with -EEXIST, don't try to register things with the same name in the same directory. [ 209.849137][ T6583] gfs2: fsid=}: error -17 adding sysfs files [ 210.044768][ T6586] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.046397][ T6586] CPU: 0 PID: 6586 Comm: syz.1.558 Not tainted syzkaller #0 [ 210.047587][ T6586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 210.049162][ T6586] Call trace: [ 210.049679][ T6586] dump_backtrace+0x0/0x458 [ 210.050494][ T6586] show_stack+0x2c/0x3c [ 210.051154][ T6586] __dump_stack+0x30/0x40 [ 210.051798][ T6586] dump_stack_lvl+0xf4/0x15c [ 210.052533][ T6586] dump_stack+0x1c/0x5c [ 210.053199][ T6586] sysfs_create_dir_ns+0x244/0x264 [ 210.054055][ T6586] kobject_add_internal+0x5ac/0xc3c [ 210.054857][ T6586] kobject_init_and_add+0x124/0x190 [ 210.055679][ T6586] gfs2_sys_fs_add+0x200/0x41c [ 210.056523][ T6586] gfs2_fill_super+0xddc/0x1a18 [ 210.057322][ T6586] get_tree_bdev+0x358/0x544 [ 210.058037][ T6586] gfs2_get_tree+0x54/0x1b4 [ 210.058851][ T6586] vfs_get_tree+0x90/0x274 [ 210.059525][ T6586] do_new_mount+0x228/0x810 [ 210.060213][ T6586] path_mount+0x5bc/0x1008 [ 210.060849][ T6586] __arm64_sys_mount+0x514/0x5f0 [ 210.061540][ T6586] invoke_syscall+0x98/0x2b0 [ 210.062259][ T6586] el0_svc_common+0x138/0x258 [ 210.063041][ T6586] do_el0_svc+0x58/0x13c [ 210.063642][ T6586] el0_svc+0x78/0x1d0 [ 210.064339][ T6586] el0t_64_sync_handler+0xcc/0xe4 [ 210.065151][ T6586] el0t_64_sync+0x1a0/0x1a4 [ 210.067242][ T6586] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.069086][ T6586] gfs2: fsid=}: error -17 adding sysfs files [ 210.289749][ T6589] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.290984][ T6589] CPU: 0 PID: 6589 Comm: syz.1.559 Not tainted syzkaller #0 [ 210.292112][ T6589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 210.293700][ T6589] Call trace: [ 210.294268][ T6589] dump_backtrace+0x0/0x458 [ 210.295006][ T6589] show_stack+0x2c/0x3c [ 210.295650][ T6589] __dump_stack+0x30/0x40 [ 210.296355][ T6589] dump_stack_lvl+0xf4/0x15c [ 210.297068][ T6589] dump_stack+0x1c/0x5c [ 210.297738][ T6589] sysfs_create_dir_ns+0x244/0x264 [ 210.298637][ T6589] kobject_add_internal+0x5ac/0xc3c [ 210.299484][ T6589] kobject_init_and_add+0x124/0x190 [ 210.300368][ T6589] gfs2_sys_fs_add+0x200/0x41c [ 210.301179][ T6589] gfs2_fill_super+0xddc/0x1a18 [ 210.302007][ T6589] get_tree_bdev+0x358/0x544 [ 210.302738][ T6589] gfs2_get_tree+0x54/0x1b4 [ 210.303511][ T6589] vfs_get_tree+0x90/0x274 [ 210.304198][ T6589] do_new_mount+0x228/0x810 [ 210.304879][ T6589] path_mount+0x5bc/0x1008 [ 210.305692][ T6589] __arm64_sys_mount+0x514/0x5f0 [ 210.306501][ T6589] invoke_syscall+0x98/0x2b0 [ 210.307245][ T6589] el0_svc_common+0x138/0x258 [ 210.307950][ T6589] do_el0_svc+0x58/0x13c [ 210.308661][ T6589] el0_svc+0x78/0x1d0 [ 210.309303][ T6589] el0t_64_sync_handler+0xcc/0xe4 [ 210.310068][ T6589] el0t_64_sync+0x1a0/0x1a4 [ 210.311054][ T6589] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.312878][ T6589] gfs2: fsid=}: error -17 adding sysfs files [ 210.499238][ T6592] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.500474][ T6592] CPU: 1 PID: 6592 Comm: syz.1.560 Not tainted syzkaller #0 [ 210.501595][ T6592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 210.503103][ T6592] Call trace: [ 210.503633][ T6592] dump_backtrace+0x0/0x458 [ 210.504437][ T6592] show_stack+0x2c/0x3c [ 210.505075][ T6592] __dump_stack+0x30/0x40 [ 210.505757][ T6592] dump_stack_lvl+0xf4/0x15c [ 210.506551][ T6592] dump_stack+0x1c/0x5c [ 210.507202][ T6592] sysfs_create_dir_ns+0x244/0x264 [ 210.508042][ T6592] kobject_add_internal+0x5ac/0xc3c [ 210.509108][ T6592] kobject_init_and_add+0x124/0x190 [ 210.509896][ T6592] gfs2_sys_fs_add+0x200/0x41c [ 210.510576][ T6592] gfs2_fill_super+0xddc/0x1a18 [ 210.511312][ T6592] get_tree_bdev+0x358/0x544 [ 210.512058][ T6592] gfs2_get_tree+0x54/0x1b4 [ 210.512778][ T6592] vfs_get_tree+0x90/0x274 [ 210.513548][ T6592] do_new_mount+0x228/0x810 [ 210.514276][ T6592] path_mount+0x5bc/0x1008 [ 210.515047][ T6592] __arm64_sys_mount+0x514/0x5f0 [ 210.515832][ T6592] invoke_syscall+0x98/0x2b0 [ 210.516508][ T6592] el0_svc_common+0x138/0x258 [ 210.517297][ T6592] do_el0_svc+0x58/0x13c [ 210.518033][ T6592] el0_svc+0x78/0x1d0 [ 210.518618][ T6592] el0t_64_sync_handler+0xcc/0xe4 [ 210.519333][ T6592] el0t_64_sync+0x1a0/0x1a4 [ 210.521794][ T6592] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.523962][ T6592] gfs2: fsid=}: error -17 adding sysfs files [ 210.738813][ T6595] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.740057][ T6595] CPU: 1 PID: 6595 Comm: syz.1.561 Not tainted syzkaller #0 [ 210.741193][ T6595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 210.742702][ T6595] Call trace: [ 210.743261][ T6595] dump_backtrace+0x0/0x458 [ 210.744070][ T6595] show_stack+0x2c/0x3c [ 210.744788][ T6595] __dump_stack+0x30/0x40 [ 210.745476][ T6595] dump_stack_lvl+0xf4/0x15c [ 210.746194][ T6595] dump_stack+0x1c/0x5c [ 210.746850][ T6595] sysfs_create_dir_ns+0x244/0x264 [ 210.747681][ T6595] kobject_add_internal+0x5ac/0xc3c [ 210.748520][ T6595] kobject_init_and_add+0x124/0x190 [ 210.749371][ T6595] gfs2_sys_fs_add+0x200/0x41c [ 210.750179][ T6595] gfs2_fill_super+0xddc/0x1a18 [ 210.750952][ T6595] get_tree_bdev+0x358/0x544 [ 210.751670][ T6595] gfs2_get_tree+0x54/0x1b4 [ 210.752448][ T6595] vfs_get_tree+0x90/0x274 [ 210.753116][ T6595] do_new_mount+0x228/0x810 [ 210.753820][ T6595] path_mount+0x5bc/0x1008 [ 210.754483][ T6595] __arm64_sys_mount+0x514/0x5f0 [ 210.755233][ T6595] invoke_syscall+0x98/0x2b0 [ 210.755968][ T6595] el0_svc_common+0x138/0x258 [ 210.756735][ T6595] do_el0_svc+0x58/0x13c [ 210.757362][ T6595] el0_svc+0x78/0x1d0 [ 210.757985][ T6595] el0t_64_sync_handler+0xcc/0xe4 [ 210.758790][ T6595] el0t_64_sync+0x1a0/0x1a4 [ 210.761071][ T6595] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.763263][ T6595] gfs2: fsid=}: error -17 adding sysfs files [ 210.907970][ T6598] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.909141][ T6598] CPU: 0 PID: 6598 Comm: syz.1.562 Not tainted syzkaller #0 [ 210.910333][ T6598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 210.912131][ T6598] Call trace: [ 210.912641][ T6598] dump_backtrace+0x0/0x458 [ 210.913406][ T6598] show_stack+0x2c/0x3c [ 210.914210][ T6598] __dump_stack+0x30/0x40 [ 210.914993][ T6598] dump_stack_lvl+0xf4/0x15c [ 210.915737][ T6598] dump_stack+0x1c/0x5c [ 210.916454][ T6598] sysfs_create_dir_ns+0x244/0x264 [ 210.917361][ T6598] kobject_add_internal+0x5ac/0xc3c [ 210.918255][ T6598] kobject_init_and_add+0x124/0x190 [ 210.919135][ T6598] gfs2_sys_fs_add+0x200/0x41c [ 210.919867][ T6598] gfs2_fill_super+0xddc/0x1a18 [ 210.920568][ T6598] get_tree_bdev+0x358/0x544 [ 210.921328][ T6598] gfs2_get_tree+0x54/0x1b4 [ 210.921885][ T6598] vfs_get_tree+0x90/0x274 [ 210.922446][ T6598] do_new_mount+0x228/0x810 [ 210.923114][ T6598] path_mount+0x5bc/0x1008 [ 210.923802][ T6598] __arm64_sys_mount+0x514/0x5f0 [ 210.924542][ T6598] invoke_syscall+0x98/0x2b0 [ 210.925288][ T6598] el0_svc_common+0x138/0x258 [ 210.926038][ T6598] do_el0_svc+0x58/0x13c [ 210.926787][ T6598] el0_svc+0x78/0x1d0 [ 210.927476][ T6598] el0t_64_sync_handler+0xcc/0xe4 [ 210.928260][ T6598] el0t_64_sync+0x1a0/0x1a4 [ 210.929017][ T6598] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.930595][ T6598] gfs2: fsid=}: error -17 adding sysfs files [ 211.079719][ T6601] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.080887][ T6601] CPU: 0 PID: 6601 Comm: syz.1.563 Not tainted syzkaller #0 [ 211.081992][ T6601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 211.083588][ T6601] Call trace: [ 211.084130][ T6601] dump_backtrace+0x0/0x458 [ 211.084872][ T6601] show_stack+0x2c/0x3c [ 211.085511][ T6601] __dump_stack+0x30/0x40 [ 211.086214][ T6601] dump_stack_lvl+0xf4/0x15c [ 211.086893][ T6601] dump_stack+0x1c/0x5c [ 211.087575][ T6601] sysfs_create_dir_ns+0x244/0x264 [ 211.088433][ T6601] kobject_add_internal+0x5ac/0xc3c [ 211.089287][ T6601] kobject_init_and_add+0x124/0x190 [ 211.090197][ T6601] gfs2_sys_fs_add+0x200/0x41c [ 211.090996][ T6601] gfs2_fill_super+0xddc/0x1a18 [ 211.091809][ T6601] get_tree_bdev+0x358/0x544 [ 211.092539][ T6601] gfs2_get_tree+0x54/0x1b4 [ 211.093358][ T6601] vfs_get_tree+0x90/0x274 [ 211.094089][ T6601] do_new_mount+0x228/0x810 [ 211.094807][ T6601] path_mount+0x5bc/0x1008 [ 211.095553][ T6601] __arm64_sys_mount+0x514/0x5f0 [ 211.096403][ T6601] invoke_syscall+0x98/0x2b0 [ 211.097243][ T6601] el0_svc_common+0x138/0x258 [ 211.097972][ T6601] do_el0_svc+0x58/0x13c [ 211.098808][ T6601] el0_svc+0x78/0x1d0 [ 211.099436][ T6601] el0t_64_sync_handler+0xcc/0xe4 [ 211.100325][ T6601] el0t_64_sync+0x1a0/0x1a4 [ 211.102682][ T6601] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.104643][ T6601] gfs2: fsid=}: error -17 adding sysfs files [ 211.256978][ T6604] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.259728][ T6604] CPU: 1 PID: 6604 Comm: syz.1.564 Not tainted syzkaller #0 [ 211.260834][ T6604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 211.262460][ T6604] Call trace: [ 211.262973][ T6604] dump_backtrace+0x0/0x458 [ 211.263778][ T6604] show_stack+0x2c/0x3c [ 211.264474][ T6604] __dump_stack+0x30/0x40 [ 211.265172][ T6604] dump_stack_lvl+0xf4/0x15c [ 211.265964][ T6604] dump_stack+0x1c/0x5c [ 211.266630][ T6604] sysfs_create_dir_ns+0x244/0x264 [ 211.267446][ T6604] kobject_add_internal+0x5ac/0xc3c [ 211.268223][ T6604] kobject_init_and_add+0x124/0x190 [ 211.268972][ T6604] gfs2_sys_fs_add+0x200/0x41c [ 211.269745][ T6604] gfs2_fill_super+0xddc/0x1a18 [ 211.270515][ T6604] get_tree_bdev+0x358/0x544 [ 211.271201][ T6604] gfs2_get_tree+0x54/0x1b4 [ 211.271889][ T6604] vfs_get_tree+0x90/0x274 [ 211.272499][ T6604] do_new_mount+0x228/0x810 [ 211.273226][ T6604] path_mount+0x5bc/0x1008 [ 211.273880][ T6604] __arm64_sys_mount+0x514/0x5f0 [ 211.274641][ T6604] invoke_syscall+0x98/0x2b0 [ 211.275356][ T6604] el0_svc_common+0x138/0x258 [ 211.276008][ T6604] do_el0_svc+0x58/0x13c [ 211.276598][ T6604] el0_svc+0x78/0x1d0 [ 211.277186][ T6604] el0t_64_sync_handler+0xcc/0xe4 [ 211.277959][ T6604] el0t_64_sync+0x1a0/0x1a4 [ 211.281191][ T6604] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.283090][ T6604] gfs2: fsid=}: error -17 adding sysfs files [ 211.429099][ T6607] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.430315][ T6607] CPU: 0 PID: 6607 Comm: syz.1.565 Not tainted syzkaller #0 [ 211.431577][ T6607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 211.433177][ T6607] Call trace: [ 211.433687][ T6607] dump_backtrace+0x0/0x458 [ 211.434386][ T6607] show_stack+0x2c/0x3c [ 211.435069][ T6607] __dump_stack+0x30/0x40 [ 211.435717][ T6607] dump_stack_lvl+0xf4/0x15c [ 211.436441][ T6607] dump_stack+0x1c/0x5c [ 211.437067][ T6607] sysfs_create_dir_ns+0x244/0x264 [ 211.437936][ T6607] kobject_add_internal+0x5ac/0xc3c [ 211.438692][ T6607] kobject_init_and_add+0x124/0x190 [ 211.439532][ T6607] gfs2_sys_fs_add+0x200/0x41c [ 211.440326][ T6607] gfs2_fill_super+0xddc/0x1a18 [ 211.441079][ T6607] get_tree_bdev+0x358/0x544 [ 211.441761][ T6607] gfs2_get_tree+0x54/0x1b4 [ 211.442417][ T6607] vfs_get_tree+0x90/0x274 [ 211.443240][ T6607] do_new_mount+0x228/0x810 [ 211.444054][ T6607] path_mount+0x5bc/0x1008 [ 211.444822][ T6607] __arm64_sys_mount+0x514/0x5f0 [ 211.445658][ T6607] invoke_syscall+0x98/0x2b0 [ 211.446436][ T6607] el0_svc_common+0x138/0x258 [ 211.447169][ T6607] do_el0_svc+0x58/0x13c [ 211.447892][ T6607] el0_svc+0x78/0x1d0 [ 211.448526][ T6607] el0t_64_sync_handler+0xcc/0xe4 [ 211.449342][ T6607] el0t_64_sync+0x1a0/0x1a4 [ 211.451467][ T6607] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.453498][ T6607] gfs2: fsid=}: error -17 adding sysfs files [ 211.649802][ T6610] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.650961][ T6610] CPU: 1 PID: 6610 Comm: syz.1.566 Not tainted syzkaller #0 [ 211.652077][ T6610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 211.653539][ T6610] Call trace: [ 211.654036][ T6610] dump_backtrace+0x0/0x458 [ 211.654801][ T6610] show_stack+0x2c/0x3c [ 211.655485][ T6610] __dump_stack+0x30/0x40 [ 211.656193][ T6610] dump_stack_lvl+0xf4/0x15c [ 211.656881][ T6610] dump_stack+0x1c/0x5c [ 211.657548][ T6610] sysfs_create_dir_ns+0x244/0x264 [ 211.658343][ T6610] kobject_add_internal+0x5ac/0xc3c [ 211.659185][ T6610] kobject_init_and_add+0x124/0x190 [ 211.660032][ T6610] gfs2_sys_fs_add+0x200/0x41c [ 211.660810][ T6610] gfs2_fill_super+0xddc/0x1a18 [ 211.661563][ T6610] get_tree_bdev+0x358/0x544 [ 211.662327][ T6610] gfs2_get_tree+0x54/0x1b4 [ 211.663031][ T6610] vfs_get_tree+0x90/0x274 [ 211.663732][ T6610] do_new_mount+0x228/0x810 [ 211.664472][ T6610] path_mount+0x5bc/0x1008 [ 211.665203][ T6610] __arm64_sys_mount+0x514/0x5f0 [ 211.666002][ T6610] invoke_syscall+0x98/0x2b0 [ 211.666704][ T6610] el0_svc_common+0x138/0x258 [ 211.667444][ T6610] do_el0_svc+0x58/0x13c [ 211.668240][ T6610] el0_svc+0x78/0x1d0 [ 211.668864][ T6610] el0t_64_sync_handler+0xcc/0xe4 [ 211.669687][ T6610] el0t_64_sync+0x1a0/0x1a4 [ 211.671206][ T6610] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.673511][ T6610] gfs2: fsid=}: error -17 adding sysfs files [ 211.823942][ T6613] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.824980][ T6613] CPU: 0 PID: 6613 Comm: syz.1.567 Not tainted syzkaller #0 [ 211.826119][ T6613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 211.827682][ T6613] Call trace: [ 211.828231][ T6613] dump_backtrace+0x0/0x458 [ 211.828895][ T6613] show_stack+0x2c/0x3c [ 211.829550][ T6613] __dump_stack+0x30/0x40 [ 211.830273][ T6613] dump_stack_lvl+0xf4/0x15c [ 211.831004][ T6613] dump_stack+0x1c/0x5c [ 211.831717][ T6613] sysfs_create_dir_ns+0x244/0x264 [ 211.832653][ T6613] kobject_add_internal+0x5ac/0xc3c [ 211.833447][ T6613] kobject_init_and_add+0x124/0x190 [ 211.834179][ T6613] gfs2_sys_fs_add+0x200/0x41c [ 211.834973][ T6613] gfs2_fill_super+0xddc/0x1a18 [ 211.835718][ T6613] get_tree_bdev+0x358/0x544 [ 211.836466][ T6613] gfs2_get_tree+0x54/0x1b4 [ 211.837200][ T6613] vfs_get_tree+0x90/0x274 [ 211.837934][ T6613] do_new_mount+0x228/0x810 [ 211.838672][ T6613] path_mount+0x5bc/0x1008 [ 211.839379][ T6613] __arm64_sys_mount+0x514/0x5f0 [ 211.840210][ T6613] invoke_syscall+0x98/0x2b0 [ 211.840960][ T6613] el0_svc_common+0x138/0x258 [ 211.841701][ T6613] do_el0_svc+0x58/0x13c [ 211.842397][ T6613] el0_svc+0x78/0x1d0 [ 211.843039][ T6613] el0t_64_sync_handler+0xcc/0xe4 [ 211.843924][ T6613] el0t_64_sync+0x1a0/0x1a4 [ 211.846113][ T6613] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.848034][ T6613] gfs2: fsid=}: error -17 adding sysfs files [ 212.035115][ T6616] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.036306][ T6616] CPU: 1 PID: 6616 Comm: syz.1.568 Not tainted syzkaller #0 [ 212.037528][ T6616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 212.039035][ T6616] Call trace: [ 212.039583][ T6616] dump_backtrace+0x0/0x458 [ 212.040310][ T6616] show_stack+0x2c/0x3c [ 212.041056][ T6616] __dump_stack+0x30/0x40 [ 212.041680][ T6616] dump_stack_lvl+0xf4/0x15c [ 212.042330][ T6616] dump_stack+0x1c/0x5c [ 212.043169][ T6616] sysfs_create_dir_ns+0x244/0x264 [ 212.044025][ T6616] kobject_add_internal+0x5ac/0xc3c [ 212.044923][ T6616] kobject_init_and_add+0x124/0x190 [ 212.045764][ T6616] gfs2_sys_fs_add+0x200/0x41c [ 212.046635][ T6616] gfs2_fill_super+0xddc/0x1a18 [ 212.047444][ T6616] get_tree_bdev+0x358/0x544 [ 212.048246][ T6616] gfs2_get_tree+0x54/0x1b4 [ 212.048999][ T6616] vfs_get_tree+0x90/0x274 [ 212.049838][ T6616] do_new_mount+0x228/0x810 [ 212.050556][ T6616] path_mount+0x5bc/0x1008 [ 212.051236][ T6616] __arm64_sys_mount+0x514/0x5f0 [ 212.051975][ T6616] invoke_syscall+0x98/0x2b0 [ 212.052806][ T6616] el0_svc_common+0x138/0x258 [ 212.053595][ T6616] do_el0_svc+0x58/0x13c [ 212.054338][ T6616] el0_svc+0x78/0x1d0 [ 212.054952][ T6616] el0t_64_sync_handler+0xcc/0xe4 [ 212.055773][ T6616] el0t_64_sync+0x1a0/0x1a4 [ 212.058809][ T6616] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.060680][ T6616] gfs2: fsid=}: error -17 adding sysfs files [ 212.207935][ T6619] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.209133][ T6619] CPU: 1 PID: 6619 Comm: syz.1.569 Not tainted syzkaller #0 [ 212.210309][ T6619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 212.211818][ T6619] Call trace: [ 212.212318][ T6619] dump_backtrace+0x0/0x458 [ 212.213115][ T6619] show_stack+0x2c/0x3c [ 212.213791][ T6619] __dump_stack+0x30/0x40 [ 212.214498][ T6619] dump_stack_lvl+0xf4/0x15c [ 212.215248][ T6619] dump_stack+0x1c/0x5c [ 212.215913][ T6619] sysfs_create_dir_ns+0x244/0x264 [ 212.216746][ T6619] kobject_add_internal+0x5ac/0xc3c [ 212.217610][ T6619] kobject_init_and_add+0x124/0x190 [ 212.218430][ T6619] gfs2_sys_fs_add+0x200/0x41c [ 212.219160][ T6619] gfs2_fill_super+0xddc/0x1a18 [ 212.220043][ T6619] get_tree_bdev+0x358/0x544 [ 212.220863][ T6619] gfs2_get_tree+0x54/0x1b4 [ 212.221533][ T6619] vfs_get_tree+0x90/0x274 [ 212.222299][ T6619] do_new_mount+0x228/0x810 [ 212.222987][ T6619] path_mount+0x5bc/0x1008 [ 212.223685][ T6619] __arm64_sys_mount+0x514/0x5f0 [ 212.224488][ T6619] invoke_syscall+0x98/0x2b0 [ 212.225224][ T6619] el0_svc_common+0x138/0x258 [ 212.225985][ T6619] do_el0_svc+0x58/0x13c [ 212.226647][ T6619] el0_svc+0x78/0x1d0 [ 212.227308][ T6619] el0t_64_sync_handler+0xcc/0xe4 [ 212.228161][ T6619] el0t_64_sync+0x1a0/0x1a4 [ 212.230544][ T6619] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.232523][ T6619] gfs2: fsid=}: error -17 adding sysfs files [ 212.468326][ T6622] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.469494][ T6622] CPU: 0 PID: 6622 Comm: syz.1.570 Not tainted syzkaller #0 [ 212.470711][ T6622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 212.472311][ T6622] Call trace: [ 212.472835][ T6622] dump_backtrace+0x0/0x458 [ 212.473593][ T6622] show_stack+0x2c/0x3c [ 212.474206][ T6622] __dump_stack+0x30/0x40 [ 212.474982][ T6622] dump_stack_lvl+0xf4/0x15c [ 212.475779][ T6622] dump_stack+0x1c/0x5c [ 212.476464][ T6622] sysfs_create_dir_ns+0x244/0x264 [ 212.477324][ T6622] kobject_add_internal+0x5ac/0xc3c [ 212.478168][ T6622] kobject_init_and_add+0x124/0x190 [ 212.478984][ T6622] gfs2_sys_fs_add+0x200/0x41c [ 212.479689][ T6622] gfs2_fill_super+0xddc/0x1a18 [ 212.480470][ T6622] get_tree_bdev+0x358/0x544 [ 212.481207][ T6622] gfs2_get_tree+0x54/0x1b4 [ 212.481972][ T6622] vfs_get_tree+0x90/0x274 [ 212.482695][ T6622] do_new_mount+0x228/0x810 [ 212.483473][ T6622] path_mount+0x5bc/0x1008 [ 212.484196][ T6622] __arm64_sys_mount+0x514/0x5f0 [ 212.484915][ T6622] invoke_syscall+0x98/0x2b0 [ 212.485713][ T6622] el0_svc_common+0x138/0x258 [ 212.486449][ T6622] do_el0_svc+0x58/0x13c [ 212.487152][ T6622] el0_svc+0x78/0x1d0 [ 212.487782][ T6622] el0t_64_sync_handler+0xcc/0xe4 [ 212.488530][ T6622] el0t_64_sync+0x1a0/0x1a4 [ 212.489541][ T6622] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.491475][ T6622] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:32 executed programs: 557 [ 212.626458][ T6625] set_capacity_and_notify: 15 callbacks suppressed [ 212.626469][ T6625] loop1: detected capacity change from 0 to 32768 [ 212.709337][ T6625] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.710536][ T6625] CPU: 0 PID: 6625 Comm: syz.1.571 Not tainted syzkaller #0 [ 212.711704][ T6625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 212.713298][ T6625] Call trace: [ 212.713883][ T6625] dump_backtrace+0x0/0x458 [ 212.714640][ T6625] show_stack+0x2c/0x3c [ 212.715331][ T6625] __dump_stack+0x30/0x40 [ 212.716005][ T6625] dump_stack_lvl+0xf4/0x15c [ 212.716727][ T6625] dump_stack+0x1c/0x5c [ 212.717453][ T6625] sysfs_create_dir_ns+0x244/0x264 [ 212.718186][ T6625] kobject_add_internal+0x5ac/0xc3c [ 212.718991][ T6625] kobject_init_and_add+0x124/0x190 [ 212.719794][ T6625] gfs2_sys_fs_add+0x200/0x41c [ 212.720531][ T6625] gfs2_fill_super+0xddc/0x1a18 [ 212.721287][ T6625] get_tree_bdev+0x358/0x544 [ 212.722070][ T6625] gfs2_get_tree+0x54/0x1b4 [ 212.722812][ T6625] vfs_get_tree+0x90/0x274 [ 212.723577][ T6625] do_new_mount+0x228/0x810 [ 212.724333][ T6625] path_mount+0x5bc/0x1008 [ 212.725034][ T6625] __arm64_sys_mount+0x514/0x5f0 [ 212.725887][ T6625] invoke_syscall+0x98/0x2b0 [ 212.726635][ T6625] el0_svc_common+0x138/0x258 [ 212.727369][ T6625] do_el0_svc+0x58/0x13c [ 212.728054][ T6625] el0_svc+0x78/0x1d0 [ 212.728705][ T6625] el0t_64_sync_handler+0xcc/0xe4 [ 212.729508][ T6625] el0t_64_sync+0x1a0/0x1a4 [ 212.731764][ T6625] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.733758][ T6625] gfs2: fsid=}: error -17 adding sysfs files [ 212.873165][ T6628] loop1: detected capacity change from 0 to 32768 [ 212.878255][ T6628] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.879423][ T6628] CPU: 0 PID: 6628 Comm: syz.1.572 Not tainted syzkaller #0 [ 212.880597][ T6628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 212.882189][ T6628] Call trace: [ 212.882662][ T6628] dump_backtrace+0x0/0x458 [ 212.883398][ T6628] show_stack+0x2c/0x3c [ 212.884084][ T6628] __dump_stack+0x30/0x40 [ 212.884776][ T6628] dump_stack_lvl+0xf4/0x15c [ 212.885527][ T6628] dump_stack+0x1c/0x5c [ 212.886309][ T6628] sysfs_create_dir_ns+0x244/0x264 [ 212.887257][ T6628] kobject_add_internal+0x5ac/0xc3c [ 212.888036][ T6628] kobject_init_and_add+0x124/0x190 [ 212.888841][ T6628] gfs2_sys_fs_add+0x200/0x41c [ 212.889603][ T6628] gfs2_fill_super+0xddc/0x1a18 [ 212.890374][ T6628] get_tree_bdev+0x358/0x544 [ 212.891095][ T6628] gfs2_get_tree+0x54/0x1b4 [ 212.891906][ T6628] vfs_get_tree+0x90/0x274 [ 212.892597][ T6628] do_new_mount+0x228/0x810 [ 212.893401][ T6628] path_mount+0x5bc/0x1008 [ 212.894068][ T6628] __arm64_sys_mount+0x514/0x5f0 [ 212.894874][ T6628] invoke_syscall+0x98/0x2b0 [ 212.895594][ T6628] el0_svc_common+0x138/0x258 [ 212.896389][ T6628] do_el0_svc+0x58/0x13c [ 212.897095][ T6628] el0_svc+0x78/0x1d0 [ 212.897720][ T6628] el0t_64_sync_handler+0xcc/0xe4 [ 212.898542][ T6628] el0t_64_sync+0x1a0/0x1a4 [ 212.902949][ T6628] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.904823][ T6628] gfs2: fsid=}: error -17 adding sysfs files [ 213.041697][ T6631] loop1: detected capacity change from 0 to 32768 [ 213.074702][ T6631] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.075967][ T6631] CPU: 1 PID: 6631 Comm: syz.1.573 Not tainted syzkaller #0 [ 213.077129][ T6631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 213.078725][ T6631] Call trace: [ 213.079187][ T6631] dump_backtrace+0x0/0x458 [ 213.079757][ T6631] show_stack+0x2c/0x3c [ 213.080268][ T6631] __dump_stack+0x30/0x40 [ 213.080917][ T6631] dump_stack_lvl+0xf4/0x15c [ 213.081639][ T6631] dump_stack+0x1c/0x5c [ 213.082250][ T6631] sysfs_create_dir_ns+0x244/0x264 [ 213.082887][ T6631] kobject_add_internal+0x5ac/0xc3c [ 213.083648][ T6631] kobject_init_and_add+0x124/0x190 [ 213.084516][ T6631] gfs2_sys_fs_add+0x200/0x41c [ 213.085112][ T6631] gfs2_fill_super+0xddc/0x1a18 [ 213.085725][ T6631] get_tree_bdev+0x358/0x544 [ 213.086317][ T6631] gfs2_get_tree+0x54/0x1b4 [ 213.086897][ T6631] vfs_get_tree+0x90/0x274 [ 213.087560][ T6631] do_new_mount+0x228/0x810 [ 213.088194][ T6631] path_mount+0x5bc/0x1008 [ 213.088911][ T6631] __arm64_sys_mount+0x514/0x5f0 [ 213.089594][ T6631] invoke_syscall+0x98/0x2b0 [ 213.090384][ T6631] el0_svc_common+0x138/0x258 [ 213.091141][ T6631] do_el0_svc+0x58/0x13c [ 213.091716][ T6631] el0_svc+0x78/0x1d0 [ 213.092404][ T6631] el0t_64_sync_handler+0xcc/0xe4 [ 213.093358][ T6631] el0t_64_sync+0x1a0/0x1a4 [ 213.094506][ T6631] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.096334][ T6631] gfs2: fsid=}: error -17 adding sysfs files [ 213.295572][ T6634] loop1: detected capacity change from 0 to 32768 [ 213.362775][ T6634] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.364009][ T6634] CPU: 0 PID: 6634 Comm: syz.1.574 Not tainted syzkaller #0 [ 213.365173][ T6634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 213.366686][ T6634] Call trace: [ 213.367250][ T6634] dump_backtrace+0x0/0x458 [ 213.367993][ T6634] show_stack+0x2c/0x3c [ 213.368649][ T6634] __dump_stack+0x30/0x40 [ 213.369361][ T6634] dump_stack_lvl+0xf4/0x15c [ 213.370108][ T6634] dump_stack+0x1c/0x5c [ 213.370868][ T6634] sysfs_create_dir_ns+0x244/0x264 [ 213.371623][ T6634] kobject_add_internal+0x5ac/0xc3c [ 213.372403][ T6634] kobject_init_and_add+0x124/0x190 [ 213.373240][ T6634] gfs2_sys_fs_add+0x200/0x41c [ 213.374038][ T6634] gfs2_fill_super+0xddc/0x1a18 [ 213.374862][ T6634] get_tree_bdev+0x358/0x544 [ 213.375577][ T6634] gfs2_get_tree+0x54/0x1b4 [ 213.376290][ T6634] vfs_get_tree+0x90/0x274 [ 213.376980][ T6634] do_new_mount+0x228/0x810 [ 213.377674][ T6634] path_mount+0x5bc/0x1008 [ 213.378406][ T6634] __arm64_sys_mount+0x514/0x5f0 [ 213.379170][ T6634] invoke_syscall+0x98/0x2b0 [ 213.379860][ T6634] el0_svc_common+0x138/0x258 [ 213.380575][ T6634] do_el0_svc+0x58/0x13c [ 213.381271][ T6634] el0_svc+0x78/0x1d0 [ 213.381914][ T6634] el0t_64_sync_handler+0xcc/0xe4 [ 213.382660][ T6634] el0t_64_sync+0x1a0/0x1a4 [ 213.384883][ T6634] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.386804][ T6634] gfs2: fsid=}: error -17 adding sysfs files [ 213.533906][ T6637] loop1: detected capacity change from 0 to 32768 [ 213.590112][ T6637] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.591312][ T6637] CPU: 1 PID: 6637 Comm: syz.1.575 Not tainted syzkaller #0 [ 213.592548][ T6637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 213.594403][ T6637] Call trace: [ 213.595035][ T6637] dump_backtrace+0x0/0x458 [ 213.595808][ T6637] show_stack+0x2c/0x3c [ 213.596547][ T6637] __dump_stack+0x30/0x40 [ 213.597308][ T6637] dump_stack_lvl+0xf4/0x15c [ 213.598026][ T6637] dump_stack+0x1c/0x5c [ 213.598717][ T6637] sysfs_create_dir_ns+0x244/0x264 [ 213.599459][ T6637] kobject_add_internal+0x5ac/0xc3c [ 213.600271][ T6637] kobject_init_and_add+0x124/0x190 [ 213.601040][ T6637] gfs2_sys_fs_add+0x200/0x41c [ 213.601852][ T6637] gfs2_fill_super+0xddc/0x1a18 [ 213.602617][ T6637] get_tree_bdev+0x358/0x544 [ 213.603422][ T6637] gfs2_get_tree+0x54/0x1b4 [ 213.604160][ T6637] vfs_get_tree+0x90/0x274 [ 213.604801][ T6637] do_new_mount+0x228/0x810 [ 213.605489][ T6637] path_mount+0x5bc/0x1008 [ 213.606235][ T6637] __arm64_sys_mount+0x514/0x5f0 [ 213.607062][ T6637] invoke_syscall+0x98/0x2b0 [ 213.607851][ T6637] el0_svc_common+0x138/0x258 [ 213.608612][ T6637] do_el0_svc+0x58/0x13c [ 213.609313][ T6637] el0_svc+0x78/0x1d0 [ 213.609963][ T6637] el0t_64_sync_handler+0xcc/0xe4 [ 213.610815][ T6637] el0t_64_sync+0x1a0/0x1a4 [ 213.613992][ T6637] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.616090][ T6637] gfs2: fsid=}: error -17 adding sysfs files [ 213.815324][ T6640] loop1: detected capacity change from 0 to 32768 [ 213.872816][ T6640] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.874050][ T6640] CPU: 1 PID: 6640 Comm: syz.1.576 Not tainted syzkaller #0 [ 213.875143][ T6640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 213.876618][ T6640] Call trace: [ 213.877098][ T6640] dump_backtrace+0x0/0x458 [ 213.877773][ T6640] show_stack+0x2c/0x3c [ 213.878361][ T6640] __dump_stack+0x30/0x40 [ 213.879026][ T6640] dump_stack_lvl+0xf4/0x15c [ 213.879742][ T6640] dump_stack+0x1c/0x5c [ 213.880405][ T6640] sysfs_create_dir_ns+0x244/0x264 [ 213.881195][ T6640] kobject_add_internal+0x5ac/0xc3c [ 213.882025][ T6640] kobject_init_and_add+0x124/0x190 [ 213.882847][ T6640] gfs2_sys_fs_add+0x200/0x41c [ 213.883545][ T6640] gfs2_fill_super+0xddc/0x1a18 [ 213.884344][ T6640] get_tree_bdev+0x358/0x544 [ 213.885112][ T6640] gfs2_get_tree+0x54/0x1b4 [ 213.885813][ T6640] vfs_get_tree+0x90/0x274 [ 213.886488][ T6640] do_new_mount+0x228/0x810 [ 213.887255][ T6640] path_mount+0x5bc/0x1008 [ 213.887991][ T6640] __arm64_sys_mount+0x514/0x5f0 [ 213.888858][ T6640] invoke_syscall+0x98/0x2b0 [ 213.889630][ T6640] el0_svc_common+0x138/0x258 [ 213.890483][ T6640] do_el0_svc+0x58/0x13c [ 213.891206][ T6640] el0_svc+0x78/0x1d0 [ 213.891854][ T6640] el0t_64_sync_handler+0xcc/0xe4 [ 213.892677][ T6640] el0t_64_sync+0x1a0/0x1a4 [ 213.895037][ T6640] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.896887][ T6640] gfs2: fsid=}: error -17 adding sysfs files [ 214.041568][ T6643] loop1: detected capacity change from 0 to 32768 [ 214.086517][ T6643] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.087690][ T6643] CPU: 0 PID: 6643 Comm: syz.1.577 Not tainted syzkaller #0 [ 214.088897][ T6643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 214.090545][ T6643] Call trace: [ 214.091119][ T6643] dump_backtrace+0x0/0x458 [ 214.091895][ T6643] show_stack+0x2c/0x3c [ 214.092574][ T6643] __dump_stack+0x30/0x40 [ 214.093285][ T6643] dump_stack_lvl+0xf4/0x15c [ 214.094123][ T6643] dump_stack+0x1c/0x5c [ 214.094860][ T6643] sysfs_create_dir_ns+0x244/0x264 [ 214.095724][ T6643] kobject_add_internal+0x5ac/0xc3c [ 214.096586][ T6643] kobject_init_and_add+0x124/0x190 [ 214.097494][ T6643] gfs2_sys_fs_add+0x200/0x41c [ 214.098290][ T6643] gfs2_fill_super+0xddc/0x1a18 [ 214.099137][ T6643] get_tree_bdev+0x358/0x544 [ 214.099901][ T6643] gfs2_get_tree+0x54/0x1b4 [ 214.100622][ T6643] vfs_get_tree+0x90/0x274 [ 214.101300][ T6643] do_new_mount+0x228/0x810 [ 214.102028][ T6643] path_mount+0x5bc/0x1008 [ 214.102712][ T6643] __arm64_sys_mount+0x514/0x5f0 [ 214.103513][ T6643] invoke_syscall+0x98/0x2b0 [ 214.104211][ T6643] el0_svc_common+0x138/0x258 [ 214.105068][ T6643] do_el0_svc+0x58/0x13c [ 214.105836][ T6643] el0_svc+0x78/0x1d0 [ 214.106568][ T6643] el0t_64_sync_handler+0xcc/0xe4 [ 214.107391][ T6643] el0t_64_sync+0x1a0/0x1a4 [ 214.109762][ T6643] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.111686][ T6643] gfs2: fsid=}: error -17 adding sysfs files [ 214.244884][ T6646] loop1: detected capacity change from 0 to 32768 [ 214.338804][ T6646] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.339986][ T6646] CPU: 1 PID: 6646 Comm: syz.1.578 Not tainted syzkaller #0 [ 214.341090][ T6646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 214.342933][ T6646] Call trace: [ 214.343482][ T6646] dump_backtrace+0x0/0x458 [ 214.344224][ T6646] show_stack+0x2c/0x3c [ 214.344879][ T6646] __dump_stack+0x30/0x40 [ 214.345611][ T6646] dump_stack_lvl+0xf4/0x15c [ 214.346356][ T6646] dump_stack+0x1c/0x5c [ 214.347087][ T6646] sysfs_create_dir_ns+0x244/0x264 [ 214.347944][ T6646] kobject_add_internal+0x5ac/0xc3c [ 214.348805][ T6646] kobject_init_and_add+0x124/0x190 [ 214.349663][ T6646] gfs2_sys_fs_add+0x200/0x41c [ 214.350486][ T6646] gfs2_fill_super+0xddc/0x1a18 [ 214.351273][ T6646] get_tree_bdev+0x358/0x544 [ 214.352076][ T6646] gfs2_get_tree+0x54/0x1b4 [ 214.352829][ T6646] vfs_get_tree+0x90/0x274 [ 214.353523][ T6646] do_new_mount+0x228/0x810 [ 214.354233][ T6646] path_mount+0x5bc/0x1008 [ 214.354978][ T6646] __arm64_sys_mount+0x514/0x5f0 [ 214.355713][ T6646] invoke_syscall+0x98/0x2b0 [ 214.356492][ T6646] el0_svc_common+0x138/0x258 [ 214.357202][ T6646] do_el0_svc+0x58/0x13c [ 214.357887][ T6646] el0_svc+0x78/0x1d0 [ 214.358569][ T6646] el0t_64_sync_handler+0xcc/0xe4 [ 214.359359][ T6646] el0t_64_sync+0x1a0/0x1a4 [ 214.363543][ T6646] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.365480][ T6646] gfs2: fsid=}: error -17 adding sysfs files [ 214.503289][ T6649] loop1: detected capacity change from 0 to 32768 [ 214.511818][ T6649] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.512982][ T6649] CPU: 0 PID: 6649 Comm: syz.1.579 Not tainted syzkaller #0 [ 214.514152][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 214.515635][ T6649] Call trace: [ 214.516148][ T6649] dump_backtrace+0x0/0x458 [ 214.516847][ T6649] show_stack+0x2c/0x3c [ 214.517474][ T6649] __dump_stack+0x30/0x40 [ 214.518193][ T6649] dump_stack_lvl+0xf4/0x15c [ 214.518942][ T6649] dump_stack+0x1c/0x5c [ 214.519687][ T6649] sysfs_create_dir_ns+0x244/0x264 [ 214.520586][ T6649] kobject_add_internal+0x5ac/0xc3c [ 214.521377][ T6649] kobject_init_and_add+0x124/0x190 [ 214.522176][ T6649] gfs2_sys_fs_add+0x200/0x41c [ 214.522890][ T6649] gfs2_fill_super+0xddc/0x1a18 [ 214.523596][ T6649] get_tree_bdev+0x358/0x544 [ 214.524262][ T6649] gfs2_get_tree+0x54/0x1b4 [ 214.525050][ T6649] vfs_get_tree+0x90/0x274 [ 214.525744][ T6649] do_new_mount+0x228/0x810 [ 214.526465][ T6649] path_mount+0x5bc/0x1008 [ 214.527213][ T6649] __arm64_sys_mount+0x514/0x5f0 [ 214.528066][ T6649] invoke_syscall+0x98/0x2b0 [ 214.528746][ T6649] el0_svc_common+0x138/0x258 [ 214.529455][ T6649] do_el0_svc+0x58/0x13c [ 214.530260][ T6649] el0_svc+0x78/0x1d0 [ 214.530871][ T6649] el0t_64_sync_handler+0xcc/0xe4 [ 214.531737][ T6649] el0t_64_sync+0x1a0/0x1a4 [ 214.532796][ T6649] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.534768][ T6649] gfs2: fsid=}: error -17 adding sysfs files [ 214.771116][ T6652] loop1: detected capacity change from 0 to 32768 [ 214.845594][ T6652] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.846683][ T6652] CPU: 0 PID: 6652 Comm: syz.1.580 Not tainted syzkaller #0 [ 214.847817][ T6652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 214.849387][ T6652] Call trace: [ 214.849991][ T6652] dump_backtrace+0x0/0x458 [ 214.850672][ T6652] show_stack+0x2c/0x3c [ 214.851304][ T6652] __dump_stack+0x30/0x40 [ 214.851972][ T6652] dump_stack_lvl+0xf4/0x15c [ 214.852553][ T6652] dump_stack+0x1c/0x5c [ 214.853176][ T6652] sysfs_create_dir_ns+0x244/0x264 [ 214.853952][ T6652] kobject_add_internal+0x5ac/0xc3c [ 214.854777][ T6652] kobject_init_and_add+0x124/0x190 [ 214.855602][ T6652] gfs2_sys_fs_add+0x200/0x41c [ 214.856356][ T6652] gfs2_fill_super+0xddc/0x1a18 [ 214.857178][ T6652] get_tree_bdev+0x358/0x544 [ 214.857933][ T6652] gfs2_get_tree+0x54/0x1b4 [ 214.858664][ T6652] vfs_get_tree+0x90/0x274 [ 214.859426][ T6652] do_new_mount+0x228/0x810 [ 214.860245][ T6652] path_mount+0x5bc/0x1008 [ 214.860998][ T6652] __arm64_sys_mount+0x514/0x5f0 [ 214.861889][ T6652] invoke_syscall+0x98/0x2b0 [ 214.862614][ T6652] el0_svc_common+0x138/0x258 [ 214.863383][ T6652] do_el0_svc+0x58/0x13c [ 214.864045][ T6652] el0_svc+0x78/0x1d0 [ 214.864698][ T6652] el0t_64_sync_handler+0xcc/0xe4 [ 214.865477][ T6652] el0t_64_sync+0x1a0/0x1a4 [ 214.868095][ T6652] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.870024][ T6652] gfs2: fsid=}: error -17 adding sysfs files [ 215.055250][ T6655] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.056523][ T6655] CPU: 1 PID: 6655 Comm: syz.1.581 Not tainted syzkaller #0 [ 215.057704][ T6655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 215.059364][ T6655] Call trace: [ 215.059861][ T6655] dump_backtrace+0x0/0x458 [ 215.060559][ T6655] show_stack+0x2c/0x3c [ 215.061185][ T6655] __dump_stack+0x30/0x40 [ 215.061850][ T6655] dump_stack_lvl+0xf4/0x15c [ 215.062453][ T6655] dump_stack+0x1c/0x5c [ 215.063219][ T6655] sysfs_create_dir_ns+0x244/0x264 [ 215.064070][ T6655] kobject_add_internal+0x5ac/0xc3c [ 215.064928][ T6655] kobject_init_and_add+0x124/0x190 [ 215.065806][ T6655] gfs2_sys_fs_add+0x200/0x41c [ 215.066650][ T6655] gfs2_fill_super+0xddc/0x1a18 [ 215.067446][ T6655] get_tree_bdev+0x358/0x544 [ 215.068211][ T6655] gfs2_get_tree+0x54/0x1b4 [ 215.069013][ T6655] vfs_get_tree+0x90/0x274 [ 215.069792][ T6655] do_new_mount+0x228/0x810 [ 215.070456][ T6655] path_mount+0x5bc/0x1008 [ 215.071200][ T6655] __arm64_sys_mount+0x514/0x5f0 [ 215.071989][ T6655] invoke_syscall+0x98/0x2b0 [ 215.072639][ T6655] el0_svc_common+0x138/0x258 [ 215.073373][ T6655] do_el0_svc+0x58/0x13c [ 215.074085][ T6655] el0_svc+0x78/0x1d0 [ 215.074705][ T6655] el0t_64_sync_handler+0xcc/0xe4 [ 215.075565][ T6655] el0t_64_sync+0x1a0/0x1a4 [ 215.076929][ T6655] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.078806][ T6655] gfs2: fsid=}: error -17 adding sysfs files [ 215.330676][ T6658] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.331784][ T6658] CPU: 0 PID: 6658 Comm: syz.1.582 Not tainted syzkaller #0 [ 215.332922][ T6658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 215.334517][ T6658] Call trace: [ 215.335069][ T6658] dump_backtrace+0x0/0x458 [ 215.335724][ T6658] show_stack+0x2c/0x3c [ 215.336454][ T6658] __dump_stack+0x30/0x40 [ 215.337189][ T6658] dump_stack_lvl+0xf4/0x15c [ 215.337890][ T6658] dump_stack+0x1c/0x5c [ 215.338596][ T6658] sysfs_create_dir_ns+0x244/0x264 [ 215.339402][ T6658] kobject_add_internal+0x5ac/0xc3c [ 215.340213][ T6658] kobject_init_and_add+0x124/0x190 [ 215.341033][ T6658] gfs2_sys_fs_add+0x200/0x41c [ 215.341782][ T6658] gfs2_fill_super+0xddc/0x1a18 [ 215.342546][ T6658] get_tree_bdev+0x358/0x544 [ 215.343280][ T6658] gfs2_get_tree+0x54/0x1b4 [ 215.344047][ T6658] vfs_get_tree+0x90/0x274 [ 215.344754][ T6658] do_new_mount+0x228/0x810 [ 215.345502][ T6658] path_mount+0x5bc/0x1008 [ 215.346209][ T6658] __arm64_sys_mount+0x514/0x5f0 [ 215.347001][ T6658] invoke_syscall+0x98/0x2b0 [ 215.347746][ T6658] el0_svc_common+0x138/0x258 [ 215.348448][ T6658] do_el0_svc+0x58/0x13c [ 215.349096][ T6658] el0_svc+0x78/0x1d0 [ 215.349662][ T6658] el0t_64_sync_handler+0xcc/0xe4 [ 215.350325][ T6658] el0t_64_sync+0x1a0/0x1a4 [ 215.352751][ T6658] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.354938][ T6658] gfs2: fsid=}: error -17 adding sysfs files [ 215.550688][ T6661] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.551840][ T6661] CPU: 1 PID: 6661 Comm: syz.1.583 Not tainted syzkaller #0 [ 215.552940][ T6661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 215.554470][ T6661] Call trace: [ 215.554991][ T6661] dump_backtrace+0x0/0x458 [ 215.555732][ T6661] show_stack+0x2c/0x3c [ 215.556403][ T6661] __dump_stack+0x30/0x40 [ 215.557073][ T6661] dump_stack_lvl+0xf4/0x15c [ 215.557758][ T6661] dump_stack+0x1c/0x5c [ 215.558442][ T6661] sysfs_create_dir_ns+0x244/0x264 [ 215.559231][ T6661] kobject_add_internal+0x5ac/0xc3c [ 215.560023][ T6661] kobject_init_and_add+0x124/0x190 [ 215.560822][ T6661] gfs2_sys_fs_add+0x200/0x41c [ 215.561628][ T6661] gfs2_fill_super+0xddc/0x1a18 [ 215.562412][ T6661] get_tree_bdev+0x358/0x544 [ 215.563132][ T6661] gfs2_get_tree+0x54/0x1b4 [ 215.563862][ T6661] vfs_get_tree+0x90/0x274 [ 215.564510][ T6661] do_new_mount+0x228/0x810 [ 215.565249][ T6661] path_mount+0x5bc/0x1008 [ 215.565959][ T6661] __arm64_sys_mount+0x514/0x5f0 [ 215.566715][ T6661] invoke_syscall+0x98/0x2b0 [ 215.567409][ T6661] el0_svc_common+0x138/0x258 [ 215.568109][ T6661] do_el0_svc+0x58/0x13c [ 215.568717][ T6661] el0_svc+0x78/0x1d0 [ 215.569298][ T6661] el0t_64_sync_handler+0xcc/0xe4 [ 215.570004][ T6661] el0t_64_sync+0x1a0/0x1a4 [ 215.572152][ T6661] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.574411][ T6661] gfs2: fsid=}: error -17 adding sysfs files [ 215.719811][ T6664] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.720940][ T6664] CPU: 0 PID: 6664 Comm: syz.1.584 Not tainted syzkaller #0 [ 215.722233][ T6664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 215.723879][ T6664] Call trace: [ 215.724458][ T6664] dump_backtrace+0x0/0x458 [ 215.725182][ T6664] show_stack+0x2c/0x3c [ 215.725864][ T6664] __dump_stack+0x30/0x40 [ 215.726528][ T6664] dump_stack_lvl+0xf4/0x15c [ 215.727229][ T6664] dump_stack+0x1c/0x5c [ 215.727932][ T6664] sysfs_create_dir_ns+0x244/0x264 [ 215.728663][ T6664] kobject_add_internal+0x5ac/0xc3c [ 215.729511][ T6664] kobject_init_and_add+0x124/0x190 [ 215.730348][ T6664] gfs2_sys_fs_add+0x200/0x41c [ 215.731133][ T6664] gfs2_fill_super+0xddc/0x1a18 [ 215.731863][ T6664] get_tree_bdev+0x358/0x544 [ 215.732521][ T6664] gfs2_get_tree+0x54/0x1b4 [ 215.733124][ T6664] vfs_get_tree+0x90/0x274 [ 215.733841][ T6664] do_new_mount+0x228/0x810 [ 215.734550][ T6664] path_mount+0x5bc/0x1008 [ 215.735280][ T6664] __arm64_sys_mount+0x514/0x5f0 [ 215.736121][ T6664] invoke_syscall+0x98/0x2b0 [ 215.736856][ T6664] el0_svc_common+0x138/0x258 [ 215.737571][ T6664] do_el0_svc+0x58/0x13c [ 215.738203][ T6664] el0_svc+0x78/0x1d0 [ 215.738832][ T6664] el0t_64_sync_handler+0xcc/0xe4 [ 215.739656][ T6664] el0t_64_sync+0x1a0/0x1a4 [ 215.743546][ T6664] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.745579][ T6664] gfs2: fsid=}: error -17 adding sysfs files [ 215.919406][ T6667] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.920854][ T6667] CPU: 0 PID: 6667 Comm: syz.1.585 Not tainted syzkaller #0 [ 215.921986][ T6667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 215.923693][ T6667] Call trace: [ 215.924242][ T6667] dump_backtrace+0x0/0x458 [ 215.924939][ T6667] show_stack+0x2c/0x3c [ 215.925611][ T6667] __dump_stack+0x30/0x40 [ 215.926324][ T6667] dump_stack_lvl+0xf4/0x15c [ 215.927076][ T6667] dump_stack+0x1c/0x5c [ 215.927786][ T6667] sysfs_create_dir_ns+0x244/0x264 [ 215.928573][ T6667] kobject_add_internal+0x5ac/0xc3c [ 215.929502][ T6667] kobject_init_and_add+0x124/0x190 [ 215.930308][ T6667] gfs2_sys_fs_add+0x200/0x41c [ 215.931086][ T6667] gfs2_fill_super+0xddc/0x1a18 [ 215.931847][ T6667] get_tree_bdev+0x358/0x544 [ 215.932582][ T6667] gfs2_get_tree+0x54/0x1b4 [ 215.933342][ T6667] vfs_get_tree+0x90/0x274 [ 215.934043][ T6667] do_new_mount+0x228/0x810 [ 215.934783][ T6667] path_mount+0x5bc/0x1008 [ 215.935505][ T6667] __arm64_sys_mount+0x514/0x5f0 [ 215.936288][ T6667] invoke_syscall+0x98/0x2b0 [ 215.937004][ T6667] el0_svc_common+0x138/0x258 [ 215.937734][ T6667] do_el0_svc+0x58/0x13c [ 215.938387][ T6667] el0_svc+0x78/0x1d0 [ 215.939049][ T6667] el0t_64_sync_handler+0xcc/0xe4 [ 215.939804][ T6667] el0t_64_sync+0x1a0/0x1a4 [ 215.942112][ T6667] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.944223][ T6667] gfs2: fsid=}: error -17 adding sysfs files [ 216.176070][ T6670] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.177228][ T6670] CPU: 0 PID: 6670 Comm: syz.1.586 Not tainted syzkaller #0 [ 216.178325][ T6670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 216.179899][ T6670] Call trace: [ 216.180380][ T6670] dump_backtrace+0x0/0x458 [ 216.181089][ T6670] show_stack+0x2c/0x3c [ 216.181677][ T6670] __dump_stack+0x30/0x40 [ 216.182474][ T6670] dump_stack_lvl+0xf4/0x15c [ 216.183276][ T6670] dump_stack+0x1c/0x5c [ 216.184006][ T6670] sysfs_create_dir_ns+0x244/0x264 [ 216.184815][ T6670] kobject_add_internal+0x5ac/0xc3c [ 216.185683][ T6670] kobject_init_and_add+0x124/0x190 [ 216.186552][ T6670] gfs2_sys_fs_add+0x200/0x41c [ 216.187281][ T6670] gfs2_fill_super+0xddc/0x1a18 [ 216.188103][ T6670] get_tree_bdev+0x358/0x544 [ 216.188876][ T6670] gfs2_get_tree+0x54/0x1b4 [ 216.189621][ T6670] vfs_get_tree+0x90/0x274 [ 216.190263][ T6670] do_new_mount+0x228/0x810 [ 216.190964][ T6670] path_mount+0x5bc/0x1008 [ 216.191547][ T6670] __arm64_sys_mount+0x514/0x5f0 [ 216.192288][ T6670] invoke_syscall+0x98/0x2b0 [ 216.192990][ T6670] el0_svc_common+0x138/0x258 [ 216.193684][ T6670] do_el0_svc+0x58/0x13c [ 216.194460][ T6670] el0_svc+0x78/0x1d0 [ 216.195154][ T6670] el0t_64_sync_handler+0xcc/0xe4 [ 216.195893][ T6670] el0t_64_sync+0x1a0/0x1a4 [ 216.198891][ T6670] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.200997][ T6670] gfs2: fsid=}: error -17 adding sysfs files [ 216.347555][ T6673] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.348733][ T6673] CPU: 1 PID: 6673 Comm: syz.1.587 Not tainted syzkaller #0 [ 216.349956][ T6673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 216.351495][ T6673] Call trace: [ 216.352037][ T6673] dump_backtrace+0x0/0x458 [ 216.352871][ T6673] show_stack+0x2c/0x3c [ 216.353639][ T6673] __dump_stack+0x30/0x40 [ 216.354366][ T6673] dump_stack_lvl+0xf4/0x15c [ 216.355113][ T6673] dump_stack+0x1c/0x5c [ 216.355750][ T6673] sysfs_create_dir_ns+0x244/0x264 [ 216.356580][ T6673] kobject_add_internal+0x5ac/0xc3c [ 216.357418][ T6673] kobject_init_and_add+0x124/0x190 [ 216.358263][ T6673] gfs2_sys_fs_add+0x200/0x41c [ 216.359116][ T6673] gfs2_fill_super+0xddc/0x1a18 [ 216.359994][ T6673] get_tree_bdev+0x358/0x544 [ 216.360738][ T6673] gfs2_get_tree+0x54/0x1b4 [ 216.361458][ T6673] vfs_get_tree+0x90/0x274 [ 216.362134][ T6673] do_new_mount+0x228/0x810 [ 216.362862][ T6673] path_mount+0x5bc/0x1008 [ 216.363450][ T6673] __arm64_sys_mount+0x514/0x5f0 [ 216.364247][ T6673] invoke_syscall+0x98/0x2b0 [ 216.364964][ T6673] el0_svc_common+0x138/0x258 [ 216.365738][ T6673] do_el0_svc+0x58/0x13c [ 216.366426][ T6673] el0_svc+0x78/0x1d0 [ 216.367052][ T6673] el0t_64_sync_handler+0xcc/0xe4 [ 216.367886][ T6673] el0t_64_sync+0x1a0/0x1a4 [ 216.370885][ T6673] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.372741][ T6673] gfs2: fsid=}: error -17 adding sysfs files [ 216.568934][ T6676] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.570075][ T6676] CPU: 1 PID: 6676 Comm: syz.1.588 Not tainted syzkaller #0 [ 216.571194][ T6676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 216.572768][ T6676] Call trace: [ 216.573323][ T6676] dump_backtrace+0x0/0x458 [ 216.574033][ T6676] show_stack+0x2c/0x3c [ 216.574700][ T6676] __dump_stack+0x30/0x40 [ 216.575421][ T6676] dump_stack_lvl+0xf4/0x15c [ 216.576162][ T6676] dump_stack+0x1c/0x5c [ 216.576885][ T6676] sysfs_create_dir_ns+0x244/0x264 [ 216.577726][ T6676] kobject_add_internal+0x5ac/0xc3c [ 216.578530][ T6676] kobject_init_and_add+0x124/0x190 [ 216.579300][ T6676] gfs2_sys_fs_add+0x200/0x41c [ 216.580085][ T6676] gfs2_fill_super+0xddc/0x1a18 [ 216.580884][ T6676] get_tree_bdev+0x358/0x544 [ 216.581575][ T6676] gfs2_get_tree+0x54/0x1b4 [ 216.582333][ T6676] vfs_get_tree+0x90/0x274 [ 216.583170][ T6676] do_new_mount+0x228/0x810 [ 216.583941][ T6676] path_mount+0x5bc/0x1008 [ 216.584611][ T6676] __arm64_sys_mount+0x514/0x5f0 [ 216.585339][ T6676] invoke_syscall+0x98/0x2b0 [ 216.586054][ T6676] el0_svc_common+0x138/0x258 [ 216.586839][ T6676] do_el0_svc+0x58/0x13c [ 216.587517][ T6676] el0_svc+0x78/0x1d0 [ 216.588154][ T6676] el0t_64_sync_handler+0xcc/0xe4 [ 216.589028][ T6676] el0t_64_sync+0x1a0/0x1a4 [ 216.590659][ T6676] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.592581][ T6676] gfs2: fsid=}: error -17 adding sysfs files [ 216.895132][ T6679] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.896266][ T6679] CPU: 1 PID: 6679 Comm: syz.1.589 Not tainted syzkaller #0 [ 216.897405][ T6679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 216.899089][ T6679] Call trace: [ 216.899593][ T6679] dump_backtrace+0x0/0x458 [ 216.900306][ T6679] show_stack+0x2c/0x3c [ 216.900976][ T6679] __dump_stack+0x30/0x40 [ 216.901679][ T6679] dump_stack_lvl+0xf4/0x15c [ 216.902386][ T6679] dump_stack+0x1c/0x5c [ 216.903005][ T6679] sysfs_create_dir_ns+0x244/0x264 [ 216.903761][ T6679] kobject_add_internal+0x5ac/0xc3c [ 216.904612][ T6679] kobject_init_and_add+0x124/0x190 [ 216.905461][ T6679] gfs2_sys_fs_add+0x200/0x41c [ 216.906337][ T6679] gfs2_fill_super+0xddc/0x1a18 [ 216.907098][ T6679] get_tree_bdev+0x358/0x544 [ 216.907865][ T6679] gfs2_get_tree+0x54/0x1b4 [ 216.908617][ T6679] vfs_get_tree+0x90/0x274 [ 216.909351][ T6679] do_new_mount+0x228/0x810 [ 216.910141][ T6679] path_mount+0x5bc/0x1008 [ 216.910838][ T6679] __arm64_sys_mount+0x514/0x5f0 [ 216.911576][ T6679] invoke_syscall+0x98/0x2b0 [ 216.912235][ T6679] el0_svc_common+0x138/0x258 [ 216.912923][ T6679] do_el0_svc+0x58/0x13c [ 216.913575][ T6679] el0_svc+0x78/0x1d0 [ 216.914176][ T6679] el0t_64_sync_handler+0xcc/0xe4 [ 216.914918][ T6679] el0t_64_sync+0x1a0/0x1a4 [ 216.917024][ T6679] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.918915][ T6679] gfs2: fsid=}: error -17 adding sysfs files [ 217.063453][ T6682] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.064874][ T6682] CPU: 1 PID: 6682 Comm: syz.1.590 Not tainted syzkaller #0 [ 217.066112][ T6682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 217.067698][ T6682] Call trace: [ 217.068191][ T6682] dump_backtrace+0x0/0x458 [ 217.068928][ T6682] show_stack+0x2c/0x3c [ 217.069586][ T6682] __dump_stack+0x30/0x40 [ 217.070209][ T6682] dump_stack_lvl+0xf4/0x15c [ 217.070829][ T6682] dump_stack+0x1c/0x5c [ 217.071489][ T6682] sysfs_create_dir_ns+0x244/0x264 [ 217.072268][ T6682] kobject_add_internal+0x5ac/0xc3c [ 217.073116][ T6682] kobject_init_and_add+0x124/0x190 [ 217.074000][ T6682] gfs2_sys_fs_add+0x200/0x41c [ 217.074771][ T6682] gfs2_fill_super+0xddc/0x1a18 [ 217.075504][ T6682] get_tree_bdev+0x358/0x544 [ 217.076190][ T6682] gfs2_get_tree+0x54/0x1b4 [ 217.076832][ T6682] vfs_get_tree+0x90/0x274 [ 217.077448][ T6682] do_new_mount+0x228/0x810 [ 217.078079][ T6682] path_mount+0x5bc/0x1008 [ 217.078713][ T6682] __arm64_sys_mount+0x514/0x5f0 [ 217.079523][ T6682] invoke_syscall+0x98/0x2b0 [ 217.080276][ T6682] el0_svc_common+0x138/0x258 [ 217.081010][ T6682] do_el0_svc+0x58/0x13c [ 217.081641][ T6682] el0_svc+0x78/0x1d0 [ 217.082240][ T6682] el0t_64_sync_handler+0xcc/0xe4 [ 217.083057][ T6682] el0t_64_sync+0x1a0/0x1a4 [ 217.085648][ T6682] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.087420][ T6682] gfs2: fsid=}: error -17 adding sysfs files [ 217.240655][ T6685] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.241797][ T6685] CPU: 1 PID: 6685 Comm: syz.1.591 Not tainted syzkaller #0 [ 217.242972][ T6685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 217.244697][ T6685] Call trace: [ 217.245265][ T6685] dump_backtrace+0x0/0x458 [ 217.246053][ T6685] show_stack+0x2c/0x3c [ 217.246692][ T6685] __dump_stack+0x30/0x40 [ 217.247344][ T6685] dump_stack_lvl+0xf4/0x15c [ 217.248126][ T6685] dump_stack+0x1c/0x5c [ 217.248835][ T6685] sysfs_create_dir_ns+0x244/0x264 [ 217.249693][ T6685] kobject_add_internal+0x5ac/0xc3c [ 217.250520][ T6685] kobject_init_and_add+0x124/0x190 [ 217.251398][ T6685] gfs2_sys_fs_add+0x200/0x41c [ 217.252111][ T6685] gfs2_fill_super+0xddc/0x1a18 [ 217.252901][ T6685] get_tree_bdev+0x358/0x544 [ 217.253648][ T6685] gfs2_get_tree+0x54/0x1b4 [ 217.254341][ T6685] vfs_get_tree+0x90/0x274 [ 217.255071][ T6685] do_new_mount+0x228/0x810 [ 217.255710][ T6685] path_mount+0x5bc/0x1008 [ 217.256336][ T6685] __arm64_sys_mount+0x514/0x5f0 [ 217.257168][ T6685] invoke_syscall+0x98/0x2b0 [ 217.257888][ T6685] el0_svc_common+0x138/0x258 [ 217.258651][ T6685] do_el0_svc+0x58/0x13c [ 217.259322][ T6685] el0_svc+0x78/0x1d0 [ 217.259948][ T6685] el0t_64_sync_handler+0xcc/0xe4 [ 217.260742][ T6685] el0t_64_sync+0x1a0/0x1a4 [ 217.262275][ T6685] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.264137][ T6685] gfs2: fsid=}: error -17 adding sysfs files [ 217.410131][ T6688] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.411244][ T6688] CPU: 1 PID: 6688 Comm: syz.1.592 Not tainted syzkaller #0 [ 217.412341][ T6688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 217.413966][ T6688] Call trace: [ 217.414461][ T6688] dump_backtrace+0x0/0x458 [ 217.415151][ T6688] show_stack+0x2c/0x3c [ 217.415851][ T6688] __dump_stack+0x30/0x40 [ 217.416502][ T6688] dump_stack_lvl+0xf4/0x15c [ 217.417204][ T6688] dump_stack+0x1c/0x5c [ 217.417917][ T6688] sysfs_create_dir_ns+0x244/0x264 [ 217.418746][ T6688] kobject_add_internal+0x5ac/0xc3c [ 217.419560][ T6688] kobject_init_and_add+0x124/0x190 [ 217.420483][ T6688] gfs2_sys_fs_add+0x200/0x41c [ 217.421279][ T6688] gfs2_fill_super+0xddc/0x1a18 [ 217.422040][ T6688] get_tree_bdev+0x358/0x544 [ 217.422901][ T6688] gfs2_get_tree+0x54/0x1b4 [ 217.423635][ T6688] vfs_get_tree+0x90/0x274 [ 217.424362][ T6688] do_new_mount+0x228/0x810 [ 217.425112][ T6688] path_mount+0x5bc/0x1008 [ 217.425796][ T6688] __arm64_sys_mount+0x514/0x5f0 [ 217.426604][ T6688] invoke_syscall+0x98/0x2b0 [ 217.427421][ T6688] el0_svc_common+0x138/0x258 [ 217.428268][ T6688] do_el0_svc+0x58/0x13c [ 217.428947][ T6688] el0_svc+0x78/0x1d0 [ 217.429689][ T6688] el0t_64_sync_handler+0xcc/0xe4 [ 217.430602][ T6688] el0t_64_sync+0x1a0/0x1a4 [ 217.433489][ T6688] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.435534][ T6688] gfs2: fsid=}: error -17 adding sysfs files [ 217.669424][ T6691] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.670643][ T6691] CPU: 0 PID: 6691 Comm: syz.1.593 Not tainted syzkaller #0 [ 217.671775][ T6691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 217.673406][ T6691] Call trace: [ 217.673969][ T6691] dump_backtrace+0x0/0x458 [ 217.674756][ T6691] show_stack+0x2c/0x3c [ 217.675456][ T6691] __dump_stack+0x30/0x40 [ 217.676217][ T6691] dump_stack_lvl+0xf4/0x15c [ 217.676970][ T6691] dump_stack+0x1c/0x5c [ 217.677630][ T6691] sysfs_create_dir_ns+0x244/0x264 [ 217.678519][ T6691] kobject_add_internal+0x5ac/0xc3c [ 217.679393][ T6691] kobject_init_and_add+0x124/0x190 [ 217.680246][ T6691] gfs2_sys_fs_add+0x200/0x41c [ 217.681023][ T6691] gfs2_fill_super+0xddc/0x1a18 [ 217.681785][ T6691] get_tree_bdev+0x358/0x544 [ 217.682562][ T6691] gfs2_get_tree+0x54/0x1b4 [ 217.683334][ T6691] vfs_get_tree+0x90/0x274 [ 217.684111][ T6691] do_new_mount+0x228/0x810 [ 217.684918][ T6691] path_mount+0x5bc/0x1008 [ 217.685643][ T6691] __arm64_sys_mount+0x514/0x5f0 [ 217.686422][ T6691] invoke_syscall+0x98/0x2b0 [ 217.687135][ T6691] el0_svc_common+0x138/0x258 [ 217.687919][ T6691] do_el0_svc+0x58/0x13c [ 217.688619][ T6691] el0_svc+0x78/0x1d0 [ 217.689309][ T6691] el0t_64_sync_handler+0xcc/0xe4 [ 217.690089][ T6691] el0t_64_sync+0x1a0/0x1a4 [ 217.691250][ T6691] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.694464][ T6691] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:37 executed programs: 580 [ 217.829265][ T6694] set_capacity_and_notify: 13 callbacks suppressed [ 217.829275][ T6694] loop1: detected capacity change from 0 to 32768 [ 217.861253][ T6694] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.862526][ T6694] CPU: 0 PID: 6694 Comm: syz.1.594 Not tainted syzkaller #0 [ 217.863677][ T6694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 217.865364][ T6694] Call trace: [ 217.865920][ T6694] dump_backtrace+0x0/0x458 [ 217.866586][ T6694] show_stack+0x2c/0x3c [ 217.867290][ T6694] __dump_stack+0x30/0x40 [ 217.868019][ T6694] dump_stack_lvl+0xf4/0x15c [ 217.868776][ T6694] dump_stack+0x1c/0x5c [ 217.869479][ T6694] sysfs_create_dir_ns+0x244/0x264 [ 217.870277][ T6694] kobject_add_internal+0x5ac/0xc3c [ 217.871161][ T6694] kobject_init_and_add+0x124/0x190 [ 217.872040][ T6694] gfs2_sys_fs_add+0x200/0x41c [ 217.872785][ T6694] gfs2_fill_super+0xddc/0x1a18 [ 217.873591][ T6694] get_tree_bdev+0x358/0x544 [ 217.874319][ T6694] gfs2_get_tree+0x54/0x1b4 [ 217.875043][ T6694] vfs_get_tree+0x90/0x274 [ 217.875742][ T6694] do_new_mount+0x228/0x810 [ 217.876449][ T6694] path_mount+0x5bc/0x1008 [ 217.877130][ T6694] __arm64_sys_mount+0x514/0x5f0 [ 217.877895][ T6694] invoke_syscall+0x98/0x2b0 [ 217.878643][ T6694] el0_svc_common+0x138/0x258 [ 217.879325][ T6694] do_el0_svc+0x58/0x13c [ 217.880075][ T6694] el0_svc+0x78/0x1d0 [ 217.880799][ T6694] el0t_64_sync_handler+0xcc/0xe4 [ 217.881688][ T6694] el0t_64_sync+0x1a0/0x1a4 [ 217.884598][ T6694] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.886543][ T6694] gfs2: fsid=}: error -17 adding sysfs files [ 218.028665][ T6697] loop1: detected capacity change from 0 to 32768 [ 218.037395][ T6697] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.038692][ T6697] CPU: 1 PID: 6697 Comm: syz.1.595 Not tainted syzkaller #0 [ 218.039760][ T6697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 218.041213][ T6697] Call trace: [ 218.041668][ T6697] dump_backtrace+0x0/0x458 [ 218.042362][ T6697] show_stack+0x2c/0x3c [ 218.043021][ T6697] __dump_stack+0x30/0x40 [ 218.043732][ T6697] dump_stack_lvl+0xf4/0x15c [ 218.044470][ T6697] dump_stack+0x1c/0x5c [ 218.045124][ T6697] sysfs_create_dir_ns+0x244/0x264 [ 218.045975][ T6697] kobject_add_internal+0x5ac/0xc3c [ 218.046921][ T6697] kobject_init_and_add+0x124/0x190 [ 218.047856][ T6697] gfs2_sys_fs_add+0x200/0x41c [ 218.048620][ T6697] gfs2_fill_super+0xddc/0x1a18 [ 218.049418][ T6697] get_tree_bdev+0x358/0x544 [ 218.050181][ T6697] gfs2_get_tree+0x54/0x1b4 [ 218.050962][ T6697] vfs_get_tree+0x90/0x274 [ 218.051656][ T6697] do_new_mount+0x228/0x810 [ 218.052333][ T6697] path_mount+0x5bc/0x1008 [ 218.053035][ T6697] __arm64_sys_mount+0x514/0x5f0 [ 218.053926][ T6697] invoke_syscall+0x98/0x2b0 [ 218.054671][ T6697] el0_svc_common+0x138/0x258 [ 218.055439][ T6697] do_el0_svc+0x58/0x13c [ 218.056144][ T6697] el0_svc+0x78/0x1d0 [ 218.056755][ T6697] el0t_64_sync_handler+0xcc/0xe4 [ 218.057488][ T6697] el0t_64_sync+0x1a0/0x1a4 [ 218.058300][ T6697] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.060271][ T6697] gfs2: fsid=}: error -17 adding sysfs files [ 218.208921][ T6700] loop1: detected capacity change from 0 to 32768 [ 218.284325][ T6700] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.285414][ T6700] CPU: 0 PID: 6700 Comm: syz.1.596 Not tainted syzkaller #0 [ 218.286536][ T6700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 218.288214][ T6700] Call trace: [ 218.288729][ T6700] dump_backtrace+0x0/0x458 [ 218.289510][ T6700] show_stack+0x2c/0x3c [ 218.290094][ T6700] __dump_stack+0x30/0x40 [ 218.290811][ T6700] dump_stack_lvl+0xf4/0x15c [ 218.291577][ T6700] dump_stack+0x1c/0x5c [ 218.292278][ T6700] sysfs_create_dir_ns+0x244/0x264 [ 218.293201][ T6700] kobject_add_internal+0x5ac/0xc3c [ 218.293997][ T6700] kobject_init_and_add+0x124/0x190 [ 218.294869][ T6700] gfs2_sys_fs_add+0x200/0x41c [ 218.295646][ T6700] gfs2_fill_super+0xddc/0x1a18 [ 218.296432][ T6700] get_tree_bdev+0x358/0x544 [ 218.297237][ T6700] gfs2_get_tree+0x54/0x1b4 [ 218.297948][ T6700] vfs_get_tree+0x90/0x274 [ 218.298689][ T6700] do_new_mount+0x228/0x810 [ 218.299435][ T6700] path_mount+0x5bc/0x1008 [ 218.300079][ T6700] __arm64_sys_mount+0x514/0x5f0 [ 218.300942][ T6700] invoke_syscall+0x98/0x2b0 [ 218.301662][ T6700] el0_svc_common+0x138/0x258 [ 218.302383][ T6700] do_el0_svc+0x58/0x13c [ 218.303033][ T6700] el0_svc+0x78/0x1d0 [ 218.303650][ T6700] el0t_64_sync_handler+0xcc/0xe4 [ 218.304558][ T6700] el0t_64_sync+0x1a0/0x1a4 [ 218.306916][ T6700] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.308664][ T6700] gfs2: fsid=}: error -17 adding sysfs files [ 218.546197][ T6703] loop1: detected capacity change from 0 to 32768 [ 218.609090][ T6703] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.610305][ T6703] CPU: 1 PID: 6703 Comm: syz.1.597 Not tainted syzkaller #0 [ 218.611491][ T6703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 218.613080][ T6703] Call trace: [ 218.613624][ T6703] dump_backtrace+0x0/0x458 [ 218.614397][ T6703] show_stack+0x2c/0x3c [ 218.615160][ T6703] __dump_stack+0x30/0x40 [ 218.615849][ T6703] dump_stack_lvl+0xf4/0x15c [ 218.616620][ T6703] dump_stack+0x1c/0x5c [ 218.617337][ T6703] sysfs_create_dir_ns+0x244/0x264 [ 218.618257][ T6703] kobject_add_internal+0x5ac/0xc3c [ 218.619141][ T6703] kobject_init_and_add+0x124/0x190 [ 218.619995][ T6703] gfs2_sys_fs_add+0x200/0x41c [ 218.620752][ T6703] gfs2_fill_super+0xddc/0x1a18 [ 218.621546][ T6703] get_tree_bdev+0x358/0x544 [ 218.622398][ T6703] gfs2_get_tree+0x54/0x1b4 [ 218.623074][ T6703] vfs_get_tree+0x90/0x274 [ 218.623849][ T6703] do_new_mount+0x228/0x810 [ 218.624588][ T6703] path_mount+0x5bc/0x1008 [ 218.625274][ T6703] __arm64_sys_mount+0x514/0x5f0 [ 218.626114][ T6703] invoke_syscall+0x98/0x2b0 [ 218.626910][ T6703] el0_svc_common+0x138/0x258 [ 218.627696][ T6703] do_el0_svc+0x58/0x13c [ 218.628381][ T6703] el0_svc+0x78/0x1d0 [ 218.629009][ T6703] el0t_64_sync_handler+0xcc/0xe4 [ 218.629784][ T6703] el0t_64_sync+0x1a0/0x1a4 [ 218.632105][ T6703] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.634311][ T6703] gfs2: fsid=}: error -17 adding sysfs files [ 218.778138][ T6706] loop1: detected capacity change from 0 to 32768 [ 218.783267][ T6706] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.784512][ T6706] CPU: 1 PID: 6706 Comm: syz.1.598 Not tainted syzkaller #0 [ 218.785677][ T6706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 218.787271][ T6706] Call trace: [ 218.787770][ T6706] dump_backtrace+0x0/0x458 [ 218.788482][ T6706] show_stack+0x2c/0x3c [ 218.789154][ T6706] __dump_stack+0x30/0x40 [ 218.789807][ T6706] dump_stack_lvl+0xf4/0x15c [ 218.790725][ T6706] dump_stack+0x1c/0x5c [ 218.791432][ T6706] sysfs_create_dir_ns+0x244/0x264 [ 218.792265][ T6706] kobject_add_internal+0x5ac/0xc3c [ 218.793062][ T6706] kobject_init_and_add+0x124/0x190 [ 218.793825][ T6706] gfs2_sys_fs_add+0x200/0x41c [ 218.794594][ T6706] gfs2_fill_super+0xddc/0x1a18 [ 218.795439][ T6706] get_tree_bdev+0x358/0x544 [ 218.796194][ T6706] gfs2_get_tree+0x54/0x1b4 [ 218.796924][ T6706] vfs_get_tree+0x90/0x274 [ 218.797633][ T6706] do_new_mount+0x228/0x810 [ 218.798347][ T6706] path_mount+0x5bc/0x1008 [ 218.799085][ T6706] __arm64_sys_mount+0x514/0x5f0 [ 218.799871][ T6706] invoke_syscall+0x98/0x2b0 [ 218.800662][ T6706] el0_svc_common+0x138/0x258 [ 218.801434][ T6706] do_el0_svc+0x58/0x13c [ 218.802121][ T6706] el0_svc+0x78/0x1d0 [ 218.802792][ T6706] el0t_64_sync_handler+0xcc/0xe4 [ 218.803604][ T6706] el0t_64_sync+0x1a0/0x1a4 [ 218.806860][ T6706] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.808937][ T6706] gfs2: fsid=}: error -17 adding sysfs files [ 218.945408][ T6709] loop1: detected capacity change from 0 to 32768 [ 218.986656][ T6709] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.987797][ T6709] CPU: 0 PID: 6709 Comm: syz.1.599 Not tainted syzkaller #0 [ 218.989007][ T6709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 218.990655][ T6709] Call trace: [ 218.991161][ T6709] dump_backtrace+0x0/0x458 [ 218.991923][ T6709] show_stack+0x2c/0x3c [ 218.992594][ T6709] __dump_stack+0x30/0x40 [ 218.993248][ T6709] dump_stack_lvl+0xf4/0x15c [ 218.994060][ T6709] dump_stack+0x1c/0x5c [ 218.994720][ T6709] sysfs_create_dir_ns+0x244/0x264 [ 218.995501][ T6709] kobject_add_internal+0x5ac/0xc3c [ 218.996339][ T6709] kobject_init_and_add+0x124/0x190 [ 218.997213][ T6709] gfs2_sys_fs_add+0x200/0x41c [ 218.997992][ T6709] gfs2_fill_super+0xddc/0x1a18 [ 218.998741][ T6709] get_tree_bdev+0x358/0x544 [ 218.999389][ T6709] gfs2_get_tree+0x54/0x1b4 [ 219.000132][ T6709] vfs_get_tree+0x90/0x274 [ 219.000833][ T6709] do_new_mount+0x228/0x810 [ 219.001581][ T6709] path_mount+0x5bc/0x1008 [ 219.002447][ T6709] __arm64_sys_mount+0x514/0x5f0 [ 219.003254][ T6709] invoke_syscall+0x98/0x2b0 [ 219.004042][ T6709] el0_svc_common+0x138/0x258 [ 219.004816][ T6709] do_el0_svc+0x58/0x13c [ 219.005544][ T6709] el0_svc+0x78/0x1d0 [ 219.006235][ T6709] el0t_64_sync_handler+0xcc/0xe4 [ 219.007034][ T6709] el0t_64_sync+0x1a0/0x1a4 [ 219.008221][ T6709] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.010405][ T6709] gfs2: fsid=}: error -17 adding sysfs files [ 219.179929][ T6712] loop1: detected capacity change from 0 to 32768 [ 219.188157][ T6712] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.189289][ T6712] CPU: 0 PID: 6712 Comm: syz.1.600 Not tainted syzkaller #0 [ 219.190447][ T6712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 219.191965][ T6712] Call trace: [ 219.192413][ T6712] dump_backtrace+0x0/0x458 [ 219.193105][ T6712] show_stack+0x2c/0x3c [ 219.193708][ T6712] __dump_stack+0x30/0x40 [ 219.194501][ T6712] dump_stack_lvl+0xf4/0x15c [ 219.195242][ T6712] dump_stack+0x1c/0x5c [ 219.195906][ T6712] sysfs_create_dir_ns+0x244/0x264 [ 219.196671][ T6712] kobject_add_internal+0x5ac/0xc3c [ 219.197507][ T6712] kobject_init_and_add+0x124/0x190 [ 219.198346][ T6712] gfs2_sys_fs_add+0x200/0x41c [ 219.199083][ T6712] gfs2_fill_super+0xddc/0x1a18 [ 219.199900][ T6712] get_tree_bdev+0x358/0x544 [ 219.200701][ T6712] gfs2_get_tree+0x54/0x1b4 [ 219.201436][ T6712] vfs_get_tree+0x90/0x274 [ 219.202117][ T6712] do_new_mount+0x228/0x810 [ 219.202890][ T6712] path_mount+0x5bc/0x1008 [ 219.203563][ T6712] __arm64_sys_mount+0x514/0x5f0 [ 219.204393][ T6712] invoke_syscall+0x98/0x2b0 [ 219.205134][ T6712] el0_svc_common+0x138/0x258 [ 219.205828][ T6712] do_el0_svc+0x58/0x13c [ 219.206499][ T6712] el0_svc+0x78/0x1d0 [ 219.207114][ T6712] el0t_64_sync_handler+0xcc/0xe4 [ 219.207904][ T6712] el0t_64_sync+0x1a0/0x1a4 [ 219.210786][ T6712] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.212686][ T6712] gfs2: fsid=}: error -17 adding sysfs files [ 219.351273][ T6715] loop1: detected capacity change from 0 to 32768 [ 219.355353][ T6715] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.356818][ T6715] CPU: 0 PID: 6715 Comm: syz.1.601 Not tainted syzkaller #0 [ 219.357872][ T6715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 219.359442][ T6715] Call trace: [ 219.359981][ T6715] dump_backtrace+0x0/0x458 [ 219.360669][ T6715] show_stack+0x2c/0x3c [ 219.361364][ T6715] __dump_stack+0x30/0x40 [ 219.361975][ T6715] dump_stack_lvl+0xf4/0x15c [ 219.362737][ T6715] dump_stack+0x1c/0x5c [ 219.363386][ T6715] sysfs_create_dir_ns+0x244/0x264 [ 219.364271][ T6715] kobject_add_internal+0x5ac/0xc3c [ 219.365139][ T6715] kobject_init_and_add+0x124/0x190 [ 219.366052][ T6715] gfs2_sys_fs_add+0x200/0x41c [ 219.366802][ T6715] gfs2_fill_super+0xddc/0x1a18 [ 219.367604][ T6715] get_tree_bdev+0x358/0x544 [ 219.368376][ T6715] gfs2_get_tree+0x54/0x1b4 [ 219.369133][ T6715] vfs_get_tree+0x90/0x274 [ 219.369852][ T6715] do_new_mount+0x228/0x810 [ 219.370569][ T6715] path_mount+0x5bc/0x1008 [ 219.371269][ T6715] __arm64_sys_mount+0x514/0x5f0 [ 219.372050][ T6715] invoke_syscall+0x98/0x2b0 [ 219.372786][ T6715] el0_svc_common+0x138/0x258 [ 219.373689][ T6715] do_el0_svc+0x58/0x13c [ 219.374321][ T6715] el0_svc+0x78/0x1d0 [ 219.374970][ T6715] el0t_64_sync_handler+0xcc/0xe4 [ 219.375743][ T6715] el0t_64_sync+0x1a0/0x1a4 [ 219.378417][ T6715] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.380364][ T6715] gfs2: fsid=}: error -17 adding sysfs files [ 219.518023][ T6718] loop1: detected capacity change from 0 to 32768 [ 219.569228][ T6718] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.570475][ T6718] CPU: 0 PID: 6718 Comm: syz.1.602 Not tainted syzkaller #0 [ 219.571667][ T6718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 219.573269][ T6718] Call trace: [ 219.573782][ T6718] dump_backtrace+0x0/0x458 [ 219.574525][ T6718] show_stack+0x2c/0x3c [ 219.575149][ T6718] __dump_stack+0x30/0x40 [ 219.575837][ T6718] dump_stack_lvl+0xf4/0x15c [ 219.576565][ T6718] dump_stack+0x1c/0x5c [ 219.577301][ T6718] sysfs_create_dir_ns+0x244/0x264 [ 219.578150][ T6718] kobject_add_internal+0x5ac/0xc3c [ 219.579026][ T6718] kobject_init_and_add+0x124/0x190 [ 219.579935][ T6718] gfs2_sys_fs_add+0x200/0x41c [ 219.580729][ T6718] gfs2_fill_super+0xddc/0x1a18 [ 219.581500][ T6718] get_tree_bdev+0x358/0x544 [ 219.582184][ T6718] gfs2_get_tree+0x54/0x1b4 [ 219.582900][ T6718] vfs_get_tree+0x90/0x274 [ 219.583715][ T6718] do_new_mount+0x228/0x810 [ 219.584514][ T6718] path_mount+0x5bc/0x1008 [ 219.585214][ T6718] __arm64_sys_mount+0x514/0x5f0 [ 219.586018][ T6718] invoke_syscall+0x98/0x2b0 [ 219.586707][ T6718] el0_svc_common+0x138/0x258 [ 219.587429][ T6718] do_el0_svc+0x58/0x13c [ 219.588070][ T6718] el0_svc+0x78/0x1d0 [ 219.588707][ T6718] el0t_64_sync_handler+0xcc/0xe4 [ 219.589542][ T6718] el0t_64_sync+0x1a0/0x1a4 [ 219.591817][ T6718] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.593808][ T6718] gfs2: fsid=}: error -17 adding sysfs files [ 219.734162][ T6721] loop1: detected capacity change from 0 to 32768 [ 219.743396][ T6721] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.744753][ T6721] CPU: 1 PID: 6721 Comm: syz.1.603 Not tainted syzkaller #0 [ 219.745853][ T6721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 219.747395][ T6721] Call trace: [ 219.747955][ T6721] dump_backtrace+0x0/0x458 [ 219.748547][ T6721] show_stack+0x2c/0x3c [ 219.749186][ T6721] __dump_stack+0x30/0x40 [ 219.749893][ T6721] dump_stack_lvl+0xf4/0x15c [ 219.750637][ T6721] dump_stack+0x1c/0x5c [ 219.751366][ T6721] sysfs_create_dir_ns+0x244/0x264 [ 219.752146][ T6721] kobject_add_internal+0x5ac/0xc3c [ 219.752921][ T6721] kobject_init_and_add+0x124/0x190 [ 219.753815][ T6721] gfs2_sys_fs_add+0x200/0x41c [ 219.754626][ T6721] gfs2_fill_super+0xddc/0x1a18 [ 219.755465][ T6721] get_tree_bdev+0x358/0x544 [ 219.756312][ T6721] gfs2_get_tree+0x54/0x1b4 [ 219.757065][ T6721] vfs_get_tree+0x90/0x274 [ 219.757813][ T6721] do_new_mount+0x228/0x810 [ 219.758552][ T6721] path_mount+0x5bc/0x1008 [ 219.759242][ T6721] __arm64_sys_mount+0x514/0x5f0 [ 219.760003][ T6721] invoke_syscall+0x98/0x2b0 [ 219.760688][ T6721] el0_svc_common+0x138/0x258 [ 219.761445][ T6721] do_el0_svc+0x58/0x13c [ 219.762152][ T6721] el0_svc+0x78/0x1d0 [ 219.762835][ T6721] el0t_64_sync_handler+0xcc/0xe4 [ 219.763563][ T6721] el0t_64_sync+0x1a0/0x1a4 [ 219.765147][ T6721] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.766969][ T6721] gfs2: fsid=}: error -17 adding sysfs files [ 220.007577][ T6724] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.008793][ T6724] CPU: 0 PID: 6724 Comm: syz.1.604 Not tainted syzkaller #0 [ 220.009910][ T6724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 220.011499][ T6724] Call trace: [ 220.012024][ T6724] dump_backtrace+0x0/0x458 [ 220.012740][ T6724] show_stack+0x2c/0x3c [ 220.013391][ T6724] __dump_stack+0x30/0x40 [ 220.014064][ T6724] dump_stack_lvl+0xf4/0x15c [ 220.014789][ T6724] dump_stack+0x1c/0x5c [ 220.015528][ T6724] sysfs_create_dir_ns+0x244/0x264 [ 220.016379][ T6724] kobject_add_internal+0x5ac/0xc3c [ 220.017226][ T6724] kobject_init_and_add+0x124/0x190 [ 220.018051][ T6724] gfs2_sys_fs_add+0x200/0x41c [ 220.018873][ T6724] gfs2_fill_super+0xddc/0x1a18 [ 220.019680][ T6724] get_tree_bdev+0x358/0x544 [ 220.020341][ T6724] gfs2_get_tree+0x54/0x1b4 [ 220.020995][ T6724] vfs_get_tree+0x90/0x274 [ 220.021661][ T6724] do_new_mount+0x228/0x810 [ 220.022296][ T6724] path_mount+0x5bc/0x1008 [ 220.022983][ T6724] __arm64_sys_mount+0x514/0x5f0 [ 220.023806][ T6724] invoke_syscall+0x98/0x2b0 [ 220.024463][ T6724] el0_svc_common+0x138/0x258 [ 220.025138][ T6724] do_el0_svc+0x58/0x13c [ 220.025720][ T6724] el0_svc+0x78/0x1d0 [ 220.026443][ T6724] el0t_64_sync_handler+0xcc/0xe4 [ 220.027256][ T6724] el0t_64_sync+0x1a0/0x1a4 [ 220.028173][ T6724] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.030117][ T6724] gfs2: fsid=}: error -17 adding sysfs files [ 220.180122][ T6727] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.181310][ T6727] CPU: 1 PID: 6727 Comm: syz.1.605 Not tainted syzkaller #0 [ 220.182458][ T6727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 220.184124][ T6727] Call trace: [ 220.184655][ T6727] dump_backtrace+0x0/0x458 [ 220.185401][ T6727] show_stack+0x2c/0x3c [ 220.186088][ T6727] __dump_stack+0x30/0x40 [ 220.186817][ T6727] dump_stack_lvl+0xf4/0x15c [ 220.187564][ T6727] dump_stack+0x1c/0x5c [ 220.188300][ T6727] sysfs_create_dir_ns+0x244/0x264 [ 220.189125][ T6727] kobject_add_internal+0x5ac/0xc3c [ 220.190078][ T6727] kobject_init_and_add+0x124/0x190 [ 220.190877][ T6727] gfs2_sys_fs_add+0x200/0x41c [ 220.191584][ T6727] gfs2_fill_super+0xddc/0x1a18 [ 220.192306][ T6727] get_tree_bdev+0x358/0x544 [ 220.192981][ T6727] gfs2_get_tree+0x54/0x1b4 [ 220.193653][ T6727] vfs_get_tree+0x90/0x274 [ 220.194345][ T6727] do_new_mount+0x228/0x810 [ 220.195110][ T6727] path_mount+0x5bc/0x1008 [ 220.195832][ T6727] __arm64_sys_mount+0x514/0x5f0 [ 220.196602][ T6727] invoke_syscall+0x98/0x2b0 [ 220.197335][ T6727] el0_svc_common+0x138/0x258 [ 220.198194][ T6727] do_el0_svc+0x58/0x13c [ 220.198884][ T6727] el0_svc+0x78/0x1d0 [ 220.199506][ T6727] el0t_64_sync_handler+0xcc/0xe4 [ 220.200307][ T6727] el0t_64_sync+0x1a0/0x1a4 [ 220.201809][ T4071] Bluetooth: hci1: command 0x0406 tx timeout [ 220.204929][ T6727] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.206958][ T6727] gfs2: fsid=}: error -17 adding sysfs files [ 220.389369][ T6730] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.390733][ T6730] CPU: 1 PID: 6730 Comm: syz.1.606 Not tainted syzkaller #0 [ 220.391904][ T6730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 220.393601][ T6730] Call trace: [ 220.394108][ T6730] dump_backtrace+0x0/0x458 [ 220.394854][ T6730] show_stack+0x2c/0x3c [ 220.395503][ T6730] __dump_stack+0x30/0x40 [ 220.396187][ T6730] dump_stack_lvl+0xf4/0x15c [ 220.396915][ T6730] dump_stack+0x1c/0x5c [ 220.397598][ T6730] sysfs_create_dir_ns+0x244/0x264 [ 220.398403][ T6730] kobject_add_internal+0x5ac/0xc3c [ 220.399284][ T6730] kobject_init_and_add+0x124/0x190 [ 220.400103][ T6730] gfs2_sys_fs_add+0x200/0x41c [ 220.400883][ T6730] gfs2_fill_super+0xddc/0x1a18 [ 220.401718][ T6730] get_tree_bdev+0x358/0x544 [ 220.402469][ T6730] gfs2_get_tree+0x54/0x1b4 [ 220.403182][ T6730] vfs_get_tree+0x90/0x274 [ 220.403827][ T6730] do_new_mount+0x228/0x810 [ 220.404453][ T6730] path_mount+0x5bc/0x1008 [ 220.405095][ T6730] __arm64_sys_mount+0x514/0x5f0 [ 220.405862][ T6730] invoke_syscall+0x98/0x2b0 [ 220.406562][ T6730] el0_svc_common+0x138/0x258 [ 220.407299][ T6730] do_el0_svc+0x58/0x13c [ 220.407904][ T6730] el0_svc+0x78/0x1d0 [ 220.408582][ T6730] el0t_64_sync_handler+0xcc/0xe4 [ 220.409453][ T6730] el0t_64_sync+0x1a0/0x1a4 [ 220.411811][ T6730] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.414170][ T6730] gfs2: fsid=}: error -17 adding sysfs files [ 220.561219][ T6733] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.562301][ T6733] CPU: 1 PID: 6733 Comm: syz.1.607 Not tainted syzkaller #0 [ 220.563517][ T6733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 220.564987][ T6733] Call trace: [ 220.565541][ T6733] dump_backtrace+0x0/0x458 [ 220.566251][ T6733] show_stack+0x2c/0x3c [ 220.566905][ T6733] __dump_stack+0x30/0x40 [ 220.567541][ T6733] dump_stack_lvl+0xf4/0x15c [ 220.568267][ T6733] dump_stack+0x1c/0x5c [ 220.568981][ T6733] sysfs_create_dir_ns+0x244/0x264 [ 220.569884][ T6733] kobject_add_internal+0x5ac/0xc3c [ 220.570708][ T6733] kobject_init_and_add+0x124/0x190 [ 220.571560][ T6733] gfs2_sys_fs_add+0x200/0x41c [ 220.572403][ T6733] gfs2_fill_super+0xddc/0x1a18 [ 220.573167][ T6733] get_tree_bdev+0x358/0x544 [ 220.573944][ T6733] gfs2_get_tree+0x54/0x1b4 [ 220.574691][ T6733] vfs_get_tree+0x90/0x274 [ 220.575452][ T6733] do_new_mount+0x228/0x810 [ 220.576215][ T6733] path_mount+0x5bc/0x1008 [ 220.576899][ T6733] __arm64_sys_mount+0x514/0x5f0 [ 220.577761][ T6733] invoke_syscall+0x98/0x2b0 [ 220.578483][ T6733] el0_svc_common+0x138/0x258 [ 220.579314][ T6733] do_el0_svc+0x58/0x13c [ 220.580060][ T6733] el0_svc+0x78/0x1d0 [ 220.580738][ T6733] el0t_64_sync_handler+0xcc/0xe4 [ 220.581551][ T6733] el0t_64_sync+0x1a0/0x1a4 [ 220.583299][ T6733] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.587409][ T6733] gfs2: fsid=}: error -17 adding sysfs files [ 220.734156][ T6736] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.735332][ T6736] CPU: 1 PID: 6736 Comm: syz.1.608 Not tainted syzkaller #0 [ 220.736556][ T6736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 220.738124][ T6736] Call trace: [ 220.738625][ T6736] dump_backtrace+0x0/0x458 [ 220.739328][ T6736] show_stack+0x2c/0x3c [ 220.739935][ T6736] __dump_stack+0x30/0x40 [ 220.740503][ T6736] dump_stack_lvl+0xf4/0x15c [ 220.741059][ T6736] dump_stack+0x1c/0x5c [ 220.741568][ T6736] sysfs_create_dir_ns+0x244/0x264 [ 220.742259][ T6736] kobject_add_internal+0x5ac/0xc3c [ 220.742998][ T6736] kobject_init_and_add+0x124/0x190 [ 220.743825][ T6736] gfs2_sys_fs_add+0x200/0x41c [ 220.744639][ T6736] gfs2_fill_super+0xddc/0x1a18 [ 220.745441][ T6736] get_tree_bdev+0x358/0x544 [ 220.746199][ T6736] gfs2_get_tree+0x54/0x1b4 [ 220.746905][ T6736] vfs_get_tree+0x90/0x274 [ 220.747713][ T6736] do_new_mount+0x228/0x810 [ 220.748345][ T6736] path_mount+0x5bc/0x1008 [ 220.748989][ T6736] __arm64_sys_mount+0x514/0x5f0 [ 220.749730][ T6736] invoke_syscall+0x98/0x2b0 [ 220.750523][ T6736] el0_svc_common+0x138/0x258 [ 220.751279][ T6736] do_el0_svc+0x58/0x13c [ 220.751983][ T6736] el0_svc+0x78/0x1d0 [ 220.752569][ T6736] el0t_64_sync_handler+0xcc/0xe4 [ 220.753503][ T6736] el0t_64_sync+0x1a0/0x1a4 [ 220.757852][ T6736] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.759751][ T6736] gfs2: fsid=}: error -17 adding sysfs files [ 220.935241][ T6739] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.936439][ T6739] CPU: 0 PID: 6739 Comm: syz.1.609 Not tainted syzkaller #0 [ 220.937590][ T6739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 220.939160][ T6739] Call trace: [ 220.939616][ T6739] dump_backtrace+0x0/0x458 [ 220.940331][ T6739] show_stack+0x2c/0x3c [ 220.941017][ T6739] __dump_stack+0x30/0x40 [ 220.941716][ T6739] dump_stack_lvl+0xf4/0x15c [ 220.942493][ T6739] dump_stack+0x1c/0x5c [ 220.943152][ T6739] sysfs_create_dir_ns+0x244/0x264 [ 220.943966][ T6739] kobject_add_internal+0x5ac/0xc3c [ 220.944811][ T6739] kobject_init_and_add+0x124/0x190 [ 220.945580][ T6739] gfs2_sys_fs_add+0x200/0x41c [ 220.946282][ T6739] gfs2_fill_super+0xddc/0x1a18 [ 220.947033][ T6739] get_tree_bdev+0x358/0x544 [ 220.947768][ T6739] gfs2_get_tree+0x54/0x1b4 [ 220.948498][ T6739] vfs_get_tree+0x90/0x274 [ 220.949258][ T6739] do_new_mount+0x228/0x810 [ 220.949952][ T6739] path_mount+0x5bc/0x1008 [ 220.950656][ T6739] __arm64_sys_mount+0x514/0x5f0 [ 220.951444][ T6739] invoke_syscall+0x98/0x2b0 [ 220.952202][ T6739] el0_svc_common+0x138/0x258 [ 220.952925][ T6739] do_el0_svc+0x58/0x13c [ 220.953611][ T6739] el0_svc+0x78/0x1d0 [ 220.954309][ T6739] el0t_64_sync_handler+0xcc/0xe4 [ 220.955131][ T6739] el0t_64_sync+0x1a0/0x1a4 [ 220.958211][ T6739] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.960214][ T6739] gfs2: fsid=}: error -17 adding sysfs files [ 221.140460][ T6742] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.141632][ T6742] CPU: 1 PID: 6742 Comm: syz.1.610 Not tainted syzkaller #0 [ 221.142766][ T6742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 221.144260][ T6742] Call trace: [ 221.144808][ T6742] dump_backtrace+0x0/0x458 [ 221.145519][ T6742] show_stack+0x2c/0x3c [ 221.146168][ T6742] __dump_stack+0x30/0x40 [ 221.146796][ T6742] dump_stack_lvl+0xf4/0x15c [ 221.147471][ T6742] dump_stack+0x1c/0x5c [ 221.148147][ T6742] sysfs_create_dir_ns+0x244/0x264 [ 221.148994][ T6742] kobject_add_internal+0x5ac/0xc3c [ 221.149802][ T6742] kobject_init_and_add+0x124/0x190 [ 221.150760][ T6742] gfs2_sys_fs_add+0x200/0x41c [ 221.151518][ T6742] gfs2_fill_super+0xddc/0x1a18 [ 221.152255][ T6742] get_tree_bdev+0x358/0x544 [ 221.152924][ T6742] gfs2_get_tree+0x54/0x1b4 [ 221.153566][ T6742] vfs_get_tree+0x90/0x274 [ 221.154235][ T6742] do_new_mount+0x228/0x810 [ 221.154980][ T6742] path_mount+0x5bc/0x1008 [ 221.155659][ T6742] __arm64_sys_mount+0x514/0x5f0 [ 221.156374][ T6742] invoke_syscall+0x98/0x2b0 [ 221.157032][ T6742] el0_svc_common+0x138/0x258 [ 221.157734][ T6742] do_el0_svc+0x58/0x13c [ 221.158448][ T6742] el0_svc+0x78/0x1d0 [ 221.159109][ T6742] el0t_64_sync_handler+0xcc/0xe4 [ 221.159975][ T6742] el0t_64_sync+0x1a0/0x1a4 [ 221.162338][ T6742] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.164373][ T6742] gfs2: fsid=}: error -17 adding sysfs files [ 221.335245][ T6745] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.336424][ T6745] CPU: 0 PID: 6745 Comm: syz.1.611 Not tainted syzkaller #0 [ 221.337628][ T6745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 221.339108][ T6745] Call trace: [ 221.339627][ T6745] dump_backtrace+0x0/0x458 [ 221.340329][ T6745] show_stack+0x2c/0x3c [ 221.341047][ T6745] __dump_stack+0x30/0x40 [ 221.341686][ T6745] dump_stack_lvl+0xf4/0x15c [ 221.342415][ T6745] dump_stack+0x1c/0x5c [ 221.343087][ T6745] sysfs_create_dir_ns+0x244/0x264 [ 221.343927][ T6745] kobject_add_internal+0x5ac/0xc3c [ 221.344750][ T6745] kobject_init_and_add+0x124/0x190 [ 221.345597][ T6745] gfs2_sys_fs_add+0x200/0x41c [ 221.346359][ T6745] gfs2_fill_super+0xddc/0x1a18 [ 221.347189][ T6745] get_tree_bdev+0x358/0x544 [ 221.347852][ T6745] gfs2_get_tree+0x54/0x1b4 [ 221.348467][ T6745] vfs_get_tree+0x90/0x274 [ 221.349053][ T6745] do_new_mount+0x228/0x810 [ 221.349654][ T6745] path_mount+0x5bc/0x1008 [ 221.350394][ T6745] __arm64_sys_mount+0x514/0x5f0 [ 221.351235][ T6745] invoke_syscall+0x98/0x2b0 [ 221.351942][ T6745] el0_svc_common+0x138/0x258 [ 221.352721][ T6745] do_el0_svc+0x58/0x13c [ 221.353421][ T6745] el0_svc+0x78/0x1d0 [ 221.354083][ T6745] el0t_64_sync_handler+0xcc/0xe4 [ 221.354882][ T6745] el0t_64_sync+0x1a0/0x1a4 [ 221.355999][ T6745] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.358048][ T6745] gfs2: fsid=}: error -17 adding sysfs files [ 221.623237][ T6748] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.624356][ T6748] CPU: 0 PID: 6748 Comm: syz.1.612 Not tainted syzkaller #0 [ 221.625428][ T6748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 221.626942][ T6748] Call trace: [ 221.627428][ T6748] dump_backtrace+0x0/0x458 [ 221.628066][ T6748] show_stack+0x2c/0x3c [ 221.628696][ T6748] __dump_stack+0x30/0x40 [ 221.629260][ T6748] dump_stack_lvl+0xf4/0x15c [ 221.629848][ T6748] dump_stack+0x1c/0x5c [ 221.630383][ T6748] sysfs_create_dir_ns+0x244/0x264 [ 221.631045][ T6748] kobject_add_internal+0x5ac/0xc3c [ 221.631765][ T6748] kobject_init_and_add+0x124/0x190 [ 221.632600][ T6748] gfs2_sys_fs_add+0x200/0x41c [ 221.633300][ T6748] gfs2_fill_super+0xddc/0x1a18 [ 221.634020][ T6748] get_tree_bdev+0x358/0x544 [ 221.634645][ T6748] gfs2_get_tree+0x54/0x1b4 [ 221.635369][ T6748] vfs_get_tree+0x90/0x274 [ 221.635998][ T6748] do_new_mount+0x228/0x810 [ 221.636673][ T6748] path_mount+0x5bc/0x1008 [ 221.637302][ T6748] __arm64_sys_mount+0x514/0x5f0 [ 221.638011][ T6748] invoke_syscall+0x98/0x2b0 [ 221.638666][ T6748] el0_svc_common+0x138/0x258 [ 221.639246][ T6748] do_el0_svc+0x58/0x13c [ 221.639781][ T6748] el0_svc+0x78/0x1d0 [ 221.640292][ T6748] el0t_64_sync_handler+0xcc/0xe4 [ 221.640910][ T6748] el0t_64_sync+0x1a0/0x1a4 [ 221.643254][ T6748] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.644865][ T6748] gfs2: fsid=}: error -17 adding sysfs files [ 221.798746][ T6751] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.799904][ T6751] CPU: 1 PID: 6751 Comm: syz.1.613 Not tainted syzkaller #0 [ 221.800914][ T6751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 221.802485][ T6751] Call trace: [ 221.803032][ T6751] dump_backtrace+0x0/0x458 [ 221.803726][ T6751] show_stack+0x2c/0x3c [ 221.804365][ T6751] __dump_stack+0x30/0x40 [ 221.805124][ T6751] dump_stack_lvl+0xf4/0x15c [ 221.805993][ T6751] dump_stack+0x1c/0x5c [ 221.806596][ T6751] sysfs_create_dir_ns+0x244/0x264 [ 221.807359][ T6751] kobject_add_internal+0x5ac/0xc3c [ 221.808333][ T6751] kobject_init_and_add+0x124/0x190 [ 221.809162][ T6751] gfs2_sys_fs_add+0x200/0x41c [ 221.809794][ T6751] gfs2_fill_super+0xddc/0x1a18 [ 221.810585][ T6751] get_tree_bdev+0x358/0x544 [ 221.811342][ T6751] gfs2_get_tree+0x54/0x1b4 [ 221.812006][ T6751] vfs_get_tree+0x90/0x274 [ 221.812704][ T6751] do_new_mount+0x228/0x810 [ 221.813359][ T6751] path_mount+0x5bc/0x1008 [ 221.813990][ T6751] __arm64_sys_mount+0x514/0x5f0 [ 221.814765][ T6751] invoke_syscall+0x98/0x2b0 [ 221.815435][ T6751] el0_svc_common+0x138/0x258 [ 221.816120][ T6751] do_el0_svc+0x58/0x13c [ 221.816722][ T6751] el0_svc+0x78/0x1d0 [ 221.817356][ T6751] el0t_64_sync_handler+0xcc/0xe4 [ 221.818190][ T6751] el0t_64_sync+0x1a0/0x1a4 [ 221.819176][ T6751] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.821250][ T6751] gfs2: fsid=}: error -17 adding sysfs files [ 222.007559][ T6754] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.008532][ T6754] CPU: 0 PID: 6754 Comm: syz.1.614 Not tainted syzkaller #0 [ 222.009468][ T6754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 222.010820][ T6754] Call trace: [ 222.011275][ T6754] dump_backtrace+0x0/0x458 [ 222.011919][ T6754] show_stack+0x2c/0x3c [ 222.012674][ T6754] __dump_stack+0x30/0x40 [ 222.013465][ T6754] dump_stack_lvl+0xf4/0x15c [ 222.014235][ T6754] dump_stack+0x1c/0x5c [ 222.014928][ T6754] sysfs_create_dir_ns+0x244/0x264 [ 222.015761][ T6754] kobject_add_internal+0x5ac/0xc3c [ 222.016525][ T6754] kobject_init_and_add+0x124/0x190 [ 222.017404][ T6754] gfs2_sys_fs_add+0x200/0x41c [ 222.018171][ T6754] gfs2_fill_super+0xddc/0x1a18 [ 222.018961][ T6754] get_tree_bdev+0x358/0x544 [ 222.019652][ T6754] gfs2_get_tree+0x54/0x1b4 [ 222.020416][ T6754] vfs_get_tree+0x90/0x274 [ 222.021107][ T6754] do_new_mount+0x228/0x810 [ 222.021777][ T6754] path_mount+0x5bc/0x1008 [ 222.022348][ T6754] __arm64_sys_mount+0x514/0x5f0 [ 222.023145][ T6754] invoke_syscall+0x98/0x2b0 [ 222.023863][ T6754] el0_svc_common+0x138/0x258 [ 222.024551][ T6754] do_el0_svc+0x58/0x13c [ 222.025267][ T6754] el0_svc+0x78/0x1d0 [ 222.025842][ T6754] el0t_64_sync_handler+0xcc/0xe4 [ 222.026743][ T6754] el0t_64_sync+0x1a0/0x1a4 [ 222.028435][ T6754] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.030080][ T6754] gfs2: fsid=}: error -17 adding sysfs files [ 222.176063][ T6757] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.177212][ T6757] CPU: 0 PID: 6757 Comm: syz.1.615 Not tainted syzkaller #0 [ 222.178257][ T6757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 222.179635][ T6757] Call trace: [ 222.180049][ T6757] dump_backtrace+0x0/0x458 [ 222.180677][ T6757] show_stack+0x2c/0x3c [ 222.181377][ T6757] __dump_stack+0x30/0x40 [ 222.182037][ T6757] dump_stack_lvl+0xf4/0x15c [ 222.182711][ T6757] dump_stack+0x1c/0x5c [ 222.183320][ T6757] sysfs_create_dir_ns+0x244/0x264 [ 222.184095][ T6757] kobject_add_internal+0x5ac/0xc3c [ 222.184902][ T6757] kobject_init_and_add+0x124/0x190 [ 222.185688][ T6757] gfs2_sys_fs_add+0x200/0x41c [ 222.186398][ T6757] gfs2_fill_super+0xddc/0x1a18 [ 222.187118][ T6757] get_tree_bdev+0x358/0x544 [ 222.187811][ T6757] gfs2_get_tree+0x54/0x1b4 [ 222.188504][ T6757] vfs_get_tree+0x90/0x274 [ 222.189196][ T6757] do_new_mount+0x228/0x810 [ 222.189949][ T6757] path_mount+0x5bc/0x1008 [ 222.190771][ T6757] __arm64_sys_mount+0x514/0x5f0 [ 222.191547][ T6757] invoke_syscall+0x98/0x2b0 [ 222.192236][ T6757] el0_svc_common+0x138/0x258 [ 222.192932][ T6757] do_el0_svc+0x58/0x13c [ 222.193643][ T6757] el0_svc+0x78/0x1d0 [ 222.194329][ T6757] el0t_64_sync_handler+0xcc/0xe4 [ 222.195183][ T6757] el0t_64_sync+0x1a0/0x1a4 [ 222.196324][ T6757] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.198268][ T6757] gfs2: fsid=}: error -17 adding sysfs files [ 222.409532][ T6760] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.410740][ T6760] CPU: 1 PID: 6760 Comm: syz.1.616 Not tainted syzkaller #0 [ 222.411816][ T6760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 222.413416][ T6760] Call trace: [ 222.413950][ T6760] dump_backtrace+0x0/0x458 [ 222.414664][ T6760] show_stack+0x2c/0x3c [ 222.415316][ T6760] __dump_stack+0x30/0x40 [ 222.416082][ T6760] dump_stack_lvl+0xf4/0x15c [ 222.416841][ T6760] dump_stack+0x1c/0x5c [ 222.417464][ T6760] sysfs_create_dir_ns+0x244/0x264 [ 222.418303][ T6760] kobject_add_internal+0x5ac/0xc3c [ 222.419176][ T6760] kobject_init_and_add+0x124/0x190 [ 222.420085][ T6760] gfs2_sys_fs_add+0x200/0x41c [ 222.420821][ T6760] gfs2_fill_super+0xddc/0x1a18 [ 222.421577][ T6760] get_tree_bdev+0x358/0x544 [ 222.422342][ T6760] gfs2_get_tree+0x54/0x1b4 [ 222.423073][ T6760] vfs_get_tree+0x90/0x274 [ 222.423833][ T6760] do_new_mount+0x228/0x810 [ 222.424529][ T6760] path_mount+0x5bc/0x1008 [ 222.425273][ T6760] __arm64_sys_mount+0x514/0x5f0 [ 222.426186][ T6760] invoke_syscall+0x98/0x2b0 [ 222.426986][ T6760] el0_svc_common+0x138/0x258 [ 222.427764][ T6760] do_el0_svc+0x58/0x13c [ 222.428433][ T6760] el0_svc+0x78/0x1d0 [ 222.429088][ T6760] el0t_64_sync_handler+0xcc/0xe4 [ 222.429915][ T6760] el0t_64_sync+0x1a0/0x1a4 [ 222.432142][ T6760] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.434255][ T6760] gfs2: fsid=}: error -17 adding sysfs files [ 222.616174][ T6763] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.617317][ T6763] CPU: 1 PID: 6763 Comm: syz.1.617 Not tainted syzkaller #0 [ 222.618431][ T6763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 222.620098][ T6763] Call trace: [ 222.620600][ T6763] dump_backtrace+0x0/0x458 [ 222.621269][ T6763] show_stack+0x2c/0x3c [ 222.621920][ T6763] __dump_stack+0x30/0x40 [ 222.622609][ T6763] dump_stack_lvl+0xf4/0x15c [ 222.623364][ T6763] dump_stack+0x1c/0x5c [ 222.624092][ T6763] sysfs_create_dir_ns+0x244/0x264 [ 222.624941][ T6763] kobject_add_internal+0x5ac/0xc3c [ 222.625764][ T6763] kobject_init_and_add+0x124/0x190 [ 222.626626][ T6763] gfs2_sys_fs_add+0x200/0x41c [ 222.627384][ T6763] gfs2_fill_super+0xddc/0x1a18 [ 222.628157][ T6763] get_tree_bdev+0x358/0x544 [ 222.628943][ T6763] gfs2_get_tree+0x54/0x1b4 [ 222.629653][ T6763] vfs_get_tree+0x90/0x274 [ 222.630397][ T6763] do_new_mount+0x228/0x810 [ 222.631146][ T6763] path_mount+0x5bc/0x1008 [ 222.631860][ T6763] __arm64_sys_mount+0x514/0x5f0 [ 222.632584][ T6763] invoke_syscall+0x98/0x2b0 [ 222.633285][ T6763] el0_svc_common+0x138/0x258 [ 222.634030][ T6763] do_el0_svc+0x58/0x13c [ 222.634691][ T6763] el0_svc+0x78/0x1d0 [ 222.635305][ T6763] el0t_64_sync_handler+0xcc/0xe4 [ 222.636091][ T6763] el0t_64_sync+0x1a0/0x1a4 [ 222.639145][ T6763] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.641463][ T6763] gfs2: fsid=}: error -17 adding sysfs files [ 222.724243][ T6766] chnl_net:caif_netlink_parms(): no params data found [ 222.745588][ T6766] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.746847][ T6766] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.748386][ T6766] device bridge_slave_0 entered promiscuous mode [ 222.750517][ T6766] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.751681][ T6766] bridge0: port 2(bridge_slave_1) entered disabled state [ 222.753413][ T6766] device bridge_slave_1 entered promiscuous mode [ 222.762165][ T6766] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 222.765084][ T6766] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 222.773518][ T6766] team0: Port device team_slave_0 added [ 222.776295][ T6766] team0: Port device team_slave_1 added [ 222.783737][ T6766] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 222.784832][ T6766] 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. [ 222.788743][ T6766] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 222.791107][ T6766] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 222.792239][ T6766] 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. [ 222.796487][ T6766] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 222.864820][ T6766] device hsr_slave_0 entered promiscuous mode [ 222.923505][ T6766] device hsr_slave_1 entered promiscuous mode [ 222.963166][ T6766] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 222.964372][ T6766] Cannot create hsr debugfs directory [ 223.005032][ T6766] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 223.495897][ T6766] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 223.560799][ T6766] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 223.657315][ T6766] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 223.837291][ T6766] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 223.868438][ T6766] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 223.918407][ T6766] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 223.978328][ T6766] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 224.041274][ T6766] 8021q: adding VLAN 0 to HW filter on device bond0 [ 224.046130][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 224.047756][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 224.050561][ T6766] 8021q: adding VLAN 0 to HW filter on device team0 [ 224.054791][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 224.056552][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 224.057989][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 224.059101][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 224.060555][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 224.064159][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 224.065824][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 224.067174][ T347] bridge0: port 2(bridge_slave_1) entered blocking state [ 224.068358][ T347] bridge0: port 2(bridge_slave_1) entered forwarding state [ 224.070683][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 224.074198][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 224.077766][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 224.079957][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 224.081630][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 224.090838][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 224.092670][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 224.096049][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 224.097626][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 224.101049][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 224.102561][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 224.106266][ T6766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 224.152254][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 224.153736][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 224.157577][ T6766] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 224.164986][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 224.166616][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 224.172890][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 224.175301][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 224.177241][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 224.178703][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 224.181770][ T6766] device veth0_vlan entered promiscuous mode [ 224.186186][ T6766] device veth1_vlan entered promiscuous mode [ 224.196701][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 224.198492][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 224.200039][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 224.201557][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 224.206313][ T6766] device veth0_macvtap entered promiscuous mode [ 224.208944][ T6766] device veth1_macvtap entered promiscuous mode [ 224.215531][ T6766] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 224.217317][ T6766] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.218880][ T6766] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 224.220620][ T6766] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.223065][ T6766] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 224.229464][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 224.231122][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 224.232531][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 224.234143][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 224.236838][ T6766] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.238443][ T6766] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.240061][ T6766] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.241665][ T6766] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.243874][ T6766] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 224.245129][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 224.246829][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 224.249604][ T6766] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 224.250951][ T6766] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 224.252339][ T6766] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 224.254082][ T6766] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 224.279498][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 224.280789][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 224.282087][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 224.289670][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 224.291010][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 224.292309][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:03:44 executed programs: 604 [ 224.438984][ T6778] set_capacity_and_notify: 14 callbacks suppressed [ 224.438994][ T6778] loop1: detected capacity change from 0 to 32768 [ 224.480109][ T6778] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.481265][ T6778] CPU: 0 PID: 6778 Comm: syz.1.618 Not tainted syzkaller #0 [ 224.482413][ T6778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 224.484011][ T6778] Call trace: [ 224.484637][ T6778] dump_backtrace+0x0/0x458 [ 224.485363][ T6778] show_stack+0x2c/0x3c [ 224.486148][ T6778] __dump_stack+0x30/0x40 [ 224.486833][ T6778] dump_stack_lvl+0xf4/0x15c [ 224.487584][ T6778] dump_stack+0x1c/0x5c [ 224.488195][ T6778] sysfs_create_dir_ns+0x244/0x264 [ 224.489063][ T6778] kobject_add_internal+0x5ac/0xc3c [ 224.489987][ T6778] kobject_init_and_add+0x124/0x190 [ 224.490765][ T6778] gfs2_sys_fs_add+0x200/0x41c [ 224.491500][ T6778] gfs2_fill_super+0xddc/0x1a18 [ 224.492241][ T6778] get_tree_bdev+0x358/0x544 [ 224.492773][ T6778] gfs2_get_tree+0x54/0x1b4 [ 224.493314][ T6778] vfs_get_tree+0x90/0x274 [ 224.493910][ T6778] do_new_mount+0x228/0x810 [ 224.494609][ T6778] path_mount+0x5bc/0x1008 [ 224.495233][ T6778] __arm64_sys_mount+0x514/0x5f0 [ 224.495913][ T6778] invoke_syscall+0x98/0x2b0 [ 224.496517][ T6778] el0_svc_common+0x138/0x258 [ 224.497182][ T6778] do_el0_svc+0x58/0x13c [ 224.497939][ T6778] el0_svc+0x78/0x1d0 [ 224.498573][ T6778] el0t_64_sync_handler+0xcc/0xe4 [ 224.499363][ T6778] el0t_64_sync+0x1a0/0x1a4 [ 224.501096][ T6778] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.503030][ T6778] gfs2: fsid=}: error -17 adding sysfs files [ 224.652828][ T6781] loop1: detected capacity change from 0 to 32768 [ 224.659075][ T597] device hsr_slave_0 left promiscuous mode [ 224.693579][ T597] device hsr_slave_1 left promiscuous mode [ 224.743219][ T1540] Bluetooth: hci2: command 0x0409 tx timeout [ 224.747219][ T6781] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.748453][ T6781] CPU: 0 PID: 6781 Comm: syz.1.619 Not tainted syzkaller #0 [ 224.749589][ T6781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 224.751179][ T6781] Call trace: [ 224.751703][ T6781] dump_backtrace+0x0/0x458 [ 224.752272][ T6781] show_stack+0x2c/0x3c [ 224.752854][ T6781] __dump_stack+0x30/0x40 [ 224.753539][ T6781] dump_stack_lvl+0xf4/0x15c [ 224.754192][ T6781] dump_stack+0x1c/0x5c [ 224.754897][ T6781] sysfs_create_dir_ns+0x244/0x264 [ 224.755753][ T6781] kobject_add_internal+0x5ac/0xc3c [ 224.756590][ T6781] kobject_init_and_add+0x124/0x190 [ 224.757435][ T6781] gfs2_sys_fs_add+0x200/0x41c [ 224.758237][ T6781] gfs2_fill_super+0xddc/0x1a18 [ 224.759006][ T6781] get_tree_bdev+0x358/0x544 [ 224.759746][ T6781] gfs2_get_tree+0x54/0x1b4 [ 224.760471][ T6781] vfs_get_tree+0x90/0x274 [ 224.761192][ T6781] do_new_mount+0x228/0x810 [ 224.761853][ T6781] path_mount+0x5bc/0x1008 [ 224.762580][ T6781] __arm64_sys_mount+0x514/0x5f0 [ 224.763430][ T6781] invoke_syscall+0x98/0x2b0 [ 224.764163][ T6781] el0_svc_common+0x138/0x258 [ 224.764923][ T6781] do_el0_svc+0x58/0x13c [ 224.765570][ T6781] el0_svc+0x78/0x1d0 [ 224.766227][ T6781] el0t_64_sync_handler+0xcc/0xe4 [ 224.766998][ T6781] el0t_64_sync+0x1a0/0x1a4 [ 224.768634][ T6781] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.770420][ T6781] gfs2: fsid=}: error -17 adding sysfs files [ 224.793268][ T597] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 224.794446][ T597] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 224.796008][ T597] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 224.797161][ T597] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 224.798614][ T597] device bridge_slave_1 left promiscuous mode [ 224.799652][ T597] bridge0: port 2(bridge_slave_1) entered disabled state [ 224.844010][ T597] device bridge_slave_0 left promiscuous mode [ 224.845150][ T597] bridge0: port 1(bridge_slave_0) entered disabled state [ 224.928874][ T6784] loop1: detected capacity change from 0 to 32768 [ 224.935322][ T6784] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.936430][ T6784] CPU: 1 PID: 6784 Comm: syz.1.620 Not tainted syzkaller #0 [ 224.937618][ T6784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 224.939078][ T6784] Call trace: [ 224.939548][ T6784] dump_backtrace+0x0/0x458 [ 224.940325][ T6784] show_stack+0x2c/0x3c [ 224.941001][ T6784] __dump_stack+0x30/0x40 [ 224.941647][ T6784] dump_stack_lvl+0xf4/0x15c [ 224.942343][ T6784] dump_stack+0x1c/0x5c [ 224.943008][ T6784] sysfs_create_dir_ns+0x244/0x264 [ 224.943793][ T6784] kobject_add_internal+0x5ac/0xc3c [ 224.944617][ T6784] kobject_init_and_add+0x124/0x190 [ 224.945451][ T6784] gfs2_sys_fs_add+0x200/0x41c [ 224.946187][ T6784] gfs2_fill_super+0xddc/0x1a18 [ 224.946992][ T6784] get_tree_bdev+0x358/0x544 [ 224.947758][ T6784] gfs2_get_tree+0x54/0x1b4 [ 224.948484][ T6784] vfs_get_tree+0x90/0x274 [ 224.949157][ T6784] do_new_mount+0x228/0x810 [ 224.949905][ T6784] path_mount+0x5bc/0x1008 [ 224.950674][ T6784] __arm64_sys_mount+0x514/0x5f0 [ 224.951494][ T6784] invoke_syscall+0x98/0x2b0 [ 224.952255][ T6784] el0_svc_common+0x138/0x258 [ 224.953048][ T6784] do_el0_svc+0x58/0x13c [ 224.953748][ T6784] el0_svc+0x78/0x1d0 [ 224.954419][ T6784] el0t_64_sync_handler+0xcc/0xe4 [ 224.955286][ T6784] el0t_64_sync+0x1a0/0x1a4 [ 224.957744][ T6784] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.959640][ T6784] gfs2: fsid=}: error -17 adding sysfs files [ 224.994204][ T597] device veth1_macvtap left promiscuous mode [ 224.995238][ T597] device veth0_macvtap left promiscuous mode [ 224.996310][ T597] device veth1_vlan left promiscuous mode [ 224.997221][ T597] device veth0_vlan left promiscuous mode [ 225.132726][ T597] team0 (unregistering): Port device team_slave_1 removed [ 225.144670][ T597] team0 (unregistering): Port device team_slave_0 removed [ 225.149167][ T597] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 225.178058][ T597] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 225.199339][ T6787] loop1: detected capacity change from 0 to 32768 [ 225.279471][ T6787] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.280674][ T6787] CPU: 1 PID: 6787 Comm: syz.1.621 Not tainted syzkaller #0 [ 225.281829][ T6787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 225.283430][ T6787] Call trace: [ 225.283855][ T6787] dump_backtrace+0x0/0x458 [ 225.284630][ T6787] show_stack+0x2c/0x3c [ 225.285283][ T6787] __dump_stack+0x30/0x40 [ 225.286029][ T6787] dump_stack_lvl+0xf4/0x15c [ 225.286788][ T6787] dump_stack+0x1c/0x5c [ 225.287489][ T6787] sysfs_create_dir_ns+0x244/0x264 [ 225.288315][ T6787] kobject_add_internal+0x5ac/0xc3c [ 225.289177][ T6787] kobject_init_and_add+0x124/0x190 [ 225.290101][ T6787] gfs2_sys_fs_add+0x200/0x41c [ 225.290859][ T6787] gfs2_fill_super+0xddc/0x1a18 [ 225.291691][ T6787] get_tree_bdev+0x358/0x544 [ 225.292477][ T6787] gfs2_get_tree+0x54/0x1b4 [ 225.293217][ T6787] vfs_get_tree+0x90/0x274 [ 225.293985][ T6787] do_new_mount+0x228/0x810 [ 225.294708][ T6787] path_mount+0x5bc/0x1008 [ 225.295351][ T6787] __arm64_sys_mount+0x514/0x5f0 [ 225.296073][ T6787] invoke_syscall+0x98/0x2b0 [ 225.296833][ T6787] el0_svc_common+0x138/0x258 [ 225.297564][ T6787] do_el0_svc+0x58/0x13c [ 225.298220][ T6787] el0_svc+0x78/0x1d0 [ 225.298858][ T6787] el0t_64_sync_handler+0xcc/0xe4 [ 225.299724][ T6787] el0t_64_sync+0x1a0/0x1a4 [ 225.305698][ T597] bond0 (unregistering): Released all slaves [ 225.314707][ T6787] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.316644][ T6787] gfs2: fsid=}: error -17 adding sysfs files [ 225.573032][ T6790] loop1: detected capacity change from 0 to 32768 [ 225.579152][ T6790] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.580479][ T6790] CPU: 0 PID: 6790 Comm: syz.1.622 Not tainted syzkaller #0 [ 225.581587][ T6790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 225.583075][ T6790] Call trace: [ 225.583595][ T6790] dump_backtrace+0x0/0x458 [ 225.584394][ T6790] show_stack+0x2c/0x3c [ 225.585025][ T6790] __dump_stack+0x30/0x40 [ 225.585775][ T6790] dump_stack_lvl+0xf4/0x15c [ 225.586560][ T6790] dump_stack+0x1c/0x5c [ 225.587263][ T6790] sysfs_create_dir_ns+0x244/0x264 [ 225.588056][ T6790] kobject_add_internal+0x5ac/0xc3c [ 225.588911][ T6790] kobject_init_and_add+0x124/0x190 [ 225.589713][ T6790] gfs2_sys_fs_add+0x200/0x41c [ 225.590457][ T6790] gfs2_fill_super+0xddc/0x1a18 [ 225.591299][ T6790] get_tree_bdev+0x358/0x544 [ 225.592029][ T6790] gfs2_get_tree+0x54/0x1b4 [ 225.592780][ T6790] vfs_get_tree+0x90/0x274 [ 225.593445][ T6790] do_new_mount+0x228/0x810 [ 225.594230][ T6790] path_mount+0x5bc/0x1008 [ 225.594924][ T6790] __arm64_sys_mount+0x514/0x5f0 [ 225.595698][ T6790] invoke_syscall+0x98/0x2b0 [ 225.596452][ T6790] el0_svc_common+0x138/0x258 [ 225.597211][ T6790] do_el0_svc+0x58/0x13c [ 225.597890][ T6790] el0_svc+0x78/0x1d0 [ 225.598512][ T6790] el0t_64_sync_handler+0xcc/0xe4 [ 225.599289][ T6790] el0t_64_sync+0x1a0/0x1a4 [ 225.603809][ T6790] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.605685][ T6790] gfs2: fsid=}: error -17 adding sysfs files [ 225.850919][ T6793] loop1: detected capacity change from 0 to 32768 [ 225.914222][ T6793] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.915401][ T6793] CPU: 0 PID: 6793 Comm: syz.1.623 Not tainted syzkaller #0 [ 225.916522][ T6793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 225.918275][ T6793] Call trace: [ 225.918819][ T6793] dump_backtrace+0x0/0x458 [ 225.919573][ T6793] show_stack+0x2c/0x3c [ 225.920251][ T6793] __dump_stack+0x30/0x40 [ 225.921014][ T6793] dump_stack_lvl+0xf4/0x15c [ 225.921744][ T6793] dump_stack+0x1c/0x5c [ 225.922492][ T6793] sysfs_create_dir_ns+0x244/0x264 [ 225.923379][ T6793] kobject_add_internal+0x5ac/0xc3c [ 225.924291][ T6793] kobject_init_and_add+0x124/0x190 [ 225.925168][ T6793] gfs2_sys_fs_add+0x200/0x41c [ 225.925958][ T6793] gfs2_fill_super+0xddc/0x1a18 [ 225.926753][ T6793] get_tree_bdev+0x358/0x544 [ 225.927402][ T6793] gfs2_get_tree+0x54/0x1b4 [ 225.928161][ T6793] vfs_get_tree+0x90/0x274 [ 225.928859][ T6793] do_new_mount+0x228/0x810 [ 225.929543][ T6793] path_mount+0x5bc/0x1008 [ 225.930172][ T6793] __arm64_sys_mount+0x514/0x5f0 [ 225.930912][ T6793] invoke_syscall+0x98/0x2b0 [ 225.931621][ T6793] el0_svc_common+0x138/0x258 [ 225.932364][ T6793] do_el0_svc+0x58/0x13c [ 225.933005][ T6793] el0_svc+0x78/0x1d0 [ 225.933581][ T6793] el0t_64_sync_handler+0xcc/0xe4 [ 225.934363][ T6793] el0t_64_sync+0x1a0/0x1a4 [ 225.937081][ T6793] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.939107][ T6793] gfs2: fsid=}: error -17 adding sysfs files [ 226.089227][ T6796] loop1: detected capacity change from 0 to 32768 [ 226.124971][ T6796] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.126065][ T6796] CPU: 1 PID: 6796 Comm: syz.1.624 Not tainted syzkaller #0 [ 226.127311][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 226.128912][ T6796] Call trace: [ 226.129404][ T6796] dump_backtrace+0x0/0x458 [ 226.130103][ T6796] show_stack+0x2c/0x3c [ 226.130710][ T6796] __dump_stack+0x30/0x40 [ 226.131385][ T6796] dump_stack_lvl+0xf4/0x15c [ 226.132188][ T6796] dump_stack+0x1c/0x5c [ 226.132859][ T6796] sysfs_create_dir_ns+0x244/0x264 [ 226.133597][ T6796] kobject_add_internal+0x5ac/0xc3c [ 226.134363][ T6796] kobject_init_and_add+0x124/0x190 [ 226.135150][ T6796] gfs2_sys_fs_add+0x200/0x41c [ 226.135897][ T6796] gfs2_fill_super+0xddc/0x1a18 [ 226.136643][ T6796] get_tree_bdev+0x358/0x544 [ 226.137377][ T6796] gfs2_get_tree+0x54/0x1b4 [ 226.138084][ T6796] vfs_get_tree+0x90/0x274 [ 226.138803][ T6796] do_new_mount+0x228/0x810 [ 226.139477][ T6796] path_mount+0x5bc/0x1008 [ 226.140228][ T6796] __arm64_sys_mount+0x514/0x5f0 [ 226.141071][ T6796] invoke_syscall+0x98/0x2b0 [ 226.141849][ T6796] el0_svc_common+0x138/0x258 [ 226.142562][ T6796] do_el0_svc+0x58/0x13c [ 226.143268][ T6796] el0_svc+0x78/0x1d0 [ 226.143922][ T6796] el0t_64_sync_handler+0xcc/0xe4 [ 226.144793][ T6796] el0t_64_sync+0x1a0/0x1a4 [ 226.147565][ T6796] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.149541][ T6796] gfs2: fsid=}: error -17 adding sysfs files [ 226.340484][ T6799] loop1: detected capacity change from 0 to 32768 [ 226.386426][ T6799] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.387614][ T6799] CPU: 1 PID: 6799 Comm: syz.1.625 Not tainted syzkaller #0 [ 226.388697][ T6799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 226.390242][ T6799] Call trace: [ 226.390796][ T6799] dump_backtrace+0x0/0x458 [ 226.391531][ T6799] show_stack+0x2c/0x3c [ 226.392296][ T6799] __dump_stack+0x30/0x40 [ 226.392981][ T6799] dump_stack_lvl+0xf4/0x15c [ 226.393700][ T6799] dump_stack+0x1c/0x5c [ 226.394440][ T6799] sysfs_create_dir_ns+0x244/0x264 [ 226.395338][ T6799] kobject_add_internal+0x5ac/0xc3c [ 226.396092][ T6799] kobject_init_and_add+0x124/0x190 [ 226.396935][ T6799] gfs2_sys_fs_add+0x200/0x41c [ 226.397723][ T6799] gfs2_fill_super+0xddc/0x1a18 [ 226.398509][ T6799] get_tree_bdev+0x358/0x544 [ 226.399283][ T6799] gfs2_get_tree+0x54/0x1b4 [ 226.399956][ T6799] vfs_get_tree+0x90/0x274 [ 226.400592][ T6799] do_new_mount+0x228/0x810 [ 226.401225][ T6799] path_mount+0x5bc/0x1008 [ 226.401875][ T6799] __arm64_sys_mount+0x514/0x5f0 [ 226.402726][ T6799] invoke_syscall+0x98/0x2b0 [ 226.403494][ T6799] el0_svc_common+0x138/0x258 [ 226.404363][ T6799] do_el0_svc+0x58/0x13c [ 226.405029][ T6799] el0_svc+0x78/0x1d0 [ 226.405699][ T6799] el0t_64_sync_handler+0xcc/0xe4 [ 226.406565][ T6799] el0t_64_sync+0x1a0/0x1a4 [ 226.442070][ T6799] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.444357][ T6799] gfs2: fsid=}: error -17 adding sysfs files [ 226.721892][ T6802] loop1: detected capacity change from 0 to 32768 [ 226.726677][ T6802] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.727861][ T6802] CPU: 1 PID: 6802 Comm: syz.1.626 Not tainted syzkaller #0 [ 226.729076][ T6802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 226.730721][ T6802] Call trace: [ 226.731254][ T6802] dump_backtrace+0x0/0x458 [ 226.731978][ T6802] show_stack+0x2c/0x3c [ 226.732584][ T6802] __dump_stack+0x30/0x40 [ 226.733261][ T6802] dump_stack_lvl+0xf4/0x15c [ 226.733950][ T6802] dump_stack+0x1c/0x5c [ 226.734760][ T6802] sysfs_create_dir_ns+0x244/0x264 [ 226.735567][ T6802] kobject_add_internal+0x5ac/0xc3c [ 226.736377][ T6802] kobject_init_and_add+0x124/0x190 [ 226.737178][ T6802] gfs2_sys_fs_add+0x200/0x41c [ 226.737950][ T6802] gfs2_fill_super+0xddc/0x1a18 [ 226.738628][ T6802] get_tree_bdev+0x358/0x544 [ 226.739403][ T6802] gfs2_get_tree+0x54/0x1b4 [ 226.740159][ T6802] vfs_get_tree+0x90/0x274 [ 226.740783][ T6802] do_new_mount+0x228/0x810 [ 226.741463][ T6802] path_mount+0x5bc/0x1008 [ 226.742191][ T6802] __arm64_sys_mount+0x514/0x5f0 [ 226.743016][ T6802] invoke_syscall+0x98/0x2b0 [ 226.743775][ T6802] el0_svc_common+0x138/0x258 [ 226.744579][ T6802] do_el0_svc+0x58/0x13c [ 226.745371][ T6802] el0_svc+0x78/0x1d0 [ 226.746055][ T6802] el0t_64_sync_handler+0xcc/0xe4 [ 226.746923][ T6802] el0t_64_sync+0x1a0/0x1a4 [ 226.749557][ T6802] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.751620][ T6802] gfs2: fsid=}: error -17 adding sysfs files [ 226.825119][ T4071] Bluetooth: hci2: command 0x041b tx timeout [ 226.991690][ T6805] loop1: detected capacity change from 0 to 32768 [ 227.033278][ T6805] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.034435][ T6805] CPU: 0 PID: 6805 Comm: syz.1.627 Not tainted syzkaller #0 [ 227.035582][ T6805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 227.037139][ T6805] Call trace: [ 227.037685][ T6805] dump_backtrace+0x0/0x458 [ 227.038365][ T6805] show_stack+0x2c/0x3c [ 227.039051][ T6805] __dump_stack+0x30/0x40 [ 227.039760][ T6805] dump_stack_lvl+0xf4/0x15c [ 227.040524][ T6805] dump_stack+0x1c/0x5c [ 227.041131][ T6805] sysfs_create_dir_ns+0x244/0x264 [ 227.041996][ T6805] kobject_add_internal+0x5ac/0xc3c [ 227.042805][ T6805] kobject_init_and_add+0x124/0x190 [ 227.043624][ T6805] gfs2_sys_fs_add+0x200/0x41c [ 227.044312][ T6805] gfs2_fill_super+0xddc/0x1a18 [ 227.045044][ T6805] get_tree_bdev+0x358/0x544 [ 227.045669][ T6805] gfs2_get_tree+0x54/0x1b4 [ 227.046403][ T6805] vfs_get_tree+0x90/0x274 [ 227.047102][ T6805] do_new_mount+0x228/0x810 [ 227.047782][ T6805] path_mount+0x5bc/0x1008 [ 227.048467][ T6805] __arm64_sys_mount+0x514/0x5f0 [ 227.049202][ T6805] invoke_syscall+0x98/0x2b0 [ 227.049867][ T6805] el0_svc_common+0x138/0x258 [ 227.050550][ T6805] do_el0_svc+0x58/0x13c [ 227.051196][ T6805] el0_svc+0x78/0x1d0 [ 227.051821][ T6805] el0t_64_sync_handler+0xcc/0xe4 [ 227.052533][ T6805] el0t_64_sync+0x1a0/0x1a4 [ 227.055231][ T6805] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.057147][ T6805] gfs2: fsid=}: error -17 adding sysfs files [ 227.207002][ T6808] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.208076][ T6808] CPU: 0 PID: 6808 Comm: syz.1.628 Not tainted syzkaller #0 [ 227.209215][ T6808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 227.210794][ T6808] Call trace: [ 227.211317][ T6808] dump_backtrace+0x0/0x458 [ 227.211977][ T6808] show_stack+0x2c/0x3c [ 227.212605][ T6808] __dump_stack+0x30/0x40 [ 227.213242][ T6808] dump_stack_lvl+0xf4/0x15c [ 227.213984][ T6808] dump_stack+0x1c/0x5c [ 227.214667][ T6808] sysfs_create_dir_ns+0x244/0x264 [ 227.215510][ T6808] kobject_add_internal+0x5ac/0xc3c [ 227.216330][ T6808] kobject_init_and_add+0x124/0x190 [ 227.217085][ T6808] gfs2_sys_fs_add+0x200/0x41c [ 227.217867][ T6808] gfs2_fill_super+0xddc/0x1a18 [ 227.218543][ T6808] get_tree_bdev+0x358/0x544 [ 227.219248][ T6808] gfs2_get_tree+0x54/0x1b4 [ 227.220042][ T6808] vfs_get_tree+0x90/0x274 [ 227.220702][ T6808] do_new_mount+0x228/0x810 [ 227.221375][ T6808] path_mount+0x5bc/0x1008 [ 227.222164][ T6808] __arm64_sys_mount+0x514/0x5f0 [ 227.222987][ T6808] invoke_syscall+0x98/0x2b0 [ 227.223722][ T6808] el0_svc_common+0x138/0x258 [ 227.224489][ T6808] do_el0_svc+0x58/0x13c [ 227.225161][ T6808] el0_svc+0x78/0x1d0 [ 227.225807][ T6808] el0t_64_sync_handler+0xcc/0xe4 [ 227.226635][ T6808] el0t_64_sync+0x1a0/0x1a4 [ 227.230667][ T6808] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.232818][ T6808] gfs2: fsid=}: error -17 adding sysfs files [ 227.474808][ T6811] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.476069][ T6811] CPU: 1 PID: 6811 Comm: syz.1.629 Not tainted syzkaller #0 [ 227.477293][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 227.478808][ T6811] Call trace: [ 227.479303][ T6811] dump_backtrace+0x0/0x458 [ 227.480026][ T6811] show_stack+0x2c/0x3c [ 227.480707][ T6811] __dump_stack+0x30/0x40 [ 227.481420][ T6811] dump_stack_lvl+0xf4/0x15c [ 227.482189][ T6811] dump_stack+0x1c/0x5c [ 227.482819][ T6811] sysfs_create_dir_ns+0x244/0x264 [ 227.483569][ T6811] kobject_add_internal+0x5ac/0xc3c [ 227.484389][ T6811] kobject_init_and_add+0x124/0x190 [ 227.485249][ T6811] gfs2_sys_fs_add+0x200/0x41c [ 227.485985][ T6811] gfs2_fill_super+0xddc/0x1a18 [ 227.486728][ T6811] get_tree_bdev+0x358/0x544 [ 227.487572][ T6811] gfs2_get_tree+0x54/0x1b4 [ 227.488177][ T6811] vfs_get_tree+0x90/0x274 [ 227.488880][ T6811] do_new_mount+0x228/0x810 [ 227.489494][ T6811] path_mount+0x5bc/0x1008 [ 227.490222][ T6811] __arm64_sys_mount+0x514/0x5f0 [ 227.491023][ T6811] invoke_syscall+0x98/0x2b0 [ 227.491634][ T6811] el0_svc_common+0x138/0x258 [ 227.492264][ T6811] do_el0_svc+0x58/0x13c [ 227.492948][ T6811] el0_svc+0x78/0x1d0 [ 227.493568][ T6811] el0t_64_sync_handler+0xcc/0xe4 [ 227.494308][ T6811] el0t_64_sync+0x1a0/0x1a4 [ 227.495957][ T6811] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.497841][ T6811] gfs2: fsid=}: error -17 adding sysfs files [ 227.670501][ T6814] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.671682][ T6814] CPU: 1 PID: 6814 Comm: syz.1.630 Not tainted syzkaller #0 [ 227.672811][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 227.674297][ T6814] Call trace: [ 227.674805][ T6814] dump_backtrace+0x0/0x458 [ 227.675469][ T6814] show_stack+0x2c/0x3c [ 227.676113][ T6814] __dump_stack+0x30/0x40 [ 227.676803][ T6814] dump_stack_lvl+0xf4/0x15c [ 227.677552][ T6814] dump_stack+0x1c/0x5c [ 227.678226][ T6814] sysfs_create_dir_ns+0x244/0x264 [ 227.679034][ T6814] kobject_add_internal+0x5ac/0xc3c [ 227.679914][ T6814] kobject_init_and_add+0x124/0x190 [ 227.680812][ T6814] gfs2_sys_fs_add+0x200/0x41c [ 227.681637][ T6814] gfs2_fill_super+0xddc/0x1a18 [ 227.682392][ T6814] get_tree_bdev+0x358/0x544 [ 227.683083][ T6814] gfs2_get_tree+0x54/0x1b4 [ 227.683737][ T6814] vfs_get_tree+0x90/0x274 [ 227.684464][ T6814] do_new_mount+0x228/0x810 [ 227.685170][ T6814] path_mount+0x5bc/0x1008 [ 227.685922][ T6814] __arm64_sys_mount+0x514/0x5f0 [ 227.686725][ T6814] invoke_syscall+0x98/0x2b0 [ 227.687499][ T6814] el0_svc_common+0x138/0x258 [ 227.688276][ T6814] do_el0_svc+0x58/0x13c [ 227.688918][ T6814] el0_svc+0x78/0x1d0 [ 227.689456][ T6814] el0t_64_sync_handler+0xcc/0xe4 [ 227.690308][ T6814] el0t_64_sync+0x1a0/0x1a4 [ 227.691202][ T6814] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.693412][ T6814] gfs2: fsid=}: error -17 adding sysfs files [ 227.865219][ T6817] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.866368][ T6817] CPU: 0 PID: 6817 Comm: syz.1.631 Not tainted syzkaller #0 [ 227.867513][ T6817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 227.869039][ T6817] Call trace: [ 227.869588][ T6817] dump_backtrace+0x0/0x458 [ 227.870347][ T6817] show_stack+0x2c/0x3c [ 227.871038][ T6817] __dump_stack+0x30/0x40 [ 227.871750][ T6817] dump_stack_lvl+0xf4/0x15c [ 227.872548][ T6817] dump_stack+0x1c/0x5c [ 227.873200][ T6817] sysfs_create_dir_ns+0x244/0x264 [ 227.874024][ T6817] kobject_add_internal+0x5ac/0xc3c [ 227.874863][ T6817] kobject_init_and_add+0x124/0x190 [ 227.875741][ T6817] gfs2_sys_fs_add+0x200/0x41c [ 227.876478][ T6817] gfs2_fill_super+0xddc/0x1a18 [ 227.877244][ T6817] get_tree_bdev+0x358/0x544 [ 227.878026][ T6817] gfs2_get_tree+0x54/0x1b4 [ 227.878761][ T6817] vfs_get_tree+0x90/0x274 [ 227.879577][ T6817] do_new_mount+0x228/0x810 [ 227.880278][ T6817] path_mount+0x5bc/0x1008 [ 227.881017][ T6817] __arm64_sys_mount+0x514/0x5f0 [ 227.881768][ T6817] invoke_syscall+0x98/0x2b0 [ 227.882524][ T6817] el0_svc_common+0x138/0x258 [ 227.883329][ T6817] do_el0_svc+0x58/0x13c [ 227.884037][ T6817] el0_svc+0x78/0x1d0 [ 227.884720][ T6817] el0t_64_sync_handler+0xcc/0xe4 [ 227.885613][ T6817] el0t_64_sync+0x1a0/0x1a4 [ 227.888046][ T6817] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.889920][ T6817] gfs2: fsid=}: error -17 adding sysfs files [ 228.040894][ T6820] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.041934][ T6820] CPU: 0 PID: 6820 Comm: syz.1.632 Not tainted syzkaller #0 [ 228.043150][ T6820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 228.044737][ T6820] Call trace: [ 228.045245][ T6820] dump_backtrace+0x0/0x458 [ 228.045969][ T6820] show_stack+0x2c/0x3c [ 228.046655][ T6820] __dump_stack+0x30/0x40 [ 228.047353][ T6820] dump_stack_lvl+0xf4/0x15c [ 228.048166][ T6820] dump_stack+0x1c/0x5c [ 228.048821][ T6820] sysfs_create_dir_ns+0x244/0x264 [ 228.049670][ T6820] kobject_add_internal+0x5ac/0xc3c [ 228.050549][ T6820] kobject_init_and_add+0x124/0x190 [ 228.051371][ T6820] gfs2_sys_fs_add+0x200/0x41c [ 228.052102][ T6820] gfs2_fill_super+0xddc/0x1a18 [ 228.052834][ T6820] get_tree_bdev+0x358/0x544 [ 228.053577][ T6820] gfs2_get_tree+0x54/0x1b4 [ 228.054302][ T6820] vfs_get_tree+0x90/0x274 [ 228.054943][ T6820] do_new_mount+0x228/0x810 [ 228.055703][ T6820] path_mount+0x5bc/0x1008 [ 228.056474][ T6820] __arm64_sys_mount+0x514/0x5f0 [ 228.057243][ T6820] invoke_syscall+0x98/0x2b0 [ 228.057977][ T6820] el0_svc_common+0x138/0x258 [ 228.058761][ T6820] do_el0_svc+0x58/0x13c [ 228.059506][ T6820] el0_svc+0x78/0x1d0 [ 228.060161][ T6820] el0t_64_sync_handler+0xcc/0xe4 [ 228.060980][ T6820] el0t_64_sync+0x1a0/0x1a4 [ 228.065244][ T6820] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.067194][ T6820] gfs2: fsid=}: error -17 adding sysfs files [ 228.244676][ T6823] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.245841][ T6823] CPU: 1 PID: 6823 Comm: syz.1.633 Not tainted syzkaller #0 [ 228.247051][ T6823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 228.248622][ T6823] Call trace: [ 228.249115][ T6823] dump_backtrace+0x0/0x458 [ 228.249847][ T6823] show_stack+0x2c/0x3c [ 228.250542][ T6823] __dump_stack+0x30/0x40 [ 228.251259][ T6823] dump_stack_lvl+0xf4/0x15c [ 228.251986][ T6823] dump_stack+0x1c/0x5c [ 228.252619][ T6823] sysfs_create_dir_ns+0x244/0x264 [ 228.253398][ T6823] kobject_add_internal+0x5ac/0xc3c [ 228.254367][ T6823] kobject_init_and_add+0x124/0x190 [ 228.255225][ T6823] gfs2_sys_fs_add+0x200/0x41c [ 228.256033][ T6823] gfs2_fill_super+0xddc/0x1a18 [ 228.256831][ T6823] get_tree_bdev+0x358/0x544 [ 228.257600][ T6823] gfs2_get_tree+0x54/0x1b4 [ 228.258288][ T6823] vfs_get_tree+0x90/0x274 [ 228.258965][ T6823] do_new_mount+0x228/0x810 [ 228.259711][ T6823] path_mount+0x5bc/0x1008 [ 228.260402][ T6823] __arm64_sys_mount+0x514/0x5f0 [ 228.261127][ T6823] invoke_syscall+0x98/0x2b0 [ 228.261823][ T6823] el0_svc_common+0x138/0x258 [ 228.262598][ T6823] do_el0_svc+0x58/0x13c [ 228.263253][ T6823] el0_svc+0x78/0x1d0 [ 228.263882][ T6823] el0t_64_sync_handler+0xcc/0xe4 [ 228.264691][ T6823] el0t_64_sync+0x1a0/0x1a4 [ 228.265800][ T6823] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.267574][ T6823] gfs2: fsid=}: error -17 adding sysfs files [ 228.509991][ T6826] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.511239][ T6826] CPU: 1 PID: 6826 Comm: syz.1.634 Not tainted syzkaller #0 [ 228.512455][ T6826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 228.514175][ T6826] Call trace: [ 228.514713][ T6826] dump_backtrace+0x0/0x458 [ 228.515471][ T6826] show_stack+0x2c/0x3c [ 228.516178][ T6826] __dump_stack+0x30/0x40 [ 228.516867][ T6826] dump_stack_lvl+0xf4/0x15c [ 228.517627][ T6826] dump_stack+0x1c/0x5c [ 228.518344][ T6826] sysfs_create_dir_ns+0x244/0x264 [ 228.519244][ T6826] kobject_add_internal+0x5ac/0xc3c [ 228.520083][ T6826] kobject_init_and_add+0x124/0x190 [ 228.520890][ T6826] gfs2_sys_fs_add+0x200/0x41c [ 228.521664][ T6826] gfs2_fill_super+0xddc/0x1a18 [ 228.522477][ T6826] get_tree_bdev+0x358/0x544 [ 228.523220][ T6826] gfs2_get_tree+0x54/0x1b4 [ 228.523929][ T6826] vfs_get_tree+0x90/0x274 [ 228.524548][ T6826] do_new_mount+0x228/0x810 [ 228.525186][ T6826] path_mount+0x5bc/0x1008 [ 228.525955][ T6826] __arm64_sys_mount+0x514/0x5f0 [ 228.526740][ T6826] invoke_syscall+0x98/0x2b0 [ 228.527527][ T6826] el0_svc_common+0x138/0x258 [ 228.528271][ T6826] do_el0_svc+0x58/0x13c [ 228.528969][ T6826] el0_svc+0x78/0x1d0 [ 228.529653][ T6826] el0t_64_sync_handler+0xcc/0xe4 [ 228.530502][ T6826] el0t_64_sync+0x1a0/0x1a4 [ 228.531859][ T6826] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.533899][ T6826] gfs2: fsid=}: error -17 adding sysfs files [ 228.708528][ T6829] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.709690][ T6829] CPU: 1 PID: 6829 Comm: syz.1.635 Not tainted syzkaller #0 [ 228.710841][ T6829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 228.712399][ T6829] Call trace: [ 228.712905][ T6829] dump_backtrace+0x0/0x458 [ 228.713627][ T6829] show_stack+0x2c/0x3c [ 228.714248][ T6829] __dump_stack+0x30/0x40 [ 228.714929][ T6829] dump_stack_lvl+0xf4/0x15c [ 228.715626][ T6829] dump_stack+0x1c/0x5c [ 228.716291][ T6829] sysfs_create_dir_ns+0x244/0x264 [ 228.717140][ T6829] kobject_add_internal+0x5ac/0xc3c [ 228.717953][ T6829] kobject_init_and_add+0x124/0x190 [ 228.718736][ T6829] gfs2_sys_fs_add+0x200/0x41c [ 228.719388][ T6829] gfs2_fill_super+0xddc/0x1a18 [ 228.720134][ T6829] get_tree_bdev+0x358/0x544 [ 228.720813][ T6829] gfs2_get_tree+0x54/0x1b4 [ 228.721444][ T6829] vfs_get_tree+0x90/0x274 [ 228.722068][ T6829] do_new_mount+0x228/0x810 [ 228.722755][ T6829] path_mount+0x5bc/0x1008 [ 228.723360][ T6829] __arm64_sys_mount+0x514/0x5f0 [ 228.724072][ T6829] invoke_syscall+0x98/0x2b0 [ 228.724725][ T6829] el0_svc_common+0x138/0x258 [ 228.725587][ T6829] do_el0_svc+0x58/0x13c [ 228.726232][ T6829] el0_svc+0x78/0x1d0 [ 228.726904][ T6829] el0t_64_sync_handler+0xcc/0xe4 [ 228.727714][ T6829] el0t_64_sync+0x1a0/0x1a4 [ 228.730383][ T6829] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.732388][ T6829] gfs2: fsid=}: error -17 adding sysfs files [ 228.880725][ T6832] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.881842][ T6832] CPU: 0 PID: 6832 Comm: syz.1.636 Not tainted syzkaller #0 [ 228.883070][ T6832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 228.884636][ T6832] Call trace: [ 228.885141][ T6832] dump_backtrace+0x0/0x458 [ 228.885896][ T6832] show_stack+0x2c/0x3c [ 228.886562][ T6832] __dump_stack+0x30/0x40 [ 228.887263][ T6832] dump_stack_lvl+0xf4/0x15c [ 228.888035][ T6832] dump_stack+0x1c/0x5c [ 228.888714][ T6832] sysfs_create_dir_ns+0x244/0x264 [ 228.889565][ T6832] kobject_add_internal+0x5ac/0xc3c [ 228.890459][ T6832] kobject_init_and_add+0x124/0x190 [ 228.891340][ T6832] gfs2_sys_fs_add+0x200/0x41c [ 228.892142][ T6832] gfs2_fill_super+0xddc/0x1a18 [ 228.892949][ T6832] get_tree_bdev+0x358/0x544 [ 228.893713][ T6832] gfs2_get_tree+0x54/0x1b4 [ 228.894417][ T6832] vfs_get_tree+0x90/0x274 [ 228.895183][ T6832] do_new_mount+0x228/0x810 [ 228.895954][ T6832] path_mount+0x5bc/0x1008 [ 228.896696][ T6832] __arm64_sys_mount+0x514/0x5f0 [ 228.897527][ T6832] invoke_syscall+0x98/0x2b0 [ 228.898269][ T6832] el0_svc_common+0x138/0x258 [ 228.898963][ T6832] do_el0_svc+0x58/0x13c [ 228.899572][ T6832] el0_svc+0x78/0x1d0 [ 228.900163][ T6832] el0t_64_sync_handler+0xcc/0xe4 [ 228.900901][ T6832] el0t_64_sync+0x1a0/0x1a4 [ 228.902183][ T6832] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.903337][ T4071] Bluetooth: hci2: command 0x040f tx timeout [ 228.905112][ T6832] gfs2: fsid=}: error -17 adding sysfs files [ 229.115191][ T6835] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.116401][ T6835] CPU: 1 PID: 6835 Comm: syz.1.637 Not tainted syzkaller #0 [ 229.117466][ T6835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 229.119086][ T6835] Call trace: [ 229.119632][ T6835] dump_backtrace+0x0/0x458 [ 229.120406][ T6835] show_stack+0x2c/0x3c [ 229.121102][ T6835] __dump_stack+0x30/0x40 [ 229.121894][ T6835] dump_stack_lvl+0xf4/0x15c [ 229.122650][ T6835] dump_stack+0x1c/0x5c [ 229.123383][ T6835] sysfs_create_dir_ns+0x244/0x264 [ 229.124235][ T6835] kobject_add_internal+0x5ac/0xc3c [ 229.124999][ T6835] kobject_init_and_add+0x124/0x190 [ 229.125859][ T6835] gfs2_sys_fs_add+0x200/0x41c [ 229.126687][ T6835] gfs2_fill_super+0xddc/0x1a18 [ 229.127509][ T6835] get_tree_bdev+0x358/0x544 [ 229.128286][ T6835] gfs2_get_tree+0x54/0x1b4 [ 229.129020][ T6835] vfs_get_tree+0x90/0x274 [ 229.129685][ T6835] do_new_mount+0x228/0x810 [ 229.130431][ T6835] path_mount+0x5bc/0x1008 [ 229.131158][ T6835] __arm64_sys_mount+0x514/0x5f0 [ 229.131963][ T6835] invoke_syscall+0x98/0x2b0 [ 229.132743][ T6835] el0_svc_common+0x138/0x258 [ 229.133493][ T6835] do_el0_svc+0x58/0x13c [ 229.134194][ T6835] el0_svc+0x78/0x1d0 [ 229.134803][ T6835] el0t_64_sync_handler+0xcc/0xe4 [ 229.135580][ T6835] el0t_64_sync+0x1a0/0x1a4 [ 229.137815][ T6835] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.139853][ T6835] gfs2: fsid=}: error -17 adding sysfs files [ 229.328135][ T6838] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.329282][ T6838] CPU: 1 PID: 6838 Comm: syz.1.638 Not tainted syzkaller #0 [ 229.330404][ T6838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 229.331887][ T6838] Call trace: [ 229.332388][ T6838] dump_backtrace+0x0/0x458 [ 229.333122][ T6838] show_stack+0x2c/0x3c [ 229.333752][ T6838] __dump_stack+0x30/0x40 [ 229.334457][ T6838] dump_stack_lvl+0xf4/0x15c [ 229.335223][ T6838] dump_stack+0x1c/0x5c [ 229.335897][ T6838] sysfs_create_dir_ns+0x244/0x264 [ 229.336663][ T6838] kobject_add_internal+0x5ac/0xc3c [ 229.337558][ T6838] kobject_init_and_add+0x124/0x190 [ 229.338407][ T6838] gfs2_sys_fs_add+0x200/0x41c [ 229.339231][ T6838] gfs2_fill_super+0xddc/0x1a18 [ 229.340073][ T6838] get_tree_bdev+0x358/0x544 [ 229.340833][ T6838] gfs2_get_tree+0x54/0x1b4 [ 229.341564][ T6838] vfs_get_tree+0x90/0x274 [ 229.342265][ T6838] do_new_mount+0x228/0x810 [ 229.342927][ T6838] path_mount+0x5bc/0x1008 [ 229.343581][ T6838] __arm64_sys_mount+0x514/0x5f0 [ 229.344331][ T6838] invoke_syscall+0x98/0x2b0 [ 229.345052][ T6838] el0_svc_common+0x138/0x258 [ 229.345784][ T6838] do_el0_svc+0x58/0x13c [ 229.346365][ T6838] el0_svc+0x78/0x1d0 [ 229.346943][ T6838] el0t_64_sync_handler+0xcc/0xe4 [ 229.347770][ T6838] el0t_64_sync+0x1a0/0x1a4 [ 229.350051][ T6838] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.351999][ T6838] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:49 executed programs: 625 [ 229.493800][ T6841] set_capacity_and_notify: 11 callbacks suppressed [ 229.493811][ T6841] loop1: detected capacity change from 0 to 32768 [ 229.503615][ T6841] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.504823][ T6841] CPU: 1 PID: 6841 Comm: syz.1.639 Not tainted syzkaller #0 [ 229.505912][ T6841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 229.507645][ T6841] Call trace: [ 229.508191][ T6841] dump_backtrace+0x0/0x458 [ 229.508970][ T6841] show_stack+0x2c/0x3c [ 229.509592][ T6841] __dump_stack+0x30/0x40 [ 229.510278][ T6841] dump_stack_lvl+0xf4/0x15c [ 229.511059][ T6841] dump_stack+0x1c/0x5c [ 229.511703][ T6841] sysfs_create_dir_ns+0x244/0x264 [ 229.512591][ T6841] kobject_add_internal+0x5ac/0xc3c [ 229.513445][ T6841] kobject_init_and_add+0x124/0x190 [ 229.514307][ T6841] gfs2_sys_fs_add+0x200/0x41c [ 229.515021][ T6841] gfs2_fill_super+0xddc/0x1a18 [ 229.515845][ T6841] get_tree_bdev+0x358/0x544 [ 229.516568][ T6841] gfs2_get_tree+0x54/0x1b4 [ 229.517345][ T6841] vfs_get_tree+0x90/0x274 [ 229.518042][ T6841] do_new_mount+0x228/0x810 [ 229.518751][ T6841] path_mount+0x5bc/0x1008 [ 229.519478][ T6841] __arm64_sys_mount+0x514/0x5f0 [ 229.520320][ T6841] invoke_syscall+0x98/0x2b0 [ 229.521102][ T6841] el0_svc_common+0x138/0x258 [ 229.521889][ T6841] do_el0_svc+0x58/0x13c [ 229.522598][ T6841] el0_svc+0x78/0x1d0 [ 229.523217][ T6841] el0t_64_sync_handler+0xcc/0xe4 [ 229.523963][ T6841] el0t_64_sync+0x1a0/0x1a4 [ 229.527314][ T6841] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.529327][ T6841] gfs2: fsid=}: error -17 adding sysfs files [ 229.670713][ T6844] loop1: detected capacity change from 0 to 32768 [ 229.679702][ T6844] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.680928][ T6844] CPU: 0 PID: 6844 Comm: syz.1.640 Not tainted syzkaller #0 [ 229.682158][ T6844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 229.683777][ T6844] Call trace: [ 229.684303][ T6844] dump_backtrace+0x0/0x458 [ 229.685006][ T6844] show_stack+0x2c/0x3c [ 229.685655][ T6844] __dump_stack+0x30/0x40 [ 229.686387][ T6844] dump_stack_lvl+0xf4/0x15c [ 229.687132][ T6844] dump_stack+0x1c/0x5c [ 229.687851][ T6844] sysfs_create_dir_ns+0x244/0x264 [ 229.688643][ T6844] kobject_add_internal+0x5ac/0xc3c [ 229.689435][ T6844] kobject_init_and_add+0x124/0x190 [ 229.690285][ T6844] gfs2_sys_fs_add+0x200/0x41c [ 229.691087][ T6844] gfs2_fill_super+0xddc/0x1a18 [ 229.691926][ T6844] get_tree_bdev+0x358/0x544 [ 229.692622][ T6844] gfs2_get_tree+0x54/0x1b4 [ 229.693429][ T6844] vfs_get_tree+0x90/0x274 [ 229.694156][ T6844] do_new_mount+0x228/0x810 [ 229.694866][ T6844] path_mount+0x5bc/0x1008 [ 229.695571][ T6844] __arm64_sys_mount+0x514/0x5f0 [ 229.696411][ T6844] invoke_syscall+0x98/0x2b0 [ 229.697128][ T6844] el0_svc_common+0x138/0x258 [ 229.697961][ T6844] do_el0_svc+0x58/0x13c [ 229.698601][ T6844] el0_svc+0x78/0x1d0 [ 229.699208][ T6844] el0t_64_sync_handler+0xcc/0xe4 [ 229.700000][ T6844] el0t_64_sync+0x1a0/0x1a4 [ 229.703894][ T6844] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.705826][ T6844] gfs2: fsid=}: error -17 adding sysfs files [ 229.844501][ T6847] loop1: detected capacity change from 0 to 32768 [ 229.888960][ T6847] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.890114][ T6847] CPU: 0 PID: 6847 Comm: syz.1.641 Not tainted syzkaller #0 [ 229.891332][ T6847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 229.892871][ T6847] Call trace: [ 229.893410][ T6847] dump_backtrace+0x0/0x458 [ 229.894141][ T6847] show_stack+0x2c/0x3c [ 229.894786][ T6847] __dump_stack+0x30/0x40 [ 229.895456][ T6847] dump_stack_lvl+0xf4/0x15c [ 229.896177][ T6847] dump_stack+0x1c/0x5c [ 229.896878][ T6847] sysfs_create_dir_ns+0x244/0x264 [ 229.897738][ T6847] kobject_add_internal+0x5ac/0xc3c [ 229.898683][ T6847] kobject_init_and_add+0x124/0x190 [ 229.899640][ T6847] gfs2_sys_fs_add+0x200/0x41c [ 229.900447][ T6847] gfs2_fill_super+0xddc/0x1a18 [ 229.901266][ T6847] get_tree_bdev+0x358/0x544 [ 229.902028][ T6847] gfs2_get_tree+0x54/0x1b4 [ 229.902832][ T6847] vfs_get_tree+0x90/0x274 [ 229.903554][ T6847] do_new_mount+0x228/0x810 [ 229.904258][ T6847] path_mount+0x5bc/0x1008 [ 229.904904][ T6847] __arm64_sys_mount+0x514/0x5f0 [ 229.905727][ T6847] invoke_syscall+0x98/0x2b0 [ 229.906503][ T6847] el0_svc_common+0x138/0x258 [ 229.907246][ T6847] do_el0_svc+0x58/0x13c [ 229.908001][ T6847] el0_svc+0x78/0x1d0 [ 229.908696][ T6847] el0t_64_sync_handler+0xcc/0xe4 [ 229.909519][ T6847] el0t_64_sync+0x1a0/0x1a4 [ 229.912070][ T6847] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.914331][ T6847] gfs2: fsid=}: error -17 adding sysfs files [ 230.057211][ T6850] loop1: detected capacity change from 0 to 32768 [ 230.065646][ T6850] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.066667][ T6850] CPU: 1 PID: 6850 Comm: syz.1.642 Not tainted syzkaller #0 [ 230.067809][ T6850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 230.069336][ T6850] Call trace: [ 230.069840][ T6850] dump_backtrace+0x0/0x458 [ 230.070574][ T6850] show_stack+0x2c/0x3c [ 230.071262][ T6850] __dump_stack+0x30/0x40 [ 230.071987][ T6850] dump_stack_lvl+0xf4/0x15c [ 230.072737][ T6850] dump_stack+0x1c/0x5c [ 230.073648][ T6850] sysfs_create_dir_ns+0x244/0x264 [ 230.074582][ T6850] kobject_add_internal+0x5ac/0xc3c [ 230.075520][ T6850] kobject_init_and_add+0x124/0x190 [ 230.076378][ T6850] gfs2_sys_fs_add+0x200/0x41c [ 230.077150][ T6850] gfs2_fill_super+0xddc/0x1a18 [ 230.077946][ T6850] get_tree_bdev+0x358/0x544 [ 230.078809][ T6850] gfs2_get_tree+0x54/0x1b4 [ 230.079603][ T6850] vfs_get_tree+0x90/0x274 [ 230.080314][ T6850] do_new_mount+0x228/0x810 [ 230.081060][ T6850] path_mount+0x5bc/0x1008 [ 230.081786][ T6850] __arm64_sys_mount+0x514/0x5f0 [ 230.082594][ T6850] invoke_syscall+0x98/0x2b0 [ 230.083398][ T6850] el0_svc_common+0x138/0x258 [ 230.084168][ T6850] do_el0_svc+0x58/0x13c [ 230.084895][ T6850] el0_svc+0x78/0x1d0 [ 230.085594][ T6850] el0t_64_sync_handler+0xcc/0xe4 [ 230.086458][ T6850] el0t_64_sync+0x1a0/0x1a4 [ 230.087356][ T6850] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.089345][ T6850] gfs2: fsid=}: error -17 adding sysfs files [ 230.226958][ T6853] loop1: detected capacity change from 0 to 32768 [ 230.235491][ T6853] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.236711][ T6853] CPU: 1 PID: 6853 Comm: syz.1.643 Not tainted syzkaller #0 [ 230.237846][ T6853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 230.239298][ T6853] Call trace: [ 230.239773][ T6853] dump_backtrace+0x0/0x458 [ 230.240421][ T6853] show_stack+0x2c/0x3c [ 230.241003][ T6853] __dump_stack+0x30/0x40 [ 230.241627][ T6853] dump_stack_lvl+0xf4/0x15c [ 230.242364][ T6853] dump_stack+0x1c/0x5c [ 230.243042][ T6853] sysfs_create_dir_ns+0x244/0x264 [ 230.243862][ T6853] kobject_add_internal+0x5ac/0xc3c [ 230.244717][ T6853] kobject_init_and_add+0x124/0x190 [ 230.245597][ T6853] gfs2_sys_fs_add+0x200/0x41c [ 230.246368][ T6853] gfs2_fill_super+0xddc/0x1a18 [ 230.247145][ T6853] get_tree_bdev+0x358/0x544 [ 230.247918][ T6853] gfs2_get_tree+0x54/0x1b4 [ 230.248677][ T6853] vfs_get_tree+0x90/0x274 [ 230.249352][ T6853] do_new_mount+0x228/0x810 [ 230.250097][ T6853] path_mount+0x5bc/0x1008 [ 230.250719][ T6853] __arm64_sys_mount+0x514/0x5f0 [ 230.251465][ T6853] invoke_syscall+0x98/0x2b0 [ 230.252182][ T6853] el0_svc_common+0x138/0x258 [ 230.253020][ T6853] do_el0_svc+0x58/0x13c [ 230.253663][ T6853] el0_svc+0x78/0x1d0 [ 230.254291][ T6853] el0t_64_sync_handler+0xcc/0xe4 [ 230.255072][ T6853] el0t_64_sync+0x1a0/0x1a4 [ 230.257341][ T6853] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.259156][ T6853] gfs2: fsid=}: error -17 adding sysfs files [ 230.454437][ T6856] loop1: detected capacity change from 0 to 32768 [ 230.514802][ T6856] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.516757][ T6856] CPU: 1 PID: 6856 Comm: syz.1.644 Not tainted syzkaller #0 [ 230.517912][ T6856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 230.519408][ T6856] Call trace: [ 230.519920][ T6856] dump_backtrace+0x0/0x458 [ 230.520643][ T6856] show_stack+0x2c/0x3c [ 230.521330][ T6856] __dump_stack+0x30/0x40 [ 230.522068][ T6856] dump_stack_lvl+0xf4/0x15c [ 230.522809][ T6856] dump_stack+0x1c/0x5c [ 230.523471][ T6856] sysfs_create_dir_ns+0x244/0x264 [ 230.524312][ T6856] kobject_add_internal+0x5ac/0xc3c [ 230.525110][ T6856] kobject_init_and_add+0x124/0x190 [ 230.526056][ T6856] gfs2_sys_fs_add+0x200/0x41c [ 230.526828][ T6856] gfs2_fill_super+0xddc/0x1a18 [ 230.527666][ T6856] get_tree_bdev+0x358/0x544 [ 230.528457][ T6856] gfs2_get_tree+0x54/0x1b4 [ 230.529198][ T6856] vfs_get_tree+0x90/0x274 [ 230.529916][ T6856] do_new_mount+0x228/0x810 [ 230.530632][ T6856] path_mount+0x5bc/0x1008 [ 230.531299][ T6856] __arm64_sys_mount+0x514/0x5f0 [ 230.532073][ T6856] invoke_syscall+0x98/0x2b0 [ 230.532791][ T6856] el0_svc_common+0x138/0x258 [ 230.533498][ T6856] do_el0_svc+0x58/0x13c [ 230.534156][ T6856] el0_svc+0x78/0x1d0 [ 230.534787][ T6856] el0t_64_sync_handler+0xcc/0xe4 [ 230.535630][ T6856] el0t_64_sync+0x1a0/0x1a4 [ 230.538209][ T6856] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.540252][ T6856] gfs2: fsid=}: error -17 adding sysfs files [ 230.678928][ T6859] loop1: detected capacity change from 0 to 32768 [ 230.687100][ T6859] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.688229][ T6859] CPU: 1 PID: 6859 Comm: syz.1.645 Not tainted syzkaller #0 [ 230.689392][ T6859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 230.690889][ T6859] Call trace: [ 230.691415][ T6859] dump_backtrace+0x0/0x458 [ 230.692112][ T6859] show_stack+0x2c/0x3c [ 230.692681][ T6859] __dump_stack+0x30/0x40 [ 230.693378][ T6859] dump_stack_lvl+0xf4/0x15c [ 230.694064][ T6859] dump_stack+0x1c/0x5c [ 230.694775][ T6859] sysfs_create_dir_ns+0x244/0x264 [ 230.695508][ T6859] kobject_add_internal+0x5ac/0xc3c [ 230.696201][ T6859] kobject_init_and_add+0x124/0x190 [ 230.697007][ T6859] gfs2_sys_fs_add+0x200/0x41c [ 230.697758][ T6859] gfs2_fill_super+0xddc/0x1a18 [ 230.698494][ T6859] get_tree_bdev+0x358/0x544 [ 230.699176][ T6859] gfs2_get_tree+0x54/0x1b4 [ 230.699866][ T6859] vfs_get_tree+0x90/0x274 [ 230.700575][ T6859] do_new_mount+0x228/0x810 [ 230.701322][ T6859] path_mount+0x5bc/0x1008 [ 230.702039][ T6859] __arm64_sys_mount+0x514/0x5f0 [ 230.702777][ T6859] invoke_syscall+0x98/0x2b0 [ 230.703504][ T6859] el0_svc_common+0x138/0x258 [ 230.704315][ T6859] do_el0_svc+0x58/0x13c [ 230.705059][ T6859] el0_svc+0x78/0x1d0 [ 230.705674][ T6859] el0t_64_sync_handler+0xcc/0xe4 [ 230.706497][ T6859] el0t_64_sync+0x1a0/0x1a4 [ 230.708998][ T6859] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.711029][ T6859] gfs2: fsid=}: error -17 adding sysfs files [ 230.855862][ T6862] loop1: detected capacity change from 0 to 32768 [ 230.860992][ T6862] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.862173][ T6862] CPU: 1 PID: 6862 Comm: syz.1.646 Not tainted syzkaller #0 [ 230.863302][ T6862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 230.864951][ T6862] Call trace: [ 230.865527][ T6862] dump_backtrace+0x0/0x458 [ 230.866225][ T6862] show_stack+0x2c/0x3c [ 230.866889][ T6862] __dump_stack+0x30/0x40 [ 230.867677][ T6862] dump_stack_lvl+0xf4/0x15c [ 230.868382][ T6862] dump_stack+0x1c/0x5c [ 230.869048][ T6862] sysfs_create_dir_ns+0x244/0x264 [ 230.869938][ T6862] kobject_add_internal+0x5ac/0xc3c [ 230.870806][ T6862] kobject_init_and_add+0x124/0x190 [ 230.871641][ T6862] gfs2_sys_fs_add+0x200/0x41c [ 230.872445][ T6862] gfs2_fill_super+0xddc/0x1a18 [ 230.873234][ T6862] get_tree_bdev+0x358/0x544 [ 230.873948][ T6862] gfs2_get_tree+0x54/0x1b4 [ 230.874652][ T6862] vfs_get_tree+0x90/0x274 [ 230.875317][ T6862] do_new_mount+0x228/0x810 [ 230.876066][ T6862] path_mount+0x5bc/0x1008 [ 230.876818][ T6862] __arm64_sys_mount+0x514/0x5f0 [ 230.877651][ T6862] invoke_syscall+0x98/0x2b0 [ 230.878420][ T6862] el0_svc_common+0x138/0x258 [ 230.879188][ T6862] do_el0_svc+0x58/0x13c [ 230.879896][ T6862] el0_svc+0x78/0x1d0 [ 230.880533][ T6862] el0t_64_sync_handler+0xcc/0xe4 [ 230.881336][ T6862] el0t_64_sync+0x1a0/0x1a4 [ 230.885186][ T6862] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.887244][ T6862] gfs2: fsid=}: error -17 adding sysfs files [ 230.983900][ T4071] Bluetooth: hci2: command 0x0419 tx timeout [ 231.027459][ T6865] loop1: detected capacity change from 0 to 32768 [ 231.075189][ T6865] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.076409][ T6865] CPU: 0 PID: 6865 Comm: syz.1.647 Not tainted syzkaller #0 [ 231.077563][ T6865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 231.079251][ T6865] Call trace: [ 231.079807][ T6865] dump_backtrace+0x0/0x458 [ 231.080534][ T6865] show_stack+0x2c/0x3c [ 231.081209][ T6865] __dump_stack+0x30/0x40 [ 231.081972][ T6865] dump_stack_lvl+0xf4/0x15c [ 231.082704][ T6865] dump_stack+0x1c/0x5c [ 231.083392][ T6865] sysfs_create_dir_ns+0x244/0x264 [ 231.084181][ T6865] kobject_add_internal+0x5ac/0xc3c [ 231.085056][ T6865] kobject_init_and_add+0x124/0x190 [ 231.085885][ T6865] gfs2_sys_fs_add+0x200/0x41c [ 231.086548][ T6865] gfs2_fill_super+0xddc/0x1a18 [ 231.087342][ T6865] get_tree_bdev+0x358/0x544 [ 231.088078][ T6865] gfs2_get_tree+0x54/0x1b4 [ 231.088805][ T6865] vfs_get_tree+0x90/0x274 [ 231.089438][ T6865] do_new_mount+0x228/0x810 [ 231.090191][ T6865] path_mount+0x5bc/0x1008 [ 231.090905][ T6865] __arm64_sys_mount+0x514/0x5f0 [ 231.091734][ T6865] invoke_syscall+0x98/0x2b0 [ 231.092472][ T6865] el0_svc_common+0x138/0x258 [ 231.093313][ T6865] do_el0_svc+0x58/0x13c [ 231.093987][ T6865] el0_svc+0x78/0x1d0 [ 231.094690][ T6865] el0t_64_sync_handler+0xcc/0xe4 [ 231.095564][ T6865] el0t_64_sync+0x1a0/0x1a4 [ 231.096421][ T6865] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.098269][ T6865] gfs2: fsid=}: error -17 adding sysfs files [ 231.292771][ T6868] loop1: detected capacity change from 0 to 32768 [ 231.343970][ T6868] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.345306][ T6868] CPU: 1 PID: 6868 Comm: syz.1.648 Not tainted syzkaller #0 [ 231.346457][ T6868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 231.348196][ T6868] Call trace: [ 231.348738][ T6868] dump_backtrace+0x0/0x458 [ 231.349379][ T6868] show_stack+0x2c/0x3c [ 231.349963][ T6868] __dump_stack+0x30/0x40 [ 231.350674][ T6868] dump_stack_lvl+0xf4/0x15c [ 231.351378][ T6868] dump_stack+0x1c/0x5c [ 231.352061][ T6868] sysfs_create_dir_ns+0x244/0x264 [ 231.352912][ T6868] kobject_add_internal+0x5ac/0xc3c [ 231.353711][ T6868] kobject_init_and_add+0x124/0x190 [ 231.354529][ T6868] gfs2_sys_fs_add+0x200/0x41c [ 231.355346][ T6868] gfs2_fill_super+0xddc/0x1a18 [ 231.356069][ T6868] get_tree_bdev+0x358/0x544 [ 231.356785][ T6868] gfs2_get_tree+0x54/0x1b4 [ 231.357543][ T6868] vfs_get_tree+0x90/0x274 [ 231.358216][ T6868] do_new_mount+0x228/0x810 [ 231.359011][ T6868] path_mount+0x5bc/0x1008 [ 231.359748][ T6868] __arm64_sys_mount+0x514/0x5f0 [ 231.360523][ T6868] invoke_syscall+0x98/0x2b0 [ 231.361283][ T6868] el0_svc_common+0x138/0x258 [ 231.362096][ T6868] do_el0_svc+0x58/0x13c [ 231.362912][ T6868] el0_svc+0x78/0x1d0 [ 231.363608][ T6868] el0t_64_sync_handler+0xcc/0xe4 [ 231.364440][ T6868] el0t_64_sync+0x1a0/0x1a4 [ 231.365675][ T6868] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.367688][ T6868] gfs2: fsid=}: error -17 adding sysfs files [ 231.514552][ T6871] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.515661][ T6871] CPU: 0 PID: 6871 Comm: syz.1.649 Not tainted syzkaller #0 [ 231.516762][ T6871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 231.518382][ T6871] Call trace: [ 231.518926][ T6871] dump_backtrace+0x0/0x458 [ 231.519591][ T6871] show_stack+0x2c/0x3c [ 231.520277][ T6871] __dump_stack+0x30/0x40 [ 231.520930][ T6871] dump_stack_lvl+0xf4/0x15c [ 231.521713][ T6871] dump_stack+0x1c/0x5c [ 231.522415][ T6871] sysfs_create_dir_ns+0x244/0x264 [ 231.523289][ T6871] kobject_add_internal+0x5ac/0xc3c [ 231.524145][ T6871] kobject_init_and_add+0x124/0x190 [ 231.524989][ T6871] gfs2_sys_fs_add+0x200/0x41c [ 231.525884][ T6871] gfs2_fill_super+0xddc/0x1a18 [ 231.526695][ T6871] get_tree_bdev+0x358/0x544 [ 231.527533][ T6871] gfs2_get_tree+0x54/0x1b4 [ 231.528281][ T6871] vfs_get_tree+0x90/0x274 [ 231.528976][ T6871] do_new_mount+0x228/0x810 [ 231.529691][ T6871] path_mount+0x5bc/0x1008 [ 231.530389][ T6871] __arm64_sys_mount+0x514/0x5f0 [ 231.531132][ T6871] invoke_syscall+0x98/0x2b0 [ 231.531876][ T6871] el0_svc_common+0x138/0x258 [ 231.532583][ T6871] do_el0_svc+0x58/0x13c [ 231.533242][ T6871] el0_svc+0x78/0x1d0 [ 231.533893][ T6871] el0t_64_sync_handler+0xcc/0xe4 [ 231.534651][ T6871] el0t_64_sync+0x1a0/0x1a4 [ 231.537094][ T6871] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.539114][ T6871] gfs2: fsid=}: error -17 adding sysfs files [ 231.779067][ T6874] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.780212][ T6874] CPU: 1 PID: 6874 Comm: syz.1.650 Not tainted syzkaller #0 [ 231.781396][ T6874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 231.783015][ T6874] Call trace: [ 231.783562][ T6874] dump_backtrace+0x0/0x458 [ 231.784310][ T6874] show_stack+0x2c/0x3c [ 231.784974][ T6874] __dump_stack+0x30/0x40 [ 231.785678][ T6874] dump_stack_lvl+0xf4/0x15c [ 231.786340][ T6874] dump_stack+0x1c/0x5c [ 231.787047][ T6874] sysfs_create_dir_ns+0x244/0x264 [ 231.787855][ T6874] kobject_add_internal+0x5ac/0xc3c [ 231.788705][ T6874] kobject_init_and_add+0x124/0x190 [ 231.789492][ T6874] gfs2_sys_fs_add+0x200/0x41c [ 231.790226][ T6874] gfs2_fill_super+0xddc/0x1a18 [ 231.790978][ T6874] get_tree_bdev+0x358/0x544 [ 231.791699][ T6874] gfs2_get_tree+0x54/0x1b4 [ 231.792382][ T6874] vfs_get_tree+0x90/0x274 [ 231.793105][ T6874] do_new_mount+0x228/0x810 [ 231.793825][ T6874] path_mount+0x5bc/0x1008 [ 231.794526][ T6874] __arm64_sys_mount+0x514/0x5f0 [ 231.795341][ T6874] invoke_syscall+0x98/0x2b0 [ 231.796045][ T6874] el0_svc_common+0x138/0x258 [ 231.796772][ T6874] do_el0_svc+0x58/0x13c [ 231.797510][ T6874] el0_svc+0x78/0x1d0 [ 231.798115][ T6874] el0t_64_sync_handler+0xcc/0xe4 [ 231.798946][ T6874] el0t_64_sync+0x1a0/0x1a4 [ 231.801339][ T6874] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.803656][ T6874] gfs2: fsid=}: error -17 adding sysfs files [ 231.996081][ T6877] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.997531][ T6877] CPU: 1 PID: 6877 Comm: syz.1.651 Not tainted syzkaller #0 [ 231.998563][ T6877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 232.000038][ T6877] Call trace: [ 232.000553][ T6877] dump_backtrace+0x0/0x458 [ 232.001260][ T6877] show_stack+0x2c/0x3c [ 232.001929][ T6877] __dump_stack+0x30/0x40 [ 232.002592][ T6877] dump_stack_lvl+0xf4/0x15c [ 232.003316][ T6877] dump_stack+0x1c/0x5c [ 232.004011][ T6877] sysfs_create_dir_ns+0x244/0x264 [ 232.004948][ T6877] kobject_add_internal+0x5ac/0xc3c [ 232.005762][ T6877] kobject_init_and_add+0x124/0x190 [ 232.006583][ T6877] gfs2_sys_fs_add+0x200/0x41c [ 232.007384][ T6877] gfs2_fill_super+0xddc/0x1a18 [ 232.008248][ T6877] get_tree_bdev+0x358/0x544 [ 232.008993][ T6877] gfs2_get_tree+0x54/0x1b4 [ 232.009783][ T6877] vfs_get_tree+0x90/0x274 [ 232.010554][ T6877] do_new_mount+0x228/0x810 [ 232.011385][ T6877] path_mount+0x5bc/0x1008 [ 232.012131][ T6877] __arm64_sys_mount+0x514/0x5f0 [ 232.012947][ T6877] invoke_syscall+0x98/0x2b0 [ 232.013689][ T6877] el0_svc_common+0x138/0x258 [ 232.014404][ T6877] do_el0_svc+0x58/0x13c [ 232.015163][ T6877] el0_svc+0x78/0x1d0 [ 232.015812][ T6877] el0t_64_sync_handler+0xcc/0xe4 [ 232.016611][ T6877] el0t_64_sync+0x1a0/0x1a4 [ 232.019051][ T6877] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.020988][ T6877] gfs2: fsid=}: error -17 adding sysfs files [ 232.169798][ T6880] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.170969][ T6880] CPU: 0 PID: 6880 Comm: syz.1.652 Not tainted syzkaller #0 [ 232.172112][ T6880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 232.173654][ T6880] Call trace: [ 232.174185][ T6880] dump_backtrace+0x0/0x458 [ 232.174874][ T6880] show_stack+0x2c/0x3c [ 232.175542][ T6880] __dump_stack+0x30/0x40 [ 232.176229][ T6880] dump_stack_lvl+0xf4/0x15c [ 232.176979][ T6880] dump_stack+0x1c/0x5c [ 232.177725][ T6880] sysfs_create_dir_ns+0x244/0x264 [ 232.178595][ T6880] kobject_add_internal+0x5ac/0xc3c [ 232.179478][ T6880] kobject_init_and_add+0x124/0x190 [ 232.180243][ T6880] gfs2_sys_fs_add+0x200/0x41c [ 232.180913][ T6880] gfs2_fill_super+0xddc/0x1a18 [ 232.181611][ T6880] get_tree_bdev+0x358/0x544 [ 232.182437][ T6880] gfs2_get_tree+0x54/0x1b4 [ 232.183221][ T6880] vfs_get_tree+0x90/0x274 [ 232.184003][ T6880] do_new_mount+0x228/0x810 [ 232.184627][ T6880] path_mount+0x5bc/0x1008 [ 232.185374][ T6880] __arm64_sys_mount+0x514/0x5f0 [ 232.186262][ T6880] invoke_syscall+0x98/0x2b0 [ 232.187002][ T6880] el0_svc_common+0x138/0x258 [ 232.187792][ T6880] do_el0_svc+0x58/0x13c [ 232.188476][ T6880] el0_svc+0x78/0x1d0 [ 232.189068][ T6880] el0t_64_sync_handler+0xcc/0xe4 [ 232.189822][ T6880] el0t_64_sync+0x1a0/0x1a4 [ 232.190605][ T6880] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.192427][ T6880] gfs2: fsid=}: error -17 adding sysfs files [ 232.347473][ T6883] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.348647][ T6883] CPU: 0 PID: 6883 Comm: syz.1.653 Not tainted syzkaller #0 [ 232.349814][ T6883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 232.351379][ T6883] Call trace: [ 232.351884][ T6883] dump_backtrace+0x0/0x458 [ 232.352573][ T6883] show_stack+0x2c/0x3c [ 232.353236][ T6883] __dump_stack+0x30/0x40 [ 232.353922][ T6883] dump_stack_lvl+0xf4/0x15c [ 232.354673][ T6883] dump_stack+0x1c/0x5c [ 232.355417][ T6883] sysfs_create_dir_ns+0x244/0x264 [ 232.356222][ T6883] kobject_add_internal+0x5ac/0xc3c [ 232.357076][ T6883] kobject_init_and_add+0x124/0x190 [ 232.357902][ T6883] gfs2_sys_fs_add+0x200/0x41c [ 232.358708][ T6883] gfs2_fill_super+0xddc/0x1a18 [ 232.359575][ T6883] get_tree_bdev+0x358/0x544 [ 232.360274][ T6883] gfs2_get_tree+0x54/0x1b4 [ 232.361092][ T6883] vfs_get_tree+0x90/0x274 [ 232.361815][ T6883] do_new_mount+0x228/0x810 [ 232.362517][ T6883] path_mount+0x5bc/0x1008 [ 232.363220][ T6883] __arm64_sys_mount+0x514/0x5f0 [ 232.364039][ T6883] invoke_syscall+0x98/0x2b0 [ 232.364743][ T6883] el0_svc_common+0x138/0x258 [ 232.365462][ T6883] do_el0_svc+0x58/0x13c [ 232.366129][ T6883] el0_svc+0x78/0x1d0 [ 232.366733][ T6883] el0t_64_sync_handler+0xcc/0xe4 [ 232.367523][ T6883] el0t_64_sync+0x1a0/0x1a4 [ 232.369981][ T6883] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.371645][ T6883] gfs2: fsid=}: error -17 adding sysfs files [ 232.519832][ T6886] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.521003][ T6886] CPU: 0 PID: 6886 Comm: syz.1.654 Not tainted syzkaller #0 [ 232.522150][ T6886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 232.523733][ T6886] Call trace: [ 232.524259][ T6886] dump_backtrace+0x0/0x458 [ 232.524993][ T6886] show_stack+0x2c/0x3c [ 232.525672][ T6886] __dump_stack+0x30/0x40 [ 232.526347][ T6886] dump_stack_lvl+0xf4/0x15c [ 232.527007][ T6886] dump_stack+0x1c/0x5c [ 232.527608][ T6886] sysfs_create_dir_ns+0x244/0x264 [ 232.528297][ T6886] kobject_add_internal+0x5ac/0xc3c [ 232.529030][ T6886] kobject_init_and_add+0x124/0x190 [ 232.529920][ T6886] gfs2_sys_fs_add+0x200/0x41c [ 232.530714][ T6886] gfs2_fill_super+0xddc/0x1a18 [ 232.531525][ T6886] get_tree_bdev+0x358/0x544 [ 232.532216][ T6886] gfs2_get_tree+0x54/0x1b4 [ 232.533003][ T6886] vfs_get_tree+0x90/0x274 [ 232.533748][ T6886] do_new_mount+0x228/0x810 [ 232.534435][ T6886] path_mount+0x5bc/0x1008 [ 232.535170][ T6886] __arm64_sys_mount+0x514/0x5f0 [ 232.535850][ T6886] invoke_syscall+0x98/0x2b0 [ 232.536525][ T6886] el0_svc_common+0x138/0x258 [ 232.537202][ T6886] do_el0_svc+0x58/0x13c [ 232.537826][ T6886] el0_svc+0x78/0x1d0 [ 232.538391][ T6886] el0t_64_sync_handler+0xcc/0xe4 [ 232.539124][ T6886] el0t_64_sync+0x1a0/0x1a4 [ 232.541814][ T6886] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.543761][ T6886] gfs2: fsid=}: error -17 adding sysfs files [ 232.688936][ T6889] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.690064][ T6889] CPU: 1 PID: 6889 Comm: syz.1.655 Not tainted syzkaller #0 [ 232.691327][ T6889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 232.692784][ T6889] Call trace: [ 232.693281][ T6889] dump_backtrace+0x0/0x458 [ 232.694025][ T6889] show_stack+0x2c/0x3c [ 232.694699][ T6889] __dump_stack+0x30/0x40 [ 232.695479][ T6889] dump_stack_lvl+0xf4/0x15c [ 232.696203][ T6889] dump_stack+0x1c/0x5c [ 232.696862][ T6889] sysfs_create_dir_ns+0x244/0x264 [ 232.697618][ T6889] kobject_add_internal+0x5ac/0xc3c [ 232.698486][ T6889] kobject_init_and_add+0x124/0x190 [ 232.699322][ T6889] gfs2_sys_fs_add+0x200/0x41c [ 232.700059][ T6889] gfs2_fill_super+0xddc/0x1a18 [ 232.700929][ T6889] get_tree_bdev+0x358/0x544 [ 232.701697][ T6889] gfs2_get_tree+0x54/0x1b4 [ 232.702458][ T6889] vfs_get_tree+0x90/0x274 [ 232.703172][ T6889] do_new_mount+0x228/0x810 [ 232.703868][ T6889] path_mount+0x5bc/0x1008 [ 232.704562][ T6889] __arm64_sys_mount+0x514/0x5f0 [ 232.705378][ T6889] invoke_syscall+0x98/0x2b0 [ 232.706154][ T6889] el0_svc_common+0x138/0x258 [ 232.706962][ T6889] do_el0_svc+0x58/0x13c [ 232.707701][ T6889] el0_svc+0x78/0x1d0 [ 232.708383][ T6889] el0t_64_sync_handler+0xcc/0xe4 [ 232.709251][ T6889] el0t_64_sync+0x1a0/0x1a4 [ 232.712933][ T6889] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.715345][ T6889] gfs2: fsid=}: error -17 adding sysfs files [ 232.863835][ T6892] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.865080][ T6892] CPU: 0 PID: 6892 Comm: syz.1.656 Not tainted syzkaller #0 [ 232.866224][ T6892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 232.867627][ T6892] Call trace: [ 232.868070][ T6892] dump_backtrace+0x0/0x458 [ 232.868698][ T6892] show_stack+0x2c/0x3c [ 232.869306][ T6892] __dump_stack+0x30/0x40 [ 232.869939][ T6892] dump_stack_lvl+0xf4/0x15c [ 232.870628][ T6892] dump_stack+0x1c/0x5c [ 232.871256][ T6892] sysfs_create_dir_ns+0x244/0x264 [ 232.872003][ T6892] kobject_add_internal+0x5ac/0xc3c [ 232.872831][ T6892] kobject_init_and_add+0x124/0x190 [ 232.873604][ T6892] gfs2_sys_fs_add+0x200/0x41c [ 232.874320][ T6892] gfs2_fill_super+0xddc/0x1a18 [ 232.874979][ T6892] get_tree_bdev+0x358/0x544 [ 232.875735][ T6892] gfs2_get_tree+0x54/0x1b4 [ 232.876569][ T6892] vfs_get_tree+0x90/0x274 [ 232.877268][ T6892] do_new_mount+0x228/0x810 [ 232.878024][ T6892] path_mount+0x5bc/0x1008 [ 232.878722][ T6892] __arm64_sys_mount+0x514/0x5f0 [ 232.879548][ T6892] invoke_syscall+0x98/0x2b0 [ 232.880267][ T6892] el0_svc_common+0x138/0x258 [ 232.881050][ T6892] do_el0_svc+0x58/0x13c [ 232.881698][ T6892] el0_svc+0x78/0x1d0 [ 232.882318][ T6892] el0t_64_sync_handler+0xcc/0xe4 [ 232.883062][ T6892] el0t_64_sync+0x1a0/0x1a4 [ 232.885750][ T6892] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.887610][ T6892] gfs2: fsid=}: error -17 adding sysfs files [ 233.126634][ T6895] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.127756][ T6895] CPU: 0 PID: 6895 Comm: syz.1.657 Not tainted syzkaller #0 [ 233.128807][ T6895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 233.130308][ T6895] Call trace: [ 233.130833][ T6895] dump_backtrace+0x0/0x458 [ 233.131505][ T6895] show_stack+0x2c/0x3c [ 233.132185][ T6895] __dump_stack+0x30/0x40 [ 233.132922][ T6895] dump_stack_lvl+0xf4/0x15c [ 233.133770][ T6895] dump_stack+0x1c/0x5c [ 233.134473][ T6895] sysfs_create_dir_ns+0x244/0x264 [ 233.135260][ T6895] kobject_add_internal+0x5ac/0xc3c [ 233.136115][ T6895] kobject_init_and_add+0x124/0x190 [ 233.137006][ T6895] gfs2_sys_fs_add+0x200/0x41c [ 233.137789][ T6895] gfs2_fill_super+0xddc/0x1a18 [ 233.138516][ T6895] get_tree_bdev+0x358/0x544 [ 233.139194][ T6895] gfs2_get_tree+0x54/0x1b4 [ 233.139947][ T6895] vfs_get_tree+0x90/0x274 [ 233.140701][ T6895] do_new_mount+0x228/0x810 [ 233.141430][ T6895] path_mount+0x5bc/0x1008 [ 233.142150][ T6895] __arm64_sys_mount+0x514/0x5f0 [ 233.142987][ T6895] invoke_syscall+0x98/0x2b0 [ 233.143754][ T6895] el0_svc_common+0x138/0x258 [ 233.144503][ T6895] do_el0_svc+0x58/0x13c [ 233.145209][ T6895] el0_svc+0x78/0x1d0 [ 233.145859][ T6895] el0t_64_sync_handler+0xcc/0xe4 [ 233.146672][ T6895] el0t_64_sync+0x1a0/0x1a4 [ 233.149284][ T6895] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.151108][ T6895] gfs2: fsid=}: error -17 adding sysfs files [ 233.296246][ T6898] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.297282][ T6898] CPU: 1 PID: 6898 Comm: syz.1.658 Not tainted syzkaller #0 [ 233.298468][ T6898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 233.300021][ T6898] Call trace: [ 233.300578][ T6898] dump_backtrace+0x0/0x458 [ 233.301303][ T6898] show_stack+0x2c/0x3c [ 233.301971][ T6898] __dump_stack+0x30/0x40 [ 233.302680][ T6898] dump_stack_lvl+0xf4/0x15c [ 233.303461][ T6898] dump_stack+0x1c/0x5c [ 233.304081][ T6898] sysfs_create_dir_ns+0x244/0x264 [ 233.304897][ T6898] kobject_add_internal+0x5ac/0xc3c [ 233.305728][ T6898] kobject_init_and_add+0x124/0x190 [ 233.306539][ T6898] gfs2_sys_fs_add+0x200/0x41c [ 233.307264][ T6898] gfs2_fill_super+0xddc/0x1a18 [ 233.308034][ T6898] get_tree_bdev+0x358/0x544 [ 233.308710][ T6898] gfs2_get_tree+0x54/0x1b4 [ 233.309418][ T6898] vfs_get_tree+0x90/0x274 [ 233.310113][ T6898] do_new_mount+0x228/0x810 [ 233.310840][ T6898] path_mount+0x5bc/0x1008 [ 233.311537][ T6898] __arm64_sys_mount+0x514/0x5f0 [ 233.312350][ T6898] invoke_syscall+0x98/0x2b0 [ 233.313094][ T6898] el0_svc_common+0x138/0x258 [ 233.313875][ T6898] do_el0_svc+0x58/0x13c [ 233.314579][ T6898] el0_svc+0x78/0x1d0 [ 233.315246][ T6898] el0t_64_sync_handler+0xcc/0xe4 [ 233.316030][ T6898] el0t_64_sync+0x1a0/0x1a4 [ 233.318516][ T6898] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.320486][ T6898] gfs2: fsid=}: error -17 adding sysfs files [ 233.548735][ T6901] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.549779][ T6901] CPU: 1 PID: 6901 Comm: syz.1.659 Not tainted syzkaller #0 [ 233.550860][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 233.552256][ T6901] Call trace: [ 233.552831][ T6901] dump_backtrace+0x0/0x458 [ 233.553612][ T6901] show_stack+0x2c/0x3c [ 233.554229][ T6901] __dump_stack+0x30/0x40 [ 233.554879][ T6901] dump_stack_lvl+0xf4/0x15c [ 233.555623][ T6901] dump_stack+0x1c/0x5c [ 233.556260][ T6901] sysfs_create_dir_ns+0x244/0x264 [ 233.557130][ T6901] kobject_add_internal+0x5ac/0xc3c [ 233.557977][ T6901] kobject_init_and_add+0x124/0x190 [ 233.558830][ T6901] gfs2_sys_fs_add+0x200/0x41c [ 233.559585][ T6901] gfs2_fill_super+0xddc/0x1a18 [ 233.560410][ T6901] get_tree_bdev+0x358/0x544 [ 233.561219][ T6901] gfs2_get_tree+0x54/0x1b4 [ 233.561926][ T6901] vfs_get_tree+0x90/0x274 [ 233.562726][ T6901] do_new_mount+0x228/0x810 [ 233.563463][ T6901] path_mount+0x5bc/0x1008 [ 233.564184][ T6901] __arm64_sys_mount+0x514/0x5f0 [ 233.564983][ T6901] invoke_syscall+0x98/0x2b0 [ 233.565732][ T6901] el0_svc_common+0x138/0x258 [ 233.566526][ T6901] do_el0_svc+0x58/0x13c [ 233.567210][ T6901] el0_svc+0x78/0x1d0 [ 233.567752][ T6901] el0t_64_sync_handler+0xcc/0xe4 [ 233.568593][ T6901] el0t_64_sync+0x1a0/0x1a4 [ 233.571111][ T6901] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.573044][ T6901] gfs2: fsid=}: error -17 adding sysfs files [ 233.720511][ T6904] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.721715][ T6904] CPU: 1 PID: 6904 Comm: syz.1.660 Not tainted syzkaller #0 [ 233.722815][ T6904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 233.724507][ T6904] Call trace: [ 233.725049][ T6904] dump_backtrace+0x0/0x458 [ 233.725804][ T6904] show_stack+0x2c/0x3c [ 233.726505][ T6904] __dump_stack+0x30/0x40 [ 233.727225][ T6904] dump_stack_lvl+0xf4/0x15c [ 233.728007][ T6904] dump_stack+0x1c/0x5c [ 233.728700][ T6904] sysfs_create_dir_ns+0x244/0x264 [ 233.729484][ T6904] kobject_add_internal+0x5ac/0xc3c [ 233.730340][ T6904] kobject_init_and_add+0x124/0x190 [ 233.731177][ T6904] gfs2_sys_fs_add+0x200/0x41c [ 233.731957][ T6904] gfs2_fill_super+0xddc/0x1a18 [ 233.732714][ T6904] get_tree_bdev+0x358/0x544 [ 233.733467][ T6904] gfs2_get_tree+0x54/0x1b4 [ 233.734173][ T6904] vfs_get_tree+0x90/0x274 [ 233.734890][ T6904] do_new_mount+0x228/0x810 [ 233.735620][ T6904] path_mount+0x5bc/0x1008 [ 233.736376][ T6904] __arm64_sys_mount+0x514/0x5f0 [ 233.737166][ T6904] invoke_syscall+0x98/0x2b0 [ 233.737882][ T6904] el0_svc_common+0x138/0x258 [ 233.738668][ T6904] do_el0_svc+0x58/0x13c [ 233.739345][ T6904] el0_svc+0x78/0x1d0 [ 233.739979][ T6904] el0t_64_sync_handler+0xcc/0xe4 [ 233.740662][ T6904] el0t_64_sync+0x1a0/0x1a4 [ 233.743209][ T6904] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.745286][ T6904] gfs2: fsid=}: error -17 adding sysfs files [ 233.891100][ T6907] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.892315][ T6907] CPU: 0 PID: 6907 Comm: syz.1.661 Not tainted syzkaller #0 [ 233.893488][ T6907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 233.895106][ T6907] Call trace: [ 233.895623][ T6907] dump_backtrace+0x0/0x458 [ 233.896475][ T6907] show_stack+0x2c/0x3c [ 233.897145][ T6907] __dump_stack+0x30/0x40 [ 233.897939][ T6907] dump_stack_lvl+0xf4/0x15c [ 233.898726][ T6907] dump_stack+0x1c/0x5c [ 233.899353][ T6907] sysfs_create_dir_ns+0x244/0x264 [ 233.900140][ T6907] kobject_add_internal+0x5ac/0xc3c [ 233.900882][ T6907] kobject_init_and_add+0x124/0x190 [ 233.901634][ T6907] gfs2_sys_fs_add+0x200/0x41c [ 233.902395][ T6907] gfs2_fill_super+0xddc/0x1a18 [ 233.903214][ T6907] get_tree_bdev+0x358/0x544 [ 233.903953][ T6907] gfs2_get_tree+0x54/0x1b4 [ 233.904612][ T6907] vfs_get_tree+0x90/0x274 [ 233.905274][ T6907] do_new_mount+0x228/0x810 [ 233.906029][ T6907] path_mount+0x5bc/0x1008 [ 233.906749][ T6907] __arm64_sys_mount+0x514/0x5f0 [ 233.907528][ T6907] invoke_syscall+0x98/0x2b0 [ 233.908202][ T6907] el0_svc_common+0x138/0x258 [ 233.908962][ T6907] do_el0_svc+0x58/0x13c [ 233.909608][ T6907] el0_svc+0x78/0x1d0 [ 233.910212][ T6907] el0t_64_sync_handler+0xcc/0xe4 [ 233.910952][ T6907] el0t_64_sync+0x1a0/0x1a4 [ 233.913278][ T6907] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.915184][ T6907] gfs2: fsid=}: error -17 adding sysfs files [ 234.109972][ T6910] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 234.111190][ T6910] CPU: 1 PID: 6910 Comm: syz.1.662 Not tainted syzkaller #0 [ 234.112390][ T6910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 234.114002][ T6910] Call trace: [ 234.114608][ T6910] dump_backtrace+0x0/0x458 [ 234.115384][ T6910] show_stack+0x2c/0x3c [ 234.116034][ T6910] __dump_stack+0x30/0x40 [ 234.116724][ T6910] dump_stack_lvl+0xf4/0x15c [ 234.117406][ T6910] dump_stack+0x1c/0x5c [ 234.118058][ T6910] sysfs_create_dir_ns+0x244/0x264 [ 234.118868][ T6910] kobject_add_internal+0x5ac/0xc3c [ 234.119716][ T6910] kobject_init_and_add+0x124/0x190 [ 234.120517][ T6910] gfs2_sys_fs_add+0x200/0x41c [ 234.121340][ T6910] gfs2_fill_super+0xddc/0x1a18 [ 234.122128][ T6910] get_tree_bdev+0x358/0x544 [ 234.122944][ T6910] gfs2_get_tree+0x54/0x1b4 [ 234.123708][ T6910] vfs_get_tree+0x90/0x274 [ 234.124449][ T6910] do_new_mount+0x228/0x810 [ 234.125150][ T6910] path_mount+0x5bc/0x1008 [ 234.125840][ T6910] __arm64_sys_mount+0x514/0x5f0 [ 234.126659][ T6910] invoke_syscall+0x98/0x2b0 [ 234.127453][ T6910] el0_svc_common+0x138/0x258 [ 234.128202][ T6910] do_el0_svc+0x58/0x13c [ 234.128984][ T6910] el0_svc+0x78/0x1d0 [ 234.129621][ T6910] el0t_64_sync_handler+0xcc/0xe4 [ 234.130461][ T6910] el0t_64_sync+0x1a0/0x1a4 [ 234.133294][ T6910] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 234.135309][ T6910] gfs2: fsid=}: error -17 adding sysfs files [ 234.281532][ T6913] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 234.282751][ T6913] CPU: 1 PID: 6913 Comm: syz.1.663 Not tainted syzkaller #0 [ 234.283774][ T6913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 234.285415][ T6913] Call trace: [ 234.285989][ T6913] dump_backtrace+0x0/0x458 [ 234.286687][ T6913] show_stack+0x2c/0x3c [ 234.287352][ T6913] __dump_stack+0x30/0x40 [ 234.288037][ T6913] dump_stack_lvl+0xf4/0x15c [ 234.288748][ T6913] dump_stack+0x1c/0x5c [ 234.289392][ T6913] sysfs_create_dir_ns+0x244/0x264 [ 234.290220][ T6913] kobject_add_internal+0x5ac/0xc3c [ 234.291076][ T6913] kobject_init_and_add+0x124/0x190 [ 234.291953][ T6913] gfs2_sys_fs_add+0x200/0x41c [ 234.292647][ T6913] gfs2_fill_super+0xddc/0x1a18 [ 234.293448][ T6913] get_tree_bdev+0x358/0x544 [ 234.294221][ T6913] gfs2_get_tree+0x54/0x1b4 [ 234.294881][ T6913] vfs_get_tree+0x90/0x274 [ 234.295565][ T6913] do_new_mount+0x228/0x810 [ 234.296262][ T6913] path_mount+0x5bc/0x1008 [ 234.296944][ T6913] __arm64_sys_mount+0x514/0x5f0 [ 234.297670][ T6913] invoke_syscall+0x98/0x2b0 [ 234.298368][ T6913] el0_svc_common+0x138/0x258 [ 234.299098][ T6913] do_el0_svc+0x58/0x13c [ 234.299784][ T6913] el0_svc+0x78/0x1d0 [ 234.300447][ T6913] el0t_64_sync_handler+0xcc/0xe4 [ 234.301239][ T6913] el0t_64_sync+0x1a0/0x1a4 [ 234.304966][ T6913] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 234.307028][ T6913] gfs2: fsid=}: error -17 adding sysfs files [ 234.454228][ T6916] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 234.455472][ T6916] CPU: 0 PID: 6916 Comm: syz.1.664 Not tainted syzkaller #0 [ 234.456683][ T6916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 234.458256][ T6916] Call trace: [ 234.458725][ T6916] dump_backtrace+0x0/0x458 [ 234.459472][ T6916] show_stack+0x2c/0x3c [ 234.460261][ T6916] __dump_stack+0x30/0x40 [ 234.461032][ T6916] dump_stack_lvl+0xf4/0x15c [ 234.461711][ T6916] dump_stack+0x1c/0x5c [ 234.462426][ T6916] sysfs_create_dir_ns+0x244/0x264 [ 234.463191][ T6916] kobject_add_internal+0x5ac/0xc3c [ 234.464031][ T6916] kobject_init_and_add+0x124/0x190 [ 234.464925][ T6916] gfs2_sys_fs_add+0x200/0x41c [ 234.465737][ T6916] gfs2_fill_super+0xddc/0x1a18 [ 234.466542][ T6916] get_tree_bdev+0x358/0x544 [ 234.467312][ T6916] gfs2_get_tree+0x54/0x1b4 [ 234.468082][ T6916] vfs_get_tree+0x90/0x274 [ 234.468801][ T6916] do_new_mount+0x228/0x810 [ 234.469496][ T6916] path_mount+0x5bc/0x1008 [ 234.470188][ T6916] __arm64_sys_mount+0x514/0x5f0 [ 234.470988][ T6916] invoke_syscall+0x98/0x2b0 [ 234.471675][ T6916] el0_svc_common+0x138/0x258 [ 234.472492][ T6916] do_el0_svc+0x58/0x13c [ 234.473202][ T6916] el0_svc+0x78/0x1d0 [ 234.473854][ T6916] el0t_64_sync_handler+0xcc/0xe4 [ 234.474672][ T6916] el0t_64_sync+0x1a0/0x1a4 [ 234.478326][ T6916] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 234.480114][ T6916] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:54 executed programs: 651 [ 234.617996][ T6919] set_capacity_and_notify: 16 callbacks suppressed [ 234.618007][ T6919] loop1: detected capacity change from 0 to 32768 [ 234.666078][ T6919] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 234.667120][ T6919] CPU: 1 PID: 6919 Comm: syz.1.665 Not tainted syzkaller #0 [ 234.668231][ T6919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 234.669706][ T6919] Call trace: [ 234.670168][ T6919] dump_backtrace+0x0/0x458 [ 234.670898][ T6919] show_stack+0x2c/0x3c [ 234.671570][ T6919] __dump_stack+0x30/0x40 [ 234.672316][ T6919] dump_stack_lvl+0xf4/0x15c [ 234.673023][ T6919] dump_stack+0x1c/0x5c [ 234.673669][ T6919] sysfs_create_dir_ns+0x244/0x264 [ 234.674478][ T6919] kobject_add_internal+0x5ac/0xc3c [ 234.675247][ T6919] kobject_init_and_add+0x124/0x190 [ 234.676047][ T6919] gfs2_sys_fs_add+0x200/0x41c [ 234.676809][ T6919] gfs2_fill_super+0xddc/0x1a18 [ 234.677602][ T6919] get_tree_bdev+0x358/0x544 [ 234.678376][ T6919] gfs2_get_tree+0x54/0x1b4 [ 234.679089][ T6919] vfs_get_tree+0x90/0x274 [ 234.679858][ T6919] do_new_mount+0x228/0x810 [ 234.680573][ T6919] path_mount+0x5bc/0x1008 [ 234.681197][ T6919] __arm64_sys_mount+0x514/0x5f0 [ 234.682041][ T6919] invoke_syscall+0x98/0x2b0 [ 234.682819][ T6919] el0_svc_common+0x138/0x258 [ 234.683636][ T6919] do_el0_svc+0x58/0x13c [ 234.684332][ T6919] el0_svc+0x78/0x1d0 [ 234.685032][ T6919] el0t_64_sync_handler+0xcc/0xe4 [ 234.685883][ T6919] el0t_64_sync+0x1a0/0x1a4 [ 234.688862][ T6919] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 234.690760][ T6919] gfs2: fsid=}: error -17 adding sysfs files [ 234.942622][ T6922] loop1: detected capacity change from 0 to 32768 [ 235.000013][ T6922] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 235.001249][ T6922] CPU: 0 PID: 6922 Comm: syz.1.666 Not tainted syzkaller #0 [ 235.002336][ T6922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 235.003838][ T6922] Call trace: [ 235.004363][ T6922] dump_backtrace+0x0/0x458 [ 235.005033][ T6922] show_stack+0x2c/0x3c [ 235.005689][ T6922] __dump_stack+0x30/0x40 [ 235.006342][ T6922] dump_stack_lvl+0xf4/0x15c [ 235.007126][ T6922] dump_stack+0x1c/0x5c [ 235.007801][ T6922] sysfs_create_dir_ns+0x244/0x264 [ 235.008696][ T6922] kobject_add_internal+0x5ac/0xc3c [ 235.009592][ T6922] kobject_init_and_add+0x124/0x190 [ 235.010464][ T6922] gfs2_sys_fs_add+0x200/0x41c [ 235.011185][ T6922] gfs2_fill_super+0xddc/0x1a18 [ 235.011822][ T6922] get_tree_bdev+0x358/0x544 [ 235.012541][ T6922] gfs2_get_tree+0x54/0x1b4 [ 235.013286][ T6922] vfs_get_tree+0x90/0x274 [ 235.014037][ T6922] do_new_mount+0x228/0x810 [ 235.014754][ T6922] path_mount+0x5bc/0x1008 [ 235.015492][ T6922] __arm64_sys_mount+0x514/0x5f0 [ 235.016297][ T6922] invoke_syscall+0x98/0x2b0 [ 235.017100][ T6922] el0_svc_common+0x138/0x258 [ 235.017889][ T6922] do_el0_svc+0x58/0x13c [ 235.018466][ T6922] el0_svc+0x78/0x1d0 [ 235.019096][ T6922] el0t_64_sync_handler+0xcc/0xe4 [ 235.019899][ T6922] el0t_64_sync+0x1a0/0x1a4 [ 235.021673][ T6922] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 235.023630][ T6922] gfs2: fsid=}: error -17 adding sysfs files [ 235.159814][ T6925] loop1: detected capacity change from 0 to 32768 [ 235.199022][ T6925] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 235.200169][ T6925] CPU: 1 PID: 6925 Comm: syz.1.667 Not tainted syzkaller #0 [ 235.201262][ T6925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 235.202864][ T6925] Call trace: [ 235.203340][ T6925] dump_backtrace+0x0/0x458 [ 235.204035][ T6925] show_stack+0x2c/0x3c [ 235.204705][ T6925] __dump_stack+0x30/0x40 [ 235.205421][ T6925] dump_stack_lvl+0xf4/0x15c [ 235.206181][ T6925] dump_stack+0x1c/0x5c [ 235.206903][ T6925] sysfs_create_dir_ns+0x244/0x264 [ 235.207698][ T6925] kobject_add_internal+0x5ac/0xc3c [ 235.208554][ T6925] kobject_init_and_add+0x124/0x190 [ 235.209405][ T6925] gfs2_sys_fs_add+0x200/0x41c [ 235.210215][ T6925] gfs2_fill_super+0xddc/0x1a18 [ 235.210985][ T6925] get_tree_bdev+0x358/0x544 [ 235.211786][ T6925] gfs2_get_tree+0x54/0x1b4 [ 235.212520][ T6925] vfs_get_tree+0x90/0x274 [ 235.213269][ T6925] do_new_mount+0x228/0x810 [ 235.214012][ T6925] path_mount+0x5bc/0x1008 [ 235.214766][ T6925] __arm64_sys_mount+0x514/0x5f0 [ 235.215610][ T6925] invoke_syscall+0x98/0x2b0 [ 235.216348][ T6925] el0_svc_common+0x138/0x258 [ 235.217132][ T6925] do_el0_svc+0x58/0x13c [ 235.217847][ T6925] el0_svc+0x78/0x1d0 [ 235.218498][ T6925] el0t_64_sync_handler+0xcc/0xe4 [ 235.219381][ T6925] el0t_64_sync+0x1a0/0x1a4 [ 235.221771][ T6925] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 235.223937][ T6925] gfs2: fsid=}: error -17 adding sysfs files [ 235.364572][ T6928] loop1: detected capacity change from 0 to 32768 [ 235.372605][ T6928] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 235.373760][ T6928] CPU: 0 PID: 6928 Comm: syz.1.668 Not tainted syzkaller #0 [ 235.374920][ T6928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 235.376491][ T6928] Call trace: [ 235.377047][ T6928] dump_backtrace+0x0/0x458 [ 235.377812][ T6928] show_stack+0x2c/0x3c [ 235.378496][ T6928] __dump_stack+0x30/0x40 [ 235.379153][ T6928] dump_stack_lvl+0xf4/0x15c [ 235.379942][ T6928] dump_stack+0x1c/0x5c [ 235.380564][ T6928] sysfs_create_dir_ns+0x244/0x264 [ 235.381425][ T6928] kobject_add_internal+0x5ac/0xc3c [ 235.382312][ T6928] kobject_init_and_add+0x124/0x190 [ 235.383116][ T6928] gfs2_sys_fs_add+0x200/0x41c [ 235.383879][ T6928] gfs2_fill_super+0xddc/0x1a18 [ 235.384756][ T6928] get_tree_bdev+0x358/0x544 [ 235.385458][ T6928] gfs2_get_tree+0x54/0x1b4 [ 235.386187][ T6928] vfs_get_tree+0x90/0x274 [ 235.386863][ T6928] do_new_mount+0x228/0x810 [ 235.387572][ T6928] path_mount+0x5bc/0x1008 [ 235.388263][ T6928] __arm64_sys_mount+0x514/0x5f0 [ 235.389014][ T6928] invoke_syscall+0x98/0x2b0 [ 235.389763][ T6928] el0_svc_common+0x138/0x258 [ 235.390478][ T6928] do_el0_svc+0x58/0x13c [ 235.391168][ T6928] el0_svc+0x78/0x1d0 [ 235.391798][ T6928] el0t_64_sync_handler+0xcc/0xe4 [ 235.392588][ T6928] el0t_64_sync+0x1a0/0x1a4 [ 235.393949][ T6928] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 235.395904][ T6928] gfs2: fsid=}: error -17 adding sysfs files [ 235.586637][ T6931] loop1: detected capacity change from 0 to 32768 [ 235.637752][ T6931] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 235.638921][ T6931] CPU: 1 PID: 6931 Comm: syz.1.669 Not tainted syzkaller #0 [ 235.640053][ T6931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 235.641626][ T6931] Call trace: [ 235.642182][ T6931] dump_backtrace+0x0/0x458 [ 235.642862][ T6931] show_stack+0x2c/0x3c [ 235.643549][ T6931] __dump_stack+0x30/0x40 [ 235.644287][ T6931] dump_stack_lvl+0xf4/0x15c [ 235.645075][ T6931] dump_stack+0x1c/0x5c [ 235.645752][ T6931] sysfs_create_dir_ns+0x244/0x264 [ 235.646544][ T6931] kobject_add_internal+0x5ac/0xc3c [ 235.647401][ T6931] kobject_init_and_add+0x124/0x190 [ 235.648272][ T6931] gfs2_sys_fs_add+0x200/0x41c [ 235.649073][ T6931] gfs2_fill_super+0xddc/0x1a18 [ 235.649847][ T6931] get_tree_bdev+0x358/0x544 [ 235.650635][ T6931] gfs2_get_tree+0x54/0x1b4 [ 235.651374][ T6931] vfs_get_tree+0x90/0x274 [ 235.652105][ T6931] do_new_mount+0x228/0x810 [ 235.652814][ T6931] path_mount+0x5bc/0x1008 [ 235.653528][ T6931] __arm64_sys_mount+0x514/0x5f0 [ 235.654296][ T6931] invoke_syscall+0x98/0x2b0 [ 235.655044][ T6931] el0_svc_common+0x138/0x258 [ 235.655761][ T6931] do_el0_svc+0x58/0x13c [ 235.656438][ T6931] el0_svc+0x78/0x1d0 [ 235.657111][ T6931] el0t_64_sync_handler+0xcc/0xe4 [ 235.657938][ T6931] el0t_64_sync+0x1a0/0x1a4 [ 235.660387][ T6931] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 235.662266][ T6931] gfs2: fsid=}: error -17 adding sysfs files [ 235.799214][ T6934] loop1: detected capacity change from 0 to 32768 [ 235.835410][ T6934] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 235.836705][ T6934] CPU: 0 PID: 6934 Comm: syz.1.670 Not tainted syzkaller #0 [ 235.837790][ T6934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 235.839476][ T6934] Call trace: [ 235.839988][ T6934] dump_backtrace+0x0/0x458 [ 235.840718][ T6934] show_stack+0x2c/0x3c [ 235.841381][ T6934] __dump_stack+0x30/0x40 [ 235.842083][ T6934] dump_stack_lvl+0xf4/0x15c [ 235.842813][ T6934] dump_stack+0x1c/0x5c [ 235.843381][ T6934] sysfs_create_dir_ns+0x244/0x264 [ 235.844314][ T6934] kobject_add_internal+0x5ac/0xc3c [ 235.845172][ T6934] kobject_init_and_add+0x124/0x190 [ 235.845991][ T6934] gfs2_sys_fs_add+0x200/0x41c [ 235.846775][ T6934] gfs2_fill_super+0xddc/0x1a18 [ 235.847578][ T6934] get_tree_bdev+0x358/0x544 [ 235.848338][ T6934] gfs2_get_tree+0x54/0x1b4 [ 235.849114][ T6934] vfs_get_tree+0x90/0x274 [ 235.849849][ T6934] do_new_mount+0x228/0x810 [ 235.850563][ T6934] path_mount+0x5bc/0x1008 [ 235.851233][ T6934] __arm64_sys_mount+0x514/0x5f0 [ 235.851891][ T6934] invoke_syscall+0x98/0x2b0 [ 235.852551][ T6934] el0_svc_common+0x138/0x258 [ 235.853295][ T6934] do_el0_svc+0x58/0x13c [ 235.853949][ T6934] el0_svc+0x78/0x1d0 [ 235.854561][ T6934] el0t_64_sync_handler+0xcc/0xe4 [ 235.855423][ T6934] el0t_64_sync+0x1a0/0x1a4 [ 235.856800][ T6934] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 235.858709][ T6934] gfs2: fsid=}: error -17 adding sysfs files [ 236.021097][ T6937] loop1: detected capacity change from 0 to 32768 [ 236.058078][ T6937] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 236.059229][ T6937] CPU: 0 PID: 6937 Comm: syz.1.671 Not tainted syzkaller #0 [ 236.060386][ T6937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 236.061941][ T6937] Call trace: [ 236.062403][ T6937] dump_backtrace+0x0/0x458 [ 236.063166][ T6937] show_stack+0x2c/0x3c [ 236.063863][ T6937] __dump_stack+0x30/0x40 [ 236.064550][ T6937] dump_stack_lvl+0xf4/0x15c [ 236.065294][ T6937] dump_stack+0x1c/0x5c [ 236.065975][ T6937] sysfs_create_dir_ns+0x244/0x264 [ 236.066838][ T6937] kobject_add_internal+0x5ac/0xc3c [ 236.067740][ T6937] kobject_init_and_add+0x124/0x190 [ 236.068628][ T6937] gfs2_sys_fs_add+0x200/0x41c [ 236.069421][ T6937] gfs2_fill_super+0xddc/0x1a18 [ 236.070219][ T6937] get_tree_bdev+0x358/0x544 [ 236.070918][ T6937] gfs2_get_tree+0x54/0x1b4 [ 236.071780][ T6937] vfs_get_tree+0x90/0x274 [ 236.072445][ T6937] do_new_mount+0x228/0x810 [ 236.073131][ T6937] path_mount+0x5bc/0x1008 [ 236.073863][ T6937] __arm64_sys_mount+0x514/0x5f0 [ 236.074642][ T6937] invoke_syscall+0x98/0x2b0 [ 236.075355][ T6937] el0_svc_common+0x138/0x258 [ 236.076140][ T6937] do_el0_svc+0x58/0x13c [ 236.076810][ T6937] el0_svc+0x78/0x1d0 [ 236.077486][ T6937] el0t_64_sync_handler+0xcc/0xe4 [ 236.078325][ T6937] el0t_64_sync+0x1a0/0x1a4 [ 236.080456][ T6937] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 236.082285][ T6937] gfs2: fsid=}: error -17 adding sysfs files [ 236.222241][ T6940] loop1: detected capacity change from 0 to 32768 [ 236.230902][ T6940] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 236.232104][ T6940] CPU: 1 PID: 6940 Comm: syz.1.672 Not tainted syzkaller #0 [ 236.233251][ T6940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 236.234865][ T6940] Call trace: [ 236.235407][ T6940] dump_backtrace+0x0/0x458 [ 236.236116][ T6940] show_stack+0x2c/0x3c [ 236.236798][ T6940] __dump_stack+0x30/0x40 [ 236.237580][ T6940] dump_stack_lvl+0xf4/0x15c [ 236.238374][ T6940] dump_stack+0x1c/0x5c [ 236.239070][ T6940] sysfs_create_dir_ns+0x244/0x264 [ 236.239876][ T6940] kobject_add_internal+0x5ac/0xc3c [ 236.240718][ T6940] kobject_init_and_add+0x124/0x190 [ 236.241555][ T6940] gfs2_sys_fs_add+0x200/0x41c [ 236.242288][ T6940] gfs2_fill_super+0xddc/0x1a18 [ 236.243097][ T6940] get_tree_bdev+0x358/0x544 [ 236.243848][ T6940] gfs2_get_tree+0x54/0x1b4 [ 236.244638][ T6940] vfs_get_tree+0x90/0x274 [ 236.245320][ T6940] do_new_mount+0x228/0x810 [ 236.246014][ T6940] path_mount+0x5bc/0x1008 [ 236.246769][ T6940] __arm64_sys_mount+0x514/0x5f0 [ 236.247456][ T6940] invoke_syscall+0x98/0x2b0 [ 236.248219][ T6940] el0_svc_common+0x138/0x258 [ 236.248989][ T6940] do_el0_svc+0x58/0x13c [ 236.249775][ T6940] el0_svc+0x78/0x1d0 [ 236.250475][ T6940] el0t_64_sync_handler+0xcc/0xe4 [ 236.251323][ T6940] el0t_64_sync+0x1a0/0x1a4 [ 236.252244][ T6940] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 236.254218][ T6940] gfs2: fsid=}: error -17 adding sysfs files [ 236.386883][ T6943] loop1: detected capacity change from 0 to 32768 [ 236.464291][ T6943] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 236.465786][ T6943] CPU: 0 PID: 6943 Comm: syz.1.673 Not tainted syzkaller #0 [ 236.466877][ T6943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 236.468362][ T6943] Call trace: [ 236.468930][ T6943] dump_backtrace+0x0/0x458 [ 236.469618][ T6943] show_stack+0x2c/0x3c [ 236.470240][ T6943] __dump_stack+0x30/0x40 [ 236.470924][ T6943] dump_stack_lvl+0xf4/0x15c [ 236.471529][ T6943] dump_stack+0x1c/0x5c [ 236.472116][ T6943] sysfs_create_dir_ns+0x244/0x264 [ 236.472887][ T6943] kobject_add_internal+0x5ac/0xc3c [ 236.473861][ T6943] kobject_init_and_add+0x124/0x190 [ 236.474618][ T6943] gfs2_sys_fs_add+0x200/0x41c [ 236.475348][ T6943] gfs2_fill_super+0xddc/0x1a18 [ 236.476116][ T6943] get_tree_bdev+0x358/0x544 [ 236.476843][ T6943] gfs2_get_tree+0x54/0x1b4 [ 236.477632][ T6943] vfs_get_tree+0x90/0x274 [ 236.478338][ T6943] do_new_mount+0x228/0x810 [ 236.478988][ T6943] path_mount+0x5bc/0x1008 [ 236.479693][ T6943] __arm64_sys_mount+0x514/0x5f0 [ 236.480476][ T6943] invoke_syscall+0x98/0x2b0 [ 236.481203][ T6943] el0_svc_common+0x138/0x258 [ 236.481953][ T6943] do_el0_svc+0x58/0x13c [ 236.482762][ T6943] el0_svc+0x78/0x1d0 [ 236.483377][ T6943] el0t_64_sync_handler+0xcc/0xe4 [ 236.484166][ T6943] el0t_64_sync+0x1a0/0x1a4 [ 236.487268][ T6943] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 236.489167][ T6943] gfs2: fsid=}: error -17 adding sysfs files [ 236.638691][ T6946] loop1: detected capacity change from 0 to 32768 [ 236.647842][ T6946] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 236.648982][ T6946] CPU: 1 PID: 6946 Comm: syz.1.674 Not tainted syzkaller #0 [ 236.650238][ T6946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 236.651931][ T6946] Call trace: [ 236.652423][ T6946] dump_backtrace+0x0/0x458 [ 236.653083][ T6946] show_stack+0x2c/0x3c [ 236.653792][ T6946] __dump_stack+0x30/0x40 [ 236.654483][ T6946] dump_stack_lvl+0xf4/0x15c [ 236.655205][ T6946] dump_stack+0x1c/0x5c [ 236.655937][ T6946] sysfs_create_dir_ns+0x244/0x264 [ 236.656779][ T6946] kobject_add_internal+0x5ac/0xc3c [ 236.657629][ T6946] kobject_init_and_add+0x124/0x190 [ 236.658455][ T6946] gfs2_sys_fs_add+0x200/0x41c [ 236.659327][ T6946] gfs2_fill_super+0xddc/0x1a18 [ 236.660071][ T6946] get_tree_bdev+0x358/0x544 [ 236.660782][ T6946] gfs2_get_tree+0x54/0x1b4 [ 236.661506][ T6946] vfs_get_tree+0x90/0x274 [ 236.662207][ T6946] do_new_mount+0x228/0x810 [ 236.662982][ T6946] path_mount+0x5bc/0x1008 [ 236.663776][ T6946] __arm64_sys_mount+0x514/0x5f0 [ 236.664567][ T6946] invoke_syscall+0x98/0x2b0 [ 236.665187][ T6946] el0_svc_common+0x138/0x258 [ 236.665912][ T6946] do_el0_svc+0x58/0x13c [ 236.666538][ T6946] el0_svc+0x78/0x1d0 [ 236.667241][ T6946] el0t_64_sync_handler+0xcc/0xe4 [ 236.668071][ T6946] el0t_64_sync+0x1a0/0x1a4 [ 236.670050][ T6946] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 236.672399][ T6946] gfs2: fsid=}: error -17 adding sysfs files [ 236.848486][ T6949] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 236.849542][ T6949] CPU: 1 PID: 6949 Comm: syz.1.675 Not tainted syzkaller #0 [ 236.850724][ T6949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 236.852234][ T6949] Call trace: [ 236.852778][ T6949] dump_backtrace+0x0/0x458 [ 236.853500][ T6949] show_stack+0x2c/0x3c [ 236.854137][ T6949] __dump_stack+0x30/0x40 [ 236.854886][ T6949] dump_stack_lvl+0xf4/0x15c [ 236.855646][ T6949] dump_stack+0x1c/0x5c [ 236.856386][ T6949] sysfs_create_dir_ns+0x244/0x264 [ 236.857142][ T6949] kobject_add_internal+0x5ac/0xc3c [ 236.857970][ T6949] kobject_init_and_add+0x124/0x190 [ 236.858824][ T6949] gfs2_sys_fs_add+0x200/0x41c [ 236.859614][ T6949] gfs2_fill_super+0xddc/0x1a18 [ 236.860453][ T6949] get_tree_bdev+0x358/0x544 [ 236.861224][ T6949] gfs2_get_tree+0x54/0x1b4 [ 236.861919][ T6949] vfs_get_tree+0x90/0x274 [ 236.862642][ T6949] do_new_mount+0x228/0x810 [ 236.863362][ T6949] path_mount+0x5bc/0x1008 [ 236.864119][ T6949] __arm64_sys_mount+0x514/0x5f0 [ 236.864942][ T6949] invoke_syscall+0x98/0x2b0 [ 236.865702][ T6949] el0_svc_common+0x138/0x258 [ 236.866510][ T6949] do_el0_svc+0x58/0x13c [ 236.867236][ T6949] el0_svc+0x78/0x1d0 [ 236.867917][ T6949] el0t_64_sync_handler+0xcc/0xe4 [ 236.868730][ T6949] el0t_64_sync+0x1a0/0x1a4 [ 236.869639][ T6949] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 236.871540][ T6949] gfs2: fsid=}: error -17 adding sysfs files [ 237.094615][ T6952] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 237.095675][ T6952] CPU: 0 PID: 6952 Comm: syz.1.676 Not tainted syzkaller #0 [ 237.096800][ T6952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 237.098369][ T6952] Call trace: [ 237.098876][ T6952] dump_backtrace+0x0/0x458 [ 237.099555][ T6952] show_stack+0x2c/0x3c [ 237.100171][ T6952] __dump_stack+0x30/0x40 [ 237.100909][ T6952] dump_stack_lvl+0xf4/0x15c [ 237.101662][ T6952] dump_stack+0x1c/0x5c [ 237.102263][ T6952] sysfs_create_dir_ns+0x244/0x264 [ 237.103081][ T6952] kobject_add_internal+0x5ac/0xc3c [ 237.103920][ T6952] kobject_init_and_add+0x124/0x190 [ 237.104827][ T6952] gfs2_sys_fs_add+0x200/0x41c [ 237.105596][ T6952] gfs2_fill_super+0xddc/0x1a18 [ 237.106325][ T6952] get_tree_bdev+0x358/0x544 [ 237.107034][ T6952] gfs2_get_tree+0x54/0x1b4 [ 237.107732][ T6952] vfs_get_tree+0x90/0x274 [ 237.108448][ T6952] do_new_mount+0x228/0x810 [ 237.109172][ T6952] path_mount+0x5bc/0x1008 [ 237.109774][ T6952] __arm64_sys_mount+0x514/0x5f0 [ 237.110556][ T6952] invoke_syscall+0x98/0x2b0 [ 237.111330][ T6952] el0_svc_common+0x138/0x258 [ 237.112082][ T6952] do_el0_svc+0x58/0x13c [ 237.112684][ T6952] el0_svc+0x78/0x1d0 [ 237.113342][ T6952] el0t_64_sync_handler+0xcc/0xe4 [ 237.114196][ T6952] el0t_64_sync+0x1a0/0x1a4 [ 237.115776][ T6952] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 237.117825][ T6952] gfs2: fsid=}: error -17 adding sysfs files [ 237.262585][ T6955] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 237.263929][ T6955] CPU: 1 PID: 6955 Comm: syz.1.677 Not tainted syzkaller #0 [ 237.265217][ T6955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 237.266719][ T6955] Call trace: [ 237.267208][ T6955] dump_backtrace+0x0/0x458 [ 237.267934][ T6955] show_stack+0x2c/0x3c [ 237.268572][ T6955] __dump_stack+0x30/0x40 [ 237.269191][ T6955] dump_stack_lvl+0xf4/0x15c [ 237.269905][ T6955] dump_stack+0x1c/0x5c [ 237.270555][ T6955] sysfs_create_dir_ns+0x244/0x264 [ 237.271428][ T6955] kobject_add_internal+0x5ac/0xc3c [ 237.272265][ T6955] kobject_init_and_add+0x124/0x190 [ 237.273096][ T6955] gfs2_sys_fs_add+0x200/0x41c [ 237.273796][ T6955] gfs2_fill_super+0xddc/0x1a18 [ 237.274597][ T6955] get_tree_bdev+0x358/0x544 [ 237.275418][ T6955] gfs2_get_tree+0x54/0x1b4 [ 237.276136][ T6955] vfs_get_tree+0x90/0x274 [ 237.276872][ T6955] do_new_mount+0x228/0x810 [ 237.277692][ T6955] path_mount+0x5bc/0x1008 [ 237.278418][ T6955] __arm64_sys_mount+0x514/0x5f0 [ 237.279279][ T6955] invoke_syscall+0x98/0x2b0 [ 237.280063][ T6955] el0_svc_common+0x138/0x258 [ 237.280848][ T6955] do_el0_svc+0x58/0x13c [ 237.281582][ T6955] el0_svc+0x78/0x1d0 [ 237.282222][ T6955] el0t_64_sync_handler+0xcc/0xe4 [ 237.283005][ T6955] el0t_64_sync+0x1a0/0x1a4 [ 237.284043][ T6955] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 237.285919][ T6955] gfs2: fsid=}: error -17 adding sysfs files [ 237.430808][ T6958] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 237.432173][ T6958] CPU: 1 PID: 6958 Comm: syz.1.678 Not tainted syzkaller #0 [ 237.433289][ T6958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 237.434888][ T6958] Call trace: [ 237.435470][ T6958] dump_backtrace+0x0/0x458 [ 237.436186][ T6958] show_stack+0x2c/0x3c [ 237.436822][ T6958] __dump_stack+0x30/0x40 [ 237.437511][ T6958] dump_stack_lvl+0xf4/0x15c [ 237.438361][ T6958] dump_stack+0x1c/0x5c [ 237.439113][ T6958] sysfs_create_dir_ns+0x244/0x264 [ 237.439995][ T6958] kobject_add_internal+0x5ac/0xc3c [ 237.440890][ T6958] kobject_init_and_add+0x124/0x190 [ 237.441741][ T6958] gfs2_sys_fs_add+0x200/0x41c [ 237.442529][ T6958] gfs2_fill_super+0xddc/0x1a18 [ 237.443332][ T6958] get_tree_bdev+0x358/0x544 [ 237.444080][ T6958] gfs2_get_tree+0x54/0x1b4 [ 237.444761][ T6958] vfs_get_tree+0x90/0x274 [ 237.445472][ T6958] do_new_mount+0x228/0x810 [ 237.446159][ T6958] path_mount+0x5bc/0x1008 [ 237.446875][ T6958] __arm64_sys_mount+0x514/0x5f0 [ 237.447658][ T6958] invoke_syscall+0x98/0x2b0 [ 237.448342][ T6958] el0_svc_common+0x138/0x258 [ 237.449178][ T6958] do_el0_svc+0x58/0x13c [ 237.449856][ T6958] el0_svc+0x78/0x1d0 [ 237.450507][ T6958] el0t_64_sync_handler+0xcc/0xe4 [ 237.451285][ T6958] el0t_64_sync+0x1a0/0x1a4 [ 237.453052][ T6958] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 237.455180][ T6958] gfs2: fsid=}: error -17 adding sysfs files [ 237.688621][ T6961] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 237.689800][ T6961] CPU: 0 PID: 6961 Comm: syz.1.679 Not tainted syzkaller #0 [ 237.690869][ T6961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 237.692254][ T6961] Call trace: [ 237.692735][ T6961] dump_backtrace+0x0/0x458 [ 237.693541][ T6961] show_stack+0x2c/0x3c [ 237.694232][ T6961] __dump_stack+0x30/0x40 [ 237.694906][ T6961] dump_stack_lvl+0xf4/0x15c [ 237.695573][ T6961] dump_stack+0x1c/0x5c [ 237.696267][ T6961] sysfs_create_dir_ns+0x244/0x264 [ 237.696997][ T6961] kobject_add_internal+0x5ac/0xc3c [ 237.697752][ T6961] kobject_init_and_add+0x124/0x190 [ 237.698493][ T6961] gfs2_sys_fs_add+0x200/0x41c [ 237.699240][ T6961] gfs2_fill_super+0xddc/0x1a18 [ 237.699880][ T6961] get_tree_bdev+0x358/0x544 [ 237.700569][ T6961] gfs2_get_tree+0x54/0x1b4 [ 237.701258][ T6961] vfs_get_tree+0x90/0x274 [ 237.701996][ T6961] do_new_mount+0x228/0x810 [ 237.702654][ T6961] path_mount+0x5bc/0x1008 [ 237.703244][ T6961] __arm64_sys_mount+0x514/0x5f0 [ 237.703929][ T6961] invoke_syscall+0x98/0x2b0 [ 237.704673][ T6961] el0_svc_common+0x138/0x258 [ 237.705324][ T6961] do_el0_svc+0x58/0x13c [ 237.705935][ T6961] el0_svc+0x78/0x1d0 [ 237.706482][ T6961] el0t_64_sync_handler+0xcc/0xe4 [ 237.707236][ T6961] el0t_64_sync+0x1a0/0x1a4 [ 237.708506][ T6961] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 237.710422][ T6961] gfs2: fsid=}: error -17 adding sysfs files [ 237.861929][ T6964] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 237.863044][ T6964] CPU: 0 PID: 6964 Comm: syz.1.680 Not tainted syzkaller #0 [ 237.864184][ T6964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 237.865745][ T6964] Call trace: [ 237.866244][ T6964] dump_backtrace+0x0/0x458 [ 237.866950][ T6964] show_stack+0x2c/0x3c [ 237.867673][ T6964] __dump_stack+0x30/0x40 [ 237.868429][ T6964] dump_stack_lvl+0xf4/0x15c [ 237.869147][ T6964] dump_stack+0x1c/0x5c [ 237.869840][ T6964] sysfs_create_dir_ns+0x244/0x264 [ 237.870701][ T6964] kobject_add_internal+0x5ac/0xc3c [ 237.871574][ T6964] kobject_init_and_add+0x124/0x190 [ 237.872433][ T6964] gfs2_sys_fs_add+0x200/0x41c [ 237.873218][ T6964] gfs2_fill_super+0xddc/0x1a18 [ 237.873962][ T6964] get_tree_bdev+0x358/0x544 [ 237.874682][ T6964] gfs2_get_tree+0x54/0x1b4 [ 237.875391][ T6964] vfs_get_tree+0x90/0x274 [ 237.876083][ T6964] do_new_mount+0x228/0x810 [ 237.876795][ T6964] path_mount+0x5bc/0x1008 [ 237.877489][ T6964] __arm64_sys_mount+0x514/0x5f0 [ 237.878266][ T6964] invoke_syscall+0x98/0x2b0 [ 237.878984][ T6964] el0_svc_common+0x138/0x258 [ 237.879712][ T6964] do_el0_svc+0x58/0x13c [ 237.880350][ T6964] el0_svc+0x78/0x1d0 [ 237.880982][ T6964] el0t_64_sync_handler+0xcc/0xe4 [ 237.881730][ T6964] el0t_64_sync+0x1a0/0x1a4 [ 237.884397][ T6964] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 237.886219][ T6964] gfs2: fsid=}: error -17 adding sysfs files [ 237.943893][ T27] INFO: task syz-executor:4729 blocked for more than 143 seconds. [ 237.945295][ T27] Not tainted syzkaller #0 [ 237.946041][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 237.947335][ T27] task:syz-executor state:D stack: 0 pid: 4729 ppid: 1 flags:0x00000001 [ 237.948480][ T27] Call trace: [ 237.948897][ T27] __switch_to+0x2f4/0x540 [ 237.949568][ T27] __schedule+0xdfc/0x1bc4 [ 237.950248][ T27] schedule+0x11c/0x1c8 [ 237.950911][ T27] bit_wait+0x1c/0xac [ 237.951602][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 237.952459][ T27] gfs2_glock_nq+0x8f8/0x1404 [ 237.953776][ T27] __gfs2_lookup+0x120/0x28c [ 237.954613][ T27] gfs2_lookup+0x2c/0x3c [ 237.955327][ T27] __lookup_slow+0x25c/0x39c [ 237.956115][ T27] lookup_slow+0x5c/0x80 [ 237.956787][ T27] walk_component+0x2b0/0x3a8 [ 237.957577][ T27] path_lookupat+0x13c/0x3d0 [ 237.958328][ T27] filename_lookup+0x1b4/0x464 [ 237.959136][ T27] user_path_at_empty+0x5c/0x1a0 [ 237.960015][ T27] __arm64_sys_umount+0xf8/0x184 [ 237.960821][ T27] invoke_syscall+0x98/0x2b0 [ 237.961578][ T27] el0_svc_common+0x138/0x258 [ 237.962329][ T27] do_el0_svc+0x58/0x13c [ 237.975053][ T27] el0_svc+0x78/0x1d0 [ 237.975668][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 237.976482][ T27] el0t_64_sync+0x1a0/0x1a4 [ 237.977270][ T27] [ 237.977270][ T27] Showing all locks held in the system: [ 237.978545][ T27] 1 lock held by khungtaskd/27: [ 237.979318][ T27] #0: ffff800014471360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 237.980758][ T27] 2 locks held by kworker/1:2/1540: [ 237.981576][ T27] #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x678/0x1138 [ 237.984144][ T27] #1: ffff800023647c00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 237.986101][ T27] 2 locks held by getty/3801: [ 237.986777][ T27] #0: ffff0000d3f76098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 237.988217][ T27] #1: ffff80001b9032e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 237.989957][ T27] 1 lock held by syz-executor/4729: [ 237.990791][ T27] #0: ffff0000ef018818 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 237.992405][ T27] 1 lock held by syz.1.681/6967: [ 237.994937][ T27] [ 237.995302][ T27] ============================================= [ 237.995302][ T27] [ 237.996626][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 237.997675][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 237.998783][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 238.000366][ T27] Call trace: [ 238.000873][ T27] dump_backtrace+0x0/0x458 [ 238.001586][ T27] show_stack+0x2c/0x3c [ 238.002244][ T27] __dump_stack+0x30/0x40 [ 238.002948][ T27] dump_stack_lvl+0xf4/0x15c [ 238.003702][ T27] dump_stack+0x1c/0x5c [ 238.004404][ T27] panic+0x2fc/0x860 [ 238.005058][ T27] hung_task_panic+0x0/0x2c [ 238.005841][ T27] kthread+0x374/0x454 [ 238.006522][ T27] ret_from_fork+0x10/0x20 [ 238.007165][ T27] SMP: stopping secondary CPUs [ 238.007909][ T27] Kernel Offset: disabled [ 238.008550][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 238.009487][ T27] Memory Limit: none [ 238.372661][ T27] Rebooting in 86400 seconds..