+0x514/0x5e4 [ 271.665396][ T4554] invoke_syscall+0x98/0x2b8 [ 271.666186][ T4554] el0_svc_common+0x138/0x258 [ 271.666963][ T4554] do_el0_svc+0x58/0x14c [ 271.667599][ T4554] el0_svc+0x78/0x1e0 [ 271.668218][ T4554] el0t_64_sync_handler+0xcc/0xe4 [ 271.669068][ T4554] el0t_64_sync+0x1a0/0x1a4 [ 271.679786][ T4554] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 271.681904][ T4554] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 272.018812][ T4555] loop1: detected capacity change from 0 to 32768 [ 272.069222][ T4555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 272.070336][ T4555] CPU: 1 PID: 4555 Comm: syz.1.329 Not tainted 5.15.189-syzkaller #0 [ 272.071635][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 272.073003][ T4555] Call trace: [ 272.073597][ T4555] dump_backtrace+0x0/0x43c [ 272.074254][ T4555] show_stack+0x2c/0x3c [ 272.074912][ T4555] __dump_stack+0x30/0x40 [ 272.075532][ T4555] dump_stack_lvl+0xf8/0x160 [ 272.076272][ T4555] dump_stack+0x1c/0x5c [ 272.076934][ T4555] sysfs_create_dir_ns+0x22c/0x24c [ 272.077713][ T4555] kobject_add_internal+0x590/0xc54 [ 272.078482][ T4555] kobject_init_and_add+0x118/0x17c [ 272.079329][ T4555] gfs2_sys_fs_add+0x1dc/0x3d8 [ 272.080103][ T4555] gfs2_fill_super+0xdac/0x19e0 [ 272.080866][ T4555] get_tree_bdev+0x358/0x544 [ 272.081693][ T4555] gfs2_get_tree+0x54/0x1b4 [ 272.082445][ T4555] vfs_get_tree+0x90/0x274 [ 272.083135][ T4555] do_new_mount+0x228/0x810 [ 272.083909][ T4555] path_mount+0x5b4/0x1000 [ 272.084719][ T4555] __arm64_sys_mount+0x514/0x5e4 [ 272.085406][ T4555] invoke_syscall+0x98/0x2b8 [ 272.086089][ T4555] el0_svc_common+0x138/0x258 [ 272.086824][ T4555] do_el0_svc+0x58/0x14c [ 272.087492][ T4555] el0_svc+0x78/0x1e0 [ 272.088180][ T4555] el0t_64_sync_handler+0xcc/0xe4 [ 272.088990][ T4555] el0t_64_sync+0x1a0/0x1a4 [ 272.090597][ T4555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 272.092579][ T4555] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 272.368271][ T4556] loop1: detected capacity change from 0 to 32768 [ 272.416333][ T4556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 272.417481][ T4556] CPU: 1 PID: 4556 Comm: syz.1.330 Not tainted 5.15.189-syzkaller #0 [ 272.418760][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 272.420073][ T4556] Call trace: [ 272.420501][ T4556] dump_backtrace+0x0/0x43c [ 272.421308][ T4556] show_stack+0x2c/0x3c [ 272.421905][ T4556] __dump_stack+0x30/0x40 [ 272.422505][ T4556] dump_stack_lvl+0xf8/0x160 [ 272.423135][ T4556] dump_stack+0x1c/0x5c [ 272.423787][ T4556] sysfs_create_dir_ns+0x22c/0x24c [ 272.424622][ T4556] kobject_add_internal+0x590/0xc54 [ 272.425542][ T4556] kobject_init_and_add+0x118/0x17c [ 272.426336][ T4556] gfs2_sys_fs_add+0x1dc/0x3d8 [ 272.427103][ T4556] gfs2_fill_super+0xdac/0x19e0 [ 272.427838][ T4556] get_tree_bdev+0x358/0x544 [ 272.428546][ T4556] gfs2_get_tree+0x54/0x1b4 [ 272.429354][ T4556] vfs_get_tree+0x90/0x274 [ 272.430063][ T4556] do_new_mount+0x228/0x810 [ 272.430769][ T4556] path_mount+0x5b4/0x1000 [ 272.431446][ T4556] __arm64_sys_mount+0x514/0x5e4 [ 272.432196][ T4556] invoke_syscall+0x98/0x2b8 [ 272.432850][ T4556] el0_svc_common+0x138/0x258 [ 272.433676][ T4556] do_el0_svc+0x58/0x14c [ 272.434256][ T4556] el0_svc+0x78/0x1e0 [ 272.434825][ T4556] el0t_64_sync_handler+0xcc/0xe4 [ 272.435701][ T4556] el0t_64_sync+0x1a0/0x1a4 [ 272.439219][ T4556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 272.441199][ T4556] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 272.719014][ T4558] loop1: detected capacity change from 0 to 32768 [ 272.782969][ T4558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 272.783969][ T4558] CPU: 1 PID: 4558 Comm: syz.1.331 Not tainted 5.15.189-syzkaller #0 [ 272.785157][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 272.786795][ T4558] Call trace: [ 272.787220][ T4558] dump_backtrace+0x0/0x43c [ 272.788012][ T4558] show_stack+0x2c/0x3c [ 272.788744][ T4558] __dump_stack+0x30/0x40 [ 272.789420][ T4558] dump_stack_lvl+0xf8/0x160 [ 272.790147][ T4558] dump_stack+0x1c/0x5c [ 272.790752][ T4558] sysfs_create_dir_ns+0x22c/0x24c [ 272.791621][ T4558] kobject_add_internal+0x590/0xc54 [ 272.792352][ T4558] kobject_init_and_add+0x118/0x17c [ 272.793127][ T4558] gfs2_sys_fs_add+0x1dc/0x3d8 [ 272.794006][ T4558] gfs2_fill_super+0xdac/0x19e0 [ 272.794835][ T4558] get_tree_bdev+0x358/0x544 [ 272.795711][ T4558] gfs2_get_tree+0x54/0x1b4 [ 272.796391][ T4558] vfs_get_tree+0x90/0x274 [ 272.797081][ T4558] do_new_mount+0x228/0x810 [ 272.797838][ T4558] path_mount+0x5b4/0x1000 [ 272.798538][ T4558] __arm64_sys_mount+0x514/0x5e4 [ 272.799281][ T4558] invoke_syscall+0x98/0x2b8 [ 272.799944][ T4558] el0_svc_common+0x138/0x258 [ 272.800627][ T4558] do_el0_svc+0x58/0x14c [ 272.801301][ T4558] el0_svc+0x78/0x1e0 [ 272.801940][ T4558] el0t_64_sync_handler+0xcc/0xe4 [ 272.802784][ T4558] el0t_64_sync+0x1a0/0x1a4 [ 272.806175][ T4558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 272.808042][ T4558] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 273.086128][ T4559] loop1: detected capacity change from 0 to 32768 [ 273.146337][ T4559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 273.147395][ T4559] CPU: 0 PID: 4559 Comm: syz.1.332 Not tainted 5.15.189-syzkaller #0 [ 273.148580][ T4559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 273.150188][ T4559] Call trace: [ 273.150705][ T4559] dump_backtrace+0x0/0x43c [ 273.151378][ T4559] show_stack+0x2c/0x3c [ 273.152078][ T4559] __dump_stack+0x30/0x40 [ 273.152734][ T4559] dump_stack_lvl+0xf8/0x160 [ 273.153315][ T4559] dump_stack+0x1c/0x5c [ 273.153965][ T4559] sysfs_create_dir_ns+0x22c/0x24c [ 273.154697][ T4559] kobject_add_internal+0x590/0xc54 [ 273.155389][ T4559] kobject_init_and_add+0x118/0x17c [ 273.156199][ T4559] gfs2_sys_fs_add+0x1dc/0x3d8 [ 273.156964][ T4559] gfs2_fill_super+0xdac/0x19e0 [ 273.157788][ T4559] get_tree_bdev+0x358/0x544 [ 273.158527][ T4559] gfs2_get_tree+0x54/0x1b4 [ 273.159128][ T4559] vfs_get_tree+0x90/0x274 [ 273.159760][ T4559] do_new_mount+0x228/0x810 [ 273.160527][ T4559] path_mount+0x5b4/0x1000 [ 273.161172][ T4559] __arm64_sys_mount+0x514/0x5e4 [ 273.161886][ T4559] invoke_syscall+0x98/0x2b8 [ 273.162607][ T4559] el0_svc_common+0x138/0x258 [ 273.163291][ T4559] do_el0_svc+0x58/0x14c [ 273.163986][ T4559] el0_svc+0x78/0x1e0 [ 273.164554][ T4559] el0t_64_sync_handler+0xcc/0xe4 [ 273.165206][ T4559] el0t_64_sync+0x1a0/0x1a4 [ 273.171669][ T4559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 273.173647][ T4559] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 273.509184][ T4561] loop1: detected capacity change from 0 to 32768 [ 273.559103][ T4561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 273.560151][ T4561] CPU: 1 PID: 4561 Comm: syz.1.333 Not tainted 5.15.189-syzkaller #0 [ 273.561267][ T4561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 273.562740][ T4561] Call trace: [ 273.563264][ T4561] dump_backtrace+0x0/0x43c [ 273.564033][ T4561] show_stack+0x2c/0x3c [ 273.564518][ T4561] __dump_stack+0x30/0x40 [ 273.565117][ T4561] dump_stack_lvl+0xf8/0x160 [ 273.565854][ T4561] dump_stack+0x1c/0x5c [ 273.566570][ T4561] sysfs_create_dir_ns+0x22c/0x24c [ 273.567473][ T4561] kobject_add_internal+0x590/0xc54 [ 273.568260][ T4561] kobject_init_and_add+0x118/0x17c [ 273.569135][ T4561] gfs2_sys_fs_add+0x1dc/0x3d8 [ 273.570010][ T4561] gfs2_fill_super+0xdac/0x19e0 [ 273.570760][ T4561] get_tree_bdev+0x358/0x544 [ 273.571545][ T4561] gfs2_get_tree+0x54/0x1b4 [ 273.572188][ T4561] vfs_get_tree+0x90/0x274 [ 273.572848][ T4561] do_new_mount+0x228/0x810 [ 273.573543][ T4561] path_mount+0x5b4/0x1000 [ 273.574208][ T4561] __arm64_sys_mount+0x514/0x5e4 [ 273.575025][ T4561] invoke_syscall+0x98/0x2b8 [ 273.575754][ T4561] el0_svc_common+0x138/0x258 [ 273.576497][ T4561] do_el0_svc+0x58/0x14c [ 273.577145][ T4561] el0_svc+0x78/0x1e0 [ 273.577766][ T4561] el0t_64_sync_handler+0xcc/0xe4 [ 273.578578][ T4561] el0t_64_sync+0x1a0/0x1a4 [ 273.581274][ T4561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 273.583152][ T4561] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 273.851114][ T4562] loop1: detected capacity change from 0 to 32768 [ 273.888136][ T4562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 273.889303][ T4562] CPU: 1 PID: 4562 Comm: syz.1.334 Not tainted 5.15.189-syzkaller #0 [ 273.890309][ T4562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 273.891759][ T4562] Call trace: [ 273.892127][ T4562] dump_backtrace+0x0/0x43c [ 273.892798][ T4562] show_stack+0x2c/0x3c [ 273.893439][ T4562] __dump_stack+0x30/0x40 [ 273.894174][ T4562] dump_stack_lvl+0xf8/0x160 [ 273.894831][ T4562] dump_stack+0x1c/0x5c [ 273.895323][ T4562] sysfs_create_dir_ns+0x22c/0x24c [ 273.896165][ T4562] kobject_add_internal+0x590/0xc54 [ 273.896966][ T4562] kobject_init_and_add+0x118/0x17c [ 273.897773][ T4562] gfs2_sys_fs_add+0x1dc/0x3d8 [ 273.898531][ T4562] gfs2_fill_super+0xdac/0x19e0 [ 273.899322][ T4562] get_tree_bdev+0x358/0x544 [ 273.900136][ T4562] gfs2_get_tree+0x54/0x1b4 [ 273.900835][ T4562] vfs_get_tree+0x90/0x274 [ 273.901440][ T4562] do_new_mount+0x228/0x810 [ 273.902144][ T4562] path_mount+0x5b4/0x1000 [ 273.902866][ T4562] __arm64_sys_mount+0x514/0x5e4 [ 273.903748][ T4562] invoke_syscall+0x98/0x2b8 [ 273.904408][ T4562] el0_svc_common+0x138/0x258 [ 273.905140][ T4562] do_el0_svc+0x58/0x14c [ 273.905738][ T4562] el0_svc+0x78/0x1e0 [ 273.906329][ T4562] el0t_64_sync_handler+0xcc/0xe4 [ 273.907176][ T4562] el0t_64_sync+0x1a0/0x1a4 [ 273.909919][ T4562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 273.911757][ T4562] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 274.183030][ T4564] loop1: detected capacity change from 0 to 32768 [ 274.227307][ T4564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 274.228439][ T4564] CPU: 1 PID: 4564 Comm: syz.1.335 Not tainted 5.15.189-syzkaller #0 [ 274.229648][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 274.231050][ T4564] Call trace: [ 274.231596][ T4564] dump_backtrace+0x0/0x43c [ 274.232357][ T4564] show_stack+0x2c/0x3c [ 274.233036][ T4564] __dump_stack+0x30/0x40 [ 274.233726][ T4564] dump_stack_lvl+0xf8/0x160 [ 274.234458][ T4564] dump_stack+0x1c/0x5c [ 274.235219][ T4564] sysfs_create_dir_ns+0x22c/0x24c [ 274.235983][ T4564] kobject_add_internal+0x590/0xc54 [ 274.236836][ T4564] kobject_init_and_add+0x118/0x17c [ 274.237698][ T4564] gfs2_sys_fs_add+0x1dc/0x3d8 [ 274.238439][ T4564] gfs2_fill_super+0xdac/0x19e0 [ 274.239194][ T4564] get_tree_bdev+0x358/0x544 [ 274.239913][ T4564] gfs2_get_tree+0x54/0x1b4 [ 274.240601][ T4564] vfs_get_tree+0x90/0x274 [ 274.241260][ T4564] do_new_mount+0x228/0x810 [ 274.242011][ T4564] path_mount+0x5b4/0x1000 [ 274.242794][ T4564] __arm64_sys_mount+0x514/0x5e4 [ 274.243578][ T4564] invoke_syscall+0x98/0x2b8 [ 274.244406][ T4564] el0_svc_common+0x138/0x258 [ 274.245181][ T4564] do_el0_svc+0x58/0x14c [ 274.245884][ T4564] el0_svc+0x78/0x1e0 [ 274.246423][ T4564] el0t_64_sync_handler+0xcc/0xe4 [ 274.247146][ T4564] el0t_64_sync+0x1a0/0x1a4 [ 274.250027][ T4564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 274.252034][ T4564] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 274.526764][ T4566] loop1: detected capacity change from 0 to 32768 [ 274.584808][ T4566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 274.586052][ T4566] CPU: 1 PID: 4566 Comm: syz.1.336 Not tainted 5.15.189-syzkaller #0 [ 274.587414][ T4566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 274.589005][ T4566] Call trace: [ 274.589492][ T4566] dump_backtrace+0x0/0x43c [ 274.590169][ T4566] show_stack+0x2c/0x3c [ 274.590754][ T4566] __dump_stack+0x30/0x40 [ 274.591397][ T4566] dump_stack_lvl+0xf8/0x160 [ 274.592166][ T4566] dump_stack+0x1c/0x5c [ 274.592702][ T4566] sysfs_create_dir_ns+0x22c/0x24c [ 274.593559][ T4566] kobject_add_internal+0x590/0xc54 [ 274.594250][ T4566] kobject_init_and_add+0x118/0x17c [ 274.595093][ T4566] gfs2_sys_fs_add+0x1dc/0x3d8 [ 274.595804][ T4566] gfs2_fill_super+0xdac/0x19e0 [ 274.596491][ T4566] get_tree_bdev+0x358/0x544 [ 274.597254][ T4566] gfs2_get_tree+0x54/0x1b4 [ 274.597894][ T4566] vfs_get_tree+0x90/0x274 [ 274.598681][ T4566] do_new_mount+0x228/0x810 [ 274.599316][ T4566] path_mount+0x5b4/0x1000 [ 274.600045][ T4566] __arm64_sys_mount+0x514/0x5e4 [ 274.601053][ T4566] invoke_syscall+0x98/0x2b8 [ 274.601882][ T4566] el0_svc_common+0x138/0x258 [ 274.602572][ T4566] do_el0_svc+0x58/0x14c [ 274.603160][ T4566] el0_svc+0x78/0x1e0 [ 274.603736][ T4566] el0t_64_sync_handler+0xcc/0xe4 [ 274.604517][ T4566] el0t_64_sync+0x1a0/0x1a4 [ 274.609602][ T4566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 274.611487][ T4566] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 274.957295][ T4567] loop1: detected capacity change from 0 to 32768 [ 274.960853][ T4567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 274.961994][ T4567] CPU: 0 PID: 4567 Comm: syz.1.337 Not tainted 5.15.189-syzkaller #0 [ 274.963150][ T4567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 274.964754][ T4567] Call trace: [ 274.965289][ T4567] dump_backtrace+0x0/0x43c [ 274.966000][ T4567] show_stack+0x2c/0x3c [ 274.966653][ T4567] __dump_stack+0x30/0x40 [ 274.967291][ T4567] dump_stack_lvl+0xf8/0x160 [ 274.967974][ T4567] dump_stack+0x1c/0x5c [ 274.968713][ T4567] sysfs_create_dir_ns+0x22c/0x24c [ 274.969456][ T4567] kobject_add_internal+0x590/0xc54 [ 274.970221][ T4567] kobject_init_and_add+0x118/0x17c [ 274.971064][ T4567] gfs2_sys_fs_add+0x1dc/0x3d8 [ 274.971735][ T4567] gfs2_fill_super+0xdac/0x19e0 [ 274.972506][ T4567] get_tree_bdev+0x358/0x544 [ 274.973328][ T4567] gfs2_get_tree+0x54/0x1b4 [ 274.973988][ T4567] vfs_get_tree+0x90/0x274 [ 274.974681][ T4567] do_new_mount+0x228/0x810 [ 274.975291][ T4567] path_mount+0x5b4/0x1000 [ 274.976014][ T4567] __arm64_sys_mount+0x514/0x5e4 [ 274.976795][ T4567] invoke_syscall+0x98/0x2b8 [ 274.977528][ T4567] el0_svc_common+0x138/0x258 [ 274.978254][ T4567] do_el0_svc+0x58/0x14c [ 274.978825][ T4567] el0_svc+0x78/0x1e0 [ 274.979457][ T4567] el0t_64_sync_handler+0xcc/0xe4 [ 274.980285][ T4567] el0t_64_sync+0x1a0/0x1a4 [ 274.982723][ T4567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 274.984682][ T4567] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 275.256975][ T4568] loop1: detected capacity change from 0 to 32768 [ 275.269064][ T4568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 275.270261][ T4568] CPU: 1 PID: 4568 Comm: syz.1.338 Not tainted 5.15.189-syzkaller #0 [ 275.271475][ T4568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 275.272806][ T4568] Call trace: [ 275.273246][ T4568] dump_backtrace+0x0/0x43c [ 275.274001][ T4568] show_stack+0x2c/0x3c [ 275.274578][ T4568] __dump_stack+0x30/0x40 [ 275.275208][ T4568] dump_stack_lvl+0xf8/0x160 [ 275.275844][ T4568] dump_stack+0x1c/0x5c [ 275.276495][ T4568] sysfs_create_dir_ns+0x22c/0x24c [ 275.277319][ T4568] kobject_add_internal+0x590/0xc54 [ 275.278089][ T4568] kobject_init_and_add+0x118/0x17c [ 275.278919][ T4568] gfs2_sys_fs_add+0x1dc/0x3d8 [ 275.279599][ T4568] gfs2_fill_super+0xdac/0x19e0 [ 275.280461][ T4568] get_tree_bdev+0x358/0x544 [ 275.281207][ T4568] gfs2_get_tree+0x54/0x1b4 [ 275.281937][ T4568] vfs_get_tree+0x90/0x274 [ 275.282506][ T4568] do_new_mount+0x228/0x810 [ 275.283180][ T4568] path_mount+0x5b4/0x1000 [ 275.283844][ T4568] __arm64_sys_mount+0x514/0x5e4 [ 275.284485][ T4568] invoke_syscall+0x98/0x2b8 [ 275.285112][ T4568] el0_svc_common+0x138/0x258 [ 275.285791][ T4568] do_el0_svc+0x58/0x14c [ 275.286385][ T4568] el0_svc+0x78/0x1e0 [ 275.287043][ T4568] el0t_64_sync_handler+0xcc/0xe4 [ 275.287847][ T4568] el0t_64_sync+0x1a0/0x1a4 [ 275.291387][ T4568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 275.293103][ T4568] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 275.557904][ T4569] loop1: detected capacity change from 0 to 32768 [ 275.597443][ T4569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 275.605518][ T4569] CPU: 1 PID: 4569 Comm: syz.1.339 Not tainted 5.15.189-syzkaller #0 [ 275.606765][ T4569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 275.608108][ T4569] Call trace: [ 275.608542][ T4569] dump_backtrace+0x0/0x43c [ 275.609227][ T4569] show_stack+0x2c/0x3c [ 275.609793][ T4569] __dump_stack+0x30/0x40 [ 275.610443][ T4569] dump_stack_lvl+0xf8/0x160 [ 275.611122][ T4569] dump_stack+0x1c/0x5c [ 275.611721][ T4569] sysfs_create_dir_ns+0x22c/0x24c [ 275.612536][ T4569] kobject_add_internal+0x590/0xc54 [ 275.613365][ T4569] kobject_init_and_add+0x118/0x17c [ 275.614030][ T4569] gfs2_sys_fs_add+0x1dc/0x3d8 [ 275.614652][ T4569] gfs2_fill_super+0xdac/0x19e0 [ 275.615263][ T4569] get_tree_bdev+0x358/0x544 [ 275.615885][ T4569] gfs2_get_tree+0x54/0x1b4 [ 275.616596][ T4569] vfs_get_tree+0x90/0x274 [ 275.617381][ T4569] do_new_mount+0x228/0x810 [ 275.618008][ T4569] path_mount+0x5b4/0x1000 [ 275.618700][ T4569] __arm64_sys_mount+0x514/0x5e4 [ 275.619463][ T4569] invoke_syscall+0x98/0x2b8 [ 275.620190][ T4569] el0_svc_common+0x138/0x258 [ 275.620834][ T4569] do_el0_svc+0x58/0x14c [ 275.621531][ T4569] el0_svc+0x78/0x1e0 [ 275.622204][ T4569] el0t_64_sync_handler+0xcc/0xe4 [ 275.622917][ T4569] el0t_64_sync+0x1a0/0x1a4 [ 275.625627][ T4569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 275.627321][ T4569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 275.891160][ T4571] loop1: detected capacity change from 0 to 32768 [ 275.932558][ T4571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 275.933643][ T4571] CPU: 1 PID: 4571 Comm: syz.1.340 Not tainted 5.15.189-syzkaller #0 [ 275.934744][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 275.936303][ T4571] Call trace: [ 275.936828][ T4571] dump_backtrace+0x0/0x43c [ 275.937539][ T4571] show_stack+0x2c/0x3c [ 275.938194][ T4571] __dump_stack+0x30/0x40 [ 275.938900][ T4571] dump_stack_lvl+0xf8/0x160 [ 275.939578][ T4571] dump_stack+0x1c/0x5c [ 275.940193][ T4571] sysfs_create_dir_ns+0x22c/0x24c [ 275.940972][ T4571] kobject_add_internal+0x590/0xc54 [ 275.941672][ T4571] kobject_init_and_add+0x118/0x17c [ 275.942514][ T4571] gfs2_sys_fs_add+0x1dc/0x3d8 [ 275.943371][ T4571] gfs2_fill_super+0xdac/0x19e0 [ 275.944056][ T4571] get_tree_bdev+0x358/0x544 [ 275.944663][ T4571] gfs2_get_tree+0x54/0x1b4 [ 275.945272][ T4571] vfs_get_tree+0x90/0x274 [ 275.945872][ T4571] do_new_mount+0x228/0x810 [ 275.946706][ T4571] path_mount+0x5b4/0x1000 [ 275.947408][ T4571] __arm64_sys_mount+0x514/0x5e4 [ 275.948208][ T4571] invoke_syscall+0x98/0x2b8 [ 275.948951][ T4571] el0_svc_common+0x138/0x258 [ 275.949636][ T4571] do_el0_svc+0x58/0x14c [ 275.950256][ T4571] el0_svc+0x78/0x1e0 [ 275.950893][ T4571] el0t_64_sync_handler+0xcc/0xe4 [ 275.951575][ T4571] el0t_64_sync+0x1a0/0x1a4 [ 275.960328][ T4571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 275.962182][ T4571] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:35 executed programs: 326 [ 276.277488][ T4572] loop1: detected capacity change from 0 to 32768 [ 276.291135][ T4572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 276.292259][ T4572] CPU: 1 PID: 4572 Comm: syz.1.341 Not tainted 5.15.189-syzkaller #0 [ 276.293440][ T4572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 276.294824][ T4572] Call trace: [ 276.295292][ T4572] dump_backtrace+0x0/0x43c [ 276.295865][ T4572] show_stack+0x2c/0x3c [ 276.296521][ T4572] __dump_stack+0x30/0x40 [ 276.297265][ T4572] dump_stack_lvl+0xf8/0x160 [ 276.298024][ T4572] dump_stack+0x1c/0x5c [ 276.298670][ T4572] sysfs_create_dir_ns+0x22c/0x24c [ 276.299496][ T4572] kobject_add_internal+0x590/0xc54 [ 276.300363][ T4572] kobject_init_and_add+0x118/0x17c [ 276.301114][ T4572] gfs2_sys_fs_add+0x1dc/0x3d8 [ 276.301837][ T4572] gfs2_fill_super+0xdac/0x19e0 [ 276.302541][ T4572] get_tree_bdev+0x358/0x544 [ 276.303238][ T4572] gfs2_get_tree+0x54/0x1b4 [ 276.303882][ T4572] vfs_get_tree+0x90/0x274 [ 276.304583][ T4572] do_new_mount+0x228/0x810 [ 276.305215][ T4572] path_mount+0x5b4/0x1000 [ 276.305917][ T4572] __arm64_sys_mount+0x514/0x5e4 [ 276.306628][ T4572] invoke_syscall+0x98/0x2b8 [ 276.307310][ T4572] el0_svc_common+0x138/0x258 [ 276.308081][ T4572] do_el0_svc+0x58/0x14c [ 276.308779][ T4572] el0_svc+0x78/0x1e0 [ 276.309451][ T4572] el0t_64_sync_handler+0xcc/0xe4 [ 276.310266][ T4572] el0t_64_sync+0x1a0/0x1a4 [ 276.311676][ T4572] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 276.313443][ T4572] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 276.587092][ T4573] loop1: detected capacity change from 0 to 32768 [ 276.637320][ T4573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 276.638365][ T4573] CPU: 1 PID: 4573 Comm: syz.1.342 Not tainted 5.15.189-syzkaller #0 [ 276.639567][ T4573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 276.640985][ T4573] Call trace: [ 276.641434][ T4573] dump_backtrace+0x0/0x43c [ 276.642053][ T4573] show_stack+0x2c/0x3c [ 276.642765][ T4573] __dump_stack+0x30/0x40 [ 276.643323][ T4573] dump_stack_lvl+0xf8/0x160 [ 276.644052][ T4573] dump_stack+0x1c/0x5c [ 276.644593][ T4573] sysfs_create_dir_ns+0x22c/0x24c [ 276.645353][ T4573] kobject_add_internal+0x590/0xc54 [ 276.646207][ T4573] kobject_init_and_add+0x118/0x17c [ 276.647010][ T4573] gfs2_sys_fs_add+0x1dc/0x3d8 [ 276.647697][ T4573] gfs2_fill_super+0xdac/0x19e0 [ 276.648511][ T4573] get_tree_bdev+0x358/0x544 [ 276.649165][ T4573] gfs2_get_tree+0x54/0x1b4 [ 276.649758][ T4573] vfs_get_tree+0x90/0x274 [ 276.650438][ T4573] do_new_mount+0x228/0x810 [ 276.651141][ T4573] path_mount+0x5b4/0x1000 [ 276.651781][ T4573] __arm64_sys_mount+0x514/0x5e4 [ 276.652583][ T4573] invoke_syscall+0x98/0x2b8 [ 276.653339][ T4573] el0_svc_common+0x138/0x258 [ 276.654152][ T4573] do_el0_svc+0x58/0x14c [ 276.654760][ T4573] el0_svc+0x78/0x1e0 [ 276.655323][ T4573] el0t_64_sync_handler+0xcc/0xe4 [ 276.656002][ T4573] el0t_64_sync+0x1a0/0x1a4 [ 276.659142][ T4573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 276.661200][ T4573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 276.936861][ T4574] loop1: detected capacity change from 0 to 32768 [ 276.992202][ T4574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 276.993237][ T4574] CPU: 0 PID: 4574 Comm: syz.1.343 Not tainted 5.15.189-syzkaller #0 [ 276.994467][ T4574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 276.995948][ T4574] Call trace: [ 276.996436][ T4574] dump_backtrace+0x0/0x43c [ 276.997120][ T4574] show_stack+0x2c/0x3c [ 276.997758][ T4574] __dump_stack+0x30/0x40 [ 276.998532][ T4574] dump_stack_lvl+0xf8/0x160 [ 276.999253][ T4574] dump_stack+0x1c/0x5c [ 276.999926][ T4574] sysfs_create_dir_ns+0x22c/0x24c [ 277.000649][ T4574] kobject_add_internal+0x590/0xc54 [ 277.001554][ T4574] kobject_init_and_add+0x118/0x17c [ 277.002321][ T4574] gfs2_sys_fs_add+0x1dc/0x3d8 [ 277.003052][ T4574] gfs2_fill_super+0xdac/0x19e0 [ 277.003728][ T4574] get_tree_bdev+0x358/0x544 [ 277.004424][ T4574] gfs2_get_tree+0x54/0x1b4 [ 277.005087][ T4574] vfs_get_tree+0x90/0x274 [ 277.005794][ T4574] do_new_mount+0x228/0x810 [ 277.006557][ T4574] path_mount+0x5b4/0x1000 [ 277.007287][ T4574] __arm64_sys_mount+0x514/0x5e4 [ 277.007958][ T4574] invoke_syscall+0x98/0x2b8 [ 277.008884][ T4574] el0_svc_common+0x138/0x258 [ 277.009580][ T4574] do_el0_svc+0x58/0x14c [ 277.010209][ T4574] el0_svc+0x78/0x1e0 [ 277.010849][ T4574] el0t_64_sync_handler+0xcc/0xe4 [ 277.011705][ T4574] el0t_64_sync+0x1a0/0x1a4 [ 277.012691][ T4574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 277.014671][ T4574] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 277.292655][ T4575] loop1: detected capacity change from 0 to 32768 [ 277.333037][ T4575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 277.334260][ T4575] CPU: 0 PID: 4575 Comm: syz.1.344 Not tainted 5.15.189-syzkaller #0 [ 277.335438][ T4575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 277.336858][ T4575] Call trace: [ 277.337325][ T4575] dump_backtrace+0x0/0x43c [ 277.338124][ T4575] show_stack+0x2c/0x3c [ 277.338856][ T4575] __dump_stack+0x30/0x40 [ 277.339610][ T4575] dump_stack_lvl+0xf8/0x160 [ 277.340328][ T4575] dump_stack+0x1c/0x5c [ 277.341040][ T4575] sysfs_create_dir_ns+0x22c/0x24c [ 277.341788][ T4575] kobject_add_internal+0x590/0xc54 [ 277.342540][ T4575] kobject_init_and_add+0x118/0x17c [ 277.343344][ T4575] gfs2_sys_fs_add+0x1dc/0x3d8 [ 277.344036][ T4575] gfs2_fill_super+0xdac/0x19e0 [ 277.344765][ T4575] get_tree_bdev+0x358/0x544 [ 277.345550][ T4575] gfs2_get_tree+0x54/0x1b4 [ 277.346315][ T4575] vfs_get_tree+0x90/0x274 [ 277.346999][ T4575] do_new_mount+0x228/0x810 [ 277.347683][ T4575] path_mount+0x5b4/0x1000 [ 277.348331][ T4575] __arm64_sys_mount+0x514/0x5e4 [ 277.349026][ T4575] invoke_syscall+0x98/0x2b8 [ 277.349719][ T4575] el0_svc_common+0x138/0x258 [ 277.350364][ T4575] do_el0_svc+0x58/0x14c [ 277.351170][ T4575] el0_svc+0x78/0x1e0 [ 277.351889][ T4575] el0t_64_sync_handler+0xcc/0xe4 [ 277.352655][ T4575] el0t_64_sync+0x1a0/0x1a4 [ 277.354906][ T4575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 277.356928][ T4575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 277.623832][ T4576] loop1: detected capacity change from 0 to 32768 [ 277.659412][ T4576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 277.660569][ T4576] CPU: 0 PID: 4576 Comm: syz.1.345 Not tainted 5.15.189-syzkaller #0 [ 277.661698][ T4576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 277.663254][ T4576] Call trace: [ 277.663839][ T4576] dump_backtrace+0x0/0x43c [ 277.664492][ T4576] show_stack+0x2c/0x3c [ 277.665089][ T4576] __dump_stack+0x30/0x40 [ 277.665738][ T4576] dump_stack_lvl+0xf8/0x160 [ 277.666470][ T4576] dump_stack+0x1c/0x5c [ 277.667178][ T4576] sysfs_create_dir_ns+0x22c/0x24c [ 277.667912][ T4576] kobject_add_internal+0x590/0xc54 [ 277.668690][ T4576] kobject_init_and_add+0x118/0x17c [ 277.669529][ T4576] gfs2_sys_fs_add+0x1dc/0x3d8 [ 277.670126][ T4576] gfs2_fill_super+0xdac/0x19e0 [ 277.670852][ T4576] get_tree_bdev+0x358/0x544 [ 277.671520][ T4576] gfs2_get_tree+0x54/0x1b4 [ 277.672259][ T4576] vfs_get_tree+0x90/0x274 [ 277.672929][ T4576] do_new_mount+0x228/0x810 [ 277.673632][ T4576] path_mount+0x5b4/0x1000 [ 277.674328][ T4576] __arm64_sys_mount+0x514/0x5e4 [ 277.675008][ T4576] invoke_syscall+0x98/0x2b8 [ 277.675692][ T4576] el0_svc_common+0x138/0x258 [ 277.676429][ T4576] do_el0_svc+0x58/0x14c [ 277.677017][ T4576] el0_svc+0x78/0x1e0 [ 277.677825][ T4576] el0t_64_sync_handler+0xcc/0xe4 [ 277.678619][ T4576] el0t_64_sync+0x1a0/0x1a4 [ 277.684066][ T4576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 277.686189][ T4576] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 277.956603][ T4577] loop1: detected capacity change from 0 to 32768 [ 278.010495][ T4577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 278.011653][ T4577] CPU: 1 PID: 4577 Comm: syz.1.346 Not tainted 5.15.189-syzkaller #0 [ 278.012866][ T4577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 278.014201][ T4577] Call trace: [ 278.014669][ T4577] dump_backtrace+0x0/0x43c [ 278.015287][ T4577] show_stack+0x2c/0x3c [ 278.015866][ T4577] __dump_stack+0x30/0x40 [ 278.016513][ T4577] dump_stack_lvl+0xf8/0x160 [ 278.017185][ T4577] dump_stack+0x1c/0x5c [ 278.017803][ T4577] sysfs_create_dir_ns+0x22c/0x24c [ 278.018542][ T4577] kobject_add_internal+0x590/0xc54 [ 278.019291][ T4577] kobject_init_and_add+0x118/0x17c [ 278.020053][ T4577] gfs2_sys_fs_add+0x1dc/0x3d8 [ 278.020807][ T4577] gfs2_fill_super+0xdac/0x19e0 [ 278.021564][ T4577] get_tree_bdev+0x358/0x544 [ 278.022185][ T4577] gfs2_get_tree+0x54/0x1b4 [ 278.022894][ T4577] vfs_get_tree+0x90/0x274 [ 278.023487][ T4577] do_new_mount+0x228/0x810 [ 278.024177][ T4577] path_mount+0x5b4/0x1000 [ 278.024854][ T4577] __arm64_sys_mount+0x514/0x5e4 [ 278.025639][ T4577] invoke_syscall+0x98/0x2b8 [ 278.026331][ T4577] el0_svc_common+0x138/0x258 [ 278.026926][ T4577] do_el0_svc+0x58/0x14c [ 278.027694][ T4577] el0_svc+0x78/0x1e0 [ 278.028412][ T4577] el0t_64_sync_handler+0xcc/0xe4 [ 278.029279][ T4577] el0t_64_sync+0x1a0/0x1a4 [ 278.031656][ T4577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 278.033533][ T4577] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 278.307887][ T4578] loop1: detected capacity change from 0 to 32768 [ 278.356423][ T4578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 278.357488][ T4578] CPU: 1 PID: 4578 Comm: syz.1.347 Not tainted 5.15.189-syzkaller #0 [ 278.358635][ T4578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 278.360219][ T4578] Call trace: [ 278.360779][ T4578] dump_backtrace+0x0/0x43c [ 278.361540][ T4578] show_stack+0x2c/0x3c [ 278.362216][ T4578] __dump_stack+0x30/0x40 [ 278.362876][ T4578] dump_stack_lvl+0xf8/0x160 [ 278.363525][ T4578] dump_stack+0x1c/0x5c [ 278.364145][ T4578] sysfs_create_dir_ns+0x22c/0x24c [ 278.364975][ T4578] kobject_add_internal+0x590/0xc54 [ 278.365727][ T4578] kobject_init_and_add+0x118/0x17c [ 278.366547][ T4578] gfs2_sys_fs_add+0x1dc/0x3d8 [ 278.367381][ T4578] gfs2_fill_super+0xdac/0x19e0 [ 278.368120][ T4578] get_tree_bdev+0x358/0x544 [ 278.368792][ T4578] gfs2_get_tree+0x54/0x1b4 [ 278.369427][ T4578] vfs_get_tree+0x90/0x274 [ 278.370070][ T4578] do_new_mount+0x228/0x810 [ 278.370809][ T4578] path_mount+0x5b4/0x1000 [ 278.371521][ T4578] __arm64_sys_mount+0x514/0x5e4 [ 278.372165][ T4578] invoke_syscall+0x98/0x2b8 [ 278.372875][ T4578] el0_svc_common+0x138/0x258 [ 278.373718][ T4578] do_el0_svc+0x58/0x14c [ 278.374424][ T4578] el0_svc+0x78/0x1e0 [ 278.375115][ T4578] el0t_64_sync_handler+0xcc/0xe4 [ 278.375957][ T4578] el0t_64_sync+0x1a0/0x1a4 [ 278.380172][ T4578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 278.382248][ T4578] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 278.655030][ T4579] loop1: detected capacity change from 0 to 32768 [ 278.760213][ T4579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 278.761287][ T4579] CPU: 0 PID: 4579 Comm: syz.1.348 Not tainted 5.15.189-syzkaller #0 [ 278.762386][ T4579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 278.763730][ T4579] Call trace: [ 278.764160][ T4579] dump_backtrace+0x0/0x43c [ 278.764849][ T4579] show_stack+0x2c/0x3c [ 278.765437][ T4579] __dump_stack+0x30/0x40 [ 278.766240][ T4579] dump_stack_lvl+0xf8/0x160 [ 278.767000][ T4579] dump_stack+0x1c/0x5c [ 278.767560][ T4579] sysfs_create_dir_ns+0x22c/0x24c [ 278.768335][ T4579] kobject_add_internal+0x590/0xc54 [ 278.769099][ T4579] kobject_init_and_add+0x118/0x17c [ 278.769926][ T4579] gfs2_sys_fs_add+0x1dc/0x3d8 [ 278.770691][ T4579] gfs2_fill_super+0xdac/0x19e0 [ 278.771447][ T4579] get_tree_bdev+0x358/0x544 [ 278.772187][ T4579] gfs2_get_tree+0x54/0x1b4 [ 278.772851][ T4579] vfs_get_tree+0x90/0x274 [ 278.773530][ T4579] do_new_mount+0x228/0x810 [ 278.774212][ T4579] path_mount+0x5b4/0x1000 [ 278.774952][ T4579] __arm64_sys_mount+0x514/0x5e4 [ 278.775659][ T4579] invoke_syscall+0x98/0x2b8 [ 278.776373][ T4579] el0_svc_common+0x138/0x258 [ 278.777150][ T4579] do_el0_svc+0x58/0x14c [ 278.777845][ T4579] el0_svc+0x78/0x1e0 [ 278.778463][ T4579] el0t_64_sync_handler+0xcc/0xe4 [ 278.779193][ T4579] el0t_64_sync+0x1a0/0x1a4 [ 278.782862][ T4579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 278.785249][ T4579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 279.058791][ T4580] loop1: detected capacity change from 0 to 32768 [ 279.134060][ T4580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 279.135134][ T4580] CPU: 1 PID: 4580 Comm: syz.1.349 Not tainted 5.15.189-syzkaller #0 [ 279.136442][ T4580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 279.137874][ T4580] Call trace: [ 279.138391][ T4580] dump_backtrace+0x0/0x43c [ 279.139080][ T4580] show_stack+0x2c/0x3c [ 279.139635][ T4580] __dump_stack+0x30/0x40 [ 279.140309][ T4580] dump_stack_lvl+0xf8/0x160 [ 279.140929][ T4580] dump_stack+0x1c/0x5c [ 279.141633][ T4580] sysfs_create_dir_ns+0x22c/0x24c [ 279.142558][ T4580] kobject_add_internal+0x590/0xc54 [ 279.143340][ T4580] kobject_init_and_add+0x118/0x17c [ 279.144120][ T4580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 279.144906][ T4580] gfs2_fill_super+0xdac/0x19e0 [ 279.145550][ T4580] get_tree_bdev+0x358/0x544 [ 279.146104][ T4580] gfs2_get_tree+0x54/0x1b4 [ 279.146761][ T4580] vfs_get_tree+0x90/0x274 [ 279.147439][ T4580] do_new_mount+0x228/0x810 [ 279.148090][ T4580] path_mount+0x5b4/0x1000 [ 279.148792][ T4580] __arm64_sys_mount+0x514/0x5e4 [ 279.149491][ T4580] invoke_syscall+0x98/0x2b8 [ 279.150169][ T4580] el0_svc_common+0x138/0x258 [ 279.150881][ T4580] do_el0_svc+0x58/0x14c [ 279.151434][ T4580] el0_svc+0x78/0x1e0 [ 279.152059][ T4580] el0t_64_sync_handler+0xcc/0xe4 [ 279.152831][ T4580] el0t_64_sync+0x1a0/0x1a4 [ 279.155661][ T4580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 279.157511][ T4580] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 279.429928][ T4581] loop1: detected capacity change from 0 to 32768 [ 279.515020][ T4581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 279.518372][ T4581] CPU: 0 PID: 4581 Comm: syz.1.350 Not tainted 5.15.189-syzkaller #0 [ 279.519554][ T4581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 279.520982][ T4581] Call trace: [ 279.521440][ T4581] dump_backtrace+0x0/0x43c [ 279.522126][ T4581] show_stack+0x2c/0x3c [ 279.522722][ T4581] __dump_stack+0x30/0x40 [ 279.523304][ T4581] dump_stack_lvl+0xf8/0x160 [ 279.524123][ T4581] dump_stack+0x1c/0x5c [ 279.524698][ T4581] sysfs_create_dir_ns+0x22c/0x24c [ 279.525475][ T4581] kobject_add_internal+0x590/0xc54 [ 279.526281][ T4581] kobject_init_and_add+0x118/0x17c [ 279.527085][ T4581] gfs2_sys_fs_add+0x1dc/0x3d8 [ 279.527888][ T4581] gfs2_fill_super+0xdac/0x19e0 [ 279.528659][ T4581] get_tree_bdev+0x358/0x544 [ 279.529402][ T4581] gfs2_get_tree+0x54/0x1b4 [ 279.530028][ T4581] vfs_get_tree+0x90/0x274 [ 279.530701][ T4581] do_new_mount+0x228/0x810 [ 279.531384][ T4581] path_mount+0x5b4/0x1000 [ 279.532162][ T4581] __arm64_sys_mount+0x514/0x5e4 [ 279.532862][ T4581] invoke_syscall+0x98/0x2b8 [ 279.533645][ T4581] el0_svc_common+0x138/0x258 [ 279.534299][ T4581] do_el0_svc+0x58/0x14c [ 279.534954][ T4581] el0_svc+0x78/0x1e0 [ 279.535509][ T4581] el0t_64_sync_handler+0xcc/0xe4 [ 279.536326][ T4581] el0t_64_sync+0x1a0/0x1a4 [ 279.539228][ T4581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 279.541008][ T4581] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 279.812109][ T4582] loop1: detected capacity change from 0 to 32768 [ 279.851080][ T4582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 279.852861][ T4582] CPU: 0 PID: 4582 Comm: syz.1.351 Not tainted 5.15.189-syzkaller #0 [ 279.854045][ T4582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 279.855521][ T4582] Call trace: [ 279.856043][ T4582] dump_backtrace+0x0/0x43c [ 279.856791][ T4582] show_stack+0x2c/0x3c [ 279.857432][ T4582] __dump_stack+0x30/0x40 [ 279.858157][ T4582] dump_stack_lvl+0xf8/0x160 [ 279.858829][ T4582] dump_stack+0x1c/0x5c [ 279.859387][ T4582] sysfs_create_dir_ns+0x22c/0x24c [ 279.860228][ T4582] kobject_add_internal+0x590/0xc54 [ 279.860992][ T4582] kobject_init_and_add+0x118/0x17c [ 279.861861][ T4582] gfs2_sys_fs_add+0x1dc/0x3d8 [ 279.862475][ T4582] gfs2_fill_super+0xdac/0x19e0 [ 279.863319][ T4582] get_tree_bdev+0x358/0x544 [ 279.864056][ T4582] gfs2_get_tree+0x54/0x1b4 [ 279.864691][ T4582] vfs_get_tree+0x90/0x274 [ 279.865336][ T4582] do_new_mount+0x228/0x810 [ 279.866018][ T4582] path_mount+0x5b4/0x1000 [ 279.866737][ T4582] __arm64_sys_mount+0x514/0x5e4 [ 279.867601][ T4582] invoke_syscall+0x98/0x2b8 [ 279.868322][ T4582] el0_svc_common+0x138/0x258 [ 279.869074][ T4582] do_el0_svc+0x58/0x14c [ 279.869712][ T4582] el0_svc+0x78/0x1e0 [ 279.870312][ T4582] el0t_64_sync_handler+0xcc/0xe4 [ 279.871025][ T4582] el0t_64_sync+0x1a0/0x1a4 [ 279.873787][ T4582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 279.876490][ T4582] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 280.145518][ T4583] loop1: detected capacity change from 0 to 32768 [ 280.191025][ T4583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 280.193162][ T4583] CPU: 0 PID: 4583 Comm: syz.1.352 Not tainted 5.15.189-syzkaller #0 [ 280.194310][ T4583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 280.195726][ T4583] Call trace: [ 280.196281][ T4583] dump_backtrace+0x0/0x43c [ 280.197009][ T4583] show_stack+0x2c/0x3c [ 280.197768][ T4583] __dump_stack+0x30/0x40 [ 280.198460][ T4583] dump_stack_lvl+0xf8/0x160 [ 280.199148][ T4583] dump_stack+0x1c/0x5c [ 280.199807][ T4583] sysfs_create_dir_ns+0x22c/0x24c [ 280.200616][ T4583] kobject_add_internal+0x590/0xc54 [ 280.201381][ T4583] kobject_init_and_add+0x118/0x17c [ 280.202143][ T4583] gfs2_sys_fs_add+0x1dc/0x3d8 [ 280.202896][ T4583] gfs2_fill_super+0xdac/0x19e0 [ 280.203781][ T4583] get_tree_bdev+0x358/0x544 [ 280.204473][ T4583] gfs2_get_tree+0x54/0x1b4 [ 280.205171][ T4583] vfs_get_tree+0x90/0x274 [ 280.205880][ T4583] do_new_mount+0x228/0x810 [ 280.206614][ T4583] path_mount+0x5b4/0x1000 [ 280.207355][ T4583] __arm64_sys_mount+0x514/0x5e4 [ 280.208137][ T4583] invoke_syscall+0x98/0x2b8 [ 280.208833][ T4583] el0_svc_common+0x138/0x258 [ 280.209670][ T4583] do_el0_svc+0x58/0x14c [ 280.210316][ T4583] el0_svc+0x78/0x1e0 [ 280.210996][ T4583] el0t_64_sync_handler+0xcc/0xe4 [ 280.211801][ T4583] el0t_64_sync+0x1a0/0x1a4 [ 280.215273][ T4583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 280.217354][ T4583] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 280.492621][ T4584] loop1: detected capacity change from 0 to 32768 [ 280.515454][ T4584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 280.516444][ T4584] CPU: 1 PID: 4584 Comm: syz.1.353 Not tainted 5.15.189-syzkaller #0 [ 280.517737][ T4584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 280.519036][ T4584] Call trace: [ 280.519662][ T4584] dump_backtrace+0x0/0x43c [ 280.520251][ T4584] show_stack+0x2c/0x3c [ 280.520859][ T4584] __dump_stack+0x30/0x40 [ 280.521459][ T4584] dump_stack_lvl+0xf8/0x160 [ 280.522131][ T4584] dump_stack+0x1c/0x5c [ 280.522693][ T4584] sysfs_create_dir_ns+0x22c/0x24c [ 280.523442][ T4584] kobject_add_internal+0x590/0xc54 [ 280.524072][ T4584] kobject_init_and_add+0x118/0x17c [ 280.524861][ T4584] gfs2_sys_fs_add+0x1dc/0x3d8 [ 280.525512][ T4584] gfs2_fill_super+0xdac/0x19e0 [ 280.526352][ T4584] get_tree_bdev+0x358/0x544 [ 280.527100][ T4584] gfs2_get_tree+0x54/0x1b4 [ 280.527796][ T4584] vfs_get_tree+0x90/0x274 [ 280.528661][ T4584] do_new_mount+0x228/0x810 [ 280.529385][ T4584] path_mount+0x5b4/0x1000 [ 280.529987][ T4584] __arm64_sys_mount+0x514/0x5e4 [ 280.530798][ T4584] invoke_syscall+0x98/0x2b8 [ 280.531504][ T4584] el0_svc_common+0x138/0x258 [ 280.532229][ T4584] do_el0_svc+0x58/0x14c [ 280.532883][ T4584] el0_svc+0x78/0x1e0 [ 280.533501][ T4584] el0t_64_sync_handler+0xcc/0xe4 [ 280.534256][ T4584] el0t_64_sync+0x1a0/0x1a4 [ 280.538386][ T4584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 280.540373][ T4584] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 280.813720][ T4585] loop1: detected capacity change from 0 to 32768 [ 280.847930][ T4585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 280.849179][ T4585] CPU: 1 PID: 4585 Comm: syz.1.354 Not tainted 5.15.189-syzkaller #0 [ 280.850258][ T4585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 280.851890][ T4585] Call trace: [ 280.852417][ T4585] dump_backtrace+0x0/0x43c [ 280.853071][ T4585] show_stack+0x2c/0x3c [ 280.853692][ T4585] __dump_stack+0x30/0x40 [ 280.854328][ T4585] dump_stack_lvl+0xf8/0x160 [ 280.854955][ T4585] dump_stack+0x1c/0x5c [ 280.855555][ T4585] sysfs_create_dir_ns+0x22c/0x24c [ 280.856497][ T4585] kobject_add_internal+0x590/0xc54 [ 280.857384][ T4585] kobject_init_and_add+0x118/0x17c [ 280.858252][ T4585] gfs2_sys_fs_add+0x1dc/0x3d8 [ 280.859076][ T4585] gfs2_fill_super+0xdac/0x19e0 [ 280.859797][ T4585] get_tree_bdev+0x358/0x544 [ 280.860498][ T4585] gfs2_get_tree+0x54/0x1b4 [ 280.861166][ T4585] vfs_get_tree+0x90/0x274 [ 280.861767][ T4585] do_new_mount+0x228/0x810 [ 280.862443][ T4585] path_mount+0x5b4/0x1000 [ 280.863124][ T4585] __arm64_sys_mount+0x514/0x5e4 [ 280.863833][ T4585] invoke_syscall+0x98/0x2b8 [ 280.864573][ T4585] el0_svc_common+0x138/0x258 [ 280.865317][ T4585] do_el0_svc+0x58/0x14c [ 280.866022][ T4585] el0_svc+0x78/0x1e0 [ 280.866612][ T4585] el0t_64_sync_handler+0xcc/0xe4 [ 280.867360][ T4585] el0t_64_sync+0x1a0/0x1a4 [ 280.875006][ T4585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 280.877048][ T4585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 281.157605][ T4586] loop1: detected capacity change from 0 to 32768 [ 281.214560][ T4586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 281.215696][ T4586] CPU: 1 PID: 4586 Comm: syz.1.355 Not tainted 5.15.189-syzkaller #0 [ 281.216976][ T4586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 281.218312][ T4586] Call trace: [ 281.218789][ T4586] dump_backtrace+0x0/0x43c [ 281.219520][ T4586] show_stack+0x2c/0x3c [ 281.220076][ T4586] __dump_stack+0x30/0x40 [ 281.220733][ T4586] dump_stack_lvl+0xf8/0x160 [ 281.221502][ T4586] dump_stack+0x1c/0x5c [ 281.222153][ T4586] sysfs_create_dir_ns+0x22c/0x24c [ 281.222936][ T4586] kobject_add_internal+0x590/0xc54 [ 281.223829][ T4586] kobject_init_and_add+0x118/0x17c [ 281.224648][ T4586] gfs2_sys_fs_add+0x1dc/0x3d8 [ 281.225343][ T4586] gfs2_fill_super+0xdac/0x19e0 [ 281.226067][ T4586] get_tree_bdev+0x358/0x544 [ 281.226808][ T4586] gfs2_get_tree+0x54/0x1b4 [ 281.227543][ T4586] vfs_get_tree+0x90/0x274 [ 281.228277][ T4586] do_new_mount+0x228/0x810 [ 281.228931][ T4586] path_mount+0x5b4/0x1000 [ 281.229673][ T4586] __arm64_sys_mount+0x514/0x5e4 [ 281.230469][ T4586] invoke_syscall+0x98/0x2b8 [ 281.231242][ T4586] el0_svc_common+0x138/0x258 [ 281.231887][ T4586] do_el0_svc+0x58/0x14c [ 281.232526][ T4586] el0_svc+0x78/0x1e0 [ 281.233118][ T4586] el0t_64_sync_handler+0xcc/0xe4 [ 281.233899][ T4586] el0t_64_sync+0x1a0/0x1a4 [ 281.235812][ T4586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 281.237891][ T4586] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:41 executed programs: 341 [ 281.526340][ T4587] loop1: detected capacity change from 0 to 32768 [ 281.585800][ T4587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 281.587074][ T4587] CPU: 0 PID: 4587 Comm: syz.1.356 Not tainted 5.15.189-syzkaller #0 [ 281.588150][ T4587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 281.589644][ T4587] Call trace: [ 281.590141][ T4587] dump_backtrace+0x0/0x43c [ 281.590897][ T4587] show_stack+0x2c/0x3c [ 281.591535][ T4587] __dump_stack+0x30/0x40 [ 281.592147][ T4587] dump_stack_lvl+0xf8/0x160 [ 281.592793][ T4587] dump_stack+0x1c/0x5c [ 281.593437][ T4587] sysfs_create_dir_ns+0x22c/0x24c [ 281.594285][ T4587] kobject_add_internal+0x590/0xc54 [ 281.595063][ T4587] kobject_init_and_add+0x118/0x17c [ 281.595879][ T4587] gfs2_sys_fs_add+0x1dc/0x3d8 [ 281.596566][ T4587] gfs2_fill_super+0xdac/0x19e0 [ 281.597388][ T4587] get_tree_bdev+0x358/0x544 [ 281.598088][ T4587] gfs2_get_tree+0x54/0x1b4 [ 281.598752][ T4587] vfs_get_tree+0x90/0x274 [ 281.599363][ T4587] do_new_mount+0x228/0x810 [ 281.600195][ T4587] path_mount+0x5b4/0x1000 [ 281.600935][ T4587] __arm64_sys_mount+0x514/0x5e4 [ 281.601620][ T4587] invoke_syscall+0x98/0x2b8 [ 281.602369][ T4587] el0_svc_common+0x138/0x258 [ 281.603090][ T4587] do_el0_svc+0x58/0x14c [ 281.603736][ T4587] el0_svc+0x78/0x1e0 [ 281.604403][ T4587] el0t_64_sync_handler+0xcc/0xe4 [ 281.605182][ T4587] el0t_64_sync+0x1a0/0x1a4 [ 281.608117][ T4587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 281.610117][ T4587] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 281.883195][ T4588] loop1: detected capacity change from 0 to 32768 [ 281.942653][ T4588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 281.944450][ T4588] CPU: 0 PID: 4588 Comm: syz.1.357 Not tainted 5.15.189-syzkaller #0 [ 281.945549][ T4588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 281.947196][ T4588] Call trace: [ 281.947710][ T4588] dump_backtrace+0x0/0x43c [ 281.948389][ T4588] show_stack+0x2c/0x3c [ 281.949138][ T4588] __dump_stack+0x30/0x40 [ 281.949763][ T4588] dump_stack_lvl+0xf8/0x160 [ 281.950475][ T4588] dump_stack+0x1c/0x5c [ 281.951099][ T4588] sysfs_create_dir_ns+0x22c/0x24c [ 281.951922][ T4588] kobject_add_internal+0x590/0xc54 [ 281.952730][ T4588] kobject_init_and_add+0x118/0x17c [ 281.953570][ T4588] gfs2_sys_fs_add+0x1dc/0x3d8 [ 281.954294][ T4588] gfs2_fill_super+0xdac/0x19e0 [ 281.955028][ T4588] get_tree_bdev+0x358/0x544 [ 281.955814][ T4588] gfs2_get_tree+0x54/0x1b4 [ 281.956597][ T4588] vfs_get_tree+0x90/0x274 [ 281.957370][ T4588] do_new_mount+0x228/0x810 [ 281.958100][ T4588] path_mount+0x5b4/0x1000 [ 281.958816][ T4588] __arm64_sys_mount+0x514/0x5e4 [ 281.959638][ T4588] invoke_syscall+0x98/0x2b8 [ 281.960376][ T4588] el0_svc_common+0x138/0x258 [ 281.961062][ T4588] do_el0_svc+0x58/0x14c [ 281.961800][ T4588] el0_svc+0x78/0x1e0 [ 281.962400][ T4588] el0t_64_sync_handler+0xcc/0xe4 [ 281.963138][ T4588] el0t_64_sync+0x1a0/0x1a4 [ 281.968971][ T4588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 281.970935][ T4588] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 282.237066][ T4589] loop1: detected capacity change from 0 to 32768 [ 282.303416][ T4589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 282.304597][ T4589] CPU: 1 PID: 4589 Comm: syz.1.358 Not tainted 5.15.189-syzkaller #0 [ 282.305830][ T4589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 282.307276][ T4589] Call trace: [ 282.307754][ T4589] dump_backtrace+0x0/0x43c [ 282.308393][ T4589] show_stack+0x2c/0x3c [ 282.309064][ T4589] __dump_stack+0x30/0x40 [ 282.309739][ T4589] dump_stack_lvl+0xf8/0x160 [ 282.310399][ T4589] dump_stack+0x1c/0x5c [ 282.311053][ T4589] sysfs_create_dir_ns+0x22c/0x24c [ 282.311932][ T4589] kobject_add_internal+0x590/0xc54 [ 282.312666][ T4589] kobject_init_and_add+0x118/0x17c [ 282.313534][ T4589] gfs2_sys_fs_add+0x1dc/0x3d8 [ 282.314369][ T4589] gfs2_fill_super+0xdac/0x19e0 [ 282.315144][ T4589] get_tree_bdev+0x358/0x544 [ 282.315812][ T4589] gfs2_get_tree+0x54/0x1b4 [ 282.316482][ T4589] vfs_get_tree+0x90/0x274 [ 282.317163][ T4589] do_new_mount+0x228/0x810 [ 282.317873][ T4589] path_mount+0x5b4/0x1000 [ 282.318459][ T4589] __arm64_sys_mount+0x514/0x5e4 [ 282.319258][ T4589] invoke_syscall+0x98/0x2b8 [ 282.319923][ T4589] el0_svc_common+0x138/0x258 [ 282.320737][ T4589] do_el0_svc+0x58/0x14c [ 282.321428][ T4589] el0_svc+0x78/0x1e0 [ 282.322048][ T4589] el0t_64_sync_handler+0xcc/0xe4 [ 282.322829][ T4589] el0t_64_sync+0x1a0/0x1a4 [ 282.325861][ T4589] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 282.327615][ T4589] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 282.597890][ T4590] loop1: detected capacity change from 0 to 32768 [ 282.608013][ T4590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 282.609046][ T4590] CPU: 0 PID: 4590 Comm: syz.1.359 Not tainted 5.15.189-syzkaller #0 [ 282.610146][ T4590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 282.611518][ T4590] Call trace: [ 282.612060][ T4590] dump_backtrace+0x0/0x43c [ 282.612696][ T4590] show_stack+0x2c/0x3c [ 282.613237][ T4590] __dump_stack+0x30/0x40 [ 282.613820][ T4590] dump_stack_lvl+0xf8/0x160 [ 282.614438][ T4590] dump_stack+0x1c/0x5c [ 282.615064][ T4590] sysfs_create_dir_ns+0x22c/0x24c [ 282.615810][ T4590] kobject_add_internal+0x590/0xc54 [ 282.616578][ T4590] kobject_init_and_add+0x118/0x17c [ 282.617345][ T4590] gfs2_sys_fs_add+0x1dc/0x3d8 [ 282.618041][ T4590] gfs2_fill_super+0xdac/0x19e0 [ 282.618748][ T4590] get_tree_bdev+0x358/0x544 [ 282.619464][ T4590] gfs2_get_tree+0x54/0x1b4 [ 282.620105][ T4590] vfs_get_tree+0x90/0x274 [ 282.620735][ T4590] do_new_mount+0x228/0x810 [ 282.621453][ T4590] path_mount+0x5b4/0x1000 [ 282.622240][ T4590] __arm64_sys_mount+0x514/0x5e4 [ 282.622909][ T4590] invoke_syscall+0x98/0x2b8 [ 282.623671][ T4590] el0_svc_common+0x138/0x258 [ 282.624387][ T4590] do_el0_svc+0x58/0x14c [ 282.625127][ T4590] el0_svc+0x78/0x1e0 [ 282.625818][ T4590] el0t_64_sync_handler+0xcc/0xe4 [ 282.626572][ T4590] el0t_64_sync+0x1a0/0x1a4 [ 282.628034][ T4590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 282.630018][ T4590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 282.898616][ T4591] loop1: detected capacity change from 0 to 32768 [ 282.956486][ T4591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 282.957539][ T4591] CPU: 1 PID: 4591 Comm: syz.1.360 Not tainted 5.15.189-syzkaller #0 [ 282.958594][ T4591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 282.959962][ T4591] Call trace: [ 282.960531][ T4591] dump_backtrace+0x0/0x43c [ 282.961323][ T4591] show_stack+0x2c/0x3c [ 282.961996][ T4591] __dump_stack+0x30/0x40 [ 282.962561][ T4591] dump_stack_lvl+0xf8/0x160 [ 282.963284][ T4591] dump_stack+0x1c/0x5c [ 282.963902][ T4591] sysfs_create_dir_ns+0x22c/0x24c [ 282.964668][ T4591] kobject_add_internal+0x590/0xc54 [ 282.965435][ T4591] kobject_init_and_add+0x118/0x17c [ 282.966252][ T4591] gfs2_sys_fs_add+0x1dc/0x3d8 [ 282.967024][ T4591] gfs2_fill_super+0xdac/0x19e0 [ 282.967781][ T4591] get_tree_bdev+0x358/0x544 [ 282.968528][ T4591] gfs2_get_tree+0x54/0x1b4 [ 282.969312][ T4591] vfs_get_tree+0x90/0x274 [ 282.969975][ T4591] do_new_mount+0x228/0x810 [ 282.970728][ T4591] path_mount+0x5b4/0x1000 [ 282.971364][ T4591] __arm64_sys_mount+0x514/0x5e4 [ 282.972154][ T4591] invoke_syscall+0x98/0x2b8 [ 282.972859][ T4591] el0_svc_common+0x138/0x258 [ 282.973564][ T4591] do_el0_svc+0x58/0x14c [ 282.974217][ T4591] el0_svc+0x78/0x1e0 [ 282.974794][ T4591] el0t_64_sync_handler+0xcc/0xe4 [ 282.975647][ T4591] el0t_64_sync+0x1a0/0x1a4 [ 282.978197][ T4591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 282.980096][ T4591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 283.246332][ T4592] loop1: detected capacity change from 0 to 32768 [ 283.298967][ T4592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 283.300089][ T4592] CPU: 0 PID: 4592 Comm: syz.1.361 Not tainted 5.15.189-syzkaller #0 [ 283.301202][ T4592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 283.302681][ T4592] Call trace: [ 283.303166][ T4592] dump_backtrace+0x0/0x43c [ 283.303860][ T4592] show_stack+0x2c/0x3c [ 283.304482][ T4592] __dump_stack+0x30/0x40 [ 283.305109][ T4592] dump_stack_lvl+0xf8/0x160 [ 283.305860][ T4592] dump_stack+0x1c/0x5c [ 283.306418][ T4592] sysfs_create_dir_ns+0x22c/0x24c [ 283.307131][ T4592] kobject_add_internal+0x590/0xc54 [ 283.308091][ T4592] kobject_init_and_add+0x118/0x17c [ 283.308796][ T4592] gfs2_sys_fs_add+0x1dc/0x3d8 [ 283.309515][ T4592] gfs2_fill_super+0xdac/0x19e0 [ 283.310308][ T4592] get_tree_bdev+0x358/0x544 [ 283.311079][ T4592] gfs2_get_tree+0x54/0x1b4 [ 283.311694][ T4592] vfs_get_tree+0x90/0x274 [ 283.312284][ T4592] do_new_mount+0x228/0x810 [ 283.312960][ T4592] path_mount+0x5b4/0x1000 [ 283.313566][ T4592] __arm64_sys_mount+0x514/0x5e4 [ 283.314379][ T4592] invoke_syscall+0x98/0x2b8 [ 283.315099][ T4592] el0_svc_common+0x138/0x258 [ 283.315778][ T4592] do_el0_svc+0x58/0x14c [ 283.316412][ T4592] el0_svc+0x78/0x1e0 [ 283.317075][ T4592] el0t_64_sync_handler+0xcc/0xe4 [ 283.317778][ T4592] el0t_64_sync+0x1a0/0x1a4 [ 283.320515][ T4592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 283.322303][ T4592] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 283.606679][ T4593] loop1: detected capacity change from 0 to 32768 [ 283.618374][ T4593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 283.619509][ T4593] CPU: 1 PID: 4593 Comm: syz.1.362 Not tainted 5.15.189-syzkaller #0 [ 283.620632][ T4593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 283.622049][ T4593] Call trace: [ 283.622455][ T4593] dump_backtrace+0x0/0x43c [ 283.623103][ T4593] show_stack+0x2c/0x3c [ 283.623752][ T4593] __dump_stack+0x30/0x40 [ 283.624262][ T4593] dump_stack_lvl+0xf8/0x160 [ 283.624929][ T4593] dump_stack+0x1c/0x5c [ 283.625586][ T4593] sysfs_create_dir_ns+0x22c/0x24c [ 283.626307][ T4593] kobject_add_internal+0x590/0xc54 [ 283.627071][ T4593] kobject_init_and_add+0x118/0x17c [ 283.627768][ T4593] gfs2_sys_fs_add+0x1dc/0x3d8 [ 283.628519][ T4593] gfs2_fill_super+0xdac/0x19e0 [ 283.629322][ T4593] get_tree_bdev+0x358/0x544 [ 283.630114][ T4593] gfs2_get_tree+0x54/0x1b4 [ 283.630773][ T4593] vfs_get_tree+0x90/0x274 [ 283.631446][ T4593] do_new_mount+0x228/0x810 [ 283.632124][ T4593] path_mount+0x5b4/0x1000 [ 283.632848][ T4593] __arm64_sys_mount+0x514/0x5e4 [ 283.633761][ T4593] invoke_syscall+0x98/0x2b8 [ 283.634480][ T4593] el0_svc_common+0x138/0x258 [ 283.635168][ T4593] do_el0_svc+0x58/0x14c [ 283.635777][ T4593] el0_svc+0x78/0x1e0 [ 283.636519][ T4593] el0t_64_sync_handler+0xcc/0xe4 [ 283.637230][ T4593] el0t_64_sync+0x1a0/0x1a4 [ 283.640035][ T4593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 283.641897][ T4593] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 283.913053][ T4594] loop1: detected capacity change from 0 to 32768 [ 283.950906][ T4594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 283.952055][ T4594] CPU: 0 PID: 4594 Comm: syz.1.363 Not tainted 5.15.189-syzkaller #0 [ 283.953225][ T4594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 283.954600][ T4594] Call trace: [ 283.955066][ T4594] dump_backtrace+0x0/0x43c [ 283.955728][ T4594] show_stack+0x2c/0x3c [ 283.956356][ T4594] __dump_stack+0x30/0x40 [ 283.957081][ T4594] dump_stack_lvl+0xf8/0x160 [ 283.957840][ T4594] dump_stack+0x1c/0x5c [ 283.958479][ T4594] sysfs_create_dir_ns+0x22c/0x24c [ 283.959278][ T4594] kobject_add_internal+0x590/0xc54 [ 283.960067][ T4594] kobject_init_and_add+0x118/0x17c [ 283.960868][ T4594] gfs2_sys_fs_add+0x1dc/0x3d8 [ 283.961622][ T4594] gfs2_fill_super+0xdac/0x19e0 [ 283.962361][ T4594] get_tree_bdev+0x358/0x544 [ 283.963033][ T4594] gfs2_get_tree+0x54/0x1b4 [ 283.963703][ T4594] vfs_get_tree+0x90/0x274 [ 283.964431][ T4594] do_new_mount+0x228/0x810 [ 283.965035][ T4594] path_mount+0x5b4/0x1000 [ 283.965707][ T4594] __arm64_sys_mount+0x514/0x5e4 [ 283.966550][ T4594] invoke_syscall+0x98/0x2b8 [ 283.967318][ T4594] el0_svc_common+0x138/0x258 [ 283.968001][ T4594] do_el0_svc+0x58/0x14c [ 283.968564][ T4594] el0_svc+0x78/0x1e0 [ 283.969152][ T4594] el0t_64_sync_handler+0xcc/0xe4 [ 283.969913][ T4594] el0t_64_sync+0x1a0/0x1a4 [ 283.972527][ T4594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 283.974400][ T4594] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 284.248303][ T4595] loop1: detected capacity change from 0 to 32768 [ 284.292977][ T4595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 284.294262][ T4595] CPU: 1 PID: 4595 Comm: syz.1.364 Not tainted 5.15.189-syzkaller #0 [ 284.295432][ T4595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 284.297009][ T4595] Call trace: [ 284.297579][ T4595] dump_backtrace+0x0/0x43c [ 284.298296][ T4595] show_stack+0x2c/0x3c [ 284.299075][ T4595] __dump_stack+0x30/0x40 [ 284.299738][ T4595] dump_stack_lvl+0xf8/0x160 [ 284.300408][ T4595] dump_stack+0x1c/0x5c [ 284.300992][ T4595] sysfs_create_dir_ns+0x22c/0x24c [ 284.301705][ T4595] kobject_add_internal+0x590/0xc54 [ 284.302527][ T4595] kobject_init_and_add+0x118/0x17c [ 284.303297][ T4595] gfs2_sys_fs_add+0x1dc/0x3d8 [ 284.304097][ T4595] gfs2_fill_super+0xdac/0x19e0 [ 284.304785][ T4595] get_tree_bdev+0x358/0x544 [ 284.305524][ T4595] gfs2_get_tree+0x54/0x1b4 [ 284.306264][ T4595] vfs_get_tree+0x90/0x274 [ 284.307000][ T4595] do_new_mount+0x228/0x810 [ 284.307638][ T4595] path_mount+0x5b4/0x1000 [ 284.308275][ T4595] __arm64_sys_mount+0x514/0x5e4 [ 284.309070][ T4595] invoke_syscall+0x98/0x2b8 [ 284.309805][ T4595] el0_svc_common+0x138/0x258 [ 284.310487][ T4595] do_el0_svc+0x58/0x14c [ 284.311198][ T4595] el0_svc+0x78/0x1e0 [ 284.311848][ T4595] el0t_64_sync_handler+0xcc/0xe4 [ 284.312627][ T4595] el0t_64_sync+0x1a0/0x1a4 [ 284.315763][ T4595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 284.317612][ T4595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 284.594642][ T4596] loop1: detected capacity change from 0 to 32768 [ 284.649670][ T4596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 284.650808][ T4596] CPU: 0 PID: 4596 Comm: syz.1.365 Not tainted 5.15.189-syzkaller #0 [ 284.651998][ T4596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 284.653246][ T4596] Call trace: [ 284.653753][ T4596] dump_backtrace+0x0/0x43c [ 284.654309][ T4596] show_stack+0x2c/0x3c [ 284.654945][ T4596] __dump_stack+0x30/0x40 [ 284.655644][ T4596] dump_stack_lvl+0xf8/0x160 [ 284.656429][ T4596] dump_stack+0x1c/0x5c [ 284.657098][ T4596] sysfs_create_dir_ns+0x22c/0x24c [ 284.657849][ T4596] kobject_add_internal+0x590/0xc54 [ 284.658605][ T4596] kobject_init_and_add+0x118/0x17c [ 284.659385][ T4596] gfs2_sys_fs_add+0x1dc/0x3d8 [ 284.660118][ T4596] gfs2_fill_super+0xdac/0x19e0 [ 284.660778][ T4596] get_tree_bdev+0x358/0x544 [ 284.661466][ T4596] gfs2_get_tree+0x54/0x1b4 [ 284.662185][ T4596] vfs_get_tree+0x90/0x274 [ 284.662931][ T4596] do_new_mount+0x228/0x810 [ 284.663642][ T4596] path_mount+0x5b4/0x1000 [ 284.664422][ T4596] __arm64_sys_mount+0x514/0x5e4 [ 284.665210][ T4596] invoke_syscall+0x98/0x2b8 [ 284.665879][ T4596] el0_svc_common+0x138/0x258 [ 284.666619][ T4596] do_el0_svc+0x58/0x14c [ 284.667311][ T4596] el0_svc+0x78/0x1e0 [ 284.667938][ T4596] el0t_64_sync_handler+0xcc/0xe4 [ 284.668767][ T4596] el0t_64_sync+0x1a0/0x1a4 [ 284.669688][ T4596] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 284.671674][ T4596] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 284.952470][ T4597] loop1: detected capacity change from 0 to 32768 [ 284.999091][ T4597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 285.000277][ T4597] CPU: 0 PID: 4597 Comm: syz.1.366 Not tainted 5.15.189-syzkaller #0 [ 285.001465][ T4597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 285.003107][ T4597] Call trace: [ 285.003644][ T4597] dump_backtrace+0x0/0x43c [ 285.004274][ T4597] show_stack+0x2c/0x3c [ 285.005048][ T4597] __dump_stack+0x30/0x40 [ 285.005672][ T4597] dump_stack_lvl+0xf8/0x160 [ 285.006379][ T4597] dump_stack+0x1c/0x5c [ 285.007108][ T4597] sysfs_create_dir_ns+0x22c/0x24c [ 285.007893][ T4597] kobject_add_internal+0x590/0xc54 [ 285.008683][ T4597] kobject_init_and_add+0x118/0x17c [ 285.009655][ T4597] gfs2_sys_fs_add+0x1dc/0x3d8 [ 285.010504][ T4597] gfs2_fill_super+0xdac/0x19e0 [ 285.011226][ T4597] get_tree_bdev+0x358/0x544 [ 285.011902][ T4597] gfs2_get_tree+0x54/0x1b4 [ 285.012619][ T4597] vfs_get_tree+0x90/0x274 [ 285.013354][ T4597] do_new_mount+0x228/0x810 [ 285.014085][ T4597] path_mount+0x5b4/0x1000 [ 285.014746][ T4597] __arm64_sys_mount+0x514/0x5e4 [ 285.015490][ T4597] invoke_syscall+0x98/0x2b8 [ 285.016200][ T4597] el0_svc_common+0x138/0x258 [ 285.017085][ T4597] do_el0_svc+0x58/0x14c [ 285.017754][ T4597] el0_svc+0x78/0x1e0 [ 285.018376][ T4597] el0t_64_sync_handler+0xcc/0xe4 [ 285.019039][ T4597] el0t_64_sync+0x1a0/0x1a4 [ 285.021860][ T4597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 285.023777][ T4597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 285.290674][ T4598] loop1: detected capacity change from 0 to 32768 [ 285.334281][ T4598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 285.335543][ T4598] CPU: 1 PID: 4598 Comm: syz.1.367 Not tainted 5.15.189-syzkaller #0 [ 285.336779][ T4598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 285.338275][ T4598] Call trace: [ 285.338758][ T4598] dump_backtrace+0x0/0x43c [ 285.339444][ T4598] show_stack+0x2c/0x3c [ 285.340015][ T4598] __dump_stack+0x30/0x40 [ 285.340643][ T4598] dump_stack_lvl+0xf8/0x160 [ 285.341379][ T4598] dump_stack+0x1c/0x5c [ 285.341933][ T4598] sysfs_create_dir_ns+0x22c/0x24c [ 285.342681][ T4598] kobject_add_internal+0x590/0xc54 [ 285.343465][ T4598] kobject_init_and_add+0x118/0x17c [ 285.344225][ T4598] gfs2_sys_fs_add+0x1dc/0x3d8 [ 285.344963][ T4598] gfs2_fill_super+0xdac/0x19e0 [ 285.345698][ T4598] get_tree_bdev+0x358/0x544 [ 285.346399][ T4598] gfs2_get_tree+0x54/0x1b4 [ 285.347158][ T4598] vfs_get_tree+0x90/0x274 [ 285.347803][ T4598] do_new_mount+0x228/0x810 [ 285.348500][ T4598] path_mount+0x5b4/0x1000 [ 285.349169][ T4598] __arm64_sys_mount+0x514/0x5e4 [ 285.349955][ T4598] invoke_syscall+0x98/0x2b8 [ 285.350620][ T4598] el0_svc_common+0x138/0x258 [ 285.351280][ T4598] do_el0_svc+0x58/0x14c [ 285.351886][ T4598] el0_svc+0x78/0x1e0 [ 285.352459][ T4598] el0t_64_sync_handler+0xcc/0xe4 [ 285.353156][ T4598] el0t_64_sync+0x1a0/0x1a4 [ 285.354119][ T4598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 285.356161][ T4598] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 285.630719][ T4599] loop1: detected capacity change from 0 to 32768 [ 285.695333][ T4599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 285.696579][ T4599] CPU: 1 PID: 4599 Comm: syz.1.368 Not tainted 5.15.189-syzkaller #0 [ 285.697836][ T4599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 285.699111][ T4599] Call trace: [ 285.699570][ T4599] dump_backtrace+0x0/0x43c [ 285.700216][ T4599] show_stack+0x2c/0x3c [ 285.700788][ T4599] __dump_stack+0x30/0x40 [ 285.701343][ T4599] dump_stack_lvl+0xf8/0x160 [ 285.701981][ T4599] dump_stack+0x1c/0x5c [ 285.702610][ T4599] sysfs_create_dir_ns+0x22c/0x24c [ 285.703348][ T4599] kobject_add_internal+0x590/0xc54 [ 285.704015][ T4599] kobject_init_and_add+0x118/0x17c [ 285.704704][ T4599] gfs2_sys_fs_add+0x1dc/0x3d8 [ 285.705479][ T4599] gfs2_fill_super+0xdac/0x19e0 [ 285.706241][ T4599] get_tree_bdev+0x358/0x544 [ 285.706938][ T4599] gfs2_get_tree+0x54/0x1b4 [ 285.707639][ T4599] vfs_get_tree+0x90/0x274 [ 285.708263][ T4599] do_new_mount+0x228/0x810 [ 285.708888][ T4599] path_mount+0x5b4/0x1000 [ 285.709558][ T4599] __arm64_sys_mount+0x514/0x5e4 [ 285.710310][ T4599] invoke_syscall+0x98/0x2b8 [ 285.710975][ T4599] el0_svc_common+0x138/0x258 [ 285.711752][ T4599] do_el0_svc+0x58/0x14c [ 285.712420][ T4599] el0_svc+0x78/0x1e0 [ 285.713104][ T4599] el0t_64_sync_handler+0xcc/0xe4 [ 285.713911][ T4599] el0t_64_sync+0x1a0/0x1a4 [ 285.716752][ T4599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 285.718723][ T4599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 285.985203][ T4600] loop1: detected capacity change from 0 to 32768 [ 286.027297][ T4600] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 286.028383][ T4600] CPU: 0 PID: 4600 Comm: syz.1.369 Not tainted 5.15.189-syzkaller #0 [ 286.029609][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 286.030936][ T4600] Call trace: [ 286.031481][ T4600] dump_backtrace+0x0/0x43c [ 286.032238][ T4600] show_stack+0x2c/0x3c [ 286.032841][ T4600] __dump_stack+0x30/0x40 [ 286.033441][ T4600] dump_stack_lvl+0xf8/0x160 [ 286.034098][ T4600] dump_stack+0x1c/0x5c [ 286.034767][ T4600] sysfs_create_dir_ns+0x22c/0x24c [ 286.035621][ T4600] kobject_add_internal+0x590/0xc54 [ 286.036533][ T4600] kobject_init_and_add+0x118/0x17c [ 286.037314][ T4600] gfs2_sys_fs_add+0x1dc/0x3d8 [ 286.038044][ T4600] gfs2_fill_super+0xdac/0x19e0 [ 286.038827][ T4600] get_tree_bdev+0x358/0x544 [ 286.039628][ T4600] gfs2_get_tree+0x54/0x1b4 [ 286.040273][ T4600] vfs_get_tree+0x90/0x274 [ 286.040977][ T4600] do_new_mount+0x228/0x810 [ 286.041578][ T4600] path_mount+0x5b4/0x1000 [ 286.042356][ T4600] __arm64_sys_mount+0x514/0x5e4 [ 286.043102][ T4600] invoke_syscall+0x98/0x2b8 [ 286.043841][ T4600] el0_svc_common+0x138/0x258 [ 286.044541][ T4600] do_el0_svc+0x58/0x14c [ 286.045240][ T4600] el0_svc+0x78/0x1e0 [ 286.045784][ T4600] el0t_64_sync_handler+0xcc/0xe4 [ 286.046576][ T4600] el0t_64_sync+0x1a0/0x1a4 [ 286.048323][ T4600] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 286.050116][ T4600] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 286.323077][ T4601] loop1: detected capacity change from 0 to 32768 [ 286.373148][ T4601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 286.374219][ T4601] CPU: 1 PID: 4601 Comm: syz.1.370 Not tainted 5.15.189-syzkaller #0 [ 286.375529][ T4601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 286.377071][ T4601] Call trace: [ 286.377556][ T4601] dump_backtrace+0x0/0x43c [ 286.378176][ T4601] show_stack+0x2c/0x3c [ 286.378813][ T4601] __dump_stack+0x30/0x40 [ 286.379402][ T4601] dump_stack_lvl+0xf8/0x160 [ 286.380118][ T4601] dump_stack+0x1c/0x5c [ 286.380759][ T4601] sysfs_create_dir_ns+0x22c/0x24c [ 286.381447][ T4601] kobject_add_internal+0x590/0xc54 [ 286.382257][ T4601] kobject_init_and_add+0x118/0x17c [ 286.383084][ T4601] gfs2_sys_fs_add+0x1dc/0x3d8 [ 286.383803][ T4601] gfs2_fill_super+0xdac/0x19e0 [ 286.384598][ T4601] get_tree_bdev+0x358/0x544 [ 286.385211][ T4601] gfs2_get_tree+0x54/0x1b4 [ 286.385935][ T4601] vfs_get_tree+0x90/0x274 [ 286.386664][ T4601] do_new_mount+0x228/0x810 [ 286.387484][ T4601] path_mount+0x5b4/0x1000 [ 286.388387][ T4601] __arm64_sys_mount+0x514/0x5e4 [ 286.389212][ T4601] invoke_syscall+0x98/0x2b8 [ 286.389978][ T4601] el0_svc_common+0x138/0x258 [ 286.390743][ T4601] do_el0_svc+0x58/0x14c [ 286.391489][ T4601] el0_svc+0x78/0x1e0 [ 286.392110][ T4601] el0t_64_sync_handler+0xcc/0xe4 [ 286.393016][ T4601] el0t_64_sync+0x1a0/0x1a4 [ 286.395907][ T4601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 286.397710][ T4601] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:46 executed programs: 356 [ 286.674187][ T4602] loop1: detected capacity change from 0 to 32768 [ 286.755451][ T3617] Bluetooth: hci1: command 0x0406 tx timeout [ 286.769897][ T4602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 286.770965][ T4602] CPU: 1 PID: 4602 Comm: syz.1.371 Not tainted 5.15.189-syzkaller #0 [ 286.772163][ T4602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 286.773624][ T4602] Call trace: [ 286.774133][ T4602] dump_backtrace+0x0/0x43c [ 286.774720][ T4602] show_stack+0x2c/0x3c [ 286.775353][ T4602] __dump_stack+0x30/0x40 [ 286.776093][ T4602] dump_stack_lvl+0xf8/0x160 [ 286.776993][ T4602] dump_stack+0x1c/0x5c [ 286.777607][ T4602] sysfs_create_dir_ns+0x22c/0x24c [ 286.778368][ T4602] kobject_add_internal+0x590/0xc54 [ 286.779186][ T4602] kobject_init_and_add+0x118/0x17c [ 286.780061][ T4602] gfs2_sys_fs_add+0x1dc/0x3d8 [ 286.780933][ T4602] gfs2_fill_super+0xdac/0x19e0 [ 286.781756][ T4602] get_tree_bdev+0x358/0x544 [ 286.782435][ T4602] gfs2_get_tree+0x54/0x1b4 [ 286.783156][ T4602] vfs_get_tree+0x90/0x274 [ 286.783778][ T4602] do_new_mount+0x228/0x810 [ 286.784530][ T4602] path_mount+0x5b4/0x1000 [ 286.785128][ T4602] __arm64_sys_mount+0x514/0x5e4 [ 286.785871][ T4602] invoke_syscall+0x98/0x2b8 [ 286.786678][ T4602] el0_svc_common+0x138/0x258 [ 286.787456][ T4602] do_el0_svc+0x58/0x14c [ 286.788109][ T4602] el0_svc+0x78/0x1e0 [ 286.788802][ T4602] el0t_64_sync_handler+0xcc/0xe4 [ 286.789605][ T4602] el0t_64_sync+0x1a0/0x1a4 [ 286.793519][ T4602] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 286.795557][ T4602] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 287.068107][ T4603] loop1: detected capacity change from 0 to 32768 [ 287.129093][ T4603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 287.130176][ T4603] CPU: 1 PID: 4603 Comm: syz.1.372 Not tainted 5.15.189-syzkaller #0 [ 287.131498][ T4603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 287.132851][ T4603] Call trace: [ 287.133435][ T4603] dump_backtrace+0x0/0x43c [ 287.134161][ T4603] show_stack+0x2c/0x3c [ 287.134841][ T4603] __dump_stack+0x30/0x40 [ 287.135493][ T4603] dump_stack_lvl+0xf8/0x160 [ 287.136294][ T4603] dump_stack+0x1c/0x5c [ 287.137050][ T4603] sysfs_create_dir_ns+0x22c/0x24c [ 287.138002][ T4603] kobject_add_internal+0x590/0xc54 [ 287.138811][ T4603] kobject_init_and_add+0x118/0x17c [ 287.139577][ T4603] gfs2_sys_fs_add+0x1dc/0x3d8 [ 287.140326][ T4603] gfs2_fill_super+0xdac/0x19e0 [ 287.141131][ T4603] get_tree_bdev+0x358/0x544 [ 287.141889][ T4603] gfs2_get_tree+0x54/0x1b4 [ 287.142664][ T4603] vfs_get_tree+0x90/0x274 [ 287.143429][ T4603] do_new_mount+0x228/0x810 [ 287.144170][ T4603] path_mount+0x5b4/0x1000 [ 287.145092][ T4603] __arm64_sys_mount+0x514/0x5e4 [ 287.145845][ T4603] invoke_syscall+0x98/0x2b8 [ 287.146509][ T4603] el0_svc_common+0x138/0x258 [ 287.147211][ T4603] do_el0_svc+0x58/0x14c [ 287.147828][ T4603] el0_svc+0x78/0x1e0 [ 287.148506][ T4603] el0t_64_sync_handler+0xcc/0xe4 [ 287.149326][ T4603] el0t_64_sync+0x1a0/0x1a4 [ 287.158702][ T4603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 287.160720][ T4603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 287.431745][ T4604] loop1: detected capacity change from 0 to 32768 [ 287.477318][ T4604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 287.478421][ T4604] CPU: 1 PID: 4604 Comm: syz.1.373 Not tainted 5.15.189-syzkaller #0 [ 287.479619][ T4604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 287.480949][ T4604] Call trace: [ 287.481501][ T4604] dump_backtrace+0x0/0x43c [ 287.482297][ T4604] show_stack+0x2c/0x3c [ 287.482844][ T4604] __dump_stack+0x30/0x40 [ 287.483424][ T4604] dump_stack_lvl+0xf8/0x160 [ 287.484137][ T4604] dump_stack+0x1c/0x5c [ 287.484818][ T4604] sysfs_create_dir_ns+0x22c/0x24c [ 287.485623][ T4604] kobject_add_internal+0x590/0xc54 [ 287.486411][ T4604] kobject_init_and_add+0x118/0x17c [ 287.487313][ T4604] gfs2_sys_fs_add+0x1dc/0x3d8 [ 287.488086][ T4604] gfs2_fill_super+0xdac/0x19e0 [ 287.488901][ T4604] get_tree_bdev+0x358/0x544 [ 287.489617][ T4604] gfs2_get_tree+0x54/0x1b4 [ 287.490283][ T4604] vfs_get_tree+0x90/0x274 [ 287.490978][ T4604] do_new_mount+0x228/0x810 [ 287.491800][ T4604] path_mount+0x5b4/0x1000 [ 287.492452][ T4604] __arm64_sys_mount+0x514/0x5e4 [ 287.493224][ T4604] invoke_syscall+0x98/0x2b8 [ 287.493879][ T4604] el0_svc_common+0x138/0x258 [ 287.494666][ T4604] do_el0_svc+0x58/0x14c [ 287.495416][ T4604] el0_svc+0x78/0x1e0 [ 287.495989][ T4604] el0t_64_sync_handler+0xcc/0xe4 [ 287.496722][ T4604] el0t_64_sync+0x1a0/0x1a4 [ 287.500890][ T4604] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 287.502848][ T4604] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 287.844091][ T4605] loop1: detected capacity change from 0 to 32768 [ 287.887640][ T4605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 287.888714][ T4605] CPU: 0 PID: 4605 Comm: syz.1.374 Not tainted 5.15.189-syzkaller #0 [ 287.890069][ T4605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 287.891651][ T4605] Call trace: [ 287.892218][ T4605] dump_backtrace+0x0/0x43c [ 287.892901][ T4605] show_stack+0x2c/0x3c [ 287.893550][ T4605] __dump_stack+0x30/0x40 [ 287.894252][ T4605] dump_stack_lvl+0xf8/0x160 [ 287.895009][ T4605] dump_stack+0x1c/0x5c [ 287.895605][ T4605] sysfs_create_dir_ns+0x22c/0x24c [ 287.896375][ T4605] kobject_add_internal+0x590/0xc54 [ 287.897140][ T4605] kobject_init_and_add+0x118/0x17c [ 287.897947][ T4605] gfs2_sys_fs_add+0x1dc/0x3d8 [ 287.898595][ T4605] gfs2_fill_super+0xdac/0x19e0 [ 287.899319][ T4605] get_tree_bdev+0x358/0x544 [ 287.899980][ T4605] gfs2_get_tree+0x54/0x1b4 [ 287.900736][ T4605] vfs_get_tree+0x90/0x274 [ 287.901495][ T4605] do_new_mount+0x228/0x810 [ 287.902238][ T4605] path_mount+0x5b4/0x1000 [ 287.902960][ T4605] __arm64_sys_mount+0x514/0x5e4 [ 287.903752][ T4605] invoke_syscall+0x98/0x2b8 [ 287.904541][ T4605] el0_svc_common+0x138/0x258 [ 287.905300][ T4605] do_el0_svc+0x58/0x14c [ 287.905976][ T4605] el0_svc+0x78/0x1e0 [ 287.906509][ T4605] el0t_64_sync_handler+0xcc/0xe4 [ 287.907351][ T4605] el0t_64_sync+0x1a0/0x1a4 [ 287.909463][ T4605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 287.911443][ T4605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 288.192156][ T4606] loop1: detected capacity change from 0 to 32768 [ 288.245309][ T4606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 288.246638][ T4606] CPU: 0 PID: 4606 Comm: syz.1.375 Not tainted 5.15.189-syzkaller #0 [ 288.247887][ T4606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 288.249286][ T4606] Call trace: [ 288.249749][ T4606] dump_backtrace+0x0/0x43c [ 288.250511][ T4606] show_stack+0x2c/0x3c [ 288.251139][ T4606] __dump_stack+0x30/0x40 [ 288.251753][ T4606] dump_stack_lvl+0xf8/0x160 [ 288.252368][ T4606] dump_stack+0x1c/0x5c [ 288.253032][ T4606] sysfs_create_dir_ns+0x22c/0x24c [ 288.253782][ T4606] kobject_add_internal+0x590/0xc54 [ 288.254601][ T4606] kobject_init_and_add+0x118/0x17c [ 288.255513][ T4606] gfs2_sys_fs_add+0x1dc/0x3d8 [ 288.256294][ T4606] gfs2_fill_super+0xdac/0x19e0 [ 288.257003][ T4606] get_tree_bdev+0x358/0x544 [ 288.257804][ T4606] gfs2_get_tree+0x54/0x1b4 [ 288.258563][ T4606] vfs_get_tree+0x90/0x274 [ 288.259255][ T4606] do_new_mount+0x228/0x810 [ 288.259923][ T4606] path_mount+0x5b4/0x1000 [ 288.260572][ T4606] __arm64_sys_mount+0x514/0x5e4 [ 288.261328][ T4606] invoke_syscall+0x98/0x2b8 [ 288.262093][ T4606] el0_svc_common+0x138/0x258 [ 288.262955][ T4606] do_el0_svc+0x58/0x14c [ 288.263717][ T4606] el0_svc+0x78/0x1e0 [ 288.264335][ T4606] el0t_64_sync_handler+0xcc/0xe4 [ 288.265053][ T4606] el0t_64_sync+0x1a0/0x1a4 [ 288.267801][ T4606] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 288.269655][ T4606] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 288.545567][ T4607] loop1: detected capacity change from 0 to 32768 [ 288.594153][ T4607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 288.595518][ T4607] CPU: 1 PID: 4607 Comm: syz.1.376 Not tainted 5.15.189-syzkaller #0 [ 288.596715][ T4607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 288.598251][ T4607] Call trace: [ 288.598683][ T4607] dump_backtrace+0x0/0x43c [ 288.599272][ T4607] show_stack+0x2c/0x3c [ 288.599876][ T4607] __dump_stack+0x30/0x40 [ 288.600629][ T4607] dump_stack_lvl+0xf8/0x160 [ 288.601254][ T4607] dump_stack+0x1c/0x5c [ 288.601876][ T4607] sysfs_create_dir_ns+0x22c/0x24c [ 288.602681][ T4607] kobject_add_internal+0x590/0xc54 [ 288.603567][ T4607] kobject_init_and_add+0x118/0x17c [ 288.604306][ T4607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 288.605095][ T4607] gfs2_fill_super+0xdac/0x19e0 [ 288.605858][ T4607] get_tree_bdev+0x358/0x544 [ 288.606580][ T4607] gfs2_get_tree+0x54/0x1b4 [ 288.607332][ T4607] vfs_get_tree+0x90/0x274 [ 288.608054][ T4607] do_new_mount+0x228/0x810 [ 288.608857][ T4607] path_mount+0x5b4/0x1000 [ 288.609508][ T4607] __arm64_sys_mount+0x514/0x5e4 [ 288.610231][ T4607] invoke_syscall+0x98/0x2b8 [ 288.610966][ T4607] el0_svc_common+0x138/0x258 [ 288.611756][ T4607] do_el0_svc+0x58/0x14c [ 288.612433][ T4607] el0_svc+0x78/0x1e0 [ 288.613114][ T4607] el0t_64_sync_handler+0xcc/0xe4 [ 288.613911][ T4607] el0t_64_sync+0x1a0/0x1a4 [ 288.617888][ T4607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 288.619764][ T4607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 288.964415][ T4608] loop1: detected capacity change from 0 to 32768 [ 288.977619][ T4608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 288.978688][ T4608] CPU: 0 PID: 4608 Comm: syz.1.377 Not tainted 5.15.189-syzkaller #0 [ 288.979739][ T4608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 288.981227][ T4608] Call trace: [ 288.981805][ T4608] dump_backtrace+0x0/0x43c [ 288.982405][ T4608] show_stack+0x2c/0x3c [ 288.983026][ T4608] __dump_stack+0x30/0x40 [ 288.983733][ T4608] dump_stack_lvl+0xf8/0x160 [ 288.984412][ T4608] dump_stack+0x1c/0x5c [ 288.985118][ T4608] sysfs_create_dir_ns+0x22c/0x24c [ 288.985977][ T4608] kobject_add_internal+0x590/0xc54 [ 288.986751][ T4608] kobject_init_and_add+0x118/0x17c [ 288.987514][ T4608] gfs2_sys_fs_add+0x1dc/0x3d8 [ 288.988227][ T4608] gfs2_fill_super+0xdac/0x19e0 [ 288.988963][ T4608] get_tree_bdev+0x358/0x544 [ 288.989661][ T4608] gfs2_get_tree+0x54/0x1b4 [ 288.990494][ T4608] vfs_get_tree+0x90/0x274 [ 288.991247][ T4608] do_new_mount+0x228/0x810 [ 288.991960][ T4608] path_mount+0x5b4/0x1000 [ 288.992666][ T4608] __arm64_sys_mount+0x514/0x5e4 [ 288.993320][ T4608] invoke_syscall+0x98/0x2b8 [ 288.994076][ T4608] el0_svc_common+0x138/0x258 [ 288.994934][ T4608] do_el0_svc+0x58/0x14c [ 288.995589][ T4608] el0_svc+0x78/0x1e0 [ 288.996326][ T4608] el0t_64_sync_handler+0xcc/0xe4 [ 288.997009][ T4608] el0t_64_sync+0x1a0/0x1a4 [ 289.000263][ T4608] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 289.002125][ T4608] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 289.270384][ T4609] loop1: detected capacity change from 0 to 32768 [ 289.323375][ T4609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 289.324413][ T4609] CPU: 0 PID: 4609 Comm: syz.1.378 Not tainted 5.15.189-syzkaller #0 [ 289.325654][ T4609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 289.327324][ T4609] Call trace: [ 289.327815][ T4609] dump_backtrace+0x0/0x43c [ 289.328533][ T4609] show_stack+0x2c/0x3c [ 289.329199][ T4609] __dump_stack+0x30/0x40 [ 289.329928][ T4609] dump_stack_lvl+0xf8/0x160 [ 289.330745][ T4609] dump_stack+0x1c/0x5c [ 289.331418][ T4609] sysfs_create_dir_ns+0x22c/0x24c [ 289.332197][ T4609] kobject_add_internal+0x590/0xc54 [ 289.333050][ T4609] kobject_init_and_add+0x118/0x17c [ 289.333899][ T4609] gfs2_sys_fs_add+0x1dc/0x3d8 [ 289.334665][ T4609] gfs2_fill_super+0xdac/0x19e0 [ 289.335465][ T4609] get_tree_bdev+0x358/0x544 [ 289.336266][ T4609] gfs2_get_tree+0x54/0x1b4 [ 289.336866][ T4609] vfs_get_tree+0x90/0x274 [ 289.337597][ T4609] do_new_mount+0x228/0x810 [ 289.338266][ T4609] path_mount+0x5b4/0x1000 [ 289.338913][ T4609] __arm64_sys_mount+0x514/0x5e4 [ 289.339695][ T4609] invoke_syscall+0x98/0x2b8 [ 289.340395][ T4609] el0_svc_common+0x138/0x258 [ 289.341102][ T4609] do_el0_svc+0x58/0x14c [ 289.341787][ T4609] el0_svc+0x78/0x1e0 [ 289.342489][ T4609] el0t_64_sync_handler+0xcc/0xe4 [ 289.343276][ T4609] el0t_64_sync+0x1a0/0x1a4 [ 289.345294][ T4609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 289.347510][ T4609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 289.619095][ T4610] loop1: detected capacity change from 0 to 32768 [ 289.668450][ T4610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 289.669508][ T4610] CPU: 0 PID: 4610 Comm: syz.1.379 Not tainted 5.15.189-syzkaller #0 [ 289.670701][ T4610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 289.672113][ T4610] Call trace: [ 289.672606][ T4610] dump_backtrace+0x0/0x43c [ 289.673218][ T4610] show_stack+0x2c/0x3c [ 289.673852][ T4610] __dump_stack+0x30/0x40 [ 289.674547][ T4610] dump_stack_lvl+0xf8/0x160 [ 289.675337][ T4610] dump_stack+0x1c/0x5c [ 289.676030][ T4610] sysfs_create_dir_ns+0x22c/0x24c [ 289.676881][ T4610] kobject_add_internal+0x590/0xc54 [ 289.677694][ T4610] kobject_init_and_add+0x118/0x17c [ 289.678544][ T4610] gfs2_sys_fs_add+0x1dc/0x3d8 [ 289.679289][ T4610] gfs2_fill_super+0xdac/0x19e0 [ 289.680049][ T4610] get_tree_bdev+0x358/0x544 [ 289.680755][ T4610] gfs2_get_tree+0x54/0x1b4 [ 289.681506][ T4610] vfs_get_tree+0x90/0x274 [ 289.682210][ T4610] do_new_mount+0x228/0x810 [ 289.683014][ T4610] path_mount+0x5b4/0x1000 [ 289.683694][ T4610] __arm64_sys_mount+0x514/0x5e4 [ 289.684532][ T4610] invoke_syscall+0x98/0x2b8 [ 289.685257][ T4610] el0_svc_common+0x138/0x258 [ 289.686010][ T4610] do_el0_svc+0x58/0x14c [ 289.686759][ T4610] el0_svc+0x78/0x1e0 [ 289.687444][ T4610] el0t_64_sync_handler+0xcc/0xe4 [ 289.688238][ T4610] el0t_64_sync+0x1a0/0x1a4 [ 289.691037][ T4610] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 289.693095][ T4610] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 289.976405][ T4611] loop1: detected capacity change from 0 to 32768 [ 290.045481][ T4611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 290.046773][ T4611] CPU: 0 PID: 4611 Comm: syz.1.380 Not tainted 5.15.189-syzkaller #0 [ 290.047969][ T4611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 290.049316][ T4611] Call trace: [ 290.049850][ T4611] dump_backtrace+0x0/0x43c [ 290.050525][ T4611] show_stack+0x2c/0x3c [ 290.051215][ T4611] __dump_stack+0x30/0x40 [ 290.051931][ T4611] dump_stack_lvl+0xf8/0x160 [ 290.052668][ T4611] dump_stack+0x1c/0x5c [ 290.053322][ T4611] sysfs_create_dir_ns+0x22c/0x24c [ 290.054144][ T4611] kobject_add_internal+0x590/0xc54 [ 290.054901][ T4611] kobject_init_and_add+0x118/0x17c [ 290.055705][ T4611] gfs2_sys_fs_add+0x1dc/0x3d8 [ 290.056459][ T4611] gfs2_fill_super+0xdac/0x19e0 [ 290.057130][ T4611] get_tree_bdev+0x358/0x544 [ 290.057794][ T4611] gfs2_get_tree+0x54/0x1b4 [ 290.058490][ T4611] vfs_get_tree+0x90/0x274 [ 290.059305][ T4611] do_new_mount+0x228/0x810 [ 290.060017][ T4611] path_mount+0x5b4/0x1000 [ 290.060809][ T4611] __arm64_sys_mount+0x514/0x5e4 [ 290.061670][ T4611] invoke_syscall+0x98/0x2b8 [ 290.062524][ T4611] el0_svc_common+0x138/0x258 [ 290.063280][ T4611] do_el0_svc+0x58/0x14c [ 290.064073][ T4611] el0_svc+0x78/0x1e0 [ 290.064724][ T4611] el0t_64_sync_handler+0xcc/0xe4 [ 290.065555][ T4611] el0t_64_sync+0x1a0/0x1a4 [ 290.068041][ T4611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 290.069795][ T4611] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 290.344246][ T4612] loop1: detected capacity change from 0 to 32768 [ 290.348526][ T4612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 290.349739][ T4612] CPU: 0 PID: 4612 Comm: syz.1.381 Not tainted 5.15.189-syzkaller #0 [ 290.350937][ T4612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 290.352493][ T4612] Call trace: [ 290.352994][ T4612] dump_backtrace+0x0/0x43c [ 290.353588][ T4612] show_stack+0x2c/0x3c [ 290.354184][ T4612] __dump_stack+0x30/0x40 [ 290.354894][ T4612] dump_stack_lvl+0xf8/0x160 [ 290.355603][ T4612] dump_stack+0x1c/0x5c [ 290.356319][ T4612] sysfs_create_dir_ns+0x22c/0x24c [ 290.357069][ T4612] kobject_add_internal+0x590/0xc54 [ 290.357822][ T4612] kobject_init_and_add+0x118/0x17c [ 290.358725][ T4612] gfs2_sys_fs_add+0x1dc/0x3d8 [ 290.359412][ T4612] gfs2_fill_super+0xdac/0x19e0 [ 290.360066][ T4612] get_tree_bdev+0x358/0x544 [ 290.360709][ T4612] gfs2_get_tree+0x54/0x1b4 [ 290.361401][ T4612] vfs_get_tree+0x90/0x274 [ 290.362058][ T4612] do_new_mount+0x228/0x810 [ 290.362735][ T4612] path_mount+0x5b4/0x1000 [ 290.363472][ T4612] __arm64_sys_mount+0x514/0x5e4 [ 290.364313][ T4612] invoke_syscall+0x98/0x2b8 [ 290.365122][ T4612] el0_svc_common+0x138/0x258 [ 290.365823][ T4612] do_el0_svc+0x58/0x14c [ 290.366428][ T4612] el0_svc+0x78/0x1e0 [ 290.367068][ T4612] el0t_64_sync_handler+0xcc/0xe4 [ 290.367845][ T4612] el0t_64_sync+0x1a0/0x1a4 [ 290.371462][ T4612] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 290.373342][ T4612] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 290.643133][ T4613] loop1: detected capacity change from 0 to 32768 [ 290.684006][ T4613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 290.685309][ T4613] CPU: 1 PID: 4613 Comm: syz.1.382 Not tainted 5.15.189-syzkaller #0 [ 290.686542][ T4613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 290.687999][ T4613] Call trace: [ 290.688536][ T4613] dump_backtrace+0x0/0x43c [ 290.689199][ T4613] show_stack+0x2c/0x3c [ 290.689841][ T4613] __dump_stack+0x30/0x40 [ 290.690473][ T4613] dump_stack_lvl+0xf8/0x160 [ 290.691225][ T4613] dump_stack+0x1c/0x5c [ 290.691816][ T4613] sysfs_create_dir_ns+0x22c/0x24c [ 290.692662][ T4613] kobject_add_internal+0x590/0xc54 [ 290.693427][ T4613] kobject_init_and_add+0x118/0x17c [ 290.694245][ T4613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 290.695074][ T4613] gfs2_fill_super+0xdac/0x19e0 [ 290.695713][ T4613] get_tree_bdev+0x358/0x544 [ 290.696390][ T4613] gfs2_get_tree+0x54/0x1b4 [ 290.697141][ T4613] vfs_get_tree+0x90/0x274 [ 290.697798][ T4613] do_new_mount+0x228/0x810 [ 290.698517][ T4613] path_mount+0x5b4/0x1000 [ 290.699123][ T4613] __arm64_sys_mount+0x514/0x5e4 [ 290.699931][ T4613] invoke_syscall+0x98/0x2b8 [ 290.700643][ T4613] el0_svc_common+0x138/0x258 [ 290.701421][ T4613] do_el0_svc+0x58/0x14c [ 290.702134][ T4613] el0_svc+0x78/0x1e0 [ 290.702761][ T4613] el0t_64_sync_handler+0xcc/0xe4 [ 290.703577][ T4613] el0t_64_sync+0x1a0/0x1a4 [ 290.706455][ T4613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 290.708255][ T4613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 290.985934][ T4614] loop1: detected capacity change from 0 to 32768 [ 291.045533][ T4614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 291.046882][ T4614] CPU: 0 PID: 4614 Comm: syz.1.383 Not tainted 5.15.189-syzkaller #0 [ 291.048060][ T4614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 291.049553][ T4614] Call trace: [ 291.050112][ T4614] dump_backtrace+0x0/0x43c [ 291.050883][ T4614] show_stack+0x2c/0x3c [ 291.051380][ T4614] __dump_stack+0x30/0x40 [ 291.052030][ T4614] dump_stack_lvl+0xf8/0x160 [ 291.052703][ T4614] dump_stack+0x1c/0x5c [ 291.053365][ T4614] sysfs_create_dir_ns+0x22c/0x24c [ 291.054158][ T4614] kobject_add_internal+0x590/0xc54 [ 291.055029][ T4614] kobject_init_and_add+0x118/0x17c [ 291.055822][ T4614] gfs2_sys_fs_add+0x1dc/0x3d8 [ 291.056429][ T4614] gfs2_fill_super+0xdac/0x19e0 [ 291.057263][ T4614] get_tree_bdev+0x358/0x544 [ 291.057981][ T4614] gfs2_get_tree+0x54/0x1b4 [ 291.058674][ T4614] vfs_get_tree+0x90/0x274 [ 291.059372][ T4614] do_new_mount+0x228/0x810 [ 291.060033][ T4614] path_mount+0x5b4/0x1000 [ 291.060653][ T4614] __arm64_sys_mount+0x514/0x5e4 [ 291.061410][ T4614] invoke_syscall+0x98/0x2b8 [ 291.062232][ T4614] el0_svc_common+0x138/0x258 [ 291.062923][ T4614] do_el0_svc+0x58/0x14c [ 291.063632][ T4614] el0_svc+0x78/0x1e0 [ 291.064194][ T4614] el0t_64_sync_handler+0xcc/0xe4 [ 291.064912][ T4614] el0t_64_sync+0x1a0/0x1a4 [ 291.066498][ T4614] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 291.068807][ T4614] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 291.351122][ T4615] loop1: detected capacity change from 0 to 32768 [ 291.408134][ T4615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 291.409268][ T4615] CPU: 1 PID: 4615 Comm: syz.1.384 Not tainted 5.15.189-syzkaller #0 [ 291.410485][ T4615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 291.411944][ T4615] Call trace: [ 291.412407][ T4615] dump_backtrace+0x0/0x43c [ 291.413086][ T4615] show_stack+0x2c/0x3c [ 291.413660][ T4615] __dump_stack+0x30/0x40 [ 291.414315][ T4615] dump_stack_lvl+0xf8/0x160 [ 291.414968][ T4615] dump_stack+0x1c/0x5c [ 291.415581][ T4615] sysfs_create_dir_ns+0x22c/0x24c [ 291.416471][ T4615] kobject_add_internal+0x590/0xc54 [ 291.417212][ T4615] kobject_init_and_add+0x118/0x17c [ 291.417974][ T4615] gfs2_sys_fs_add+0x1dc/0x3d8 [ 291.418704][ T4615] gfs2_fill_super+0xdac/0x19e0 [ 291.419455][ T4615] get_tree_bdev+0x358/0x544 [ 291.420281][ T4615] gfs2_get_tree+0x54/0x1b4 [ 291.421018][ T4615] vfs_get_tree+0x90/0x274 [ 291.421722][ T4615] do_new_mount+0x228/0x810 [ 291.422315][ T4615] path_mount+0x5b4/0x1000 [ 291.422982][ T4615] __arm64_sys_mount+0x514/0x5e4 [ 291.423788][ T4615] invoke_syscall+0x98/0x2b8 [ 291.424449][ T4615] el0_svc_common+0x138/0x258 [ 291.425170][ T4615] do_el0_svc+0x58/0x14c [ 291.425794][ T4615] el0_svc+0x78/0x1e0 [ 291.426325][ T4615] el0t_64_sync_handler+0xcc/0xe4 [ 291.427032][ T4615] el0t_64_sync+0x1a0/0x1a4 [ 291.431381][ T4615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 291.433457][ T4615] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:51 executed programs: 370 [ 291.709483][ T4616] loop1: detected capacity change from 0 to 32768 [ 291.759241][ T4616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 291.765502][ T4616] CPU: 1 PID: 4616 Comm: syz.1.385 Not tainted 5.15.189-syzkaller #0 [ 291.766670][ T4616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 291.768077][ T4616] Call trace: [ 291.768511][ T4616] dump_backtrace+0x0/0x43c [ 291.769183][ T4616] show_stack+0x2c/0x3c [ 291.769759][ T4616] __dump_stack+0x30/0x40 [ 291.770405][ T4616] dump_stack_lvl+0xf8/0x160 [ 291.771124][ T4616] dump_stack+0x1c/0x5c [ 291.771808][ T4616] sysfs_create_dir_ns+0x22c/0x24c [ 291.772688][ T4616] kobject_add_internal+0x590/0xc54 [ 291.773468][ T4616] kobject_init_and_add+0x118/0x17c [ 291.774229][ T4616] gfs2_sys_fs_add+0x1dc/0x3d8 [ 291.774996][ T4616] gfs2_fill_super+0xdac/0x19e0 [ 291.775660][ T4616] get_tree_bdev+0x358/0x544 [ 291.776404][ T4616] gfs2_get_tree+0x54/0x1b4 [ 291.777083][ T4616] vfs_get_tree+0x90/0x274 [ 291.777682][ T4616] do_new_mount+0x228/0x810 [ 291.778429][ T4616] path_mount+0x5b4/0x1000 [ 291.779143][ T4616] __arm64_sys_mount+0x514/0x5e4 [ 291.779902][ T4616] invoke_syscall+0x98/0x2b8 [ 291.780571][ T4616] el0_svc_common+0x138/0x258 [ 291.781420][ T4616] do_el0_svc+0x58/0x14c [ 291.782082][ T4616] el0_svc+0x78/0x1e0 [ 291.782730][ T4616] el0t_64_sync_handler+0xcc/0xe4 [ 291.783526][ T4616] el0t_64_sync+0x1a0/0x1a4 [ 291.788478][ T4616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 291.790402][ T4616] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 292.120754][ T4617] loop1: detected capacity change from 0 to 32768 [ 292.175068][ T4617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 292.176925][ T4617] CPU: 0 PID: 4617 Comm: syz.1.386 Not tainted 5.15.189-syzkaller #0 [ 292.178153][ T4617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 292.179665][ T4617] Call trace: [ 292.180242][ T4617] dump_backtrace+0x0/0x43c [ 292.180810][ T4617] show_stack+0x2c/0x3c [ 292.181440][ T4617] __dump_stack+0x30/0x40 [ 292.182138][ T4617] dump_stack_lvl+0xf8/0x160 [ 292.182799][ T4617] dump_stack+0x1c/0x5c [ 292.183393][ T4617] sysfs_create_dir_ns+0x22c/0x24c [ 292.184163][ T4617] kobject_add_internal+0x590/0xc54 [ 292.184905][ T4617] kobject_init_and_add+0x118/0x17c [ 292.185662][ T4617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 292.186508][ T4617] gfs2_fill_super+0xdac/0x19e0 [ 292.187373][ T4617] get_tree_bdev+0x358/0x544 [ 292.188057][ T4617] gfs2_get_tree+0x54/0x1b4 [ 292.188766][ T4617] vfs_get_tree+0x90/0x274 [ 292.189445][ T4617] do_new_mount+0x228/0x810 [ 292.190160][ T4617] path_mount+0x5b4/0x1000 [ 292.190886][ T4617] __arm64_sys_mount+0x514/0x5e4 [ 292.191664][ T4617] invoke_syscall+0x98/0x2b8 [ 292.192301][ T4617] el0_svc_common+0x138/0x258 [ 292.192977][ T4617] do_el0_svc+0x58/0x14c [ 292.193588][ T4617] el0_svc+0x78/0x1e0 [ 292.194218][ T4617] el0t_64_sync_handler+0xcc/0xe4 [ 292.195104][ T4617] el0t_64_sync+0x1a0/0x1a4 [ 292.197954][ T4617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 292.200251][ T4617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 292.467529][ T4618] loop1: detected capacity change from 0 to 32768 [ 292.518003][ T4618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 292.519194][ T4618] CPU: 0 PID: 4618 Comm: syz.1.387 Not tainted 5.15.189-syzkaller #0 [ 292.520398][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 292.521898][ T4618] Call trace: [ 292.522308][ T4618] dump_backtrace+0x0/0x43c [ 292.523003][ T4618] show_stack+0x2c/0x3c [ 292.523597][ T4618] __dump_stack+0x30/0x40 [ 292.524322][ T4618] dump_stack_lvl+0xf8/0x160 [ 292.524949][ T4618] dump_stack+0x1c/0x5c [ 292.525537][ T4618] sysfs_create_dir_ns+0x22c/0x24c [ 292.526347][ T4618] kobject_add_internal+0x590/0xc54 [ 292.527202][ T4618] kobject_init_and_add+0x118/0x17c [ 292.528068][ T4618] gfs2_sys_fs_add+0x1dc/0x3d8 [ 292.528764][ T4618] gfs2_fill_super+0xdac/0x19e0 [ 292.529484][ T4618] get_tree_bdev+0x358/0x544 [ 292.530162][ T4618] gfs2_get_tree+0x54/0x1b4 [ 292.530857][ T4618] vfs_get_tree+0x90/0x274 [ 292.531589][ T4618] do_new_mount+0x228/0x810 [ 292.532255][ T4618] path_mount+0x5b4/0x1000 [ 292.532906][ T4618] __arm64_sys_mount+0x514/0x5e4 [ 292.533715][ T4618] invoke_syscall+0x98/0x2b8 [ 292.534494][ T4618] el0_svc_common+0x138/0x258 [ 292.535287][ T4618] do_el0_svc+0x58/0x14c [ 292.535967][ T4618] el0_svc+0x78/0x1e0 [ 292.536575][ T4618] el0t_64_sync_handler+0xcc/0xe4 [ 292.537325][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 292.539325][ T4618] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 292.541222][ T4618] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 292.910630][ T4619] loop1: detected capacity change from 0 to 32768 [ 292.949307][ T4619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 292.950505][ T4619] CPU: 1 PID: 4619 Comm: syz.1.388 Not tainted 5.15.189-syzkaller #0 [ 292.951815][ T4619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 292.953264][ T4619] Call trace: [ 292.953681][ T4619] dump_backtrace+0x0/0x43c [ 292.954400][ T4619] show_stack+0x2c/0x3c [ 292.954968][ T4619] __dump_stack+0x30/0x40 [ 292.955684][ T4619] dump_stack_lvl+0xf8/0x160 [ 292.956403][ T4619] dump_stack+0x1c/0x5c [ 292.957145][ T4619] sysfs_create_dir_ns+0x22c/0x24c [ 292.957861][ T4619] kobject_add_internal+0x590/0xc54 [ 292.958739][ T4619] kobject_init_and_add+0x118/0x17c [ 292.959551][ T4619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 292.960289][ T4619] gfs2_fill_super+0xdac/0x19e0 [ 292.961001][ T4619] get_tree_bdev+0x358/0x544 [ 292.961761][ T4619] gfs2_get_tree+0x54/0x1b4 [ 292.962540][ T4619] vfs_get_tree+0x90/0x274 [ 292.963262][ T4619] do_new_mount+0x228/0x810 [ 292.964020][ T4619] path_mount+0x5b4/0x1000 [ 292.964624][ T4619] __arm64_sys_mount+0x514/0x5e4 [ 292.965415][ T4619] invoke_syscall+0x98/0x2b8 [ 292.966116][ T4619] el0_svc_common+0x138/0x258 [ 292.966823][ T4619] do_el0_svc+0x58/0x14c [ 292.967376][ T4619] el0_svc+0x78/0x1e0 [ 292.968001][ T4619] el0t_64_sync_handler+0xcc/0xe4 [ 292.968808][ T4619] el0t_64_sync+0x1a0/0x1a4 [ 292.970252][ T4619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 292.972154][ T4619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 293.243103][ T4620] loop1: detected capacity change from 0 to 32768 [ 293.286130][ T4620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 293.287303][ T4620] CPU: 1 PID: 4620 Comm: syz.1.389 Not tainted 5.15.189-syzkaller #0 [ 293.288468][ T4620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 293.289942][ T4620] Call trace: [ 293.290383][ T4620] dump_backtrace+0x0/0x43c [ 293.291032][ T4620] show_stack+0x2c/0x3c [ 293.291673][ T4620] __dump_stack+0x30/0x40 [ 293.292452][ T4620] dump_stack_lvl+0xf8/0x160 [ 293.293107][ T4620] dump_stack+0x1c/0x5c [ 293.293767][ T4620] sysfs_create_dir_ns+0x22c/0x24c [ 293.294474][ T4620] kobject_add_internal+0x590/0xc54 [ 293.295377][ T4620] kobject_init_and_add+0x118/0x17c [ 293.296137][ T4620] gfs2_sys_fs_add+0x1dc/0x3d8 [ 293.296853][ T4620] gfs2_fill_super+0xdac/0x19e0 [ 293.297549][ T4620] get_tree_bdev+0x358/0x544 [ 293.298260][ T4620] gfs2_get_tree+0x54/0x1b4 [ 293.298929][ T4620] vfs_get_tree+0x90/0x274 [ 293.299518][ T4620] do_new_mount+0x228/0x810 [ 293.300215][ T4620] path_mount+0x5b4/0x1000 [ 293.300829][ T4620] __arm64_sys_mount+0x514/0x5e4 [ 293.301651][ T4620] invoke_syscall+0x98/0x2b8 [ 293.302336][ T4620] el0_svc_common+0x138/0x258 [ 293.303041][ T4620] do_el0_svc+0x58/0x14c [ 293.303798][ T4620] el0_svc+0x78/0x1e0 [ 293.304425][ T4620] el0t_64_sync_handler+0xcc/0xe4 [ 293.305124][ T4620] el0t_64_sync+0x1a0/0x1a4 [ 293.308310][ T4620] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 293.310882][ T4620] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 293.584656][ T4621] loop1: detected capacity change from 0 to 32768 [ 293.597890][ T4621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 293.599185][ T4621] CPU: 1 PID: 4621 Comm: syz.1.390 Not tainted 5.15.189-syzkaller #0 [ 293.600372][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 293.601830][ T4621] Call trace: [ 293.602369][ T4621] dump_backtrace+0x0/0x43c [ 293.602999][ T4621] show_stack+0x2c/0x3c [ 293.603680][ T4621] __dump_stack+0x30/0x40 [ 293.604349][ T4621] dump_stack_lvl+0xf8/0x160 [ 293.604971][ T4621] dump_stack+0x1c/0x5c [ 293.605608][ T4621] sysfs_create_dir_ns+0x22c/0x24c [ 293.606566][ T4621] kobject_add_internal+0x590/0xc54 [ 293.607322][ T4621] kobject_init_and_add+0x118/0x17c [ 293.608115][ T4621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 293.608859][ T4621] gfs2_fill_super+0xdac/0x19e0 [ 293.609615][ T4621] get_tree_bdev+0x358/0x544 [ 293.610383][ T4621] gfs2_get_tree+0x54/0x1b4 [ 293.611011][ T4621] vfs_get_tree+0x90/0x274 [ 293.611780][ T4621] do_new_mount+0x228/0x810 [ 293.612471][ T4621] path_mount+0x5b4/0x1000 [ 293.613181][ T4621] __arm64_sys_mount+0x514/0x5e4 [ 293.613988][ T4621] invoke_syscall+0x98/0x2b8 [ 293.614785][ T4621] el0_svc_common+0x138/0x258 [ 293.615436][ T4621] do_el0_svc+0x58/0x14c [ 293.616002][ T4621] el0_svc+0x78/0x1e0 [ 293.616687][ T4621] el0t_64_sync_handler+0xcc/0xe4 [ 293.617443][ T4621] el0t_64_sync+0x1a0/0x1a4 [ 293.620848][ T4621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 293.622791][ T4621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 293.902983][ T4622] loop1: detected capacity change from 0 to 32768 [ 293.944825][ T4622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 293.946036][ T4622] CPU: 0 PID: 4622 Comm: syz.1.391 Not tainted 5.15.189-syzkaller #0 [ 293.947348][ T4622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 293.948803][ T4622] Call trace: [ 293.949348][ T4622] dump_backtrace+0x0/0x43c [ 293.950007][ T4622] show_stack+0x2c/0x3c [ 293.950597][ T4622] __dump_stack+0x30/0x40 [ 293.951289][ T4622] dump_stack_lvl+0xf8/0x160 [ 293.951952][ T4622] dump_stack+0x1c/0x5c [ 293.952504][ T4622] sysfs_create_dir_ns+0x22c/0x24c [ 293.953287][ T4622] kobject_add_internal+0x590/0xc54 [ 293.954192][ T4622] kobject_init_and_add+0x118/0x17c [ 293.954967][ T4622] gfs2_sys_fs_add+0x1dc/0x3d8 [ 293.955684][ T4622] gfs2_fill_super+0xdac/0x19e0 [ 293.956508][ T4622] get_tree_bdev+0x358/0x544 [ 293.957331][ T4622] gfs2_get_tree+0x54/0x1b4 [ 293.957954][ T4622] vfs_get_tree+0x90/0x274 [ 293.958686][ T4622] do_new_mount+0x228/0x810 [ 293.959295][ T4622] path_mount+0x5b4/0x1000 [ 293.959950][ T4622] __arm64_sys_mount+0x514/0x5e4 [ 293.960703][ T4622] invoke_syscall+0x98/0x2b8 [ 293.961420][ T4622] el0_svc_common+0x138/0x258 [ 293.962205][ T4622] do_el0_svc+0x58/0x14c [ 293.962936][ T4622] el0_svc+0x78/0x1e0 [ 293.963609][ T4622] el0t_64_sync_handler+0xcc/0xe4 [ 293.964413][ T4622] el0t_64_sync+0x1a0/0x1a4 [ 293.965444][ T4622] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 293.967264][ T4622] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 294.236166][ T4623] loop1: detected capacity change from 0 to 32768 [ 294.295520][ T4623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 294.296668][ T4623] CPU: 0 PID: 4623 Comm: syz.1.392 Not tainted 5.15.189-syzkaller #0 [ 294.297813][ T4623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 294.299305][ T4623] Call trace: [ 294.299758][ T4623] dump_backtrace+0x0/0x43c [ 294.300424][ T4623] show_stack+0x2c/0x3c [ 294.301034][ T4623] __dump_stack+0x30/0x40 [ 294.301683][ T4623] dump_stack_lvl+0xf8/0x160 [ 294.302375][ T4623] dump_stack+0x1c/0x5c [ 294.302994][ T4623] sysfs_create_dir_ns+0x22c/0x24c [ 294.303656][ T4623] kobject_add_internal+0x590/0xc54 [ 294.304378][ T4623] kobject_init_and_add+0x118/0x17c [ 294.305152][ T4623] gfs2_sys_fs_add+0x1dc/0x3d8 [ 294.305908][ T4623] gfs2_fill_super+0xdac/0x19e0 [ 294.306614][ T4623] get_tree_bdev+0x358/0x544 [ 294.307320][ T4623] gfs2_get_tree+0x54/0x1b4 [ 294.307985][ T4623] vfs_get_tree+0x90/0x274 [ 294.308798][ T4623] do_new_mount+0x228/0x810 [ 294.309457][ T4623] path_mount+0x5b4/0x1000 [ 294.310124][ T4623] __arm64_sys_mount+0x514/0x5e4 [ 294.310820][ T4623] invoke_syscall+0x98/0x2b8 [ 294.311606][ T4623] el0_svc_common+0x138/0x258 [ 294.312322][ T4623] do_el0_svc+0x58/0x14c [ 294.313034][ T4623] el0_svc+0x78/0x1e0 [ 294.313583][ T4623] el0t_64_sync_handler+0xcc/0xe4 [ 294.314421][ T4623] el0t_64_sync+0x1a0/0x1a4 [ 294.315194][ T4623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 294.318735][ T4623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 294.596524][ T4624] loop1: detected capacity change from 0 to 32768 [ 294.646917][ T4624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 294.648059][ T4624] CPU: 1 PID: 4624 Comm: syz.1.393 Not tainted 5.15.189-syzkaller #0 [ 294.649166][ T4624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 294.650639][ T4624] Call trace: [ 294.651091][ T4624] dump_backtrace+0x0/0x43c [ 294.651692][ T4624] show_stack+0x2c/0x3c [ 294.652220][ T4624] __dump_stack+0x30/0x40 [ 294.653145][ T4624] dump_stack_lvl+0xf8/0x160 [ 294.654013][ T4624] dump_stack+0x1c/0x5c [ 294.654628][ T4624] sysfs_create_dir_ns+0x22c/0x24c [ 294.655380][ T4624] kobject_add_internal+0x590/0xc54 [ 294.656196][ T4624] kobject_init_and_add+0x118/0x17c [ 294.657006][ T4624] gfs2_sys_fs_add+0x1dc/0x3d8 [ 294.657773][ T4624] gfs2_fill_super+0xdac/0x19e0 [ 294.658583][ T4624] get_tree_bdev+0x358/0x544 [ 294.659359][ T4624] gfs2_get_tree+0x54/0x1b4 [ 294.660102][ T4624] vfs_get_tree+0x90/0x274 [ 294.660764][ T4624] do_new_mount+0x228/0x810 [ 294.661442][ T4624] path_mount+0x5b4/0x1000 [ 294.662097][ T4624] __arm64_sys_mount+0x514/0x5e4 [ 294.662792][ T4624] invoke_syscall+0x98/0x2b8 [ 294.663461][ T4624] el0_svc_common+0x138/0x258 [ 294.664245][ T4624] do_el0_svc+0x58/0x14c [ 294.664824][ T4624] el0_svc+0x78/0x1e0 [ 294.665408][ T4624] el0t_64_sync_handler+0xcc/0xe4 [ 294.666200][ T4624] el0t_64_sync+0x1a0/0x1a4 [ 294.667033][ T4624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 294.668941][ T4624] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 294.945213][ T4625] loop1: detected capacity change from 0 to 32768 [ 295.006841][ T4625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 295.007934][ T4625] CPU: 1 PID: 4625 Comm: syz.1.394 Not tainted 5.15.189-syzkaller #0 [ 295.008996][ T4625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 295.010491][ T4625] Call trace: [ 295.011039][ T4625] dump_backtrace+0x0/0x43c [ 295.011715][ T4625] show_stack+0x2c/0x3c [ 295.012229][ T4625] __dump_stack+0x30/0x40 [ 295.012817][ T4625] dump_stack_lvl+0xf8/0x160 [ 295.013562][ T4625] dump_stack+0x1c/0x5c [ 295.014259][ T4625] sysfs_create_dir_ns+0x22c/0x24c [ 295.015013][ T4625] kobject_add_internal+0x590/0xc54 [ 295.015774][ T4625] kobject_init_and_add+0x118/0x17c [ 295.016574][ T4625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 295.017387][ T4625] gfs2_fill_super+0xdac/0x19e0 [ 295.018146][ T4625] get_tree_bdev+0x358/0x544 [ 295.018813][ T4625] gfs2_get_tree+0x54/0x1b4 [ 295.019457][ T4625] vfs_get_tree+0x90/0x274 [ 295.020055][ T4625] do_new_mount+0x228/0x810 [ 295.020698][ T4625] path_mount+0x5b4/0x1000 [ 295.021356][ T4625] __arm64_sys_mount+0x514/0x5e4 [ 295.022133][ T4625] invoke_syscall+0x98/0x2b8 [ 295.022885][ T4625] el0_svc_common+0x138/0x258 [ 295.023512][ T4625] do_el0_svc+0x58/0x14c [ 295.024156][ T4625] el0_svc+0x78/0x1e0 [ 295.024739][ T4625] el0t_64_sync_handler+0xcc/0xe4 [ 295.025549][ T4625] el0t_64_sync+0x1a0/0x1a4 [ 295.027223][ T4625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 295.029284][ T4625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 295.301664][ T4626] loop1: detected capacity change from 0 to 32768 [ 295.394417][ T4626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 295.395703][ T4626] CPU: 1 PID: 4626 Comm: syz.1.395 Not tainted 5.15.189-syzkaller #0 [ 295.396858][ T4626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 295.398371][ T4626] Call trace: [ 295.398833][ T4626] dump_backtrace+0x0/0x43c [ 295.399422][ T4626] show_stack+0x2c/0x3c [ 295.400022][ T4626] __dump_stack+0x30/0x40 [ 295.400571][ T4626] dump_stack_lvl+0xf8/0x160 [ 295.401146][ T4626] dump_stack+0x1c/0x5c [ 295.401858][ T4626] sysfs_create_dir_ns+0x22c/0x24c [ 295.402660][ T4626] kobject_add_internal+0x590/0xc54 [ 295.403449][ T4626] kobject_init_and_add+0x118/0x17c [ 295.404422][ T4626] gfs2_sys_fs_add+0x1dc/0x3d8 [ 295.405105][ T4626] gfs2_fill_super+0xdac/0x19e0 [ 295.405791][ T4626] get_tree_bdev+0x358/0x544 [ 295.406475][ T4626] gfs2_get_tree+0x54/0x1b4 [ 295.407248][ T4626] vfs_get_tree+0x90/0x274 [ 295.407918][ T4626] do_new_mount+0x228/0x810 [ 295.408668][ T4626] path_mount+0x5b4/0x1000 [ 295.409465][ T4626] __arm64_sys_mount+0x514/0x5e4 [ 295.410367][ T4626] invoke_syscall+0x98/0x2b8 [ 295.411135][ T4626] el0_svc_common+0x138/0x258 [ 295.411771][ T4626] do_el0_svc+0x58/0x14c [ 295.412411][ T4626] el0_svc+0x78/0x1e0 [ 295.413121][ T4626] el0t_64_sync_handler+0xcc/0xe4 [ 295.413899][ T4626] el0t_64_sync+0x1a0/0x1a4 [ 295.415061][ T4626] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 295.417753][ T4626] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 295.685001][ T4627] loop1: detected capacity change from 0 to 32768 [ 295.745776][ T4627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 295.746998][ T4627] CPU: 1 PID: 4627 Comm: syz.1.396 Not tainted 5.15.189-syzkaller #0 [ 295.748210][ T4627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 295.749605][ T4627] Call trace: [ 295.750086][ T4627] dump_backtrace+0x0/0x43c [ 295.750770][ T4627] show_stack+0x2c/0x3c [ 295.751448][ T4627] __dump_stack+0x30/0x40 [ 295.752100][ T4627] dump_stack_lvl+0xf8/0x160 [ 295.752649][ T4627] dump_stack+0x1c/0x5c [ 295.753301][ T4627] sysfs_create_dir_ns+0x22c/0x24c [ 295.753978][ T4627] kobject_add_internal+0x590/0xc54 [ 295.754635][ T4627] kobject_init_and_add+0x118/0x17c [ 295.755458][ T4627] gfs2_sys_fs_add+0x1dc/0x3d8 [ 295.756187][ T4627] gfs2_fill_super+0xdac/0x19e0 [ 295.757027][ T4627] get_tree_bdev+0x358/0x544 [ 295.757679][ T4627] gfs2_get_tree+0x54/0x1b4 [ 295.758386][ T4627] vfs_get_tree+0x90/0x274 [ 295.759089][ T4627] do_new_mount+0x228/0x810 [ 295.759857][ T4627] path_mount+0x5b4/0x1000 [ 295.760522][ T4627] __arm64_sys_mount+0x514/0x5e4 [ 295.761281][ T4627] invoke_syscall+0x98/0x2b8 [ 295.761984][ T4627] el0_svc_common+0x138/0x258 [ 295.762617][ T4627] do_el0_svc+0x58/0x14c [ 295.763333][ T4627] el0_svc+0x78/0x1e0 [ 295.763953][ T4627] el0t_64_sync_handler+0xcc/0xe4 [ 295.764786][ T4627] el0t_64_sync+0x1a0/0x1a4 [ 295.765716][ T4627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 295.767976][ T4627] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 296.043140][ T4628] loop1: detected capacity change from 0 to 32768 [ 296.080715][ T4628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 296.082058][ T4628] CPU: 0 PID: 4628 Comm: syz.1.397 Not tainted 5.15.189-syzkaller #0 [ 296.083331][ T4628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 296.084809][ T4628] Call trace: [ 296.085231][ T4628] dump_backtrace+0x0/0x43c [ 296.086027][ T4628] show_stack+0x2c/0x3c [ 296.086584][ T4628] __dump_stack+0x30/0x40 [ 296.087293][ T4628] dump_stack_lvl+0xf8/0x160 [ 296.087885][ T4628] dump_stack+0x1c/0x5c [ 296.088539][ T4628] sysfs_create_dir_ns+0x22c/0x24c [ 296.089283][ T4628] kobject_add_internal+0x590/0xc54 [ 296.090067][ T4628] kobject_init_and_add+0x118/0x17c [ 296.090877][ T4628] gfs2_sys_fs_add+0x1dc/0x3d8 [ 296.091585][ T4628] gfs2_fill_super+0xdac/0x19e0 [ 296.092390][ T4628] get_tree_bdev+0x358/0x544 [ 296.093025][ T4628] gfs2_get_tree+0x54/0x1b4 [ 296.093704][ T4628] vfs_get_tree+0x90/0x274 [ 296.094374][ T4628] do_new_mount+0x228/0x810 [ 296.095094][ T4628] path_mount+0x5b4/0x1000 [ 296.095712][ T4628] __arm64_sys_mount+0x514/0x5e4 [ 296.096445][ T4628] invoke_syscall+0x98/0x2b8 [ 296.097124][ T4628] el0_svc_common+0x138/0x258 [ 296.097807][ T4628] do_el0_svc+0x58/0x14c [ 296.098476][ T4628] el0_svc+0x78/0x1e0 [ 296.099047][ T4628] el0t_64_sync_handler+0xcc/0xe4 [ 296.099838][ T4628] el0t_64_sync+0x1a0/0x1a4 [ 296.102666][ T4628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 296.104575][ T4628] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 296.386676][ T4629] loop1: detected capacity change from 0 to 32768 [ 296.449434][ T4629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 296.450694][ T4629] CPU: 0 PID: 4629 Comm: syz.1.398 Not tainted 5.15.189-syzkaller #0 [ 296.451993][ T4629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 296.453600][ T4629] Call trace: [ 296.454141][ T4629] dump_backtrace+0x0/0x43c [ 296.454925][ T4629] show_stack+0x2c/0x3c [ 296.455538][ T4629] __dump_stack+0x30/0x40 [ 296.456206][ T4629] dump_stack_lvl+0xf8/0x160 [ 296.457000][ T4629] dump_stack+0x1c/0x5c [ 296.457682][ T4629] sysfs_create_dir_ns+0x22c/0x24c [ 296.458359][ T4629] kobject_add_internal+0x590/0xc54 [ 296.459216][ T4629] kobject_init_and_add+0x118/0x17c [ 296.460028][ T4629] gfs2_sys_fs_add+0x1dc/0x3d8 [ 296.460794][ T4629] gfs2_fill_super+0xdac/0x19e0 [ 296.461533][ T4629] get_tree_bdev+0x358/0x544 [ 296.462259][ T4629] gfs2_get_tree+0x54/0x1b4 [ 296.463038][ T4629] vfs_get_tree+0x90/0x274 [ 296.463639][ T4629] do_new_mount+0x228/0x810 [ 296.464378][ T4629] path_mount+0x5b4/0x1000 [ 296.465093][ T4629] __arm64_sys_mount+0x514/0x5e4 [ 296.465808][ T4629] invoke_syscall+0x98/0x2b8 [ 296.466500][ T4629] el0_svc_common+0x138/0x258 [ 296.467149][ T4629] do_el0_svc+0x58/0x14c [ 296.467915][ T4629] el0_svc+0x78/0x1e0 [ 296.468640][ T4629] el0t_64_sync_handler+0xcc/0xe4 [ 296.469449][ T4629] el0t_64_sync+0x1a0/0x1a4 [ 296.471635][ T4629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 296.473455][ T4629] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:56 executed programs: 384 [ 296.751523][ T4630] loop1: detected capacity change from 0 to 32768 [ 296.773504][ T4630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 296.774630][ T4630] CPU: 0 PID: 4630 Comm: syz.1.399 Not tainted 5.15.189-syzkaller #0 [ 296.775861][ T4630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 296.777355][ T4630] Call trace: [ 296.777867][ T4630] dump_backtrace+0x0/0x43c [ 296.778561][ T4630] show_stack+0x2c/0x3c [ 296.779219][ T4630] __dump_stack+0x30/0x40 [ 296.779889][ T4630] dump_stack_lvl+0xf8/0x160 [ 296.780585][ T4630] dump_stack+0x1c/0x5c [ 296.781263][ T4630] sysfs_create_dir_ns+0x22c/0x24c [ 296.782106][ T4630] kobject_add_internal+0x590/0xc54 [ 296.782840][ T4630] kobject_init_and_add+0x118/0x17c [ 296.783692][ T4630] gfs2_sys_fs_add+0x1dc/0x3d8 [ 296.784484][ T4630] gfs2_fill_super+0xdac/0x19e0 [ 296.785143][ T4630] get_tree_bdev+0x358/0x544 [ 296.785781][ T4630] gfs2_get_tree+0x54/0x1b4 [ 296.786409][ T4630] vfs_get_tree+0x90/0x274 [ 296.787149][ T4630] do_new_mount+0x228/0x810 [ 296.787843][ T4630] path_mount+0x5b4/0x1000 [ 296.788503][ T4630] __arm64_sys_mount+0x514/0x5e4 [ 296.789350][ T4630] invoke_syscall+0x98/0x2b8 [ 296.790124][ T4630] el0_svc_common+0x138/0x258 [ 296.790789][ T4630] do_el0_svc+0x58/0x14c [ 296.791427][ T4630] el0_svc+0x78/0x1e0 [ 296.792021][ T4630] el0t_64_sync_handler+0xcc/0xe4 [ 296.792873][ T4630] el0t_64_sync+0x1a0/0x1a4 [ 296.797414][ T4630] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 296.799339][ T4630] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 297.129921][ T4631] loop1: detected capacity change from 0 to 32768 [ 297.223960][ T4631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 297.225498][ T4631] CPU: 0 PID: 4631 Comm: syz.1.400 Not tainted 5.15.189-syzkaller #0 [ 297.226839][ T4631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 297.228280][ T4631] Call trace: [ 297.228717][ T4631] dump_backtrace+0x0/0x43c [ 297.229256][ T4631] show_stack+0x2c/0x3c [ 297.229804][ T4631] __dump_stack+0x30/0x40 [ 297.230342][ T4631] dump_stack_lvl+0xf8/0x160 [ 297.231070][ T4631] dump_stack+0x1c/0x5c [ 297.231601][ T4631] sysfs_create_dir_ns+0x22c/0x24c [ 297.232339][ T4631] kobject_add_internal+0x590/0xc54 [ 297.233224][ T4631] kobject_init_and_add+0x118/0x17c [ 297.234049][ T4631] gfs2_sys_fs_add+0x1dc/0x3d8 [ 297.234779][ T4631] gfs2_fill_super+0xdac/0x19e0 [ 297.235384][ T4631] get_tree_bdev+0x358/0x544 [ 297.236147][ T4631] gfs2_get_tree+0x54/0x1b4 [ 297.236845][ T4631] vfs_get_tree+0x90/0x274 [ 297.237475][ T4631] do_new_mount+0x228/0x810 [ 297.238240][ T4631] path_mount+0x5b4/0x1000 [ 297.238824][ T4631] __arm64_sys_mount+0x514/0x5e4 [ 297.239481][ T4631] invoke_syscall+0x98/0x2b8 [ 297.240321][ T4631] el0_svc_common+0x138/0x258 [ 297.240988][ T4631] do_el0_svc+0x58/0x14c [ 297.241611][ T4631] el0_svc+0x78/0x1e0 [ 297.242145][ T4631] el0t_64_sync_handler+0xcc/0xe4 [ 297.242968][ T4631] el0t_64_sync+0x1a0/0x1a4 [ 297.245650][ T4631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 297.247587][ T4631] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 297.509220][ T4632] loop1: detected capacity change from 0 to 32768 [ 297.570267][ T4632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 297.571865][ T4632] CPU: 1 PID: 4632 Comm: syz.1.401 Not tainted 5.15.189-syzkaller #0 [ 297.573272][ T4632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 297.574812][ T4632] Call trace: [ 297.575380][ T4632] dump_backtrace+0x0/0x43c [ 297.576086][ T4632] show_stack+0x2c/0x3c [ 297.576636][ T4632] __dump_stack+0x30/0x40 [ 297.577300][ T4632] dump_stack_lvl+0xf8/0x160 [ 297.578017][ T4632] dump_stack+0x1c/0x5c [ 297.578654][ T4632] sysfs_create_dir_ns+0x22c/0x24c [ 297.579453][ T4632] kobject_add_internal+0x590/0xc54 [ 297.580244][ T4632] kobject_init_and_add+0x118/0x17c [ 297.581014][ T4632] gfs2_sys_fs_add+0x1dc/0x3d8 [ 297.581763][ T4632] gfs2_fill_super+0xdac/0x19e0 [ 297.582496][ T4632] get_tree_bdev+0x358/0x544 [ 297.583167][ T4632] gfs2_get_tree+0x54/0x1b4 [ 297.583883][ T4632] vfs_get_tree+0x90/0x274 [ 297.584635][ T4632] do_new_mount+0x228/0x810 [ 297.585337][ T4632] path_mount+0x5b4/0x1000 [ 297.585932][ T4632] __arm64_sys_mount+0x514/0x5e4 [ 297.586780][ T4632] invoke_syscall+0x98/0x2b8 [ 297.587506][ T4632] el0_svc_common+0x138/0x258 [ 297.588422][ T4632] do_el0_svc+0x58/0x14c [ 297.589027][ T4632] el0_svc+0x78/0x1e0 [ 297.589606][ T4632] el0t_64_sync_handler+0xcc/0xe4 [ 297.590411][ T4632] el0t_64_sync+0x1a0/0x1a4 [ 297.593819][ T4632] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 297.595772][ T4632] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 297.874115][ T4633] loop1: detected capacity change from 0 to 32768 [ 297.907545][ T4633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 297.909256][ T4633] CPU: 0 PID: 4633 Comm: syz.1.402 Not tainted 5.15.189-syzkaller #0 [ 297.910561][ T4633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 297.912030][ T4633] Call trace: [ 297.912529][ T4633] dump_backtrace+0x0/0x43c [ 297.913181][ T4633] show_stack+0x2c/0x3c [ 297.913848][ T4633] __dump_stack+0x30/0x40 [ 297.914463][ T4633] dump_stack_lvl+0xf8/0x160 [ 297.915203][ T4633] dump_stack+0x1c/0x5c [ 297.916025][ T4633] sysfs_create_dir_ns+0x22c/0x24c [ 297.916854][ T4633] kobject_add_internal+0x590/0xc54 [ 297.917691][ T4633] kobject_init_and_add+0x118/0x17c [ 297.918575][ T4633] gfs2_sys_fs_add+0x1dc/0x3d8 [ 297.919321][ T4633] gfs2_fill_super+0xdac/0x19e0 [ 297.920051][ T4633] get_tree_bdev+0x358/0x544 [ 297.920702][ T4633] gfs2_get_tree+0x54/0x1b4 [ 297.921391][ T4633] vfs_get_tree+0x90/0x274 [ 297.922085][ T4633] do_new_mount+0x228/0x810 [ 297.922742][ T4633] path_mount+0x5b4/0x1000 [ 297.923372][ T4633] __arm64_sys_mount+0x514/0x5e4 [ 297.924132][ T4633] invoke_syscall+0x98/0x2b8 [ 297.924897][ T4633] el0_svc_common+0x138/0x258 [ 297.925569][ T4633] do_el0_svc+0x58/0x14c [ 297.926182][ T4633] el0_svc+0x78/0x1e0 [ 297.926864][ T4633] el0t_64_sync_handler+0xcc/0xe4 [ 297.927564][ T4633] el0t_64_sync+0x1a0/0x1a4 [ 297.936438][ T4633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 297.938475][ T4633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 298.211506][ T4634] loop1: detected capacity change from 0 to 32768 [ 298.255922][ T4634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 298.256999][ T4634] CPU: 1 PID: 4634 Comm: syz.1.403 Not tainted 5.15.189-syzkaller #0 [ 298.258231][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 298.259713][ T4634] Call trace: [ 298.260190][ T4634] dump_backtrace+0x0/0x43c [ 298.260815][ T4634] show_stack+0x2c/0x3c [ 298.261406][ T4634] __dump_stack+0x30/0x40 [ 298.261934][ T4634] dump_stack_lvl+0xf8/0x160 [ 298.262634][ T4634] dump_stack+0x1c/0x5c [ 298.263257][ T4634] sysfs_create_dir_ns+0x22c/0x24c [ 298.264042][ T4634] kobject_add_internal+0x590/0xc54 [ 298.265004][ T4634] kobject_init_and_add+0x118/0x17c [ 298.265788][ T4634] gfs2_sys_fs_add+0x1dc/0x3d8 [ 298.266604][ T4634] gfs2_fill_super+0xdac/0x19e0 [ 298.267560][ T4634] get_tree_bdev+0x358/0x544 [ 298.268327][ T4634] gfs2_get_tree+0x54/0x1b4 [ 298.269035][ T4634] vfs_get_tree+0x90/0x274 [ 298.269760][ T4634] do_new_mount+0x228/0x810 [ 298.270493][ T4634] path_mount+0x5b4/0x1000 [ 298.271159][ T4634] __arm64_sys_mount+0x514/0x5e4 [ 298.271929][ T4634] invoke_syscall+0x98/0x2b8 [ 298.272706][ T4634] el0_svc_common+0x138/0x258 [ 298.273428][ T4634] do_el0_svc+0x58/0x14c [ 298.274059][ T4634] el0_svc+0x78/0x1e0 [ 298.274727][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 298.275449][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 298.278243][ T4634] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 298.280201][ T4634] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 298.549502][ T4635] loop1: detected capacity change from 0 to 32768 [ 298.598987][ T4635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 298.600166][ T4635] CPU: 0 PID: 4635 Comm: syz.1.404 Not tainted 5.15.189-syzkaller #0 [ 298.601534][ T4635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 298.602935][ T4635] Call trace: [ 298.603430][ T4635] dump_backtrace+0x0/0x43c [ 298.604044][ T4635] show_stack+0x2c/0x3c [ 298.604684][ T4635] __dump_stack+0x30/0x40 [ 298.605423][ T4635] dump_stack_lvl+0xf8/0x160 [ 298.606155][ T4635] dump_stack+0x1c/0x5c [ 298.606775][ T4635] sysfs_create_dir_ns+0x22c/0x24c [ 298.607537][ T4635] kobject_add_internal+0x590/0xc54 [ 298.608450][ T4635] kobject_init_and_add+0x118/0x17c [ 298.609317][ T4635] gfs2_sys_fs_add+0x1dc/0x3d8 [ 298.609983][ T4635] gfs2_fill_super+0xdac/0x19e0 [ 298.610654][ T4635] get_tree_bdev+0x358/0x544 [ 298.611421][ T4635] gfs2_get_tree+0x54/0x1b4 [ 298.612045][ T4635] vfs_get_tree+0x90/0x274 [ 298.612754][ T4635] do_new_mount+0x228/0x810 [ 298.613376][ T4635] path_mount+0x5b4/0x1000 [ 298.614023][ T4635] __arm64_sys_mount+0x514/0x5e4 [ 298.614780][ T4635] invoke_syscall+0x98/0x2b8 [ 298.615581][ T4635] el0_svc_common+0x138/0x258 [ 298.616342][ T4635] do_el0_svc+0x58/0x14c [ 298.617023][ T4635] el0_svc+0x78/0x1e0 [ 298.617632][ T4635] el0t_64_sync_handler+0xcc/0xe4 [ 298.618306][ T4635] el0t_64_sync+0x1a0/0x1a4 [ 298.621180][ T4635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 298.623002][ T4635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 298.755574][ T27] INFO: task kworker/1:14:4179 blocked for more than 143 seconds. [ 298.756987][ T27] Not tainted 5.15.189-syzkaller #0 [ 298.757875][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 298.759076][ T27] task:kworker/1:14 state:D stack: 0 pid: 4179 ppid: 2 flags:0x00000008 [ 298.760558][ T27] Workqueue: gfs_recovery gfs2_recover_func [ 298.761429][ T27] Call trace: [ 298.761960][ T27] __switch_to+0x2f4/0x558 [ 298.762610][ T27] __schedule+0xe00/0x1c0c [ 298.763219][ T27] schedule+0x11c/0x1c8 [ 298.763746][ T27] io_schedule+0x84/0x160 [ 298.764424][ T27] wait_on_page_bit_common+0x61c/0xa74 [ 298.765162][ T27] wait_on_page_bit+0x58/0x68 [ 298.769473][ T27] gfs2_jhead_process_page+0x1e0/0x698 [ 298.770263][ T27] gfs2_find_jhead+0xb6c/0xca8 [ 298.770961][ T27] gfs2_recover_func+0x500/0x157c [ 298.771698][ T27] process_one_work+0x79c/0x1140 [ 298.772399][ T27] worker_thread+0x8f4/0x101c [ 298.773120][ T27] kthread+0x374/0x454 [ 298.773673][ T27] ret_from_fork+0x10/0x20 [ 298.774408][ T27] INFO: task syz.0.17:4215 blocked for more than 143 seconds. [ 298.776256][ T27] Not tainted 5.15.189-syzkaller #0 [ 298.777048][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 298.778277][ T27] task:syz.0.17 state:D stack: 0 pid: 4215 ppid: 4149 flags:0x00000009 [ 298.779703][ T27] Call trace: [ 298.780155][ T27] __switch_to+0x2f4/0x558 [ 298.780769][ T27] __schedule+0xe00/0x1c0c [ 298.781430][ T27] schedule+0x11c/0x1c8 [ 298.782123][ T27] bit_wait+0x1c/0xac [ 298.782673][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 298.783456][ T27] gfs2_recover_journal+0xf0/0x16c [ 298.784239][ T27] init_journal+0x133c/0x1d7c [ 298.785063][ T27] init_inodes+0xe0/0x2d4 [ 298.789204][ T27] gfs2_fill_super+0x121c/0x19e0 [ 298.790205][ T27] get_tree_bdev+0x358/0x544 [ 298.790927][ T27] gfs2_get_tree+0x54/0x1b4 [ 298.791587][ T27] vfs_get_tree+0x90/0x274 [ 298.792240][ T27] do_new_mount+0x228/0x810 [ 298.792982][ T27] path_mount+0x5b4/0x1000 [ 298.793669][ T27] __arm64_sys_mount+0x514/0x5e4 [ 298.794323][ T27] invoke_syscall+0x98/0x2b8 [ 298.794957][ T27] el0_svc_common+0x138/0x258 [ 298.796367][ T27] do_el0_svc+0x58/0x14c [ 298.797004][ T27] el0_svc+0x78/0x1e0 [ 298.797568][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 298.798468][ T27] el0t_64_sync+0x1a0/0x1a4 [ 298.799263][ T27] [ 298.799263][ T27] Showing all locks held in the system: [ 298.800551][ T27] 1 lock held by khungtaskd/27: [ 298.801304][ T27] #0: ffff800014341360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 298.802561][ T27] 2 locks held by getty/3799: [ 298.803287][ T27] #0: ffff0000d47d9098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 298.804704][ T27] #1: ffff80001bd5b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 298.809742][ T27] 2 locks held by kworker/1:14/4179: [ 298.810509][ T27] #0: ffff0000c6bfbd38 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 298.812270][ T27] #1: ffff80001fc27c00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 298.813920][ T27] 1 lock held by syz.0.17/4215: [ 298.814613][ T27] #0: ffff0000d6b260e0 (&type->s_umount_key#51/1){+.+.}-{3:3}, at: alloc_super+0x1a8/0x824 [ 298.816726][ T27] 2 locks held by syz.1.405/4636: [ 298.817453][ T27] [ 298.817797][ T27] ============================================= [ 298.817797][ T27] [ 298.819218][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 298.820197][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0 [ 298.821398][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 298.822976][ T27] Call trace: [ 298.823481][ T27] dump_backtrace+0x0/0x43c [ 298.824261][ T27] show_stack+0x2c/0x3c [ 298.824910][ T27] __dump_stack+0x30/0x40 [ 298.825505][ T27] dump_stack_lvl+0xf8/0x160 [ 298.826246][ T27] dump_stack+0x1c/0x5c [ 298.826839][ T27] panic+0x2e4/0x854 [ 298.827454][ T27] hung_task_panic+0x0/0x2c [ 298.828183][ T27] kthread+0x374/0x454 [ 298.828771][ T27] ret_from_fork+0x10/0x20 [ 298.829401][ T27] SMP: stopping secondary CPUs [ 298.830114][ T27] Kernel Offset: disabled [ 298.830814][ T27] CPU features: 0x8,000081c1,21302e40 [ 298.831602][ T27] Memory Limit: none [ 299.519043][ T27] Rebooting in 86400 seconds..