sysfs_create_dir_ns+0x22c/0x24c [ 203.327509][ T6556] kobject_add_internal+0x590/0xc54 [ 203.328327][ T6556] kobject_init_and_add+0x118/0x17c [ 203.329104][ T6556] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.329830][ T6556] gfs2_fill_super+0xdac/0x19e0 [ 203.330578][ T6556] get_tree_bdev+0x358/0x544 [ 203.331260][ T6556] gfs2_get_tree+0x54/0x1b4 [ 203.331965][ T6556] vfs_get_tree+0x90/0x274 [ 203.332625][ T6556] do_new_mount+0x228/0x810 [ 203.333364][ T6556] path_mount+0x5b4/0x1000 [ 203.333998][ T6556] __arm64_sys_mount+0x514/0x5e4 [ 203.334737][ T6556] invoke_syscall+0x98/0x2b8 [ 203.335426][ T6556] el0_svc_common+0x138/0x258 [ 203.336093][ T6556] do_el0_svc+0x58/0x14c [ 203.336758][ T6556] el0_svc+0x78/0x1e0 [ 203.337332][ T6556] el0t_64_sync_handler+0xcc/0xe4 [ 203.338050][ T6556] el0t_64_sync+0x1a0/0x1a4 [ 203.338854][ T6556] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.341219][ T6556] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 203.469863][ T6559] loop1: detected capacity change from 0 to 32768 [ 203.556229][ T6559] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 203.557569][ T6559] CPU: 0 PID: 6559 Comm: syz.1.541 Not tainted syzkaller #0 [ 203.558631][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 203.560023][ T6559] Call trace: [ 203.560449][ T6559] dump_backtrace+0x0/0x43c [ 203.561124][ T6559] show_stack+0x2c/0x3c [ 203.561762][ T6559] __dump_stack+0x30/0x40 [ 203.562441][ T6559] dump_stack_lvl+0xf8/0x160 [ 203.563104][ T6559] dump_stack+0x1c/0x5c [ 203.563720][ T6559] sysfs_create_dir_ns+0x22c/0x24c [ 203.564432][ T6559] kobject_add_internal+0x590/0xc54 [ 203.565142][ T6559] kobject_init_and_add+0x118/0x17c [ 203.565871][ T6559] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.566520][ T6559] gfs2_fill_super+0xdac/0x19e0 [ 203.567218][ T6559] get_tree_bdev+0x358/0x544 [ 203.567857][ T6559] gfs2_get_tree+0x54/0x1b4 [ 203.568497][ T6559] vfs_get_tree+0x90/0x274 [ 203.569204][ T6559] do_new_mount+0x228/0x810 [ 203.569827][ T6559] path_mount+0x5b4/0x1000 [ 203.570401][ T6559] __arm64_sys_mount+0x514/0x5e4 [ 203.571108][ T6559] invoke_syscall+0x98/0x2b8 [ 203.571745][ T6559] el0_svc_common+0x138/0x258 [ 203.572430][ T6559] do_el0_svc+0x58/0x14c [ 203.573023][ T6559] el0_svc+0x78/0x1e0 [ 203.573591][ T6559] el0t_64_sync_handler+0xcc/0xe4 [ 203.574234][ T6559] el0t_64_sync+0x1a0/0x1a4 [ 203.576778][ T6559] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.578687][ T6559] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 203.713823][ T6562] loop1: detected capacity change from 0 to 32768 [ 203.720297][ T6562] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 203.721568][ T6562] CPU: 1 PID: 6562 Comm: syz.1.542 Not tainted syzkaller #0 [ 203.722801][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 203.724410][ T6562] Call trace: [ 203.724887][ T6562] dump_backtrace+0x0/0x43c [ 203.725573][ T6562] show_stack+0x2c/0x3c [ 203.726184][ T6562] __dump_stack+0x30/0x40 [ 203.726795][ T6562] dump_stack_lvl+0xf8/0x160 [ 203.727445][ T6562] dump_stack+0x1c/0x5c [ 203.728156][ T6562] sysfs_create_dir_ns+0x22c/0x24c [ 203.728981][ T6562] kobject_add_internal+0x590/0xc54 [ 203.729736][ T6562] kobject_init_and_add+0x118/0x17c [ 203.730528][ T6562] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.731210][ T6562] gfs2_fill_super+0xdac/0x19e0 [ 203.731928][ T6562] get_tree_bdev+0x358/0x544 [ 203.732568][ T6562] gfs2_get_tree+0x54/0x1b4 [ 203.733180][ T6562] vfs_get_tree+0x90/0x274 [ 203.733842][ T6562] do_new_mount+0x228/0x810 [ 203.734514][ T6562] path_mount+0x5b4/0x1000 [ 203.735069][ T6562] __arm64_sys_mount+0x514/0x5e4 [ 203.735735][ T6562] invoke_syscall+0x98/0x2b8 [ 203.736353][ T6562] el0_svc_common+0x138/0x258 [ 203.737002][ T6562] do_el0_svc+0x58/0x14c [ 203.737628][ T6562] el0_svc+0x78/0x1e0 [ 203.738166][ T6562] el0t_64_sync_handler+0xcc/0xe4 [ 203.738890][ T6562] el0t_64_sync+0x1a0/0x1a4 [ 203.739972][ T6562] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.742004][ T6562] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 203.880347][ T6565] loop1: detected capacity change from 0 to 32768 [ 203.884707][ T6565] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 203.885905][ T6565] CPU: 0 PID: 6565 Comm: syz.1.543 Not tainted syzkaller #0 [ 203.886974][ T6565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 203.888353][ T6565] Call trace: [ 203.888772][ T6565] dump_backtrace+0x0/0x43c [ 203.889398][ T6565] show_stack+0x2c/0x3c [ 203.889967][ T6565] __dump_stack+0x30/0x40 [ 203.890565][ T6565] dump_stack_lvl+0xf8/0x160 [ 203.891250][ T6565] dump_stack+0x1c/0x5c [ 203.891841][ T6565] sysfs_create_dir_ns+0x22c/0x24c [ 203.892523][ T6565] kobject_add_internal+0x590/0xc54 [ 203.893185][ T6565] kobject_init_and_add+0x118/0x17c [ 203.893897][ T6565] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.894567][ T6565] gfs2_fill_super+0xdac/0x19e0 [ 203.895236][ T6565] get_tree_bdev+0x358/0x544 [ 203.895873][ T6565] gfs2_get_tree+0x54/0x1b4 [ 203.896475][ T6565] vfs_get_tree+0x90/0x274 [ 203.897250][ T6565] do_new_mount+0x228/0x810 [ 203.897936][ T6565] path_mount+0x5b4/0x1000 [ 203.898617][ T6565] __arm64_sys_mount+0x514/0x5e4 [ 203.899366][ T6565] invoke_syscall+0x98/0x2b8 [ 203.900043][ T6565] el0_svc_common+0x138/0x258 [ 203.900716][ T6565] do_el0_svc+0x58/0x14c [ 203.901329][ T6565] el0_svc+0x78/0x1e0 [ 203.901894][ T6565] el0t_64_sync_handler+0xcc/0xe4 [ 203.902553][ T6565] el0t_64_sync+0x1a0/0x1a4 [ 203.906220][ T6565] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.908146][ T6565] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 204.039304][ T6568] loop1: detected capacity change from 0 to 32768 [ 204.075349][ T6568] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.076604][ T6568] CPU: 0 PID: 6568 Comm: syz.1.544 Not tainted syzkaller #0 [ 204.077765][ T6568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.079321][ T6568] Call trace: [ 204.079850][ T6568] dump_backtrace+0x0/0x43c [ 204.080594][ T6568] show_stack+0x2c/0x3c [ 204.081207][ T6568] __dump_stack+0x30/0x40 [ 204.081811][ T6568] dump_stack_lvl+0xf8/0x160 [ 204.082636][ T6568] dump_stack+0x1c/0x5c [ 204.083237][ T6568] sysfs_create_dir_ns+0x22c/0x24c [ 204.083965][ T6568] kobject_add_internal+0x590/0xc54 [ 204.084711][ T6568] kobject_init_and_add+0x118/0x17c [ 204.085450][ T6568] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.086116][ T6568] gfs2_fill_super+0xdac/0x19e0 [ 204.086780][ T6568] get_tree_bdev+0x358/0x544 [ 204.087397][ T6568] gfs2_get_tree+0x54/0x1b4 [ 204.088035][ T6568] vfs_get_tree+0x90/0x274 [ 204.088698][ T6568] do_new_mount+0x228/0x810 [ 204.089315][ T6568] path_mount+0x5b4/0x1000 [ 204.089909][ T6568] __arm64_sys_mount+0x514/0x5e4 [ 204.090628][ T6568] invoke_syscall+0x98/0x2b8 [ 204.091268][ T6568] el0_svc_common+0x138/0x258 [ 204.091929][ T6568] do_el0_svc+0x58/0x14c [ 204.092517][ T6568] el0_svc+0x78/0x1e0 [ 204.093069][ T6568] el0t_64_sync_handler+0xcc/0xe4 [ 204.093725][ T6568] el0t_64_sync+0x1a0/0x1a4 [ 204.095121][ T6568] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.096954][ T6568] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 204.268972][ T6571] loop1: detected capacity change from 0 to 32768 [ 204.346071][ T6571] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.347335][ T6571] CPU: 0 PID: 6571 Comm: syz.1.545 Not tainted syzkaller #0 [ 204.348398][ T6571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.349800][ T6571] Call trace: [ 204.350319][ T6571] dump_backtrace+0x0/0x43c [ 204.350946][ T6571] show_stack+0x2c/0x3c [ 204.351500][ T6571] __dump_stack+0x30/0x40 [ 204.352095][ T6571] dump_stack_lvl+0xf8/0x160 [ 204.352766][ T6571] dump_stack+0x1c/0x5c [ 204.353337][ T6571] sysfs_create_dir_ns+0x22c/0x24c [ 204.354112][ T6571] kobject_add_internal+0x590/0xc54 [ 204.354860][ T6571] kobject_init_and_add+0x118/0x17c [ 204.355617][ T6571] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.356305][ T6571] gfs2_fill_super+0xdac/0x19e0 [ 204.357028][ T6571] get_tree_bdev+0x358/0x544 [ 204.357714][ T6571] gfs2_get_tree+0x54/0x1b4 [ 204.358315][ T6571] vfs_get_tree+0x90/0x274 [ 204.358967][ T6571] do_new_mount+0x228/0x810 [ 204.359608][ T6571] path_mount+0x5b4/0x1000 [ 204.360220][ T6571] __arm64_sys_mount+0x514/0x5e4 [ 204.360909][ T6571] invoke_syscall+0x98/0x2b8 [ 204.361536][ T6571] el0_svc_common+0x138/0x258 [ 204.362171][ T6571] do_el0_svc+0x58/0x14c [ 204.362752][ T6571] el0_svc+0x78/0x1e0 [ 204.363285][ T6571] el0t_64_sync_handler+0xcc/0xe4 [ 204.363961][ T6571] el0t_64_sync+0x1a0/0x1a4 [ 204.364736][ T6571] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.367082][ T6571] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 204.495302][ T6574] loop1: detected capacity change from 0 to 32768 [ 204.585063][ T6574] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.586331][ T6574] CPU: 1 PID: 6574 Comm: syz.1.546 Not tainted syzkaller #0 [ 204.587437][ T6574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.588820][ T6574] Call trace: [ 204.589276][ T6574] dump_backtrace+0x0/0x43c [ 204.589924][ T6574] show_stack+0x2c/0x3c [ 204.590476][ T6574] __dump_stack+0x30/0x40 [ 204.591081][ T6574] dump_stack_lvl+0xf8/0x160 [ 204.591791][ T6574] dump_stack+0x1c/0x5c [ 204.592434][ T6574] sysfs_create_dir_ns+0x22c/0x24c [ 204.593160][ T6574] kobject_add_internal+0x590/0xc54 [ 204.593937][ T6574] kobject_init_and_add+0x118/0x17c [ 204.594682][ T6574] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.595369][ T6574] gfs2_fill_super+0xdac/0x19e0 [ 204.596048][ T6574] get_tree_bdev+0x358/0x544 [ 204.596741][ T6574] gfs2_get_tree+0x54/0x1b4 [ 204.597392][ T6574] vfs_get_tree+0x90/0x274 [ 204.598042][ T6574] do_new_mount+0x228/0x810 [ 204.598750][ T6574] path_mount+0x5b4/0x1000 [ 204.599441][ T6574] __arm64_sys_mount+0x514/0x5e4 [ 204.600139][ T6574] invoke_syscall+0x98/0x2b8 [ 204.600819][ T6574] el0_svc_common+0x138/0x258 [ 204.601508][ T6574] do_el0_svc+0x58/0x14c [ 204.602110][ T6574] el0_svc+0x78/0x1e0 [ 204.602682][ T6574] el0t_64_sync_handler+0xcc/0xe4 [ 204.603364][ T6574] el0t_64_sync+0x1a0/0x1a4 [ 204.607764][ T6574] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.609623][ T6574] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 204.744244][ T6577] loop1: detected capacity change from 0 to 32768 [ 204.795772][ T6577] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.796926][ T6577] CPU: 0 PID: 6577 Comm: syz.1.547 Not tainted syzkaller #0 [ 204.798048][ T6577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.799405][ T6577] Call trace: [ 204.799874][ T6577] dump_backtrace+0x0/0x43c [ 204.800566][ T6577] show_stack+0x2c/0x3c [ 204.801151][ T6577] __dump_stack+0x30/0x40 [ 204.801786][ T6577] dump_stack_lvl+0xf8/0x160 [ 204.802453][ T6577] dump_stack+0x1c/0x5c [ 204.803090][ T6577] sysfs_create_dir_ns+0x22c/0x24c [ 204.803889][ T6577] kobject_add_internal+0x590/0xc54 [ 204.804693][ T6577] kobject_init_and_add+0x118/0x17c [ 204.805428][ T6577] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.806135][ T6577] gfs2_fill_super+0xdac/0x19e0 [ 204.806888][ T6577] get_tree_bdev+0x358/0x544 [ 204.807579][ T6577] gfs2_get_tree+0x54/0x1b4 [ 204.808188][ T6577] vfs_get_tree+0x90/0x274 [ 204.808883][ T6577] do_new_mount+0x228/0x810 [ 204.809558][ T6577] path_mount+0x5b4/0x1000 [ 204.810204][ T6577] __arm64_sys_mount+0x514/0x5e4 [ 204.810929][ T6577] invoke_syscall+0x98/0x2b8 [ 204.811538][ T6577] el0_svc_common+0x138/0x258 [ 204.812250][ T6577] do_el0_svc+0x58/0x14c [ 204.812848][ T6577] el0_svc+0x78/0x1e0 [ 204.813404][ T6577] el0t_64_sync_handler+0xcc/0xe4 [ 204.814099][ T6577] el0t_64_sync+0x1a0/0x1a4 [ 204.815166][ T6577] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.816989][ T6577] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.018497][ T6580] loop1: detected capacity change from 0 to 32768 [ 205.073021][ T6580] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.074213][ T6580] CPU: 0 PID: 6580 Comm: syz.1.548 Not tainted syzkaller #0 [ 205.075423][ T6580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.076953][ T6580] Call trace: [ 205.077503][ T6580] dump_backtrace+0x0/0x43c [ 205.078182][ T6580] show_stack+0x2c/0x3c [ 205.078769][ T6580] __dump_stack+0x30/0x40 [ 205.079420][ T6580] dump_stack_lvl+0xf8/0x160 [ 205.080118][ T6580] dump_stack+0x1c/0x5c [ 205.080788][ T6580] sysfs_create_dir_ns+0x22c/0x24c [ 205.081577][ T6580] kobject_add_internal+0x590/0xc54 [ 205.082364][ T6580] kobject_init_and_add+0x118/0x17c [ 205.083089][ T6580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.083796][ T6580] gfs2_fill_super+0xdac/0x19e0 [ 205.084526][ T6580] get_tree_bdev+0x358/0x544 [ 205.085229][ T6580] gfs2_get_tree+0x54/0x1b4 [ 205.085894][ T6580] vfs_get_tree+0x90/0x274 [ 205.086501][ T6580] do_new_mount+0x228/0x810 [ 205.087137][ T6580] path_mount+0x5b4/0x1000 [ 205.087711][ T6580] __arm64_sys_mount+0x514/0x5e4 [ 205.088439][ T6580] invoke_syscall+0x98/0x2b8 [ 205.089108][ T6580] el0_svc_common+0x138/0x258 [ 205.089789][ T6580] do_el0_svc+0x58/0x14c [ 205.090481][ T6580] el0_svc+0x78/0x1e0 [ 205.091148][ T6580] el0t_64_sync_handler+0xcc/0xe4 [ 205.091931][ T6580] el0t_64_sync+0x1a0/0x1a4 [ 205.094179][ T6580] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.096115][ T6580] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.243735][ T6583] loop1: detected capacity change from 0 to 32768 [ 205.249802][ T6583] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.252268][ T6583] CPU: 0 PID: 6583 Comm: syz.1.549 Not tainted syzkaller #0 [ 205.253481][ T6583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.255067][ T6583] Call trace: [ 205.255644][ T6583] dump_backtrace+0x0/0x43c [ 205.256372][ T6583] show_stack+0x2c/0x3c [ 205.256993][ T6583] __dump_stack+0x30/0x40 [ 205.257692][ T6583] dump_stack_lvl+0xf8/0x160 [ 205.258428][ T6583] dump_stack+0x1c/0x5c [ 205.259070][ T6583] sysfs_create_dir_ns+0x22c/0x24c [ 205.259845][ T6583] kobject_add_internal+0x590/0xc54 [ 205.260640][ T6583] kobject_init_and_add+0x118/0x17c [ 205.261396][ T6583] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.262111][ T6583] gfs2_fill_super+0xdac/0x19e0 [ 205.262866][ T6583] get_tree_bdev+0x358/0x544 [ 205.263533][ T6583] gfs2_get_tree+0x54/0x1b4 [ 205.264184][ T6583] vfs_get_tree+0x90/0x274 [ 205.264804][ T6583] do_new_mount+0x228/0x810 [ 205.265469][ T6583] path_mount+0x5b4/0x1000 [ 205.266116][ T6583] __arm64_sys_mount+0x514/0x5e4 [ 205.266773][ T6583] invoke_syscall+0x98/0x2b8 [ 205.267411][ T6583] el0_svc_common+0x138/0x258 [ 205.268067][ T6583] do_el0_svc+0x58/0x14c [ 205.268651][ T6583] el0_svc+0x78/0x1e0 [ 205.269179][ T6583] el0t_64_sync_handler+0xcc/0xe4 [ 205.269864][ T6583] el0t_64_sync+0x1a0/0x1a4 [ 205.272037][ T6583] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.273824][ T6583] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.409415][ T6586] loop1: detected capacity change from 0 to 32768 [ 205.445735][ T6586] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.446914][ T6586] CPU: 0 PID: 6586 Comm: syz.1.550 Not tainted syzkaller #0 [ 205.447992][ T6586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.449508][ T6586] Call trace: [ 205.449986][ T6586] dump_backtrace+0x0/0x43c [ 205.450655][ T6586] show_stack+0x2c/0x3c [ 205.451321][ T6586] __dump_stack+0x30/0x40 [ 205.451951][ T6586] dump_stack_lvl+0xf8/0x160 [ 205.452655][ T6586] dump_stack+0x1c/0x5c [ 205.453230][ T6586] sysfs_create_dir_ns+0x22c/0x24c [ 205.453921][ T6586] kobject_add_internal+0x590/0xc54 [ 205.454623][ T6586] kobject_init_and_add+0x118/0x17c [ 205.455303][ T6586] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.455963][ T6586] gfs2_fill_super+0xdac/0x19e0 [ 205.456643][ T6586] get_tree_bdev+0x358/0x544 [ 205.457266][ T6586] gfs2_get_tree+0x54/0x1b4 [ 205.457880][ T6586] vfs_get_tree+0x90/0x274 [ 205.458468][ T6586] do_new_mount+0x228/0x810 [ 205.459094][ T6586] path_mount+0x5b4/0x1000 [ 205.459713][ T6586] __arm64_sys_mount+0x514/0x5e4 [ 205.460431][ T6586] invoke_syscall+0x98/0x2b8 [ 205.461077][ T6586] el0_svc_common+0x138/0x258 [ 205.461700][ T6586] do_el0_svc+0x58/0x14c [ 205.462299][ T6586] el0_svc+0x78/0x1e0 [ 205.462824][ T6586] el0t_64_sync_handler+0xcc/0xe4 [ 205.463540][ T6586] el0t_64_sync+0x1a0/0x1a4 [ 205.465788][ T6586] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.467739][ T6586] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.650174][ T6589] loop1: detected capacity change from 0 to 32768 [ 205.691468][ T6589] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.692566][ T6589] CPU: 0 PID: 6589 Comm: syz.1.551 Not tainted syzkaller #0 [ 205.693631][ T6589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.695010][ T6589] Call trace: [ 205.695450][ T6589] dump_backtrace+0x0/0x43c [ 205.696145][ T6589] show_stack+0x2c/0x3c [ 205.696796][ T6589] __dump_stack+0x30/0x40 [ 205.697383][ T6589] dump_stack_lvl+0xf8/0x160 [ 205.698062][ T6589] dump_stack+0x1c/0x5c [ 205.698659][ T6589] sysfs_create_dir_ns+0x22c/0x24c [ 205.699392][ T6589] kobject_add_internal+0x590/0xc54 [ 205.700154][ T6589] kobject_init_and_add+0x118/0x17c [ 205.700912][ T6589] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.701671][ T6589] gfs2_fill_super+0xdac/0x19e0 [ 205.702386][ T6589] get_tree_bdev+0x358/0x544 [ 205.703014][ T6589] gfs2_get_tree+0x54/0x1b4 [ 205.703666][ T6589] vfs_get_tree+0x90/0x274 [ 205.704299][ T6589] do_new_mount+0x228/0x810 [ 205.704997][ T6589] path_mount+0x5b4/0x1000 [ 205.705570][ T6589] __arm64_sys_mount+0x514/0x5e4 [ 205.706247][ T6589] invoke_syscall+0x98/0x2b8 [ 205.706891][ T6589] el0_svc_common+0x138/0x258 [ 205.707545][ T6589] do_el0_svc+0x58/0x14c [ 205.708186][ T6589] el0_svc+0x78/0x1e0 [ 205.708805][ T6589] el0t_64_sync_handler+0xcc/0xe4 [ 205.709491][ T6589] el0t_64_sync+0x1a0/0x1a4 [ 205.711616][ T6589] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.713486][ T6589] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.850484][ T6592] loop1: detected capacity change from 0 to 32768 [ 205.885638][ T6592] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.886931][ T6592] CPU: 0 PID: 6592 Comm: syz.1.552 Not tainted syzkaller #0 [ 205.887949][ T6592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.889275][ T6592] Call trace: [ 205.889708][ T6592] dump_backtrace+0x0/0x43c [ 205.890298][ T6592] show_stack+0x2c/0x3c [ 205.890874][ T6592] __dump_stack+0x30/0x40 [ 205.891526][ T6592] dump_stack_lvl+0xf8/0x160 [ 205.892180][ T6592] dump_stack+0x1c/0x5c [ 205.892729][ T6592] sysfs_create_dir_ns+0x22c/0x24c [ 205.893462][ T6592] kobject_add_internal+0x590/0xc54 [ 205.894195][ T6592] kobject_init_and_add+0x118/0x17c [ 205.894878][ T6592] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.895550][ T6592] gfs2_fill_super+0xdac/0x19e0 [ 205.896241][ T6592] get_tree_bdev+0x358/0x544 [ 205.896904][ T6592] gfs2_get_tree+0x54/0x1b4 [ 205.897548][ T6592] vfs_get_tree+0x90/0x274 [ 205.898184][ T6592] do_new_mount+0x228/0x810 [ 205.898823][ T6592] path_mount+0x5b4/0x1000 [ 205.899464][ T6592] __arm64_sys_mount+0x514/0x5e4 [ 205.900180][ T6592] invoke_syscall+0x98/0x2b8 [ 205.900847][ T6592] el0_svc_common+0x138/0x258 [ 205.901668][ T6592] do_el0_svc+0x58/0x14c [ 205.902336][ T6592] el0_svc+0x78/0x1e0 [ 205.902907][ T6592] el0t_64_sync_handler+0xcc/0xe4 [ 205.903638][ T6592] el0t_64_sync+0x1a0/0x1a4 [ 205.910347][ T6592] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.912124][ T6592] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.094103][ T6595] loop1: detected capacity change from 0 to 32768 [ 206.100830][ T6595] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.101914][ T6595] CPU: 0 PID: 6595 Comm: syz.1.553 Not tainted syzkaller #0 [ 206.102882][ T6595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.104275][ T6595] Call trace: [ 206.104703][ T6595] dump_backtrace+0x0/0x43c [ 206.105490][ T6595] show_stack+0x2c/0x3c [ 206.106142][ T6595] __dump_stack+0x30/0x40 [ 206.106825][ T6595] dump_stack_lvl+0xf8/0x160 [ 206.107535][ T6595] dump_stack+0x1c/0x5c [ 206.108125][ T6595] sysfs_create_dir_ns+0x22c/0x24c [ 206.108820][ T6595] kobject_add_internal+0x590/0xc54 [ 206.109577][ T6595] kobject_init_and_add+0x118/0x17c [ 206.110269][ T6595] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.110967][ T6595] gfs2_fill_super+0xdac/0x19e0 [ 206.111607][ T6595] get_tree_bdev+0x358/0x544 [ 206.112450][ T6595] gfs2_get_tree+0x54/0x1b4 [ 206.113221][ T6595] vfs_get_tree+0x90/0x274 [ 206.113905][ T6595] do_new_mount+0x228/0x810 [ 206.114603][ T6595] path_mount+0x5b4/0x1000 [ 206.115212][ T6595] __arm64_sys_mount+0x514/0x5e4 [ 206.115978][ T6595] invoke_syscall+0x98/0x2b8 [ 206.116649][ T6595] el0_svc_common+0x138/0x258 [ 206.117329][ T6595] do_el0_svc+0x58/0x14c [ 206.117979][ T6595] el0_svc+0x78/0x1e0 [ 206.118553][ T6595] el0t_64_sync_handler+0xcc/0xe4 [ 206.119305][ T6595] el0t_64_sync+0x1a0/0x1a4 [ 206.122150][ T6595] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.124156][ T6595] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.267363][ T6598] loop1: detected capacity change from 0 to 32768 [ 206.305718][ T6598] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.306861][ T6598] CPU: 0 PID: 6598 Comm: syz.1.554 Not tainted syzkaller #0 [ 206.307915][ T6598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.309305][ T6598] Call trace: [ 206.309844][ T6598] dump_backtrace+0x0/0x43c [ 206.310590][ T6598] show_stack+0x2c/0x3c [ 206.311210][ T6598] __dump_stack+0x30/0x40 [ 206.311877][ T6598] dump_stack_lvl+0xf8/0x160 [ 206.312583][ T6598] dump_stack+0x1c/0x5c [ 206.313227][ T6598] sysfs_create_dir_ns+0x22c/0x24c [ 206.313995][ T6598] kobject_add_internal+0x590/0xc54 [ 206.314732][ T6598] kobject_init_and_add+0x118/0x17c [ 206.315455][ T6598] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.316080][ T6598] gfs2_fill_super+0xdac/0x19e0 [ 206.316789][ T6598] get_tree_bdev+0x358/0x544 [ 206.317429][ T6598] gfs2_get_tree+0x54/0x1b4 [ 206.318055][ T6598] vfs_get_tree+0x90/0x274 [ 206.318713][ T6598] do_new_mount+0x228/0x810 [ 206.319367][ T6598] path_mount+0x5b4/0x1000 [ 206.319992][ T6598] __arm64_sys_mount+0x514/0x5e4 [ 206.320677][ T6598] invoke_syscall+0x98/0x2b8 [ 206.321349][ T6598] el0_svc_common+0x138/0x258 [ 206.322026][ T6598] do_el0_svc+0x58/0x14c [ 206.322657][ T6598] el0_svc+0x78/0x1e0 [ 206.323245][ T6598] el0t_64_sync_handler+0xcc/0xe4 [ 206.323974][ T6598] el0t_64_sync+0x1a0/0x1a4 [ 206.329353][ T6598] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.331290][ T6598] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.519754][ T6601] loop1: detected capacity change from 0 to 32768 [ 206.555403][ T6601] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.556604][ T6601] CPU: 1 PID: 6601 Comm: syz.1.555 Not tainted syzkaller #0 [ 206.557653][ T6601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.558996][ T6601] Call trace: [ 206.559443][ T6601] dump_backtrace+0x0/0x43c [ 206.560040][ T6601] show_stack+0x2c/0x3c [ 206.560598][ T6601] __dump_stack+0x30/0x40 [ 206.561148][ T6601] dump_stack_lvl+0xf8/0x160 [ 206.561827][ T6601] dump_stack+0x1c/0x5c [ 206.562411][ T6601] sysfs_create_dir_ns+0x22c/0x24c [ 206.563146][ T6601] kobject_add_internal+0x590/0xc54 [ 206.563822][ T6601] kobject_init_and_add+0x118/0x17c [ 206.564508][ T6601] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.565181][ T6601] gfs2_fill_super+0xdac/0x19e0 [ 206.565867][ T6601] get_tree_bdev+0x358/0x544 [ 206.566567][ T6601] gfs2_get_tree+0x54/0x1b4 [ 206.567260][ T6601] vfs_get_tree+0x90/0x274 [ 206.567888][ T6601] do_new_mount+0x228/0x810 [ 206.568599][ T6601] path_mount+0x5b4/0x1000 [ 206.569254][ T6601] __arm64_sys_mount+0x514/0x5e4 [ 206.569919][ T6601] invoke_syscall+0x98/0x2b8 [ 206.570577][ T6601] el0_svc_common+0x138/0x258 [ 206.571202][ T6601] do_el0_svc+0x58/0x14c [ 206.571776][ T6601] el0_svc+0x78/0x1e0 [ 206.572358][ T6601] el0t_64_sync_handler+0xcc/0xe4 [ 206.573044][ T6601] el0t_64_sync+0x1a0/0x1a4 [ 206.573815][ T6601] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.575787][ T6601] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.702068][ T6604] loop1: detected capacity change from 0 to 32768 [ 206.745390][ T6604] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.746643][ T6604] CPU: 1 PID: 6604 Comm: syz.1.556 Not tainted syzkaller #0 [ 206.747747][ T6604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.749259][ T6604] Call trace: [ 206.749747][ T6604] dump_backtrace+0x0/0x43c [ 206.750408][ T6604] show_stack+0x2c/0x3c [ 206.751047][ T6604] __dump_stack+0x30/0x40 [ 206.751714][ T6604] dump_stack_lvl+0xf8/0x160 [ 206.752367][ T6604] dump_stack+0x1c/0x5c [ 206.752943][ T6604] sysfs_create_dir_ns+0x22c/0x24c [ 206.753632][ T6604] kobject_add_internal+0x590/0xc54 [ 206.754362][ T6604] kobject_init_and_add+0x118/0x17c [ 206.755101][ T6604] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.755802][ T6604] gfs2_fill_super+0xdac/0x19e0 [ 206.756527][ T6604] get_tree_bdev+0x358/0x544 [ 206.757173][ T6604] gfs2_get_tree+0x54/0x1b4 [ 206.757827][ T6604] vfs_get_tree+0x90/0x274 [ 206.758443][ T6604] do_new_mount+0x228/0x810 [ 206.759073][ T6604] path_mount+0x5b4/0x1000 [ 206.759695][ T6604] __arm64_sys_mount+0x514/0x5e4 [ 206.760431][ T6604] invoke_syscall+0x98/0x2b8 [ 206.761084][ T6604] el0_svc_common+0x138/0x258 [ 206.761744][ T6604] do_el0_svc+0x58/0x14c [ 206.762351][ T6604] el0_svc+0x78/0x1e0 [ 206.762892][ T6604] el0t_64_sync_handler+0xcc/0xe4 [ 206.763589][ T6604] el0t_64_sync+0x1a0/0x1a4 [ 206.765256][ T6604] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.767000][ T6604] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.907811][ T6607] loop1: detected capacity change from 0 to 32768 [ 206.955644][ T6607] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.957534][ T6607] CPU: 0 PID: 6607 Comm: syz.1.557 Not tainted syzkaller #0 [ 206.958689][ T6607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.960211][ T6607] Call trace: [ 206.960725][ T6607] dump_backtrace+0x0/0x43c [ 206.961428][ T6607] show_stack+0x2c/0x3c [ 206.962088][ T6607] __dump_stack+0x30/0x40 [ 206.962733][ T6607] dump_stack_lvl+0xf8/0x160 [ 206.963352][ T6607] dump_stack+0x1c/0x5c [ 206.963923][ T6607] sysfs_create_dir_ns+0x22c/0x24c [ 206.964630][ T6607] kobject_add_internal+0x590/0xc54 [ 206.965375][ T6607] kobject_init_and_add+0x118/0x17c [ 206.966129][ T6607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.966829][ T6607] gfs2_fill_super+0xdac/0x19e0 [ 206.967548][ T6607] get_tree_bdev+0x358/0x544 [ 206.968207][ T6607] gfs2_get_tree+0x54/0x1b4 [ 206.968850][ T6607] vfs_get_tree+0x90/0x274 [ 206.969491][ T6607] do_new_mount+0x228/0x810 [ 206.970127][ T6607] path_mount+0x5b4/0x1000 [ 206.970783][ T6607] __arm64_sys_mount+0x514/0x5e4 [ 206.971608][ T6607] invoke_syscall+0x98/0x2b8 [ 206.972234][ T6607] el0_svc_common+0x138/0x258 [ 206.972855][ T6607] do_el0_svc+0x58/0x14c [ 206.973399][ T6607] el0_svc+0x78/0x1e0 [ 206.973939][ T6607] el0t_64_sync_handler+0xcc/0xe4 [ 206.974628][ T6607] el0t_64_sync+0x1a0/0x1a4 [ 206.975981][ T6607] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.978313][ T6607] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.169104][ T6610] loop1: detected capacity change from 0 to 32768 [ 207.175119][ T6610] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.176295][ T6610] CPU: 1 PID: 6610 Comm: syz.1.558 Not tainted syzkaller #0 [ 207.177414][ T6610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.178881][ T6610] Call trace: [ 207.179331][ T6610] dump_backtrace+0x0/0x43c [ 207.179982][ T6610] show_stack+0x2c/0x3c [ 207.180612][ T6610] __dump_stack+0x30/0x40 [ 207.181320][ T6610] dump_stack_lvl+0xf8/0x160 [ 207.182014][ T6610] dump_stack+0x1c/0x5c [ 207.182627][ T6610] sysfs_create_dir_ns+0x22c/0x24c [ 207.183394][ T6610] kobject_add_internal+0x590/0xc54 [ 207.184163][ T6610] kobject_init_and_add+0x118/0x17c [ 207.184955][ T6610] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.185679][ T6610] gfs2_fill_super+0xdac/0x19e0 [ 207.186431][ T6610] get_tree_bdev+0x358/0x544 [ 207.187148][ T6610] gfs2_get_tree+0x54/0x1b4 [ 207.187824][ T6610] vfs_get_tree+0x90/0x274 [ 207.188540][ T6610] do_new_mount+0x228/0x810 [ 207.189214][ T6610] path_mount+0x5b4/0x1000 [ 207.189872][ T6610] __arm64_sys_mount+0x514/0x5e4 [ 207.190612][ T6610] invoke_syscall+0x98/0x2b8 [ 207.191248][ T6610] el0_svc_common+0x138/0x258 [ 207.191912][ T6610] do_el0_svc+0x58/0x14c [ 207.192546][ T6610] el0_svc+0x78/0x1e0 [ 207.193084][ T6610] el0t_64_sync_handler+0xcc/0xe4 [ 207.193827][ T6610] el0t_64_sync+0x1a0/0x1a4 [ 207.194570][ T6610] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.196529][ T6610] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.404254][ T6613] loop1: detected capacity change from 0 to 32768 [ 207.410615][ T6613] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.411702][ T6613] CPU: 1 PID: 6613 Comm: syz.1.559 Not tainted syzkaller #0 [ 207.412760][ T6613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.414266][ T6613] Call trace: [ 207.414740][ T6613] dump_backtrace+0x0/0x43c [ 207.415413][ T6613] show_stack+0x2c/0x3c [ 207.416024][ T6613] __dump_stack+0x30/0x40 [ 207.416630][ T6613] dump_stack_lvl+0xf8/0x160 [ 207.417307][ T6613] dump_stack+0x1c/0x5c [ 207.417850][ T6613] sysfs_create_dir_ns+0x22c/0x24c [ 207.418529][ T6613] kobject_add_internal+0x590/0xc54 [ 207.419232][ T6613] kobject_init_and_add+0x118/0x17c [ 207.420046][ T6613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.420721][ T6613] gfs2_fill_super+0xdac/0x19e0 [ 207.421426][ T6613] get_tree_bdev+0x358/0x544 [ 207.422136][ T6613] gfs2_get_tree+0x54/0x1b4 [ 207.422792][ T6613] vfs_get_tree+0x90/0x274 [ 207.423519][ T6613] do_new_mount+0x228/0x810 [ 207.424177][ T6613] path_mount+0x5b4/0x1000 [ 207.424874][ T6613] __arm64_sys_mount+0x514/0x5e4 [ 207.425644][ T6613] invoke_syscall+0x98/0x2b8 [ 207.426343][ T6613] el0_svc_common+0x138/0x258 [ 207.427062][ T6613] do_el0_svc+0x58/0x14c [ 207.427744][ T6613] el0_svc+0x78/0x1e0 [ 207.428329][ T6613] el0t_64_sync_handler+0xcc/0xe4 [ 207.429031][ T6613] el0t_64_sync+0x1a0/0x1a4 [ 207.430072][ T6613] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.431970][ T6613] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.564387][ T6616] loop1: detected capacity change from 0 to 32768 [ 207.570672][ T6616] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.571821][ T6616] CPU: 0 PID: 6616 Comm: syz.1.560 Not tainted syzkaller #0 [ 207.573012][ T6616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.574394][ T6616] Call trace: [ 207.574857][ T6616] dump_backtrace+0x0/0x43c [ 207.575503][ T6616] show_stack+0x2c/0x3c [ 207.576068][ T6616] __dump_stack+0x30/0x40 [ 207.576699][ T6616] dump_stack_lvl+0xf8/0x160 [ 207.577431][ T6616] dump_stack+0x1c/0x5c [ 207.578063][ T6616] sysfs_create_dir_ns+0x22c/0x24c [ 207.578811][ T6616] kobject_add_internal+0x590/0xc54 [ 207.579601][ T6616] kobject_init_and_add+0x118/0x17c [ 207.580357][ T6616] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.581059][ T6616] gfs2_fill_super+0xdac/0x19e0 [ 207.581739][ T6616] get_tree_bdev+0x358/0x544 [ 207.582470][ T6616] gfs2_get_tree+0x54/0x1b4 [ 207.583107][ T6616] vfs_get_tree+0x90/0x274 [ 207.583785][ T6616] do_new_mount+0x228/0x810 [ 207.584491][ T6616] path_mount+0x5b4/0x1000 [ 207.585101][ T6616] __arm64_sys_mount+0x514/0x5e4 [ 207.585965][ T6616] invoke_syscall+0x98/0x2b8 [ 207.586731][ T6616] el0_svc_common+0x138/0x258 [ 207.587555][ T6616] do_el0_svc+0x58/0x14c [ 207.588236][ T6616] el0_svc+0x78/0x1e0 [ 207.588879][ T6616] el0t_64_sync_handler+0xcc/0xe4 [ 207.589691][ T6616] el0t_64_sync+0x1a0/0x1a4 [ 207.592340][ T6616] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.594288][ T6616] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.778382][ T6619] loop1: detected capacity change from 0 to 32768 [ 207.835698][ T6619] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.836801][ T6619] CPU: 0 PID: 6619 Comm: syz.1.561 Not tainted syzkaller #0 [ 207.837816][ T6619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.839247][ T6619] Call trace: [ 207.839719][ T6619] dump_backtrace+0x0/0x43c [ 207.840373][ T6619] show_stack+0x2c/0x3c [ 207.840960][ T6619] __dump_stack+0x30/0x40 [ 207.841590][ T6619] dump_stack_lvl+0xf8/0x160 [ 207.842263][ T6619] dump_stack+0x1c/0x5c [ 207.842840][ T6619] sysfs_create_dir_ns+0x22c/0x24c [ 207.843589][ T6619] kobject_add_internal+0x590/0xc54 [ 207.844280][ T6619] kobject_init_and_add+0x118/0x17c [ 207.845024][ T6619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.845698][ T6619] gfs2_fill_super+0xdac/0x19e0 [ 207.846401][ T6619] get_tree_bdev+0x358/0x544 [ 207.847037][ T6619] gfs2_get_tree+0x54/0x1b4 [ 207.847822][ T6619] vfs_get_tree+0x90/0x274 [ 207.848563][ T6619] do_new_mount+0x228/0x810 [ 207.849226][ T6619] path_mount+0x5b4/0x1000 [ 207.849888][ T6619] __arm64_sys_mount+0x514/0x5e4 [ 207.850661][ T6619] invoke_syscall+0x98/0x2b8 [ 207.851416][ T6619] el0_svc_common+0x138/0x258 [ 207.852155][ T6619] do_el0_svc+0x58/0x14c [ 207.852805][ T6619] el0_svc+0x78/0x1e0 [ 207.853369][ T6619] el0t_64_sync_handler+0xcc/0xe4 [ 207.854110][ T6619] el0t_64_sync+0x1a0/0x1a4 [ 207.855746][ T6619] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.857825][ T6619] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.040624][ T6622] loop1: detected capacity change from 0 to 32768 [ 208.047224][ T6622] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.048339][ T6622] CPU: 0 PID: 6622 Comm: syz.1.562 Not tainted syzkaller #0 [ 208.049380][ T6622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.050840][ T6622] Call trace: [ 208.051332][ T6622] dump_backtrace+0x0/0x43c [ 208.051994][ T6622] show_stack+0x2c/0x3c [ 208.052623][ T6622] __dump_stack+0x30/0x40 [ 208.053226][ T6622] dump_stack_lvl+0xf8/0x160 [ 208.053859][ T6622] dump_stack+0x1c/0x5c [ 208.054432][ T6622] sysfs_create_dir_ns+0x22c/0x24c [ 208.055176][ T6622] kobject_add_internal+0x590/0xc54 [ 208.055914][ T6622] kobject_init_and_add+0x118/0x17c [ 208.056616][ T6622] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.057317][ T6622] gfs2_fill_super+0xdac/0x19e0 [ 208.057986][ T6622] get_tree_bdev+0x358/0x544 [ 208.058611][ T6622] gfs2_get_tree+0x54/0x1b4 [ 208.059297][ T6622] vfs_get_tree+0x90/0x274 [ 208.059918][ T6622] do_new_mount+0x228/0x810 [ 208.060551][ T6622] path_mount+0x5b4/0x1000 [ 208.061189][ T6622] __arm64_sys_mount+0x514/0x5e4 [ 208.061846][ T6622] invoke_syscall+0x98/0x2b8 [ 208.062502][ T6622] el0_svc_common+0x138/0x258 [ 208.063218][ T6622] do_el0_svc+0x58/0x14c [ 208.063851][ T6622] el0_svc+0x78/0x1e0 [ 208.064421][ T6622] el0t_64_sync_handler+0xcc/0xe4 [ 208.065126][ T6622] el0t_64_sync+0x1a0/0x1a4 [ 208.067228][ T6622] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.069205][ T6622] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.201689][ T6625] loop1: detected capacity change from 0 to 32768 [ 208.208577][ T6625] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.209816][ T6625] CPU: 1 PID: 6625 Comm: syz.1.563 Not tainted syzkaller #0 [ 208.210868][ T6625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.212304][ T6625] Call trace: [ 208.212770][ T6625] dump_backtrace+0x0/0x43c [ 208.213353][ T6625] show_stack+0x2c/0x3c [ 208.213929][ T6625] __dump_stack+0x30/0x40 [ 208.214473][ T6625] dump_stack_lvl+0xf8/0x160 [ 208.215157][ T6625] dump_stack+0x1c/0x5c [ 208.215741][ T6625] sysfs_create_dir_ns+0x22c/0x24c [ 208.216504][ T6625] kobject_add_internal+0x590/0xc54 [ 208.217208][ T6625] kobject_init_and_add+0x118/0x17c [ 208.217906][ T6625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.218610][ T6625] gfs2_fill_super+0xdac/0x19e0 [ 208.219367][ T6625] get_tree_bdev+0x358/0x544 [ 208.219998][ T6625] gfs2_get_tree+0x54/0x1b4 [ 208.220642][ T6625] vfs_get_tree+0x90/0x274 [ 208.221277][ T6625] do_new_mount+0x228/0x810 [ 208.221936][ T6625] path_mount+0x5b4/0x1000 [ 208.222541][ T6625] __arm64_sys_mount+0x514/0x5e4 [ 208.223237][ T6625] invoke_syscall+0x98/0x2b8 [ 208.223881][ T6625] el0_svc_common+0x138/0x258 [ 208.224519][ T6625] do_el0_svc+0x58/0x14c [ 208.225157][ T6625] el0_svc+0x78/0x1e0 [ 208.225694][ T6625] el0t_64_sync_handler+0xcc/0xe4 [ 208.226405][ T6625] el0t_64_sync+0x1a0/0x1a4 [ 208.229721][ T6625] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.231484][ T6625] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:28 executed programs: 550 [ 208.361771][ T6628] loop1: detected capacity change from 0 to 32768 [ 208.395465][ T6628] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.396585][ T6628] CPU: 1 PID: 6628 Comm: syz.1.564 Not tainted syzkaller #0 [ 208.397622][ T6628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.399025][ T6628] Call trace: [ 208.399500][ T6628] dump_backtrace+0x0/0x43c [ 208.400126][ T6628] show_stack+0x2c/0x3c [ 208.400709][ T6628] __dump_stack+0x30/0x40 [ 208.401395][ T6628] dump_stack_lvl+0xf8/0x160 [ 208.402072][ T6628] dump_stack+0x1c/0x5c [ 208.402735][ T6628] sysfs_create_dir_ns+0x22c/0x24c [ 208.403454][ T6628] kobject_add_internal+0x590/0xc54 [ 208.404137][ T6628] kobject_init_and_add+0x118/0x17c [ 208.404878][ T6628] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.405505][ T6628] gfs2_fill_super+0xdac/0x19e0 [ 208.406171][ T6628] get_tree_bdev+0x358/0x544 [ 208.406894][ T6628] gfs2_get_tree+0x54/0x1b4 [ 208.407516][ T6628] vfs_get_tree+0x90/0x274 [ 208.408180][ T6628] do_new_mount+0x228/0x810 [ 208.408844][ T6628] path_mount+0x5b4/0x1000 [ 208.409476][ T6628] __arm64_sys_mount+0x514/0x5e4 [ 208.410212][ T6628] invoke_syscall+0x98/0x2b8 [ 208.410878][ T6628] el0_svc_common+0x138/0x258 [ 208.411588][ T6628] do_el0_svc+0x58/0x14c [ 208.412197][ T6628] el0_svc+0x78/0x1e0 [ 208.412770][ T6628] el0t_64_sync_handler+0xcc/0xe4 [ 208.413460][ T6628] el0t_64_sync+0x1a0/0x1a4 [ 208.415990][ T6628] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.417859][ T6628] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.608301][ T6631] loop1: detected capacity change from 0 to 32768 [ 208.645701][ T6631] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.646785][ T6631] CPU: 0 PID: 6631 Comm: syz.1.565 Not tainted syzkaller #0 [ 208.647850][ T6631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.649442][ T6631] Call trace: [ 208.649908][ T6631] dump_backtrace+0x0/0x43c [ 208.650551][ T6631] show_stack+0x2c/0x3c [ 208.651130][ T6631] __dump_stack+0x30/0x40 [ 208.651740][ T6631] dump_stack_lvl+0xf8/0x160 [ 208.652541][ T6631] dump_stack+0x1c/0x5c [ 208.653178][ T6631] sysfs_create_dir_ns+0x22c/0x24c [ 208.653948][ T6631] kobject_add_internal+0x590/0xc54 [ 208.654682][ T6631] kobject_init_and_add+0x118/0x17c [ 208.655446][ T6631] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.656135][ T6631] gfs2_fill_super+0xdac/0x19e0 [ 208.656788][ T6631] get_tree_bdev+0x358/0x544 [ 208.657376][ T6631] gfs2_get_tree+0x54/0x1b4 [ 208.658150][ T6631] vfs_get_tree+0x90/0x274 [ 208.658796][ T6631] do_new_mount+0x228/0x810 [ 208.659472][ T6631] path_mount+0x5b4/0x1000 [ 208.660208][ T6631] __arm64_sys_mount+0x514/0x5e4 [ 208.660953][ T6631] invoke_syscall+0x98/0x2b8 [ 208.661637][ T6631] el0_svc_common+0x138/0x258 [ 208.662363][ T6631] do_el0_svc+0x58/0x14c [ 208.663000][ T6631] el0_svc+0x78/0x1e0 [ 208.663649][ T6631] el0t_64_sync_handler+0xcc/0xe4 [ 208.664337][ T6631] el0t_64_sync+0x1a0/0x1a4 [ 208.665158][ T6631] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.667004][ T6631] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.794644][ T6634] loop1: detected capacity change from 0 to 32768 [ 208.879140][ T6634] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.880359][ T6634] CPU: 0 PID: 6634 Comm: syz.1.566 Not tainted syzkaller #0 [ 208.881446][ T6634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.882905][ T6634] Call trace: [ 208.883371][ T6634] dump_backtrace+0x0/0x43c [ 208.884004][ T6634] show_stack+0x2c/0x3c [ 208.884558][ T6634] __dump_stack+0x30/0x40 [ 208.885170][ T6634] dump_stack_lvl+0xf8/0x160 [ 208.885811][ T6634] dump_stack+0x1c/0x5c [ 208.886421][ T6634] sysfs_create_dir_ns+0x22c/0x24c [ 208.887137][ T6634] kobject_add_internal+0x590/0xc54 [ 208.887889][ T6634] kobject_init_and_add+0x118/0x17c [ 208.888613][ T6634] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.889285][ T6634] gfs2_fill_super+0xdac/0x19e0 [ 208.890002][ T6634] get_tree_bdev+0x358/0x544 [ 208.890671][ T6634] gfs2_get_tree+0x54/0x1b4 [ 208.891315][ T6634] vfs_get_tree+0x90/0x274 [ 208.891916][ T6634] do_new_mount+0x228/0x810 [ 208.892562][ T6634] path_mount+0x5b4/0x1000 [ 208.893201][ T6634] __arm64_sys_mount+0x514/0x5e4 [ 208.893859][ T6634] invoke_syscall+0x98/0x2b8 [ 208.894498][ T6634] el0_svc_common+0x138/0x258 [ 208.895140][ T6634] do_el0_svc+0x58/0x14c [ 208.895741][ T6634] el0_svc+0x78/0x1e0 [ 208.896306][ T6634] el0t_64_sync_handler+0xcc/0xe4 [ 208.897012][ T6634] el0t_64_sync+0x1a0/0x1a4 [ 208.899080][ T6634] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.900932][ T6634] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.038665][ T6637] loop1: detected capacity change from 0 to 32768 [ 209.075414][ T6637] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.076614][ T6637] CPU: 0 PID: 6637 Comm: syz.1.567 Not tainted syzkaller #0 [ 209.077618][ T6637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.078998][ T6637] Call trace: [ 209.079484][ T6637] dump_backtrace+0x0/0x43c [ 209.080103][ T6637] show_stack+0x2c/0x3c [ 209.080683][ T6637] __dump_stack+0x30/0x40 [ 209.081264][ T6637] dump_stack_lvl+0xf8/0x160 [ 209.081886][ T6637] dump_stack+0x1c/0x5c [ 209.082518][ T6637] sysfs_create_dir_ns+0x22c/0x24c [ 209.083280][ T6637] kobject_add_internal+0x590/0xc54 [ 209.084031][ T6637] kobject_init_and_add+0x118/0x17c [ 209.084842][ T6637] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.085513][ T6637] gfs2_fill_super+0xdac/0x19e0 [ 209.086265][ T6637] get_tree_bdev+0x358/0x544 [ 209.086895][ T6637] gfs2_get_tree+0x54/0x1b4 [ 209.087587][ T6637] vfs_get_tree+0x90/0x274 [ 209.088301][ T6637] do_new_mount+0x228/0x810 [ 209.088957][ T6637] path_mount+0x5b4/0x1000 [ 209.089566][ T6637] __arm64_sys_mount+0x514/0x5e4 [ 209.090271][ T6637] invoke_syscall+0x98/0x2b8 [ 209.090971][ T6637] el0_svc_common+0x138/0x258 [ 209.091660][ T6637] do_el0_svc+0x58/0x14c [ 209.092227][ T6637] el0_svc+0x78/0x1e0 [ 209.092775][ T6637] el0t_64_sync_handler+0xcc/0xe4 [ 209.093507][ T6637] el0t_64_sync+0x1a0/0x1a4 [ 209.095828][ T6637] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.097677][ T6637] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.226260][ T6640] loop1: detected capacity change from 0 to 32768 [ 209.308977][ T6640] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.310124][ T6640] CPU: 1 PID: 6640 Comm: syz.1.568 Not tainted syzkaller #0 [ 209.311202][ T6640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.312671][ T6640] Call trace: [ 209.313190][ T6640] dump_backtrace+0x0/0x43c [ 209.313851][ T6640] show_stack+0x2c/0x3c [ 209.314480][ T6640] __dump_stack+0x30/0x40 [ 209.315101][ T6640] dump_stack_lvl+0xf8/0x160 [ 209.315809][ T6640] dump_stack+0x1c/0x5c [ 209.316437][ T6640] sysfs_create_dir_ns+0x22c/0x24c [ 209.317175][ T6640] kobject_add_internal+0x590/0xc54 [ 209.317947][ T6640] kobject_init_and_add+0x118/0x17c [ 209.318715][ T6640] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.319438][ T6640] gfs2_fill_super+0xdac/0x19e0 [ 209.320150][ T6640] get_tree_bdev+0x358/0x544 [ 209.320795][ T6640] gfs2_get_tree+0x54/0x1b4 [ 209.321427][ T6640] vfs_get_tree+0x90/0x274 [ 209.322071][ T6640] do_new_mount+0x228/0x810 [ 209.322752][ T6640] path_mount+0x5b4/0x1000 [ 209.323428][ T6640] __arm64_sys_mount+0x514/0x5e4 [ 209.324139][ T6640] invoke_syscall+0x98/0x2b8 [ 209.324819][ T6640] el0_svc_common+0x138/0x258 [ 209.325459][ T6640] do_el0_svc+0x58/0x14c [ 209.326064][ T6640] el0_svc+0x78/0x1e0 [ 209.326666][ T6640] el0t_64_sync_handler+0xcc/0xe4 [ 209.327417][ T6640] el0t_64_sync+0x1a0/0x1a4 [ 209.328465][ T6640] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.330176][ T6640] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.478011][ T6643] loop1: detected capacity change from 0 to 32768 [ 209.516361][ T6643] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.518196][ T6643] CPU: 1 PID: 6643 Comm: syz.1.569 Not tainted syzkaller #0 [ 209.519335][ T6643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.520922][ T6643] Call trace: [ 209.521517][ T6643] dump_backtrace+0x0/0x43c [ 209.522159][ T6643] show_stack+0x2c/0x3c [ 209.522733][ T6643] __dump_stack+0x30/0x40 [ 209.523412][ T6643] dump_stack_lvl+0xf8/0x160 [ 209.524062][ T6643] dump_stack+0x1c/0x5c [ 209.524688][ T6643] sysfs_create_dir_ns+0x22c/0x24c [ 209.525409][ T6643] kobject_add_internal+0x590/0xc54 [ 209.526151][ T6643] kobject_init_and_add+0x118/0x17c [ 209.526961][ T6643] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.527619][ T6643] gfs2_fill_super+0xdac/0x19e0 [ 209.528348][ T6643] get_tree_bdev+0x358/0x544 [ 209.529030][ T6643] gfs2_get_tree+0x54/0x1b4 [ 209.529634][ T6643] vfs_get_tree+0x90/0x274 [ 209.530284][ T6643] do_new_mount+0x228/0x810 [ 209.530963][ T6643] path_mount+0x5b4/0x1000 [ 209.531682][ T6643] __arm64_sys_mount+0x514/0x5e4 [ 209.532453][ T6643] invoke_syscall+0x98/0x2b8 [ 209.533124][ T6643] el0_svc_common+0x138/0x258 [ 209.533782][ T6643] do_el0_svc+0x58/0x14c [ 209.534424][ T6643] el0_svc+0x78/0x1e0 [ 209.534959][ T6643] el0t_64_sync_handler+0xcc/0xe4 [ 209.535645][ T6643] el0t_64_sync+0x1a0/0x1a4 [ 209.536664][ T6643] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.538620][ T6643] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.768126][ T6646] loop1: detected capacity change from 0 to 32768 [ 209.845387][ T6646] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.846631][ T6646] CPU: 0 PID: 6646 Comm: syz.1.570 Not tainted syzkaller #0 [ 209.847720][ T6646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.849170][ T6646] Call trace: [ 209.849602][ T6646] dump_backtrace+0x0/0x43c [ 209.850275][ T6646] show_stack+0x2c/0x3c [ 209.850854][ T6646] __dump_stack+0x30/0x40 [ 209.851476][ T6646] dump_stack_lvl+0xf8/0x160 [ 209.852170][ T6646] dump_stack+0x1c/0x5c [ 209.852766][ T6646] sysfs_create_dir_ns+0x22c/0x24c [ 209.853476][ T6646] kobject_add_internal+0x590/0xc54 [ 209.854195][ T6646] kobject_init_and_add+0x118/0x17c [ 209.855011][ T6646] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.855826][ T6646] gfs2_fill_super+0xdac/0x19e0 [ 209.856567][ T6646] get_tree_bdev+0x358/0x544 [ 209.857208][ T6646] gfs2_get_tree+0x54/0x1b4 [ 209.857874][ T6646] vfs_get_tree+0x90/0x274 [ 209.858502][ T6646] do_new_mount+0x228/0x810 [ 209.859114][ T6646] path_mount+0x5b4/0x1000 [ 209.859732][ T6646] __arm64_sys_mount+0x514/0x5e4 [ 209.860432][ T6646] invoke_syscall+0x98/0x2b8 [ 209.861061][ T6646] el0_svc_common+0x138/0x258 [ 209.861728][ T6646] do_el0_svc+0x58/0x14c [ 209.862351][ T6646] el0_svc+0x78/0x1e0 [ 209.862935][ T6646] el0t_64_sync_handler+0xcc/0xe4 [ 209.863615][ T6646] el0t_64_sync+0x1a0/0x1a4 [ 209.869135][ T6646] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.870849][ T6646] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.054597][ T6649] loop1: detected capacity change from 0 to 32768 [ 210.101361][ T6649] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.102466][ T6649] CPU: 0 PID: 6649 Comm: syz.1.571 Not tainted syzkaller #0 [ 210.103359][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.104714][ T6649] Call trace: [ 210.105172][ T6649] dump_backtrace+0x0/0x43c [ 210.105828][ T6649] show_stack+0x2c/0x3c [ 210.106357][ T6649] __dump_stack+0x30/0x40 [ 210.106930][ T6649] dump_stack_lvl+0xf8/0x160 [ 210.107579][ T6649] dump_stack+0x1c/0x5c [ 210.108141][ T6649] sysfs_create_dir_ns+0x22c/0x24c [ 210.108845][ T6649] kobject_add_internal+0x590/0xc54 [ 210.109557][ T6649] kobject_init_and_add+0x118/0x17c [ 210.110330][ T6649] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.111045][ T6649] gfs2_fill_super+0xdac/0x19e0 [ 210.111682][ T6649] get_tree_bdev+0x358/0x544 [ 210.112322][ T6649] gfs2_get_tree+0x54/0x1b4 [ 210.113061][ T6649] vfs_get_tree+0x90/0x274 [ 210.113669][ T6649] do_new_mount+0x228/0x810 [ 210.114296][ T6649] path_mount+0x5b4/0x1000 [ 210.114911][ T6649] __arm64_sys_mount+0x514/0x5e4 [ 210.115583][ T6649] invoke_syscall+0x98/0x2b8 [ 210.116253][ T6649] el0_svc_common+0x138/0x258 [ 210.116972][ T6649] do_el0_svc+0x58/0x14c [ 210.117657][ T6649] el0_svc+0x78/0x1e0 [ 210.118235][ T6649] el0t_64_sync_handler+0xcc/0xe4 [ 210.118963][ T6649] el0t_64_sync+0x1a0/0x1a4 [ 210.121070][ T6649] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.122902][ T6649] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.250083][ T6652] loop1: detected capacity change from 0 to 32768 [ 210.348940][ T6652] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.350144][ T6652] CPU: 0 PID: 6652 Comm: syz.1.572 Not tainted syzkaller #0 [ 210.351109][ T6652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.352450][ T6652] Call trace: [ 210.352883][ T6652] dump_backtrace+0x0/0x43c [ 210.353543][ T6652] show_stack+0x2c/0x3c [ 210.354102][ T6652] __dump_stack+0x30/0x40 [ 210.354749][ T6652] dump_stack_lvl+0xf8/0x160 [ 210.355396][ T6652] dump_stack+0x1c/0x5c [ 210.355962][ T6652] sysfs_create_dir_ns+0x22c/0x24c [ 210.356689][ T6652] kobject_add_internal+0x590/0xc54 [ 210.357462][ T6652] kobject_init_and_add+0x118/0x17c [ 210.358203][ T6652] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.358891][ T6652] gfs2_fill_super+0xdac/0x19e0 [ 210.359555][ T6652] get_tree_bdev+0x358/0x544 [ 210.360241][ T6652] gfs2_get_tree+0x54/0x1b4 [ 210.360813][ T6652] vfs_get_tree+0x90/0x274 [ 210.361394][ T6652] do_new_mount+0x228/0x810 [ 210.361992][ T6652] path_mount+0x5b4/0x1000 [ 210.362614][ T6652] __arm64_sys_mount+0x514/0x5e4 [ 210.363357][ T6652] invoke_syscall+0x98/0x2b8 [ 210.363948][ T6652] el0_svc_common+0x138/0x258 [ 210.364626][ T6652] do_el0_svc+0x58/0x14c [ 210.365246][ T6652] el0_svc+0x78/0x1e0 [ 210.365844][ T6652] el0t_64_sync_handler+0xcc/0xe4 [ 210.366586][ T6652] el0t_64_sync+0x1a0/0x1a4 [ 210.368646][ T6652] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.370368][ T6652] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.508672][ T6655] loop1: detected capacity change from 0 to 32768 [ 210.515809][ T6655] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.517049][ T6655] CPU: 1 PID: 6655 Comm: syz.1.573 Not tainted syzkaller #0 [ 210.518115][ T6655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.519566][ T6655] Call trace: [ 210.520071][ T6655] dump_backtrace+0x0/0x43c [ 210.520788][ T6655] show_stack+0x2c/0x3c [ 210.521332][ T6655] __dump_stack+0x30/0x40 [ 210.521992][ T6655] dump_stack_lvl+0xf8/0x160 [ 210.522587][ T6655] dump_stack+0x1c/0x5c [ 210.523188][ T6655] sysfs_create_dir_ns+0x22c/0x24c [ 210.523930][ T6655] kobject_add_internal+0x590/0xc54 [ 210.524711][ T6655] kobject_init_and_add+0x118/0x17c [ 210.525473][ T6655] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.526227][ T6655] gfs2_fill_super+0xdac/0x19e0 [ 210.526949][ T6655] get_tree_bdev+0x358/0x544 [ 210.527598][ T6655] gfs2_get_tree+0x54/0x1b4 [ 210.528245][ T6655] vfs_get_tree+0x90/0x274 [ 210.528821][ T6655] do_new_mount+0x228/0x810 [ 210.529428][ T6655] path_mount+0x5b4/0x1000 [ 210.530033][ T6655] __arm64_sys_mount+0x514/0x5e4 [ 210.530755][ T6655] invoke_syscall+0x98/0x2b8 [ 210.531404][ T6655] el0_svc_common+0x138/0x258 [ 210.532029][ T6655] do_el0_svc+0x58/0x14c [ 210.532665][ T6655] el0_svc+0x78/0x1e0 [ 210.533191][ T6655] el0t_64_sync_handler+0xcc/0xe4 [ 210.533912][ T6655] el0t_64_sync+0x1a0/0x1a4 [ 210.534631][ T6655] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.536535][ T6655] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.672988][ T6658] loop1: detected capacity change from 0 to 32768 [ 210.679789][ T6658] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.681058][ T6658] CPU: 1 PID: 6658 Comm: syz.1.574 Not tainted syzkaller #0 [ 210.682232][ T6658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.683760][ T6658] Call trace: [ 210.684231][ T6658] dump_backtrace+0x0/0x43c [ 210.684938][ T6658] show_stack+0x2c/0x3c [ 210.685508][ T6658] __dump_stack+0x30/0x40 [ 210.686209][ T6658] dump_stack_lvl+0xf8/0x160 [ 210.686850][ T6658] dump_stack+0x1c/0x5c [ 210.687431][ T6658] sysfs_create_dir_ns+0x22c/0x24c [ 210.688136][ T6658] kobject_add_internal+0x590/0xc54 [ 210.688913][ T6658] kobject_init_and_add+0x118/0x17c [ 210.689712][ T6658] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.690391][ T6658] gfs2_fill_super+0xdac/0x19e0 [ 210.691156][ T6658] get_tree_bdev+0x358/0x544 [ 210.691827][ T6658] gfs2_get_tree+0x54/0x1b4 [ 210.692529][ T6658] vfs_get_tree+0x90/0x274 [ 210.693207][ T6658] do_new_mount+0x228/0x810 [ 210.693885][ T6658] path_mount+0x5b4/0x1000 [ 210.694517][ T6658] __arm64_sys_mount+0x514/0x5e4 [ 210.695265][ T6658] invoke_syscall+0x98/0x2b8 [ 210.695899][ T6658] el0_svc_common+0x138/0x258 [ 210.696621][ T6658] do_el0_svc+0x58/0x14c [ 210.697237][ T6658] el0_svc+0x78/0x1e0 [ 210.697877][ T6658] el0t_64_sync_handler+0xcc/0xe4 [ 210.698661][ T6658] el0t_64_sync+0x1a0/0x1a4 [ 210.699528][ T6658] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.701518][ T6658] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.829904][ T6661] loop1: detected capacity change from 0 to 32768 [ 210.929591][ T6661] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.930758][ T6661] CPU: 0 PID: 6661 Comm: syz.1.575 Not tainted syzkaller #0 [ 210.931926][ T6661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.933431][ T6661] Call trace: [ 210.933918][ T6661] dump_backtrace+0x0/0x43c [ 210.934592][ T6661] show_stack+0x2c/0x3c [ 210.935195][ T6661] __dump_stack+0x30/0x40 [ 210.935849][ T6661] dump_stack_lvl+0xf8/0x160 [ 210.936529][ T6661] dump_stack+0x1c/0x5c [ 210.937134][ T6661] sysfs_create_dir_ns+0x22c/0x24c [ 210.937803][ T6661] kobject_add_internal+0x590/0xc54 [ 210.938542][ T6661] kobject_init_and_add+0x118/0x17c [ 210.939286][ T6661] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.940018][ T6661] gfs2_fill_super+0xdac/0x19e0 [ 210.940692][ T6661] get_tree_bdev+0x358/0x544 [ 210.941379][ T6661] gfs2_get_tree+0x54/0x1b4 [ 210.941995][ T6661] vfs_get_tree+0x90/0x274 [ 210.942599][ T6661] do_new_mount+0x228/0x810 [ 210.943232][ T6661] path_mount+0x5b4/0x1000 [ 210.944001][ T6661] __arm64_sys_mount+0x514/0x5e4 [ 210.944738][ T6661] invoke_syscall+0x98/0x2b8 [ 210.945466][ T6661] el0_svc_common+0x138/0x258 [ 210.946174][ T6661] do_el0_svc+0x58/0x14c [ 210.946868][ T6661] el0_svc+0x78/0x1e0 [ 210.947423][ T6661] el0t_64_sync_handler+0xcc/0xe4 [ 210.948114][ T6661] el0t_64_sync+0x1a0/0x1a4 [ 210.948967][ T6661] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.951023][ T6661] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.123310][ T6664] loop1: detected capacity change from 0 to 32768 [ 211.170776][ T6664] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.172039][ T6664] CPU: 1 PID: 6664 Comm: syz.1.576 Not tainted syzkaller #0 [ 211.173145][ T6664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.174660][ T6664] Call trace: [ 211.175167][ T6664] dump_backtrace+0x0/0x43c [ 211.175866][ T6664] show_stack+0x2c/0x3c [ 211.176428][ T6664] __dump_stack+0x30/0x40 [ 211.177011][ T6664] dump_stack_lvl+0xf8/0x160 [ 211.177680][ T6664] dump_stack+0x1c/0x5c [ 211.178259][ T6664] sysfs_create_dir_ns+0x22c/0x24c [ 211.179001][ T6664] kobject_add_internal+0x590/0xc54 [ 211.179841][ T6664] kobject_init_and_add+0x118/0x17c [ 211.180594][ T6664] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.181295][ T6664] gfs2_fill_super+0xdac/0x19e0 [ 211.182044][ T6664] get_tree_bdev+0x358/0x544 [ 211.182731][ T6664] gfs2_get_tree+0x54/0x1b4 [ 211.183408][ T6664] vfs_get_tree+0x90/0x274 [ 211.184091][ T6664] do_new_mount+0x228/0x810 [ 211.184807][ T6664] path_mount+0x5b4/0x1000 [ 211.185474][ T6664] __arm64_sys_mount+0x514/0x5e4 [ 211.186189][ T6664] invoke_syscall+0x98/0x2b8 [ 211.186860][ T6664] el0_svc_common+0x138/0x258 [ 211.187501][ T6664] do_el0_svc+0x58/0x14c [ 211.188094][ T6664] el0_svc+0x78/0x1e0 [ 211.188645][ T6664] el0t_64_sync_handler+0xcc/0xe4 [ 211.189410][ T6664] el0t_64_sync+0x1a0/0x1a4 [ 211.190241][ T6664] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.192024][ T6664] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.319593][ T6667] loop1: detected capacity change from 0 to 32768 [ 211.355894][ T6667] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.357732][ T6667] CPU: 0 PID: 6667 Comm: syz.1.577 Not tainted syzkaller #0 [ 211.358811][ T6667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.360301][ T6667] Call trace: [ 211.360732][ T6667] dump_backtrace+0x0/0x43c [ 211.361374][ T6667] show_stack+0x2c/0x3c [ 211.361987][ T6667] __dump_stack+0x30/0x40 [ 211.362592][ T6667] dump_stack_lvl+0xf8/0x160 [ 211.363219][ T6667] dump_stack+0x1c/0x5c [ 211.363810][ T6667] sysfs_create_dir_ns+0x22c/0x24c [ 211.364496][ T6667] kobject_add_internal+0x590/0xc54 [ 211.365259][ T6667] kobject_init_and_add+0x118/0x17c [ 211.365971][ T6667] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.366622][ T6667] gfs2_fill_super+0xdac/0x19e0 [ 211.367334][ T6667] get_tree_bdev+0x358/0x544 [ 211.367988][ T6667] gfs2_get_tree+0x54/0x1b4 [ 211.368649][ T6667] vfs_get_tree+0x90/0x274 [ 211.369271][ T6667] do_new_mount+0x228/0x810 [ 211.369917][ T6667] path_mount+0x5b4/0x1000 [ 211.370515][ T6667] __arm64_sys_mount+0x514/0x5e4 [ 211.371163][ T6667] invoke_syscall+0x98/0x2b8 [ 211.371770][ T6667] el0_svc_common+0x138/0x258 [ 211.372376][ T6667] do_el0_svc+0x58/0x14c [ 211.372907][ T6667] el0_svc+0x78/0x1e0 [ 211.373504][ T6667] el0t_64_sync_handler+0xcc/0xe4 [ 211.374165][ T6667] el0t_64_sync+0x1a0/0x1a4 [ 211.381857][ T6667] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.383669][ T6667] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.561584][ T6670] loop1: detected capacity change from 0 to 32768 [ 211.568790][ T6670] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.570064][ T6670] CPU: 1 PID: 6670 Comm: syz.1.578 Not tainted syzkaller #0 [ 211.571062][ T6670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.572485][ T6670] Call trace: [ 211.572938][ T6670] dump_backtrace+0x0/0x43c [ 211.573594][ T6670] show_stack+0x2c/0x3c [ 211.574226][ T6670] __dump_stack+0x30/0x40 [ 211.574859][ T6670] dump_stack_lvl+0xf8/0x160 [ 211.575577][ T6670] dump_stack+0x1c/0x5c [ 211.576209][ T6670] sysfs_create_dir_ns+0x22c/0x24c [ 211.577003][ T6670] kobject_add_internal+0x590/0xc54 [ 211.577779][ T6670] kobject_init_and_add+0x118/0x17c [ 211.578528][ T6670] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.579226][ T6670] gfs2_fill_super+0xdac/0x19e0 [ 211.579940][ T6670] get_tree_bdev+0x358/0x544 [ 211.580682][ T6670] gfs2_get_tree+0x54/0x1b4 [ 211.581268][ T6670] vfs_get_tree+0x90/0x274 [ 211.581922][ T6670] do_new_mount+0x228/0x810 [ 211.582587][ T6670] path_mount+0x5b4/0x1000 [ 211.583130][ T6670] __arm64_sys_mount+0x514/0x5e4 [ 211.583773][ T6670] invoke_syscall+0x98/0x2b8 [ 211.584412][ T6670] el0_svc_common+0x138/0x258 [ 211.585037][ T6670] do_el0_svc+0x58/0x14c [ 211.585710][ T6670] el0_svc+0x78/0x1e0 [ 211.586289][ T6670] el0t_64_sync_handler+0xcc/0xe4 [ 211.587127][ T6670] el0t_64_sync+0x1a0/0x1a4 [ 211.590561][ T6670] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.592397][ T6670] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.726335][ T6673] loop1: detected capacity change from 0 to 32768 [ 211.732705][ T6673] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.733868][ T6673] CPU: 0 PID: 6673 Comm: syz.1.579 Not tainted syzkaller #0 [ 211.734883][ T6673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.736315][ T6673] Call trace: [ 211.736818][ T6673] dump_backtrace+0x0/0x43c [ 211.737504][ T6673] show_stack+0x2c/0x3c [ 211.738135][ T6673] __dump_stack+0x30/0x40 [ 211.738782][ T6673] dump_stack_lvl+0xf8/0x160 [ 211.739484][ T6673] dump_stack+0x1c/0x5c [ 211.740103][ T6673] sysfs_create_dir_ns+0x22c/0x24c [ 211.740848][ T6673] kobject_add_internal+0x590/0xc54 [ 211.741672][ T6673] kobject_init_and_add+0x118/0x17c [ 211.742424][ T6673] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.743103][ T6673] gfs2_fill_super+0xdac/0x19e0 [ 211.743823][ T6673] get_tree_bdev+0x358/0x544 [ 211.744496][ T6673] gfs2_get_tree+0x54/0x1b4 [ 211.745211][ T6673] vfs_get_tree+0x90/0x274 [ 211.745842][ T6673] do_new_mount+0x228/0x810 [ 211.746499][ T6673] path_mount+0x5b4/0x1000 [ 211.747112][ T6673] __arm64_sys_mount+0x514/0x5e4 [ 211.747767][ T6673] invoke_syscall+0x98/0x2b8 [ 211.748448][ T6673] el0_svc_common+0x138/0x258 [ 211.749158][ T6673] do_el0_svc+0x58/0x14c [ 211.749718][ T6673] el0_svc+0x78/0x1e0 [ 211.750287][ T6673] el0t_64_sync_handler+0xcc/0xe4 [ 211.750922][ T6673] el0t_64_sync+0x1a0/0x1a4 [ 211.752776][ T6673] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.754643][ T6673] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.908319][ T6676] loop1: detected capacity change from 0 to 32768 [ 211.985040][ T6676] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.986231][ T6676] CPU: 1 PID: 6676 Comm: syz.1.580 Not tainted syzkaller #0 [ 211.987345][ T6676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.988803][ T6676] Call trace: [ 211.989224][ T6676] dump_backtrace+0x0/0x43c [ 211.989912][ T6676] show_stack+0x2c/0x3c [ 211.990535][ T6676] __dump_stack+0x30/0x40 [ 211.991152][ T6676] dump_stack_lvl+0xf8/0x160 [ 211.991789][ T6676] dump_stack+0x1c/0x5c [ 211.992423][ T6676] sysfs_create_dir_ns+0x22c/0x24c [ 211.993170][ T6676] kobject_add_internal+0x590/0xc54 [ 211.993931][ T6676] kobject_init_and_add+0x118/0x17c [ 211.994749][ T6676] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.995431][ T6676] gfs2_fill_super+0xdac/0x19e0 [ 211.996241][ T6676] get_tree_bdev+0x358/0x544 [ 211.996919][ T6676] gfs2_get_tree+0x54/0x1b4 [ 211.997641][ T6676] vfs_get_tree+0x90/0x274 [ 211.998287][ T6676] do_new_mount+0x228/0x810 [ 211.998979][ T6676] path_mount+0x5b4/0x1000 [ 211.999641][ T6676] __arm64_sys_mount+0x514/0x5e4 [ 212.000434][ T6676] invoke_syscall+0x98/0x2b8 [ 212.001148][ T6676] el0_svc_common+0x138/0x258 [ 212.001865][ T6676] do_el0_svc+0x58/0x14c [ 212.002500][ T6676] el0_svc+0x78/0x1e0 [ 212.003077][ T6676] el0t_64_sync_handler+0xcc/0xe4 [ 212.003783][ T6676] el0t_64_sync+0x1a0/0x1a4 [ 212.004537][ T6676] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.006566][ T6676] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.178144][ T6679] loop1: detected capacity change from 0 to 32768 [ 212.220325][ T6679] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.221466][ T6679] CPU: 0 PID: 6679 Comm: syz.1.581 Not tainted syzkaller #0 [ 212.222576][ T6679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.224092][ T6679] Call trace: [ 212.224583][ T6679] dump_backtrace+0x0/0x43c [ 212.225304][ T6679] show_stack+0x2c/0x3c [ 212.225914][ T6679] __dump_stack+0x30/0x40 [ 212.226565][ T6679] dump_stack_lvl+0xf8/0x160 [ 212.227284][ T6679] dump_stack+0x1c/0x5c [ 212.227905][ T6679] sysfs_create_dir_ns+0x22c/0x24c [ 212.228641][ T6679] kobject_add_internal+0x590/0xc54 [ 212.229436][ T6679] kobject_init_and_add+0x118/0x17c [ 212.230266][ T6679] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.230984][ T6679] gfs2_fill_super+0xdac/0x19e0 [ 212.231678][ T6679] get_tree_bdev+0x358/0x544 [ 212.232349][ T6679] gfs2_get_tree+0x54/0x1b4 [ 212.233013][ T6679] vfs_get_tree+0x90/0x274 [ 212.233637][ T6679] do_new_mount+0x228/0x810 [ 212.234280][ T6679] path_mount+0x5b4/0x1000 [ 212.234890][ T6679] __arm64_sys_mount+0x514/0x5e4 [ 212.235608][ T6679] invoke_syscall+0x98/0x2b8 [ 212.236274][ T6679] el0_svc_common+0x138/0x258 [ 212.236961][ T6679] do_el0_svc+0x58/0x14c [ 212.237560][ T6679] el0_svc+0x78/0x1e0 [ 212.238124][ T6679] el0t_64_sync_handler+0xcc/0xe4 [ 212.238803][ T6679] el0t_64_sync+0x1a0/0x1a4 [ 212.240834][ T6679] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.242660][ T6679] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.369461][ T6682] loop1: detected capacity change from 0 to 32768 [ 212.469139][ T6682] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.470436][ T6682] CPU: 0 PID: 6682 Comm: syz.1.582 Not tainted syzkaller #0 [ 212.471482][ T6682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.472926][ T6682] Call trace: [ 212.473403][ T6682] dump_backtrace+0x0/0x43c [ 212.474056][ T6682] show_stack+0x2c/0x3c [ 212.474691][ T6682] __dump_stack+0x30/0x40 [ 212.475355][ T6682] dump_stack_lvl+0xf8/0x160 [ 212.476020][ T6682] dump_stack+0x1c/0x5c [ 212.476609][ T6682] sysfs_create_dir_ns+0x22c/0x24c [ 212.477310][ T6682] kobject_add_internal+0x590/0xc54 [ 212.478022][ T6682] kobject_init_and_add+0x118/0x17c [ 212.478745][ T6682] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.479475][ T6682] gfs2_fill_super+0xdac/0x19e0 [ 212.480171][ T6682] get_tree_bdev+0x358/0x544 [ 212.480809][ T6682] gfs2_get_tree+0x54/0x1b4 [ 212.481517][ T6682] vfs_get_tree+0x90/0x274 [ 212.482130][ T6682] do_new_mount+0x228/0x810 [ 212.482756][ T6682] path_mount+0x5b4/0x1000 [ 212.483383][ T6682] __arm64_sys_mount+0x514/0x5e4 [ 212.484120][ T6682] invoke_syscall+0x98/0x2b8 [ 212.484822][ T6682] el0_svc_common+0x138/0x258 [ 212.485485][ T6682] do_el0_svc+0x58/0x14c [ 212.486109][ T6682] el0_svc+0x78/0x1e0 [ 212.486638][ T6682] el0t_64_sync_handler+0xcc/0xe4 [ 212.487347][ T6682] el0t_64_sync+0x1a0/0x1a4 [ 212.489489][ T6682] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.491301][ T6682] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.681127][ T6685] loop1: detected capacity change from 0 to 32768 [ 212.723089][ T6685] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.724252][ T6685] CPU: 0 PID: 6685 Comm: syz.1.583 Not tainted syzkaller #0 [ 212.725326][ T6685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.726879][ T6685] Call trace: [ 212.727314][ T6685] dump_backtrace+0x0/0x43c [ 212.728007][ T6685] show_stack+0x2c/0x3c [ 212.728586][ T6685] __dump_stack+0x30/0x40 [ 212.729225][ T6685] dump_stack_lvl+0xf8/0x160 [ 212.729940][ T6685] dump_stack+0x1c/0x5c [ 212.730557][ T6685] sysfs_create_dir_ns+0x22c/0x24c [ 212.731273][ T6685] kobject_add_internal+0x590/0xc54 [ 212.732086][ T6685] kobject_init_and_add+0x118/0x17c [ 212.732831][ T6685] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.733509][ T6685] gfs2_fill_super+0xdac/0x19e0 [ 212.734277][ T6685] get_tree_bdev+0x358/0x544 [ 212.734965][ T6685] gfs2_get_tree+0x54/0x1b4 [ 212.735606][ T6685] vfs_get_tree+0x90/0x274 [ 212.736236][ T6685] do_new_mount+0x228/0x810 [ 212.736877][ T6685] path_mount+0x5b4/0x1000 [ 212.737456][ T6685] __arm64_sys_mount+0x514/0x5e4 [ 212.738222][ T6685] invoke_syscall+0x98/0x2b8 [ 212.738944][ T6685] el0_svc_common+0x138/0x258 [ 212.739657][ T6685] do_el0_svc+0x58/0x14c [ 212.740274][ T6685] el0_svc+0x78/0x1e0 [ 212.740801][ T6685] el0t_64_sync_handler+0xcc/0xe4 [ 212.741552][ T6685] el0t_64_sync+0x1a0/0x1a4 [ 212.743649][ T6685] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.745662][ T6685] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.876583][ T6688] loop1: detected capacity change from 0 to 32768 [ 212.915771][ T6688] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.916841][ T6688] CPU: 0 PID: 6688 Comm: syz.1.584 Not tainted syzkaller #0 [ 212.917905][ T6688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.919254][ T6688] Call trace: [ 212.919691][ T6688] dump_backtrace+0x0/0x43c [ 212.920286][ T6688] show_stack+0x2c/0x3c [ 212.920825][ T6688] __dump_stack+0x30/0x40 [ 212.921427][ T6688] dump_stack_lvl+0xf8/0x160 [ 212.922090][ T6688] dump_stack+0x1c/0x5c [ 212.922656][ T6688] sysfs_create_dir_ns+0x22c/0x24c [ 212.923390][ T6688] kobject_add_internal+0x590/0xc54 [ 212.924095][ T6688] kobject_init_and_add+0x118/0x17c [ 212.924850][ T6688] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.925552][ T6688] gfs2_fill_super+0xdac/0x19e0 [ 212.926216][ T6688] get_tree_bdev+0x358/0x544 [ 212.926873][ T6688] gfs2_get_tree+0x54/0x1b4 [ 212.927502][ T6688] vfs_get_tree+0x90/0x274 [ 212.928127][ T6688] do_new_mount+0x228/0x810 [ 212.928846][ T6688] path_mount+0x5b4/0x1000 [ 212.929533][ T6688] __arm64_sys_mount+0x514/0x5e4 [ 212.930304][ T6688] invoke_syscall+0x98/0x2b8 [ 212.930971][ T6688] el0_svc_common+0x138/0x258 [ 212.931659][ T6688] do_el0_svc+0x58/0x14c [ 212.932237][ T6688] el0_svc+0x78/0x1e0 [ 212.932836][ T6688] el0t_64_sync_handler+0xcc/0xe4 [ 212.933622][ T6688] el0t_64_sync+0x1a0/0x1a4 [ 212.935825][ T6688] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.937668][ T6688] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.070388][ T6691] loop1: detected capacity change from 0 to 32768 [ 213.157044][ T6691] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.158221][ T6691] CPU: 1 PID: 6691 Comm: syz.1.585 Not tainted syzkaller #0 [ 213.159378][ T6691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.160892][ T6691] Call trace: [ 213.161408][ T6691] dump_backtrace+0x0/0x43c [ 213.162076][ T6691] show_stack+0x2c/0x3c [ 213.162645][ T6691] __dump_stack+0x30/0x40 [ 213.163262][ T6691] dump_stack_lvl+0xf8/0x160 [ 213.163988][ T6691] dump_stack+0x1c/0x5c [ 213.164612][ T6691] sysfs_create_dir_ns+0x22c/0x24c [ 213.165332][ T6691] kobject_add_internal+0x590/0xc54 [ 213.166114][ T6691] kobject_init_and_add+0x118/0x17c [ 213.166924][ T6691] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.167639][ T6691] gfs2_fill_super+0xdac/0x19e0 [ 213.168496][ T6691] get_tree_bdev+0x358/0x544 [ 213.169236][ T6691] gfs2_get_tree+0x54/0x1b4 [ 213.169922][ T6691] vfs_get_tree+0x90/0x274 [ 213.170585][ T6691] do_new_mount+0x228/0x810 [ 213.171265][ T6691] path_mount+0x5b4/0x1000 [ 213.171904][ T6691] __arm64_sys_mount+0x514/0x5e4 [ 213.172617][ T6691] invoke_syscall+0x98/0x2b8 [ 213.173297][ T6691] el0_svc_common+0x138/0x258 [ 213.173964][ T6691] do_el0_svc+0x58/0x14c [ 213.174570][ T6691] el0_svc+0x78/0x1e0 [ 213.175178][ T6691] el0t_64_sync_handler+0xcc/0xe4 [ 213.175909][ T6691] el0t_64_sync+0x1a0/0x1a4 [ 213.176761][ T6691] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.178599][ T6691] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.305511][ T6694] loop1: detected capacity change from 0 to 32768 [ 213.345381][ T6694] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.346621][ T6694] CPU: 1 PID: 6694 Comm: syz.1.586 Not tainted syzkaller #0 [ 213.347748][ T6694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.349242][ T6694] Call trace: [ 213.349734][ T6694] dump_backtrace+0x0/0x43c [ 213.350425][ T6694] show_stack+0x2c/0x3c [ 213.351104][ T6694] __dump_stack+0x30/0x40 [ 213.351958][ T6694] dump_stack_lvl+0xf8/0x160 [ 213.352636][ T6694] dump_stack+0x1c/0x5c [ 213.353307][ T6694] sysfs_create_dir_ns+0x22c/0x24c [ 213.354082][ T6694] kobject_add_internal+0x590/0xc54 [ 213.354829][ T6694] kobject_init_and_add+0x118/0x17c [ 213.355602][ T6694] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.356327][ T6694] gfs2_fill_super+0xdac/0x19e0 [ 213.356986][ T6694] get_tree_bdev+0x358/0x544 [ 213.357621][ T6694] gfs2_get_tree+0x54/0x1b4 [ 213.358214][ T6694] vfs_get_tree+0x90/0x274 [ 213.358802][ T6694] do_new_mount+0x228/0x810 [ 213.359375][ T6694] path_mount+0x5b4/0x1000 [ 213.360005][ T6694] __arm64_sys_mount+0x514/0x5e4 [ 213.360673][ T6694] invoke_syscall+0x98/0x2b8 [ 213.361346][ T6694] el0_svc_common+0x138/0x258 [ 213.362041][ T6694] do_el0_svc+0x58/0x14c [ 213.362614][ T6694] el0_svc+0x78/0x1e0 [ 213.363205][ T6694] el0t_64_sync_handler+0xcc/0xe4 [ 213.363955][ T6694] el0t_64_sync+0x1a0/0x1a4 [ 213.364806][ T6694] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.366713][ T6694] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:33 executed programs: 573 [ 213.536175][ T6697] loop1: detected capacity change from 0 to 32768 [ 213.542857][ T6697] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.544085][ T6697] CPU: 0 PID: 6697 Comm: syz.1.587 Not tainted syzkaller #0 [ 213.545200][ T6697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.546686][ T6697] Call trace: [ 213.547183][ T6697] dump_backtrace+0x0/0x43c [ 213.547881][ T6697] show_stack+0x2c/0x3c [ 213.548528][ T6697] __dump_stack+0x30/0x40 [ 213.549195][ T6697] dump_stack_lvl+0xf8/0x160 [ 213.549904][ T6697] dump_stack+0x1c/0x5c [ 213.550451][ T6697] sysfs_create_dir_ns+0x22c/0x24c [ 213.551092][ T6697] kobject_add_internal+0x590/0xc54 [ 213.551843][ T6697] kobject_init_and_add+0x118/0x17c [ 213.552601][ T6697] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.553244][ T6697] gfs2_fill_super+0xdac/0x19e0 [ 213.553874][ T6697] get_tree_bdev+0x358/0x544 [ 213.554512][ T6697] gfs2_get_tree+0x54/0x1b4 [ 213.555167][ T6697] vfs_get_tree+0x90/0x274 [ 213.555772][ T6697] do_new_mount+0x228/0x810 [ 213.556381][ T6697] path_mount+0x5b4/0x1000 [ 213.557045][ T6697] __arm64_sys_mount+0x514/0x5e4 [ 213.557788][ T6697] invoke_syscall+0x98/0x2b8 [ 213.558350][ T6697] el0_svc_common+0x138/0x258 [ 213.559004][ T6697] do_el0_svc+0x58/0x14c [ 213.559563][ T6697] el0_svc+0x78/0x1e0 [ 213.560185][ T6697] el0t_64_sync_handler+0xcc/0xe4 [ 213.560889][ T6697] el0t_64_sync+0x1a0/0x1a4 [ 213.562971][ T6697] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.566335][ T6697] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.703009][ T6700] loop1: detected capacity change from 0 to 32768 [ 213.735351][ T6700] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.736635][ T6700] CPU: 0 PID: 6700 Comm: syz.1.588 Not tainted syzkaller #0 [ 213.737594][ T6700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.739165][ T6700] Call trace: [ 213.739666][ T6700] dump_backtrace+0x0/0x43c [ 213.740411][ T6700] show_stack+0x2c/0x3c [ 213.740979][ T6700] __dump_stack+0x30/0x40 [ 213.741616][ T6700] dump_stack_lvl+0xf8/0x160 [ 213.742250][ T6700] dump_stack+0x1c/0x5c [ 213.742881][ T6700] sysfs_create_dir_ns+0x22c/0x24c [ 213.743537][ T6700] kobject_add_internal+0x590/0xc54 [ 213.744305][ T6700] kobject_init_and_add+0x118/0x17c [ 213.745016][ T6700] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.745694][ T6700] gfs2_fill_super+0xdac/0x19e0 [ 213.746393][ T6700] get_tree_bdev+0x358/0x544 [ 213.747020][ T6700] gfs2_get_tree+0x54/0x1b4 [ 213.747635][ T6700] vfs_get_tree+0x90/0x274 [ 213.748242][ T6700] do_new_mount+0x228/0x810 [ 213.748933][ T6700] path_mount+0x5b4/0x1000 [ 213.749626][ T6700] __arm64_sys_mount+0x514/0x5e4 [ 213.750358][ T6700] invoke_syscall+0x98/0x2b8 [ 213.751060][ T6700] el0_svc_common+0x138/0x258 [ 213.751707][ T6700] do_el0_svc+0x58/0x14c [ 213.752264][ T6700] el0_svc+0x78/0x1e0 [ 213.752788][ T6700] el0t_64_sync_handler+0xcc/0xe4 [ 213.753497][ T6700] el0t_64_sync+0x1a0/0x1a4 [ 213.755601][ T6700] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.757507][ T6700] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.925661][ T6703] loop1: detected capacity change from 0 to 32768 [ 214.005044][ T6703] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.006229][ T6703] CPU: 0 PID: 6703 Comm: syz.1.589 Not tainted syzkaller #0 [ 214.007330][ T6703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.008827][ T6703] Call trace: [ 214.009277][ T6703] dump_backtrace+0x0/0x43c [ 214.009916][ T6703] show_stack+0x2c/0x3c [ 214.010523][ T6703] __dump_stack+0x30/0x40 [ 214.011069][ T6703] dump_stack_lvl+0xf8/0x160 [ 214.011754][ T6703] dump_stack+0x1c/0x5c [ 214.012356][ T6703] sysfs_create_dir_ns+0x22c/0x24c [ 214.013053][ T6703] kobject_add_internal+0x590/0xc54 [ 214.013861][ T6703] kobject_init_and_add+0x118/0x17c [ 214.014585][ T6703] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.015277][ T6703] gfs2_fill_super+0xdac/0x19e0 [ 214.015934][ T6703] get_tree_bdev+0x358/0x544 [ 214.016611][ T6703] gfs2_get_tree+0x54/0x1b4 [ 214.017251][ T6703] vfs_get_tree+0x90/0x274 [ 214.017888][ T6703] do_new_mount+0x228/0x810 [ 214.018534][ T6703] path_mount+0x5b4/0x1000 [ 214.019180][ T6703] __arm64_sys_mount+0x514/0x5e4 [ 214.019868][ T6703] invoke_syscall+0x98/0x2b8 [ 214.020527][ T6703] el0_svc_common+0x138/0x258 [ 214.021213][ T6703] do_el0_svc+0x58/0x14c [ 214.021800][ T6703] el0_svc+0x78/0x1e0 [ 214.022364][ T6703] el0t_64_sync_handler+0xcc/0xe4 [ 214.023071][ T6703] el0t_64_sync+0x1a0/0x1a4 [ 214.026346][ T6703] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.028164][ T6703] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.209860][ T6706] loop1: detected capacity change from 0 to 32768 [ 214.245495][ T6706] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.247360][ T6706] CPU: 0 PID: 6706 Comm: syz.1.590 Not tainted syzkaller #0 [ 214.248463][ T6706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.249895][ T6706] Call trace: [ 214.250351][ T6706] dump_backtrace+0x0/0x43c [ 214.250953][ T6706] show_stack+0x2c/0x3c [ 214.251553][ T6706] __dump_stack+0x30/0x40 [ 214.252183][ T6706] dump_stack_lvl+0xf8/0x160 [ 214.252835][ T6706] dump_stack+0x1c/0x5c [ 214.253423][ T6706] sysfs_create_dir_ns+0x22c/0x24c [ 214.254158][ T6706] kobject_add_internal+0x590/0xc54 [ 214.254992][ T6706] kobject_init_and_add+0x118/0x17c [ 214.255832][ T6706] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.256584][ T6706] gfs2_fill_super+0xdac/0x19e0 [ 214.257297][ T6706] get_tree_bdev+0x358/0x544 [ 214.257978][ T6706] gfs2_get_tree+0x54/0x1b4 [ 214.258614][ T6706] vfs_get_tree+0x90/0x274 [ 214.259253][ T6706] do_new_mount+0x228/0x810 [ 214.259909][ T6706] path_mount+0x5b4/0x1000 [ 214.260570][ T6706] __arm64_sys_mount+0x514/0x5e4 [ 214.261293][ T6706] invoke_syscall+0x98/0x2b8 [ 214.261956][ T6706] el0_svc_common+0x138/0x258 [ 214.262689][ T6706] do_el0_svc+0x58/0x14c [ 214.263367][ T6706] el0_svc+0x78/0x1e0 [ 214.263926][ T6706] el0t_64_sync_handler+0xcc/0xe4 [ 214.264653][ T6706] el0t_64_sync+0x1a0/0x1a4 [ 214.266897][ T6706] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.268819][ T6706] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.402433][ T6709] loop1: detected capacity change from 0 to 32768 [ 214.409588][ T6709] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.410763][ T6709] CPU: 0 PID: 6709 Comm: syz.1.591 Not tainted syzkaller #0 [ 214.411744][ T6709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.413212][ T6709] Call trace: [ 214.413651][ T6709] dump_backtrace+0x0/0x43c [ 214.414262][ T6709] show_stack+0x2c/0x3c [ 214.414869][ T6709] __dump_stack+0x30/0x40 [ 214.415520][ T6709] dump_stack_lvl+0xf8/0x160 [ 214.416149][ T6709] dump_stack+0x1c/0x5c [ 214.416926][ T6709] sysfs_create_dir_ns+0x22c/0x24c [ 214.417691][ T6709] kobject_add_internal+0x590/0xc54 [ 214.418465][ T6709] kobject_init_and_add+0x118/0x17c [ 214.419372][ T6709] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.420153][ T6709] gfs2_fill_super+0xdac/0x19e0 [ 214.420932][ T6709] get_tree_bdev+0x358/0x544 [ 214.421569][ T6709] gfs2_get_tree+0x54/0x1b4 [ 214.422217][ T6709] vfs_get_tree+0x90/0x274 [ 214.422843][ T6709] do_new_mount+0x228/0x810 [ 214.423521][ T6709] path_mount+0x5b4/0x1000 [ 214.424130][ T6709] __arm64_sys_mount+0x514/0x5e4 [ 214.424855][ T6709] invoke_syscall+0x98/0x2b8 [ 214.425554][ T6709] el0_svc_common+0x138/0x258 [ 214.426177][ T6709] do_el0_svc+0x58/0x14c [ 214.426791][ T6709] el0_svc+0x78/0x1e0 [ 214.427401][ T6709] el0t_64_sync_handler+0xcc/0xe4 [ 214.428165][ T6709] el0t_64_sync+0x1a0/0x1a4 [ 214.430389][ T6709] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.432244][ T6709] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.568646][ T6712] loop1: detected capacity change from 0 to 32768 [ 214.575772][ T6712] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.576761][ T6712] CPU: 1 PID: 6712 Comm: syz.1.592 Not tainted syzkaller #0 [ 214.577728][ T6712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.579203][ T6712] Call trace: [ 214.579676][ T6712] dump_backtrace+0x0/0x43c [ 214.580303][ T6712] show_stack+0x2c/0x3c [ 214.580878][ T6712] __dump_stack+0x30/0x40 [ 214.581487][ T6712] dump_stack_lvl+0xf8/0x160 [ 214.582150][ T6712] dump_stack+0x1c/0x5c [ 214.582770][ T6712] sysfs_create_dir_ns+0x22c/0x24c [ 214.583504][ T6712] kobject_add_internal+0x590/0xc54 [ 214.584301][ T6712] kobject_init_and_add+0x118/0x17c [ 214.585072][ T6712] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.585696][ T6712] gfs2_fill_super+0xdac/0x19e0 [ 214.586421][ T6712] get_tree_bdev+0x358/0x544 [ 214.587076][ T6712] gfs2_get_tree+0x54/0x1b4 [ 214.587702][ T6712] vfs_get_tree+0x90/0x274 [ 214.588315][ T6712] do_new_mount+0x228/0x810 [ 214.589011][ T6712] path_mount+0x5b4/0x1000 [ 214.589590][ T6712] __arm64_sys_mount+0x514/0x5e4 [ 214.590275][ T6712] invoke_syscall+0x98/0x2b8 [ 214.590998][ T6712] el0_svc_common+0x138/0x258 [ 214.591807][ T6712] do_el0_svc+0x58/0x14c [ 214.592430][ T6712] el0_svc+0x78/0x1e0 [ 214.593002][ T6712] el0t_64_sync_handler+0xcc/0xe4 [ 214.593779][ T6712] el0t_64_sync+0x1a0/0x1a4 [ 214.595749][ T6712] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.597539][ T6712] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.789195][ T6715] loop1: detected capacity change from 0 to 32768 [ 214.866113][ T6715] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.867186][ T6715] CPU: 1 PID: 6715 Comm: syz.1.593 Not tainted syzkaller #0 [ 214.868251][ T6715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.869798][ T6715] Call trace: [ 214.870264][ T6715] dump_backtrace+0x0/0x43c [ 214.870941][ T6715] show_stack+0x2c/0x3c [ 214.871573][ T6715] __dump_stack+0x30/0x40 [ 214.872207][ T6715] dump_stack_lvl+0xf8/0x160 [ 214.872841][ T6715] dump_stack+0x1c/0x5c [ 214.873436][ T6715] sysfs_create_dir_ns+0x22c/0x24c [ 214.874107][ T6715] kobject_add_internal+0x590/0xc54 [ 214.874805][ T6715] kobject_init_and_add+0x118/0x17c [ 214.875542][ T6715] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.876245][ T6715] gfs2_fill_super+0xdac/0x19e0 [ 214.876941][ T6715] get_tree_bdev+0x358/0x544 [ 214.877619][ T6715] gfs2_get_tree+0x54/0x1b4 [ 214.878291][ T6715] vfs_get_tree+0x90/0x274 [ 214.879001][ T6715] do_new_mount+0x228/0x810 [ 214.879673][ T6715] path_mount+0x5b4/0x1000 [ 214.880332][ T6715] __arm64_sys_mount+0x514/0x5e4 [ 214.881141][ T6715] invoke_syscall+0x98/0x2b8 [ 214.881844][ T6715] el0_svc_common+0x138/0x258 [ 214.882633][ T6715] do_el0_svc+0x58/0x14c [ 214.883319][ T6715] el0_svc+0x78/0x1e0 [ 214.883933][ T6715] el0t_64_sync_handler+0xcc/0xe4 [ 214.884688][ T6715] el0t_64_sync+0x1a0/0x1a4 [ 214.886873][ T6715] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.888917][ T6715] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.017342][ T6718] loop1: detected capacity change from 0 to 32768 [ 215.054796][ T4208] Bluetooth: hci0: command 0x0406 tx timeout [ 215.119086][ T6718] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.120264][ T6718] CPU: 0 PID: 6718 Comm: syz.1.594 Not tainted syzkaller #0 [ 215.121320][ T6718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.122765][ T6718] Call trace: [ 215.123235][ T6718] dump_backtrace+0x0/0x43c [ 215.123913][ T6718] show_stack+0x2c/0x3c [ 215.124456][ T6718] __dump_stack+0x30/0x40 [ 215.125060][ T6718] dump_stack_lvl+0xf8/0x160 [ 215.125725][ T6718] dump_stack+0x1c/0x5c [ 215.126289][ T6718] sysfs_create_dir_ns+0x22c/0x24c [ 215.127100][ T6718] kobject_add_internal+0x590/0xc54 [ 215.127946][ T6718] kobject_init_and_add+0x118/0x17c [ 215.128737][ T6718] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.129436][ T6718] gfs2_fill_super+0xdac/0x19e0 [ 215.130143][ T6718] get_tree_bdev+0x358/0x544 [ 215.130831][ T6718] gfs2_get_tree+0x54/0x1b4 [ 215.131469][ T6718] vfs_get_tree+0x90/0x274 [ 215.132075][ T6718] do_new_mount+0x228/0x810 [ 215.132753][ T6718] path_mount+0x5b4/0x1000 [ 215.133378][ T6718] __arm64_sys_mount+0x514/0x5e4 [ 215.134142][ T6718] invoke_syscall+0x98/0x2b8 [ 215.134814][ T6718] el0_svc_common+0x138/0x258 [ 215.135509][ T6718] do_el0_svc+0x58/0x14c [ 215.136119][ T6718] el0_svc+0x78/0x1e0 [ 215.136709][ T6718] el0t_64_sync_handler+0xcc/0xe4 [ 215.137429][ T6718] el0t_64_sync+0x1a0/0x1a4 [ 215.138341][ T6718] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.140131][ T6718] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.308068][ T6721] loop1: detected capacity change from 0 to 32768 [ 215.350254][ T6721] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.351556][ T6721] CPU: 1 PID: 6721 Comm: syz.1.595 Not tainted syzkaller #0 [ 215.352707][ T6721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.354244][ T6721] Call trace: [ 215.354735][ T6721] dump_backtrace+0x0/0x43c [ 215.355434][ T6721] show_stack+0x2c/0x3c [ 215.356051][ T6721] __dump_stack+0x30/0x40 [ 215.356728][ T6721] dump_stack_lvl+0xf8/0x160 [ 215.357423][ T6721] dump_stack+0x1c/0x5c [ 215.358153][ T6721] sysfs_create_dir_ns+0x22c/0x24c [ 215.359029][ T6721] kobject_add_internal+0x590/0xc54 [ 215.359857][ T6721] kobject_init_and_add+0x118/0x17c [ 215.360689][ T6721] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.361496][ T6721] gfs2_fill_super+0xdac/0x19e0 [ 215.362202][ T6721] get_tree_bdev+0x358/0x544 [ 215.362876][ T6721] gfs2_get_tree+0x54/0x1b4 [ 215.363653][ T6721] vfs_get_tree+0x90/0x274 [ 215.364331][ T6721] do_new_mount+0x228/0x810 [ 215.364949][ T6721] path_mount+0x5b4/0x1000 [ 215.365621][ T6721] __arm64_sys_mount+0x514/0x5e4 [ 215.366425][ T6721] invoke_syscall+0x98/0x2b8 [ 215.367152][ T6721] el0_svc_common+0x138/0x258 [ 215.367841][ T6721] do_el0_svc+0x58/0x14c [ 215.368447][ T6721] el0_svc+0x78/0x1e0 [ 215.369042][ T6721] el0t_64_sync_handler+0xcc/0xe4 [ 215.369721][ T6721] el0t_64_sync+0x1a0/0x1a4 [ 215.372000][ T6721] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.373841][ T6721] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.504944][ T6724] loop1: detected capacity change from 0 to 32768 [ 215.545717][ T6724] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.546916][ T6724] CPU: 0 PID: 6724 Comm: syz.1.596 Not tainted syzkaller #0 [ 215.548027][ T6724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.549605][ T6724] Call trace: [ 215.550096][ T6724] dump_backtrace+0x0/0x43c [ 215.550760][ T6724] show_stack+0x2c/0x3c [ 215.551521][ T6724] __dump_stack+0x30/0x40 [ 215.552201][ T6724] dump_stack_lvl+0xf8/0x160 [ 215.552910][ T6724] dump_stack+0x1c/0x5c [ 215.553577][ T6724] sysfs_create_dir_ns+0x22c/0x24c [ 215.554419][ T6724] kobject_add_internal+0x590/0xc54 [ 215.555275][ T6724] kobject_init_and_add+0x118/0x17c [ 215.556077][ T6724] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.556719][ T6724] gfs2_fill_super+0xdac/0x19e0 [ 215.557401][ T6724] get_tree_bdev+0x358/0x544 [ 215.558098][ T6724] gfs2_get_tree+0x54/0x1b4 [ 215.558850][ T6724] vfs_get_tree+0x90/0x274 [ 215.559502][ T6724] do_new_mount+0x228/0x810 [ 215.560151][ T6724] path_mount+0x5b4/0x1000 [ 215.560840][ T6724] __arm64_sys_mount+0x514/0x5e4 [ 215.561526][ T6724] invoke_syscall+0x98/0x2b8 [ 215.562173][ T6724] el0_svc_common+0x138/0x258 [ 215.562855][ T6724] do_el0_svc+0x58/0x14c [ 215.563459][ T6724] el0_svc+0x78/0x1e0 [ 215.564017][ T6724] el0t_64_sync_handler+0xcc/0xe4 [ 215.564742][ T6724] el0t_64_sync+0x1a0/0x1a4 [ 215.565562][ T6724] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.567693][ T6724] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.702246][ T6727] loop1: detected capacity change from 0 to 32768 [ 215.785065][ T6727] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.786351][ T6727] CPU: 1 PID: 6727 Comm: syz.1.597 Not tainted syzkaller #0 [ 215.787467][ T6727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.788951][ T6727] Call trace: [ 215.789462][ T6727] dump_backtrace+0x0/0x43c [ 215.790099][ T6727] show_stack+0x2c/0x3c [ 215.790669][ T6727] __dump_stack+0x30/0x40 [ 215.791276][ T6727] dump_stack_lvl+0xf8/0x160 [ 215.791902][ T6727] dump_stack+0x1c/0x5c [ 215.792533][ T6727] sysfs_create_dir_ns+0x22c/0x24c [ 215.793321][ T6727] kobject_add_internal+0x590/0xc54 [ 215.794090][ T6727] kobject_init_and_add+0x118/0x17c [ 215.794924][ T6727] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.795736][ T6727] gfs2_fill_super+0xdac/0x19e0 [ 215.796488][ T6727] get_tree_bdev+0x358/0x544 [ 215.797191][ T6727] gfs2_get_tree+0x54/0x1b4 [ 215.797875][ T6727] vfs_get_tree+0x90/0x274 [ 215.798610][ T6727] do_new_mount+0x228/0x810 [ 215.799263][ T6727] path_mount+0x5b4/0x1000 [ 215.799957][ T6727] __arm64_sys_mount+0x514/0x5e4 [ 215.800738][ T6727] invoke_syscall+0x98/0x2b8 [ 215.801459][ T6727] el0_svc_common+0x138/0x258 [ 215.802220][ T6727] do_el0_svc+0x58/0x14c [ 215.802854][ T6727] el0_svc+0x78/0x1e0 [ 215.803484][ T6727] el0t_64_sync_handler+0xcc/0xe4 [ 215.804192][ T6727] el0t_64_sync+0x1a0/0x1a4 [ 215.805088][ T6727] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.806874][ T6727] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.936234][ T6730] loop1: detected capacity change from 0 to 32768 [ 216.028417][ T6730] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.029560][ T6730] CPU: 0 PID: 6730 Comm: syz.1.598 Not tainted syzkaller #0 [ 216.030700][ T6730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.032335][ T6730] Call trace: [ 216.032827][ T6730] dump_backtrace+0x0/0x43c [ 216.033449][ T6730] show_stack+0x2c/0x3c [ 216.034079][ T6730] __dump_stack+0x30/0x40 [ 216.034752][ T6730] dump_stack_lvl+0xf8/0x160 [ 216.035535][ T6730] dump_stack+0x1c/0x5c [ 216.036249][ T6730] sysfs_create_dir_ns+0x22c/0x24c [ 216.037035][ T6730] kobject_add_internal+0x590/0xc54 [ 216.037756][ T6730] kobject_init_and_add+0x118/0x17c [ 216.038528][ T6730] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.039200][ T6730] gfs2_fill_super+0xdac/0x19e0 [ 216.039845][ T6730] get_tree_bdev+0x358/0x544 [ 216.040468][ T6730] gfs2_get_tree+0x54/0x1b4 [ 216.041100][ T6730] vfs_get_tree+0x90/0x274 [ 216.041804][ T6730] do_new_mount+0x228/0x810 [ 216.042455][ T6730] path_mount+0x5b4/0x1000 [ 216.043031][ T6730] __arm64_sys_mount+0x514/0x5e4 [ 216.043762][ T6730] invoke_syscall+0x98/0x2b8 [ 216.044409][ T6730] el0_svc_common+0x138/0x258 [ 216.045089][ T6730] do_el0_svc+0x58/0x14c [ 216.045674][ T6730] el0_svc+0x78/0x1e0 [ 216.046184][ T6730] el0t_64_sync_handler+0xcc/0xe4 [ 216.046889][ T6730] el0t_64_sync+0x1a0/0x1a4 [ 216.047656][ T6730] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.049478][ T6730] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.181880][ T6733] loop1: detected capacity change from 0 to 32768 [ 216.188333][ T6733] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.189544][ T6733] CPU: 0 PID: 6733 Comm: syz.1.599 Not tainted syzkaller #0 [ 216.190632][ T6733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.192069][ T6733] Call trace: [ 216.192505][ T6733] dump_backtrace+0x0/0x43c [ 216.193156][ T6733] show_stack+0x2c/0x3c [ 216.193727][ T6733] __dump_stack+0x30/0x40 [ 216.194298][ T6733] dump_stack_lvl+0xf8/0x160 [ 216.194962][ T6733] dump_stack+0x1c/0x5c [ 216.195585][ T6733] sysfs_create_dir_ns+0x22c/0x24c [ 216.196372][ T6733] kobject_add_internal+0x590/0xc54 [ 216.197076][ T6733] kobject_init_and_add+0x118/0x17c [ 216.197822][ T6733] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.198508][ T6733] gfs2_fill_super+0xdac/0x19e0 [ 216.199244][ T6733] get_tree_bdev+0x358/0x544 [ 216.199897][ T6733] gfs2_get_tree+0x54/0x1b4 [ 216.200537][ T6733] vfs_get_tree+0x90/0x274 [ 216.201250][ T6733] do_new_mount+0x228/0x810 [ 216.201938][ T6733] path_mount+0x5b4/0x1000 [ 216.202544][ T6733] __arm64_sys_mount+0x514/0x5e4 [ 216.203241][ T6733] invoke_syscall+0x98/0x2b8 [ 216.203917][ T6733] el0_svc_common+0x138/0x258 [ 216.204537][ T6733] do_el0_svc+0x58/0x14c [ 216.205147][ T6733] el0_svc+0x78/0x1e0 [ 216.205664][ T6733] el0t_64_sync_handler+0xcc/0xe4 [ 216.206356][ T6733] el0t_64_sync+0x1a0/0x1a4 [ 216.208350][ T6733] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.210179][ T6733] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.376304][ T6736] loop1: detected capacity change from 0 to 32768 [ 216.420772][ T6736] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.421939][ T6736] CPU: 1 PID: 6736 Comm: syz.1.600 Not tainted syzkaller #0 [ 216.423035][ T6736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.424513][ T6736] Call trace: [ 216.425017][ T6736] dump_backtrace+0x0/0x43c [ 216.425729][ T6736] show_stack+0x2c/0x3c [ 216.426376][ T6736] __dump_stack+0x30/0x40 [ 216.427031][ T6736] dump_stack_lvl+0xf8/0x160 [ 216.427695][ T6736] dump_stack+0x1c/0x5c [ 216.428351][ T6736] sysfs_create_dir_ns+0x22c/0x24c [ 216.429079][ T6736] kobject_add_internal+0x590/0xc54 [ 216.429829][ T6736] kobject_init_and_add+0x118/0x17c [ 216.430605][ T6736] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.431283][ T6736] gfs2_fill_super+0xdac/0x19e0 [ 216.431984][ T6736] get_tree_bdev+0x358/0x544 [ 216.432670][ T6736] gfs2_get_tree+0x54/0x1b4 [ 216.433331][ T6736] vfs_get_tree+0x90/0x274 [ 216.433968][ T6736] do_new_mount+0x228/0x810 [ 216.434613][ T6736] path_mount+0x5b4/0x1000 [ 216.435263][ T6736] __arm64_sys_mount+0x514/0x5e4 [ 216.435935][ T6736] invoke_syscall+0x98/0x2b8 [ 216.436628][ T6736] el0_svc_common+0x138/0x258 [ 216.437291][ T6736] do_el0_svc+0x58/0x14c [ 216.437859][ T6736] el0_svc+0x78/0x1e0 [ 216.438430][ T6736] el0t_64_sync_handler+0xcc/0xe4 [ 216.439128][ T6736] el0t_64_sync+0x1a0/0x1a4 [ 216.441563][ T6736] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.443390][ T6736] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.578749][ T6739] loop1: detected capacity change from 0 to 32768 [ 216.582891][ T6739] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.584128][ T6739] CPU: 1 PID: 6739 Comm: syz.1.601 Not tainted syzkaller #0 [ 216.585240][ T6739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.586742][ T6739] Call trace: [ 216.587206][ T6739] dump_backtrace+0x0/0x43c [ 216.587910][ T6739] show_stack+0x2c/0x3c [ 216.588498][ T6739] __dump_stack+0x30/0x40 [ 216.589185][ T6739] dump_stack_lvl+0xf8/0x160 [ 216.589952][ T6739] dump_stack+0x1c/0x5c [ 216.590655][ T6739] sysfs_create_dir_ns+0x22c/0x24c [ 216.591461][ T6739] kobject_add_internal+0x590/0xc54 [ 216.592251][ T6739] kobject_init_and_add+0x118/0x17c [ 216.593064][ T6739] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.593802][ T6739] gfs2_fill_super+0xdac/0x19e0 [ 216.594563][ T6739] get_tree_bdev+0x358/0x544 [ 216.595332][ T6739] gfs2_get_tree+0x54/0x1b4 [ 216.595979][ T6739] vfs_get_tree+0x90/0x274 [ 216.596655][ T6739] do_new_mount+0x228/0x810 [ 216.597346][ T6739] path_mount+0x5b4/0x1000 [ 216.598002][ T6739] __arm64_sys_mount+0x514/0x5e4 [ 216.598720][ T6739] invoke_syscall+0x98/0x2b8 [ 216.599360][ T6739] el0_svc_common+0x138/0x258 [ 216.600043][ T6739] do_el0_svc+0x58/0x14c [ 216.600644][ T6739] el0_svc+0x78/0x1e0 [ 216.601371][ T6739] el0t_64_sync_handler+0xcc/0xe4 [ 216.602239][ T6739] el0t_64_sync+0x1a0/0x1a4 [ 216.604980][ T6739] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.606841][ T6739] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.740015][ T6742] loop1: detected capacity change from 0 to 32768 [ 216.746832][ T6742] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.747917][ T6742] CPU: 0 PID: 6742 Comm: syz.1.602 Not tainted syzkaller #0 [ 216.748950][ T6742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.750361][ T6742] Call trace: [ 216.750920][ T6742] dump_backtrace+0x0/0x43c [ 216.751624][ T6742] show_stack+0x2c/0x3c [ 216.752251][ T6742] __dump_stack+0x30/0x40 [ 216.752914][ T6742] dump_stack_lvl+0xf8/0x160 [ 216.753606][ T6742] dump_stack+0x1c/0x5c [ 216.754169][ T6742] sysfs_create_dir_ns+0x22c/0x24c [ 216.754882][ T6742] kobject_add_internal+0x590/0xc54 [ 216.755628][ T6742] kobject_init_and_add+0x118/0x17c [ 216.756338][ T6742] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.757056][ T6742] gfs2_fill_super+0xdac/0x19e0 [ 216.757738][ T6742] get_tree_bdev+0x358/0x544 [ 216.758395][ T6742] gfs2_get_tree+0x54/0x1b4 [ 216.759072][ T6742] vfs_get_tree+0x90/0x274 [ 216.759716][ T6742] do_new_mount+0x228/0x810 [ 216.760341][ T6742] path_mount+0x5b4/0x1000 [ 216.760963][ T6742] __arm64_sys_mount+0x514/0x5e4 [ 216.761738][ T6742] invoke_syscall+0x98/0x2b8 [ 216.762476][ T6742] el0_svc_common+0x138/0x258 [ 216.763191][ T6742] do_el0_svc+0x58/0x14c [ 216.763825][ T6742] el0_svc+0x78/0x1e0 [ 216.764408][ T6742] el0t_64_sync_handler+0xcc/0xe4 [ 216.765126][ T6742] el0t_64_sync+0x1a0/0x1a4 [ 216.767144][ T6742] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.768958][ T6742] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.898427][ T6745] loop1: detected capacity change from 0 to 32768 [ 216.935353][ T6745] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.936457][ T6745] CPU: 0 PID: 6745 Comm: syz.1.603 Not tainted syzkaller #0 [ 216.937566][ T6745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.939019][ T6745] Call trace: [ 216.939538][ T6745] dump_backtrace+0x0/0x43c [ 216.940149][ T6745] show_stack+0x2c/0x3c [ 216.940770][ T6745] __dump_stack+0x30/0x40 [ 216.941378][ T6745] dump_stack_lvl+0xf8/0x160 [ 216.941991][ T6745] dump_stack+0x1c/0x5c [ 216.942579][ T6745] sysfs_create_dir_ns+0x22c/0x24c [ 216.943358][ T6745] kobject_add_internal+0x590/0xc54 [ 216.944113][ T6745] kobject_init_and_add+0x118/0x17c [ 216.944858][ T6745] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.945537][ T6745] gfs2_fill_super+0xdac/0x19e0 [ 216.946211][ T6745] get_tree_bdev+0x358/0x544 [ 216.946834][ T6745] gfs2_get_tree+0x54/0x1b4 [ 216.947491][ T6745] vfs_get_tree+0x90/0x274 [ 216.948112][ T6745] do_new_mount+0x228/0x810 [ 216.948734][ T6745] path_mount+0x5b4/0x1000 [ 216.949362][ T6745] __arm64_sys_mount+0x514/0x5e4 [ 216.950022][ T6745] invoke_syscall+0x98/0x2b8 [ 216.950650][ T6745] el0_svc_common+0x138/0x258 [ 216.951302][ T6745] do_el0_svc+0x58/0x14c [ 216.951951][ T6745] el0_svc+0x78/0x1e0 [ 216.952557][ T6745] el0t_64_sync_handler+0xcc/0xe4 [ 216.953323][ T6745] el0t_64_sync+0x1a0/0x1a4 [ 216.954202][ T6745] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.956197][ T6745] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.135173][ T6748] loop1: detected capacity change from 0 to 32768 [ 217.185317][ T6748] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.186588][ T6748] CPU: 0 PID: 6748 Comm: syz.1.604 Not tainted syzkaller #0 [ 217.187618][ T6748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.189138][ T6748] Call trace: [ 217.189588][ T6748] dump_backtrace+0x0/0x43c [ 217.190200][ T6748] show_stack+0x2c/0x3c [ 217.190814][ T6748] __dump_stack+0x30/0x40 [ 217.191433][ T6748] dump_stack_lvl+0xf8/0x160 [ 217.192087][ T6748] dump_stack+0x1c/0x5c [ 217.192655][ T6748] sysfs_create_dir_ns+0x22c/0x24c [ 217.193348][ T6748] kobject_add_internal+0x590/0xc54 [ 217.194110][ T6748] kobject_init_and_add+0x118/0x17c [ 217.194785][ T6748] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.195395][ T6748] gfs2_fill_super+0xdac/0x19e0 [ 217.196046][ T6748] get_tree_bdev+0x358/0x544 [ 217.196685][ T6748] gfs2_get_tree+0x54/0x1b4 [ 217.197292][ T6748] vfs_get_tree+0x90/0x274 [ 217.197888][ T6748] do_new_mount+0x228/0x810 [ 217.198549][ T6748] path_mount+0x5b4/0x1000 [ 217.199144][ T6748] __arm64_sys_mount+0x514/0x5e4 [ 217.199812][ T6748] invoke_syscall+0x98/0x2b8 [ 217.200428][ T6748] el0_svc_common+0x138/0x258 [ 217.201065][ T6748] do_el0_svc+0x58/0x14c [ 217.201699][ T6748] el0_svc+0x78/0x1e0 [ 217.202244][ T6748] el0t_64_sync_handler+0xcc/0xe4 [ 217.202911][ T6748] el0t_64_sync+0x1a0/0x1a4 [ 217.203635][ T6748] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.205661][ T6748] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.336995][ T6751] loop1: detected capacity change from 0 to 32768 [ 217.343313][ T6751] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.344492][ T6751] CPU: 1 PID: 6751 Comm: syz.1.605 Not tainted syzkaller #0 [ 217.345611][ T6751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.347097][ T6751] Call trace: [ 217.347568][ T6751] dump_backtrace+0x0/0x43c [ 217.348234][ T6751] show_stack+0x2c/0x3c [ 217.348836][ T6751] __dump_stack+0x30/0x40 [ 217.349489][ T6751] dump_stack_lvl+0xf8/0x160 [ 217.350157][ T6751] dump_stack+0x1c/0x5c [ 217.350748][ T6751] sysfs_create_dir_ns+0x22c/0x24c [ 217.351483][ T6751] kobject_add_internal+0x590/0xc54 [ 217.352266][ T6751] kobject_init_and_add+0x118/0x17c [ 217.353074][ T6751] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.353767][ T6751] gfs2_fill_super+0xdac/0x19e0 [ 217.354438][ T6751] get_tree_bdev+0x358/0x544 [ 217.355151][ T6751] gfs2_get_tree+0x54/0x1b4 [ 217.355824][ T6751] vfs_get_tree+0x90/0x274 [ 217.356447][ T6751] do_new_mount+0x228/0x810 [ 217.357057][ T6751] path_mount+0x5b4/0x1000 [ 217.357664][ T6751] __arm64_sys_mount+0x514/0x5e4 [ 217.358380][ T6751] invoke_syscall+0x98/0x2b8 [ 217.359039][ T6751] el0_svc_common+0x138/0x258 [ 217.359765][ T6751] do_el0_svc+0x58/0x14c [ 217.360402][ T6751] el0_svc+0x78/0x1e0 [ 217.360999][ T6751] el0t_64_sync_handler+0xcc/0xe4 [ 217.361738][ T6751] el0t_64_sync+0x1a0/0x1a4 [ 217.363566][ T6751] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.365554][ T6751] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.496737][ T6754] loop1: detected capacity change from 0 to 32768 [ 217.535406][ T6754] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.536607][ T6754] CPU: 1 PID: 6754 Comm: syz.1.606 Not tainted syzkaller #0 [ 217.537678][ T6754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.539214][ T6754] Call trace: [ 217.539669][ T6754] dump_backtrace+0x0/0x43c [ 217.540355][ T6754] show_stack+0x2c/0x3c [ 217.540960][ T6754] __dump_stack+0x30/0x40 [ 217.541583][ T6754] dump_stack_lvl+0xf8/0x160 [ 217.542231][ T6754] dump_stack+0x1c/0x5c [ 217.542798][ T6754] sysfs_create_dir_ns+0x22c/0x24c [ 217.543580][ T6754] kobject_add_internal+0x590/0xc54 [ 217.544445][ T6754] kobject_init_and_add+0x118/0x17c [ 217.545281][ T6754] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.546031][ T6754] gfs2_fill_super+0xdac/0x19e0 [ 217.546761][ T6754] get_tree_bdev+0x358/0x544 [ 217.547467][ T6754] gfs2_get_tree+0x54/0x1b4 [ 217.548326][ T6754] vfs_get_tree+0x90/0x274 [ 217.548978][ T6754] do_new_mount+0x228/0x810 [ 217.549652][ T6754] path_mount+0x5b4/0x1000 [ 217.550275][ T6754] __arm64_sys_mount+0x514/0x5e4 [ 217.551044][ T6754] invoke_syscall+0x98/0x2b8 [ 217.551739][ T6754] el0_svc_common+0x138/0x258 [ 217.552379][ T6754] do_el0_svc+0x58/0x14c [ 217.553016][ T6754] el0_svc+0x78/0x1e0 [ 217.553582][ T6754] el0t_64_sync_handler+0xcc/0xe4 [ 217.554380][ T6754] el0t_64_sync+0x1a0/0x1a4 [ 217.556549][ T6754] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.558268][ T6754] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.735760][ T6757] loop1: detected capacity change from 0 to 32768 [ 217.819442][ T6757] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.820861][ T6757] CPU: 1 PID: 6757 Comm: syz.1.607 Not tainted syzkaller #0 [ 217.821851][ T6757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.823222][ T6757] Call trace: [ 217.823692][ T6757] dump_backtrace+0x0/0x43c [ 217.824313][ T6757] show_stack+0x2c/0x3c [ 217.824911][ T6757] __dump_stack+0x30/0x40 [ 217.825515][ T6757] dump_stack_lvl+0xf8/0x160 [ 217.826213][ T6757] dump_stack+0x1c/0x5c [ 217.826798][ T6757] sysfs_create_dir_ns+0x22c/0x24c [ 217.827504][ T6757] kobject_add_internal+0x590/0xc54 [ 217.828284][ T6757] kobject_init_and_add+0x118/0x17c [ 217.829161][ T6757] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.829880][ T6757] gfs2_fill_super+0xdac/0x19e0 [ 217.830556][ T6757] get_tree_bdev+0x358/0x544 [ 217.831263][ T6757] gfs2_get_tree+0x54/0x1b4 [ 217.831943][ T6757] vfs_get_tree+0x90/0x274 [ 217.832615][ T6757] do_new_mount+0x228/0x810 [ 217.833274][ T6757] path_mount+0x5b4/0x1000 [ 217.833846][ T6757] __arm64_sys_mount+0x514/0x5e4 [ 217.834632][ T6757] invoke_syscall+0x98/0x2b8 [ 217.835275][ T6757] el0_svc_common+0x138/0x258 [ 217.835977][ T6757] do_el0_svc+0x58/0x14c [ 217.836577][ T6757] el0_svc+0x78/0x1e0 [ 217.837106][ T6757] el0t_64_sync_handler+0xcc/0xe4 [ 217.837834][ T6757] el0t_64_sync+0x1a0/0x1a4 [ 217.846070][ T6757] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.847948][ T6757] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.020239][ T6760] loop1: detected capacity change from 0 to 32768 [ 218.069941][ T6760] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.071208][ T6760] CPU: 0 PID: 6760 Comm: syz.1.608 Not tainted syzkaller #0 [ 218.072294][ T6760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.073714][ T6760] Call trace: [ 218.074192][ T6760] dump_backtrace+0x0/0x43c [ 218.074844][ T6760] show_stack+0x2c/0x3c [ 218.075506][ T6760] __dump_stack+0x30/0x40 [ 218.076174][ T6760] dump_stack_lvl+0xf8/0x160 [ 218.076870][ T6760] dump_stack+0x1c/0x5c [ 218.077439][ T6760] sysfs_create_dir_ns+0x22c/0x24c [ 218.078193][ T6760] kobject_add_internal+0x590/0xc54 [ 218.078966][ T6760] kobject_init_and_add+0x118/0x17c [ 218.079705][ T6760] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.080370][ T6760] gfs2_fill_super+0xdac/0x19e0 [ 218.081097][ T6760] get_tree_bdev+0x358/0x544 [ 218.081786][ T6760] gfs2_get_tree+0x54/0x1b4 [ 218.082388][ T6760] vfs_get_tree+0x90/0x274 [ 218.083029][ T6760] do_new_mount+0x228/0x810 [ 218.083690][ T6760] path_mount+0x5b4/0x1000 [ 218.084356][ T6760] __arm64_sys_mount+0x514/0x5e4 [ 218.085026][ T6760] invoke_syscall+0x98/0x2b8 [ 218.085669][ T6760] el0_svc_common+0x138/0x258 [ 218.086353][ T6760] do_el0_svc+0x58/0x14c [ 218.086985][ T6760] el0_svc+0x78/0x1e0 [ 218.087595][ T6760] el0t_64_sync_handler+0xcc/0xe4 [ 218.088316][ T6760] el0t_64_sync+0x1a0/0x1a4 [ 218.089171][ T6760] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.091003][ T6760] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.225130][ T6763] loop1: detected capacity change from 0 to 32768 [ 218.280830][ T6763] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.282081][ T6763] CPU: 0 PID: 6763 Comm: syz.1.609 Not tainted syzkaller #0 [ 218.283124][ T6763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.284532][ T6763] Call trace: [ 218.284999][ T6763] dump_backtrace+0x0/0x43c [ 218.285678][ T6763] show_stack+0x2c/0x3c [ 218.286283][ T6763] __dump_stack+0x30/0x40 [ 218.286971][ T6763] dump_stack_lvl+0xf8/0x160 [ 218.287667][ T6763] dump_stack+0x1c/0x5c [ 218.288279][ T6763] sysfs_create_dir_ns+0x22c/0x24c [ 218.289037][ T6763] kobject_add_internal+0x590/0xc54 [ 218.289817][ T6763] kobject_init_and_add+0x118/0x17c [ 218.290567][ T6763] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.291240][ T6763] gfs2_fill_super+0xdac/0x19e0 [ 218.291942][ T6763] get_tree_bdev+0x358/0x544 [ 218.292580][ T6763] gfs2_get_tree+0x54/0x1b4 [ 218.293232][ T6763] vfs_get_tree+0x90/0x274 [ 218.293831][ T6763] do_new_mount+0x228/0x810 [ 218.294404][ T6763] path_mount+0x5b4/0x1000 [ 218.295121][ T6763] __arm64_sys_mount+0x514/0x5e4 [ 218.295920][ T6763] invoke_syscall+0x98/0x2b8 [ 218.296599][ T6763] el0_svc_common+0x138/0x258 [ 218.297272][ T6763] do_el0_svc+0x58/0x14c [ 218.297975][ T6763] el0_svc+0x78/0x1e0 [ 218.298530][ T6763] el0t_64_sync_handler+0xcc/0xe4 [ 218.299287][ T6763] el0t_64_sync+0x1a0/0x1a4 [ 218.301341][ T6763] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.303335][ T6763] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.430583][ T6766] loop1: detected capacity change from 0 to 32768 [ 218.475691][ T6766] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.476800][ T6766] CPU: 0 PID: 6766 Comm: syz.1.610 Not tainted syzkaller #0 [ 218.477839][ T6766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.479274][ T6766] Call trace: [ 218.479749][ T6766] dump_backtrace+0x0/0x43c [ 218.480377][ T6766] show_stack+0x2c/0x3c [ 218.480992][ T6766] __dump_stack+0x30/0x40 [ 218.481569][ T6766] dump_stack_lvl+0xf8/0x160 [ 218.482174][ T6766] dump_stack+0x1c/0x5c [ 218.482737][ T6766] sysfs_create_dir_ns+0x22c/0x24c [ 218.483505][ T6766] kobject_add_internal+0x590/0xc54 [ 218.484201][ T6766] kobject_init_and_add+0x118/0x17c [ 218.484930][ T6766] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.485598][ T6766] gfs2_fill_super+0xdac/0x19e0 [ 218.486247][ T6766] get_tree_bdev+0x358/0x544 [ 218.486898][ T6766] gfs2_get_tree+0x54/0x1b4 [ 218.487506][ T6766] vfs_get_tree+0x90/0x274 [ 218.488141][ T6766] do_new_mount+0x228/0x810 [ 218.488927][ T6766] path_mount+0x5b4/0x1000 [ 218.489651][ T6766] __arm64_sys_mount+0x514/0x5e4 [ 218.490402][ T6766] invoke_syscall+0x98/0x2b8 [ 218.491064][ T6766] el0_svc_common+0x138/0x258 [ 218.491766][ T6766] do_el0_svc+0x58/0x14c [ 218.492510][ T6766] el0_svc+0x78/0x1e0 [ 218.493057][ T6766] el0t_64_sync_handler+0xcc/0xe4 [ 218.493798][ T6766] el0t_64_sync+0x1a0/0x1a4 [ 218.495966][ T6766] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.497737][ T6766] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:38 executed programs: 597 [ 218.667847][ T6769] loop1: detected capacity change from 0 to 32768 [ 218.705365][ T6769] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.706537][ T6769] CPU: 1 PID: 6769 Comm: syz.1.611 Not tainted syzkaller #0 [ 218.707616][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.709125][ T6769] Call trace: [ 218.709590][ T6769] dump_backtrace+0x0/0x43c [ 218.710303][ T6769] show_stack+0x2c/0x3c [ 218.710870][ T6769] __dump_stack+0x30/0x40 [ 218.711486][ T6769] dump_stack_lvl+0xf8/0x160 [ 218.712125][ T6769] dump_stack+0x1c/0x5c [ 218.712676][ T6769] sysfs_create_dir_ns+0x22c/0x24c [ 218.713400][ T6769] kobject_add_internal+0x590/0xc54 [ 218.714113][ T6769] kobject_init_and_add+0x118/0x17c [ 218.714868][ T6769] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.715602][ T6769] gfs2_fill_super+0xdac/0x19e0 [ 218.716306][ T6769] get_tree_bdev+0x358/0x544 [ 218.716995][ T6769] gfs2_get_tree+0x54/0x1b4 [ 218.717680][ T6769] vfs_get_tree+0x90/0x274 [ 218.718315][ T6769] do_new_mount+0x228/0x810 [ 218.718958][ T6769] path_mount+0x5b4/0x1000 [ 218.719569][ T6769] __arm64_sys_mount+0x514/0x5e4 [ 218.720307][ T6769] invoke_syscall+0x98/0x2b8 [ 218.720928][ T6769] el0_svc_common+0x138/0x258 [ 218.721599][ T6769] do_el0_svc+0x58/0x14c [ 218.722219][ T6769] el0_svc+0x78/0x1e0 [ 218.722820][ T6769] el0t_64_sync_handler+0xcc/0xe4 [ 218.723536][ T6769] el0t_64_sync+0x1a0/0x1a4 [ 218.724358][ T6769] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.726178][ T6769] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.868912][ T6772] loop1: detected capacity change from 0 to 32768 [ 218.905372][ T6772] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.906610][ T6772] CPU: 1 PID: 6772 Comm: syz.1.612 Not tainted syzkaller #0 [ 218.907742][ T6772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.909123][ T6772] Call trace: [ 218.909560][ T6772] dump_backtrace+0x0/0x43c [ 218.910218][ T6772] show_stack+0x2c/0x3c [ 218.910853][ T6772] __dump_stack+0x30/0x40 [ 218.911578][ T6772] dump_stack_lvl+0xf8/0x160 [ 218.912325][ T6772] dump_stack+0x1c/0x5c [ 218.912920][ T6772] sysfs_create_dir_ns+0x22c/0x24c [ 218.913711][ T6772] kobject_add_internal+0x590/0xc54 [ 218.914523][ T6772] kobject_init_and_add+0x118/0x17c [ 218.915315][ T6772] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.916080][ T6772] gfs2_fill_super+0xdac/0x19e0 [ 218.916816][ T6772] get_tree_bdev+0x358/0x544 [ 218.917482][ T6772] gfs2_get_tree+0x54/0x1b4 [ 218.918131][ T6772] vfs_get_tree+0x90/0x274 [ 218.918752][ T6772] do_new_mount+0x228/0x810 [ 218.919383][ T6772] path_mount+0x5b4/0x1000 [ 218.919997][ T6772] __arm64_sys_mount+0x514/0x5e4 [ 218.920660][ T6772] invoke_syscall+0x98/0x2b8 [ 218.921318][ T6772] el0_svc_common+0x138/0x258 [ 218.921935][ T6772] do_el0_svc+0x58/0x14c [ 218.922571][ T6772] el0_svc+0x78/0x1e0 [ 218.923152][ T6772] el0t_64_sync_handler+0xcc/0xe4 [ 218.923867][ T6772] el0t_64_sync+0x1a0/0x1a4 [ 218.925763][ T6772] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.927664][ T6772] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.055548][ T6775] loop1: detected capacity change from 0 to 32768 [ 219.105985][ T6775] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 219.107175][ T6775] CPU: 0 PID: 6775 Comm: syz.1.613 Not tainted syzkaller #0 [ 219.108285][ T6775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.109769][ T6775] Call trace: [ 219.110217][ T6775] dump_backtrace+0x0/0x43c [ 219.110786][ T6775] show_stack+0x2c/0x3c [ 219.111382][ T6775] __dump_stack+0x30/0x40 [ 219.112047][ T6775] dump_stack_lvl+0xf8/0x160 [ 219.112739][ T6775] dump_stack+0x1c/0x5c [ 219.113378][ T6775] sysfs_create_dir_ns+0x22c/0x24c [ 219.114147][ T6775] kobject_add_internal+0x590/0xc54 [ 219.114913][ T6775] kobject_init_and_add+0x118/0x17c [ 219.115640][ T6775] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.116326][ T6775] gfs2_fill_super+0xdac/0x19e0 [ 219.117027][ T6775] get_tree_bdev+0x358/0x544 [ 219.117693][ T6775] gfs2_get_tree+0x54/0x1b4 [ 219.118365][ T6775] vfs_get_tree+0x90/0x274 [ 219.118962][ T6775] do_new_mount+0x228/0x810 [ 219.119619][ T6775] path_mount+0x5b4/0x1000 [ 219.120226][ T6775] __arm64_sys_mount+0x514/0x5e4 [ 219.120935][ T6775] invoke_syscall+0x98/0x2b8 [ 219.121584][ T6775] el0_svc_common+0x138/0x258 [ 219.122255][ T6775] do_el0_svc+0x58/0x14c [ 219.122888][ T6775] el0_svc+0x78/0x1e0 [ 219.123473][ T6775] el0t_64_sync_handler+0xcc/0xe4 [ 219.124169][ T6775] el0t_64_sync+0x1a0/0x1a4 [ 219.126195][ T6775] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.128012][ T6775] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.258906][ T6778] loop1: detected capacity change from 0 to 32768 [ 219.305440][ T6778] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 219.306611][ T6778] CPU: 0 PID: 6778 Comm: syz.1.614 Not tainted syzkaller #0 [ 219.307812][ T6778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.309430][ T6778] Call trace: [ 219.309915][ T6778] dump_backtrace+0x0/0x43c [ 219.310580][ T6778] show_stack+0x2c/0x3c [ 219.311189][ T6778] __dump_stack+0x30/0x40 [ 219.311798][ T6778] dump_stack_lvl+0xf8/0x160 [ 219.312440][ T6778] dump_stack+0x1c/0x5c [ 219.313021][ T6778] sysfs_create_dir_ns+0x22c/0x24c [ 219.313733][ T6778] kobject_add_internal+0x590/0xc54 [ 219.314468][ T6778] kobject_init_and_add+0x118/0x17c [ 219.315260][ T6778] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.315933][ T6778] gfs2_fill_super+0xdac/0x19e0 [ 219.316593][ T6778] get_tree_bdev+0x358/0x544 [ 219.317215][ T6778] gfs2_get_tree+0x54/0x1b4 [ 219.317868][ T6778] vfs_get_tree+0x90/0x274 [ 219.318456][ T6778] do_new_mount+0x228/0x810 [ 219.319088][ T6778] path_mount+0x5b4/0x1000 [ 219.319685][ T6778] __arm64_sys_mount+0x514/0x5e4 [ 219.320394][ T6778] invoke_syscall+0x98/0x2b8 [ 219.321087][ T6778] el0_svc_common+0x138/0x258 [ 219.321757][ T6778] do_el0_svc+0x58/0x14c [ 219.322338][ T6778] el0_svc+0x78/0x1e0 [ 219.322906][ T6778] el0t_64_sync_handler+0xcc/0xe4 [ 219.323584][ T6778] el0t_64_sync+0x1a0/0x1a4 [ 219.325782][ T6778] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.327582][ T6778] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.498971][ T6781] loop1: detected capacity change from 0 to 32768 [ 219.535515][ T6781] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 219.536666][ T6781] CPU: 0 PID: 6781 Comm: syz.1.615 Not tainted syzkaller #0 [ 219.537692][ T6781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.539183][ T6781] Call trace: [ 219.539624][ T6781] dump_backtrace+0x0/0x43c [ 219.540337][ T6781] show_stack+0x2c/0x3c [ 219.540933][ T6781] __dump_stack+0x30/0x40 [ 219.541575][ T6781] dump_stack_lvl+0xf8/0x160 [ 219.542198][ T6781] dump_stack+0x1c/0x5c [ 219.542808][ T6781] sysfs_create_dir_ns+0x22c/0x24c [ 219.543559][ T6781] kobject_add_internal+0x590/0xc54 [ 219.544308][ T6781] kobject_init_and_add+0x118/0x17c [ 219.545069][ T6781] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.545723][ T6781] gfs2_fill_super+0xdac/0x19e0 [ 219.546491][ T6781] get_tree_bdev+0x358/0x544 [ 219.547141][ T6781] gfs2_get_tree+0x54/0x1b4 [ 219.547769][ T6781] vfs_get_tree+0x90/0x274 [ 219.548333][ T6781] do_new_mount+0x228/0x810 [ 219.548939][ T6781] path_mount+0x5b4/0x1000 [ 219.549545][ T6781] __arm64_sys_mount+0x514/0x5e4 [ 219.550165][ T6781] invoke_syscall+0x98/0x2b8 [ 219.550770][ T6781] el0_svc_common+0x138/0x258 [ 219.551448][ T6781] do_el0_svc+0x58/0x14c [ 219.552090][ T6781] el0_svc+0x78/0x1e0 [ 219.552696][ T6781] el0t_64_sync_handler+0xcc/0xe4 [ 219.553387][ T6781] el0t_64_sync+0x1a0/0x1a4 [ 219.555312][ T6781] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.557090][ T6781] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.688235][ T6784] loop1: detected capacity change from 0 to 32768 [ 219.715420][ T6784] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 219.716601][ T6784] CPU: 1 PID: 6784 Comm: syz.1.616 Not tainted syzkaller #0 [ 219.717625][ T6784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.719022][ T6784] Call trace: [ 219.719536][ T6784] dump_backtrace+0x0/0x43c [ 219.720194][ T6784] show_stack+0x2c/0x3c [ 219.720757][ T6784] __dump_stack+0x30/0x40 [ 219.721354][ T6784] dump_stack_lvl+0xf8/0x160 [ 219.721923][ T6784] dump_stack+0x1c/0x5c [ 219.722539][ T6784] sysfs_create_dir_ns+0x22c/0x24c [ 219.723308][ T6784] kobject_add_internal+0x590/0xc54 [ 219.724009][ T6784] kobject_init_and_add+0x118/0x17c [ 219.724752][ T6784] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.725423][ T6784] gfs2_fill_super+0xdac/0x19e0 [ 219.726120][ T6784] get_tree_bdev+0x358/0x544 [ 219.726850][ T6784] gfs2_get_tree+0x54/0x1b4 [ 219.727492][ T6784] vfs_get_tree+0x90/0x274 [ 219.728158][ T6784] do_new_mount+0x228/0x810 [ 219.728824][ T6784] path_mount+0x5b4/0x1000 [ 219.729444][ T6784] __arm64_sys_mount+0x514/0x5e4 [ 219.730126][ T6784] invoke_syscall+0x98/0x2b8 [ 219.730736][ T6784] el0_svc_common+0x138/0x258 [ 219.731419][ T6784] do_el0_svc+0x58/0x14c [ 219.732010][ T6784] el0_svc+0x78/0x1e0 [ 219.732575][ T6784] el0t_64_sync_handler+0xcc/0xe4 [ 219.733277][ T6784] el0t_64_sync+0x1a0/0x1a4 [ 219.734284][ T6784] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.736256][ T6784] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.923554][ T6787] loop1: detected capacity change from 0 to 32768 [ 219.985414][ T6787] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 219.986560][ T6787] CPU: 0 PID: 6787 Comm: syz.1.617 Not tainted syzkaller #0 [ 219.987674][ T6787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.989059][ T6787] Call trace: [ 219.989507][ T6787] dump_backtrace+0x0/0x43c [ 219.990087][ T6787] show_stack+0x2c/0x3c [ 219.990690][ T6787] __dump_stack+0x30/0x40 [ 219.991287][ T6787] dump_stack_lvl+0xf8/0x160 [ 219.991888][ T6787] dump_stack+0x1c/0x5c [ 219.992481][ T6787] sysfs_create_dir_ns+0x22c/0x24c [ 219.993302][ T6787] kobject_add_internal+0x590/0xc54 [ 219.994044][ T6787] kobject_init_and_add+0x118/0x17c [ 219.994819][ T6787] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.995495][ T6787] gfs2_fill_super+0xdac/0x19e0 [ 219.996174][ T6787] get_tree_bdev+0x358/0x544 [ 219.996831][ T6787] gfs2_get_tree+0x54/0x1b4 [ 219.997481][ T6787] vfs_get_tree+0x90/0x274 [ 219.998158][ T6787] do_new_mount+0x228/0x810 [ 219.998789][ T6787] path_mount+0x5b4/0x1000 [ 219.999428][ T6787] __arm64_sys_mount+0x514/0x5e4 [ 220.000111][ T6787] invoke_syscall+0x98/0x2b8 [ 220.000782][ T6787] el0_svc_common+0x138/0x258 [ 220.001440][ T6787] do_el0_svc+0x58/0x14c [ 220.002087][ T6787] el0_svc+0x78/0x1e0 [ 220.002660][ T6787] el0t_64_sync_handler+0xcc/0xe4 [ 220.003372][ T6787] el0t_64_sync+0x1a0/0x1a4 [ 220.005053][ T6787] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.006920][ T6787] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 220.082442][ T6790] chnl_net:caif_netlink_parms(): no params data found [ 220.101509][ T6790] bridge0: port 1(bridge_slave_0) entered blocking state [ 220.102668][ T6790] bridge0: port 1(bridge_slave_0) entered disabled state [ 220.104129][ T6790] device bridge_slave_0 entered promiscuous mode [ 220.106319][ T6790] bridge0: port 2(bridge_slave_1) entered blocking state [ 220.107541][ T6790] bridge0: port 2(bridge_slave_1) entered disabled state [ 220.108959][ T6790] device bridge_slave_1 entered promiscuous mode [ 220.116362][ T6790] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 220.118617][ T6790] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 220.126922][ T6790] team0: Port device team_slave_0 added [ 220.128714][ T6790] team0: Port device team_slave_1 added [ 220.135067][ T6790] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 220.136048][ T6790] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 220.139769][ T6790] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 220.155595][ T6790] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 220.156660][ T6790] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 220.160217][ T6790] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 220.205884][ T6790] device hsr_slave_0 entered promiscuous mode [ 220.255107][ T6790] device hsr_slave_1 entered promiscuous mode [ 220.294901][ T6790] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 220.296037][ T6790] Cannot create hsr debugfs directory [ 220.324555][ T6790] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 220.370904][ T6790] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 220.669232][ T6790] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 220.710873][ T6790] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 220.878240][ T6790] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 220.916255][ T6790] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 220.981769][ T6790] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 221.016227][ T6790] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 221.076039][ T6790] bridge0: port 2(bridge_slave_1) entered blocking state [ 221.077139][ T6790] bridge0: port 2(bridge_slave_1) entered forwarding state [ 221.078290][ T6790] bridge0: port 1(bridge_slave_0) entered blocking state [ 221.079321][ T6790] bridge0: port 1(bridge_slave_0) entered forwarding state [ 221.098913][ T6790] 8021q: adding VLAN 0 to HW filter on device bond0 [ 221.102568][ T539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 221.104201][ T539] bridge0: port 1(bridge_slave_0) entered disabled state [ 221.106032][ T539] bridge0: port 2(bridge_slave_1) entered disabled state [ 221.107984][ T539] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 221.112537][ T6790] 8021q: adding VLAN 0 to HW filter on device team0 [ 221.118664][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 221.120226][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 221.121684][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 221.122793][ T356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 221.126048][ T539] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 221.127612][ T539] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 221.129138][ T539] bridge0: port 2(bridge_slave_1) entered blocking state [ 221.130251][ T539] bridge0: port 2(bridge_slave_1) entered forwarding state [ 221.133144][ T539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 221.140948][ T6790] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 221.142484][ T6790] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 221.145564][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 221.149214][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 221.151080][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 221.152677][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 221.154209][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 221.156268][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 221.157737][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 221.159353][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 221.160802][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 221.162280][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 221.163642][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 221.210940][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 221.212192][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 221.216138][ T6790] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 221.221968][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 221.223588][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 221.233366][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 221.234887][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 221.236543][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 221.237975][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 221.240309][ T6790] device veth0_vlan entered promiscuous mode [ 221.243582][ T6790] device veth1_vlan entered promiscuous mode [ 221.250459][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 221.251955][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 221.253328][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 221.255103][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 221.257935][ T6790] device veth0_macvtap entered promiscuous mode [ 221.260197][ T6790] device veth1_macvtap entered promiscuous mode [ 221.264678][ T6790] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 221.266924][ T6790] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.268474][ T6790] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 221.269987][ T6790] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.272121][ T6790] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 221.276885][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 221.278514][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 221.279833][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 221.281295][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 221.283455][ T6790] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 221.284961][ T6790] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.286346][ T6790] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 221.287808][ T6790] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.289730][ T6790] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 221.291442][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 221.293015][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 221.296009][ T6790] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 221.297255][ T6790] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 221.298416][ T6790] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 221.299478][ T6790] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 221.326144][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 221.327344][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 221.329135][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 221.336249][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 221.337501][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 221.339160][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 221.481895][ T6808] loop1: detected capacity change from 0 to 32768 [ 221.549559][ T6808] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 221.550794][ T6808] CPU: 1 PID: 6808 Comm: syz.1.618 Not tainted syzkaller #0 [ 221.551817][ T6808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.553262][ T6808] Call trace: [ 221.553773][ T6808] dump_backtrace+0x0/0x43c [ 221.554461][ T6808] show_stack+0x2c/0x3c [ 221.555122][ T6808] __dump_stack+0x30/0x40 [ 221.555866][ T6808] dump_stack_lvl+0xf8/0x160 [ 221.556491][ T6808] dump_stack+0x1c/0x5c [ 221.557125][ T6808] sysfs_create_dir_ns+0x22c/0x24c [ 221.557916][ T6808] kobject_add_internal+0x590/0xc54 [ 221.558763][ T6808] kobject_init_and_add+0x118/0x17c [ 221.559565][ T6808] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.560286][ T6808] gfs2_fill_super+0xdac/0x19e0 [ 221.561046][ T6808] get_tree_bdev+0x358/0x544 [ 221.561720][ T6808] gfs2_get_tree+0x54/0x1b4 [ 221.562424][ T6808] vfs_get_tree+0x90/0x274 [ 221.563055][ T6808] do_new_mount+0x228/0x810 [ 221.563852][ T6808] path_mount+0x5b4/0x1000 [ 221.564602][ T6808] __arm64_sys_mount+0x514/0x5e4 [ 221.565422][ T6808] invoke_syscall+0x98/0x2b8 [ 221.566141][ T6808] el0_svc_common+0x138/0x258 [ 221.566886][ T6808] do_el0_svc+0x58/0x14c [ 221.567621][ T6808] el0_svc+0x78/0x1e0 [ 221.568214][ T6808] el0t_64_sync_handler+0xcc/0xe4 [ 221.568996][ T6808] el0t_64_sync+0x1a0/0x1a4 [ 221.572111][ T6808] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.573926][ T6808] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 221.713461][ T6811] loop1: detected capacity change from 0 to 32768 [ 221.752676][ T6811] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 221.753843][ T6811] CPU: 0 PID: 6811 Comm: syz.1.619 Not tainted syzkaller #0 [ 221.754976][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.756455][ T6811] Call trace: [ 221.756908][ T6811] dump_backtrace+0x0/0x43c [ 221.757616][ T6811] show_stack+0x2c/0x3c [ 221.758277][ T6811] __dump_stack+0x30/0x40 [ 221.758900][ T6811] dump_stack_lvl+0xf8/0x160 [ 221.759579][ T6811] dump_stack+0x1c/0x5c [ 221.760190][ T6811] sysfs_create_dir_ns+0x22c/0x24c [ 221.760863][ T6811] kobject_add_internal+0x590/0xc54 [ 221.761588][ T6811] kobject_init_and_add+0x118/0x17c [ 221.762390][ T6811] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.763048][ T6811] gfs2_fill_super+0xdac/0x19e0 [ 221.763730][ T6811] get_tree_bdev+0x358/0x544 [ 221.764383][ T6811] gfs2_get_tree+0x54/0x1b4 [ 221.765065][ T6811] vfs_get_tree+0x90/0x274 [ 221.765674][ T6811] do_new_mount+0x228/0x810 [ 221.766289][ T6811] path_mount+0x5b4/0x1000 [ 221.766877][ T6811] __arm64_sys_mount+0x514/0x5e4 [ 221.767623][ T6811] invoke_syscall+0x98/0x2b8 [ 221.768326][ T6811] el0_svc_common+0x138/0x258 [ 221.769039][ T6811] do_el0_svc+0x58/0x14c [ 221.769718][ T6811] el0_svc+0x78/0x1e0 [ 221.770280][ T6811] el0t_64_sync_handler+0xcc/0xe4 [ 221.771001][ T6811] el0t_64_sync+0x1a0/0x1a4 [ 221.774070][ T6811] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.777243][ T6811] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 221.911372][ T1850] device hsr_slave_0 left promiscuous mode [ 221.914010][ T6814] loop1: detected capacity change from 0 to 32768 [ 221.934934][ T1850] device hsr_slave_1 left promiscuous mode [ 222.005039][ T6814] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.006264][ T6814] CPU: 1 PID: 6814 Comm: syz.1.620 Not tainted syzkaller #0 [ 222.007320][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.008795][ T6814] Call trace: [ 222.009232][ T6814] dump_backtrace+0x0/0x43c [ 222.009910][ T6814] show_stack+0x2c/0x3c [ 222.010497][ T6814] __dump_stack+0x30/0x40 [ 222.011080][ T6814] dump_stack_lvl+0xf8/0x160 [ 222.011798][ T6814] dump_stack+0x1c/0x5c [ 222.012424][ T6814] sysfs_create_dir_ns+0x22c/0x24c [ 222.013158][ T6814] kobject_add_internal+0x590/0xc54 [ 222.013924][ T6814] kobject_init_and_add+0x118/0x17c [ 222.014658][ T6814] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.015349][ T6814] gfs2_fill_super+0xdac/0x19e0 [ 222.016030][ T6814] get_tree_bdev+0x358/0x544 [ 222.016725][ T6814] gfs2_get_tree+0x54/0x1b4 [ 222.017344][ T6814] vfs_get_tree+0x90/0x274 [ 222.017957][ T6814] do_new_mount+0x228/0x810 [ 222.018639][ T6814] path_mount+0x5b4/0x1000 [ 222.019278][ T6814] __arm64_sys_mount+0x514/0x5e4 [ 222.020052][ T6814] invoke_syscall+0x98/0x2b8 [ 222.020809][ T6814] el0_svc_common+0x138/0x258 [ 222.021512][ T6814] do_el0_svc+0x58/0x14c [ 222.022225][ T6814] el0_svc+0x78/0x1e0 [ 222.022800][ T6814] el0t_64_sync_handler+0xcc/0xe4 [ 222.023663][ T6814] el0t_64_sync+0x1a0/0x1a4 [ 222.024725][ T6814] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.026853][ T6814] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 222.044911][ T1850] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 222.046187][ T1850] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 222.047612][ T1850] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 222.048816][ T1850] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 222.050088][ T1850] device bridge_slave_1 left promiscuous mode [ 222.051030][ T1850] bridge0: port 2(bridge_slave_1) entered disabled state [ 222.065719][ T1850] device bridge_slave_0 left promiscuous mode [ 222.066794][ T1850] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.105015][ T13] Bluetooth: hci2: command 0x0409 tx timeout [ 222.176886][ T6817] loop1: detected capacity change from 0 to 32768 [ 222.204916][ T1850] device veth1_macvtap left promiscuous mode [ 222.205856][ T1850] device veth0_macvtap left promiscuous mode [ 222.206799][ T1850] device veth1_vlan left promiscuous mode [ 222.207655][ T1850] device veth0_vlan left promiscuous mode [ 222.245764][ T6817] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.247090][ T6817] CPU: 1 PID: 6817 Comm: syz.1.621 Not tainted syzkaller #0 [ 222.248160][ T6817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.249571][ T6817] Call trace: [ 222.250078][ T6817] dump_backtrace+0x0/0x43c [ 222.250789][ T6817] show_stack+0x2c/0x3c [ 222.251417][ T6817] __dump_stack+0x30/0x40 [ 222.252046][ T6817] dump_stack_lvl+0xf8/0x160 [ 222.252692][ T6817] dump_stack+0x1c/0x5c [ 222.253280][ T6817] sysfs_create_dir_ns+0x22c/0x24c [ 222.253985][ T6817] kobject_add_internal+0x590/0xc54 [ 222.254716][ T6817] kobject_init_and_add+0x118/0x17c [ 222.255504][ T6817] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.256181][ T6817] gfs2_fill_super+0xdac/0x19e0 [ 222.256910][ T6817] get_tree_bdev+0x358/0x544 [ 222.257582][ T6817] gfs2_get_tree+0x54/0x1b4 [ 222.258247][ T6817] vfs_get_tree+0x90/0x274 [ 222.258887][ T6817] do_new_mount+0x228/0x810 [ 222.259562][ T6817] path_mount+0x5b4/0x1000 [ 222.260251][ T6817] __arm64_sys_mount+0x514/0x5e4 [ 222.260914][ T6817] invoke_syscall+0x98/0x2b8 [ 222.261552][ T6817] el0_svc_common+0x138/0x258 [ 222.262216][ T6817] do_el0_svc+0x58/0x14c [ 222.262845][ T6817] el0_svc+0x78/0x1e0 [ 222.263375][ T6817] el0t_64_sync_handler+0xcc/0xe4 [ 222.264069][ T6817] el0t_64_sync+0x1a0/0x1a4 [ 222.266474][ T6817] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.268413][ T6817] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 222.342924][ T1850] team0 (unregistering): Port device team_slave_1 removed [ 222.360998][ T1850] team0 (unregistering): Port device team_slave_0 removed [ 222.374908][ T1850] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 222.407884][ T6820] loop1: detected capacity change from 0 to 32768 [ 222.409340][ T1850] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 222.477252][ T6820] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.478526][ T6820] CPU: 1 PID: 6820 Comm: syz.1.622 Not tainted syzkaller #0 [ 222.479738][ T6820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.481252][ T6820] Call trace: [ 222.481723][ T6820] dump_backtrace+0x0/0x43c [ 222.482397][ T6820] show_stack+0x2c/0x3c [ 222.482988][ T6820] __dump_stack+0x30/0x40 [ 222.483610][ T6820] dump_stack_lvl+0xf8/0x160 [ 222.484318][ T6820] dump_stack+0x1c/0x5c [ 222.484970][ T6820] sysfs_create_dir_ns+0x22c/0x24c [ 222.485760][ T6820] kobject_add_internal+0x590/0xc54 [ 222.486532][ T6820] kobject_init_and_add+0x118/0x17c [ 222.487320][ T6820] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.488044][ T6820] gfs2_fill_super+0xdac/0x19e0 [ 222.488826][ T6820] get_tree_bdev+0x358/0x544 [ 222.489563][ T6820] gfs2_get_tree+0x54/0x1b4 [ 222.490204][ T6820] vfs_get_tree+0x90/0x274 [ 222.490820][ T6820] do_new_mount+0x228/0x810 [ 222.491591][ T6820] path_mount+0x5b4/0x1000 [ 222.492277][ T6820] __arm64_sys_mount+0x514/0x5e4 [ 222.493002][ T6820] invoke_syscall+0x98/0x2b8 [ 222.493641][ T6820] el0_svc_common+0x138/0x258 [ 222.494332][ T6820] do_el0_svc+0x58/0x14c [ 222.494949][ T6820] el0_svc+0x78/0x1e0 [ 222.495538][ T6820] el0t_64_sync_handler+0xcc/0xe4 [ 222.496275][ T6820] el0t_64_sync+0x1a0/0x1a4 [ 222.498451][ T6820] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.500289][ T6820] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 222.538260][ T1850] bond0 (unregistering): Released all slaves [ 222.637944][ T6823] loop1: detected capacity change from 0 to 32768 [ 222.665375][ T6823] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.666563][ T6823] CPU: 0 PID: 6823 Comm: syz.1.623 Not tainted syzkaller #0 [ 222.667747][ T6823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.669336][ T6823] Call trace: [ 222.669826][ T6823] dump_backtrace+0x0/0x43c [ 222.670538][ T6823] show_stack+0x2c/0x3c [ 222.671128][ T6823] __dump_stack+0x30/0x40 [ 222.671727][ T6823] dump_stack_lvl+0xf8/0x160 [ 222.672388][ T6823] dump_stack+0x1c/0x5c [ 222.673005][ T6823] sysfs_create_dir_ns+0x22c/0x24c [ 222.673718][ T6823] kobject_add_internal+0x590/0xc54 [ 222.674488][ T6823] kobject_init_and_add+0x118/0x17c [ 222.675283][ T6823] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.675948][ T6823] gfs2_fill_super+0xdac/0x19e0 [ 222.676647][ T6823] get_tree_bdev+0x358/0x544 [ 222.677387][ T6823] gfs2_get_tree+0x54/0x1b4 [ 222.678157][ T6823] vfs_get_tree+0x90/0x274 [ 222.678874][ T6823] do_new_mount+0x228/0x810 [ 222.679594][ T6823] path_mount+0x5b4/0x1000 [ 222.680266][ T6823] __arm64_sys_mount+0x514/0x5e4 [ 222.681013][ T6823] invoke_syscall+0x98/0x2b8 [ 222.681699][ T6823] el0_svc_common+0x138/0x258 [ 222.682397][ T6823] do_el0_svc+0x58/0x14c [ 222.683065][ T6823] el0_svc+0x78/0x1e0 [ 222.683639][ T6823] el0t_64_sync_handler+0xcc/0xe4 [ 222.684354][ T6823] el0t_64_sync+0x1a0/0x1a4 [ 222.686082][ T6823] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.687866][ T6823] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 222.867466][ T6826] loop1: detected capacity change from 0 to 32768 [ 222.909683][ T6826] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.910884][ T6826] CPU: 0 PID: 6826 Comm: syz.1.624 Not tainted syzkaller #0 [ 222.911908][ T6826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.913455][ T6826] Call trace: [ 222.913899][ T6826] dump_backtrace+0x0/0x43c [ 222.914574][ T6826] show_stack+0x2c/0x3c [ 222.915201][ T6826] __dump_stack+0x30/0x40 [ 222.915884][ T6826] dump_stack_lvl+0xf8/0x160 [ 222.916612][ T6826] dump_stack+0x1c/0x5c [ 222.917227][ T6826] sysfs_create_dir_ns+0x22c/0x24c [ 222.917930][ T6826] kobject_add_internal+0x590/0xc54 [ 222.918767][ T6826] kobject_init_and_add+0x118/0x17c [ 222.919566][ T6826] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.920208][ T6826] gfs2_fill_super+0xdac/0x19e0 [ 222.920876][ T6826] get_tree_bdev+0x358/0x544 [ 222.921582][ T6826] gfs2_get_tree+0x54/0x1b4 [ 222.922247][ T6826] vfs_get_tree+0x90/0x274 [ 222.922829][ T6826] do_new_mount+0x228/0x810 [ 222.923471][ T6826] path_mount+0x5b4/0x1000 [ 222.924106][ T6826] __arm64_sys_mount+0x514/0x5e4 [ 222.924826][ T6826] invoke_syscall+0x98/0x2b8 [ 222.925445][ T6826] el0_svc_common+0x138/0x258 [ 222.926118][ T6826] do_el0_svc+0x58/0x14c [ 222.926723][ T6826] el0_svc+0x78/0x1e0 [ 222.927295][ T6826] el0t_64_sync_handler+0xcc/0xe4 [ 222.927980][ T6826] el0t_64_sync+0x1a0/0x1a4 [ 222.930325][ T6826] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.932191][ T6826] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.061691][ T6829] loop1: detected capacity change from 0 to 32768 [ 223.095523][ T6829] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.096829][ T6829] CPU: 1 PID: 6829 Comm: syz.1.625 Not tainted syzkaller #0 [ 223.097975][ T6829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.099609][ T6829] Call trace: [ 223.100106][ T6829] dump_backtrace+0x0/0x43c [ 223.100769][ T6829] show_stack+0x2c/0x3c [ 223.101394][ T6829] __dump_stack+0x30/0x40 [ 223.101993][ T6829] dump_stack_lvl+0xf8/0x160 [ 223.102653][ T6829] dump_stack+0x1c/0x5c [ 223.103249][ T6829] sysfs_create_dir_ns+0x22c/0x24c [ 223.104023][ T6829] kobject_add_internal+0x590/0xc54 [ 223.104757][ T6829] kobject_init_and_add+0x118/0x17c [ 223.105545][ T6829] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.106282][ T6829] gfs2_fill_super+0xdac/0x19e0 [ 223.107001][ T6829] get_tree_bdev+0x358/0x544 [ 223.107696][ T6829] gfs2_get_tree+0x54/0x1b4 [ 223.108320][ T6829] vfs_get_tree+0x90/0x274 [ 223.108933][ T6829] do_new_mount+0x228/0x810 [ 223.109597][ T6829] path_mount+0x5b4/0x1000 [ 223.110257][ T6829] __arm64_sys_mount+0x514/0x5e4 [ 223.110930][ T6829] invoke_syscall+0x98/0x2b8 [ 223.111587][ T6829] el0_svc_common+0x138/0x258 [ 223.112230][ T6829] do_el0_svc+0x58/0x14c [ 223.112836][ T6829] el0_svc+0x78/0x1e0 [ 223.113347][ T6829] el0t_64_sync_handler+0xcc/0xe4 [ 223.114097][ T6829] el0t_64_sync+0x1a0/0x1a4 [ 223.119745][ T6829] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.121573][ T6829] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.252024][ T6832] loop1: detected capacity change from 0 to 32768 [ 223.285525][ T6832] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.286861][ T6832] CPU: 0 PID: 6832 Comm: syz.1.626 Not tainted syzkaller #0 [ 223.287866][ T6832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.289225][ T6832] Call trace: [ 223.289703][ T6832] dump_backtrace+0x0/0x43c [ 223.290394][ T6832] show_stack+0x2c/0x3c [ 223.291023][ T6832] __dump_stack+0x30/0x40 [ 223.291706][ T6832] dump_stack_lvl+0xf8/0x160 [ 223.292371][ T6832] dump_stack+0x1c/0x5c [ 223.293003][ T6832] sysfs_create_dir_ns+0x22c/0x24c [ 223.293722][ T6832] kobject_add_internal+0x590/0xc54 [ 223.294416][ T6832] kobject_init_and_add+0x118/0x17c [ 223.295140][ T6832] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.295811][ T6832] gfs2_fill_super+0xdac/0x19e0 [ 223.296487][ T6832] get_tree_bdev+0x358/0x544 [ 223.297121][ T6832] gfs2_get_tree+0x54/0x1b4 [ 223.297765][ T6832] vfs_get_tree+0x90/0x274 [ 223.298377][ T6832] do_new_mount+0x228/0x810 [ 223.299011][ T6832] path_mount+0x5b4/0x1000 [ 223.299653][ T6832] __arm64_sys_mount+0x514/0x5e4 [ 223.300342][ T6832] invoke_syscall+0x98/0x2b8 [ 223.300970][ T6832] el0_svc_common+0x138/0x258 [ 223.301700][ T6832] do_el0_svc+0x58/0x14c [ 223.302284][ T6832] el0_svc+0x78/0x1e0 [ 223.302804][ T6832] el0t_64_sync_handler+0xcc/0xe4 [ 223.303444][ T6832] el0t_64_sync+0x1a0/0x1a4 [ 223.306312][ T6832] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.308196][ T6832] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.444704][ T6835] loop1: detected capacity change from 0 to 32768 [ 223.542164][ T6835] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.543550][ T6835] CPU: 0 PID: 6835 Comm: syz.1.627 Not tainted syzkaller #0 [ 223.544534][ T6835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.546027][ T6835] Call trace: [ 223.546508][ T6835] dump_backtrace+0x0/0x43c [ 223.547121][ T6835] show_stack+0x2c/0x3c [ 223.547747][ T6835] __dump_stack+0x30/0x40 [ 223.548337][ T6835] dump_stack_lvl+0xf8/0x160 [ 223.549044][ T6835] dump_stack+0x1c/0x5c [ 223.549639][ T6835] sysfs_create_dir_ns+0x22c/0x24c [ 223.550405][ T6835] kobject_add_internal+0x590/0xc54 [ 223.551192][ T6835] kobject_init_and_add+0x118/0x17c [ 223.551943][ T6835] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.552640][ T6835] gfs2_fill_super+0xdac/0x19e0 [ 223.553341][ T6835] get_tree_bdev+0x358/0x544 [ 223.554003][ T6835] gfs2_get_tree+0x54/0x1b4 [ 223.554732][ T6835] vfs_get_tree+0x90/0x274 [ 223.555474][ T6835] do_new_mount+0x228/0x810 [ 223.556093][ T6835] path_mount+0x5b4/0x1000 [ 223.556745][ T6835] __arm64_sys_mount+0x514/0x5e4 [ 223.557520][ T6835] invoke_syscall+0x98/0x2b8 [ 223.558195][ T6835] el0_svc_common+0x138/0x258 [ 223.558839][ T6835] do_el0_svc+0x58/0x14c [ 223.559444][ T6835] el0_svc+0x78/0x1e0 [ 223.560111][ T6835] el0t_64_sync_handler+0xcc/0xe4 [ 223.560825][ T6835] el0t_64_sync+0x1a0/0x1a4 [ 223.562741][ T6835] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.564920][ T6835] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:43 executed programs: 614 [ 223.727085][ T6838] loop1: detected capacity change from 0 to 32768 [ 223.732124][ T6838] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.733339][ T6838] CPU: 1 PID: 6838 Comm: syz.1.628 Not tainted syzkaller #0 [ 223.734479][ T6838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.736094][ T6838] Call trace: [ 223.736583][ T6838] dump_backtrace+0x0/0x43c [ 223.737262][ T6838] show_stack+0x2c/0x3c [ 223.737917][ T6838] __dump_stack+0x30/0x40 [ 223.738600][ T6838] dump_stack_lvl+0xf8/0x160 [ 223.739329][ T6838] dump_stack+0x1c/0x5c [ 223.740032][ T6838] sysfs_create_dir_ns+0x22c/0x24c [ 223.740824][ T6838] kobject_add_internal+0x590/0xc54 [ 223.741624][ T6838] kobject_init_and_add+0x118/0x17c [ 223.742386][ T6838] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.743043][ T6838] gfs2_fill_super+0xdac/0x19e0 [ 223.743755][ T6838] get_tree_bdev+0x358/0x544 [ 223.744457][ T6838] gfs2_get_tree+0x54/0x1b4 [ 223.745100][ T6838] vfs_get_tree+0x90/0x274 [ 223.745779][ T6838] do_new_mount+0x228/0x810 [ 223.746463][ T6838] path_mount+0x5b4/0x1000 [ 223.747076][ T6838] __arm64_sys_mount+0x514/0x5e4 [ 223.747930][ T6838] invoke_syscall+0x98/0x2b8 [ 223.748712][ T6838] el0_svc_common+0x138/0x258 [ 223.749469][ T6838] do_el0_svc+0x58/0x14c [ 223.750135][ T6838] el0_svc+0x78/0x1e0 [ 223.750800][ T6838] el0t_64_sync_handler+0xcc/0xe4 [ 223.751517][ T6838] el0t_64_sync+0x1a0/0x1a4 [ 223.753101][ T6838] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.755234][ T6838] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.899683][ T6841] loop1: detected capacity change from 0 to 32768 [ 223.978492][ T6841] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.979669][ T6841] CPU: 1 PID: 6841 Comm: syz.1.629 Not tainted syzkaller #0 [ 223.980641][ T6841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.982084][ T6841] Call trace: [ 223.982507][ T6841] dump_backtrace+0x0/0x43c [ 223.983154][ T6841] show_stack+0x2c/0x3c [ 223.983734][ T6841] __dump_stack+0x30/0x40 [ 223.984364][ T6841] dump_stack_lvl+0xf8/0x160 [ 223.985045][ T6841] dump_stack+0x1c/0x5c [ 223.985663][ T6841] sysfs_create_dir_ns+0x22c/0x24c [ 223.986422][ T6841] kobject_add_internal+0x590/0xc54 [ 223.987252][ T6841] kobject_init_and_add+0x118/0x17c [ 223.988004][ T6841] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.988707][ T6841] gfs2_fill_super+0xdac/0x19e0 [ 223.989477][ T6841] get_tree_bdev+0x358/0x544 [ 223.990196][ T6841] gfs2_get_tree+0x54/0x1b4 [ 223.990865][ T6841] vfs_get_tree+0x90/0x274 [ 223.991494][ T6841] do_new_mount+0x228/0x810 [ 223.992157][ T6841] path_mount+0x5b4/0x1000 [ 223.992816][ T6841] __arm64_sys_mount+0x514/0x5e4 [ 223.993515][ T6841] invoke_syscall+0x98/0x2b8 [ 223.994203][ T6841] el0_svc_common+0x138/0x258 [ 223.994846][ T6841] do_el0_svc+0x58/0x14c [ 223.995437][ T6841] el0_svc+0x78/0x1e0 [ 223.995992][ T6841] el0t_64_sync_handler+0xcc/0xe4 [ 223.996695][ T6841] el0t_64_sync+0x1a0/0x1a4 [ 223.998950][ T6841] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.000832][ T6841] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.136884][ T6844] loop1: detected capacity change from 0 to 32768 [ 224.148170][ T6844] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.149390][ T6844] CPU: 0 PID: 6844 Comm: syz.1.630 Not tainted syzkaller #0 [ 224.150596][ T6844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.152088][ T6844] Call trace: [ 224.152561][ T6844] dump_backtrace+0x0/0x43c [ 224.153223][ T6844] show_stack+0x2c/0x3c [ 224.153876][ T6844] __dump_stack+0x30/0x40 [ 224.154452][ T6844] dump_stack_lvl+0xf8/0x160 [ 224.155129][ T6844] dump_stack+0x1c/0x5c [ 224.155722][ T6844] sysfs_create_dir_ns+0x22c/0x24c [ 224.156487][ T6844] kobject_add_internal+0x590/0xc54 [ 224.157213][ T6844] kobject_init_and_add+0x118/0x17c [ 224.157935][ T6844] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.158676][ T6844] gfs2_fill_super+0xdac/0x19e0 [ 224.159381][ T6844] get_tree_bdev+0x358/0x544 [ 224.160044][ T6844] gfs2_get_tree+0x54/0x1b4 [ 224.160732][ T6844] vfs_get_tree+0x90/0x274 [ 224.161414][ T6844] do_new_mount+0x228/0x810 [ 224.162074][ T6844] path_mount+0x5b4/0x1000 [ 224.162750][ T6844] __arm64_sys_mount+0x514/0x5e4 [ 224.163434][ T6844] invoke_syscall+0x98/0x2b8 [ 224.164114][ T6844] el0_svc_common+0x138/0x258 [ 224.164794][ T6844] do_el0_svc+0x58/0x14c [ 224.165405][ T6844] el0_svc+0x78/0x1e0 [ 224.165964][ T6844] el0t_64_sync_handler+0xcc/0xe4 [ 224.166687][ T6844] el0t_64_sync+0x1a0/0x1a4 [ 224.169200][ T6844] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.171547][ T6844] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.174893][ T13] Bluetooth: hci2: command 0x041b tx timeout [ 224.316072][ T6847] loop1: detected capacity change from 0 to 32768 [ 224.399220][ T6847] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.400636][ T6847] CPU: 0 PID: 6847 Comm: syz.1.631 Not tainted syzkaller #0 [ 224.401749][ T6847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.403298][ T6847] Call trace: [ 224.403837][ T6847] dump_backtrace+0x0/0x43c [ 224.404601][ T6847] show_stack+0x2c/0x3c [ 224.405301][ T6847] __dump_stack+0x30/0x40 [ 224.405958][ T6847] dump_stack_lvl+0xf8/0x160 [ 224.406608][ T6847] dump_stack+0x1c/0x5c [ 224.407223][ T6847] sysfs_create_dir_ns+0x22c/0x24c [ 224.407913][ T6847] kobject_add_internal+0x590/0xc54 [ 224.408674][ T6847] kobject_init_and_add+0x118/0x17c [ 224.409413][ T6847] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.410128][ T6847] gfs2_fill_super+0xdac/0x19e0 [ 224.410813][ T6847] get_tree_bdev+0x358/0x544 [ 224.411497][ T6847] gfs2_get_tree+0x54/0x1b4 [ 224.412114][ T6847] vfs_get_tree+0x90/0x274 [ 224.412678][ T6847] do_new_mount+0x228/0x810 [ 224.413327][ T6847] path_mount+0x5b4/0x1000 [ 224.413916][ T6847] __arm64_sys_mount+0x514/0x5e4 [ 224.414624][ T6847] invoke_syscall+0x98/0x2b8 [ 224.415240][ T6847] el0_svc_common+0x138/0x258 [ 224.415879][ T6847] do_el0_svc+0x58/0x14c [ 224.416447][ T6847] el0_svc+0x78/0x1e0 [ 224.416999][ T6847] el0t_64_sync_handler+0xcc/0xe4 [ 224.417657][ T6847] el0t_64_sync+0x1a0/0x1a4 [ 224.419436][ T6847] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.421250][ T6847] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.608631][ T6850] loop1: detected capacity change from 0 to 32768 [ 224.649014][ T6850] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.650212][ T6850] CPU: 0 PID: 6850 Comm: syz.1.632 Not tainted syzkaller #0 [ 224.651346][ T6850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.652847][ T6850] Call trace: [ 224.653361][ T6850] dump_backtrace+0x0/0x43c [ 224.654051][ T6850] show_stack+0x2c/0x3c [ 224.654634][ T6850] __dump_stack+0x30/0x40 [ 224.655242][ T6850] dump_stack_lvl+0xf8/0x160 [ 224.655945][ T6850] dump_stack+0x1c/0x5c [ 224.656480][ T6850] sysfs_create_dir_ns+0x22c/0x24c [ 224.657227][ T6850] kobject_add_internal+0x590/0xc54 [ 224.657963][ T6850] kobject_init_and_add+0x118/0x17c [ 224.658650][ T6850] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.659386][ T6850] gfs2_fill_super+0xdac/0x19e0 [ 224.660108][ T6850] get_tree_bdev+0x358/0x544 [ 224.660757][ T6850] gfs2_get_tree+0x54/0x1b4 [ 224.661422][ T6850] vfs_get_tree+0x90/0x274 [ 224.662056][ T6850] do_new_mount+0x228/0x810 [ 224.662783][ T6850] path_mount+0x5b4/0x1000 [ 224.663433][ T6850] __arm64_sys_mount+0x514/0x5e4 [ 224.664149][ T6850] invoke_syscall+0x98/0x2b8 [ 224.664788][ T6850] el0_svc_common+0x138/0x258 [ 224.665461][ T6850] do_el0_svc+0x58/0x14c [ 224.666040][ T6850] el0_svc+0x78/0x1e0 [ 224.666605][ T6850] el0t_64_sync_handler+0xcc/0xe4 [ 224.667286][ T6850] el0t_64_sync+0x1a0/0x1a4 [ 224.669674][ T6850] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.671589][ T6850] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.805141][ T6853] loop1: detected capacity change from 0 to 32768 [ 224.811753][ T6853] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.813124][ T6853] CPU: 1 PID: 6853 Comm: syz.1.633 Not tainted syzkaller #0 [ 224.814231][ T6853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.815718][ T6853] Call trace: [ 224.816165][ T6853] dump_backtrace+0x0/0x43c [ 224.816808][ T6853] show_stack+0x2c/0x3c [ 224.817448][ T6853] __dump_stack+0x30/0x40 [ 224.818053][ T6853] dump_stack_lvl+0xf8/0x160 [ 224.818741][ T6853] dump_stack+0x1c/0x5c [ 224.819323][ T6853] sysfs_create_dir_ns+0x22c/0x24c [ 224.820091][ T6853] kobject_add_internal+0x590/0xc54 [ 224.820848][ T6853] kobject_init_and_add+0x118/0x17c [ 224.821604][ T6853] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.822308][ T6853] gfs2_fill_super+0xdac/0x19e0 [ 224.823016][ T6853] get_tree_bdev+0x358/0x544 [ 224.823635][ T6853] gfs2_get_tree+0x54/0x1b4 [ 224.824291][ T6853] vfs_get_tree+0x90/0x274 [ 224.824921][ T6853] do_new_mount+0x228/0x810 [ 224.825587][ T6853] path_mount+0x5b4/0x1000 [ 224.826214][ T6853] __arm64_sys_mount+0x514/0x5e4 [ 224.826926][ T6853] invoke_syscall+0x98/0x2b8 [ 224.827640][ T6853] el0_svc_common+0x138/0x258 [ 224.828331][ T6853] do_el0_svc+0x58/0x14c [ 224.829119][ T6853] el0_svc+0x78/0x1e0 [ 224.829737][ T6853] el0t_64_sync_handler+0xcc/0xe4 [ 224.830467][ T6853] el0t_64_sync+0x1a0/0x1a4 [ 224.831400][ T6853] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.833163][ T6853] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.963894][ T6856] loop1: detected capacity change from 0 to 32768 [ 225.015295][ T6856] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.016440][ T6856] CPU: 0 PID: 6856 Comm: syz.1.634 Not tainted syzkaller #0 [ 225.017433][ T6856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.018824][ T6856] Call trace: [ 225.019296][ T6856] dump_backtrace+0x0/0x43c [ 225.019938][ T6856] show_stack+0x2c/0x3c [ 225.020606][ T6856] __dump_stack+0x30/0x40 [ 225.021252][ T6856] dump_stack_lvl+0xf8/0x160 [ 225.021907][ T6856] dump_stack+0x1c/0x5c [ 225.022456][ T6856] sysfs_create_dir_ns+0x22c/0x24c [ 225.023150][ T6856] kobject_add_internal+0x590/0xc54 [ 225.023838][ T6856] kobject_init_and_add+0x118/0x17c [ 225.024521][ T6856] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.025163][ T6856] gfs2_fill_super+0xdac/0x19e0 [ 225.025900][ T6856] get_tree_bdev+0x358/0x544 [ 225.026585][ T6856] gfs2_get_tree+0x54/0x1b4 [ 225.027293][ T6856] vfs_get_tree+0x90/0x274 [ 225.027896][ T6856] do_new_mount+0x228/0x810 [ 225.028552][ T6856] path_mount+0x5b4/0x1000 [ 225.029215][ T6856] __arm64_sys_mount+0x514/0x5e4 [ 225.029975][ T6856] invoke_syscall+0x98/0x2b8 [ 225.030638][ T6856] el0_svc_common+0x138/0x258 [ 225.031251][ T6856] do_el0_svc+0x58/0x14c [ 225.031946][ T6856] el0_svc+0x78/0x1e0 [ 225.032635][ T6856] el0t_64_sync_handler+0xcc/0xe4 [ 225.033471][ T6856] el0t_64_sync+0x1a0/0x1a4 [ 225.037133][ T6856] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.038929][ T6856] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.169905][ T6859] loop1: detected capacity change from 0 to 32768 [ 225.173343][ T6859] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.174569][ T6859] CPU: 0 PID: 6859 Comm: syz.1.635 Not tainted syzkaller #0 [ 225.175668][ T6859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.177130][ T6859] Call trace: [ 225.177628][ T6859] dump_backtrace+0x0/0x43c [ 225.178245][ T6859] show_stack+0x2c/0x3c [ 225.178829][ T6859] __dump_stack+0x30/0x40 [ 225.179462][ T6859] dump_stack_lvl+0xf8/0x160 [ 225.180117][ T6859] dump_stack+0x1c/0x5c [ 225.180756][ T6859] sysfs_create_dir_ns+0x22c/0x24c [ 225.181472][ T6859] kobject_add_internal+0x590/0xc54 [ 225.182192][ T6859] kobject_init_and_add+0x118/0x17c [ 225.182928][ T6859] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.183587][ T6859] gfs2_fill_super+0xdac/0x19e0 [ 225.184277][ T6859] get_tree_bdev+0x358/0x544 [ 225.184971][ T6859] gfs2_get_tree+0x54/0x1b4 [ 225.185583][ T6859] vfs_get_tree+0x90/0x274 [ 225.186191][ T6859] do_new_mount+0x228/0x810 [ 225.186822][ T6859] path_mount+0x5b4/0x1000 [ 225.187432][ T6859] __arm64_sys_mount+0x514/0x5e4 [ 225.188107][ T6859] invoke_syscall+0x98/0x2b8 [ 225.188758][ T6859] el0_svc_common+0x138/0x258 [ 225.189474][ T6859] do_el0_svc+0x58/0x14c [ 225.190049][ T6859] el0_svc+0x78/0x1e0 [ 225.190658][ T6859] el0t_64_sync_handler+0xcc/0xe4 [ 225.191346][ T6859] el0t_64_sync+0x1a0/0x1a4 [ 225.193882][ T6859] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.195982][ T6859] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.423606][ T6862] loop1: detected capacity change from 0 to 32768 [ 225.475246][ T6862] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.476398][ T6862] CPU: 0 PID: 6862 Comm: syz.1.636 Not tainted syzkaller #0 [ 225.477510][ T6862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.479032][ T6862] Call trace: [ 225.479564][ T6862] dump_backtrace+0x0/0x43c [ 225.480222][ T6862] show_stack+0x2c/0x3c [ 225.480898][ T6862] __dump_stack+0x30/0x40 [ 225.481498][ T6862] dump_stack_lvl+0xf8/0x160 [ 225.482180][ T6862] dump_stack+0x1c/0x5c [ 225.482768][ T6862] sysfs_create_dir_ns+0x22c/0x24c [ 225.483467][ T6862] kobject_add_internal+0x590/0xc54 [ 225.484156][ T6862] kobject_init_and_add+0x118/0x17c [ 225.484853][ T6862] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.485503][ T6862] gfs2_fill_super+0xdac/0x19e0 [ 225.486196][ T6862] get_tree_bdev+0x358/0x544 [ 225.486887][ T6862] gfs2_get_tree+0x54/0x1b4 [ 225.487536][ T6862] vfs_get_tree+0x90/0x274 [ 225.488167][ T6862] do_new_mount+0x228/0x810 [ 225.488801][ T6862] path_mount+0x5b4/0x1000 [ 225.489447][ T6862] __arm64_sys_mount+0x514/0x5e4 [ 225.490123][ T6862] invoke_syscall+0x98/0x2b8 [ 225.490788][ T6862] el0_svc_common+0x138/0x258 [ 225.491442][ T6862] do_el0_svc+0x58/0x14c [ 225.492028][ T6862] el0_svc+0x78/0x1e0 [ 225.492580][ T6862] el0t_64_sync_handler+0xcc/0xe4 [ 225.493235][ T6862] el0t_64_sync+0x1a0/0x1a4 [ 225.495448][ T6862] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.497211][ T6862] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.750610][ T6865] loop1: detected capacity change from 0 to 32768 [ 225.785530][ T6865] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.789108][ T6865] CPU: 1 PID: 6865 Comm: syz.1.637 Not tainted syzkaller #0 [ 225.790251][ T6865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.791770][ T6865] Call trace: [ 225.792248][ T6865] dump_backtrace+0x0/0x43c [ 225.792973][ T6865] show_stack+0x2c/0x3c [ 225.793602][ T6865] __dump_stack+0x30/0x40 [ 225.794264][ T6865] dump_stack_lvl+0xf8/0x160 [ 225.794966][ T6865] dump_stack+0x1c/0x5c [ 225.795609][ T6865] sysfs_create_dir_ns+0x22c/0x24c [ 225.796407][ T6865] kobject_add_internal+0x590/0xc54 [ 225.797239][ T6865] kobject_init_and_add+0x118/0x17c [ 225.797948][ T6865] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.798632][ T6865] gfs2_fill_super+0xdac/0x19e0 [ 225.799305][ T6865] get_tree_bdev+0x358/0x544 [ 225.799953][ T6865] gfs2_get_tree+0x54/0x1b4 [ 225.800566][ T6865] vfs_get_tree+0x90/0x274 [ 225.801226][ T6865] do_new_mount+0x228/0x810 [ 225.801897][ T6865] path_mount+0x5b4/0x1000 [ 225.802639][ T6865] __arm64_sys_mount+0x514/0x5e4 [ 225.803393][ T6865] invoke_syscall+0x98/0x2b8 [ 225.804096][ T6865] el0_svc_common+0x138/0x258 [ 225.804879][ T6865] do_el0_svc+0x58/0x14c [ 225.805612][ T6865] el0_svc+0x78/0x1e0 [ 225.806250][ T6865] el0t_64_sync_handler+0xcc/0xe4 [ 225.806953][ T6865] el0t_64_sync+0x1a0/0x1a4 [ 225.809128][ T6865] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.810901][ T6865] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.946853][ T6868] loop1: detected capacity change from 0 to 32768 [ 225.995393][ T6868] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.996432][ T6868] CPU: 1 PID: 6868 Comm: syz.1.638 Not tainted syzkaller #0 [ 225.997458][ T6868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.998892][ T6868] Call trace: [ 225.999351][ T6868] dump_backtrace+0x0/0x43c [ 226.000040][ T6868] show_stack+0x2c/0x3c [ 226.000668][ T6868] __dump_stack+0x30/0x40 [ 226.001305][ T6868] dump_stack_lvl+0xf8/0x160 [ 226.001971][ T6868] dump_stack+0x1c/0x5c [ 226.002590][ T6868] sysfs_create_dir_ns+0x22c/0x24c [ 226.003380][ T6868] kobject_add_internal+0x590/0xc54 [ 226.004153][ T6868] kobject_init_and_add+0x118/0x17c [ 226.004892][ T6868] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.005654][ T6868] gfs2_fill_super+0xdac/0x19e0 [ 226.006413][ T6868] get_tree_bdev+0x358/0x544 [ 226.007081][ T6868] gfs2_get_tree+0x54/0x1b4 [ 226.007744][ T6868] vfs_get_tree+0x90/0x274 [ 226.008419][ T6868] do_new_mount+0x228/0x810 [ 226.009044][ T6868] path_mount+0x5b4/0x1000 [ 226.009670][ T6868] __arm64_sys_mount+0x514/0x5e4 [ 226.010380][ T6868] invoke_syscall+0x98/0x2b8 [ 226.011061][ T6868] el0_svc_common+0x138/0x258 [ 226.011780][ T6868] do_el0_svc+0x58/0x14c [ 226.012421][ T6868] el0_svc+0x78/0x1e0 [ 226.012966][ T6868] el0t_64_sync_handler+0xcc/0xe4 [ 226.013591][ T6868] el0t_64_sync+0x1a0/0x1a4 [ 226.014829][ T6868] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.016626][ T6868] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.215910][ T6871] loop1: detected capacity change from 0 to 32768 [ 226.255187][ T4208] Bluetooth: hci2: command 0x040f tx timeout [ 226.280184][ T6871] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.281424][ T6871] CPU: 0 PID: 6871 Comm: syz.1.639 Not tainted syzkaller #0 [ 226.282459][ T6871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.283830][ T6871] Call trace: [ 226.284294][ T6871] dump_backtrace+0x0/0x43c [ 226.284952][ T6871] show_stack+0x2c/0x3c [ 226.285549][ T6871] __dump_stack+0x30/0x40 [ 226.286151][ T6871] dump_stack_lvl+0xf8/0x160 [ 226.286803][ T6871] dump_stack+0x1c/0x5c [ 226.287429][ T6871] sysfs_create_dir_ns+0x22c/0x24c [ 226.288157][ T6871] kobject_add_internal+0x590/0xc54 [ 226.288892][ T6871] kobject_init_and_add+0x118/0x17c [ 226.289623][ T6871] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.290353][ T6871] gfs2_fill_super+0xdac/0x19e0 [ 226.291042][ T6871] get_tree_bdev+0x358/0x544 [ 226.291634][ T6871] gfs2_get_tree+0x54/0x1b4 [ 226.292280][ T6871] vfs_get_tree+0x90/0x274 [ 226.292897][ T6871] do_new_mount+0x228/0x810 [ 226.293492][ T6871] path_mount+0x5b4/0x1000 [ 226.294097][ T6871] __arm64_sys_mount+0x514/0x5e4 [ 226.294763][ T6871] invoke_syscall+0x98/0x2b8 [ 226.295417][ T6871] el0_svc_common+0x138/0x258 [ 226.296049][ T6871] do_el0_svc+0x58/0x14c [ 226.296623][ T6871] el0_svc+0x78/0x1e0 [ 226.297161][ T6871] el0t_64_sync_handler+0xcc/0xe4 [ 226.297838][ T6871] el0t_64_sync+0x1a0/0x1a4 [ 226.299007][ T6871] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.300873][ T6871] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.472462][ T6874] loop1: detected capacity change from 0 to 32768 [ 226.478719][ T6874] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.479892][ T6874] CPU: 1 PID: 6874 Comm: syz.1.640 Not tainted syzkaller #0 [ 226.481044][ T6874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.482473][ T6874] Call trace: [ 226.482983][ T6874] dump_backtrace+0x0/0x43c [ 226.483655][ T6874] show_stack+0x2c/0x3c [ 226.484211][ T6874] __dump_stack+0x30/0x40 [ 226.484854][ T6874] dump_stack_lvl+0xf8/0x160 [ 226.485522][ T6874] dump_stack+0x1c/0x5c [ 226.486131][ T6874] sysfs_create_dir_ns+0x22c/0x24c [ 226.486922][ T6874] kobject_add_internal+0x590/0xc54 [ 226.487707][ T6874] kobject_init_and_add+0x118/0x17c [ 226.488488][ T6874] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.489167][ T6874] gfs2_fill_super+0xdac/0x19e0 [ 226.489886][ T6874] get_tree_bdev+0x358/0x544 [ 226.490550][ T6874] gfs2_get_tree+0x54/0x1b4 [ 226.491251][ T6874] vfs_get_tree+0x90/0x274 [ 226.491874][ T6874] do_new_mount+0x228/0x810 [ 226.492574][ T6874] path_mount+0x5b4/0x1000 [ 226.493258][ T6874] __arm64_sys_mount+0x514/0x5e4 [ 226.493938][ T6874] invoke_syscall+0x98/0x2b8 [ 226.494573][ T6874] el0_svc_common+0x138/0x258 [ 226.495276][ T6874] do_el0_svc+0x58/0x14c [ 226.495893][ T6874] el0_svc+0x78/0x1e0 [ 226.496522][ T6874] el0t_64_sync_handler+0xcc/0xe4 [ 226.497228][ T6874] el0t_64_sync+0x1a0/0x1a4 [ 226.498651][ T6874] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.500707][ T6874] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.638208][ T6877] loop1: detected capacity change from 0 to 32768 [ 226.644742][ T6877] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.645978][ T6877] CPU: 0 PID: 6877 Comm: syz.1.641 Not tainted syzkaller #0 [ 226.647063][ T6877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.648572][ T6877] Call trace: [ 226.649055][ T6877] dump_backtrace+0x0/0x43c [ 226.649662][ T6877] show_stack+0x2c/0x3c [ 226.650191][ T6877] __dump_stack+0x30/0x40 [ 226.650768][ T6877] dump_stack_lvl+0xf8/0x160 [ 226.651406][ T6877] dump_stack+0x1c/0x5c [ 226.651976][ T6877] sysfs_create_dir_ns+0x22c/0x24c [ 226.652704][ T6877] kobject_add_internal+0x590/0xc54 [ 226.653496][ T6877] kobject_init_and_add+0x118/0x17c [ 226.654237][ T6877] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.654941][ T6877] gfs2_fill_super+0xdac/0x19e0 [ 226.655657][ T6877] get_tree_bdev+0x358/0x544 [ 226.656322][ T6877] gfs2_get_tree+0x54/0x1b4 [ 226.657003][ T6877] vfs_get_tree+0x90/0x274 [ 226.657606][ T6877] do_new_mount+0x228/0x810 [ 226.658259][ T6877] path_mount+0x5b4/0x1000 [ 226.658846][ T6877] __arm64_sys_mount+0x514/0x5e4 [ 226.659520][ T6877] invoke_syscall+0x98/0x2b8 [ 226.660208][ T6877] el0_svc_common+0x138/0x258 [ 226.660816][ T6877] do_el0_svc+0x58/0x14c [ 226.661410][ T6877] el0_svc+0x78/0x1e0 [ 226.661921][ T6877] el0t_64_sync_handler+0xcc/0xe4 [ 226.662612][ T6877] el0t_64_sync+0x1a0/0x1a4 [ 226.665513][ T6877] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.667413][ T6877] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.797668][ T6880] loop1: detected capacity change from 0 to 32768 [ 226.804360][ T6880] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.805692][ T6880] CPU: 1 PID: 6880 Comm: syz.1.642 Not tainted syzkaller #0 [ 226.806734][ T6880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.808384][ T6880] Call trace: [ 226.808923][ T6880] dump_backtrace+0x0/0x43c [ 226.809609][ T6880] show_stack+0x2c/0x3c [ 226.810194][ T6880] __dump_stack+0x30/0x40 [ 226.810822][ T6880] dump_stack_lvl+0xf8/0x160 [ 226.811521][ T6880] dump_stack+0x1c/0x5c [ 226.812076][ T6880] sysfs_create_dir_ns+0x22c/0x24c [ 226.812822][ T6880] kobject_add_internal+0x590/0xc54 [ 226.813556][ T6880] kobject_init_and_add+0x118/0x17c [ 226.814304][ T6880] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.815005][ T6880] gfs2_fill_super+0xdac/0x19e0 [ 226.815723][ T6880] get_tree_bdev+0x358/0x544 [ 226.816398][ T6880] gfs2_get_tree+0x54/0x1b4 [ 226.817138][ T6880] vfs_get_tree+0x90/0x274 [ 226.817792][ T6880] do_new_mount+0x228/0x810 [ 226.818425][ T6880] path_mount+0x5b4/0x1000 [ 226.819040][ T6880] __arm64_sys_mount+0x514/0x5e4 [ 226.819784][ T6880] invoke_syscall+0x98/0x2b8 [ 226.820438][ T6880] el0_svc_common+0x138/0x258 [ 226.821125][ T6880] do_el0_svc+0x58/0x14c [ 226.821732][ T6880] el0_svc+0x78/0x1e0 [ 226.822274][ T6880] el0t_64_sync_handler+0xcc/0xe4 [ 226.822997][ T6880] el0t_64_sync+0x1a0/0x1a4 [ 226.825330][ T6880] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.827392][ T6880] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.960021][ T6883] loop1: detected capacity change from 0 to 32768 [ 226.966756][ T6883] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.967869][ T6883] CPU: 0 PID: 6883 Comm: syz.1.643 Not tainted syzkaller #0 [ 226.968990][ T6883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.970425][ T6883] Call trace: [ 226.970870][ T6883] dump_backtrace+0x0/0x43c [ 226.971515][ T6883] show_stack+0x2c/0x3c [ 226.972116][ T6883] __dump_stack+0x30/0x40 [ 226.972718][ T6883] dump_stack_lvl+0xf8/0x160 [ 226.973399][ T6883] dump_stack+0x1c/0x5c [ 226.973996][ T6883] sysfs_create_dir_ns+0x22c/0x24c [ 226.974762][ T6883] kobject_add_internal+0x590/0xc54 [ 226.975475][ T6883] kobject_init_and_add+0x118/0x17c [ 226.976230][ T6883] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.976938][ T6883] gfs2_fill_super+0xdac/0x19e0 [ 226.977642][ T6883] get_tree_bdev+0x358/0x544 [ 226.978309][ T6883] gfs2_get_tree+0x54/0x1b4 [ 226.978956][ T6883] vfs_get_tree+0x90/0x274 [ 226.979613][ T6883] do_new_mount+0x228/0x810 [ 226.980242][ T6883] path_mount+0x5b4/0x1000 [ 226.980845][ T6883] __arm64_sys_mount+0x514/0x5e4 [ 226.981628][ T6883] invoke_syscall+0x98/0x2b8 [ 226.982285][ T6883] el0_svc_common+0x138/0x258 [ 226.982930][ T6883] do_el0_svc+0x58/0x14c [ 226.983533][ T6883] el0_svc+0x78/0x1e0 [ 226.984083][ T6883] el0t_64_sync_handler+0xcc/0xe4 [ 226.984835][ T6883] el0t_64_sync+0x1a0/0x1a4 [ 226.987205][ T6883] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.989089][ T6883] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.130636][ T6886] loop1: detected capacity change from 0 to 32768 [ 227.165352][ T6886] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.166526][ T6886] CPU: 1 PID: 6886 Comm: syz.1.644 Not tainted syzkaller #0 [ 227.167573][ T6886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.169009][ T6886] Call trace: [ 227.169470][ T6886] dump_backtrace+0x0/0x43c [ 227.170133][ T6886] show_stack+0x2c/0x3c [ 227.170722][ T6886] __dump_stack+0x30/0x40 [ 227.171377][ T6886] dump_stack_lvl+0xf8/0x160 [ 227.172055][ T6886] dump_stack+0x1c/0x5c [ 227.172659][ T6886] sysfs_create_dir_ns+0x22c/0x24c [ 227.173392][ T6886] kobject_add_internal+0x590/0xc54 [ 227.174181][ T6886] kobject_init_and_add+0x118/0x17c [ 227.174957][ T6886] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.175609][ T6886] gfs2_fill_super+0xdac/0x19e0 [ 227.176243][ T6886] get_tree_bdev+0x358/0x544 [ 227.176866][ T6886] gfs2_get_tree+0x54/0x1b4 [ 227.177554][ T6886] vfs_get_tree+0x90/0x274 [ 227.178184][ T6886] do_new_mount+0x228/0x810 [ 227.178824][ T6886] path_mount+0x5b4/0x1000 [ 227.179412][ T6886] __arm64_sys_mount+0x514/0x5e4 [ 227.180079][ T6886] invoke_syscall+0x98/0x2b8 [ 227.180729][ T6886] el0_svc_common+0x138/0x258 [ 227.181334][ T6886] do_el0_svc+0x58/0x14c [ 227.181902][ T6886] el0_svc+0x78/0x1e0 [ 227.182450][ T6886] el0t_64_sync_handler+0xcc/0xe4 [ 227.183160][ T6886] el0t_64_sync+0x1a0/0x1a4 [ 227.185254][ T6886] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.187083][ T6886] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.356546][ T6889] loop1: detected capacity change from 0 to 32768 [ 227.395380][ T6889] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.396541][ T6889] CPU: 0 PID: 6889 Comm: syz.1.645 Not tainted syzkaller #0 [ 227.397516][ T6889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.398908][ T6889] Call trace: [ 227.399354][ T6889] dump_backtrace+0x0/0x43c [ 227.400042][ T6889] show_stack+0x2c/0x3c [ 227.400596][ T6889] __dump_stack+0x30/0x40 [ 227.401214][ T6889] dump_stack_lvl+0xf8/0x160 [ 227.401870][ T6889] dump_stack+0x1c/0x5c [ 227.402533][ T6889] sysfs_create_dir_ns+0x22c/0x24c [ 227.403335][ T6889] kobject_add_internal+0x590/0xc54 [ 227.404167][ T6889] kobject_init_and_add+0x118/0x17c [ 227.404935][ T6889] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.405664][ T6889] gfs2_fill_super+0xdac/0x19e0 [ 227.406342][ T6889] get_tree_bdev+0x358/0x544 [ 227.407035][ T6889] gfs2_get_tree+0x54/0x1b4 [ 227.407669][ T6889] vfs_get_tree+0x90/0x274 [ 227.408337][ T6889] do_new_mount+0x228/0x810 [ 227.408973][ T6889] path_mount+0x5b4/0x1000 [ 227.409586][ T6889] __arm64_sys_mount+0x514/0x5e4 [ 227.410299][ T6889] invoke_syscall+0x98/0x2b8 [ 227.410946][ T6889] el0_svc_common+0x138/0x258 [ 227.411645][ T6889] do_el0_svc+0x58/0x14c [ 227.412248][ T6889] el0_svc+0x78/0x1e0 [ 227.412785][ T6889] el0t_64_sync_handler+0xcc/0xe4 [ 227.413474][ T6889] el0t_64_sync+0x1a0/0x1a4 [ 227.414383][ T6889] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.416491][ T6889] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.578740][ T6892] loop1: detected capacity change from 0 to 32768 [ 227.635367][ T6892] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.636553][ T6892] CPU: 1 PID: 6892 Comm: syz.1.646 Not tainted syzkaller #0 [ 227.637723][ T6892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.639212][ T6892] Call trace: [ 227.639681][ T6892] dump_backtrace+0x0/0x43c [ 227.640328][ T6892] show_stack+0x2c/0x3c [ 227.640906][ T6892] __dump_stack+0x30/0x40 [ 227.641517][ T6892] dump_stack_lvl+0xf8/0x160 [ 227.642159][ T6892] dump_stack+0x1c/0x5c [ 227.642808][ T6892] sysfs_create_dir_ns+0x22c/0x24c [ 227.643576][ T6892] kobject_add_internal+0x590/0xc54 [ 227.644274][ T6892] kobject_init_and_add+0x118/0x17c [ 227.645071][ T6892] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.645784][ T6892] gfs2_fill_super+0xdac/0x19e0 [ 227.646462][ T6892] get_tree_bdev+0x358/0x544 [ 227.647104][ T6892] gfs2_get_tree+0x54/0x1b4 [ 227.647752][ T6892] vfs_get_tree+0x90/0x274 [ 227.648424][ T6892] do_new_mount+0x228/0x810 [ 227.649092][ T6892] path_mount+0x5b4/0x1000 [ 227.649775][ T6892] __arm64_sys_mount+0x514/0x5e4 [ 227.650509][ T6892] invoke_syscall+0x98/0x2b8 [ 227.651202][ T6892] el0_svc_common+0x138/0x258 [ 227.651876][ T6892] do_el0_svc+0x58/0x14c [ 227.652479][ T6892] el0_svc+0x78/0x1e0 [ 227.653048][ T6892] el0t_64_sync_handler+0xcc/0xe4 [ 227.653725][ T6892] el0t_64_sync+0x1a0/0x1a4 [ 227.656059][ T6892] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.657901][ T6892] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.790178][ T6895] loop1: detected capacity change from 0 to 32768 [ 227.876153][ T6895] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.877425][ T6895] CPU: 0 PID: 6895 Comm: syz.1.647 Not tainted syzkaller #0 [ 227.878532][ T6895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.879987][ T6895] Call trace: [ 227.880443][ T6895] dump_backtrace+0x0/0x43c [ 227.881078][ T6895] show_stack+0x2c/0x3c [ 227.881620][ T6895] __dump_stack+0x30/0x40 [ 227.882337][ T6895] dump_stack_lvl+0xf8/0x160 [ 227.882955][ T6895] dump_stack+0x1c/0x5c [ 227.883554][ T6895] sysfs_create_dir_ns+0x22c/0x24c [ 227.884289][ T6895] kobject_add_internal+0x590/0xc54 [ 227.885059][ T6895] kobject_init_and_add+0x118/0x17c [ 227.885878][ T6895] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.886600][ T6895] gfs2_fill_super+0xdac/0x19e0 [ 227.887320][ T6895] get_tree_bdev+0x358/0x544 [ 227.888056][ T6895] gfs2_get_tree+0x54/0x1b4 [ 227.888717][ T6895] vfs_get_tree+0x90/0x274 [ 227.889375][ T6895] do_new_mount+0x228/0x810 [ 227.890094][ T6895] path_mount+0x5b4/0x1000 [ 227.890739][ T6895] __arm64_sys_mount+0x514/0x5e4 [ 227.891463][ T6895] invoke_syscall+0x98/0x2b8 [ 227.892096][ T6895] el0_svc_common+0x138/0x258 [ 227.892727][ T6895] do_el0_svc+0x58/0x14c [ 227.893391][ T6895] el0_svc+0x78/0x1e0 [ 227.893947][ T6895] el0t_64_sync_handler+0xcc/0xe4 [ 227.894698][ T6895] el0t_64_sync+0x1a0/0x1a4 [ 227.895527][ T6895] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.898375][ T6895] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 228.028436][ T6898] loop1: detected capacity change from 0 to 32768 [ 228.075333][ T6898] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 228.076576][ T6898] CPU: 1 PID: 6898 Comm: syz.1.648 Not tainted syzkaller #0 [ 228.077746][ T6898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.079225][ T6898] Call trace: [ 228.079721][ T6898] dump_backtrace+0x0/0x43c [ 228.080345][ T6898] show_stack+0x2c/0x3c [ 228.080922][ T6898] __dump_stack+0x30/0x40 [ 228.081550][ T6898] dump_stack_lvl+0xf8/0x160 [ 228.082224][ T6898] dump_stack+0x1c/0x5c [ 228.082822][ T6898] sysfs_create_dir_ns+0x22c/0x24c [ 228.083620][ T6898] kobject_add_internal+0x590/0xc54 [ 228.084401][ T6898] kobject_init_and_add+0x118/0x17c [ 228.085193][ T6898] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.085921][ T6898] gfs2_fill_super+0xdac/0x19e0 [ 228.086631][ T6898] get_tree_bdev+0x358/0x544 [ 228.087261][ T6898] gfs2_get_tree+0x54/0x1b4 [ 228.087875][ T6898] vfs_get_tree+0x90/0x274 [ 228.088578][ T6898] do_new_mount+0x228/0x810 [ 228.089203][ T6898] path_mount+0x5b4/0x1000 [ 228.089876][ T6898] __arm64_sys_mount+0x514/0x5e4 [ 228.090620][ T6898] invoke_syscall+0x98/0x2b8 [ 228.091317][ T6898] el0_svc_common+0x138/0x258 [ 228.091967][ T6898] do_el0_svc+0x58/0x14c [ 228.092585][ T6898] el0_svc+0x78/0x1e0 [ 228.093116][ T6898] el0t_64_sync_handler+0xcc/0xe4 [ 228.093852][ T6898] el0t_64_sync+0x1a0/0x1a4 [ 228.094870][ T6898] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.097581][ T6898] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 228.298246][ T6901] loop1: detected capacity change from 0 to 32768 [ 228.344963][ T7] Bluetooth: hci2: command 0x0419 tx timeout [ 228.351864][ T6901] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 228.353088][ T6901] CPU: 1 PID: 6901 Comm: syz.1.649 Not tainted syzkaller #0 [ 228.354172][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.355687][ T6901] Call trace: [ 228.356196][ T6901] dump_backtrace+0x0/0x43c [ 228.356883][ T6901] show_stack+0x2c/0x3c [ 228.357524][ T6901] __dump_stack+0x30/0x40 [ 228.358178][ T6901] dump_stack_lvl+0xf8/0x160 [ 228.358960][ T6901] dump_stack+0x1c/0x5c [ 228.359676][ T6901] sysfs_create_dir_ns+0x22c/0x24c [ 228.360505][ T6901] kobject_add_internal+0x590/0xc54 [ 228.361311][ T6901] kobject_init_and_add+0x118/0x17c [ 228.362016][ T6901] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.362741][ T6901] gfs2_fill_super+0xdac/0x19e0 [ 228.363521][ T6901] get_tree_bdev+0x358/0x544 [ 228.364262][ T6901] gfs2_get_tree+0x54/0x1b4 [ 228.364920][ T6901] vfs_get_tree+0x90/0x274 [ 228.365709][ T6901] do_new_mount+0x228/0x810 [ 228.366477][ T6901] path_mount+0x5b4/0x1000 [ 228.367191][ T6901] __arm64_sys_mount+0x514/0x5e4 [ 228.368048][ T6901] invoke_syscall+0x98/0x2b8 [ 228.368762][ T6901] el0_svc_common+0x138/0x258 [ 228.369487][ T6901] do_el0_svc+0x58/0x14c [ 228.370129][ T6901] el0_svc+0x78/0x1e0 [ 228.370720][ T6901] el0t_64_sync_handler+0xcc/0xe4 [ 228.371430][ T6901] el0t_64_sync+0x1a0/0x1a4 [ 228.372286][ T6901] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.374178][ T6901] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 228.506579][ T6904] loop1: detected capacity change from 0 to 32768 [ 228.512496][ T6904] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 228.513865][ T6904] CPU: 0 PID: 6904 Comm: syz.1.650 Not tainted syzkaller #0 [ 228.515051][ T6904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.516648][ T6904] Call trace: [ 228.517120][ T6904] dump_backtrace+0x0/0x43c [ 228.517815][ T6904] show_stack+0x2c/0x3c [ 228.518502][ T6904] __dump_stack+0x30/0x40 [ 228.519149][ T6904] dump_stack_lvl+0xf8/0x160 [ 228.519832][ T6904] dump_stack+0x1c/0x5c [ 228.520442][ T6904] sysfs_create_dir_ns+0x22c/0x24c [ 228.521226][ T6904] kobject_add_internal+0x590/0xc54 [ 228.522034][ T6904] kobject_init_and_add+0x118/0x17c [ 228.522867][ T6904] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.523560][ T6904] gfs2_fill_super+0xdac/0x19e0 [ 228.524280][ T6904] get_tree_bdev+0x358/0x544 [ 228.524982][ T6904] gfs2_get_tree+0x54/0x1b4 [ 228.525660][ T6904] vfs_get_tree+0x90/0x274 [ 228.526281][ T6904] do_new_mount+0x228/0x810 [ 228.526925][ T6904] path_mount+0x5b4/0x1000 [ 228.527610][ T6904] __arm64_sys_mount+0x514/0x5e4 [ 228.528419][ T6904] invoke_syscall+0x98/0x2b8 [ 228.529041][ T6904] el0_svc_common+0x138/0x258 [ 228.529665][ T6904] do_el0_svc+0x58/0x14c [ 228.530292][ T6904] el0_svc+0x78/0x1e0 [ 228.530861][ T6904] el0t_64_sync_handler+0xcc/0xe4 [ 228.531517][ T6904] el0t_64_sync+0x1a0/0x1a4 [ 228.533511][ T6904] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.535441][ T6904] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 228.664732][ T6907] loop1: detected capacity change from 0 to 32768 [ 228.671321][ T6907] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 228.672467][ T6907] CPU: 0 PID: 6907 Comm: syz.1.651 Not tainted syzkaller #0 [ 228.673578][ T6907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.675139][ T6907] Call trace: [ 228.675639][ T6907] dump_backtrace+0x0/0x43c [ 228.676321][ T6907] show_stack+0x2c/0x3c [ 228.676934][ T6907] __dump_stack+0x30/0x40 [ 228.677564][ T6907] dump_stack_lvl+0xf8/0x160 [ 228.678230][ T6907] dump_stack+0x1c/0x5c [ 228.678827][ T6907] sysfs_create_dir_ns+0x22c/0x24c [ 228.679510][ T6907] kobject_add_internal+0x590/0xc54 [ 228.680221][ T6907] kobject_init_and_add+0x118/0x17c [ 228.680952][ T6907] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.681617][ T6907] gfs2_fill_super+0xdac/0x19e0 [ 228.682308][ T6907] get_tree_bdev+0x358/0x544 [ 228.682969][ T6907] gfs2_get_tree+0x54/0x1b4 [ 228.683661][ T6907] vfs_get_tree+0x90/0x274 [ 228.684319][ T6907] do_new_mount+0x228/0x810 [ 228.684921][ T6907] path_mount+0x5b4/0x1000 [ 228.685563][ T6907] __arm64_sys_mount+0x514/0x5e4 [ 228.686269][ T6907] invoke_syscall+0x98/0x2b8 [ 228.686922][ T6907] el0_svc_common+0x138/0x258 [ 228.687628][ T6907] do_el0_svc+0x58/0x14c [ 228.688231][ T6907] el0_svc+0x78/0x1e0 [ 228.688799][ T6907] el0t_64_sync_handler+0xcc/0xe4 [ 228.689503][ T6907] el0t_64_sync+0x1a0/0x1a4 [ 228.691885][ T6907] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.693662][ T6907] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:48 executed programs: 638 [ 228.932789][ T6910] loop1: detected capacity change from 0 to 32768 [ 228.975295][ T6910] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 228.976511][ T6910] CPU: 0 PID: 6910 Comm: syz.1.652 Not tainted syzkaller #0 [ 228.977691][ T6910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.979271][ T6910] Call trace: [ 228.979764][ T6910] dump_backtrace+0x0/0x43c [ 228.980473][ T6910] show_stack+0x2c/0x3c [ 228.981092][ T6910] __dump_stack+0x30/0x40 [ 228.981761][ T6910] dump_stack_lvl+0xf8/0x160 [ 228.982490][ T6910] dump_stack+0x1c/0x5c [ 228.983136][ T6910] sysfs_create_dir_ns+0x22c/0x24c [ 228.983874][ T6910] kobject_add_internal+0x590/0xc54 [ 228.984745][ T6910] kobject_init_and_add+0x118/0x17c [ 228.985542][ T6910] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.986275][ T6910] gfs2_fill_super+0xdac/0x19e0 [ 228.987046][ T6910] get_tree_bdev+0x358/0x544 [ 228.987840][ T6910] gfs2_get_tree+0x54/0x1b4 [ 228.988595][ T6910] vfs_get_tree+0x90/0x274 [ 228.989188][ T6910] do_new_mount+0x228/0x810 [ 228.989824][ T6910] path_mount+0x5b4/0x1000 [ 228.990438][ T6910] __arm64_sys_mount+0x514/0x5e4 [ 228.991146][ T6910] invoke_syscall+0x98/0x2b8 [ 228.991831][ T6910] el0_svc_common+0x138/0x258 [ 228.992544][ T6910] do_el0_svc+0x58/0x14c [ 228.993158][ T6910] el0_svc+0x78/0x1e0 [ 228.993769][ T6910] el0t_64_sync_handler+0xcc/0xe4 [ 228.994497][ T6910] el0t_64_sync+0x1a0/0x1a4 [ 228.996303][ T6910] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.998148][ T6910] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.135281][ T6913] loop1: detected capacity change from 0 to 32768 [ 229.205375][ T6913] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.206574][ T6913] CPU: 0 PID: 6913 Comm: syz.1.653 Not tainted syzkaller #0 [ 229.207585][ T6913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.209002][ T6913] Call trace: [ 229.209466][ T6913] dump_backtrace+0x0/0x43c [ 229.210173][ T6913] show_stack+0x2c/0x3c [ 229.210750][ T6913] __dump_stack+0x30/0x40 [ 229.211365][ T6913] dump_stack_lvl+0xf8/0x160 [ 229.212042][ T6913] dump_stack+0x1c/0x5c [ 229.212649][ T6913] sysfs_create_dir_ns+0x22c/0x24c [ 229.213383][ T6913] kobject_add_internal+0x590/0xc54 [ 229.214156][ T6913] kobject_init_and_add+0x118/0x17c [ 229.214892][ T6913] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.215603][ T6913] gfs2_fill_super+0xdac/0x19e0 [ 229.216273][ T6913] get_tree_bdev+0x358/0x544 [ 229.216924][ T6913] gfs2_get_tree+0x54/0x1b4 [ 229.217550][ T6913] vfs_get_tree+0x90/0x274 [ 229.218135][ T6913] do_new_mount+0x228/0x810 [ 229.218739][ T6913] path_mount+0x5b4/0x1000 [ 229.219355][ T6913] __arm64_sys_mount+0x514/0x5e4 [ 229.220045][ T6913] invoke_syscall+0x98/0x2b8 [ 229.220679][ T6913] el0_svc_common+0x138/0x258 [ 229.221321][ T6913] do_el0_svc+0x58/0x14c [ 229.221900][ T6913] el0_svc+0x78/0x1e0 [ 229.222454][ T6913] el0t_64_sync_handler+0xcc/0xe4 [ 229.223133][ T6913] el0t_64_sync+0x1a0/0x1a4 [ 229.228886][ T6913] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.230674][ T6913] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.416954][ T6916] loop1: detected capacity change from 0 to 32768 [ 229.465580][ T6916] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.466659][ T6916] CPU: 0 PID: 6916 Comm: syz.1.654 Not tainted syzkaller #0 [ 229.467606][ T6916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.469119][ T6916] Call trace: [ 229.469637][ T6916] dump_backtrace+0x0/0x43c [ 229.470340][ T6916] show_stack+0x2c/0x3c [ 229.470941][ T6916] __dump_stack+0x30/0x40 [ 229.471562][ T6916] dump_stack_lvl+0xf8/0x160 [ 229.472262][ T6916] dump_stack+0x1c/0x5c [ 229.472809][ T6916] sysfs_create_dir_ns+0x22c/0x24c [ 229.473537][ T6916] kobject_add_internal+0x590/0xc54 [ 229.474290][ T6916] kobject_init_and_add+0x118/0x17c [ 229.475061][ T6916] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.475725][ T6916] gfs2_fill_super+0xdac/0x19e0 [ 229.476401][ T6916] get_tree_bdev+0x358/0x544 [ 229.477058][ T6916] gfs2_get_tree+0x54/0x1b4 [ 229.477686][ T6916] vfs_get_tree+0x90/0x274 [ 229.478353][ T6916] do_new_mount+0x228/0x810 [ 229.479046][ T6916] path_mount+0x5b4/0x1000 [ 229.479700][ T6916] __arm64_sys_mount+0x514/0x5e4 [ 229.480361][ T6916] invoke_syscall+0x98/0x2b8 [ 229.481030][ T6916] el0_svc_common+0x138/0x258 [ 229.481739][ T6916] do_el0_svc+0x58/0x14c [ 229.482387][ T6916] el0_svc+0x78/0x1e0 [ 229.482952][ T6916] el0t_64_sync_handler+0xcc/0xe4 [ 229.483693][ T6916] el0t_64_sync+0x1a0/0x1a4 [ 229.485040][ T6916] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.486925][ T6916] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.624645][ T6919] loop1: detected capacity change from 0 to 32768 [ 229.632610][ T6919] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.633734][ T6919] CPU: 0 PID: 6919 Comm: syz.1.655 Not tainted syzkaller #0 [ 229.634735][ T6919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.636314][ T6919] Call trace: [ 229.636781][ T6919] dump_backtrace+0x0/0x43c [ 229.637424][ T6919] show_stack+0x2c/0x3c [ 229.638019][ T6919] __dump_stack+0x30/0x40 [ 229.638677][ T6919] dump_stack_lvl+0xf8/0x160 [ 229.639282][ T6919] dump_stack+0x1c/0x5c [ 229.639929][ T6919] sysfs_create_dir_ns+0x22c/0x24c [ 229.640581][ T6919] kobject_add_internal+0x590/0xc54 [ 229.641320][ T6919] kobject_init_and_add+0x118/0x17c [ 229.642089][ T6919] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.642786][ T6919] gfs2_fill_super+0xdac/0x19e0 [ 229.643460][ T6919] get_tree_bdev+0x358/0x544 [ 229.644091][ T6919] gfs2_get_tree+0x54/0x1b4 [ 229.644691][ T6919] vfs_get_tree+0x90/0x274 [ 229.645316][ T6919] do_new_mount+0x228/0x810 [ 229.645983][ T6919] path_mount+0x5b4/0x1000 [ 229.646623][ T6919] __arm64_sys_mount+0x514/0x5e4 [ 229.647330][ T6919] invoke_syscall+0x98/0x2b8 [ 229.647964][ T6919] el0_svc_common+0x138/0x258 [ 229.648596][ T6919] do_el0_svc+0x58/0x14c [ 229.649174][ T6919] el0_svc+0x78/0x1e0 [ 229.649675][ T6919] el0t_64_sync_handler+0xcc/0xe4 [ 229.650353][ T6919] el0t_64_sync+0x1a0/0x1a4 [ 229.652689][ T6919] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.654432][ T6919] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.789511][ T6922] loop1: detected capacity change from 0 to 32768 [ 229.825353][ T6922] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.826565][ T6922] CPU: 0 PID: 6922 Comm: syz.1.656 Not tainted syzkaller #0 [ 229.827604][ T6922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.829087][ T6922] Call trace: [ 229.829562][ T6922] dump_backtrace+0x0/0x43c [ 229.830198][ T6922] show_stack+0x2c/0x3c [ 229.830821][ T6922] __dump_stack+0x30/0x40 [ 229.831459][ T6922] dump_stack_lvl+0xf8/0x160 [ 229.832164][ T6922] dump_stack+0x1c/0x5c [ 229.832787][ T6922] sysfs_create_dir_ns+0x22c/0x24c [ 229.833580][ T6922] kobject_add_internal+0x590/0xc54 [ 229.834243][ T6922] kobject_init_and_add+0x118/0x17c [ 229.834973][ T6922] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.835669][ T6922] gfs2_fill_super+0xdac/0x19e0 [ 229.836392][ T6922] get_tree_bdev+0x358/0x544 [ 229.837030][ T6922] gfs2_get_tree+0x54/0x1b4 [ 229.837663][ T6922] vfs_get_tree+0x90/0x274 [ 229.838324][ T6922] do_new_mount+0x228/0x810 [ 229.838919][ T6922] path_mount+0x5b4/0x1000 [ 229.839516][ T6922] __arm64_sys_mount+0x514/0x5e4 [ 229.840328][ T6922] invoke_syscall+0x98/0x2b8 [ 229.841058][ T6922] el0_svc_common+0x138/0x258 [ 229.841805][ T6922] do_el0_svc+0x58/0x14c [ 229.842427][ T6922] el0_svc+0x78/0x1e0 [ 229.843003][ T6922] el0t_64_sync_handler+0xcc/0xe4 [ 229.843770][ T6922] el0t_64_sync+0x1a0/0x1a4 [ 229.846533][ T6922] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.848315][ T6922] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.091028][ T6925] loop1: detected capacity change from 0 to 32768 [ 230.130831][ T6925] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.132063][ T6925] CPU: 1 PID: 6925 Comm: syz.1.657 Not tainted syzkaller #0 [ 230.133050][ T6925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.134478][ T6925] Call trace: [ 230.134967][ T6925] dump_backtrace+0x0/0x43c [ 230.135647][ T6925] show_stack+0x2c/0x3c [ 230.136257][ T6925] __dump_stack+0x30/0x40 [ 230.136896][ T6925] dump_stack_lvl+0xf8/0x160 [ 230.137583][ T6925] dump_stack+0x1c/0x5c [ 230.138160][ T6925] sysfs_create_dir_ns+0x22c/0x24c [ 230.138878][ T6925] kobject_add_internal+0x590/0xc54 [ 230.139628][ T6925] kobject_init_and_add+0x118/0x17c [ 230.140309][ T6925] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.140979][ T6925] gfs2_fill_super+0xdac/0x19e0 [ 230.141689][ T6925] get_tree_bdev+0x358/0x544 [ 230.142344][ T6925] gfs2_get_tree+0x54/0x1b4 [ 230.143049][ T6925] vfs_get_tree+0x90/0x274 [ 230.143701][ T6925] do_new_mount+0x228/0x810 [ 230.144358][ T6925] path_mount+0x5b4/0x1000 [ 230.145077][ T6925] __arm64_sys_mount+0x514/0x5e4 [ 230.145771][ T6925] invoke_syscall+0x98/0x2b8 [ 230.146500][ T6925] el0_svc_common+0x138/0x258 [ 230.147283][ T6925] do_el0_svc+0x58/0x14c [ 230.147966][ T6925] el0_svc+0x78/0x1e0 [ 230.148548][ T6925] el0t_64_sync_handler+0xcc/0xe4 [ 230.149317][ T6925] el0t_64_sync+0x1a0/0x1a4 [ 230.150132][ T6925] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.152408][ T6925] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.383411][ T6928] loop1: detected capacity change from 0 to 32768 [ 230.420825][ T6928] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.422191][ T6928] CPU: 0 PID: 6928 Comm: syz.1.658 Not tainted syzkaller #0 [ 230.423192][ T6928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.424709][ T6928] Call trace: [ 230.425204][ T6928] dump_backtrace+0x0/0x43c [ 230.425880][ T6928] show_stack+0x2c/0x3c [ 230.426483][ T6928] __dump_stack+0x30/0x40 [ 230.427126][ T6928] dump_stack_lvl+0xf8/0x160 [ 230.427816][ T6928] dump_stack+0x1c/0x5c [ 230.428434][ T6928] sysfs_create_dir_ns+0x22c/0x24c [ 230.429142][ T6928] kobject_add_internal+0x590/0xc54 [ 230.429930][ T6928] kobject_init_and_add+0x118/0x17c [ 230.430680][ T6928] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.431438][ T6928] gfs2_fill_super+0xdac/0x19e0 [ 230.432118][ T6928] get_tree_bdev+0x358/0x544 [ 230.432744][ T6928] gfs2_get_tree+0x54/0x1b4 [ 230.433386][ T6928] vfs_get_tree+0x90/0x274 [ 230.434025][ T6928] do_new_mount+0x228/0x810 [ 230.434711][ T6928] path_mount+0x5b4/0x1000 [ 230.435328][ T6928] __arm64_sys_mount+0x514/0x5e4 [ 230.436024][ T6928] invoke_syscall+0x98/0x2b8 [ 230.436704][ T6928] el0_svc_common+0x138/0x258 [ 230.437406][ T6928] do_el0_svc+0x58/0x14c [ 230.438027][ T6928] el0_svc+0x78/0x1e0 [ 230.438585][ T6928] el0t_64_sync_handler+0xcc/0xe4 [ 230.439293][ T6928] el0t_64_sync+0x1a0/0x1a4 [ 230.441339][ T6928] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.443113][ T6928] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.673555][ T6931] loop1: detected capacity change from 0 to 32768 [ 230.719985][ T6931] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.721182][ T6931] CPU: 0 PID: 6931 Comm: syz.1.659 Not tainted syzkaller #0 [ 230.722299][ T6931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.723758][ T6931] Call trace: [ 230.724215][ T6931] dump_backtrace+0x0/0x43c [ 230.724855][ T6931] show_stack+0x2c/0x3c [ 230.725425][ T6931] __dump_stack+0x30/0x40 [ 230.726134][ T6931] dump_stack_lvl+0xf8/0x160 [ 230.726746][ T6931] dump_stack+0x1c/0x5c [ 230.727319][ T6931] sysfs_create_dir_ns+0x22c/0x24c [ 230.728082][ T6931] kobject_add_internal+0x590/0xc54 [ 230.728805][ T6931] kobject_init_and_add+0x118/0x17c [ 230.729563][ T6931] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.730254][ T6931] gfs2_fill_super+0xdac/0x19e0 [ 230.730996][ T6931] get_tree_bdev+0x358/0x544 [ 230.731677][ T6931] gfs2_get_tree+0x54/0x1b4 [ 230.732315][ T6931] vfs_get_tree+0x90/0x274 [ 230.732940][ T6931] do_new_mount+0x228/0x810 [ 230.733647][ T6931] path_mount+0x5b4/0x1000 [ 230.734331][ T6931] __arm64_sys_mount+0x514/0x5e4 [ 230.735012][ T6931] invoke_syscall+0x98/0x2b8 [ 230.735661][ T6931] el0_svc_common+0x138/0x258 [ 230.736342][ T6931] do_el0_svc+0x58/0x14c [ 230.736927][ T6931] el0_svc+0x78/0x1e0 [ 230.737484][ T6931] el0t_64_sync_handler+0xcc/0xe4 [ 230.738188][ T6931] el0t_64_sync+0x1a0/0x1a4 [ 230.740678][ T6931] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.742570][ T6931] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.906873][ T6934] loop1: detected capacity change from 0 to 32768 [ 230.950742][ T6934] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.951932][ T6934] CPU: 0 PID: 6934 Comm: syz.1.660 Not tainted syzkaller #0 [ 230.953005][ T6934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.954381][ T6934] Call trace: [ 230.954821][ T6934] dump_backtrace+0x0/0x43c [ 230.955508][ T6934] show_stack+0x2c/0x3c [ 230.956110][ T6934] __dump_stack+0x30/0x40 [ 230.956723][ T6934] dump_stack_lvl+0xf8/0x160 [ 230.957386][ T6934] dump_stack+0x1c/0x5c [ 230.957995][ T6934] sysfs_create_dir_ns+0x22c/0x24c [ 230.958703][ T6934] kobject_add_internal+0x590/0xc54 [ 230.959410][ T6934] kobject_init_and_add+0x118/0x17c [ 230.960132][ T6934] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.960768][ T6934] gfs2_fill_super+0xdac/0x19e0 [ 230.961388][ T6934] get_tree_bdev+0x358/0x544 [ 230.962034][ T6934] gfs2_get_tree+0x54/0x1b4 [ 230.962649][ T6934] vfs_get_tree+0x90/0x274 [ 230.963243][ T6934] do_new_mount+0x228/0x810 [ 230.963891][ T6934] path_mount+0x5b4/0x1000 [ 230.964484][ T6934] __arm64_sys_mount+0x514/0x5e4 [ 230.965221][ T6934] invoke_syscall+0x98/0x2b8 [ 230.965855][ T6934] el0_svc_common+0x138/0x258 [ 230.966525][ T6934] do_el0_svc+0x58/0x14c [ 230.967154][ T6934] el0_svc+0x78/0x1e0 [ 230.967717][ T6934] el0t_64_sync_handler+0xcc/0xe4 [ 230.968410][ T6934] el0t_64_sync+0x1a0/0x1a4 [ 230.969196][ T6934] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.970943][ T6934] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.215710][ T6937] loop1: detected capacity change from 0 to 32768 [ 231.265395][ T6937] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.266570][ T6937] CPU: 0 PID: 6937 Comm: syz.1.661 Not tainted syzkaller #0 [ 231.267648][ T6937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.269013][ T6937] Call trace: [ 231.269513][ T6937] dump_backtrace+0x0/0x43c [ 231.270175][ T6937] show_stack+0x2c/0x3c [ 231.270799][ T6937] __dump_stack+0x30/0x40 [ 231.271441][ T6937] dump_stack_lvl+0xf8/0x160 [ 231.272075][ T6937] dump_stack+0x1c/0x5c [ 231.272625][ T6937] sysfs_create_dir_ns+0x22c/0x24c [ 231.273336][ T6937] kobject_add_internal+0x590/0xc54 [ 231.274085][ T6937] kobject_init_and_add+0x118/0x17c [ 231.274808][ T6937] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.275482][ T6937] gfs2_fill_super+0xdac/0x19e0 [ 231.276188][ T6937] get_tree_bdev+0x358/0x544 [ 231.276868][ T6937] gfs2_get_tree+0x54/0x1b4 [ 231.277495][ T6937] vfs_get_tree+0x90/0x274 [ 231.278091][ T6937] do_new_mount+0x228/0x810 [ 231.278736][ T6937] path_mount+0x5b4/0x1000 [ 231.279379][ T6937] __arm64_sys_mount+0x514/0x5e4 [ 231.280003][ T6937] invoke_syscall+0x98/0x2b8 [ 231.280688][ T6937] el0_svc_common+0x138/0x258 [ 231.281338][ T6937] do_el0_svc+0x58/0x14c [ 231.281907][ T6937] el0_svc+0x78/0x1e0 [ 231.282514][ T6937] el0t_64_sync_handler+0xcc/0xe4 [ 231.283229][ T6937] el0t_64_sync+0x1a0/0x1a4 [ 231.286529][ T6937] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.288758][ T6937] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.420470][ T6940] loop1: detected capacity change from 0 to 32768 [ 231.455397][ T6940] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.456488][ T6940] CPU: 1 PID: 6940 Comm: syz.1.662 Not tainted syzkaller #0 [ 231.457542][ T6940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.458922][ T6940] Call trace: [ 231.459393][ T6940] dump_backtrace+0x0/0x43c [ 231.460086][ T6940] show_stack+0x2c/0x3c [ 231.460718][ T6940] __dump_stack+0x30/0x40 [ 231.461366][ T6940] dump_stack_lvl+0xf8/0x160 [ 231.462029][ T6940] dump_stack+0x1c/0x5c [ 231.462690][ T6940] sysfs_create_dir_ns+0x22c/0x24c [ 231.463451][ T6940] kobject_add_internal+0x590/0xc54 [ 231.464224][ T6940] kobject_init_and_add+0x118/0x17c [ 231.464997][ T6940] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.465657][ T6940] gfs2_fill_super+0xdac/0x19e0 [ 231.466399][ T6940] get_tree_bdev+0x358/0x544 [ 231.467053][ T6940] gfs2_get_tree+0x54/0x1b4 [ 231.467771][ T6940] vfs_get_tree+0x90/0x274 [ 231.468441][ T6940] do_new_mount+0x228/0x810 [ 231.469120][ T6940] path_mount+0x5b4/0x1000 [ 231.469867][ T6940] __arm64_sys_mount+0x514/0x5e4 [ 231.470676][ T6940] invoke_syscall+0x98/0x2b8 [ 231.471384][ T6940] el0_svc_common+0x138/0x258 [ 231.472139][ T6940] do_el0_svc+0x58/0x14c [ 231.472746][ T6940] el0_svc+0x78/0x1e0 [ 231.473324][ T6940] el0t_64_sync_handler+0xcc/0xe4 [ 231.474102][ T6940] el0t_64_sync+0x1a0/0x1a4 [ 231.476184][ T6940] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.477958][ T6940] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.657668][ T6943] loop1: detected capacity change from 0 to 32768 [ 231.701157][ T6943] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.702418][ T6943] CPU: 1 PID: 6943 Comm: syz.1.663 Not tainted syzkaller #0 [ 231.703474][ T6943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.704937][ T6943] Call trace: [ 231.705441][ T6943] dump_backtrace+0x0/0x43c [ 231.706147][ T6943] show_stack+0x2c/0x3c [ 231.706736][ T6943] __dump_stack+0x30/0x40 [ 231.707328][ T6943] dump_stack_lvl+0xf8/0x160 [ 231.707965][ T6943] dump_stack+0x1c/0x5c [ 231.708568][ T6943] sysfs_create_dir_ns+0x22c/0x24c [ 231.709322][ T6943] kobject_add_internal+0x590/0xc54 [ 231.710059][ T6943] kobject_init_and_add+0x118/0x17c [ 231.710826][ T6943] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.711544][ T6943] gfs2_fill_super+0xdac/0x19e0 [ 231.712187][ T6943] get_tree_bdev+0x358/0x544 [ 231.712902][ T6943] gfs2_get_tree+0x54/0x1b4 [ 231.713546][ T6943] vfs_get_tree+0x90/0x274 [ 231.714186][ T6943] do_new_mount+0x228/0x810 [ 231.714825][ T6943] path_mount+0x5b4/0x1000 [ 231.715499][ T6943] __arm64_sys_mount+0x514/0x5e4 [ 231.716200][ T6943] invoke_syscall+0x98/0x2b8 [ 231.716840][ T6943] el0_svc_common+0x138/0x258 [ 231.717515][ T6943] do_el0_svc+0x58/0x14c [ 231.718078][ T6943] el0_svc+0x78/0x1e0 [ 231.718686][ T6943] el0t_64_sync_handler+0xcc/0xe4 [ 231.719476][ T6943] el0t_64_sync+0x1a0/0x1a4 [ 231.721613][ T6943] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.723464][ T6943] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.854001][ T6946] loop1: detected capacity change from 0 to 32768 [ 231.860887][ T6946] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.861998][ T6946] CPU: 1 PID: 6946 Comm: syz.1.664 Not tainted syzkaller #0 [ 231.863188][ T6946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.864646][ T6946] Call trace: [ 231.865079][ T6946] dump_backtrace+0x0/0x43c [ 231.865700][ T6946] show_stack+0x2c/0x3c [ 231.866267][ T6946] __dump_stack+0x30/0x40 [ 231.866866][ T6946] dump_stack_lvl+0xf8/0x160 [ 231.867488][ T6946] dump_stack+0x1c/0x5c [ 231.868047][ T6946] sysfs_create_dir_ns+0x22c/0x24c [ 231.868765][ T6946] kobject_add_internal+0x590/0xc54 [ 231.869517][ T6946] kobject_init_and_add+0x118/0x17c [ 231.870218][ T6946] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.870890][ T6946] gfs2_fill_super+0xdac/0x19e0 [ 231.871616][ T6946] get_tree_bdev+0x358/0x544 [ 231.872380][ T6946] gfs2_get_tree+0x54/0x1b4 [ 231.873033][ T6946] vfs_get_tree+0x90/0x274 [ 231.873678][ T6946] do_new_mount+0x228/0x810 [ 231.874318][ T6946] path_mount+0x5b4/0x1000 [ 231.874963][ T6946] __arm64_sys_mount+0x514/0x5e4 [ 231.875703][ T6946] invoke_syscall+0x98/0x2b8 [ 231.876427][ T6946] el0_svc_common+0x138/0x258 [ 231.877141][ T6946] do_el0_svc+0x58/0x14c [ 231.877805][ T6946] el0_svc+0x78/0x1e0 [ 231.878380][ T6946] el0t_64_sync_handler+0xcc/0xe4 [ 231.879120][ T6946] el0t_64_sync+0x1a0/0x1a4 [ 231.882430][ T6946] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.884295][ T6946] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 232.014433][ T6949] loop1: detected capacity change from 0 to 32768 [ 232.021298][ T6949] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 232.022444][ T6949] CPU: 1 PID: 6949 Comm: syz.1.665 Not tainted syzkaller #0 [ 232.023543][ T6949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.025192][ T6949] Call trace: [ 232.025726][ T6949] dump_backtrace+0x0/0x43c [ 232.026415][ T6949] show_stack+0x2c/0x3c [ 232.027033][ T6949] __dump_stack+0x30/0x40 [ 232.027675][ T6949] dump_stack_lvl+0xf8/0x160 [ 232.028336][ T6949] dump_stack+0x1c/0x5c [ 232.029006][ T6949] sysfs_create_dir_ns+0x22c/0x24c [ 232.029794][ T6949] kobject_add_internal+0x590/0xc54 [ 232.030578][ T6949] kobject_init_and_add+0x118/0x17c [ 232.031319][ T6949] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.032035][ T6949] gfs2_fill_super+0xdac/0x19e0 [ 232.032781][ T6949] get_tree_bdev+0x358/0x544 [ 232.033521][ T6949] gfs2_get_tree+0x54/0x1b4 [ 232.034202][ T6949] vfs_get_tree+0x90/0x274 [ 232.034848][ T6949] do_new_mount+0x228/0x810 [ 232.035546][ T6949] path_mount+0x5b4/0x1000 [ 232.036209][ T6949] __arm64_sys_mount+0x514/0x5e4 [ 232.036955][ T6949] invoke_syscall+0x98/0x2b8 [ 232.037629][ T6949] el0_svc_common+0x138/0x258 [ 232.038329][ T6949] do_el0_svc+0x58/0x14c [ 232.038987][ T6949] el0_svc+0x78/0x1e0 [ 232.039556][ T6949] el0t_64_sync_handler+0xcc/0xe4 [ 232.040281][ T6949] el0t_64_sync+0x1a0/0x1a4 [ 232.041338][ T6949] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.043554][ T6949] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 232.175444][ T6952] loop1: detected capacity change from 0 to 32768 [ 232.292784][ T6952] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 232.293845][ T6952] CPU: 0 PID: 6952 Comm: syz.1.666 Not tainted syzkaller #0 [ 232.294824][ T6952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.296243][ T6952] Call trace: [ 232.296697][ T6952] dump_backtrace+0x0/0x43c [ 232.297395][ T6952] show_stack+0x2c/0x3c [ 232.298023][ T6952] __dump_stack+0x30/0x40 [ 232.298666][ T6952] dump_stack_lvl+0xf8/0x160 [ 232.299339][ T6952] dump_stack+0x1c/0x5c [ 232.299910][ T6952] sysfs_create_dir_ns+0x22c/0x24c [ 232.300655][ T6952] kobject_add_internal+0x590/0xc54 [ 232.301393][ T6952] kobject_init_and_add+0x118/0x17c [ 232.302098][ T6952] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.302785][ T6952] gfs2_fill_super+0xdac/0x19e0 [ 232.303454][ T6952] get_tree_bdev+0x358/0x544 [ 232.304082][ T6952] gfs2_get_tree+0x54/0x1b4 [ 232.304677][ T6952] vfs_get_tree+0x90/0x274 [ 232.305301][ T6952] do_new_mount+0x228/0x810 [ 232.305939][ T6952] path_mount+0x5b4/0x1000 [ 232.306590][ T6952] __arm64_sys_mount+0x514/0x5e4 [ 232.307338][ T6952] invoke_syscall+0x98/0x2b8 [ 232.308010][ T6952] el0_svc_common+0x138/0x258 [ 232.308677][ T6952] do_el0_svc+0x58/0x14c [ 232.309305][ T6952] el0_svc+0x78/0x1e0 [ 232.309882][ T6952] el0t_64_sync_handler+0xcc/0xe4 [ 232.310608][ T6952] el0t_64_sync+0x1a0/0x1a4 [ 232.312687][ T6952] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.314320][ T6952] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 232.497349][ T6955] loop1: detected capacity change from 0 to 32768 [ 232.504142][ T6955] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 232.505651][ T6955] CPU: 0 PID: 6955 Comm: syz.1.667 Not tainted syzkaller #0 [ 232.506798][ T6955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.508388][ T6955] Call trace: [ 232.508867][ T6955] dump_backtrace+0x0/0x43c [ 232.509519][ T6955] show_stack+0x2c/0x3c [ 232.510127][ T6955] __dump_stack+0x30/0x40 [ 232.510742][ T6955] dump_stack_lvl+0xf8/0x160 [ 232.511454][ T6955] dump_stack+0x1c/0x5c [ 232.512069][ T6955] sysfs_create_dir_ns+0x22c/0x24c [ 232.512748][ T6955] kobject_add_internal+0x590/0xc54 [ 232.513510][ T6955] kobject_init_and_add+0x118/0x17c [ 232.514260][ T6955] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.514965][ T6955] gfs2_fill_super+0xdac/0x19e0 [ 232.515653][ T6955] get_tree_bdev+0x358/0x544 [ 232.516302][ T6955] gfs2_get_tree+0x54/0x1b4 [ 232.516939][ T6955] vfs_get_tree+0x90/0x274 [ 232.517560][ T6955] do_new_mount+0x228/0x810 [ 232.518216][ T6955] path_mount+0x5b4/0x1000 [ 232.518860][ T6955] __arm64_sys_mount+0x514/0x5e4 [ 232.519580][ T6955] invoke_syscall+0x98/0x2b8 [ 232.520234][ T6955] el0_svc_common+0x138/0x258 [ 232.520918][ T6955] do_el0_svc+0x58/0x14c [ 232.521517][ T6955] el0_svc+0x78/0x1e0 [ 232.522072][ T6955] el0t_64_sync_handler+0xcc/0xe4 [ 232.522825][ T6955] el0t_64_sync+0x1a0/0x1a4 [ 232.527275][ T6955] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.529259][ T6955] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 232.666816][ T6958] loop1: detected capacity change from 0 to 32768 [ 232.715300][ T6958] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 232.716449][ T6958] CPU: 0 PID: 6958 Comm: syz.1.668 Not tainted syzkaller #0 [ 232.717482][ T6958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.718888][ T6958] Call trace: [ 232.719371][ T6958] dump_backtrace+0x0/0x43c [ 232.720079][ T6958] show_stack+0x2c/0x3c [ 232.720663][ T6958] __dump_stack+0x30/0x40 [ 232.721242][ T6958] dump_stack_lvl+0xf8/0x160 [ 232.721897][ T6958] dump_stack+0x1c/0x5c [ 232.722507][ T6958] sysfs_create_dir_ns+0x22c/0x24c [ 232.723219][ T6958] kobject_add_internal+0x590/0xc54 [ 232.724026][ T6958] kobject_init_and_add+0x118/0x17c [ 232.724793][ T6958] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.725516][ T6958] gfs2_fill_super+0xdac/0x19e0 [ 232.726155][ T6958] get_tree_bdev+0x358/0x544 [ 232.726873][ T6958] gfs2_get_tree+0x54/0x1b4 [ 232.727494][ T6958] vfs_get_tree+0x90/0x274 [ 232.728138][ T6958] do_new_mount+0x228/0x810 [ 232.728790][ T6958] path_mount+0x5b4/0x1000 [ 232.729442][ T6958] __arm64_sys_mount+0x514/0x5e4 [ 232.730153][ T6958] invoke_syscall+0x98/0x2b8 [ 232.730807][ T6958] el0_svc_common+0x138/0x258 [ 232.731487][ T6958] do_el0_svc+0x58/0x14c [ 232.732142][ T6958] el0_svc+0x78/0x1e0 [ 232.732720][ T6958] el0t_64_sync_handler+0xcc/0xe4 [ 232.733468][ T6958] el0t_64_sync+0x1a0/0x1a4 [ 232.734680][ T6958] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.736612][ T6958] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 232.917909][ T6961] loop1: detected capacity change from 0 to 32768 [ 232.969937][ T6961] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 232.971057][ T6961] CPU: 0 PID: 6961 Comm: syz.1.669 Not tainted syzkaller #0 [ 232.972133][ T6961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.973538][ T6961] Call trace: [ 232.973988][ T6961] dump_backtrace+0x0/0x43c [ 232.974611][ T6961] show_stack+0x2c/0x3c [ 232.975226][ T6961] __dump_stack+0x30/0x40 [ 232.975847][ T6961] dump_stack_lvl+0xf8/0x160 [ 232.976576][ T6961] dump_stack+0x1c/0x5c [ 232.977231][ T6961] sysfs_create_dir_ns+0x22c/0x24c [ 232.977984][ T6961] kobject_add_internal+0x590/0xc54 [ 232.978731][ T6961] kobject_init_and_add+0x118/0x17c [ 232.979451][ T6961] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.980104][ T6961] gfs2_fill_super+0xdac/0x19e0 [ 232.980808][ T6961] get_tree_bdev+0x358/0x544 [ 232.981467][ T6961] gfs2_get_tree+0x54/0x1b4 [ 232.982117][ T6961] vfs_get_tree+0x90/0x274 [ 232.982741][ T6961] do_new_mount+0x228/0x810 [ 232.983374][ T6961] path_mount+0x5b4/0x1000 [ 232.983984][ T6961] __arm64_sys_mount+0x514/0x5e4 [ 232.984713][ T6961] invoke_syscall+0x98/0x2b8 [ 232.985356][ T6961] el0_svc_common+0x138/0x258 [ 232.986006][ T6961] do_el0_svc+0x58/0x14c [ 232.986602][ T6961] el0_svc+0x78/0x1e0 [ 232.987174][ T6961] el0t_64_sync_handler+0xcc/0xe4 [ 232.987882][ T6961] el0t_64_sync+0x1a0/0x1a4 [ 232.989569][ T6961] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.991381][ T6961] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 233.123893][ T6964] loop1: detected capacity change from 0 to 32768 [ 233.165351][ T6964] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 233.166619][ T6964] CPU: 0 PID: 6964 Comm: syz.1.670 Not tainted syzkaller #0 [ 233.167682][ T6964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.169031][ T6964] Call trace: [ 233.169524][ T6964] dump_backtrace+0x0/0x43c [ 233.170170][ T6964] show_stack+0x2c/0x3c [ 233.170809][ T6964] __dump_stack+0x30/0x40 [ 233.171469][ T6964] dump_stack_lvl+0xf8/0x160 [ 233.172126][ T6964] dump_stack+0x1c/0x5c [ 233.172759][ T6964] sysfs_create_dir_ns+0x22c/0x24c [ 233.173470][ T6964] kobject_add_internal+0x590/0xc54 [ 233.174246][ T6964] kobject_init_and_add+0x118/0x17c [ 233.174924][ T6964] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.175605][ T6964] gfs2_fill_super+0xdac/0x19e0 [ 233.176325][ T6964] get_tree_bdev+0x358/0x544 [ 233.176938][ T6964] gfs2_get_tree+0x54/0x1b4 [ 233.177532][ T6964] vfs_get_tree+0x90/0x274 [ 233.178161][ T6964] do_new_mount+0x228/0x810 [ 233.178831][ T6964] path_mount+0x5b4/0x1000 [ 233.179444][ T6964] __arm64_sys_mount+0x514/0x5e4 [ 233.180152][ T6964] invoke_syscall+0x98/0x2b8 [ 233.180822][ T6964] el0_svc_common+0x138/0x258 [ 233.181497][ T6964] do_el0_svc+0x58/0x14c [ 233.182096][ T6964] el0_svc+0x78/0x1e0 [ 233.182666][ T6964] el0t_64_sync_handler+0xcc/0xe4 [ 233.183395][ T6964] el0t_64_sync+0x1a0/0x1a4 [ 233.186385][ T6964] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.188331][ T6964] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 233.327216][ T6967] loop1: detected capacity change from 0 to 32768 [ 233.370053][ T6967] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 233.371148][ T6967] CPU: 1 PID: 6967 Comm: syz.1.671 Not tainted syzkaller #0 [ 233.372254][ T6967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.373666][ T6967] Call trace: [ 233.374101][ T6967] dump_backtrace+0x0/0x43c [ 233.374800][ T6967] show_stack+0x2c/0x3c [ 233.375376][ T6967] __dump_stack+0x30/0x40 [ 233.376022][ T6967] dump_stack_lvl+0xf8/0x160 [ 233.376717][ T6967] dump_stack+0x1c/0x5c [ 233.377367][ T6967] sysfs_create_dir_ns+0x22c/0x24c [ 233.378099][ T6967] kobject_add_internal+0x590/0xc54 [ 233.378829][ T6967] kobject_init_and_add+0x118/0x17c [ 233.379586][ T6967] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.380240][ T6967] gfs2_fill_super+0xdac/0x19e0 [ 233.380963][ T6967] get_tree_bdev+0x358/0x544 [ 233.381609][ T6967] gfs2_get_tree+0x54/0x1b4 [ 233.382230][ T6967] vfs_get_tree+0x90/0x274 [ 233.382922][ T6967] do_new_mount+0x228/0x810 [ 233.383612][ T6967] path_mount+0x5b4/0x1000 [ 233.384268][ T6967] __arm64_sys_mount+0x514/0x5e4 [ 233.385031][ T6967] invoke_syscall+0x98/0x2b8 [ 233.385684][ T6967] el0_svc_common+0x138/0x258 [ 233.386343][ T6967] do_el0_svc+0x58/0x14c [ 233.386937][ T6967] el0_svc+0x78/0x1e0 [ 233.387561][ T6967] el0t_64_sync_handler+0xcc/0xe4 [ 233.388325][ T6967] el0t_64_sync+0x1a0/0x1a4 [ 233.389543][ T6967] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.392677][ T6967] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 233.532784][ T6970] loop1: detected capacity change from 0 to 32768 [ 233.537454][ T6970] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 233.538614][ T6970] CPU: 1 PID: 6970 Comm: syz.1.672 Not tainted syzkaller #0 [ 233.539670][ T6970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.541106][ T6970] Call trace: [ 233.541574][ T6970] dump_backtrace+0x0/0x43c [ 233.542208][ T6970] show_stack+0x2c/0x3c [ 233.542807][ T6970] __dump_stack+0x30/0x40 [ 233.543439][ T6970] dump_stack_lvl+0xf8/0x160 [ 233.544075][ T6970] dump_stack+0x1c/0x5c [ 233.544664][ T6970] sysfs_create_dir_ns+0x22c/0x24c [ 233.545416][ T6970] kobject_add_internal+0x590/0xc54 [ 233.546190][ T6970] kobject_init_and_add+0x118/0x17c [ 233.547015][ T6970] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.547706][ T6970] gfs2_fill_super+0xdac/0x19e0 [ 233.548377][ T6970] get_tree_bdev+0x358/0x544 [ 233.549047][ T6970] gfs2_get_tree+0x54/0x1b4 [ 233.549701][ T6970] vfs_get_tree+0x90/0x274 [ 233.550384][ T6970] do_new_mount+0x228/0x810 [ 233.551115][ T6970] path_mount+0x5b4/0x1000 [ 233.551924][ T6970] __arm64_sys_mount+0x514/0x5e4 [ 233.552610][ T6970] invoke_syscall+0x98/0x2b8 [ 233.553311][ T6970] el0_svc_common+0x138/0x258 [ 233.554039][ T6970] do_el0_svc+0x58/0x14c [ 233.554733][ T6970] el0_svc+0x78/0x1e0 [ 233.555290][ T6970] el0t_64_sync_handler+0xcc/0xe4 [ 233.556064][ T6970] el0t_64_sync+0x1a0/0x1a4 [ 233.558207][ T6970] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.560017][ T6970] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 233.694442][ T6973] loop1: detected capacity change from 0 to 32768 [ 233.701245][ T6973] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 233.702485][ T6973] CPU: 0 PID: 6973 Comm: syz.1.673 Not tainted syzkaller #0 [ 233.703553][ T6973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.704989][ T6973] Call trace: [ 233.705464][ T6973] dump_backtrace+0x0/0x43c [ 233.706139][ T6973] show_stack+0x2c/0x3c [ 233.706704][ T6973] __dump_stack+0x30/0x40 [ 233.707318][ T6973] dump_stack_lvl+0xf8/0x160 [ 233.707963][ T6973] dump_stack+0x1c/0x5c [ 233.708512][ T6973] sysfs_create_dir_ns+0x22c/0x24c [ 233.709199][ T6973] kobject_add_internal+0x590/0xc54 [ 233.709926][ T6973] kobject_init_and_add+0x118/0x17c [ 233.710612][ T6973] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.711276][ T6973] gfs2_fill_super+0xdac/0x19e0 [ 233.711917][ T6973] get_tree_bdev+0x358/0x544 [ 233.712533][ T6973] gfs2_get_tree+0x54/0x1b4 [ 233.713127][ T6973] vfs_get_tree+0x90/0x274 [ 233.713741][ T6973] do_new_mount+0x228/0x810 [ 233.714391][ T6973] path_mount+0x5b4/0x1000 [ 233.715019][ T6973] __arm64_sys_mount+0x514/0x5e4 [ 233.715733][ T6973] invoke_syscall+0x98/0x2b8 [ 233.716364][ T6973] el0_svc_common+0x138/0x258 [ 233.717018][ T6973] do_el0_svc+0x58/0x14c [ 233.717654][ T6973] el0_svc+0x78/0x1e0 [ 233.718160][ T6973] el0t_64_sync_handler+0xcc/0xe4 [ 233.718850][ T6973] el0t_64_sync+0x1a0/0x1a4 [ 233.722062][ T6973] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.723921][ T6973] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 233.855569][ T6976] loop1: detected capacity change from 0 to 32768 [ 233.905325][ T6976] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 233.906517][ T6976] CPU: 0 PID: 6976 Comm: syz.1.674 Not tainted syzkaller #0 [ 233.907607][ T6976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.909178][ T6976] Call trace: [ 233.909768][ T6976] dump_backtrace+0x0/0x43c [ 233.910456][ T6976] show_stack+0x2c/0x3c [ 233.911050][ T6976] __dump_stack+0x30/0x40 [ 233.911681][ T6976] dump_stack_lvl+0xf8/0x160 [ 233.912403][ T6976] dump_stack+0x1c/0x5c [ 233.913035][ T6976] sysfs_create_dir_ns+0x22c/0x24c [ 233.913785][ T6976] kobject_add_internal+0x590/0xc54 [ 233.914520][ T6976] kobject_init_and_add+0x118/0x17c [ 233.915383][ T6976] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.916141][ T6976] gfs2_fill_super+0xdac/0x19e0 [ 233.916927][ T6976] get_tree_bdev+0x358/0x544 [ 233.917611][ T6976] gfs2_get_tree+0x54/0x1b4 [ 233.918279][ T6976] vfs_get_tree+0x90/0x274 [ 233.918955][ T6976] do_new_mount+0x228/0x810 [ 233.919618][ T6976] path_mount+0x5b4/0x1000 [ 233.920232][ T6976] __arm64_sys_mount+0x514/0x5e4 [ 233.920926][ T6976] invoke_syscall+0x98/0x2b8 [ 233.921606][ T6976] el0_svc_common+0x138/0x258 [ 233.922230][ T6976] do_el0_svc+0x58/0x14c [ 233.922797][ T6976] el0_svc+0x78/0x1e0 [ 233.923323][ T6976] el0t_64_sync_handler+0xcc/0xe4 [ 233.924057][ T6976] el0t_64_sync+0x1a0/0x1a4 [ 233.926189][ T6976] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.928045][ T6976] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:54 executed programs: 661 [ 234.097557][ T27] INFO: task syz-executor:4719 blocked for more than 143 seconds. [ 234.098880][ T27] Not tainted syzkaller #0 [ 234.099503][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.100722][ T27] task:syz-executor state:D stack: 0 pid: 4719 ppid: 1 flags:0x00000001 [ 234.102017][ T27] Call trace: [ 234.102457][ T27] __switch_to+0x2f4/0x558 [ 234.103089][ T27] __schedule+0xe08/0x1bf8 [ 234.103774][ T27] schedule+0x11c/0x1c8 [ 234.104402][ T27] bit_wait+0x1c/0xac [ 234.108065][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 234.109050][ T27] gfs2_glock_nq+0x8f8/0x141c [ 234.109714][ T27] __gfs2_lookup+0x110/0x268 [ 234.110308][ T27] gfs2_lookup+0x2c/0x3c [ 234.110932][ T27] __lookup_slow+0x24c/0x380 [ 234.111715][ T27] lookup_slow+0x5c/0x80 [ 234.112367][ T27] walk_component+0x2b0/0x3a8 [ 234.113055][ T27] path_lookupat+0x13c/0x3d0 [ 234.113676][ T27] filename_lookup+0x180/0x414 [ 234.114383][ T27] user_path_at_empty+0x5c/0x1a0 [ 234.115692][ T27] __arm64_sys_umount+0xf4/0x178 [ 234.116471][ T27] invoke_syscall+0x98/0x2b8 [ 234.117150][ T27] el0_svc_common+0x138/0x258 [ 234.117896][ T27] do_el0_svc+0x58/0x14c [ 234.118640][ T27] el0_svc+0x78/0x1e0 [ 234.119228][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 234.119954][ T27] el0t_64_sync+0x1a0/0x1a4 [ 234.120603][ T27] [ 234.120603][ T27] Showing all locks held in the system: [ 234.121699][ T27] 1 lock held by khungtaskd/27: [ 234.122369][ T27] #0: ffff800014361520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 234.123842][ T27] 2 locks held by getty/3807: [ 234.124485][ T27] #0: ffff0000d36ab098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 234.127136][ T27] #1: ffff80001bd6e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 234.128621][ T27] 1 lock held by syz-executor/4719: [ 234.129493][ T27] #0: ffff0000dd3f8818 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 234.130916][ T27] 2 locks held by syz.1.675/6979: [ 234.131644][ T27] [ 234.131976][ T27] ============================================= [ 234.131976][ T27] [ 234.133177][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 234.134122][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 234.135007][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 234.136441][ T27] Call trace: [ 234.136894][ T27] dump_backtrace+0x0/0x43c [ 234.137596][ T27] show_stack+0x2c/0x3c [ 234.138222][ T27] __dump_stack+0x30/0x40 [ 234.138861][ T27] dump_stack_lvl+0xf8/0x160 [ 234.139504][ T27] dump_stack+0x1c/0x5c [ 234.140115][ T27] panic+0x2e4/0x854 [ 234.140719][ T27] hung_task_panic+0x0/0x2c [ 234.141446][ T27] kthread+0x374/0x454 [ 234.142113][ T27] ret_from_fork+0x10/0x20 [ 234.142759][ T27] SMP: stopping secondary CPUs [ 234.143441][ T27] Kernel Offset: disabled [ 234.144071][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 234.144822][ T27] Memory Limit: none [ 234.487151][ T27] Rebooting in 86400 seconds..