p_backtrace+0x0/0x43c [ 203.133600][ T5352] show_stack+0x2c/0x3c [ 203.134763][ T5352] __dump_stack+0x30/0x40 [ 203.135941][ T5352] dump_stack_lvl+0xf8/0x160 [ 203.137149][ T5352] dump_stack+0x1c/0x5c [ 203.138254][ T5352] sysfs_create_dir_ns+0x22c/0x24c [ 203.139672][ T5352] kobject_add_internal+0x590/0xc54 [ 203.141066][ T5352] kobject_init_and_add+0x118/0x17c [ 203.142486][ T5352] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.143770][ T5352] gfs2_fill_super+0xdac/0x19e0 [ 203.145060][ T5352] get_tree_bdev+0x358/0x544 [ 203.146370][ T5352] gfs2_get_tree+0x54/0x1b4 [ 203.147598][ T5352] vfs_get_tree+0x90/0x274 [ 203.148761][ T5352] do_new_mount+0x228/0x810 [ 203.150042][ T5352] path_mount+0x5b4/0x1000 [ 203.151216][ T5352] __arm64_sys_mount+0x514/0x5e4 [ 203.152568][ T5352] invoke_syscall+0x98/0x2b8 [ 203.153811][ T5352] el0_svc_common+0x138/0x258 [ 203.155070][ T5352] do_el0_svc+0x58/0x14c [ 203.156240][ T5352] el0_svc+0x78/0x1e0 [ 203.157315][ T5352] el0t_64_sync_handler+0xcc/0xe4 [ 203.158636][ T5352] el0t_64_sync+0x1a0/0x1a4 [ 203.162208][ T5352] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.166114][ T5352] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 203.560105][ T5354] loop1: detected capacity change from 0 to 32768 [ 203.568710][ T5354] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 203.570881][ T5354] CPU: 0 PID: 5354 Comm: syz.1.232 Not tainted 5.15.184-syzkaller #0 [ 203.573028][ T5354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 203.575780][ T5354] Call trace: [ 203.576613][ T5354] dump_backtrace+0x0/0x43c [ 203.577842][ T5354] show_stack+0x2c/0x3c [ 203.578916][ T5354] __dump_stack+0x30/0x40 [ 203.580138][ T5354] dump_stack_lvl+0xf8/0x160 [ 203.581363][ T5354] dump_stack+0x1c/0x5c [ 203.582485][ T5354] sysfs_create_dir_ns+0x22c/0x24c [ 203.583836][ T5354] kobject_add_internal+0x590/0xc54 [ 203.585177][ T5354] kobject_init_and_add+0x118/0x17c [ 203.586635][ T5354] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.587884][ T5354] gfs2_fill_super+0xdac/0x19e0 [ 203.589194][ T5354] get_tree_bdev+0x358/0x544 [ 203.590429][ T5354] gfs2_get_tree+0x54/0x1b4 [ 203.591633][ T5354] vfs_get_tree+0x90/0x274 [ 203.592744][ T5354] do_new_mount+0x228/0x810 [ 203.593924][ T5354] path_mount+0x5b4/0x1000 [ 203.595108][ T5354] __arm64_sys_mount+0x514/0x5e4 [ 203.596370][ T5354] invoke_syscall+0x98/0x2b8 [ 203.597606][ T5354] el0_svc_common+0x138/0x258 [ 203.598909][ T5354] do_el0_svc+0x58/0x14c [ 203.600026][ T5354] el0_svc+0x78/0x1e0 [ 203.601083][ T5354] el0t_64_sync_handler+0xcc/0xe4 [ 203.602481][ T5354] el0t_64_sync+0x1a0/0x1a4 [ 203.604097][ T5354] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.607608][ T5354] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:23 executed programs: 219 [ 204.017810][ T5356] loop1: detected capacity change from 0 to 32768 [ 204.082696][ T5356] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.084850][ T5356] CPU: 1 PID: 5356 Comm: syz.1.233 Not tainted 5.15.184-syzkaller #0 [ 204.086978][ T5356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 204.089646][ T5356] Call trace: [ 204.090478][ T5356] dump_backtrace+0x0/0x43c [ 204.091681][ T5356] show_stack+0x2c/0x3c [ 204.092805][ T5356] __dump_stack+0x30/0x40 [ 204.093931][ T5356] dump_stack_lvl+0xf8/0x160 [ 204.095133][ T5356] dump_stack+0x1c/0x5c [ 204.096287][ T5356] sysfs_create_dir_ns+0x22c/0x24c [ 204.097672][ T5356] kobject_add_internal+0x590/0xc54 [ 204.099057][ T5356] kobject_init_and_add+0x118/0x17c [ 204.100444][ T5356] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.101689][ T5356] gfs2_fill_super+0xdac/0x19e0 [ 204.102980][ T5356] get_tree_bdev+0x358/0x544 [ 204.104184][ T5356] gfs2_get_tree+0x54/0x1b4 [ 204.105372][ T5356] vfs_get_tree+0x90/0x274 [ 204.106598][ T5356] do_new_mount+0x228/0x810 [ 204.107818][ T5356] path_mount+0x5b4/0x1000 [ 204.108977][ T5356] __arm64_sys_mount+0x514/0x5e4 [ 204.110306][ T5356] invoke_syscall+0x98/0x2b8 [ 204.111567][ T5356] el0_svc_common+0x138/0x258 [ 204.112861][ T5356] do_el0_svc+0x58/0x14c [ 204.113967][ T5356] el0_svc+0x78/0x1e0 [ 204.115022][ T5356] el0t_64_sync_handler+0xcc/0xe4 [ 204.116408][ T5356] el0t_64_sync+0x1a0/0x1a4 [ 204.120754][ T5356] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.125326][ T5356] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.388372][ T5358] loop1: detected capacity change from 0 to 32768 [ 204.443955][ T5358] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.446012][ T5358] CPU: 0 PID: 5358 Comm: syz.1.234 Not tainted 5.15.184-syzkaller #0 [ 204.448118][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 204.450812][ T5358] Call trace: [ 204.451682][ T5358] dump_backtrace+0x0/0x43c [ 204.452889][ T5358] show_stack+0x2c/0x3c [ 204.453984][ T5358] __dump_stack+0x30/0x40 [ 204.455123][ T5358] dump_stack_lvl+0xf8/0x160 [ 204.456320][ T5358] dump_stack+0x1c/0x5c [ 204.457433][ T5358] sysfs_create_dir_ns+0x22c/0x24c [ 204.458804][ T5358] kobject_add_internal+0x590/0xc54 [ 204.460174][ T5358] kobject_init_and_add+0x118/0x17c [ 204.461565][ T5358] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.462874][ T5358] gfs2_fill_super+0xdac/0x19e0 [ 204.464186][ T5358] get_tree_bdev+0x358/0x544 [ 204.465469][ T5358] gfs2_get_tree+0x54/0x1b4 [ 204.466646][ T5358] vfs_get_tree+0x90/0x274 [ 204.467828][ T5358] do_new_mount+0x228/0x810 [ 204.469064][ T5358] path_mount+0x5b4/0x1000 [ 204.470269][ T5358] __arm64_sys_mount+0x514/0x5e4 [ 204.471813][ T5358] invoke_syscall+0x98/0x2b8 [ 204.473031][ T5358] el0_svc_common+0x138/0x258 [ 204.474281][ T5358] do_el0_svc+0x58/0x14c [ 204.475439][ T5358] el0_svc+0x78/0x1e0 [ 204.476498][ T5358] el0t_64_sync_handler+0xcc/0xe4 [ 204.477910][ T5358] el0t_64_sync+0x1a0/0x1a4 [ 204.480464][ T5358] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.484138][ T5358] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.801009][ T5360] loop1: detected capacity change from 0 to 32768 [ 204.873137][ T5360] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.875314][ T5360] CPU: 0 PID: 5360 Comm: syz.1.235 Not tainted 5.15.184-syzkaller #0 [ 204.877468][ T5360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 204.880150][ T5360] Call trace: [ 204.881006][ T5360] dump_backtrace+0x0/0x43c [ 204.882180][ T5360] show_stack+0x2c/0x3c [ 204.883337][ T5360] __dump_stack+0x30/0x40 [ 204.884522][ T5360] dump_stack_lvl+0xf8/0x160 [ 204.885749][ T5360] dump_stack+0x1c/0x5c [ 204.886879][ T5360] sysfs_create_dir_ns+0x22c/0x24c [ 204.888277][ T5360] kobject_add_internal+0x590/0xc54 [ 204.889719][ T5360] kobject_init_and_add+0x118/0x17c [ 204.891056][ T5360] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.892377][ T5360] gfs2_fill_super+0xdac/0x19e0 [ 204.893740][ T5360] get_tree_bdev+0x358/0x544 [ 204.894962][ T5360] gfs2_get_tree+0x54/0x1b4 [ 204.896161][ T5360] vfs_get_tree+0x90/0x274 [ 204.897315][ T5360] do_new_mount+0x228/0x810 [ 204.898539][ T5360] path_mount+0x5b4/0x1000 [ 204.899728][ T5360] __arm64_sys_mount+0x514/0x5e4 [ 204.901010][ T5360] invoke_syscall+0x98/0x2b8 [ 204.902186][ T5360] el0_svc_common+0x138/0x258 [ 204.903388][ T5360] do_el0_svc+0x58/0x14c [ 204.904548][ T5360] el0_svc+0x78/0x1e0 [ 204.905633][ T5360] el0t_64_sync_handler+0xcc/0xe4 [ 204.906989][ T5360] el0t_64_sync+0x1a0/0x1a4 [ 204.909703][ T5360] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.913568][ T5360] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.177576][ T5362] loop1: detected capacity change from 0 to 32768 [ 205.230267][ T5362] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.232446][ T5362] CPU: 0 PID: 5362 Comm: syz.1.236 Not tainted 5.15.184-syzkaller #0 [ 205.234627][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 205.237289][ T5362] Call trace: [ 205.238185][ T5362] dump_backtrace+0x0/0x43c [ 205.239303][ T5362] show_stack+0x2c/0x3c [ 205.240342][ T5362] __dump_stack+0x30/0x40 [ 205.241499][ T5362] dump_stack_lvl+0xf8/0x160 [ 205.242751][ T5362] dump_stack+0x1c/0x5c [ 205.243860][ T5362] sysfs_create_dir_ns+0x22c/0x24c [ 205.245207][ T5362] kobject_add_internal+0x590/0xc54 [ 205.246639][ T5362] kobject_init_and_add+0x118/0x17c [ 205.248007][ T5362] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.249289][ T5362] gfs2_fill_super+0xdac/0x19e0 [ 205.250627][ T5362] get_tree_bdev+0x358/0x544 [ 205.251857][ T5362] gfs2_get_tree+0x54/0x1b4 [ 205.253042][ T5362] vfs_get_tree+0x90/0x274 [ 205.254226][ T5362] do_new_mount+0x228/0x810 [ 205.255426][ T5362] path_mount+0x5b4/0x1000 [ 205.256606][ T5362] __arm64_sys_mount+0x514/0x5e4 [ 205.257887][ T5362] invoke_syscall+0x98/0x2b8 [ 205.259114][ T5362] el0_svc_common+0x138/0x258 [ 205.260343][ T5362] do_el0_svc+0x58/0x14c [ 205.261511][ T5362] el0_svc+0x78/0x1e0 [ 205.262580][ T5362] el0t_64_sync_handler+0xcc/0xe4 [ 205.263847][ T5362] el0t_64_sync+0x1a0/0x1a4 [ 205.268113][ T5362] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.271526][ T5362] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.543943][ T5364] loop1: detected capacity change from 0 to 32768 [ 205.612718][ T5364] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.614680][ T5364] CPU: 0 PID: 5364 Comm: syz.1.237 Not tainted 5.15.184-syzkaller #0 [ 205.616838][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 205.619416][ T5364] Call trace: [ 205.620295][ T5364] dump_backtrace+0x0/0x43c [ 205.621534][ T5364] show_stack+0x2c/0x3c [ 205.622685][ T5364] __dump_stack+0x30/0x40 [ 205.623811][ T5364] dump_stack_lvl+0xf8/0x160 [ 205.625051][ T5364] dump_stack+0x1c/0x5c [ 205.626137][ T5364] sysfs_create_dir_ns+0x22c/0x24c [ 205.627554][ T5364] kobject_add_internal+0x590/0xc54 [ 205.628967][ T5364] kobject_init_and_add+0x118/0x17c [ 205.630376][ T5364] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.631674][ T5364] gfs2_fill_super+0xdac/0x19e0 [ 205.632942][ T5364] get_tree_bdev+0x358/0x544 [ 205.634225][ T5364] gfs2_get_tree+0x54/0x1b4 [ 205.635433][ T5364] vfs_get_tree+0x90/0x274 [ 205.636572][ T5364] do_new_mount+0x228/0x810 [ 205.637734][ T5364] path_mount+0x5b4/0x1000 [ 205.638912][ T5364] __arm64_sys_mount+0x514/0x5e4 [ 205.640200][ T5364] invoke_syscall+0x98/0x2b8 [ 205.641364][ T5364] el0_svc_common+0x138/0x258 [ 205.642563][ T5364] do_el0_svc+0x58/0x14c [ 205.643677][ T5364] el0_svc+0x78/0x1e0 [ 205.644748][ T5364] el0t_64_sync_handler+0xcc/0xe4 [ 205.646060][ T5364] el0t_64_sync+0x1a0/0x1a4 [ 205.649182][ T5364] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.652703][ T5364] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.913722][ T5366] loop1: detected capacity change from 0 to 32768 [ 205.925916][ T5366] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.927924][ T5366] CPU: 0 PID: 5366 Comm: syz.1.238 Not tainted 5.15.184-syzkaller #0 [ 205.930017][ T5366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 205.932718][ T5366] Call trace: [ 205.933596][ T5366] dump_backtrace+0x0/0x43c [ 205.934838][ T5366] show_stack+0x2c/0x3c [ 205.935975][ T5366] __dump_stack+0x30/0x40 [ 205.937187][ T5366] dump_stack_lvl+0xf8/0x160 [ 205.938367][ T5366] dump_stack+0x1c/0x5c [ 205.939495][ T5366] sysfs_create_dir_ns+0x22c/0x24c [ 205.940905][ T5366] kobject_add_internal+0x590/0xc54 [ 205.942347][ T5366] kobject_init_and_add+0x118/0x17c [ 205.943769][ T5366] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.945013][ T5366] gfs2_fill_super+0xdac/0x19e0 [ 205.946317][ T5366] get_tree_bdev+0x358/0x544 [ 205.947539][ T5366] gfs2_get_tree+0x54/0x1b4 [ 205.948749][ T5366] vfs_get_tree+0x90/0x274 [ 205.949923][ T5366] do_new_mount+0x228/0x810 [ 205.951096][ T5366] path_mount+0x5b4/0x1000 [ 205.952266][ T5366] __arm64_sys_mount+0x514/0x5e4 [ 205.953640][ T5366] invoke_syscall+0x98/0x2b8 [ 205.954885][ T5366] el0_svc_common+0x138/0x258 [ 205.956103][ T5366] do_el0_svc+0x58/0x14c [ 205.957232][ T5366] el0_svc+0x78/0x1e0 [ 205.958262][ T5366] el0t_64_sync_handler+0xcc/0xe4 [ 205.959603][ T5366] el0t_64_sync+0x1a0/0x1a4 [ 205.962861][ T5366] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.966357][ T5366] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.238811][ T5368] loop1: detected capacity change from 0 to 32768 [ 206.273863][ T5368] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.276284][ T5368] CPU: 0 PID: 5368 Comm: syz.1.239 Not tainted 5.15.184-syzkaller #0 [ 206.278451][ T5368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 206.281195][ T5368] Call trace: [ 206.282115][ T5368] dump_backtrace+0x0/0x43c [ 206.283350][ T5368] show_stack+0x2c/0x3c [ 206.284531][ T5368] __dump_stack+0x30/0x40 [ 206.285712][ T5368] dump_stack_lvl+0xf8/0x160 [ 206.286967][ T5368] dump_stack+0x1c/0x5c [ 206.288106][ T5368] sysfs_create_dir_ns+0x22c/0x24c [ 206.289507][ T5368] kobject_add_internal+0x590/0xc54 [ 206.290951][ T5368] kobject_init_and_add+0x118/0x17c [ 206.292390][ T5368] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.293742][ T5368] gfs2_fill_super+0xdac/0x19e0 [ 206.295049][ T5368] get_tree_bdev+0x358/0x544 [ 206.296262][ T5368] gfs2_get_tree+0x54/0x1b4 [ 206.297514][ T5368] vfs_get_tree+0x90/0x274 [ 206.298730][ T5368] do_new_mount+0x228/0x810 [ 206.299927][ T5368] path_mount+0x5b4/0x1000 [ 206.301182][ T5368] __arm64_sys_mount+0x514/0x5e4 [ 206.302532][ T5368] invoke_syscall+0x98/0x2b8 [ 206.303802][ T5368] el0_svc_common+0x138/0x258 [ 206.305080][ T5368] do_el0_svc+0x58/0x14c [ 206.306229][ T5368] el0_svc+0x78/0x1e0 [ 206.307311][ T5368] el0t_64_sync_handler+0xcc/0xe4 [ 206.308707][ T5368] el0t_64_sync+0x1a0/0x1a4 [ 206.312688][ T5368] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.316276][ T5368] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.632618][ T5370] loop1: detected capacity change from 0 to 32768 [ 206.640083][ T5370] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.643000][ T5370] CPU: 1 PID: 5370 Comm: syz.1.240 Not tainted 5.15.184-syzkaller #0 [ 206.645170][ T5370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 206.647838][ T5370] Call trace: [ 206.648734][ T5370] dump_backtrace+0x0/0x43c [ 206.649931][ T5370] show_stack+0x2c/0x3c [ 206.651026][ T5370] __dump_stack+0x30/0x40 [ 206.652167][ T5370] dump_stack_lvl+0xf8/0x160 [ 206.653366][ T5370] dump_stack+0x1c/0x5c [ 206.654527][ T5370] sysfs_create_dir_ns+0x22c/0x24c [ 206.655924][ T5370] kobject_add_internal+0x590/0xc54 [ 206.657343][ T5370] kobject_init_and_add+0x118/0x17c [ 206.658776][ T5370] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.660136][ T5370] gfs2_fill_super+0xdac/0x19e0 [ 206.661480][ T5370] get_tree_bdev+0x358/0x544 [ 206.662770][ T5370] gfs2_get_tree+0x54/0x1b4 [ 206.664030][ T5370] vfs_get_tree+0x90/0x274 [ 206.665210][ T5370] do_new_mount+0x228/0x810 [ 206.666458][ T5370] path_mount+0x5b4/0x1000 [ 206.667716][ T5370] __arm64_sys_mount+0x514/0x5e4 [ 206.669050][ T5370] invoke_syscall+0x98/0x2b8 [ 206.670289][ T5370] el0_svc_common+0x138/0x258 [ 206.671647][ T5370] do_el0_svc+0x58/0x14c [ 206.672807][ T5370] el0_svc+0x78/0x1e0 [ 206.673917][ T5370] el0t_64_sync_handler+0xcc/0xe4 [ 206.675271][ T5370] el0t_64_sync+0x1a0/0x1a4 [ 206.679015][ T5370] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.682615][ T5370] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.958215][ T5372] loop1: detected capacity change from 0 to 32768 [ 206.994659][ T5372] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.996680][ T5372] CPU: 1 PID: 5372 Comm: syz.1.241 Not tainted 5.15.184-syzkaller #0 [ 206.998780][ T5372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 207.001556][ T5372] Call trace: [ 207.002419][ T5372] dump_backtrace+0x0/0x43c [ 207.003654][ T5372] show_stack+0x2c/0x3c [ 207.004795][ T5372] __dump_stack+0x30/0x40 [ 207.005961][ T5372] dump_stack_lvl+0xf8/0x160 [ 207.007156][ T5372] dump_stack+0x1c/0x5c [ 207.008268][ T5372] sysfs_create_dir_ns+0x22c/0x24c [ 207.009649][ T5372] kobject_add_internal+0x590/0xc54 [ 207.011059][ T5372] kobject_init_and_add+0x118/0x17c [ 207.012424][ T5372] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.013705][ T5372] gfs2_fill_super+0xdac/0x19e0 [ 207.015006][ T5372] get_tree_bdev+0x358/0x544 [ 207.016237][ T5372] gfs2_get_tree+0x54/0x1b4 [ 207.017414][ T5372] vfs_get_tree+0x90/0x274 [ 207.018571][ T5372] do_new_mount+0x228/0x810 [ 207.019778][ T5372] path_mount+0x5b4/0x1000 [ 207.020966][ T5372] __arm64_sys_mount+0x514/0x5e4 [ 207.022297][ T5372] invoke_syscall+0x98/0x2b8 [ 207.023544][ T5372] el0_svc_common+0x138/0x258 [ 207.024794][ T5372] do_el0_svc+0x58/0x14c [ 207.025909][ T5372] el0_svc+0x78/0x1e0 [ 207.026925][ T5372] el0t_64_sync_handler+0xcc/0xe4 [ 207.028234][ T5372] el0t_64_sync+0x1a0/0x1a4 [ 207.044457][ T5372] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.047980][ T5372] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.314731][ T5374] loop1: detected capacity change from 0 to 32768 [ 207.372841][ T5374] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.374890][ T5374] CPU: 0 PID: 5374 Comm: syz.1.242 Not tainted 5.15.184-syzkaller #0 [ 207.377032][ T5374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 207.379732][ T5374] Call trace: [ 207.380621][ T5374] dump_backtrace+0x0/0x43c [ 207.381844][ T5374] show_stack+0x2c/0x3c [ 207.382951][ T5374] __dump_stack+0x30/0x40 [ 207.384108][ T5374] dump_stack_lvl+0xf8/0x160 [ 207.385311][ T5374] dump_stack+0x1c/0x5c [ 207.386431][ T5374] sysfs_create_dir_ns+0x22c/0x24c [ 207.387743][ T5374] kobject_add_internal+0x590/0xc54 [ 207.389108][ T5374] kobject_init_and_add+0x118/0x17c [ 207.390451][ T5374] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.391743][ T5374] gfs2_fill_super+0xdac/0x19e0 [ 207.393015][ T5374] get_tree_bdev+0x358/0x544 [ 207.394227][ T5374] gfs2_get_tree+0x54/0x1b4 [ 207.395490][ T5374] vfs_get_tree+0x90/0x274 [ 207.396730][ T5374] do_new_mount+0x228/0x810 [ 207.397903][ T5374] path_mount+0x5b4/0x1000 [ 207.399111][ T5374] __arm64_sys_mount+0x514/0x5e4 [ 207.400433][ T5374] invoke_syscall+0x98/0x2b8 [ 207.401672][ T5374] el0_svc_common+0x138/0x258 [ 207.402948][ T5374] do_el0_svc+0x58/0x14c [ 207.404136][ T5374] el0_svc+0x78/0x1e0 [ 207.405197][ T5374] el0t_64_sync_handler+0xcc/0xe4 [ 207.406547][ T5374] el0t_64_sync+0x1a0/0x1a4 [ 207.408580][ T5374] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.411997][ T5374] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.717238][ T5376] loop1: detected capacity change from 0 to 32768 [ 207.721287][ T5376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.724572][ T5376] CPU: 0 PID: 5376 Comm: syz.1.243 Not tainted 5.15.184-syzkaller #0 [ 207.726745][ T5376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 207.729404][ T5376] Call trace: [ 207.730245][ T5376] dump_backtrace+0x0/0x43c [ 207.731500][ T5376] show_stack+0x2c/0x3c [ 207.732593][ T5376] __dump_stack+0x30/0x40 [ 207.733761][ T5376] dump_stack_lvl+0xf8/0x160 [ 207.735039][ T5376] dump_stack+0x1c/0x5c [ 207.736173][ T5376] sysfs_create_dir_ns+0x22c/0x24c [ 207.737583][ T5376] kobject_add_internal+0x590/0xc54 [ 207.739003][ T5376] kobject_init_and_add+0x118/0x17c [ 207.740365][ T5376] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.741637][ T5376] gfs2_fill_super+0xdac/0x19e0 [ 207.742942][ T5376] get_tree_bdev+0x358/0x544 [ 207.744192][ T5376] gfs2_get_tree+0x54/0x1b4 [ 207.745370][ T5376] vfs_get_tree+0x90/0x274 [ 207.746572][ T5376] do_new_mount+0x228/0x810 [ 207.747768][ T5376] path_mount+0x5b4/0x1000 [ 207.748972][ T5376] __arm64_sys_mount+0x514/0x5e4 [ 207.750292][ T5376] invoke_syscall+0x98/0x2b8 [ 207.751490][ T5376] el0_svc_common+0x138/0x258 [ 207.752706][ T5376] do_el0_svc+0x58/0x14c [ 207.753841][ T5376] el0_svc+0x78/0x1e0 [ 207.754997][ T5376] el0t_64_sync_handler+0xcc/0xe4 [ 207.756354][ T5376] el0t_64_sync+0x1a0/0x1a4 [ 207.757897][ T5376] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.761453][ T5376] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.090811][ T5378] loop1: detected capacity change from 0 to 32768 [ 208.143519][ T5378] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.145526][ T5378] CPU: 0 PID: 5378 Comm: syz.1.244 Not tainted 5.15.184-syzkaller #0 [ 208.147686][ T5378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 208.150377][ T5378] Call trace: [ 208.151218][ T5378] dump_backtrace+0x0/0x43c [ 208.152487][ T5378] show_stack+0x2c/0x3c [ 208.153589][ T5378] __dump_stack+0x30/0x40 [ 208.154739][ T5378] dump_stack_lvl+0xf8/0x160 [ 208.156004][ T5378] dump_stack+0x1c/0x5c [ 208.157080][ T5378] sysfs_create_dir_ns+0x22c/0x24c [ 208.158439][ T5378] kobject_add_internal+0x590/0xc54 [ 208.159781][ T5378] kobject_init_and_add+0x118/0x17c [ 208.161124][ T5378] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.162432][ T5378] gfs2_fill_super+0xdac/0x19e0 [ 208.163722][ T5378] get_tree_bdev+0x358/0x544 [ 208.164929][ T5378] gfs2_get_tree+0x54/0x1b4 [ 208.166116][ T5378] vfs_get_tree+0x90/0x274 [ 208.167327][ T5378] do_new_mount+0x228/0x810 [ 208.168530][ T5378] path_mount+0x5b4/0x1000 [ 208.169729][ T5378] __arm64_sys_mount+0x514/0x5e4 [ 208.170999][ T5378] invoke_syscall+0x98/0x2b8 [ 208.172197][ T5378] el0_svc_common+0x138/0x258 [ 208.173413][ T5378] do_el0_svc+0x58/0x14c [ 208.174517][ T5378] el0_svc+0x78/0x1e0 [ 208.175573][ T5378] el0t_64_sync_handler+0xcc/0xe4 [ 208.176914][ T5378] el0t_64_sync+0x1a0/0x1a4 [ 208.179550][ T5378] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.183133][ T5378] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.497425][ T5380] loop1: detected capacity change from 0 to 32768 [ 208.536999][ T5380] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.539006][ T5380] CPU: 0 PID: 5380 Comm: syz.1.245 Not tainted 5.15.184-syzkaller #0 [ 208.541060][ T5380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 208.543720][ T5380] Call trace: [ 208.544602][ T5380] dump_backtrace+0x0/0x43c [ 208.545780][ T5380] show_stack+0x2c/0x3c [ 208.546847][ T5380] __dump_stack+0x30/0x40 [ 208.548000][ T5380] dump_stack_lvl+0xf8/0x160 [ 208.549212][ T5380] dump_stack+0x1c/0x5c [ 208.550329][ T5380] sysfs_create_dir_ns+0x22c/0x24c [ 208.551746][ T5380] kobject_add_internal+0x590/0xc54 [ 208.553173][ T5380] kobject_init_and_add+0x118/0x17c [ 208.554596][ T5380] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.555892][ T5380] gfs2_fill_super+0xdac/0x19e0 [ 208.557191][ T5380] get_tree_bdev+0x358/0x544 [ 208.558455][ T5380] gfs2_get_tree+0x54/0x1b4 [ 208.559682][ T5380] vfs_get_tree+0x90/0x274 [ 208.560852][ T5380] do_new_mount+0x228/0x810 [ 208.562031][ T5380] path_mount+0x5b4/0x1000 [ 208.563215][ T5380] __arm64_sys_mount+0x514/0x5e4 [ 208.564526][ T5380] invoke_syscall+0x98/0x2b8 [ 208.565763][ T5380] el0_svc_common+0x138/0x258 [ 208.567016][ T5380] do_el0_svc+0x58/0x14c [ 208.568145][ T5380] el0_svc+0x78/0x1e0 [ 208.569184][ T5380] el0t_64_sync_handler+0xcc/0xe4 [ 208.570554][ T5380] el0t_64_sync+0x1a0/0x1a4 [ 208.577875][ T5380] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.581427][ T5380] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.861533][ T5382] loop1: detected capacity change from 0 to 32768 [ 208.910660][ T5382] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.914154][ T5382] CPU: 1 PID: 5382 Comm: syz.1.246 Not tainted 5.15.184-syzkaller #0 [ 208.916507][ T5382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 208.919553][ T5382] Call trace: [ 208.920383][ T5382] dump_backtrace+0x0/0x43c [ 208.921599][ T5382] show_stack+0x2c/0x3c [ 208.922728][ T5382] __dump_stack+0x30/0x40 [ 208.923958][ T5382] dump_stack_lvl+0xf8/0x160 [ 208.925264][ T5382] dump_stack+0x1c/0x5c [ 208.926409][ T5382] sysfs_create_dir_ns+0x22c/0x24c [ 208.927781][ T5382] kobject_add_internal+0x590/0xc54 [ 208.929188][ T5382] kobject_init_and_add+0x118/0x17c [ 208.930560][ T5382] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.931839][ T5382] gfs2_fill_super+0xdac/0x19e0 [ 208.933126][ T5382] get_tree_bdev+0x358/0x544 [ 208.934316][ T5382] gfs2_get_tree+0x54/0x1b4 [ 208.935509][ T5382] vfs_get_tree+0x90/0x274 [ 208.936717][ T5382] do_new_mount+0x228/0x810 [ 208.937905][ T5382] path_mount+0x5b4/0x1000 [ 208.939046][ T5382] __arm64_sys_mount+0x514/0x5e4 [ 208.940379][ T5382] invoke_syscall+0x98/0x2b8 [ 208.941619][ T5382] el0_svc_common+0x138/0x258 [ 208.942868][ T5382] do_el0_svc+0x58/0x14c [ 208.944013][ T5382] el0_svc+0x78/0x1e0 [ 208.945061][ T5382] el0t_64_sync_handler+0xcc/0xe4 [ 208.946383][ T5382] el0t_64_sync+0x1a0/0x1a4 [ 208.949243][ T5382] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.952922][ T5382] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:28 executed programs: 233 [ 209.224169][ T5384] loop1: detected capacity change from 0 to 32768 [ 209.303616][ T5384] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.305670][ T5384] CPU: 0 PID: 5384 Comm: syz.1.247 Not tainted 5.15.184-syzkaller #0 [ 209.307835][ T5384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 209.310573][ T5384] Call trace: [ 209.311439][ T5384] dump_backtrace+0x0/0x43c [ 209.312624][ T5384] show_stack+0x2c/0x3c [ 209.313687][ T5384] __dump_stack+0x30/0x40 [ 209.314831][ T5384] dump_stack_lvl+0xf8/0x160 [ 209.316042][ T5384] dump_stack+0x1c/0x5c [ 209.317155][ T5384] sysfs_create_dir_ns+0x22c/0x24c [ 209.318505][ T5384] kobject_add_internal+0x590/0xc54 [ 209.319936][ T5384] kobject_init_and_add+0x118/0x17c [ 209.321317][ T5384] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.322544][ T5384] gfs2_fill_super+0xdac/0x19e0 [ 209.323841][ T5384] get_tree_bdev+0x358/0x544 [ 209.325037][ T5384] gfs2_get_tree+0x54/0x1b4 [ 209.326260][ T5384] vfs_get_tree+0x90/0x274 [ 209.327462][ T5384] do_new_mount+0x228/0x810 [ 209.328648][ T5384] path_mount+0x5b4/0x1000 [ 209.329797][ T5384] __arm64_sys_mount+0x514/0x5e4 [ 209.331147][ T5384] invoke_syscall+0x98/0x2b8 [ 209.332382][ T5384] el0_svc_common+0x138/0x258 [ 209.333603][ T5384] do_el0_svc+0x58/0x14c [ 209.334735][ T5384] el0_svc+0x78/0x1e0 [ 209.335826][ T5384] el0t_64_sync_handler+0xcc/0xe4 [ 209.337144][ T5384] el0t_64_sync+0x1a0/0x1a4 [ 209.339407][ T5384] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.343032][ T5384] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.623883][ T5386] loop1: detected capacity change from 0 to 32768 [ 209.671177][ T5386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.673238][ T5386] CPU: 0 PID: 5386 Comm: syz.1.248 Not tainted 5.15.184-syzkaller #0 [ 209.675374][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 209.678151][ T5386] Call trace: [ 209.678983][ T5386] dump_backtrace+0x0/0x43c [ 209.680097][ T5386] show_stack+0x2c/0x3c [ 209.681187][ T5386] __dump_stack+0x30/0x40 [ 209.682299][ T5386] dump_stack_lvl+0xf8/0x160 [ 209.683611][ T5386] dump_stack+0x1c/0x5c [ 209.684822][ T5386] sysfs_create_dir_ns+0x22c/0x24c [ 209.686206][ T5386] kobject_add_internal+0x590/0xc54 [ 209.687629][ T5386] kobject_init_and_add+0x118/0x17c [ 209.689032][ T5386] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.690267][ T5386] gfs2_fill_super+0xdac/0x19e0 [ 209.691608][ T5386] get_tree_bdev+0x358/0x544 [ 209.692875][ T5386] gfs2_get_tree+0x54/0x1b4 [ 209.694053][ T5386] vfs_get_tree+0x90/0x274 [ 209.695267][ T5386] do_new_mount+0x228/0x810 [ 209.696516][ T5386] path_mount+0x5b4/0x1000 [ 209.697702][ T5386] __arm64_sys_mount+0x514/0x5e4 [ 209.699078][ T5386] invoke_syscall+0x98/0x2b8 [ 209.700280][ T5386] el0_svc_common+0x138/0x258 [ 209.701548][ T5386] do_el0_svc+0x58/0x14c [ 209.702642][ T5386] el0_svc+0x78/0x1e0 [ 209.703688][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 209.705032][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 209.710666][ T5386] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.714228][ T5386] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.978344][ T5390] loop1: detected capacity change from 0 to 32768 [ 210.030291][ T5390] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.032320][ T5390] CPU: 0 PID: 5390 Comm: syz.1.249 Not tainted 5.15.184-syzkaller #0 [ 210.034518][ T5390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 210.037185][ T5390] Call trace: [ 210.038080][ T5390] dump_backtrace+0x0/0x43c [ 210.039352][ T5390] show_stack+0x2c/0x3c [ 210.040518][ T5390] __dump_stack+0x30/0x40 [ 210.041708][ T5390] dump_stack_lvl+0xf8/0x160 [ 210.042947][ T5390] dump_stack+0x1c/0x5c [ 210.044069][ T5390] sysfs_create_dir_ns+0x22c/0x24c [ 210.045388][ T5390] kobject_add_internal+0x590/0xc54 [ 210.046816][ T5390] kobject_init_and_add+0x118/0x17c [ 210.048211][ T5390] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.049534][ T5390] gfs2_fill_super+0xdac/0x19e0 [ 210.050837][ T5390] get_tree_bdev+0x358/0x544 [ 210.052101][ T5390] gfs2_get_tree+0x54/0x1b4 [ 210.053330][ T5390] vfs_get_tree+0x90/0x274 [ 210.054571][ T5390] do_new_mount+0x228/0x810 [ 210.055741][ T5390] path_mount+0x5b4/0x1000 [ 210.056934][ T5390] __arm64_sys_mount+0x514/0x5e4 [ 210.058216][ T5390] invoke_syscall+0x98/0x2b8 [ 210.059465][ T5390] el0_svc_common+0x138/0x258 [ 210.060747][ T5390] do_el0_svc+0x58/0x14c [ 210.061874][ T5390] el0_svc+0x78/0x1e0 [ 210.062876][ T5390] el0t_64_sync_handler+0xcc/0xe4 [ 210.064167][ T5390] el0t_64_sync+0x1a0/0x1a4 [ 210.067977][ T5390] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.071448][ T5390] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.347064][ T5392] loop1: detected capacity change from 0 to 32768 [ 210.403987][ T5392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.405998][ T5392] CPU: 1 PID: 5392 Comm: syz.1.250 Not tainted 5.15.184-syzkaller #0 [ 210.408105][ T5392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 210.410795][ T5392] Call trace: [ 210.411646][ T5392] dump_backtrace+0x0/0x43c [ 210.412840][ T5392] show_stack+0x2c/0x3c [ 210.413910][ T5392] __dump_stack+0x30/0x40 [ 210.415054][ T5392] dump_stack_lvl+0xf8/0x160 [ 210.416283][ T5392] dump_stack+0x1c/0x5c [ 210.417388][ T5392] sysfs_create_dir_ns+0x22c/0x24c [ 210.418791][ T5392] kobject_add_internal+0x590/0xc54 [ 210.420198][ T5392] kobject_init_and_add+0x118/0x17c [ 210.421541][ T5392] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.422811][ T5392] gfs2_fill_super+0xdac/0x19e0 [ 210.424129][ T5392] get_tree_bdev+0x358/0x544 [ 210.425359][ T5392] gfs2_get_tree+0x54/0x1b4 [ 210.426534][ T5392] vfs_get_tree+0x90/0x274 [ 210.427704][ T5392] do_new_mount+0x228/0x810 [ 210.428898][ T5392] path_mount+0x5b4/0x1000 [ 210.430152][ T5392] __arm64_sys_mount+0x514/0x5e4 [ 210.431418][ T5392] invoke_syscall+0x98/0x2b8 [ 210.432642][ T5392] el0_svc_common+0x138/0x258 [ 210.433858][ T5392] do_el0_svc+0x58/0x14c [ 210.434989][ T5392] el0_svc+0x78/0x1e0 [ 210.436089][ T5392] el0t_64_sync_handler+0xcc/0xe4 [ 210.437414][ T5392] el0t_64_sync+0x1a0/0x1a4 [ 210.440706][ T5392] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.444508][ T5392] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.725039][ T5394] loop1: detected capacity change from 0 to 32768 [ 210.777047][ T5394] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.779100][ T5394] CPU: 1 PID: 5394 Comm: syz.1.251 Not tainted 5.15.184-syzkaller #0 [ 210.781288][ T5394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 210.783952][ T5394] Call trace: [ 210.784819][ T5394] dump_backtrace+0x0/0x43c [ 210.786003][ T5394] show_stack+0x2c/0x3c [ 210.787095][ T5394] __dump_stack+0x30/0x40 [ 210.788221][ T5394] dump_stack_lvl+0xf8/0x160 [ 210.789550][ T5394] dump_stack+0x1c/0x5c [ 210.790579][ T5394] sysfs_create_dir_ns+0x22c/0x24c [ 210.792008][ T5394] kobject_add_internal+0x590/0xc54 [ 210.793371][ T5394] kobject_init_and_add+0x118/0x17c [ 210.794724][ T5394] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.796003][ T5394] gfs2_fill_super+0xdac/0x19e0 [ 210.797344][ T5394] get_tree_bdev+0x358/0x544 [ 210.798558][ T5394] gfs2_get_tree+0x54/0x1b4 [ 210.799731][ T5394] vfs_get_tree+0x90/0x274 [ 210.800890][ T5394] do_new_mount+0x228/0x810 [ 210.802042][ T5394] path_mount+0x5b4/0x1000 [ 210.803181][ T5394] __arm64_sys_mount+0x514/0x5e4 [ 210.804478][ T5394] invoke_syscall+0x98/0x2b8 [ 210.805690][ T5394] el0_svc_common+0x138/0x258 [ 210.806935][ T5394] do_el0_svc+0x58/0x14c [ 210.808057][ T5394] el0_svc+0x78/0x1e0 [ 210.809102][ T5394] el0t_64_sync_handler+0xcc/0xe4 [ 210.810428][ T5394] el0t_64_sync+0x1a0/0x1a4 [ 210.814725][ T5394] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.818100][ T5394] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.097327][ T5397] loop1: detected capacity change from 0 to 32768 [ 211.146692][ T5397] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.148698][ T5397] CPU: 0 PID: 5397 Comm: syz.1.252 Not tainted 5.15.184-syzkaller #0 [ 211.150826][ T5397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 211.153372][ T5397] Call trace: [ 211.154261][ T5397] dump_backtrace+0x0/0x43c [ 211.155503][ T5397] show_stack+0x2c/0x3c [ 211.156617][ T5397] __dump_stack+0x30/0x40 [ 211.157749][ T5397] dump_stack_lvl+0xf8/0x160 [ 211.158937][ T5397] dump_stack+0x1c/0x5c [ 211.160041][ T5397] sysfs_create_dir_ns+0x22c/0x24c [ 211.161417][ T5397] kobject_add_internal+0x590/0xc54 [ 211.162880][ T5397] kobject_init_and_add+0x118/0x17c [ 211.164229][ T5397] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.165486][ T5397] gfs2_fill_super+0xdac/0x19e0 [ 211.166800][ T5397] get_tree_bdev+0x358/0x544 [ 211.168026][ T5397] gfs2_get_tree+0x54/0x1b4 [ 211.169237][ T5397] vfs_get_tree+0x90/0x274 [ 211.170483][ T5397] do_new_mount+0x228/0x810 [ 211.171666][ T5397] path_mount+0x5b4/0x1000 [ 211.172831][ T5397] __arm64_sys_mount+0x514/0x5e4 [ 211.174106][ T5397] invoke_syscall+0x98/0x2b8 [ 211.175342][ T5397] el0_svc_common+0x138/0x258 [ 211.176608][ T5397] do_el0_svc+0x58/0x14c [ 211.177749][ T5397] el0_svc+0x78/0x1e0 [ 211.178801][ T5397] el0t_64_sync_handler+0xcc/0xe4 [ 211.180177][ T5397] el0t_64_sync+0x1a0/0x1a4 [ 211.184818][ T5397] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.188229][ T5397] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.451957][ T5400] loop1: detected capacity change from 0 to 32768 [ 211.502801][ T5400] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.504838][ T5400] CPU: 0 PID: 5400 Comm: syz.1.253 Not tainted 5.15.184-syzkaller #0 [ 211.507017][ T5400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 211.509737][ T5400] Call trace: [ 211.510577][ T5400] dump_backtrace+0x0/0x43c [ 211.511814][ T5400] show_stack+0x2c/0x3c [ 211.512887][ T5400] __dump_stack+0x30/0x40 [ 211.514038][ T5400] dump_stack_lvl+0xf8/0x160 [ 211.515238][ T5400] dump_stack+0x1c/0x5c [ 211.516366][ T5400] sysfs_create_dir_ns+0x22c/0x24c [ 211.517795][ T5400] kobject_add_internal+0x590/0xc54 [ 211.519206][ T5400] kobject_init_and_add+0x118/0x17c [ 211.520636][ T5400] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.521873][ T5400] gfs2_fill_super+0xdac/0x19e0 [ 211.523164][ T5400] get_tree_bdev+0x358/0x544 [ 211.524389][ T5400] gfs2_get_tree+0x54/0x1b4 [ 211.525582][ T5400] vfs_get_tree+0x90/0x274 [ 211.526840][ T5400] do_new_mount+0x228/0x810 [ 211.528022][ T5400] path_mount+0x5b4/0x1000 [ 211.529190][ T5400] __arm64_sys_mount+0x514/0x5e4 [ 211.530512][ T5400] invoke_syscall+0x98/0x2b8 [ 211.531765][ T5400] el0_svc_common+0x138/0x258 [ 211.533075][ T5400] do_el0_svc+0x58/0x14c [ 211.534230][ T5400] el0_svc+0x78/0x1e0 [ 211.535303][ T5400] el0t_64_sync_handler+0xcc/0xe4 [ 211.536689][ T5400] el0t_64_sync+0x1a0/0x1a4 [ 211.538201][ T5400] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.541779][ T5400] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.809261][ T5403] loop1: detected capacity change from 0 to 32768 [ 211.844622][ T5403] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.846646][ T5403] CPU: 0 PID: 5403 Comm: syz.1.254 Not tainted 5.15.184-syzkaller #0 [ 211.848878][ T5403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 211.851495][ T5403] Call trace: [ 211.852282][ T5403] dump_backtrace+0x0/0x43c [ 211.853517][ T5403] show_stack+0x2c/0x3c [ 211.854608][ T5403] __dump_stack+0x30/0x40 [ 211.855784][ T5403] dump_stack_lvl+0xf8/0x160 [ 211.857010][ T5403] dump_stack+0x1c/0x5c [ 211.858103][ T5403] sysfs_create_dir_ns+0x22c/0x24c [ 211.859521][ T5403] kobject_add_internal+0x590/0xc54 [ 211.860909][ T5403] kobject_init_and_add+0x118/0x17c [ 211.862294][ T5403] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.863599][ T5403] gfs2_fill_super+0xdac/0x19e0 [ 211.864880][ T5403] get_tree_bdev+0x358/0x544 [ 211.866087][ T5403] gfs2_get_tree+0x54/0x1b4 [ 211.867309][ T5403] vfs_get_tree+0x90/0x274 [ 211.868469][ T5403] do_new_mount+0x228/0x810 [ 211.869685][ T5403] path_mount+0x5b4/0x1000 [ 211.870878][ T5403] __arm64_sys_mount+0x514/0x5e4 [ 211.872176][ T5403] invoke_syscall+0x98/0x2b8 [ 211.873467][ T5403] el0_svc_common+0x138/0x258 [ 211.874742][ T5403] do_el0_svc+0x58/0x14c [ 211.875865][ T5403] el0_svc+0x78/0x1e0 [ 211.876933][ T5403] el0t_64_sync_handler+0xcc/0xe4 [ 211.878332][ T5403] el0t_64_sync+0x1a0/0x1a4 [ 211.881407][ T5403] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.886209][ T5403] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.161812][ T5405] loop1: detected capacity change from 0 to 32768 [ 212.206890][ T5405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.208867][ T5405] CPU: 1 PID: 5405 Comm: syz.1.255 Not tainted 5.15.184-syzkaller #0 [ 212.211039][ T5405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.213693][ T5405] Call trace: [ 212.214584][ T5405] dump_backtrace+0x0/0x43c [ 212.215794][ T5405] show_stack+0x2c/0x3c [ 212.216888][ T5405] __dump_stack+0x30/0x40 [ 212.218020][ T5405] dump_stack_lvl+0xf8/0x160 [ 212.219279][ T5405] dump_stack+0x1c/0x5c [ 212.220419][ T5405] sysfs_create_dir_ns+0x22c/0x24c [ 212.221815][ T5405] kobject_add_internal+0x590/0xc54 [ 212.223172][ T5405] kobject_init_and_add+0x118/0x17c [ 212.224541][ T5405] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.225815][ T5405] gfs2_fill_super+0xdac/0x19e0 [ 212.227052][ T5405] get_tree_bdev+0x358/0x544 [ 212.228339][ T5405] gfs2_get_tree+0x54/0x1b4 [ 212.229565][ T5405] vfs_get_tree+0x90/0x274 [ 212.230741][ T5405] do_new_mount+0x228/0x810 [ 212.231932][ T5405] path_mount+0x5b4/0x1000 [ 212.233107][ T5405] __arm64_sys_mount+0x514/0x5e4 [ 212.234422][ T5405] invoke_syscall+0x98/0x2b8 [ 212.235697][ T5405] el0_svc_common+0x138/0x258 [ 212.236965][ T5405] do_el0_svc+0x58/0x14c [ 212.238047][ T5405] el0_svc+0x78/0x1e0 [ 212.239142][ T5405] el0t_64_sync_handler+0xcc/0xe4 [ 212.240428][ T5405] el0t_64_sync+0x1a0/0x1a4 [ 212.248593][ T5405] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.254446][ T5405] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.536780][ T5407] loop1: detected capacity change from 0 to 32768 [ 212.623456][ T5407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.625725][ T5407] CPU: 0 PID: 5407 Comm: syz.1.256 Not tainted 5.15.184-syzkaller #0 [ 212.627872][ T5407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.630642][ T5407] Call trace: [ 212.631538][ T5407] dump_backtrace+0x0/0x43c [ 212.632719][ T5407] show_stack+0x2c/0x3c [ 212.633826][ T5407] __dump_stack+0x30/0x40 [ 212.634990][ T5407] dump_stack_lvl+0xf8/0x160 [ 212.636189][ T5407] dump_stack+0x1c/0x5c [ 212.637341][ T5407] sysfs_create_dir_ns+0x22c/0x24c [ 212.638704][ T5407] kobject_add_internal+0x590/0xc54 [ 212.640069][ T5407] kobject_init_and_add+0x118/0x17c [ 212.641473][ T5407] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.642729][ T5407] gfs2_fill_super+0xdac/0x19e0 [ 212.644001][ T5407] get_tree_bdev+0x358/0x544 [ 212.645240][ T5407] gfs2_get_tree+0x54/0x1b4 [ 212.646429][ T5407] vfs_get_tree+0x90/0x274 [ 212.647648][ T5407] do_new_mount+0x228/0x810 [ 212.648835][ T5407] path_mount+0x5b4/0x1000 [ 212.650051][ T5407] __arm64_sys_mount+0x514/0x5e4 [ 212.651364][ T5407] invoke_syscall+0x98/0x2b8 [ 212.652625][ T5407] el0_svc_common+0x138/0x258 [ 212.653849][ T5407] do_el0_svc+0x58/0x14c [ 212.654958][ T5407] el0_svc+0x78/0x1e0 [ 212.655993][ T5407] el0t_64_sync_handler+0xcc/0xe4 [ 212.657300][ T5407] el0t_64_sync+0x1a0/0x1a4 [ 212.659716][ T5407] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.663875][ T5407] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.927518][ T5410] loop1: detected capacity change from 0 to 32768 [ 212.973708][ T5410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.975740][ T5410] CPU: 0 PID: 5410 Comm: syz.1.257 Not tainted 5.15.184-syzkaller #0 [ 212.977882][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.980491][ T5410] Call trace: [ 212.981354][ T5410] dump_backtrace+0x0/0x43c [ 212.982544][ T5410] show_stack+0x2c/0x3c [ 212.983682][ T5410] __dump_stack+0x30/0x40 [ 212.984806][ T5410] dump_stack_lvl+0xf8/0x160 [ 212.986014][ T5410] dump_stack+0x1c/0x5c [ 212.987057][ T5410] sysfs_create_dir_ns+0x22c/0x24c [ 212.988350][ T5410] kobject_add_internal+0x590/0xc54 [ 212.989726][ T5410] kobject_init_and_add+0x118/0x17c [ 212.991075][ T5410] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.992305][ T5410] gfs2_fill_super+0xdac/0x19e0 [ 212.993541][ T5410] get_tree_bdev+0x358/0x544 [ 212.994756][ T5410] gfs2_get_tree+0x54/0x1b4 [ 212.995938][ T5410] vfs_get_tree+0x90/0x274 [ 212.997114][ T5410] do_new_mount+0x228/0x810 [ 212.998282][ T5410] path_mount+0x5b4/0x1000 [ 212.999496][ T5410] __arm64_sys_mount+0x514/0x5e4 [ 213.000785][ T5410] invoke_syscall+0x98/0x2b8 [ 213.002002][ T5410] el0_svc_common+0x138/0x258 [ 213.003232][ T5410] do_el0_svc+0x58/0x14c [ 213.004413][ T5410] el0_svc+0x78/0x1e0 [ 213.005415][ T5410] el0t_64_sync_handler+0xcc/0xe4 [ 213.006735][ T5410] el0t_64_sync+0x1a0/0x1a4 [ 213.016688][ T5410] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.020322][ T5410] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.344134][ T5412] loop1: detected capacity change from 0 to 32768 [ 213.398235][ T5412] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.400301][ T5412] CPU: 1 PID: 5412 Comm: syz.1.258 Not tainted 5.15.184-syzkaller #0 [ 213.402427][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 213.405191][ T5412] Call trace: [ 213.406071][ T5412] dump_backtrace+0x0/0x43c [ 213.407427][ T5412] show_stack+0x2c/0x3c [ 213.408525][ T5412] __dump_stack+0x30/0x40 [ 213.409653][ T5412] dump_stack_lvl+0xf8/0x160 [ 213.410871][ T5412] dump_stack+0x1c/0x5c [ 213.412012][ T5412] sysfs_create_dir_ns+0x22c/0x24c [ 213.413370][ T5412] kobject_add_internal+0x590/0xc54 [ 213.414755][ T5412] kobject_init_and_add+0x118/0x17c [ 213.416202][ T5412] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.417494][ T5412] gfs2_fill_super+0xdac/0x19e0 [ 213.418880][ T5412] get_tree_bdev+0x358/0x544 [ 213.420077][ T5412] gfs2_get_tree+0x54/0x1b4 [ 213.421251][ T5412] vfs_get_tree+0x90/0x274 [ 213.422468][ T5412] do_new_mount+0x228/0x810 [ 213.423680][ T5412] path_mount+0x5b4/0x1000 [ 213.424844][ T5412] __arm64_sys_mount+0x514/0x5e4 [ 213.426195][ T5412] invoke_syscall+0x98/0x2b8 [ 213.427404][ T5412] el0_svc_common+0x138/0x258 [ 213.428652][ T5412] do_el0_svc+0x58/0x14c [ 213.429756][ T5412] el0_svc+0x78/0x1e0 [ 213.430823][ T5412] el0t_64_sync_handler+0xcc/0xe4 [ 213.432151][ T5412] el0t_64_sync+0x1a0/0x1a4 [ 213.436151][ T5412] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.452113][ T5412] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.713389][ T5414] loop1: detected capacity change from 0 to 32768 [ 213.773840][ T5414] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.775987][ T5414] CPU: 0 PID: 5414 Comm: syz.1.259 Not tainted 5.15.184-syzkaller #0 [ 213.778340][ T5414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 213.781011][ T5414] Call trace: [ 213.781804][ T5414] dump_backtrace+0x0/0x43c [ 213.783054][ T5414] show_stack+0x2c/0x3c [ 213.784136][ T5414] __dump_stack+0x30/0x40 [ 213.785304][ T5414] dump_stack_lvl+0xf8/0x160 [ 213.786537][ T5414] dump_stack+0x1c/0x5c [ 213.787633][ T5414] sysfs_create_dir_ns+0x22c/0x24c [ 213.788986][ T5414] kobject_add_internal+0x590/0xc54 [ 213.790434][ T5414] kobject_init_and_add+0x118/0x17c [ 213.791820][ T5414] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.793119][ T5414] gfs2_fill_super+0xdac/0x19e0 [ 213.794440][ T5414] get_tree_bdev+0x358/0x544 [ 213.795721][ T5414] gfs2_get_tree+0x54/0x1b4 [ 213.796905][ T5414] vfs_get_tree+0x90/0x274 [ 213.798109][ T5414] do_new_mount+0x228/0x810 [ 213.799327][ T5414] path_mount+0x5b4/0x1000 [ 213.800486][ T5414] __arm64_sys_mount+0x514/0x5e4 [ 213.801849][ T5414] invoke_syscall+0x98/0x2b8 [ 213.803063][ T5414] el0_svc_common+0x138/0x258 [ 213.804294][ T5414] do_el0_svc+0x58/0x14c [ 213.805435][ T5414] el0_svc+0x78/0x1e0 [ 213.806497][ T5414] el0t_64_sync_handler+0xcc/0xe4 [ 213.807922][ T5414] el0t_64_sync+0x1a0/0x1a4 [ 213.809308][ T5414] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.813131][ T5414] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.074529][ T5416] loop1: detected capacity change from 0 to 32768 [ 214.092145][ T5416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.094200][ T5416] CPU: 1 PID: 5416 Comm: syz.1.260 Not tainted 5.15.184-syzkaller #0 [ 214.096487][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 214.099191][ T5416] Call trace: [ 214.100022][ T5416] dump_backtrace+0x0/0x43c [ 214.101160][ T5416] show_stack+0x2c/0x3c [ 214.102274][ T5416] __dump_stack+0x30/0x40 [ 214.103464][ T5416] dump_stack_lvl+0xf8/0x160 [ 214.104694][ T5416] dump_stack+0x1c/0x5c [ 214.105779][ T5416] sysfs_create_dir_ns+0x22c/0x24c [ 214.107132][ T5416] kobject_add_internal+0x590/0xc54 [ 214.108546][ T5416] kobject_init_and_add+0x118/0x17c [ 214.109930][ T5416] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.111149][ T5416] gfs2_fill_super+0xdac/0x19e0 [ 214.112451][ T5416] get_tree_bdev+0x358/0x544 [ 214.113656][ T5416] gfs2_get_tree+0x54/0x1b4 [ 214.114848][ T5416] vfs_get_tree+0x90/0x274 [ 214.116030][ T5416] do_new_mount+0x228/0x810 [ 214.117185][ T5416] path_mount+0x5b4/0x1000 [ 214.118350][ T5416] __arm64_sys_mount+0x514/0x5e4 [ 214.119659][ T5416] invoke_syscall+0x98/0x2b8 [ 214.120901][ T5416] el0_svc_common+0x138/0x258 [ 214.122139][ T5416] do_el0_svc+0x58/0x14c [ 214.123330][ T5416] el0_svc+0x78/0x1e0 [ 214.124398][ T5416] el0t_64_sync_handler+0xcc/0xe4 [ 214.125746][ T5416] el0t_64_sync+0x1a0/0x1a4 [ 214.129781][ T5416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.133369][ T5416] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:34 executed programs: 247 [ 214.393112][ T5418] loop1: detected capacity change from 0 to 32768 [ 214.450534][ T5418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.453279][ T5418] CPU: 0 PID: 5418 Comm: syz.1.261 Not tainted 5.15.184-syzkaller #0 [ 214.455545][ T5418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 214.458200][ T5418] Call trace: [ 214.459041][ T5418] dump_backtrace+0x0/0x43c [ 214.460229][ T5418] show_stack+0x2c/0x3c [ 214.461322][ T5418] __dump_stack+0x30/0x40 [ 214.462466][ T5418] dump_stack_lvl+0xf8/0x160 [ 214.463683][ T5418] dump_stack+0x1c/0x5c [ 214.464814][ T5418] sysfs_create_dir_ns+0x22c/0x24c [ 214.466123][ T5418] kobject_add_internal+0x590/0xc54 [ 214.467496][ T5418] kobject_init_and_add+0x118/0x17c [ 214.468897][ T5418] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.470140][ T5418] gfs2_fill_super+0xdac/0x19e0 [ 214.471429][ T5418] get_tree_bdev+0x358/0x544 [ 214.472634][ T5418] gfs2_get_tree+0x54/0x1b4 [ 214.473794][ T5418] vfs_get_tree+0x90/0x274 [ 214.474980][ T5418] do_new_mount+0x228/0x810 [ 214.476177][ T5418] path_mount+0x5b4/0x1000 [ 214.477308][ T5418] __arm64_sys_mount+0x514/0x5e4 [ 214.478640][ T5418] invoke_syscall+0x98/0x2b8 [ 214.479848][ T5418] el0_svc_common+0x138/0x258 [ 214.481111][ T5418] do_el0_svc+0x58/0x14c [ 214.482309][ T5418] el0_svc+0x78/0x1e0 [ 214.483379][ T5418] el0t_64_sync_handler+0xcc/0xe4 [ 214.484695][ T5418] el0t_64_sync+0x1a0/0x1a4 [ 214.486859][ T5418] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.490309][ T5418] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.756425][ T5420] loop1: detected capacity change from 0 to 32768 [ 214.824523][ T5420] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.826549][ T5420] CPU: 0 PID: 5420 Comm: syz.1.262 Not tainted 5.15.184-syzkaller #0 [ 214.828756][ T5420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 214.831327][ T5420] Call trace: [ 214.832220][ T5420] dump_backtrace+0x0/0x43c [ 214.833372][ T5420] show_stack+0x2c/0x3c [ 214.834534][ T5420] __dump_stack+0x30/0x40 [ 214.835682][ T5420] dump_stack_lvl+0xf8/0x160 [ 214.836954][ T5420] dump_stack+0x1c/0x5c [ 214.838056][ T5420] sysfs_create_dir_ns+0x22c/0x24c [ 214.839366][ T5420] kobject_add_internal+0x590/0xc54 [ 214.840736][ T5420] kobject_init_and_add+0x118/0x17c [ 214.842039][ T5420] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.843325][ T5420] gfs2_fill_super+0xdac/0x19e0 [ 214.844598][ T5420] get_tree_bdev+0x358/0x544 [ 214.845809][ T5420] gfs2_get_tree+0x54/0x1b4 [ 214.847010][ T5420] vfs_get_tree+0x90/0x274 [ 214.848191][ T5420] do_new_mount+0x228/0x810 [ 214.849380][ T5420] path_mount+0x5b4/0x1000 [ 214.850573][ T5420] __arm64_sys_mount+0x514/0x5e4 [ 214.851902][ T5420] invoke_syscall+0x98/0x2b8 [ 214.853099][ T5420] el0_svc_common+0x138/0x258 [ 214.854306][ T5420] do_el0_svc+0x58/0x14c [ 214.855470][ T5420] el0_svc+0x78/0x1e0 [ 214.856570][ T5420] el0t_64_sync_handler+0xcc/0xe4 [ 214.857891][ T5420] el0t_64_sync+0x1a0/0x1a4 [ 214.861660][ T5420] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.865484][ T5420] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.199341][ T5422] loop1: detected capacity change from 0 to 32768 [ 215.262377][ T5422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.264437][ T5422] CPU: 0 PID: 5422 Comm: syz.1.263 Not tainted 5.15.184-syzkaller #0 [ 215.266530][ T5422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 215.269178][ T5422] Call trace: [ 215.270020][ T5422] dump_backtrace+0x0/0x43c [ 215.271186][ T5422] show_stack+0x2c/0x3c [ 215.272263][ T5422] __dump_stack+0x30/0x40 [ 215.273365][ T5422] dump_stack_lvl+0xf8/0x160 [ 215.274581][ T5422] dump_stack+0x1c/0x5c [ 215.275629][ T5422] sysfs_create_dir_ns+0x22c/0x24c [ 215.277021][ T5422] kobject_add_internal+0x590/0xc54 [ 215.278388][ T5422] kobject_init_and_add+0x118/0x17c [ 215.279789][ T5422] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.281050][ T5422] gfs2_fill_super+0xdac/0x19e0 [ 215.282331][ T5422] get_tree_bdev+0x358/0x544 [ 215.283536][ T5422] gfs2_get_tree+0x54/0x1b4 [ 215.284741][ T5422] vfs_get_tree+0x90/0x274 [ 215.285951][ T5422] do_new_mount+0x228/0x810 [ 215.287172][ T5422] path_mount+0x5b4/0x1000 [ 215.288334][ T5422] __arm64_sys_mount+0x514/0x5e4 [ 215.289641][ T5422] invoke_syscall+0x98/0x2b8 [ 215.290850][ T5422] el0_svc_common+0x138/0x258 [ 215.292058][ T5422] do_el0_svc+0x58/0x14c [ 215.293168][ T5422] el0_svc+0x78/0x1e0 [ 215.294180][ T5422] el0t_64_sync_handler+0xcc/0xe4 [ 215.295545][ T5422] el0t_64_sync+0x1a0/0x1a4 [ 215.299148][ T5422] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.303010][ T5422] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.580094][ T5424] loop1: detected capacity change from 0 to 32768 [ 215.586477][ T5424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.588492][ T5424] CPU: 1 PID: 5424 Comm: syz.1.264 Not tainted 5.15.184-syzkaller #0 [ 215.590588][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 215.593207][ T5424] Call trace: [ 215.594050][ T5424] dump_backtrace+0x0/0x43c [ 215.595277][ T5424] show_stack+0x2c/0x3c [ 215.596348][ T5424] __dump_stack+0x30/0x40 [ 215.597575][ T5424] dump_stack_lvl+0xf8/0x160 [ 215.598886][ T5424] dump_stack+0x1c/0x5c [ 215.600036][ T5424] sysfs_create_dir_ns+0x22c/0x24c [ 215.601418][ T5424] kobject_add_internal+0x590/0xc54 [ 215.602806][ T5424] kobject_init_and_add+0x118/0x17c [ 215.604234][ T5424] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.605630][ T5424] gfs2_fill_super+0xdac/0x19e0 [ 215.606948][ T5424] get_tree_bdev+0x358/0x544 [ 215.608145][ T5424] gfs2_get_tree+0x54/0x1b4 [ 215.609319][ T5424] vfs_get_tree+0x90/0x274 [ 215.610522][ T5424] do_new_mount+0x228/0x810 [ 215.611761][ T5424] path_mount+0x5b4/0x1000 [ 215.612902][ T5424] __arm64_sys_mount+0x514/0x5e4 [ 215.614185][ T5424] invoke_syscall+0x98/0x2b8 [ 215.615436][ T5424] el0_svc_common+0x138/0x258 [ 215.616734][ T5424] do_el0_svc+0x58/0x14c [ 215.617871][ T5424] el0_svc+0x78/0x1e0 [ 215.618953][ T5424] el0t_64_sync_handler+0xcc/0xe4 [ 215.620311][ T5424] el0t_64_sync+0x1a0/0x1a4 [ 215.623977][ T5424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.627523][ T5424] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.971478][ T5426] loop1: detected capacity change from 0 to 32768 [ 216.016247][ T5426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.018354][ T5426] CPU: 0 PID: 5426 Comm: syz.1.265 Not tainted 5.15.184-syzkaller #0 [ 216.020462][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.023127][ T5426] Call trace: [ 216.024001][ T5426] dump_backtrace+0x0/0x43c [ 216.025173][ T5426] show_stack+0x2c/0x3c [ 216.026282][ T5426] __dump_stack+0x30/0x40 [ 216.027464][ T5426] dump_stack_lvl+0xf8/0x160 [ 216.028688][ T5426] dump_stack+0x1c/0x5c [ 216.029803][ T5426] sysfs_create_dir_ns+0x22c/0x24c [ 216.031155][ T5426] kobject_add_internal+0x590/0xc54 [ 216.032572][ T5426] kobject_init_and_add+0x118/0x17c [ 216.034012][ T5426] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.035313][ T5426] gfs2_fill_super+0xdac/0x19e0 [ 216.036632][ T5426] get_tree_bdev+0x358/0x544 [ 216.037892][ T5426] gfs2_get_tree+0x54/0x1b4 [ 216.039071][ T5426] vfs_get_tree+0x90/0x274 [ 216.040360][ T5426] do_new_mount+0x228/0x810 [ 216.041594][ T5426] path_mount+0x5b4/0x1000 [ 216.042741][ T5426] __arm64_sys_mount+0x514/0x5e4 [ 216.044059][ T5426] invoke_syscall+0x98/0x2b8 [ 216.045299][ T5426] el0_svc_common+0x138/0x258 [ 216.046555][ T5426] do_el0_svc+0x58/0x14c [ 216.047702][ T5426] el0_svc+0x78/0x1e0 [ 216.048774][ T5426] el0t_64_sync_handler+0xcc/0xe4 [ 216.050137][ T5426] el0t_64_sync+0x1a0/0x1a4 [ 216.058201][ T5426] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.061627][ T5426] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.369936][ T5428] loop1: detected capacity change from 0 to 32768 [ 216.424015][ T5428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.426125][ T5428] CPU: 0 PID: 5428 Comm: syz.1.266 Not tainted 5.15.184-syzkaller #0 [ 216.428184][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.430896][ T5428] Call trace: [ 216.431745][ T5428] dump_backtrace+0x0/0x43c [ 216.432941][ T5428] show_stack+0x2c/0x3c [ 216.434063][ T5428] __dump_stack+0x30/0x40 [ 216.435217][ T5428] dump_stack_lvl+0xf8/0x160 [ 216.436460][ T5428] dump_stack+0x1c/0x5c [ 216.437655][ T5428] sysfs_create_dir_ns+0x22c/0x24c [ 216.438989][ T5428] kobject_add_internal+0x590/0xc54 [ 216.440353][ T5428] kobject_init_and_add+0x118/0x17c [ 216.441801][ T5428] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.443088][ T5428] gfs2_fill_super+0xdac/0x19e0 [ 216.444318][ T5428] get_tree_bdev+0x358/0x544 [ 216.445618][ T5428] gfs2_get_tree+0x54/0x1b4 [ 216.446888][ T5428] vfs_get_tree+0x90/0x274 [ 216.448044][ T5428] do_new_mount+0x228/0x810 [ 216.449268][ T5428] path_mount+0x5b4/0x1000 [ 216.450500][ T5428] __arm64_sys_mount+0x514/0x5e4 [ 216.451793][ T5428] invoke_syscall+0x98/0x2b8 [ 216.453091][ T5428] el0_svc_common+0x138/0x258 [ 216.454414][ T5428] do_el0_svc+0x58/0x14c [ 216.455582][ T5428] el0_svc+0x78/0x1e0 [ 216.456645][ T5428] el0t_64_sync_handler+0xcc/0xe4 [ 216.458058][ T5428] el0t_64_sync+0x1a0/0x1a4 [ 216.469269][ T5428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.473180][ T5428] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.746376][ T5430] loop1: detected capacity change from 0 to 32768 [ 216.818684][ T5430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.820876][ T5430] CPU: 0 PID: 5430 Comm: syz.1.267 Not tainted 5.15.184-syzkaller #0 [ 216.822990][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.825834][ T5430] Call trace: [ 216.826695][ T5430] dump_backtrace+0x0/0x43c [ 216.827959][ T5430] show_stack+0x2c/0x3c [ 216.829062][ T5430] __dump_stack+0x30/0x40 [ 216.830221][ T5430] dump_stack_lvl+0xf8/0x160 [ 216.831445][ T5430] dump_stack+0x1c/0x5c [ 216.832585][ T5430] sysfs_create_dir_ns+0x22c/0x24c [ 216.833964][ T5430] kobject_add_internal+0x590/0xc54 [ 216.835432][ T5430] kobject_init_and_add+0x118/0x17c [ 216.836796][ T5430] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.838065][ T5430] gfs2_fill_super+0xdac/0x19e0 [ 216.839358][ T5430] get_tree_bdev+0x358/0x544 [ 216.840608][ T5430] gfs2_get_tree+0x54/0x1b4 [ 216.841802][ T5430] vfs_get_tree+0x90/0x274 [ 216.842991][ T5430] do_new_mount+0x228/0x810 [ 216.844202][ T5430] path_mount+0x5b4/0x1000 [ 216.845372][ T5430] __arm64_sys_mount+0x514/0x5e4 [ 216.846726][ T5430] invoke_syscall+0x98/0x2b8 [ 216.847959][ T5430] el0_svc_common+0x138/0x258 [ 216.849226][ T5430] do_el0_svc+0x58/0x14c [ 216.850385][ T5430] el0_svc+0x78/0x1e0 [ 216.851459][ T5430] el0t_64_sync_handler+0xcc/0xe4 [ 216.852803][ T5430] el0t_64_sync+0x1a0/0x1a4 [ 216.858246][ T5430] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.861850][ T5430] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.127980][ T5432] loop1: detected capacity change from 0 to 32768 [ 217.180492][ T5432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.182718][ T5432] CPU: 0 PID: 5432 Comm: syz.1.268 Not tainted 5.15.184-syzkaller #0 [ 217.184853][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 217.187470][ T5432] Call trace: [ 217.188286][ T5432] dump_backtrace+0x0/0x43c [ 217.189471][ T5432] show_stack+0x2c/0x3c [ 217.190538][ T5432] __dump_stack+0x30/0x40 [ 217.191681][ T5432] dump_stack_lvl+0xf8/0x160 [ 217.192924][ T5432] dump_stack+0x1c/0x5c [ 217.194047][ T5432] sysfs_create_dir_ns+0x22c/0x24c [ 217.195431][ T5432] kobject_add_internal+0x590/0xc54 [ 217.196816][ T5432] kobject_init_and_add+0x118/0x17c [ 217.198164][ T5432] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.199415][ T5432] gfs2_fill_super+0xdac/0x19e0 [ 217.200676][ T5432] get_tree_bdev+0x358/0x544 [ 217.201877][ T5432] gfs2_get_tree+0x54/0x1b4 [ 217.203030][ T5432] vfs_get_tree+0x90/0x274 [ 217.204211][ T5432] do_new_mount+0x228/0x810 [ 217.205460][ T5432] path_mount+0x5b4/0x1000 [ 217.206650][ T5432] __arm64_sys_mount+0x514/0x5e4 [ 217.207988][ T5432] invoke_syscall+0x98/0x2b8 [ 217.209224][ T5432] el0_svc_common+0x138/0x258 [ 217.210483][ T5432] do_el0_svc+0x58/0x14c [ 217.211616][ T5432] el0_svc+0x78/0x1e0 [ 217.212694][ T5432] el0t_64_sync_handler+0xcc/0xe4 [ 217.214029][ T5432] el0t_64_sync+0x1a0/0x1a4 [ 217.215466][ T5432] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.221155][ T5432] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.493270][ T5434] loop1: detected capacity change from 0 to 32768 [ 217.539752][ T5434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.542130][ T5434] CPU: 0 PID: 5434 Comm: syz.1.269 Not tainted 5.15.184-syzkaller #0 [ 217.544267][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 217.546921][ T5434] Call trace: [ 217.547804][ T5434] dump_backtrace+0x0/0x43c [ 217.549008][ T5434] show_stack+0x2c/0x3c [ 217.550168][ T5434] __dump_stack+0x30/0x40 [ 217.551314][ T5434] dump_stack_lvl+0xf8/0x160 [ 217.552522][ T5434] dump_stack+0x1c/0x5c [ 217.553590][ T5434] sysfs_create_dir_ns+0x22c/0x24c [ 217.554959][ T5434] kobject_add_internal+0x590/0xc54 [ 217.556352][ T5434] kobject_init_and_add+0x118/0x17c [ 217.557832][ T5434] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.559106][ T5434] gfs2_fill_super+0xdac/0x19e0 [ 217.560351][ T5434] get_tree_bdev+0x358/0x544 [ 217.561575][ T5434] gfs2_get_tree+0x54/0x1b4 [ 217.562873][ T5434] vfs_get_tree+0x90/0x274 [ 217.564052][ T5434] do_new_mount+0x228/0x810 [ 217.565291][ T5434] path_mount+0x5b4/0x1000 [ 217.566492][ T5434] __arm64_sys_mount+0x514/0x5e4 [ 217.567802][ T5434] invoke_syscall+0x98/0x2b8 [ 217.569090][ T5434] el0_svc_common+0x138/0x258 [ 217.570351][ T5434] do_el0_svc+0x58/0x14c [ 217.571524][ T5434] el0_svc+0x78/0x1e0 [ 217.572606][ T5434] el0t_64_sync_handler+0xcc/0xe4 [ 217.574078][ T5434] el0t_64_sync+0x1a0/0x1a4 [ 217.577258][ T5434] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.580898][ T5434] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.850798][ T5436] loop1: detected capacity change from 0 to 32768 [ 217.923657][ T5436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.925643][ T5436] CPU: 0 PID: 5436 Comm: syz.1.270 Not tainted 5.15.184-syzkaller #0 [ 217.927697][ T5436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 217.930284][ T5436] Call trace: [ 217.931118][ T5436] dump_backtrace+0x0/0x43c [ 217.932331][ T5436] show_stack+0x2c/0x3c [ 217.933538][ T5436] __dump_stack+0x30/0x40 [ 217.934743][ T5436] dump_stack_lvl+0xf8/0x160 [ 217.935932][ T5436] dump_stack+0x1c/0x5c [ 217.936999][ T5436] sysfs_create_dir_ns+0x22c/0x24c [ 217.938356][ T5436] kobject_add_internal+0x590/0xc54 [ 217.939794][ T5436] kobject_init_and_add+0x118/0x17c [ 217.941216][ T5436] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.942500][ T5436] gfs2_fill_super+0xdac/0x19e0 [ 217.943833][ T5436] get_tree_bdev+0x358/0x544 [ 217.945070][ T5436] gfs2_get_tree+0x54/0x1b4 [ 217.946295][ T5436] vfs_get_tree+0x90/0x274 [ 217.947487][ T5436] do_new_mount+0x228/0x810 [ 217.948813][ T5436] path_mount+0x5b4/0x1000 [ 217.950046][ T5436] __arm64_sys_mount+0x514/0x5e4 [ 217.951332][ T5436] invoke_syscall+0x98/0x2b8 [ 217.952618][ T5436] el0_svc_common+0x138/0x258 [ 217.953873][ T5436] do_el0_svc+0x58/0x14c [ 217.954976][ T5436] el0_svc+0x78/0x1e0 [ 217.956048][ T5436] el0t_64_sync_handler+0xcc/0xe4 [ 217.957423][ T5436] el0t_64_sync+0x1a0/0x1a4 [ 217.959919][ T5436] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.964111][ T5436] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.238605][ T5438] loop1: detected capacity change from 0 to 32768 [ 218.322184][ T5438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.324417][ T5438] CPU: 1 PID: 5438 Comm: syz.1.271 Not tainted 5.15.184-syzkaller #0 [ 218.326633][ T5438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 218.329232][ T5438] Call trace: [ 218.330108][ T5438] dump_backtrace+0x0/0x43c [ 218.331361][ T5438] show_stack+0x2c/0x3c [ 218.332503][ T5438] __dump_stack+0x30/0x40 [ 218.333656][ T5438] dump_stack_lvl+0xf8/0x160 [ 218.334901][ T5438] dump_stack+0x1c/0x5c [ 218.336009][ T5438] sysfs_create_dir_ns+0x22c/0x24c [ 218.337390][ T5438] kobject_add_internal+0x590/0xc54 [ 218.338822][ T5438] kobject_init_and_add+0x118/0x17c [ 218.340209][ T5438] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.341536][ T5438] gfs2_fill_super+0xdac/0x19e0 [ 218.342794][ T5438] get_tree_bdev+0x358/0x544 [ 218.344087][ T5438] gfs2_get_tree+0x54/0x1b4 [ 218.345299][ T5438] vfs_get_tree+0x90/0x274 [ 218.346502][ T5438] do_new_mount+0x228/0x810 [ 218.347751][ T5438] path_mount+0x5b4/0x1000 [ 218.348928][ T5438] __arm64_sys_mount+0x514/0x5e4 [ 218.350294][ T5438] invoke_syscall+0x98/0x2b8 [ 218.351593][ T5438] el0_svc_common+0x138/0x258 [ 218.352833][ T5438] do_el0_svc+0x58/0x14c [ 218.353983][ T5438] el0_svc+0x78/0x1e0 [ 218.355020][ T5438] el0t_64_sync_handler+0xcc/0xe4 [ 218.356308][ T5438] el0t_64_sync+0x1a0/0x1a4 [ 218.359928][ T5438] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.364642][ T5438] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.628860][ T5440] loop1: detected capacity change from 0 to 32768 [ 218.684192][ T5440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.686241][ T5440] CPU: 1 PID: 5440 Comm: syz.1.272 Not tainted 5.15.184-syzkaller #0 [ 218.688442][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 218.691218][ T5440] Call trace: [ 218.692096][ T5440] dump_backtrace+0x0/0x43c [ 218.693304][ T5440] show_stack+0x2c/0x3c [ 218.694408][ T5440] __dump_stack+0x30/0x40 [ 218.695565][ T5440] dump_stack_lvl+0xf8/0x160 [ 218.696808][ T5440] dump_stack+0x1c/0x5c [ 218.698037][ T5440] sysfs_create_dir_ns+0x22c/0x24c [ 218.699473][ T5440] kobject_add_internal+0x590/0xc54 [ 218.700899][ T5440] kobject_init_and_add+0x118/0x17c [ 218.702299][ T5440] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.703560][ T5440] gfs2_fill_super+0xdac/0x19e0 [ 218.704916][ T5440] get_tree_bdev+0x358/0x544 [ 218.706142][ T5440] gfs2_get_tree+0x54/0x1b4 [ 218.707318][ T5440] vfs_get_tree+0x90/0x274 [ 218.708514][ T5440] do_new_mount+0x228/0x810 [ 218.709700][ T5440] path_mount+0x5b4/0x1000 [ 218.710878][ T5440] __arm64_sys_mount+0x514/0x5e4 [ 218.712189][ T5440] invoke_syscall+0x98/0x2b8 [ 218.713429][ T5440] el0_svc_common+0x138/0x258 [ 218.714685][ T5440] do_el0_svc+0x58/0x14c [ 218.715883][ T5440] el0_svc+0x78/0x1e0 [ 218.717149][ T5440] el0t_64_sync_handler+0xcc/0xe4 [ 218.718764][ T5440] el0t_64_sync+0x1a0/0x1a4 [ 218.728238][ T5440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.731893][ T5440] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.995486][ T5442] loop1: detected capacity change from 0 to 32768 [ 219.051650][ T5442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.053785][ T5442] CPU: 1 PID: 5442 Comm: syz.1.273 Not tainted 5.15.184-syzkaller #0 [ 219.056025][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.058629][ T5442] Call trace: [ 219.059499][ T5442] dump_backtrace+0x0/0x43c [ 219.060746][ T5442] show_stack+0x2c/0x3c [ 219.061827][ T5442] __dump_stack+0x30/0x40 [ 219.062986][ T5442] dump_stack_lvl+0xf8/0x160 [ 219.064281][ T5442] dump_stack+0x1c/0x5c [ 219.065378][ T5442] sysfs_create_dir_ns+0x22c/0x24c [ 219.066793][ T5442] kobject_add_internal+0x590/0xc54 [ 219.068208][ T5442] kobject_init_and_add+0x118/0x17c [ 219.069602][ T5442] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.070965][ T5442] gfs2_fill_super+0xdac/0x19e0 [ 219.072244][ T5442] get_tree_bdev+0x358/0x544 [ 219.073415][ T5442] gfs2_get_tree+0x54/0x1b4 [ 219.074561][ T5442] vfs_get_tree+0x90/0x274 [ 219.075708][ T5442] do_new_mount+0x228/0x810 [ 219.076848][ T5442] path_mount+0x5b4/0x1000 [ 219.077953][ T5442] __arm64_sys_mount+0x514/0x5e4 [ 219.079197][ T5442] invoke_syscall+0x98/0x2b8 [ 219.080379][ T5442] el0_svc_common+0x138/0x258 [ 219.081680][ T5442] do_el0_svc+0x58/0x14c [ 219.082751][ T5442] el0_svc+0x78/0x1e0 [ 219.083755][ T5442] el0t_64_sync_handler+0xcc/0xe4 [ 219.085024][ T5442] el0t_64_sync+0x1a0/0x1a4 [ 219.089576][ T5442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.092991][ T5442] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.370184][ T5444] loop1: detected capacity change from 0 to 32768 [ 219.384384][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.386463][ T5444] CPU: 1 PID: 5444 Comm: syz.1.274 Not tainted 5.15.184-syzkaller #0 [ 219.388569][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.391246][ T5444] Call trace: [ 219.392117][ T5444] dump_backtrace+0x0/0x43c [ 219.393302][ T5444] show_stack+0x2c/0x3c [ 219.394445][ T5444] __dump_stack+0x30/0x40 [ 219.395583][ T5444] dump_stack_lvl+0xf8/0x160 [ 219.396781][ T5444] dump_stack+0x1c/0x5c [ 219.397902][ T5444] sysfs_create_dir_ns+0x22c/0x24c [ 219.399275][ T5444] kobject_add_internal+0x590/0xc54 [ 219.400687][ T5444] kobject_init_and_add+0x118/0x17c [ 219.402103][ T5444] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.403369][ T5444] gfs2_fill_super+0xdac/0x19e0 [ 219.404701][ T5444] get_tree_bdev+0x358/0x544 [ 219.405901][ T5444] gfs2_get_tree+0x54/0x1b4 [ 219.407173][ T5444] vfs_get_tree+0x90/0x274 [ 219.408377][ T5444] do_new_mount+0x228/0x810 [ 219.409562][ T5444] path_mount+0x5b4/0x1000 [ 219.410727][ T5444] __arm64_sys_mount+0x514/0x5e4 [ 219.412083][ T5444] invoke_syscall+0x98/0x2b8 [ 219.413371][ T5444] el0_svc_common+0x138/0x258 [ 219.414638][ T5444] do_el0_svc+0x58/0x14c [ 219.415817][ T5444] el0_svc+0x78/0x1e0 [ 219.416903][ T5444] el0t_64_sync_handler+0xcc/0xe4 [ 219.418223][ T5444] el0t_64_sync+0x1a0/0x1a4 [ 219.421689][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.425341][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:39 executed programs: 261 [ 219.697280][ T5446] loop1: detected capacity change from 0 to 32768 [ 219.748125][ T5446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.750089][ T5446] CPU: 0 PID: 5446 Comm: syz.1.275 Not tainted 5.15.184-syzkaller #0 [ 219.752299][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.755138][ T5446] Call trace: [ 219.756038][ T5446] dump_backtrace+0x0/0x43c [ 219.757236][ T5446] show_stack+0x2c/0x3c [ 219.758364][ T5446] __dump_stack+0x30/0x40 [ 219.759581][ T5446] dump_stack_lvl+0xf8/0x160 [ 219.760810][ T5446] dump_stack+0x1c/0x5c [ 219.761960][ T5446] sysfs_create_dir_ns+0x22c/0x24c [ 219.763327][ T5446] kobject_add_internal+0x590/0xc54 [ 219.764828][ T5446] kobject_init_and_add+0x118/0x17c [ 219.766228][ T5446] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.767619][ T5446] gfs2_fill_super+0xdac/0x19e0 [ 219.768984][ T5446] get_tree_bdev+0x358/0x544 [ 219.770176][ T5446] gfs2_get_tree+0x54/0x1b4 [ 219.771376][ T5446] vfs_get_tree+0x90/0x274 [ 219.772585][ T5446] do_new_mount+0x228/0x810 [ 219.773793][ T5446] path_mount+0x5b4/0x1000 [ 219.775009][ T5446] __arm64_sys_mount+0x514/0x5e4 [ 219.776347][ T5446] invoke_syscall+0x98/0x2b8 [ 219.777669][ T5446] el0_svc_common+0x138/0x258 [ 219.778940][ T5446] do_el0_svc+0x58/0x14c [ 219.780063][ T5446] el0_svc+0x78/0x1e0 [ 219.781152][ T5446] el0t_64_sync_handler+0xcc/0xe4 [ 219.782448][ T5446] el0t_64_sync+0x1a0/0x1a4 [ 219.784080][ T5446] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.787573][ T5446] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.051364][ T5448] loop1: detected capacity change from 0 to 32768 [ 220.107108][ T5448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.109135][ T5448] CPU: 0 PID: 5448 Comm: syz.1.276 Not tainted 5.15.184-syzkaller #0 [ 220.111315][ T5448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 220.113965][ T5448] Call trace: [ 220.114794][ T5448] dump_backtrace+0x0/0x43c [ 220.115996][ T5448] show_stack+0x2c/0x3c [ 220.117118][ T5448] __dump_stack+0x30/0x40 [ 220.118239][ T5448] dump_stack_lvl+0xf8/0x160 [ 220.119440][ T5448] dump_stack+0x1c/0x5c [ 220.120609][ T5448] sysfs_create_dir_ns+0x22c/0x24c [ 220.121959][ T5448] kobject_add_internal+0x590/0xc54 [ 220.123358][ T5448] kobject_init_and_add+0x118/0x17c [ 220.124858][ T5448] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.126115][ T5448] gfs2_fill_super+0xdac/0x19e0 [ 220.127466][ T5448] get_tree_bdev+0x358/0x544 [ 220.128699][ T5448] gfs2_get_tree+0x54/0x1b4 [ 220.129893][ T5448] vfs_get_tree+0x90/0x274 [ 220.131104][ T5448] do_new_mount+0x228/0x810 [ 220.132339][ T5448] path_mount+0x5b4/0x1000 [ 220.133517][ T5448] __arm64_sys_mount+0x514/0x5e4 [ 220.134803][ T5448] invoke_syscall+0x98/0x2b8 [ 220.136001][ T5448] el0_svc_common+0x138/0x258 [ 220.137291][ T5448] do_el0_svc+0x58/0x14c [ 220.138425][ T5448] el0_svc+0x78/0x1e0 [ 220.139530][ T5448] el0t_64_sync_handler+0xcc/0xe4 [ 220.140966][ T5448] el0t_64_sync+0x1a0/0x1a4 [ 220.144999][ T5448] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.148443][ T5448] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.439140][ T5450] loop1: detected capacity change from 0 to 32768 [ 220.447028][ T5450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.449039][ T5450] CPU: 0 PID: 5450 Comm: syz.1.277 Not tainted 5.15.184-syzkaller #0 [ 220.451171][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 220.453915][ T5450] Call trace: [ 220.454805][ T5450] dump_backtrace+0x0/0x43c [ 220.456021][ T5450] show_stack+0x2c/0x3c [ 220.457115][ T5450] __dump_stack+0x30/0x40 [ 220.458240][ T5450] dump_stack_lvl+0xf8/0x160 [ 220.459446][ T5450] dump_stack+0x1c/0x5c [ 220.460587][ T5450] sysfs_create_dir_ns+0x22c/0x24c [ 220.461937][ T5450] kobject_add_internal+0x590/0xc54 [ 220.463349][ T5450] kobject_init_and_add+0x118/0x17c [ 220.464755][ T5450] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.466056][ T5450] gfs2_fill_super+0xdac/0x19e0 [ 220.467325][ T5450] get_tree_bdev+0x358/0x544 [ 220.468602][ T5450] gfs2_get_tree+0x54/0x1b4 [ 220.469799][ T5450] vfs_get_tree+0x90/0x274 [ 220.471018][ T5450] do_new_mount+0x228/0x810 [ 220.472175][ T5450] path_mount+0x5b4/0x1000 [ 220.473354][ T5450] __arm64_sys_mount+0x514/0x5e4 [ 220.474690][ T5450] invoke_syscall+0x98/0x2b8 [ 220.475868][ T5450] el0_svc_common+0x138/0x258 [ 220.477107][ T5450] do_el0_svc+0x58/0x14c [ 220.478231][ T5450] el0_svc+0x78/0x1e0 [ 220.479286][ T5450] el0t_64_sync_handler+0xcc/0xe4 [ 220.480659][ T5450] el0t_64_sync+0x1a0/0x1a4 [ 220.485541][ T5450] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.488998][ T5450] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.802562][ T5452] loop1: detected capacity change from 0 to 32768 [ 220.807297][ T5452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.809323][ T5452] CPU: 0 PID: 5452 Comm: syz.1.278 Not tainted 5.15.184-syzkaller #0 [ 220.811487][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 220.814171][ T5452] Call trace: [ 220.815038][ T5452] dump_backtrace+0x0/0x43c [ 220.816286][ T5452] show_stack+0x2c/0x3c [ 220.817449][ T5452] __dump_stack+0x30/0x40 [ 220.818626][ T5452] dump_stack_lvl+0xf8/0x160 [ 220.819875][ T5452] dump_stack+0x1c/0x5c [ 220.820961][ T5452] sysfs_create_dir_ns+0x22c/0x24c [ 220.822458][ T5452] kobject_add_internal+0x590/0xc54 [ 220.823913][ T5452] kobject_init_and_add+0x118/0x17c [ 220.825338][ T5452] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.826625][ T5452] gfs2_fill_super+0xdac/0x19e0 [ 220.827966][ T5452] get_tree_bdev+0x358/0x544 [ 220.829290][ T5452] gfs2_get_tree+0x54/0x1b4 [ 220.830584][ T5452] vfs_get_tree+0x90/0x274 [ 220.831746][ T5452] do_new_mount+0x228/0x810 [ 220.832909][ T5452] path_mount+0x5b4/0x1000 [ 220.834086][ T5452] __arm64_sys_mount+0x514/0x5e4 [ 220.835413][ T5452] invoke_syscall+0x98/0x2b8 [ 220.836703][ T5452] el0_svc_common+0x138/0x258 [ 220.837952][ T5452] do_el0_svc+0x58/0x14c [ 220.839139][ T5452] el0_svc+0x78/0x1e0 [ 220.840193][ T5452] el0t_64_sync_handler+0xcc/0xe4 [ 220.841522][ T5452] el0t_64_sync+0x1a0/0x1a4 [ 220.844195][ T5452] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.847942][ T5452] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.251408][ T5454] loop1: detected capacity change from 0 to 32768 [ 221.296623][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.298758][ T5454] CPU: 1 PID: 5454 Comm: syz.1.279 Not tainted 5.15.184-syzkaller #0 [ 221.300864][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 221.303467][ T5454] Call trace: [ 221.304368][ T5454] dump_backtrace+0x0/0x43c [ 221.305631][ T5454] show_stack+0x2c/0x3c [ 221.306736][ T5454] __dump_stack+0x30/0x40 [ 221.307853][ T5454] dump_stack_lvl+0xf8/0x160 [ 221.309100][ T5454] dump_stack+0x1c/0x5c [ 221.310217][ T5454] sysfs_create_dir_ns+0x22c/0x24c [ 221.311578][ T5454] kobject_add_internal+0x590/0xc54 [ 221.312997][ T5454] kobject_init_and_add+0x118/0x17c [ 221.314379][ T5454] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.315666][ T5454] gfs2_fill_super+0xdac/0x19e0 [ 221.316991][ T5454] get_tree_bdev+0x358/0x544 [ 221.318217][ T5454] gfs2_get_tree+0x54/0x1b4 [ 221.319406][ T5454] vfs_get_tree+0x90/0x274 [ 221.320624][ T5454] do_new_mount+0x228/0x810 [ 221.321816][ T5454] path_mount+0x5b4/0x1000 [ 221.323009][ T5454] __arm64_sys_mount+0x514/0x5e4 [ 221.324328][ T5454] invoke_syscall+0x98/0x2b8 [ 221.325571][ T5454] el0_svc_common+0x138/0x258 [ 221.326797][ T5454] do_el0_svc+0x58/0x14c [ 221.327924][ T5454] el0_svc+0x78/0x1e0 [ 221.328938][ T5454] el0t_64_sync_handler+0xcc/0xe4 [ 221.330253][ T5454] el0t_64_sync+0x1a0/0x1a4 [ 221.347476][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.351097][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.620515][ T5456] loop1: detected capacity change from 0 to 32768 [ 221.693837][ T5456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.695869][ T5456] CPU: 0 PID: 5456 Comm: syz.1.280 Not tainted 5.15.184-syzkaller #0 [ 221.697935][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 221.700532][ T5456] Call trace: [ 221.701449][ T5456] dump_backtrace+0x0/0x43c [ 221.702699][ T5456] show_stack+0x2c/0x3c [ 221.703816][ T5456] __dump_stack+0x30/0x40 [ 221.704926][ T5456] dump_stack_lvl+0xf8/0x160 [ 221.706153][ T5456] dump_stack+0x1c/0x5c [ 221.707300][ T5456] sysfs_create_dir_ns+0x22c/0x24c [ 221.708665][ T5456] kobject_add_internal+0x590/0xc54 [ 221.710062][ T5456] kobject_init_and_add+0x118/0x17c [ 221.711445][ T5456] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.712717][ T5456] gfs2_fill_super+0xdac/0x19e0 [ 221.713983][ T5456] get_tree_bdev+0x358/0x544 [ 221.715284][ T5456] gfs2_get_tree+0x54/0x1b4 [ 221.716502][ T5456] vfs_get_tree+0x90/0x274 [ 221.717714][ T5456] do_new_mount+0x228/0x810 [ 221.718933][ T5456] path_mount+0x5b4/0x1000 [ 221.720108][ T5456] __arm64_sys_mount+0x514/0x5e4 [ 221.721406][ T5456] invoke_syscall+0x98/0x2b8 [ 221.722616][ T5456] el0_svc_common+0x138/0x258 [ 221.723871][ T5456] do_el0_svc+0x58/0x14c [ 221.725027][ T5456] el0_svc+0x78/0x1e0 [ 221.726176][ T5456] el0t_64_sync_handler+0xcc/0xe4 [ 221.727538][ T5456] el0t_64_sync+0x1a0/0x1a4 [ 221.730919][ T5456] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.734643][ T5456] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.049704][ T5458] loop1: detected capacity change from 0 to 32768 [ 222.113372][ T5458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.115346][ T5458] CPU: 1 PID: 5458 Comm: syz.1.281 Not tainted 5.15.184-syzkaller #0 [ 222.117407][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 222.120116][ T5458] Call trace: [ 222.120981][ T5458] dump_backtrace+0x0/0x43c [ 222.122261][ T5458] show_stack+0x2c/0x3c [ 222.123355][ T5458] __dump_stack+0x30/0x40 [ 222.124551][ T5458] dump_stack_lvl+0xf8/0x160 [ 222.125791][ T5458] dump_stack+0x1c/0x5c [ 222.126885][ T5458] sysfs_create_dir_ns+0x22c/0x24c [ 222.128264][ T5458] kobject_add_internal+0x590/0xc54 [ 222.129649][ T5458] kobject_init_and_add+0x118/0x17c [ 222.131031][ T5458] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.132325][ T5458] gfs2_fill_super+0xdac/0x19e0 [ 222.133592][ T5458] get_tree_bdev+0x358/0x544 [ 222.134831][ T5458] gfs2_get_tree+0x54/0x1b4 [ 222.136026][ T5458] vfs_get_tree+0x90/0x274 [ 222.137206][ T5458] do_new_mount+0x228/0x810 [ 222.138418][ T5458] path_mount+0x5b4/0x1000 [ 222.139555][ T5458] __arm64_sys_mount+0x514/0x5e4 [ 222.140907][ T5458] invoke_syscall+0x98/0x2b8 [ 222.142177][ T5458] el0_svc_common+0x138/0x258 [ 222.143397][ T5458] do_el0_svc+0x58/0x14c [ 222.144549][ T5458] el0_svc+0x78/0x1e0 [ 222.145630][ T5458] el0t_64_sync_handler+0xcc/0xe4 [ 222.146909][ T5458] el0t_64_sync+0x1a0/0x1a4 [ 222.149034][ T5458] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.152951][ T5458] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.425632][ T5460] loop1: detected capacity change from 0 to 32768 [ 222.481256][ T5460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.483463][ T5460] CPU: 1 PID: 5460 Comm: syz.1.282 Not tainted 5.15.184-syzkaller #0 [ 222.485591][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 222.488280][ T5460] Call trace: [ 222.489126][ T5460] dump_backtrace+0x0/0x43c [ 222.490305][ T5460] show_stack+0x2c/0x3c [ 222.491426][ T5460] __dump_stack+0x30/0x40 [ 222.492561][ T5460] dump_stack_lvl+0xf8/0x160 [ 222.493734][ T5460] dump_stack+0x1c/0x5c [ 222.494830][ T5460] sysfs_create_dir_ns+0x22c/0x24c [ 222.496165][ T5460] kobject_add_internal+0x590/0xc54 [ 222.497620][ T5460] kobject_init_and_add+0x118/0x17c [ 222.499041][ T5460] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.500351][ T5460] gfs2_fill_super+0xdac/0x19e0 [ 222.501606][ T5460] get_tree_bdev+0x358/0x544 [ 222.502841][ T5460] gfs2_get_tree+0x54/0x1b4 [ 222.504041][ T5460] vfs_get_tree+0x90/0x274 [ 222.505329][ T5460] do_new_mount+0x228/0x810 [ 222.506537][ T5460] path_mount+0x5b4/0x1000 [ 222.507671][ T5460] __arm64_sys_mount+0x514/0x5e4 [ 222.508956][ T5460] invoke_syscall+0x98/0x2b8 [ 222.510177][ T5460] el0_svc_common+0x138/0x258 [ 222.511436][ T5460] do_el0_svc+0x58/0x14c [ 222.512532][ T5460] el0_svc+0x78/0x1e0 [ 222.513691][ T5460] el0t_64_sync_handler+0xcc/0xe4 [ 222.514990][ T5460] el0t_64_sync+0x1a0/0x1a4 [ 222.517483][ T5460] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.520960][ T5460] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.792596][ T5462] loop1: detected capacity change from 0 to 32768 [ 222.853731][ T5462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.855784][ T5462] CPU: 1 PID: 5462 Comm: syz.1.283 Not tainted 5.15.184-syzkaller #0 [ 222.857959][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 222.860648][ T5462] Call trace: [ 222.861497][ T5462] dump_backtrace+0x0/0x43c [ 222.862667][ T5462] show_stack+0x2c/0x3c [ 222.863816][ T5462] __dump_stack+0x30/0x40 [ 222.864958][ T5462] dump_stack_lvl+0xf8/0x160 [ 222.866138][ T5462] dump_stack+0x1c/0x5c [ 222.867238][ T5462] sysfs_create_dir_ns+0x22c/0x24c [ 222.868591][ T5462] kobject_add_internal+0x590/0xc54 [ 222.869968][ T5462] kobject_init_and_add+0x118/0x17c [ 222.871359][ T5462] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.872619][ T5462] gfs2_fill_super+0xdac/0x19e0 [ 222.873933][ T5462] get_tree_bdev+0x358/0x544 [ 222.875148][ T5462] gfs2_get_tree+0x54/0x1b4 [ 222.876417][ T5462] vfs_get_tree+0x90/0x274 [ 222.877579][ T5462] do_new_mount+0x228/0x810 [ 222.878829][ T5462] path_mount+0x5b4/0x1000 [ 222.879979][ T5462] __arm64_sys_mount+0x514/0x5e4 [ 222.881339][ T5462] invoke_syscall+0x98/0x2b8 [ 222.882583][ T5462] el0_svc_common+0x138/0x258 [ 222.883789][ T5462] do_el0_svc+0x58/0x14c [ 222.884914][ T5462] el0_svc+0x78/0x1e0 [ 222.885990][ T5462] el0t_64_sync_handler+0xcc/0xe4 [ 222.887355][ T5462] el0t_64_sync+0x1a0/0x1a4 [ 222.891971][ T5462] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.895636][ T5462] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.162266][ T5464] loop1: detected capacity change from 0 to 32768 [ 223.221050][ T5464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.223112][ T5464] CPU: 0 PID: 5464 Comm: syz.1.284 Not tainted 5.15.184-syzkaller #0 [ 223.225221][ T5464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.227807][ T5464] Call trace: [ 223.228635][ T5464] dump_backtrace+0x0/0x43c [ 223.229823][ T5464] show_stack+0x2c/0x3c [ 223.230942][ T5464] __dump_stack+0x30/0x40 [ 223.232065][ T5464] dump_stack_lvl+0xf8/0x160 [ 223.233304][ T5464] dump_stack+0x1c/0x5c [ 223.234429][ T5464] sysfs_create_dir_ns+0x22c/0x24c [ 223.235782][ T5464] kobject_add_internal+0x590/0xc54 [ 223.237191][ T5464] kobject_init_and_add+0x118/0x17c [ 223.238584][ T5464] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.239829][ T5464] gfs2_fill_super+0xdac/0x19e0 [ 223.241118][ T5464] get_tree_bdev+0x358/0x544 [ 223.242294][ T5464] gfs2_get_tree+0x54/0x1b4 [ 223.243545][ T5464] vfs_get_tree+0x90/0x274 [ 223.244679][ T5464] do_new_mount+0x228/0x810 [ 223.245833][ T5464] path_mount+0x5b4/0x1000 [ 223.246971][ T5464] __arm64_sys_mount+0x514/0x5e4 [ 223.248277][ T5464] invoke_syscall+0x98/0x2b8 [ 223.249624][ T5464] el0_svc_common+0x138/0x258 [ 223.250862][ T5464] do_el0_svc+0x58/0x14c [ 223.251976][ T5464] el0_svc+0x78/0x1e0 [ 223.253012][ T5464] el0t_64_sync_handler+0xcc/0xe4 [ 223.254325][ T5464] el0t_64_sync+0x1a0/0x1a4 [ 223.259676][ T5464] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.263279][ T5464] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.548262][ T5466] loop1: detected capacity change from 0 to 32768 [ 223.602233][ T5466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.604260][ T5466] CPU: 1 PID: 5466 Comm: syz.1.285 Not tainted 5.15.184-syzkaller #0 [ 223.606372][ T5466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.609034][ T5466] Call trace: [ 223.609909][ T5466] dump_backtrace+0x0/0x43c [ 223.611061][ T5466] show_stack+0x2c/0x3c [ 223.612203][ T5466] __dump_stack+0x30/0x40 [ 223.613331][ T5466] dump_stack_lvl+0xf8/0x160 [ 223.614576][ T5466] dump_stack+0x1c/0x5c [ 223.615695][ T5466] sysfs_create_dir_ns+0x22c/0x24c [ 223.617052][ T5466] kobject_add_internal+0x590/0xc54 [ 223.618459][ T5466] kobject_init_and_add+0x118/0x17c [ 223.619837][ T5466] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.621086][ T5466] gfs2_fill_super+0xdac/0x19e0 [ 223.622485][ T5466] get_tree_bdev+0x358/0x544 [ 223.623668][ T5466] gfs2_get_tree+0x54/0x1b4 [ 223.624853][ T5466] vfs_get_tree+0x90/0x274 [ 223.626052][ T5466] do_new_mount+0x228/0x810 [ 223.627244][ T5466] path_mount+0x5b4/0x1000 [ 223.628422][ T5466] __arm64_sys_mount+0x514/0x5e4 [ 223.629734][ T5466] invoke_syscall+0x98/0x2b8 [ 223.631026][ T5466] el0_svc_common+0x138/0x258 [ 223.632296][ T5466] do_el0_svc+0x58/0x14c [ 223.633408][ T5466] el0_svc+0x78/0x1e0 [ 223.634445][ T5466] el0t_64_sync_handler+0xcc/0xe4 [ 223.635819][ T5466] el0t_64_sync+0x1a0/0x1a4 [ 223.637279][ T5466] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.640767][ T5466] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.913586][ T5468] loop1: detected capacity change from 0 to 32768 [ 223.989430][ T5468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.991891][ T5468] CPU: 0 PID: 5468 Comm: syz.1.286 Not tainted 5.15.184-syzkaller #0 [ 223.994116][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.996812][ T5468] Call trace: [ 223.997655][ T5468] dump_backtrace+0x0/0x43c [ 223.998892][ T5468] show_stack+0x2c/0x3c [ 224.000015][ T5468] __dump_stack+0x30/0x40 [ 224.001133][ T5468] dump_stack_lvl+0xf8/0x160 [ 224.002349][ T5468] dump_stack+0x1c/0x5c [ 224.003436][ T5468] sysfs_create_dir_ns+0x22c/0x24c [ 224.004803][ T5468] kobject_add_internal+0x590/0xc54 [ 224.006207][ T5468] kobject_init_and_add+0x118/0x17c [ 224.007575][ T5468] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.008793][ T5468] gfs2_fill_super+0xdac/0x19e0 [ 224.010103][ T5468] get_tree_bdev+0x358/0x544 [ 224.011328][ T5468] gfs2_get_tree+0x54/0x1b4 [ 224.012545][ T5468] vfs_get_tree+0x90/0x274 [ 224.013735][ T5468] do_new_mount+0x228/0x810 [ 224.014988][ T5468] path_mount+0x5b4/0x1000 [ 224.016160][ T5468] __arm64_sys_mount+0x514/0x5e4 [ 224.017506][ T5468] invoke_syscall+0x98/0x2b8 [ 224.018723][ T5468] el0_svc_common+0x138/0x258 [ 224.019971][ T5468] do_el0_svc+0x58/0x14c [ 224.021135][ T5468] el0_svc+0x78/0x1e0 [ 224.022204][ T5468] el0t_64_sync_handler+0xcc/0xe4 [ 224.023549][ T5468] el0t_64_sync+0x1a0/0x1a4 [ 224.026868][ T5468] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.030341][ T5468] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.294950][ T5470] loop1: detected capacity change from 0 to 32768 [ 224.344056][ T5470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.346029][ T5470] CPU: 0 PID: 5470 Comm: syz.1.287 Not tainted 5.15.184-syzkaller #0 [ 224.348143][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.350811][ T5470] Call trace: [ 224.351672][ T5470] dump_backtrace+0x0/0x43c [ 224.352921][ T5470] show_stack+0x2c/0x3c [ 224.353999][ T5470] __dump_stack+0x30/0x40 [ 224.355210][ T5470] dump_stack_lvl+0xf8/0x160 [ 224.356499][ T5470] dump_stack+0x1c/0x5c [ 224.357601][ T5470] sysfs_create_dir_ns+0x22c/0x24c [ 224.358939][ T5470] kobject_add_internal+0x590/0xc54 [ 224.360360][ T5470] kobject_init_and_add+0x118/0x17c [ 224.361738][ T5470] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.363016][ T5470] gfs2_fill_super+0xdac/0x19e0 [ 224.364306][ T5470] get_tree_bdev+0x358/0x544 [ 224.365511][ T5470] gfs2_get_tree+0x54/0x1b4 [ 224.366699][ T5470] vfs_get_tree+0x90/0x274 [ 224.367876][ T5470] do_new_mount+0x228/0x810 [ 224.369064][ T5470] path_mount+0x5b4/0x1000 [ 224.370254][ T5470] __arm64_sys_mount+0x514/0x5e4 [ 224.371627][ T5470] invoke_syscall+0x98/0x2b8 [ 224.372900][ T5470] el0_svc_common+0x138/0x258 [ 224.374123][ T5470] do_el0_svc+0x58/0x14c [ 224.375237][ T5470] el0_svc+0x78/0x1e0 [ 224.376303][ T5470] el0t_64_sync_handler+0xcc/0xe4 [ 224.377683][ T5470] el0t_64_sync+0x1a0/0x1a4 [ 224.379661][ T5470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.383288][ T5470] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.663711][ T5472] loop1: detected capacity change from 0 to 32768 [ 224.707462][ T5472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.710816][ T5472] CPU: 0 PID: 5472 Comm: syz.1.288 Not tainted 5.15.184-syzkaller #0 [ 224.713026][ T5472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.715807][ T5472] Call trace: [ 224.716671][ T5472] dump_backtrace+0x0/0x43c [ 224.717867][ T5472] show_stack+0x2c/0x3c [ 224.718969][ T5472] __dump_stack+0x30/0x40 [ 224.720111][ T5472] dump_stack_lvl+0xf8/0x160 [ 224.721403][ T5472] dump_stack+0x1c/0x5c [ 224.722508][ T5472] sysfs_create_dir_ns+0x22c/0x24c [ 224.723854][ T5472] kobject_add_internal+0x590/0xc54 [ 224.725241][ T5472] kobject_init_and_add+0x118/0x17c [ 224.726698][ T5472] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.727942][ T5472] gfs2_fill_super+0xdac/0x19e0 [ 224.729223][ T5472] get_tree_bdev+0x358/0x544 [ 224.730458][ T5472] gfs2_get_tree+0x54/0x1b4 [ 224.731662][ T5472] vfs_get_tree+0x90/0x274 [ 224.732888][ T5472] do_new_mount+0x228/0x810 [ 224.734181][ T5472] path_mount+0x5b4/0x1000 [ 224.735435][ T5472] __arm64_sys_mount+0x514/0x5e4 [ 224.736779][ T5472] invoke_syscall+0x98/0x2b8 [ 224.738005][ T5472] el0_svc_common+0x138/0x258 [ 224.739275][ T5472] do_el0_svc+0x58/0x14c [ 224.740439][ T5472] el0_svc+0x78/0x1e0 [ 224.741515][ T5472] el0t_64_sync_handler+0xcc/0xe4 [ 224.742881][ T5472] el0t_64_sync+0x1a0/0x1a4 [ 224.746714][ T5472] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.750203][ T5472] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:44 executed programs: 275 [ 225.025376][ T5474] loop1: detected capacity change from 0 to 32768 [ 225.075646][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.077633][ T5474] CPU: 1 PID: 5474 Comm: syz.1.289 Not tainted 5.15.184-syzkaller #0 [ 225.079811][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 225.082463][ T5474] Call trace: [ 225.083295][ T5474] dump_backtrace+0x0/0x43c [ 225.084523][ T5474] show_stack+0x2c/0x3c [ 225.085628][ T5474] __dump_stack+0x30/0x40 [ 225.086787][ T5474] dump_stack_lvl+0xf8/0x160 [ 225.088087][ T5474] dump_stack+0x1c/0x5c [ 225.089210][ T5474] sysfs_create_dir_ns+0x22c/0x24c [ 225.090600][ T5474] kobject_add_internal+0x590/0xc54 [ 225.091964][ T5474] kobject_init_and_add+0x118/0x17c [ 225.093433][ T5474] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.094698][ T5474] gfs2_fill_super+0xdac/0x19e0 [ 225.095995][ T5474] get_tree_bdev+0x358/0x544 [ 225.097231][ T5474] gfs2_get_tree+0x54/0x1b4 [ 225.098535][ T5474] vfs_get_tree+0x90/0x274 [ 225.099700][ T5474] do_new_mount+0x228/0x810 [ 225.100953][ T5474] path_mount+0x5b4/0x1000 [ 225.102124][ T5474] __arm64_sys_mount+0x514/0x5e4 [ 225.103409][ T5474] invoke_syscall+0x98/0x2b8 [ 225.104643][ T5474] el0_svc_common+0x138/0x258 [ 225.105885][ T5474] do_el0_svc+0x58/0x14c [ 225.107007][ T5474] el0_svc+0x78/0x1e0 [ 225.108071][ T5474] el0t_64_sync_handler+0xcc/0xe4 [ 225.109448][ T5474] el0t_64_sync+0x1a0/0x1a4 [ 225.114452][ T5474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.118242][ T5474] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.322272][ T21] Bluetooth: hci0: command 0x0406 tx timeout [ 225.523311][ T5476] loop1: detected capacity change from 0 to 32768 [ 225.529531][ T5476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.531758][ T5476] CPU: 1 PID: 5476 Comm: syz.1.290 Not tainted 5.15.184-syzkaller #0 [ 225.533885][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 225.536597][ T5476] Call trace: [ 225.537467][ T5476] dump_backtrace+0x0/0x43c [ 225.538663][ T5476] show_stack+0x2c/0x3c [ 225.539764][ T5476] __dump_stack+0x30/0x40 [ 225.540873][ T5476] dump_stack_lvl+0xf8/0x160 [ 225.542058][ T5476] dump_stack+0x1c/0x5c [ 225.543168][ T5476] sysfs_create_dir_ns+0x22c/0x24c [ 225.544531][ T5476] kobject_add_internal+0x590/0xc54 [ 225.545885][ T5476] kobject_init_and_add+0x118/0x17c [ 225.547289][ T5476] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.548617][ T5476] gfs2_fill_super+0xdac/0x19e0 [ 225.549862][ T5476] get_tree_bdev+0x358/0x544 [ 225.551030][ T5476] gfs2_get_tree+0x54/0x1b4 [ 225.552201][ T5476] vfs_get_tree+0x90/0x274 [ 225.553421][ T5476] do_new_mount+0x228/0x810 [ 225.554594][ T5476] path_mount+0x5b4/0x1000 [ 225.555788][ T5476] __arm64_sys_mount+0x514/0x5e4 [ 225.557112][ T5476] invoke_syscall+0x98/0x2b8 [ 225.558338][ T5476] el0_svc_common+0x138/0x258 [ 225.559598][ T5476] do_el0_svc+0x58/0x14c [ 225.560692][ T5476] el0_svc+0x78/0x1e0 [ 225.561760][ T5476] el0t_64_sync_handler+0xcc/0xe4 [ 225.563078][ T5476] el0t_64_sync+0x1a0/0x1a4 [ 225.565139][ T5476] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.568718][ T5476] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.989932][ T5478] loop1: detected capacity change from 0 to 32768 [ 226.003282][ T5478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.005576][ T5478] CPU: 1 PID: 5478 Comm: syz.1.291 Not tainted 5.15.184-syzkaller #0 [ 226.007784][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 226.010499][ T5478] Call trace: [ 226.011363][ T5478] dump_backtrace+0x0/0x43c [ 226.012536][ T5478] show_stack+0x2c/0x3c [ 226.013674][ T5478] __dump_stack+0x30/0x40 [ 226.014864][ T5478] dump_stack_lvl+0xf8/0x160 [ 226.016051][ T5478] dump_stack+0x1c/0x5c [ 226.017188][ T5478] sysfs_create_dir_ns+0x22c/0x24c [ 226.018645][ T5478] kobject_add_internal+0x590/0xc54 [ 226.020032][ T5478] kobject_init_and_add+0x118/0x17c [ 226.021412][ T5478] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.022675][ T5478] gfs2_fill_super+0xdac/0x19e0 [ 226.024032][ T5478] get_tree_bdev+0x358/0x544 [ 226.025211][ T5478] gfs2_get_tree+0x54/0x1b4 [ 226.026450][ T5478] vfs_get_tree+0x90/0x274 [ 226.027646][ T5478] do_new_mount+0x228/0x810 [ 226.028836][ T5478] path_mount+0x5b4/0x1000 [ 226.030021][ T5478] __arm64_sys_mount+0x514/0x5e4 [ 226.031351][ T5478] invoke_syscall+0x98/0x2b8 [ 226.032587][ T5478] el0_svc_common+0x138/0x258 [ 226.033861][ T5478] do_el0_svc+0x58/0x14c [ 226.034972][ T5478] el0_svc+0x78/0x1e0 [ 226.036050][ T5478] el0t_64_sync_handler+0xcc/0xe4 [ 226.037363][ T5478] el0t_64_sync+0x1a0/0x1a4 [ 226.041461][ T5478] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.045585][ T5478] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.321728][ T5480] loop1: detected capacity change from 0 to 32768 [ 226.370508][ T5480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.372700][ T5480] CPU: 1 PID: 5480 Comm: syz.1.292 Not tainted 5.15.184-syzkaller #0 [ 226.374821][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 226.377479][ T5480] Call trace: [ 226.378324][ T5480] dump_backtrace+0x0/0x43c [ 226.379566][ T5480] show_stack+0x2c/0x3c [ 226.380670][ T5480] __dump_stack+0x30/0x40 [ 226.381818][ T5480] dump_stack_lvl+0xf8/0x160 [ 226.383032][ T5480] dump_stack+0x1c/0x5c [ 226.384113][ T5480] sysfs_create_dir_ns+0x22c/0x24c [ 226.385471][ T5480] kobject_add_internal+0x590/0xc54 [ 226.386806][ T5480] kobject_init_and_add+0x118/0x17c [ 226.388139][ T5480] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.389413][ T5480] gfs2_fill_super+0xdac/0x19e0 [ 226.390674][ T5480] get_tree_bdev+0x358/0x544 [ 226.391844][ T5480] gfs2_get_tree+0x54/0x1b4 [ 226.393031][ T5480] vfs_get_tree+0x90/0x274 [ 226.394177][ T5480] do_new_mount+0x228/0x810 [ 226.395359][ T5480] path_mount+0x5b4/0x1000 [ 226.396554][ T5480] __arm64_sys_mount+0x514/0x5e4 [ 226.397839][ T5480] invoke_syscall+0x98/0x2b8 [ 226.399059][ T5480] el0_svc_common+0x138/0x258 [ 226.400267][ T5480] do_el0_svc+0x58/0x14c [ 226.401387][ T5480] el0_svc+0x78/0x1e0 [ 226.402460][ T5480] el0t_64_sync_handler+0xcc/0xe4 [ 226.403793][ T5480] el0t_64_sync+0x1a0/0x1a4 [ 226.407078][ T5480] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.410570][ T5480] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.671894][ T5482] loop1: detected capacity change from 0 to 32768 [ 226.721070][ T5482] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.723152][ T5482] CPU: 1 PID: 5482 Comm: syz.1.293 Not tainted 5.15.184-syzkaller #0 [ 226.725356][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 226.728042][ T5482] Call trace: [ 226.728956][ T5482] dump_backtrace+0x0/0x43c [ 226.730136][ T5482] show_stack+0x2c/0x3c [ 226.731241][ T5482] __dump_stack+0x30/0x40 [ 226.732348][ T5482] dump_stack_lvl+0xf8/0x160 [ 226.733571][ T5482] dump_stack+0x1c/0x5c [ 226.734625][ T5482] sysfs_create_dir_ns+0x22c/0x24c [ 226.735973][ T5482] kobject_add_internal+0x590/0xc54 [ 226.737335][ T5482] kobject_init_and_add+0x118/0x17c [ 226.738748][ T5482] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.739972][ T5482] gfs2_fill_super+0xdac/0x19e0 [ 226.741274][ T5482] get_tree_bdev+0x358/0x544 [ 226.742498][ T5482] gfs2_get_tree+0x54/0x1b4 [ 226.743673][ T5482] vfs_get_tree+0x90/0x274 [ 226.744841][ T5482] do_new_mount+0x228/0x810 [ 226.746005][ T5482] path_mount+0x5b4/0x1000 [ 226.747210][ T5482] __arm64_sys_mount+0x514/0x5e4 [ 226.748544][ T5482] invoke_syscall+0x98/0x2b8 [ 226.749718][ T5482] el0_svc_common+0x138/0x258 [ 226.750932][ T5482] do_el0_svc+0x58/0x14c [ 226.752049][ T5482] el0_svc+0x78/0x1e0 [ 226.753148][ T5482] el0t_64_sync_handler+0xcc/0xe4 [ 226.754459][ T5482] el0t_64_sync+0x1a0/0x1a4 [ 226.758005][ T5482] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.761690][ T5482] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.027908][ T5484] loop1: detected capacity change from 0 to 32768 [ 227.073866][ T5484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.075930][ T5484] CPU: 0 PID: 5484 Comm: syz.1.294 Not tainted 5.15.184-syzkaller #0 [ 227.078015][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 227.080706][ T5484] Call trace: [ 227.081591][ T5484] dump_backtrace+0x0/0x43c [ 227.082794][ T5484] show_stack+0x2c/0x3c [ 227.084000][ T5484] __dump_stack+0x30/0x40 [ 227.085165][ T5484] dump_stack_lvl+0xf8/0x160 [ 227.086421][ T5484] dump_stack+0x1c/0x5c [ 227.087576][ T5484] sysfs_create_dir_ns+0x22c/0x24c [ 227.089029][ T5484] kobject_add_internal+0x590/0xc54 [ 227.090407][ T5484] kobject_init_and_add+0x118/0x17c [ 227.091803][ T5484] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.093011][ T5484] gfs2_fill_super+0xdac/0x19e0 [ 227.094324][ T5484] get_tree_bdev+0x358/0x544 [ 227.095571][ T5484] gfs2_get_tree+0x54/0x1b4 [ 227.096795][ T5484] vfs_get_tree+0x90/0x274 [ 227.097940][ T5484] do_new_mount+0x228/0x810 [ 227.099115][ T5484] path_mount+0x5b4/0x1000 [ 227.100362][ T5484] __arm64_sys_mount+0x514/0x5e4 [ 227.101718][ T5484] invoke_syscall+0x98/0x2b8 [ 227.102913][ T5484] el0_svc_common+0x138/0x258 [ 227.104163][ T5484] do_el0_svc+0x58/0x14c [ 227.105284][ T5484] el0_svc+0x78/0x1e0 [ 227.106409][ T5484] el0t_64_sync_handler+0xcc/0xe4 [ 227.107770][ T5484] el0t_64_sync+0x1a0/0x1a4 [ 227.120022][ T5484] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.123841][ T5484] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.408153][ T5486] loop1: detected capacity change from 0 to 32768 [ 227.457662][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.459812][ T5486] CPU: 1 PID: 5486 Comm: syz.1.295 Not tainted 5.15.184-syzkaller #0 [ 227.461961][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 227.464614][ T5486] Call trace: [ 227.465506][ T5486] dump_backtrace+0x0/0x43c [ 227.466729][ T5486] show_stack+0x2c/0x3c [ 227.467816][ T5486] __dump_stack+0x30/0x40 [ 227.468982][ T5486] dump_stack_lvl+0xf8/0x160 [ 227.470195][ T5486] dump_stack+0x1c/0x5c [ 227.471290][ T5486] sysfs_create_dir_ns+0x22c/0x24c [ 227.472717][ T5486] kobject_add_internal+0x590/0xc54 [ 227.474088][ T5486] kobject_init_and_add+0x118/0x17c [ 227.475476][ T5486] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.476767][ T5486] gfs2_fill_super+0xdac/0x19e0 [ 227.478060][ T5486] get_tree_bdev+0x358/0x544 [ 227.479355][ T5486] gfs2_get_tree+0x54/0x1b4 [ 227.480569][ T5486] vfs_get_tree+0x90/0x274 [ 227.481716][ T5486] do_new_mount+0x228/0x810 [ 227.482898][ T5486] path_mount+0x5b4/0x1000 [ 227.484088][ T5486] __arm64_sys_mount+0x514/0x5e4 [ 227.485417][ T5486] invoke_syscall+0x98/0x2b8 [ 227.486613][ T5486] el0_svc_common+0x138/0x258 [ 227.487863][ T5486] do_el0_svc+0x58/0x14c [ 227.488975][ T5486] el0_svc+0x78/0x1e0 [ 227.490077][ T5486] el0t_64_sync_handler+0xcc/0xe4 [ 227.491452][ T5486] el0t_64_sync+0x1a0/0x1a4 [ 227.496849][ T5486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.500404][ T5486] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.766893][ T5488] loop1: detected capacity change from 0 to 32768 [ 227.822673][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.824782][ T5488] CPU: 1 PID: 5488 Comm: syz.1.296 Not tainted 5.15.184-syzkaller #0 [ 227.826845][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 227.829408][ T5488] Call trace: [ 227.830296][ T5488] dump_backtrace+0x0/0x43c [ 227.831517][ T5488] show_stack+0x2c/0x3c [ 227.832615][ T5488] __dump_stack+0x30/0x40 [ 227.833743][ T5488] dump_stack_lvl+0xf8/0x160 [ 227.834953][ T5488] dump_stack+0x1c/0x5c [ 227.836030][ T5488] sysfs_create_dir_ns+0x22c/0x24c [ 227.837436][ T5488] kobject_add_internal+0x590/0xc54 [ 227.838801][ T5488] kobject_init_and_add+0x118/0x17c [ 227.840138][ T5488] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.841341][ T5488] gfs2_fill_super+0xdac/0x19e0 [ 227.842738][ T5488] get_tree_bdev+0x358/0x544 [ 227.843930][ T5488] gfs2_get_tree+0x54/0x1b4 [ 227.845124][ T5488] vfs_get_tree+0x90/0x274 [ 227.846282][ T5488] do_new_mount+0x228/0x810 [ 227.847535][ T5488] path_mount+0x5b4/0x1000 [ 227.848720][ T5488] __arm64_sys_mount+0x514/0x5e4 [ 227.850035][ T5488] invoke_syscall+0x98/0x2b8 [ 227.851272][ T5488] el0_svc_common+0x138/0x258 [ 227.852513][ T5488] do_el0_svc+0x58/0x14c [ 227.853692][ T5488] el0_svc+0x78/0x1e0 [ 227.854824][ T5488] el0t_64_sync_handler+0xcc/0xe4 [ 227.856225][ T5488] el0t_64_sync+0x1a0/0x1a4 [ 227.860212][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.863895][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.128158][ T5490] loop1: detected capacity change from 0 to 32768 [ 228.178167][ T5490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.180213][ T5490] CPU: 1 PID: 5490 Comm: syz.1.297 Not tainted 5.15.184-syzkaller #0 [ 228.182419][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 228.185189][ T5490] Call trace: [ 228.186063][ T5490] dump_backtrace+0x0/0x43c [ 228.187273][ T5490] show_stack+0x2c/0x3c [ 228.188352][ T5490] __dump_stack+0x30/0x40 [ 228.189497][ T5490] dump_stack_lvl+0xf8/0x160 [ 228.190677][ T5490] dump_stack+0x1c/0x5c [ 228.191771][ T5490] sysfs_create_dir_ns+0x22c/0x24c [ 228.193118][ T5490] kobject_add_internal+0x590/0xc54 [ 228.194507][ T5490] kobject_init_and_add+0x118/0x17c [ 228.195872][ T5490] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.197097][ T5490] gfs2_fill_super+0xdac/0x19e0 [ 228.198402][ T5490] get_tree_bdev+0x358/0x544 [ 228.199628][ T5490] gfs2_get_tree+0x54/0x1b4 [ 228.200803][ T5490] vfs_get_tree+0x90/0x274 [ 228.201928][ T5490] do_new_mount+0x228/0x810 [ 228.203120][ T5490] path_mount+0x5b4/0x1000 [ 228.204259][ T5490] __arm64_sys_mount+0x514/0x5e4 [ 228.205568][ T5490] invoke_syscall+0x98/0x2b8 [ 228.206931][ T5490] el0_svc_common+0x138/0x258 [ 228.208146][ T5490] do_el0_svc+0x58/0x14c [ 228.209246][ T5490] el0_svc+0x78/0x1e0 [ 228.210274][ T5490] el0t_64_sync_handler+0xcc/0xe4 [ 228.211631][ T5490] el0t_64_sync+0x1a0/0x1a4 [ 228.214939][ T5490] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.218369][ T5490] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.530139][ T5492] loop1: detected capacity change from 0 to 32768 [ 228.536012][ T5492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.538083][ T5492] CPU: 0 PID: 5492 Comm: syz.1.298 Not tainted 5.15.184-syzkaller #0 [ 228.540194][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 228.542924][ T5492] Call trace: [ 228.543802][ T5492] dump_backtrace+0x0/0x43c [ 228.544983][ T5492] show_stack+0x2c/0x3c [ 228.546100][ T5492] __dump_stack+0x30/0x40 [ 228.547293][ T5492] dump_stack_lvl+0xf8/0x160 [ 228.548565][ T5492] dump_stack+0x1c/0x5c [ 228.549751][ T5492] sysfs_create_dir_ns+0x22c/0x24c [ 228.551140][ T5492] kobject_add_internal+0x590/0xc54 [ 228.552605][ T5492] kobject_init_and_add+0x118/0x17c [ 228.554006][ T5492] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.555323][ T5492] gfs2_fill_super+0xdac/0x19e0 [ 228.556645][ T5492] get_tree_bdev+0x358/0x544 [ 228.557864][ T5492] gfs2_get_tree+0x54/0x1b4 [ 228.559097][ T5492] vfs_get_tree+0x90/0x274 [ 228.560261][ T5492] do_new_mount+0x228/0x810 [ 228.561470][ T5492] path_mount+0x5b4/0x1000 [ 228.562655][ T5492] __arm64_sys_mount+0x514/0x5e4 [ 228.563949][ T5492] invoke_syscall+0x98/0x2b8 [ 228.565213][ T5492] el0_svc_common+0x138/0x258 [ 228.566515][ T5492] do_el0_svc+0x58/0x14c [ 228.567633][ T5492] el0_svc+0x78/0x1e0 [ 228.568688][ T5492] el0t_64_sync_handler+0xcc/0xe4 [ 228.570015][ T5492] el0t_64_sync+0x1a0/0x1a4 [ 228.572130][ T5492] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.575613][ T5492] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.996460][ T5494] loop1: detected capacity change from 0 to 32768 [ 229.072434][ T5494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.074432][ T5494] CPU: 0 PID: 5494 Comm: syz.1.299 Not tainted 5.15.184-syzkaller #0 [ 229.076542][ T5494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 229.079211][ T5494] Call trace: [ 229.080051][ T5494] dump_backtrace+0x0/0x43c [ 229.081260][ T5494] show_stack+0x2c/0x3c [ 229.082358][ T5494] __dump_stack+0x30/0x40 [ 229.083611][ T5494] dump_stack_lvl+0xf8/0x160 [ 229.084889][ T5494] dump_stack+0x1c/0x5c [ 229.085990][ T5494] sysfs_create_dir_ns+0x22c/0x24c [ 229.087342][ T5494] kobject_add_internal+0x590/0xc54 [ 229.088728][ T5494] kobject_init_and_add+0x118/0x17c [ 229.090125][ T5494] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.091373][ T5494] gfs2_fill_super+0xdac/0x19e0 [ 229.092659][ T5494] get_tree_bdev+0x358/0x544 [ 229.093864][ T5494] gfs2_get_tree+0x54/0x1b4 [ 229.095113][ T5494] vfs_get_tree+0x90/0x274 [ 229.096351][ T5494] do_new_mount+0x228/0x810 [ 229.097524][ T5494] path_mount+0x5b4/0x1000 [ 229.098701][ T5494] __arm64_sys_mount+0x514/0x5e4 [ 229.099998][ T5494] invoke_syscall+0x98/0x2b8 [ 229.101220][ T5494] el0_svc_common+0x138/0x258 [ 229.102503][ T5494] do_el0_svc+0x58/0x14c [ 229.103653][ T5494] el0_svc+0x78/0x1e0 [ 229.104708][ T5494] el0t_64_sync_handler+0xcc/0xe4 [ 229.106082][ T5494] el0t_64_sync+0x1a0/0x1a4 [ 229.109401][ T5494] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.113853][ T5494] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.374845][ T5496] loop1: detected capacity change from 0 to 32768 [ 229.426866][ T5496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.428836][ T5496] CPU: 0 PID: 5496 Comm: syz.1.300 Not tainted 5.15.184-syzkaller #0 [ 229.430926][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 229.433612][ T5496] Call trace: [ 229.434475][ T5496] dump_backtrace+0x0/0x43c [ 229.435718][ T5496] show_stack+0x2c/0x3c [ 229.436791][ T5496] __dump_stack+0x30/0x40 [ 229.437952][ T5496] dump_stack_lvl+0xf8/0x160 [ 229.439184][ T5496] dump_stack+0x1c/0x5c [ 229.440320][ T5496] sysfs_create_dir_ns+0x22c/0x24c [ 229.441689][ T5496] kobject_add_internal+0x590/0xc54 [ 229.443064][ T5496] kobject_init_and_add+0x118/0x17c [ 229.444543][ T5496] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.445794][ T5496] gfs2_fill_super+0xdac/0x19e0 [ 229.447092][ T5496] get_tree_bdev+0x358/0x544 [ 229.448328][ T5496] gfs2_get_tree+0x54/0x1b4 [ 229.449549][ T5496] vfs_get_tree+0x90/0x274 [ 229.450727][ T5496] do_new_mount+0x228/0x810 [ 229.451882][ T5496] path_mount+0x5b4/0x1000 [ 229.453046][ T5496] __arm64_sys_mount+0x514/0x5e4 [ 229.454301][ T5496] invoke_syscall+0x98/0x2b8 [ 229.455498][ T5496] el0_svc_common+0x138/0x258 [ 229.456729][ T5496] do_el0_svc+0x58/0x14c [ 229.457884][ T5496] el0_svc+0x78/0x1e0 [ 229.458949][ T5496] el0t_64_sync_handler+0xcc/0xe4 [ 229.460278][ T5496] el0t_64_sync+0x1a0/0x1a4 [ 229.464195][ T5496] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.467694][ T5496] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.774027][ T5498] loop1: detected capacity change from 0 to 32768 [ 229.820789][ T5498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.822926][ T5498] CPU: 0 PID: 5498 Comm: syz.1.301 Not tainted 5.15.184-syzkaller #0 [ 229.825163][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 229.827820][ T5498] Call trace: [ 229.828674][ T5498] dump_backtrace+0x0/0x43c [ 229.829896][ T5498] show_stack+0x2c/0x3c [ 229.831052][ T5498] __dump_stack+0x30/0x40 [ 229.832165][ T5498] dump_stack_lvl+0xf8/0x160 [ 229.833404][ T5498] dump_stack+0x1c/0x5c [ 229.834526][ T5498] sysfs_create_dir_ns+0x22c/0x24c [ 229.835936][ T5498] kobject_add_internal+0x590/0xc54 [ 229.837361][ T5498] kobject_init_and_add+0x118/0x17c [ 229.838810][ T5498] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.840064][ T5498] gfs2_fill_super+0xdac/0x19e0 [ 229.841371][ T5498] get_tree_bdev+0x358/0x544 [ 229.842578][ T5498] gfs2_get_tree+0x54/0x1b4 [ 229.843793][ T5498] vfs_get_tree+0x90/0x274 [ 229.845003][ T5498] do_new_mount+0x228/0x810 [ 229.846154][ T5498] path_mount+0x5b4/0x1000 [ 229.847333][ T5498] __arm64_sys_mount+0x514/0x5e4 [ 229.848677][ T5498] invoke_syscall+0x98/0x2b8 [ 229.849914][ T5498] el0_svc_common+0x138/0x258 [ 229.851160][ T5498] do_el0_svc+0x58/0x14c [ 229.852290][ T5498] el0_svc+0x78/0x1e0 [ 229.853418][ T5498] el0t_64_sync_handler+0xcc/0xe4 [ 229.854754][ T5498] el0t_64_sync+0x1a0/0x1a4 [ 229.858558][ T5498] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.863751][ T5498] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:49 executed programs: 288 [ 230.125099][ T5500] loop1: detected capacity change from 0 to 32768 [ 230.174248][ T5500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.176298][ T5500] CPU: 0 PID: 5500 Comm: syz.1.302 Not tainted 5.15.184-syzkaller #0 [ 230.178466][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 230.181045][ T5500] Call trace: [ 230.181858][ T5500] dump_backtrace+0x0/0x43c [ 230.183083][ T5500] show_stack+0x2c/0x3c [ 230.184172][ T5500] __dump_stack+0x30/0x40 [ 230.185291][ T5500] dump_stack_lvl+0xf8/0x160 [ 230.186525][ T5500] dump_stack+0x1c/0x5c [ 230.187676][ T5500] sysfs_create_dir_ns+0x22c/0x24c [ 230.189051][ T5500] kobject_add_internal+0x590/0xc54 [ 230.190421][ T5500] kobject_init_and_add+0x118/0x17c [ 230.191766][ T5500] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.193088][ T5500] gfs2_fill_super+0xdac/0x19e0 [ 230.194376][ T5500] get_tree_bdev+0x358/0x544 [ 230.195580][ T5500] gfs2_get_tree+0x54/0x1b4 [ 230.196885][ T5500] vfs_get_tree+0x90/0x274 [ 230.198061][ T5500] do_new_mount+0x228/0x810 [ 230.199319][ T5500] path_mount+0x5b4/0x1000 [ 230.200561][ T5500] __arm64_sys_mount+0x514/0x5e4 [ 230.201889][ T5500] invoke_syscall+0x98/0x2b8 [ 230.203116][ T5500] el0_svc_common+0x138/0x258 [ 230.204376][ T5500] do_el0_svc+0x58/0x14c [ 230.205580][ T5500] el0_svc+0x78/0x1e0 [ 230.206687][ T5500] el0t_64_sync_handler+0xcc/0xe4 [ 230.208059][ T5500] el0t_64_sync+0x1a0/0x1a4 [ 230.211223][ T5500] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.216229][ T5500] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.622931][ T5502] loop1: detected capacity change from 0 to 32768 [ 230.687345][ T5502] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.691218][ T5502] CPU: 0 PID: 5502 Comm: syz.1.303 Not tainted 5.15.184-syzkaller #0 [ 230.693443][ T5502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 230.696190][ T5502] Call trace: [ 230.697173][ T5502] dump_backtrace+0x0/0x43c [ 230.698391][ T5502] show_stack+0x2c/0x3c [ 230.699557][ T5502] __dump_stack+0x30/0x40 [ 230.700727][ T5502] dump_stack_lvl+0xf8/0x160 [ 230.701964][ T5502] dump_stack+0x1c/0x5c [ 230.703102][ T5502] sysfs_create_dir_ns+0x22c/0x24c [ 230.704527][ T5502] kobject_add_internal+0x590/0xc54 [ 230.705908][ T5502] kobject_init_and_add+0x118/0x17c [ 230.707306][ T5502] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.708617][ T5502] gfs2_fill_super+0xdac/0x19e0 [ 230.709962][ T5502] get_tree_bdev+0x358/0x544 [ 230.711248][ T5502] gfs2_get_tree+0x54/0x1b4 [ 230.712476][ T5502] vfs_get_tree+0x90/0x274 [ 230.713631][ T5502] do_new_mount+0x228/0x810 [ 230.714863][ T5502] path_mount+0x5b4/0x1000 [ 230.716027][ T5502] __arm64_sys_mount+0x514/0x5e4 [ 230.717316][ T5502] invoke_syscall+0x98/0x2b8 [ 230.718585][ T5502] el0_svc_common+0x138/0x258 [ 230.719785][ T5502] do_el0_svc+0x58/0x14c [ 230.720952][ T5502] el0_svc+0x78/0x1e0 [ 230.722026][ T5502] el0t_64_sync_handler+0xcc/0xe4 [ 230.723445][ T5502] el0t_64_sync+0x1a0/0x1a4 [ 230.726845][ T5502] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.730320][ T5502] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.991078][ T5504] loop1: detected capacity change from 0 to 32768 [ 231.036267][ T5504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.038197][ T5504] CPU: 1 PID: 5504 Comm: syz.1.304 Not tainted 5.15.184-syzkaller #0 [ 231.040433][ T5504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 231.043081][ T5504] Call trace: [ 231.043932][ T5504] dump_backtrace+0x0/0x43c [ 231.045117][ T5504] show_stack+0x2c/0x3c [ 231.046224][ T5504] __dump_stack+0x30/0x40 [ 231.047380][ T5504] dump_stack_lvl+0xf8/0x160 [ 231.048638][ T5504] dump_stack+0x1c/0x5c [ 231.049756][ T5504] sysfs_create_dir_ns+0x22c/0x24c [ 231.051107][ T5504] kobject_add_internal+0x590/0xc54 [ 231.052474][ T5504] kobject_init_and_add+0x118/0x17c [ 231.053860][ T5504] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.055113][ T5504] gfs2_fill_super+0xdac/0x19e0 [ 231.056456][ T5504] get_tree_bdev+0x358/0x544 [ 231.057750][ T5504] gfs2_get_tree+0x54/0x1b4 [ 231.058927][ T5504] vfs_get_tree+0x90/0x274 [ 231.060077][ T5504] do_new_mount+0x228/0x810 [ 231.061301][ T5504] path_mount+0x5b4/0x1000 [ 231.062447][ T5504] __arm64_sys_mount+0x514/0x5e4 [ 231.063729][ T5504] invoke_syscall+0x98/0x2b8 [ 231.064926][ T5504] el0_svc_common+0x138/0x258 [ 231.066165][ T5504] do_el0_svc+0x58/0x14c [ 231.067333][ T5504] el0_svc+0x78/0x1e0 [ 231.068416][ T5504] el0t_64_sync_handler+0xcc/0xe4 [ 231.069745][ T5504] el0t_64_sync+0x1a0/0x1a4 [ 231.073756][ T5504] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.077176][ T5504] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.372636][ T5506] loop1: detected capacity change from 0 to 32768 [ 231.430196][ T5506] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.432252][ T5506] CPU: 1 PID: 5506 Comm: syz.1.305 Not tainted 5.15.184-syzkaller #0 [ 231.434449][ T5506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 231.437257][ T5506] Call trace: [ 231.438190][ T5506] dump_backtrace+0x0/0x43c [ 231.439375][ T5506] show_stack+0x2c/0x3c [ 231.440544][ T5506] __dump_stack+0x30/0x40 [ 231.441707][ T5506] dump_stack_lvl+0xf8/0x160 [ 231.442959][ T5506] dump_stack+0x1c/0x5c [ 231.444029][ T5506] sysfs_create_dir_ns+0x22c/0x24c [ 231.445422][ T5506] kobject_add_internal+0x590/0xc54 [ 231.446885][ T5506] kobject_init_and_add+0x118/0x17c [ 231.448295][ T5506] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.449565][ T5506] gfs2_fill_super+0xdac/0x19e0 [ 231.450891][ T5506] get_tree_bdev+0x358/0x544 [ 231.452205][ T5506] gfs2_get_tree+0x54/0x1b4 [ 231.453461][ T5506] vfs_get_tree+0x90/0x274 [ 231.454664][ T5506] do_new_mount+0x228/0x810 [ 231.455938][ T5506] path_mount+0x5b4/0x1000 [ 231.457115][ T5506] __arm64_sys_mount+0x514/0x5e4 [ 231.458445][ T5506] invoke_syscall+0x98/0x2b8 [ 231.459694][ T5506] el0_svc_common+0x138/0x258 [ 231.460969][ T5506] do_el0_svc+0x58/0x14c [ 231.462100][ T5506] el0_svc+0x78/0x1e0 [ 231.463167][ T5506] el0t_64_sync_handler+0xcc/0xe4 [ 231.464524][ T5506] el0t_64_sync+0x1a0/0x1a4 [ 231.467912][ T5506] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.471475][ T5506] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.743724][ T5508] loop1: detected capacity change from 0 to 32768 [ 231.757858][ T5508] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.759845][ T5508] CPU: 0 PID: 5508 Comm: syz.1.306 Not tainted 5.15.184-syzkaller #0 [ 231.761957][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 231.764700][ T5508] Call trace: [ 231.765634][ T5508] dump_backtrace+0x0/0x43c [ 231.766842][ T5508] show_stack+0x2c/0x3c [ 231.768055][ T5508] __dump_stack+0x30/0x40 [ 231.769181][ T5508] dump_stack_lvl+0xf8/0x160 [ 231.770429][ T5508] dump_stack+0x1c/0x5c [ 231.771523][ T5508] sysfs_create_dir_ns+0x22c/0x24c [ 231.772880][ T5508] kobject_add_internal+0x590/0xc54 [ 231.774308][ T5508] kobject_init_and_add+0x118/0x17c [ 231.775708][ T5508] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.776954][ T5508] gfs2_fill_super+0xdac/0x19e0 [ 231.778194][ T5508] get_tree_bdev+0x358/0x544 [ 231.779423][ T5508] gfs2_get_tree+0x54/0x1b4 [ 231.780607][ T5508] vfs_get_tree+0x90/0x274 [ 231.781775][ T5508] do_new_mount+0x228/0x810 [ 231.782923][ T5508] path_mount+0x5b4/0x1000 [ 231.784073][ T5508] __arm64_sys_mount+0x514/0x5e4 [ 231.785360][ T5508] invoke_syscall+0x98/0x2b8 [ 231.786570][ T5508] el0_svc_common+0x138/0x258 [ 231.787812][ T5508] do_el0_svc+0x58/0x14c [ 231.788913][ T5508] el0_svc+0x78/0x1e0 [ 231.789933][ T5508] el0t_64_sync_handler+0xcc/0xe4 [ 231.791221][ T5508] el0t_64_sync+0x1a0/0x1a4 [ 231.796043][ T5508] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.799527][ T5508] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.066418][ T5510] loop1: detected capacity change from 0 to 32768 [ 232.115581][ T5510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.117737][ T5510] CPU: 1 PID: 5510 Comm: syz.1.307 Not tainted 5.15.184-syzkaller #0 [ 232.119962][ T5510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.122684][ T5510] Call trace: [ 232.123654][ T5510] dump_backtrace+0x0/0x43c [ 232.124898][ T5510] show_stack+0x2c/0x3c [ 232.126026][ T5510] __dump_stack+0x30/0x40 [ 232.127219][ T5510] dump_stack_lvl+0xf8/0x160 [ 232.128501][ T5510] dump_stack+0x1c/0x5c [ 232.129644][ T5510] sysfs_create_dir_ns+0x22c/0x24c [ 232.131009][ T5510] kobject_add_internal+0x590/0xc54 [ 232.132424][ T5510] kobject_init_and_add+0x118/0x17c [ 232.133816][ T5510] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.135136][ T5510] gfs2_fill_super+0xdac/0x19e0 [ 232.136495][ T5510] get_tree_bdev+0x358/0x544 [ 232.137725][ T5510] gfs2_get_tree+0x54/0x1b4 [ 232.138976][ T5510] vfs_get_tree+0x90/0x274 [ 232.140228][ T5510] do_new_mount+0x228/0x810 [ 232.141487][ T5510] path_mount+0x5b4/0x1000 [ 232.142695][ T5510] __arm64_sys_mount+0x514/0x5e4 [ 232.144034][ T5510] invoke_syscall+0x98/0x2b8 [ 232.145300][ T5510] el0_svc_common+0x138/0x258 [ 232.146607][ T5510] do_el0_svc+0x58/0x14c [ 232.147786][ T5510] el0_svc+0x78/0x1e0 [ 232.148923][ T5510] el0t_64_sync_handler+0xcc/0xe4 [ 232.150316][ T5510] el0t_64_sync+0x1a0/0x1a4 [ 232.156793][ T5510] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.160320][ T5510] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.480745][ T5512] loop1: detected capacity change from 0 to 32768 [ 232.492660][ T5512] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.494661][ T5512] CPU: 1 PID: 5512 Comm: syz.1.308 Not tainted 5.15.184-syzkaller #0 [ 232.496789][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.499341][ T5512] Call trace: [ 232.500280][ T5512] dump_backtrace+0x0/0x43c [ 232.501728][ T5512] show_stack+0x2c/0x3c [ 232.502830][ T5512] __dump_stack+0x30/0x40 [ 232.503951][ T5512] dump_stack_lvl+0xf8/0x160 [ 232.505208][ T5512] dump_stack+0x1c/0x5c [ 232.506307][ T5512] sysfs_create_dir_ns+0x22c/0x24c [ 232.507663][ T5512] kobject_add_internal+0x590/0xc54 [ 232.509059][ T5512] kobject_init_and_add+0x118/0x17c [ 232.510494][ T5512] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.511802][ T5512] gfs2_fill_super+0xdac/0x19e0 [ 232.513160][ T5512] get_tree_bdev+0x358/0x544 [ 232.514435][ T5512] gfs2_get_tree+0x54/0x1b4 [ 232.515661][ T5512] vfs_get_tree+0x90/0x274 [ 232.516827][ T5512] do_new_mount+0x228/0x810 [ 232.517985][ T5512] path_mount+0x5b4/0x1000 [ 232.519144][ T5512] __arm64_sys_mount+0x514/0x5e4 [ 232.520432][ T5512] invoke_syscall+0x98/0x2b8 [ 232.521657][ T5512] el0_svc_common+0x138/0x258 [ 232.522878][ T5512] do_el0_svc+0x58/0x14c [ 232.524124][ T5512] el0_svc+0x78/0x1e0 [ 232.525160][ T5512] el0t_64_sync_handler+0xcc/0xe4 [ 232.526478][ T5512] el0t_64_sync+0x1a0/0x1a4 [ 232.528882][ T5512] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.532435][ T5512] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.807456][ T5514] loop1: detected capacity change from 0 to 32768 [ 232.821848][ T5514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.824130][ T5514] CPU: 1 PID: 5514 Comm: syz.1.309 Not tainted 5.15.184-syzkaller #0 [ 232.826310][ T5514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.828929][ T5514] Call trace: [ 232.829810][ T5514] dump_backtrace+0x0/0x43c [ 232.831002][ T5514] show_stack+0x2c/0x3c [ 232.832068][ T5514] __dump_stack+0x30/0x40 [ 232.833247][ T5514] dump_stack_lvl+0xf8/0x160 [ 232.834485][ T5514] dump_stack+0x1c/0x5c [ 232.835645][ T5514] sysfs_create_dir_ns+0x22c/0x24c [ 232.837032][ T5514] kobject_add_internal+0x590/0xc54 [ 232.838473][ T5514] kobject_init_and_add+0x118/0x17c [ 232.839888][ T5514] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.841200][ T5514] gfs2_fill_super+0xdac/0x19e0 [ 232.842578][ T5514] get_tree_bdev+0x358/0x544 [ 232.843808][ T5514] gfs2_get_tree+0x54/0x1b4 [ 232.845051][ T5514] vfs_get_tree+0x90/0x274 [ 232.846318][ T5514] do_new_mount+0x228/0x810 [ 232.847548][ T5514] path_mount+0x5b4/0x1000 [ 232.848747][ T5514] __arm64_sys_mount+0x514/0x5e4 [ 232.850054][ T5514] invoke_syscall+0x98/0x2b8 [ 232.851325][ T5514] el0_svc_common+0x138/0x258 [ 232.852615][ T5514] do_el0_svc+0x58/0x14c [ 232.853774][ T5514] el0_svc+0x78/0x1e0 [ 232.854856][ T5514] el0t_64_sync_handler+0xcc/0xe4 [ 232.856231][ T5514] el0t_64_sync+0x1a0/0x1a4 [ 232.858837][ T5514] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.862533][ T5514] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.135794][ T5516] loop1: detected capacity change from 0 to 32768 [ 233.191952][ T5516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.194070][ T5516] CPU: 0 PID: 5516 Comm: syz.1.310 Not tainted 5.15.184-syzkaller #0 [ 233.196191][ T5516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 233.198913][ T5516] Call trace: [ 233.199777][ T5516] dump_backtrace+0x0/0x43c [ 233.200990][ T5516] show_stack+0x2c/0x3c [ 233.202081][ T5516] __dump_stack+0x30/0x40 [ 233.203291][ T5516] dump_stack_lvl+0xf8/0x160 [ 233.204527][ T5516] dump_stack+0x1c/0x5c [ 233.205671][ T5516] sysfs_create_dir_ns+0x22c/0x24c [ 233.207056][ T5516] kobject_add_internal+0x590/0xc54 [ 233.208423][ T5516] kobject_init_and_add+0x118/0x17c [ 233.209912][ T5516] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.211166][ T5516] gfs2_fill_super+0xdac/0x19e0 [ 233.212467][ T5516] get_tree_bdev+0x358/0x544 [ 233.213762][ T5516] gfs2_get_tree+0x54/0x1b4 [ 233.214963][ T5516] vfs_get_tree+0x90/0x274 [ 233.216118][ T5516] do_new_mount+0x228/0x810 [ 233.217320][ T5516] path_mount+0x5b4/0x1000 [ 233.218539][ T5516] __arm64_sys_mount+0x514/0x5e4 [ 233.219841][ T5516] invoke_syscall+0x98/0x2b8 [ 233.221065][ T5516] el0_svc_common+0x138/0x258 [ 233.222317][ T5516] do_el0_svc+0x58/0x14c [ 233.223453][ T5516] el0_svc+0x78/0x1e0 [ 233.224562][ T5516] el0t_64_sync_handler+0xcc/0xe4 [ 233.225924][ T5516] el0t_64_sync+0x1a0/0x1a4 [ 233.229619][ T5516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.233891][ T5516] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.502707][ T5518] loop1: detected capacity change from 0 to 32768 [ 233.550372][ T5518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.552685][ T5518] CPU: 0 PID: 5518 Comm: syz.1.311 Not tainted 5.15.184-syzkaller #0 [ 233.554837][ T5518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 233.557622][ T5518] Call trace: [ 233.558483][ T5518] dump_backtrace+0x0/0x43c [ 233.559658][ T5518] show_stack+0x2c/0x3c [ 233.560714][ T5518] __dump_stack+0x30/0x40 [ 233.561850][ T5518] dump_stack_lvl+0xf8/0x160 [ 233.563081][ T5518] dump_stack+0x1c/0x5c [ 233.564166][ T5518] sysfs_create_dir_ns+0x22c/0x24c [ 233.565554][ T5518] kobject_add_internal+0x590/0xc54 [ 233.566922][ T5518] kobject_init_and_add+0x118/0x17c [ 233.568320][ T5518] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.569571][ T5518] gfs2_fill_super+0xdac/0x19e0 [ 233.570829][ T5518] get_tree_bdev+0x358/0x544 [ 233.572043][ T5518] gfs2_get_tree+0x54/0x1b4 [ 233.573235][ T5518] vfs_get_tree+0x90/0x274 [ 233.574407][ T5518] do_new_mount+0x228/0x810 [ 233.575613][ T5518] path_mount+0x5b4/0x1000 [ 233.576742][ T5518] __arm64_sys_mount+0x514/0x5e4 [ 233.578050][ T5518] invoke_syscall+0x98/0x2b8 [ 233.579247][ T5518] el0_svc_common+0x138/0x258 [ 233.580525][ T5518] do_el0_svc+0x58/0x14c [ 233.581641][ T5518] el0_svc+0x78/0x1e0 [ 233.582744][ T5518] el0t_64_sync_handler+0xcc/0xe4 [ 233.584061][ T5518] el0t_64_sync+0x1a0/0x1a4 [ 233.588403][ T5518] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.591834][ T5518] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.861716][ T5520] loop1: detected capacity change from 0 to 32768 [ 233.920585][ T5520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.922716][ T5520] CPU: 0 PID: 5520 Comm: syz.1.312 Not tainted 5.15.184-syzkaller #0 [ 233.924899][ T5520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 233.927666][ T5520] Call trace: [ 233.928539][ T5520] dump_backtrace+0x0/0x43c [ 233.929783][ T5520] show_stack+0x2c/0x3c [ 233.930941][ T5520] __dump_stack+0x30/0x40 [ 233.932155][ T5520] dump_stack_lvl+0xf8/0x160 [ 233.933376][ T5520] dump_stack+0x1c/0x5c [ 233.934480][ T5520] sysfs_create_dir_ns+0x22c/0x24c [ 233.935883][ T5520] kobject_add_internal+0x590/0xc54 [ 233.937290][ T5520] kobject_init_and_add+0x118/0x17c [ 233.938707][ T5520] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.939963][ T5520] gfs2_fill_super+0xdac/0x19e0 [ 233.941243][ T5520] get_tree_bdev+0x358/0x544 [ 233.942436][ T5520] gfs2_get_tree+0x54/0x1b4 [ 233.943579][ T5520] vfs_get_tree+0x90/0x274 [ 233.944736][ T5520] do_new_mount+0x228/0x810 [ 233.945922][ T5520] path_mount+0x5b4/0x1000 [ 233.947076][ T5520] __arm64_sys_mount+0x514/0x5e4 [ 233.948389][ T5520] invoke_syscall+0x98/0x2b8 [ 233.949621][ T5520] el0_svc_common+0x138/0x258 [ 233.950858][ T5520] do_el0_svc+0x58/0x14c [ 233.951978][ T5520] el0_svc+0x78/0x1e0 [ 233.953063][ T5520] el0t_64_sync_handler+0xcc/0xe4 [ 233.954401][ T5520] el0t_64_sync+0x1a0/0x1a4 [ 233.959666][ T5520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.963255][ T5520] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.233847][ T5522] loop1: detected capacity change from 0 to 32768 [ 234.303975][ T5522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.306054][ T5522] CPU: 1 PID: 5522 Comm: syz.1.313 Not tainted 5.15.184-syzkaller #0 [ 234.308159][ T5522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 234.310868][ T5522] Call trace: [ 234.311747][ T5522] dump_backtrace+0x0/0x43c [ 234.312984][ T5522] show_stack+0x2c/0x3c [ 234.314111][ T5522] __dump_stack+0x30/0x40 [ 234.315265][ T5522] dump_stack_lvl+0xf8/0x160 [ 234.316475][ T5522] dump_stack+0x1c/0x5c [ 234.317538][ T5522] sysfs_create_dir_ns+0x22c/0x24c [ 234.318907][ T5522] kobject_add_internal+0x590/0xc54 [ 234.320345][ T5522] kobject_init_and_add+0x118/0x17c [ 234.321779][ T5522] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.323061][ T5522] gfs2_fill_super+0xdac/0x19e0 [ 234.324437][ T5522] get_tree_bdev+0x358/0x544 [ 234.325641][ T5522] gfs2_get_tree+0x54/0x1b4 [ 234.326841][ T5522] vfs_get_tree+0x90/0x274 [ 234.328018][ T5522] do_new_mount+0x228/0x810 [ 234.329208][ T5522] path_mount+0x5b4/0x1000 [ 234.330409][ T5522] __arm64_sys_mount+0x514/0x5e4 [ 234.331667][ T5522] invoke_syscall+0x98/0x2b8 [ 234.332911][ T5522] el0_svc_common+0x138/0x258 [ 234.334119][ T5522] do_el0_svc+0x58/0x14c [ 234.335227][ T5522] el0_svc+0x78/0x1e0 [ 234.336298][ T5522] el0t_64_sync_handler+0xcc/0xe4 [ 234.337607][ T5522] el0t_64_sync+0x1a0/0x1a4 [ 234.341127][ T5522] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.345028][ T5522] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.602993][ T5524] loop1: detected capacity change from 0 to 32768 [ 234.648358][ T5524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.650370][ T5524] CPU: 1 PID: 5524 Comm: syz.1.314 Not tainted 5.15.184-syzkaller #0 [ 234.652520][ T5524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 234.655245][ T5524] Call trace: [ 234.656137][ T5524] dump_backtrace+0x0/0x43c [ 234.657336][ T5524] show_stack+0x2c/0x3c [ 234.658472][ T5524] __dump_stack+0x30/0x40 [ 234.659636][ T5524] dump_stack_lvl+0xf8/0x160 [ 234.660858][ T5524] dump_stack+0x1c/0x5c [ 234.661951][ T5524] sysfs_create_dir_ns+0x22c/0x24c [ 234.663316][ T5524] kobject_add_internal+0x590/0xc54 [ 234.664688][ T5524] kobject_init_and_add+0x118/0x17c [ 234.666097][ T5524] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.667333][ T5524] gfs2_fill_super+0xdac/0x19e0 [ 234.668626][ T5524] get_tree_bdev+0x358/0x544 [ 234.669855][ T5524] gfs2_get_tree+0x54/0x1b4 [ 234.671054][ T5524] vfs_get_tree+0x90/0x274 [ 234.672218][ T5524] do_new_mount+0x228/0x810 [ 234.673471][ T5524] path_mount+0x5b4/0x1000 [ 234.674668][ T5524] __arm64_sys_mount+0x514/0x5e4 [ 234.675996][ T5524] invoke_syscall+0x98/0x2b8 [ 234.677283][ T5524] el0_svc_common+0x138/0x258 [ 234.678484][ T5524] do_el0_svc+0x58/0x14c [ 234.679657][ T5524] el0_svc+0x78/0x1e0 [ 234.680726][ T5524] el0t_64_sync_handler+0xcc/0xe4 [ 234.682056][ T5524] el0t_64_sync+0x1a0/0x1a4 [ 234.685343][ T5524] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.688857][ T5524] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.967731][ T5526] loop1: detected capacity change from 0 to 32768 [ 235.020523][ T5526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.022707][ T5526] CPU: 1 PID: 5526 Comm: syz.1.315 Not tainted 5.15.184-syzkaller #0 [ 235.024910][ T5526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 235.027542][ T5526] Call trace: [ 235.028411][ T5526] dump_backtrace+0x0/0x43c [ 235.029606][ T5526] show_stack+0x2c/0x3c [ 235.030662][ T5526] __dump_stack+0x30/0x40 [ 235.031758][ T5526] dump_stack_lvl+0xf8/0x160 [ 235.032953][ T5526] dump_stack+0x1c/0x5c [ 235.034036][ T5526] sysfs_create_dir_ns+0x22c/0x24c [ 235.035366][ T5526] kobject_add_internal+0x590/0xc54 [ 235.036740][ T5526] kobject_init_and_add+0x118/0x17c [ 235.038164][ T5526] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.039461][ T5526] gfs2_fill_super+0xdac/0x19e0 [ 235.040758][ T5526] get_tree_bdev+0x358/0x544 [ 235.042051][ T5526] gfs2_get_tree+0x54/0x1b4 [ 235.043193][ T5526] vfs_get_tree+0x90/0x274 [ 235.044364][ T5526] do_new_mount+0x228/0x810 [ 235.045635][ T5526] path_mount+0x5b4/0x1000 [ 235.046753][ T5526] __arm64_sys_mount+0x514/0x5e4 [ 235.048085][ T5526] invoke_syscall+0x98/0x2b8 [ 235.049268][ T5526] el0_svc_common+0x138/0x258 [ 235.050518][ T5526] do_el0_svc+0x58/0x14c [ 235.051670][ T5526] el0_svc+0x78/0x1e0 [ 235.052691][ T5526] el0t_64_sync_handler+0xcc/0xe4 [ 235.053999][ T5526] el0t_64_sync+0x1a0/0x1a4 [ 235.056432][ T5526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.060040][ T5526] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:55 executed programs: 302 [ 235.341749][ T5528] loop1: detected capacity change from 0 to 32768 [ 235.397958][ T5528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.399984][ T5528] CPU: 0 PID: 5528 Comm: syz.1.316 Not tainted 5.15.184-syzkaller #0 [ 235.402123][ T5528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 235.404805][ T5528] Call trace: [ 235.405683][ T5528] dump_backtrace+0x0/0x43c [ 235.406913][ T5528] show_stack+0x2c/0x3c [ 235.408024][ T5528] __dump_stack+0x30/0x40 [ 235.409191][ T5528] dump_stack_lvl+0xf8/0x160 [ 235.410437][ T5528] dump_stack+0x1c/0x5c [ 235.411524][ T5528] sysfs_create_dir_ns+0x22c/0x24c [ 235.412895][ T5528] kobject_add_internal+0x590/0xc54 [ 235.414257][ T5528] kobject_init_and_add+0x118/0x17c [ 235.415642][ T5528] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.416960][ T5528] gfs2_fill_super+0xdac/0x19e0 [ 235.418254][ T5528] get_tree_bdev+0x358/0x544 [ 235.419475][ T5528] gfs2_get_tree+0x54/0x1b4 [ 235.420723][ T5528] vfs_get_tree+0x90/0x274 [ 235.421930][ T5528] do_new_mount+0x228/0x810 [ 235.423142][ T5528] path_mount+0x5b4/0x1000 [ 235.424304][ T5528] __arm64_sys_mount+0x514/0x5e4 [ 235.425611][ T5528] invoke_syscall+0x98/0x2b8 [ 235.426882][ T5528] el0_svc_common+0x138/0x258 [ 235.428093][ T5528] do_el0_svc+0x58/0x14c [ 235.429189][ T5528] el0_svc+0x78/0x1e0 [ 235.430274][ T5528] el0t_64_sync_handler+0xcc/0xe4 [ 235.431590][ T5528] el0t_64_sync+0x1a0/0x1a4 [ 235.435966][ T5528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.439489][ T5528] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.706794][ T5530] loop1: detected capacity change from 0 to 32768 [ 235.758350][ T5530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.760399][ T5530] CPU: 1 PID: 5530 Comm: syz.1.317 Not tainted 5.15.184-syzkaller #0 [ 235.762599][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 235.765292][ T5530] Call trace: [ 235.766201][ T5530] dump_backtrace+0x0/0x43c [ 235.767402][ T5530] show_stack+0x2c/0x3c [ 235.768598][ T5530] __dump_stack+0x30/0x40 [ 235.769739][ T5530] dump_stack_lvl+0xf8/0x160 [ 235.770971][ T5530] dump_stack+0x1c/0x5c [ 235.772070][ T5530] sysfs_create_dir_ns+0x22c/0x24c [ 235.773455][ T5530] kobject_add_internal+0x590/0xc54 [ 235.774883][ T5530] kobject_init_and_add+0x118/0x17c [ 235.776325][ T5530] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.777592][ T5530] gfs2_fill_super+0xdac/0x19e0 [ 235.778889][ T5530] get_tree_bdev+0x358/0x544 [ 235.780109][ T5530] gfs2_get_tree+0x54/0x1b4 [ 235.781302][ T5530] vfs_get_tree+0x90/0x274 [ 235.782469][ T5530] do_new_mount+0x228/0x810 [ 235.783688][ T5530] path_mount+0x5b4/0x1000 [ 235.784879][ T5530] __arm64_sys_mount+0x514/0x5e4 [ 235.786218][ T5530] invoke_syscall+0x98/0x2b8 [ 235.787476][ T5530] el0_svc_common+0x138/0x258 [ 235.788686][ T5530] do_el0_svc+0x58/0x14c [ 235.789852][ T5530] el0_svc+0x78/0x1e0 [ 235.790879][ T5530] el0t_64_sync_handler+0xcc/0xe4 [ 235.792240][ T5530] el0t_64_sync+0x1a0/0x1a4 [ 235.797572][ T5530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.801022][ T5530] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.075630][ T5532] loop1: detected capacity change from 0 to 32768 [ 236.191129][ T5532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.193358][ T5532] CPU: 1 PID: 5532 Comm: syz.1.318 Not tainted 5.15.184-syzkaller #0 [ 236.195539][ T5532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 236.198257][ T5532] Call trace: [ 236.199147][ T5532] dump_backtrace+0x0/0x43c [ 236.200359][ T5532] show_stack+0x2c/0x3c [ 236.201510][ T5532] __dump_stack+0x30/0x40 [ 236.202647][ T5532] dump_stack_lvl+0xf8/0x160 [ 236.203872][ T5532] dump_stack+0x1c/0x5c [ 236.204959][ T5532] sysfs_create_dir_ns+0x22c/0x24c [ 236.206322][ T5532] kobject_add_internal+0x590/0xc54 [ 236.207763][ T5532] kobject_init_and_add+0x118/0x17c [ 236.209133][ T5532] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.210387][ T5532] gfs2_fill_super+0xdac/0x19e0 [ 236.211713][ T5532] get_tree_bdev+0x358/0x544 [ 236.212913][ T5532] gfs2_get_tree+0x54/0x1b4 [ 236.214184][ T5532] vfs_get_tree+0x90/0x274 [ 236.215371][ T5532] do_new_mount+0x228/0x810 [ 236.216602][ T5532] path_mount+0x5b4/0x1000 [ 236.217750][ T5532] __arm64_sys_mount+0x514/0x5e4 [ 236.219083][ T5532] invoke_syscall+0x98/0x2b8 [ 236.220324][ T5532] el0_svc_common+0x138/0x258 [ 236.221589][ T5532] do_el0_svc+0x58/0x14c [ 236.222728][ T5532] el0_svc+0x78/0x1e0 [ 236.223768][ T5532] el0t_64_sync_handler+0xcc/0xe4 [ 236.225151][ T5532] el0t_64_sync+0x1a0/0x1a4 [ 236.229263][ T5532] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.233113][ T5532] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.531212][ T5534] loop1: detected capacity change from 0 to 32768 [ 236.582400][ T5534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.584453][ T5534] CPU: 0 PID: 5534 Comm: syz.1.319 Not tainted 5.15.184-syzkaller #0 [ 236.586562][ T5534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 236.589209][ T5534] Call trace: [ 236.590131][ T5534] dump_backtrace+0x0/0x43c [ 236.591325][ T5534] show_stack+0x2c/0x3c [ 236.592430][ T5534] __dump_stack+0x30/0x40 [ 236.593582][ T5534] dump_stack_lvl+0xf8/0x160 [ 236.594781][ T5534] dump_stack+0x1c/0x5c [ 236.595895][ T5534] sysfs_create_dir_ns+0x22c/0x24c [ 236.597282][ T5534] kobject_add_internal+0x590/0xc54 [ 236.598692][ T5534] kobject_init_and_add+0x118/0x17c [ 236.600034][ T5534] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.601312][ T5534] gfs2_fill_super+0xdac/0x19e0 [ 236.602625][ T5534] get_tree_bdev+0x358/0x544 [ 236.603860][ T5534] gfs2_get_tree+0x54/0x1b4 [ 236.605034][ T5534] vfs_get_tree+0x90/0x274 [ 236.606191][ T5534] do_new_mount+0x228/0x810 [ 236.607446][ T5534] path_mount+0x5b4/0x1000 [ 236.608587][ T5534] __arm64_sys_mount+0x514/0x5e4 [ 236.609910][ T5534] invoke_syscall+0x98/0x2b8 [ 236.611128][ T5534] el0_svc_common+0x138/0x258 [ 236.612438][ T5534] do_el0_svc+0x58/0x14c [ 236.613583][ T5534] el0_svc+0x78/0x1e0 [ 236.614695][ T5534] el0t_64_sync_handler+0xcc/0xe4 [ 236.616005][ T5534] el0t_64_sync+0x1a0/0x1a4 [ 236.620121][ T5534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.623738][ T5534] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.918324][ T5536] loop1: detected capacity change from 0 to 32768 [ 236.966292][ T5536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.968461][ T5536] CPU: 1 PID: 5536 Comm: syz.1.320 Not tainted 5.15.184-syzkaller #0 [ 236.970575][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 236.973200][ T5536] Call trace: [ 236.974096][ T5536] dump_backtrace+0x0/0x43c [ 236.975261][ T5536] show_stack+0x2c/0x3c [ 236.976419][ T5536] __dump_stack+0x30/0x40 [ 236.977574][ T5536] dump_stack_lvl+0xf8/0x160 [ 236.978803][ T5536] dump_stack+0x1c/0x5c [ 236.979931][ T5536] sysfs_create_dir_ns+0x22c/0x24c [ 236.981274][ T5536] kobject_add_internal+0x590/0xc54 [ 236.982688][ T5536] kobject_init_and_add+0x118/0x17c [ 236.984099][ T5536] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.985420][ T5536] gfs2_fill_super+0xdac/0x19e0 [ 236.986737][ T5536] get_tree_bdev+0x358/0x544 [ 236.987988][ T5536] gfs2_get_tree+0x54/0x1b4 [ 236.989229][ T5536] vfs_get_tree+0x90/0x274 [ 236.990408][ T5536] do_new_mount+0x228/0x810 [ 236.991607][ T5536] path_mount+0x5b4/0x1000 [ 236.992764][ T5536] __arm64_sys_mount+0x514/0x5e4 [ 236.994077][ T5536] invoke_syscall+0x98/0x2b8 [ 236.995256][ T5536] el0_svc_common+0x138/0x258 [ 236.996533][ T5536] do_el0_svc+0x58/0x14c [ 236.997683][ T5536] el0_svc+0x78/0x1e0 [ 236.998740][ T5536] el0t_64_sync_handler+0xcc/0xe4 [ 237.000182][ T5536] el0t_64_sync+0x1a0/0x1a4 [ 237.006975][ T5536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.010558][ T5536] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 237.344228][ T5538] loop1: detected capacity change from 0 to 32768 [ 237.412574][ T5538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 237.414720][ T5538] CPU: 1 PID: 5538 Comm: syz.1.321 Not tainted 5.15.184-syzkaller #0 [ 237.416911][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 237.419588][ T5538] Call trace: [ 237.420440][ T5538] dump_backtrace+0x0/0x43c [ 237.421685][ T5538] show_stack+0x2c/0x3c [ 237.422789][ T5538] __dump_stack+0x30/0x40 [ 237.423953][ T5538] dump_stack_lvl+0xf8/0x160 [ 237.425169][ T5538] dump_stack+0x1c/0x5c [ 237.426285][ T5538] sysfs_create_dir_ns+0x22c/0x24c [ 237.427680][ T5538] kobject_add_internal+0x590/0xc54 [ 237.429079][ T5538] kobject_init_and_add+0x118/0x17c [ 237.430493][ T5538] gfs2_sys_fs_add+0x1dc/0x3d8 [ 237.431785][ T5538] gfs2_fill_super+0xdac/0x19e0 [ 237.433077][ T5538] get_tree_bdev+0x358/0x544 [ 237.434279][ T5538] gfs2_get_tree+0x54/0x1b4 [ 237.435548][ T5538] vfs_get_tree+0x90/0x274 [ 237.436754][ T5538] do_new_mount+0x228/0x810 [ 237.437945][ T5538] path_mount+0x5b4/0x1000 [ 237.439107][ T5538] __arm64_sys_mount+0x514/0x5e4 [ 237.440430][ T5538] invoke_syscall+0x98/0x2b8 [ 237.441647][ T5538] el0_svc_common+0x138/0x258 [ 237.442880][ T5538] do_el0_svc+0x58/0x14c [ 237.444020][ T5538] el0_svc+0x78/0x1e0 [ 237.445123][ T5538] el0t_64_sync_handler+0xcc/0xe4 [ 237.446520][ T5538] el0t_64_sync+0x1a0/0x1a4 [ 237.450460][ T5538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.454297][ T5538] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 237.724751][ T5540] loop1: detected capacity change from 0 to 32768 [ 237.782717][ T5540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 237.784761][ T5540] CPU: 1 PID: 5540 Comm: syz.1.322 Not tainted 5.15.184-syzkaller #0 [ 237.786876][ T5540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 237.789493][ T5540] Call trace: [ 237.790291][ T5540] dump_backtrace+0x0/0x43c [ 237.791448][ T5540] show_stack+0x2c/0x3c [ 237.792526][ T5540] __dump_stack+0x30/0x40 [ 237.793651][ T5540] dump_stack_lvl+0xf8/0x160 [ 237.794798][ T5540] dump_stack+0x1c/0x5c [ 237.795858][ T5540] sysfs_create_dir_ns+0x22c/0x24c [ 237.797199][ T5540] kobject_add_internal+0x590/0xc54 [ 237.798598][ T5540] kobject_init_and_add+0x118/0x17c [ 237.799958][ T5540] gfs2_sys_fs_add+0x1dc/0x3d8 [ 237.801199][ T5540] gfs2_fill_super+0xdac/0x19e0 [ 237.802429][ T5540] get_tree_bdev+0x358/0x544 [ 237.803591][ T5540] gfs2_get_tree+0x54/0x1b4 [ 237.804777][ T5540] vfs_get_tree+0x90/0x274 [ 237.805908][ T5540] do_new_mount+0x228/0x810 [ 237.807083][ T5540] path_mount+0x5b4/0x1000 [ 237.808241][ T5540] __arm64_sys_mount+0x514/0x5e4 [ 237.809556][ T5540] invoke_syscall+0x98/0x2b8 [ 237.810723][ T5540] el0_svc_common+0x138/0x258 [ 237.811891][ T5540] do_el0_svc+0x58/0x14c [ 237.813106][ T5540] el0_svc+0x78/0x1e0 [ 237.814214][ T5540] el0t_64_sync_handler+0xcc/0xe4 [ 237.815563][ T5540] el0t_64_sync+0x1a0/0x1a4 [ 237.819597][ T5540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.823286][ T5540] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.092306][ T5542] loop1: detected capacity change from 0 to 32768 [ 238.152966][ T5542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.155107][ T5542] CPU: 1 PID: 5542 Comm: syz.1.323 Not tainted 5.15.184-syzkaller #0 [ 238.157282][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.159879][ T5542] Call trace: [ 238.160778][ T5542] dump_backtrace+0x0/0x43c [ 238.161962][ T5542] show_stack+0x2c/0x3c [ 238.163079][ T5542] __dump_stack+0x30/0x40 [ 238.164225][ T5542] dump_stack_lvl+0xf8/0x160 [ 238.165411][ T5542] dump_stack+0x1c/0x5c [ 238.166497][ T5542] sysfs_create_dir_ns+0x22c/0x24c [ 238.167846][ T5542] kobject_add_internal+0x590/0xc54 [ 238.169242][ T5542] kobject_init_and_add+0x118/0x17c [ 238.170687][ T5542] gfs2_sys_fs_add+0x1dc/0x3d8 [ 238.171917][ T5542] gfs2_fill_super+0xdac/0x19e0 [ 238.173225][ T5542] get_tree_bdev+0x358/0x544 [ 238.174420][ T5542] gfs2_get_tree+0x54/0x1b4 [ 238.175601][ T5542] vfs_get_tree+0x90/0x274 [ 238.176816][ T5542] do_new_mount+0x228/0x810 [ 238.178013][ T5542] path_mount+0x5b4/0x1000 [ 238.179163][ T5542] __arm64_sys_mount+0x514/0x5e4 [ 238.180455][ T5542] invoke_syscall+0x98/0x2b8 [ 238.181648][ T5542] el0_svc_common+0x138/0x258 [ 238.182844][ T5542] do_el0_svc+0x58/0x14c [ 238.184003][ T5542] el0_svc+0x78/0x1e0 [ 238.185054][ T5542] el0t_64_sync_handler+0xcc/0xe4 [ 238.186378][ T5542] el0t_64_sync+0x1a0/0x1a4 [ 238.189669][ T5542] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.193273][ T5542] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.457308][ T5544] loop1: detected capacity change from 0 to 32768 [ 238.506359][ T5544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.508306][ T5544] CPU: 1 PID: 5544 Comm: syz.1.324 Not tainted 5.15.184-syzkaller #0 [ 238.510479][ T5544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.513087][ T5544] Call trace: [ 238.513947][ T5544] dump_backtrace+0x0/0x43c [ 238.515172][ T5544] show_stack+0x2c/0x3c [ 238.516266][ T5544] __dump_stack+0x30/0x40 [ 238.517453][ T5544] dump_stack_lvl+0xf8/0x160 [ 238.518650][ T5544] dump_stack+0x1c/0x5c [ 238.519782][ T5544] sysfs_create_dir_ns+0x22c/0x24c [ 238.521183][ T5544] kobject_add_internal+0x590/0xc54 [ 238.522605][ T5544] kobject_init_and_add+0x118/0x17c [ 238.523983][ T5544] gfs2_sys_fs_add+0x1dc/0x3d8 [ 238.525219][ T5544] gfs2_fill_super+0xdac/0x19e0 [ 238.526500][ T5544] get_tree_bdev+0x358/0x544 [ 238.527759][ T5544] gfs2_get_tree+0x54/0x1b4 [ 238.528979][ T5544] vfs_get_tree+0x90/0x274 [ 238.530121][ T5544] do_new_mount+0x228/0x810 [ 238.531292][ T5544] path_mount+0x5b4/0x1000 [ 238.532549][ T5544] __arm64_sys_mount+0x514/0x5e4 [ 238.533836][ T5544] invoke_syscall+0x98/0x2b8 [ 238.535027][ T5544] el0_svc_common+0x138/0x258 [ 238.536235][ T5544] do_el0_svc+0x58/0x14c [ 238.537332][ T5544] el0_svc+0x78/0x1e0 [ 238.538410][ T5544] el0t_64_sync_handler+0xcc/0xe4 [ 238.539698][ T5544] el0t_64_sync+0x1a0/0x1a4 [ 238.545261][ T5544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.548678][ T5544] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.826257][ T5546] loop1: detected capacity change from 0 to 32768 [ 238.886974][ T5546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.889139][ T5546] CPU: 1 PID: 5546 Comm: syz.1.325 Not tainted 5.15.184-syzkaller #0 [ 238.891185][ T5546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 238.893916][ T5546] Call trace: [ 238.894781][ T5546] dump_backtrace+0x0/0x43c [ 238.896012][ T5546] show_stack+0x2c/0x3c [ 238.897119][ T5546] __dump_stack+0x30/0x40 [ 238.898287][ T5546] dump_stack_lvl+0xf8/0x160 [ 238.899573][ T5546] dump_stack+0x1c/0x5c [ 238.900729][ T5546] sysfs_create_dir_ns+0x22c/0x24c [ 238.902106][ T5546] kobject_add_internal+0x590/0xc54 [ 238.903504][ T5546] kobject_init_and_add+0x118/0x17c [ 238.904893][ T5546] gfs2_sys_fs_add+0x1dc/0x3d8 [ 238.906250][ T5546] gfs2_fill_super+0xdac/0x19e0 [ 238.907593][ T5546] get_tree_bdev+0x358/0x544 [ 238.908831][ T5546] gfs2_get_tree+0x54/0x1b4 [ 238.910115][ T5546] vfs_get_tree+0x90/0x274 [ 238.911267][ T5546] do_new_mount+0x228/0x810 [ 238.912492][ T5546] path_mount+0x5b4/0x1000 [ 238.913663][ T5546] __arm64_sys_mount+0x514/0x5e4 [ 238.915000][ T5546] invoke_syscall+0x98/0x2b8 [ 238.916236][ T5546] el0_svc_common+0x138/0x258 [ 238.917504][ T5546] do_el0_svc+0x58/0x14c [ 238.918594][ T5546] el0_svc+0x78/0x1e0 [ 238.919682][ T5546] el0t_64_sync_handler+0xcc/0xe4 [ 238.921020][ T5546] el0t_64_sync+0x1a0/0x1a4 [ 238.926773][ T5546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.930378][ T5546] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.217192][ T5548] loop1: detected capacity change from 0 to 32768 [ 239.273119][ T5548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 239.275279][ T5548] CPU: 0 PID: 5548 Comm: syz.1.326 Not tainted 5.15.184-syzkaller #0 [ 239.277439][ T5548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 239.280157][ T5548] Call trace: [ 239.281037][ T5548] dump_backtrace+0x0/0x43c [ 239.282226][ T5548] show_stack+0x2c/0x3c [ 239.283307][ T5548] __dump_stack+0x30/0x40 [ 239.284459][ T5548] dump_stack_lvl+0xf8/0x160 [ 239.285713][ T5548] dump_stack+0x1c/0x5c [ 239.286778][ T5548] sysfs_create_dir_ns+0x22c/0x24c [ 239.288124][ T5548] kobject_add_internal+0x590/0xc54 [ 239.289499][ T5548] kobject_init_and_add+0x118/0x17c [ 239.290857][ T5548] gfs2_sys_fs_add+0x1dc/0x3d8 [ 239.292104][ T5548] gfs2_fill_super+0xdac/0x19e0 [ 239.293373][ T5548] get_tree_bdev+0x358/0x544 [ 239.294630][ T5548] gfs2_get_tree+0x54/0x1b4 [ 239.295828][ T5548] vfs_get_tree+0x90/0x274 [ 239.297010][ T5548] do_new_mount+0x228/0x810 [ 239.298210][ T5548] path_mount+0x5b4/0x1000 [ 239.299354][ T5548] __arm64_sys_mount+0x514/0x5e4 [ 239.300691][ T5548] invoke_syscall+0x98/0x2b8 [ 239.301932][ T5548] el0_svc_common+0x138/0x258 [ 239.303217][ T5548] do_el0_svc+0x58/0x14c [ 239.304341][ T5548] el0_svc+0x78/0x1e0 [ 239.305451][ T5548] el0t_64_sync_handler+0xcc/0xe4 [ 239.306811][ T5548] el0t_64_sync+0x1a0/0x1a4 [ 239.308270][ T5548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 239.311711][ T5548] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.590530][ T5550] loop1: detected capacity change from 0 to 32768 [ 239.680014][ T5550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 239.682481][ T5550] CPU: 0 PID: 5550 Comm: syz.1.327 Not tainted 5.15.184-syzkaller #0 [ 239.684710][ T5550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 239.687418][ T5550] Call trace: [ 239.688264][ T5550] dump_backtrace+0x0/0x43c [ 239.689607][ T5550] show_stack+0x2c/0x3c [ 239.690700][ T5550] __dump_stack+0x30/0x40 [ 239.691834][ T5550] dump_stack_lvl+0xf8/0x160 [ 239.693065][ T5550] dump_stack+0x1c/0x5c [ 239.694193][ T5550] sysfs_create_dir_ns+0x22c/0x24c [ 239.695591][ T5550] kobject_add_internal+0x590/0xc54 [ 239.697000][ T5550] kobject_init_and_add+0x118/0x17c [ 239.698372][ T5550] gfs2_sys_fs_add+0x1dc/0x3d8 [ 239.699667][ T5550] gfs2_fill_super+0xdac/0x19e0 [ 239.700996][ T5550] get_tree_bdev+0x358/0x544 [ 239.702224][ T5550] gfs2_get_tree+0x54/0x1b4 [ 239.703422][ T5550] vfs_get_tree+0x90/0x274 [ 239.704561][ T5550] do_new_mount+0x228/0x810 [ 239.705824][ T5550] path_mount+0x5b4/0x1000 [ 239.706967][ T5550] __arm64_sys_mount+0x514/0x5e4 [ 239.708316][ T5550] invoke_syscall+0x98/0x2b8 [ 239.709612][ T5550] el0_svc_common+0x138/0x258 [ 239.710875][ T5550] do_el0_svc+0x58/0x14c [ 239.712053][ T5550] el0_svc+0x78/0x1e0 [ 239.713136][ T5550] el0t_64_sync_handler+0xcc/0xe4 [ 239.714452][ T5550] el0t_64_sync+0x1a0/0x1a4 [ 239.715910][ T5550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 239.719477][ T5550] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.978899][ T5552] loop1: detected capacity change from 0 to 32768 [ 240.030937][ T5552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.033624][ T5552] CPU: 1 PID: 5552 Comm: syz.1.328 Not tainted 5.15.184-syzkaller #0 [ 240.035724][ T5552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.038351][ T5552] Call trace: [ 240.039150][ T5552] dump_backtrace+0x0/0x43c [ 240.040328][ T5552] show_stack+0x2c/0x3c [ 240.041482][ T5552] __dump_stack+0x30/0x40 [ 240.042580][ T5552] dump_stack_lvl+0xf8/0x160 [ 240.043809][ T5552] dump_stack+0x1c/0x5c [ 240.044921][ T5552] sysfs_create_dir_ns+0x22c/0x24c [ 240.046288][ T5552] kobject_add_internal+0x590/0xc54 [ 240.047717][ T5552] kobject_init_and_add+0x118/0x17c [ 240.049112][ T5552] gfs2_sys_fs_add+0x1dc/0x3d8 [ 240.050362][ T5552] gfs2_fill_super+0xdac/0x19e0 [ 240.051661][ T5552] get_tree_bdev+0x358/0x544 [ 240.052873][ T5552] gfs2_get_tree+0x54/0x1b4 [ 240.054066][ T5552] vfs_get_tree+0x90/0x274 [ 240.055246][ T5552] do_new_mount+0x228/0x810 [ 240.056469][ T5552] path_mount+0x5b4/0x1000 [ 240.057671][ T5552] __arm64_sys_mount+0x514/0x5e4 [ 240.058965][ T5552] invoke_syscall+0x98/0x2b8 [ 240.060162][ T5552] el0_svc_common+0x138/0x258 [ 240.061458][ T5552] do_el0_svc+0x58/0x14c [ 240.062542][ T5552] el0_svc+0x78/0x1e0 [ 240.063563][ T5552] el0t_64_sync_handler+0xcc/0xe4 [ 240.064879][ T5552] el0t_64_sync+0x1a0/0x1a4 [ 240.068713][ T5552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.072236][ T5552] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 240.330933][ T5554] loop1: detected capacity change from 0 to 32768 [ 240.430648][ T5554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.432662][ T5554] CPU: 0 PID: 5554 Comm: syz.1.329 Not tainted 5.15.184-syzkaller #0 [ 240.434710][ T5554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.437374][ T5554] Call trace: [ 240.438219][ T5554] dump_backtrace+0x0/0x43c [ 240.439425][ T5554] show_stack+0x2c/0x3c [ 240.440532][ T5554] __dump_stack+0x30/0x40 [ 240.441687][ T5554] dump_stack_lvl+0xf8/0x160 [ 240.442935][ T5554] dump_stack+0x1c/0x5c [ 240.444022][ T5554] sysfs_create_dir_ns+0x22c/0x24c [ 240.445379][ T5554] kobject_add_internal+0x590/0xc54 [ 240.446787][ T5554] kobject_init_and_add+0x118/0x17c [ 240.448190][ T5554] gfs2_sys_fs_add+0x1dc/0x3d8 [ 240.449409][ T5554] gfs2_fill_super+0xdac/0x19e0 [ 240.450659][ T5554] get_tree_bdev+0x358/0x544 [ 240.451883][ T5554] gfs2_get_tree+0x54/0x1b4 [ 240.453122][ T5554] vfs_get_tree+0x90/0x274 [ 240.454321][ T5554] do_new_mount+0x228/0x810 [ 240.455524][ T5554] path_mount+0x5b4/0x1000 [ 240.456701][ T5554] __arm64_sys_mount+0x514/0x5e4 [ 240.457994][ T5554] invoke_syscall+0x98/0x2b8 [ 240.459211][ T5554] el0_svc_common+0x138/0x258 [ 240.460455][ T5554] do_el0_svc+0x58/0x14c [ 240.461659][ T5554] el0_svc+0x78/0x1e0 [ 240.462728][ T5554] el0t_64_sync_handler+0xcc/0xe4 [ 240.464035][ T5554] el0t_64_sync+0x1a0/0x1a4 [ 240.474557][ T5554] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.478768][ T5554] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:00 executed programs: 316 [ 240.741944][ T5556] loop1: detected capacity change from 0 to 32768 [ 240.784015][ T5556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.786519][ T5556] CPU: 1 PID: 5556 Comm: syz.1.330 Not tainted 5.15.184-syzkaller #0 [ 240.788715][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.791493][ T5556] Call trace: [ 240.792331][ T5556] dump_backtrace+0x0/0x43c [ 240.793547][ T5556] show_stack+0x2c/0x3c [ 240.794672][ T5556] __dump_stack+0x30/0x40 [ 240.795849][ T5556] dump_stack_lvl+0xf8/0x160 [ 240.797064][ T5556] dump_stack+0x1c/0x5c [ 240.798178][ T5556] sysfs_create_dir_ns+0x22c/0x24c [ 240.799587][ T5556] kobject_add_internal+0x590/0xc54 [ 240.800959][ T5556] kobject_init_and_add+0x118/0x17c [ 240.802320][ T5556] gfs2_sys_fs_add+0x1dc/0x3d8 [ 240.803535][ T5556] gfs2_fill_super+0xdac/0x19e0 [ 240.804951][ T5556] get_tree_bdev+0x358/0x544 [ 240.806224][ T5556] gfs2_get_tree+0x54/0x1b4 [ 240.807410][ T5556] vfs_get_tree+0x90/0x274 [ 240.808579][ T5556] do_new_mount+0x228/0x810 [ 240.809835][ T5556] path_mount+0x5b4/0x1000 [ 240.811055][ T5556] __arm64_sys_mount+0x514/0x5e4 [ 240.812346][ T5556] invoke_syscall+0x98/0x2b8 [ 240.813593][ T5556] el0_svc_common+0x138/0x258 [ 240.814841][ T5556] do_el0_svc+0x58/0x14c [ 240.816102][ T5556] el0_svc+0x78/0x1e0 [ 240.817182][ T5556] el0t_64_sync_handler+0xcc/0xe4 [ 240.818566][ T5556] el0t_64_sync+0x1a0/0x1a4 [ 240.823774][ T5556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.827375][ T5556] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.236226][ T5558] loop1: detected capacity change from 0 to 32768 [ 241.295540][ T5558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 241.297862][ T5558] CPU: 0 PID: 5558 Comm: syz.1.331 Not tainted 5.15.184-syzkaller #0 [ 241.300069][ T5558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 241.302771][ T5558] Call trace: [ 241.303676][ T5558] dump_backtrace+0x0/0x43c [ 241.304892][ T5558] show_stack+0x2c/0x3c [ 241.306055][ T5558] __dump_stack+0x30/0x40 [ 241.307266][ T5558] dump_stack_lvl+0xf8/0x160 [ 241.308553][ T5558] dump_stack+0x1c/0x5c [ 241.309657][ T5558] sysfs_create_dir_ns+0x22c/0x24c [ 241.311074][ T5558] kobject_add_internal+0x590/0xc54 [ 241.312459][ T5558] kobject_init_and_add+0x118/0x17c [ 241.313860][ T5558] gfs2_sys_fs_add+0x1dc/0x3d8 [ 241.315134][ T5558] gfs2_fill_super+0xdac/0x19e0 [ 241.316391][ T5558] get_tree_bdev+0x358/0x544 [ 241.317631][ T5558] gfs2_get_tree+0x54/0x1b4 [ 241.318867][ T5558] vfs_get_tree+0x90/0x274 [ 241.319997][ T5558] do_new_mount+0x228/0x810 [ 241.321245][ T5558] path_mount+0x5b4/0x1000 [ 241.322450][ T5558] __arm64_sys_mount+0x514/0x5e4 [ 241.323787][ T5558] invoke_syscall+0x98/0x2b8 [ 241.324980][ T5558] el0_svc_common+0x138/0x258 [ 241.326258][ T5558] do_el0_svc+0x58/0x14c [ 241.327363][ T5558] el0_svc+0x78/0x1e0 [ 241.328462][ T5558] el0t_64_sync_handler+0xcc/0xe4 [ 241.329802][ T5558] el0t_64_sync+0x1a0/0x1a4 [ 241.333800][ T5558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 241.337426][ T5558] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.701117][ T5560] loop1: detected capacity change from 0 to 32768 [ 241.753173][ T5560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 241.755151][ T5560] CPU: 0 PID: 5560 Comm: syz.1.332 Not tainted 5.15.184-syzkaller #0 [ 241.757404][ T5560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 241.760128][ T5560] Call trace: [ 241.760986][ T5560] dump_backtrace+0x0/0x43c [ 241.762183][ T5560] show_stack+0x2c/0x3c [ 241.763340][ T5560] __dump_stack+0x30/0x40 [ 241.764503][ T5560] dump_stack_lvl+0xf8/0x160 [ 241.765717][ T5560] dump_stack+0x1c/0x5c [ 241.766796][ T5560] sysfs_create_dir_ns+0x22c/0x24c [ 241.768162][ T5560] kobject_add_internal+0x590/0xc54 [ 241.769588][ T5560] kobject_init_and_add+0x118/0x17c [ 241.770999][ T5560] gfs2_sys_fs_add+0x1dc/0x3d8 [ 241.772261][ T5560] gfs2_fill_super+0xdac/0x19e0 [ 241.773588][ T5560] get_tree_bdev+0x358/0x544 [ 241.774822][ T5560] gfs2_get_tree+0x54/0x1b4 [ 241.775965][ T5560] vfs_get_tree+0x90/0x274 [ 241.777158][ T5560] do_new_mount+0x228/0x810 [ 241.778318][ T5560] path_mount+0x5b4/0x1000 [ 241.779485][ T5560] __arm64_sys_mount+0x514/0x5e4 [ 241.780825][ T5560] invoke_syscall+0x98/0x2b8 [ 241.782071][ T5560] el0_svc_common+0x138/0x258 [ 241.783337][ T5560] do_el0_svc+0x58/0x14c [ 241.784498][ T5560] el0_svc+0x78/0x1e0 [ 241.785558][ T5560] el0t_64_sync_handler+0xcc/0xe4 [ 241.786916][ T5560] el0t_64_sync+0x1a0/0x1a4 [ 241.790890][ T5560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 241.796956][ T5560] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 242.073570][ T5562] loop1: detected capacity change from 0 to 32768 [ 242.113876][ T5562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.116187][ T5562] CPU: 1 PID: 5562 Comm: syz.1.333 Not tainted 5.15.184-syzkaller #0 [ 242.118365][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 242.120949][ T5562] Call trace: [ 242.121849][ T5562] dump_backtrace+0x0/0x43c [ 242.123043][ T5562] show_stack+0x2c/0x3c [ 242.124101][ T5562] __dump_stack+0x30/0x40 [ 242.125288][ T5562] dump_stack_lvl+0xf8/0x160 [ 242.126458][ T5562] dump_stack+0x1c/0x5c [ 242.127548][ T5562] sysfs_create_dir_ns+0x22c/0x24c [ 242.128871][ T5562] kobject_add_internal+0x590/0xc54 [ 242.130272][ T5562] kobject_init_and_add+0x118/0x17c [ 242.131672][ T5562] gfs2_sys_fs_add+0x1dc/0x3d8 [ 242.132950][ T5562] gfs2_fill_super+0xdac/0x19e0 [ 242.134289][ T5562] get_tree_bdev+0x358/0x544 [ 242.135533][ T5562] gfs2_get_tree+0x54/0x1b4 [ 242.136733][ T5562] vfs_get_tree+0x90/0x274 [ 242.137923][ T5562] do_new_mount+0x228/0x810 [ 242.139111][ T5562] path_mount+0x5b4/0x1000 [ 242.140331][ T5562] __arm64_sys_mount+0x514/0x5e4 [ 242.141739][ T5562] invoke_syscall+0x98/0x2b8 [ 242.142939][ T5562] el0_svc_common+0x138/0x258 [ 242.144234][ T5562] do_el0_svc+0x58/0x14c [ 242.145340][ T5562] el0_svc+0x78/0x1e0 [ 242.146453][ T5562] el0t_64_sync_handler+0xcc/0xe4 [ 242.147803][ T5562] el0t_64_sync+0x1a0/0x1a4 [ 242.150075][ T5562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.154414][ T5562] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 242.482269][ T5564] loop1: detected capacity change from 0 to 32768 [ 242.494326][ T5564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.496364][ T5564] CPU: 0 PID: 5564 Comm: syz.1.334 Not tainted 5.15.184-syzkaller #0 [ 242.498544][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 242.501212][ T5564] Call trace: [ 242.502100][ T5564] dump_backtrace+0x0/0x43c [ 242.503351][ T5564] show_stack+0x2c/0x3c [ 242.504452][ T5564] __dump_stack+0x30/0x40 [ 242.505627][ T5564] dump_stack_lvl+0xf8/0x160 [ 242.506841][ T5564] dump_stack+0x1c/0x5c [ 242.507978][ T5564] sysfs_create_dir_ns+0x22c/0x24c [ 242.509329][ T5564] kobject_add_internal+0x590/0xc54 [ 242.510667][ T5564] kobject_init_and_add+0x118/0x17c [ 242.512002][ T5564] gfs2_sys_fs_add+0x1dc/0x3d8 [ 242.513279][ T5564] gfs2_fill_super+0xdac/0x19e0 [ 242.514569][ T5564] get_tree_bdev+0x358/0x544 [ 242.515780][ T5564] gfs2_get_tree+0x54/0x1b4 [ 242.516962][ T5564] vfs_get_tree+0x90/0x274 [ 242.518136][ T5564] do_new_mount+0x228/0x810 [ 242.519304][ T5564] path_mount+0x5b4/0x1000 [ 242.520546][ T5564] __arm64_sys_mount+0x514/0x5e4 [ 242.521891][ T5564] invoke_syscall+0x98/0x2b8 [ 242.523115][ T5564] el0_svc_common+0x138/0x258 [ 242.524334][ T5564] do_el0_svc+0x58/0x14c [ 242.525471][ T5564] el0_svc+0x78/0x1e0 [ 242.526496][ T5564] el0t_64_sync_handler+0xcc/0xe4 [ 242.527816][ T5564] el0t_64_sync+0x1a0/0x1a4 [ 242.531729][ T5564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.535478][ T5564] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 242.804227][ T5566] loop1: detected capacity change from 0 to 32768 [ 242.852433][ T5566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.854435][ T5566] CPU: 0 PID: 5566 Comm: syz.1.335 Not tainted 5.15.184-syzkaller #0 [ 242.856629][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 242.859227][ T5566] Call trace: [ 242.860093][ T5566] dump_backtrace+0x0/0x43c [ 242.861269][ T5566] show_stack+0x2c/0x3c [ 242.862441][ T5566] __dump_stack+0x30/0x40 [ 242.863626][ T5566] dump_stack_lvl+0xf8/0x160 [ 242.864851][ T5566] dump_stack+0x1c/0x5c [ 242.865929][ T5566] sysfs_create_dir_ns+0x22c/0x24c [ 242.867336][ T5566] kobject_add_internal+0x590/0xc54 [ 242.868703][ T5566] kobject_init_and_add+0x118/0x17c [ 242.870070][ T5566] gfs2_sys_fs_add+0x1dc/0x3d8 [ 242.871364][ T5566] gfs2_fill_super+0xdac/0x19e0 [ 242.872735][ T5566] get_tree_bdev+0x358/0x544 [ 242.873971][ T5566] gfs2_get_tree+0x54/0x1b4 [ 242.875150][ T5566] vfs_get_tree+0x90/0x274 [ 242.876339][ T5566] do_new_mount+0x228/0x810 [ 242.877583][ T5566] path_mount+0x5b4/0x1000 [ 242.878725][ T5566] __arm64_sys_mount+0x514/0x5e4 [ 242.880139][ T5566] invoke_syscall+0x98/0x2b8 [ 242.881386][ T5566] el0_svc_common+0x138/0x258 [ 242.882688][ T5566] do_el0_svc+0x58/0x14c [ 242.883773][ T5566] el0_svc+0x78/0x1e0 [ 242.884822][ T5566] el0t_64_sync_handler+0xcc/0xe4 [ 242.886149][ T5566] el0t_64_sync+0x1a0/0x1a4 [ 242.891595][ T5566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.895915][ T5566] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.158159][ T5568] loop1: detected capacity change from 0 to 32768 [ 243.165278][ T5568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 243.168042][ T5568] CPU: 0 PID: 5568 Comm: syz.1.336 Not tainted 5.15.184-syzkaller #0 [ 243.170286][ T5568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 243.173004][ T5568] Call trace: [ 243.173856][ T5568] dump_backtrace+0x0/0x43c [ 243.175095][ T5568] show_stack+0x2c/0x3c [ 243.176183][ T5568] __dump_stack+0x30/0x40 [ 243.177348][ T5568] dump_stack_lvl+0xf8/0x160 [ 243.178579][ T5568] dump_stack+0x1c/0x5c [ 243.179688][ T5568] sysfs_create_dir_ns+0x22c/0x24c [ 243.181044][ T5568] kobject_add_internal+0x590/0xc54 [ 243.182448][ T5568] kobject_init_and_add+0x118/0x17c [ 243.183818][ T5568] gfs2_sys_fs_add+0x1dc/0x3d8 [ 243.185058][ T5568] gfs2_fill_super+0xdac/0x19e0 [ 243.186323][ T5568] get_tree_bdev+0x358/0x544 [ 243.187587][ T5568] gfs2_get_tree+0x54/0x1b4 [ 243.188762][ T5568] vfs_get_tree+0x90/0x274 [ 243.189972][ T5568] do_new_mount+0x228/0x810 [ 243.191158][ T5568] path_mount+0x5b4/0x1000 [ 243.192345][ T5568] __arm64_sys_mount+0x514/0x5e4 [ 243.193707][ T5568] invoke_syscall+0x98/0x2b8 [ 243.194949][ T5568] el0_svc_common+0x138/0x258 [ 243.196174][ T5568] do_el0_svc+0x58/0x14c [ 243.197322][ T5568] el0_svc+0x78/0x1e0 [ 243.198405][ T5568] el0t_64_sync_handler+0xcc/0xe4 [ 243.199771][ T5568] el0t_64_sync+0x1a0/0x1a4 [ 243.204061][ T5568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 243.207525][ T5568] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.478974][ T5570] loop1: detected capacity change from 0 to 32768 [ 243.530504][ T5570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 243.532594][ T5570] CPU: 1 PID: 5570 Comm: syz.1.337 Not tainted 5.15.184-syzkaller #0 [ 243.534738][ T5570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 243.537402][ T5570] Call trace: [ 243.538239][ T5570] dump_backtrace+0x0/0x43c [ 243.539411][ T5570] show_stack+0x2c/0x3c [ 243.540532][ T5570] __dump_stack+0x30/0x40 [ 243.541695][ T5570] dump_stack_lvl+0xf8/0x160 [ 243.542886][ T5570] dump_stack+0x1c/0x5c [ 243.543997][ T5570] sysfs_create_dir_ns+0x22c/0x24c [ 243.545331][ T5570] kobject_add_internal+0x590/0xc54 [ 243.546733][ T5570] kobject_init_and_add+0x118/0x17c [ 243.548094][ T5570] gfs2_sys_fs_add+0x1dc/0x3d8 [ 243.549347][ T5570] gfs2_fill_super+0xdac/0x19e0 [ 243.550622][ T5570] get_tree_bdev+0x358/0x544 [ 243.551833][ T5570] gfs2_get_tree+0x54/0x1b4 [ 243.552991][ T5570] vfs_get_tree+0x90/0x274 [ 243.554172][ T5570] do_new_mount+0x228/0x810 [ 243.555379][ T5570] path_mount+0x5b4/0x1000 [ 243.556597][ T5570] __arm64_sys_mount+0x514/0x5e4 [ 243.557875][ T5570] invoke_syscall+0x98/0x2b8 [ 243.559118][ T5570] el0_svc_common+0x138/0x258 [ 243.560355][ T5570] do_el0_svc+0x58/0x14c [ 243.561500][ T5570] el0_svc+0x78/0x1e0 [ 243.562612][ T5570] el0t_64_sync_handler+0xcc/0xe4 [ 243.563981][ T5570] el0t_64_sync+0x1a0/0x1a4 [ 243.567963][ T5570] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 243.571456][ T5570] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.847421][ T5572] loop1: detected capacity change from 0 to 32768 [ 243.908991][ T5572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 243.910962][ T5572] CPU: 1 PID: 5572 Comm: syz.1.338 Not tainted 5.15.184-syzkaller #0 [ 243.913127][ T5572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 243.915776][ T5572] Call trace: [ 243.916608][ T5572] dump_backtrace+0x0/0x43c [ 243.917802][ T5572] show_stack+0x2c/0x3c [ 243.918903][ T5572] __dump_stack+0x30/0x40 [ 243.920077][ T5572] dump_stack_lvl+0xf8/0x160 [ 243.921289][ T5572] dump_stack+0x1c/0x5c [ 243.922407][ T5572] sysfs_create_dir_ns+0x22c/0x24c [ 243.923757][ T5572] kobject_add_internal+0x590/0xc54 [ 243.925118][ T5572] kobject_init_and_add+0x118/0x17c [ 243.926495][ T5572] gfs2_sys_fs_add+0x1dc/0x3d8 [ 243.927780][ T5572] gfs2_fill_super+0xdac/0x19e0 [ 243.929024][ T5572] get_tree_bdev+0x358/0x544 [ 243.930249][ T5572] gfs2_get_tree+0x54/0x1b4 [ 243.931441][ T5572] vfs_get_tree+0x90/0x274 [ 243.932595][ T5572] do_new_mount+0x228/0x810 [ 243.933762][ T5572] path_mount+0x5b4/0x1000 [ 243.934918][ T5572] __arm64_sys_mount+0x514/0x5e4 [ 243.936255][ T5572] invoke_syscall+0x98/0x2b8 [ 243.937444][ T5572] el0_svc_common+0x138/0x258 [ 243.938689][ T5572] do_el0_svc+0x58/0x14c [ 243.939805][ T5572] el0_svc+0x78/0x1e0 [ 243.940910][ T5572] el0t_64_sync_handler+0xcc/0xe4 [ 243.942219][ T5572] el0t_64_sync+0x1a0/0x1a4 [ 243.946149][ T5572] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 243.949671][ T5572] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 244.218887][ T5574] loop1: detected capacity change from 0 to 32768 [ 244.262578][ T5574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 244.264603][ T5574] CPU: 0 PID: 5574 Comm: syz.1.339 Not tainted 5.15.184-syzkaller #0 [ 244.266785][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 244.269675][ T5574] Call trace: [ 244.270515][ T5574] dump_backtrace+0x0/0x43c [ 244.271692][ T5574] show_stack+0x2c/0x3c [ 244.272764][ T5574] __dump_stack+0x30/0x40 [ 244.273919][ T5574] dump_stack_lvl+0xf8/0x160 [ 244.275121][ T5574] dump_stack+0x1c/0x5c [ 244.276229][ T5574] sysfs_create_dir_ns+0x22c/0x24c [ 244.277614][ T5574] kobject_add_internal+0x590/0xc54 [ 244.279032][ T5574] kobject_init_and_add+0x118/0x17c [ 244.280414][ T5574] gfs2_sys_fs_add+0x1dc/0x3d8 [ 244.281648][ T5574] gfs2_fill_super+0xdac/0x19e0 [ 244.282963][ T5574] get_tree_bdev+0x358/0x544 [ 244.284199][ T5574] gfs2_get_tree+0x54/0x1b4 [ 244.285447][ T5574] vfs_get_tree+0x90/0x274 [ 244.286623][ T5574] do_new_mount+0x228/0x810 [ 244.287795][ T5574] path_mount+0x5b4/0x1000 [ 244.288972][ T5574] __arm64_sys_mount+0x514/0x5e4 [ 244.290243][ T5574] invoke_syscall+0x98/0x2b8 [ 244.291445][ T5574] el0_svc_common+0x138/0x258 [ 244.292707][ T5574] do_el0_svc+0x58/0x14c [ 244.293854][ T5574] el0_svc+0x78/0x1e0 [ 244.294940][ T5574] el0t_64_sync_handler+0xcc/0xe4 [ 244.296273][ T5574] el0t_64_sync+0x1a0/0x1a4 [ 244.299357][ T5574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.302930][ T5574] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 244.644140][ T5576] loop1: detected capacity change from 0 to 32768 [ 244.693741][ T5576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 244.695838][ T5576] CPU: 0 PID: 5576 Comm: syz.1.340 Not tainted 5.15.184-syzkaller #0 [ 244.697947][ T5576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 244.700572][ T5576] Call trace: [ 244.701569][ T5576] dump_backtrace+0x0/0x43c [ 244.702872][ T5576] show_stack+0x2c/0x3c [ 244.703998][ T5576] __dump_stack+0x30/0x40 [ 244.705145][ T5576] dump_stack_lvl+0xf8/0x160 [ 244.706351][ T5576] dump_stack+0x1c/0x5c [ 244.707446][ T5576] sysfs_create_dir_ns+0x22c/0x24c [ 244.708785][ T5576] kobject_add_internal+0x590/0xc54 [ 244.710141][ T5576] kobject_init_and_add+0x118/0x17c [ 244.711579][ T5576] gfs2_sys_fs_add+0x1dc/0x3d8 [ 244.712832][ T5576] gfs2_fill_super+0xdac/0x19e0 [ 244.714185][ T5576] get_tree_bdev+0x358/0x544 [ 244.715421][ T5576] gfs2_get_tree+0x54/0x1b4 [ 244.716601][ T5576] vfs_get_tree+0x90/0x274 [ 244.717849][ T5576] do_new_mount+0x228/0x810 [ 244.719002][ T5576] path_mount+0x5b4/0x1000 [ 244.720184][ T5576] __arm64_sys_mount+0x514/0x5e4 [ 244.721481][ T5576] invoke_syscall+0x98/0x2b8 [ 244.722680][ T5576] el0_svc_common+0x138/0x258 [ 244.723927][ T5576] do_el0_svc+0x58/0x14c [ 244.725053][ T5576] el0_svc+0x78/0x1e0 [ 244.726093][ T5576] el0t_64_sync_handler+0xcc/0xe4 [ 244.727429][ T5576] el0t_64_sync+0x1a0/0x1a4 [ 244.730754][ T5576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.734424][ T5576] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 244.994933][ T5578] loop1: detected capacity change from 0 to 32768 [ 245.068489][ T5578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.070570][ T5578] CPU: 0 PID: 5578 Comm: syz.1.341 Not tainted 5.15.184-syzkaller #0 [ 245.072672][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.075432][ T5578] Call trace: [ 245.076287][ T5578] dump_backtrace+0x0/0x43c [ 245.077567][ T5578] show_stack+0x2c/0x3c [ 245.078692][ T5578] __dump_stack+0x30/0x40 [ 245.079848][ T5578] dump_stack_lvl+0xf8/0x160 [ 245.081108][ T5578] dump_stack+0x1c/0x5c [ 245.082183][ T5578] sysfs_create_dir_ns+0x22c/0x24c [ 245.083557][ T5578] kobject_add_internal+0x590/0xc54 [ 245.085002][ T5578] kobject_init_and_add+0x118/0x17c [ 245.086361][ T5578] gfs2_sys_fs_add+0x1dc/0x3d8 [ 245.087670][ T5578] gfs2_fill_super+0xdac/0x19e0 [ 245.089057][ T5578] get_tree_bdev+0x358/0x544 [ 245.090312][ T5578] gfs2_get_tree+0x54/0x1b4 [ 245.091533][ T5578] vfs_get_tree+0x90/0x274 [ 245.092720][ T5578] do_new_mount+0x228/0x810 [ 245.093914][ T5578] path_mount+0x5b4/0x1000 [ 245.095098][ T5578] __arm64_sys_mount+0x514/0x5e4 [ 245.096452][ T5578] invoke_syscall+0x98/0x2b8 [ 245.097749][ T5578] el0_svc_common+0x138/0x258 [ 245.099027][ T5578] do_el0_svc+0x58/0x14c [ 245.100160][ T5578] el0_svc+0x78/0x1e0 [ 245.101241][ T5578] el0t_64_sync_handler+0xcc/0xe4 [ 245.102613][ T5578] el0t_64_sync+0x1a0/0x1a4 [ 245.104897][ T5578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.108468][ T5578] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.372733][ T5580] loop1: detected capacity change from 0 to 32768 [ 245.492134][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.494156][ T5580] CPU: 0 PID: 5580 Comm: syz.1.342 Not tainted 5.15.184-syzkaller #0 [ 245.496342][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.499002][ T5580] Call trace: [ 245.499884][ T5580] dump_backtrace+0x0/0x43c [ 245.501080][ T5580] show_stack+0x2c/0x3c [ 245.502179][ T5580] __dump_stack+0x30/0x40 [ 245.503319][ T5580] dump_stack_lvl+0xf8/0x160 [ 245.504557][ T5580] dump_stack+0x1c/0x5c [ 245.505631][ T5580] sysfs_create_dir_ns+0x22c/0x24c [ 245.507011][ T5580] kobject_add_internal+0x590/0xc54 [ 245.508400][ T5580] kobject_init_and_add+0x118/0x17c [ 245.509813][ T5580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 245.511070][ T5580] gfs2_fill_super+0xdac/0x19e0 [ 245.512335][ T5580] get_tree_bdev+0x358/0x544 [ 245.513633][ T5580] gfs2_get_tree+0x54/0x1b4 [ 245.514809][ T5580] vfs_get_tree+0x90/0x274 [ 245.516003][ T5580] do_new_mount+0x228/0x810 [ 245.517195][ T5580] path_mount+0x5b4/0x1000 [ 245.518361][ T5580] __arm64_sys_mount+0x514/0x5e4 [ 245.519703][ T5580] invoke_syscall+0x98/0x2b8 [ 245.520904][ T5580] el0_svc_common+0x138/0x258 [ 245.522207][ T5580] do_el0_svc+0x58/0x14c [ 245.523315][ T5580] el0_svc+0x78/0x1e0 [ 245.524426][ T5580] el0t_64_sync_handler+0xcc/0xe4 [ 245.525759][ T5580] el0t_64_sync+0x1a0/0x1a4 [ 245.529782][ T5580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.533213][ T5580] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:05 executed programs: 329 [ 245.793561][ T5582] loop1: detected capacity change from 0 to 32768 [ 245.802560][ T4886] Bluetooth: hci1: command 0x0406 tx timeout [ 245.843799][ T5582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.845770][ T5582] CPU: 0 PID: 5582 Comm: syz.1.343 Not tainted 5.15.184-syzkaller #0 [ 245.847957][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.850567][ T5582] Call trace: [ 245.851483][ T5582] dump_backtrace+0x0/0x43c [ 245.852685][ T5582] show_stack+0x2c/0x3c [ 245.853821][ T5582] __dump_stack+0x30/0x40 [ 245.855007][ T5582] dump_stack_lvl+0xf8/0x160 [ 245.856179][ T5582] dump_stack+0x1c/0x5c [ 245.857301][ T5582] sysfs_create_dir_ns+0x22c/0x24c [ 245.858676][ T5582] kobject_add_internal+0x590/0xc54 [ 245.860110][ T5582] kobject_init_and_add+0x118/0x17c [ 245.861469][ T5582] gfs2_sys_fs_add+0x1dc/0x3d8 [ 245.862814][ T5582] gfs2_fill_super+0xdac/0x19e0 [ 245.864166][ T5582] get_tree_bdev+0x358/0x544 [ 245.865428][ T5582] gfs2_get_tree+0x54/0x1b4 [ 245.866679][ T5582] vfs_get_tree+0x90/0x274 [ 245.867896][ T5582] do_new_mount+0x228/0x810 [ 245.869032][ T5582] path_mount+0x5b4/0x1000 [ 245.870220][ T5582] __arm64_sys_mount+0x514/0x5e4 [ 245.871509][ T5582] invoke_syscall+0x98/0x2b8 [ 245.872690][ T5582] el0_svc_common+0x138/0x258 [ 245.873949][ T5582] do_el0_svc+0x58/0x14c [ 245.875096][ T5582] el0_svc+0x78/0x1e0 [ 245.876135][ T5582] el0t_64_sync_handler+0xcc/0xe4 [ 245.877511][ T5582] el0t_64_sync+0x1a0/0x1a4 [ 245.881323][ T5582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.885229][ T5582] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.207378][ T5584] loop1: detected capacity change from 0 to 32768 [ 246.215021][ T5584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.217098][ T5584] CPU: 1 PID: 5584 Comm: syz.1.344 Not tainted 5.15.184-syzkaller #0 [ 246.219229][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 246.221910][ T5584] Call trace: [ 246.222753][ T5584] dump_backtrace+0x0/0x43c [ 246.223989][ T5584] show_stack+0x2c/0x3c [ 246.225054][ T5584] __dump_stack+0x30/0x40 [ 246.226216][ T5584] dump_stack_lvl+0xf8/0x160 [ 246.227429][ T5584] dump_stack+0x1c/0x5c [ 246.228511][ T5584] sysfs_create_dir_ns+0x22c/0x24c [ 246.229838][ T5584] kobject_add_internal+0x590/0xc54 [ 246.231180][ T5584] kobject_init_and_add+0x118/0x17c [ 246.232660][ T5584] gfs2_sys_fs_add+0x1dc/0x3d8 [ 246.233926][ T5584] gfs2_fill_super+0xdac/0x19e0 [ 246.235172][ T5584] get_tree_bdev+0x358/0x544 [ 246.236359][ T5584] gfs2_get_tree+0x54/0x1b4 [ 246.237545][ T5584] vfs_get_tree+0x90/0x274 [ 246.238735][ T5584] do_new_mount+0x228/0x810 [ 246.239939][ T5584] path_mount+0x5b4/0x1000 [ 246.241098][ T5584] __arm64_sys_mount+0x514/0x5e4 [ 246.242439][ T5584] invoke_syscall+0x98/0x2b8 [ 246.243662][ T5584] el0_svc_common+0x138/0x258 [ 246.244907][ T5584] do_el0_svc+0x58/0x14c [ 246.246093][ T5584] el0_svc+0x78/0x1e0 [ 246.247119][ T5584] el0t_64_sync_handler+0xcc/0xe4 [ 246.248372][ T5584] el0t_64_sync+0x1a0/0x1a4 [ 246.251811][ T5584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.255491][ T5584] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.678661][ T5586] loop1: detected capacity change from 0 to 32768 [ 246.731376][ T5586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.733455][ T5586] CPU: 1 PID: 5586 Comm: syz.1.345 Not tainted 5.15.184-syzkaller #0 [ 246.735583][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 246.738249][ T5586] Call trace: [ 246.739091][ T5586] dump_backtrace+0x0/0x43c [ 246.740262][ T5586] show_stack+0x2c/0x3c [ 246.741341][ T5586] __dump_stack+0x30/0x40 [ 246.742484][ T5586] dump_stack_lvl+0xf8/0x160 [ 246.743704][ T5586] dump_stack+0x1c/0x5c [ 246.744850][ T5586] sysfs_create_dir_ns+0x22c/0x24c [ 246.746187][ T5586] kobject_add_internal+0x590/0xc54 [ 246.747559][ T5586] kobject_init_and_add+0x118/0x17c [ 246.748905][ T5586] gfs2_sys_fs_add+0x1dc/0x3d8 [ 246.750265][ T5586] gfs2_fill_super+0xdac/0x19e0 [ 246.751597][ T5586] get_tree_bdev+0x358/0x544 [ 246.752790][ T5586] gfs2_get_tree+0x54/0x1b4 [ 246.754002][ T5586] vfs_get_tree+0x90/0x274 [ 246.755128][ T5586] do_new_mount+0x228/0x810 [ 246.756354][ T5586] path_mount+0x5b4/0x1000 [ 246.757514][ T5586] __arm64_sys_mount+0x514/0x5e4 [ 246.758844][ T5586] invoke_syscall+0x98/0x2b8 [ 246.760097][ T5586] el0_svc_common+0x138/0x258 [ 246.761331][ T5586] do_el0_svc+0x58/0x14c [ 246.762440][ T5586] el0_svc+0x78/0x1e0 [ 246.763524][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 246.764960][ T5586] el0t_64_sync+0x1a0/0x1a4 [ 246.768920][ T5586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.773846][ T5586] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 247.052767][ T5588] loop1: detected capacity change from 0 to 32768 [ 247.113251][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.115295][ T5588] CPU: 1 PID: 5588 Comm: syz.1.346 Not tainted 5.15.184-syzkaller #0 [ 247.117398][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.120079][ T5588] Call trace: [ 247.120921][ T5588] dump_backtrace+0x0/0x43c [ 247.122170][ T5588] show_stack+0x2c/0x3c [ 247.123273][ T5588] __dump_stack+0x30/0x40 [ 247.124432][ T5588] dump_stack_lvl+0xf8/0x160 [ 247.125622][ T5588] dump_stack+0x1c/0x5c [ 247.126741][ T5588] sysfs_create_dir_ns+0x22c/0x24c [ 247.128129][ T5588] kobject_add_internal+0x590/0xc54 [ 247.129583][ T5588] kobject_init_and_add+0x118/0x17c [ 247.130956][ T5588] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.132224][ T5588] gfs2_fill_super+0xdac/0x19e0 [ 247.133523][ T5588] get_tree_bdev+0x358/0x544 [ 247.134751][ T5588] gfs2_get_tree+0x54/0x1b4 [ 247.135972][ T5588] vfs_get_tree+0x90/0x274 [ 247.137195][ T5588] do_new_mount+0x228/0x810 [ 247.138406][ T5588] path_mount+0x5b4/0x1000 [ 247.139587][ T5588] __arm64_sys_mount+0x514/0x5e4 [ 247.140950][ T5588] invoke_syscall+0x98/0x2b8 [ 247.142195][ T5588] el0_svc_common+0x138/0x258 [ 247.143451][ T5588] do_el0_svc+0x58/0x14c [ 247.144567][ T5588] el0_svc+0x78/0x1e0 [ 247.145640][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 247.146945][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 247.149359][ T5588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.153272][ T5588] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 247.417078][ T5590] loop1: detected capacity change from 0 to 32768 [ 247.480742][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.482876][ T5590] CPU: 1 PID: 5590 Comm: syz.1.347 Not tainted 5.15.184-syzkaller #0 [ 247.485020][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.487681][ T5590] Call trace: [ 247.488526][ T5590] dump_backtrace+0x0/0x43c [ 247.489721][ T5590] show_stack+0x2c/0x3c [ 247.490780][ T5590] __dump_stack+0x30/0x40 [ 247.491936][ T5590] dump_stack_lvl+0xf8/0x160 [ 247.493163][ T5590] dump_stack+0x1c/0x5c [ 247.494269][ T5590] sysfs_create_dir_ns+0x22c/0x24c [ 247.495647][ T5590] kobject_add_internal+0x590/0xc54 [ 247.497028][ T5590] kobject_init_and_add+0x118/0x17c [ 247.498373][ T5590] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.499642][ T5590] gfs2_fill_super+0xdac/0x19e0 [ 247.500845][ T5590] get_tree_bdev+0x358/0x544 [ 247.502037][ T5590] gfs2_get_tree+0x54/0x1b4 [ 247.503236][ T5590] vfs_get_tree+0x90/0x274 [ 247.504439][ T5590] do_new_mount+0x228/0x810 [ 247.505615][ T5590] path_mount+0x5b4/0x1000 [ 247.506817][ T5590] __arm64_sys_mount+0x514/0x5e4 [ 247.508119][ T5590] invoke_syscall+0x98/0x2b8 [ 247.509364][ T5590] el0_svc_common+0x138/0x258 [ 247.510629][ T5590] do_el0_svc+0x58/0x14c [ 247.511797][ T5590] el0_svc+0x78/0x1e0 [ 247.512867][ T5590] el0t_64_sync_handler+0xcc/0xe4 [ 247.514172][ T5590] el0t_64_sync+0x1a0/0x1a4 [ 247.515607][ T5590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.518992][ T5590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 247.788173][ T5592] loop1: detected capacity change from 0 to 32768 [ 247.800384][ T5592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.802735][ T5592] CPU: 1 PID: 5592 Comm: syz.1.348 Not tainted 5.15.184-syzkaller #0 [ 247.805084][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.807801][ T5592] Call trace: [ 247.808663][ T5592] dump_backtrace+0x0/0x43c [ 247.810001][ T5592] show_stack+0x2c/0x3c [ 247.811223][ T5592] __dump_stack+0x30/0x40 [ 247.812387][ T5592] dump_stack_lvl+0xf8/0x160 [ 247.813631][ T5592] dump_stack+0x1c/0x5c [ 247.814733][ T5592] sysfs_create_dir_ns+0x22c/0x24c [ 247.816077][ T5592] kobject_add_internal+0x590/0xc54 [ 247.817499][ T5592] kobject_init_and_add+0x118/0x17c [ 247.818917][ T5592] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.820243][ T5592] gfs2_fill_super+0xdac/0x19e0 [ 247.821547][ T5592] get_tree_bdev+0x358/0x544 [ 247.822791][ T5592] gfs2_get_tree+0x54/0x1b4 [ 247.824018][ T5592] vfs_get_tree+0x90/0x274 [ 247.825323][ T5592] do_new_mount+0x228/0x810 [ 247.826581][ T5592] path_mount+0x5b4/0x1000 [ 247.827818][ T5592] __arm64_sys_mount+0x514/0x5e4 [ 247.829187][ T5592] invoke_syscall+0x98/0x2b8 [ 247.830459][ T5592] el0_svc_common+0x138/0x258 [ 247.831683][ T5592] do_el0_svc+0x58/0x14c [ 247.832811][ T5592] el0_svc+0x78/0x1e0 [ 247.833889][ T5592] el0t_64_sync_handler+0xcc/0xe4 [ 247.835250][ T5592] el0t_64_sync+0x1a0/0x1a4 [ 247.838766][ T5592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.844912][ T5592] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.109264][ T5594] loop1: detected capacity change from 0 to 32768 [ 248.153002][ T5594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.154994][ T5594] CPU: 1 PID: 5594 Comm: syz.1.349 Not tainted 5.15.184-syzkaller #0 [ 248.157142][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 248.159804][ T5594] Call trace: [ 248.160648][ T5594] dump_backtrace+0x0/0x43c [ 248.161844][ T5594] show_stack+0x2c/0x3c [ 248.163007][ T5594] __dump_stack+0x30/0x40 [ 248.164151][ T5594] dump_stack_lvl+0xf8/0x160 [ 248.165361][ T5594] dump_stack+0x1c/0x5c [ 248.166479][ T5594] sysfs_create_dir_ns+0x22c/0x24c [ 248.167855][ T5594] kobject_add_internal+0x590/0xc54 [ 248.169209][ T5594] kobject_init_and_add+0x118/0x17c [ 248.170623][ T5594] gfs2_sys_fs_add+0x1dc/0x3d8 [ 248.171900][ T5594] gfs2_fill_super+0xdac/0x19e0 [ 248.173195][ T5594] get_tree_bdev+0x358/0x544 [ 248.174337][ T5594] gfs2_get_tree+0x54/0x1b4 [ 248.175530][ T5594] vfs_get_tree+0x90/0x274 [ 248.176684][ T5594] do_new_mount+0x228/0x810 [ 248.177903][ T5594] path_mount+0x5b4/0x1000 [ 248.179067][ T5594] __arm64_sys_mount+0x514/0x5e4 [ 248.180344][ T5594] invoke_syscall+0x98/0x2b8 [ 248.181571][ T5594] el0_svc_common+0x138/0x258 [ 248.182809][ T5594] do_el0_svc+0x58/0x14c [ 248.183937][ T5594] el0_svc+0x78/0x1e0 [ 248.184981][ T5594] el0t_64_sync_handler+0xcc/0xe4 [ 248.186336][ T5594] el0t_64_sync+0x1a0/0x1a4 [ 248.189903][ T5594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.193517][ T5594] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.468228][ T5596] loop1: detected capacity change from 0 to 32768 [ 248.524299][ T5596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.526370][ T5596] CPU: 0 PID: 5596 Comm: syz.1.350 Not tainted 5.15.184-syzkaller #0 [ 248.528530][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 248.531168][ T5596] Call trace: [ 248.532015][ T5596] dump_backtrace+0x0/0x43c [ 248.533243][ T5596] show_stack+0x2c/0x3c [ 248.534410][ T5596] __dump_stack+0x30/0x40 [ 248.535604][ T5596] dump_stack_lvl+0xf8/0x160 [ 248.536812][ T5596] dump_stack+0x1c/0x5c [ 248.537949][ T5596] sysfs_create_dir_ns+0x22c/0x24c [ 248.539386][ T5596] kobject_add_internal+0x590/0xc54 [ 248.540802][ T5596] kobject_init_and_add+0x118/0x17c [ 248.542220][ T5596] gfs2_sys_fs_add+0x1dc/0x3d8 [ 248.543497][ T5596] gfs2_fill_super+0xdac/0x19e0 [ 248.544761][ T5596] get_tree_bdev+0x358/0x544 [ 248.546024][ T5596] gfs2_get_tree+0x54/0x1b4 [ 248.547216][ T5596] vfs_get_tree+0x90/0x274 [ 248.548418][ T5596] do_new_mount+0x228/0x810 [ 248.549666][ T5596] path_mount+0x5b4/0x1000 [ 248.550808][ T5596] __arm64_sys_mount+0x514/0x5e4 [ 248.552109][ T5596] invoke_syscall+0x98/0x2b8 [ 248.553344][ T5596] el0_svc_common+0x138/0x258 [ 248.554580][ T5596] do_el0_svc+0x58/0x14c [ 248.555748][ T5596] el0_svc+0x78/0x1e0 [ 248.556779][ T5596] el0t_64_sync_handler+0xcc/0xe4 [ 248.558101][ T5596] el0t_64_sync+0x1a0/0x1a4 [ 248.560318][ T5596] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.564107][ T5596] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.880995][ T5598] loop1: detected capacity change from 0 to 32768 [ 248.894381][ T5598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.896415][ T5598] CPU: 1 PID: 5598 Comm: syz.1.351 Not tainted 5.15.184-syzkaller #0 [ 248.898706][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 248.901398][ T5598] Call trace: [ 248.902236][ T5598] dump_backtrace+0x0/0x43c [ 248.903616][ T5598] show_stack+0x2c/0x3c [ 248.904753][ T5598] __dump_stack+0x30/0x40 [ 248.905895][ T5598] dump_stack_lvl+0xf8/0x160 [ 248.907110][ T5598] dump_stack+0x1c/0x5c [ 248.908223][ T5598] sysfs_create_dir_ns+0x22c/0x24c [ 248.909557][ T5598] kobject_add_internal+0x590/0xc54 [ 248.910909][ T5598] kobject_init_and_add+0x118/0x17c [ 248.912339][ T5598] gfs2_sys_fs_add+0x1dc/0x3d8 [ 248.913583][ T5598] gfs2_fill_super+0xdac/0x19e0 [ 248.914833][ T5598] get_tree_bdev+0x358/0x544 [ 248.916062][ T5598] gfs2_get_tree+0x54/0x1b4 [ 248.917274][ T5598] vfs_get_tree+0x90/0x274 [ 248.918465][ T5598] do_new_mount+0x228/0x810 [ 248.919688][ T5598] path_mount+0x5b4/0x1000 [ 248.920916][ T5598] __arm64_sys_mount+0x514/0x5e4 [ 248.922226][ T5598] invoke_syscall+0x98/0x2b8 [ 248.923482][ T5598] el0_svc_common+0x138/0x258 [ 248.924741][ T5598] do_el0_svc+0x58/0x14c [ 248.925870][ T5598] el0_svc+0x78/0x1e0 [ 248.926946][ T5598] el0t_64_sync_handler+0xcc/0xe4 [ 248.928314][ T5598] el0t_64_sync+0x1a0/0x1a4 [ 248.932107][ T5598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.935596][ T5598] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 249.200619][ T5600] loop1: detected capacity change from 0 to 32768 [ 249.251845][ T5600] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 249.256635][ T5600] CPU: 1 PID: 5600 Comm: syz.1.352 Not tainted 5.15.184-syzkaller #0 [ 249.258846][ T5600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 249.261560][ T5600] Call trace: [ 249.262421][ T5600] dump_backtrace+0x0/0x43c [ 249.263688][ T5600] show_stack+0x2c/0x3c [ 249.264837][ T5600] __dump_stack+0x30/0x40 [ 249.266014][ T5600] dump_stack_lvl+0xf8/0x160 [ 249.267189][ T5600] dump_stack+0x1c/0x5c [ 249.268290][ T5600] sysfs_create_dir_ns+0x22c/0x24c [ 249.269703][ T5600] kobject_add_internal+0x590/0xc54 [ 249.271106][ T5600] kobject_init_and_add+0x118/0x17c [ 249.272528][ T5600] gfs2_sys_fs_add+0x1dc/0x3d8 [ 249.273808][ T5600] gfs2_fill_super+0xdac/0x19e0 [ 249.275047][ T5600] get_tree_bdev+0x358/0x544 [ 249.276207][ T5600] gfs2_get_tree+0x54/0x1b4 [ 249.277487][ T5600] vfs_get_tree+0x90/0x274 [ 249.278614][ T5600] do_new_mount+0x228/0x810 [ 249.279771][ T5600] path_mount+0x5b4/0x1000 [ 249.280907][ T5600] __arm64_sys_mount+0x514/0x5e4 [ 249.282230][ T5600] invoke_syscall+0x98/0x2b8 [ 249.283452][ T5600] el0_svc_common+0x138/0x258 [ 249.284706][ T5600] do_el0_svc+0x58/0x14c [ 249.285816][ T5600] el0_svc+0x78/0x1e0 [ 249.286869][ T5600] el0t_64_sync_handler+0xcc/0xe4 [ 249.288228][ T5600] el0t_64_sync+0x1a0/0x1a4 [ 249.292324][ T5600] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 249.295893][ T5600] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 249.577674][ T5602] loop1: detected capacity change from 0 to 32768 [ 249.584129][ T5602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 249.586084][ T5602] CPU: 1 PID: 5602 Comm: syz.1.353 Not tainted 5.15.184-syzkaller #0 [ 249.588192][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 249.590809][ T5602] Call trace: [ 249.591676][ T5602] dump_backtrace+0x0/0x43c [ 249.592859][ T5602] show_stack+0x2c/0x3c [ 249.593979][ T5602] __dump_stack+0x30/0x40 [ 249.595135][ T5602] dump_stack_lvl+0xf8/0x160 [ 249.596349][ T5602] dump_stack+0x1c/0x5c [ 249.597516][ T5602] sysfs_create_dir_ns+0x22c/0x24c [ 249.598866][ T5602] kobject_add_internal+0x590/0xc54 [ 249.600253][ T5602] kobject_init_and_add+0x118/0x17c [ 249.601663][ T5602] gfs2_sys_fs_add+0x1dc/0x3d8 [ 249.602937][ T5602] gfs2_fill_super+0xdac/0x19e0 [ 249.604195][ T5602] get_tree_bdev+0x358/0x544 [ 249.605457][ T5602] gfs2_get_tree+0x54/0x1b4 [ 249.606693][ T5602] vfs_get_tree+0x90/0x274 [ 249.607930][ T5602] do_new_mount+0x228/0x810 [ 249.609183][ T5602] path_mount+0x5b4/0x1000 [ 249.610328][ T5602] __arm64_sys_mount+0x514/0x5e4 [ 249.611714][ T5602] invoke_syscall+0x98/0x2b8 [ 249.612908][ T5602] el0_svc_common+0x138/0x258 [ 249.614196][ T5602] do_el0_svc+0x58/0x14c [ 249.615364][ T5602] el0_svc+0x78/0x1e0 [ 249.616425][ T5602] el0t_64_sync_handler+0xcc/0xe4 [ 249.617756][ T5602] el0t_64_sync+0x1a0/0x1a4 [ 249.621371][ T5602] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 249.625139][ T5602] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 250.022758][ T5604] loop1: detected capacity change from 0 to 32768 [ 250.081254][ T5604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 250.083355][ T5604] CPU: 1 PID: 5604 Comm: syz.1.354 Not tainted 5.15.184-syzkaller #0 [ 250.085494][ T5604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 250.088160][ T5604] Call trace: [ 250.089020][ T5604] dump_backtrace+0x0/0x43c [ 250.090254][ T5604] show_stack+0x2c/0x3c [ 250.091355][ T5604] __dump_stack+0x30/0x40 [ 250.092501][ T5604] dump_stack_lvl+0xf8/0x160 [ 250.093732][ T5604] dump_stack+0x1c/0x5c [ 250.094824][ T5604] sysfs_create_dir_ns+0x22c/0x24c [ 250.096138][ T5604] kobject_add_internal+0x590/0xc54 [ 250.097544][ T5604] kobject_init_and_add+0x118/0x17c [ 250.098888][ T5604] gfs2_sys_fs_add+0x1dc/0x3d8 [ 250.100180][ T5604] gfs2_fill_super+0xdac/0x19e0 [ 250.101440][ T5604] get_tree_bdev+0x358/0x544 [ 250.102672][ T5604] gfs2_get_tree+0x54/0x1b4 [ 250.103867][ T5604] vfs_get_tree+0x90/0x274 [ 250.105047][ T5604] do_new_mount+0x228/0x810 [ 250.106220][ T5604] path_mount+0x5b4/0x1000 [ 250.107381][ T5604] __arm64_sys_mount+0x514/0x5e4 [ 250.108694][ T5604] invoke_syscall+0x98/0x2b8 [ 250.109936][ T5604] el0_svc_common+0x138/0x258 [ 250.111149][ T5604] do_el0_svc+0x58/0x14c [ 250.112303][ T5604] el0_svc+0x78/0x1e0 [ 250.113387][ T5604] el0t_64_sync_handler+0xcc/0xe4 [ 250.114763][ T5604] el0t_64_sync+0x1a0/0x1a4 [ 250.118419][ T5604] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 250.121948][ T5604] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 250.386356][ T5606] loop1: detected capacity change from 0 to 32768 [ 250.454002][ T5606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 250.456099][ T5606] CPU: 0 PID: 5606 Comm: syz.1.355 Not tainted 5.15.184-syzkaller #0 [ 250.458239][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 250.460882][ T5606] Call trace: [ 250.461740][ T5606] dump_backtrace+0x0/0x43c [ 250.462901][ T5606] show_stack+0x2c/0x3c [ 250.464009][ T5606] __dump_stack+0x30/0x40 [ 250.465230][ T5606] dump_stack_lvl+0xf8/0x160 [ 250.466477][ T5606] dump_stack+0x1c/0x5c [ 250.467665][ T5606] sysfs_create_dir_ns+0x22c/0x24c [ 250.469084][ T5606] kobject_add_internal+0x590/0xc54 [ 250.470447][ T5606] kobject_init_and_add+0x118/0x17c [ 250.471863][ T5606] gfs2_sys_fs_add+0x1dc/0x3d8 [ 250.473137][ T5606] gfs2_fill_super+0xdac/0x19e0 [ 250.474552][ T5606] get_tree_bdev+0x358/0x544 [ 250.475861][ T5606] gfs2_get_tree+0x54/0x1b4 [ 250.477297][ T5606] vfs_get_tree+0x90/0x274 [ 250.478449][ T5606] do_new_mount+0x228/0x810 [ 250.479733][ T5606] path_mount+0x5b4/0x1000 [ 250.480953][ T5606] __arm64_sys_mount+0x514/0x5e4 [ 250.482306][ T5606] invoke_syscall+0x98/0x2b8 [ 250.483598][ T5606] el0_svc_common+0x138/0x258 [ 250.484903][ T5606] do_el0_svc+0x58/0x14c [ 250.486038][ T5606] el0_svc+0x78/0x1e0 [ 250.487078][ T5606] el0t_64_sync_handler+0xcc/0xe4 [ 250.488435][ T5606] el0t_64_sync+0x1a0/0x1a4 [ 250.492495][ T5606] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 250.496054][ T5606] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 250.762268][ T27] INFO: task kworker/0:12:4882 blocked for more than 143 seconds. [ 250.764679][ T27] Not tainted 5.15.184-syzkaller #0 [ 250.766236][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 250.768495][ T27] task:kworker/0:12 state:D stack: 0 pid: 4882 ppid: 2 flags:0x00000008 [ 250.770848][ T27] Workqueue: gfs_recovery gfs2_recover_func [ 250.773906][ T5608] loop1: detected capacity change from 0 to 32768 [ 250.775585][ T27] Call trace: [ 250.776640][ T27] __switch_to+0x2f4/0x558 [ 250.777777][ T27] __schedule+0xe00/0x1c0c [ 250.778948][ T27] schedule+0x11c/0x1c8 [ 250.780211][ T27] io_schedule+0x84/0x160 [ 250.781385][ T27] wait_on_page_bit_common+0x61c/0xa74 [ 250.783769][ T27] wait_on_page_bit+0x58/0x68 [ 250.785027][ T27] gfs2_jhead_process_page+0x1e0/0x698 [ 250.786458][ T27] gfs2_find_jhead+0xb6c/0xca8 [ 250.786919][ T5608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 250.787730][ T27] gfs2_recover_func+0x500/0x157c [ 250.789778][ T5608] CPU: 1 PID: 5608 Comm: syz.1.356 Not tainted 5.15.184-syzkaller #0 [ 250.791043][ T27] process_one_work+0x79c/0x1140 [ 250.793282][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 250.793295][ T5608] Call trace: [ 250.793298][ T5608] dump_backtrace+0x0/0x43c [ 250.793314][ T5608] show_stack+0x2c/0x3c [ 250.793324][ T5608] __dump_stack+0x30/0x40 [ 250.793334][ T5608] dump_stack_lvl+0xf8/0x160 [ 250.795885][ T27] worker_thread+0x8f4/0x101c [ 250.797390][ T5608] dump_stack+0x1c/0x5c [ 250.798292][ T27] kthread+0x374/0x454 [ 250.799464][ T5608] sysfs_create_dir_ns+0x22c/0x24c [ 250.800890][ T27] ret_from_fork+0x10/0x20 [ 250.801992][ T5608] kobject_add_internal+0x590/0xc54 [ 250.803754][ T27] INFO: task syz.0.16:4902 blocked for more than 143 seconds. [ 250.804383][ T5608] kobject_init_and_add+0x118/0x17c [ 250.805601][ T27] Not tainted 5.15.184-syzkaller #0 [ 250.806559][ T5608] gfs2_sys_fs_add+0x1dc/0x3d8 [ 250.807894][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 250.809038][ T5608] gfs2_fill_super+0xdac/0x19e0 [ 250.810352][ T27] task:syz.0.16 state:D [ 250.812328][ T5608] get_tree_bdev+0x358/0x544 [ 250.812347][ T5608] gfs2_get_tree+0x54/0x1b4 [ 250.812357][ T5608] vfs_get_tree+0x90/0x274 [ 250.812367][ T5608] do_new_mount+0x228/0x810 [ 250.812376][ T5608] path_mount+0x5b4/0x1000 [ 250.814604][ T27] stack: 0 pid: 4902 ppid: 4685 flags:0x00000009 [ 250.815180][ T5608] __arm64_sys_mount+0x514/0x5e4 [ 250.816601][ T27] Call trace: [ 250.818806][ T5608] invoke_syscall+0x98/0x2b8 [ 250.820629][ T27] __switch_to+0x2f4/0x558 [ 250.821360][ T5608] el0_svc_common+0x138/0x258 [ 250.823171][ T27] __schedule+0xe00/0x1c0c [ 250.823760][ T5608] do_el0_svc+0x58/0x14c [ 250.824897][ T27] schedule+0x11c/0x1c8 [ 250.826109][ T5608] el0_svc+0x78/0x1e0 [ 250.827410][ T27] bit_wait+0x1c/0xac [ 250.829045][ T5608] el0t_64_sync_handler+0xcc/0xe4 [ 250.830315][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 250.831194][ T5608] el0t_64_sync+0x1a0/0x1a4 [ 250.844076][ T27] gfs2_recover_journal+0xf0/0x16c [ 250.844874][ T5608] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 250.849095][ T5608] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 250.852740][ T27] init_journal+0x133c/0x1d7c [ 250.854666][ T27] init_inodes+0xe0/0x2d4 [ 250.855985][ T27] gfs2_fill_super+0x121c/0x19e0 [ 250.865674][ T27] get_tree_bdev+0x358/0x544 [ 250.866890][ T27] gfs2_get_tree+0x54/0x1b4 [ 250.868091][ T27] vfs_get_tree+0x90/0x274 [ 250.869240][ T27] do_new_mount+0x228/0x810 [ 250.870492][ T27] path_mount+0x5b4/0x1000 [ 250.871693][ T27] __arm64_sys_mount+0x514/0x5e4 [ 250.875330][ T27] invoke_syscall+0x98/0x2b8 [ 250.876626][ T27] el0_svc_common+0x138/0x258 [ 250.877877][ T27] do_el0_svc+0x58/0x14c [ 250.879027][ T27] el0_svc+0x78/0x1e0 [ 250.880209][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 250.884258][ T27] el0t_64_sync+0x1a0/0x1a4 [ 250.885556][ T27] [ 250.885556][ T27] Showing all locks held in the system: [ 250.887591][ T27] 1 lock held by khungtaskd/27: [ 250.888893][ T27] #0: ffff8000143211e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 250.891451][ T27] 2 locks held by getty/3796: [ 250.893542][ T27] #0: ffff0000d4dd9098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 250.896207][ T27] #1: ffff80001b7802e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 250.898879][ T27] 2 locks held by kworker/0:12/4882: [ 250.900273][ T27] #0: ffff0000c6cac938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 250.903438][ T27] #1: ffff80001f6f7c00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 250.906473][ T27] 1 lock held by syz.0.16/4902: [ 250.907770][ T27] #0: ffff0000d6b200e0 (&type->s_umount_key#51/1){+.+.}-{3:3}, at: alloc_super+0x1a8/0x824 [ 250.910379][ T27] 2 locks held by udevd/4907: [ 250.911662][ T27] #0: ffff0000cbc89118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac [ 250.914238][ T27] #1: ffff0000cbc7b468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa4/0x978 [ 250.916734][ T27] 2 locks held by syz.1.357/5610: [ 250.918039][ T27] [ 250.918639][ T27] ============================================= [ 250.918639][ T27] [ 250.920868][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 250.922626][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.184-syzkaller #0 1970/01/01 00:04:10 executed programs: 343 [ 250.924764][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 250.927472][ T27] Call trace: [ 250.928321][ T27] dump_backtrace+0x0/0x43c [ 250.929515][ T27] show_stack+0x2c/0x3c [ 250.930661][ T27] __dump_stack+0x30/0x40 [ 250.931841][ T27] dump_stack_lvl+0xf8/0x160 [ 250.933085][ T27] dump_stack+0x1c/0x5c [ 250.934254][ T27] panic+0x2e4/0x854 [ 250.935286][ T27] hung_task_panic+0x0/0x2c [ 250.936475][ T27] kthread+0x374/0x454 [ 250.937533][ T27] ret_from_fork+0x10/0x20 [ 250.938727][ T27] SMP: stopping secondary CPUs [ 250.940060][ T27] Kernel Offset: disabled [ 250.941205][ T27] CPU features: 0x8,000081c1,21302e40 [ 250.942607][ T27] Memory Limit: none [ 251.571452][ T27] Rebooting in 86400 seconds..