][ T5601] kobject_init_and_add+0x118/0x17c [ 244.356966][ T5601] gfs2_sys_fs_add+0x1dc/0x3d8 [ 244.358331][ T5601] gfs2_fill_super+0xdac/0x19e0 [ 244.359698][ T5601] get_tree_bdev+0x358/0x544 [ 244.361038][ T5601] gfs2_get_tree+0x54/0x1b4 [ 244.362365][ T5601] vfs_get_tree+0x90/0x274 [ 244.363584][ T5601] do_new_mount+0x228/0x810 [ 244.364864][ T5601] path_mount+0x5b4/0x1000 [ 244.366116][ T5601] __arm64_sys_mount+0x514/0x5e4 [ 244.367506][ T5601] invoke_syscall+0x98/0x2b8 [ 244.368760][ T5601] el0_svc_common+0x138/0x258 [ 244.370034][ T5601] do_el0_svc+0x58/0x14c [ 244.371250][ T5601] el0_svc+0x78/0x1e0 [ 244.372388][ T5601] el0t_64_sync_handler+0xcc/0xe4 [ 244.373811][ T5601] el0t_64_sync+0x1a0/0x1a4 [ 244.377545][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.381203][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 244.800673][ T5603] loop1: detected capacity change from 0 to 32768 [ 244.845220][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 244.847458][ T5603] CPU: 1 PID: 5603 Comm: syz.1.340 Not tainted 5.15.184-syzkaller #0 [ 244.849709][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 244.852393][ T5603] Call trace: [ 244.853299][ T5603] dump_backtrace+0x0/0x43c [ 244.854672][ T5603] show_stack+0x2c/0x3c [ 244.855840][ T5603] __dump_stack+0x30/0x40 [ 244.857183][ T5603] dump_stack_lvl+0xf8/0x160 [ 244.858575][ T5603] dump_stack+0x1c/0x5c [ 244.859829][ T5603] sysfs_create_dir_ns+0x22c/0x24c [ 244.861313][ T5603] kobject_add_internal+0x590/0xc54 [ 244.862771][ T5603] kobject_init_and_add+0x118/0x17c [ 244.864266][ T5603] gfs2_sys_fs_add+0x1dc/0x3d8 [ 244.865611][ T5603] gfs2_fill_super+0xdac/0x19e0 [ 244.866989][ T5603] get_tree_bdev+0x358/0x544 [ 244.868266][ T5603] gfs2_get_tree+0x54/0x1b4 [ 244.869500][ T5603] vfs_get_tree+0x90/0x274 [ 244.870718][ T5603] do_new_mount+0x228/0x810 [ 244.872009][ T5603] path_mount+0x5b4/0x1000 [ 244.873281][ T5603] __arm64_sys_mount+0x514/0x5e4 [ 244.874667][ T5603] invoke_syscall+0x98/0x2b8 [ 244.876071][ T5603] el0_svc_common+0x138/0x258 [ 244.877435][ T5603] do_el0_svc+0x58/0x14c [ 244.878648][ T5603] el0_svc+0x78/0x1e0 [ 244.879762][ T5603] el0t_64_sync_handler+0xcc/0xe4 [ 244.881198][ T5603] el0t_64_sync+0x1a0/0x1a4 [ 244.884271][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.888779][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.191658][ T5605] loop1: detected capacity change from 0 to 32768 [ 245.241115][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.243432][ T5605] CPU: 1 PID: 5605 Comm: syz.1.341 Not tainted 5.15.184-syzkaller #0 [ 245.245733][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.248598][ T5605] Call trace: [ 245.249546][ T5605] dump_backtrace+0x0/0x43c [ 245.250896][ T5605] show_stack+0x2c/0x3c [ 245.252047][ T5605] __dump_stack+0x30/0x40 [ 245.253209][ T5605] dump_stack_lvl+0xf8/0x160 [ 245.254499][ T5605] dump_stack+0x1c/0x5c [ 245.255611][ T5605] sysfs_create_dir_ns+0x22c/0x24c [ 245.257008][ T5605] kobject_add_internal+0x590/0xc54 [ 245.258496][ T5605] kobject_init_and_add+0x118/0x17c [ 245.260032][ T5605] gfs2_sys_fs_add+0x1dc/0x3d8 [ 245.261407][ T5605] gfs2_fill_super+0xdac/0x19e0 [ 245.262757][ T5605] get_tree_bdev+0x358/0x544 [ 245.264041][ T5605] gfs2_get_tree+0x54/0x1b4 [ 245.265261][ T5605] vfs_get_tree+0x90/0x274 [ 245.266432][ T5605] do_new_mount+0x228/0x810 [ 245.267730][ T5605] path_mount+0x5b4/0x1000 [ 245.268959][ T5605] __arm64_sys_mount+0x514/0x5e4 [ 245.270296][ T5605] invoke_syscall+0x98/0x2b8 [ 245.271559][ T5605] el0_svc_common+0x138/0x258 [ 245.272882][ T5605] do_el0_svc+0x58/0x14c [ 245.274030][ T5605] el0_svc+0x78/0x1e0 [ 245.275150][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 245.276509][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 245.278866][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.282455][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.564818][ T5607] loop1: detected capacity change from 0 to 32768 [ 245.622461][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.624635][ T5607] CPU: 0 PID: 5607 Comm: syz.1.342 Not tainted 5.15.184-syzkaller #0 [ 245.626908][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.629701][ T5607] Call trace: [ 245.630790][ T5607] dump_backtrace+0x0/0x43c [ 245.632056][ T5607] show_stack+0x2c/0x3c [ 245.633225][ T5607] __dump_stack+0x30/0x40 [ 245.634394][ T5607] dump_stack_lvl+0xf8/0x160 [ 245.635651][ T5607] dump_stack+0x1c/0x5c [ 245.636775][ T5607] sysfs_create_dir_ns+0x22c/0x24c [ 245.638164][ T5607] kobject_add_internal+0x590/0xc54 [ 245.639534][ T5607] kobject_init_and_add+0x118/0x17c [ 245.640927][ T5607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 245.642250][ T5607] gfs2_fill_super+0xdac/0x19e0 [ 245.643522][ T5607] get_tree_bdev+0x358/0x544 [ 245.644823][ T5607] gfs2_get_tree+0x54/0x1b4 [ 245.646051][ T5607] vfs_get_tree+0x90/0x274 [ 245.647261][ T5607] do_new_mount+0x228/0x810 [ 245.648510][ T5607] path_mount+0x5b4/0x1000 [ 245.649703][ T5607] __arm64_sys_mount+0x514/0x5e4 [ 245.651114][ T5607] invoke_syscall+0x98/0x2b8 [ 245.652392][ T5607] el0_svc_common+0x138/0x258 [ 245.653667][ T5607] do_el0_svc+0x58/0x14c [ 245.654761][ T5607] el0_svc+0x78/0x1e0 [ 245.655817][ T5607] el0t_64_sync_handler+0xcc/0xe4 [ 245.657250][ T5607] el0t_64_sync+0x1a0/0x1a4 [ 245.661904][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.665754][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.767183][ T4140] Bluetooth: hci1: command 0x0406 tx timeout [ 245.942462][ T5609] loop1: detected capacity change from 0 to 32768 [ 245.991552][ T5609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.993799][ T5609] CPU: 0 PID: 5609 Comm: syz.1.343 Not tainted 5.15.184-syzkaller #0 [ 245.995980][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.998695][ T5609] Call trace: [ 245.999564][ T5609] dump_backtrace+0x0/0x43c [ 246.000801][ T5609] show_stack+0x2c/0x3c [ 246.001975][ T5609] __dump_stack+0x30/0x40 [ 246.003120][ T5609] dump_stack_lvl+0xf8/0x160 [ 246.004410][ T5609] dump_stack+0x1c/0x5c [ 246.005588][ T5609] sysfs_create_dir_ns+0x22c/0x24c [ 246.007031][ T5609] kobject_add_internal+0x590/0xc54 [ 246.008483][ T5609] kobject_init_and_add+0x118/0x17c [ 246.009937][ T5609] gfs2_sys_fs_add+0x1dc/0x3d8 [ 246.011228][ T5609] gfs2_fill_super+0xdac/0x19e0 [ 246.012506][ T5609] get_tree_bdev+0x358/0x544 [ 246.013710][ T5609] gfs2_get_tree+0x54/0x1b4 [ 246.015010][ T5609] vfs_get_tree+0x90/0x274 [ 246.016181][ T5609] do_new_mount+0x228/0x810 [ 246.017468][ T5609] path_mount+0x5b4/0x1000 [ 246.018669][ T5609] __arm64_sys_mount+0x514/0x5e4 [ 246.019967][ T5609] invoke_syscall+0x98/0x2b8 [ 246.021205][ T5609] el0_svc_common+0x138/0x258 [ 246.022462][ T5609] do_el0_svc+0x58/0x14c [ 246.023603][ T5609] el0_svc+0x78/0x1e0 [ 246.024666][ T5609] el0t_64_sync_handler+0xcc/0xe4 [ 246.026032][ T5609] el0t_64_sync+0x1a0/0x1a4 [ 246.028613][ T5609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.032067][ T5609] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:06 executed programs: 330 [ 246.293548][ T5611] loop1: detected capacity change from 0 to 32768 [ 246.351426][ T5611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.353518][ T5611] CPU: 1 PID: 5611 Comm: syz.1.344 Not tainted 5.15.184-syzkaller #0 [ 246.355628][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 246.358505][ T5611] Call trace: [ 246.359400][ T5611] dump_backtrace+0x0/0x43c [ 246.360660][ T5611] show_stack+0x2c/0x3c [ 246.361804][ T5611] __dump_stack+0x30/0x40 [ 246.363083][ T5611] dump_stack_lvl+0xf8/0x160 [ 246.364378][ T5611] dump_stack+0x1c/0x5c [ 246.365525][ T5611] sysfs_create_dir_ns+0x22c/0x24c [ 246.366924][ T5611] kobject_add_internal+0x590/0xc54 [ 246.368355][ T5611] kobject_init_and_add+0x118/0x17c [ 246.369739][ T5611] gfs2_sys_fs_add+0x1dc/0x3d8 [ 246.371017][ T5611] gfs2_fill_super+0xdac/0x19e0 [ 246.372339][ T5611] get_tree_bdev+0x358/0x544 [ 246.373716][ T5611] gfs2_get_tree+0x54/0x1b4 [ 246.374998][ T5611] vfs_get_tree+0x90/0x274 [ 246.376243][ T5611] do_new_mount+0x228/0x810 [ 246.377470][ T5611] path_mount+0x5b4/0x1000 [ 246.378660][ T5611] __arm64_sys_mount+0x514/0x5e4 [ 246.380050][ T5611] invoke_syscall+0x98/0x2b8 [ 246.381366][ T5611] el0_svc_common+0x138/0x258 [ 246.382619][ T5611] do_el0_svc+0x58/0x14c [ 246.383807][ T5611] el0_svc+0x78/0x1e0 [ 246.384909][ T5611] el0t_64_sync_handler+0xcc/0xe4 [ 246.386339][ T5611] el0t_64_sync+0x1a0/0x1a4 [ 246.390131][ T5611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.393861][ T5611] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.654309][ T5613] loop1: detected capacity change from 0 to 32768 [ 246.750215][ T5613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.753134][ T5613] CPU: 1 PID: 5613 Comm: syz.1.345 Not tainted 5.15.184-syzkaller #0 [ 246.755508][ T5613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 246.758438][ T5613] Call trace: [ 246.759448][ T5613] dump_backtrace+0x0/0x43c [ 246.760715][ T5613] show_stack+0x2c/0x3c [ 246.761955][ T5613] __dump_stack+0x30/0x40 [ 246.763151][ T5613] dump_stack_lvl+0xf8/0x160 [ 246.764379][ T5613] dump_stack+0x1c/0x5c [ 246.765546][ T5613] sysfs_create_dir_ns+0x22c/0x24c [ 246.766986][ T5613] kobject_add_internal+0x590/0xc54 [ 246.768456][ T5613] kobject_init_and_add+0x118/0x17c [ 246.769898][ T5613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 246.771264][ T5613] gfs2_fill_super+0xdac/0x19e0 [ 246.772698][ T5613] get_tree_bdev+0x358/0x544 [ 246.774107][ T5613] gfs2_get_tree+0x54/0x1b4 [ 246.775399][ T5613] vfs_get_tree+0x90/0x274 [ 246.776665][ T5613] do_new_mount+0x228/0x810 [ 246.777963][ T5613] path_mount+0x5b4/0x1000 [ 246.779177][ T5613] __arm64_sys_mount+0x514/0x5e4 [ 246.780514][ T5613] invoke_syscall+0x98/0x2b8 [ 246.781846][ T5613] el0_svc_common+0x138/0x258 [ 246.783196][ T5613] do_el0_svc+0x58/0x14c [ 246.784424][ T5613] el0_svc+0x78/0x1e0 [ 246.785539][ T5613] el0t_64_sync_handler+0xcc/0xe4 [ 246.786950][ T5613] el0t_64_sync+0x1a0/0x1a4 [ 246.790464][ T5613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.794181][ T5613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 247.116474][ T5615] loop1: detected capacity change from 0 to 32768 [ 247.179083][ T5615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.181216][ T5615] CPU: 1 PID: 5615 Comm: syz.1.346 Not tainted 5.15.184-syzkaller #0 [ 247.183415][ T5615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.186286][ T5615] Call trace: [ 247.187164][ T5615] dump_backtrace+0x0/0x43c [ 247.188451][ T5615] show_stack+0x2c/0x3c [ 247.189610][ T5615] __dump_stack+0x30/0x40 [ 247.190818][ T5615] dump_stack_lvl+0xf8/0x160 [ 247.192097][ T5615] dump_stack+0x1c/0x5c [ 247.193252][ T5615] sysfs_create_dir_ns+0x22c/0x24c [ 247.194672][ T5615] kobject_add_internal+0x590/0xc54 [ 247.196152][ T5615] kobject_init_and_add+0x118/0x17c [ 247.197559][ T5615] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.198954][ T5615] gfs2_fill_super+0xdac/0x19e0 [ 247.200254][ T5615] get_tree_bdev+0x358/0x544 [ 247.201563][ T5615] gfs2_get_tree+0x54/0x1b4 [ 247.202841][ T5615] vfs_get_tree+0x90/0x274 [ 247.204057][ T5615] do_new_mount+0x228/0x810 [ 247.205327][ T5615] path_mount+0x5b4/0x1000 [ 247.206507][ T5615] __arm64_sys_mount+0x514/0x5e4 [ 247.207885][ T5615] invoke_syscall+0x98/0x2b8 [ 247.209135][ T5615] el0_svc_common+0x138/0x258 [ 247.210535][ T5615] do_el0_svc+0x58/0x14c [ 247.211715][ T5615] el0_svc+0x78/0x1e0 [ 247.212843][ T5615] el0t_64_sync_handler+0xcc/0xe4 [ 247.214291][ T5615] el0t_64_sync+0x1a0/0x1a4 [ 247.218084][ T5615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.221737][ T5615] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 247.478541][ T5617] loop1: detected capacity change from 0 to 32768 [ 247.541557][ T5617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.543661][ T5617] CPU: 1 PID: 5617 Comm: syz.1.347 Not tainted 5.15.184-syzkaller #0 [ 247.545975][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.549046][ T5617] Call trace: [ 247.550030][ T5617] dump_backtrace+0x0/0x43c [ 247.551330][ T5617] show_stack+0x2c/0x3c [ 247.552449][ T5617] __dump_stack+0x30/0x40 [ 247.553627][ T5617] dump_stack_lvl+0xf8/0x160 [ 247.554905][ T5617] dump_stack+0x1c/0x5c [ 247.556050][ T5617] sysfs_create_dir_ns+0x22c/0x24c [ 247.557495][ T5617] kobject_add_internal+0x590/0xc54 [ 247.558937][ T5617] kobject_init_and_add+0x118/0x17c [ 247.560372][ T5617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.561667][ T5617] gfs2_fill_super+0xdac/0x19e0 [ 247.562967][ T5617] get_tree_bdev+0x358/0x544 [ 247.564277][ T5617] gfs2_get_tree+0x54/0x1b4 [ 247.565484][ T5617] vfs_get_tree+0x90/0x274 [ 247.566718][ T5617] do_new_mount+0x228/0x810 [ 247.567920][ T5617] path_mount+0x5b4/0x1000 [ 247.569119][ T5617] __arm64_sys_mount+0x514/0x5e4 [ 247.570439][ T5617] invoke_syscall+0x98/0x2b8 [ 247.571714][ T5617] el0_svc_common+0x138/0x258 [ 247.573041][ T5617] do_el0_svc+0x58/0x14c [ 247.574198][ T5617] el0_svc+0x78/0x1e0 [ 247.575291][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 247.576656][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 247.579176][ T5617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.582732][ T5617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 247.860684][ T5619] loop1: detected capacity change from 0 to 32768 [ 247.914192][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.916470][ T5619] CPU: 1 PID: 5619 Comm: syz.1.348 Not tainted 5.15.184-syzkaller #0 [ 247.918635][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.921435][ T5619] Call trace: [ 247.922341][ T5619] dump_backtrace+0x0/0x43c [ 247.923611][ T5619] show_stack+0x2c/0x3c [ 247.924755][ T5619] __dump_stack+0x30/0x40 [ 247.925974][ T5619] dump_stack_lvl+0xf8/0x160 [ 247.927313][ T5619] dump_stack+0x1c/0x5c [ 247.928478][ T5619] sysfs_create_dir_ns+0x22c/0x24c [ 247.929876][ T5619] kobject_add_internal+0x590/0xc54 [ 247.931296][ T5619] kobject_init_and_add+0x118/0x17c [ 247.932707][ T5619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.934053][ T5619] gfs2_fill_super+0xdac/0x19e0 [ 247.935378][ T5619] get_tree_bdev+0x358/0x544 [ 247.936643][ T5619] gfs2_get_tree+0x54/0x1b4 [ 247.937917][ T5619] vfs_get_tree+0x90/0x274 [ 247.939104][ T5619] do_new_mount+0x228/0x810 [ 247.940382][ T5619] path_mount+0x5b4/0x1000 [ 247.941644][ T5619] __arm64_sys_mount+0x514/0x5e4 [ 247.943003][ T5619] invoke_syscall+0x98/0x2b8 [ 247.944268][ T5619] el0_svc_common+0x138/0x258 [ 247.945550][ T5619] do_el0_svc+0x58/0x14c [ 247.946715][ T5619] el0_svc+0x78/0x1e0 [ 247.947792][ T5619] el0t_64_sync_handler+0xcc/0xe4 [ 247.949192][ T5619] el0t_64_sync+0x1a0/0x1a4 [ 247.953148][ T5619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.956903][ T5619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.226611][ T5621] loop1: detected capacity change from 0 to 32768 [ 248.280091][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.283062][ T5621] CPU: 1 PID: 5621 Comm: syz.1.349 Not tainted 5.15.184-syzkaller #0 [ 248.285394][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 248.288320][ T5621] Call trace: [ 248.289217][ T5621] dump_backtrace+0x0/0x43c [ 248.290445][ T5621] show_stack+0x2c/0x3c [ 248.291561][ T5621] __dump_stack+0x30/0x40 [ 248.292790][ T5621] dump_stack_lvl+0xf8/0x160 [ 248.294084][ T5621] dump_stack+0x1c/0x5c [ 248.295258][ T5621] sysfs_create_dir_ns+0x22c/0x24c [ 248.296770][ T5621] kobject_add_internal+0x590/0xc54 [ 248.298210][ T5621] kobject_init_and_add+0x118/0x17c [ 248.299727][ T5621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 248.301115][ T5621] gfs2_fill_super+0xdac/0x19e0 [ 248.302504][ T5621] get_tree_bdev+0x358/0x544 [ 248.303864][ T5621] gfs2_get_tree+0x54/0x1b4 [ 248.305093][ T5621] vfs_get_tree+0x90/0x274 [ 248.306340][ T5621] do_new_mount+0x228/0x810 [ 248.307633][ T5621] path_mount+0x5b4/0x1000 [ 248.308947][ T5621] __arm64_sys_mount+0x514/0x5e4 [ 248.310324][ T5621] invoke_syscall+0x98/0x2b8 [ 248.311676][ T5621] el0_svc_common+0x138/0x258 [ 248.313013][ T5621] do_el0_svc+0x58/0x14c [ 248.314245][ T5621] el0_svc+0x78/0x1e0 [ 248.315424][ T5621] el0t_64_sync_handler+0xcc/0xe4 [ 248.316926][ T5621] el0t_64_sync+0x1a0/0x1a4 [ 248.320325][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.324071][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.588044][ T5623] loop1: detected capacity change from 0 to 32768 [ 248.635850][ T5623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.638041][ T5623] CPU: 0 PID: 5623 Comm: syz.1.350 Not tainted 5.15.184-syzkaller #0 [ 248.640295][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 248.643084][ T5623] Call trace: [ 248.644025][ T5623] dump_backtrace+0x0/0x43c [ 248.645272][ T5623] show_stack+0x2c/0x3c [ 248.646418][ T5623] __dump_stack+0x30/0x40 [ 248.647568][ T5623] dump_stack_lvl+0xf8/0x160 [ 248.648812][ T5623] dump_stack+0x1c/0x5c [ 248.649999][ T5623] sysfs_create_dir_ns+0x22c/0x24c [ 248.651409][ T5623] kobject_add_internal+0x590/0xc54 [ 248.652829][ T5623] kobject_init_and_add+0x118/0x17c [ 248.654356][ T5623] gfs2_sys_fs_add+0x1dc/0x3d8 [ 248.655649][ T5623] gfs2_fill_super+0xdac/0x19e0 [ 248.656994][ T5623] get_tree_bdev+0x358/0x544 [ 248.658323][ T5623] gfs2_get_tree+0x54/0x1b4 [ 248.659618][ T5623] vfs_get_tree+0x90/0x274 [ 248.660939][ T5623] do_new_mount+0x228/0x810 [ 248.662202][ T5623] path_mount+0x5b4/0x1000 [ 248.663451][ T5623] __arm64_sys_mount+0x514/0x5e4 [ 248.664773][ T5623] invoke_syscall+0x98/0x2b8 [ 248.666008][ T5623] el0_svc_common+0x138/0x258 [ 248.667277][ T5623] do_el0_svc+0x58/0x14c [ 248.668456][ T5623] el0_svc+0x78/0x1e0 [ 248.669564][ T5623] el0t_64_sync_handler+0xcc/0xe4 [ 248.671019][ T5623] el0t_64_sync+0x1a0/0x1a4 [ 248.676187][ T5623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.679974][ T5623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.946133][ T5625] loop1: detected capacity change from 0 to 32768 [ 249.003458][ T5625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 249.005984][ T5625] CPU: 1 PID: 5625 Comm: syz.1.351 Not tainted 5.15.184-syzkaller #0 [ 249.008212][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 249.010948][ T5625] Call trace: [ 249.011824][ T5625] dump_backtrace+0x0/0x43c [ 249.013010][ T5625] show_stack+0x2c/0x3c [ 249.014129][ T5625] __dump_stack+0x30/0x40 [ 249.015392][ T5625] dump_stack_lvl+0xf8/0x160 [ 249.016689][ T5625] dump_stack+0x1c/0x5c [ 249.017911][ T5625] sysfs_create_dir_ns+0x22c/0x24c [ 249.019407][ T5625] kobject_add_internal+0x590/0xc54 [ 249.020858][ T5625] kobject_init_and_add+0x118/0x17c [ 249.022276][ T5625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 249.023634][ T5625] gfs2_fill_super+0xdac/0x19e0 [ 249.024975][ T5625] get_tree_bdev+0x358/0x544 [ 249.026217][ T5625] gfs2_get_tree+0x54/0x1b4 [ 249.027471][ T5625] vfs_get_tree+0x90/0x274 [ 249.028718][ T5625] do_new_mount+0x228/0x810 [ 249.029975][ T5625] path_mount+0x5b4/0x1000 [ 249.031303][ T5625] __arm64_sys_mount+0x514/0x5e4 [ 249.032688][ T5625] invoke_syscall+0x98/0x2b8 [ 249.034002][ T5625] el0_svc_common+0x138/0x258 [ 249.035287][ T5625] do_el0_svc+0x58/0x14c [ 249.036524][ T5625] el0_svc+0x78/0x1e0 [ 249.037669][ T5625] el0t_64_sync_handler+0xcc/0xe4 [ 249.039094][ T5625] el0t_64_sync+0x1a0/0x1a4 [ 249.041510][ T5625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 249.045665][ T5625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 249.328164][ T5627] loop1: detected capacity change from 0 to 32768 [ 249.383904][ T5627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 249.386173][ T5627] CPU: 1 PID: 5627 Comm: syz.1.352 Not tainted 5.15.184-syzkaller #0 [ 249.388409][ T5627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 249.391257][ T5627] Call trace: [ 249.392131][ T5627] dump_backtrace+0x0/0x43c [ 249.393371][ T5627] show_stack+0x2c/0x3c [ 249.394547][ T5627] __dump_stack+0x30/0x40 [ 249.395731][ T5627] dump_stack_lvl+0xf8/0x160 [ 249.396998][ T5627] dump_stack+0x1c/0x5c [ 249.398146][ T5627] sysfs_create_dir_ns+0x22c/0x24c [ 249.399622][ T5627] kobject_add_internal+0x590/0xc54 [ 249.401126][ T5627] kobject_init_and_add+0x118/0x17c [ 249.402583][ T5627] gfs2_sys_fs_add+0x1dc/0x3d8 [ 249.403915][ T5627] gfs2_fill_super+0xdac/0x19e0 [ 249.405252][ T5627] get_tree_bdev+0x358/0x544 [ 249.406526][ T5627] gfs2_get_tree+0x54/0x1b4 [ 249.407841][ T5627] vfs_get_tree+0x90/0x274 [ 249.409004][ T5627] do_new_mount+0x228/0x810 [ 249.410303][ T5627] path_mount+0x5b4/0x1000 [ 249.411542][ T5627] __arm64_sys_mount+0x514/0x5e4 [ 249.412884][ T5627] invoke_syscall+0x98/0x2b8 [ 249.414158][ T5627] el0_svc_common+0x138/0x258 [ 249.415473][ T5627] do_el0_svc+0x58/0x14c [ 249.416620][ T5627] el0_svc+0x78/0x1e0 [ 249.417781][ T5627] el0t_64_sync_handler+0xcc/0xe4 [ 249.419177][ T5627] el0t_64_sync+0x1a0/0x1a4 [ 249.422760][ T5627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 249.429189][ T5627] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 249.703644][ T5629] loop1: detected capacity change from 0 to 32768 [ 249.765397][ T5629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 249.767701][ T5629] CPU: 1 PID: 5629 Comm: syz.1.353 Not tainted 5.15.184-syzkaller #0 [ 249.769933][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 249.772794][ T5629] Call trace: [ 249.773691][ T5629] dump_backtrace+0x0/0x43c [ 249.774906][ T5629] show_stack+0x2c/0x3c [ 249.776045][ T5629] __dump_stack+0x30/0x40 [ 249.777212][ T5629] dump_stack_lvl+0xf8/0x160 [ 249.778493][ T5629] dump_stack+0x1c/0x5c [ 249.779611][ T5629] sysfs_create_dir_ns+0x22c/0x24c [ 249.781026][ T5629] kobject_add_internal+0x590/0xc54 [ 249.782561][ T5629] kobject_init_and_add+0x118/0x17c [ 249.784185][ T5629] gfs2_sys_fs_add+0x1dc/0x3d8 [ 249.785543][ T5629] gfs2_fill_super+0xdac/0x19e0 [ 249.786948][ T5629] get_tree_bdev+0x358/0x544 [ 249.788240][ T5629] gfs2_get_tree+0x54/0x1b4 [ 249.789487][ T5629] vfs_get_tree+0x90/0x274 [ 249.790669][ T5629] do_new_mount+0x228/0x810 [ 249.791918][ T5629] path_mount+0x5b4/0x1000 [ 249.793111][ T5629] __arm64_sys_mount+0x514/0x5e4 [ 249.794483][ T5629] invoke_syscall+0x98/0x2b8 [ 249.795682][ T5629] el0_svc_common+0x138/0x258 [ 249.797049][ T5629] do_el0_svc+0x58/0x14c [ 249.798205][ T5629] el0_svc+0x78/0x1e0 [ 249.799343][ T5629] el0t_64_sync_handler+0xcc/0xe4 [ 249.800688][ T5629] el0t_64_sync+0x1a0/0x1a4 [ 249.804588][ T5629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 249.808829][ T5629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 250.070417][ T5631] loop1: detected capacity change from 0 to 32768 [ 250.119613][ T5631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 250.121713][ T5631] CPU: 1 PID: 5631 Comm: syz.1.354 Not tainted 5.15.184-syzkaller #0 [ 250.123984][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 250.126777][ T5631] Call trace: [ 250.127713][ T5631] dump_backtrace+0x0/0x43c [ 250.129009][ T5631] show_stack+0x2c/0x3c [ 250.130149][ T5631] __dump_stack+0x30/0x40 [ 250.131321][ T5631] dump_stack_lvl+0xf8/0x160 [ 250.132637][ T5631] dump_stack+0x1c/0x5c [ 250.133777][ T5631] sysfs_create_dir_ns+0x22c/0x24c [ 250.135184][ T5631] kobject_add_internal+0x590/0xc54 [ 250.136710][ T5631] kobject_init_and_add+0x118/0x17c [ 250.138262][ T5631] gfs2_sys_fs_add+0x1dc/0x3d8 [ 250.139552][ T5631] gfs2_fill_super+0xdac/0x19e0 [ 250.140966][ T5631] get_tree_bdev+0x358/0x544 [ 250.142235][ T5631] gfs2_get_tree+0x54/0x1b4 [ 250.143492][ T5631] vfs_get_tree+0x90/0x274 [ 250.144745][ T5631] do_new_mount+0x228/0x810 [ 250.146000][ T5631] path_mount+0x5b4/0x1000 [ 250.147245][ T5631] __arm64_sys_mount+0x514/0x5e4 [ 250.148567][ T5631] invoke_syscall+0x98/0x2b8 [ 250.149863][ T5631] el0_svc_common+0x138/0x258 [ 250.151170][ T5631] do_el0_svc+0x58/0x14c [ 250.152345][ T5631] el0_svc+0x78/0x1e0 [ 250.153450][ T5631] el0t_64_sync_handler+0xcc/0xe4 [ 250.154876][ T5631] el0t_64_sync+0x1a0/0x1a4 [ 250.158186][ T5631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 250.161898][ T5631] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 250.421977][ T5633] loop1: detected capacity change from 0 to 32768 [ 250.506155][ T5633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 250.508318][ T5633] CPU: 0 PID: 5633 Comm: syz.1.355 Not tainted 5.15.184-syzkaller #0 [ 250.510574][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 250.513395][ T5633] Call trace: [ 250.514311][ T5633] dump_backtrace+0x0/0x43c [ 250.515548][ T5633] show_stack+0x2c/0x3c [ 250.516725][ T5633] __dump_stack+0x30/0x40 [ 250.517944][ T5633] dump_stack_lvl+0xf8/0x160 [ 250.519208][ T5633] dump_stack+0x1c/0x5c [ 250.520375][ T5633] sysfs_create_dir_ns+0x22c/0x24c [ 250.521875][ T5633] kobject_add_internal+0x590/0xc54 [ 250.523347][ T5633] kobject_init_and_add+0x118/0x17c [ 250.524763][ T5633] gfs2_sys_fs_add+0x1dc/0x3d8 [ 250.526104][ T5633] gfs2_fill_super+0xdac/0x19e0 [ 250.527498][ T5633] get_tree_bdev+0x358/0x544 [ 250.528837][ T5633] gfs2_get_tree+0x54/0x1b4 [ 250.530124][ T5633] vfs_get_tree+0x90/0x274 [ 250.531338][ T5633] do_new_mount+0x228/0x810 [ 250.532579][ T5633] path_mount+0x5b4/0x1000 [ 250.533830][ T5633] __arm64_sys_mount+0x514/0x5e4 [ 250.535192][ T5633] invoke_syscall+0x98/0x2b8 [ 250.536508][ T5633] el0_svc_common+0x138/0x258 [ 250.537837][ T5633] do_el0_svc+0x58/0x14c [ 250.539045][ T5633] el0_svc+0x78/0x1e0 [ 250.540175][ T5633] el0t_64_sync_handler+0xcc/0xe4 [ 250.541642][ T5633] el0t_64_sync+0x1a0/0x1a4 [ 250.547622][ T5633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 250.551283][ T5633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 250.725098][ T27] INFO: task kworker/0:3:4059 blocked for more than 143 seconds. [ 250.728057][ T27] Not tainted 5.15.184-syzkaller #0 [ 250.729631][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 250.732087][ T27] task:kworker/0:3 state:D stack: 0 pid: 4059 ppid: 2 flags:0x00000008 [ 250.734607][ T27] Workqueue: gfs_recovery gfs2_recover_func [ 250.737149][ T27] Call trace: [ 250.738083][ T27] __switch_to+0x2f4/0x558 [ 250.739332][ T27] __schedule+0xe00/0x1c0c [ 250.740601][ T27] schedule+0x11c/0x1c8 [ 250.741746][ T27] io_schedule+0x84/0x160 [ 250.743047][ T27] wait_on_page_bit_common+0x61c/0xa74 [ 250.744593][ T27] wait_on_page_bit+0x58/0x68 [ 250.748910][ T27] gfs2_jhead_process_page+0x1e0/0x698 [ 250.750465][ T27] gfs2_find_jhead+0xb6c/0xca8 [ 250.751814][ T27] gfs2_recover_func+0x500/0x157c [ 250.753208][ T27] process_one_work+0x79c/0x1140 [ 250.754564][ T27] worker_thread+0x8f4/0x101c [ 250.756485][ T27] kthread+0x374/0x454 [ 250.757704][ T27] ret_from_fork+0x10/0x20 [ 250.759205][ T27] INFO: task syz.0.16:4928 blocked for more than 143 seconds. [ 250.761326][ T27] Not tainted 5.15.184-syzkaller #0 [ 250.762894][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 250.768209][ T27] task:syz.0.16 state:D stack: 0 pid: 4928 ppid: 4742 flags:0x00000009 [ 250.770914][ T27] Call trace: [ 250.771799][ T27] __switch_to+0x2f4/0x558 [ 250.772963][ T27] __schedule+0xe00/0x1c0c [ 250.774187][ T27] schedule+0x11c/0x1c8 [ 250.775896][ T27] bit_wait+0x1c/0xac [ 250.777040][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 250.778618][ T27] gfs2_recover_journal+0xf0/0x16c [ 250.780053][ T27] init_journal+0x133c/0x1d7c [ 250.781640][ T27] init_inodes+0xe0/0x2d4 [ 250.782853][ T27] gfs2_fill_super+0x121c/0x19e0 [ 250.784163][ T27] get_tree_bdev+0x358/0x544 [ 250.788347][ T27] gfs2_get_tree+0x54/0x1b4 [ 250.789581][ T27] vfs_get_tree+0x90/0x274 [ 250.790757][ T27] do_new_mount+0x228/0x810 [ 250.792055][ T27] path_mount+0x5b4/0x1000 [ 250.793709][ T27] __arm64_sys_mount+0x514/0x5e4 [ 250.796447][ T27] invoke_syscall+0x98/0x2b8 [ 250.797708][ T27] el0_svc_common+0x138/0x258 [ 250.798979][ T27] do_el0_svc+0x58/0x14c [ 250.800133][ T27] el0_svc+0x78/0x1e0 [ 250.801256][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 250.802771][ T27] el0t_64_sync+0x1a0/0x1a4 [ 250.804070][ T27] [ 250.804070][ T27] Showing all locks held in the system: [ 250.807008][ T27] 1 lock held by khungtaskd/27: [ 250.808318][ T27] #0: ffff8000143211e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 250.810970][ T27] 2 locks held by getty/3795: [ 250.812289][ T27] #0: ffff0000d4ad1098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 250.815497][ T27] #1: ffff80001b7702e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 250.818266][ T27] 2 locks held by kworker/0:3/4059: [ 250.819739][ T27] #0: ffff0000c6bff938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 250.822897][ T27] #1: ffff80001f247c00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 250.827838][ T27] 1 lock held by syz.0.16/4928: [ 250.829220][ T27] #0: ffff0000da40e0e0 (&type->s_umount_key#51/1){+.+.}-{3:3}, at: alloc_super+0x1a8/0x824 [ 250.832026][ T27] 1 lock held by syz.1.356/5635: [ 250.833448][ T27] [ 250.834095][ T27] ============================================= [ 250.834095][ T27] [ 250.835040][ T5635] loop1: detected capacity change from 0 to 32768 [ 250.837131][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 250.840071][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.184-syzkaller #0 [ 250.842296][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 250.845123][ T27] Call trace: [ 250.846021][ T27] dump_backtrace+0x0/0x43c [ 250.847239][ T27] show_stack+0x2c/0x3c [ 250.848399][ T27] __dump_stack+0x30/0x40 [ 250.849615][ T27] dump_stack_lvl+0xf8/0x160 [ 250.850907][ T27] dump_stack+0x1c/0x5c [ 250.852073][ T27] panic+0x2e4/0x854 [ 250.853146][ T27] hung_task_panic+0x0/0x2c [ 250.854339][ T27] kthread+0x374/0x454 [ 250.855453][ T27] ret_from_fork+0x10/0x20 [ 250.856639][ T27] SMP: stopping secondary CPUs [ 250.858086][ T27] Kernel Offset: disabled [ 250.859211][ T27] CPU features: 0x8,000081c1,21302e40 [ 250.860713][ T27] Memory Limit: none [ 251.540603][ T27] Rebooting in 86400 seconds..