gister things with the same name in the same directory. [ 204.057784][ T5542] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.320850][ T5544] loop1: detected capacity change from 0 to 32768 [ 204.378677][ T5544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.380825][ T5544] CPU: 0 PID: 5544 Comm: syz.1.231 Not tainted 5.15.184-syzkaller #0 [ 204.382964][ T5544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 204.385651][ T5544] Call trace: [ 204.386524][ T5544] dump_backtrace+0x0/0x43c [ 204.387743][ T5544] show_stack+0x2c/0x3c [ 204.388872][ T5544] __dump_stack+0x30/0x40 [ 204.390067][ T5544] dump_stack_lvl+0xf8/0x160 [ 204.391346][ T5544] dump_stack+0x1c/0x5c [ 204.392502][ T5544] sysfs_create_dir_ns+0x22c/0x24c [ 204.393885][ T5544] kobject_add_internal+0x590/0xc54 [ 204.395310][ T5544] kobject_init_and_add+0x118/0x17c [ 204.396731][ T5544] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.398031][ T5544] gfs2_fill_super+0xdac/0x19e0 [ 204.399370][ T5544] get_tree_bdev+0x358/0x544 [ 204.400643][ T5544] gfs2_get_tree+0x54/0x1b4 [ 204.401895][ T5544] vfs_get_tree+0x90/0x274 [ 204.403119][ T5544] do_new_mount+0x228/0x810 [ 204.404350][ T5544] path_mount+0x5b4/0x1000 [ 204.405559][ T5544] __arm64_sys_mount+0x514/0x5e4 [ 204.406905][ T5544] invoke_syscall+0x98/0x2b8 [ 204.408170][ T5544] el0_svc_common+0x138/0x258 [ 204.409452][ T5544] do_el0_svc+0x58/0x14c [ 204.410699][ T5544] el0_svc+0x78/0x1e0 [ 204.411776][ T5544] el0t_64_sync_handler+0xcc/0xe4 [ 204.413202][ T5544] el0t_64_sync+0x1a0/0x1a4 [ 204.419047][ T5544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.423092][ T5544] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.689145][ T5546] loop1: detected capacity change from 0 to 32768 [ 204.730942][ T5546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.732989][ T5546] CPU: 0 PID: 5546 Comm: syz.1.232 Not tainted 5.15.184-syzkaller #0 [ 204.735197][ T5546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 204.738036][ T5546] Call trace: [ 204.738932][ T5546] dump_backtrace+0x0/0x43c [ 204.740169][ T5546] show_stack+0x2c/0x3c [ 204.741294][ T5546] __dump_stack+0x30/0x40 [ 204.742461][ T5546] dump_stack_lvl+0xf8/0x160 [ 204.743729][ T5546] dump_stack+0x1c/0x5c [ 204.744911][ T5546] sysfs_create_dir_ns+0x22c/0x24c [ 204.746315][ T5546] kobject_add_internal+0x590/0xc54 [ 204.747720][ T5546] kobject_init_and_add+0x118/0x17c [ 204.749150][ T5546] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.750436][ T5546] gfs2_fill_super+0xdac/0x19e0 [ 204.751756][ T5546] get_tree_bdev+0x358/0x544 [ 204.753024][ T5546] gfs2_get_tree+0x54/0x1b4 [ 204.754258][ T5546] vfs_get_tree+0x90/0x274 [ 204.755471][ T5546] do_new_mount+0x228/0x810 [ 204.756709][ T5546] path_mount+0x5b4/0x1000 [ 204.757925][ T5546] __arm64_sys_mount+0x514/0x5e4 [ 204.759342][ T5546] invoke_syscall+0x98/0x2b8 [ 204.760585][ T5546] el0_svc_common+0x138/0x258 [ 204.761869][ T5546] do_el0_svc+0x58/0x14c [ 204.763032][ T5546] el0_svc+0x78/0x1e0 [ 204.764231][ T5546] el0t_64_sync_handler+0xcc/0xe4 [ 204.765650][ T5546] el0t_64_sync+0x1a0/0x1a4 [ 204.776536][ T5546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.780276][ T5546] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.108462][ T5548] loop1: detected capacity change from 0 to 32768 [ 205.121139][ T5548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.123114][ T5548] CPU: 1 PID: 5548 Comm: syz.1.233 Not tainted 5.15.184-syzkaller #0 [ 205.125273][ T5548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 205.127965][ T5548] Call trace: [ 205.128868][ T5548] dump_backtrace+0x0/0x43c [ 205.130095][ T5548] show_stack+0x2c/0x3c [ 205.131223][ T5548] __dump_stack+0x30/0x40 [ 205.132397][ T5548] dump_stack_lvl+0xf8/0x160 [ 205.133620][ T5548] dump_stack+0x1c/0x5c [ 205.134746][ T5548] sysfs_create_dir_ns+0x22c/0x24c [ 205.136144][ T5548] kobject_add_internal+0x590/0xc54 [ 205.137551][ T5548] kobject_init_and_add+0x118/0x17c [ 205.138932][ T5548] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.140365][ T5548] gfs2_fill_super+0xdac/0x19e0 [ 205.141683][ T5548] get_tree_bdev+0x358/0x544 [ 205.142957][ T5548] gfs2_get_tree+0x54/0x1b4 [ 205.144197][ T5548] vfs_get_tree+0x90/0x274 [ 205.145399][ T5548] do_new_mount+0x228/0x810 [ 205.146620][ T5548] path_mount+0x5b4/0x1000 [ 205.147823][ T5548] __arm64_sys_mount+0x514/0x5e4 [ 205.149203][ T5548] invoke_syscall+0x98/0x2b8 [ 205.150459][ T5548] el0_svc_common+0x138/0x258 [ 205.151711][ T5548] do_el0_svc+0x58/0x14c [ 205.152932][ T5548] el0_svc+0x78/0x1e0 [ 205.154014][ T5548] el0t_64_sync_handler+0xcc/0xe4 [ 205.155486][ T5548] el0t_64_sync+0x1a0/0x1a4 [ 205.160820][ T5548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.164550][ T5548] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:25 executed programs: 220 [ 205.561418][ T5550] loop1: detected capacity change from 0 to 32768 [ 205.618516][ T5550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.621483][ T5550] CPU: 0 PID: 5550 Comm: syz.1.234 Not tainted 5.15.184-syzkaller #0 [ 205.623711][ T5550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 205.626383][ T5550] Call trace: [ 205.627241][ T5550] dump_backtrace+0x0/0x43c [ 205.628457][ T5550] show_stack+0x2c/0x3c [ 205.629549][ T5550] __dump_stack+0x30/0x40 [ 205.630716][ T5550] dump_stack_lvl+0xf8/0x160 [ 205.632003][ T5550] dump_stack+0x1c/0x5c [ 205.633147][ T5550] sysfs_create_dir_ns+0x22c/0x24c [ 205.634509][ T5550] kobject_add_internal+0x590/0xc54 [ 205.635906][ T5550] kobject_init_and_add+0x118/0x17c [ 205.637305][ T5550] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.638636][ T5550] gfs2_fill_super+0xdac/0x19e0 [ 205.639957][ T5550] get_tree_bdev+0x358/0x544 [ 205.641213][ T5550] gfs2_get_tree+0x54/0x1b4 [ 205.642429][ T5550] vfs_get_tree+0x90/0x274 [ 205.643651][ T5550] do_new_mount+0x228/0x810 [ 205.644891][ T5550] path_mount+0x5b4/0x1000 [ 205.646102][ T5550] __arm64_sys_mount+0x514/0x5e4 [ 205.647434][ T5550] invoke_syscall+0x98/0x2b8 [ 205.648660][ T5550] el0_svc_common+0x138/0x258 [ 205.650001][ T5550] do_el0_svc+0x58/0x14c [ 205.651243][ T5550] el0_svc+0x78/0x1e0 [ 205.652332][ T5550] el0t_64_sync_handler+0xcc/0xe4 [ 205.653744][ T5550] el0t_64_sync+0x1a0/0x1a4 [ 205.655248][ T5550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.659008][ T5550] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.920256][ T5552] loop1: detected capacity change from 0 to 32768 [ 205.974347][ T5552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.976402][ T5552] CPU: 0 PID: 5552 Comm: syz.1.235 Not tainted 5.15.184-syzkaller #0 [ 205.978593][ T5552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 205.981369][ T5552] Call trace: [ 205.982244][ T5552] dump_backtrace+0x0/0x43c [ 205.983500][ T5552] show_stack+0x2c/0x3c [ 205.984633][ T5552] __dump_stack+0x30/0x40 [ 205.985807][ T5552] dump_stack_lvl+0xf8/0x160 [ 205.987042][ T5552] dump_stack+0x1c/0x5c [ 205.988174][ T5552] sysfs_create_dir_ns+0x22c/0x24c [ 205.989572][ T5552] kobject_add_internal+0x590/0xc54 [ 205.990983][ T5552] kobject_init_and_add+0x118/0x17c [ 205.992397][ T5552] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.993682][ T5552] gfs2_fill_super+0xdac/0x19e0 [ 205.994997][ T5552] get_tree_bdev+0x358/0x544 [ 205.996243][ T5552] gfs2_get_tree+0x54/0x1b4 [ 205.997506][ T5552] vfs_get_tree+0x90/0x274 [ 205.998700][ T5552] do_new_mount+0x228/0x810 [ 205.999913][ T5552] path_mount+0x5b4/0x1000 [ 206.001104][ T5552] __arm64_sys_mount+0x514/0x5e4 [ 206.002475][ T5552] invoke_syscall+0x98/0x2b8 [ 206.003714][ T5552] el0_svc_common+0x138/0x258 [ 206.004981][ T5552] do_el0_svc+0x58/0x14c [ 206.006136][ T5552] el0_svc+0x78/0x1e0 [ 206.007263][ T5552] el0t_64_sync_handler+0xcc/0xe4 [ 206.008692][ T5552] el0t_64_sync+0x1a0/0x1a4 [ 206.010152][ T5552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.013811][ T5552] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.321390][ T5554] loop1: detected capacity change from 0 to 32768 [ 206.379357][ T5554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.381456][ T5554] CPU: 1 PID: 5554 Comm: syz.1.236 Not tainted 5.15.184-syzkaller #0 [ 206.383636][ T5554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 206.386330][ T5554] Call trace: [ 206.387187][ T5554] dump_backtrace+0x0/0x43c [ 206.388392][ T5554] show_stack+0x2c/0x3c [ 206.389526][ T5554] __dump_stack+0x30/0x40 [ 206.390719][ T5554] dump_stack_lvl+0xf8/0x160 [ 206.391976][ T5554] dump_stack+0x1c/0x5c [ 206.393111][ T5554] sysfs_create_dir_ns+0x22c/0x24c [ 206.394536][ T5554] kobject_add_internal+0x590/0xc54 [ 206.395945][ T5554] kobject_init_and_add+0x118/0x17c [ 206.397397][ T5554] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.398711][ T5554] gfs2_fill_super+0xdac/0x19e0 [ 206.400026][ T5554] get_tree_bdev+0x358/0x544 [ 206.401371][ T5554] gfs2_get_tree+0x54/0x1b4 [ 206.402606][ T5554] vfs_get_tree+0x90/0x274 [ 206.403802][ T5554] do_new_mount+0x228/0x810 [ 206.405041][ T5554] path_mount+0x5b4/0x1000 [ 206.406263][ T5554] __arm64_sys_mount+0x514/0x5e4 [ 206.407619][ T5554] invoke_syscall+0x98/0x2b8 [ 206.408859][ T5554] el0_svc_common+0x138/0x258 [ 206.410142][ T5554] do_el0_svc+0x58/0x14c [ 206.411367][ T5554] el0_svc+0x78/0x1e0 [ 206.412548][ T5554] el0t_64_sync_handler+0xcc/0xe4 [ 206.413974][ T5554] el0t_64_sync+0x1a0/0x1a4 [ 206.415634][ T5554] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.420662][ T5554] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.694201][ T5556] loop1: detected capacity change from 0 to 32768 [ 206.758564][ T5556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.762069][ T5556] CPU: 1 PID: 5556 Comm: syz.1.237 Not tainted 5.15.184-syzkaller #0 [ 206.764242][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 206.767007][ T5556] Call trace: [ 206.767892][ T5556] dump_backtrace+0x0/0x43c [ 206.769155][ T5556] show_stack+0x2c/0x3c [ 206.770323][ T5556] __dump_stack+0x30/0x40 [ 206.771524][ T5556] dump_stack_lvl+0xf8/0x160 [ 206.772814][ T5556] dump_stack+0x1c/0x5c [ 206.773963][ T5556] sysfs_create_dir_ns+0x22c/0x24c [ 206.775394][ T5556] kobject_add_internal+0x590/0xc54 [ 206.776831][ T5556] kobject_init_and_add+0x118/0x17c [ 206.778315][ T5556] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.779656][ T5556] gfs2_fill_super+0xdac/0x19e0 [ 206.781009][ T5556] get_tree_bdev+0x358/0x544 [ 206.782301][ T5556] gfs2_get_tree+0x54/0x1b4 [ 206.783594][ T5556] vfs_get_tree+0x90/0x274 [ 206.784832][ T5556] do_new_mount+0x228/0x810 [ 206.786096][ T5556] path_mount+0x5b4/0x1000 [ 206.787348][ T5556] __arm64_sys_mount+0x514/0x5e4 [ 206.788742][ T5556] invoke_syscall+0x98/0x2b8 [ 206.790021][ T5556] el0_svc_common+0x138/0x258 [ 206.791378][ T5556] do_el0_svc+0x58/0x14c [ 206.792554][ T5556] el0_svc+0x78/0x1e0 [ 206.793665][ T5556] el0t_64_sync_handler+0xcc/0xe4 [ 206.795112][ T5556] el0t_64_sync+0x1a0/0x1a4 [ 206.797510][ T5556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.801409][ T5556] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.108882][ T5558] loop1: detected capacity change from 0 to 32768 [ 207.158829][ T5558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.161138][ T5558] CPU: 1 PID: 5558 Comm: syz.1.238 Not tainted 5.15.184-syzkaller #0 [ 207.163325][ T5558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 207.166031][ T5558] Call trace: [ 207.166910][ T5558] dump_backtrace+0x0/0x43c [ 207.168157][ T5558] show_stack+0x2c/0x3c [ 207.169295][ T5558] __dump_stack+0x30/0x40 [ 207.170491][ T5558] dump_stack_lvl+0xf8/0x160 [ 207.171748][ T5558] dump_stack+0x1c/0x5c [ 207.172889][ T5558] sysfs_create_dir_ns+0x22c/0x24c [ 207.174323][ T5558] kobject_add_internal+0x590/0xc54 [ 207.175816][ T5558] kobject_init_and_add+0x118/0x17c [ 207.177311][ T5558] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.178649][ T5558] gfs2_fill_super+0xdac/0x19e0 [ 207.180003][ T5558] get_tree_bdev+0x358/0x544 [ 207.181292][ T5558] gfs2_get_tree+0x54/0x1b4 [ 207.182588][ T5558] vfs_get_tree+0x90/0x274 [ 207.183802][ T5558] do_new_mount+0x228/0x810 [ 207.185112][ T5558] path_mount+0x5b4/0x1000 [ 207.186332][ T5558] __arm64_sys_mount+0x514/0x5e4 [ 207.187693][ T5558] invoke_syscall+0x98/0x2b8 [ 207.188952][ T5558] el0_svc_common+0x138/0x258 [ 207.190266][ T5558] do_el0_svc+0x58/0x14c [ 207.191496][ T5558] el0_svc+0x78/0x1e0 [ 207.192711][ T5558] el0t_64_sync_handler+0xcc/0xe4 [ 207.194125][ T5558] el0t_64_sync+0x1a0/0x1a4 [ 207.198062][ T5558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.203151][ T5558] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.471783][ T5560] loop1: detected capacity change from 0 to 32768 [ 207.523419][ T5560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.525493][ T5560] CPU: 0 PID: 5560 Comm: syz.1.239 Not tainted 5.15.184-syzkaller #0 [ 207.527664][ T5560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 207.530394][ T5560] Call trace: [ 207.531293][ T5560] dump_backtrace+0x0/0x43c [ 207.532530][ T5560] show_stack+0x2c/0x3c [ 207.533672][ T5560] __dump_stack+0x30/0x40 [ 207.534859][ T5560] dump_stack_lvl+0xf8/0x160 [ 207.536107][ T5560] dump_stack+0x1c/0x5c [ 207.537257][ T5560] sysfs_create_dir_ns+0x22c/0x24c [ 207.538651][ T5560] kobject_add_internal+0x590/0xc54 [ 207.540078][ T5560] kobject_init_and_add+0x118/0x17c [ 207.541518][ T5560] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.542810][ T5560] gfs2_fill_super+0xdac/0x19e0 [ 207.544176][ T5560] get_tree_bdev+0x358/0x544 [ 207.545467][ T5560] gfs2_get_tree+0x54/0x1b4 [ 207.546685][ T5560] vfs_get_tree+0x90/0x274 [ 207.547912][ T5560] do_new_mount+0x228/0x810 [ 207.549159][ T5560] path_mount+0x5b4/0x1000 [ 207.550369][ T5560] __arm64_sys_mount+0x514/0x5e4 [ 207.551719][ T5560] invoke_syscall+0x98/0x2b8 [ 207.552971][ T5560] el0_svc_common+0x138/0x258 [ 207.554396][ T5560] do_el0_svc+0x58/0x14c [ 207.555592][ T5560] el0_svc+0x78/0x1e0 [ 207.556693][ T5560] el0t_64_sync_handler+0xcc/0xe4 [ 207.558151][ T5560] el0t_64_sync+0x1a0/0x1a4 [ 207.561571][ T5560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.565155][ T5560] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.845768][ T5563] loop1: detected capacity change from 0 to 32768 [ 207.890098][ T5563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.892767][ T5563] CPU: 1 PID: 5563 Comm: syz.1.240 Not tainted 5.15.184-syzkaller #0 [ 207.894962][ T5563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 207.897677][ T5563] Call trace: [ 207.898545][ T5563] dump_backtrace+0x0/0x43c [ 207.899776][ T5563] show_stack+0x2c/0x3c [ 207.900932][ T5563] __dump_stack+0x30/0x40 [ 207.902126][ T5563] dump_stack_lvl+0xf8/0x160 [ 207.903400][ T5563] dump_stack+0x1c/0x5c [ 207.904548][ T5563] sysfs_create_dir_ns+0x22c/0x24c [ 207.905999][ T5563] kobject_add_internal+0x590/0xc54 [ 207.907439][ T5563] kobject_init_and_add+0x118/0x17c [ 207.908835][ T5563] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.910140][ T5563] gfs2_fill_super+0xdac/0x19e0 [ 207.911450][ T5563] get_tree_bdev+0x358/0x544 [ 207.912724][ T5563] gfs2_get_tree+0x54/0x1b4 [ 207.913966][ T5563] vfs_get_tree+0x90/0x274 [ 207.915171][ T5563] do_new_mount+0x228/0x810 [ 207.916462][ T5563] path_mount+0x5b4/0x1000 [ 207.917673][ T5563] __arm64_sys_mount+0x514/0x5e4 [ 207.919007][ T5563] invoke_syscall+0x98/0x2b8 [ 207.920314][ T5563] el0_svc_common+0x138/0x258 [ 207.921610][ T5563] do_el0_svc+0x58/0x14c [ 207.922791][ T5563] el0_svc+0x78/0x1e0 [ 207.923899][ T5563] el0t_64_sync_handler+0xcc/0xe4 [ 207.925360][ T5563] el0t_64_sync+0x1a0/0x1a4 [ 207.931084][ T5563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.934717][ T5563] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.212999][ T5566] loop1: detected capacity change from 0 to 32768 [ 208.225968][ T5566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.228013][ T5566] CPU: 1 PID: 5566 Comm: syz.1.241 Not tainted 5.15.184-syzkaller #0 [ 208.230208][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 208.232992][ T5566] Call trace: [ 208.233874][ T5566] dump_backtrace+0x0/0x43c [ 208.235110][ T5566] show_stack+0x2c/0x3c [ 208.236226][ T5566] __dump_stack+0x30/0x40 [ 208.237403][ T5566] dump_stack_lvl+0xf8/0x160 [ 208.238650][ T5566] dump_stack+0x1c/0x5c [ 208.239774][ T5566] sysfs_create_dir_ns+0x22c/0x24c [ 208.241165][ T5566] kobject_add_internal+0x590/0xc54 [ 208.242571][ T5566] kobject_init_and_add+0x118/0x17c [ 208.244006][ T5566] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.245383][ T5566] gfs2_fill_super+0xdac/0x19e0 [ 208.246704][ T5566] get_tree_bdev+0x358/0x544 [ 208.247942][ T5566] gfs2_get_tree+0x54/0x1b4 [ 208.249218][ T5566] vfs_get_tree+0x90/0x274 [ 208.250414][ T5566] do_new_mount+0x228/0x810 [ 208.251646][ T5566] path_mount+0x5b4/0x1000 [ 208.252915][ T5566] __arm64_sys_mount+0x514/0x5e4 [ 208.254284][ T5566] invoke_syscall+0x98/0x2b8 [ 208.255513][ T5566] el0_svc_common+0x138/0x258 [ 208.256808][ T5566] do_el0_svc+0x58/0x14c [ 208.258019][ T5566] el0_svc+0x78/0x1e0 [ 208.259172][ T5566] el0t_64_sync_handler+0xcc/0xe4 [ 208.260558][ T5566] el0t_64_sync+0x1a0/0x1a4 [ 208.264097][ T5566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.267811][ T5566] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.536585][ T5570] loop1: detected capacity change from 0 to 32768 [ 208.583092][ T5570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.585230][ T5570] CPU: 0 PID: 5570 Comm: syz.1.242 Not tainted 5.15.184-syzkaller #0 [ 208.587404][ T5570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 208.590091][ T5570] Call trace: [ 208.590973][ T5570] dump_backtrace+0x0/0x43c [ 208.592226][ T5570] show_stack+0x2c/0x3c [ 208.593338][ T5570] __dump_stack+0x30/0x40 [ 208.594515][ T5570] dump_stack_lvl+0xf8/0x160 [ 208.595786][ T5570] dump_stack+0x1c/0x5c [ 208.596932][ T5570] sysfs_create_dir_ns+0x22c/0x24c [ 208.598342][ T5570] kobject_add_internal+0x590/0xc54 [ 208.599785][ T5570] kobject_init_and_add+0x118/0x17c [ 208.601212][ T5570] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.602500][ T5570] gfs2_fill_super+0xdac/0x19e0 [ 208.603810][ T5570] get_tree_bdev+0x358/0x544 [ 208.605055][ T5570] gfs2_get_tree+0x54/0x1b4 [ 208.606318][ T5570] vfs_get_tree+0x90/0x274 [ 208.607512][ T5570] do_new_mount+0x228/0x810 [ 208.608762][ T5570] path_mount+0x5b4/0x1000 [ 208.609957][ T5570] __arm64_sys_mount+0x514/0x5e4 [ 208.611309][ T5570] invoke_syscall+0x98/0x2b8 [ 208.612562][ T5570] el0_svc_common+0x138/0x258 [ 208.613834][ T5570] do_el0_svc+0x58/0x14c [ 208.615012][ T5570] el0_svc+0x78/0x1e0 [ 208.616087][ T5570] el0t_64_sync_handler+0xcc/0xe4 [ 208.617498][ T5570] el0t_64_sync+0x1a0/0x1a4 [ 208.621697][ T5570] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.625368][ T5570] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.940710][ T5572] loop1: detected capacity change from 0 to 32768 [ 208.998453][ T5572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.000644][ T5572] CPU: 0 PID: 5572 Comm: syz.1.243 Not tainted 5.15.184-syzkaller #0 [ 209.002883][ T5572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 209.005662][ T5572] Call trace: [ 209.006564][ T5572] dump_backtrace+0x0/0x43c [ 209.007782][ T5572] show_stack+0x2c/0x3c [ 209.008909][ T5572] __dump_stack+0x30/0x40 [ 209.010105][ T5572] dump_stack_lvl+0xf8/0x160 [ 209.011368][ T5572] dump_stack+0x1c/0x5c [ 209.012505][ T5572] sysfs_create_dir_ns+0x22c/0x24c [ 209.013935][ T5572] kobject_add_internal+0x590/0xc54 [ 209.015382][ T5572] kobject_init_and_add+0x118/0x17c [ 209.016801][ T5572] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.018149][ T5572] gfs2_fill_super+0xdac/0x19e0 [ 209.019483][ T5572] get_tree_bdev+0x358/0x544 [ 209.020747][ T5572] gfs2_get_tree+0x54/0x1b4 [ 209.022030][ T5572] vfs_get_tree+0x90/0x274 [ 209.023287][ T5572] do_new_mount+0x228/0x810 [ 209.024537][ T5572] path_mount+0x5b4/0x1000 [ 209.025756][ T5572] __arm64_sys_mount+0x514/0x5e4 [ 209.027132][ T5572] invoke_syscall+0x98/0x2b8 [ 209.028428][ T5572] el0_svc_common+0x138/0x258 [ 209.029751][ T5572] do_el0_svc+0x58/0x14c [ 209.030911][ T5572] el0_svc+0x78/0x1e0 [ 209.031992][ T5572] el0t_64_sync_handler+0xcc/0xe4 [ 209.033364][ T5572] el0t_64_sync+0x1a0/0x1a4 [ 209.035465][ T5572] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.039353][ T5572] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.306102][ T5574] loop1: detected capacity change from 0 to 32768 [ 209.367068][ T5574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.369192][ T5574] CPU: 1 PID: 5574 Comm: syz.1.244 Not tainted 5.15.184-syzkaller #0 [ 209.371356][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 209.374071][ T5574] Call trace: [ 209.374917][ T5574] dump_backtrace+0x0/0x43c [ 209.376130][ T5574] show_stack+0x2c/0x3c [ 209.377246][ T5574] __dump_stack+0x30/0x40 [ 209.378397][ T5574] dump_stack_lvl+0xf8/0x160 [ 209.379623][ T5574] dump_stack+0x1c/0x5c [ 209.380723][ T5574] sysfs_create_dir_ns+0x22c/0x24c [ 209.382125][ T5574] kobject_add_internal+0x590/0xc54 [ 209.383552][ T5574] kobject_init_and_add+0x118/0x17c [ 209.384953][ T5574] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.386272][ T5574] gfs2_fill_super+0xdac/0x19e0 [ 209.387617][ T5574] get_tree_bdev+0x358/0x544 [ 209.388900][ T5574] gfs2_get_tree+0x54/0x1b4 [ 209.390127][ T5574] vfs_get_tree+0x90/0x274 [ 209.391403][ T5574] do_new_mount+0x228/0x810 [ 209.392656][ T5574] path_mount+0x5b4/0x1000 [ 209.393854][ T5574] __arm64_sys_mount+0x514/0x5e4 [ 209.395186][ T5574] invoke_syscall+0x98/0x2b8 [ 209.396477][ T5574] el0_svc_common+0x138/0x258 [ 209.397747][ T5574] do_el0_svc+0x58/0x14c [ 209.398876][ T5574] el0_svc+0x78/0x1e0 [ 209.399944][ T5574] el0t_64_sync_handler+0xcc/0xe4 [ 209.401381][ T5574] el0t_64_sync+0x1a0/0x1a4 [ 209.405929][ T5574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.409712][ T5574] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.686988][ T5576] loop1: detected capacity change from 0 to 32768 [ 209.741370][ T5576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.743410][ T5576] CPU: 0 PID: 5576 Comm: syz.1.245 Not tainted 5.15.184-syzkaller #0 [ 209.745516][ T5576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 209.748168][ T5576] Call trace: [ 209.749034][ T5576] dump_backtrace+0x0/0x43c [ 209.750270][ T5576] show_stack+0x2c/0x3c [ 209.751410][ T5576] __dump_stack+0x30/0x40 [ 209.752587][ T5576] dump_stack_lvl+0xf8/0x160 [ 209.753866][ T5576] dump_stack+0x1c/0x5c [ 209.755015][ T5576] sysfs_create_dir_ns+0x22c/0x24c [ 209.756408][ T5576] kobject_add_internal+0x590/0xc54 [ 209.757796][ T5576] kobject_init_and_add+0x118/0x17c [ 209.759228][ T5576] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.760515][ T5576] gfs2_fill_super+0xdac/0x19e0 [ 209.761833][ T5576] get_tree_bdev+0x358/0x544 [ 209.763105][ T5576] gfs2_get_tree+0x54/0x1b4 [ 209.764339][ T5576] vfs_get_tree+0x90/0x274 [ 209.765535][ T5576] do_new_mount+0x228/0x810 [ 209.766742][ T5576] path_mount+0x5b4/0x1000 [ 209.767952][ T5576] __arm64_sys_mount+0x514/0x5e4 [ 209.769300][ T5576] invoke_syscall+0x98/0x2b8 [ 209.770574][ T5576] el0_svc_common+0x138/0x258 [ 209.771860][ T5576] do_el0_svc+0x58/0x14c [ 209.773054][ T5576] el0_svc+0x78/0x1e0 [ 209.774127][ T5576] el0t_64_sync_handler+0xcc/0xe4 [ 209.775573][ T5576] el0t_64_sync+0x1a0/0x1a4 [ 209.780982][ T5576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.784986][ T5576] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.063429][ T5578] loop1: detected capacity change from 0 to 32768 [ 210.140102][ T5578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.142132][ T5578] CPU: 0 PID: 5578 Comm: syz.1.246 Not tainted 5.15.184-syzkaller #0 [ 210.144303][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 210.146964][ T5578] Call trace: [ 210.147809][ T5578] dump_backtrace+0x0/0x43c [ 210.148996][ T5578] show_stack+0x2c/0x3c [ 210.150136][ T5578] __dump_stack+0x30/0x40 [ 210.151329][ T5578] dump_stack_lvl+0xf8/0x160 [ 210.152558][ T5578] dump_stack+0x1c/0x5c [ 210.153664][ T5578] sysfs_create_dir_ns+0x22c/0x24c [ 210.155035][ T5578] kobject_add_internal+0x590/0xc54 [ 210.156491][ T5578] kobject_init_and_add+0x118/0x17c [ 210.157901][ T5578] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.159209][ T5578] gfs2_fill_super+0xdac/0x19e0 [ 210.160533][ T5578] get_tree_bdev+0x358/0x544 [ 210.161772][ T5578] gfs2_get_tree+0x54/0x1b4 [ 210.163015][ T5578] vfs_get_tree+0x90/0x274 [ 210.164217][ T5578] do_new_mount+0x228/0x810 [ 210.165428][ T5578] path_mount+0x5b4/0x1000 [ 210.166619][ T5578] __arm64_sys_mount+0x514/0x5e4 [ 210.167944][ T5578] invoke_syscall+0x98/0x2b8 [ 210.169212][ T5578] el0_svc_common+0x138/0x258 [ 210.170469][ T5578] do_el0_svc+0x58/0x14c [ 210.171635][ T5578] el0_svc+0x78/0x1e0 [ 210.172746][ T5578] el0t_64_sync_handler+0xcc/0xe4 [ 210.174238][ T5578] el0t_64_sync+0x1a0/0x1a4 [ 210.177926][ T5578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.181913][ T5578] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.452458][ T5580] loop1: detected capacity change from 0 to 32768 [ 210.515738][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.517845][ T5580] CPU: 1 PID: 5580 Comm: syz.1.247 Not tainted 5.15.184-syzkaller #0 [ 210.520031][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 210.522824][ T5580] Call trace: [ 210.523725][ T5580] dump_backtrace+0x0/0x43c [ 210.524964][ T5580] show_stack+0x2c/0x3c [ 210.526121][ T5580] __dump_stack+0x30/0x40 [ 210.527304][ T5580] dump_stack_lvl+0xf8/0x160 [ 210.528585][ T5580] dump_stack+0x1c/0x5c [ 210.529721][ T5580] sysfs_create_dir_ns+0x22c/0x24c [ 210.531154][ T5580] kobject_add_internal+0x590/0xc54 [ 210.532602][ T5580] kobject_init_and_add+0x118/0x17c [ 210.534028][ T5580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.535363][ T5580] gfs2_fill_super+0xdac/0x19e0 [ 210.536698][ T5580] get_tree_bdev+0x358/0x544 [ 210.537955][ T5580] gfs2_get_tree+0x54/0x1b4 [ 210.539241][ T5580] vfs_get_tree+0x90/0x274 [ 210.540466][ T5580] do_new_mount+0x228/0x810 [ 210.541702][ T5580] path_mount+0x5b4/0x1000 [ 210.542907][ T5580] __arm64_sys_mount+0x514/0x5e4 [ 210.544265][ T5580] invoke_syscall+0x98/0x2b8 [ 210.545517][ T5580] el0_svc_common+0x138/0x258 [ 210.546853][ T5580] do_el0_svc+0x58/0x14c [ 210.548085][ T5580] el0_svc+0x78/0x1e0 [ 210.549248][ T5580] el0t_64_sync_handler+0xcc/0xe4 [ 210.550713][ T5580] el0t_64_sync+0x1a0/0x1a4 [ 210.555583][ T5580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.559681][ T5580] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:30 executed programs: 234 [ 210.827925][ T5584] loop1: detected capacity change from 0 to 32768 [ 210.883222][ T5584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.885286][ T5584] CPU: 0 PID: 5584 Comm: syz.1.248 Not tainted 5.15.184-syzkaller #0 [ 210.887402][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 210.890074][ T5584] Call trace: [ 210.890932][ T5584] dump_backtrace+0x0/0x43c [ 210.892189][ T5584] show_stack+0x2c/0x3c [ 210.893304][ T5584] __dump_stack+0x30/0x40 [ 210.894455][ T5584] dump_stack_lvl+0xf8/0x160 [ 210.895846][ T5584] dump_stack+0x1c/0x5c [ 210.896976][ T5584] sysfs_create_dir_ns+0x22c/0x24c [ 210.898399][ T5584] kobject_add_internal+0x590/0xc54 [ 210.899838][ T5584] kobject_init_and_add+0x118/0x17c [ 210.901237][ T5584] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.902505][ T5584] gfs2_fill_super+0xdac/0x19e0 [ 210.903807][ T5584] get_tree_bdev+0x358/0x544 [ 210.905031][ T5584] gfs2_get_tree+0x54/0x1b4 [ 210.906255][ T5584] vfs_get_tree+0x90/0x274 [ 210.907429][ T5584] do_new_mount+0x228/0x810 [ 210.908664][ T5584] path_mount+0x5b4/0x1000 [ 210.909878][ T5584] __arm64_sys_mount+0x514/0x5e4 [ 210.911199][ T5584] invoke_syscall+0x98/0x2b8 [ 210.912426][ T5584] el0_svc_common+0x138/0x258 [ 210.913732][ T5584] do_el0_svc+0x58/0x14c [ 210.914935][ T5584] el0_svc+0x78/0x1e0 [ 210.916072][ T5584] el0t_64_sync_handler+0xcc/0xe4 [ 210.917455][ T5584] el0t_64_sync+0x1a0/0x1a4 [ 210.921262][ T5584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.924912][ T5584] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.192703][ T5586] loop1: detected capacity change from 0 to 32768 [ 211.248385][ T5586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.250596][ T5586] CPU: 0 PID: 5586 Comm: syz.1.249 Not tainted 5.15.184-syzkaller #0 [ 211.252722][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 211.255381][ T5586] Call trace: [ 211.256253][ T5586] dump_backtrace+0x0/0x43c [ 211.257429][ T5586] show_stack+0x2c/0x3c [ 211.258499][ T5586] __dump_stack+0x30/0x40 [ 211.259645][ T5586] dump_stack_lvl+0xf8/0x160 [ 211.260885][ T5586] dump_stack+0x1c/0x5c [ 211.261985][ T5586] sysfs_create_dir_ns+0x22c/0x24c [ 211.263339][ T5586] kobject_add_internal+0x590/0xc54 [ 211.264753][ T5586] kobject_init_and_add+0x118/0x17c [ 211.266134][ T5586] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.267444][ T5586] gfs2_fill_super+0xdac/0x19e0 [ 211.268740][ T5586] get_tree_bdev+0x358/0x544 [ 211.270000][ T5586] gfs2_get_tree+0x54/0x1b4 [ 211.271269][ T5586] vfs_get_tree+0x90/0x274 [ 211.272445][ T5586] do_new_mount+0x228/0x810 [ 211.273651][ T5586] path_mount+0x5b4/0x1000 [ 211.274854][ T5586] __arm64_sys_mount+0x514/0x5e4 [ 211.276178][ T5586] invoke_syscall+0x98/0x2b8 [ 211.277395][ T5586] el0_svc_common+0x138/0x258 [ 211.278645][ T5586] do_el0_svc+0x58/0x14c [ 211.279802][ T5586] el0_svc+0x78/0x1e0 [ 211.280881][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 211.282314][ T5586] el0t_64_sync+0x1a0/0x1a4 [ 211.285529][ T5586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.289367][ T5586] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.556910][ T5588] loop1: detected capacity change from 0 to 32768 [ 211.612771][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.614841][ T5588] CPU: 0 PID: 5588 Comm: syz.1.250 Not tainted 5.15.184-syzkaller #0 [ 211.617012][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 211.619748][ T5588] Call trace: [ 211.620648][ T5588] dump_backtrace+0x0/0x43c [ 211.621938][ T5588] show_stack+0x2c/0x3c [ 211.623106][ T5588] __dump_stack+0x30/0x40 [ 211.624310][ T5588] dump_stack_lvl+0xf8/0x160 [ 211.625579][ T5588] dump_stack+0x1c/0x5c [ 211.626700][ T5588] sysfs_create_dir_ns+0x22c/0x24c [ 211.628191][ T5588] kobject_add_internal+0x590/0xc54 [ 211.629608][ T5588] kobject_init_and_add+0x118/0x17c [ 211.631018][ T5588] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.632333][ T5588] gfs2_fill_super+0xdac/0x19e0 [ 211.633644][ T5588] get_tree_bdev+0x358/0x544 [ 211.634916][ T5588] gfs2_get_tree+0x54/0x1b4 [ 211.636200][ T5588] vfs_get_tree+0x90/0x274 [ 211.637406][ T5588] do_new_mount+0x228/0x810 [ 211.638630][ T5588] path_mount+0x5b4/0x1000 [ 211.639881][ T5588] __arm64_sys_mount+0x514/0x5e4 [ 211.641241][ T5588] invoke_syscall+0x98/0x2b8 [ 211.642498][ T5588] el0_svc_common+0x138/0x258 [ 211.643838][ T5588] do_el0_svc+0x58/0x14c [ 211.645026][ T5588] el0_svc+0x78/0x1e0 [ 211.646139][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 211.647564][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 211.651032][ T5588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.654833][ T5588] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.971952][ T5590] loop1: detected capacity change from 0 to 32768 [ 212.029390][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.031399][ T5590] CPU: 0 PID: 5590 Comm: syz.1.251 Not tainted 5.15.184-syzkaller #0 [ 212.033651][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.036339][ T5590] Call trace: [ 212.037181][ T5590] dump_backtrace+0x0/0x43c [ 212.038371][ T5590] show_stack+0x2c/0x3c [ 212.039478][ T5590] __dump_stack+0x30/0x40 [ 212.040645][ T5590] dump_stack_lvl+0xf8/0x160 [ 212.041895][ T5590] dump_stack+0x1c/0x5c [ 212.043015][ T5590] sysfs_create_dir_ns+0x22c/0x24c [ 212.044423][ T5590] kobject_add_internal+0x590/0xc54 [ 212.045821][ T5590] kobject_init_and_add+0x118/0x17c [ 212.047211][ T5590] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.048491][ T5590] gfs2_fill_super+0xdac/0x19e0 [ 212.049808][ T5590] get_tree_bdev+0x358/0x544 [ 212.051100][ T5590] gfs2_get_tree+0x54/0x1b4 [ 212.052328][ T5590] vfs_get_tree+0x90/0x274 [ 212.053503][ T5590] do_new_mount+0x228/0x810 [ 212.054710][ T5590] path_mount+0x5b4/0x1000 [ 212.055897][ T5590] __arm64_sys_mount+0x514/0x5e4 [ 212.057220][ T5590] invoke_syscall+0x98/0x2b8 [ 212.058458][ T5590] el0_svc_common+0x138/0x258 [ 212.059708][ T5590] do_el0_svc+0x58/0x14c [ 212.060932][ T5590] el0_svc+0x78/0x1e0 [ 212.061994][ T5590] el0t_64_sync_handler+0xcc/0xe4 [ 212.063434][ T5590] el0t_64_sync+0x1a0/0x1a4 [ 212.066791][ T5590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.070549][ T5590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.346309][ T5592] loop1: detected capacity change from 0 to 32768 [ 212.430200][ T5592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.435184][ T5592] CPU: 1 PID: 5592 Comm: syz.1.252 Not tainted 5.15.184-syzkaller #0 [ 212.437437][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.440144][ T5592] Call trace: [ 212.441015][ T5592] dump_backtrace+0x0/0x43c [ 212.442249][ T5592] show_stack+0x2c/0x3c [ 212.443404][ T5592] __dump_stack+0x30/0x40 [ 212.444552][ T5592] dump_stack_lvl+0xf8/0x160 [ 212.445802][ T5592] dump_stack+0x1c/0x5c [ 212.446937][ T5592] sysfs_create_dir_ns+0x22c/0x24c [ 212.448363][ T5592] kobject_add_internal+0x590/0xc54 [ 212.449768][ T5592] kobject_init_and_add+0x118/0x17c [ 212.451189][ T5592] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.452483][ T5592] gfs2_fill_super+0xdac/0x19e0 [ 212.453801][ T5592] get_tree_bdev+0x358/0x544 [ 212.455054][ T5592] gfs2_get_tree+0x54/0x1b4 [ 212.456376][ T5592] vfs_get_tree+0x90/0x274 [ 212.457567][ T5592] do_new_mount+0x228/0x810 [ 212.458796][ T5592] path_mount+0x5b4/0x1000 [ 212.459997][ T5592] __arm64_sys_mount+0x514/0x5e4 [ 212.461370][ T5592] invoke_syscall+0x98/0x2b8 [ 212.462721][ T5592] el0_svc_common+0x138/0x258 [ 212.464024][ T5592] do_el0_svc+0x58/0x14c [ 212.465188][ T5592] el0_svc+0x78/0x1e0 [ 212.466277][ T5592] el0t_64_sync_handler+0xcc/0xe4 [ 212.467783][ T5592] el0t_64_sync+0x1a0/0x1a4 [ 212.473215][ T5592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.477053][ T5592] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.753982][ T5594] loop1: detected capacity change from 0 to 32768 [ 212.798500][ T5594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.800758][ T5594] CPU: 0 PID: 5594 Comm: syz.1.253 Not tainted 5.15.184-syzkaller #0 [ 212.802990][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.805808][ T5594] Call trace: [ 212.806699][ T5594] dump_backtrace+0x0/0x43c [ 212.807939][ T5594] show_stack+0x2c/0x3c [ 212.809090][ T5594] __dump_stack+0x30/0x40 [ 212.810319][ T5594] dump_stack_lvl+0xf8/0x160 [ 212.811624][ T5594] dump_stack+0x1c/0x5c [ 212.812799][ T5594] sysfs_create_dir_ns+0x22c/0x24c [ 212.814266][ T5594] kobject_add_internal+0x590/0xc54 [ 212.815741][ T5594] kobject_init_and_add+0x118/0x17c [ 212.817271][ T5594] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.818620][ T5594] gfs2_fill_super+0xdac/0x19e0 [ 212.820015][ T5594] get_tree_bdev+0x358/0x544 [ 212.821346][ T5594] gfs2_get_tree+0x54/0x1b4 [ 212.822640][ T5594] vfs_get_tree+0x90/0x274 [ 212.823918][ T5594] do_new_mount+0x228/0x810 [ 212.825204][ T5594] path_mount+0x5b4/0x1000 [ 212.826461][ T5594] __arm64_sys_mount+0x514/0x5e4 [ 212.827860][ T5594] invoke_syscall+0x98/0x2b8 [ 212.829163][ T5594] el0_svc_common+0x138/0x258 [ 212.830550][ T5594] do_el0_svc+0x58/0x14c [ 212.831781][ T5594] el0_svc+0x78/0x1e0 [ 212.832909][ T5594] el0t_64_sync_handler+0xcc/0xe4 [ 212.834369][ T5594] el0t_64_sync+0x1a0/0x1a4 [ 212.836905][ T5594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.841151][ T5594] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.112867][ T5596] loop1: detected capacity change from 0 to 32768 [ 213.167967][ T5596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.170291][ T5596] CPU: 0 PID: 5596 Comm: syz.1.254 Not tainted 5.15.184-syzkaller #0 [ 213.172411][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 213.175094][ T5596] Call trace: [ 213.175947][ T5596] dump_backtrace+0x0/0x43c [ 213.177132][ T5596] show_stack+0x2c/0x3c [ 213.178213][ T5596] __dump_stack+0x30/0x40 [ 213.179354][ T5596] dump_stack_lvl+0xf8/0x160 [ 213.180688][ T5596] dump_stack+0x1c/0x5c [ 213.181802][ T5596] sysfs_create_dir_ns+0x22c/0x24c [ 213.183203][ T5596] kobject_add_internal+0x590/0xc54 [ 213.184582][ T5596] kobject_init_and_add+0x118/0x17c [ 213.185978][ T5596] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.187273][ T5596] gfs2_fill_super+0xdac/0x19e0 [ 213.188566][ T5596] get_tree_bdev+0x358/0x544 [ 213.189828][ T5596] gfs2_get_tree+0x54/0x1b4 [ 213.191082][ T5596] vfs_get_tree+0x90/0x274 [ 213.192255][ T5596] do_new_mount+0x228/0x810 [ 213.193462][ T5596] path_mount+0x5b4/0x1000 [ 213.194656][ T5596] __arm64_sys_mount+0x514/0x5e4 [ 213.195975][ T5596] invoke_syscall+0x98/0x2b8 [ 213.197217][ T5596] el0_svc_common+0x138/0x258 [ 213.198525][ T5596] do_el0_svc+0x58/0x14c [ 213.199697][ T5596] el0_svc+0x78/0x1e0 [ 213.200796][ T5596] el0t_64_sync_handler+0xcc/0xe4 [ 213.202312][ T5596] el0t_64_sync+0x1a0/0x1a4 [ 213.205876][ T5596] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.209831][ T5596] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.470456][ T5598] loop1: detected capacity change from 0 to 32768 [ 213.600125][ T5598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.602107][ T5598] CPU: 0 PID: 5598 Comm: syz.1.255 Not tainted 5.15.184-syzkaller #0 [ 213.604225][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 213.606840][ T5598] Call trace: [ 213.607690][ T5598] dump_backtrace+0x0/0x43c [ 213.608887][ T5598] show_stack+0x2c/0x3c [ 213.610011][ T5598] __dump_stack+0x30/0x40 [ 213.611182][ T5598] dump_stack_lvl+0xf8/0x160 [ 213.612454][ T5598] dump_stack+0x1c/0x5c [ 213.613585][ T5598] sysfs_create_dir_ns+0x22c/0x24c [ 213.614950][ T5598] kobject_add_internal+0x590/0xc54 [ 213.616348][ T5598] kobject_init_and_add+0x118/0x17c [ 213.617738][ T5598] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.619016][ T5598] gfs2_fill_super+0xdac/0x19e0 [ 213.620306][ T5598] get_tree_bdev+0x358/0x544 [ 213.621535][ T5598] gfs2_get_tree+0x54/0x1b4 [ 213.622739][ T5598] vfs_get_tree+0x90/0x274 [ 213.623922][ T5598] do_new_mount+0x228/0x810 [ 213.625153][ T5598] path_mount+0x5b4/0x1000 [ 213.626360][ T5598] __arm64_sys_mount+0x514/0x5e4 [ 213.627685][ T5598] invoke_syscall+0x98/0x2b8 [ 213.628919][ T5598] el0_svc_common+0x138/0x258 [ 213.630197][ T5598] do_el0_svc+0x58/0x14c [ 213.631314][ T5598] el0_svc+0x78/0x1e0 [ 213.632463][ T5598] el0t_64_sync_handler+0xcc/0xe4 [ 213.633831][ T5598] el0t_64_sync+0x1a0/0x1a4 [ 213.637324][ T5598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.641405][ T5598] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.918676][ T5600] loop1: detected capacity change from 0 to 32768 [ 213.970204][ T5600] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.972296][ T5600] CPU: 1 PID: 5600 Comm: syz.1.256 Not tainted 5.15.184-syzkaller #0 [ 213.974423][ T5600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 213.977088][ T5600] Call trace: [ 213.977942][ T5600] dump_backtrace+0x0/0x43c [ 213.979187][ T5600] show_stack+0x2c/0x3c [ 213.980313][ T5600] __dump_stack+0x30/0x40 [ 213.981502][ T5600] dump_stack_lvl+0xf8/0x160 [ 213.982741][ T5600] dump_stack+0x1c/0x5c [ 213.983868][ T5600] sysfs_create_dir_ns+0x22c/0x24c [ 213.985264][ T5600] kobject_add_internal+0x590/0xc54 [ 213.986671][ T5600] kobject_init_and_add+0x118/0x17c [ 213.988080][ T5600] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.989378][ T5600] gfs2_fill_super+0xdac/0x19e0 [ 213.990696][ T5600] get_tree_bdev+0x358/0x544 [ 213.991933][ T5600] gfs2_get_tree+0x54/0x1b4 [ 213.993201][ T5600] vfs_get_tree+0x90/0x274 [ 213.994397][ T5600] do_new_mount+0x228/0x810 [ 213.995613][ T5600] path_mount+0x5b4/0x1000 [ 213.996813][ T5600] __arm64_sys_mount+0x514/0x5e4 [ 213.998143][ T5600] invoke_syscall+0x98/0x2b8 [ 213.999417][ T5600] el0_svc_common+0x138/0x258 [ 214.000677][ T5600] do_el0_svc+0x58/0x14c [ 214.001873][ T5600] el0_svc+0x78/0x1e0 [ 214.002982][ T5600] el0t_64_sync_handler+0xcc/0xe4 [ 214.004456][ T5600] el0t_64_sync+0x1a0/0x1a4 [ 214.007899][ T5600] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.012286][ T5600] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.279280][ T5602] loop1: detected capacity change from 0 to 32768 [ 214.334402][ T5602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.336935][ T5602] CPU: 1 PID: 5602 Comm: syz.1.257 Not tainted 5.15.184-syzkaller #0 [ 214.339211][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 214.341971][ T5602] Call trace: [ 214.342854][ T5602] dump_backtrace+0x0/0x43c [ 214.344126][ T5602] show_stack+0x2c/0x3c [ 214.345255][ T5602] __dump_stack+0x30/0x40 [ 214.346406][ T5602] dump_stack_lvl+0xf8/0x160 [ 214.347651][ T5602] dump_stack+0x1c/0x5c [ 214.348778][ T5602] sysfs_create_dir_ns+0x22c/0x24c [ 214.350182][ T5602] kobject_add_internal+0x590/0xc54 [ 214.351614][ T5602] kobject_init_and_add+0x118/0x17c [ 214.353038][ T5602] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.354357][ T5602] gfs2_fill_super+0xdac/0x19e0 [ 214.355662][ T5602] get_tree_bdev+0x358/0x544 [ 214.356907][ T5602] gfs2_get_tree+0x54/0x1b4 [ 214.358160][ T5602] vfs_get_tree+0x90/0x274 [ 214.359404][ T5602] do_new_mount+0x228/0x810 [ 214.360618][ T5602] path_mount+0x5b4/0x1000 [ 214.361808][ T5602] __arm64_sys_mount+0x514/0x5e4 [ 214.363157][ T5602] invoke_syscall+0x98/0x2b8 [ 214.364407][ T5602] el0_svc_common+0x138/0x258 [ 214.365666][ T5602] do_el0_svc+0x58/0x14c [ 214.366828][ T5602] el0_svc+0x78/0x1e0 [ 214.367952][ T5602] el0t_64_sync_handler+0xcc/0xe4 [ 214.369433][ T5602] el0t_64_sync+0x1a0/0x1a4 [ 214.374522][ T5602] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.378239][ T5602] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.657178][ T5604] loop1: detected capacity change from 0 to 32768 [ 214.663669][ T5604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.665831][ T5604] CPU: 1 PID: 5604 Comm: syz.1.258 Not tainted 5.15.184-syzkaller #0 [ 214.667976][ T5604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 214.670697][ T5604] Call trace: [ 214.671580][ T5604] dump_backtrace+0x0/0x43c [ 214.672796][ T5604] show_stack+0x2c/0x3c [ 214.673922][ T5604] __dump_stack+0x30/0x40 [ 214.675103][ T5604] dump_stack_lvl+0xf8/0x160 [ 214.676366][ T5604] dump_stack+0x1c/0x5c [ 214.677479][ T5604] sysfs_create_dir_ns+0x22c/0x24c [ 214.678878][ T5604] kobject_add_internal+0x590/0xc54 [ 214.680343][ T5604] kobject_init_and_add+0x118/0x17c [ 214.681755][ T5604] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.683049][ T5604] gfs2_fill_super+0xdac/0x19e0 [ 214.684374][ T5604] get_tree_bdev+0x358/0x544 [ 214.685681][ T5604] gfs2_get_tree+0x54/0x1b4 [ 214.686928][ T5604] vfs_get_tree+0x90/0x274 [ 214.688175][ T5604] do_new_mount+0x228/0x810 [ 214.689452][ T5604] path_mount+0x5b4/0x1000 [ 214.690669][ T5604] __arm64_sys_mount+0x514/0x5e4 [ 214.692000][ T5604] invoke_syscall+0x98/0x2b8 [ 214.693246][ T5604] el0_svc_common+0x138/0x258 [ 214.694503][ T5604] do_el0_svc+0x58/0x14c [ 214.695770][ T5604] el0_svc+0x78/0x1e0 [ 214.696916][ T5604] el0t_64_sync_handler+0xcc/0xe4 [ 214.698297][ T5604] el0t_64_sync+0x1a0/0x1a4 [ 214.701765][ T5604] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.705485][ T5604] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.979853][ T5606] loop1: detected capacity change from 0 to 32768 [ 215.048744][ T5606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.051201][ T5606] CPU: 1 PID: 5606 Comm: syz.1.259 Not tainted 5.15.184-syzkaller #0 [ 215.053474][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 215.056281][ T5606] Call trace: [ 215.057183][ T5606] dump_backtrace+0x0/0x43c [ 215.058434][ T5606] show_stack+0x2c/0x3c [ 215.059634][ T5606] __dump_stack+0x30/0x40 [ 215.060811][ T5606] dump_stack_lvl+0xf8/0x160 [ 215.062124][ T5606] dump_stack+0x1c/0x5c [ 215.063277][ T5606] sysfs_create_dir_ns+0x22c/0x24c [ 215.064734][ T5606] kobject_add_internal+0x590/0xc54 [ 215.066242][ T5606] kobject_init_and_add+0x118/0x17c [ 215.067710][ T5606] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.069011][ T5606] gfs2_fill_super+0xdac/0x19e0 [ 215.070377][ T5606] get_tree_bdev+0x358/0x544 [ 215.071662][ T5606] gfs2_get_tree+0x54/0x1b4 [ 215.073005][ T5606] vfs_get_tree+0x90/0x274 [ 215.074219][ T5606] do_new_mount+0x228/0x810 [ 215.075494][ T5606] path_mount+0x5b4/0x1000 [ 215.076713][ T5606] __arm64_sys_mount+0x514/0x5e4 [ 215.078052][ T5606] invoke_syscall+0x98/0x2b8 [ 215.079357][ T5606] el0_svc_common+0x138/0x258 [ 215.080649][ T5606] do_el0_svc+0x58/0x14c [ 215.081851][ T5606] el0_svc+0x78/0x1e0 [ 215.082969][ T5606] el0t_64_sync_handler+0xcc/0xe4 [ 215.084378][ T5606] el0t_64_sync+0x1a0/0x1a4 [ 215.089685][ T5606] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.093302][ T5606] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.368957][ T5608] loop1: detected capacity change from 0 to 32768 [ 215.426196][ T5608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.428337][ T5608] CPU: 1 PID: 5608 Comm: syz.1.260 Not tainted 5.15.184-syzkaller #0 [ 215.430571][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 215.433398][ T5608] Call trace: [ 215.434288][ T5608] dump_backtrace+0x0/0x43c [ 215.435488][ T5608] show_stack+0x2c/0x3c [ 215.436631][ T5608] __dump_stack+0x30/0x40 [ 215.437826][ T5608] dump_stack_lvl+0xf8/0x160 [ 215.439097][ T5608] dump_stack+0x1c/0x5c [ 215.440268][ T5608] sysfs_create_dir_ns+0x22c/0x24c [ 215.441681][ T5608] kobject_add_internal+0x590/0xc54 [ 215.443115][ T5608] kobject_init_and_add+0x118/0x17c [ 215.444605][ T5608] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.445867][ T5608] gfs2_fill_super+0xdac/0x19e0 [ 215.447220][ T5608] get_tree_bdev+0x358/0x544 [ 215.448484][ T5608] gfs2_get_tree+0x54/0x1b4 [ 215.449691][ T5608] vfs_get_tree+0x90/0x274 [ 215.450889][ T5608] do_new_mount+0x228/0x810 [ 215.452098][ T5608] path_mount+0x5b4/0x1000 [ 215.453315][ T5608] __arm64_sys_mount+0x514/0x5e4 [ 215.454659][ T5608] invoke_syscall+0x98/0x2b8 [ 215.455996][ T5608] el0_svc_common+0x138/0x258 [ 215.457288][ T5608] do_el0_svc+0x58/0x14c [ 215.458425][ T5608] el0_svc+0x78/0x1e0 [ 215.459554][ T5608] el0t_64_sync_handler+0xcc/0xe4 [ 215.460890][ T5608] el0t_64_sync+0x1a0/0x1a4 [ 215.464562][ T5608] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.468173][ T5608] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.737157][ T5610] loop1: detected capacity change from 0 to 32768 [ 215.751011][ T5610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.753079][ T5610] CPU: 0 PID: 5610 Comm: syz.1.261 Not tainted 5.15.184-syzkaller #0 [ 215.755326][ T5610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 215.758007][ T5610] Call trace: [ 215.758875][ T5610] dump_backtrace+0x0/0x43c [ 215.760136][ T5610] show_stack+0x2c/0x3c [ 215.761295][ T5610] __dump_stack+0x30/0x40 [ 215.762474][ T5610] dump_stack_lvl+0xf8/0x160 [ 215.763751][ T5610] dump_stack+0x1c/0x5c [ 215.764890][ T5610] sysfs_create_dir_ns+0x22c/0x24c [ 215.766344][ T5610] kobject_add_internal+0x590/0xc54 [ 215.767821][ T5610] kobject_init_and_add+0x118/0x17c [ 215.769252][ T5610] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.770544][ T5610] gfs2_fill_super+0xdac/0x19e0 [ 215.771873][ T5610] get_tree_bdev+0x358/0x544 [ 215.773150][ T5610] gfs2_get_tree+0x54/0x1b4 [ 215.774384][ T5610] vfs_get_tree+0x90/0x274 [ 215.775598][ T5610] do_new_mount+0x228/0x810 [ 215.776797][ T5610] path_mount+0x5b4/0x1000 [ 215.777989][ T5610] __arm64_sys_mount+0x514/0x5e4 [ 215.779372][ T5610] invoke_syscall+0x98/0x2b8 [ 215.780646][ T5610] el0_svc_common+0x138/0x258 [ 215.781905][ T5610] do_el0_svc+0x58/0x14c [ 215.783137][ T5610] el0_svc+0x78/0x1e0 [ 215.784291][ T5610] el0t_64_sync_handler+0xcc/0xe4 [ 215.785698][ T5610] el0t_64_sync+0x1a0/0x1a4 [ 215.789032][ T5610] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.792718][ T5610] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:35 executed programs: 248 [ 216.063553][ T5612] loop1: detected capacity change from 0 to 32768 [ 216.116250][ T5612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.118332][ T5612] CPU: 1 PID: 5612 Comm: syz.1.262 Not tainted 5.15.184-syzkaller #0 [ 216.120638][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.123460][ T5612] Call trace: [ 216.124370][ T5612] dump_backtrace+0x0/0x43c [ 216.125608][ T5612] show_stack+0x2c/0x3c [ 216.126832][ T5612] __dump_stack+0x30/0x40 [ 216.128039][ T5612] dump_stack_lvl+0xf8/0x160 [ 216.129436][ T5612] dump_stack+0x1c/0x5c [ 216.130595][ T5612] sysfs_create_dir_ns+0x22c/0x24c [ 216.132050][ T5612] kobject_add_internal+0x590/0xc54 [ 216.133550][ T5612] kobject_init_and_add+0x118/0x17c [ 216.134932][ T5612] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.136264][ T5612] gfs2_fill_super+0xdac/0x19e0 [ 216.137627][ T5612] get_tree_bdev+0x358/0x544 [ 216.138949][ T5612] gfs2_get_tree+0x54/0x1b4 [ 216.140186][ T5612] vfs_get_tree+0x90/0x274 [ 216.141406][ T5612] do_new_mount+0x228/0x810 [ 216.142639][ T5612] path_mount+0x5b4/0x1000 [ 216.143912][ T5612] __arm64_sys_mount+0x514/0x5e4 [ 216.145307][ T5612] invoke_syscall+0x98/0x2b8 [ 216.146637][ T5612] el0_svc_common+0x138/0x258 [ 216.147936][ T5612] do_el0_svc+0x58/0x14c [ 216.149163][ T5612] el0_svc+0x78/0x1e0 [ 216.150251][ T5612] el0t_64_sync_handler+0xcc/0xe4 [ 216.151646][ T5612] el0t_64_sync+0x1a0/0x1a4 [ 216.169193][ T5612] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.178127][ T5612] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.474940][ T5614] loop1: detected capacity change from 0 to 32768 [ 216.528553][ T5614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.530848][ T5614] CPU: 1 PID: 5614 Comm: syz.1.263 Not tainted 5.15.184-syzkaller #0 [ 216.533042][ T5614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.535875][ T5614] Call trace: [ 216.536799][ T5614] dump_backtrace+0x0/0x43c [ 216.538025][ T5614] show_stack+0x2c/0x3c [ 216.539192][ T5614] __dump_stack+0x30/0x40 [ 216.540379][ T5614] dump_stack_lvl+0xf8/0x160 [ 216.541782][ T5614] dump_stack+0x1c/0x5c [ 216.542981][ T5614] sysfs_create_dir_ns+0x22c/0x24c [ 216.544485][ T5614] kobject_add_internal+0x590/0xc54 [ 216.545947][ T5614] kobject_init_and_add+0x118/0x17c [ 216.547444][ T5614] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.548740][ T5614] gfs2_fill_super+0xdac/0x19e0 [ 216.550096][ T5614] get_tree_bdev+0x358/0x544 [ 216.551444][ T5614] gfs2_get_tree+0x54/0x1b4 [ 216.552736][ T5614] vfs_get_tree+0x90/0x274 [ 216.553984][ T5614] do_new_mount+0x228/0x810 [ 216.555217][ T5614] path_mount+0x5b4/0x1000 [ 216.556427][ T5614] __arm64_sys_mount+0x514/0x5e4 [ 216.557828][ T5614] invoke_syscall+0x98/0x2b8 [ 216.559146][ T5614] el0_svc_common+0x138/0x258 [ 216.560442][ T5614] do_el0_svc+0x58/0x14c [ 216.561639][ T5614] el0_svc+0x78/0x1e0 [ 216.562739][ T5614] el0t_64_sync_handler+0xcc/0xe4 [ 216.564125][ T5614] el0t_64_sync+0x1a0/0x1a4 [ 216.568742][ T5614] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.572447][ T5614] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.838862][ T5616] loop1: detected capacity change from 0 to 32768 [ 216.850900][ T5616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.853019][ T5616] CPU: 1 PID: 5616 Comm: syz.1.264 Not tainted 5.15.184-syzkaller #0 [ 216.855363][ T5616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.858124][ T5616] Call trace: [ 216.859020][ T5616] dump_backtrace+0x0/0x43c [ 216.860373][ T5616] show_stack+0x2c/0x3c [ 216.861512][ T5616] __dump_stack+0x30/0x40 [ 216.862685][ T5616] dump_stack_lvl+0xf8/0x160 [ 216.863943][ T5616] dump_stack+0x1c/0x5c [ 216.865073][ T5616] sysfs_create_dir_ns+0x22c/0x24c [ 216.866477][ T5616] kobject_add_internal+0x590/0xc54 [ 216.867910][ T5616] kobject_init_and_add+0x118/0x17c [ 216.869377][ T5616] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.870651][ T5616] gfs2_fill_super+0xdac/0x19e0 [ 216.871979][ T5616] get_tree_bdev+0x358/0x544 [ 216.873240][ T5616] gfs2_get_tree+0x54/0x1b4 [ 216.874529][ T5616] vfs_get_tree+0x90/0x274 [ 216.875736][ T5616] do_new_mount+0x228/0x810 [ 216.877020][ T5616] path_mount+0x5b4/0x1000 [ 216.878270][ T5616] __arm64_sys_mount+0x514/0x5e4 [ 216.879596][ T5616] invoke_syscall+0x98/0x2b8 [ 216.880873][ T5616] el0_svc_common+0x138/0x258 [ 216.882230][ T5616] do_el0_svc+0x58/0x14c [ 216.883462][ T5616] el0_svc+0x78/0x1e0 [ 216.884575][ T5616] el0t_64_sync_handler+0xcc/0xe4 [ 216.885932][ T5616] el0t_64_sync+0x1a0/0x1a4 [ 216.889359][ T5616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.893092][ T5616] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.169951][ T5618] loop1: detected capacity change from 0 to 32768 [ 217.212537][ T5618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.214751][ T5618] CPU: 1 PID: 5618 Comm: syz.1.265 Not tainted 5.15.184-syzkaller #0 [ 217.216973][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 217.219792][ T5618] Call trace: [ 217.220750][ T5618] dump_backtrace+0x0/0x43c [ 217.221986][ T5618] show_stack+0x2c/0x3c [ 217.223180][ T5618] __dump_stack+0x30/0x40 [ 217.224360][ T5618] dump_stack_lvl+0xf8/0x160 [ 217.225649][ T5618] dump_stack+0x1c/0x5c [ 217.226775][ T5618] sysfs_create_dir_ns+0x22c/0x24c [ 217.228253][ T5618] kobject_add_internal+0x590/0xc54 [ 217.229671][ T5618] kobject_init_and_add+0x118/0x17c [ 217.231179][ T5618] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.232551][ T5618] gfs2_fill_super+0xdac/0x19e0 [ 217.233923][ T5618] get_tree_bdev+0x358/0x544 [ 217.235281][ T5618] gfs2_get_tree+0x54/0x1b4 [ 217.236557][ T5618] vfs_get_tree+0x90/0x274 [ 217.237762][ T5618] do_new_mount+0x228/0x810 [ 217.239106][ T5618] path_mount+0x5b4/0x1000 [ 217.240327][ T5618] __arm64_sys_mount+0x514/0x5e4 [ 217.241643][ T5618] invoke_syscall+0x98/0x2b8 [ 217.242874][ T5618] el0_svc_common+0x138/0x258 [ 217.244192][ T5618] do_el0_svc+0x58/0x14c [ 217.245365][ T5618] el0_svc+0x78/0x1e0 [ 217.246458][ T5618] el0t_64_sync_handler+0xcc/0xe4 [ 217.247879][ T5618] el0t_64_sync+0x1a0/0x1a4 [ 217.261426][ T5618] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.265115][ T5618] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.532470][ T5620] loop1: detected capacity change from 0 to 32768 [ 217.581343][ T5620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.583528][ T5620] CPU: 1 PID: 5620 Comm: syz.1.266 Not tainted 5.15.184-syzkaller #0 [ 217.585790][ T5620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 217.588592][ T5620] Call trace: [ 217.589512][ T5620] dump_backtrace+0x0/0x43c [ 217.590778][ T5620] show_stack+0x2c/0x3c [ 217.591927][ T5620] __dump_stack+0x30/0x40 [ 217.593115][ T5620] dump_stack_lvl+0xf8/0x160 [ 217.594374][ T5620] dump_stack+0x1c/0x5c [ 217.595576][ T5620] sysfs_create_dir_ns+0x22c/0x24c [ 217.596968][ T5620] kobject_add_internal+0x590/0xc54 [ 217.598425][ T5620] kobject_init_and_add+0x118/0x17c [ 217.599863][ T5620] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.601284][ T5620] gfs2_fill_super+0xdac/0x19e0 [ 217.602716][ T5620] get_tree_bdev+0x358/0x544 [ 217.604074][ T5620] gfs2_get_tree+0x54/0x1b4 [ 217.605425][ T5620] vfs_get_tree+0x90/0x274 [ 217.606620][ T5620] do_new_mount+0x228/0x810 [ 217.607816][ T5620] path_mount+0x5b4/0x1000 [ 217.609038][ T5620] __arm64_sys_mount+0x514/0x5e4 [ 217.610426][ T5620] invoke_syscall+0x98/0x2b8 [ 217.611743][ T5620] el0_svc_common+0x138/0x258 [ 217.613068][ T5620] do_el0_svc+0x58/0x14c [ 217.614210][ T5620] el0_svc+0x78/0x1e0 [ 217.615303][ T5620] el0t_64_sync_handler+0xcc/0xe4 [ 217.616668][ T5620] el0t_64_sync+0x1a0/0x1a4 [ 217.628650][ T5620] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.632633][ T5620] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.896622][ T5622] loop1: detected capacity change from 0 to 32768 [ 217.943703][ T5622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.945747][ T5622] CPU: 0 PID: 5622 Comm: syz.1.267 Not tainted 5.15.184-syzkaller #0 [ 217.947950][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 217.950716][ T5622] Call trace: [ 217.951639][ T5622] dump_backtrace+0x0/0x43c [ 217.952885][ T5622] show_stack+0x2c/0x3c [ 217.954023][ T5622] __dump_stack+0x30/0x40 [ 217.955254][ T5622] dump_stack_lvl+0xf8/0x160 [ 217.956491][ T5622] dump_stack+0x1c/0x5c [ 217.957622][ T5622] sysfs_create_dir_ns+0x22c/0x24c [ 217.958977][ T5622] kobject_add_internal+0x590/0xc54 [ 217.960405][ T5622] kobject_init_and_add+0x118/0x17c [ 217.961750][ T5622] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.963049][ T5622] gfs2_fill_super+0xdac/0x19e0 [ 217.964411][ T5622] get_tree_bdev+0x358/0x544 [ 217.965670][ T5622] gfs2_get_tree+0x54/0x1b4 [ 217.966963][ T5622] vfs_get_tree+0x90/0x274 [ 217.968291][ T5622] do_new_mount+0x228/0x810 [ 217.969582][ T5622] path_mount+0x5b4/0x1000 [ 217.970814][ T5622] __arm64_sys_mount+0x514/0x5e4 [ 217.972231][ T5622] invoke_syscall+0x98/0x2b8 [ 217.973463][ T5622] el0_svc_common+0x138/0x258 [ 217.974754][ T5622] do_el0_svc+0x58/0x14c [ 217.975956][ T5622] el0_svc+0x78/0x1e0 [ 217.977087][ T5622] el0t_64_sync_handler+0xcc/0xe4 [ 217.978435][ T5622] el0t_64_sync+0x1a0/0x1a4 [ 217.984658][ T5622] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.988819][ T5622] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.262320][ T5624] loop1: detected capacity change from 0 to 32768 [ 218.274512][ T5624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.276591][ T5624] CPU: 0 PID: 5624 Comm: syz.1.268 Not tainted 5.15.184-syzkaller #0 [ 218.278817][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 218.281608][ T5624] Call trace: [ 218.282485][ T5624] dump_backtrace+0x0/0x43c [ 218.283710][ T5624] show_stack+0x2c/0x3c [ 218.284855][ T5624] __dump_stack+0x30/0x40 [ 218.286066][ T5624] dump_stack_lvl+0xf8/0x160 [ 218.287359][ T5624] dump_stack+0x1c/0x5c [ 218.288491][ T5624] sysfs_create_dir_ns+0x22c/0x24c [ 218.289892][ T5624] kobject_add_internal+0x590/0xc54 [ 218.291363][ T5624] kobject_init_and_add+0x118/0x17c [ 218.292811][ T5624] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.294142][ T5624] gfs2_fill_super+0xdac/0x19e0 [ 218.295439][ T5624] get_tree_bdev+0x358/0x544 [ 218.296720][ T5624] gfs2_get_tree+0x54/0x1b4 [ 218.297981][ T5624] vfs_get_tree+0x90/0x274 [ 218.299231][ T5624] do_new_mount+0x228/0x810 [ 218.300483][ T5624] path_mount+0x5b4/0x1000 [ 218.301689][ T5624] __arm64_sys_mount+0x514/0x5e4 [ 218.303066][ T5624] invoke_syscall+0x98/0x2b8 [ 218.304370][ T5624] el0_svc_common+0x138/0x258 [ 218.305678][ T5624] do_el0_svc+0x58/0x14c [ 218.306850][ T5624] el0_svc+0x78/0x1e0 [ 218.307945][ T5624] el0t_64_sync_handler+0xcc/0xe4 [ 218.309339][ T5624] el0t_64_sync+0x1a0/0x1a4 [ 218.310765][ T5624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.314264][ T5624] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.585553][ T5626] loop1: detected capacity change from 0 to 32768 [ 218.650522][ T5626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.652725][ T5626] CPU: 1 PID: 5626 Comm: syz.1.269 Not tainted 5.15.184-syzkaller #0 [ 218.655026][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 218.657766][ T5626] Call trace: [ 218.658698][ T5626] dump_backtrace+0x0/0x43c [ 218.659960][ T5626] show_stack+0x2c/0x3c [ 218.661136][ T5626] __dump_stack+0x30/0x40 [ 218.662423][ T5626] dump_stack_lvl+0xf8/0x160 [ 218.663744][ T5626] dump_stack+0x1c/0x5c [ 218.664916][ T5626] sysfs_create_dir_ns+0x22c/0x24c [ 218.666401][ T5626] kobject_add_internal+0x590/0xc54 [ 218.667869][ T5626] kobject_init_and_add+0x118/0x17c [ 218.669360][ T5626] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.670664][ T5626] gfs2_fill_super+0xdac/0x19e0 [ 218.672036][ T5626] get_tree_bdev+0x358/0x544 [ 218.673381][ T5626] gfs2_get_tree+0x54/0x1b4 [ 218.674716][ T5626] vfs_get_tree+0x90/0x274 [ 218.675957][ T5626] do_new_mount+0x228/0x810 [ 218.677240][ T5626] path_mount+0x5b4/0x1000 [ 218.678465][ T5626] __arm64_sys_mount+0x514/0x5e4 [ 218.679813][ T5626] invoke_syscall+0x98/0x2b8 [ 218.681035][ T5626] el0_svc_common+0x138/0x258 [ 218.682328][ T5626] do_el0_svc+0x58/0x14c [ 218.683514][ T5626] el0_svc+0x78/0x1e0 [ 218.684652][ T5626] el0t_64_sync_handler+0xcc/0xe4 [ 218.686038][ T5626] el0t_64_sync+0x1a0/0x1a4 [ 218.689352][ T5626] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.693131][ T5626] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.967349][ T5628] loop1: detected capacity change from 0 to 32768 [ 219.023934][ T5628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.026000][ T5628] CPU: 1 PID: 5628 Comm: syz.1.270 Not tainted 5.15.184-syzkaller #0 [ 219.028217][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.031083][ T5628] Call trace: [ 219.031964][ T5628] dump_backtrace+0x0/0x43c [ 219.033254][ T5628] show_stack+0x2c/0x3c [ 219.034383][ T5628] __dump_stack+0x30/0x40 [ 219.035561][ T5628] dump_stack_lvl+0xf8/0x160 [ 219.036866][ T5628] dump_stack+0x1c/0x5c [ 219.038023][ T5628] sysfs_create_dir_ns+0x22c/0x24c [ 219.039552][ T5628] kobject_add_internal+0x590/0xc54 [ 219.040976][ T5628] kobject_init_and_add+0x118/0x17c [ 219.042390][ T5628] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.043696][ T5628] gfs2_fill_super+0xdac/0x19e0 [ 219.044997][ T5628] get_tree_bdev+0x358/0x544 [ 219.046254][ T5628] gfs2_get_tree+0x54/0x1b4 [ 219.047478][ T5628] vfs_get_tree+0x90/0x274 [ 219.048706][ T5628] do_new_mount+0x228/0x810 [ 219.049942][ T5628] path_mount+0x5b4/0x1000 [ 219.051165][ T5628] __arm64_sys_mount+0x514/0x5e4 [ 219.052601][ T5628] invoke_syscall+0x98/0x2b8 [ 219.053866][ T5628] el0_svc_common+0x138/0x258 [ 219.055186][ T5628] do_el0_svc+0x58/0x14c [ 219.056395][ T5628] el0_svc+0x78/0x1e0 [ 219.057494][ T5628] el0t_64_sync_handler+0xcc/0xe4 [ 219.058856][ T5628] el0t_64_sync+0x1a0/0x1a4 [ 219.061861][ T5628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.065474][ T5628] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.328880][ T5630] loop1: detected capacity change from 0 to 32768 [ 219.418150][ T5630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.420433][ T5630] CPU: 1 PID: 5630 Comm: syz.1.271 Not tainted 5.15.184-syzkaller #0 [ 219.422655][ T5630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.425373][ T5630] Call trace: [ 219.426312][ T5630] dump_backtrace+0x0/0x43c [ 219.427582][ T5630] show_stack+0x2c/0x3c [ 219.428713][ T5630] __dump_stack+0x30/0x40 [ 219.429885][ T5630] dump_stack_lvl+0xf8/0x160 [ 219.431155][ T5630] dump_stack+0x1c/0x5c [ 219.432286][ T5630] sysfs_create_dir_ns+0x22c/0x24c [ 219.433729][ T5630] kobject_add_internal+0x590/0xc54 [ 219.435180][ T5630] kobject_init_and_add+0x118/0x17c [ 219.436642][ T5630] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.437955][ T5630] gfs2_fill_super+0xdac/0x19e0 [ 219.439320][ T5630] get_tree_bdev+0x358/0x544 [ 219.440611][ T5630] gfs2_get_tree+0x54/0x1b4 [ 219.441853][ T5630] vfs_get_tree+0x90/0x274 [ 219.443103][ T5630] do_new_mount+0x228/0x810 [ 219.444406][ T5630] path_mount+0x5b4/0x1000 [ 219.445682][ T5630] __arm64_sys_mount+0x514/0x5e4 [ 219.447039][ T5630] invoke_syscall+0x98/0x2b8 [ 219.448337][ T5630] el0_svc_common+0x138/0x258 [ 219.449679][ T5630] do_el0_svc+0x58/0x14c [ 219.450844][ T5630] el0_svc+0x78/0x1e0 [ 219.451984][ T5630] el0t_64_sync_handler+0xcc/0xe4 [ 219.453363][ T5630] el0t_64_sync+0x1a0/0x1a4 [ 219.457375][ T5630] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.461479][ T5630] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.738070][ T5632] loop1: detected capacity change from 0 to 32768 [ 219.796249][ T5632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.798449][ T5632] CPU: 1 PID: 5632 Comm: syz.1.272 Not tainted 5.15.184-syzkaller #0 [ 219.800852][ T5632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.803710][ T5632] Call trace: [ 219.804603][ T5632] dump_backtrace+0x0/0x43c [ 219.805879][ T5632] show_stack+0x2c/0x3c [ 219.807037][ T5632] __dump_stack+0x30/0x40 [ 219.808280][ T5632] dump_stack_lvl+0xf8/0x160 [ 219.809583][ T5632] dump_stack+0x1c/0x5c [ 219.810772][ T5632] sysfs_create_dir_ns+0x22c/0x24c [ 219.812201][ T5632] kobject_add_internal+0x590/0xc54 [ 219.813630][ T5632] kobject_init_and_add+0x118/0x17c [ 219.815166][ T5632] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.816525][ T5632] gfs2_fill_super+0xdac/0x19e0 [ 219.817939][ T5632] get_tree_bdev+0x358/0x544 [ 219.819243][ T5632] gfs2_get_tree+0x54/0x1b4 [ 219.820617][ T5632] vfs_get_tree+0x90/0x274 [ 219.821859][ T5632] do_new_mount+0x228/0x810 [ 219.823092][ T5632] path_mount+0x5b4/0x1000 [ 219.824355][ T5632] __arm64_sys_mount+0x514/0x5e4 [ 219.825735][ T5632] invoke_syscall+0x98/0x2b8 [ 219.827028][ T5632] el0_svc_common+0x138/0x258 [ 219.828343][ T5632] do_el0_svc+0x58/0x14c [ 219.829522][ T5632] el0_svc+0x78/0x1e0 [ 219.830610][ T5632] el0t_64_sync_handler+0xcc/0xe4 [ 219.831990][ T5632] el0t_64_sync+0x1a0/0x1a4 [ 219.835935][ T5632] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.839605][ T5632] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.104919][ T5634] loop1: detected capacity change from 0 to 32768 [ 220.158711][ T5634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.161570][ T5634] CPU: 1 PID: 5634 Comm: syz.1.273 Not tainted 5.15.184-syzkaller #0 [ 220.163748][ T5634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 220.166536][ T5634] Call trace: [ 220.167430][ T5634] dump_backtrace+0x0/0x43c [ 220.168668][ T5634] show_stack+0x2c/0x3c [ 220.169798][ T5634] __dump_stack+0x30/0x40 [ 220.170972][ T5634] dump_stack_lvl+0xf8/0x160 [ 220.172243][ T5634] dump_stack+0x1c/0x5c [ 220.173381][ T5634] sysfs_create_dir_ns+0x22c/0x24c [ 220.174839][ T5634] kobject_add_internal+0x590/0xc54 [ 220.176314][ T5634] kobject_init_and_add+0x118/0x17c [ 220.177777][ T5634] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.179148][ T5634] gfs2_fill_super+0xdac/0x19e0 [ 220.180472][ T5634] get_tree_bdev+0x358/0x544 [ 220.181750][ T5634] gfs2_get_tree+0x54/0x1b4 [ 220.182954][ T5634] vfs_get_tree+0x90/0x274 [ 220.184190][ T5634] do_new_mount+0x228/0x810 [ 220.185420][ T5634] path_mount+0x5b4/0x1000 [ 220.186601][ T5634] __arm64_sys_mount+0x514/0x5e4 [ 220.187950][ T5634] invoke_syscall+0x98/0x2b8 [ 220.189189][ T5634] el0_svc_common+0x138/0x258 [ 220.190501][ T5634] do_el0_svc+0x58/0x14c [ 220.191640][ T5634] el0_svc+0x78/0x1e0 [ 220.192716][ T5634] el0t_64_sync_handler+0xcc/0xe4 [ 220.194134][ T5634] el0t_64_sync+0x1a0/0x1a4 [ 220.197973][ T5634] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.201899][ T5634] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.464804][ T5636] loop1: detected capacity change from 0 to 32768 [ 220.558260][ T5636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.565656][ T5636] CPU: 1 PID: 5636 Comm: syz.1.274 Not tainted 5.15.184-syzkaller #0 [ 220.567952][ T5636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 220.570745][ T5636] Call trace: [ 220.571677][ T5636] dump_backtrace+0x0/0x43c [ 220.572910][ T5636] show_stack+0x2c/0x3c [ 220.574082][ T5636] __dump_stack+0x30/0x40 [ 220.575293][ T5636] dump_stack_lvl+0xf8/0x160 [ 220.576538][ T5636] dump_stack+0x1c/0x5c [ 220.577704][ T5636] sysfs_create_dir_ns+0x22c/0x24c [ 220.579181][ T5636] kobject_add_internal+0x590/0xc54 [ 220.580602][ T5636] kobject_init_and_add+0x118/0x17c [ 220.582037][ T5636] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.583346][ T5636] gfs2_fill_super+0xdac/0x19e0 [ 220.584716][ T5636] get_tree_bdev+0x358/0x544 [ 220.586000][ T5636] gfs2_get_tree+0x54/0x1b4 [ 220.587261][ T5636] vfs_get_tree+0x90/0x274 [ 220.588535][ T5636] do_new_mount+0x228/0x810 [ 220.589769][ T5636] path_mount+0x5b4/0x1000 [ 220.590957][ T5636] __arm64_sys_mount+0x514/0x5e4 [ 220.592346][ T5636] invoke_syscall+0x98/0x2b8 [ 220.593599][ T5636] el0_svc_common+0x138/0x258 [ 220.594905][ T5636] do_el0_svc+0x58/0x14c [ 220.596104][ T5636] el0_svc+0x78/0x1e0 [ 220.597218][ T5636] el0t_64_sync_handler+0xcc/0xe4 [ 220.598557][ T5636] el0t_64_sync+0x1a0/0x1a4 [ 220.603544][ T5636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.607338][ T5636] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.880567][ T5638] loop1: detected capacity change from 0 to 32768 [ 220.933290][ T5638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.935438][ T5638] CPU: 0 PID: 5638 Comm: syz.1.275 Not tainted 5.15.184-syzkaller #0 [ 220.937659][ T5638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 220.940470][ T5638] Call trace: [ 220.941325][ T5638] dump_backtrace+0x0/0x43c [ 220.942587][ T5638] show_stack+0x2c/0x3c [ 220.943704][ T5638] __dump_stack+0x30/0x40 [ 220.944889][ T5638] dump_stack_lvl+0xf8/0x160 [ 220.946156][ T5638] dump_stack+0x1c/0x5c [ 220.947286][ T5638] sysfs_create_dir_ns+0x22c/0x24c [ 220.948754][ T5638] kobject_add_internal+0x590/0xc54 [ 220.950198][ T5638] kobject_init_and_add+0x118/0x17c [ 220.951618][ T5638] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.952944][ T5638] gfs2_fill_super+0xdac/0x19e0 [ 220.954258][ T5638] get_tree_bdev+0x358/0x544 [ 220.955501][ T5638] gfs2_get_tree+0x54/0x1b4 [ 220.956771][ T5638] vfs_get_tree+0x90/0x274 [ 220.957986][ T5638] do_new_mount+0x228/0x810 [ 220.959292][ T5638] path_mount+0x5b4/0x1000 [ 220.960517][ T5638] __arm64_sys_mount+0x514/0x5e4 [ 220.961850][ T5638] invoke_syscall+0x98/0x2b8 [ 220.963149][ T5638] el0_svc_common+0x138/0x258 [ 220.964423][ T5638] do_el0_svc+0x58/0x14c [ 220.965587][ T5638] el0_svc+0x78/0x1e0 [ 220.966695][ T5638] el0t_64_sync_handler+0xcc/0xe4 [ 220.968073][ T5638] el0t_64_sync+0x1a0/0x1a4 [ 220.969465][ T5638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.973033][ T5638] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:41 executed programs: 262 [ 221.311264][ T5640] loop1: detected capacity change from 0 to 32768 [ 221.377764][ T5640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.381430][ T5640] CPU: 1 PID: 5640 Comm: syz.1.276 Not tainted 5.15.184-syzkaller #0 [ 221.383755][ T5640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 221.386639][ T5640] Call trace: [ 221.387594][ T5640] dump_backtrace+0x0/0x43c [ 221.388856][ T5640] show_stack+0x2c/0x3c [ 221.390002][ T5640] __dump_stack+0x30/0x40 [ 221.391220][ T5640] dump_stack_lvl+0xf8/0x160 [ 221.392512][ T5640] dump_stack+0x1c/0x5c [ 221.393671][ T5640] sysfs_create_dir_ns+0x22c/0x24c [ 221.395085][ T5640] kobject_add_internal+0x590/0xc54 [ 221.396559][ T5640] kobject_init_and_add+0x118/0x17c [ 221.397998][ T5640] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.399358][ T5640] gfs2_fill_super+0xdac/0x19e0 [ 221.400757][ T5640] get_tree_bdev+0x358/0x544 [ 221.402107][ T5640] gfs2_get_tree+0x54/0x1b4 [ 221.403399][ T5640] vfs_get_tree+0x90/0x274 [ 221.404639][ T5640] do_new_mount+0x228/0x810 [ 221.405896][ T5640] path_mount+0x5b4/0x1000 [ 221.407164][ T5640] __arm64_sys_mount+0x514/0x5e4 [ 221.408538][ T5640] invoke_syscall+0x98/0x2b8 [ 221.409808][ T5640] el0_svc_common+0x138/0x258 [ 221.411105][ T5640] do_el0_svc+0x58/0x14c [ 221.412307][ T5640] el0_svc+0x78/0x1e0 [ 221.413417][ T5640] el0t_64_sync_handler+0xcc/0xe4 [ 221.414811][ T5640] el0t_64_sync+0x1a0/0x1a4 [ 221.418716][ T5640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.422832][ T5640] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.691980][ T5642] loop1: detected capacity change from 0 to 32768 [ 221.741628][ T5642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.743897][ T5642] CPU: 1 PID: 5642 Comm: syz.1.277 Not tainted 5.15.184-syzkaller #0 [ 221.746089][ T5642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 221.748831][ T5642] Call trace: [ 221.749739][ T5642] dump_backtrace+0x0/0x43c [ 221.751011][ T5642] show_stack+0x2c/0x3c [ 221.752200][ T5642] __dump_stack+0x30/0x40 [ 221.753445][ T5642] dump_stack_lvl+0xf8/0x160 [ 221.754741][ T5642] dump_stack+0x1c/0x5c [ 221.755996][ T5642] sysfs_create_dir_ns+0x22c/0x24c [ 221.757436][ T5642] kobject_add_internal+0x590/0xc54 [ 221.758886][ T5642] kobject_init_and_add+0x118/0x17c [ 221.760417][ T5642] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.761800][ T5642] gfs2_fill_super+0xdac/0x19e0 [ 221.763167][ T5642] get_tree_bdev+0x358/0x544 [ 221.764470][ T5642] gfs2_get_tree+0x54/0x1b4 [ 221.765704][ T5642] vfs_get_tree+0x90/0x274 [ 221.766988][ T5642] do_new_mount+0x228/0x810 [ 221.768282][ T5642] path_mount+0x5b4/0x1000 [ 221.769498][ T5642] __arm64_sys_mount+0x514/0x5e4 [ 221.770859][ T5642] invoke_syscall+0x98/0x2b8 [ 221.772144][ T5642] el0_svc_common+0x138/0x258 [ 221.773471][ T5642] do_el0_svc+0x58/0x14c [ 221.774680][ T5642] el0_svc+0x78/0x1e0 [ 221.775818][ T5642] el0t_64_sync_handler+0xcc/0xe4 [ 221.777238][ T5642] el0t_64_sync+0x1a0/0x1a4 [ 221.779213][ T5642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.782781][ T5642] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.094995][ T5644] loop1: detected capacity change from 0 to 32768 [ 222.148999][ T5644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.151277][ T5644] CPU: 0 PID: 5644 Comm: syz.1.278 Not tainted 5.15.184-syzkaller #0 [ 222.153488][ T5644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 222.156298][ T5644] Call trace: [ 222.157178][ T5644] dump_backtrace+0x0/0x43c [ 222.158407][ T5644] show_stack+0x2c/0x3c [ 222.159507][ T5644] __dump_stack+0x30/0x40 [ 222.160724][ T5644] dump_stack_lvl+0xf8/0x160 [ 222.161987][ T5644] dump_stack+0x1c/0x5c [ 222.163141][ T5644] sysfs_create_dir_ns+0x22c/0x24c [ 222.164540][ T5644] kobject_add_internal+0x590/0xc54 [ 222.165991][ T5644] kobject_init_and_add+0x118/0x17c [ 222.167432][ T5644] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.168729][ T5644] gfs2_fill_super+0xdac/0x19e0 [ 222.170052][ T5644] get_tree_bdev+0x358/0x544 [ 222.171283][ T5644] gfs2_get_tree+0x54/0x1b4 [ 222.172521][ T5644] vfs_get_tree+0x90/0x274 [ 222.173759][ T5644] do_new_mount+0x228/0x810 [ 222.174994][ T5644] path_mount+0x5b4/0x1000 [ 222.176215][ T5644] __arm64_sys_mount+0x514/0x5e4 [ 222.177584][ T5644] invoke_syscall+0x98/0x2b8 [ 222.178880][ T5644] el0_svc_common+0x138/0x258 [ 222.180173][ T5644] do_el0_svc+0x58/0x14c [ 222.181319][ T5644] el0_svc+0x78/0x1e0 [ 222.182430][ T5644] el0t_64_sync_handler+0xcc/0xe4 [ 222.183847][ T5644] el0t_64_sync+0x1a0/0x1a4 [ 222.185381][ T5644] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.188937][ T5644] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.508224][ T5646] loop1: detected capacity change from 0 to 32768 [ 222.559575][ T5646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.561757][ T5646] CPU: 0 PID: 5646 Comm: syz.1.279 Not tainted 5.15.184-syzkaller #0 [ 222.563967][ T5646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 222.566763][ T5646] Call trace: [ 222.567598][ T5646] dump_backtrace+0x0/0x43c [ 222.568805][ T5646] show_stack+0x2c/0x3c [ 222.569901][ T5646] __dump_stack+0x30/0x40 [ 222.571093][ T5646] dump_stack_lvl+0xf8/0x160 [ 222.572416][ T5646] dump_stack+0x1c/0x5c [ 222.573519][ T5646] sysfs_create_dir_ns+0x22c/0x24c [ 222.574930][ T5646] kobject_add_internal+0x590/0xc54 [ 222.576380][ T5646] kobject_init_and_add+0x118/0x17c [ 222.577795][ T5646] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.579125][ T5646] gfs2_fill_super+0xdac/0x19e0 [ 222.580455][ T5646] get_tree_bdev+0x358/0x544 [ 222.581719][ T5646] gfs2_get_tree+0x54/0x1b4 [ 222.582988][ T5646] vfs_get_tree+0x90/0x274 [ 222.584243][ T5646] do_new_mount+0x228/0x810 [ 222.585527][ T5646] path_mount+0x5b4/0x1000 [ 222.586755][ T5646] __arm64_sys_mount+0x514/0x5e4 [ 222.588057][ T5646] invoke_syscall+0x98/0x2b8 [ 222.589359][ T5646] el0_svc_common+0x138/0x258 [ 222.590674][ T5646] do_el0_svc+0x58/0x14c [ 222.591822][ T5646] el0_svc+0x78/0x1e0 [ 222.592905][ T5646] el0t_64_sync_handler+0xcc/0xe4 [ 222.594335][ T5646] el0t_64_sync+0x1a0/0x1a4 [ 222.596035][ T5646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.600088][ T5646] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.020451][ T5648] loop1: detected capacity change from 0 to 32768 [ 223.095915][ T5648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.097978][ T5648] CPU: 1 PID: 5648 Comm: syz.1.280 Not tainted 5.15.184-syzkaller #0 [ 223.100194][ T5648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.102934][ T5648] Call trace: [ 223.103846][ T5648] dump_backtrace+0x0/0x43c [ 223.105156][ T5648] show_stack+0x2c/0x3c [ 223.106314][ T5648] __dump_stack+0x30/0x40 [ 223.107499][ T5648] dump_stack_lvl+0xf8/0x160 [ 223.108726][ T5648] dump_stack+0x1c/0x5c [ 223.109898][ T5648] sysfs_create_dir_ns+0x22c/0x24c [ 223.111331][ T5648] kobject_add_internal+0x590/0xc54 [ 223.112758][ T5648] kobject_init_and_add+0x118/0x17c [ 223.114234][ T5648] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.115550][ T5648] gfs2_fill_super+0xdac/0x19e0 [ 223.116837][ T5648] get_tree_bdev+0x358/0x544 [ 223.118152][ T5648] gfs2_get_tree+0x54/0x1b4 [ 223.119410][ T5648] vfs_get_tree+0x90/0x274 [ 223.120631][ T5648] do_new_mount+0x228/0x810 [ 223.121863][ T5648] path_mount+0x5b4/0x1000 [ 223.123076][ T5648] __arm64_sys_mount+0x514/0x5e4 [ 223.124411][ T5648] invoke_syscall+0x98/0x2b8 [ 223.125709][ T5648] el0_svc_common+0x138/0x258 [ 223.127014][ T5648] do_el0_svc+0x58/0x14c [ 223.128215][ T5648] el0_svc+0x78/0x1e0 [ 223.129260][ T5648] el0t_64_sync_handler+0xcc/0xe4 [ 223.130634][ T5648] el0t_64_sync+0x1a0/0x1a4 [ 223.135837][ T5648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.139578][ T5648] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.411880][ T5650] loop1: detected capacity change from 0 to 32768 [ 223.454345][ T5650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.457023][ T5650] CPU: 1 PID: 5650 Comm: syz.1.281 Not tainted 5.15.184-syzkaller #0 [ 223.459359][ T5650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.462290][ T5650] Call trace: [ 223.463281][ T5650] dump_backtrace+0x0/0x43c [ 223.464594][ T5650] show_stack+0x2c/0x3c [ 223.465769][ T5650] __dump_stack+0x30/0x40 [ 223.466968][ T5650] dump_stack_lvl+0xf8/0x160 [ 223.468220][ T5650] dump_stack+0x1c/0x5c [ 223.469339][ T5650] sysfs_create_dir_ns+0x22c/0x24c [ 223.470759][ T5650] kobject_add_internal+0x590/0xc54 [ 223.472276][ T5650] kobject_init_and_add+0x118/0x17c [ 223.473748][ T5650] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.475074][ T5650] gfs2_fill_super+0xdac/0x19e0 [ 223.476408][ T5650] get_tree_bdev+0x358/0x544 [ 223.477714][ T5650] gfs2_get_tree+0x54/0x1b4 [ 223.478989][ T5650] vfs_get_tree+0x90/0x274 [ 223.480199][ T5650] do_new_mount+0x228/0x810 [ 223.481488][ T5650] path_mount+0x5b4/0x1000 [ 223.482748][ T5650] __arm64_sys_mount+0x514/0x5e4 [ 223.484208][ T5650] invoke_syscall+0x98/0x2b8 [ 223.485506][ T5650] el0_svc_common+0x138/0x258 [ 223.486792][ T5650] do_el0_svc+0x58/0x14c [ 223.487978][ T5650] el0_svc+0x78/0x1e0 [ 223.489037][ T5650] el0t_64_sync_handler+0xcc/0xe4 [ 223.490457][ T5650] el0t_64_sync+0x1a0/0x1a4 [ 223.505501][ T5650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.512356][ T5650] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.792263][ T5652] loop1: detected capacity change from 0 to 32768 [ 223.849908][ T5652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.852113][ T5652] CPU: 1 PID: 5652 Comm: syz.1.282 Not tainted 5.15.184-syzkaller #0 [ 223.854385][ T5652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.857117][ T5652] Call trace: [ 223.858025][ T5652] dump_backtrace+0x0/0x43c [ 223.859243][ T5652] show_stack+0x2c/0x3c [ 223.860387][ T5652] __dump_stack+0x30/0x40 [ 223.861612][ T5652] dump_stack_lvl+0xf8/0x160 [ 223.862875][ T5652] dump_stack+0x1c/0x5c [ 223.864013][ T5652] sysfs_create_dir_ns+0x22c/0x24c [ 223.865445][ T5652] kobject_add_internal+0x590/0xc54 [ 223.866885][ T5652] kobject_init_and_add+0x118/0x17c [ 223.868357][ T5652] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.869710][ T5652] gfs2_fill_super+0xdac/0x19e0 [ 223.871088][ T5652] get_tree_bdev+0x358/0x544 [ 223.872368][ T5652] gfs2_get_tree+0x54/0x1b4 [ 223.873616][ T5652] vfs_get_tree+0x90/0x274 [ 223.874831][ T5652] do_new_mount+0x228/0x810 [ 223.876107][ T5652] path_mount+0x5b4/0x1000 [ 223.877310][ T5652] __arm64_sys_mount+0x514/0x5e4 [ 223.878674][ T5652] invoke_syscall+0x98/0x2b8 [ 223.879902][ T5652] el0_svc_common+0x138/0x258 [ 223.881226][ T5652] do_el0_svc+0x58/0x14c [ 223.882418][ T5652] el0_svc+0x78/0x1e0 [ 223.883487][ T5652] el0t_64_sync_handler+0xcc/0xe4 [ 223.884874][ T5652] el0t_64_sync+0x1a0/0x1a4 [ 223.888695][ T5652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.892482][ T5652] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.164720][ T5654] loop1: detected capacity change from 0 to 32768 [ 224.219293][ T5654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.221457][ T5654] CPU: 1 PID: 5654 Comm: syz.1.283 Not tainted 5.15.184-syzkaller #0 [ 224.223694][ T5654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.226462][ T5654] Call trace: [ 224.227406][ T5654] dump_backtrace+0x0/0x43c [ 224.228676][ T5654] show_stack+0x2c/0x3c [ 224.229865][ T5654] __dump_stack+0x30/0x40 [ 224.231086][ T5654] dump_stack_lvl+0xf8/0x160 [ 224.232380][ T5654] dump_stack+0x1c/0x5c [ 224.233556][ T5654] sysfs_create_dir_ns+0x22c/0x24c [ 224.235028][ T5654] kobject_add_internal+0x590/0xc54 [ 224.236463][ T5654] kobject_init_and_add+0x118/0x17c [ 224.237978][ T5654] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.239323][ T5654] gfs2_fill_super+0xdac/0x19e0 [ 224.240648][ T5654] get_tree_bdev+0x358/0x544 [ 224.241996][ T5654] gfs2_get_tree+0x54/0x1b4 [ 224.243236][ T5654] vfs_get_tree+0x90/0x274 [ 224.244443][ T5654] do_new_mount+0x228/0x810 [ 224.245657][ T5654] path_mount+0x5b4/0x1000 [ 224.246888][ T5654] __arm64_sys_mount+0x514/0x5e4 [ 224.248267][ T5654] invoke_syscall+0x98/0x2b8 [ 224.249628][ T5654] el0_svc_common+0x138/0x258 [ 224.250912][ T5654] do_el0_svc+0x58/0x14c [ 224.252035][ T5654] el0_svc+0x78/0x1e0 [ 224.253231][ T5654] el0t_64_sync_handler+0xcc/0xe4 [ 224.254661][ T5654] el0t_64_sync+0x1a0/0x1a4 [ 224.258444][ T5654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.262537][ T5654] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.528673][ T5656] loop1: detected capacity change from 0 to 32768 [ 224.541792][ T5656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.543855][ T5656] CPU: 0 PID: 5656 Comm: syz.1.284 Not tainted 5.15.184-syzkaller #0 [ 224.546070][ T5656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.548817][ T5656] Call trace: [ 224.549716][ T5656] dump_backtrace+0x0/0x43c [ 224.550981][ T5656] show_stack+0x2c/0x3c [ 224.552154][ T5656] __dump_stack+0x30/0x40 [ 224.553362][ T5656] dump_stack_lvl+0xf8/0x160 [ 224.554614][ T5656] dump_stack+0x1c/0x5c [ 224.555789][ T5656] sysfs_create_dir_ns+0x22c/0x24c [ 224.557205][ T5656] kobject_add_internal+0x590/0xc54 [ 224.558630][ T5656] kobject_init_and_add+0x118/0x17c [ 224.560107][ T5656] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.561415][ T5656] gfs2_fill_super+0xdac/0x19e0 [ 224.562840][ T5656] get_tree_bdev+0x358/0x544 [ 224.564124][ T5656] gfs2_get_tree+0x54/0x1b4 [ 224.565364][ T5656] vfs_get_tree+0x90/0x274 [ 224.566559][ T5656] do_new_mount+0x228/0x810 [ 224.567799][ T5656] path_mount+0x5b4/0x1000 [ 224.569033][ T5656] __arm64_sys_mount+0x514/0x5e4 [ 224.570388][ T5656] invoke_syscall+0x98/0x2b8 [ 224.571629][ T5656] el0_svc_common+0x138/0x258 [ 224.572920][ T5656] do_el0_svc+0x58/0x14c [ 224.574084][ T5656] el0_svc+0x78/0x1e0 [ 224.575203][ T5656] el0t_64_sync_handler+0xcc/0xe4 [ 224.576608][ T5656] el0t_64_sync+0x1a0/0x1a4 [ 224.580211][ T5656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.583854][ T5656] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.844497][ T5658] loop1: detected capacity change from 0 to 32768 [ 224.943775][ T5658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.945884][ T5658] CPU: 1 PID: 5658 Comm: syz.1.285 Not tainted 5.15.184-syzkaller #0 [ 224.948300][ T5658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.951020][ T5658] Call trace: [ 224.951923][ T5658] dump_backtrace+0x0/0x43c [ 224.953195][ T5658] show_stack+0x2c/0x3c [ 224.954342][ T5658] __dump_stack+0x30/0x40 [ 224.955539][ T5658] dump_stack_lvl+0xf8/0x160 [ 224.956873][ T5658] dump_stack+0x1c/0x5c [ 224.958003][ T5658] sysfs_create_dir_ns+0x22c/0x24c [ 224.959415][ T5658] kobject_add_internal+0x590/0xc54 [ 224.960884][ T5658] kobject_init_and_add+0x118/0x17c [ 224.962293][ T5658] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.963603][ T5658] gfs2_fill_super+0xdac/0x19e0 [ 224.964937][ T5658] get_tree_bdev+0x358/0x544 [ 224.966253][ T5658] gfs2_get_tree+0x54/0x1b4 [ 224.967516][ T5658] vfs_get_tree+0x90/0x274 [ 224.968665][ T5658] do_new_mount+0x228/0x810 [ 224.969962][ T5658] path_mount+0x5b4/0x1000 [ 224.971173][ T5658] __arm64_sys_mount+0x514/0x5e4 [ 224.972568][ T5658] invoke_syscall+0x98/0x2b8 [ 224.973853][ T5658] el0_svc_common+0x138/0x258 [ 224.975160][ T5658] do_el0_svc+0x58/0x14c [ 224.976366][ T5658] el0_svc+0x78/0x1e0 [ 224.977466][ T5658] el0t_64_sync_handler+0xcc/0xe4 [ 224.978826][ T5658] el0t_64_sync+0x1a0/0x1a4 [ 224.982156][ T5658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.985824][ T5658] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.265005][ T5660] loop1: detected capacity change from 0 to 32768 [ 225.299332][ T4057] Bluetooth: hci0: command 0x0406 tx timeout [ 225.326158][ T5660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.328264][ T5660] CPU: 0 PID: 5660 Comm: syz.1.286 Not tainted 5.15.184-syzkaller #0 [ 225.330510][ T5660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 225.333323][ T5660] Call trace: [ 225.334284][ T5660] dump_backtrace+0x0/0x43c [ 225.335627][ T5660] show_stack+0x2c/0x3c [ 225.336844][ T5660] __dump_stack+0x30/0x40 [ 225.338119][ T5660] dump_stack_lvl+0xf8/0x160 [ 225.339394][ T5660] dump_stack+0x1c/0x5c [ 225.340581][ T5660] sysfs_create_dir_ns+0x22c/0x24c [ 225.341996][ T5660] kobject_add_internal+0x590/0xc54 [ 225.343447][ T5660] kobject_init_and_add+0x118/0x17c [ 225.344904][ T5660] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.346269][ T5660] gfs2_fill_super+0xdac/0x19e0 [ 225.347654][ T5660] get_tree_bdev+0x358/0x544 [ 225.348995][ T5660] gfs2_get_tree+0x54/0x1b4 [ 225.350279][ T5660] vfs_get_tree+0x90/0x274 [ 225.351514][ T5660] do_new_mount+0x228/0x810 [ 225.352789][ T5660] path_mount+0x5b4/0x1000 [ 225.354014][ T5660] __arm64_sys_mount+0x514/0x5e4 [ 225.355441][ T5660] invoke_syscall+0x98/0x2b8 [ 225.356731][ T5660] el0_svc_common+0x138/0x258 [ 225.358037][ T5660] do_el0_svc+0x58/0x14c [ 225.359267][ T5660] el0_svc+0x78/0x1e0 [ 225.360384][ T5660] el0t_64_sync_handler+0xcc/0xe4 [ 225.361793][ T5660] el0t_64_sync+0x1a0/0x1a4 [ 225.365267][ T5660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.368750][ T5660] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.645885][ T5662] loop1: detected capacity change from 0 to 32768 [ 225.698275][ T5662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.700474][ T5662] CPU: 1 PID: 5662 Comm: syz.1.287 Not tainted 5.15.184-syzkaller #0 [ 225.702788][ T5662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 225.705627][ T5662] Call trace: [ 225.706500][ T5662] dump_backtrace+0x0/0x43c [ 225.707759][ T5662] show_stack+0x2c/0x3c [ 225.709035][ T5662] __dump_stack+0x30/0x40 [ 225.710215][ T5662] dump_stack_lvl+0xf8/0x160 [ 225.711529][ T5662] dump_stack+0x1c/0x5c [ 225.712701][ T5662] sysfs_create_dir_ns+0x22c/0x24c [ 225.714096][ T5662] kobject_add_internal+0x590/0xc54 [ 225.715634][ T5662] kobject_init_and_add+0x118/0x17c [ 225.717164][ T5662] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.718496][ T5662] gfs2_fill_super+0xdac/0x19e0 [ 225.719836][ T5662] get_tree_bdev+0x358/0x544 [ 225.721176][ T5662] gfs2_get_tree+0x54/0x1b4 [ 225.722433][ T5662] vfs_get_tree+0x90/0x274 [ 225.723662][ T5662] do_new_mount+0x228/0x810 [ 225.724909][ T5662] path_mount+0x5b4/0x1000 [ 225.726225][ T5662] __arm64_sys_mount+0x514/0x5e4 [ 225.727599][ T5662] invoke_syscall+0x98/0x2b8 [ 225.728945][ T5662] el0_svc_common+0x138/0x258 [ 225.730252][ T5662] do_el0_svc+0x58/0x14c [ 225.731429][ T5662] el0_svc+0x78/0x1e0 [ 225.732532][ T5662] el0t_64_sync_handler+0xcc/0xe4 [ 225.733960][ T5662] el0t_64_sync+0x1a0/0x1a4 [ 225.736481][ T5662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.741391][ T5662] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.023207][ T5664] loop1: detected capacity change from 0 to 32768 [ 226.070837][ T5664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.073050][ T5664] CPU: 1 PID: 5664 Comm: syz.1.288 Not tainted 5.15.184-syzkaller #0 [ 226.075279][ T5664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 226.078040][ T5664] Call trace: [ 226.078905][ T5664] dump_backtrace+0x0/0x43c [ 226.080200][ T5664] show_stack+0x2c/0x3c [ 226.081341][ T5664] __dump_stack+0x30/0x40 [ 226.082534][ T5664] dump_stack_lvl+0xf8/0x160 [ 226.083857][ T5664] dump_stack+0x1c/0x5c [ 226.085012][ T5664] sysfs_create_dir_ns+0x22c/0x24c [ 226.086450][ T5664] kobject_add_internal+0x590/0xc54 [ 226.087866][ T5664] kobject_init_and_add+0x118/0x17c [ 226.089285][ T5664] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.090617][ T5664] gfs2_fill_super+0xdac/0x19e0 [ 226.091940][ T5664] get_tree_bdev+0x358/0x544 [ 226.093201][ T5664] gfs2_get_tree+0x54/0x1b4 [ 226.094446][ T5664] vfs_get_tree+0x90/0x274 [ 226.095683][ T5664] do_new_mount+0x228/0x810 [ 226.096941][ T5664] path_mount+0x5b4/0x1000 [ 226.098167][ T5664] __arm64_sys_mount+0x514/0x5e4 [ 226.099608][ T5664] invoke_syscall+0x98/0x2b8 [ 226.100840][ T5664] el0_svc_common+0x138/0x258 [ 226.102117][ T5664] do_el0_svc+0x58/0x14c [ 226.103327][ T5664] el0_svc+0x78/0x1e0 [ 226.104408][ T5664] el0t_64_sync_handler+0xcc/0xe4 [ 226.105828][ T5664] el0t_64_sync+0x1a0/0x1a4 [ 226.108356][ T5664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.113273][ T5664] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:46 executed programs: 275 [ 226.426569][ T5666] loop1: detected capacity change from 0 to 32768 [ 226.490097][ T5666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.492305][ T5666] CPU: 0 PID: 5666 Comm: syz.1.289 Not tainted 5.15.184-syzkaller #0 [ 226.494512][ T5666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 226.497373][ T5666] Call trace: [ 226.498296][ T5666] dump_backtrace+0x0/0x43c [ 226.499579][ T5666] show_stack+0x2c/0x3c [ 226.500748][ T5666] __dump_stack+0x30/0x40 [ 226.501923][ T5666] dump_stack_lvl+0xf8/0x160 [ 226.503199][ T5666] dump_stack+0x1c/0x5c [ 226.504383][ T5666] sysfs_create_dir_ns+0x22c/0x24c [ 226.505793][ T5666] kobject_add_internal+0x590/0xc54 [ 226.507221][ T5666] kobject_init_and_add+0x118/0x17c [ 226.508645][ T5666] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.509946][ T5666] gfs2_fill_super+0xdac/0x19e0 [ 226.511304][ T5666] get_tree_bdev+0x358/0x544 [ 226.512599][ T5666] gfs2_get_tree+0x54/0x1b4 [ 226.513832][ T5666] vfs_get_tree+0x90/0x274 [ 226.515016][ T5666] do_new_mount+0x228/0x810 [ 226.516262][ T5666] path_mount+0x5b4/0x1000 [ 226.517446][ T5666] __arm64_sys_mount+0x514/0x5e4 [ 226.518806][ T5666] invoke_syscall+0x98/0x2b8 [ 226.520057][ T5666] el0_svc_common+0x138/0x258 [ 226.521412][ T5666] do_el0_svc+0x58/0x14c [ 226.522576][ T5666] el0_svc+0x78/0x1e0 [ 226.523701][ T5666] el0t_64_sync_handler+0xcc/0xe4 [ 226.525108][ T5666] el0t_64_sync+0x1a0/0x1a4 [ 226.528652][ T5666] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.532866][ T5666] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.805977][ T5668] loop1: detected capacity change from 0 to 32768 [ 226.860619][ T5668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.862699][ T5668] CPU: 1 PID: 5668 Comm: syz.1.290 Not tainted 5.15.184-syzkaller #0 [ 226.864969][ T5668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 226.867802][ T5668] Call trace: [ 226.868773][ T5668] dump_backtrace+0x0/0x43c [ 226.869976][ T5668] show_stack+0x2c/0x3c [ 226.871157][ T5668] __dump_stack+0x30/0x40 [ 226.872388][ T5668] dump_stack_lvl+0xf8/0x160 [ 226.873713][ T5668] dump_stack+0x1c/0x5c [ 226.874925][ T5668] sysfs_create_dir_ns+0x22c/0x24c [ 226.876320][ T5668] kobject_add_internal+0x590/0xc54 [ 226.877775][ T5668] kobject_init_and_add+0x118/0x17c [ 226.879311][ T5668] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.880696][ T5668] gfs2_fill_super+0xdac/0x19e0 [ 226.882021][ T5668] get_tree_bdev+0x358/0x544 [ 226.883293][ T5668] gfs2_get_tree+0x54/0x1b4 [ 226.884507][ T5668] vfs_get_tree+0x90/0x274 [ 226.885721][ T5668] do_new_mount+0x228/0x810 [ 226.886955][ T5668] path_mount+0x5b4/0x1000 [ 226.888142][ T5668] __arm64_sys_mount+0x514/0x5e4 [ 226.889587][ T5668] invoke_syscall+0x98/0x2b8 [ 226.890862][ T5668] el0_svc_common+0x138/0x258 [ 226.892172][ T5668] do_el0_svc+0x58/0x14c [ 226.893354][ T5668] el0_svc+0x78/0x1e0 [ 226.894525][ T5668] el0t_64_sync_handler+0xcc/0xe4 [ 226.895951][ T5668] el0t_64_sync+0x1a0/0x1a4 [ 226.898388][ T5668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.902696][ T5668] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.175381][ T5670] loop1: detected capacity change from 0 to 32768 [ 227.227835][ T5670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.230021][ T5670] CPU: 0 PID: 5670 Comm: syz.1.291 Not tainted 5.15.184-syzkaller #0 [ 227.232317][ T5670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 227.235126][ T5670] Call trace: [ 227.236085][ T5670] dump_backtrace+0x0/0x43c [ 227.237366][ T5670] show_stack+0x2c/0x3c [ 227.238532][ T5670] __dump_stack+0x30/0x40 [ 227.239750][ T5670] dump_stack_lvl+0xf8/0x160 [ 227.241015][ T5670] dump_stack+0x1c/0x5c [ 227.242100][ T5670] sysfs_create_dir_ns+0x22c/0x24c [ 227.243481][ T5670] kobject_add_internal+0x590/0xc54 [ 227.244939][ T5670] kobject_init_and_add+0x118/0x17c [ 227.246360][ T5670] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.247731][ T5670] gfs2_fill_super+0xdac/0x19e0 [ 227.249044][ T5670] get_tree_bdev+0x358/0x544 [ 227.250370][ T5670] gfs2_get_tree+0x54/0x1b4 [ 227.251654][ T5670] vfs_get_tree+0x90/0x274 [ 227.252875][ T5670] do_new_mount+0x228/0x810 [ 227.254223][ T5670] path_mount+0x5b4/0x1000 [ 227.255469][ T5670] __arm64_sys_mount+0x514/0x5e4 [ 227.256842][ T5670] invoke_syscall+0x98/0x2b8 [ 227.258099][ T5670] el0_svc_common+0x138/0x258 [ 227.259394][ T5670] do_el0_svc+0x58/0x14c [ 227.260560][ T5670] el0_svc+0x78/0x1e0 [ 227.261646][ T5670] el0t_64_sync_handler+0xcc/0xe4 [ 227.263001][ T5670] el0t_64_sync+0x1a0/0x1a4 [ 227.266467][ T5670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.270138][ T5670] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.538637][ T5672] loop1: detected capacity change from 0 to 32768 [ 227.594548][ T5672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.596704][ T5672] CPU: 0 PID: 5672 Comm: syz.1.292 Not tainted 5.15.184-syzkaller #0 [ 227.598989][ T5672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 227.601858][ T5672] Call trace: [ 227.602833][ T5672] dump_backtrace+0x0/0x43c [ 227.604105][ T5672] show_stack+0x2c/0x3c [ 227.605263][ T5672] __dump_stack+0x30/0x40 [ 227.606551][ T5672] dump_stack_lvl+0xf8/0x160 [ 227.607820][ T5672] dump_stack+0x1c/0x5c [ 227.608957][ T5672] sysfs_create_dir_ns+0x22c/0x24c [ 227.610374][ T5672] kobject_add_internal+0x590/0xc54 [ 227.611831][ T5672] kobject_init_and_add+0x118/0x17c [ 227.613250][ T5672] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.614597][ T5672] gfs2_fill_super+0xdac/0x19e0 [ 227.615926][ T5672] get_tree_bdev+0x358/0x544 [ 227.617233][ T5672] gfs2_get_tree+0x54/0x1b4 [ 227.618459][ T5672] vfs_get_tree+0x90/0x274 [ 227.619704][ T5672] do_new_mount+0x228/0x810 [ 227.620934][ T5672] path_mount+0x5b4/0x1000 [ 227.622180][ T5672] __arm64_sys_mount+0x514/0x5e4 [ 227.623581][ T5672] invoke_syscall+0x98/0x2b8 [ 227.624855][ T5672] el0_svc_common+0x138/0x258 [ 227.626179][ T5672] do_el0_svc+0x58/0x14c [ 227.627429][ T5672] el0_svc+0x78/0x1e0 [ 227.628559][ T5672] el0t_64_sync_handler+0xcc/0xe4 [ 227.629978][ T5672] el0t_64_sync+0x1a0/0x1a4 [ 227.634300][ T5672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.637913][ T5672] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.908111][ T5674] loop1: detected capacity change from 0 to 32768 [ 227.960500][ T5674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.962663][ T5674] CPU: 0 PID: 5674 Comm: syz.1.293 Not tainted 5.15.184-syzkaller #0 [ 227.964914][ T5674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 227.967640][ T5674] Call trace: [ 227.968527][ T5674] dump_backtrace+0x0/0x43c [ 227.969791][ T5674] show_stack+0x2c/0x3c [ 227.970965][ T5674] __dump_stack+0x30/0x40 [ 227.972133][ T5674] dump_stack_lvl+0xf8/0x160 [ 227.973422][ T5674] dump_stack+0x1c/0x5c [ 227.974598][ T5674] sysfs_create_dir_ns+0x22c/0x24c [ 227.976007][ T5674] kobject_add_internal+0x590/0xc54 [ 227.977515][ T5674] kobject_init_and_add+0x118/0x17c [ 227.978963][ T5674] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.980332][ T5674] gfs2_fill_super+0xdac/0x19e0 [ 227.981791][ T5674] get_tree_bdev+0x358/0x544 [ 227.983084][ T5674] gfs2_get_tree+0x54/0x1b4 [ 227.984367][ T5674] vfs_get_tree+0x90/0x274 [ 227.985676][ T5674] do_new_mount+0x228/0x810 [ 227.986916][ T5674] path_mount+0x5b4/0x1000 [ 227.988156][ T5674] __arm64_sys_mount+0x514/0x5e4 [ 227.989586][ T5674] invoke_syscall+0x98/0x2b8 [ 227.990846][ T5674] el0_svc_common+0x138/0x258 [ 227.992218][ T5674] do_el0_svc+0x58/0x14c [ 227.993396][ T5674] el0_svc+0x78/0x1e0 [ 227.994487][ T5674] el0t_64_sync_handler+0xcc/0xe4 [ 227.995874][ T5674] el0t_64_sync+0x1a0/0x1a4 [ 227.998034][ T5674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.002347][ T5674] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.333517][ T5676] loop1: detected capacity change from 0 to 32768 [ 228.373727][ T5676] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.376364][ T5676] CPU: 0 PID: 5676 Comm: syz.1.294 Not tainted 5.15.184-syzkaller #0 [ 228.378576][ T5676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 228.381424][ T5676] Call trace: [ 228.382387][ T5676] dump_backtrace+0x0/0x43c [ 228.383677][ T5676] show_stack+0x2c/0x3c [ 228.384871][ T5676] __dump_stack+0x30/0x40 [ 228.386107][ T5676] dump_stack_lvl+0xf8/0x160 [ 228.387389][ T5676] dump_stack+0x1c/0x5c [ 228.388556][ T5676] sysfs_create_dir_ns+0x22c/0x24c [ 228.389973][ T5676] kobject_add_internal+0x590/0xc54 [ 228.391390][ T5676] kobject_init_and_add+0x118/0x17c [ 228.392836][ T5676] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.394169][ T5676] gfs2_fill_super+0xdac/0x19e0 [ 228.395504][ T5676] get_tree_bdev+0x358/0x544 [ 228.396765][ T5676] gfs2_get_tree+0x54/0x1b4 [ 228.398002][ T5676] vfs_get_tree+0x90/0x274 [ 228.399271][ T5676] do_new_mount+0x228/0x810 [ 228.400522][ T5676] path_mount+0x5b4/0x1000 [ 228.401777][ T5676] __arm64_sys_mount+0x514/0x5e4 [ 228.403132][ T5676] invoke_syscall+0x98/0x2b8 [ 228.404442][ T5676] el0_svc_common+0x138/0x258 [ 228.405731][ T5676] do_el0_svc+0x58/0x14c [ 228.406898][ T5676] el0_svc+0x78/0x1e0 [ 228.407984][ T5676] el0t_64_sync_handler+0xcc/0xe4 [ 228.409398][ T5676] el0t_64_sync+0x1a0/0x1a4 [ 228.413033][ T5676] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.416584][ T5676] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.681791][ T5678] loop1: detected capacity change from 0 to 32768 [ 228.748847][ T5678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.752527][ T5678] CPU: 1 PID: 5678 Comm: syz.1.295 Not tainted 5.15.184-syzkaller #0 [ 228.754888][ T5678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 228.757653][ T5678] Call trace: [ 228.758565][ T5678] dump_backtrace+0x0/0x43c [ 228.759813][ T5678] show_stack+0x2c/0x3c [ 228.760943][ T5678] __dump_stack+0x30/0x40 [ 228.762174][ T5678] dump_stack_lvl+0xf8/0x160 [ 228.763510][ T5678] dump_stack+0x1c/0x5c [ 228.764760][ T5678] sysfs_create_dir_ns+0x22c/0x24c [ 228.766181][ T5678] kobject_add_internal+0x590/0xc54 [ 228.767649][ T5678] kobject_init_and_add+0x118/0x17c [ 228.769123][ T5678] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.770559][ T5678] gfs2_fill_super+0xdac/0x19e0 [ 228.771893][ T5678] get_tree_bdev+0x358/0x544 [ 228.773211][ T5678] gfs2_get_tree+0x54/0x1b4 [ 228.774453][ T5678] vfs_get_tree+0x90/0x274 [ 228.775722][ T5678] do_new_mount+0x228/0x810 [ 228.777019][ T5678] path_mount+0x5b4/0x1000 [ 228.778240][ T5678] __arm64_sys_mount+0x514/0x5e4 [ 228.779721][ T5678] invoke_syscall+0x98/0x2b8 [ 228.780993][ T5678] el0_svc_common+0x138/0x258 [ 228.782323][ T5678] do_el0_svc+0x58/0x14c [ 228.783524][ T5678] el0_svc+0x78/0x1e0 [ 228.784718][ T5678] el0t_64_sync_handler+0xcc/0xe4 [ 228.786140][ T5678] el0t_64_sync+0x1a0/0x1a4 [ 228.791509][ T5678] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.795097][ T5678] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.068448][ T5680] loop1: detected capacity change from 0 to 32768 [ 229.081547][ T5680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.083653][ T5680] CPU: 1 PID: 5680 Comm: syz.1.296 Not tainted 5.15.184-syzkaller #0 [ 229.085886][ T5680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 229.088592][ T5680] Call trace: [ 229.089516][ T5680] dump_backtrace+0x0/0x43c [ 229.090728][ T5680] show_stack+0x2c/0x3c [ 229.091839][ T5680] __dump_stack+0x30/0x40 [ 229.092993][ T5680] dump_stack_lvl+0xf8/0x160 [ 229.094225][ T5680] dump_stack+0x1c/0x5c [ 229.095374][ T5680] sysfs_create_dir_ns+0x22c/0x24c [ 229.096755][ T5680] kobject_add_internal+0x590/0xc54 [ 229.098269][ T5680] kobject_init_and_add+0x118/0x17c [ 229.099684][ T5680] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.101087][ T5680] gfs2_fill_super+0xdac/0x19e0 [ 229.102419][ T5680] get_tree_bdev+0x358/0x544 [ 229.103758][ T5680] gfs2_get_tree+0x54/0x1b4 [ 229.105046][ T5680] vfs_get_tree+0x90/0x274 [ 229.106329][ T5680] do_new_mount+0x228/0x810 [ 229.107629][ T5680] path_mount+0x5b4/0x1000 [ 229.108856][ T5680] __arm64_sys_mount+0x514/0x5e4 [ 229.110271][ T5680] invoke_syscall+0x98/0x2b8 [ 229.111596][ T5680] el0_svc_common+0x138/0x258 [ 229.112907][ T5680] do_el0_svc+0x58/0x14c [ 229.114191][ T5680] el0_svc+0x78/0x1e0 [ 229.115305][ T5680] el0t_64_sync_handler+0xcc/0xe4 [ 229.116695][ T5680] el0t_64_sync+0x1a0/0x1a4 [ 229.121765][ T5680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.125465][ T5680] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.403912][ T5682] loop1: detected capacity change from 0 to 32768 [ 229.469507][ T5682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.471704][ T5682] CPU: 0 PID: 5682 Comm: syz.1.297 Not tainted 5.15.184-syzkaller #0 [ 229.473926][ T5682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 229.476638][ T5682] Call trace: [ 229.477526][ T5682] dump_backtrace+0x0/0x43c [ 229.478769][ T5682] show_stack+0x2c/0x3c [ 229.479920][ T5682] __dump_stack+0x30/0x40 [ 229.481143][ T5682] dump_stack_lvl+0xf8/0x160 [ 229.482565][ T5682] dump_stack+0x1c/0x5c [ 229.483714][ T5682] sysfs_create_dir_ns+0x22c/0x24c [ 229.485098][ T5682] kobject_add_internal+0x590/0xc54 [ 229.486452][ T5682] kobject_init_and_add+0x118/0x17c [ 229.487889][ T5682] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.489188][ T5682] gfs2_fill_super+0xdac/0x19e0 [ 229.490524][ T5682] get_tree_bdev+0x358/0x544 [ 229.491859][ T5682] gfs2_get_tree+0x54/0x1b4 [ 229.493123][ T5682] vfs_get_tree+0x90/0x274 [ 229.494433][ T5682] do_new_mount+0x228/0x810 [ 229.495626][ T5682] path_mount+0x5b4/0x1000 [ 229.496845][ T5682] __arm64_sys_mount+0x514/0x5e4 [ 229.498173][ T5682] invoke_syscall+0x98/0x2b8 [ 229.499507][ T5682] el0_svc_common+0x138/0x258 [ 229.500801][ T5682] do_el0_svc+0x58/0x14c [ 229.501986][ T5682] el0_svc+0x78/0x1e0 [ 229.503043][ T5682] el0t_64_sync_handler+0xcc/0xe4 [ 229.504385][ T5682] el0t_64_sync+0x1a0/0x1a4 [ 229.507919][ T5682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.511649][ T5682] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.804114][ T5684] loop1: detected capacity change from 0 to 32768 [ 229.913864][ T5684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.915918][ T5684] CPU: 1 PID: 5684 Comm: syz.1.298 Not tainted 5.15.184-syzkaller #0 [ 229.918078][ T5684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 229.920892][ T5684] Call trace: [ 229.921792][ T5684] dump_backtrace+0x0/0x43c [ 229.923000][ T5684] show_stack+0x2c/0x3c [ 229.924255][ T5684] __dump_stack+0x30/0x40 [ 229.925467][ T5684] dump_stack_lvl+0xf8/0x160 [ 229.926753][ T5684] dump_stack+0x1c/0x5c [ 229.927901][ T5684] sysfs_create_dir_ns+0x22c/0x24c [ 229.929367][ T5684] kobject_add_internal+0x590/0xc54 [ 229.930827][ T5684] kobject_init_and_add+0x118/0x17c [ 229.932250][ T5684] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.933524][ T5684] gfs2_fill_super+0xdac/0x19e0 [ 229.934863][ T5684] get_tree_bdev+0x358/0x544 [ 229.936176][ T5684] gfs2_get_tree+0x54/0x1b4 [ 229.937423][ T5684] vfs_get_tree+0x90/0x274 [ 229.938694][ T5684] do_new_mount+0x228/0x810 [ 229.939957][ T5684] path_mount+0x5b4/0x1000 [ 229.941220][ T5684] __arm64_sys_mount+0x514/0x5e4 [ 229.942592][ T5684] invoke_syscall+0x98/0x2b8 [ 229.943849][ T5684] el0_svc_common+0x138/0x258 [ 229.945194][ T5684] do_el0_svc+0x58/0x14c [ 229.946381][ T5684] el0_svc+0x78/0x1e0 [ 229.947465][ T5684] el0t_64_sync_handler+0xcc/0xe4 [ 229.948853][ T5684] el0t_64_sync+0x1a0/0x1a4 [ 229.950381][ T5684] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.954025][ T5684] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.227924][ T5686] loop1: detected capacity change from 0 to 32768 [ 230.279861][ T5686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.282030][ T5686] CPU: 1 PID: 5686 Comm: syz.1.299 Not tainted 5.15.184-syzkaller #0 [ 230.284284][ T5686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 230.287149][ T5686] Call trace: [ 230.288151][ T5686] dump_backtrace+0x0/0x43c [ 230.289410][ T5686] show_stack+0x2c/0x3c [ 230.290570][ T5686] __dump_stack+0x30/0x40 [ 230.291756][ T5686] dump_stack_lvl+0xf8/0x160 [ 230.293037][ T5686] dump_stack+0x1c/0x5c [ 230.294239][ T5686] sysfs_create_dir_ns+0x22c/0x24c [ 230.295662][ T5686] kobject_add_internal+0x590/0xc54 [ 230.297179][ T5686] kobject_init_and_add+0x118/0x17c [ 230.298635][ T5686] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.299953][ T5686] gfs2_fill_super+0xdac/0x19e0 [ 230.301390][ T5686] get_tree_bdev+0x358/0x544 [ 230.302746][ T5686] gfs2_get_tree+0x54/0x1b4 [ 230.303995][ T5686] vfs_get_tree+0x90/0x274 [ 230.305270][ T5686] do_new_mount+0x228/0x810 [ 230.306544][ T5686] path_mount+0x5b4/0x1000 [ 230.307732][ T5686] __arm64_sys_mount+0x514/0x5e4 [ 230.309043][ T5686] invoke_syscall+0x98/0x2b8 [ 230.310342][ T5686] el0_svc_common+0x138/0x258 [ 230.311715][ T5686] do_el0_svc+0x58/0x14c [ 230.312926][ T5686] el0_svc+0x78/0x1e0 [ 230.314053][ T5686] el0t_64_sync_handler+0xcc/0xe4 [ 230.315455][ T5686] el0t_64_sync+0x1a0/0x1a4 [ 230.318882][ T5686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.322676][ T5686] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.640360][ T5688] loop1: detected capacity change from 0 to 32768 [ 230.693265][ T5688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.695314][ T5688] CPU: 0 PID: 5688 Comm: syz.1.300 Not tainted 5.15.184-syzkaller #0 [ 230.697477][ T5688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 230.700233][ T5688] Call trace: [ 230.701145][ T5688] dump_backtrace+0x0/0x43c [ 230.702392][ T5688] show_stack+0x2c/0x3c [ 230.703557][ T5688] __dump_stack+0x30/0x40 [ 230.704741][ T5688] dump_stack_lvl+0xf8/0x160 [ 230.706035][ T5688] dump_stack+0x1c/0x5c [ 230.707244][ T5688] sysfs_create_dir_ns+0x22c/0x24c [ 230.708644][ T5688] kobject_add_internal+0x590/0xc54 [ 230.710085][ T5688] kobject_init_and_add+0x118/0x17c [ 230.711539][ T5688] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.712846][ T5688] gfs2_fill_super+0xdac/0x19e0 [ 230.714220][ T5688] get_tree_bdev+0x358/0x544 [ 230.715497][ T5688] gfs2_get_tree+0x54/0x1b4 [ 230.716719][ T5688] vfs_get_tree+0x90/0x274 [ 230.717933][ T5688] do_new_mount+0x228/0x810 [ 230.719173][ T5688] path_mount+0x5b4/0x1000 [ 230.720419][ T5688] __arm64_sys_mount+0x514/0x5e4 [ 230.721761][ T5688] invoke_syscall+0x98/0x2b8 [ 230.723007][ T5688] el0_svc_common+0x138/0x258 [ 230.724303][ T5688] do_el0_svc+0x58/0x14c [ 230.725487][ T5688] el0_svc+0x78/0x1e0 [ 230.726545][ T5688] el0t_64_sync_handler+0xcc/0xe4 [ 230.727932][ T5688] el0t_64_sync+0x1a0/0x1a4 [ 230.731386][ T5688] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.734997][ T5688] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.024198][ T5690] loop1: detected capacity change from 0 to 32768 [ 231.073924][ T5690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.075996][ T5690] CPU: 1 PID: 5690 Comm: syz.1.301 Not tainted 5.15.184-syzkaller #0 [ 231.078275][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 231.081095][ T5690] Call trace: [ 231.082016][ T5690] dump_backtrace+0x0/0x43c [ 231.083279][ T5690] show_stack+0x2c/0x3c [ 231.084414][ T5690] __dump_stack+0x30/0x40 [ 231.085627][ T5690] dump_stack_lvl+0xf8/0x160 [ 231.086894][ T5690] dump_stack+0x1c/0x5c [ 231.088041][ T5690] sysfs_create_dir_ns+0x22c/0x24c [ 231.089473][ T5690] kobject_add_internal+0x590/0xc54 [ 231.090893][ T5690] kobject_init_and_add+0x118/0x17c [ 231.092385][ T5690] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.093679][ T5690] gfs2_fill_super+0xdac/0x19e0 [ 231.095023][ T5690] get_tree_bdev+0x358/0x544 [ 231.096358][ T5690] gfs2_get_tree+0x54/0x1b4 [ 231.097567][ T5690] vfs_get_tree+0x90/0x274 [ 231.098760][ T5690] do_new_mount+0x228/0x810 [ 231.100008][ T5690] path_mount+0x5b4/0x1000 [ 231.101292][ T5690] __arm64_sys_mount+0x514/0x5e4 [ 231.102777][ T5690] invoke_syscall+0x98/0x2b8 [ 231.104107][ T5690] el0_svc_common+0x138/0x258 [ 231.105386][ T5690] do_el0_svc+0x58/0x14c [ 231.106511][ T5690] el0_svc+0x78/0x1e0 [ 231.107617][ T5690] el0t_64_sync_handler+0xcc/0xe4 [ 231.108953][ T5690] el0t_64_sync+0x1a0/0x1a4 [ 231.117737][ T5690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.121579][ T5690] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.389943][ T5692] loop1: detected capacity change from 0 to 32768 [ 231.451688][ T5692] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.453911][ T5692] CPU: 0 PID: 5692 Comm: syz.1.302 Not tainted 5.15.184-syzkaller #0 [ 231.456222][ T5692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 231.458999][ T5692] Call trace: [ 231.459884][ T5692] dump_backtrace+0x0/0x43c [ 231.461168][ T5692] show_stack+0x2c/0x3c [ 231.462299][ T5692] __dump_stack+0x30/0x40 [ 231.463487][ T5692] dump_stack_lvl+0xf8/0x160 [ 231.464782][ T5692] dump_stack+0x1c/0x5c [ 231.465937][ T5692] sysfs_create_dir_ns+0x22c/0x24c [ 231.467354][ T5692] kobject_add_internal+0x590/0xc54 [ 231.468776][ T5692] kobject_init_and_add+0x118/0x17c [ 231.470252][ T5692] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.471583][ T5692] gfs2_fill_super+0xdac/0x19e0 [ 231.472913][ T5692] get_tree_bdev+0x358/0x544 [ 231.474207][ T5692] gfs2_get_tree+0x54/0x1b4 [ 231.475542][ T5692] vfs_get_tree+0x90/0x274 [ 231.476769][ T5692] do_new_mount+0x228/0x810 [ 231.478013][ T5692] path_mount+0x5b4/0x1000 [ 231.479237][ T5692] __arm64_sys_mount+0x514/0x5e4 [ 231.480659][ T5692] invoke_syscall+0x98/0x2b8 [ 231.481906][ T5692] el0_svc_common+0x138/0x258 [ 231.483395][ T5692] do_el0_svc+0x58/0x14c [ 231.484613][ T5692] el0_svc+0x78/0x1e0 [ 231.485740][ T5692] el0t_64_sync_handler+0xcc/0xe4 [ 231.487193][ T5692] el0t_64_sync+0x1a0/0x1a4 [ 231.489001][ T5692] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.493203][ T5692] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:51 executed programs: 289 [ 231.764431][ T5694] loop1: detected capacity change from 0 to 32768 [ 231.826621][ T5694] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.828812][ T5694] CPU: 1 PID: 5694 Comm: syz.1.303 Not tainted 5.15.184-syzkaller #0 [ 231.831198][ T5694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 231.834138][ T5694] Call trace: [ 231.835090][ T5694] dump_backtrace+0x0/0x43c [ 231.836413][ T5694] show_stack+0x2c/0x3c [ 231.837621][ T5694] __dump_stack+0x30/0x40 [ 231.838877][ T5694] dump_stack_lvl+0xf8/0x160 [ 231.840227][ T5694] dump_stack+0x1c/0x5c [ 231.841403][ T5694] sysfs_create_dir_ns+0x22c/0x24c [ 231.842922][ T5694] kobject_add_internal+0x590/0xc54 [ 231.844515][ T5694] kobject_init_and_add+0x118/0x17c [ 231.846013][ T5694] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.847419][ T5694] gfs2_fill_super+0xdac/0x19e0 [ 231.848799][ T5694] get_tree_bdev+0x358/0x544 [ 231.850114][ T5694] gfs2_get_tree+0x54/0x1b4 [ 231.851414][ T5694] vfs_get_tree+0x90/0x274 [ 231.852690][ T5694] do_new_mount+0x228/0x810 [ 231.853969][ T5694] path_mount+0x5b4/0x1000 [ 231.855205][ T5694] __arm64_sys_mount+0x514/0x5e4 [ 231.856552][ T5694] invoke_syscall+0x98/0x2b8 [ 231.857858][ T5694] el0_svc_common+0x138/0x258 [ 231.859212][ T5694] do_el0_svc+0x58/0x14c [ 231.860460][ T5694] el0_svc+0x78/0x1e0 [ 231.861610][ T5694] el0t_64_sync_handler+0xcc/0xe4 [ 231.863007][ T5694] el0t_64_sync+0x1a0/0x1a4 [ 231.869184][ T5694] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.872829][ T5694] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.138732][ T5696] loop1: detected capacity change from 0 to 32768 [ 232.184479][ T5696] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.186589][ T5696] CPU: 0 PID: 5696 Comm: syz.1.304 Not tainted 5.15.184-syzkaller #0 [ 232.188841][ T5696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.191606][ T5696] Call trace: [ 232.192587][ T5696] dump_backtrace+0x0/0x43c [ 232.193867][ T5696] show_stack+0x2c/0x3c [ 232.195078][ T5696] __dump_stack+0x30/0x40 [ 232.196245][ T5696] dump_stack_lvl+0xf8/0x160 [ 232.197534][ T5696] dump_stack+0x1c/0x5c [ 232.198627][ T5696] sysfs_create_dir_ns+0x22c/0x24c [ 232.200068][ T5696] kobject_add_internal+0x590/0xc54 [ 232.201502][ T5696] kobject_init_and_add+0x118/0x17c [ 232.202936][ T5696] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.204659][ T5696] gfs2_fill_super+0xdac/0x19e0 [ 232.206003][ T5696] get_tree_bdev+0x358/0x544 [ 232.207345][ T5696] gfs2_get_tree+0x54/0x1b4 [ 232.208639][ T5696] vfs_get_tree+0x90/0x274 [ 232.209933][ T5696] do_new_mount+0x228/0x810 [ 232.211292][ T5696] path_mount+0x5b4/0x1000 [ 232.212490][ T5696] __arm64_sys_mount+0x514/0x5e4 [ 232.213855][ T5696] invoke_syscall+0x98/0x2b8 [ 232.215216][ T5696] el0_svc_common+0x138/0x258 [ 232.216538][ T5696] do_el0_svc+0x58/0x14c [ 232.217781][ T5696] el0_svc+0x78/0x1e0 [ 232.218910][ T5696] el0t_64_sync_handler+0xcc/0xe4 [ 232.220399][ T5696] el0t_64_sync+0x1a0/0x1a4 [ 232.223755][ T5696] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.227437][ T5696] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.503512][ T5698] loop1: detected capacity change from 0 to 32768 [ 232.574913][ T5698] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.579034][ T5698] CPU: 1 PID: 5698 Comm: syz.1.305 Not tainted 5.15.184-syzkaller #0 [ 232.581318][ T5698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.584325][ T5698] Call trace: [ 232.585283][ T5698] dump_backtrace+0x0/0x43c [ 232.586632][ T5698] show_stack+0x2c/0x3c [ 232.587842][ T5698] __dump_stack+0x30/0x40 [ 232.589151][ T5698] dump_stack_lvl+0xf8/0x160 [ 232.590524][ T5698] dump_stack+0x1c/0x5c [ 232.591642][ T5698] sysfs_create_dir_ns+0x22c/0x24c [ 232.593009][ T5698] kobject_add_internal+0x590/0xc54 [ 232.594537][ T5698] kobject_init_and_add+0x118/0x17c [ 232.595923][ T5698] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.597346][ T5698] gfs2_fill_super+0xdac/0x19e0 [ 232.598754][ T5698] get_tree_bdev+0x358/0x544 [ 232.600120][ T5698] gfs2_get_tree+0x54/0x1b4 [ 232.601449][ T5698] vfs_get_tree+0x90/0x274 [ 232.602701][ T5698] do_new_mount+0x228/0x810 [ 232.603979][ T5698] path_mount+0x5b4/0x1000 [ 232.605417][ T5698] __arm64_sys_mount+0x514/0x5e4 [ 232.606820][ T5698] invoke_syscall+0x98/0x2b8 [ 232.608136][ T5698] el0_svc_common+0x138/0x258 [ 232.609445][ T5698] do_el0_svc+0x58/0x14c [ 232.610640][ T5698] el0_svc+0x78/0x1e0 [ 232.611808][ T5698] el0t_64_sync_handler+0xcc/0xe4 [ 232.613226][ T5698] el0t_64_sync+0x1a0/0x1a4 [ 232.621833][ T5698] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.625654][ T5698] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.900165][ T5700] loop1: detected capacity change from 0 to 32768 [ 232.953768][ T5700] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.955927][ T5700] CPU: 1 PID: 5700 Comm: syz.1.306 Not tainted 5.15.184-syzkaller #0 [ 232.958110][ T5700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.960955][ T5700] Call trace: [ 232.961885][ T5700] dump_backtrace+0x0/0x43c [ 232.963114][ T5700] show_stack+0x2c/0x3c [ 232.964283][ T5700] __dump_stack+0x30/0x40 [ 232.965504][ T5700] dump_stack_lvl+0xf8/0x160 [ 232.966749][ T5700] dump_stack+0x1c/0x5c [ 232.967892][ T5700] sysfs_create_dir_ns+0x22c/0x24c [ 232.969360][ T5700] kobject_add_internal+0x590/0xc54 [ 232.970766][ T5700] kobject_init_and_add+0x118/0x17c [ 232.972221][ T5700] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.973550][ T5700] gfs2_fill_super+0xdac/0x19e0 [ 232.974863][ T5700] get_tree_bdev+0x358/0x544 [ 232.976143][ T5700] gfs2_get_tree+0x54/0x1b4 [ 232.977370][ T5700] vfs_get_tree+0x90/0x274 [ 232.978594][ T5700] do_new_mount+0x228/0x810 [ 232.979784][ T5700] path_mount+0x5b4/0x1000 [ 232.981019][ T5700] __arm64_sys_mount+0x514/0x5e4 [ 232.982443][ T5700] invoke_syscall+0x98/0x2b8 [ 232.983661][ T5700] el0_svc_common+0x138/0x258 [ 232.984954][ T5700] do_el0_svc+0x58/0x14c [ 232.986116][ T5700] el0_svc+0x78/0x1e0 [ 232.987255][ T5700] el0t_64_sync_handler+0xcc/0xe4 [ 232.988613][ T5700] el0t_64_sync+0x1a0/0x1a4 [ 232.996624][ T5700] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.001532][ T5700] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.306378][ T5702] loop1: detected capacity change from 0 to 32768 [ 233.360950][ T5702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.363138][ T5702] CPU: 1 PID: 5702 Comm: syz.1.307 Not tainted 5.15.184-syzkaller #0 [ 233.365355][ T5702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 233.368101][ T5702] Call trace: [ 233.369013][ T5702] dump_backtrace+0x0/0x43c [ 233.370320][ T5702] show_stack+0x2c/0x3c [ 233.371487][ T5702] __dump_stack+0x30/0x40 [ 233.372696][ T5702] dump_stack_lvl+0xf8/0x160 [ 233.373995][ T5702] dump_stack+0x1c/0x5c [ 233.375118][ T5702] sysfs_create_dir_ns+0x22c/0x24c [ 233.376537][ T5702] kobject_add_internal+0x590/0xc54 [ 233.377967][ T5702] kobject_init_and_add+0x118/0x17c [ 233.379365][ T5702] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.380701][ T5702] gfs2_fill_super+0xdac/0x19e0 [ 233.382085][ T5702] get_tree_bdev+0x358/0x544 [ 233.383381][ T5702] gfs2_get_tree+0x54/0x1b4 [ 233.384663][ T5702] vfs_get_tree+0x90/0x274 [ 233.385859][ T5702] do_new_mount+0x228/0x810 [ 233.387102][ T5702] path_mount+0x5b4/0x1000 [ 233.388341][ T5702] __arm64_sys_mount+0x514/0x5e4 [ 233.389782][ T5702] invoke_syscall+0x98/0x2b8 [ 233.391077][ T5702] el0_svc_common+0x138/0x258 [ 233.392377][ T5702] do_el0_svc+0x58/0x14c [ 233.393562][ T5702] el0_svc+0x78/0x1e0 [ 233.394678][ T5702] el0t_64_sync_handler+0xcc/0xe4 [ 233.396090][ T5702] el0t_64_sync+0x1a0/0x1a4 [ 233.403716][ T5702] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.407438][ T5702] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.683341][ T5704] loop1: detected capacity change from 0 to 32768 [ 233.741935][ T5704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.744067][ T5704] CPU: 1 PID: 5704 Comm: syz.1.308 Not tainted 5.15.184-syzkaller #0 [ 233.746254][ T5704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 233.749031][ T5704] Call trace: [ 233.749894][ T5704] dump_backtrace+0x0/0x43c [ 233.751179][ T5704] show_stack+0x2c/0x3c [ 233.752316][ T5704] __dump_stack+0x30/0x40 [ 233.753505][ T5704] dump_stack_lvl+0xf8/0x160 [ 233.754785][ T5704] dump_stack+0x1c/0x5c [ 233.756023][ T5704] sysfs_create_dir_ns+0x22c/0x24c [ 233.757513][ T5704] kobject_add_internal+0x590/0xc54 [ 233.758949][ T5704] kobject_init_and_add+0x118/0x17c [ 233.760425][ T5704] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.761772][ T5704] gfs2_fill_super+0xdac/0x19e0 [ 233.763151][ T5704] get_tree_bdev+0x358/0x544 [ 233.764403][ T5704] gfs2_get_tree+0x54/0x1b4 [ 233.765672][ T5704] vfs_get_tree+0x90/0x274 [ 233.766918][ T5704] do_new_mount+0x228/0x810 [ 233.768148][ T5704] path_mount+0x5b4/0x1000 [ 233.769427][ T5704] __arm64_sys_mount+0x514/0x5e4 [ 233.770851][ T5704] invoke_syscall+0x98/0x2b8 [ 233.772094][ T5704] el0_svc_common+0x138/0x258 [ 233.773444][ T5704] do_el0_svc+0x58/0x14c [ 233.774620][ T5704] el0_svc+0x78/0x1e0 [ 233.775739][ T5704] el0t_64_sync_handler+0xcc/0xe4 [ 233.777174][ T5704] el0t_64_sync+0x1a0/0x1a4 [ 233.780632][ T5704] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.784381][ T5704] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.061242][ T5706] loop1: detected capacity change from 0 to 32768 [ 234.116820][ T5706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.118900][ T5706] CPU: 1 PID: 5706 Comm: syz.1.309 Not tainted 5.15.184-syzkaller #0 [ 234.121145][ T5706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 234.124092][ T5706] Call trace: [ 234.124963][ T5706] dump_backtrace+0x0/0x43c [ 234.126198][ T5706] show_stack+0x2c/0x3c [ 234.127445][ T5706] __dump_stack+0x30/0x40 [ 234.128672][ T5706] dump_stack_lvl+0xf8/0x160 [ 234.129923][ T5706] dump_stack+0x1c/0x5c [ 234.131045][ T5706] sysfs_create_dir_ns+0x22c/0x24c [ 234.132471][ T5706] kobject_add_internal+0x590/0xc54 [ 234.133909][ T5706] kobject_init_and_add+0x118/0x17c [ 234.135359][ T5706] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.136637][ T5706] gfs2_fill_super+0xdac/0x19e0 [ 234.138050][ T5706] get_tree_bdev+0x358/0x544 [ 234.139396][ T5706] gfs2_get_tree+0x54/0x1b4 [ 234.140704][ T5706] vfs_get_tree+0x90/0x274 [ 234.141911][ T5706] do_new_mount+0x228/0x810 [ 234.143170][ T5706] path_mount+0x5b4/0x1000 [ 234.144423][ T5706] __arm64_sys_mount+0x514/0x5e4 [ 234.145771][ T5706] invoke_syscall+0x98/0x2b8 [ 234.147050][ T5706] el0_svc_common+0x138/0x258 [ 234.148313][ T5706] do_el0_svc+0x58/0x14c [ 234.149582][ T5706] el0_svc+0x78/0x1e0 [ 234.150684][ T5706] el0t_64_sync_handler+0xcc/0xe4 [ 234.152137][ T5706] el0t_64_sync+0x1a0/0x1a4 [ 234.156906][ T5706] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.160832][ T5706] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.461410][ T5708] loop1: detected capacity change from 0 to 32768 [ 234.504858][ T5708] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.507600][ T5708] CPU: 0 PID: 5708 Comm: syz.1.310 Not tainted 5.15.184-syzkaller #0 [ 234.509819][ T5708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 234.512692][ T5708] Call trace: [ 234.513629][ T5708] dump_backtrace+0x0/0x43c [ 234.514948][ T5708] show_stack+0x2c/0x3c [ 234.516097][ T5708] __dump_stack+0x30/0x40 [ 234.517313][ T5708] dump_stack_lvl+0xf8/0x160 [ 234.518579][ T5708] dump_stack+0x1c/0x5c [ 234.519777][ T5708] sysfs_create_dir_ns+0x22c/0x24c [ 234.521241][ T5708] kobject_add_internal+0x590/0xc54 [ 234.522657][ T5708] kobject_init_and_add+0x118/0x17c [ 234.524075][ T5708] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.525349][ T5708] gfs2_fill_super+0xdac/0x19e0 [ 234.526726][ T5708] get_tree_bdev+0x358/0x544 [ 234.527999][ T5708] gfs2_get_tree+0x54/0x1b4 [ 234.529299][ T5708] vfs_get_tree+0x90/0x274 [ 234.530511][ T5708] do_new_mount+0x228/0x810 [ 234.531804][ T5708] path_mount+0x5b4/0x1000 [ 234.533035][ T5708] __arm64_sys_mount+0x514/0x5e4 [ 234.534456][ T5708] invoke_syscall+0x98/0x2b8 [ 234.535750][ T5708] el0_svc_common+0x138/0x258 [ 234.537056][ T5708] do_el0_svc+0x58/0x14c [ 234.538273][ T5708] el0_svc+0x78/0x1e0 [ 234.539341][ T5708] el0t_64_sync_handler+0xcc/0xe4 [ 234.540696][ T5708] el0t_64_sync+0x1a0/0x1a4 [ 234.544024][ T5708] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.547629][ T5708] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.824817][ T5710] loop1: detected capacity change from 0 to 32768 [ 234.863123][ T5710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.865259][ T5710] CPU: 1 PID: 5710 Comm: syz.1.311 Not tainted 5.15.184-syzkaller #0 [ 234.867471][ T5710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 234.870289][ T5710] Call trace: [ 234.871215][ T5710] dump_backtrace+0x0/0x43c [ 234.872469][ T5710] show_stack+0x2c/0x3c [ 234.873628][ T5710] __dump_stack+0x30/0x40 [ 234.874853][ T5710] dump_stack_lvl+0xf8/0x160 [ 234.876124][ T5710] dump_stack+0x1c/0x5c [ 234.877294][ T5710] sysfs_create_dir_ns+0x22c/0x24c [ 234.878728][ T5710] kobject_add_internal+0x590/0xc54 [ 234.880190][ T5710] kobject_init_and_add+0x118/0x17c [ 234.881754][ T5710] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.883079][ T5710] gfs2_fill_super+0xdac/0x19e0 [ 234.884564][ T5710] get_tree_bdev+0x358/0x544 [ 234.885915][ T5710] gfs2_get_tree+0x54/0x1b4 [ 234.887212][ T5710] vfs_get_tree+0x90/0x274 [ 234.888514][ T5710] do_new_mount+0x228/0x810 [ 234.889812][ T5710] path_mount+0x5b4/0x1000 [ 234.891036][ T5710] __arm64_sys_mount+0x514/0x5e4 [ 234.892494][ T5710] invoke_syscall+0x98/0x2b8 [ 234.893839][ T5710] el0_svc_common+0x138/0x258 [ 234.895169][ T5710] do_el0_svc+0x58/0x14c [ 234.896381][ T5710] el0_svc+0x78/0x1e0 [ 234.897500][ T5710] el0t_64_sync_handler+0xcc/0xe4 [ 234.898944][ T5710] el0t_64_sync+0x1a0/0x1a4 [ 234.907661][ T5710] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.911701][ T5710] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.207262][ T5712] loop1: detected capacity change from 0 to 32768 [ 235.251151][ T5712] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.253890][ T5712] CPU: 0 PID: 5712 Comm: syz.1.312 Not tainted 5.15.184-syzkaller #0 [ 235.256215][ T5712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 235.259022][ T5712] Call trace: [ 235.259970][ T5712] dump_backtrace+0x0/0x43c [ 235.261278][ T5712] show_stack+0x2c/0x3c [ 235.262475][ T5712] __dump_stack+0x30/0x40 [ 235.263691][ T5712] dump_stack_lvl+0xf8/0x160 [ 235.265011][ T5712] dump_stack+0x1c/0x5c [ 235.266167][ T5712] sysfs_create_dir_ns+0x22c/0x24c [ 235.267591][ T5712] kobject_add_internal+0x590/0xc54 [ 235.269024][ T5712] kobject_init_and_add+0x118/0x17c [ 235.270492][ T5712] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.271894][ T5712] gfs2_fill_super+0xdac/0x19e0 [ 235.273298][ T5712] get_tree_bdev+0x358/0x544 [ 235.274590][ T5712] gfs2_get_tree+0x54/0x1b4 [ 235.275883][ T5712] vfs_get_tree+0x90/0x274 [ 235.277115][ T5712] do_new_mount+0x228/0x810 [ 235.278474][ T5712] path_mount+0x5b4/0x1000 [ 235.279709][ T5712] __arm64_sys_mount+0x514/0x5e4 [ 235.281152][ T5712] invoke_syscall+0x98/0x2b8 [ 235.282503][ T5712] el0_svc_common+0x138/0x258 [ 235.283790][ T5712] do_el0_svc+0x58/0x14c [ 235.284995][ T5712] el0_svc+0x78/0x1e0 [ 235.286104][ T5712] el0t_64_sync_handler+0xcc/0xe4 [ 235.287517][ T5712] el0t_64_sync+0x1a0/0x1a4 [ 235.290948][ T5712] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.294498][ T5712] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.569677][ T5714] loop1: detected capacity change from 0 to 32768 [ 235.628684][ T5714] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.631011][ T5714] CPU: 1 PID: 5714 Comm: syz.1.313 Not tainted 5.15.184-syzkaller #0 [ 235.633196][ T5714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 235.635916][ T5714] Call trace: [ 235.636831][ T5714] dump_backtrace+0x0/0x43c [ 235.638052][ T5714] show_stack+0x2c/0x3c [ 235.639252][ T5714] __dump_stack+0x30/0x40 [ 235.640395][ T5714] dump_stack_lvl+0xf8/0x160 [ 235.641648][ T5714] dump_stack+0x1c/0x5c [ 235.642785][ T5714] sysfs_create_dir_ns+0x22c/0x24c [ 235.644273][ T5714] kobject_add_internal+0x590/0xc54 [ 235.645716][ T5714] kobject_init_and_add+0x118/0x17c [ 235.647174][ T5714] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.648546][ T5714] gfs2_fill_super+0xdac/0x19e0 [ 235.649890][ T5714] get_tree_bdev+0x358/0x544 [ 235.651115][ T5714] gfs2_get_tree+0x54/0x1b4 [ 235.652371][ T5714] vfs_get_tree+0x90/0x274 [ 235.653598][ T5714] do_new_mount+0x228/0x810 [ 235.654825][ T5714] path_mount+0x5b4/0x1000 [ 235.656037][ T5714] __arm64_sys_mount+0x514/0x5e4 [ 235.657374][ T5714] invoke_syscall+0x98/0x2b8 [ 235.658683][ T5714] el0_svc_common+0x138/0x258 [ 235.659968][ T5714] do_el0_svc+0x58/0x14c [ 235.661173][ T5714] el0_svc+0x78/0x1e0 [ 235.662246][ T5714] el0t_64_sync_handler+0xcc/0xe4 [ 235.663603][ T5714] el0t_64_sync+0x1a0/0x1a4 [ 235.667653][ T5714] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.671354][ T5714] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.938078][ T5716] loop1: detected capacity change from 0 to 32768 [ 235.998861][ T5716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.001286][ T5716] CPU: 0 PID: 5716 Comm: syz.1.314 Not tainted 5.15.184-syzkaller #0 [ 236.003489][ T5716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 236.006284][ T5716] Call trace: [ 236.007169][ T5716] dump_backtrace+0x0/0x43c [ 236.008433][ T5716] show_stack+0x2c/0x3c [ 236.009525][ T5716] __dump_stack+0x30/0x40 [ 236.010741][ T5716] dump_stack_lvl+0xf8/0x160 [ 236.012006][ T5716] dump_stack+0x1c/0x5c [ 236.013146][ T5716] sysfs_create_dir_ns+0x22c/0x24c [ 236.014640][ T5716] kobject_add_internal+0x590/0xc54 [ 236.016186][ T5716] kobject_init_and_add+0x118/0x17c [ 236.017629][ T5716] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.018944][ T5716] gfs2_fill_super+0xdac/0x19e0 [ 236.021293][ T5716] get_tree_bdev+0x358/0x544 [ 236.022553][ T5716] gfs2_get_tree+0x54/0x1b4 [ 236.023739][ T5716] vfs_get_tree+0x90/0x274 [ 236.024962][ T5716] do_new_mount+0x228/0x810 [ 236.026213][ T5716] path_mount+0x5b4/0x1000 [ 236.027400][ T5716] __arm64_sys_mount+0x514/0x5e4 [ 236.028843][ T5716] invoke_syscall+0x98/0x2b8 [ 236.030112][ T5716] el0_svc_common+0x138/0x258 [ 236.031403][ T5716] do_el0_svc+0x58/0x14c [ 236.032583][ T5716] el0_svc+0x78/0x1e0 [ 236.033746][ T5716] el0t_64_sync_handler+0xcc/0xe4 [ 236.035088][ T5716] el0t_64_sync+0x1a0/0x1a4 [ 236.036703][ T5716] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.040349][ T5716] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.314834][ T5718] loop1: detected capacity change from 0 to 32768 [ 236.339261][ T5718] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.341424][ T5718] CPU: 0 PID: 5718 Comm: syz.1.315 Not tainted 5.15.184-syzkaller #0 [ 236.343675][ T5718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 236.346422][ T5718] Call trace: [ 236.347296][ T5718] dump_backtrace+0x0/0x43c [ 236.348519][ T5718] show_stack+0x2c/0x3c [ 236.349611][ T5718] __dump_stack+0x30/0x40 [ 236.350769][ T5718] dump_stack_lvl+0xf8/0x160 [ 236.352016][ T5718] dump_stack+0x1c/0x5c [ 236.353162][ T5718] sysfs_create_dir_ns+0x22c/0x24c [ 236.354518][ T5718] kobject_add_internal+0x590/0xc54 [ 236.355989][ T5718] kobject_init_and_add+0x118/0x17c [ 236.357445][ T5718] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.358727][ T5718] gfs2_fill_super+0xdac/0x19e0 [ 236.360109][ T5718] get_tree_bdev+0x358/0x544 [ 236.361372][ T5718] gfs2_get_tree+0x54/0x1b4 [ 236.362598][ T5718] vfs_get_tree+0x90/0x274 [ 236.363860][ T5718] do_new_mount+0x228/0x810 [ 236.365081][ T5718] path_mount+0x5b4/0x1000 [ 236.366264][ T5718] __arm64_sys_mount+0x514/0x5e4 [ 236.367617][ T5718] invoke_syscall+0x98/0x2b8 [ 236.368885][ T5718] el0_svc_common+0x138/0x258 [ 236.370217][ T5718] do_el0_svc+0x58/0x14c [ 236.371386][ T5718] el0_svc+0x78/0x1e0 [ 236.372487][ T5718] el0t_64_sync_handler+0xcc/0xe4 [ 236.373896][ T5718] el0t_64_sync+0x1a0/0x1a4 [ 236.375566][ T5718] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.379330][ T5718] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.643127][ T5720] loop1: detected capacity change from 0 to 32768 [ 236.699197][ T5720] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.701358][ T5720] CPU: 1 PID: 5720 Comm: syz.1.316 Not tainted 5.15.184-syzkaller #0 [ 236.703563][ T5720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 236.706392][ T5720] Call trace: [ 236.707251][ T5720] dump_backtrace+0x0/0x43c [ 236.708496][ T5720] show_stack+0x2c/0x3c [ 236.709691][ T5720] __dump_stack+0x30/0x40 [ 236.710923][ T5720] dump_stack_lvl+0xf8/0x160 [ 236.712176][ T5720] dump_stack+0x1c/0x5c [ 236.713329][ T5720] sysfs_create_dir_ns+0x22c/0x24c [ 236.714809][ T5720] kobject_add_internal+0x590/0xc54 [ 236.716333][ T5720] kobject_init_and_add+0x118/0x17c [ 236.717810][ T5720] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.719209][ T5720] gfs2_fill_super+0xdac/0x19e0 [ 236.720615][ T5720] get_tree_bdev+0x358/0x544 [ 236.721923][ T5720] gfs2_get_tree+0x54/0x1b4 [ 236.723295][ T5720] vfs_get_tree+0x90/0x274 [ 236.724544][ T5720] do_new_mount+0x228/0x810 [ 236.725813][ T5720] path_mount+0x5b4/0x1000 [ 236.727001][ T5720] __arm64_sys_mount+0x514/0x5e4 [ 236.728381][ T5720] invoke_syscall+0x98/0x2b8 [ 236.729678][ T5720] el0_svc_common+0x138/0x258 [ 236.731016][ T5720] do_el0_svc+0x58/0x14c [ 236.732179][ T5720] el0_svc+0x78/0x1e0 [ 236.733259][ T5720] el0t_64_sync_handler+0xcc/0xe4 [ 236.734689][ T5720] el0t_64_sync+0x1a0/0x1a4 [ 236.737963][ T5720] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.742503][ T5720] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:56 executed programs: 303 [ 237.013032][ T5722] loop1: detected capacity change from 0 to 32768 [ 237.071778][ T5722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 237.073961][ T5722] CPU: 1 PID: 5722 Comm: syz.1.317 Not tainted 5.15.184-syzkaller #0 [ 237.076294][ T5722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 237.079152][ T5722] Call trace: [ 237.080076][ T5722] dump_backtrace+0x0/0x43c [ 237.081381][ T5722] show_stack+0x2c/0x3c [ 237.082601][ T5722] __dump_stack+0x30/0x40 [ 237.083836][ T5722] dump_stack_lvl+0xf8/0x160 [ 237.085196][ T5722] dump_stack+0x1c/0x5c [ 237.086350][ T5722] sysfs_create_dir_ns+0x22c/0x24c [ 237.087759][ T5722] kobject_add_internal+0x590/0xc54 [ 237.089240][ T5722] kobject_init_and_add+0x118/0x17c [ 237.090685][ T5722] gfs2_sys_fs_add+0x1dc/0x3d8 [ 237.092000][ T5722] gfs2_fill_super+0xdac/0x19e0 [ 237.093407][ T5722] get_tree_bdev+0x358/0x544 [ 237.094703][ T5722] gfs2_get_tree+0x54/0x1b4 [ 237.095934][ T5722] vfs_get_tree+0x90/0x274 [ 237.097181][ T5722] do_new_mount+0x228/0x810 [ 237.098555][ T5722] path_mount+0x5b4/0x1000 [ 237.099819][ T5722] __arm64_sys_mount+0x514/0x5e4 [ 237.101188][ T5722] invoke_syscall+0x98/0x2b8 [ 237.102452][ T5722] el0_svc_common+0x138/0x258 [ 237.103781][ T5722] do_el0_svc+0x58/0x14c [ 237.105006][ T5722] el0_svc+0x78/0x1e0 [ 237.106205][ T5722] el0t_64_sync_handler+0xcc/0xe4 [ 237.107654][ T5722] el0t_64_sync+0x1a0/0x1a4 [ 237.109686][ T5722] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.113396][ T5722] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 237.384706][ T5724] loop1: detected capacity change from 0 to 32768 [ 237.438463][ T5724] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 237.440853][ T5724] CPU: 1 PID: 5724 Comm: syz.1.318 Not tainted 5.15.184-syzkaller #0 [ 237.443293][ T5724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 237.446116][ T5724] Call trace: [ 237.447054][ T5724] dump_backtrace+0x0/0x43c [ 237.448301][ T5724] show_stack+0x2c/0x3c [ 237.449498][ T5724] __dump_stack+0x30/0x40 [ 237.450694][ T5724] dump_stack_lvl+0xf8/0x160 [ 237.451975][ T5724] dump_stack+0x1c/0x5c [ 237.453157][ T5724] sysfs_create_dir_ns+0x22c/0x24c [ 237.454626][ T5724] kobject_add_internal+0x590/0xc54 [ 237.456005][ T5724] kobject_init_and_add+0x118/0x17c [ 237.457465][ T5724] gfs2_sys_fs_add+0x1dc/0x3d8 [ 237.458788][ T5724] gfs2_fill_super+0xdac/0x19e0 [ 237.460251][ T5724] get_tree_bdev+0x358/0x544 [ 237.461535][ T5724] gfs2_get_tree+0x54/0x1b4 [ 237.462875][ T5724] vfs_get_tree+0x90/0x274 [ 237.464115][ T5724] do_new_mount+0x228/0x810 [ 237.465452][ T5724] path_mount+0x5b4/0x1000 [ 237.466692][ T5724] __arm64_sys_mount+0x514/0x5e4 [ 237.468078][ T5724] invoke_syscall+0x98/0x2b8 [ 237.469365][ T5724] el0_svc_common+0x138/0x258 [ 237.470744][ T5724] do_el0_svc+0x58/0x14c [ 237.471876][ T5724] el0_svc+0x78/0x1e0 [ 237.473085][ T5724] el0t_64_sync_handler+0xcc/0xe4 [ 237.474487][ T5724] el0t_64_sync+0x1a0/0x1a4 [ 237.478357][ T5724] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.482567][ T5724] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 237.745955][ T5726] loop1: detected capacity change from 0 to 32768 [ 237.781416][ T5726] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 237.783689][ T5726] CPU: 0 PID: 5726 Comm: syz.1.319 Not tainted 5.15.184-syzkaller #0 [ 237.785947][ T5726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 237.788747][ T5726] Call trace: [ 237.789652][ T5726] dump_backtrace+0x0/0x43c [ 237.790894][ T5726] show_stack+0x2c/0x3c [ 237.792014][ T5726] __dump_stack+0x30/0x40 [ 237.793233][ T5726] dump_stack_lvl+0xf8/0x160 [ 237.794531][ T5726] dump_stack+0x1c/0x5c [ 237.795633][ T5726] sysfs_create_dir_ns+0x22c/0x24c [ 237.796999][ T5726] kobject_add_internal+0x590/0xc54 [ 237.798453][ T5726] kobject_init_and_add+0x118/0x17c [ 237.799939][ T5726] gfs2_sys_fs_add+0x1dc/0x3d8 [ 237.801271][ T5726] gfs2_fill_super+0xdac/0x19e0 [ 237.802569][ T5726] get_tree_bdev+0x358/0x544 [ 237.803840][ T5726] gfs2_get_tree+0x54/0x1b4 [ 237.805111][ T5726] vfs_get_tree+0x90/0x274 [ 237.806333][ T5726] do_new_mount+0x228/0x810 [ 237.807550][ T5726] path_mount+0x5b4/0x1000 [ 237.808873][ T5726] __arm64_sys_mount+0x514/0x5e4 [ 237.810224][ T5726] invoke_syscall+0x98/0x2b8 [ 237.811493][ T5726] el0_svc_common+0x138/0x258 [ 237.812749][ T5726] do_el0_svc+0x58/0x14c [ 237.814006][ T5726] el0_svc+0x78/0x1e0 [ 237.815150][ T5726] el0t_64_sync_handler+0xcc/0xe4 [ 237.816565][ T5726] el0t_64_sync+0x1a0/0x1a4 [ 237.824332][ T5726] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.828417][ T5726] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.105367][ T5728] loop1: detected capacity change from 0 to 32768 [ 238.118884][ T5728] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.121286][ T5728] CPU: 1 PID: 5728 Comm: syz.1.320 Not tainted 5.15.184-syzkaller #0 [ 238.123513][ T5728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.126266][ T5728] Call trace: [ 238.127200][ T5728] dump_backtrace+0x0/0x43c [ 238.128477][ T5728] show_stack+0x2c/0x3c [ 238.129580][ T5728] __dump_stack+0x30/0x40 [ 238.130766][ T5728] dump_stack_lvl+0xf8/0x160 [ 238.132022][ T5728] dump_stack+0x1c/0x5c [ 238.133130][ T5728] sysfs_create_dir_ns+0x22c/0x24c [ 238.134513][ T5728] kobject_add_internal+0x590/0xc54 [ 238.135944][ T5728] kobject_init_and_add+0x118/0x17c [ 238.137351][ T5728] gfs2_sys_fs_add+0x1dc/0x3d8 [ 238.138682][ T5728] gfs2_fill_super+0xdac/0x19e0 [ 238.139986][ T5728] get_tree_bdev+0x358/0x544 [ 238.141244][ T5728] gfs2_get_tree+0x54/0x1b4 [ 238.142423][ T5728] vfs_get_tree+0x90/0x274 [ 238.143581][ T5728] do_new_mount+0x228/0x810 [ 238.144826][ T5728] path_mount+0x5b4/0x1000 [ 238.146046][ T5728] __arm64_sys_mount+0x514/0x5e4 [ 238.147392][ T5728] invoke_syscall+0x98/0x2b8 [ 238.148686][ T5728] el0_svc_common+0x138/0x258 [ 238.149963][ T5728] do_el0_svc+0x58/0x14c [ 238.151145][ T5728] el0_svc+0x78/0x1e0 [ 238.152258][ T5728] el0t_64_sync_handler+0xcc/0xe4 [ 238.153630][ T5728] el0t_64_sync+0x1a0/0x1a4 [ 238.158254][ T5728] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.162165][ T5728] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.430154][ T5730] loop1: detected capacity change from 0 to 32768 [ 238.489264][ T5730] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.491296][ T5730] CPU: 0 PID: 5730 Comm: syz.1.321 Not tainted 5.15.184-syzkaller #0 [ 238.493547][ T5730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.496266][ T5730] Call trace: [ 238.497116][ T5730] dump_backtrace+0x0/0x43c [ 238.498388][ T5730] show_stack+0x2c/0x3c [ 238.499481][ T5730] __dump_stack+0x30/0x40 [ 238.500620][ T5730] dump_stack_lvl+0xf8/0x160 [ 238.501975][ T5730] dump_stack+0x1c/0x5c [ 238.503107][ T5730] sysfs_create_dir_ns+0x22c/0x24c [ 238.504541][ T5730] kobject_add_internal+0x590/0xc54 [ 238.506003][ T5730] kobject_init_and_add+0x118/0x17c [ 238.507438][ T5730] gfs2_sys_fs_add+0x1dc/0x3d8 [ 238.508739][ T5730] gfs2_fill_super+0xdac/0x19e0 [ 238.510071][ T5730] get_tree_bdev+0x358/0x544 [ 238.511368][ T5730] gfs2_get_tree+0x54/0x1b4 [ 238.512610][ T5730] vfs_get_tree+0x90/0x274 [ 238.513829][ T5730] do_new_mount+0x228/0x810 [ 238.515113][ T5730] path_mount+0x5b4/0x1000 [ 238.516324][ T5730] __arm64_sys_mount+0x514/0x5e4 [ 238.517674][ T5730] invoke_syscall+0x98/0x2b8 [ 238.518947][ T5730] el0_svc_common+0x138/0x258 [ 238.520249][ T5730] do_el0_svc+0x58/0x14c [ 238.521432][ T5730] el0_svc+0x78/0x1e0 [ 238.522546][ T5730] el0t_64_sync_handler+0xcc/0xe4 [ 238.523911][ T5730] el0t_64_sync+0x1a0/0x1a4 [ 238.527366][ T5730] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.531198][ T5730] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.811881][ T5732] loop1: detected capacity change from 0 to 32768 [ 238.867764][ T5732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.870102][ T5732] CPU: 0 PID: 5732 Comm: syz.1.322 Not tainted 5.15.184-syzkaller #0 [ 238.872395][ T5732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.875260][ T5732] Call trace: [ 238.876154][ T5732] dump_backtrace+0x0/0x43c [ 238.877367][ T5732] show_stack+0x2c/0x3c [ 238.878482][ T5732] __dump_stack+0x30/0x40 [ 238.879689][ T5732] dump_stack_lvl+0xf8/0x160 [ 238.880966][ T5732] dump_stack+0x1c/0x5c [ 238.882084][ T5732] sysfs_create_dir_ns+0x22c/0x24c [ 238.883481][ T5732] kobject_add_internal+0x590/0xc54 [ 238.884893][ T5732] kobject_init_and_add+0x118/0x17c [ 238.886341][ T5732] gfs2_sys_fs_add+0x1dc/0x3d8 [ 238.887631][ T5732] gfs2_fill_super+0xdac/0x19e0 [ 238.888966][ T5732] get_tree_bdev+0x358/0x544 [ 238.890262][ T5732] gfs2_get_tree+0x54/0x1b4 [ 238.891525][ T5732] vfs_get_tree+0x90/0x274 [ 238.892735][ T5732] do_new_mount+0x228/0x810 [ 238.893961][ T5732] path_mount+0x5b4/0x1000 [ 238.895168][ T5732] __arm64_sys_mount+0x514/0x5e4 [ 238.896523][ T5732] invoke_syscall+0x98/0x2b8 [ 238.897782][ T5732] el0_svc_common+0x138/0x258 [ 238.899022][ T5732] do_el0_svc+0x58/0x14c [ 238.900245][ T5732] el0_svc+0x78/0x1e0 [ 238.901344][ T5732] el0t_64_sync_handler+0xcc/0xe4 [ 238.902738][ T5732] el0t_64_sync+0x1a0/0x1a4 [ 238.905198][ T5732] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.909549][ T5732] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.193085][ T5734] loop1: detected capacity change from 0 to 32768 [ 239.247144][ T5734] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 239.249422][ T5734] CPU: 0 PID: 5734 Comm: syz.1.323 Not tainted 5.15.184-syzkaller #0 [ 239.251684][ T5734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 239.254416][ T5734] Call trace: [ 239.255298][ T5734] dump_backtrace+0x0/0x43c [ 239.256473][ T5734] show_stack+0x2c/0x3c [ 239.257610][ T5734] __dump_stack+0x30/0x40 [ 239.258732][ T5734] dump_stack_lvl+0xf8/0x160 [ 239.260046][ T5734] dump_stack+0x1c/0x5c [ 239.261179][ T5734] sysfs_create_dir_ns+0x22c/0x24c [ 239.262567][ T5734] kobject_add_internal+0x590/0xc54 [ 239.263973][ T5734] kobject_init_and_add+0x118/0x17c [ 239.265488][ T5734] gfs2_sys_fs_add+0x1dc/0x3d8 [ 239.266848][ T5734] gfs2_fill_super+0xdac/0x19e0 [ 239.268210][ T5734] get_tree_bdev+0x358/0x544 [ 239.269563][ T5734] gfs2_get_tree+0x54/0x1b4 [ 239.270849][ T5734] vfs_get_tree+0x90/0x274 [ 239.272261][ T5734] do_new_mount+0x228/0x810 [ 239.273598][ T5734] path_mount+0x5b4/0x1000 [ 239.274834][ T5734] __arm64_sys_mount+0x514/0x5e4 [ 239.276238][ T5734] invoke_syscall+0x98/0x2b8 [ 239.277517][ T5734] el0_svc_common+0x138/0x258 [ 239.278938][ T5734] do_el0_svc+0x58/0x14c [ 239.280201][ T5734] el0_svc+0x78/0x1e0 [ 239.281305][ T5734] el0t_64_sync_handler+0xcc/0xe4 [ 239.282662][ T5734] el0t_64_sync+0x1a0/0x1a4 [ 239.284245][ T5734] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 239.287986][ T5734] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.553240][ T5736] loop1: detected capacity change from 0 to 32768 [ 239.600862][ T5736] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 239.602888][ T5736] CPU: 0 PID: 5736 Comm: syz.1.324 Not tainted 5.15.184-syzkaller #0 [ 239.605079][ T5736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 239.607757][ T5736] Call trace: [ 239.608674][ T5736] dump_backtrace+0x0/0x43c [ 239.609966][ T5736] show_stack+0x2c/0x3c [ 239.611125][ T5736] __dump_stack+0x30/0x40 [ 239.612345][ T5736] dump_stack_lvl+0xf8/0x160 [ 239.613597][ T5736] dump_stack+0x1c/0x5c [ 239.614707][ T5736] sysfs_create_dir_ns+0x22c/0x24c [ 239.616112][ T5736] kobject_add_internal+0x590/0xc54 [ 239.617567][ T5736] kobject_init_and_add+0x118/0x17c [ 239.619023][ T5736] gfs2_sys_fs_add+0x1dc/0x3d8 [ 239.620361][ T5736] gfs2_fill_super+0xdac/0x19e0 [ 239.621723][ T5736] get_tree_bdev+0x358/0x544 [ 239.623000][ T5736] gfs2_get_tree+0x54/0x1b4 [ 239.624252][ T5736] vfs_get_tree+0x90/0x274 [ 239.625459][ T5736] do_new_mount+0x228/0x810 [ 239.626661][ T5736] path_mount+0x5b4/0x1000 [ 239.627822][ T5736] __arm64_sys_mount+0x514/0x5e4 [ 239.629212][ T5736] invoke_syscall+0x98/0x2b8 [ 239.630478][ T5736] el0_svc_common+0x138/0x258 [ 239.631773][ T5736] do_el0_svc+0x58/0x14c [ 239.632896][ T5736] el0_svc+0x78/0x1e0 [ 239.633972][ T5736] el0t_64_sync_handler+0xcc/0xe4 [ 239.635374][ T5736] el0t_64_sync+0x1a0/0x1a4 [ 239.637428][ T5736] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 239.641244][ T5736] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.920638][ T5738] loop1: detected capacity change from 0 to 32768 [ 239.961114][ T5738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 239.963213][ T5738] CPU: 0 PID: 5738 Comm: syz.1.325 Not tainted 5.15.184-syzkaller #0 [ 239.965417][ T5738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 239.968171][ T5738] Call trace: [ 239.969023][ T5738] dump_backtrace+0x0/0x43c [ 239.970303][ T5738] show_stack+0x2c/0x3c [ 239.971423][ T5738] __dump_stack+0x30/0x40 [ 239.972652][ T5738] dump_stack_lvl+0xf8/0x160 [ 239.973931][ T5738] dump_stack+0x1c/0x5c [ 239.975132][ T5738] sysfs_create_dir_ns+0x22c/0x24c [ 239.976584][ T5738] kobject_add_internal+0x590/0xc54 [ 239.978052][ T5738] kobject_init_and_add+0x118/0x17c [ 239.979478][ T5738] gfs2_sys_fs_add+0x1dc/0x3d8 [ 239.980718][ T5738] gfs2_fill_super+0xdac/0x19e0 [ 239.982082][ T5738] get_tree_bdev+0x358/0x544 [ 239.983362][ T5738] gfs2_get_tree+0x54/0x1b4 [ 239.984592][ T5738] vfs_get_tree+0x90/0x274 [ 239.985788][ T5738] do_new_mount+0x228/0x810 [ 239.987036][ T5738] path_mount+0x5b4/0x1000 [ 239.988282][ T5738] __arm64_sys_mount+0x514/0x5e4 [ 239.989606][ T5738] invoke_syscall+0x98/0x2b8 [ 239.990847][ T5738] el0_svc_common+0x138/0x258 [ 239.992176][ T5738] do_el0_svc+0x58/0x14c [ 239.993337][ T5738] el0_svc+0x78/0x1e0 [ 239.994453][ T5738] el0t_64_sync_handler+0xcc/0xe4 [ 239.995849][ T5738] el0t_64_sync+0x1a0/0x1a4 [ 240.006711][ T5738] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.010490][ T5738] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 240.332452][ T5740] loop1: detected capacity change from 0 to 32768 [ 240.377046][ T5740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.379439][ T5740] CPU: 1 PID: 5740 Comm: syz.1.326 Not tainted 5.15.184-syzkaller #0 [ 240.381711][ T5740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.384544][ T5740] Call trace: [ 240.385444][ T5740] dump_backtrace+0x0/0x43c [ 240.386747][ T5740] show_stack+0x2c/0x3c [ 240.387867][ T5740] __dump_stack+0x30/0x40 [ 240.389058][ T5740] dump_stack_lvl+0xf8/0x160 [ 240.390327][ T5740] dump_stack+0x1c/0x5c [ 240.391494][ T5740] sysfs_create_dir_ns+0x22c/0x24c [ 240.392858][ T5740] kobject_add_internal+0x590/0xc54 [ 240.394327][ T5740] kobject_init_and_add+0x118/0x17c [ 240.395763][ T5740] gfs2_sys_fs_add+0x1dc/0x3d8 [ 240.397057][ T5740] gfs2_fill_super+0xdac/0x19e0 [ 240.398443][ T5740] get_tree_bdev+0x358/0x544 [ 240.399709][ T5740] gfs2_get_tree+0x54/0x1b4 [ 240.400983][ T5740] vfs_get_tree+0x90/0x274 [ 240.402244][ T5740] do_new_mount+0x228/0x810 [ 240.403514][ T5740] path_mount+0x5b4/0x1000 [ 240.404702][ T5740] __arm64_sys_mount+0x514/0x5e4 [ 240.406122][ T5740] invoke_syscall+0x98/0x2b8 [ 240.407392][ T5740] el0_svc_common+0x138/0x258 [ 240.408682][ T5740] do_el0_svc+0x58/0x14c [ 240.409866][ T5740] el0_svc+0x78/0x1e0 [ 240.410958][ T5740] el0t_64_sync_handler+0xcc/0xe4 [ 240.412357][ T5740] el0t_64_sync+0x1a0/0x1a4 [ 240.415985][ T5740] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.419701][ T5740] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 240.687540][ T5742] loop1: detected capacity change from 0 to 32768 [ 240.748336][ T5742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.750630][ T5742] CPU: 1 PID: 5742 Comm: syz.1.327 Not tainted 5.15.184-syzkaller #0 [ 240.752925][ T5742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.755786][ T5742] Call trace: [ 240.756643][ T5742] dump_backtrace+0x0/0x43c [ 240.757903][ T5742] show_stack+0x2c/0x3c [ 240.759008][ T5742] __dump_stack+0x30/0x40 [ 240.760231][ T5742] dump_stack_lvl+0xf8/0x160 [ 240.761528][ T5742] dump_stack+0x1c/0x5c [ 240.762658][ T5742] sysfs_create_dir_ns+0x22c/0x24c [ 240.764060][ T5742] kobject_add_internal+0x590/0xc54 [ 240.765473][ T5742] kobject_init_and_add+0x118/0x17c [ 240.766925][ T5742] gfs2_sys_fs_add+0x1dc/0x3d8 [ 240.768258][ T5742] gfs2_fill_super+0xdac/0x19e0 [ 240.769624][ T5742] get_tree_bdev+0x358/0x544 [ 240.770869][ T5742] gfs2_get_tree+0x54/0x1b4 [ 240.772141][ T5742] vfs_get_tree+0x90/0x274 [ 240.773388][ T5742] do_new_mount+0x228/0x810 [ 240.774627][ T5742] path_mount+0x5b4/0x1000 [ 240.775860][ T5742] __arm64_sys_mount+0x514/0x5e4 [ 240.777202][ T5742] invoke_syscall+0x98/0x2b8 [ 240.778463][ T5742] el0_svc_common+0x138/0x258 [ 240.779731][ T5742] do_el0_svc+0x58/0x14c [ 240.780905][ T5742] el0_svc+0x78/0x1e0 [ 240.781972][ T5742] el0t_64_sync_handler+0xcc/0xe4 [ 240.783365][ T5742] el0t_64_sync+0x1a0/0x1a4 [ 240.787138][ T5742] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.792095][ T5742] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.067408][ T5744] loop1: detected capacity change from 0 to 32768 [ 241.081248][ T5744] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 241.083294][ T5744] CPU: 0 PID: 5744 Comm: syz.1.328 Not tainted 5.15.184-syzkaller #0 [ 241.085419][ T5744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 241.088010][ T5744] Call trace: [ 241.088870][ T5744] dump_backtrace+0x0/0x43c [ 241.090090][ T5744] show_stack+0x2c/0x3c [ 241.091246][ T5744] __dump_stack+0x30/0x40 [ 241.092394][ T5744] dump_stack_lvl+0xf8/0x160 [ 241.093675][ T5744] dump_stack+0x1c/0x5c [ 241.094787][ T5744] sysfs_create_dir_ns+0x22c/0x24c [ 241.096210][ T5744] kobject_add_internal+0x590/0xc54 [ 241.097596][ T5744] kobject_init_and_add+0x118/0x17c [ 241.099024][ T5744] gfs2_sys_fs_add+0x1dc/0x3d8 [ 241.100313][ T5744] gfs2_fill_super+0xdac/0x19e0 [ 241.101639][ T5744] get_tree_bdev+0x358/0x544 [ 241.102931][ T5744] gfs2_get_tree+0x54/0x1b4 [ 241.104190][ T5744] vfs_get_tree+0x90/0x274 [ 241.105408][ T5744] do_new_mount+0x228/0x810 [ 241.106604][ T5744] path_mount+0x5b4/0x1000 [ 241.107792][ T5744] __arm64_sys_mount+0x514/0x5e4 [ 241.109174][ T5744] invoke_syscall+0x98/0x2b8 [ 241.110434][ T5744] el0_svc_common+0x138/0x258 [ 241.111721][ T5744] do_el0_svc+0x58/0x14c [ 241.112852][ T5744] el0_svc+0x78/0x1e0 [ 241.113933][ T5744] el0t_64_sync_handler+0xcc/0xe4 [ 241.115298][ T5744] el0t_64_sync+0x1a0/0x1a4 [ 241.118701][ T5744] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 241.122561][ T5744] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.392544][ T5746] loop1: detected capacity change from 0 to 32768 [ 241.441104][ T5746] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 241.443219][ T5746] CPU: 0 PID: 5746 Comm: syz.1.329 Not tainted 5.15.184-syzkaller #0 [ 241.445447][ T5746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 241.448238][ T5746] Call trace: [ 241.449192][ T5746] dump_backtrace+0x0/0x43c [ 241.450445][ T5746] show_stack+0x2c/0x3c [ 241.451581][ T5746] __dump_stack+0x30/0x40 [ 241.452781][ T5746] dump_stack_lvl+0xf8/0x160 [ 241.453991][ T5746] dump_stack+0x1c/0x5c [ 241.455162][ T5746] sysfs_create_dir_ns+0x22c/0x24c [ 241.456647][ T5746] kobject_add_internal+0x590/0xc54 [ 241.458083][ T5746] kobject_init_and_add+0x118/0x17c [ 241.459530][ T5746] gfs2_sys_fs_add+0x1dc/0x3d8 [ 241.460831][ T5746] gfs2_fill_super+0xdac/0x19e0 [ 241.462204][ T5746] get_tree_bdev+0x358/0x544 [ 241.463494][ T5746] gfs2_get_tree+0x54/0x1b4 [ 241.464729][ T5746] vfs_get_tree+0x90/0x274 [ 241.465905][ T5746] do_new_mount+0x228/0x810 [ 241.467162][ T5746] path_mount+0x5b4/0x1000 [ 241.468449][ T5746] __arm64_sys_mount+0x514/0x5e4 [ 241.469797][ T5746] invoke_syscall+0x98/0x2b8 [ 241.471112][ T5746] el0_svc_common+0x138/0x258 [ 241.472436][ T5746] do_el0_svc+0x58/0x14c [ 241.473588][ T5746] el0_svc+0x78/0x1e0 [ 241.474659][ T5746] el0t_64_sync_handler+0xcc/0xe4 [ 241.476076][ T5746] el0t_64_sync+0x1a0/0x1a4 [ 241.478342][ T5746] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 241.483259][ T5746] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.746229][ T5748] loop1: detected capacity change from 0 to 32768 [ 241.799280][ T5748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 241.801356][ T5748] CPU: 0 PID: 5748 Comm: syz.1.330 Not tainted 5.15.184-syzkaller #0 [ 241.803528][ T5748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 241.806310][ T5748] Call trace: [ 241.807198][ T5748] dump_backtrace+0x0/0x43c [ 241.808432][ T5748] show_stack+0x2c/0x3c [ 241.809612][ T5748] __dump_stack+0x30/0x40 [ 241.810802][ T5748] dump_stack_lvl+0xf8/0x160 [ 241.812054][ T5748] dump_stack+0x1c/0x5c [ 241.813205][ T5748] sysfs_create_dir_ns+0x22c/0x24c [ 241.814643][ T5748] kobject_add_internal+0x590/0xc54 [ 241.816080][ T5748] kobject_init_and_add+0x118/0x17c [ 241.817466][ T5748] gfs2_sys_fs_add+0x1dc/0x3d8 [ 241.818750][ T5748] gfs2_fill_super+0xdac/0x19e0 [ 241.820032][ T5748] get_tree_bdev+0x358/0x544 [ 241.821443][ T5748] gfs2_get_tree+0x54/0x1b4 [ 241.822661][ T5748] vfs_get_tree+0x90/0x274 [ 241.823891][ T5748] do_new_mount+0x228/0x810 [ 241.825154][ T5748] path_mount+0x5b4/0x1000 [ 241.826343][ T5748] __arm64_sys_mount+0x514/0x5e4 [ 241.827720][ T5748] invoke_syscall+0x98/0x2b8 [ 241.828949][ T5748] el0_svc_common+0x138/0x258 [ 241.830263][ T5748] do_el0_svc+0x58/0x14c [ 241.831396][ T5748] el0_svc+0x78/0x1e0 [ 241.832473][ T5748] el0t_64_sync_handler+0xcc/0xe4 [ 241.833843][ T5748] el0t_64_sync+0x1a0/0x1a4 [ 241.838091][ T5748] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 241.842334][ T5748] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:01 executed programs: 317 [ 242.113636][ T5750] loop1: detected capacity change from 0 to 32768 [ 242.182360][ T5750] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.184441][ T5750] CPU: 1 PID: 5750 Comm: syz.1.331 Not tainted 5.15.184-syzkaller #0 [ 242.186719][ T5750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 242.189577][ T5750] Call trace: [ 242.190454][ T5750] dump_backtrace+0x0/0x43c [ 242.191691][ T5750] show_stack+0x2c/0x3c [ 242.192864][ T5750] __dump_stack+0x30/0x40 [ 242.194158][ T5750] dump_stack_lvl+0xf8/0x160 [ 242.195410][ T5750] dump_stack+0x1c/0x5c [ 242.196546][ T5750] sysfs_create_dir_ns+0x22c/0x24c [ 242.197981][ T5750] kobject_add_internal+0x590/0xc54 [ 242.199415][ T5750] kobject_init_and_add+0x118/0x17c [ 242.200842][ T5750] gfs2_sys_fs_add+0x1dc/0x3d8 [ 242.202133][ T5750] gfs2_fill_super+0xdac/0x19e0 [ 242.203458][ T5750] get_tree_bdev+0x358/0x544 [ 242.204793][ T5750] gfs2_get_tree+0x54/0x1b4 [ 242.206054][ T5750] vfs_get_tree+0x90/0x274 [ 242.207289][ T5750] do_new_mount+0x228/0x810 [ 242.208545][ T5750] path_mount+0x5b4/0x1000 [ 242.209852][ T5750] __arm64_sys_mount+0x514/0x5e4 [ 242.211237][ T5750] invoke_syscall+0x98/0x2b8 [ 242.212500][ T5750] el0_svc_common+0x138/0x258 [ 242.213761][ T5750] do_el0_svc+0x58/0x14c [ 242.214905][ T5750] el0_svc+0x78/0x1e0 [ 242.216026][ T5750] el0t_64_sync_handler+0xcc/0xe4 [ 242.217444][ T5750] el0t_64_sync+0x1a0/0x1a4 [ 242.221963][ T5750] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.225786][ T5750] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 242.494288][ T5752] loop1: detected capacity change from 0 to 32768 [ 242.551256][ T5752] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.553416][ T5752] CPU: 0 PID: 5752 Comm: syz.1.332 Not tainted 5.15.184-syzkaller #0 [ 242.555600][ T5752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 242.558419][ T5752] Call trace: [ 242.559325][ T5752] dump_backtrace+0x0/0x43c [ 242.560608][ T5752] show_stack+0x2c/0x3c [ 242.561757][ T5752] __dump_stack+0x30/0x40 [ 242.562960][ T5752] dump_stack_lvl+0xf8/0x160 [ 242.564299][ T5752] dump_stack+0x1c/0x5c [ 242.565463][ T5752] sysfs_create_dir_ns+0x22c/0x24c [ 242.566961][ T5752] kobject_add_internal+0x590/0xc54 [ 242.568415][ T5752] kobject_init_and_add+0x118/0x17c [ 242.569880][ T5752] gfs2_sys_fs_add+0x1dc/0x3d8 [ 242.571189][ T5752] gfs2_fill_super+0xdac/0x19e0 [ 242.572520][ T5752] get_tree_bdev+0x358/0x544 [ 242.573805][ T5752] gfs2_get_tree+0x54/0x1b4 [ 242.575427][ T5752] vfs_get_tree+0x90/0x274 [ 242.576588][ T5752] do_new_mount+0x228/0x810 [ 242.577863][ T5752] path_mount+0x5b4/0x1000 [ 242.579100][ T5752] __arm64_sys_mount+0x514/0x5e4 [ 242.580462][ T5752] invoke_syscall+0x98/0x2b8 [ 242.581717][ T5752] el0_svc_common+0x138/0x258 [ 242.583003][ T5752] do_el0_svc+0x58/0x14c [ 242.584194][ T5752] el0_svc+0x78/0x1e0 [ 242.585275][ T5752] el0t_64_sync_handler+0xcc/0xe4 [ 242.586666][ T5752] el0t_64_sync+0x1a0/0x1a4 [ 242.593576][ T5752] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.597268][ T5752] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 242.876660][ T5754] loop1: detected capacity change from 0 to 32768 [ 242.920182][ T5754] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.922272][ T5754] CPU: 1 PID: 5754 Comm: syz.1.333 Not tainted 5.15.184-syzkaller #0 [ 242.924511][ T5754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 242.927304][ T5754] Call trace: [ 242.928220][ T5754] dump_backtrace+0x0/0x43c [ 242.929493][ T5754] show_stack+0x2c/0x3c [ 242.930704][ T5754] __dump_stack+0x30/0x40 [ 242.931895][ T5754] dump_stack_lvl+0xf8/0x160 [ 242.933147][ T5754] dump_stack+0x1c/0x5c [ 242.934320][ T5754] sysfs_create_dir_ns+0x22c/0x24c [ 242.935736][ T5754] kobject_add_internal+0x590/0xc54 [ 242.937210][ T5754] kobject_init_and_add+0x118/0x17c [ 242.938651][ T5754] gfs2_sys_fs_add+0x1dc/0x3d8 [ 242.940014][ T5754] gfs2_fill_super+0xdac/0x19e0 [ 242.941402][ T5754] get_tree_bdev+0x358/0x544 [ 242.942665][ T5754] gfs2_get_tree+0x54/0x1b4 [ 242.943912][ T5754] vfs_get_tree+0x90/0x274 [ 242.945247][ T5754] do_new_mount+0x228/0x810 [ 242.946466][ T5754] path_mount+0x5b4/0x1000 [ 242.947674][ T5754] __arm64_sys_mount+0x514/0x5e4 [ 242.949085][ T5754] invoke_syscall+0x98/0x2b8 [ 242.950331][ T5754] el0_svc_common+0x138/0x258 [ 242.951636][ T5754] do_el0_svc+0x58/0x14c [ 242.952772][ T5754] el0_svc+0x78/0x1e0 [ 242.953917][ T5754] el0t_64_sync_handler+0xcc/0xe4 [ 242.955290][ T5754] el0t_64_sync+0x1a0/0x1a4 [ 242.958663][ T5754] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.962384][ T5754] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.235705][ T5756] loop1: detected capacity change from 0 to 32768 [ 243.288605][ T5756] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 243.290755][ T5756] CPU: 1 PID: 5756 Comm: syz.1.334 Not tainted 5.15.184-syzkaller #0 [ 243.292974][ T5756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 243.295696][ T5756] Call trace: [ 243.296586][ T5756] dump_backtrace+0x0/0x43c [ 243.297784][ T5756] show_stack+0x2c/0x3c [ 243.298919][ T5756] __dump_stack+0x30/0x40 [ 243.300084][ T5756] dump_stack_lvl+0xf8/0x160 [ 243.301354][ T5756] dump_stack+0x1c/0x5c [ 243.302525][ T5756] sysfs_create_dir_ns+0x22c/0x24c [ 243.303955][ T5756] kobject_add_internal+0x590/0xc54 [ 243.305372][ T5756] kobject_init_and_add+0x118/0x17c [ 243.306812][ T5756] gfs2_sys_fs_add+0x1dc/0x3d8 [ 243.308124][ T5756] gfs2_fill_super+0xdac/0x19e0 [ 243.309490][ T5756] get_tree_bdev+0x358/0x544 [ 243.310799][ T5756] gfs2_get_tree+0x54/0x1b4 [ 243.312071][ T5756] vfs_get_tree+0x90/0x274 [ 243.313289][ T5756] do_new_mount+0x228/0x810 [ 243.314515][ T5756] path_mount+0x5b4/0x1000 [ 243.315729][ T5756] __arm64_sys_mount+0x514/0x5e4 [ 243.317094][ T5756] invoke_syscall+0x98/0x2b8 [ 243.318330][ T5756] el0_svc_common+0x138/0x258 [ 243.319617][ T5756] do_el0_svc+0x58/0x14c [ 243.320789][ T5756] el0_svc+0x78/0x1e0 [ 243.321900][ T5756] el0t_64_sync_handler+0xcc/0xe4 [ 243.323346][ T5756] el0t_64_sync+0x1a0/0x1a4 [ 243.327202][ T5756] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 243.330935][ T5756] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.657248][ T5758] loop1: detected capacity change from 0 to 32768 [ 243.718047][ T5758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 243.722767][ T5758] CPU: 0 PID: 5758 Comm: syz.1.335 Not tainted 5.15.184-syzkaller #0 [ 243.725004][ T5758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 243.727804][ T5758] Call trace: [ 243.728698][ T5758] dump_backtrace+0x0/0x43c [ 243.729974][ T5758] show_stack+0x2c/0x3c [ 243.731148][ T5758] __dump_stack+0x30/0x40 [ 243.732336][ T5758] dump_stack_lvl+0xf8/0x160 [ 243.733583][ T5758] dump_stack+0x1c/0x5c [ 243.734713][ T5758] sysfs_create_dir_ns+0x22c/0x24c [ 243.736144][ T5758] kobject_add_internal+0x590/0xc54 [ 243.737624][ T5758] kobject_init_and_add+0x118/0x17c [ 243.739037][ T5758] gfs2_sys_fs_add+0x1dc/0x3d8 [ 243.740384][ T5758] gfs2_fill_super+0xdac/0x19e0 [ 243.741731][ T5758] get_tree_bdev+0x358/0x544 [ 243.742983][ T5758] gfs2_get_tree+0x54/0x1b4 [ 243.744231][ T5758] vfs_get_tree+0x90/0x274 [ 243.745435][ T5758] do_new_mount+0x228/0x810 [ 243.746705][ T5758] path_mount+0x5b4/0x1000 [ 243.747940][ T5758] __arm64_sys_mount+0x514/0x5e4 [ 243.749325][ T5758] invoke_syscall+0x98/0x2b8 [ 243.750579][ T5758] el0_svc_common+0x138/0x258 [ 243.751884][ T5758] do_el0_svc+0x58/0x14c [ 243.753024][ T5758] el0_svc+0x78/0x1e0 [ 243.754179][ T5758] el0t_64_sync_handler+0xcc/0xe4 [ 243.755627][ T5758] el0t_64_sync+0x1a0/0x1a4 [ 243.757504][ T5758] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 243.761234][ T5758] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 244.034745][ T5760] loop1: detected capacity change from 0 to 32768 [ 244.085285][ T5760] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 244.087364][ T5760] CPU: 0 PID: 5760 Comm: syz.1.336 Not tainted 5.15.184-syzkaller #0 [ 244.089572][ T5760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 244.092378][ T5760] Call trace: [ 244.093263][ T5760] dump_backtrace+0x0/0x43c [ 244.094561][ T5760] show_stack+0x2c/0x3c [ 244.095713][ T5760] __dump_stack+0x30/0x40 [ 244.096922][ T5760] dump_stack_lvl+0xf8/0x160 [ 244.098234][ T5760] dump_stack+0x1c/0x5c [ 244.099390][ T5760] sysfs_create_dir_ns+0x22c/0x24c [ 244.100829][ T5760] kobject_add_internal+0x590/0xc54 [ 244.102230][ T5760] kobject_init_and_add+0x118/0x17c [ 244.103597][ T5760] gfs2_sys_fs_add+0x1dc/0x3d8 [ 244.104915][ T5760] gfs2_fill_super+0xdac/0x19e0 [ 244.106323][ T5760] get_tree_bdev+0x358/0x544 [ 244.107585][ T5760] gfs2_get_tree+0x54/0x1b4 [ 244.108775][ T5760] vfs_get_tree+0x90/0x274 [ 244.109961][ T5760] do_new_mount+0x228/0x810 [ 244.111234][ T5760] path_mount+0x5b4/0x1000 [ 244.112419][ T5760] __arm64_sys_mount+0x514/0x5e4 [ 244.113784][ T5760] invoke_syscall+0x98/0x2b8 [ 244.115046][ T5760] el0_svc_common+0x138/0x258 [ 244.116330][ T5760] do_el0_svc+0x58/0x14c [ 244.117502][ T5760] el0_svc+0x78/0x1e0 [ 244.118579][ T5760] el0t_64_sync_handler+0xcc/0xe4 [ 244.119972][ T5760] el0t_64_sync+0x1a0/0x1a4 [ 244.123525][ T5760] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.127167][ T5760] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 244.407175][ T5762] loop1: detected capacity change from 0 to 32768 [ 244.422305][ T5762] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 244.424433][ T5762] CPU: 1 PID: 5762 Comm: syz.1.337 Not tainted 5.15.184-syzkaller #0 [ 244.426611][ T5762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 244.429384][ T5762] Call trace: [ 244.430286][ T5762] dump_backtrace+0x0/0x43c [ 244.431519][ T5762] show_stack+0x2c/0x3c [ 244.432641][ T5762] __dump_stack+0x30/0x40 [ 244.433907][ T5762] dump_stack_lvl+0xf8/0x160 [ 244.435184][ T5762] dump_stack+0x1c/0x5c [ 244.436337][ T5762] sysfs_create_dir_ns+0x22c/0x24c [ 244.437726][ T5762] kobject_add_internal+0x590/0xc54 [ 244.439217][ T5762] kobject_init_and_add+0x118/0x17c [ 244.440639][ T5762] gfs2_sys_fs_add+0x1dc/0x3d8 [ 244.442015][ T5762] gfs2_fill_super+0xdac/0x19e0 [ 244.443377][ T5762] get_tree_bdev+0x358/0x544 [ 244.444661][ T5762] gfs2_get_tree+0x54/0x1b4 [ 244.445932][ T5762] vfs_get_tree+0x90/0x274 [ 244.447143][ T5762] do_new_mount+0x228/0x810 [ 244.448339][ T5762] path_mount+0x5b4/0x1000 [ 244.449520][ T5762] __arm64_sys_mount+0x514/0x5e4 [ 244.450933][ T5762] invoke_syscall+0x98/0x2b8 [ 244.452249][ T5762] el0_svc_common+0x138/0x258 [ 244.453556][ T5762] do_el0_svc+0x58/0x14c [ 244.454709][ T5762] el0_svc+0x78/0x1e0 [ 244.455829][ T5762] el0t_64_sync_handler+0xcc/0xe4 [ 244.457236][ T5762] el0t_64_sync+0x1a0/0x1a4 [ 244.460419][ T5762] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.463951][ T5762] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 244.728509][ T5764] loop1: detected capacity change from 0 to 32768 [ 244.771039][ T5764] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 244.773125][ T5764] CPU: 0 PID: 5764 Comm: syz.1.338 Not tainted 5.15.184-syzkaller #0 [ 244.775287][ T5764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 244.778051][ T5764] Call trace: [ 244.778952][ T5764] dump_backtrace+0x0/0x43c [ 244.780239][ T5764] show_stack+0x2c/0x3c [ 244.781464][ T5764] __dump_stack+0x30/0x40 [ 244.782694][ T5764] dump_stack_lvl+0xf8/0x160 [ 244.784033][ T5764] dump_stack+0x1c/0x5c [ 244.785157][ T5764] sysfs_create_dir_ns+0x22c/0x24c [ 244.786570][ T5764] kobject_add_internal+0x590/0xc54 [ 244.787981][ T5764] kobject_init_and_add+0x118/0x17c [ 244.789480][ T5764] gfs2_sys_fs_add+0x1dc/0x3d8 [ 244.790786][ T5764] gfs2_fill_super+0xdac/0x19e0 [ 244.792112][ T5764] get_tree_bdev+0x358/0x544 [ 244.793422][ T5764] gfs2_get_tree+0x54/0x1b4 [ 244.794662][ T5764] vfs_get_tree+0x90/0x274 [ 244.795903][ T5764] do_new_mount+0x228/0x810 [ 244.797179][ T5764] path_mount+0x5b4/0x1000 [ 244.798397][ T5764] __arm64_sys_mount+0x514/0x5e4 [ 244.799742][ T5764] invoke_syscall+0x98/0x2b8 [ 244.801123][ T5764] el0_svc_common+0x138/0x258 [ 244.802455][ T5764] do_el0_svc+0x58/0x14c [ 244.803653][ T5764] el0_svc+0x78/0x1e0 [ 244.804757][ T5764] el0t_64_sync_handler+0xcc/0xe4 [ 244.806158][ T5764] el0t_64_sync+0x1a0/0x1a4 [ 244.809656][ T5764] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.813214][ T5764] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.131938][ T5766] loop1: detected capacity change from 0 to 32768 [ 245.187771][ T5766] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.190031][ T5766] CPU: 1 PID: 5766 Comm: syz.1.339 Not tainted 5.15.184-syzkaller #0 [ 245.192365][ T5766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.195165][ T5766] Call trace: [ 245.196121][ T5766] dump_backtrace+0x0/0x43c [ 245.197383][ T5766] show_stack+0x2c/0x3c [ 245.198520][ T5766] __dump_stack+0x30/0x40 [ 245.199671][ T5766] dump_stack_lvl+0xf8/0x160 [ 245.200922][ T5766] dump_stack+0x1c/0x5c [ 245.202069][ T5766] sysfs_create_dir_ns+0x22c/0x24c [ 245.203528][ T5766] kobject_add_internal+0x590/0xc54 [ 245.204970][ T5766] kobject_init_and_add+0x118/0x17c [ 245.206444][ T5766] gfs2_sys_fs_add+0x1dc/0x3d8 [ 245.207748][ T5766] gfs2_fill_super+0xdac/0x19e0 [ 245.209167][ T5766] get_tree_bdev+0x358/0x544 [ 245.210503][ T5766] gfs2_get_tree+0x54/0x1b4 [ 245.211781][ T5766] vfs_get_tree+0x90/0x274 [ 245.213016][ T5766] do_new_mount+0x228/0x810 [ 245.214275][ T5766] path_mount+0x5b4/0x1000 [ 245.215473][ T5766] __arm64_sys_mount+0x514/0x5e4 [ 245.216869][ T5766] invoke_syscall+0x98/0x2b8 [ 245.218143][ T5766] el0_svc_common+0x138/0x258 [ 245.219507][ T5766] do_el0_svc+0x58/0x14c [ 245.220710][ T5766] el0_svc+0x78/0x1e0 [ 245.221818][ T5766] el0t_64_sync_handler+0xcc/0xe4 [ 245.223239][ T5766] el0t_64_sync+0x1a0/0x1a4 [ 245.226649][ T5766] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.230318][ T5766] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.496923][ T5768] loop1: detected capacity change from 0 to 32768 [ 245.545261][ T5768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.547395][ T5768] CPU: 1 PID: 5768 Comm: syz.1.340 Not tainted 5.15.184-syzkaller #0 [ 245.549651][ T5768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.552554][ T5768] Call trace: [ 245.553467][ T5768] dump_backtrace+0x0/0x43c [ 245.554763][ T5768] show_stack+0x2c/0x3c [ 245.555927][ T5768] __dump_stack+0x30/0x40 [ 245.557123][ T5768] dump_stack_lvl+0xf8/0x160 [ 245.558447][ T5768] dump_stack+0x1c/0x5c [ 245.559606][ T5768] sysfs_create_dir_ns+0x22c/0x24c [ 245.561021][ T5768] kobject_add_internal+0x590/0xc54 [ 245.562476][ T5768] kobject_init_and_add+0x118/0x17c [ 245.563928][ T5768] gfs2_sys_fs_add+0x1dc/0x3d8 [ 245.565233][ T5768] gfs2_fill_super+0xdac/0x19e0 [ 245.566607][ T5768] get_tree_bdev+0x358/0x544 [ 245.567921][ T5768] gfs2_get_tree+0x54/0x1b4 [ 245.569278][ T5768] vfs_get_tree+0x90/0x274 [ 245.570493][ T5768] do_new_mount+0x228/0x810 [ 245.571690][ T5768] path_mount+0x5b4/0x1000 [ 245.572891][ T5768] __arm64_sys_mount+0x514/0x5e4 [ 245.574238][ T5768] invoke_syscall+0x98/0x2b8 [ 245.575520][ T5768] el0_svc_common+0x138/0x258 [ 245.576811][ T5768] do_el0_svc+0x58/0x14c [ 245.577939][ T5768] el0_svc+0x78/0x1e0 [ 245.579042][ T5768] el0t_64_sync_handler+0xcc/0xe4 [ 245.580428][ T5768] el0t_64_sync+0x1a0/0x1a4 [ 245.586215][ T5768] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.589882][ T5768] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.769260][ T4343] Bluetooth: hci1: command 0x0406 tx timeout [ 245.863918][ T5770] loop1: detected capacity change from 0 to 32768 [ 245.921600][ T5770] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.923750][ T5770] CPU: 1 PID: 5770 Comm: syz.1.341 Not tainted 5.15.184-syzkaller #0 [ 245.926008][ T5770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.928810][ T5770] Call trace: [ 245.929736][ T5770] dump_backtrace+0x0/0x43c [ 245.930984][ T5770] show_stack+0x2c/0x3c [ 245.932168][ T5770] __dump_stack+0x30/0x40 [ 245.933422][ T5770] dump_stack_lvl+0xf8/0x160 [ 245.934717][ T5770] dump_stack+0x1c/0x5c [ 245.935927][ T5770] sysfs_create_dir_ns+0x22c/0x24c [ 245.937410][ T5770] kobject_add_internal+0x590/0xc54 [ 245.938826][ T5770] kobject_init_and_add+0x118/0x17c [ 245.940298][ T5770] gfs2_sys_fs_add+0x1dc/0x3d8 [ 245.941669][ T5770] gfs2_fill_super+0xdac/0x19e0 [ 245.943039][ T5770] get_tree_bdev+0x358/0x544 [ 245.944365][ T5770] gfs2_get_tree+0x54/0x1b4 [ 245.945624][ T5770] vfs_get_tree+0x90/0x274 [ 245.946894][ T5770] do_new_mount+0x228/0x810 [ 245.948165][ T5770] path_mount+0x5b4/0x1000 [ 245.949400][ T5770] __arm64_sys_mount+0x514/0x5e4 [ 245.950749][ T5770] invoke_syscall+0x98/0x2b8 [ 245.952094][ T5770] el0_svc_common+0x138/0x258 [ 245.953400][ T5770] do_el0_svc+0x58/0x14c [ 245.954550][ T5770] el0_svc+0x78/0x1e0 [ 245.955683][ T5770] el0t_64_sync_handler+0xcc/0xe4 [ 245.957090][ T5770] el0t_64_sync+0x1a0/0x1a4 [ 245.960593][ T5770] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.964200][ T5770] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.248516][ T5772] loop1: detected capacity change from 0 to 32768 [ 246.290987][ T5772] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.293920][ T5772] CPU: 1 PID: 5772 Comm: syz.1.342 Not tainted 5.15.184-syzkaller #0 [ 246.296317][ T5772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 246.299042][ T5772] Call trace: [ 246.299929][ T5772] dump_backtrace+0x0/0x43c [ 246.301201][ T5772] show_stack+0x2c/0x3c [ 246.302341][ T5772] __dump_stack+0x30/0x40 [ 246.303585][ T5772] dump_stack_lvl+0xf8/0x160 [ 246.304877][ T5772] dump_stack+0x1c/0x5c [ 246.306071][ T5772] sysfs_create_dir_ns+0x22c/0x24c [ 246.307512][ T5772] kobject_add_internal+0x590/0xc54 [ 246.309006][ T5772] kobject_init_and_add+0x118/0x17c [ 246.310475][ T5772] gfs2_sys_fs_add+0x1dc/0x3d8 [ 246.311847][ T5772] gfs2_fill_super+0xdac/0x19e0 [ 246.313208][ T5772] get_tree_bdev+0x358/0x544 [ 246.314446][ T5772] gfs2_get_tree+0x54/0x1b4 [ 246.315724][ T5772] vfs_get_tree+0x90/0x274 [ 246.316962][ T5772] do_new_mount+0x228/0x810 [ 246.318207][ T5772] path_mount+0x5b4/0x1000 [ 246.319485][ T5772] __arm64_sys_mount+0x514/0x5e4 [ 246.320959][ T5772] invoke_syscall+0x98/0x2b8 [ 246.322224][ T5772] el0_svc_common+0x138/0x258 [ 246.323597][ T5772] do_el0_svc+0x58/0x14c [ 246.324759][ T5772] el0_svc+0x78/0x1e0 [ 246.325889][ T5772] el0t_64_sync_handler+0xcc/0xe4 [ 246.327277][ T5772] el0t_64_sync+0x1a0/0x1a4 [ 246.331372][ T5772] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.335026][ T5772] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.662440][ T5774] loop1: detected capacity change from 0 to 32768 [ 246.674613][ T5774] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.676746][ T5774] CPU: 0 PID: 5774 Comm: syz.1.343 Not tainted 5.15.184-syzkaller #0 [ 246.678944][ T5774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 246.681744][ T5774] Call trace: [ 246.682679][ T5774] dump_backtrace+0x0/0x43c [ 246.683936][ T5774] show_stack+0x2c/0x3c [ 246.685055][ T5774] __dump_stack+0x30/0x40 [ 246.686262][ T5774] dump_stack_lvl+0xf8/0x160 [ 246.687538][ T5774] dump_stack+0x1c/0x5c [ 246.688682][ T5774] sysfs_create_dir_ns+0x22c/0x24c [ 246.690056][ T5774] kobject_add_internal+0x590/0xc54 [ 246.691500][ T5774] kobject_init_and_add+0x118/0x17c [ 246.692937][ T5774] gfs2_sys_fs_add+0x1dc/0x3d8 [ 246.694268][ T5774] gfs2_fill_super+0xdac/0x19e0 [ 246.695635][ T5774] get_tree_bdev+0x358/0x544 [ 246.696886][ T5774] gfs2_get_tree+0x54/0x1b4 [ 246.698144][ T5774] vfs_get_tree+0x90/0x274 [ 246.699383][ T5774] do_new_mount+0x228/0x810 [ 246.700631][ T5774] path_mount+0x5b4/0x1000 [ 246.701851][ T5774] __arm64_sys_mount+0x514/0x5e4 [ 246.703239][ T5774] invoke_syscall+0x98/0x2b8 [ 246.704511][ T5774] el0_svc_common+0x138/0x258 [ 246.705775][ T5774] do_el0_svc+0x58/0x14c [ 246.706980][ T5774] el0_svc+0x78/0x1e0 [ 246.708108][ T5774] el0t_64_sync_handler+0xcc/0xe4 [ 246.709490][ T5774] el0t_64_sync+0x1a0/0x1a4 [ 246.711981][ T5774] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.715727][ T5774] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 247.003414][ T5776] loop1: detected capacity change from 0 to 32768 [ 247.053764][ T5776] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.055886][ T5776] CPU: 1 PID: 5776 Comm: syz.1.344 Not tainted 5.15.184-syzkaller #0 [ 247.058170][ T5776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.060980][ T5776] Call trace: [ 247.061915][ T5776] dump_backtrace+0x0/0x43c [ 247.063237][ T5776] show_stack+0x2c/0x3c [ 247.064412][ T5776] __dump_stack+0x30/0x40 [ 247.065614][ T5776] dump_stack_lvl+0xf8/0x160 [ 247.066897][ T5776] dump_stack+0x1c/0x5c [ 247.068043][ T5776] sysfs_create_dir_ns+0x22c/0x24c [ 247.069538][ T5776] kobject_add_internal+0x590/0xc54 [ 247.071046][ T5776] kobject_init_and_add+0x118/0x17c [ 247.072535][ T5776] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.073897][ T5776] gfs2_fill_super+0xdac/0x19e0 [ 247.075287][ T5776] get_tree_bdev+0x358/0x544 [ 247.076592][ T5776] gfs2_get_tree+0x54/0x1b4 [ 247.077863][ T5776] vfs_get_tree+0x90/0x274 [ 247.079099][ T5776] do_new_mount+0x228/0x810 [ 247.080426][ T5776] path_mount+0x5b4/0x1000 [ 247.081686][ T5776] __arm64_sys_mount+0x514/0x5e4 [ 247.083075][ T5776] invoke_syscall+0x98/0x2b8 [ 247.084382][ T5776] el0_svc_common+0x138/0x258 [ 247.085994][ T5776] do_el0_svc+0x58/0x14c [ 247.087199][ T5776] el0_svc+0x78/0x1e0 [ 247.088357][ T5776] el0t_64_sync_handler+0xcc/0xe4 [ 247.089753][ T5776] el0t_64_sync+0x1a0/0x1a4 [ 247.095737][ T5776] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.099586][ T5776] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:07 executed programs: 331 [ 247.378525][ T5778] loop1: detected capacity change from 0 to 32768 [ 247.426842][ T5778] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.429200][ T5778] CPU: 1 PID: 5778 Comm: syz.1.345 Not tainted 5.15.184-syzkaller #0 [ 247.431490][ T5778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.434242][ T5778] Call trace: [ 247.435106][ T5778] dump_backtrace+0x0/0x43c [ 247.436420][ T5778] show_stack+0x2c/0x3c [ 247.437594][ T5778] __dump_stack+0x30/0x40 [ 247.438811][ T5778] dump_stack_lvl+0xf8/0x160 [ 247.440081][ T5778] dump_stack+0x1c/0x5c [ 247.441258][ T5778] sysfs_create_dir_ns+0x22c/0x24c [ 247.442665][ T5778] kobject_add_internal+0x590/0xc54 [ 247.444156][ T5778] kobject_init_and_add+0x118/0x17c [ 247.445625][ T5778] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.446956][ T5778] gfs2_fill_super+0xdac/0x19e0 [ 247.448320][ T5778] get_tree_bdev+0x358/0x544 [ 247.449575][ T5778] gfs2_get_tree+0x54/0x1b4 [ 247.450841][ T5778] vfs_get_tree+0x90/0x274 [ 247.452040][ T5778] do_new_mount+0x228/0x810 [ 247.453286][ T5778] path_mount+0x5b4/0x1000 [ 247.454618][ T5778] __arm64_sys_mount+0x514/0x5e4 [ 247.455990][ T5778] invoke_syscall+0x98/0x2b8 [ 247.457305][ T5778] el0_svc_common+0x138/0x258 [ 247.458566][ T5778] do_el0_svc+0x58/0x14c [ 247.459705][ T5778] el0_svc+0x78/0x1e0 [ 247.460809][ T5778] el0t_64_sync_handler+0xcc/0xe4 [ 247.462186][ T5778] el0t_64_sync+0x1a0/0x1a4 [ 247.463730][ T5778] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.467403][ T5778] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 247.780921][ T5780] loop1: detected capacity change from 0 to 32768 [ 247.836319][ T5780] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.838454][ T5780] CPU: 1 PID: 5780 Comm: syz.1.346 Not tainted 5.15.184-syzkaller #0 [ 247.840699][ T5780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.843519][ T5780] Call trace: [ 247.844448][ T5780] dump_backtrace+0x0/0x43c [ 247.845725][ T5780] show_stack+0x2c/0x3c [ 247.846855][ T5780] __dump_stack+0x30/0x40 [ 247.848049][ T5780] dump_stack_lvl+0xf8/0x160 [ 247.849414][ T5780] dump_stack+0x1c/0x5c [ 247.850570][ T5780] sysfs_create_dir_ns+0x22c/0x24c [ 247.851994][ T5780] kobject_add_internal+0x590/0xc54 [ 247.853534][ T5780] kobject_init_and_add+0x118/0x17c [ 247.855030][ T5780] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.856372][ T5780] gfs2_fill_super+0xdac/0x19e0 [ 247.857720][ T5780] get_tree_bdev+0x358/0x544 [ 247.858972][ T5780] gfs2_get_tree+0x54/0x1b4 [ 247.860303][ T5780] vfs_get_tree+0x90/0x274 [ 247.861524][ T5780] do_new_mount+0x228/0x810 [ 247.862797][ T5780] path_mount+0x5b4/0x1000 [ 247.864034][ T5780] __arm64_sys_mount+0x514/0x5e4 [ 247.865456][ T5780] invoke_syscall+0x98/0x2b8 [ 247.866744][ T5780] el0_svc_common+0x138/0x258 [ 247.868130][ T5780] do_el0_svc+0x58/0x14c [ 247.869384][ T5780] el0_svc+0x78/0x1e0 [ 247.870477][ T5780] el0t_64_sync_handler+0xcc/0xe4 [ 247.871935][ T5780] el0t_64_sync+0x1a0/0x1a4 [ 247.875269][ T5780] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.878987][ T5780] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.146764][ T5782] loop1: detected capacity change from 0 to 32768 [ 248.199845][ T5782] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.202133][ T5782] CPU: 1 PID: 5782 Comm: syz.1.347 Not tainted 5.15.184-syzkaller #0 [ 248.204447][ T5782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 248.207220][ T5782] Call trace: [ 248.208092][ T5782] dump_backtrace+0x0/0x43c [ 248.209347][ T5782] show_stack+0x2c/0x3c [ 248.210494][ T5782] __dump_stack+0x30/0x40 [ 248.211660][ T5782] dump_stack_lvl+0xf8/0x160 [ 248.212933][ T5782] dump_stack+0x1c/0x5c [ 248.214108][ T5782] sysfs_create_dir_ns+0x22c/0x24c [ 248.215567][ T5782] kobject_add_internal+0x590/0xc54 [ 248.217016][ T5782] kobject_init_and_add+0x118/0x17c [ 248.218534][ T5782] gfs2_sys_fs_add+0x1dc/0x3d8 [ 248.219921][ T5782] gfs2_fill_super+0xdac/0x19e0 [ 248.221287][ T5782] get_tree_bdev+0x358/0x544 [ 248.222607][ T5782] gfs2_get_tree+0x54/0x1b4 [ 248.223880][ T5782] vfs_get_tree+0x90/0x274 [ 248.225118][ T5782] do_new_mount+0x228/0x810 [ 248.226415][ T5782] path_mount+0x5b4/0x1000 [ 248.227628][ T5782] __arm64_sys_mount+0x514/0x5e4 [ 248.229028][ T5782] invoke_syscall+0x98/0x2b8 [ 248.230340][ T5782] el0_svc_common+0x138/0x258 [ 248.231680][ T5782] do_el0_svc+0x58/0x14c [ 248.232846][ T5782] el0_svc+0x78/0x1e0 [ 248.233991][ T5782] el0t_64_sync_handler+0xcc/0xe4 [ 248.235437][ T5782] el0t_64_sync+0x1a0/0x1a4 [ 248.239935][ T5782] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.243584][ T5782] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.513480][ T5784] loop1: detected capacity change from 0 to 32768 [ 248.526136][ T5784] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.528272][ T5784] CPU: 0 PID: 5784 Comm: syz.1.348 Not tainted 5.15.184-syzkaller #0 [ 248.530517][ T5784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 248.533242][ T5784] Call trace: [ 248.534129][ T5784] dump_backtrace+0x0/0x43c [ 248.535352][ T5784] show_stack+0x2c/0x3c [ 248.536499][ T5784] __dump_stack+0x30/0x40 [ 248.537713][ T5784] dump_stack_lvl+0xf8/0x160 [ 248.538968][ T5784] dump_stack+0x1c/0x5c [ 248.540119][ T5784] sysfs_create_dir_ns+0x22c/0x24c [ 248.541578][ T5784] kobject_add_internal+0x590/0xc54 [ 248.543021][ T5784] kobject_init_and_add+0x118/0x17c [ 248.544484][ T5784] gfs2_sys_fs_add+0x1dc/0x3d8 [ 248.545829][ T5784] gfs2_fill_super+0xdac/0x19e0 [ 248.547177][ T5784] get_tree_bdev+0x358/0x544 [ 248.548432][ T5784] gfs2_get_tree+0x54/0x1b4 [ 248.549772][ T5784] vfs_get_tree+0x90/0x274 [ 248.551081][ T5784] do_new_mount+0x228/0x810 [ 248.552298][ T5784] path_mount+0x5b4/0x1000 [ 248.553518][ T5784] __arm64_sys_mount+0x514/0x5e4 [ 248.554882][ T5784] invoke_syscall+0x98/0x2b8 [ 248.556160][ T5784] el0_svc_common+0x138/0x258 [ 248.557446][ T5784] do_el0_svc+0x58/0x14c [ 248.558650][ T5784] el0_svc+0x78/0x1e0 [ 248.559865][ T5784] el0t_64_sync_handler+0xcc/0xe4 [ 248.561252][ T5784] el0t_64_sync+0x1a0/0x1a4 [ 248.564670][ T5784] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.568297][ T5784] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.837249][ T5786] loop1: detected capacity change from 0 to 32768 [ 248.888220][ T5786] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.890541][ T5786] CPU: 0 PID: 5786 Comm: syz.1.349 Not tainted 5.15.184-syzkaller #0 [ 248.892782][ T5786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 248.895463][ T5786] Call trace: [ 248.896338][ T5786] dump_backtrace+0x0/0x43c [ 248.897605][ T5786] show_stack+0x2c/0x3c [ 248.898752][ T5786] __dump_stack+0x30/0x40 [ 248.899976][ T5786] dump_stack_lvl+0xf8/0x160 [ 248.901283][ T5786] dump_stack+0x1c/0x5c [ 248.902424][ T5786] sysfs_create_dir_ns+0x22c/0x24c [ 248.903800][ T5786] kobject_add_internal+0x590/0xc54 [ 248.905262][ T5786] kobject_init_and_add+0x118/0x17c [ 248.906710][ T5786] gfs2_sys_fs_add+0x1dc/0x3d8 [ 248.908008][ T5786] gfs2_fill_super+0xdac/0x19e0 [ 248.909382][ T5786] get_tree_bdev+0x358/0x544 [ 248.910678][ T5786] gfs2_get_tree+0x54/0x1b4 [ 248.911908][ T5786] vfs_get_tree+0x90/0x274 [ 248.913164][ T5786] do_new_mount+0x228/0x810 [ 248.914397][ T5786] path_mount+0x5b4/0x1000 [ 248.915606][ T5786] __arm64_sys_mount+0x514/0x5e4 [ 248.916953][ T5786] invoke_syscall+0x98/0x2b8 [ 248.918182][ T5786] el0_svc_common+0x138/0x258 [ 248.919476][ T5786] do_el0_svc+0x58/0x14c [ 248.920677][ T5786] el0_svc+0x78/0x1e0 [ 248.921774][ T5786] el0t_64_sync_handler+0xcc/0xe4 [ 248.923152][ T5786] el0t_64_sync+0x1a0/0x1a4 [ 248.927865][ T5786] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.932029][ T5786] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 249.206430][ T5788] loop1: detected capacity change from 0 to 32768 [ 249.262945][ T5788] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 249.265079][ T5788] CPU: 1 PID: 5788 Comm: syz.1.350 Not tainted 5.15.184-syzkaller #0 [ 249.267329][ T5788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 249.270072][ T5788] Call trace: [ 249.270991][ T5788] dump_backtrace+0x0/0x43c [ 249.272280][ T5788] show_stack+0x2c/0x3c [ 249.273504][ T5788] __dump_stack+0x30/0x40 [ 249.274730][ T5788] dump_stack_lvl+0xf8/0x160 [ 249.276001][ T5788] dump_stack+0x1c/0x5c [ 249.277204][ T5788] sysfs_create_dir_ns+0x22c/0x24c [ 249.278638][ T5788] kobject_add_internal+0x590/0xc54 [ 249.280127][ T5788] kobject_init_and_add+0x118/0x17c [ 249.281594][ T5788] gfs2_sys_fs_add+0x1dc/0x3d8 [ 249.282870][ T5788] gfs2_fill_super+0xdac/0x19e0 [ 249.284258][ T5788] get_tree_bdev+0x358/0x544 [ 249.285529][ T5788] gfs2_get_tree+0x54/0x1b4 [ 249.286802][ T5788] vfs_get_tree+0x90/0x274 [ 249.288007][ T5788] do_new_mount+0x228/0x810 [ 249.289233][ T5788] path_mount+0x5b4/0x1000 [ 249.290454][ T5788] __arm64_sys_mount+0x514/0x5e4 [ 249.291854][ T5788] invoke_syscall+0x98/0x2b8 [ 249.293136][ T5788] el0_svc_common+0x138/0x258 [ 249.294459][ T5788] do_el0_svc+0x58/0x14c [ 249.295615][ T5788] el0_svc+0x78/0x1e0 [ 249.296684][ T5788] el0t_64_sync_handler+0xcc/0xe4 [ 249.298051][ T5788] el0t_64_sync+0x1a0/0x1a4 [ 249.302961][ T5788] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 249.306666][ T5788] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 249.449244][ T27] INFO: task kworker/1:1H:149 blocked for more than 143 seconds. [ 249.451585][ T27] Not tainted 5.15.184-syzkaller #0 [ 249.453134][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 249.455586][ T27] task:kworker/1:1H state:D stack: 0 pid: 149 ppid: 2 flags:0x00000008 [ 249.458199][ T27] Workqueue: glock_workqueue glock_work_func [ 249.466343][ T27] Call trace: [ 249.467269][ T27] __switch_to+0x2f4/0x558 [ 249.468520][ T27] __schedule+0xe00/0x1c0c [ 249.475799][ T27] schedule+0x11c/0x1c8 [ 249.476950][ T27] rwsem_down_write_slowpath+0xcb8/0x13f4 [ 249.478542][ T27] down_write+0xe8/0x12c [ 249.485565][ T27] freeze_super+0x54/0x374 [ 249.486886][ T27] freeze_go_sync+0x128/0x31c [ 249.488173][ T27] do_xmote+0x2ec/0xf90 [ 249.490109][ T27] run_queue+0x3fc/0x6c0 [ 249.491349][ T27] glock_work_func+0x208/0x458 [ 249.492645][ T27] process_one_work+0x79c/0x1140 [ 249.494010][ T27] worker_thread+0x8f4/0x101c [ 249.495391][ T27] kthread+0x374/0x454 [ 249.496523][ T27] ret_from_fork+0x10/0x20 [ 249.497836][ T27] INFO: task syz.0.16:5090 blocked for more than 143 seconds. [ 249.500600][ T27] Not tainted 5.15.184-syzkaller #0 [ 249.502203][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 249.504623][ T27] task:syz.0.16 state:D stack: 0 pid: 5090 ppid: 4840 flags:0x00000009 [ 249.507151][ T27] Call trace: [ 249.508093][ T27] __switch_to+0x2f4/0x558 [ 249.509780][ T27] __schedule+0xe00/0x1c0c [ 249.510987][ T27] schedule+0x11c/0x1c8 [ 249.512120][ T27] schedule_timeout+0xb4/0x2c8 [ 249.513434][ T27] do_wait_for_common+0x1fc/0x35c [ 249.514767][ T27] wait_for_completion+0x48/0x60 [ 249.516170][ T27] flush_workqueue+0x4b8/0x1024 [ 249.517487][ T27] gfs2_gl_hash_clear+0xd0/0x2cc [ 249.518816][ T27] gfs2_fill_super+0x111c/0x19e0 [ 249.522144][ T27] get_tree_bdev+0x358/0x544 [ 249.523452][ T27] gfs2_get_tree+0x54/0x1b4 [ 249.524720][ T27] vfs_get_tree+0x90/0x274 [ 249.525969][ T27] do_new_mount+0x228/0x810 [ 249.527265][ T27] path_mount+0x5b4/0x1000 [ 249.528435][ T27] __arm64_sys_mount+0x514/0x5e4 [ 249.531214][ T27] invoke_syscall+0x98/0x2b8 [ 249.532496][ T27] el0_svc_common+0x138/0x258 [ 249.533758][ T27] do_el0_svc+0x58/0x14c [ 249.534980][ T27] el0_svc+0x78/0x1e0 [ 249.536045][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 249.537518][ T27] el0t_64_sync+0x1a0/0x1a4 [ 249.538940][ T27] [ 249.538940][ T27] Showing all locks held in the system: [ 249.542260][ T27] 1 lock held by khungtaskd/27: [ 249.543582][ T27] #0: ffff8000143211e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 249.546114][ T27] 3 locks held by kworker/1:1H/149: [ 249.547538][ T27] #0: ffff0000c6c8ed38 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 249.551261][ T27] #1: ffff80001be37c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 249.554611][ T27] #2: ffff0000cadc80e0 (&type->s_umount_key#52){+.+.}-{3:3}, at: freeze_super+0x54/0x374 [ 249.557489][ T27] 2 locks held by getty/3804: [ 249.558765][ T27] #0: ffff0000d4630098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 249.562861][ T27] #1: ffff80001bcbe2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 249.565664][ T27] 1 lock held by syz.0.16/5090: [ 249.566965][ T27] #0: ffff0000cadc80e0 (&type->s_umount_key#51/1){+.+.}-{3:3}, at: alloc_super+0x1a8/0x824 [ 249.570756][ T27] 3 locks held by syz.1.351/5790: [ 249.572207][ T27] [ 249.572797][ T27] ============================================= [ 249.572797][ T27] [ 249.575120][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 249.576967][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.184-syzkaller #0 [ 249.579192][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 249.581977][ T27] Call trace: [ 249.582874][ T27] dump_backtrace+0x0/0x43c [ 249.584106][ T27] show_stack+0x2c/0x3c [ 249.585236][ T27] __dump_stack+0x30/0x40 [ 249.586492][ T27] dump_stack_lvl+0xf8/0x160 [ 249.587761][ T27] dump_stack+0x1c/0x5c [ 249.588930][ T27] panic+0x2e4/0x854 [ 249.590000][ T27] hung_task_panic+0x0/0x2c [ 249.591240][ T27] kthread+0x374/0x454 [ 249.592353][ T27] ret_from_fork+0x10/0x20 [ 249.593626][ T27] SMP: stopping secondary CPUs [ 249.594922][ T27] Kernel Offset: disabled [ 249.596121][ T27] CPU features: 0x8,000081c1,21302e40 [ 249.597571][ T27] Memory Limit: none [ 250.298724][ T27] Rebooting in 86400 seconds..