sfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 183.707288][ T6315] CPU: 0 PID: 6315 Comm: syz.1.473 Not tainted syzkaller #0 [ 183.708340][ T6315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 183.709652][ T6315] Call trace: [ 183.710076][ T6315] dump_backtrace+0x0/0x458 [ 183.710673][ T6315] show_stack+0x2c/0x3c [ 183.711245][ T6315] __dump_stack+0x30/0x40 [ 183.711772][ T6315] dump_stack_lvl+0xf4/0x15c [ 183.712356][ T6315] dump_stack+0x1c/0x5c [ 183.712899][ T6315] sysfs_create_dir_ns+0x244/0x264 [ 183.713584][ T6315] kobject_add_internal+0x594/0xc2c [ 183.714350][ T6315] kobject_init_and_add+0x128/0x194 [ 183.715096][ T6315] gfs2_sys_fs_add+0x208/0x428 [ 183.715881][ T6315] gfs2_fill_super+0xe20/0x1a9c [ 183.716556][ T6315] get_tree_bdev+0x35c/0x54c [ 183.717242][ T6315] gfs2_get_tree+0x58/0x1b8 [ 183.717970][ T6315] vfs_get_tree+0x90/0x278 [ 183.718577][ T6315] do_new_mount+0x228/0x804 [ 183.719169][ T6315] path_mount+0x57c/0xfe8 [ 183.719729][ T6315] __arm64_sys_mount+0x488/0x5f8 [ 183.720364][ T6315] invoke_syscall+0x98/0x28c [ 183.721017][ T6315] el0_svc_common+0x13c/0x258 [ 183.721616][ T6315] do_el0_svc+0x5c/0x140 [ 183.722206][ T6315] el0_svc+0x78/0x1d0 [ 183.722805][ T6315] el0t_64_sync_handler+0xcc/0xe4 [ 183.723471][ T6315] el0t_64_sync+0x1a0/0x1a4 [ 183.725419][ T6315] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 183.727317][ T6315] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 183.872011][ T6318] loop1: detected capacity change from 0 to 32768 [ 183.924636][ T6318] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 183.925790][ T6318] CPU: 1 PID: 6318 Comm: syz.1.474 Not tainted syzkaller #0 [ 183.926820][ T6318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 183.928160][ T6318] Call trace: [ 183.928612][ T6318] dump_backtrace+0x0/0x458 [ 183.929225][ T6318] show_stack+0x2c/0x3c [ 183.929789][ T6318] __dump_stack+0x30/0x40 [ 183.930433][ T6318] dump_stack_lvl+0xf4/0x15c [ 183.931127][ T6318] dump_stack+0x1c/0x5c [ 183.931715][ T6318] sysfs_create_dir_ns+0x244/0x264 [ 183.932426][ T6318] kobject_add_internal+0x594/0xc2c [ 183.933142][ T6318] kobject_init_and_add+0x128/0x194 [ 183.933877][ T6318] gfs2_sys_fs_add+0x208/0x428 [ 183.934474][ T6318] gfs2_fill_super+0xe20/0x1a9c [ 183.935153][ T6318] get_tree_bdev+0x35c/0x54c [ 183.935788][ T6318] gfs2_get_tree+0x58/0x1b8 [ 183.936467][ T6318] vfs_get_tree+0x90/0x278 [ 183.937069][ T6318] do_new_mount+0x228/0x804 [ 183.937681][ T6318] path_mount+0x57c/0xfe8 [ 183.938257][ T6318] __arm64_sys_mount+0x488/0x5f8 [ 183.938952][ T6318] invoke_syscall+0x98/0x28c [ 183.939569][ T6318] el0_svc_common+0x13c/0x258 [ 183.940222][ T6318] do_el0_svc+0x5c/0x140 [ 183.940804][ T6318] el0_svc+0x78/0x1d0 [ 183.941372][ T6318] el0t_64_sync_handler+0xcc/0xe4 [ 183.942045][ T6318] el0t_64_sync+0x1a0/0x1a4 [ 183.944324][ T6318] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 183.946137][ T6318] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 184.083019][ T6321] loop1: detected capacity change from 0 to 32768 [ 184.158222][ T6321] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 184.159345][ T6321] CPU: 1 PID: 6321 Comm: syz.1.475 Not tainted syzkaller #0 [ 184.160378][ T6321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 184.161891][ T6321] Call trace: [ 184.162387][ T6321] dump_backtrace+0x0/0x458 [ 184.163027][ T6321] show_stack+0x2c/0x3c [ 184.163590][ T6321] __dump_stack+0x30/0x40 [ 184.164147][ T6321] dump_stack_lvl+0xf4/0x15c [ 184.164787][ T6321] dump_stack+0x1c/0x5c [ 184.165358][ T6321] sysfs_create_dir_ns+0x244/0x264 [ 184.166013][ T6321] kobject_add_internal+0x594/0xc2c [ 184.166733][ T6321] kobject_init_and_add+0x128/0x194 [ 184.167400][ T6321] gfs2_sys_fs_add+0x208/0x428 [ 184.168072][ T6321] gfs2_fill_super+0xe20/0x1a9c [ 184.168819][ T6321] get_tree_bdev+0x35c/0x54c [ 184.169449][ T6321] gfs2_get_tree+0x58/0x1b8 [ 184.170124][ T6321] vfs_get_tree+0x90/0x278 [ 184.170750][ T6321] do_new_mount+0x228/0x804 [ 184.171378][ T6321] path_mount+0x57c/0xfe8 [ 184.171951][ T6321] __arm64_sys_mount+0x488/0x5f8 [ 184.172652][ T6321] invoke_syscall+0x98/0x28c [ 184.173238][ T6321] el0_svc_common+0x13c/0x258 [ 184.173873][ T6321] do_el0_svc+0x5c/0x140 [ 184.174413][ T6321] el0_svc+0x78/0x1d0 [ 184.174953][ T6321] el0t_64_sync_handler+0xcc/0xe4 [ 184.175664][ T6321] el0t_64_sync+0x1a0/0x1a4 [ 184.177977][ T6321] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 184.179856][ T6321] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 184.312644][ T6324] loop1: detected capacity change from 0 to 32768 [ 184.371537][ T6324] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 184.372596][ T6324] CPU: 0 PID: 6324 Comm: syz.1.476 Not tainted syzkaller #0 [ 184.373642][ T6324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 184.375012][ T6324] Call trace: [ 184.375477][ T6324] dump_backtrace+0x0/0x458 [ 184.376161][ T6324] show_stack+0x2c/0x3c [ 184.376768][ T6324] __dump_stack+0x30/0x40 [ 184.377448][ T6324] dump_stack_lvl+0xf4/0x15c [ 184.378049][ T6324] dump_stack+0x1c/0x5c [ 184.378599][ T6324] sysfs_create_dir_ns+0x244/0x264 [ 184.379320][ T6324] kobject_add_internal+0x594/0xc2c [ 184.380132][ T6324] kobject_init_and_add+0x128/0x194 [ 184.380888][ T6324] gfs2_sys_fs_add+0x208/0x428 [ 184.381533][ T6324] gfs2_fill_super+0xe20/0x1a9c [ 184.382232][ T6324] get_tree_bdev+0x35c/0x54c [ 184.382860][ T6324] gfs2_get_tree+0x58/0x1b8 [ 184.383432][ T6324] vfs_get_tree+0x90/0x278 [ 184.384022][ T6324] do_new_mount+0x228/0x804 [ 184.384659][ T6324] path_mount+0x57c/0xfe8 [ 184.385199][ T6324] __arm64_sys_mount+0x488/0x5f8 [ 184.385844][ T6324] invoke_syscall+0x98/0x28c [ 184.386477][ T6324] el0_svc_common+0x13c/0x258 [ 184.387142][ T6324] do_el0_svc+0x5c/0x140 [ 184.387806][ T6324] el0_svc+0x78/0x1d0 [ 184.388343][ T6324] el0t_64_sync_handler+0xcc/0xe4 [ 184.389041][ T6324] el0t_64_sync+0x1a0/0x1a4 [ 184.391179][ T6324] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 184.393037][ T6324] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 184.532934][ T6327] loop1: detected capacity change from 0 to 32768 [ 184.540921][ T6327] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 184.542031][ T6327] CPU: 1 PID: 6327 Comm: syz.1.477 Not tainted syzkaller #0 [ 184.543111][ T6327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 184.544629][ T6327] Call trace: [ 184.545143][ T6327] dump_backtrace+0x0/0x458 [ 184.545790][ T6327] show_stack+0x2c/0x3c [ 184.546368][ T6327] __dump_stack+0x30/0x40 [ 184.546939][ T6327] dump_stack_lvl+0xf4/0x15c [ 184.547561][ T6327] dump_stack+0x1c/0x5c [ 184.548167][ T6327] sysfs_create_dir_ns+0x244/0x264 [ 184.548895][ T6327] kobject_add_internal+0x594/0xc2c [ 184.549675][ T6327] kobject_init_and_add+0x128/0x194 [ 184.550406][ T6327] gfs2_sys_fs_add+0x208/0x428 [ 184.551058][ T6327] gfs2_fill_super+0xe20/0x1a9c [ 184.551805][ T6327] get_tree_bdev+0x35c/0x54c [ 184.552451][ T6327] gfs2_get_tree+0x58/0x1b8 [ 184.553083][ T6327] vfs_get_tree+0x90/0x278 [ 184.553720][ T6327] do_new_mount+0x228/0x804 [ 184.554379][ T6327] path_mount+0x57c/0xfe8 [ 184.554981][ T6327] __arm64_sys_mount+0x488/0x5f8 [ 184.555653][ T6327] invoke_syscall+0x98/0x28c [ 184.556241][ T6327] el0_svc_common+0x13c/0x258 [ 184.556842][ T6327] do_el0_svc+0x5c/0x140 [ 184.557404][ T6327] el0_svc+0x78/0x1d0 [ 184.558001][ T6327] el0t_64_sync_handler+0xcc/0xe4 [ 184.558647][ T6327] el0t_64_sync+0x1a0/0x1a4 [ 184.559414][ T6327] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 184.561080][ T6327] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 184.724573][ T6330] loop1: detected capacity change from 0 to 32768 [ 184.771579][ T6330] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 184.772760][ T6330] CPU: 0 PID: 6330 Comm: syz.1.478 Not tainted syzkaller #0 [ 184.773845][ T6330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 184.775267][ T6330] Call trace: [ 184.775737][ T6330] dump_backtrace+0x0/0x458 [ 184.776435][ T6330] show_stack+0x2c/0x3c [ 184.776999][ T6330] __dump_stack+0x30/0x40 [ 184.777640][ T6330] dump_stack_lvl+0xf4/0x15c [ 184.778263][ T6330] dump_stack+0x1c/0x5c [ 184.778835][ T6330] sysfs_create_dir_ns+0x244/0x264 [ 184.779551][ T6330] kobject_add_internal+0x594/0xc2c [ 184.780204][ T6330] kobject_init_and_add+0x128/0x194 [ 184.780928][ T6330] gfs2_sys_fs_add+0x208/0x428 [ 184.781571][ T6330] gfs2_fill_super+0xe20/0x1a9c [ 184.782227][ T6330] get_tree_bdev+0x35c/0x54c [ 184.782791][ T6330] gfs2_get_tree+0x58/0x1b8 [ 184.783361][ T6330] vfs_get_tree+0x90/0x278 [ 184.783960][ T6330] do_new_mount+0x228/0x804 [ 184.784602][ T6330] path_mount+0x57c/0xfe8 [ 184.785258][ T6330] __arm64_sys_mount+0x488/0x5f8 [ 184.785953][ T6330] invoke_syscall+0x98/0x28c [ 184.786611][ T6330] el0_svc_common+0x13c/0x258 [ 184.787297][ T6330] do_el0_svc+0x5c/0x140 [ 184.787963][ T6330] el0_svc+0x78/0x1d0 [ 184.788540][ T6330] el0t_64_sync_handler+0xcc/0xe4 [ 184.789321][ T6330] el0t_64_sync+0x1a0/0x1a4 [ 184.791436][ T6330] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 184.793188][ T6330] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 184.927971][ T6333] loop1: detected capacity change from 0 to 32768 [ 184.966185][ T6333] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 184.967358][ T6333] CPU: 1 PID: 6333 Comm: syz.1.479 Not tainted syzkaller #0 [ 184.968379][ T6333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 184.969716][ T6333] Call trace: [ 184.970142][ T6333] dump_backtrace+0x0/0x458 [ 184.970807][ T6333] show_stack+0x2c/0x3c [ 184.971443][ T6333] __dump_stack+0x30/0x40 [ 184.972055][ T6333] dump_stack_lvl+0xf4/0x15c [ 184.972677][ T6333] dump_stack+0x1c/0x5c [ 184.973278][ T6333] sysfs_create_dir_ns+0x244/0x264 [ 184.974018][ T6333] kobject_add_internal+0x594/0xc2c [ 184.974792][ T6333] kobject_init_and_add+0x128/0x194 [ 184.975446][ T6333] gfs2_sys_fs_add+0x208/0x428 [ 184.976098][ T6333] gfs2_fill_super+0xe20/0x1a9c [ 184.976774][ T6333] get_tree_bdev+0x35c/0x54c [ 184.977433][ T6333] gfs2_get_tree+0x58/0x1b8 [ 184.978077][ T6333] vfs_get_tree+0x90/0x278 [ 184.978706][ T6333] do_new_mount+0x228/0x804 [ 184.979320][ T6333] path_mount+0x57c/0xfe8 [ 184.979850][ T6333] __arm64_sys_mount+0x488/0x5f8 [ 184.980521][ T6333] invoke_syscall+0x98/0x28c [ 184.981083][ T6333] el0_svc_common+0x13c/0x258 [ 184.981661][ T6333] do_el0_svc+0x5c/0x140 [ 184.982222][ T6333] el0_svc+0x78/0x1d0 [ 184.982823][ T6333] el0t_64_sync_handler+0xcc/0xe4 [ 184.983498][ T6333] el0t_64_sync+0x1a0/0x1a4 [ 184.984409][ T6333] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 184.986357][ T6333] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 185.120535][ T6336] loop1: detected capacity change from 0 to 32768 [ 185.219649][ T6336] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 185.220681][ T6336] CPU: 0 PID: 6336 Comm: syz.1.480 Not tainted syzkaller #0 [ 185.221701][ T6336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 185.223027][ T6336] Call trace: [ 185.223445][ T6336] dump_backtrace+0x0/0x458 [ 185.224058][ T6336] show_stack+0x2c/0x3c [ 185.224601][ T6336] __dump_stack+0x30/0x40 [ 185.225170][ T6336] dump_stack_lvl+0xf4/0x15c [ 185.225762][ T6336] dump_stack+0x1c/0x5c [ 185.226262][ T6336] sysfs_create_dir_ns+0x244/0x264 [ 185.226916][ T6336] kobject_add_internal+0x594/0xc2c [ 185.227674][ T6336] kobject_init_and_add+0x128/0x194 [ 185.228345][ T6336] gfs2_sys_fs_add+0x208/0x428 [ 185.229014][ T6336] gfs2_fill_super+0xe20/0x1a9c [ 185.229726][ T6336] get_tree_bdev+0x35c/0x54c [ 185.230385][ T6336] gfs2_get_tree+0x58/0x1b8 [ 185.231000][ T6336] vfs_get_tree+0x90/0x278 [ 185.231626][ T6336] do_new_mount+0x228/0x804 [ 185.232207][ T6336] path_mount+0x57c/0xfe8 [ 185.232770][ T6336] __arm64_sys_mount+0x488/0x5f8 [ 185.233407][ T6336] invoke_syscall+0x98/0x28c [ 185.234023][ T6336] el0_svc_common+0x13c/0x258 [ 185.234613][ T6336] do_el0_svc+0x5c/0x140 [ 185.235187][ T6336] el0_svc+0x78/0x1d0 [ 185.235717][ T6336] el0t_64_sync_handler+0xcc/0xe4 [ 185.236409][ T6336] el0t_64_sync+0x1a0/0x1a4 [ 185.238915][ T6336] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 185.240509][ T6336] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 185.376581][ T6339] loop1: detected capacity change from 0 to 32768 [ 185.383361][ T6339] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 185.384408][ T6339] CPU: 0 PID: 6339 Comm: syz.1.481 Not tainted syzkaller #0 [ 185.385385][ T6339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 185.386695][ T6339] Call trace: [ 185.387117][ T6339] dump_backtrace+0x0/0x458 [ 185.387701][ T6339] show_stack+0x2c/0x3c [ 185.388297][ T6339] __dump_stack+0x30/0x40 [ 185.388918][ T6339] dump_stack_lvl+0xf4/0x15c [ 185.389536][ T6339] dump_stack+0x1c/0x5c [ 185.390119][ T6339] sysfs_create_dir_ns+0x244/0x264 [ 185.390836][ T6339] kobject_add_internal+0x594/0xc2c [ 185.391560][ T6339] kobject_init_and_add+0x128/0x194 [ 185.392275][ T6339] gfs2_sys_fs_add+0x208/0x428 [ 185.392865][ T6339] gfs2_fill_super+0xe20/0x1a9c [ 185.393544][ T6339] get_tree_bdev+0x35c/0x54c [ 185.394182][ T6339] gfs2_get_tree+0x58/0x1b8 [ 185.394906][ T6339] vfs_get_tree+0x90/0x278 [ 185.395571][ T6339] do_new_mount+0x228/0x804 [ 185.396213][ T6339] path_mount+0x57c/0xfe8 [ 185.396824][ T6339] __arm64_sys_mount+0x488/0x5f8 [ 185.397479][ T6339] invoke_syscall+0x98/0x28c [ 185.398121][ T6339] el0_svc_common+0x13c/0x258 [ 185.398765][ T6339] do_el0_svc+0x5c/0x140 [ 185.399324][ T6339] el0_svc+0x78/0x1d0 [ 185.399902][ T6339] el0t_64_sync_handler+0xcc/0xe4 [ 185.400666][ T6339] el0t_64_sync+0x1a0/0x1a4 [ 185.403965][ T6339] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 185.405857][ T6339] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 185.692332][ T6342] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 185.693543][ T6342] CPU: 1 PID: 6342 Comm: syz.1.482 Not tainted syzkaller #0 [ 185.694529][ T6342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 185.695960][ T6342] Call trace: [ 185.696412][ T6342] dump_backtrace+0x0/0x458 [ 185.697070][ T6342] show_stack+0x2c/0x3c [ 185.697670][ T6342] __dump_stack+0x30/0x40 [ 185.698273][ T6342] dump_stack_lvl+0xf4/0x15c [ 185.698893][ T6342] dump_stack+0x1c/0x5c [ 185.699459][ T6342] sysfs_create_dir_ns+0x244/0x264 [ 185.700170][ T6342] kobject_add_internal+0x594/0xc2c [ 185.700874][ T6342] kobject_init_and_add+0x128/0x194 [ 185.701619][ T6342] gfs2_sys_fs_add+0x208/0x428 [ 185.702308][ T6342] gfs2_fill_super+0xe20/0x1a9c [ 185.702931][ T6342] get_tree_bdev+0x35c/0x54c [ 185.703640][ T6342] gfs2_get_tree+0x58/0x1b8 [ 185.704309][ T6342] vfs_get_tree+0x90/0x278 [ 185.704961][ T6342] do_new_mount+0x228/0x804 [ 185.705589][ T6342] path_mount+0x57c/0xfe8 [ 185.706180][ T6342] __arm64_sys_mount+0x488/0x5f8 [ 185.706893][ T6342] invoke_syscall+0x98/0x28c [ 185.707533][ T6342] el0_svc_common+0x13c/0x258 [ 185.708243][ T6342] do_el0_svc+0x5c/0x140 [ 185.708781][ T6342] el0_svc+0x78/0x1d0 [ 185.709392][ T6342] el0t_64_sync_handler+0xcc/0xe4 [ 185.710134][ T6342] el0t_64_sync+0x1a0/0x1a4 [ 185.710945][ T6342] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 185.712680][ T6342] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 185.854459][ T6345] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 185.855633][ T6345] CPU: 0 PID: 6345 Comm: syz.1.483 Not tainted syzkaller #0 [ 185.856699][ T6345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 185.858106][ T6345] Call trace: [ 185.858490][ T6345] dump_backtrace+0x0/0x458 [ 185.859096][ T6345] show_stack+0x2c/0x3c [ 185.859562][ T6345] __dump_stack+0x30/0x40 [ 185.860139][ T6345] dump_stack_lvl+0xf4/0x15c [ 185.860743][ T6345] dump_stack+0x1c/0x5c [ 185.861252][ T6345] sysfs_create_dir_ns+0x244/0x264 [ 185.861962][ T6345] kobject_add_internal+0x594/0xc2c [ 185.862663][ T6345] kobject_init_and_add+0x128/0x194 [ 185.863348][ T6345] gfs2_sys_fs_add+0x208/0x428 [ 185.863959][ T6345] gfs2_fill_super+0xe20/0x1a9c [ 185.864597][ T6345] get_tree_bdev+0x35c/0x54c [ 185.865238][ T6345] gfs2_get_tree+0x58/0x1b8 [ 185.865886][ T6345] vfs_get_tree+0x90/0x278 [ 185.866541][ T6345] do_new_mount+0x228/0x804 [ 185.867065][ T6345] path_mount+0x57c/0xfe8 [ 185.867683][ T6345] __arm64_sys_mount+0x488/0x5f8 [ 185.868395][ T6345] invoke_syscall+0x98/0x28c [ 185.868980][ T6345] el0_svc_common+0x13c/0x258 [ 185.869603][ T6345] do_el0_svc+0x5c/0x140 [ 185.870216][ T6345] el0_svc+0x78/0x1d0 [ 185.870750][ T6345] el0t_64_sync_handler+0xcc/0xe4 [ 185.871430][ T6345] el0t_64_sync+0x1a0/0x1a4 [ 185.873847][ T6345] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 185.875873][ T6345] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 186.053846][ T6348] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 186.054923][ T6348] CPU: 0 PID: 6348 Comm: syz.1.484 Not tainted syzkaller #0 [ 186.055822][ T6348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 186.057200][ T6348] Call trace: [ 186.057669][ T6348] dump_backtrace+0x0/0x458 [ 186.058315][ T6348] show_stack+0x2c/0x3c [ 186.058893][ T6348] __dump_stack+0x30/0x40 [ 186.059508][ T6348] dump_stack_lvl+0xf4/0x15c [ 186.060105][ T6348] dump_stack+0x1c/0x5c [ 186.060728][ T6348] sysfs_create_dir_ns+0x244/0x264 [ 186.061391][ T6348] kobject_add_internal+0x594/0xc2c [ 186.062141][ T6348] kobject_init_and_add+0x128/0x194 [ 186.062891][ T6348] gfs2_sys_fs_add+0x208/0x428 [ 186.063543][ T6348] gfs2_fill_super+0xe20/0x1a9c [ 186.064213][ T6348] get_tree_bdev+0x35c/0x54c [ 186.064832][ T6348] gfs2_get_tree+0x58/0x1b8 [ 186.065394][ T6348] vfs_get_tree+0x90/0x278 [ 186.066034][ T6348] do_new_mount+0x228/0x804 [ 186.066659][ T6348] path_mount+0x57c/0xfe8 [ 186.067248][ T6348] __arm64_sys_mount+0x488/0x5f8 [ 186.067980][ T6348] invoke_syscall+0x98/0x28c [ 186.068570][ T6348] el0_svc_common+0x13c/0x258 [ 186.069219][ T6348] do_el0_svc+0x5c/0x140 [ 186.069771][ T6348] el0_svc+0x78/0x1d0 [ 186.070338][ T6348] el0t_64_sync_handler+0xcc/0xe4 [ 186.071063][ T6348] el0t_64_sync+0x1a0/0x1a4 [ 186.071982][ T6348] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 186.073623][ T6348] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 186.296161][ T6351] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 186.297193][ T6351] CPU: 0 PID: 6351 Comm: syz.1.485 Not tainted syzkaller #0 [ 186.298163][ T6351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 186.299448][ T6351] Call trace: [ 186.299881][ T6351] dump_backtrace+0x0/0x458 [ 186.300539][ T6351] show_stack+0x2c/0x3c [ 186.301131][ T6351] __dump_stack+0x30/0x40 [ 186.301708][ T6351] dump_stack_lvl+0xf4/0x15c [ 186.302343][ T6351] dump_stack+0x1c/0x5c [ 186.302919][ T6351] sysfs_create_dir_ns+0x244/0x264 [ 186.303587][ T6351] kobject_add_internal+0x594/0xc2c [ 186.304288][ T6351] kobject_init_and_add+0x128/0x194 [ 186.304970][ T6351] gfs2_sys_fs_add+0x208/0x428 [ 186.305625][ T6351] gfs2_fill_super+0xe20/0x1a9c [ 186.306235][ T6351] get_tree_bdev+0x35c/0x54c [ 186.306861][ T6351] gfs2_get_tree+0x58/0x1b8 [ 186.307435][ T6351] vfs_get_tree+0x90/0x278 [ 186.308015][ T6351] do_new_mount+0x228/0x804 [ 186.308647][ T6351] path_mount+0x57c/0xfe8 [ 186.309235][ T6351] __arm64_sys_mount+0x488/0x5f8 [ 186.309888][ T6351] invoke_syscall+0x98/0x28c [ 186.310505][ T6351] el0_svc_common+0x13c/0x258 [ 186.311181][ T6351] do_el0_svc+0x5c/0x140 [ 186.311764][ T6351] el0_svc+0x78/0x1d0 [ 186.312292][ T6351] el0t_64_sync_handler+0xcc/0xe4 [ 186.312924][ T6351] el0t_64_sync+0x1a0/0x1a4 [ 186.318496][ T6351] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 186.320533][ T6351] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 186.516191][ T6354] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 186.517913][ T6354] CPU: 0 PID: 6354 Comm: syz.1.486 Not tainted syzkaller #0 [ 186.518862][ T6354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 186.520206][ T6354] Call trace: [ 186.520708][ T6354] dump_backtrace+0x0/0x458 [ 186.521275][ T6354] show_stack+0x2c/0x3c [ 186.521898][ T6354] __dump_stack+0x30/0x40 [ 186.522539][ T6354] dump_stack_lvl+0xf4/0x15c [ 186.523155][ T6354] dump_stack+0x1c/0x5c [ 186.523722][ T6354] sysfs_create_dir_ns+0x244/0x264 [ 186.524474][ T6354] kobject_add_internal+0x594/0xc2c [ 186.525135][ T6354] kobject_init_and_add+0x128/0x194 [ 186.525903][ T6354] gfs2_sys_fs_add+0x208/0x428 [ 186.526559][ T6354] gfs2_fill_super+0xe20/0x1a9c [ 186.527275][ T6354] get_tree_bdev+0x35c/0x54c [ 186.527982][ T6354] gfs2_get_tree+0x58/0x1b8 [ 186.528665][ T6354] vfs_get_tree+0x90/0x278 [ 186.529282][ T6354] do_new_mount+0x228/0x804 [ 186.529860][ T6354] path_mount+0x57c/0xfe8 [ 186.530424][ T6354] __arm64_sys_mount+0x488/0x5f8 [ 186.531162][ T6354] invoke_syscall+0x98/0x28c [ 186.531789][ T6354] el0_svc_common+0x13c/0x258 [ 186.532457][ T6354] do_el0_svc+0x5c/0x140 [ 186.533058][ T6354] el0_svc+0x78/0x1d0 [ 186.533667][ T6354] el0t_64_sync_handler+0xcc/0xe4 [ 186.534339][ T6354] el0t_64_sync+0x1a0/0x1a4 [ 186.540692][ T6354] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 186.542522][ T6354] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 186.776233][ T6357] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 186.782134][ T6357] CPU: 0 PID: 6357 Comm: syz.1.487 Not tainted syzkaller #0 [ 186.783198][ T6357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 186.784515][ T6357] Call trace: [ 186.784969][ T6357] dump_backtrace+0x0/0x458 [ 186.785562][ T6357] show_stack+0x2c/0x3c [ 186.786144][ T6357] __dump_stack+0x30/0x40 [ 186.786681][ T6357] dump_stack_lvl+0xf4/0x15c [ 186.787290][ T6357] dump_stack+0x1c/0x5c [ 186.787841][ T6357] sysfs_create_dir_ns+0x244/0x264 [ 186.788551][ T6357] kobject_add_internal+0x594/0xc2c [ 186.789314][ T6357] kobject_init_and_add+0x128/0x194 [ 186.789985][ T6357] gfs2_sys_fs_add+0x208/0x428 [ 186.790729][ T6357] gfs2_fill_super+0xe20/0x1a9c [ 186.791371][ T6357] get_tree_bdev+0x35c/0x54c [ 186.792049][ T6357] gfs2_get_tree+0x58/0x1b8 [ 186.792632][ T6357] vfs_get_tree+0x90/0x278 [ 186.793239][ T6357] do_new_mount+0x228/0x804 [ 186.793840][ T6357] path_mount+0x57c/0xfe8 [ 186.794447][ T6357] __arm64_sys_mount+0x488/0x5f8 [ 186.795085][ T6357] invoke_syscall+0x98/0x28c [ 186.795639][ T6357] el0_svc_common+0x13c/0x258 [ 186.796316][ T6357] do_el0_svc+0x5c/0x140 [ 186.796907][ T6357] el0_svc+0x78/0x1d0 [ 186.797414][ T6357] el0t_64_sync_handler+0xcc/0xe4 [ 186.798102][ T6357] el0t_64_sync+0x1a0/0x1a4 [ 186.799766][ T6357] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 186.801473][ T6357] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 186.942568][ T6360] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 186.943683][ T6360] CPU: 1 PID: 6360 Comm: syz.1.488 Not tainted syzkaller #0 [ 186.944753][ T6360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 186.946174][ T6360] Call trace: [ 186.946677][ T6360] dump_backtrace+0x0/0x458 [ 186.947280][ T6360] show_stack+0x2c/0x3c [ 186.947863][ T6360] __dump_stack+0x30/0x40 [ 186.948454][ T6360] dump_stack_lvl+0xf4/0x15c [ 186.949109][ T6360] dump_stack+0x1c/0x5c [ 186.949677][ T6360] sysfs_create_dir_ns+0x244/0x264 [ 186.950416][ T6360] kobject_add_internal+0x594/0xc2c [ 186.951118][ T6360] kobject_init_and_add+0x128/0x194 [ 186.951862][ T6360] gfs2_sys_fs_add+0x208/0x428 [ 186.952469][ T6360] gfs2_fill_super+0xe20/0x1a9c [ 186.953161][ T6360] get_tree_bdev+0x35c/0x54c [ 186.953767][ T6360] gfs2_get_tree+0x58/0x1b8 [ 186.954446][ T6360] vfs_get_tree+0x90/0x278 [ 186.955023][ T6360] do_new_mount+0x228/0x804 [ 186.955703][ T6360] path_mount+0x57c/0xfe8 [ 186.956283][ T6360] __arm64_sys_mount+0x488/0x5f8 [ 186.956989][ T6360] invoke_syscall+0x98/0x28c [ 186.957588][ T6360] el0_svc_common+0x13c/0x258 [ 186.958230][ T6360] do_el0_svc+0x5c/0x140 [ 186.958794][ T6360] el0_svc+0x78/0x1d0 [ 186.959336][ T6360] el0t_64_sync_handler+0xcc/0xe4 [ 186.960033][ T6360] el0t_64_sync+0x1a0/0x1a4 [ 186.962230][ T6360] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 186.964008][ T6360] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 187.146142][ T6363] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 187.147307][ T6363] CPU: 1 PID: 6363 Comm: syz.1.489 Not tainted syzkaller #0 [ 187.148278][ T6363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 187.149664][ T6363] Call trace: [ 187.150151][ T6363] dump_backtrace+0x0/0x458 [ 187.150799][ T6363] show_stack+0x2c/0x3c [ 187.151418][ T6363] __dump_stack+0x30/0x40 [ 187.152059][ T6363] dump_stack_lvl+0xf4/0x15c [ 187.152682][ T6363] dump_stack+0x1c/0x5c [ 187.153351][ T6363] sysfs_create_dir_ns+0x244/0x264 [ 187.154047][ T6363] kobject_add_internal+0x594/0xc2c [ 187.154790][ T6363] kobject_init_and_add+0x128/0x194 [ 187.155567][ T6363] gfs2_sys_fs_add+0x208/0x428 [ 187.156303][ T6363] gfs2_fill_super+0xe20/0x1a9c [ 187.156980][ T6363] get_tree_bdev+0x35c/0x54c [ 187.157587][ T6363] gfs2_get_tree+0x58/0x1b8 [ 187.158165][ T6363] vfs_get_tree+0x90/0x278 [ 187.158818][ T6363] do_new_mount+0x228/0x804 [ 187.159443][ T6363] path_mount+0x57c/0xfe8 [ 187.160062][ T6363] __arm64_sys_mount+0x488/0x5f8 [ 187.160748][ T6363] invoke_syscall+0x98/0x28c [ 187.161380][ T6363] el0_svc_common+0x13c/0x258 [ 187.162038][ T6363] do_el0_svc+0x5c/0x140 [ 187.162631][ T6363] el0_svc+0x78/0x1d0 [ 187.163210][ T6363] el0t_64_sync_handler+0xcc/0xe4 [ 187.163904][ T6363] el0t_64_sync+0x1a0/0x1a4 [ 187.166178][ T6363] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 187.167906][ T6363] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 187.309271][ T6366] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 187.310356][ T6366] CPU: 0 PID: 6366 Comm: syz.1.490 Not tainted syzkaller #0 [ 187.311401][ T6366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 187.312731][ T6366] Call trace: [ 187.313152][ T6366] dump_backtrace+0x0/0x458 [ 187.313774][ T6366] show_stack+0x2c/0x3c [ 187.314310][ T6366] __dump_stack+0x30/0x40 [ 187.314885][ T6366] dump_stack_lvl+0xf4/0x15c [ 187.315471][ T6366] dump_stack+0x1c/0x5c [ 187.316021][ T6366] sysfs_create_dir_ns+0x244/0x264 [ 187.316773][ T6366] kobject_add_internal+0x594/0xc2c [ 187.317542][ T6366] kobject_init_and_add+0x128/0x194 [ 187.318263][ T6366] gfs2_sys_fs_add+0x208/0x428 [ 187.318890][ T6366] gfs2_fill_super+0xe20/0x1a9c [ 187.319500][ T6366] get_tree_bdev+0x35c/0x54c [ 187.320144][ T6366] gfs2_get_tree+0x58/0x1b8 [ 187.320798][ T6366] vfs_get_tree+0x90/0x278 [ 187.321473][ T6366] do_new_mount+0x228/0x804 [ 187.322178][ T6366] path_mount+0x57c/0xfe8 [ 187.322797][ T6366] __arm64_sys_mount+0x488/0x5f8 [ 187.323465][ T6366] invoke_syscall+0x98/0x28c [ 187.324109][ T6366] el0_svc_common+0x13c/0x258 [ 187.324788][ T6366] do_el0_svc+0x5c/0x140 [ 187.325427][ T6366] el0_svc+0x78/0x1d0 [ 187.326028][ T6366] el0t_64_sync_handler+0xcc/0xe4 [ 187.326651][ T6366] el0t_64_sync+0x1a0/0x1a4 [ 187.329563][ T6366] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 187.331463][ T6366] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 187.483556][ T6369] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 187.484676][ T6369] CPU: 1 PID: 6369 Comm: syz.1.491 Not tainted syzkaller #0 [ 187.485641][ T6369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 187.486994][ T6369] Call trace: [ 187.487420][ T6369] dump_backtrace+0x0/0x458 [ 187.488080][ T6369] show_stack+0x2c/0x3c [ 187.488604][ T6369] __dump_stack+0x30/0x40 [ 187.489185][ T6369] dump_stack_lvl+0xf4/0x15c [ 187.489839][ T6369] dump_stack+0x1c/0x5c [ 187.490486][ T6369] sysfs_create_dir_ns+0x244/0x264 [ 187.491182][ T6369] kobject_add_internal+0x594/0xc2c [ 187.491901][ T6369] kobject_init_and_add+0x128/0x194 [ 187.492591][ T6369] gfs2_sys_fs_add+0x208/0x428 [ 187.493275][ T6369] gfs2_fill_super+0xe20/0x1a9c [ 187.493926][ T6369] get_tree_bdev+0x35c/0x54c [ 187.494632][ T6369] gfs2_get_tree+0x58/0x1b8 [ 187.495278][ T6369] vfs_get_tree+0x90/0x278 [ 187.495916][ T6369] do_new_mount+0x228/0x804 [ 187.496567][ T6369] path_mount+0x57c/0xfe8 [ 187.497167][ T6369] __arm64_sys_mount+0x488/0x5f8 [ 187.497871][ T6369] invoke_syscall+0x98/0x28c [ 187.498458][ T6369] el0_svc_common+0x13c/0x258 [ 187.499100][ T6369] do_el0_svc+0x5c/0x140 [ 187.499673][ T6369] el0_svc+0x78/0x1d0 [ 187.500270][ T6369] el0t_64_sync_handler+0xcc/0xe4 [ 187.500953][ T6369] el0t_64_sync+0x1a0/0x1a4 [ 187.503223][ T6369] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 187.505046][ T6369] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 187.654652][ T6372] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 187.655786][ T6372] CPU: 0 PID: 6372 Comm: syz.1.492 Not tainted syzkaller #0 [ 187.656777][ T6372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 187.658020][ T6372] Call trace: [ 187.658501][ T6372] dump_backtrace+0x0/0x458 [ 187.659174][ T6372] show_stack+0x2c/0x3c [ 187.659740][ T6372] __dump_stack+0x30/0x40 [ 187.660318][ T6372] dump_stack_lvl+0xf4/0x15c [ 187.660917][ T6372] dump_stack+0x1c/0x5c [ 187.661483][ T6372] sysfs_create_dir_ns+0x244/0x264 [ 187.662201][ T6372] kobject_add_internal+0x594/0xc2c [ 187.662958][ T6372] kobject_init_and_add+0x128/0x194 [ 187.663657][ T6372] gfs2_sys_fs_add+0x208/0x428 [ 187.664376][ T6372] gfs2_fill_super+0xe20/0x1a9c [ 187.665068][ T6372] get_tree_bdev+0x35c/0x54c [ 187.665723][ T6372] gfs2_get_tree+0x58/0x1b8 [ 187.666417][ T6372] vfs_get_tree+0x90/0x278 [ 187.667047][ T6372] do_new_mount+0x228/0x804 [ 187.667684][ T6372] path_mount+0x57c/0xfe8 [ 187.668362][ T6372] __arm64_sys_mount+0x488/0x5f8 [ 187.669055][ T6372] invoke_syscall+0x98/0x28c [ 187.669751][ T6372] el0_svc_common+0x13c/0x258 [ 187.670379][ T6372] do_el0_svc+0x5c/0x140 [ 187.670961][ T6372] el0_svc+0x78/0x1d0 [ 187.671540][ T6372] el0t_64_sync_handler+0xcc/0xe4 [ 187.672254][ T6372] el0t_64_sync+0x1a0/0x1a4 [ 187.674495][ T6372] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 187.676349][ T6372] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 187.901444][ T6375] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 187.902479][ T6375] CPU: 0 PID: 6375 Comm: syz.1.493 Not tainted syzkaller #0 [ 187.903448][ T6375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 187.904719][ T6375] Call trace: [ 187.905132][ T6375] dump_backtrace+0x0/0x458 [ 187.905715][ T6375] show_stack+0x2c/0x3c [ 187.906264][ T6375] __dump_stack+0x30/0x40 [ 187.906843][ T6375] dump_stack_lvl+0xf4/0x15c [ 187.907457][ T6375] dump_stack+0x1c/0x5c [ 187.907950][ T6375] sysfs_create_dir_ns+0x244/0x264 [ 187.908699][ T6375] kobject_add_internal+0x594/0xc2c [ 187.909354][ T6375] kobject_init_and_add+0x128/0x194 [ 187.910134][ T6375] gfs2_sys_fs_add+0x208/0x428 [ 187.910789][ T6375] gfs2_fill_super+0xe20/0x1a9c [ 187.911379][ T6375] get_tree_bdev+0x35c/0x54c [ 187.911970][ T6375] gfs2_get_tree+0x58/0x1b8 [ 187.912554][ T6375] vfs_get_tree+0x90/0x278 [ 187.913202][ T6375] do_new_mount+0x228/0x804 [ 187.913769][ T6375] path_mount+0x57c/0xfe8 [ 187.914386][ T6375] __arm64_sys_mount+0x488/0x5f8 [ 187.915077][ T6375] invoke_syscall+0x98/0x28c [ 187.915705][ T6375] el0_svc_common+0x13c/0x258 [ 187.916369][ T6375] do_el0_svc+0x5c/0x140 [ 187.916953][ T6375] el0_svc+0x78/0x1d0 [ 187.917454][ T6375] el0t_64_sync_handler+0xcc/0xe4 [ 187.918104][ T6375] el0t_64_sync+0x1a0/0x1a4 [ 187.920422][ T6375] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 187.922223][ T6375] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:07 executed programs: 480 [ 188.136470][ T6378] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 188.137712][ T6378] CPU: 0 PID: 6378 Comm: syz.1.494 Not tainted syzkaller #0 [ 188.138622][ T6378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 188.139924][ T6378] Call trace: [ 188.140428][ T6378] dump_backtrace+0x0/0x458 [ 188.141006][ T6378] show_stack+0x2c/0x3c [ 188.141656][ T6378] __dump_stack+0x30/0x40 [ 188.142268][ T6378] dump_stack_lvl+0xf4/0x15c [ 188.142924][ T6378] dump_stack+0x1c/0x5c [ 188.143449][ T6378] sysfs_create_dir_ns+0x244/0x264 [ 188.144169][ T6378] kobject_add_internal+0x594/0xc2c [ 188.144873][ T6378] kobject_init_and_add+0x128/0x194 [ 188.145548][ T6378] gfs2_sys_fs_add+0x208/0x428 [ 188.146214][ T6378] gfs2_fill_super+0xe20/0x1a9c [ 188.146863][ T6378] get_tree_bdev+0x35c/0x54c [ 188.147542][ T6378] gfs2_get_tree+0x58/0x1b8 [ 188.148212][ T6378] vfs_get_tree+0x90/0x278 [ 188.148829][ T6378] do_new_mount+0x228/0x804 [ 188.149492][ T6378] path_mount+0x57c/0xfe8 [ 188.150052][ T6378] __arm64_sys_mount+0x488/0x5f8 [ 188.150666][ T6378] invoke_syscall+0x98/0x28c [ 188.151223][ T6378] el0_svc_common+0x13c/0x258 [ 188.151872][ T6378] do_el0_svc+0x5c/0x140 [ 188.152497][ T6378] el0_svc+0x78/0x1d0 [ 188.153104][ T6378] el0t_64_sync_handler+0xcc/0xe4 [ 188.153763][ T6378] el0t_64_sync+0x1a0/0x1a4 [ 188.157348][ T6378] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 188.159163][ T6378] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 188.302418][ T6381] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 188.303649][ T6381] CPU: 1 PID: 6381 Comm: syz.1.495 Not tainted syzkaller #0 [ 188.304762][ T6381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 188.306246][ T6381] Call trace: [ 188.306726][ T6381] dump_backtrace+0x0/0x458 [ 188.307432][ T6381] show_stack+0x2c/0x3c [ 188.308019][ T6381] __dump_stack+0x30/0x40 [ 188.308710][ T6381] dump_stack_lvl+0xf4/0x15c [ 188.309425][ T6381] dump_stack+0x1c/0x5c [ 188.310139][ T6381] sysfs_create_dir_ns+0x244/0x264 [ 188.310952][ T6381] kobject_add_internal+0x594/0xc2c [ 188.311709][ T6381] kobject_init_and_add+0x128/0x194 [ 188.312513][ T6381] gfs2_sys_fs_add+0x208/0x428 [ 188.313141][ T6381] gfs2_fill_super+0xe20/0x1a9c [ 188.313879][ T6381] get_tree_bdev+0x35c/0x54c [ 188.314571][ T6381] gfs2_get_tree+0x58/0x1b8 [ 188.315310][ T6381] vfs_get_tree+0x90/0x278 [ 188.316070][ T6381] do_new_mount+0x228/0x804 [ 188.316723][ T6381] path_mount+0x57c/0xfe8 [ 188.317375][ T6381] __arm64_sys_mount+0x488/0x5f8 [ 188.318106][ T6381] invoke_syscall+0x98/0x28c [ 188.318746][ T6381] el0_svc_common+0x13c/0x258 [ 188.319491][ T6381] do_el0_svc+0x5c/0x140 [ 188.320129][ T6381] el0_svc+0x78/0x1d0 [ 188.320736][ T6381] el0t_64_sync_handler+0xcc/0xe4 [ 188.321454][ T6381] el0t_64_sync+0x1a0/0x1a4 [ 188.324346][ T6381] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 188.326144][ T6381] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 188.467556][ T6384] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 188.468671][ T6384] CPU: 1 PID: 6384 Comm: syz.1.496 Not tainted syzkaller #0 [ 188.469622][ T6384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 188.471095][ T6384] Call trace: [ 188.471567][ T6384] dump_backtrace+0x0/0x458 [ 188.472186][ T6384] show_stack+0x2c/0x3c [ 188.472814][ T6384] __dump_stack+0x30/0x40 [ 188.473376][ T6384] dump_stack_lvl+0xf4/0x15c [ 188.473996][ T6384] dump_stack+0x1c/0x5c [ 188.474590][ T6384] sysfs_create_dir_ns+0x244/0x264 [ 188.475238][ T6384] kobject_add_internal+0x594/0xc2c [ 188.475935][ T6384] kobject_init_and_add+0x128/0x194 [ 188.476760][ T6384] gfs2_sys_fs_add+0x208/0x428 [ 188.477494][ T6384] gfs2_fill_super+0xe20/0x1a9c [ 188.478245][ T6384] get_tree_bdev+0x35c/0x54c [ 188.478911][ T6384] gfs2_get_tree+0x58/0x1b8 [ 188.479507][ T6384] vfs_get_tree+0x90/0x278 [ 188.480132][ T6384] do_new_mount+0x228/0x804 [ 188.480780][ T6384] path_mount+0x57c/0xfe8 [ 188.481398][ T6384] __arm64_sys_mount+0x488/0x5f8 [ 188.482122][ T6384] invoke_syscall+0x98/0x28c [ 188.482938][ T6384] el0_svc_common+0x13c/0x258 [ 188.483689][ T6384] do_el0_svc+0x5c/0x140 [ 188.484349][ T6384] el0_svc+0x78/0x1d0 [ 188.484911][ T6384] el0t_64_sync_handler+0xcc/0xe4 [ 188.485624][ T6384] el0t_64_sync+0x1a0/0x1a4 [ 188.486509][ T6384] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 188.488219][ T6384] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 188.743868][ T6387] set_capacity_and_notify: 15 callbacks suppressed [ 188.743877][ T6387] loop1: detected capacity change from 0 to 32768 [ 188.752633][ T6387] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 188.753712][ T6387] CPU: 1 PID: 6387 Comm: syz.1.497 Not tainted syzkaller #0 [ 188.754778][ T6387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 188.756138][ T6387] Call trace: [ 188.756566][ T6387] dump_backtrace+0x0/0x458 [ 188.757192][ T6387] show_stack+0x2c/0x3c [ 188.757871][ T6387] __dump_stack+0x30/0x40 [ 188.758464][ T6387] dump_stack_lvl+0xf4/0x15c [ 188.759076][ T6387] dump_stack+0x1c/0x5c [ 188.759650][ T6387] sysfs_create_dir_ns+0x244/0x264 [ 188.760385][ T6387] kobject_add_internal+0x594/0xc2c [ 188.761087][ T6387] kobject_init_and_add+0x128/0x194 [ 188.761734][ T6387] gfs2_sys_fs_add+0x208/0x428 [ 188.762378][ T6387] gfs2_fill_super+0xe20/0x1a9c [ 188.763037][ T6387] get_tree_bdev+0x35c/0x54c [ 188.763707][ T6387] gfs2_get_tree+0x58/0x1b8 [ 188.764432][ T6387] vfs_get_tree+0x90/0x278 [ 188.764989][ T6387] do_new_mount+0x228/0x804 [ 188.765583][ T6387] path_mount+0x57c/0xfe8 [ 188.766152][ T6387] __arm64_sys_mount+0x488/0x5f8 [ 188.766769][ T6387] invoke_syscall+0x98/0x28c [ 188.767425][ T6387] el0_svc_common+0x13c/0x258 [ 188.768054][ T6387] do_el0_svc+0x5c/0x140 [ 188.768612][ T6387] el0_svc+0x78/0x1d0 [ 188.769134][ T6387] el0t_64_sync_handler+0xcc/0xe4 [ 188.769797][ T6387] el0t_64_sync+0x1a0/0x1a4 [ 188.771192][ T6387] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 188.772841][ T6387] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 188.907629][ T6390] loop1: detected capacity change from 0 to 32768 [ 188.999683][ T6390] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 189.000748][ T6390] CPU: 1 PID: 6390 Comm: syz.1.498 Not tainted syzkaller #0 [ 189.001716][ T6390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 189.003107][ T6390] Call trace: [ 189.003566][ T6390] dump_backtrace+0x0/0x458 [ 189.004271][ T6390] show_stack+0x2c/0x3c [ 189.004887][ T6390] __dump_stack+0x30/0x40 [ 189.005511][ T6390] dump_stack_lvl+0xf4/0x15c [ 189.006125][ T6390] dump_stack+0x1c/0x5c [ 189.006755][ T6390] sysfs_create_dir_ns+0x244/0x264 [ 189.007459][ T6390] kobject_add_internal+0x594/0xc2c [ 189.008154][ T6390] kobject_init_and_add+0x128/0x194 [ 189.008824][ T6390] gfs2_sys_fs_add+0x208/0x428 [ 189.009442][ T6390] gfs2_fill_super+0xe20/0x1a9c [ 189.010059][ T6390] get_tree_bdev+0x35c/0x54c [ 189.010733][ T6390] gfs2_get_tree+0x58/0x1b8 [ 189.011391][ T6390] vfs_get_tree+0x90/0x278 [ 189.012022][ T6390] do_new_mount+0x228/0x804 [ 189.012652][ T6390] path_mount+0x57c/0xfe8 [ 189.013314][ T6390] __arm64_sys_mount+0x488/0x5f8 [ 189.014036][ T6390] invoke_syscall+0x98/0x28c [ 189.014663][ T6390] el0_svc_common+0x13c/0x258 [ 189.015294][ T6390] do_el0_svc+0x5c/0x140 [ 189.015891][ T6390] el0_svc+0x78/0x1d0 [ 189.016455][ T6390] el0t_64_sync_handler+0xcc/0xe4 [ 189.017158][ T6390] el0t_64_sync+0x1a0/0x1a4 [ 189.019401][ T6390] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 189.021313][ T6390] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 189.154168][ T6393] loop1: detected capacity change from 0 to 32768 [ 189.186209][ T6393] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 189.187245][ T6393] CPU: 0 PID: 6393 Comm: syz.1.499 Not tainted syzkaller #0 [ 189.188349][ T6393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 189.189696][ T6393] Call trace: [ 189.190100][ T6393] dump_backtrace+0x0/0x458 [ 189.190701][ T6393] show_stack+0x2c/0x3c [ 189.191207][ T6393] __dump_stack+0x30/0x40 [ 189.191803][ T6393] dump_stack_lvl+0xf4/0x15c [ 189.192426][ T6393] dump_stack+0x1c/0x5c [ 189.192978][ T6393] sysfs_create_dir_ns+0x244/0x264 [ 189.193672][ T6393] kobject_add_internal+0x594/0xc2c [ 189.194364][ T6393] kobject_init_and_add+0x128/0x194 [ 189.195144][ T6393] gfs2_sys_fs_add+0x208/0x428 [ 189.195743][ T6393] gfs2_fill_super+0xe20/0x1a9c [ 189.196444][ T6393] get_tree_bdev+0x35c/0x54c [ 189.197141][ T6393] gfs2_get_tree+0x58/0x1b8 [ 189.197759][ T6393] vfs_get_tree+0x90/0x278 [ 189.198421][ T6393] do_new_mount+0x228/0x804 [ 189.199021][ T6393] path_mount+0x57c/0xfe8 [ 189.199608][ T6393] __arm64_sys_mount+0x488/0x5f8 [ 189.200289][ T6393] invoke_syscall+0x98/0x28c [ 189.200965][ T6393] el0_svc_common+0x13c/0x258 [ 189.201656][ T6393] do_el0_svc+0x5c/0x140 [ 189.202274][ T6393] el0_svc+0x78/0x1d0 [ 189.202774][ T6393] el0t_64_sync_handler+0xcc/0xe4 [ 189.203480][ T6393] el0t_64_sync+0x1a0/0x1a4 [ 189.208761][ T6393] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 189.210438][ T6393] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 189.348652][ T6396] loop1: detected capacity change from 0 to 32768 [ 189.356006][ T6396] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 189.357098][ T6396] CPU: 0 PID: 6396 Comm: syz.1.500 Not tainted syzkaller #0 [ 189.358065][ T6396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 189.359344][ T6396] Call trace: [ 189.359753][ T6396] dump_backtrace+0x0/0x458 [ 189.360357][ T6396] show_stack+0x2c/0x3c [ 189.360907][ T6396] __dump_stack+0x30/0x40 [ 189.361511][ T6396] dump_stack_lvl+0xf4/0x15c [ 189.362141][ T6396] dump_stack+0x1c/0x5c [ 189.362736][ T6396] sysfs_create_dir_ns+0x244/0x264 [ 189.363490][ T6396] kobject_add_internal+0x594/0xc2c [ 189.364121][ T6396] kobject_init_and_add+0x128/0x194 [ 189.364786][ T6396] gfs2_sys_fs_add+0x208/0x428 [ 189.365416][ T6396] gfs2_fill_super+0xe20/0x1a9c [ 189.366123][ T6396] get_tree_bdev+0x35c/0x54c [ 189.366726][ T6396] gfs2_get_tree+0x58/0x1b8 [ 189.367292][ T6396] vfs_get_tree+0x90/0x278 [ 189.367881][ T6396] do_new_mount+0x228/0x804 [ 189.368490][ T6396] path_mount+0x57c/0xfe8 [ 189.369033][ T6396] __arm64_sys_mount+0x488/0x5f8 [ 189.369684][ T6396] invoke_syscall+0x98/0x28c [ 189.370272][ T6396] el0_svc_common+0x13c/0x258 [ 189.370833][ T6396] do_el0_svc+0x5c/0x140 [ 189.371395][ T6396] el0_svc+0x78/0x1d0 [ 189.371946][ T6396] el0t_64_sync_handler+0xcc/0xe4 [ 189.372619][ T6396] el0t_64_sync+0x1a0/0x1a4 [ 189.375217][ T6396] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 189.377218][ T6396] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 189.465664][ T4887] Bluetooth: hci0: command 0x0406 tx timeout [ 189.512465][ T6399] loop1: detected capacity change from 0 to 32768 [ 189.519729][ T6399] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 189.520838][ T6399] CPU: 1 PID: 6399 Comm: syz.1.501 Not tainted syzkaller #0 [ 189.521795][ T6399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 189.523186][ T6399] Call trace: [ 189.523619][ T6399] dump_backtrace+0x0/0x458 [ 189.524293][ T6399] show_stack+0x2c/0x3c [ 189.524875][ T6399] __dump_stack+0x30/0x40 [ 189.525415][ T6399] dump_stack_lvl+0xf4/0x15c [ 189.526017][ T6399] dump_stack+0x1c/0x5c [ 189.526542][ T6399] sysfs_create_dir_ns+0x244/0x264 [ 189.527225][ T6399] kobject_add_internal+0x594/0xc2c [ 189.527870][ T6399] kobject_init_and_add+0x128/0x194 [ 189.528548][ T6399] gfs2_sys_fs_add+0x208/0x428 [ 189.529200][ T6399] gfs2_fill_super+0xe20/0x1a9c [ 189.529901][ T6399] get_tree_bdev+0x35c/0x54c [ 189.530505][ T6399] gfs2_get_tree+0x58/0x1b8 [ 189.531082][ T6399] vfs_get_tree+0x90/0x278 [ 189.531771][ T6399] do_new_mount+0x228/0x804 [ 189.532333][ T6399] path_mount+0x57c/0xfe8 [ 189.532934][ T6399] __arm64_sys_mount+0x488/0x5f8 [ 189.533669][ T6399] invoke_syscall+0x98/0x28c [ 189.534300][ T6399] el0_svc_common+0x13c/0x258 [ 189.535044][ T6399] do_el0_svc+0x5c/0x140 [ 189.535676][ T6399] el0_svc+0x78/0x1d0 [ 189.536320][ T6399] el0t_64_sync_handler+0xcc/0xe4 [ 189.537076][ T6399] el0t_64_sync+0x1a0/0x1a4 [ 189.539936][ T6399] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 189.541705][ T6399] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 189.676139][ T6402] loop1: detected capacity change from 0 to 32768 [ 189.811076][ T6402] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 189.812133][ T6402] CPU: 1 PID: 6402 Comm: syz.1.502 Not tainted syzkaller #0 [ 189.813170][ T6402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 189.814570][ T6402] Call trace: [ 189.815022][ T6402] dump_backtrace+0x0/0x458 [ 189.815691][ T6402] show_stack+0x2c/0x3c [ 189.816329][ T6402] __dump_stack+0x30/0x40 [ 189.816895][ T6402] dump_stack_lvl+0xf4/0x15c [ 189.817556][ T6402] dump_stack+0x1c/0x5c [ 189.818122][ T6402] sysfs_create_dir_ns+0x244/0x264 [ 189.818854][ T6402] kobject_add_internal+0x594/0xc2c [ 189.819532][ T6402] kobject_init_and_add+0x128/0x194 [ 189.820240][ T6402] gfs2_sys_fs_add+0x208/0x428 [ 189.820973][ T6402] gfs2_fill_super+0xe20/0x1a9c [ 189.821649][ T6402] get_tree_bdev+0x35c/0x54c [ 189.822247][ T6402] gfs2_get_tree+0x58/0x1b8 [ 189.822873][ T6402] vfs_get_tree+0x90/0x278 [ 189.823524][ T6402] do_new_mount+0x228/0x804 [ 189.824222][ T6402] path_mount+0x57c/0xfe8 [ 189.824893][ T6402] __arm64_sys_mount+0x488/0x5f8 [ 189.825724][ T6402] invoke_syscall+0x98/0x28c [ 189.826343][ T6402] el0_svc_common+0x13c/0x258 [ 189.827054][ T6402] do_el0_svc+0x5c/0x140 [ 189.827705][ T6402] el0_svc+0x78/0x1d0 [ 189.828315][ T6402] el0t_64_sync_handler+0xcc/0xe4 [ 189.829034][ T6402] el0t_64_sync+0x1a0/0x1a4 [ 189.830461][ T6402] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 189.832167][ T6402] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 189.969129][ T6405] loop1: detected capacity change from 0 to 32768 [ 190.006225][ T6405] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 190.007271][ T6405] CPU: 1 PID: 6405 Comm: syz.1.503 Not tainted syzkaller #0 [ 190.008340][ T6405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 190.009638][ T6405] Call trace: [ 190.010100][ T6405] dump_backtrace+0x0/0x458 [ 190.010689][ T6405] show_stack+0x2c/0x3c [ 190.011295][ T6405] __dump_stack+0x30/0x40 [ 190.011993][ T6405] dump_stack_lvl+0xf4/0x15c [ 190.012620][ T6405] dump_stack+0x1c/0x5c [ 190.013183][ T6405] sysfs_create_dir_ns+0x244/0x264 [ 190.013913][ T6405] kobject_add_internal+0x594/0xc2c [ 190.014630][ T6405] kobject_init_and_add+0x128/0x194 [ 190.015372][ T6405] gfs2_sys_fs_add+0x208/0x428 [ 190.015990][ T6405] gfs2_fill_super+0xe20/0x1a9c [ 190.016615][ T6405] get_tree_bdev+0x35c/0x54c [ 190.017227][ T6405] gfs2_get_tree+0x58/0x1b8 [ 190.017784][ T6405] vfs_get_tree+0x90/0x278 [ 190.018420][ T6405] do_new_mount+0x228/0x804 [ 190.019031][ T6405] path_mount+0x57c/0xfe8 [ 190.019608][ T6405] __arm64_sys_mount+0x488/0x5f8 [ 190.020295][ T6405] invoke_syscall+0x98/0x28c [ 190.020937][ T6405] el0_svc_common+0x13c/0x258 [ 190.021614][ T6405] do_el0_svc+0x5c/0x140 [ 190.022170][ T6405] el0_svc+0x78/0x1d0 [ 190.022708][ T6405] el0t_64_sync_handler+0xcc/0xe4 [ 190.023402][ T6405] el0t_64_sync+0x1a0/0x1a4 [ 190.025432][ T6405] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 190.027628][ T6405] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 190.162051][ T6408] loop1: detected capacity change from 0 to 32768 [ 190.196203][ T6408] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 190.197293][ T6408] CPU: 0 PID: 6408 Comm: syz.1.504 Not tainted syzkaller #0 [ 190.198316][ T6408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 190.199563][ T6408] Call trace: [ 190.200007][ T6408] dump_backtrace+0x0/0x458 [ 190.200647][ T6408] show_stack+0x2c/0x3c [ 190.201255][ T6408] __dump_stack+0x30/0x40 [ 190.201858][ T6408] dump_stack_lvl+0xf4/0x15c [ 190.202483][ T6408] dump_stack+0x1c/0x5c [ 190.203062][ T6408] sysfs_create_dir_ns+0x244/0x264 [ 190.203730][ T6408] kobject_add_internal+0x594/0xc2c [ 190.204412][ T6408] kobject_init_and_add+0x128/0x194 [ 190.205145][ T6408] gfs2_sys_fs_add+0x208/0x428 [ 190.205754][ T6408] gfs2_fill_super+0xe20/0x1a9c [ 190.206403][ T6408] get_tree_bdev+0x35c/0x54c [ 190.207028][ T6408] gfs2_get_tree+0x58/0x1b8 [ 190.207604][ T6408] vfs_get_tree+0x90/0x278 [ 190.208200][ T6408] do_new_mount+0x228/0x804 [ 190.208815][ T6408] path_mount+0x57c/0xfe8 [ 190.209448][ T6408] __arm64_sys_mount+0x488/0x5f8 [ 190.210091][ T6408] invoke_syscall+0x98/0x28c [ 190.210703][ T6408] el0_svc_common+0x13c/0x258 [ 190.211331][ T6408] do_el0_svc+0x5c/0x140 [ 190.211882][ T6408] el0_svc+0x78/0x1d0 [ 190.212475][ T6408] el0t_64_sync_handler+0xcc/0xe4 [ 190.213233][ T6408] el0t_64_sync+0x1a0/0x1a4 [ 190.215330][ T6408] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 190.217186][ T6408] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 190.357778][ T6411] loop1: detected capacity change from 0 to 32768 [ 190.364559][ T6411] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 190.365901][ T6411] CPU: 1 PID: 6411 Comm: syz.1.505 Not tainted syzkaller #0 [ 190.366902][ T6411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 190.368189][ T6411] Call trace: [ 190.368603][ T6411] dump_backtrace+0x0/0x458 [ 190.369274][ T6411] show_stack+0x2c/0x3c [ 190.369912][ T6411] __dump_stack+0x30/0x40 [ 190.370513][ T6411] dump_stack_lvl+0xf4/0x15c [ 190.371169][ T6411] dump_stack+0x1c/0x5c [ 190.371770][ T6411] sysfs_create_dir_ns+0x244/0x264 [ 190.372449][ T6411] kobject_add_internal+0x594/0xc2c [ 190.373159][ T6411] kobject_init_and_add+0x128/0x194 [ 190.373924][ T6411] gfs2_sys_fs_add+0x208/0x428 [ 190.374525][ T6411] gfs2_fill_super+0xe20/0x1a9c [ 190.375227][ T6411] get_tree_bdev+0x35c/0x54c [ 190.375988][ T6411] gfs2_get_tree+0x58/0x1b8 [ 190.376650][ T6411] vfs_get_tree+0x90/0x278 [ 190.377283][ T6411] do_new_mount+0x228/0x804 [ 190.377855][ T6411] path_mount+0x57c/0xfe8 [ 190.378487][ T6411] __arm64_sys_mount+0x488/0x5f8 [ 190.379238][ T6411] invoke_syscall+0x98/0x28c [ 190.379866][ T6411] el0_svc_common+0x13c/0x258 [ 190.380506][ T6411] do_el0_svc+0x5c/0x140 [ 190.381073][ T6411] el0_svc+0x78/0x1d0 [ 190.381602][ T6411] el0t_64_sync_handler+0xcc/0xe4 [ 190.382381][ T6411] el0t_64_sync+0x1a0/0x1a4 [ 190.384920][ T6411] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 190.386939][ T6411] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 190.521739][ T6414] loop1: detected capacity change from 0 to 32768 [ 190.610075][ T6414] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 190.611110][ T6414] CPU: 0 PID: 6414 Comm: syz.1.506 Not tainted syzkaller #0 [ 190.612121][ T6414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 190.613463][ T6414] Call trace: [ 190.613865][ T6414] dump_backtrace+0x0/0x458 [ 190.614440][ T6414] show_stack+0x2c/0x3c [ 190.614929][ T6414] __dump_stack+0x30/0x40 [ 190.615485][ T6414] dump_stack_lvl+0xf4/0x15c [ 190.616140][ T6414] dump_stack+0x1c/0x5c [ 190.616718][ T6414] sysfs_create_dir_ns+0x244/0x264 [ 190.617418][ T6414] kobject_add_internal+0x594/0xc2c [ 190.618193][ T6414] kobject_init_and_add+0x128/0x194 [ 190.618866][ T6414] gfs2_sys_fs_add+0x208/0x428 [ 190.619524][ T6414] gfs2_fill_super+0xe20/0x1a9c [ 190.620194][ T6414] get_tree_bdev+0x35c/0x54c [ 190.620826][ T6414] gfs2_get_tree+0x58/0x1b8 [ 190.621446][ T6414] vfs_get_tree+0x90/0x278 [ 190.622035][ T6414] do_new_mount+0x228/0x804 [ 190.622650][ T6414] path_mount+0x57c/0xfe8 [ 190.623235][ T6414] __arm64_sys_mount+0x488/0x5f8 [ 190.623890][ T6414] invoke_syscall+0x98/0x28c [ 190.624471][ T6414] el0_svc_common+0x13c/0x258 [ 190.625140][ T6414] do_el0_svc+0x5c/0x140 [ 190.625689][ T6414] el0_svc+0x78/0x1d0 [ 190.626258][ T6414] el0t_64_sync_handler+0xcc/0xe4 [ 190.626908][ T6414] el0t_64_sync+0x1a0/0x1a4 [ 190.628429][ T6414] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 190.630300][ T6414] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 190.806306][ T6417] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 190.807439][ T6417] CPU: 1 PID: 6417 Comm: syz.1.507 Not tainted syzkaller #0 [ 190.808475][ T6417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 190.809787][ T6417] Call trace: [ 190.810202][ T6417] dump_backtrace+0x0/0x458 [ 190.810859][ T6417] show_stack+0x2c/0x3c [ 190.811433][ T6417] __dump_stack+0x30/0x40 [ 190.812010][ T6417] dump_stack_lvl+0xf4/0x15c [ 190.812589][ T6417] dump_stack+0x1c/0x5c [ 190.813123][ T6417] sysfs_create_dir_ns+0x244/0x264 [ 190.813823][ T6417] kobject_add_internal+0x594/0xc2c [ 190.814498][ T6417] kobject_init_and_add+0x128/0x194 [ 190.815257][ T6417] gfs2_sys_fs_add+0x208/0x428 [ 190.815924][ T6417] gfs2_fill_super+0xe20/0x1a9c [ 190.816600][ T6417] get_tree_bdev+0x35c/0x54c [ 190.817173][ T6417] gfs2_get_tree+0x58/0x1b8 [ 190.817761][ T6417] vfs_get_tree+0x90/0x278 [ 190.818369][ T6417] do_new_mount+0x228/0x804 [ 190.819001][ T6417] path_mount+0x57c/0xfe8 [ 190.819604][ T6417] __arm64_sys_mount+0x488/0x5f8 [ 190.820277][ T6417] invoke_syscall+0x98/0x28c [ 190.820874][ T6417] el0_svc_common+0x13c/0x258 [ 190.821519][ T6417] do_el0_svc+0x5c/0x140 [ 190.822059][ T6417] el0_svc+0x78/0x1d0 [ 190.822656][ T6417] el0t_64_sync_handler+0xcc/0xe4 [ 190.823370][ T6417] el0t_64_sync+0x1a0/0x1a4 [ 190.824268][ T6417] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 190.826411][ T6417] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 191.050289][ T6420] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 191.051378][ T6420] CPU: 0 PID: 6420 Comm: syz.1.508 Not tainted syzkaller #0 [ 191.052299][ T6420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 191.053517][ T6420] Call trace: [ 191.053911][ T6420] dump_backtrace+0x0/0x458 [ 191.054579][ T6420] show_stack+0x2c/0x3c [ 191.055097][ T6420] __dump_stack+0x30/0x40 [ 191.055719][ T6420] dump_stack_lvl+0xf4/0x15c [ 191.056335][ T6420] dump_stack+0x1c/0x5c [ 191.056898][ T6420] sysfs_create_dir_ns+0x244/0x264 [ 191.057664][ T6420] kobject_add_internal+0x594/0xc2c [ 191.058394][ T6420] kobject_init_and_add+0x128/0x194 [ 191.059076][ T6420] gfs2_sys_fs_add+0x208/0x428 [ 191.059721][ T6420] gfs2_fill_super+0xe20/0x1a9c [ 191.060344][ T6420] get_tree_bdev+0x35c/0x54c [ 191.061036][ T6420] gfs2_get_tree+0x58/0x1b8 [ 191.061697][ T6420] vfs_get_tree+0x90/0x278 [ 191.062435][ T6420] do_new_mount+0x228/0x804 [ 191.063061][ T6420] path_mount+0x57c/0xfe8 [ 191.063663][ T6420] __arm64_sys_mount+0x488/0x5f8 [ 191.064314][ T6420] invoke_syscall+0x98/0x28c [ 191.064921][ T6420] el0_svc_common+0x13c/0x258 [ 191.065574][ T6420] do_el0_svc+0x5c/0x140 [ 191.066184][ T6420] el0_svc+0x78/0x1d0 [ 191.066730][ T6420] el0t_64_sync_handler+0xcc/0xe4 [ 191.067383][ T6420] el0t_64_sync+0x1a0/0x1a4 [ 191.069022][ T6420] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 191.070851][ T6420] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 191.246166][ T6423] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 191.247389][ T6423] CPU: 1 PID: 6423 Comm: syz.1.509 Not tainted syzkaller #0 [ 191.248354][ T6423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 191.249666][ T6423] Call trace: [ 191.250125][ T6423] dump_backtrace+0x0/0x458 [ 191.250733][ T6423] show_stack+0x2c/0x3c [ 191.251302][ T6423] __dump_stack+0x30/0x40 [ 191.251878][ T6423] dump_stack_lvl+0xf4/0x15c [ 191.252527][ T6423] dump_stack+0x1c/0x5c [ 191.253102][ T6423] sysfs_create_dir_ns+0x244/0x264 [ 191.253831][ T6423] kobject_add_internal+0x594/0xc2c [ 191.254637][ T6423] kobject_init_and_add+0x128/0x194 [ 191.255410][ T6423] gfs2_sys_fs_add+0x208/0x428 [ 191.256048][ T6423] gfs2_fill_super+0xe20/0x1a9c [ 191.256762][ T6423] get_tree_bdev+0x35c/0x54c [ 191.257420][ T6423] gfs2_get_tree+0x58/0x1b8 [ 191.258112][ T6423] vfs_get_tree+0x90/0x278 [ 191.258708][ T6423] do_new_mount+0x228/0x804 [ 191.259319][ T6423] path_mount+0x57c/0xfe8 [ 191.259839][ T6423] __arm64_sys_mount+0x488/0x5f8 [ 191.260540][ T6423] invoke_syscall+0x98/0x28c [ 191.261233][ T6423] el0_svc_common+0x13c/0x258 [ 191.261892][ T6423] do_el0_svc+0x5c/0x140 [ 191.262444][ T6423] el0_svc+0x78/0x1d0 [ 191.263051][ T6423] el0t_64_sync_handler+0xcc/0xe4 [ 191.263791][ T6423] el0t_64_sync+0x1a0/0x1a4 [ 191.264609][ T6423] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 191.266748][ T6423] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 191.500159][ T6426] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 191.501291][ T6426] CPU: 0 PID: 6426 Comm: syz.1.510 Not tainted syzkaller #0 [ 191.502194][ T6426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 191.503599][ T6426] Call trace: [ 191.504086][ T6426] dump_backtrace+0x0/0x458 [ 191.504767][ T6426] show_stack+0x2c/0x3c [ 191.505341][ T6426] __dump_stack+0x30/0x40 [ 191.505940][ T6426] dump_stack_lvl+0xf4/0x15c [ 191.506588][ T6426] dump_stack+0x1c/0x5c [ 191.507153][ T6426] sysfs_create_dir_ns+0x244/0x264 [ 191.507825][ T6426] kobject_add_internal+0x594/0xc2c [ 191.508519][ T6426] kobject_init_and_add+0x128/0x194 [ 191.509265][ T6426] gfs2_sys_fs_add+0x208/0x428 [ 191.509951][ T6426] gfs2_fill_super+0xe20/0x1a9c [ 191.510649][ T6426] get_tree_bdev+0x35c/0x54c [ 191.511334][ T6426] gfs2_get_tree+0x58/0x1b8 [ 191.511934][ T6426] vfs_get_tree+0x90/0x278 [ 191.512535][ T6426] do_new_mount+0x228/0x804 [ 191.513125][ T6426] path_mount+0x57c/0xfe8 [ 191.513765][ T6426] __arm64_sys_mount+0x488/0x5f8 [ 191.514404][ T6426] invoke_syscall+0x98/0x28c [ 191.515115][ T6426] el0_svc_common+0x13c/0x258 [ 191.515806][ T6426] do_el0_svc+0x5c/0x140 [ 191.516371][ T6426] el0_svc+0x78/0x1d0 [ 191.516908][ T6426] el0t_64_sync_handler+0xcc/0xe4 [ 191.517625][ T6426] el0t_64_sync+0x1a0/0x1a4 [ 191.519936][ T6426] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 191.521739][ T6426] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 191.731173][ T6429] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 191.732277][ T6429] CPU: 0 PID: 6429 Comm: syz.1.511 Not tainted syzkaller #0 [ 191.733222][ T6429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 191.734513][ T6429] Call trace: [ 191.734923][ T6429] dump_backtrace+0x0/0x458 [ 191.735497][ T6429] show_stack+0x2c/0x3c [ 191.736084][ T6429] __dump_stack+0x30/0x40 [ 191.736702][ T6429] dump_stack_lvl+0xf4/0x15c [ 191.737353][ T6429] dump_stack+0x1c/0x5c [ 191.737942][ T6429] sysfs_create_dir_ns+0x244/0x264 [ 191.738641][ T6429] kobject_add_internal+0x594/0xc2c [ 191.739308][ T6429] kobject_init_and_add+0x128/0x194 [ 191.740015][ T6429] gfs2_sys_fs_add+0x208/0x428 [ 191.740672][ T6429] gfs2_fill_super+0xe20/0x1a9c [ 191.741363][ T6429] get_tree_bdev+0x35c/0x54c [ 191.742059][ T6429] gfs2_get_tree+0x58/0x1b8 [ 191.742703][ T6429] vfs_get_tree+0x90/0x278 [ 191.743310][ T6429] do_new_mount+0x228/0x804 [ 191.743881][ T6429] path_mount+0x57c/0xfe8 [ 191.744531][ T6429] __arm64_sys_mount+0x488/0x5f8 [ 191.745201][ T6429] invoke_syscall+0x98/0x28c [ 191.745810][ T6429] el0_svc_common+0x13c/0x258 [ 191.746464][ T6429] do_el0_svc+0x5c/0x140 [ 191.747006][ T6429] el0_svc+0x78/0x1d0 [ 191.747552][ T6429] el0t_64_sync_handler+0xcc/0xe4 [ 191.748202][ T6429] el0t_64_sync+0x1a0/0x1a4 [ 191.750360][ T6429] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 191.752110][ T6429] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 191.894444][ T6432] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 191.895600][ T6432] CPU: 1 PID: 6432 Comm: syz.1.512 Not tainted syzkaller #0 [ 191.896593][ T6432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 191.898058][ T6432] Call trace: [ 191.898571][ T6432] dump_backtrace+0x0/0x458 [ 191.899195][ T6432] show_stack+0x2c/0x3c [ 191.899803][ T6432] __dump_stack+0x30/0x40 [ 191.900381][ T6432] dump_stack_lvl+0xf4/0x15c [ 191.901011][ T6432] dump_stack+0x1c/0x5c [ 191.901532][ T6432] sysfs_create_dir_ns+0x244/0x264 [ 191.902200][ T6432] kobject_add_internal+0x594/0xc2c [ 191.902944][ T6432] kobject_init_and_add+0x128/0x194 [ 191.903628][ T6432] gfs2_sys_fs_add+0x208/0x428 [ 191.904269][ T6432] gfs2_fill_super+0xe20/0x1a9c [ 191.904908][ T6432] get_tree_bdev+0x35c/0x54c [ 191.905584][ T6432] gfs2_get_tree+0x58/0x1b8 [ 191.906198][ T6432] vfs_get_tree+0x90/0x278 [ 191.906825][ T6432] do_new_mount+0x228/0x804 [ 191.907471][ T6432] path_mount+0x57c/0xfe8 [ 191.908072][ T6432] __arm64_sys_mount+0x488/0x5f8 [ 191.908776][ T6432] invoke_syscall+0x98/0x28c [ 191.909550][ T6432] el0_svc_common+0x13c/0x258 [ 191.910321][ T6432] do_el0_svc+0x5c/0x140 [ 191.910959][ T6432] el0_svc+0x78/0x1d0 [ 191.911531][ T6432] el0t_64_sync_handler+0xcc/0xe4 [ 191.912236][ T6432] el0t_64_sync+0x1a0/0x1a4 [ 191.914516][ T6432] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 191.916500][ T6432] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 192.226359][ T6435] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 192.227493][ T6435] CPU: 1 PID: 6435 Comm: syz.1.513 Not tainted syzkaller #0 [ 192.228511][ T6435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 192.229778][ T6435] Call trace: [ 192.230211][ T6435] dump_backtrace+0x0/0x458 [ 192.230814][ T6435] show_stack+0x2c/0x3c [ 192.231371][ T6435] __dump_stack+0x30/0x40 [ 192.232014][ T6435] dump_stack_lvl+0xf4/0x15c [ 192.232709][ T6435] dump_stack+0x1c/0x5c [ 192.233254][ T6435] sysfs_create_dir_ns+0x244/0x264 [ 192.233944][ T6435] kobject_add_internal+0x594/0xc2c [ 192.234618][ T6435] kobject_init_and_add+0x128/0x194 [ 192.235409][ T6435] gfs2_sys_fs_add+0x208/0x428 [ 192.236092][ T6435] gfs2_fill_super+0xe20/0x1a9c [ 192.236856][ T6435] get_tree_bdev+0x35c/0x54c [ 192.237504][ T6435] gfs2_get_tree+0x58/0x1b8 [ 192.238142][ T6435] vfs_get_tree+0x90/0x278 [ 192.238675][ T6435] do_new_mount+0x228/0x804 [ 192.239305][ T6435] path_mount+0x57c/0xfe8 [ 192.239916][ T6435] __arm64_sys_mount+0x488/0x5f8 [ 192.240588][ T6435] invoke_syscall+0x98/0x28c [ 192.241267][ T6435] el0_svc_common+0x13c/0x258 [ 192.241894][ T6435] do_el0_svc+0x5c/0x140 [ 192.242541][ T6435] el0_svc+0x78/0x1d0 [ 192.243073][ T6435] el0t_64_sync_handler+0xcc/0xe4 [ 192.243758][ T6435] el0t_64_sync+0x1a0/0x1a4 [ 192.245964][ T6435] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 192.247892][ T6435] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 192.420901][ T6438] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 192.422062][ T6438] CPU: 1 PID: 6438 Comm: syz.1.514 Not tainted syzkaller #0 [ 192.423070][ T6438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 192.424454][ T6438] Call trace: [ 192.424919][ T6438] dump_backtrace+0x0/0x458 [ 192.425538][ T6438] show_stack+0x2c/0x3c [ 192.426114][ T6438] __dump_stack+0x30/0x40 [ 192.426756][ T6438] dump_stack_lvl+0xf4/0x15c [ 192.427337][ T6438] dump_stack+0x1c/0x5c [ 192.427934][ T6438] sysfs_create_dir_ns+0x244/0x264 [ 192.428602][ T6438] kobject_add_internal+0x594/0xc2c [ 192.429288][ T6438] kobject_init_and_add+0x128/0x194 [ 192.430033][ T6438] gfs2_sys_fs_add+0x208/0x428 [ 192.430673][ T6438] gfs2_fill_super+0xe20/0x1a9c [ 192.431304][ T6438] get_tree_bdev+0x35c/0x54c [ 192.431973][ T6438] gfs2_get_tree+0x58/0x1b8 [ 192.432592][ T6438] vfs_get_tree+0x90/0x278 [ 192.433184][ T6438] do_new_mount+0x228/0x804 [ 192.433813][ T6438] path_mount+0x57c/0xfe8 [ 192.434413][ T6438] __arm64_sys_mount+0x488/0x5f8 [ 192.435077][ T6438] invoke_syscall+0x98/0x28c [ 192.435773][ T6438] el0_svc_common+0x13c/0x258 [ 192.436445][ T6438] do_el0_svc+0x5c/0x140 [ 192.437026][ T6438] el0_svc+0x78/0x1d0 [ 192.437582][ T6438] el0t_64_sync_handler+0xcc/0xe4 [ 192.438266][ T6438] el0t_64_sync+0x1a0/0x1a4 [ 192.440497][ T6438] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 192.442393][ T6438] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 192.506280][ T2062] ieee802154 phy0 wpan0: encryption failed: -22 [ 192.507262][ T2062] ieee802154 phy1 wpan1: encryption failed: -22 [ 192.605972][ T6441] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 192.607057][ T6441] CPU: 1 PID: 6441 Comm: syz.1.515 Not tainted syzkaller #0 [ 192.608206][ T6441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 192.609565][ T6441] Call trace: [ 192.610022][ T6441] dump_backtrace+0x0/0x458 [ 192.610641][ T6441] show_stack+0x2c/0x3c [ 192.611220][ T6441] __dump_stack+0x30/0x40 [ 192.611853][ T6441] dump_stack_lvl+0xf4/0x15c [ 192.612466][ T6441] dump_stack+0x1c/0x5c [ 192.613048][ T6441] sysfs_create_dir_ns+0x244/0x264 [ 192.613835][ T6441] kobject_add_internal+0x594/0xc2c [ 192.614557][ T6441] kobject_init_and_add+0x128/0x194 [ 192.615309][ T6441] gfs2_sys_fs_add+0x208/0x428 [ 192.616022][ T6441] gfs2_fill_super+0xe20/0x1a9c [ 192.616683][ T6441] get_tree_bdev+0x35c/0x54c [ 192.617441][ T6441] gfs2_get_tree+0x58/0x1b8 [ 192.618069][ T6441] vfs_get_tree+0x90/0x278 [ 192.618739][ T6441] do_new_mount+0x228/0x804 [ 192.619364][ T6441] path_mount+0x57c/0xfe8 [ 192.619973][ T6441] __arm64_sys_mount+0x488/0x5f8 [ 192.620705][ T6441] invoke_syscall+0x98/0x28c [ 192.621343][ T6441] el0_svc_common+0x13c/0x258 [ 192.621978][ T6441] do_el0_svc+0x5c/0x140 [ 192.622571][ T6441] el0_svc+0x78/0x1d0 [ 192.623146][ T6441] el0t_64_sync_handler+0xcc/0xe4 [ 192.623846][ T6441] el0t_64_sync+0x1a0/0x1a4 [ 192.636865][ T6441] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 192.638842][ T6441] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 192.810014][ T6444] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 192.811177][ T6444] CPU: 1 PID: 6444 Comm: syz.1.516 Not tainted syzkaller #0 [ 192.812202][ T6444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 192.813557][ T6444] Call trace: [ 192.813971][ T6444] dump_backtrace+0x0/0x458 [ 192.814603][ T6444] show_stack+0x2c/0x3c [ 192.815155][ T6444] __dump_stack+0x30/0x40 [ 192.815747][ T6444] dump_stack_lvl+0xf4/0x15c [ 192.816382][ T6444] dump_stack+0x1c/0x5c [ 192.816912][ T6444] sysfs_create_dir_ns+0x244/0x264 [ 192.817597][ T6444] kobject_add_internal+0x594/0xc2c [ 192.818312][ T6444] kobject_init_and_add+0x128/0x194 [ 192.818980][ T6444] gfs2_sys_fs_add+0x208/0x428 [ 192.819630][ T6444] gfs2_fill_super+0xe20/0x1a9c [ 192.820277][ T6444] get_tree_bdev+0x35c/0x54c [ 192.820869][ T6444] gfs2_get_tree+0x58/0x1b8 [ 192.821573][ T6444] vfs_get_tree+0x90/0x278 [ 192.822146][ T6444] do_new_mount+0x228/0x804 [ 192.822694][ T6444] path_mount+0x57c/0xfe8 [ 192.823292][ T6444] __arm64_sys_mount+0x488/0x5f8 [ 192.823924][ T6444] invoke_syscall+0x98/0x28c [ 192.824597][ T6444] el0_svc_common+0x13c/0x258 [ 192.825197][ T6444] do_el0_svc+0x5c/0x140 [ 192.825865][ T6444] el0_svc+0x78/0x1d0 [ 192.826577][ T6444] el0t_64_sync_handler+0xcc/0xe4 [ 192.827355][ T6444] el0t_64_sync+0x1a0/0x1a4 [ 192.830915][ T6444] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 192.833180][ T6444] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 193.015426][ T6447] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 193.016753][ T6447] CPU: 0 PID: 6447 Comm: syz.1.517 Not tainted syzkaller #0 [ 193.017861][ T6447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 193.019253][ T6447] Call trace: [ 193.019686][ T6447] dump_backtrace+0x0/0x458 [ 193.020436][ T6447] show_stack+0x2c/0x3c [ 193.021058][ T6447] __dump_stack+0x30/0x40 [ 193.021757][ T6447] dump_stack_lvl+0xf4/0x15c [ 193.022375][ T6447] dump_stack+0x1c/0x5c [ 193.023017][ T6447] sysfs_create_dir_ns+0x244/0x264 [ 193.023752][ T6447] kobject_add_internal+0x594/0xc2c [ 193.024473][ T6447] kobject_init_and_add+0x128/0x194 [ 193.025226][ T6447] gfs2_sys_fs_add+0x208/0x428 [ 193.025898][ T6447] gfs2_fill_super+0xe20/0x1a9c [ 193.026557][ T6447] get_tree_bdev+0x35c/0x54c [ 193.027185][ T6447] gfs2_get_tree+0x58/0x1b8 [ 193.027847][ T6447] vfs_get_tree+0x90/0x278 [ 193.028444][ T6447] do_new_mount+0x228/0x804 [ 193.029076][ T6447] path_mount+0x57c/0xfe8 [ 193.029677][ T6447] __arm64_sys_mount+0x488/0x5f8 [ 193.030374][ T6447] invoke_syscall+0x98/0x28c [ 193.031001][ T6447] el0_svc_common+0x13c/0x258 [ 193.031601][ T6447] do_el0_svc+0x5c/0x140 [ 193.032211][ T6447] el0_svc+0x78/0x1d0 [ 193.032823][ T6447] el0t_64_sync_handler+0xcc/0xe4 [ 193.033521][ T6447] el0t_64_sync+0x1a0/0x1a4 [ 193.034551][ T6447] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.036604][ T6447] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:13 executed programs: 504 [ 193.331654][ T6450] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 193.332842][ T6450] CPU: 0 PID: 6450 Comm: syz.1.518 Not tainted syzkaller #0 [ 193.333823][ T6450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 193.335196][ T6450] Call trace: [ 193.335655][ T6450] dump_backtrace+0x0/0x458 [ 193.336364][ T6450] show_stack+0x2c/0x3c [ 193.337010][ T6450] __dump_stack+0x30/0x40 [ 193.337648][ T6450] dump_stack_lvl+0xf4/0x15c [ 193.338357][ T6450] dump_stack+0x1c/0x5c [ 193.338964][ T6450] sysfs_create_dir_ns+0x244/0x264 [ 193.339687][ T6450] kobject_add_internal+0x594/0xc2c [ 193.340578][ T6450] kobject_init_and_add+0x128/0x194 [ 193.341385][ T6450] gfs2_sys_fs_add+0x208/0x428 [ 193.342098][ T6450] gfs2_fill_super+0xe20/0x1a9c [ 193.342805][ T6450] get_tree_bdev+0x35c/0x54c [ 193.343469][ T6450] gfs2_get_tree+0x58/0x1b8 [ 193.344160][ T6450] vfs_get_tree+0x90/0x278 [ 193.344901][ T6450] do_new_mount+0x228/0x804 [ 193.345585][ T6450] path_mount+0x57c/0xfe8 [ 193.346314][ T6450] __arm64_sys_mount+0x488/0x5f8 [ 193.346966][ T6450] invoke_syscall+0x98/0x28c [ 193.347584][ T6450] el0_svc_common+0x13c/0x258 [ 193.348196][ T6450] do_el0_svc+0x5c/0x140 [ 193.348797][ T6450] el0_svc+0x78/0x1d0 [ 193.349323][ T6450] el0t_64_sync_handler+0xcc/0xe4 [ 193.350085][ T6450] el0t_64_sync+0x1a0/0x1a4 [ 193.352412][ T6450] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.354416][ T6450] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 193.585816][ T6453] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 193.586950][ T6453] CPU: 1 PID: 6453 Comm: syz.1.519 Not tainted syzkaller #0 [ 193.587921][ T6453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 193.589341][ T6453] Call trace: [ 193.589787][ T6453] dump_backtrace+0x0/0x458 [ 193.590355][ T6453] show_stack+0x2c/0x3c [ 193.590918][ T6453] __dump_stack+0x30/0x40 [ 193.591595][ T6453] dump_stack_lvl+0xf4/0x15c [ 193.592272][ T6453] dump_stack+0x1c/0x5c [ 193.592873][ T6453] sysfs_create_dir_ns+0x244/0x264 [ 193.593589][ T6453] kobject_add_internal+0x594/0xc2c [ 193.594398][ T6453] kobject_init_and_add+0x128/0x194 [ 193.595067][ T6453] gfs2_sys_fs_add+0x208/0x428 [ 193.595688][ T6453] gfs2_fill_super+0xe20/0x1a9c [ 193.596316][ T6453] get_tree_bdev+0x35c/0x54c [ 193.596955][ T6453] gfs2_get_tree+0x58/0x1b8 [ 193.597558][ T6453] vfs_get_tree+0x90/0x278 [ 193.598139][ T6453] do_new_mount+0x228/0x804 [ 193.598741][ T6453] path_mount+0x57c/0xfe8 [ 193.599289][ T6453] __arm64_sys_mount+0x488/0x5f8 [ 193.599957][ T6453] invoke_syscall+0x98/0x28c [ 193.600561][ T6453] el0_svc_common+0x13c/0x258 [ 193.601193][ T6453] do_el0_svc+0x5c/0x140 [ 193.601785][ T6453] el0_svc+0x78/0x1d0 [ 193.602337][ T6453] el0t_64_sync_handler+0xcc/0xe4 [ 193.603009][ T6453] el0t_64_sync+0x1a0/0x1a4 [ 193.606980][ T6453] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.608817][ T6453] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 193.794968][ T6456] set_capacity_and_notify: 13 callbacks suppressed [ 193.794981][ T6456] loop1: detected capacity change from 0 to 32768 [ 193.836207][ T6456] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 193.837344][ T6456] CPU: 1 PID: 6456 Comm: syz.1.520 Not tainted syzkaller #0 [ 193.838292][ T6456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 193.839614][ T6456] Call trace: [ 193.840090][ T6456] dump_backtrace+0x0/0x458 [ 193.840710][ T6456] show_stack+0x2c/0x3c [ 193.841253][ T6456] __dump_stack+0x30/0x40 [ 193.841870][ T6456] dump_stack_lvl+0xf4/0x15c [ 193.842515][ T6456] dump_stack+0x1c/0x5c [ 193.843070][ T6456] sysfs_create_dir_ns+0x244/0x264 [ 193.843723][ T6456] kobject_add_internal+0x594/0xc2c [ 193.844414][ T6456] kobject_init_and_add+0x128/0x194 [ 193.845149][ T6456] gfs2_sys_fs_add+0x208/0x428 [ 193.845799][ T6456] gfs2_fill_super+0xe20/0x1a9c [ 193.846516][ T6456] get_tree_bdev+0x35c/0x54c [ 193.847175][ T6456] gfs2_get_tree+0x58/0x1b8 [ 193.847812][ T6456] vfs_get_tree+0x90/0x278 [ 193.848387][ T6456] do_new_mount+0x228/0x804 [ 193.848980][ T6456] path_mount+0x57c/0xfe8 [ 193.849586][ T6456] __arm64_sys_mount+0x488/0x5f8 [ 193.850258][ T6456] invoke_syscall+0x98/0x28c [ 193.850886][ T6456] el0_svc_common+0x13c/0x258 [ 193.851515][ T6456] do_el0_svc+0x5c/0x140 [ 193.852129][ T6456] el0_svc+0x78/0x1d0 [ 193.852638][ T6456] el0t_64_sync_handler+0xcc/0xe4 [ 193.853396][ T6456] el0t_64_sync+0x1a0/0x1a4 [ 193.856338][ T6456] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.858115][ T6456] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 194.043006][ T6459] loop1: detected capacity change from 0 to 32768 [ 194.076361][ T6459] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 194.078207][ T6459] CPU: 0 PID: 6459 Comm: syz.1.521 Not tainted syzkaller #0 [ 194.079289][ T6459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 194.080707][ T6459] Call trace: [ 194.081132][ T6459] dump_backtrace+0x0/0x458 [ 194.081749][ T6459] show_stack+0x2c/0x3c [ 194.082310][ T6459] __dump_stack+0x30/0x40 [ 194.082947][ T6459] dump_stack_lvl+0xf4/0x15c [ 194.083637][ T6459] dump_stack+0x1c/0x5c [ 194.084232][ T6459] sysfs_create_dir_ns+0x244/0x264 [ 194.084927][ T6459] kobject_add_internal+0x594/0xc2c [ 194.085783][ T6459] kobject_init_and_add+0x128/0x194 [ 194.086545][ T6459] gfs2_sys_fs_add+0x208/0x428 [ 194.087228][ T6459] gfs2_fill_super+0xe20/0x1a9c [ 194.087903][ T6459] get_tree_bdev+0x35c/0x54c [ 194.088691][ T6459] gfs2_get_tree+0x58/0x1b8 [ 194.089314][ T6459] vfs_get_tree+0x90/0x278 [ 194.090076][ T6459] do_new_mount+0x228/0x804 [ 194.090773][ T6459] path_mount+0x57c/0xfe8 [ 194.091386][ T6459] __arm64_sys_mount+0x488/0x5f8 [ 194.092099][ T6459] invoke_syscall+0x98/0x28c [ 194.092745][ T6459] el0_svc_common+0x13c/0x258 [ 194.093371][ T6459] do_el0_svc+0x5c/0x140 [ 194.093945][ T6459] el0_svc+0x78/0x1d0 [ 194.094541][ T6459] el0t_64_sync_handler+0xcc/0xe4 [ 194.095261][ T6459] el0t_64_sync+0x1a0/0x1a4 [ 194.096100][ T6459] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.097910][ T6459] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 194.241040][ T6462] loop1: detected capacity change from 0 to 32768 [ 194.248176][ T6462] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 194.249195][ T6462] CPU: 0 PID: 6462 Comm: syz.1.522 Not tainted syzkaller #0 [ 194.250109][ T6462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 194.251574][ T6462] Call trace: [ 194.252016][ T6462] dump_backtrace+0x0/0x458 [ 194.252650][ T6462] show_stack+0x2c/0x3c [ 194.253256][ T6462] __dump_stack+0x30/0x40 [ 194.253859][ T6462] dump_stack_lvl+0xf4/0x15c [ 194.254499][ T6462] dump_stack+0x1c/0x5c [ 194.255059][ T6462] sysfs_create_dir_ns+0x244/0x264 [ 194.255746][ T6462] kobject_add_internal+0x594/0xc2c [ 194.256493][ T6462] kobject_init_and_add+0x128/0x194 [ 194.257358][ T6462] gfs2_sys_fs_add+0x208/0x428 [ 194.258098][ T6462] gfs2_fill_super+0xe20/0x1a9c [ 194.258828][ T6462] get_tree_bdev+0x35c/0x54c [ 194.259511][ T6462] gfs2_get_tree+0x58/0x1b8 [ 194.260103][ T6462] vfs_get_tree+0x90/0x278 [ 194.260722][ T6462] do_new_mount+0x228/0x804 [ 194.261383][ T6462] path_mount+0x57c/0xfe8 [ 194.262014][ T6462] __arm64_sys_mount+0x488/0x5f8 [ 194.262762][ T6462] invoke_syscall+0x98/0x28c [ 194.263383][ T6462] el0_svc_common+0x13c/0x258 [ 194.264016][ T6462] do_el0_svc+0x5c/0x140 [ 194.264637][ T6462] el0_svc+0x78/0x1d0 [ 194.265149][ T6462] el0t_64_sync_handler+0xcc/0xe4 [ 194.265861][ T6462] el0t_64_sync+0x1a0/0x1a4 [ 194.266791][ T6462] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.268794][ T6462] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 194.451679][ T6465] loop1: detected capacity change from 0 to 32768 [ 194.486212][ T6465] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 194.487237][ T6465] CPU: 0 PID: 6465 Comm: syz.1.523 Not tainted syzkaller #0 [ 194.488154][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 194.489434][ T6465] Call trace: [ 194.489875][ T6465] dump_backtrace+0x0/0x458 [ 194.490420][ T6465] show_stack+0x2c/0x3c [ 194.491000][ T6465] __dump_stack+0x30/0x40 [ 194.491562][ T6465] dump_stack_lvl+0xf4/0x15c [ 194.492150][ T6465] dump_stack+0x1c/0x5c [ 194.492703][ T6465] sysfs_create_dir_ns+0x244/0x264 [ 194.493500][ T6465] kobject_add_internal+0x594/0xc2c [ 194.494140][ T6465] kobject_init_and_add+0x128/0x194 [ 194.494776][ T6465] gfs2_sys_fs_add+0x208/0x428 [ 194.495378][ T6465] gfs2_fill_super+0xe20/0x1a9c [ 194.496034][ T6465] get_tree_bdev+0x35c/0x54c [ 194.496656][ T6465] gfs2_get_tree+0x58/0x1b8 [ 194.497269][ T6465] vfs_get_tree+0x90/0x278 [ 194.497829][ T6465] do_new_mount+0x228/0x804 [ 194.498498][ T6465] path_mount+0x57c/0xfe8 [ 194.499062][ T6465] __arm64_sys_mount+0x488/0x5f8 [ 194.499781][ T6465] invoke_syscall+0x98/0x28c [ 194.500371][ T6465] el0_svc_common+0x13c/0x258 [ 194.501032][ T6465] do_el0_svc+0x5c/0x140 [ 194.501657][ T6465] el0_svc+0x78/0x1d0 [ 194.502182][ T6465] el0t_64_sync_handler+0xcc/0xe4 [ 194.502891][ T6465] el0t_64_sync+0x1a0/0x1a4 [ 194.503723][ T6465] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.505404][ T6465] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 194.637992][ T6468] loop1: detected capacity change from 0 to 32768 [ 194.725800][ T6468] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 194.727038][ T6468] CPU: 1 PID: 6468 Comm: syz.1.524 Not tainted syzkaller #0 [ 194.728032][ T6468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 194.729478][ T6468] Call trace: [ 194.729974][ T6468] dump_backtrace+0x0/0x458 [ 194.730593][ T6468] show_stack+0x2c/0x3c [ 194.731190][ T6468] __dump_stack+0x30/0x40 [ 194.731782][ T6468] dump_stack_lvl+0xf4/0x15c [ 194.732426][ T6468] dump_stack+0x1c/0x5c [ 194.733017][ T6468] sysfs_create_dir_ns+0x244/0x264 [ 194.733803][ T6468] kobject_add_internal+0x594/0xc2c [ 194.734441][ T6468] kobject_init_and_add+0x128/0x194 [ 194.735153][ T6468] gfs2_sys_fs_add+0x208/0x428 [ 194.735742][ T6468] gfs2_fill_super+0xe20/0x1a9c [ 194.736431][ T6468] get_tree_bdev+0x35c/0x54c [ 194.737058][ T6468] gfs2_get_tree+0x58/0x1b8 [ 194.737682][ T6468] vfs_get_tree+0x90/0x278 [ 194.738223][ T6468] do_new_mount+0x228/0x804 [ 194.738853][ T6468] path_mount+0x57c/0xfe8 [ 194.739421][ T6468] __arm64_sys_mount+0x488/0x5f8 [ 194.740107][ T6468] invoke_syscall+0x98/0x28c [ 194.740736][ T6468] el0_svc_common+0x13c/0x258 [ 194.741357][ T6468] do_el0_svc+0x5c/0x140 [ 194.741909][ T6468] el0_svc+0x78/0x1d0 [ 194.742424][ T6468] el0t_64_sync_handler+0xcc/0xe4 [ 194.743108][ T6468] el0t_64_sync+0x1a0/0x1a4 [ 194.747260][ T6468] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.749084][ T6468] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 194.881147][ T6471] loop1: detected capacity change from 0 to 32768 [ 194.883414][ T6471] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 194.884444][ T6471] CPU: 1 PID: 6471 Comm: syz.1.525 Not tainted syzkaller #0 [ 194.885410][ T6471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 194.886762][ T6471] Call trace: [ 194.887137][ T6471] dump_backtrace+0x0/0x458 [ 194.887825][ T6471] show_stack+0x2c/0x3c [ 194.888392][ T6471] __dump_stack+0x30/0x40 [ 194.888997][ T6471] dump_stack_lvl+0xf4/0x15c [ 194.889688][ T6471] dump_stack+0x1c/0x5c [ 194.890294][ T6471] sysfs_create_dir_ns+0x244/0x264 [ 194.891049][ T6471] kobject_add_internal+0x594/0xc2c [ 194.891762][ T6471] kobject_init_and_add+0x128/0x194 [ 194.892473][ T6471] gfs2_sys_fs_add+0x208/0x428 [ 194.893148][ T6471] gfs2_fill_super+0xe20/0x1a9c [ 194.893874][ T6471] get_tree_bdev+0x35c/0x54c [ 194.894523][ T6471] gfs2_get_tree+0x58/0x1b8 [ 194.895152][ T6471] vfs_get_tree+0x90/0x278 [ 194.895751][ T6471] do_new_mount+0x228/0x804 [ 194.896404][ T6471] path_mount+0x57c/0xfe8 [ 194.897015][ T6471] __arm64_sys_mount+0x488/0x5f8 [ 194.897712][ T6471] invoke_syscall+0x98/0x28c [ 194.898327][ T6471] el0_svc_common+0x13c/0x258 [ 194.898967][ T6471] do_el0_svc+0x5c/0x140 [ 194.899527][ T6471] el0_svc+0x78/0x1d0 [ 194.900028][ T6471] el0t_64_sync_handler+0xcc/0xe4 [ 194.900691][ T6471] el0t_64_sync+0x1a0/0x1a4 [ 194.902932][ T6471] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.906165][ T6471] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 195.042021][ T6474] loop1: detected capacity change from 0 to 32768 [ 195.049451][ T6474] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 195.050471][ T6474] CPU: 0 PID: 6474 Comm: syz.1.526 Not tainted syzkaller #0 [ 195.051514][ T6474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 195.052907][ T6474] Call trace: [ 195.053352][ T6474] dump_backtrace+0x0/0x458 [ 195.053951][ T6474] show_stack+0x2c/0x3c [ 195.054532][ T6474] __dump_stack+0x30/0x40 [ 195.055090][ T6474] dump_stack_lvl+0xf4/0x15c [ 195.055693][ T6474] dump_stack+0x1c/0x5c [ 195.056362][ T6474] sysfs_create_dir_ns+0x244/0x264 [ 195.057027][ T6474] kobject_add_internal+0x594/0xc2c [ 195.057762][ T6474] kobject_init_and_add+0x128/0x194 [ 195.058410][ T6474] gfs2_sys_fs_add+0x208/0x428 [ 195.058930][ T6474] gfs2_fill_super+0xe20/0x1a9c [ 195.059535][ T6474] get_tree_bdev+0x35c/0x54c [ 195.060220][ T6474] gfs2_get_tree+0x58/0x1b8 [ 195.060821][ T6474] vfs_get_tree+0x90/0x278 [ 195.061378][ T6474] do_new_mount+0x228/0x804 [ 195.062006][ T6474] path_mount+0x57c/0xfe8 [ 195.062653][ T6474] __arm64_sys_mount+0x488/0x5f8 [ 195.063338][ T6474] invoke_syscall+0x98/0x28c [ 195.064039][ T6474] el0_svc_common+0x13c/0x258 [ 195.064632][ T6474] do_el0_svc+0x5c/0x140 [ 195.065161][ T6474] el0_svc+0x78/0x1d0 [ 195.065733][ T6474] el0t_64_sync_handler+0xcc/0xe4 [ 195.066398][ T6474] el0t_64_sync+0x1a0/0x1a4 [ 195.068595][ T6474] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.070376][ T6474] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 195.341173][ T6477] loop1: detected capacity change from 0 to 32768 [ 195.391159][ T6477] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 195.392289][ T6477] CPU: 1 PID: 6477 Comm: syz.1.527 Not tainted syzkaller #0 [ 195.393293][ T6477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 195.394618][ T6477] Call trace: [ 195.395038][ T6477] dump_backtrace+0x0/0x458 [ 195.395697][ T6477] show_stack+0x2c/0x3c [ 195.396310][ T6477] __dump_stack+0x30/0x40 [ 195.396957][ T6477] dump_stack_lvl+0xf4/0x15c [ 195.397557][ T6477] dump_stack+0x1c/0x5c [ 195.398101][ T6477] sysfs_create_dir_ns+0x244/0x264 [ 195.398803][ T6477] kobject_add_internal+0x594/0xc2c [ 195.399510][ T6477] kobject_init_and_add+0x128/0x194 [ 195.400148][ T6477] gfs2_sys_fs_add+0x208/0x428 [ 195.400815][ T6477] gfs2_fill_super+0xe20/0x1a9c [ 195.401512][ T6477] get_tree_bdev+0x35c/0x54c [ 195.402107][ T6477] gfs2_get_tree+0x58/0x1b8 [ 195.402656][ T6477] vfs_get_tree+0x90/0x278 [ 195.403227][ T6477] do_new_mount+0x228/0x804 [ 195.403792][ T6477] path_mount+0x57c/0xfe8 [ 195.404394][ T6477] __arm64_sys_mount+0x488/0x5f8 [ 195.405128][ T6477] invoke_syscall+0x98/0x28c [ 195.405782][ T6477] el0_svc_common+0x13c/0x258 [ 195.406480][ T6477] do_el0_svc+0x5c/0x140 [ 195.407031][ T6477] el0_svc+0x78/0x1d0 [ 195.407601][ T6477] el0t_64_sync_handler+0xcc/0xe4 [ 195.408288][ T6477] el0t_64_sync+0x1a0/0x1a4 [ 195.410604][ T6477] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.412441][ T6477] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 195.548013][ T6480] loop1: detected capacity change from 0 to 32768 [ 195.554698][ T6480] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 195.555874][ T6480] CPU: 0 PID: 6480 Comm: syz.1.528 Not tainted syzkaller #0 [ 195.556943][ T6480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 195.558181][ T6480] Call trace: [ 195.558661][ T6480] dump_backtrace+0x0/0x458 [ 195.559278][ T6480] show_stack+0x2c/0x3c [ 195.559942][ T6480] __dump_stack+0x30/0x40 [ 195.560530][ T6480] dump_stack_lvl+0xf4/0x15c [ 195.561159][ T6480] dump_stack+0x1c/0x5c [ 195.561715][ T6480] sysfs_create_dir_ns+0x244/0x264 [ 195.562388][ T6480] kobject_add_internal+0x594/0xc2c [ 195.563074][ T6480] kobject_init_and_add+0x128/0x194 [ 195.563769][ T6480] gfs2_sys_fs_add+0x208/0x428 [ 195.564389][ T6480] gfs2_fill_super+0xe20/0x1a9c [ 195.565013][ T6480] get_tree_bdev+0x35c/0x54c [ 195.565612][ T6480] gfs2_get_tree+0x58/0x1b8 [ 195.566176][ T6480] vfs_get_tree+0x90/0x278 [ 195.566758][ T6480] do_new_mount+0x228/0x804 [ 195.567455][ T6480] path_mount+0x57c/0xfe8 [ 195.568031][ T6480] __arm64_sys_mount+0x488/0x5f8 [ 195.568686][ T6480] invoke_syscall+0x98/0x28c [ 195.569340][ T6480] el0_svc_common+0x13c/0x258 [ 195.569996][ T6480] do_el0_svc+0x5c/0x140 [ 195.570552][ T6480] el0_svc+0x78/0x1d0 [ 195.571090][ T6480] el0t_64_sync_handler+0xcc/0xe4 [ 195.571817][ T6480] el0t_64_sync+0x1a0/0x1a4 [ 195.572559][ T6480] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.574332][ T6480] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 195.712547][ T6483] loop1: detected capacity change from 0 to 32768 [ 195.790785][ T6483] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 195.791841][ T6483] CPU: 1 PID: 6483 Comm: syz.1.529 Not tainted syzkaller #0 [ 195.792844][ T6483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 195.794122][ T6483] Call trace: [ 195.794565][ T6483] dump_backtrace+0x0/0x458 [ 195.795199][ T6483] show_stack+0x2c/0x3c [ 195.795750][ T6483] __dump_stack+0x30/0x40 [ 195.796394][ T6483] dump_stack_lvl+0xf4/0x15c [ 195.797080][ T6483] dump_stack+0x1c/0x5c [ 195.797683][ T6483] sysfs_create_dir_ns+0x244/0x264 [ 195.798461][ T6483] kobject_add_internal+0x594/0xc2c [ 195.799169][ T6483] kobject_init_and_add+0x128/0x194 [ 195.799897][ T6483] gfs2_sys_fs_add+0x208/0x428 [ 195.800589][ T6483] gfs2_fill_super+0xe20/0x1a9c [ 195.801258][ T6483] get_tree_bdev+0x35c/0x54c [ 195.801902][ T6483] gfs2_get_tree+0x58/0x1b8 [ 195.802473][ T6483] vfs_get_tree+0x90/0x278 [ 195.803108][ T6483] do_new_mount+0x228/0x804 [ 195.803706][ T6483] path_mount+0x57c/0xfe8 [ 195.804289][ T6483] __arm64_sys_mount+0x488/0x5f8 [ 195.804971][ T6483] invoke_syscall+0x98/0x28c [ 195.805600][ T6483] el0_svc_common+0x13c/0x258 [ 195.806283][ T6483] do_el0_svc+0x5c/0x140 [ 195.806829][ T6483] el0_svc+0x78/0x1d0 [ 195.807369][ T6483] el0t_64_sync_handler+0xcc/0xe4 [ 195.808098][ T6483] el0t_64_sync+0x1a0/0x1a4 [ 195.810560][ T6483] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.812284][ T6483] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 195.957150][ T6486] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 195.958327][ T6486] CPU: 1 PID: 6486 Comm: syz.1.530 Not tainted syzkaller #0 [ 195.959381][ T6486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 195.960769][ T6486] Call trace: [ 195.961255][ T6486] dump_backtrace+0x0/0x458 [ 195.961873][ T6486] show_stack+0x2c/0x3c [ 195.962457][ T6486] __dump_stack+0x30/0x40 [ 195.963040][ T6486] dump_stack_lvl+0xf4/0x15c [ 195.963756][ T6486] dump_stack+0x1c/0x5c [ 195.964323][ T6486] sysfs_create_dir_ns+0x244/0x264 [ 195.965098][ T6486] kobject_add_internal+0x594/0xc2c [ 195.965822][ T6486] kobject_init_and_add+0x128/0x194 [ 195.966588][ T6486] gfs2_sys_fs_add+0x208/0x428 [ 195.967244][ T6486] gfs2_fill_super+0xe20/0x1a9c [ 195.967923][ T6486] get_tree_bdev+0x35c/0x54c [ 195.968574][ T6486] gfs2_get_tree+0x58/0x1b8 [ 195.969250][ T6486] vfs_get_tree+0x90/0x278 [ 195.969858][ T6486] do_new_mount+0x228/0x804 [ 195.970545][ T6486] path_mount+0x57c/0xfe8 [ 195.971215][ T6486] __arm64_sys_mount+0x488/0x5f8 [ 195.971876][ T6486] invoke_syscall+0x98/0x28c [ 195.972492][ T6486] el0_svc_common+0x13c/0x258 [ 195.973186][ T6486] do_el0_svc+0x5c/0x140 [ 195.973713][ T6486] el0_svc+0x78/0x1d0 [ 195.974253][ T6486] el0t_64_sync_handler+0xcc/0xe4 [ 195.974947][ T6486] el0t_64_sync+0x1a0/0x1a4 [ 195.978398][ T6486] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.980367][ T6486] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 196.146151][ T6489] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 196.147286][ T6489] CPU: 1 PID: 6489 Comm: syz.1.531 Not tainted syzkaller #0 [ 196.148321][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 196.149590][ T6489] Call trace: [ 196.150152][ T6489] dump_backtrace+0x0/0x458 [ 196.150795][ T6489] show_stack+0x2c/0x3c [ 196.151317][ T6489] __dump_stack+0x30/0x40 [ 196.151925][ T6489] dump_stack_lvl+0xf4/0x15c [ 196.152563][ T6489] dump_stack+0x1c/0x5c [ 196.153169][ T6489] sysfs_create_dir_ns+0x244/0x264 [ 196.153877][ T6489] kobject_add_internal+0x594/0xc2c [ 196.154577][ T6489] kobject_init_and_add+0x128/0x194 [ 196.155334][ T6489] gfs2_sys_fs_add+0x208/0x428 [ 196.156030][ T6489] gfs2_fill_super+0xe20/0x1a9c [ 196.156706][ T6489] get_tree_bdev+0x35c/0x54c [ 196.157410][ T6489] gfs2_get_tree+0x58/0x1b8 [ 196.158051][ T6489] vfs_get_tree+0x90/0x278 [ 196.158702][ T6489] do_new_mount+0x228/0x804 [ 196.159326][ T6489] path_mount+0x57c/0xfe8 [ 196.159904][ T6489] __arm64_sys_mount+0x488/0x5f8 [ 196.160637][ T6489] invoke_syscall+0x98/0x28c [ 196.161253][ T6489] el0_svc_common+0x13c/0x258 [ 196.161896][ T6489] do_el0_svc+0x5c/0x140 [ 196.162535][ T6489] el0_svc+0x78/0x1d0 [ 196.163110][ T6489] el0t_64_sync_handler+0xcc/0xe4 [ 196.163870][ T6489] el0t_64_sync+0x1a0/0x1a4 [ 196.166035][ T6489] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.167839][ T6489] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 196.411671][ T6492] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 196.412904][ T6492] CPU: 0 PID: 6492 Comm: syz.1.532 Not tainted syzkaller #0 [ 196.413908][ T6492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 196.415300][ T6492] Call trace: [ 196.415755][ T6492] dump_backtrace+0x0/0x458 [ 196.416369][ T6492] show_stack+0x2c/0x3c [ 196.416940][ T6492] __dump_stack+0x30/0x40 [ 196.417565][ T6492] dump_stack_lvl+0xf4/0x15c [ 196.418181][ T6492] dump_stack+0x1c/0x5c [ 196.418740][ T6492] sysfs_create_dir_ns+0x244/0x264 [ 196.419423][ T6492] kobject_add_internal+0x594/0xc2c [ 196.420116][ T6492] kobject_init_and_add+0x128/0x194 [ 196.420789][ T6492] gfs2_sys_fs_add+0x208/0x428 [ 196.421409][ T6492] gfs2_fill_super+0xe20/0x1a9c [ 196.422035][ T6492] get_tree_bdev+0x35c/0x54c [ 196.422646][ T6492] gfs2_get_tree+0x58/0x1b8 [ 196.423242][ T6492] vfs_get_tree+0x90/0x278 [ 196.423777][ T6492] do_new_mount+0x228/0x804 [ 196.424344][ T6492] path_mount+0x57c/0xfe8 [ 196.424997][ T6492] __arm64_sys_mount+0x488/0x5f8 [ 196.425691][ T6492] invoke_syscall+0x98/0x28c [ 196.426305][ T6492] el0_svc_common+0x13c/0x258 [ 196.426940][ T6492] do_el0_svc+0x5c/0x140 [ 196.427523][ T6492] el0_svc+0x78/0x1d0 [ 196.428099][ T6492] el0t_64_sync_handler+0xcc/0xe4 [ 196.428736][ T6492] el0t_64_sync+0x1a0/0x1a4 [ 196.430006][ T6492] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.431745][ T6492] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 196.648607][ T6495] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 196.649674][ T6495] CPU: 1 PID: 6495 Comm: syz.1.533 Not tainted syzkaller #0 [ 196.650769][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 196.652099][ T6495] Call trace: [ 196.652525][ T6495] dump_backtrace+0x0/0x458 [ 196.653109][ T6495] show_stack+0x2c/0x3c [ 196.653665][ T6495] __dump_stack+0x30/0x40 [ 196.654274][ T6495] dump_stack_lvl+0xf4/0x15c [ 196.654884][ T6495] dump_stack+0x1c/0x5c [ 196.655506][ T6495] sysfs_create_dir_ns+0x244/0x264 [ 196.656243][ T6495] kobject_add_internal+0x594/0xc2c [ 196.656992][ T6495] kobject_init_and_add+0x128/0x194 [ 196.657694][ T6495] gfs2_sys_fs_add+0x208/0x428 [ 196.658353][ T6495] gfs2_fill_super+0xe20/0x1a9c [ 196.658994][ T6495] get_tree_bdev+0x35c/0x54c [ 196.659697][ T6495] gfs2_get_tree+0x58/0x1b8 [ 196.660381][ T6495] vfs_get_tree+0x90/0x278 [ 196.661041][ T6495] do_new_mount+0x228/0x804 [ 196.661684][ T6495] path_mount+0x57c/0xfe8 [ 196.662304][ T6495] __arm64_sys_mount+0x488/0x5f8 [ 196.662944][ T6495] invoke_syscall+0x98/0x28c [ 196.663587][ T6495] el0_svc_common+0x13c/0x258 [ 196.664235][ T6495] do_el0_svc+0x5c/0x140 [ 196.664777][ T6495] el0_svc+0x78/0x1d0 [ 196.665375][ T6495] el0t_64_sync_handler+0xcc/0xe4 [ 196.666043][ T6495] el0t_64_sync+0x1a0/0x1a4 [ 196.668130][ T6495] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.669806][ T6495] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 196.811104][ T6498] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 196.812231][ T6498] CPU: 0 PID: 6498 Comm: syz.1.534 Not tainted syzkaller #0 [ 196.813226][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 196.814543][ T6498] Call trace: [ 196.814986][ T6498] dump_backtrace+0x0/0x458 [ 196.815646][ T6498] show_stack+0x2c/0x3c [ 196.816230][ T6498] __dump_stack+0x30/0x40 [ 196.816820][ T6498] dump_stack_lvl+0xf4/0x15c [ 196.817412][ T6498] dump_stack+0x1c/0x5c [ 196.817901][ T6498] sysfs_create_dir_ns+0x244/0x264 [ 196.818601][ T6498] kobject_add_internal+0x594/0xc2c [ 196.819350][ T6498] kobject_init_and_add+0x128/0x194 [ 196.820020][ T6498] gfs2_sys_fs_add+0x208/0x428 [ 196.820685][ T6498] gfs2_fill_super+0xe20/0x1a9c [ 196.821372][ T6498] get_tree_bdev+0x35c/0x54c [ 196.822001][ T6498] gfs2_get_tree+0x58/0x1b8 [ 196.822616][ T6498] vfs_get_tree+0x90/0x278 [ 196.823166][ T6498] do_new_mount+0x228/0x804 [ 196.823778][ T6498] path_mount+0x57c/0xfe8 [ 196.824369][ T6498] __arm64_sys_mount+0x488/0x5f8 [ 196.825060][ T6498] invoke_syscall+0x98/0x28c [ 196.825723][ T6498] el0_svc_common+0x13c/0x258 [ 196.826352][ T6498] do_el0_svc+0x5c/0x140 [ 196.826940][ T6498] el0_svc+0x78/0x1d0 [ 196.827482][ T6498] el0t_64_sync_handler+0xcc/0xe4 [ 196.828175][ T6498] el0t_64_sync+0x1a0/0x1a4 [ 196.829171][ T6498] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.830915][ T6498] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 197.081319][ T6501] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 197.082384][ T6501] CPU: 0 PID: 6501 Comm: syz.1.535 Not tainted syzkaller #0 [ 197.083397][ T6501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 197.084731][ T6501] Call trace: [ 197.085173][ T6501] dump_backtrace+0x0/0x458 [ 197.085795][ T6501] show_stack+0x2c/0x3c [ 197.086363][ T6501] __dump_stack+0x30/0x40 [ 197.087022][ T6501] dump_stack_lvl+0xf4/0x15c [ 197.087648][ T6501] dump_stack+0x1c/0x5c [ 197.088244][ T6501] sysfs_create_dir_ns+0x244/0x264 [ 197.089017][ T6501] kobject_add_internal+0x594/0xc2c [ 197.089669][ T6501] kobject_init_and_add+0x128/0x194 [ 197.090277][ T6501] gfs2_sys_fs_add+0x208/0x428 [ 197.090914][ T6501] gfs2_fill_super+0xe20/0x1a9c [ 197.091562][ T6501] get_tree_bdev+0x35c/0x54c [ 197.092148][ T6501] gfs2_get_tree+0x58/0x1b8 [ 197.092770][ T6501] vfs_get_tree+0x90/0x278 [ 197.093401][ T6501] do_new_mount+0x228/0x804 [ 197.094058][ T6501] path_mount+0x57c/0xfe8 [ 197.094631][ T6501] __arm64_sys_mount+0x488/0x5f8 [ 197.095223][ T6501] invoke_syscall+0x98/0x28c [ 197.095795][ T6501] el0_svc_common+0x13c/0x258 [ 197.096396][ T6501] do_el0_svc+0x5c/0x140 [ 197.096899][ T6501] el0_svc+0x78/0x1d0 [ 197.097478][ T6501] el0t_64_sync_handler+0xcc/0xe4 [ 197.098117][ T6501] el0t_64_sync+0x1a0/0x1a4 [ 197.098961][ T6501] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.100719][ T6501] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 197.266216][ T6504] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 197.267426][ T6504] CPU: 1 PID: 6504 Comm: syz.1.536 Not tainted syzkaller #0 [ 197.268451][ T6504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 197.269752][ T6504] Call trace: [ 197.270251][ T6504] dump_backtrace+0x0/0x458 [ 197.270925][ T6504] show_stack+0x2c/0x3c [ 197.271463][ T6504] __dump_stack+0x30/0x40 [ 197.272043][ T6504] dump_stack_lvl+0xf4/0x15c [ 197.272721][ T6504] dump_stack+0x1c/0x5c [ 197.273367][ T6504] sysfs_create_dir_ns+0x244/0x264 [ 197.274087][ T6504] kobject_add_internal+0x594/0xc2c [ 197.274769][ T6504] kobject_init_and_add+0x128/0x194 [ 197.275479][ T6504] gfs2_sys_fs_add+0x208/0x428 [ 197.276141][ T6504] gfs2_fill_super+0xe20/0x1a9c [ 197.276822][ T6504] get_tree_bdev+0x35c/0x54c [ 197.277483][ T6504] gfs2_get_tree+0x58/0x1b8 [ 197.278050][ T6504] vfs_get_tree+0x90/0x278 [ 197.278713][ T6504] do_new_mount+0x228/0x804 [ 197.279337][ T6504] path_mount+0x57c/0xfe8 [ 197.279859][ T6504] __arm64_sys_mount+0x488/0x5f8 [ 197.280454][ T6504] invoke_syscall+0x98/0x28c [ 197.281165][ T6504] el0_svc_common+0x13c/0x258 [ 197.281795][ T6504] do_el0_svc+0x5c/0x140 [ 197.282445][ T6504] el0_svc+0x78/0x1d0 [ 197.283016][ T6504] el0t_64_sync_handler+0xcc/0xe4 [ 197.283756][ T6504] el0t_64_sync+0x1a0/0x1a4 [ 197.286727][ T6504] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.288476][ T6504] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 197.521874][ T6507] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 197.522979][ T6507] CPU: 0 PID: 6507 Comm: syz.1.537 Not tainted syzkaller #0 [ 197.523966][ T6507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 197.525241][ T6507] Call trace: [ 197.525692][ T6507] dump_backtrace+0x0/0x458 [ 197.526354][ T6507] show_stack+0x2c/0x3c [ 197.526863][ T6507] __dump_stack+0x30/0x40 [ 197.527538][ T6507] dump_stack_lvl+0xf4/0x15c [ 197.528173][ T6507] dump_stack+0x1c/0x5c [ 197.528714][ T6507] sysfs_create_dir_ns+0x244/0x264 [ 197.529400][ T6507] kobject_add_internal+0x594/0xc2c [ 197.530159][ T6507] kobject_init_and_add+0x128/0x194 [ 197.530823][ T6507] gfs2_sys_fs_add+0x208/0x428 [ 197.531506][ T6507] gfs2_fill_super+0xe20/0x1a9c [ 197.532164][ T6507] get_tree_bdev+0x35c/0x54c [ 197.532786][ T6507] gfs2_get_tree+0x58/0x1b8 [ 197.533358][ T6507] vfs_get_tree+0x90/0x278 [ 197.533996][ T6507] do_new_mount+0x228/0x804 [ 197.534655][ T6507] path_mount+0x57c/0xfe8 [ 197.535212][ T6507] __arm64_sys_mount+0x488/0x5f8 [ 197.535834][ T6507] invoke_syscall+0x98/0x28c [ 197.536481][ T6507] el0_svc_common+0x13c/0x258 [ 197.537142][ T6507] do_el0_svc+0x5c/0x140 [ 197.537737][ T6507] el0_svc+0x78/0x1d0 [ 197.538280][ T6507] el0t_64_sync_handler+0xcc/0xe4 [ 197.538981][ T6507] el0t_64_sync+0x1a0/0x1a4 [ 197.539797][ T6507] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.541628][ T6507] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 197.716172][ T6510] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 197.717304][ T6510] CPU: 0 PID: 6510 Comm: syz.1.538 Not tainted syzkaller #0 [ 197.718340][ T6510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 197.719690][ T6510] Call trace: [ 197.720137][ T6510] dump_backtrace+0x0/0x458 [ 197.720725][ T6510] show_stack+0x2c/0x3c [ 197.721267][ T6510] __dump_stack+0x30/0x40 [ 197.721829][ T6510] dump_stack_lvl+0xf4/0x15c [ 197.722444][ T6510] dump_stack+0x1c/0x5c [ 197.723065][ T6510] sysfs_create_dir_ns+0x244/0x264 [ 197.723820][ T6510] kobject_add_internal+0x594/0xc2c [ 197.724534][ T6510] kobject_init_and_add+0x128/0x194 [ 197.725264][ T6510] gfs2_sys_fs_add+0x208/0x428 [ 197.725890][ T6510] gfs2_fill_super+0xe20/0x1a9c [ 197.726526][ T6510] get_tree_bdev+0x35c/0x54c [ 197.727149][ T6510] gfs2_get_tree+0x58/0x1b8 [ 197.727795][ T6510] vfs_get_tree+0x90/0x278 [ 197.728375][ T6510] do_new_mount+0x228/0x804 [ 197.728979][ T6510] path_mount+0x57c/0xfe8 [ 197.729541][ T6510] __arm64_sys_mount+0x488/0x5f8 [ 197.730185][ T6510] invoke_syscall+0x98/0x28c [ 197.730749][ T6510] el0_svc_common+0x13c/0x258 [ 197.731402][ T6510] do_el0_svc+0x5c/0x140 [ 197.731979][ T6510] el0_svc+0x78/0x1d0 [ 197.732517][ T6510] el0t_64_sync_handler+0xcc/0xe4 [ 197.733193][ T6510] el0t_64_sync+0x1a0/0x1a4 [ 197.735144][ T6510] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.737230][ T6510] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 197.996223][ T6513] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 197.997335][ T6513] CPU: 0 PID: 6513 Comm: syz.1.539 Not tainted syzkaller #0 [ 197.998380][ T6513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 197.999689][ T6513] Call trace: [ 198.000099][ T6513] dump_backtrace+0x0/0x458 [ 198.000778][ T6513] show_stack+0x2c/0x3c [ 198.001445][ T6513] __dump_stack+0x30/0x40 [ 198.002126][ T6513] dump_stack_lvl+0xf4/0x15c [ 198.002850][ T6513] dump_stack+0x1c/0x5c [ 198.003438][ T6513] sysfs_create_dir_ns+0x244/0x264 [ 198.004124][ T6513] kobject_add_internal+0x594/0xc2c [ 198.004874][ T6513] kobject_init_and_add+0x128/0x194 [ 198.005602][ T6513] gfs2_sys_fs_add+0x208/0x428 [ 198.006257][ T6513] gfs2_fill_super+0xe20/0x1a9c [ 198.006879][ T6513] get_tree_bdev+0x35c/0x54c [ 198.007473][ T6513] gfs2_get_tree+0x58/0x1b8 [ 198.008144][ T6513] vfs_get_tree+0x90/0x278 [ 198.008771][ T6513] do_new_mount+0x228/0x804 [ 198.009394][ T6513] path_mount+0x57c/0xfe8 [ 198.009999][ T6513] __arm64_sys_mount+0x488/0x5f8 [ 198.010680][ T6513] invoke_syscall+0x98/0x28c [ 198.011277][ T6513] el0_svc_common+0x13c/0x258 [ 198.011920][ T6513] do_el0_svc+0x5c/0x140 [ 198.012517][ T6513] el0_svc+0x78/0x1d0 [ 198.013052][ T6513] el0t_64_sync_handler+0xcc/0xe4 [ 198.013780][ T6513] el0t_64_sync+0x1a0/0x1a4 [ 198.018589][ T6513] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.020510][ T6513] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 198.231256][ T6516] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 198.232343][ T6516] CPU: 0 PID: 6516 Comm: syz.1.540 Not tainted syzkaller #0 [ 198.233262][ T6516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 198.234671][ T6516] Call trace: [ 198.235174][ T6516] dump_backtrace+0x0/0x458 [ 198.235815][ T6516] show_stack+0x2c/0x3c [ 198.236414][ T6516] __dump_stack+0x30/0x40 [ 198.237009][ T6516] dump_stack_lvl+0xf4/0x15c [ 198.237658][ T6516] dump_stack+0x1c/0x5c [ 198.238243][ T6516] sysfs_create_dir_ns+0x244/0x264 [ 198.238954][ T6516] kobject_add_internal+0x594/0xc2c [ 198.239692][ T6516] kobject_init_and_add+0x128/0x194 [ 198.240364][ T6516] gfs2_sys_fs_add+0x208/0x428 [ 198.241007][ T6516] gfs2_fill_super+0xe20/0x1a9c [ 198.241600][ T6516] get_tree_bdev+0x35c/0x54c [ 198.242245][ T6516] gfs2_get_tree+0x58/0x1b8 [ 198.242812][ T6516] vfs_get_tree+0x90/0x278 [ 198.243386][ T6516] do_new_mount+0x228/0x804 [ 198.244018][ T6516] path_mount+0x57c/0xfe8 [ 198.244570][ T6516] __arm64_sys_mount+0x488/0x5f8 [ 198.245193][ T6516] invoke_syscall+0x98/0x28c [ 198.245801][ T6516] el0_svc_common+0x13c/0x258 [ 198.246418][ T6516] do_el0_svc+0x5c/0x140 [ 198.247041][ T6516] el0_svc+0x78/0x1d0 [ 198.247608][ T6516] el0t_64_sync_handler+0xcc/0xe4 [ 198.248263][ T6516] el0t_64_sync+0x1a0/0x1a4 [ 198.248959][ T6516] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.250757][ T6516] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:18 executed programs: 527 [ 198.441213][ T6519] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 198.442337][ T6519] CPU: 0 PID: 6519 Comm: syz.1.541 Not tainted syzkaller #0 [ 198.443282][ T6519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 198.444579][ T6519] Call trace: [ 198.445009][ T6519] dump_backtrace+0x0/0x458 [ 198.445566][ T6519] show_stack+0x2c/0x3c [ 198.446116][ T6519] __dump_stack+0x30/0x40 [ 198.446715][ T6519] dump_stack_lvl+0xf4/0x15c [ 198.447416][ T6519] dump_stack+0x1c/0x5c [ 198.447959][ T6519] sysfs_create_dir_ns+0x244/0x264 [ 198.448661][ T6519] kobject_add_internal+0x594/0xc2c [ 198.449311][ T6519] kobject_init_and_add+0x128/0x194 [ 198.449999][ T6519] gfs2_sys_fs_add+0x208/0x428 [ 198.450646][ T6519] gfs2_fill_super+0xe20/0x1a9c [ 198.451296][ T6519] get_tree_bdev+0x35c/0x54c [ 198.451898][ T6519] gfs2_get_tree+0x58/0x1b8 [ 198.452519][ T6519] vfs_get_tree+0x90/0x278 [ 198.453119][ T6519] do_new_mount+0x228/0x804 [ 198.453682][ T6519] path_mount+0x57c/0xfe8 [ 198.454267][ T6519] __arm64_sys_mount+0x488/0x5f8 [ 198.454980][ T6519] invoke_syscall+0x98/0x28c [ 198.455585][ T6519] el0_svc_common+0x13c/0x258 [ 198.456202][ T6519] do_el0_svc+0x5c/0x140 [ 198.456745][ T6519] el0_svc+0x78/0x1d0 [ 198.457237][ T6519] el0t_64_sync_handler+0xcc/0xe4 [ 198.457859][ T6519] el0t_64_sync+0x1a0/0x1a4 [ 198.458553][ T6519] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.460299][ T6519] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 198.646239][ T6522] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 198.647355][ T6522] CPU: 0 PID: 6522 Comm: syz.1.542 Not tainted syzkaller #0 [ 198.648254][ T6522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 198.649539][ T6522] Call trace: [ 198.649959][ T6522] dump_backtrace+0x0/0x458 [ 198.650614][ T6522] show_stack+0x2c/0x3c [ 198.651173][ T6522] __dump_stack+0x30/0x40 [ 198.651818][ T6522] dump_stack_lvl+0xf4/0x15c [ 198.652460][ T6522] dump_stack+0x1c/0x5c [ 198.653040][ T6522] sysfs_create_dir_ns+0x244/0x264 [ 198.653756][ T6522] kobject_add_internal+0x594/0xc2c [ 198.654445][ T6522] kobject_init_and_add+0x128/0x194 [ 198.655101][ T6522] gfs2_sys_fs_add+0x208/0x428 [ 198.655792][ T6522] gfs2_fill_super+0xe20/0x1a9c [ 198.656439][ T6522] get_tree_bdev+0x35c/0x54c [ 198.657094][ T6522] gfs2_get_tree+0x58/0x1b8 [ 198.657765][ T6522] vfs_get_tree+0x90/0x278 [ 198.658449][ T6522] do_new_mount+0x228/0x804 [ 198.659146][ T6522] path_mount+0x57c/0xfe8 [ 198.659766][ T6522] __arm64_sys_mount+0x488/0x5f8 [ 198.660404][ T6522] invoke_syscall+0x98/0x28c [ 198.661038][ T6522] el0_svc_common+0x13c/0x258 [ 198.661742][ T6522] do_el0_svc+0x5c/0x140 [ 198.662328][ T6522] el0_svc+0x78/0x1d0 [ 198.662966][ T6522] el0t_64_sync_handler+0xcc/0xe4 [ 198.663689][ T6522] el0t_64_sync+0x1a0/0x1a4 [ 198.665833][ T6522] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.667528][ T6522] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 198.808465][ T6525] set_capacity_and_notify: 13 callbacks suppressed [ 198.808475][ T6525] loop1: detected capacity change from 0 to 32768 [ 198.856294][ T6525] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 198.857368][ T6525] CPU: 1 PID: 6525 Comm: syz.1.543 Not tainted syzkaller #0 [ 198.858374][ T6525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 198.859702][ T6525] Call trace: [ 198.860147][ T6525] dump_backtrace+0x0/0x458 [ 198.860700][ T6525] show_stack+0x2c/0x3c [ 198.861293][ T6525] __dump_stack+0x30/0x40 [ 198.861895][ T6525] dump_stack_lvl+0xf4/0x15c [ 198.862504][ T6525] dump_stack+0x1c/0x5c [ 198.863050][ T6525] sysfs_create_dir_ns+0x244/0x264 [ 198.863742][ T6525] kobject_add_internal+0x594/0xc2c [ 198.864504][ T6525] kobject_init_and_add+0x128/0x194 [ 198.865206][ T6525] gfs2_sys_fs_add+0x208/0x428 [ 198.865911][ T6525] gfs2_fill_super+0xe20/0x1a9c [ 198.866576][ T6525] get_tree_bdev+0x35c/0x54c [ 198.867251][ T6525] gfs2_get_tree+0x58/0x1b8 [ 198.867848][ T6525] vfs_get_tree+0x90/0x278 [ 198.868516][ T6525] do_new_mount+0x228/0x804 [ 198.869138][ T6525] path_mount+0x57c/0xfe8 [ 198.869698][ T6525] __arm64_sys_mount+0x488/0x5f8 [ 198.870349][ T6525] invoke_syscall+0x98/0x28c [ 198.870983][ T6525] el0_svc_common+0x13c/0x258 [ 198.871654][ T6525] do_el0_svc+0x5c/0x140 [ 198.872231][ T6525] el0_svc+0x78/0x1d0 [ 198.872780][ T6525] el0t_64_sync_handler+0xcc/0xe4 [ 198.873482][ T6525] el0t_64_sync+0x1a0/0x1a4 [ 198.875625][ T6525] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.877611][ T6525] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 199.013522][ T6528] loop1: detected capacity change from 0 to 32768 [ 199.046227][ T6528] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 199.047399][ T6528] CPU: 0 PID: 6528 Comm: syz.1.544 Not tainted syzkaller #0 [ 199.048494][ T6528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 199.049728][ T6528] Call trace: [ 199.050139][ T6528] dump_backtrace+0x0/0x458 [ 199.050733][ T6528] show_stack+0x2c/0x3c [ 199.051270][ T6528] __dump_stack+0x30/0x40 [ 199.051836][ T6528] dump_stack_lvl+0xf4/0x15c [ 199.052439][ T6528] dump_stack+0x1c/0x5c [ 199.052966][ T6528] sysfs_create_dir_ns+0x244/0x264 [ 199.053657][ T6528] kobject_add_internal+0x594/0xc2c [ 199.054338][ T6528] kobject_init_and_add+0x128/0x194 [ 199.055016][ T6528] gfs2_sys_fs_add+0x208/0x428 [ 199.055654][ T6528] gfs2_fill_super+0xe20/0x1a9c [ 199.056297][ T6528] get_tree_bdev+0x35c/0x54c [ 199.056887][ T6528] gfs2_get_tree+0x58/0x1b8 [ 199.057536][ T6528] vfs_get_tree+0x90/0x278 [ 199.058133][ T6528] do_new_mount+0x228/0x804 [ 199.058750][ T6528] path_mount+0x57c/0xfe8 [ 199.059348][ T6528] __arm64_sys_mount+0x488/0x5f8 [ 199.060013][ T6528] invoke_syscall+0x98/0x28c [ 199.060582][ T6528] el0_svc_common+0x13c/0x258 [ 199.061178][ T6528] do_el0_svc+0x5c/0x140 [ 199.061789][ T6528] el0_svc+0x78/0x1d0 [ 199.062326][ T6528] el0t_64_sync_handler+0xcc/0xe4 [ 199.063040][ T6528] el0t_64_sync+0x1a0/0x1a4 [ 199.065094][ T6528] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.066906][ T6528] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 199.254558][ T6531] loop1: detected capacity change from 0 to 32768 [ 199.262181][ T6531] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 199.263242][ T6531] CPU: 1 PID: 6531 Comm: syz.1.545 Not tainted syzkaller #0 [ 199.264314][ T6531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 199.265770][ T6531] Call trace: [ 199.266281][ T6531] dump_backtrace+0x0/0x458 [ 199.266949][ T6531] show_stack+0x2c/0x3c [ 199.267614][ T6531] __dump_stack+0x30/0x40 [ 199.268252][ T6531] dump_stack_lvl+0xf4/0x15c [ 199.268934][ T6531] dump_stack+0x1c/0x5c [ 199.269496][ T6531] sysfs_create_dir_ns+0x244/0x264 [ 199.270228][ T6531] kobject_add_internal+0x594/0xc2c [ 199.270936][ T6531] kobject_init_and_add+0x128/0x194 [ 199.271709][ T6531] gfs2_sys_fs_add+0x208/0x428 [ 199.272316][ T6531] gfs2_fill_super+0xe20/0x1a9c [ 199.273077][ T6531] get_tree_bdev+0x35c/0x54c [ 199.273697][ T6531] gfs2_get_tree+0x58/0x1b8 [ 199.274323][ T6531] vfs_get_tree+0x90/0x278 [ 199.274894][ T6531] do_new_mount+0x228/0x804 [ 199.275534][ T6531] path_mount+0x57c/0xfe8 [ 199.276125][ T6531] __arm64_sys_mount+0x488/0x5f8 [ 199.276832][ T6531] invoke_syscall+0x98/0x28c [ 199.277477][ T6531] el0_svc_common+0x13c/0x258 [ 199.278193][ T6531] do_el0_svc+0x5c/0x140 [ 199.278811][ T6531] el0_svc+0x78/0x1d0 [ 199.279398][ T6531] el0t_64_sync_handler+0xcc/0xe4 [ 199.280059][ T6531] el0t_64_sync+0x1a0/0x1a4 [ 199.281152][ T6531] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.282927][ T6531] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 199.493828][ T6534] loop1: detected capacity change from 0 to 32768 [ 199.536738][ T6534] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 199.537748][ T6534] CPU: 0 PID: 6534 Comm: syz.1.546 Not tainted syzkaller #0 [ 199.538762][ T6534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 199.540181][ T6534] Call trace: [ 199.540602][ T6534] dump_backtrace+0x0/0x458 [ 199.541211][ T6534] show_stack+0x2c/0x3c [ 199.541778][ T6534] __dump_stack+0x30/0x40 [ 199.542364][ T6534] dump_stack_lvl+0xf4/0x15c [ 199.543014][ T6534] dump_stack+0x1c/0x5c [ 199.543596][ T6534] sysfs_create_dir_ns+0x244/0x264 [ 199.544282][ T6534] kobject_add_internal+0x594/0xc2c [ 199.544915][ T6534] kobject_init_and_add+0x128/0x194 [ 199.545543][ T6534] gfs2_sys_fs_add+0x208/0x428 [ 199.546155][ T6534] gfs2_fill_super+0xe20/0x1a9c [ 199.546854][ T6534] get_tree_bdev+0x35c/0x54c [ 199.547520][ T6534] gfs2_get_tree+0x58/0x1b8 [ 199.548162][ T6534] vfs_get_tree+0x90/0x278 [ 199.548747][ T6534] do_new_mount+0x228/0x804 [ 199.549339][ T6534] path_mount+0x57c/0xfe8 [ 199.549894][ T6534] __arm64_sys_mount+0x488/0x5f8 [ 199.550558][ T6534] invoke_syscall+0x98/0x28c [ 199.551227][ T6534] el0_svc_common+0x13c/0x258 [ 199.551864][ T6534] do_el0_svc+0x5c/0x140 [ 199.552337][ T6534] el0_svc+0x78/0x1d0 [ 199.552871][ T6534] el0t_64_sync_handler+0xcc/0xe4 [ 199.553538][ T6534] el0t_64_sync+0x1a0/0x1a4 [ 199.555462][ T6534] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.557196][ T6534] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 199.751507][ T6537] loop1: detected capacity change from 0 to 32768 [ 199.793357][ T6537] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 199.794451][ T6537] CPU: 1 PID: 6537 Comm: syz.1.547 Not tainted syzkaller #0 [ 199.795390][ T6537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 199.796798][ T6537] Call trace: [ 199.797221][ T6537] dump_backtrace+0x0/0x458 [ 199.797862][ T6537] show_stack+0x2c/0x3c [ 199.798415][ T6537] __dump_stack+0x30/0x40 [ 199.799033][ T6537] dump_stack_lvl+0xf4/0x15c [ 199.799631][ T6537] dump_stack+0x1c/0x5c [ 199.800182][ T6537] sysfs_create_dir_ns+0x244/0x264 [ 199.800839][ T6537] kobject_add_internal+0x594/0xc2c [ 199.801532][ T6537] kobject_init_and_add+0x128/0x194 [ 199.802275][ T6537] gfs2_sys_fs_add+0x208/0x428 [ 199.802898][ T6537] gfs2_fill_super+0xe20/0x1a9c [ 199.803595][ T6537] get_tree_bdev+0x35c/0x54c [ 199.804219][ T6537] gfs2_get_tree+0x58/0x1b8 [ 199.804896][ T6537] vfs_get_tree+0x90/0x278 [ 199.805524][ T6537] do_new_mount+0x228/0x804 [ 199.806153][ T6537] path_mount+0x57c/0xfe8 [ 199.806687][ T6537] __arm64_sys_mount+0x488/0x5f8 [ 199.807440][ T6537] invoke_syscall+0x98/0x28c [ 199.808090][ T6537] el0_svc_common+0x13c/0x258 [ 199.808781][ T6537] do_el0_svc+0x5c/0x140 [ 199.809367][ T6537] el0_svc+0x78/0x1d0 [ 199.809891][ T6537] el0t_64_sync_handler+0xcc/0xe4 [ 199.810613][ T6537] el0t_64_sync+0x1a0/0x1a4 [ 199.813245][ T6537] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.814974][ T6537] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 199.949931][ T6540] loop1: detected capacity change from 0 to 32768 [ 199.986213][ T6540] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 199.987271][ T6540] CPU: 0 PID: 6540 Comm: syz.1.548 Not tainted syzkaller #0 [ 199.988241][ T6540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 199.989564][ T6540] Call trace: [ 199.990037][ T6540] dump_backtrace+0x0/0x458 [ 199.990648][ T6540] show_stack+0x2c/0x3c [ 199.991228][ T6540] __dump_stack+0x30/0x40 [ 199.991728][ T6540] dump_stack_lvl+0xf4/0x15c [ 199.992374][ T6540] dump_stack+0x1c/0x5c [ 199.992909][ T6540] sysfs_create_dir_ns+0x244/0x264 [ 199.993516][ T6540] kobject_add_internal+0x594/0xc2c [ 199.994169][ T6540] kobject_init_and_add+0x128/0x194 [ 199.994898][ T6540] gfs2_sys_fs_add+0x208/0x428 [ 199.995589][ T6540] gfs2_fill_super+0xe20/0x1a9c [ 199.996255][ T6540] get_tree_bdev+0x35c/0x54c [ 199.996885][ T6540] gfs2_get_tree+0x58/0x1b8 [ 199.997494][ T6540] vfs_get_tree+0x90/0x278 [ 199.998154][ T6540] do_new_mount+0x228/0x804 [ 199.998769][ T6540] path_mount+0x57c/0xfe8 [ 199.999384][ T6540] __arm64_sys_mount+0x488/0x5f8 [ 200.000040][ T6540] invoke_syscall+0x98/0x28c [ 200.000669][ T6540] el0_svc_common+0x13c/0x258 [ 200.001246][ T6540] do_el0_svc+0x5c/0x140 [ 200.001844][ T6540] el0_svc+0x78/0x1d0 [ 200.002355][ T6540] el0t_64_sync_handler+0xcc/0xe4 [ 200.002980][ T6540] el0t_64_sync+0x1a0/0x1a4 [ 200.004408][ T6540] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.007533][ T6540] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 200.142072][ T6543] loop1: detected capacity change from 0 to 32768 [ 200.149553][ T6543] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 200.150591][ T6543] CPU: 1 PID: 6543 Comm: syz.1.549 Not tainted syzkaller #0 [ 200.151535][ T6543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 200.152930][ T6543] Call trace: [ 200.153356][ T6543] dump_backtrace+0x0/0x458 [ 200.153977][ T6543] show_stack+0x2c/0x3c [ 200.154533][ T6543] __dump_stack+0x30/0x40 [ 200.155131][ T6543] dump_stack_lvl+0xf4/0x15c [ 200.155733][ T6543] dump_stack+0x1c/0x5c [ 200.156262][ T6543] sysfs_create_dir_ns+0x244/0x264 [ 200.156908][ T6543] kobject_add_internal+0x594/0xc2c [ 200.157650][ T6543] kobject_init_and_add+0x128/0x194 [ 200.158350][ T6543] gfs2_sys_fs_add+0x208/0x428 [ 200.158995][ T6543] gfs2_fill_super+0xe20/0x1a9c [ 200.159639][ T6543] get_tree_bdev+0x35c/0x54c [ 200.160287][ T6543] gfs2_get_tree+0x58/0x1b8 [ 200.160939][ T6543] vfs_get_tree+0x90/0x278 [ 200.161571][ T6543] do_new_mount+0x228/0x804 [ 200.162172][ T6543] path_mount+0x57c/0xfe8 [ 200.162820][ T6543] __arm64_sys_mount+0x488/0x5f8 [ 200.163503][ T6543] invoke_syscall+0x98/0x28c [ 200.164146][ T6543] el0_svc_common+0x13c/0x258 [ 200.164786][ T6543] do_el0_svc+0x5c/0x140 [ 200.165409][ T6543] el0_svc+0x78/0x1d0 [ 200.165992][ T6543] el0t_64_sync_handler+0xcc/0xe4 [ 200.166710][ T6543] el0t_64_sync+0x1a0/0x1a4 [ 200.169111][ T6543] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.170873][ T6543] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 200.310388][ T6546] loop1: detected capacity change from 0 to 32768 [ 200.395787][ T6546] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 200.396831][ T6546] CPU: 0 PID: 6546 Comm: syz.1.550 Not tainted syzkaller #0 [ 200.397787][ T6546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 200.399161][ T6546] Call trace: [ 200.399625][ T6546] dump_backtrace+0x0/0x458 [ 200.400273][ T6546] show_stack+0x2c/0x3c [ 200.400803][ T6546] __dump_stack+0x30/0x40 [ 200.401355][ T6546] dump_stack_lvl+0xf4/0x15c [ 200.402009][ T6546] dump_stack+0x1c/0x5c [ 200.402552][ T6546] sysfs_create_dir_ns+0x244/0x264 [ 200.403303][ T6546] kobject_add_internal+0x594/0xc2c [ 200.404029][ T6546] kobject_init_and_add+0x128/0x194 [ 200.404769][ T6546] gfs2_sys_fs_add+0x208/0x428 [ 200.405430][ T6546] gfs2_fill_super+0xe20/0x1a9c [ 200.406057][ T6546] get_tree_bdev+0x35c/0x54c [ 200.406679][ T6546] gfs2_get_tree+0x58/0x1b8 [ 200.407280][ T6546] vfs_get_tree+0x90/0x278 [ 200.407865][ T6546] do_new_mount+0x228/0x804 [ 200.408498][ T6546] path_mount+0x57c/0xfe8 [ 200.409171][ T6546] __arm64_sys_mount+0x488/0x5f8 [ 200.409849][ T6546] invoke_syscall+0x98/0x28c [ 200.410406][ T6546] el0_svc_common+0x13c/0x258 [ 200.411037][ T6546] do_el0_svc+0x5c/0x140 [ 200.411654][ T6546] el0_svc+0x78/0x1d0 [ 200.412228][ T6546] el0t_64_sync_handler+0xcc/0xe4 [ 200.412856][ T6546] el0t_64_sync+0x1a0/0x1a4 [ 200.414874][ T6546] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.416764][ T6546] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 200.554674][ T6550] loop1: detected capacity change from 0 to 32768 [ 200.606534][ T6550] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 200.607663][ T6550] CPU: 1 PID: 6550 Comm: syz.1.551 Not tainted syzkaller #0 [ 200.608757][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 200.610107][ T6550] Call trace: [ 200.610611][ T6550] dump_backtrace+0x0/0x458 [ 200.611217][ T6550] show_stack+0x2c/0x3c [ 200.611773][ T6550] __dump_stack+0x30/0x40 [ 200.612416][ T6550] dump_stack_lvl+0xf4/0x15c [ 200.613089][ T6550] dump_stack+0x1c/0x5c [ 200.613674][ T6550] sysfs_create_dir_ns+0x244/0x264 [ 200.614331][ T6550] kobject_add_internal+0x594/0xc2c [ 200.615013][ T6550] kobject_init_and_add+0x128/0x194 [ 200.615749][ T6550] gfs2_sys_fs_add+0x208/0x428 [ 200.616435][ T6550] gfs2_fill_super+0xe20/0x1a9c [ 200.617097][ T6550] get_tree_bdev+0x35c/0x54c [ 200.617789][ T6550] gfs2_get_tree+0x58/0x1b8 [ 200.618452][ T6550] vfs_get_tree+0x90/0x278 [ 200.619076][ T6550] do_new_mount+0x228/0x804 [ 200.619841][ T6550] path_mount+0x57c/0xfe8 [ 200.620563][ T6550] __arm64_sys_mount+0x488/0x5f8 [ 200.621300][ T6550] invoke_syscall+0x98/0x28c [ 200.621981][ T6550] el0_svc_common+0x13c/0x258 [ 200.622702][ T6550] do_el0_svc+0x5c/0x140 [ 200.623293][ T6550] el0_svc+0x78/0x1d0 [ 200.623759][ T6550] el0t_64_sync_handler+0xcc/0xe4 [ 200.624416][ T6550] el0t_64_sync+0x1a0/0x1a4 [ 200.631154][ T6550] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.632958][ T6550] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 200.831188][ T6553] loop1: detected capacity change from 0 to 32768 [ 200.873869][ T6553] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 200.874924][ T6553] CPU: 0 PID: 6553 Comm: syz.1.552 Not tainted syzkaller #0 [ 200.875911][ T6553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 200.877165][ T6553] Call trace: [ 200.877644][ T6553] dump_backtrace+0x0/0x458 [ 200.878296][ T6553] show_stack+0x2c/0x3c [ 200.878892][ T6553] __dump_stack+0x30/0x40 [ 200.879507][ T6553] dump_stack_lvl+0xf4/0x15c [ 200.880119][ T6553] dump_stack+0x1c/0x5c [ 200.880683][ T6553] sysfs_create_dir_ns+0x244/0x264 [ 200.881368][ T6553] kobject_add_internal+0x594/0xc2c [ 200.882041][ T6553] kobject_init_and_add+0x128/0x194 [ 200.882746][ T6553] gfs2_sys_fs_add+0x208/0x428 [ 200.883449][ T6553] gfs2_fill_super+0xe20/0x1a9c [ 200.884115][ T6553] get_tree_bdev+0x35c/0x54c [ 200.884731][ T6553] gfs2_get_tree+0x58/0x1b8 [ 200.885358][ T6553] vfs_get_tree+0x90/0x278 [ 200.885920][ T6553] do_new_mount+0x228/0x804 [ 200.886580][ T6553] path_mount+0x57c/0xfe8 [ 200.887171][ T6553] __arm64_sys_mount+0x488/0x5f8 [ 200.887865][ T6553] invoke_syscall+0x98/0x28c [ 200.888485][ T6553] el0_svc_common+0x13c/0x258 [ 200.889184][ T6553] do_el0_svc+0x5c/0x140 [ 200.889755][ T6553] el0_svc+0x78/0x1d0 [ 200.890312][ T6553] el0t_64_sync_handler+0xcc/0xe4 [ 200.890985][ T6553] el0t_64_sync+0x1a0/0x1a4 [ 200.893173][ T6553] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.894908][ T6553] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 201.086158][ T6556] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 201.087204][ T6556] CPU: 1 PID: 6556 Comm: syz.1.553 Not tainted syzkaller #0 [ 201.088215][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 201.089559][ T6556] Call trace: [ 201.089998][ T6556] dump_backtrace+0x0/0x458 [ 201.090619][ T6556] show_stack+0x2c/0x3c [ 201.091194][ T6556] __dump_stack+0x30/0x40 [ 201.091789][ T6556] dump_stack_lvl+0xf4/0x15c [ 201.092420][ T6556] dump_stack+0x1c/0x5c [ 201.092939][ T6556] sysfs_create_dir_ns+0x244/0x264 [ 201.093669][ T6556] kobject_add_internal+0x594/0xc2c [ 201.094354][ T6556] kobject_init_and_add+0x128/0x194 [ 201.095118][ T6556] gfs2_sys_fs_add+0x208/0x428 [ 201.095760][ T6556] gfs2_fill_super+0xe20/0x1a9c [ 201.096408][ T6556] get_tree_bdev+0x35c/0x54c [ 201.097031][ T6556] gfs2_get_tree+0x58/0x1b8 [ 201.097636][ T6556] vfs_get_tree+0x90/0x278 [ 201.098173][ T6556] do_new_mount+0x228/0x804 [ 201.098777][ T6556] path_mount+0x57c/0xfe8 [ 201.099381][ T6556] __arm64_sys_mount+0x488/0x5f8 [ 201.100024][ T6556] invoke_syscall+0x98/0x28c [ 201.100640][ T6556] el0_svc_common+0x13c/0x258 [ 201.101352][ T6556] do_el0_svc+0x5c/0x140 [ 201.101935][ T6556] el0_svc+0x78/0x1d0 [ 201.102503][ T6556] el0t_64_sync_handler+0xcc/0xe4 [ 201.103224][ T6556] el0t_64_sync+0x1a0/0x1a4 [ 201.104849][ T6556] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.106825][ T6556] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 201.331979][ T6559] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 201.333278][ T6559] CPU: 1 PID: 6559 Comm: syz.1.554 Not tainted syzkaller #0 [ 201.334238][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 201.335505][ T6559] Call trace: [ 201.335954][ T6559] dump_backtrace+0x0/0x458 [ 201.336530][ T6559] show_stack+0x2c/0x3c [ 201.337095][ T6559] __dump_stack+0x30/0x40 [ 201.337679][ T6559] dump_stack_lvl+0xf4/0x15c [ 201.338382][ T6559] dump_stack+0x1c/0x5c [ 201.338990][ T6559] sysfs_create_dir_ns+0x244/0x264 [ 201.339746][ T6559] kobject_add_internal+0x594/0xc2c [ 201.340489][ T6559] kobject_init_and_add+0x128/0x194 [ 201.341224][ T6559] gfs2_sys_fs_add+0x208/0x428 [ 201.341935][ T6559] gfs2_fill_super+0xe20/0x1a9c [ 201.342607][ T6559] get_tree_bdev+0x35c/0x54c [ 201.343298][ T6559] gfs2_get_tree+0x58/0x1b8 [ 201.343939][ T6559] vfs_get_tree+0x90/0x278 [ 201.344609][ T6559] do_new_mount+0x228/0x804 [ 201.345244][ T6559] path_mount+0x57c/0xfe8 [ 201.345856][ T6559] __arm64_sys_mount+0x488/0x5f8 [ 201.346529][ T6559] invoke_syscall+0x98/0x28c [ 201.347222][ T6559] el0_svc_common+0x13c/0x258 [ 201.347845][ T6559] do_el0_svc+0x5c/0x140 [ 201.348500][ T6559] el0_svc+0x78/0x1d0 [ 201.349028][ T6559] el0t_64_sync_handler+0xcc/0xe4 [ 201.349692][ T6559] el0t_64_sync+0x1a0/0x1a4 [ 201.351117][ T6559] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.352830][ T6559] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 201.571435][ T6563] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 201.572588][ T6563] CPU: 0 PID: 6563 Comm: syz.1.555 Not tainted syzkaller #0 [ 201.573482][ T6563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 201.574770][ T6563] Call trace: [ 201.575214][ T6563] dump_backtrace+0x0/0x458 [ 201.575833][ T6563] show_stack+0x2c/0x3c [ 201.576361][ T6563] __dump_stack+0x30/0x40 [ 201.576910][ T6563] dump_stack_lvl+0xf4/0x15c [ 201.577557][ T6563] dump_stack+0x1c/0x5c [ 201.578141][ T6563] sysfs_create_dir_ns+0x244/0x264 [ 201.578838][ T6563] kobject_add_internal+0x594/0xc2c [ 201.579602][ T6563] kobject_init_and_add+0x128/0x194 [ 201.580321][ T6563] gfs2_sys_fs_add+0x208/0x428 [ 201.580962][ T6563] gfs2_fill_super+0xe20/0x1a9c [ 201.581636][ T6563] get_tree_bdev+0x35c/0x54c [ 201.582278][ T6563] gfs2_get_tree+0x58/0x1b8 [ 201.582904][ T6563] vfs_get_tree+0x90/0x278 [ 201.583532][ T6563] do_new_mount+0x228/0x804 [ 201.584117][ T6563] path_mount+0x57c/0xfe8 [ 201.584671][ T6563] __arm64_sys_mount+0x488/0x5f8 [ 201.585341][ T6563] invoke_syscall+0x98/0x28c [ 201.585969][ T6563] el0_svc_common+0x13c/0x258 [ 201.586572][ T6563] do_el0_svc+0x5c/0x140 [ 201.587164][ T6563] el0_svc+0x78/0x1d0 [ 201.587703][ T6563] el0t_64_sync_handler+0xcc/0xe4 [ 201.588364][ T6563] el0t_64_sync+0x1a0/0x1a4 [ 201.589172][ T6563] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.590893][ T6563] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 201.763148][ T6566] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 201.764225][ T6566] CPU: 0 PID: 6566 Comm: syz.1.556 Not tainted syzkaller #0 [ 201.765168][ T6566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 201.766572][ T6566] Call trace: [ 201.767023][ T6566] dump_backtrace+0x0/0x458 [ 201.767607][ T6566] show_stack+0x2c/0x3c [ 201.768111][ T6566] __dump_stack+0x30/0x40 [ 201.768624][ T6566] dump_stack_lvl+0xf4/0x15c [ 201.769206][ T6566] dump_stack+0x1c/0x5c [ 201.769854][ T6566] sysfs_create_dir_ns+0x244/0x264 [ 201.770650][ T6566] kobject_add_internal+0x594/0xc2c [ 201.771399][ T6566] kobject_init_and_add+0x128/0x194 [ 201.772151][ T6566] gfs2_sys_fs_add+0x208/0x428 [ 201.772800][ T6566] gfs2_fill_super+0xe20/0x1a9c [ 201.773591][ T6566] get_tree_bdev+0x35c/0x54c [ 201.774190][ T6566] gfs2_get_tree+0x58/0x1b8 [ 201.774810][ T6566] vfs_get_tree+0x90/0x278 [ 201.775444][ T6566] do_new_mount+0x228/0x804 [ 201.776043][ T6566] path_mount+0x57c/0xfe8 [ 201.776635][ T6566] __arm64_sys_mount+0x488/0x5f8 [ 201.777292][ T6566] invoke_syscall+0x98/0x28c [ 201.777919][ T6566] el0_svc_common+0x13c/0x258 [ 201.778591][ T6566] do_el0_svc+0x5c/0x140 [ 201.779178][ T6566] el0_svc+0x78/0x1d0 [ 201.779783][ T6566] el0t_64_sync_handler+0xcc/0xe4 [ 201.780413][ T6566] el0t_64_sync+0x1a0/0x1a4 [ 201.781379][ T6566] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.783092][ T6566] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 201.966209][ T6570] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 201.967354][ T6570] CPU: 1 PID: 6570 Comm: syz.1.557 Not tainted syzkaller #0 [ 201.968354][ T6570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 201.969687][ T6570] Call trace: [ 201.970133][ T6570] dump_backtrace+0x0/0x458 [ 201.970820][ T6570] show_stack+0x2c/0x3c [ 201.971439][ T6570] __dump_stack+0x30/0x40 [ 201.972072][ T6570] dump_stack_lvl+0xf4/0x15c [ 201.972709][ T6570] dump_stack+0x1c/0x5c [ 201.973348][ T6570] sysfs_create_dir_ns+0x244/0x264 [ 201.974017][ T6570] kobject_add_internal+0x594/0xc2c [ 201.974671][ T6570] kobject_init_and_add+0x128/0x194 [ 201.975337][ T6570] gfs2_sys_fs_add+0x208/0x428 [ 201.975970][ T6570] gfs2_fill_super+0xe20/0x1a9c [ 201.976652][ T6570] get_tree_bdev+0x35c/0x54c [ 201.977268][ T6570] gfs2_get_tree+0x58/0x1b8 [ 201.977943][ T6570] vfs_get_tree+0x90/0x278 [ 201.978551][ T6570] do_new_mount+0x228/0x804 [ 201.979153][ T6570] path_mount+0x57c/0xfe8 [ 201.979793][ T6570] __arm64_sys_mount+0x488/0x5f8 [ 201.980521][ T6570] invoke_syscall+0x98/0x28c [ 201.981124][ T6570] el0_svc_common+0x13c/0x258 [ 201.981841][ T6570] do_el0_svc+0x5c/0x140 [ 201.982446][ T6570] el0_svc+0x78/0x1d0 [ 201.983056][ T6570] el0t_64_sync_handler+0xcc/0xe4 [ 201.983722][ T6570] el0t_64_sync+0x1a0/0x1a4 [ 201.984570][ T6570] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.986638][ T6570] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 202.131899][ T6575] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 202.133103][ T6575] CPU: 0 PID: 6575 Comm: syz.1.558 Not tainted syzkaller #0 [ 202.134123][ T6575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 202.135493][ T6575] Call trace: [ 202.135947][ T6575] dump_backtrace+0x0/0x458 [ 202.136552][ T6575] show_stack+0x2c/0x3c [ 202.137133][ T6575] __dump_stack+0x30/0x40 [ 202.137779][ T6575] dump_stack_lvl+0xf4/0x15c [ 202.138422][ T6575] dump_stack+0x1c/0x5c [ 202.139055][ T6575] sysfs_create_dir_ns+0x244/0x264 [ 202.139747][ T6575] kobject_add_internal+0x594/0xc2c [ 202.140442][ T6575] kobject_init_and_add+0x128/0x194 [ 202.141232][ T6575] gfs2_sys_fs_add+0x208/0x428 [ 202.141963][ T6575] gfs2_fill_super+0xe20/0x1a9c [ 202.142685][ T6575] get_tree_bdev+0x35c/0x54c [ 202.143279][ T6575] gfs2_get_tree+0x58/0x1b8 [ 202.143954][ T6575] vfs_get_tree+0x90/0x278 [ 202.144579][ T6575] do_new_mount+0x228/0x804 [ 202.145233][ T6575] path_mount+0x57c/0xfe8 [ 202.145864][ T6575] __arm64_sys_mount+0x488/0x5f8 [ 202.146509][ T6575] invoke_syscall+0x98/0x28c [ 202.147142][ T6575] el0_svc_common+0x13c/0x258 [ 202.147761][ T6575] do_el0_svc+0x5c/0x140 [ 202.148278][ T6575] el0_svc+0x78/0x1d0 [ 202.148794][ T6575] el0t_64_sync_handler+0xcc/0xe4 [ 202.149504][ T6575] el0t_64_sync+0x1a0/0x1a4 [ 202.153028][ T6575] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.155101][ T6575] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 202.365206][ T6579] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 202.367042][ T6579] CPU: 1 PID: 6579 Comm: syz.1.559 Not tainted syzkaller #0 [ 202.368059][ T6579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 202.369418][ T6579] Call trace: [ 202.369851][ T6579] dump_backtrace+0x0/0x458 [ 202.370523][ T6579] show_stack+0x2c/0x3c [ 202.371079][ T6579] __dump_stack+0x30/0x40 [ 202.371703][ T6579] dump_stack_lvl+0xf4/0x15c [ 202.372322][ T6579] dump_stack+0x1c/0x5c [ 202.372890][ T6579] sysfs_create_dir_ns+0x244/0x264 [ 202.373625][ T6579] kobject_add_internal+0x594/0xc2c [ 202.374346][ T6579] kobject_init_and_add+0x128/0x194 [ 202.374993][ T6579] gfs2_sys_fs_add+0x208/0x428 [ 202.375579][ T6579] gfs2_fill_super+0xe20/0x1a9c [ 202.376203][ T6579] get_tree_bdev+0x35c/0x54c [ 202.376883][ T6579] gfs2_get_tree+0x58/0x1b8 [ 202.377519][ T6579] vfs_get_tree+0x90/0x278 [ 202.378150][ T6579] do_new_mount+0x228/0x804 [ 202.378768][ T6579] path_mount+0x57c/0xfe8 [ 202.379391][ T6579] __arm64_sys_mount+0x488/0x5f8 [ 202.380147][ T6579] invoke_syscall+0x98/0x28c [ 202.380762][ T6579] el0_svc_common+0x13c/0x258 [ 202.381416][ T6579] do_el0_svc+0x5c/0x140 [ 202.382048][ T6579] el0_svc+0x78/0x1d0 [ 202.382593][ T6579] el0t_64_sync_handler+0xcc/0xe4 [ 202.383300][ T6579] el0t_64_sync+0x1a0/0x1a4 [ 202.385466][ T6579] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.387475][ T6579] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 202.530886][ T6582] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 202.531932][ T6582] CPU: 0 PID: 6582 Comm: syz.1.560 Not tainted syzkaller #0 [ 202.532892][ T6582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 202.534169][ T6582] Call trace: [ 202.534640][ T6582] dump_backtrace+0x0/0x458 [ 202.535241][ T6582] show_stack+0x2c/0x3c [ 202.535801][ T6582] __dump_stack+0x30/0x40 [ 202.536485][ T6582] dump_stack_lvl+0xf4/0x15c [ 202.537137][ T6582] dump_stack+0x1c/0x5c [ 202.537737][ T6582] sysfs_create_dir_ns+0x244/0x264 [ 202.538468][ T6582] kobject_add_internal+0x594/0xc2c [ 202.539136][ T6582] kobject_init_and_add+0x128/0x194 [ 202.539833][ T6582] gfs2_sys_fs_add+0x208/0x428 [ 202.540451][ T6582] gfs2_fill_super+0xe20/0x1a9c [ 202.541068][ T6582] get_tree_bdev+0x35c/0x54c [ 202.541728][ T6582] gfs2_get_tree+0x58/0x1b8 [ 202.542332][ T6582] vfs_get_tree+0x90/0x278 [ 202.542927][ T6582] do_new_mount+0x228/0x804 [ 202.543526][ T6582] path_mount+0x57c/0xfe8 [ 202.544121][ T6582] __arm64_sys_mount+0x488/0x5f8 [ 202.544771][ T6582] invoke_syscall+0x98/0x28c [ 202.545404][ T6582] el0_svc_common+0x13c/0x258 [ 202.546022][ T6582] do_el0_svc+0x5c/0x140 [ 202.546584][ T6582] el0_svc+0x78/0x1d0 [ 202.547071][ T6582] el0t_64_sync_handler+0xcc/0xe4 [ 202.547716][ T6582] el0t_64_sync+0x1a0/0x1a4 [ 202.548548][ T6582] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.550261][ T6582] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 202.756225][ T6585] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 202.757352][ T6585] CPU: 1 PID: 6585 Comm: syz.1.561 Not tainted syzkaller #0 [ 202.758452][ T6585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 202.759820][ T6585] Call trace: [ 202.760303][ T6585] dump_backtrace+0x0/0x458 [ 202.760892][ T6585] show_stack+0x2c/0x3c [ 202.761478][ T6585] __dump_stack+0x30/0x40 [ 202.762093][ T6585] dump_stack_lvl+0xf4/0x15c [ 202.762812][ T6585] dump_stack+0x1c/0x5c [ 202.763418][ T6585] sysfs_create_dir_ns+0x244/0x264 [ 202.764125][ T6585] kobject_add_internal+0x594/0xc2c [ 202.764882][ T6585] kobject_init_and_add+0x128/0x194 [ 202.765620][ T6585] gfs2_sys_fs_add+0x208/0x428 [ 202.766385][ T6585] gfs2_fill_super+0xe20/0x1a9c [ 202.767053][ T6585] get_tree_bdev+0x35c/0x54c [ 202.767716][ T6585] gfs2_get_tree+0x58/0x1b8 [ 202.768327][ T6585] vfs_get_tree+0x90/0x278 [ 202.768974][ T6585] do_new_mount+0x228/0x804 [ 202.769562][ T6585] path_mount+0x57c/0xfe8 [ 202.770156][ T6585] __arm64_sys_mount+0x488/0x5f8 [ 202.770898][ T6585] invoke_syscall+0x98/0x28c [ 202.771617][ T6585] el0_svc_common+0x13c/0x258 [ 202.772276][ T6585] do_el0_svc+0x5c/0x140 [ 202.772897][ T6585] el0_svc+0x78/0x1d0 [ 202.773527][ T6585] el0t_64_sync_handler+0xcc/0xe4 [ 202.774285][ T6585] el0t_64_sync+0x1a0/0x1a4 [ 202.776151][ T6585] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.777904][ T6585] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 202.919285][ T6588] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 202.920410][ T6588] CPU: 0 PID: 6588 Comm: syz.1.562 Not tainted syzkaller #0 [ 202.921410][ T6588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 202.922829][ T6588] Call trace: [ 202.923228][ T6588] dump_backtrace+0x0/0x458 [ 202.923861][ T6588] show_stack+0x2c/0x3c [ 202.924412][ T6588] __dump_stack+0x30/0x40 [ 202.924941][ T6588] dump_stack_lvl+0xf4/0x15c [ 202.925520][ T6588] dump_stack+0x1c/0x5c [ 202.926146][ T6588] sysfs_create_dir_ns+0x244/0x264 [ 202.926870][ T6588] kobject_add_internal+0x594/0xc2c [ 202.927650][ T6588] kobject_init_and_add+0x128/0x194 [ 202.928370][ T6588] gfs2_sys_fs_add+0x208/0x428 [ 202.929031][ T6588] gfs2_fill_super+0xe20/0x1a9c [ 202.929673][ T6588] get_tree_bdev+0x35c/0x54c [ 202.930337][ T6588] gfs2_get_tree+0x58/0x1b8 [ 202.930943][ T6588] vfs_get_tree+0x90/0x278 [ 202.931593][ T6588] do_new_mount+0x228/0x804 [ 202.932193][ T6588] path_mount+0x57c/0xfe8 [ 202.932832][ T6588] __arm64_sys_mount+0x488/0x5f8 [ 202.933501][ T6588] invoke_syscall+0x98/0x28c [ 202.934143][ T6588] el0_svc_common+0x13c/0x258 [ 202.934828][ T6588] do_el0_svc+0x5c/0x140 [ 202.935401][ T6588] el0_svc+0x78/0x1d0 [ 202.935979][ T6588] el0t_64_sync_handler+0xcc/0xe4 [ 202.936634][ T6588] el0t_64_sync+0x1a0/0x1a4 [ 202.939875][ T6588] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.941628][ T6588] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 203.111049][ T6591] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 203.112113][ T6591] CPU: 1 PID: 6591 Comm: syz.1.563 Not tainted syzkaller #0 [ 203.113079][ T6591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 203.114522][ T6591] Call trace: [ 203.115110][ T6591] dump_backtrace+0x0/0x458 [ 203.115786][ T6591] show_stack+0x2c/0x3c [ 203.116329][ T6591] __dump_stack+0x30/0x40 [ 203.116952][ T6591] dump_stack_lvl+0xf4/0x15c [ 203.117580][ T6591] dump_stack+0x1c/0x5c [ 203.118140][ T6591] sysfs_create_dir_ns+0x244/0x264 [ 203.118800][ T6591] kobject_add_internal+0x594/0xc2c [ 203.119536][ T6591] kobject_init_and_add+0x128/0x194 [ 203.120353][ T6591] gfs2_sys_fs_add+0x208/0x428 [ 203.120968][ T6591] gfs2_fill_super+0xe20/0x1a9c [ 203.121739][ T6591] get_tree_bdev+0x35c/0x54c [ 203.122349][ T6591] gfs2_get_tree+0x58/0x1b8 [ 203.122982][ T6591] vfs_get_tree+0x90/0x278 [ 203.123616][ T6591] do_new_mount+0x228/0x804 [ 203.124270][ T6591] path_mount+0x57c/0xfe8 [ 203.124905][ T6591] __arm64_sys_mount+0x488/0x5f8 [ 203.125555][ T6591] invoke_syscall+0x98/0x28c [ 203.126206][ T6591] el0_svc_common+0x13c/0x258 [ 203.126818][ T6591] do_el0_svc+0x5c/0x140 [ 203.127427][ T6591] el0_svc+0x78/0x1d0 [ 203.128011][ T6591] el0t_64_sync_handler+0xcc/0xe4 [ 203.128830][ T6591] el0t_64_sync+0x1a0/0x1a4 [ 203.129690][ T6591] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.131477][ T6591] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 203.366161][ T6594] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 203.367307][ T6594] CPU: 0 PID: 6594 Comm: syz.1.564 Not tainted syzkaller #0 [ 203.368266][ T6594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 203.369531][ T6594] Call trace: [ 203.370012][ T6594] dump_backtrace+0x0/0x458 [ 203.370673][ T6594] show_stack+0x2c/0x3c [ 203.371188][ T6594] __dump_stack+0x30/0x40 [ 203.371738][ T6594] dump_stack_lvl+0xf4/0x15c [ 203.372421][ T6594] dump_stack+0x1c/0x5c [ 203.372989][ T6594] sysfs_create_dir_ns+0x244/0x264 [ 203.373683][ T6594] kobject_add_internal+0x594/0xc2c [ 203.374341][ T6594] kobject_init_and_add+0x128/0x194 [ 203.375033][ T6594] gfs2_sys_fs_add+0x208/0x428 [ 203.375755][ T6594] gfs2_fill_super+0xe20/0x1a9c [ 203.376450][ T6594] get_tree_bdev+0x35c/0x54c [ 203.377063][ T6594] gfs2_get_tree+0x58/0x1b8 [ 203.377667][ T6594] vfs_get_tree+0x90/0x278 [ 203.378241][ T6594] do_new_mount+0x228/0x804 [ 203.378830][ T6594] path_mount+0x57c/0xfe8 [ 203.379362][ T6594] __arm64_sys_mount+0x488/0x5f8 [ 203.380016][ T6594] invoke_syscall+0x98/0x28c [ 203.380619][ T6594] el0_svc_common+0x13c/0x258 [ 203.381293][ T6594] do_el0_svc+0x5c/0x140 [ 203.381845][ T6594] el0_svc+0x78/0x1d0 [ 203.382340][ T6594] el0t_64_sync_handler+0xcc/0xe4 [ 203.383045][ T6594] el0t_64_sync+0x1a0/0x1a4 [ 203.385265][ T6594] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.387187][ T6594] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:23 executed programs: 551 [ 203.566221][ T6597] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 203.568856][ T6597] CPU: 1 PID: 6597 Comm: syz.1.565 Not tainted syzkaller #0 [ 203.569875][ T6597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 203.571242][ T6597] Call trace: [ 203.571672][ T6597] dump_backtrace+0x0/0x458 [ 203.572286][ T6597] show_stack+0x2c/0x3c [ 203.572854][ T6597] __dump_stack+0x30/0x40 [ 203.573372][ T6597] dump_stack_lvl+0xf4/0x15c [ 203.573999][ T6597] dump_stack+0x1c/0x5c [ 203.574570][ T6597] sysfs_create_dir_ns+0x244/0x264 [ 203.575263][ T6597] kobject_add_internal+0x594/0xc2c [ 203.575932][ T6597] kobject_init_and_add+0x128/0x194 [ 203.576747][ T6597] gfs2_sys_fs_add+0x208/0x428 [ 203.577368][ T6597] gfs2_fill_super+0xe20/0x1a9c [ 203.578041][ T6597] get_tree_bdev+0x35c/0x54c [ 203.578770][ T6597] gfs2_get_tree+0x58/0x1b8 [ 203.579396][ T6597] vfs_get_tree+0x90/0x278 [ 203.580047][ T6597] do_new_mount+0x228/0x804 [ 203.580692][ T6597] path_mount+0x57c/0xfe8 [ 203.581222][ T6597] __arm64_sys_mount+0x488/0x5f8 [ 203.581915][ T6597] invoke_syscall+0x98/0x28c [ 203.582520][ T6597] el0_svc_common+0x13c/0x258 [ 203.583138][ T6597] do_el0_svc+0x5c/0x140 [ 203.583719][ T6597] el0_svc+0x78/0x1d0 [ 203.584268][ T6597] el0t_64_sync_handler+0xcc/0xe4 [ 203.584913][ T6597] el0t_64_sync+0x1a0/0x1a4 [ 203.586643][ T6597] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.588520][ T6597] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 203.758573][ T6600] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 203.759623][ T6600] CPU: 0 PID: 6600 Comm: syz.1.566 Not tainted syzkaller #0 [ 203.760671][ T6600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 203.762028][ T6600] Call trace: [ 203.762396][ T6600] dump_backtrace+0x0/0x458 [ 203.762998][ T6600] show_stack+0x2c/0x3c [ 203.763535][ T6600] __dump_stack+0x30/0x40 [ 203.764067][ T6600] dump_stack_lvl+0xf4/0x15c [ 203.764631][ T6600] dump_stack+0x1c/0x5c [ 203.765138][ T6600] sysfs_create_dir_ns+0x244/0x264 [ 203.765797][ T6600] kobject_add_internal+0x594/0xc2c [ 203.766507][ T6600] kobject_init_and_add+0x128/0x194 [ 203.767231][ T6600] gfs2_sys_fs_add+0x208/0x428 [ 203.767854][ T6600] gfs2_fill_super+0xe20/0x1a9c [ 203.768505][ T6600] get_tree_bdev+0x35c/0x54c [ 203.769171][ T6600] gfs2_get_tree+0x58/0x1b8 [ 203.769767][ T6600] vfs_get_tree+0x90/0x278 [ 203.770384][ T6600] do_new_mount+0x228/0x804 [ 203.770975][ T6600] path_mount+0x57c/0xfe8 [ 203.771480][ T6600] __arm64_sys_mount+0x488/0x5f8 [ 203.772083][ T6600] invoke_syscall+0x98/0x28c [ 203.772740][ T6600] el0_svc_common+0x13c/0x258 [ 203.773424][ T6600] do_el0_svc+0x5c/0x140 [ 203.773994][ T6600] el0_svc+0x78/0x1d0 [ 203.774589][ T6600] el0t_64_sync_handler+0xcc/0xe4 [ 203.775256][ T6600] el0t_64_sync+0x1a0/0x1a4 [ 203.776183][ T6600] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.777953][ T6600] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 203.977988][ T6603] set_capacity_and_notify: 14 callbacks suppressed [ 203.977997][ T6603] loop1: detected capacity change from 0 to 32768 [ 204.041477][ T6603] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.042615][ T6603] CPU: 0 PID: 6603 Comm: syz.1.567 Not tainted syzkaller #0 [ 204.043596][ T6603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 204.044825][ T6603] Call trace: [ 204.045261][ T6603] dump_backtrace+0x0/0x458 [ 204.045903][ T6603] show_stack+0x2c/0x3c [ 204.046460][ T6603] __dump_stack+0x30/0x40 [ 204.047004][ T6603] dump_stack_lvl+0xf4/0x15c [ 204.047623][ T6603] dump_stack+0x1c/0x5c [ 204.048186][ T6603] sysfs_create_dir_ns+0x244/0x264 [ 204.048961][ T6603] kobject_add_internal+0x594/0xc2c [ 204.049661][ T6603] kobject_init_and_add+0x128/0x194 [ 204.050295][ T6603] gfs2_sys_fs_add+0x208/0x428 [ 204.051014][ T6603] gfs2_fill_super+0xe20/0x1a9c [ 204.051682][ T6603] get_tree_bdev+0x35c/0x54c [ 204.052344][ T6603] gfs2_get_tree+0x58/0x1b8 [ 204.052948][ T6603] vfs_get_tree+0x90/0x278 [ 204.053556][ T6603] do_new_mount+0x228/0x804 [ 204.054105][ T6603] path_mount+0x57c/0xfe8 [ 204.054715][ T6603] __arm64_sys_mount+0x488/0x5f8 [ 204.055414][ T6603] invoke_syscall+0x98/0x28c [ 204.056050][ T6603] el0_svc_common+0x13c/0x258 [ 204.056677][ T6603] do_el0_svc+0x5c/0x140 [ 204.057356][ T6603] el0_svc+0x78/0x1d0 [ 204.057893][ T6603] el0t_64_sync_handler+0xcc/0xe4 [ 204.058581][ T6603] el0t_64_sync+0x1a0/0x1a4 [ 204.059282][ T6603] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.062141][ T6603] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 204.203691][ T6606] loop1: detected capacity change from 0 to 32768 [ 204.285439][ T6606] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.288755][ T6606] CPU: 1 PID: 6606 Comm: syz.1.568 Not tainted syzkaller #0 [ 204.289752][ T6606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 204.291092][ T6606] Call trace: [ 204.291497][ T6606] dump_backtrace+0x0/0x458 [ 204.292125][ T6606] show_stack+0x2c/0x3c [ 204.292729][ T6606] __dump_stack+0x30/0x40 [ 204.293366][ T6606] dump_stack_lvl+0xf4/0x15c [ 204.293976][ T6606] dump_stack+0x1c/0x5c [ 204.294485][ T6606] sysfs_create_dir_ns+0x244/0x264 [ 204.295189][ T6606] kobject_add_internal+0x594/0xc2c [ 204.295830][ T6606] kobject_init_and_add+0x128/0x194 [ 204.296539][ T6606] gfs2_sys_fs_add+0x208/0x428 [ 204.297189][ T6606] gfs2_fill_super+0xe20/0x1a9c [ 204.297871][ T6606] get_tree_bdev+0x35c/0x54c [ 204.298511][ T6606] gfs2_get_tree+0x58/0x1b8 [ 204.299077][ T6606] vfs_get_tree+0x90/0x278 [ 204.299708][ T6606] do_new_mount+0x228/0x804 [ 204.300315][ T6606] path_mount+0x57c/0xfe8 [ 204.300919][ T6606] __arm64_sys_mount+0x488/0x5f8 [ 204.301515][ T6606] invoke_syscall+0x98/0x28c [ 204.302157][ T6606] el0_svc_common+0x13c/0x258 [ 204.302735][ T6606] do_el0_svc+0x5c/0x140 [ 204.303376][ T6606] el0_svc+0x78/0x1d0 [ 204.303892][ T6606] el0t_64_sync_handler+0xcc/0xe4 [ 204.304545][ T6606] el0t_64_sync+0x1a0/0x1a4 [ 204.306854][ T6606] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.308710][ T6606] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 204.443838][ T6609] loop1: detected capacity change from 0 to 32768 [ 204.476192][ T6609] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.477254][ T6609] CPU: 1 PID: 6609 Comm: syz.1.569 Not tainted syzkaller #0 [ 204.478214][ T6609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 204.479607][ T6609] Call trace: [ 204.480047][ T6609] dump_backtrace+0x0/0x458 [ 204.480690][ T6609] show_stack+0x2c/0x3c [ 204.481199][ T6609] __dump_stack+0x30/0x40 [ 204.481805][ T6609] dump_stack_lvl+0xf4/0x15c [ 204.482445][ T6609] dump_stack+0x1c/0x5c [ 204.482949][ T6609] sysfs_create_dir_ns+0x244/0x264 [ 204.483620][ T6609] kobject_add_internal+0x594/0xc2c [ 204.484343][ T6609] kobject_init_and_add+0x128/0x194 [ 204.484955][ T6609] gfs2_sys_fs_add+0x208/0x428 [ 204.485541][ T6609] gfs2_fill_super+0xe20/0x1a9c [ 204.486248][ T6609] get_tree_bdev+0x35c/0x54c [ 204.486955][ T6609] gfs2_get_tree+0x58/0x1b8 [ 204.487545][ T6609] vfs_get_tree+0x90/0x278 [ 204.488211][ T6609] do_new_mount+0x228/0x804 [ 204.488771][ T6609] path_mount+0x57c/0xfe8 [ 204.489378][ T6609] __arm64_sys_mount+0x488/0x5f8 [ 204.490019][ T6609] invoke_syscall+0x98/0x28c [ 204.490637][ T6609] el0_svc_common+0x13c/0x258 [ 204.491240][ T6609] do_el0_svc+0x5c/0x140 [ 204.491883][ T6609] el0_svc+0x78/0x1d0 [ 204.492380][ T6609] el0t_64_sync_handler+0xcc/0xe4 [ 204.493098][ T6609] el0t_64_sync+0x1a0/0x1a4 [ 204.493849][ T6609] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.495809][ T6609] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 204.631960][ T6612] loop1: detected capacity change from 0 to 32768 [ 204.666214][ T6612] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.667273][ T6612] CPU: 1 PID: 6612 Comm: syz.1.570 Not tainted syzkaller #0 [ 204.668263][ T6612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 204.669542][ T6612] Call trace: [ 204.669952][ T6612] dump_backtrace+0x0/0x458 [ 204.670628][ T6612] show_stack+0x2c/0x3c [ 204.671249][ T6612] __dump_stack+0x30/0x40 [ 204.671881][ T6612] dump_stack_lvl+0xf4/0x15c [ 204.672551][ T6612] dump_stack+0x1c/0x5c [ 204.673128][ T6612] sysfs_create_dir_ns+0x244/0x264 [ 204.673722][ T6612] kobject_add_internal+0x594/0xc2c [ 204.674463][ T6612] kobject_init_and_add+0x128/0x194 [ 204.675134][ T6612] gfs2_sys_fs_add+0x208/0x428 [ 204.675824][ T6612] gfs2_fill_super+0xe20/0x1a9c [ 204.676541][ T6612] get_tree_bdev+0x35c/0x54c [ 204.677190][ T6612] gfs2_get_tree+0x58/0x1b8 [ 204.677825][ T6612] vfs_get_tree+0x90/0x278 [ 204.678439][ T6612] do_new_mount+0x228/0x804 [ 204.679055][ T6612] path_mount+0x57c/0xfe8 [ 204.679627][ T6612] __arm64_sys_mount+0x488/0x5f8 [ 204.680272][ T6612] invoke_syscall+0x98/0x28c [ 204.680832][ T6612] el0_svc_common+0x13c/0x258 [ 204.681549][ T6612] do_el0_svc+0x5c/0x140 [ 204.682089][ T6612] el0_svc+0x78/0x1d0 [ 204.682629][ T6612] el0t_64_sync_handler+0xcc/0xe4 [ 204.683316][ T6612] el0t_64_sync+0x1a0/0x1a4 [ 204.684186][ T6612] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.686385][ T6612] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 204.820415][ T6615] loop1: detected capacity change from 0 to 32768 [ 204.866694][ T6615] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.867735][ T6615] CPU: 0 PID: 6615 Comm: syz.1.571 Not tainted syzkaller #0 [ 204.868831][ T6615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 204.870248][ T6615] Call trace: [ 204.870652][ T6615] dump_backtrace+0x0/0x458 [ 204.871281][ T6615] show_stack+0x2c/0x3c [ 204.871858][ T6615] __dump_stack+0x30/0x40 [ 204.872465][ T6615] dump_stack_lvl+0xf4/0x15c [ 204.873111][ T6615] dump_stack+0x1c/0x5c [ 204.873625][ T6615] sysfs_create_dir_ns+0x244/0x264 [ 204.874379][ T6615] kobject_add_internal+0x594/0xc2c [ 204.875122][ T6615] kobject_init_and_add+0x128/0x194 [ 204.875848][ T6615] gfs2_sys_fs_add+0x208/0x428 [ 204.876489][ T6615] gfs2_fill_super+0xe20/0x1a9c [ 204.877223][ T6615] get_tree_bdev+0x35c/0x54c [ 204.877882][ T6615] gfs2_get_tree+0x58/0x1b8 [ 204.878525][ T6615] vfs_get_tree+0x90/0x278 [ 204.879159][ T6615] do_new_mount+0x228/0x804 [ 204.879770][ T6615] path_mount+0x57c/0xfe8 [ 204.880369][ T6615] __arm64_sys_mount+0x488/0x5f8 [ 204.881033][ T6615] invoke_syscall+0x98/0x28c [ 204.881594][ T6615] el0_svc_common+0x13c/0x258 [ 204.882190][ T6615] do_el0_svc+0x5c/0x140 [ 204.882812][ T6615] el0_svc+0x78/0x1d0 [ 204.883382][ T6615] el0t_64_sync_handler+0xcc/0xe4 [ 204.884030][ T6615] el0t_64_sync+0x1a0/0x1a4 [ 204.886174][ T6615] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.887980][ T6615] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.029830][ T6618] loop1: detected capacity change from 0 to 32768 [ 205.036932][ T6618] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.037889][ T6618] CPU: 1 PID: 6618 Comm: syz.1.572 Not tainted syzkaller #0 [ 205.038883][ T6618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 205.040308][ T6618] Call trace: [ 205.040746][ T6618] dump_backtrace+0x0/0x458 [ 205.041472][ T6618] show_stack+0x2c/0x3c [ 205.042051][ T6618] __dump_stack+0x30/0x40 [ 205.042660][ T6618] dump_stack_lvl+0xf4/0x15c [ 205.043308][ T6618] dump_stack+0x1c/0x5c [ 205.043899][ T6618] sysfs_create_dir_ns+0x244/0x264 [ 205.044617][ T6618] kobject_add_internal+0x594/0xc2c [ 205.045365][ T6618] kobject_init_and_add+0x128/0x194 [ 205.046070][ T6618] gfs2_sys_fs_add+0x208/0x428 [ 205.046738][ T6618] gfs2_fill_super+0xe20/0x1a9c [ 205.047356][ T6618] get_tree_bdev+0x35c/0x54c [ 205.048114][ T6618] gfs2_get_tree+0x58/0x1b8 [ 205.048744][ T6618] vfs_get_tree+0x90/0x278 [ 205.049386][ T6618] do_new_mount+0x228/0x804 [ 205.050042][ T6618] path_mount+0x57c/0xfe8 [ 205.050603][ T6618] __arm64_sys_mount+0x488/0x5f8 [ 205.051386][ T6618] invoke_syscall+0x98/0x28c [ 205.052101][ T6618] el0_svc_common+0x13c/0x258 [ 205.052777][ T6618] do_el0_svc+0x5c/0x140 [ 205.053358][ T6618] el0_svc+0x78/0x1d0 [ 205.053916][ T6618] el0t_64_sync_handler+0xcc/0xe4 [ 205.054603][ T6618] el0t_64_sync+0x1a0/0x1a4 [ 205.056988][ T6618] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.058687][ T6618] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.195109][ T6621] loop1: detected capacity change from 0 to 32768 [ 205.236373][ T6621] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.237497][ T6621] CPU: 0 PID: 6621 Comm: syz.1.573 Not tainted syzkaller #0 [ 205.238456][ T6621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 205.239846][ T6621] Call trace: [ 205.240308][ T6621] dump_backtrace+0x0/0x458 [ 205.240934][ T6621] show_stack+0x2c/0x3c [ 205.241498][ T6621] __dump_stack+0x30/0x40 [ 205.242185][ T6621] dump_stack_lvl+0xf4/0x15c [ 205.242784][ T6621] dump_stack+0x1c/0x5c [ 205.243302][ T6621] sysfs_create_dir_ns+0x244/0x264 [ 205.243930][ T6621] kobject_add_internal+0x594/0xc2c [ 205.244599][ T6621] kobject_init_and_add+0x128/0x194 [ 205.245194][ T6621] gfs2_sys_fs_add+0x208/0x428 [ 205.245841][ T6621] gfs2_fill_super+0xe20/0x1a9c [ 205.246575][ T6621] get_tree_bdev+0x35c/0x54c [ 205.247187][ T6621] gfs2_get_tree+0x58/0x1b8 [ 205.247755][ T6621] vfs_get_tree+0x90/0x278 [ 205.248328][ T6621] do_new_mount+0x228/0x804 [ 205.248884][ T6621] path_mount+0x57c/0xfe8 [ 205.249534][ T6621] __arm64_sys_mount+0x488/0x5f8 [ 205.250268][ T6621] invoke_syscall+0x98/0x28c [ 205.250860][ T6621] el0_svc_common+0x13c/0x258 [ 205.251532][ T6621] do_el0_svc+0x5c/0x140 [ 205.252115][ T6621] el0_svc+0x78/0x1d0 [ 205.252738][ T6621] el0t_64_sync_handler+0xcc/0xe4 [ 205.253410][ T6621] el0t_64_sync+0x1a0/0x1a4 [ 205.254966][ T6621] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.256904][ T6621] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.395054][ T6624] loop1: detected capacity change from 0 to 32768 [ 205.511444][ T6624] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.512474][ T6624] CPU: 1 PID: 6624 Comm: syz.1.574 Not tainted syzkaller #0 [ 205.513522][ T6624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 205.514959][ T6624] Call trace: [ 205.515392][ T6624] dump_backtrace+0x0/0x458 [ 205.516038][ T6624] show_stack+0x2c/0x3c [ 205.516627][ T6624] __dump_stack+0x30/0x40 [ 205.517279][ T6624] dump_stack_lvl+0xf4/0x15c [ 205.517983][ T6624] dump_stack+0x1c/0x5c [ 205.518512][ T6624] sysfs_create_dir_ns+0x244/0x264 [ 205.519255][ T6624] kobject_add_internal+0x594/0xc2c [ 205.519953][ T6624] kobject_init_and_add+0x128/0x194 [ 205.520664][ T6624] gfs2_sys_fs_add+0x208/0x428 [ 205.521371][ T6624] gfs2_fill_super+0xe20/0x1a9c [ 205.522077][ T6624] get_tree_bdev+0x35c/0x54c [ 205.522784][ T6624] gfs2_get_tree+0x58/0x1b8 [ 205.523367][ T6624] vfs_get_tree+0x90/0x278 [ 205.523977][ T6624] do_new_mount+0x228/0x804 [ 205.524599][ T6624] path_mount+0x57c/0xfe8 [ 205.525191][ T6624] __arm64_sys_mount+0x488/0x5f8 [ 205.525891][ T6624] invoke_syscall+0x98/0x28c [ 205.526608][ T6624] el0_svc_common+0x13c/0x258 [ 205.527240][ T6624] do_el0_svc+0x5c/0x140 [ 205.527820][ T6624] el0_svc+0x78/0x1d0 [ 205.528373][ T6624] el0t_64_sync_handler+0xcc/0xe4 [ 205.529036][ T6624] el0t_64_sync+0x1a0/0x1a4 [ 205.531244][ T6624] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.533283][ T6624] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.683975][ T6627] loop1: detected capacity change from 0 to 32768 [ 205.726294][ T6627] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.727370][ T6627] CPU: 1 PID: 6627 Comm: syz.1.575 Not tainted syzkaller #0 [ 205.728456][ T6627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 205.729874][ T6627] Call trace: [ 205.730324][ T6627] dump_backtrace+0x0/0x458 [ 205.730965][ T6627] show_stack+0x2c/0x3c [ 205.731593][ T6627] __dump_stack+0x30/0x40 [ 205.732237][ T6627] dump_stack_lvl+0xf4/0x15c [ 205.732896][ T6627] dump_stack+0x1c/0x5c [ 205.733459][ T6627] sysfs_create_dir_ns+0x244/0x264 [ 205.734158][ T6627] kobject_add_internal+0x594/0xc2c [ 205.734849][ T6627] kobject_init_and_add+0x128/0x194 [ 205.735632][ T6627] gfs2_sys_fs_add+0x208/0x428 [ 205.736324][ T6627] gfs2_fill_super+0xe20/0x1a9c [ 205.737056][ T6627] get_tree_bdev+0x35c/0x54c [ 205.737684][ T6627] gfs2_get_tree+0x58/0x1b8 [ 205.738345][ T6627] vfs_get_tree+0x90/0x278 [ 205.738967][ T6627] do_new_mount+0x228/0x804 [ 205.739551][ T6627] path_mount+0x57c/0xfe8 [ 205.740197][ T6627] __arm64_sys_mount+0x488/0x5f8 [ 205.740869][ T6627] invoke_syscall+0x98/0x28c [ 205.741580][ T6627] el0_svc_common+0x13c/0x258 [ 205.742244][ T6627] do_el0_svc+0x5c/0x140 [ 205.742908][ T6627] el0_svc+0x78/0x1d0 [ 205.743416][ T6627] el0t_64_sync_handler+0xcc/0xe4 [ 205.744174][ T6627] el0t_64_sync+0x1a0/0x1a4 [ 205.746924][ T6627] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.748766][ T6627] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.931667][ T6630] loop1: detected capacity change from 0 to 32768 [ 205.970472][ T6630] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.971714][ T6630] CPU: 1 PID: 6630 Comm: syz.1.576 Not tainted syzkaller #0 [ 205.972827][ T6630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 205.974164][ T6630] Call trace: [ 205.974590][ T6630] dump_backtrace+0x0/0x458 [ 205.975205][ T6630] show_stack+0x2c/0x3c [ 205.975804][ T6630] __dump_stack+0x30/0x40 [ 205.976435][ T6630] dump_stack_lvl+0xf4/0x15c [ 205.977071][ T6630] dump_stack+0x1c/0x5c [ 205.977696][ T6630] sysfs_create_dir_ns+0x244/0x264 [ 205.978402][ T6630] kobject_add_internal+0x594/0xc2c [ 205.979197][ T6630] kobject_init_and_add+0x128/0x194 [ 205.980006][ T6630] gfs2_sys_fs_add+0x208/0x428 [ 205.980641][ T6630] gfs2_fill_super+0xe20/0x1a9c [ 205.981306][ T6630] get_tree_bdev+0x35c/0x54c [ 205.981938][ T6630] gfs2_get_tree+0x58/0x1b8 [ 205.982539][ T6630] vfs_get_tree+0x90/0x278 [ 205.983210][ T6630] do_new_mount+0x228/0x804 [ 205.983864][ T6630] path_mount+0x57c/0xfe8 [ 205.984425][ T6630] __arm64_sys_mount+0x488/0x5f8 [ 205.985103][ T6630] invoke_syscall+0x98/0x28c [ 205.985824][ T6630] el0_svc_common+0x13c/0x258 [ 205.986488][ T6630] do_el0_svc+0x5c/0x140 [ 205.987098][ T6630] el0_svc+0x78/0x1d0 [ 205.987636][ T6630] el0t_64_sync_handler+0xcc/0xe4 [ 205.988332][ T6630] el0t_64_sync+0x1a0/0x1a4 [ 205.990319][ T6630] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.992120][ T6630] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.186159][ T6633] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.187304][ T6633] CPU: 0 PID: 6633 Comm: syz.1.577 Not tainted syzkaller #0 [ 206.188207][ T6633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 206.189640][ T6633] Call trace: [ 206.190110][ T6633] dump_backtrace+0x0/0x458 [ 206.190665][ T6633] show_stack+0x2c/0x3c [ 206.191175][ T6633] __dump_stack+0x30/0x40 [ 206.191732][ T6633] dump_stack_lvl+0xf4/0x15c [ 206.192332][ T6633] dump_stack+0x1c/0x5c [ 206.192857][ T6633] sysfs_create_dir_ns+0x244/0x264 [ 206.193525][ T6633] kobject_add_internal+0x594/0xc2c [ 206.194194][ T6633] kobject_init_and_add+0x128/0x194 [ 206.194818][ T6633] gfs2_sys_fs_add+0x208/0x428 [ 206.195501][ T6633] gfs2_fill_super+0xe20/0x1a9c [ 206.196116][ T6633] get_tree_bdev+0x35c/0x54c [ 206.196753][ T6633] gfs2_get_tree+0x58/0x1b8 [ 206.197376][ T6633] vfs_get_tree+0x90/0x278 [ 206.197912][ T6633] do_new_mount+0x228/0x804 [ 206.198567][ T6633] path_mount+0x57c/0xfe8 [ 206.199090][ T6633] __arm64_sys_mount+0x488/0x5f8 [ 206.199760][ T6633] invoke_syscall+0x98/0x28c [ 206.200317][ T6633] el0_svc_common+0x13c/0x258 [ 206.200914][ T6633] do_el0_svc+0x5c/0x140 [ 206.201455][ T6633] el0_svc+0x78/0x1d0 [ 206.201981][ T6633] el0t_64_sync_handler+0xcc/0xe4 [ 206.202666][ T6633] el0t_64_sync+0x1a0/0x1a4 [ 206.203519][ T6633] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.205377][ T6633] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.376208][ T6636] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.377296][ T6636] CPU: 0 PID: 6636 Comm: syz.1.578 Not tainted syzkaller #0 [ 206.378276][ T6636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 206.379552][ T6636] Call trace: [ 206.380002][ T6636] dump_backtrace+0x0/0x458 [ 206.380635][ T6636] show_stack+0x2c/0x3c [ 206.381209][ T6636] __dump_stack+0x30/0x40 [ 206.381820][ T6636] dump_stack_lvl+0xf4/0x15c [ 206.382431][ T6636] dump_stack+0x1c/0x5c [ 206.383019][ T6636] sysfs_create_dir_ns+0x244/0x264 [ 206.383726][ T6636] kobject_add_internal+0x594/0xc2c [ 206.384429][ T6636] kobject_init_and_add+0x128/0x194 [ 206.385185][ T6636] gfs2_sys_fs_add+0x208/0x428 [ 206.385857][ T6636] gfs2_fill_super+0xe20/0x1a9c [ 206.386557][ T6636] get_tree_bdev+0x35c/0x54c [ 206.387241][ T6636] gfs2_get_tree+0x58/0x1b8 [ 206.387835][ T6636] vfs_get_tree+0x90/0x278 [ 206.388406][ T6636] do_new_mount+0x228/0x804 [ 206.389006][ T6636] path_mount+0x57c/0xfe8 [ 206.389565][ T6636] __arm64_sys_mount+0x488/0x5f8 [ 206.390201][ T6636] invoke_syscall+0x98/0x28c [ 206.390861][ T6636] el0_svc_common+0x13c/0x258 [ 206.391599][ T6636] do_el0_svc+0x5c/0x140 [ 206.392156][ T6636] el0_svc+0x78/0x1d0 [ 206.392687][ T6636] el0t_64_sync_handler+0xcc/0xe4 [ 206.393422][ T6636] el0t_64_sync+0x1a0/0x1a4 [ 206.394075][ T6636] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.396034][ T6636] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.538646][ T6639] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.539770][ T6639] CPU: 1 PID: 6639 Comm: syz.1.579 Not tainted syzkaller #0 [ 206.540803][ T6639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 206.542193][ T6639] Call trace: [ 206.542602][ T6639] dump_backtrace+0x0/0x458 [ 206.543213][ T6639] show_stack+0x2c/0x3c [ 206.543770][ T6639] __dump_stack+0x30/0x40 [ 206.544431][ T6639] dump_stack_lvl+0xf4/0x15c [ 206.545052][ T6639] dump_stack+0x1c/0x5c [ 206.545558][ T6639] sysfs_create_dir_ns+0x244/0x264 [ 206.546223][ T6639] kobject_add_internal+0x594/0xc2c [ 206.546943][ T6639] kobject_init_and_add+0x128/0x194 [ 206.547655][ T6639] gfs2_sys_fs_add+0x208/0x428 [ 206.548316][ T6639] gfs2_fill_super+0xe20/0x1a9c [ 206.548968][ T6639] get_tree_bdev+0x35c/0x54c [ 206.549551][ T6639] gfs2_get_tree+0x58/0x1b8 [ 206.550183][ T6639] vfs_get_tree+0x90/0x278 [ 206.550819][ T6639] do_new_mount+0x228/0x804 [ 206.551399][ T6639] path_mount+0x57c/0xfe8 [ 206.551958][ T6639] __arm64_sys_mount+0x488/0x5f8 [ 206.552588][ T6639] invoke_syscall+0x98/0x28c [ 206.553257][ T6639] el0_svc_common+0x13c/0x258 [ 206.553958][ T6639] do_el0_svc+0x5c/0x140 [ 206.554529][ T6639] el0_svc+0x78/0x1d0 [ 206.555060][ T6639] el0t_64_sync_handler+0xcc/0xe4 [ 206.555732][ T6639] el0t_64_sync+0x1a0/0x1a4 [ 206.560034][ T6639] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.561853][ T6639] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.796225][ T6642] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.798005][ T6642] CPU: 0 PID: 6642 Comm: syz.1.580 Not tainted syzkaller #0 [ 206.799048][ T6642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 206.800458][ T6642] Call trace: [ 206.800874][ T6642] dump_backtrace+0x0/0x458 [ 206.801529][ T6642] show_stack+0x2c/0x3c [ 206.802117][ T6642] __dump_stack+0x30/0x40 [ 206.802709][ T6642] dump_stack_lvl+0xf4/0x15c [ 206.803402][ T6642] dump_stack+0x1c/0x5c [ 206.804001][ T6642] sysfs_create_dir_ns+0x244/0x264 [ 206.804765][ T6642] kobject_add_internal+0x594/0xc2c [ 206.805475][ T6642] kobject_init_and_add+0x128/0x194 [ 206.806161][ T6642] gfs2_sys_fs_add+0x208/0x428 [ 206.806806][ T6642] gfs2_fill_super+0xe20/0x1a9c [ 206.807500][ T6642] get_tree_bdev+0x35c/0x54c [ 206.808161][ T6642] gfs2_get_tree+0x58/0x1b8 [ 206.808734][ T6642] vfs_get_tree+0x90/0x278 [ 206.809395][ T6642] do_new_mount+0x228/0x804 [ 206.809991][ T6642] path_mount+0x57c/0xfe8 [ 206.810580][ T6642] __arm64_sys_mount+0x488/0x5f8 [ 206.811266][ T6642] invoke_syscall+0x98/0x28c [ 206.811942][ T6642] el0_svc_common+0x13c/0x258 [ 206.812572][ T6642] do_el0_svc+0x5c/0x140 [ 206.813080][ T6642] el0_svc+0x78/0x1d0 [ 206.813594][ T6642] el0t_64_sync_handler+0xcc/0xe4 [ 206.814320][ T6642] el0t_64_sync+0x1a0/0x1a4 [ 206.815084][ T6642] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.816954][ T6642] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.996888][ T6645] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.998077][ T6645] CPU: 1 PID: 6645 Comm: syz.1.581 Not tainted syzkaller #0 [ 206.999035][ T6645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 207.000446][ T6645] Call trace: [ 207.000942][ T6645] dump_backtrace+0x0/0x458 [ 207.001539][ T6645] show_stack+0x2c/0x3c [ 207.002137][ T6645] __dump_stack+0x30/0x40 [ 207.002738][ T6645] dump_stack_lvl+0xf4/0x15c [ 207.003369][ T6645] dump_stack+0x1c/0x5c [ 207.003940][ T6645] sysfs_create_dir_ns+0x244/0x264 [ 207.004640][ T6645] kobject_add_internal+0x594/0xc2c [ 207.005321][ T6645] kobject_init_and_add+0x128/0x194 [ 207.006058][ T6645] gfs2_sys_fs_add+0x208/0x428 [ 207.006678][ T6645] gfs2_fill_super+0xe20/0x1a9c [ 207.007342][ T6645] get_tree_bdev+0x35c/0x54c [ 207.007964][ T6645] gfs2_get_tree+0x58/0x1b8 [ 207.008623][ T6645] vfs_get_tree+0x90/0x278 [ 207.009225][ T6645] do_new_mount+0x228/0x804 [ 207.009821][ T6645] path_mount+0x57c/0xfe8 [ 207.010385][ T6645] __arm64_sys_mount+0x488/0x5f8 [ 207.011025][ T6645] invoke_syscall+0x98/0x28c [ 207.011671][ T6645] el0_svc_common+0x13c/0x258 [ 207.012346][ T6645] do_el0_svc+0x5c/0x140 [ 207.012933][ T6645] el0_svc+0x78/0x1d0 [ 207.013494][ T6645] el0t_64_sync_handler+0xcc/0xe4 [ 207.014208][ T6645] el0t_64_sync+0x1a0/0x1a4 [ 207.016555][ T6645] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.018366][ T6645] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.201635][ T6648] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.202721][ T6648] CPU: 0 PID: 6648 Comm: syz.1.582 Not tainted syzkaller #0 [ 207.203674][ T6648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 207.205033][ T6648] Call trace: [ 207.205501][ T6648] dump_backtrace+0x0/0x458 [ 207.206146][ T6648] show_stack+0x2c/0x3c [ 207.206741][ T6648] __dump_stack+0x30/0x40 [ 207.207297][ T6648] dump_stack_lvl+0xf4/0x15c [ 207.207885][ T6648] dump_stack+0x1c/0x5c [ 207.208431][ T6648] sysfs_create_dir_ns+0x244/0x264 [ 207.209128][ T6648] kobject_add_internal+0x594/0xc2c [ 207.209896][ T6648] kobject_init_and_add+0x128/0x194 [ 207.210589][ T6648] gfs2_sys_fs_add+0x208/0x428 [ 207.211224][ T6648] gfs2_fill_super+0xe20/0x1a9c [ 207.211910][ T6648] get_tree_bdev+0x35c/0x54c [ 207.212558][ T6648] gfs2_get_tree+0x58/0x1b8 [ 207.213176][ T6648] vfs_get_tree+0x90/0x278 [ 207.213762][ T6648] do_new_mount+0x228/0x804 [ 207.214442][ T6648] path_mount+0x57c/0xfe8 [ 207.215031][ T6648] __arm64_sys_mount+0x488/0x5f8 [ 207.215665][ T6648] invoke_syscall+0x98/0x28c [ 207.216298][ T6648] el0_svc_common+0x13c/0x258 [ 207.216991][ T6648] do_el0_svc+0x5c/0x140 [ 207.217503][ T6648] el0_svc+0x78/0x1d0 [ 207.218036][ T6648] el0t_64_sync_handler+0xcc/0xe4 [ 207.218734][ T6648] el0t_64_sync+0x1a0/0x1a4 [ 207.219456][ T6648] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.221179][ T6648] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.362672][ T6651] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.363816][ T6651] CPU: 0 PID: 6651 Comm: syz.1.583 Not tainted syzkaller #0 [ 207.364858][ T6651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 207.366188][ T6651] Call trace: [ 207.366601][ T6651] dump_backtrace+0x0/0x458 [ 207.367190][ T6651] show_stack+0x2c/0x3c [ 207.367749][ T6651] __dump_stack+0x30/0x40 [ 207.368312][ T6651] dump_stack_lvl+0xf4/0x15c [ 207.368934][ T6651] dump_stack+0x1c/0x5c [ 207.369432][ T6651] sysfs_create_dir_ns+0x244/0x264 [ 207.370049][ T6651] kobject_add_internal+0x594/0xc2c [ 207.370726][ T6651] kobject_init_and_add+0x128/0x194 [ 207.371410][ T6651] gfs2_sys_fs_add+0x208/0x428 [ 207.372075][ T6651] gfs2_fill_super+0xe20/0x1a9c [ 207.372816][ T6651] get_tree_bdev+0x35c/0x54c [ 207.373464][ T6651] gfs2_get_tree+0x58/0x1b8 [ 207.374041][ T6651] vfs_get_tree+0x90/0x278 [ 207.374630][ T6651] do_new_mount+0x228/0x804 [ 207.375253][ T6651] path_mount+0x57c/0xfe8 [ 207.375812][ T6651] __arm64_sys_mount+0x488/0x5f8 [ 207.376467][ T6651] invoke_syscall+0x98/0x28c [ 207.377087][ T6651] el0_svc_common+0x13c/0x258 [ 207.377685][ T6651] do_el0_svc+0x5c/0x140 [ 207.378255][ T6651] el0_svc+0x78/0x1d0 [ 207.378776][ T6651] el0t_64_sync_handler+0xcc/0xe4 [ 207.379471][ T6651] el0t_64_sync+0x1a0/0x1a4 [ 207.380496][ T6651] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.382276][ T6651] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.523668][ T6654] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.524718][ T6654] CPU: 0 PID: 6654 Comm: syz.1.584 Not tainted syzkaller #0 [ 207.525679][ T6654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 207.527072][ T6654] Call trace: [ 207.527542][ T6654] dump_backtrace+0x0/0x458 [ 207.528184][ T6654] show_stack+0x2c/0x3c [ 207.528778][ T6654] __dump_stack+0x30/0x40 [ 207.529397][ T6654] dump_stack_lvl+0xf4/0x15c [ 207.530013][ T6654] dump_stack+0x1c/0x5c [ 207.530589][ T6654] sysfs_create_dir_ns+0x244/0x264 [ 207.531341][ T6654] kobject_add_internal+0x594/0xc2c [ 207.532075][ T6654] kobject_init_and_add+0x128/0x194 [ 207.532758][ T6654] gfs2_sys_fs_add+0x208/0x428 [ 207.533507][ T6654] gfs2_fill_super+0xe20/0x1a9c [ 207.534178][ T6654] get_tree_bdev+0x35c/0x54c [ 207.534768][ T6654] gfs2_get_tree+0x58/0x1b8 [ 207.535429][ T6654] vfs_get_tree+0x90/0x278 [ 207.536036][ T6654] do_new_mount+0x228/0x804 [ 207.536685][ T6654] path_mount+0x57c/0xfe8 [ 207.537272][ T6654] __arm64_sys_mount+0x488/0x5f8 [ 207.537999][ T6654] invoke_syscall+0x98/0x28c [ 207.538623][ T6654] el0_svc_common+0x13c/0x258 [ 207.539274][ T6654] do_el0_svc+0x5c/0x140 [ 207.539894][ T6654] el0_svc+0x78/0x1d0 [ 207.540378][ T6654] el0t_64_sync_handler+0xcc/0xe4 [ 207.541048][ T6654] el0t_64_sync+0x1a0/0x1a4 [ 207.541830][ T6654] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.543619][ T6654] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.801529][ T6657] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.802678][ T6657] CPU: 1 PID: 6657 Comm: syz.1.585 Not tainted syzkaller #0 [ 207.803650][ T6657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 207.804973][ T6657] Call trace: [ 207.805407][ T6657] dump_backtrace+0x0/0x458 [ 207.806049][ T6657] show_stack+0x2c/0x3c [ 207.806633][ T6657] __dump_stack+0x30/0x40 [ 207.807262][ T6657] dump_stack_lvl+0xf4/0x15c [ 207.808009][ T6657] dump_stack+0x1c/0x5c [ 207.808590][ T6657] sysfs_create_dir_ns+0x244/0x264 [ 207.809388][ T6657] kobject_add_internal+0x594/0xc2c [ 207.810122][ T6657] kobject_init_and_add+0x128/0x194 [ 207.810836][ T6657] gfs2_sys_fs_add+0x208/0x428 [ 207.811460][ T6657] gfs2_fill_super+0xe20/0x1a9c [ 207.812130][ T6657] get_tree_bdev+0x35c/0x54c [ 207.812839][ T6657] gfs2_get_tree+0x58/0x1b8 [ 207.813456][ T6657] vfs_get_tree+0x90/0x278 [ 207.814111][ T6657] do_new_mount+0x228/0x804 [ 207.814712][ T6657] path_mount+0x57c/0xfe8 [ 207.815236][ T6657] __arm64_sys_mount+0x488/0x5f8 [ 207.815927][ T6657] invoke_syscall+0x98/0x28c [ 207.816632][ T6657] el0_svc_common+0x13c/0x258 [ 207.817257][ T6657] do_el0_svc+0x5c/0x140 [ 207.817898][ T6657] el0_svc+0x78/0x1d0 [ 207.818486][ T6657] el0t_64_sync_handler+0xcc/0xe4 [ 207.819171][ T6657] el0t_64_sync+0x1a0/0x1a4 [ 207.821290][ T6657] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.823206][ T6657] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.079806][ T6660] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.081020][ T6660] CPU: 0 PID: 6660 Comm: syz.1.586 Not tainted syzkaller #0 [ 208.082073][ T6660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 208.083390][ T6660] Call trace: [ 208.083823][ T6660] dump_backtrace+0x0/0x458 [ 208.084501][ T6660] show_stack+0x2c/0x3c [ 208.085107][ T6660] __dump_stack+0x30/0x40 [ 208.085638][ T6660] dump_stack_lvl+0xf4/0x15c [ 208.086283][ T6660] dump_stack+0x1c/0x5c [ 208.086924][ T6660] sysfs_create_dir_ns+0x244/0x264 [ 208.087646][ T6660] kobject_add_internal+0x594/0xc2c [ 208.088316][ T6660] kobject_init_and_add+0x128/0x194 [ 208.088997][ T6660] gfs2_sys_fs_add+0x208/0x428 [ 208.089615][ T6660] gfs2_fill_super+0xe20/0x1a9c [ 208.090336][ T6660] get_tree_bdev+0x35c/0x54c [ 208.090953][ T6660] gfs2_get_tree+0x58/0x1b8 [ 208.091612][ T6660] vfs_get_tree+0x90/0x278 [ 208.092241][ T6660] do_new_mount+0x228/0x804 [ 208.092897][ T6660] path_mount+0x57c/0xfe8 [ 208.093547][ T6660] __arm64_sys_mount+0x488/0x5f8 [ 208.094178][ T6660] invoke_syscall+0x98/0x28c [ 208.094803][ T6660] el0_svc_common+0x13c/0x258 [ 208.095411][ T6660] do_el0_svc+0x5c/0x140 [ 208.095993][ T6660] el0_svc+0x78/0x1d0 [ 208.096538][ T6660] el0t_64_sync_handler+0xcc/0xe4 [ 208.097220][ T6660] el0t_64_sync+0x1a0/0x1a4 [ 208.098312][ T6660] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.100089][ T6660] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.313809][ T6663] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.315076][ T6663] CPU: 0 PID: 6663 Comm: syz.1.587 Not tainted syzkaller #0 [ 208.316124][ T6663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 208.317447][ T6663] Call trace: [ 208.317878][ T6663] dump_backtrace+0x0/0x458 [ 208.318488][ T6663] show_stack+0x2c/0x3c [ 208.319054][ T6663] __dump_stack+0x30/0x40 [ 208.319610][ T6663] dump_stack_lvl+0xf4/0x15c [ 208.320187][ T6663] dump_stack+0x1c/0x5c [ 208.320724][ T6663] sysfs_create_dir_ns+0x244/0x264 [ 208.321498][ T6663] kobject_add_internal+0x594/0xc2c [ 208.322222][ T6663] kobject_init_and_add+0x128/0x194 [ 208.322932][ T6663] gfs2_sys_fs_add+0x208/0x428 [ 208.323598][ T6663] gfs2_fill_super+0xe20/0x1a9c [ 208.324236][ T6663] get_tree_bdev+0x35c/0x54c [ 208.324831][ T6663] gfs2_get_tree+0x58/0x1b8 [ 208.325477][ T6663] vfs_get_tree+0x90/0x278 [ 208.326125][ T6663] do_new_mount+0x228/0x804 [ 208.326834][ T6663] path_mount+0x57c/0xfe8 [ 208.327463][ T6663] __arm64_sys_mount+0x488/0x5f8 [ 208.328205][ T6663] invoke_syscall+0x98/0x28c [ 208.328856][ T6663] el0_svc_common+0x13c/0x258 [ 208.329538][ T6663] do_el0_svc+0x5c/0x140 [ 208.330184][ T6663] el0_svc+0x78/0x1d0 [ 208.330777][ T6663] el0t_64_sync_handler+0xcc/0xe4 [ 208.331519][ T6663] el0t_64_sync+0x1a0/0x1a4 [ 208.333782][ T6663] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.335374][ T6663] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.480174][ T6666] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.481268][ T6666] CPU: 1 PID: 6666 Comm: syz.1.588 Not tainted syzkaller #0 [ 208.482255][ T6666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 208.483615][ T6666] Call trace: [ 208.484018][ T6666] dump_backtrace+0x0/0x458 [ 208.484617][ T6666] show_stack+0x2c/0x3c [ 208.485141][ T6666] __dump_stack+0x30/0x40 [ 208.485726][ T6666] dump_stack_lvl+0xf4/0x15c [ 208.486399][ T6666] dump_stack+0x1c/0x5c [ 208.486980][ T6666] sysfs_create_dir_ns+0x244/0x264 [ 208.487643][ T6666] kobject_add_internal+0x594/0xc2c [ 208.488353][ T6666] kobject_init_and_add+0x128/0x194 [ 208.489039][ T6666] gfs2_sys_fs_add+0x208/0x428 [ 208.489728][ T6666] gfs2_fill_super+0xe20/0x1a9c [ 208.490358][ T6666] get_tree_bdev+0x35c/0x54c [ 208.490961][ T6666] gfs2_get_tree+0x58/0x1b8 [ 208.491544][ T6666] vfs_get_tree+0x90/0x278 [ 208.492137][ T6666] do_new_mount+0x228/0x804 [ 208.492736][ T6666] path_mount+0x57c/0xfe8 [ 208.493346][ T6666] __arm64_sys_mount+0x488/0x5f8 [ 208.494071][ T6666] invoke_syscall+0x98/0x28c [ 208.494737][ T6666] el0_svc_common+0x13c/0x258 [ 208.495380][ T6666] do_el0_svc+0x5c/0x140 [ 208.495988][ T6666] el0_svc+0x78/0x1d0 [ 208.496489][ T6666] el0t_64_sync_handler+0xcc/0xe4 [ 208.497199][ T6666] el0t_64_sync+0x1a0/0x1a4 [ 208.499794][ T6666] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.501516][ T6666] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:28 executed programs: 575 [ 208.681811][ T6669] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.682949][ T6669] CPU: 1 PID: 6669 Comm: syz.1.589 Not tainted syzkaller #0 [ 208.683938][ T6669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 208.685302][ T6669] Call trace: [ 208.685751][ T6669] dump_backtrace+0x0/0x458 [ 208.686414][ T6669] show_stack+0x2c/0x3c [ 208.687038][ T6669] __dump_stack+0x30/0x40 [ 208.687651][ T6669] dump_stack_lvl+0xf4/0x15c [ 208.688207][ T6669] dump_stack+0x1c/0x5c [ 208.688796][ T6669] sysfs_create_dir_ns+0x244/0x264 [ 208.689615][ T6669] kobject_add_internal+0x594/0xc2c [ 208.690403][ T6669] kobject_init_and_add+0x128/0x194 [ 208.691238][ T6669] gfs2_sys_fs_add+0x208/0x428 [ 208.692008][ T6669] gfs2_fill_super+0xe20/0x1a9c [ 208.692704][ T6669] get_tree_bdev+0x35c/0x54c [ 208.693324][ T6669] gfs2_get_tree+0x58/0x1b8 [ 208.693971][ T6669] vfs_get_tree+0x90/0x278 [ 208.694620][ T6669] do_new_mount+0x228/0x804 [ 208.695284][ T6669] path_mount+0x57c/0xfe8 [ 208.695881][ T6669] __arm64_sys_mount+0x488/0x5f8 [ 208.696661][ T6669] invoke_syscall+0x98/0x28c [ 208.697226][ T6669] el0_svc_common+0x13c/0x258 [ 208.697920][ T6669] do_el0_svc+0x5c/0x140 [ 208.698536][ T6669] el0_svc+0x78/0x1d0 [ 208.699032][ T6669] el0t_64_sync_handler+0xcc/0xe4 [ 208.699732][ T6669] el0t_64_sync+0x1a0/0x1a4 [ 208.701981][ T6669] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.703835][ T6669] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.850607][ T6672] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.851726][ T6672] CPU: 0 PID: 6672 Comm: syz.1.590 Not tainted syzkaller #0 [ 208.852684][ T6672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 208.854103][ T6672] Call trace: [ 208.854592][ T6672] dump_backtrace+0x0/0x458 [ 208.855190][ T6672] show_stack+0x2c/0x3c [ 208.855781][ T6672] __dump_stack+0x30/0x40 [ 208.856483][ T6672] dump_stack_lvl+0xf4/0x15c [ 208.857159][ T6672] dump_stack+0x1c/0x5c [ 208.857731][ T6672] sysfs_create_dir_ns+0x244/0x264 [ 208.858421][ T6672] kobject_add_internal+0x594/0xc2c [ 208.859120][ T6672] kobject_init_and_add+0x128/0x194 [ 208.859872][ T6672] gfs2_sys_fs_add+0x208/0x428 [ 208.860590][ T6672] gfs2_fill_super+0xe20/0x1a9c [ 208.861258][ T6672] get_tree_bdev+0x35c/0x54c [ 208.861900][ T6672] gfs2_get_tree+0x58/0x1b8 [ 208.862602][ T6672] vfs_get_tree+0x90/0x278 [ 208.863176][ T6672] do_new_mount+0x228/0x804 [ 208.863782][ T6672] path_mount+0x57c/0xfe8 [ 208.864370][ T6672] __arm64_sys_mount+0x488/0x5f8 [ 208.865140][ T6672] invoke_syscall+0x98/0x28c [ 208.865759][ T6672] el0_svc_common+0x13c/0x258 [ 208.866444][ T6672] do_el0_svc+0x5c/0x140 [ 208.867038][ T6672] el0_svc+0x78/0x1d0 [ 208.867661][ T6672] el0t_64_sync_handler+0xcc/0xe4 [ 208.868364][ T6672] el0t_64_sync+0x1a0/0x1a4 [ 208.869102][ T6672] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.870902][ T6672] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.005823][ T6675] set_capacity_and_notify: 14 callbacks suppressed [ 209.005833][ T6675] loop1: detected capacity change from 0 to 32768 [ 209.036128][ T6675] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.037186][ T6675] CPU: 0 PID: 6675 Comm: syz.1.591 Not tainted syzkaller #0 [ 209.038186][ T6675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 209.039549][ T6675] Call trace: [ 209.040005][ T6675] dump_backtrace+0x0/0x458 [ 209.040603][ T6675] show_stack+0x2c/0x3c [ 209.041194][ T6675] __dump_stack+0x30/0x40 [ 209.041750][ T6675] dump_stack_lvl+0xf4/0x15c [ 209.042391][ T6675] dump_stack+0x1c/0x5c [ 209.042990][ T6675] sysfs_create_dir_ns+0x244/0x264 [ 209.043661][ T6675] kobject_add_internal+0x594/0xc2c [ 209.044358][ T6675] kobject_init_and_add+0x128/0x194 [ 209.045006][ T6675] gfs2_sys_fs_add+0x208/0x428 [ 209.045682][ T6675] gfs2_fill_super+0xe20/0x1a9c [ 209.046398][ T6675] get_tree_bdev+0x35c/0x54c [ 209.047054][ T6675] gfs2_get_tree+0x58/0x1b8 [ 209.047703][ T6675] vfs_get_tree+0x90/0x278 [ 209.048260][ T6675] do_new_mount+0x228/0x804 [ 209.048868][ T6675] path_mount+0x57c/0xfe8 [ 209.049482][ T6675] __arm64_sys_mount+0x488/0x5f8 [ 209.050142][ T6675] invoke_syscall+0x98/0x28c [ 209.050768][ T6675] el0_svc_common+0x13c/0x258 [ 209.051506][ T6675] do_el0_svc+0x5c/0x140 [ 209.052160][ T6675] el0_svc+0x78/0x1d0 [ 209.052723][ T6675] el0t_64_sync_handler+0xcc/0xe4 [ 209.053435][ T6675] el0t_64_sync+0x1a0/0x1a4 [ 209.054851][ T6675] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.056661][ T6675] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.243447][ T6678] loop1: detected capacity change from 0 to 32768 [ 209.291536][ T6678] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.292622][ T6678] CPU: 0 PID: 6678 Comm: syz.1.592 Not tainted syzkaller #0 [ 209.293685][ T6678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 209.295073][ T6678] Call trace: [ 209.295522][ T6678] dump_backtrace+0x0/0x458 [ 209.296135][ T6678] show_stack+0x2c/0x3c [ 209.296661][ T6678] __dump_stack+0x30/0x40 [ 209.297280][ T6678] dump_stack_lvl+0xf4/0x15c [ 209.297883][ T6678] dump_stack+0x1c/0x5c [ 209.298524][ T6678] sysfs_create_dir_ns+0x244/0x264 [ 209.299245][ T6678] kobject_add_internal+0x594/0xc2c [ 209.299985][ T6678] kobject_init_and_add+0x128/0x194 [ 209.300713][ T6678] gfs2_sys_fs_add+0x208/0x428 [ 209.301335][ T6678] gfs2_fill_super+0xe20/0x1a9c [ 209.301955][ T6678] get_tree_bdev+0x35c/0x54c [ 209.302630][ T6678] gfs2_get_tree+0x58/0x1b8 [ 209.303164][ T6678] vfs_get_tree+0x90/0x278 [ 209.303759][ T6678] do_new_mount+0x228/0x804 [ 209.304362][ T6678] path_mount+0x57c/0xfe8 [ 209.305017][ T6678] __arm64_sys_mount+0x488/0x5f8 [ 209.305713][ T6678] invoke_syscall+0x98/0x28c [ 209.306298][ T6678] el0_svc_common+0x13c/0x258 [ 209.306992][ T6678] do_el0_svc+0x5c/0x140 [ 209.307530][ T6678] el0_svc+0x78/0x1d0 [ 209.308033][ T6678] el0t_64_sync_handler+0xcc/0xe4 [ 209.308692][ T6678] el0t_64_sync+0x1a0/0x1a4 [ 209.310816][ T6678] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.312620][ T6678] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.453515][ T6681] loop1: detected capacity change from 0 to 32768 [ 209.540883][ T6681] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.541985][ T6681] CPU: 0 PID: 6681 Comm: syz.1.593 Not tainted syzkaller #0 [ 209.543003][ T6681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 209.544357][ T6681] Call trace: [ 209.544800][ T6681] dump_backtrace+0x0/0x458 [ 209.545364][ T6681] show_stack+0x2c/0x3c [ 209.545957][ T6681] __dump_stack+0x30/0x40 [ 209.546519][ T6681] dump_stack_lvl+0xf4/0x15c [ 209.547160][ T6681] dump_stack+0x1c/0x5c [ 209.547716][ T6681] sysfs_create_dir_ns+0x244/0x264 [ 209.548406][ T6681] kobject_add_internal+0x594/0xc2c [ 209.549124][ T6681] kobject_init_and_add+0x128/0x194 [ 209.549886][ T6681] gfs2_sys_fs_add+0x208/0x428 [ 209.550560][ T6681] gfs2_fill_super+0xe20/0x1a9c [ 209.551188][ T6681] get_tree_bdev+0x35c/0x54c [ 209.551816][ T6681] gfs2_get_tree+0x58/0x1b8 [ 209.552355][ T6681] vfs_get_tree+0x90/0x278 [ 209.553004][ T6681] do_new_mount+0x228/0x804 [ 209.553612][ T6681] path_mount+0x57c/0xfe8 [ 209.554215][ T6681] __arm64_sys_mount+0x488/0x5f8 [ 209.554814][ T6681] invoke_syscall+0x98/0x28c [ 209.555458][ T6681] el0_svc_common+0x13c/0x258 [ 209.556014][ T6681] do_el0_svc+0x5c/0x140 [ 209.556564][ T6681] el0_svc+0x78/0x1d0 [ 209.557152][ T6681] el0t_64_sync_handler+0xcc/0xe4 [ 209.557800][ T6681] el0t_64_sync+0x1a0/0x1a4 [ 209.559825][ T6681] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.561620][ T6681] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.699422][ T6684] loop1: detected capacity change from 0 to 32768 [ 209.707070][ T6684] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.708187][ T6684] CPU: 1 PID: 6684 Comm: syz.1.594 Not tainted syzkaller #0 [ 209.709252][ T6684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 209.710583][ T6684] Call trace: [ 209.711085][ T6684] dump_backtrace+0x0/0x458 [ 209.711756][ T6684] show_stack+0x2c/0x3c [ 209.712430][ T6684] __dump_stack+0x30/0x40 [ 209.713031][ T6684] dump_stack_lvl+0xf4/0x15c [ 209.713655][ T6684] dump_stack+0x1c/0x5c [ 209.714195][ T6684] sysfs_create_dir_ns+0x244/0x264 [ 209.714923][ T6684] kobject_add_internal+0x594/0xc2c [ 209.715678][ T6684] kobject_init_and_add+0x128/0x194 [ 209.716350][ T6684] gfs2_sys_fs_add+0x208/0x428 [ 209.716958][ T6684] gfs2_fill_super+0xe20/0x1a9c [ 209.717649][ T6684] get_tree_bdev+0x35c/0x54c [ 209.718304][ T6684] gfs2_get_tree+0x58/0x1b8 [ 209.718934][ T6684] vfs_get_tree+0x90/0x278 [ 209.719528][ T6684] do_new_mount+0x228/0x804 [ 209.720145][ T6684] path_mount+0x57c/0xfe8 [ 209.720774][ T6684] __arm64_sys_mount+0x488/0x5f8 [ 209.721461][ T6684] invoke_syscall+0x98/0x28c [ 209.722087][ T6684] el0_svc_common+0x13c/0x258 [ 209.722703][ T6684] do_el0_svc+0x5c/0x140 [ 209.723359][ T6684] el0_svc+0x78/0x1d0 [ 209.723943][ T6684] el0t_64_sync_handler+0xcc/0xe4 [ 209.724629][ T6684] el0t_64_sync+0x1a0/0x1a4 [ 209.725362][ T6684] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.727292][ T6684] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.924560][ T6687] loop1: detected capacity change from 0 to 32768 [ 209.935738][ T4153] Bluetooth: hci1: command 0x0406 tx timeout [ 209.986262][ T6687] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.987454][ T6687] CPU: 1 PID: 6687 Comm: syz.1.595 Not tainted syzkaller #0 [ 209.988528][ T6687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 209.989857][ T6687] Call trace: [ 209.990335][ T6687] dump_backtrace+0x0/0x458 [ 209.990929][ T6687] show_stack+0x2c/0x3c [ 209.991460][ T6687] __dump_stack+0x30/0x40 [ 209.992040][ T6687] dump_stack_lvl+0xf4/0x15c [ 209.992663][ T6687] dump_stack+0x1c/0x5c [ 209.993264][ T6687] sysfs_create_dir_ns+0x244/0x264 [ 209.993918][ T6687] kobject_add_internal+0x594/0xc2c [ 209.994670][ T6687] kobject_init_and_add+0x128/0x194 [ 209.995310][ T6687] gfs2_sys_fs_add+0x208/0x428 [ 209.995976][ T6687] gfs2_fill_super+0xe20/0x1a9c [ 209.996659][ T6687] get_tree_bdev+0x35c/0x54c [ 209.997321][ T6687] gfs2_get_tree+0x58/0x1b8 [ 209.997923][ T6687] vfs_get_tree+0x90/0x278 [ 209.998513][ T6687] do_new_mount+0x228/0x804 [ 209.999124][ T6687] path_mount+0x57c/0xfe8 [ 209.999627][ T6687] __arm64_sys_mount+0x488/0x5f8 [ 210.000289][ T6687] invoke_syscall+0x98/0x28c [ 210.000877][ T6687] el0_svc_common+0x13c/0x258 [ 210.001478][ T6687] do_el0_svc+0x5c/0x140 [ 210.002088][ T6687] el0_svc+0x78/0x1d0 [ 210.002592][ T6687] el0t_64_sync_handler+0xcc/0xe4 [ 210.003327][ T6687] el0t_64_sync+0x1a0/0x1a4 [ 210.004156][ T6687] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.005943][ T6687] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.138729][ T6690] loop1: detected capacity change from 0 to 32768 [ 210.270027][ T6690] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.271087][ T6690] CPU: 1 PID: 6690 Comm: syz.1.596 Not tainted syzkaller #0 [ 210.272091][ T6690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 210.273487][ T6690] Call trace: [ 210.273907][ T6690] dump_backtrace+0x0/0x458 [ 210.274524][ T6690] show_stack+0x2c/0x3c [ 210.275085][ T6690] __dump_stack+0x30/0x40 [ 210.275706][ T6690] dump_stack_lvl+0xf4/0x15c [ 210.276323][ T6690] dump_stack+0x1c/0x5c [ 210.276860][ T6690] sysfs_create_dir_ns+0x244/0x264 [ 210.277557][ T6690] kobject_add_internal+0x594/0xc2c [ 210.278250][ T6690] kobject_init_and_add+0x128/0x194 [ 210.279024][ T6690] gfs2_sys_fs_add+0x208/0x428 [ 210.279711][ T6690] gfs2_fill_super+0xe20/0x1a9c [ 210.280389][ T6690] get_tree_bdev+0x35c/0x54c [ 210.281047][ T6690] gfs2_get_tree+0x58/0x1b8 [ 210.281683][ T6690] vfs_get_tree+0x90/0x278 [ 210.282292][ T6690] do_new_mount+0x228/0x804 [ 210.282943][ T6690] path_mount+0x57c/0xfe8 [ 210.283549][ T6690] __arm64_sys_mount+0x488/0x5f8 [ 210.284153][ T6690] invoke_syscall+0x98/0x28c [ 210.284778][ T6690] el0_svc_common+0x13c/0x258 [ 210.285382][ T6690] do_el0_svc+0x5c/0x140 [ 210.285968][ T6690] el0_svc+0x78/0x1d0 [ 210.286535][ T6690] el0t_64_sync_handler+0xcc/0xe4 [ 210.287213][ T6690] el0t_64_sync+0x1a0/0x1a4 [ 210.289340][ T6690] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.291127][ T6690] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.474010][ T6693] loop1: detected capacity change from 0 to 32768 [ 210.511753][ T6693] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.512867][ T6693] CPU: 0 PID: 6693 Comm: syz.1.597 Not tainted syzkaller #0 [ 210.513841][ T6693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 210.515137][ T6693] Call trace: [ 210.515577][ T6693] dump_backtrace+0x0/0x458 [ 210.516215][ T6693] show_stack+0x2c/0x3c [ 210.516797][ T6693] __dump_stack+0x30/0x40 [ 210.517410][ T6693] dump_stack_lvl+0xf4/0x15c [ 210.518085][ T6693] dump_stack+0x1c/0x5c [ 210.518692][ T6693] sysfs_create_dir_ns+0x244/0x264 [ 210.519373][ T6693] kobject_add_internal+0x594/0xc2c [ 210.520103][ T6693] kobject_init_and_add+0x128/0x194 [ 210.520863][ T6693] gfs2_sys_fs_add+0x208/0x428 [ 210.521562][ T6693] gfs2_fill_super+0xe20/0x1a9c [ 210.522205][ T6693] get_tree_bdev+0x35c/0x54c [ 210.522860][ T6693] gfs2_get_tree+0x58/0x1b8 [ 210.523472][ T6693] vfs_get_tree+0x90/0x278 [ 210.524086][ T6693] do_new_mount+0x228/0x804 [ 210.524687][ T6693] path_mount+0x57c/0xfe8 [ 210.525221][ T6693] __arm64_sys_mount+0x488/0x5f8 [ 210.525881][ T6693] invoke_syscall+0x98/0x28c [ 210.526522][ T6693] el0_svc_common+0x13c/0x258 [ 210.527137][ T6693] do_el0_svc+0x5c/0x140 [ 210.527691][ T6693] el0_svc+0x78/0x1d0 [ 210.528270][ T6693] el0t_64_sync_handler+0xcc/0xe4 [ 210.528914][ T6693] el0t_64_sync+0x1a0/0x1a4 [ 210.530999][ T6693] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.532697][ T6693] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.674807][ T6696] loop1: detected capacity change from 0 to 32768 [ 210.681573][ T6696] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.682790][ T6696] CPU: 1 PID: 6696 Comm: syz.1.598 Not tainted syzkaller #0 [ 210.683872][ T6696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 210.685243][ T6696] Call trace: [ 210.685649][ T6696] dump_backtrace+0x0/0x458 [ 210.686267][ T6696] show_stack+0x2c/0x3c [ 210.686868][ T6696] __dump_stack+0x30/0x40 [ 210.687435][ T6696] dump_stack_lvl+0xf4/0x15c [ 210.688094][ T6696] dump_stack+0x1c/0x5c [ 210.688659][ T6696] sysfs_create_dir_ns+0x244/0x264 [ 210.689367][ T6696] kobject_add_internal+0x594/0xc2c [ 210.690051][ T6696] kobject_init_and_add+0x128/0x194 [ 210.690813][ T6696] gfs2_sys_fs_add+0x208/0x428 [ 210.691464][ T6696] gfs2_fill_super+0xe20/0x1a9c [ 210.692127][ T6696] get_tree_bdev+0x35c/0x54c [ 210.692707][ T6696] gfs2_get_tree+0x58/0x1b8 [ 210.693364][ T6696] vfs_get_tree+0x90/0x278 [ 210.694009][ T6696] do_new_mount+0x228/0x804 [ 210.694602][ T6696] path_mount+0x57c/0xfe8 [ 210.695139][ T6696] __arm64_sys_mount+0x488/0x5f8 [ 210.695799][ T6696] invoke_syscall+0x98/0x28c [ 210.696480][ T6696] el0_svc_common+0x13c/0x258 [ 210.697143][ T6696] do_el0_svc+0x5c/0x140 [ 210.697765][ T6696] el0_svc+0x78/0x1d0 [ 210.698273][ T6696] el0t_64_sync_handler+0xcc/0xe4 [ 210.698917][ T6696] el0t_64_sync+0x1a0/0x1a4 [ 210.700037][ T6696] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.701861][ T6696] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.841335][ T6699] loop1: detected capacity change from 0 to 32768 [ 210.848861][ T6699] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.849943][ T6699] CPU: 0 PID: 6699 Comm: syz.1.599 Not tainted syzkaller #0 [ 210.850947][ T6699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 210.852343][ T6699] Call trace: [ 210.852776][ T6699] dump_backtrace+0x0/0x458 [ 210.853343][ T6699] show_stack+0x2c/0x3c [ 210.853922][ T6699] __dump_stack+0x30/0x40 [ 210.854526][ T6699] dump_stack_lvl+0xf4/0x15c [ 210.855169][ T6699] dump_stack+0x1c/0x5c [ 210.855672][ T6699] sysfs_create_dir_ns+0x244/0x264 [ 210.856376][ T6699] kobject_add_internal+0x594/0xc2c [ 210.857065][ T6699] kobject_init_and_add+0x128/0x194 [ 210.857782][ T6699] gfs2_sys_fs_add+0x208/0x428 [ 210.858437][ T6699] gfs2_fill_super+0xe20/0x1a9c [ 210.859079][ T6699] get_tree_bdev+0x35c/0x54c [ 210.859671][ T6699] gfs2_get_tree+0x58/0x1b8 [ 210.860252][ T6699] vfs_get_tree+0x90/0x278 [ 210.860797][ T6699] do_new_mount+0x228/0x804 [ 210.861444][ T6699] path_mount+0x57c/0xfe8 [ 210.862038][ T6699] __arm64_sys_mount+0x488/0x5f8 [ 210.862712][ T6699] invoke_syscall+0x98/0x28c [ 210.863327][ T6699] el0_svc_common+0x13c/0x258 [ 210.864027][ T6699] do_el0_svc+0x5c/0x140 [ 210.864631][ T6699] el0_svc+0x78/0x1d0 [ 210.865113][ T6699] el0t_64_sync_handler+0xcc/0xe4 [ 210.865777][ T6699] el0t_64_sync+0x1a0/0x1a4 [ 210.869471][ T6699] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.871217][ T6699] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.064454][ T6702] loop1: detected capacity change from 0 to 32768 [ 211.072261][ T6702] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.073383][ T6702] CPU: 1 PID: 6702 Comm: syz.1.600 Not tainted syzkaller #0 [ 211.074322][ T6702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 211.075686][ T6702] Call trace: [ 211.076115][ T6702] dump_backtrace+0x0/0x458 [ 211.076770][ T6702] show_stack+0x2c/0x3c [ 211.077379][ T6702] __dump_stack+0x30/0x40 [ 211.077977][ T6702] dump_stack_lvl+0xf4/0x15c [ 211.078648][ T6702] dump_stack+0x1c/0x5c [ 211.079269][ T6702] sysfs_create_dir_ns+0x244/0x264 [ 211.080028][ T6702] kobject_add_internal+0x594/0xc2c [ 211.080789][ T6702] kobject_init_and_add+0x128/0x194 [ 211.081521][ T6702] gfs2_sys_fs_add+0x208/0x428 [ 211.082191][ T6702] gfs2_fill_super+0xe20/0x1a9c [ 211.082861][ T6702] get_tree_bdev+0x35c/0x54c [ 211.083567][ T6702] gfs2_get_tree+0x58/0x1b8 [ 211.084201][ T6702] vfs_get_tree+0x90/0x278 [ 211.084763][ T6702] do_new_mount+0x228/0x804 [ 211.085422][ T6702] path_mount+0x57c/0xfe8 [ 211.085962][ T6702] __arm64_sys_mount+0x488/0x5f8 [ 211.086612][ T6702] invoke_syscall+0x98/0x28c [ 211.087308][ T6702] el0_svc_common+0x13c/0x258 [ 211.087972][ T6702] do_el0_svc+0x5c/0x140 [ 211.088579][ T6702] el0_svc+0x78/0x1d0 [ 211.089135][ T6702] el0t_64_sync_handler+0xcc/0xe4 [ 211.089836][ T6702] el0t_64_sync+0x1a0/0x1a4 [ 211.090713][ T6702] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.092665][ T6702] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.350929][ T6705] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.352052][ T6705] CPU: 1 PID: 6705 Comm: syz.1.601 Not tainted syzkaller #0 [ 211.353094][ T6705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 211.354400][ T6705] Call trace: [ 211.354821][ T6705] dump_backtrace+0x0/0x458 [ 211.355507][ T6705] show_stack+0x2c/0x3c [ 211.356128][ T6705] __dump_stack+0x30/0x40 [ 211.356755][ T6705] dump_stack_lvl+0xf4/0x15c [ 211.357389][ T6705] dump_stack+0x1c/0x5c [ 211.357949][ T6705] sysfs_create_dir_ns+0x244/0x264 [ 211.358616][ T6705] kobject_add_internal+0x594/0xc2c [ 211.359357][ T6705] kobject_init_and_add+0x128/0x194 [ 211.360096][ T6705] gfs2_sys_fs_add+0x208/0x428 [ 211.360768][ T6705] gfs2_fill_super+0xe20/0x1a9c [ 211.361427][ T6705] get_tree_bdev+0x35c/0x54c [ 211.362062][ T6705] gfs2_get_tree+0x58/0x1b8 [ 211.362705][ T6705] vfs_get_tree+0x90/0x278 [ 211.363318][ T6705] do_new_mount+0x228/0x804 [ 211.363996][ T6705] path_mount+0x57c/0xfe8 [ 211.364591][ T6705] __arm64_sys_mount+0x488/0x5f8 [ 211.365306][ T6705] invoke_syscall+0x98/0x28c [ 211.365891][ T6705] el0_svc_common+0x13c/0x258 [ 211.366520][ T6705] do_el0_svc+0x5c/0x140 [ 211.367171][ T6705] el0_svc+0x78/0x1d0 [ 211.367718][ T6705] el0t_64_sync_handler+0xcc/0xe4 [ 211.368454][ T6705] el0t_64_sync+0x1a0/0x1a4 [ 211.371290][ T6705] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.373168][ T6705] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.546225][ T6708] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.547445][ T6708] CPU: 0 PID: 6708 Comm: syz.1.602 Not tainted syzkaller #0 [ 211.548469][ T6708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 211.549819][ T6708] Call trace: [ 211.550248][ T6708] dump_backtrace+0x0/0x458 [ 211.550953][ T6708] show_stack+0x2c/0x3c [ 211.551511][ T6708] __dump_stack+0x30/0x40 [ 211.552100][ T6708] dump_stack_lvl+0xf4/0x15c [ 211.552770][ T6708] dump_stack+0x1c/0x5c [ 211.553358][ T6708] sysfs_create_dir_ns+0x244/0x264 [ 211.554232][ T6708] kobject_add_internal+0x594/0xc2c [ 211.555029][ T6708] kobject_init_and_add+0x128/0x194 [ 211.555824][ T6708] gfs2_sys_fs_add+0x208/0x428 [ 211.556512][ T6708] gfs2_fill_super+0xe20/0x1a9c [ 211.557207][ T6708] get_tree_bdev+0x35c/0x54c [ 211.558025][ T6708] gfs2_get_tree+0x58/0x1b8 [ 211.558706][ T6708] vfs_get_tree+0x90/0x278 [ 211.559376][ T6708] do_new_mount+0x228/0x804 [ 211.560041][ T6708] path_mount+0x57c/0xfe8 [ 211.560646][ T6708] __arm64_sys_mount+0x488/0x5f8 [ 211.561364][ T6708] invoke_syscall+0x98/0x28c [ 211.562068][ T6708] el0_svc_common+0x13c/0x258 [ 211.562761][ T6708] do_el0_svc+0x5c/0x140 [ 211.563451][ T6708] el0_svc+0x78/0x1d0 [ 211.564049][ T6708] el0t_64_sync_handler+0xcc/0xe4 [ 211.564779][ T6708] el0t_64_sync+0x1a0/0x1a4 [ 211.566822][ T6708] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.568603][ T6708] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.796279][ T6711] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.798076][ T6711] CPU: 1 PID: 6711 Comm: syz.1.603 Not tainted syzkaller #0 [ 211.799069][ T6711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 211.800444][ T6711] Call trace: [ 211.800871][ T6711] dump_backtrace+0x0/0x458 [ 211.801533][ T6711] show_stack+0x2c/0x3c [ 211.802074][ T6711] __dump_stack+0x30/0x40 [ 211.802648][ T6711] dump_stack_lvl+0xf4/0x15c [ 211.803272][ T6711] dump_stack+0x1c/0x5c [ 211.803868][ T6711] sysfs_create_dir_ns+0x244/0x264 [ 211.804624][ T6711] kobject_add_internal+0x594/0xc2c [ 211.805326][ T6711] kobject_init_and_add+0x128/0x194 [ 211.806098][ T6711] gfs2_sys_fs_add+0x208/0x428 [ 211.806743][ T6711] gfs2_fill_super+0xe20/0x1a9c [ 211.807430][ T6711] get_tree_bdev+0x35c/0x54c [ 211.808077][ T6711] gfs2_get_tree+0x58/0x1b8 [ 211.808685][ T6711] vfs_get_tree+0x90/0x278 [ 211.809254][ T6711] do_new_mount+0x228/0x804 [ 211.809859][ T6711] path_mount+0x57c/0xfe8 [ 211.810510][ T6711] __arm64_sys_mount+0x488/0x5f8 [ 211.811151][ T6711] invoke_syscall+0x98/0x28c [ 211.811799][ T6711] el0_svc_common+0x13c/0x258 [ 211.812401][ T6711] do_el0_svc+0x5c/0x140 [ 211.812972][ T6711] el0_svc+0x78/0x1d0 [ 211.813542][ T6711] el0t_64_sync_handler+0xcc/0xe4 [ 211.814246][ T6711] el0t_64_sync+0x1a0/0x1a4 [ 211.815452][ T6711] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.817316][ T6711] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.026475][ T6714] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.028413][ T6714] CPU: 0 PID: 6714 Comm: syz.1.604 Not tainted syzkaller #0 [ 212.029453][ T6714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 212.030916][ T6714] Call trace: [ 212.031399][ T6714] dump_backtrace+0x0/0x458 [ 212.032062][ T6714] show_stack+0x2c/0x3c [ 212.032714][ T6714] __dump_stack+0x30/0x40 [ 212.033345][ T6714] dump_stack_lvl+0xf4/0x15c [ 212.034097][ T6714] dump_stack+0x1c/0x5c [ 212.034767][ T6714] sysfs_create_dir_ns+0x244/0x264 [ 212.035546][ T6714] kobject_add_internal+0x594/0xc2c [ 212.036276][ T6714] kobject_init_and_add+0x128/0x194 [ 212.036922][ T6714] gfs2_sys_fs_add+0x208/0x428 [ 212.037556][ T6714] gfs2_fill_super+0xe20/0x1a9c [ 212.038247][ T6714] get_tree_bdev+0x35c/0x54c [ 212.038883][ T6714] gfs2_get_tree+0x58/0x1b8 [ 212.039538][ T6714] vfs_get_tree+0x90/0x278 [ 212.040207][ T6714] do_new_mount+0x228/0x804 [ 212.040832][ T6714] path_mount+0x57c/0xfe8 [ 212.041470][ T6714] __arm64_sys_mount+0x488/0x5f8 [ 212.042210][ T6714] invoke_syscall+0x98/0x28c [ 212.042903][ T6714] el0_svc_common+0x13c/0x258 [ 212.043575][ T6714] do_el0_svc+0x5c/0x140 [ 212.044210][ T6714] el0_svc+0x78/0x1d0 [ 212.044838][ T6714] el0t_64_sync_handler+0xcc/0xe4 [ 212.045537][ T6714] el0t_64_sync+0x1a0/0x1a4 [ 212.048570][ T6714] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.050671][ T6714] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.270957][ T6717] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.272083][ T6717] CPU: 1 PID: 6717 Comm: syz.1.605 Not tainted syzkaller #0 [ 212.273012][ T6717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 212.274516][ T6717] Call trace: [ 212.274990][ T6717] dump_backtrace+0x0/0x458 [ 212.275665][ T6717] show_stack+0x2c/0x3c [ 212.276293][ T6717] __dump_stack+0x30/0x40 [ 212.276948][ T6717] dump_stack_lvl+0xf4/0x15c [ 212.277632][ T6717] dump_stack+0x1c/0x5c [ 212.278324][ T6717] sysfs_create_dir_ns+0x244/0x264 [ 212.278968][ T6717] kobject_add_internal+0x594/0xc2c [ 212.279721][ T6717] kobject_init_and_add+0x128/0x194 [ 212.280393][ T6717] gfs2_sys_fs_add+0x208/0x428 [ 212.281024][ T6717] gfs2_fill_super+0xe20/0x1a9c [ 212.281778][ T6717] get_tree_bdev+0x35c/0x54c [ 212.282428][ T6717] gfs2_get_tree+0x58/0x1b8 [ 212.283038][ T6717] vfs_get_tree+0x90/0x278 [ 212.283610][ T6717] do_new_mount+0x228/0x804 [ 212.284247][ T6717] path_mount+0x57c/0xfe8 [ 212.284817][ T6717] __arm64_sys_mount+0x488/0x5f8 [ 212.285511][ T6717] invoke_syscall+0x98/0x28c [ 212.286143][ T6717] el0_svc_common+0x13c/0x258 [ 212.286827][ T6717] do_el0_svc+0x5c/0x140 [ 212.287485][ T6717] el0_svc+0x78/0x1d0 [ 212.288036][ T6717] el0t_64_sync_handler+0xcc/0xe4 [ 212.288741][ T6717] el0t_64_sync+0x1a0/0x1a4 [ 212.291656][ T6717] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.293586][ T6717] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.434881][ T6720] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.436120][ T6720] CPU: 0 PID: 6720 Comm: syz.1.606 Not tainted syzkaller #0 [ 212.437044][ T6720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 212.438283][ T6720] Call trace: [ 212.438745][ T6720] dump_backtrace+0x0/0x458 [ 212.439312][ T6720] show_stack+0x2c/0x3c [ 212.439866][ T6720] __dump_stack+0x30/0x40 [ 212.440480][ T6720] dump_stack_lvl+0xf4/0x15c [ 212.441178][ T6720] dump_stack+0x1c/0x5c [ 212.441734][ T6720] sysfs_create_dir_ns+0x244/0x264 [ 212.442434][ T6720] kobject_add_internal+0x594/0xc2c [ 212.443118][ T6720] kobject_init_and_add+0x128/0x194 [ 212.443844][ T6720] gfs2_sys_fs_add+0x208/0x428 [ 212.444528][ T6720] gfs2_fill_super+0xe20/0x1a9c [ 212.445195][ T6720] get_tree_bdev+0x35c/0x54c [ 212.445877][ T6720] gfs2_get_tree+0x58/0x1b8 [ 212.446530][ T6720] vfs_get_tree+0x90/0x278 [ 212.447127][ T6720] do_new_mount+0x228/0x804 [ 212.447734][ T6720] path_mount+0x57c/0xfe8 [ 212.448276][ T6720] __arm64_sys_mount+0x488/0x5f8 [ 212.448979][ T6720] invoke_syscall+0x98/0x28c [ 212.449605][ T6720] el0_svc_common+0x13c/0x258 [ 212.450251][ T6720] do_el0_svc+0x5c/0x140 [ 212.450849][ T6720] el0_svc+0x78/0x1d0 [ 212.451479][ T6720] el0t_64_sync_handler+0xcc/0xe4 [ 212.452158][ T6720] el0t_64_sync+0x1a0/0x1a4 [ 212.454341][ T6720] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.456474][ T6720] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.646676][ T6723] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.647766][ T6723] CPU: 0 PID: 6723 Comm: syz.1.607 Not tainted syzkaller #0 [ 212.648719][ T6723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 212.650045][ T6723] Call trace: [ 212.650477][ T6723] dump_backtrace+0x0/0x458 [ 212.651070][ T6723] show_stack+0x2c/0x3c [ 212.651609][ T6723] __dump_stack+0x30/0x40 [ 212.652235][ T6723] dump_stack_lvl+0xf4/0x15c [ 212.652788][ T6723] dump_stack+0x1c/0x5c [ 212.653342][ T6723] sysfs_create_dir_ns+0x244/0x264 [ 212.654045][ T6723] kobject_add_internal+0x594/0xc2c [ 212.654768][ T6723] kobject_init_and_add+0x128/0x194 [ 212.655445][ T6723] gfs2_sys_fs_add+0x208/0x428 [ 212.656097][ T6723] gfs2_fill_super+0xe20/0x1a9c [ 212.656882][ T6723] get_tree_bdev+0x35c/0x54c [ 212.657554][ T6723] gfs2_get_tree+0x58/0x1b8 [ 212.658161][ T6723] vfs_get_tree+0x90/0x278 [ 212.658734][ T6723] do_new_mount+0x228/0x804 [ 212.659420][ T6723] path_mount+0x57c/0xfe8 [ 212.660036][ T6723] __arm64_sys_mount+0x488/0x5f8 [ 212.660726][ T6723] invoke_syscall+0x98/0x28c [ 212.661378][ T6723] el0_svc_common+0x13c/0x258 [ 212.661949][ T6723] do_el0_svc+0x5c/0x140 [ 212.662508][ T6723] el0_svc+0x78/0x1d0 [ 212.663025][ T6723] el0t_64_sync_handler+0xcc/0xe4 [ 212.663667][ T6723] el0t_64_sync+0x1a0/0x1a4 [ 212.667751][ T6723] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.669568][ T6723] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.900034][ T6726] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.901203][ T6726] CPU: 1 PID: 6726 Comm: syz.1.608 Not tainted syzkaller #0 [ 212.902230][ T6726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 212.903711][ T6726] Call trace: [ 212.904220][ T6726] dump_backtrace+0x0/0x458 [ 212.904880][ T6726] show_stack+0x2c/0x3c [ 212.905498][ T6726] __dump_stack+0x30/0x40 [ 212.906169][ T6726] dump_stack_lvl+0xf4/0x15c [ 212.906860][ T6726] dump_stack+0x1c/0x5c [ 212.907454][ T6726] sysfs_create_dir_ns+0x244/0x264 [ 212.908130][ T6726] kobject_add_internal+0x594/0xc2c [ 212.908837][ T6726] kobject_init_and_add+0x128/0x194 [ 212.909595][ T6726] gfs2_sys_fs_add+0x208/0x428 [ 212.910293][ T6726] gfs2_fill_super+0xe20/0x1a9c [ 212.911008][ T6726] get_tree_bdev+0x35c/0x54c [ 212.911662][ T6726] gfs2_get_tree+0x58/0x1b8 [ 212.912330][ T6726] vfs_get_tree+0x90/0x278 [ 212.912876][ T6726] do_new_mount+0x228/0x804 [ 212.913450][ T6726] path_mount+0x57c/0xfe8 [ 212.914022][ T6726] __arm64_sys_mount+0x488/0x5f8 [ 212.914665][ T6726] invoke_syscall+0x98/0x28c [ 212.915352][ T6726] el0_svc_common+0x13c/0x258 [ 212.915969][ T6726] do_el0_svc+0x5c/0x140 [ 212.916588][ T6726] el0_svc+0x78/0x1d0 [ 212.917124][ T6726] el0t_64_sync_handler+0xcc/0xe4 [ 212.917866][ T6726] el0t_64_sync+0x1a0/0x1a4 [ 212.920455][ T6726] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.922308][ T6726] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.181288][ T6729] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.182334][ T6729] CPU: 0 PID: 6729 Comm: syz.1.609 Not tainted syzkaller #0 [ 213.183500][ T6729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 213.184947][ T6729] Call trace: [ 213.185338][ T6729] dump_backtrace+0x0/0x458 [ 213.185979][ T6729] show_stack+0x2c/0x3c [ 213.186571][ T6729] __dump_stack+0x30/0x40 [ 213.187170][ T6729] dump_stack_lvl+0xf4/0x15c [ 213.187830][ T6729] dump_stack+0x1c/0x5c [ 213.188367][ T6729] sysfs_create_dir_ns+0x244/0x264 [ 213.189084][ T6729] kobject_add_internal+0x594/0xc2c [ 213.189800][ T6729] kobject_init_and_add+0x128/0x194 [ 213.190481][ T6729] gfs2_sys_fs_add+0x208/0x428 [ 213.191179][ T6729] gfs2_fill_super+0xe20/0x1a9c [ 213.191903][ T6729] get_tree_bdev+0x35c/0x54c [ 213.192564][ T6729] gfs2_get_tree+0x58/0x1b8 [ 213.193225][ T6729] vfs_get_tree+0x90/0x278 [ 213.193832][ T6729] do_new_mount+0x228/0x804 [ 213.194512][ T6729] path_mount+0x57c/0xfe8 [ 213.195095][ T6729] __arm64_sys_mount+0x488/0x5f8 [ 213.195732][ T6729] invoke_syscall+0x98/0x28c [ 213.196403][ T6729] el0_svc_common+0x13c/0x258 [ 213.197071][ T6729] do_el0_svc+0x5c/0x140 [ 213.197650][ T6729] el0_svc+0x78/0x1d0 [ 213.198198][ T6729] el0t_64_sync_handler+0xcc/0xe4 [ 213.198914][ T6729] el0t_64_sync+0x1a0/0x1a4 [ 213.199704][ T6729] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.201471][ T6729] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.346968][ T6732] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.348165][ T6732] CPU: 0 PID: 6732 Comm: syz.1.610 Not tainted syzkaller #0 [ 213.349142][ T6732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 213.350448][ T6732] Call trace: [ 213.350866][ T6732] dump_backtrace+0x0/0x458 [ 213.351517][ T6732] show_stack+0x2c/0x3c [ 213.352108][ T6732] __dump_stack+0x30/0x40 [ 213.352661][ T6732] dump_stack_lvl+0xf4/0x15c [ 213.353251][ T6732] dump_stack+0x1c/0x5c [ 213.353780][ T6732] sysfs_create_dir_ns+0x244/0x264 [ 213.354428][ T6732] kobject_add_internal+0x594/0xc2c [ 213.355065][ T6732] kobject_init_and_add+0x128/0x194 [ 213.355724][ T6732] gfs2_sys_fs_add+0x208/0x428 [ 213.356437][ T6732] gfs2_fill_super+0xe20/0x1a9c [ 213.356996][ T6732] get_tree_bdev+0x35c/0x54c [ 213.357545][ T6732] gfs2_get_tree+0x58/0x1b8 [ 213.358141][ T6732] vfs_get_tree+0x90/0x278 [ 213.358780][ T6732] do_new_mount+0x228/0x804 [ 213.359395][ T6732] path_mount+0x57c/0xfe8 [ 213.359961][ T6732] __arm64_sys_mount+0x488/0x5f8 [ 213.360678][ T6732] invoke_syscall+0x98/0x28c [ 213.361328][ T6732] el0_svc_common+0x13c/0x258 [ 213.361926][ T6732] do_el0_svc+0x5c/0x140 [ 213.362555][ T6732] el0_svc+0x78/0x1d0 [ 213.363056][ T6732] el0t_64_sync_handler+0xcc/0xe4 [ 213.363699][ T6732] el0t_64_sync+0x1a0/0x1a4 [ 213.366521][ T6732] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.368192][ T6732] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.537365][ T6735] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.538415][ T6735] CPU: 1 PID: 6735 Comm: syz.1.611 Not tainted syzkaller #0 [ 213.539394][ T6735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 213.540788][ T6735] Call trace: [ 213.541256][ T6735] dump_backtrace+0x0/0x458 [ 213.541897][ T6735] show_stack+0x2c/0x3c [ 213.542414][ T6735] __dump_stack+0x30/0x40 [ 213.543023][ T6735] dump_stack_lvl+0xf4/0x15c [ 213.543655][ T6735] dump_stack+0x1c/0x5c [ 213.544178][ T6735] sysfs_create_dir_ns+0x244/0x264 [ 213.544831][ T6735] kobject_add_internal+0x594/0xc2c [ 213.545508][ T6735] kobject_init_and_add+0x128/0x194 [ 213.546235][ T6735] gfs2_sys_fs_add+0x208/0x428 [ 213.546896][ T6735] gfs2_fill_super+0xe20/0x1a9c [ 213.547541][ T6735] get_tree_bdev+0x35c/0x54c [ 213.548167][ T6735] gfs2_get_tree+0x58/0x1b8 [ 213.548809][ T6735] vfs_get_tree+0x90/0x278 [ 213.549435][ T6735] do_new_mount+0x228/0x804 [ 213.550013][ T6735] path_mount+0x57c/0xfe8 [ 213.550552][ T6735] __arm64_sys_mount+0x488/0x5f8 [ 213.551195][ T6735] invoke_syscall+0x98/0x28c [ 213.551776][ T6735] el0_svc_common+0x13c/0x258 [ 213.552402][ T6735] do_el0_svc+0x5c/0x140 [ 213.553023][ T6735] el0_svc+0x78/0x1d0 [ 213.553584][ T6735] el0t_64_sync_handler+0xcc/0xe4 [ 213.554252][ T6735] el0t_64_sync+0x1a0/0x1a4 [ 213.559307][ T6735] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.561114][ T6735] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:33 executed programs: 598 [ 213.702889][ T6738] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.703942][ T6738] CPU: 1 PID: 6738 Comm: syz.1.612 Not tainted syzkaller #0 [ 213.704887][ T6738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 213.706206][ T6738] Call trace: [ 213.706648][ T6738] dump_backtrace+0x0/0x458 [ 213.707265][ T6738] show_stack+0x2c/0x3c [ 213.707848][ T6738] __dump_stack+0x30/0x40 [ 213.708405][ T6738] dump_stack_lvl+0xf4/0x15c [ 213.709046][ T6738] dump_stack+0x1c/0x5c [ 213.709623][ T6738] sysfs_create_dir_ns+0x244/0x264 [ 213.710298][ T6738] kobject_add_internal+0x594/0xc2c [ 213.710981][ T6738] kobject_init_and_add+0x128/0x194 [ 213.711659][ T6738] gfs2_sys_fs_add+0x208/0x428 [ 213.712317][ T6738] gfs2_fill_super+0xe20/0x1a9c [ 213.712991][ T6738] get_tree_bdev+0x35c/0x54c [ 213.713608][ T6738] gfs2_get_tree+0x58/0x1b8 [ 213.714216][ T6738] vfs_get_tree+0x90/0x278 [ 213.714900][ T6738] do_new_mount+0x228/0x804 [ 213.715459][ T6738] path_mount+0x57c/0xfe8 [ 213.716010][ T6738] __arm64_sys_mount+0x488/0x5f8 [ 213.716684][ T6738] invoke_syscall+0x98/0x28c [ 213.717237][ T6738] el0_svc_common+0x13c/0x258 [ 213.717918][ T6738] do_el0_svc+0x5c/0x140 [ 213.718457][ T6738] el0_svc+0x78/0x1d0 [ 213.719072][ T6738] el0t_64_sync_handler+0xcc/0xe4 [ 213.719745][ T6738] el0t_64_sync+0x1a0/0x1a4 [ 213.722493][ T6738] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.724691][ T6738] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.865248][ T6741] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.866471][ T6741] CPU: 1 PID: 6741 Comm: syz.1.613 Not tainted syzkaller #0 [ 213.867570][ T6741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 213.868818][ T6741] Call trace: [ 213.869294][ T6741] dump_backtrace+0x0/0x458 [ 213.869873][ T6741] show_stack+0x2c/0x3c [ 213.870366][ T6741] __dump_stack+0x30/0x40 [ 213.870975][ T6741] dump_stack_lvl+0xf4/0x15c [ 213.871564][ T6741] dump_stack+0x1c/0x5c [ 213.872231][ T6741] sysfs_create_dir_ns+0x244/0x264 [ 213.872888][ T6741] kobject_add_internal+0x594/0xc2c [ 213.873601][ T6741] kobject_init_and_add+0x128/0x194 [ 213.874288][ T6741] gfs2_sys_fs_add+0x208/0x428 [ 213.874941][ T6741] gfs2_fill_super+0xe20/0x1a9c [ 213.875618][ T6741] get_tree_bdev+0x35c/0x54c [ 213.876312][ T6741] gfs2_get_tree+0x58/0x1b8 [ 213.876945][ T6741] vfs_get_tree+0x90/0x278 [ 213.877534][ T6741] do_new_mount+0x228/0x804 [ 213.878125][ T6741] path_mount+0x57c/0xfe8 [ 213.878661][ T6741] __arm64_sys_mount+0x488/0x5f8 [ 213.879413][ T6741] invoke_syscall+0x98/0x28c [ 213.880080][ T6741] el0_svc_common+0x13c/0x258 [ 213.880706][ T6741] do_el0_svc+0x5c/0x140 [ 213.881238][ T6741] el0_svc+0x78/0x1d0 [ 213.881790][ T6741] el0t_64_sync_handler+0xcc/0xe4 [ 213.882465][ T6741] el0t_64_sync+0x1a0/0x1a4 [ 213.884577][ T6741] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.886450][ T6741] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.020816][ T6744] set_capacity_and_notify: 13 callbacks suppressed [ 214.020826][ T6744] loop1: detected capacity change from 0 to 32768 [ 214.028583][ T6744] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.029564][ T6744] CPU: 0 PID: 6744 Comm: syz.1.614 Not tainted syzkaller #0 [ 214.030566][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 214.031965][ T6744] Call trace: [ 214.032443][ T6744] dump_backtrace+0x0/0x458 [ 214.033031][ T6744] show_stack+0x2c/0x3c [ 214.033594][ T6744] __dump_stack+0x30/0x40 [ 214.034211][ T6744] dump_stack_lvl+0xf4/0x15c [ 214.034871][ T6744] dump_stack+0x1c/0x5c [ 214.035499][ T6744] sysfs_create_dir_ns+0x244/0x264 [ 214.036180][ T6744] kobject_add_internal+0x594/0xc2c [ 214.036896][ T6744] kobject_init_and_add+0x128/0x194 [ 214.037626][ T6744] gfs2_sys_fs_add+0x208/0x428 [ 214.038316][ T6744] gfs2_fill_super+0xe20/0x1a9c [ 214.039011][ T6744] get_tree_bdev+0x35c/0x54c [ 214.039697][ T6744] gfs2_get_tree+0x58/0x1b8 [ 214.040334][ T6744] vfs_get_tree+0x90/0x278 [ 214.041059][ T6744] do_new_mount+0x228/0x804 [ 214.041694][ T6744] path_mount+0x57c/0xfe8 [ 214.042342][ T6744] __arm64_sys_mount+0x488/0x5f8 [ 214.043036][ T6744] invoke_syscall+0x98/0x28c [ 214.043664][ T6744] el0_svc_common+0x13c/0x258 [ 214.044265][ T6744] do_el0_svc+0x5c/0x140 [ 214.044921][ T6744] el0_svc+0x78/0x1d0 [ 214.045547][ T6744] el0t_64_sync_handler+0xcc/0xe4 [ 214.046278][ T6744] el0t_64_sync+0x1a0/0x1a4 [ 214.048759][ T6744] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.050502][ T6744] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.243224][ T6747] loop1: detected capacity change from 0 to 32768 [ 214.285458][ T6747] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.286676][ T6747] CPU: 0 PID: 6747 Comm: syz.1.615 Not tainted syzkaller #0 [ 214.287725][ T6747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 214.289125][ T6747] Call trace: [ 214.289588][ T6747] dump_backtrace+0x0/0x458 [ 214.290220][ T6747] show_stack+0x2c/0x3c [ 214.290771][ T6747] __dump_stack+0x30/0x40 [ 214.291314][ T6747] dump_stack_lvl+0xf4/0x15c [ 214.291910][ T6747] dump_stack+0x1c/0x5c [ 214.292475][ T6747] sysfs_create_dir_ns+0x244/0x264 [ 214.293162][ T6747] kobject_add_internal+0x594/0xc2c [ 214.293903][ T6747] kobject_init_and_add+0x128/0x194 [ 214.294636][ T6747] gfs2_sys_fs_add+0x208/0x428 [ 214.295301][ T6747] gfs2_fill_super+0xe20/0x1a9c [ 214.295977][ T6747] get_tree_bdev+0x35c/0x54c [ 214.296614][ T6747] gfs2_get_tree+0x58/0x1b8 [ 214.297201][ T6747] vfs_get_tree+0x90/0x278 [ 214.297785][ T6747] do_new_mount+0x228/0x804 [ 214.298419][ T6747] path_mount+0x57c/0xfe8 [ 214.298967][ T6747] __arm64_sys_mount+0x488/0x5f8 [ 214.299630][ T6747] invoke_syscall+0x98/0x28c [ 214.300278][ T6747] el0_svc_common+0x13c/0x258 [ 214.300872][ T6747] do_el0_svc+0x5c/0x140 [ 214.301464][ T6747] el0_svc+0x78/0x1d0 [ 214.302009][ T6747] el0t_64_sync_handler+0xcc/0xe4 [ 214.302633][ T6747] el0t_64_sync+0x1a0/0x1a4 [ 214.303499][ T6747] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.305343][ T6747] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.439383][ T6750] loop1: detected capacity change from 0 to 32768 [ 214.447043][ T6750] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.448122][ T6750] CPU: 1 PID: 6750 Comm: syz.1.616 Not tainted syzkaller #0 [ 214.449020][ T6750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 214.450431][ T6750] Call trace: [ 214.450910][ T6750] dump_backtrace+0x0/0x458 [ 214.451489][ T6750] show_stack+0x2c/0x3c [ 214.451997][ T6750] __dump_stack+0x30/0x40 [ 214.452589][ T6750] dump_stack_lvl+0xf4/0x15c [ 214.453253][ T6750] dump_stack+0x1c/0x5c [ 214.453801][ T6750] sysfs_create_dir_ns+0x244/0x264 [ 214.454550][ T6750] kobject_add_internal+0x594/0xc2c [ 214.455269][ T6750] kobject_init_and_add+0x128/0x194 [ 214.456045][ T6750] gfs2_sys_fs_add+0x208/0x428 [ 214.456722][ T6750] gfs2_fill_super+0xe20/0x1a9c [ 214.457354][ T6750] get_tree_bdev+0x35c/0x54c [ 214.458038][ T6750] gfs2_get_tree+0x58/0x1b8 [ 214.458615][ T6750] vfs_get_tree+0x90/0x278 [ 214.459289][ T6750] do_new_mount+0x228/0x804 [ 214.459798][ T6750] path_mount+0x57c/0xfe8 [ 214.460428][ T6750] __arm64_sys_mount+0x488/0x5f8 [ 214.461162][ T6750] invoke_syscall+0x98/0x28c [ 214.461846][ T6750] el0_svc_common+0x13c/0x258 [ 214.462599][ T6750] do_el0_svc+0x5c/0x140 [ 214.463203][ T6750] el0_svc+0x78/0x1d0 [ 214.463816][ T6750] el0t_64_sync_handler+0xcc/0xe4 [ 214.464589][ T6750] el0t_64_sync+0x1a0/0x1a4 [ 214.468308][ T6750] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.470099][ T6750] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.601364][ T6753] loop1: detected capacity change from 0 to 32768 [ 214.710334][ T6753] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.711444][ T6753] CPU: 0 PID: 6753 Comm: syz.1.617 Not tainted syzkaller #0 [ 214.712381][ T6753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 214.713767][ T6753] Call trace: [ 214.714148][ T6753] dump_backtrace+0x0/0x458 [ 214.714749][ T6753] show_stack+0x2c/0x3c [ 214.715327][ T6753] __dump_stack+0x30/0x40 [ 214.715936][ T6753] dump_stack_lvl+0xf4/0x15c [ 214.716476][ T6753] dump_stack+0x1c/0x5c [ 214.717020][ T6753] sysfs_create_dir_ns+0x244/0x264 [ 214.717720][ T6753] kobject_add_internal+0x594/0xc2c [ 214.718469][ T6753] kobject_init_and_add+0x128/0x194 [ 214.719187][ T6753] gfs2_sys_fs_add+0x208/0x428 [ 214.719801][ T6753] gfs2_fill_super+0xe20/0x1a9c [ 214.720495][ T6753] get_tree_bdev+0x35c/0x54c [ 214.721115][ T6753] gfs2_get_tree+0x58/0x1b8 [ 214.721708][ T6753] vfs_get_tree+0x90/0x278 [ 214.722310][ T6753] do_new_mount+0x228/0x804 [ 214.722930][ T6753] path_mount+0x57c/0xfe8 [ 214.723564][ T6753] __arm64_sys_mount+0x488/0x5f8 [ 214.724269][ T6753] invoke_syscall+0x98/0x28c [ 214.724890][ T6753] el0_svc_common+0x13c/0x258 [ 214.725498][ T6753] do_el0_svc+0x5c/0x140 [ 214.726082][ T6753] el0_svc+0x78/0x1d0 [ 214.726637][ T6753] el0t_64_sync_handler+0xcc/0xe4 [ 214.727323][ T6753] el0t_64_sync+0x1a0/0x1a4 [ 214.728748][ T6753] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.730579][ T6753] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.801933][ T6756] chnl_net:caif_netlink_parms(): no params data found [ 214.825000][ T6756] bridge0: port 1(bridge_slave_0) entered blocking state [ 214.826427][ T6756] bridge0: port 1(bridge_slave_0) entered disabled state [ 214.827808][ T6756] device bridge_slave_0 entered promiscuous mode [ 214.829753][ T6756] bridge0: port 2(bridge_slave_1) entered blocking state [ 214.830811][ T6756] bridge0: port 2(bridge_slave_1) entered disabled state [ 214.832044][ T6756] device bridge_slave_1 entered promiscuous mode [ 214.841128][ T6756] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 214.843571][ T6756] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 214.852074][ T6756] team0: Port device team_slave_0 added [ 214.853868][ T6756] team0: Port device team_slave_1 added [ 214.861267][ T6756] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 214.862208][ T6756] 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. [ 214.865959][ T6756] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 214.867946][ T6756] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 214.868852][ T6756] 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. [ 214.872280][ T6756] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 214.917585][ T6756] device hsr_slave_0 entered promiscuous mode [ 214.945687][ T6756] device hsr_slave_1 entered promiscuous mode [ 214.995563][ T6756] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 214.996620][ T6756] Cannot create hsr debugfs directory [ 215.040231][ T6756] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.233195][ T6756] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.287866][ T6756] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.551235][ T6756] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.691205][ T6756] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 215.743529][ T6756] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 215.790607][ T6756] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 215.851051][ T6756] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 215.917448][ T6756] 8021q: adding VLAN 0 to HW filter on device bond0 [ 215.921453][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 215.922910][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 215.925478][ T6756] 8021q: adding VLAN 0 to HW filter on device team0 [ 215.931886][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 215.933471][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 215.934816][ T355] bridge0: port 1(bridge_slave_0) entered blocking state [ 215.935869][ T355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 215.940353][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 215.943228][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 215.944753][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 215.946748][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 215.947777][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 215.950867][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 215.953620][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 215.956865][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 215.958884][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 215.960329][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 215.962997][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 215.964500][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 215.968552][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 215.969999][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 215.972577][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 215.974122][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 215.976684][ T6756] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 216.020372][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 216.021675][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 216.025304][ T6756] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 216.033403][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 216.035011][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 216.041791][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 216.043340][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 216.044940][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 216.046678][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 216.048932][ T6756] device veth0_vlan entered promiscuous mode [ 216.052538][ T6756] device veth1_vlan entered promiscuous mode [ 216.064756][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 216.066705][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 216.068181][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 216.069736][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 216.072137][ T6756] device veth0_macvtap entered promiscuous mode [ 216.074620][ T6756] device veth1_macvtap entered promiscuous mode [ 216.081248][ T6756] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 216.082806][ T6756] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.084165][ T6756] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 216.087135][ T6756] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.089242][ T6756] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 216.090372][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 216.091836][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 216.093214][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 216.094719][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 216.098425][ T6756] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 216.099966][ T6756] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.101440][ T6756] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 216.102925][ T6756] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.104829][ T6756] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 216.110002][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 216.111645][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 216.114491][ T6756] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.116231][ T6756] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.117487][ T6756] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.118730][ T6756] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.142162][ T355] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 216.144136][ T355] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 216.146567][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 216.153130][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 216.154290][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 216.157045][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 216.312332][ T6768] loop1: detected capacity change from 0 to 32768 [ 216.361130][ T6768] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.362138][ T6768] CPU: 0 PID: 6768 Comm: syz.1.618 Not tainted syzkaller #0 [ 216.363104][ T6768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 216.364393][ T6768] Call trace: [ 216.364773][ T6768] dump_backtrace+0x0/0x458 [ 216.365378][ T6768] show_stack+0x2c/0x3c [ 216.365959][ T6768] __dump_stack+0x30/0x40 [ 216.366586][ T6768] dump_stack_lvl+0xf4/0x15c [ 216.367232][ T6768] dump_stack+0x1c/0x5c [ 216.367827][ T6768] sysfs_create_dir_ns+0x244/0x264 [ 216.368504][ T6768] kobject_add_internal+0x594/0xc2c [ 216.369269][ T6768] kobject_init_and_add+0x128/0x194 [ 216.369923][ T6768] gfs2_sys_fs_add+0x208/0x428 [ 216.370555][ T6768] gfs2_fill_super+0xe20/0x1a9c [ 216.371215][ T6768] get_tree_bdev+0x35c/0x54c [ 216.371806][ T6768] gfs2_get_tree+0x58/0x1b8 [ 216.372450][ T6768] vfs_get_tree+0x90/0x278 [ 216.373033][ T6768] do_new_mount+0x228/0x804 [ 216.373674][ T6768] path_mount+0x57c/0xfe8 [ 216.374303][ T6768] __arm64_sys_mount+0x488/0x5f8 [ 216.374987][ T6768] invoke_syscall+0x98/0x28c [ 216.375648][ T6768] el0_svc_common+0x13c/0x258 [ 216.376264][ T6768] do_el0_svc+0x5c/0x140 [ 216.376835][ T6768] el0_svc+0x78/0x1d0 [ 216.377423][ T6768] el0t_64_sync_handler+0xcc/0xe4 [ 216.378117][ T6768] el0t_64_sync+0x1a0/0x1a4 [ 216.380216][ T6768] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.381922][ T6768] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.529287][ T6771] loop1: detected capacity change from 0 to 32768 [ 216.577504][ T6771] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.578675][ T6771] CPU: 1 PID: 6771 Comm: syz.1.619 Not tainted syzkaller #0 [ 216.579735][ T6771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 216.581040][ T6771] Call trace: [ 216.581525][ T6771] dump_backtrace+0x0/0x458 [ 216.582187][ T6771] show_stack+0x2c/0x3c [ 216.582734][ T6771] __dump_stack+0x30/0x40 [ 216.583303][ T6771] dump_stack_lvl+0xf4/0x15c [ 216.583935][ T6771] dump_stack+0x1c/0x5c [ 216.584490][ T6771] sysfs_create_dir_ns+0x244/0x264 [ 216.585136][ T6771] kobject_add_internal+0x594/0xc2c [ 216.585806][ T6771] kobject_init_and_add+0x128/0x194 [ 216.586485][ T6771] gfs2_sys_fs_add+0x208/0x428 [ 216.587103][ T6771] gfs2_fill_super+0xe20/0x1a9c [ 216.587758][ T6771] get_tree_bdev+0x35c/0x54c [ 216.588338][ T6771] gfs2_get_tree+0x58/0x1b8 [ 216.588965][ T6771] vfs_get_tree+0x90/0x278 [ 216.589625][ T6771] do_new_mount+0x228/0x804 [ 216.590232][ T6771] path_mount+0x57c/0xfe8 [ 216.590838][ T6771] __arm64_sys_mount+0x488/0x5f8 [ 216.591499][ T6771] invoke_syscall+0x98/0x28c [ 216.592111][ T6771] el0_svc_common+0x13c/0x258 [ 216.592714][ T6771] do_el0_svc+0x5c/0x140 [ 216.593330][ T6771] el0_svc+0x78/0x1d0 [ 216.593836][ T6771] el0t_64_sync_handler+0xcc/0xe4 [ 216.594523][ T6771] el0t_64_sync+0x1a0/0x1a4 [ 216.595897][ T6771] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.597672][ T6771] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.681531][ T4295] device hsr_slave_0 left promiscuous mode [ 216.695971][ T4295] device hsr_slave_1 left promiscuous mode [ 216.747422][ T6774] loop1: detected capacity change from 0 to 32768 [ 216.785713][ T4295] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 216.786721][ T6774] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.786806][ T4295] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 216.787896][ T6774] CPU: 1 PID: 6774 Comm: syz.1.620 Not tainted syzkaller #0 [ 216.789820][ T6774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 216.791290][ T6774] Call trace: [ 216.791734][ T6774] dump_backtrace+0x0/0x458 [ 216.792338][ T6774] show_stack+0x2c/0x3c [ 216.792849][ T6774] __dump_stack+0x30/0x40 [ 216.793444][ T6774] dump_stack_lvl+0xf4/0x15c [ 216.794041][ T6774] dump_stack+0x1c/0x5c [ 216.794664][ T6774] sysfs_create_dir_ns+0x244/0x264 [ 216.795389][ T6774] kobject_add_internal+0x594/0xc2c [ 216.796118][ T6774] kobject_init_and_add+0x128/0x194 [ 216.796830][ T6774] gfs2_sys_fs_add+0x208/0x428 [ 216.797495][ T6774] gfs2_fill_super+0xe20/0x1a9c [ 216.798098][ T6774] get_tree_bdev+0x35c/0x54c [ 216.798709][ T6774] gfs2_get_tree+0x58/0x1b8 [ 216.799314][ T6774] vfs_get_tree+0x90/0x278 [ 216.799900][ T6774] do_new_mount+0x228/0x804 [ 216.800505][ T6774] path_mount+0x57c/0xfe8 [ 216.801085][ T6774] __arm64_sys_mount+0x488/0x5f8 [ 216.801724][ T6774] invoke_syscall+0x98/0x28c [ 216.802389][ T6774] el0_svc_common+0x13c/0x258 [ 216.803044][ T6774] do_el0_svc+0x5c/0x140 [ 216.803623][ T6774] el0_svc+0x78/0x1d0 [ 216.804125][ T6774] el0t_64_sync_handler+0xcc/0xe4 [ 216.804774][ T6774] el0t_64_sync+0x1a0/0x1a4 [ 216.807399][ T4295] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 216.808467][ T4295] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 216.808508][ T6774] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.811340][ T6774] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.811750][ T4295] device bridge_slave_1 left promiscuous mode [ 216.813164][ T4295] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.815682][ T25] Bluetooth: hci2: command 0x0409 tx timeout [ 216.815937][ T27] INFO: task syz-executor:4741 blocked for more than 143 seconds. [ 216.817683][ T27] Not tainted syzkaller #0 [ 216.818315][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 216.819419][ T27] task:syz-executor state:D stack: 0 pid: 4741 ppid: 1 flags:0x00000001 [ 216.820687][ T27] Call trace: [ 216.821200][ T27] __switch_to+0x2f4/0x540 [ 216.821867][ T27] __schedule+0xe20/0x1c6c [ 216.822461][ T27] schedule+0x11c/0x1c8 [ 216.823038][ T27] bit_wait+0x1c/0xac [ 216.823561][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 216.824338][ T27] gfs2_glock_nq+0x8dc/0x13d0 [ 216.824981][ T27] __gfs2_lookup+0x120/0x28c [ 216.827161][ T27] gfs2_lookup+0x2c/0x3c [ 216.827809][ T27] __lookup_slow+0x25c/0x39c [ 216.828753][ T27] lookup_slow+0x60/0x84 [ 216.829598][ T27] walk_component+0x2b8/0x3b8 [ 216.830474][ T27] path_lookupat+0x168/0x3f0 [ 216.831386][ T27] filename_lookup+0x1c8/0x478 [ 216.832292][ T27] user_path_at_empty+0x5c/0x1a0 [ 216.833497][ T27] __arm64_sys_umount+0xf8/0x184 [ 216.834169][ T27] invoke_syscall+0x98/0x28c [ 216.834802][ T27] el0_svc_common+0x13c/0x258 [ 216.835473][ T27] do_el0_svc+0x5c/0x140 [ 216.837267][ T27] el0_svc+0x78/0x1d0 [ 216.838695][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 216.839673][ T27] el0t_64_sync+0x1a0/0x1a4 [ 216.840327][ T27] [ 216.840327][ T27] Showing all locks held in the system: [ 216.841324][ T27] 1 lock held by khungtaskd/27: [ 216.841951][ T27] #0: ffff800014561460 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 216.843283][ T27] 2 locks held by getty/3800: [ 216.843932][ T27] #0: ffff0000d309c098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 216.845293][ T27] #1: ffff80001bf5e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf90 [ 216.847608][ T27] 3 locks held by kworker/1:5/4079: [ 216.848626][ T27] #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x67c/0x1178 [ 216.850604][ T27] #1: ffff80001fa47c40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 216.852812][ T27] #2: ffff0000cbb86240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1d8/0x27c4 [ 216.854189][ T27] 3 locks held by kworker/1:8/4153: [ 216.854938][ T27] #0: ffff0000d3810d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x67c/0x1178 [ 216.858386][ T27] #1: ffff80001f9c7c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 216.860594][ T27] #2: ffff8000164b78e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 216.866939][ T27] 5 locks held by kworker/u4:5/4295: [ 216.867671][ T27] #0: ffff0000c038c138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x67c/0x1178 [ 216.869058][ T27] #1: ffff8000204f7c40 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 216.870411][ T27] #2: ffff8000164abd50 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0xab8 [ 216.871723][ T27] #3: ffff8000164b78e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 216.872949][ T27] #4: ffff800014565f28 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x340/0x674 [ 216.874442][ T27] 3 locks held by kworker/0:5/4404: [ 216.875154][ T27] #0: ffff0000d3810d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x67c/0x1178 [ 216.881127][ T27] #1: ffff80001f767c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 216.882864][ T27] #2: ffff8000164b78e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 216.884290][ T27] 1 lock held by syz-executor/4741: [ 216.885038][ T27] #0: ffff0000e7e3b790 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 216.886946][ T27] 3 locks held by kworker/0:18/4887: [ 216.887674][ T27] #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x67c/0x1178 [ 216.889211][ T27] #1: ffff800020077c40 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 216.890646][ T27] #2: ffff8000164b78e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 216.891862][ T27] 2 locks held by kworker/0:22/4892: [ 216.892732][ T27] #0: ffff0000c0021938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x67c/0x1178 [ 216.894120][ T27] #1: ffff800020117c40 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 216.896522][ T27] 2 locks held by udevd/4929: [ 216.897172][ T27] #0: ffff0000cc064118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6c4 [ 216.898461][ T27] #1: ffff0000cc057468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa0/0x988 [ 216.900115][ T27] 2 locks held by syz.1.621/6777: [ 216.901141][ T4295] device bridge_slave_0 left promiscuous mode [ 216.902040][ T4295] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.903764][ T27] [ 216.904111][ T27] ============================================= [ 216.904111][ T27] [ 216.905308][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 216.906201][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 216.907166][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 216.908421][ T27] Call trace: [ 216.908811][ T27] dump_backtrace+0x0/0x458 [ 216.909463][ T27] show_stack+0x2c/0x3c [ 216.910017][ T27] __dump_stack+0x30/0x40 [ 216.910586][ T27] dump_stack_lvl+0xf4/0x15c [ 216.911237][ T27] dump_stack+0x1c/0x5c [ 216.911789][ T27] panic+0x2fc/0x860 [ 216.912284][ T27] hung_task_panic+0x0/0x2c [ 216.912886][ T27] kthread+0x37c/0x460 [ 216.913426][ T27] ret_from_fork+0x10/0x20 [ 216.914001][ T27] SMP: stopping secondary CPUs [ 216.914679][ T27] Kernel Offset: disabled [ 216.915213][ T27] CPU features: 0xa,000003c1,7d33ffd9 [ 216.915930][ T27] Memory Limit: none [ 217.313633][ T27] Rebooting in 86400 seconds..