47492][ T6365] gfs2: fsid=](_: error -17 adding sysfs files [ 193.113347][ T6368] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 193.114583][ T6368] CPU: 0 PID: 6368 Comm: syz.1.555 Not tainted syzkaller #0 [ 193.115772][ T6368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 193.117507][ T6368] Call trace: [ 193.118069][ T6368] dump_backtrace+0x0/0x458 [ 193.118996][ T6368] show_stack+0x2c/0x3c [ 193.119813][ T6368] __dump_stack+0x30/0x40 [ 193.120594][ T6368] dump_stack_lvl+0xf4/0x15c [ 193.121415][ T6368] dump_stack+0x1c/0x5c [ 193.122256][ T6368] sysfs_create_dir_ns+0x244/0x264 [ 193.123292][ T6368] kobject_add_internal+0x594/0xc2c [ 193.124327][ T6368] kobject_init_and_add+0x128/0x194 [ 193.125426][ T6368] gfs2_sys_fs_add+0x208/0x428 [ 193.126216][ T6368] gfs2_fill_super+0xe20/0x1a9c [ 193.127055][ T6368] get_tree_bdev+0x35c/0x54c [ 193.127798][ T6368] gfs2_get_tree+0x58/0x1b8 [ 193.128620][ T6368] vfs_get_tree+0x90/0x278 [ 193.129351][ T6368] do_new_mount+0x228/0x804 [ 193.130146][ T6368] path_mount+0x57c/0xfe8 [ 193.130856][ T6368] __arm64_sys_mount+0x488/0x5f8 [ 193.131709][ T6368] invoke_syscall+0x98/0x28c [ 193.132495][ T6368] el0_svc_common+0x13c/0x258 [ 193.133300][ T6368] do_el0_svc+0x5c/0x140 [ 193.134055][ T6368] el0_svc+0x78/0x1d0 [ 193.134734][ T6368] el0t_64_sync_handler+0xcc/0xe4 [ 193.135591][ T6368] el0t_64_sync+0x1a0/0x1a4 [ 193.138070][ T6368] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.140391][ T6368] gfs2: fsid=](_: error -17 adding sysfs files [ 193.389460][ T6371] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 193.390718][ T6371] CPU: 1 PID: 6371 Comm: syz.1.556 Not tainted syzkaller #0 [ 193.391903][ T6371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 193.393574][ T6371] Call trace: [ 193.394139][ T6371] dump_backtrace+0x0/0x458 [ 193.394872][ T6371] show_stack+0x2c/0x3c [ 193.395540][ T6371] __dump_stack+0x30/0x40 [ 193.396214][ T6371] dump_stack_lvl+0xf4/0x15c [ 193.396974][ T6371] dump_stack+0x1c/0x5c [ 193.397654][ T6371] sysfs_create_dir_ns+0x244/0x264 [ 193.398522][ T6371] kobject_add_internal+0x594/0xc2c [ 193.399430][ T6371] kobject_init_and_add+0x128/0x194 [ 193.400317][ T6371] gfs2_sys_fs_add+0x208/0x428 [ 193.401128][ T6371] gfs2_fill_super+0xe20/0x1a9c [ 193.401964][ T6371] get_tree_bdev+0x35c/0x54c [ 193.402768][ T6371] gfs2_get_tree+0x58/0x1b8 [ 193.403565][ T6371] vfs_get_tree+0x90/0x278 [ 193.404337][ T6371] do_new_mount+0x228/0x804 [ 193.405093][ T6371] path_mount+0x57c/0xfe8 [ 193.405854][ T6371] __arm64_sys_mount+0x488/0x5f8 [ 193.406727][ T6371] invoke_syscall+0x98/0x28c [ 193.407594][ T6371] el0_svc_common+0x13c/0x258 [ 193.408411][ T6371] do_el0_svc+0x5c/0x140 [ 193.409181][ T6371] el0_svc+0x78/0x1d0 [ 193.409889][ T6371] el0t_64_sync_handler+0xcc/0xe4 [ 193.410815][ T6371] el0t_64_sync+0x1a0/0x1a4 [ 193.411822][ T6371] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.413836][ T6371] gfs2: fsid=](_: error -17 adding sysfs files [ 193.620591][ T6374] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 193.621900][ T6374] CPU: 1 PID: 6374 Comm: syz.1.557 Not tainted syzkaller #0 [ 193.623241][ T6374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 193.625255][ T6374] Call trace: [ 193.625889][ T6374] dump_backtrace+0x0/0x458 [ 193.626735][ T6374] show_stack+0x2c/0x3c [ 193.627479][ T6374] __dump_stack+0x30/0x40 [ 193.628275][ T6374] dump_stack_lvl+0xf4/0x15c [ 193.629017][ T6374] dump_stack+0x1c/0x5c [ 193.629858][ T6374] sysfs_create_dir_ns+0x244/0x264 [ 193.630871][ T6374] kobject_add_internal+0x594/0xc2c [ 193.631809][ T6374] kobject_init_and_add+0x128/0x194 [ 193.632777][ T6374] gfs2_sys_fs_add+0x208/0x428 [ 193.633754][ T6374] gfs2_fill_super+0xe20/0x1a9c [ 193.634734][ T6374] get_tree_bdev+0x35c/0x54c [ 193.635693][ T6374] gfs2_get_tree+0x58/0x1b8 [ 193.636485][ T6374] vfs_get_tree+0x90/0x278 [ 193.637244][ T6374] do_new_mount+0x228/0x804 [ 193.637987][ T6374] path_mount+0x57c/0xfe8 [ 193.638734][ T6374] __arm64_sys_mount+0x488/0x5f8 [ 193.639592][ T6374] invoke_syscall+0x98/0x28c [ 193.640413][ T6374] el0_svc_common+0x13c/0x258 [ 193.641233][ T6374] do_el0_svc+0x5c/0x140 [ 193.641980][ T6374] el0_svc+0x78/0x1d0 [ 193.642651][ T6374] el0t_64_sync_handler+0xcc/0xe4 [ 193.643493][ T6374] el0t_64_sync+0x1a0/0x1a4 [ 193.644466][ T6374] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.646558][ T6374] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:13 executed programs: 544 [ 193.830506][ T6377] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 193.831711][ T6377] CPU: 1 PID: 6377 Comm: syz.1.558 Not tainted syzkaller #0 [ 193.832884][ T6377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 193.834570][ T6377] Call trace: [ 193.835102][ T6377] dump_backtrace+0x0/0x458 [ 193.835800][ T6377] show_stack+0x2c/0x3c [ 193.836578][ T6377] __dump_stack+0x30/0x40 [ 193.837410][ T6377] dump_stack_lvl+0xf4/0x15c [ 193.838292][ T6377] dump_stack+0x1c/0x5c [ 193.839106][ T6377] sysfs_create_dir_ns+0x244/0x264 [ 193.840124][ T6377] kobject_add_internal+0x594/0xc2c [ 193.841154][ T6377] kobject_init_and_add+0x128/0x194 [ 193.842176][ T6377] gfs2_sys_fs_add+0x208/0x428 [ 193.843140][ T6377] gfs2_fill_super+0xe20/0x1a9c [ 193.843963][ T6377] get_tree_bdev+0x35c/0x54c [ 193.844763][ T6377] gfs2_get_tree+0x58/0x1b8 [ 193.845538][ T6377] vfs_get_tree+0x90/0x278 [ 193.846314][ T6377] do_new_mount+0x228/0x804 [ 193.847123][ T6377] path_mount+0x57c/0xfe8 [ 193.847891][ T6377] __arm64_sys_mount+0x488/0x5f8 [ 193.848739][ T6377] invoke_syscall+0x98/0x28c [ 193.849478][ T6377] el0_svc_common+0x13c/0x258 [ 193.850272][ T6377] do_el0_svc+0x5c/0x140 [ 193.850948][ T6377] el0_svc+0x78/0x1d0 [ 193.851620][ T6377] el0t_64_sync_handler+0xcc/0xe4 [ 193.852499][ T6377] el0t_64_sync+0x1a0/0x1a4 [ 193.853669][ T6377] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.855877][ T6377] gfs2: fsid=](_: error -17 adding sysfs files [ 193.997770][ T6380] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 193.999114][ T6380] CPU: 1 PID: 6380 Comm: syz.1.559 Not tainted syzkaller #0 [ 194.000403][ T6380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 194.002170][ T6380] Call trace: [ 194.002799][ T6380] dump_backtrace+0x0/0x458 [ 194.003628][ T6380] show_stack+0x2c/0x3c [ 194.004388][ T6380] __dump_stack+0x30/0x40 [ 194.005279][ T6380] dump_stack_lvl+0xf4/0x15c [ 194.006238][ T6380] dump_stack+0x1c/0x5c [ 194.006998][ T6380] sysfs_create_dir_ns+0x244/0x264 [ 194.007855][ T6380] kobject_add_internal+0x594/0xc2c [ 194.008733][ T6380] kobject_init_and_add+0x128/0x194 [ 194.009664][ T6380] gfs2_sys_fs_add+0x208/0x428 [ 194.010454][ T6380] gfs2_fill_super+0xe20/0x1a9c [ 194.011322][ T6380] get_tree_bdev+0x35c/0x54c [ 194.012075][ T6380] gfs2_get_tree+0x58/0x1b8 [ 194.012851][ T6380] vfs_get_tree+0x90/0x278 [ 194.013665][ T6380] do_new_mount+0x228/0x804 [ 194.014444][ T6380] path_mount+0x57c/0xfe8 [ 194.015188][ T6380] __arm64_sys_mount+0x488/0x5f8 [ 194.016030][ T6380] invoke_syscall+0x98/0x28c [ 194.016773][ T6380] el0_svc_common+0x13c/0x258 [ 194.017585][ T6380] do_el0_svc+0x5c/0x140 [ 194.018369][ T6380] el0_svc+0x78/0x1d0 [ 194.019046][ T6380] el0t_64_sync_handler+0xcc/0xe4 [ 194.019948][ T6380] el0t_64_sync+0x1a0/0x1a4 [ 194.023937][ T6380] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.026249][ T6380] gfs2: fsid=](_: error -17 adding sysfs files [ 194.229718][ T6383] set_capacity_and_notify: 13 callbacks suppressed [ 194.229727][ T6383] loop1: detected capacity change from 0 to 32768 [ 194.280576][ T6383] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 194.281737][ T6383] CPU: 0 PID: 6383 Comm: syz.1.560 Not tainted syzkaller #0 [ 194.282985][ T6383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 194.284840][ T6383] Call trace: [ 194.285423][ T6383] dump_backtrace+0x0/0x458 [ 194.286327][ T6383] show_stack+0x2c/0x3c [ 194.287064][ T6383] __dump_stack+0x30/0x40 [ 194.287781][ T6383] dump_stack_lvl+0xf4/0x15c [ 194.288540][ T6383] dump_stack+0x1c/0x5c [ 194.289282][ T6383] sysfs_create_dir_ns+0x244/0x264 [ 194.290283][ T6383] kobject_add_internal+0x594/0xc2c [ 194.291259][ T6383] kobject_init_and_add+0x128/0x194 [ 194.292094][ T6383] gfs2_sys_fs_add+0x208/0x428 [ 194.292896][ T6383] gfs2_fill_super+0xe20/0x1a9c [ 194.293711][ T6383] get_tree_bdev+0x35c/0x54c [ 194.294523][ T6383] gfs2_get_tree+0x58/0x1b8 [ 194.295263][ T6383] vfs_get_tree+0x90/0x278 [ 194.296017][ T6383] do_new_mount+0x228/0x804 [ 194.296821][ T6383] path_mount+0x57c/0xfe8 [ 194.297551][ T6383] __arm64_sys_mount+0x488/0x5f8 [ 194.298575][ T6383] invoke_syscall+0x98/0x28c [ 194.299446][ T6383] el0_svc_common+0x13c/0x258 [ 194.300359][ T6383] do_el0_svc+0x5c/0x140 [ 194.301160][ T6383] el0_svc+0x78/0x1d0 [ 194.301948][ T6383] el0t_64_sync_handler+0xcc/0xe4 [ 194.302925][ T6383] el0t_64_sync+0x1a0/0x1a4 [ 194.304366][ T6383] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.306454][ T6383] gfs2: fsid=](_: error -17 adding sysfs files [ 194.441117][ T6386] loop1: detected capacity change from 0 to 32768 [ 194.448325][ T6386] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 194.449910][ T6386] CPU: 0 PID: 6386 Comm: syz.1.561 Not tainted syzkaller #0 [ 194.451179][ T6386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 194.452950][ T6386] Call trace: [ 194.453494][ T6386] dump_backtrace+0x0/0x458 [ 194.454335][ T6386] show_stack+0x2c/0x3c [ 194.455086][ T6386] __dump_stack+0x30/0x40 [ 194.455877][ T6386] dump_stack_lvl+0xf4/0x15c [ 194.456701][ T6386] dump_stack+0x1c/0x5c [ 194.457401][ T6386] sysfs_create_dir_ns+0x244/0x264 [ 194.458286][ T6386] kobject_add_internal+0x594/0xc2c [ 194.459369][ T6386] kobject_init_and_add+0x128/0x194 [ 194.460444][ T6386] gfs2_sys_fs_add+0x208/0x428 [ 194.461467][ T6386] gfs2_fill_super+0xe20/0x1a9c [ 194.462338][ T6386] get_tree_bdev+0x35c/0x54c [ 194.463158][ T6386] gfs2_get_tree+0x58/0x1b8 [ 194.463885][ T6386] vfs_get_tree+0x90/0x278 [ 194.464768][ T6386] do_new_mount+0x228/0x804 [ 194.465651][ T6386] path_mount+0x57c/0xfe8 [ 194.466493][ T6386] __arm64_sys_mount+0x488/0x5f8 [ 194.467439][ T6386] invoke_syscall+0x98/0x28c [ 194.468347][ T6386] el0_svc_common+0x13c/0x258 [ 194.469258][ T6386] do_el0_svc+0x5c/0x140 [ 194.469962][ T6386] el0_svc+0x78/0x1d0 [ 194.470641][ T6386] el0t_64_sync_handler+0xcc/0xe4 [ 194.471489][ T6386] el0t_64_sync+0x1a0/0x1a4 [ 194.473726][ T6386] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.475703][ T6386] gfs2: fsid=](_: error -17 adding sysfs files [ 194.608065][ T6389] loop1: detected capacity change from 0 to 32768 [ 194.615582][ T6389] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 194.616868][ T6389] CPU: 1 PID: 6389 Comm: syz.1.562 Not tainted syzkaller #0 [ 194.618031][ T6389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 194.619734][ T6389] Call trace: [ 194.620409][ T6389] dump_backtrace+0x0/0x458 [ 194.621345][ T6389] show_stack+0x2c/0x3c [ 194.622110][ T6389] __dump_stack+0x30/0x40 [ 194.622805][ T6389] dump_stack_lvl+0xf4/0x15c [ 194.623529][ T6389] dump_stack+0x1c/0x5c [ 194.624209][ T6389] sysfs_create_dir_ns+0x244/0x264 [ 194.625128][ T6389] kobject_add_internal+0x594/0xc2c [ 194.625999][ T6389] kobject_init_and_add+0x128/0x194 [ 194.626812][ T6389] gfs2_sys_fs_add+0x208/0x428 [ 194.627638][ T6389] gfs2_fill_super+0xe20/0x1a9c [ 194.628435][ T6389] get_tree_bdev+0x35c/0x54c [ 194.629208][ T6389] gfs2_get_tree+0x58/0x1b8 [ 194.630013][ T6389] vfs_get_tree+0x90/0x278 [ 194.630833][ T6389] do_new_mount+0x228/0x804 [ 194.631612][ T6389] path_mount+0x57c/0xfe8 [ 194.632304][ T6389] __arm64_sys_mount+0x488/0x5f8 [ 194.633118][ T6389] invoke_syscall+0x98/0x28c [ 194.633921][ T6389] el0_svc_common+0x13c/0x258 [ 194.634762][ T6389] do_el0_svc+0x5c/0x140 [ 194.635536][ T6389] el0_svc+0x78/0x1d0 [ 194.636197][ T6389] el0t_64_sync_handler+0xcc/0xe4 [ 194.637086][ T6389] el0t_64_sync+0x1a0/0x1a4 [ 194.639802][ T6389] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.641941][ T6389] gfs2: fsid=](_: error -17 adding sysfs files [ 194.769912][ T6392] loop1: detected capacity change from 0 to 32768 [ 194.820651][ T6392] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 194.822178][ T6392] CPU: 0 PID: 6392 Comm: syz.1.563 Not tainted syzkaller #0 [ 194.823412][ T6392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 194.825389][ T6392] Call trace: [ 194.825985][ T6392] dump_backtrace+0x0/0x458 [ 194.826808][ T6392] show_stack+0x2c/0x3c [ 194.827652][ T6392] __dump_stack+0x30/0x40 [ 194.828377][ T6392] dump_stack_lvl+0xf4/0x15c [ 194.829107][ T6392] dump_stack+0x1c/0x5c [ 194.829789][ T6392] sysfs_create_dir_ns+0x244/0x264 [ 194.830590][ T6392] kobject_add_internal+0x594/0xc2c [ 194.831496][ T6392] kobject_init_and_add+0x128/0x194 [ 194.832358][ T6392] gfs2_sys_fs_add+0x208/0x428 [ 194.833186][ T6392] gfs2_fill_super+0xe20/0x1a9c [ 194.834027][ T6392] get_tree_bdev+0x35c/0x54c [ 194.834850][ T6392] gfs2_get_tree+0x58/0x1b8 [ 194.835633][ T6392] vfs_get_tree+0x90/0x278 [ 194.836400][ T6392] do_new_mount+0x228/0x804 [ 194.837203][ T6392] path_mount+0x57c/0xfe8 [ 194.837983][ T6392] __arm64_sys_mount+0x488/0x5f8 [ 194.838873][ T6392] invoke_syscall+0x98/0x28c [ 194.839761][ T6392] el0_svc_common+0x13c/0x258 [ 194.840624][ T6392] do_el0_svc+0x5c/0x140 [ 194.841491][ T6392] el0_svc+0x78/0x1d0 [ 194.842232][ T6392] el0t_64_sync_handler+0xcc/0xe4 [ 194.843157][ T6392] el0t_64_sync+0x1a0/0x1a4 [ 194.845932][ T6392] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.847963][ T6392] gfs2: fsid=](_: error -17 adding sysfs files [ 194.977556][ T6395] loop1: detected capacity change from 0 to 32768 [ 195.020506][ T6395] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 195.021674][ T6395] CPU: 0 PID: 6395 Comm: syz.1.564 Not tainted syzkaller #0 [ 195.022802][ T6395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 195.024489][ T6395] Call trace: [ 195.025036][ T6395] dump_backtrace+0x0/0x458 [ 195.025804][ T6395] show_stack+0x2c/0x3c [ 195.026536][ T6395] __dump_stack+0x30/0x40 [ 195.027366][ T6395] dump_stack_lvl+0xf4/0x15c [ 195.028142][ T6395] dump_stack+0x1c/0x5c [ 195.028895][ T6395] sysfs_create_dir_ns+0x244/0x264 [ 195.029802][ T6395] kobject_add_internal+0x594/0xc2c [ 195.030697][ T6395] kobject_init_and_add+0x128/0x194 [ 195.031549][ T6395] gfs2_sys_fs_add+0x208/0x428 [ 195.032399][ T6395] gfs2_fill_super+0xe20/0x1a9c [ 195.033283][ T6395] get_tree_bdev+0x35c/0x54c [ 195.034093][ T6395] gfs2_get_tree+0x58/0x1b8 [ 195.034834][ T6395] vfs_get_tree+0x90/0x278 [ 195.035635][ T6395] do_new_mount+0x228/0x804 [ 195.036356][ T6395] path_mount+0x57c/0xfe8 [ 195.037065][ T6395] __arm64_sys_mount+0x488/0x5f8 [ 195.037896][ T6395] invoke_syscall+0x98/0x28c [ 195.038654][ T6395] el0_svc_common+0x13c/0x258 [ 195.039490][ T6395] do_el0_svc+0x5c/0x140 [ 195.040341][ T6395] el0_svc+0x78/0x1d0 [ 195.041109][ T6395] el0t_64_sync_handler+0xcc/0xe4 [ 195.042093][ T6395] el0t_64_sync+0x1a0/0x1a4 [ 195.044263][ T6395] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.046453][ T6395] gfs2: fsid=](_: error -17 adding sysfs files [ 195.181380][ T6398] loop1: detected capacity change from 0 to 32768 [ 195.232861][ T6398] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 195.234132][ T6398] CPU: 1 PID: 6398 Comm: syz.1.565 Not tainted syzkaller #0 [ 195.235354][ T6398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 195.237094][ T6398] Call trace: [ 195.237608][ T6398] dump_backtrace+0x0/0x458 [ 195.238367][ T6398] show_stack+0x2c/0x3c [ 195.239142][ T6398] __dump_stack+0x30/0x40 [ 195.239995][ T6398] dump_stack_lvl+0xf4/0x15c [ 195.240856][ T6398] dump_stack+0x1c/0x5c [ 195.241656][ T6398] sysfs_create_dir_ns+0x244/0x264 [ 195.242578][ T6398] kobject_add_internal+0x594/0xc2c [ 195.243604][ T6398] kobject_init_and_add+0x128/0x194 [ 195.244650][ T6398] gfs2_sys_fs_add+0x208/0x428 [ 195.245511][ T6398] gfs2_fill_super+0xe20/0x1a9c [ 195.246335][ T6398] get_tree_bdev+0x35c/0x54c [ 195.247168][ T6398] gfs2_get_tree+0x58/0x1b8 [ 195.247931][ T6398] vfs_get_tree+0x90/0x278 [ 195.248690][ T6398] do_new_mount+0x228/0x804 [ 195.249435][ T6398] path_mount+0x57c/0xfe8 [ 195.250172][ T6398] __arm64_sys_mount+0x488/0x5f8 [ 195.251036][ T6398] invoke_syscall+0x98/0x28c [ 195.251853][ T6398] el0_svc_common+0x13c/0x258 [ 195.252687][ T6398] do_el0_svc+0x5c/0x140 [ 195.253450][ T6398] el0_svc+0x78/0x1d0 [ 195.254136][ T6398] el0t_64_sync_handler+0xcc/0xe4 [ 195.255002][ T6398] el0t_64_sync+0x1a0/0x1a4 [ 195.257140][ T6398] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.259138][ T6398] gfs2: fsid=](_: error -17 adding sysfs files [ 195.389885][ T6401] loop1: detected capacity change from 0 to 32768 [ 195.397505][ T6401] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 195.398746][ T6401] CPU: 0 PID: 6401 Comm: syz.1.566 Not tainted syzkaller #0 [ 195.399905][ T6401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 195.401592][ T6401] Call trace: [ 195.402193][ T6401] dump_backtrace+0x0/0x458 [ 195.402964][ T6401] show_stack+0x2c/0x3c [ 195.403693][ T6401] __dump_stack+0x30/0x40 [ 195.404468][ T6401] dump_stack_lvl+0xf4/0x15c [ 195.405393][ T6401] dump_stack+0x1c/0x5c [ 195.406124][ T6401] sysfs_create_dir_ns+0x244/0x264 [ 195.407149][ T6401] kobject_add_internal+0x594/0xc2c [ 195.408205][ T6401] kobject_init_and_add+0x128/0x194 [ 195.409122][ T6401] gfs2_sys_fs_add+0x208/0x428 [ 195.409958][ T6401] gfs2_fill_super+0xe20/0x1a9c [ 195.410798][ T6401] get_tree_bdev+0x35c/0x54c [ 195.411623][ T6401] gfs2_get_tree+0x58/0x1b8 [ 195.412410][ T6401] vfs_get_tree+0x90/0x278 [ 195.413162][ T6401] do_new_mount+0x228/0x804 [ 195.413944][ T6401] path_mount+0x57c/0xfe8 [ 195.414813][ T6401] __arm64_sys_mount+0x488/0x5f8 [ 195.415696][ T6401] invoke_syscall+0x98/0x28c [ 195.416471][ T6401] el0_svc_common+0x13c/0x258 [ 195.417224][ T6401] do_el0_svc+0x5c/0x140 [ 195.417882][ T6401] el0_svc+0x78/0x1d0 [ 195.418561][ T6401] el0t_64_sync_handler+0xcc/0xe4 [ 195.419450][ T6401] el0t_64_sync+0x1a0/0x1a4 [ 195.420718][ T6401] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.422863][ T6401] gfs2: fsid=](_: error -17 adding sysfs files [ 195.560142][ T6404] loop1: detected capacity change from 0 to 32768 [ 195.600907][ T6404] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 195.602229][ T6404] CPU: 0 PID: 6404 Comm: syz.1.567 Not tainted syzkaller #0 [ 195.603434][ T6404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 195.605155][ T6404] Call trace: [ 195.605647][ T6404] dump_backtrace+0x0/0x458 [ 195.606441][ T6404] show_stack+0x2c/0x3c [ 195.607125][ T6404] __dump_stack+0x30/0x40 [ 195.607888][ T6404] dump_stack_lvl+0xf4/0x15c [ 195.608728][ T6404] dump_stack+0x1c/0x5c [ 195.609425][ T6404] sysfs_create_dir_ns+0x244/0x264 [ 195.610298][ T6404] kobject_add_internal+0x594/0xc2c [ 195.611244][ T6404] kobject_init_and_add+0x128/0x194 [ 195.612146][ T6404] gfs2_sys_fs_add+0x208/0x428 [ 195.612978][ T6404] gfs2_fill_super+0xe20/0x1a9c [ 195.613825][ T6404] get_tree_bdev+0x35c/0x54c [ 195.614609][ T6404] gfs2_get_tree+0x58/0x1b8 [ 195.615347][ T6404] vfs_get_tree+0x90/0x278 [ 195.616050][ T6404] do_new_mount+0x228/0x804 [ 195.616859][ T6404] path_mount+0x57c/0xfe8 [ 195.617604][ T6404] __arm64_sys_mount+0x488/0x5f8 [ 195.618446][ T6404] invoke_syscall+0x98/0x28c [ 195.619167][ T6404] el0_svc_common+0x13c/0x258 [ 195.619946][ T6404] do_el0_svc+0x5c/0x140 [ 195.620743][ T6404] el0_svc+0x78/0x1d0 [ 195.621411][ T6404] el0t_64_sync_handler+0xcc/0xe4 [ 195.622271][ T6404] el0t_64_sync+0x1a0/0x1a4 [ 195.625494][ T6404] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.627594][ T6404] gfs2: fsid=](_: error -17 adding sysfs files [ 195.759683][ T6407] loop1: detected capacity change from 0 to 32768 [ 195.766613][ T6407] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 195.767776][ T6407] CPU: 1 PID: 6407 Comm: syz.1.568 Not tainted syzkaller #0 [ 195.768962][ T6407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 195.770770][ T6407] Call trace: [ 195.771369][ T6407] dump_backtrace+0x0/0x458 [ 195.772193][ T6407] show_stack+0x2c/0x3c [ 195.772973][ T6407] __dump_stack+0x30/0x40 [ 195.773749][ T6407] dump_stack_lvl+0xf4/0x15c [ 195.774657][ T6407] dump_stack+0x1c/0x5c [ 195.775411][ T6407] sysfs_create_dir_ns+0x244/0x264 [ 195.776315][ T6407] kobject_add_internal+0x594/0xc2c [ 195.777258][ T6407] kobject_init_and_add+0x128/0x194 [ 195.778212][ T6407] gfs2_sys_fs_add+0x208/0x428 [ 195.779176][ T6407] gfs2_fill_super+0xe20/0x1a9c [ 195.780046][ T6407] get_tree_bdev+0x35c/0x54c [ 195.780850][ T6407] gfs2_get_tree+0x58/0x1b8 [ 195.781620][ T6407] vfs_get_tree+0x90/0x278 [ 195.782471][ T6407] do_new_mount+0x228/0x804 [ 195.783252][ T6407] path_mount+0x57c/0xfe8 [ 195.784008][ T6407] __arm64_sys_mount+0x488/0x5f8 [ 195.784871][ T6407] invoke_syscall+0x98/0x28c [ 195.785624][ T6407] el0_svc_common+0x13c/0x258 [ 195.786404][ T6407] do_el0_svc+0x5c/0x140 [ 195.787103][ T6407] el0_svc+0x78/0x1d0 [ 195.787732][ T6407] el0t_64_sync_handler+0xcc/0xe4 [ 195.788660][ T6407] el0t_64_sync+0x1a0/0x1a4 [ 195.792385][ T6407] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.794545][ T6407] gfs2: fsid=](_: error -17 adding sysfs files [ 195.956575][ T6410] loop1: detected capacity change from 0 to 32768 [ 196.005608][ T6410] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 196.006889][ T6410] CPU: 0 PID: 6410 Comm: syz.1.569 Not tainted syzkaller #0 [ 196.008148][ T6410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 196.009804][ T6410] Call trace: [ 196.010413][ T6410] dump_backtrace+0x0/0x458 [ 196.011183][ T6410] show_stack+0x2c/0x3c [ 196.011833][ T6410] __dump_stack+0x30/0x40 [ 196.012602][ T6410] dump_stack_lvl+0xf4/0x15c [ 196.013346][ T6410] dump_stack+0x1c/0x5c [ 196.014091][ T6410] sysfs_create_dir_ns+0x244/0x264 [ 196.014944][ T6410] kobject_add_internal+0x594/0xc2c [ 196.015759][ T6410] kobject_init_and_add+0x128/0x194 [ 196.016620][ T6410] gfs2_sys_fs_add+0x208/0x428 [ 196.017421][ T6410] gfs2_fill_super+0xe20/0x1a9c [ 196.018222][ T6410] get_tree_bdev+0x35c/0x54c [ 196.018992][ T6410] gfs2_get_tree+0x58/0x1b8 [ 196.019748][ T6410] vfs_get_tree+0x90/0x278 [ 196.020544][ T6410] do_new_mount+0x228/0x804 [ 196.021280][ T6410] path_mount+0x57c/0xfe8 [ 196.022028][ T6410] __arm64_sys_mount+0x488/0x5f8 [ 196.022920][ T6410] invoke_syscall+0x98/0x28c [ 196.023732][ T6410] el0_svc_common+0x13c/0x258 [ 196.024679][ T6410] do_el0_svc+0x5c/0x140 [ 196.025497][ T6410] el0_svc+0x78/0x1d0 [ 196.026197][ T6410] el0t_64_sync_handler+0xcc/0xe4 [ 196.027117][ T6410] el0t_64_sync+0x1a0/0x1a4 [ 196.028255][ T6410] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.030457][ T6410] gfs2: fsid=](_: error -17 adding sysfs files [ 196.204274][ T6413] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 196.205533][ T6413] CPU: 0 PID: 6413 Comm: syz.1.570 Not tainted syzkaller #0 [ 196.206887][ T6413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 196.208694][ T6413] Call trace: [ 196.209297][ T6413] dump_backtrace+0x0/0x458 [ 196.210187][ T6413] show_stack+0x2c/0x3c [ 196.210922][ T6413] __dump_stack+0x30/0x40 [ 196.211667][ T6413] dump_stack_lvl+0xf4/0x15c [ 196.212436][ T6413] dump_stack+0x1c/0x5c [ 196.213276][ T6413] sysfs_create_dir_ns+0x244/0x264 [ 196.214262][ T6413] kobject_add_internal+0x594/0xc2c [ 196.215198][ T6413] kobject_init_and_add+0x128/0x194 [ 196.216120][ T6413] gfs2_sys_fs_add+0x208/0x428 [ 196.217015][ T6413] gfs2_fill_super+0xe20/0x1a9c [ 196.217898][ T6413] get_tree_bdev+0x35c/0x54c [ 196.218691][ T6413] gfs2_get_tree+0x58/0x1b8 [ 196.219471][ T6413] vfs_get_tree+0x90/0x278 [ 196.220253][ T6413] do_new_mount+0x228/0x804 [ 196.221073][ T6413] path_mount+0x57c/0xfe8 [ 196.221847][ T6413] __arm64_sys_mount+0x488/0x5f8 [ 196.222736][ T6413] invoke_syscall+0x98/0x28c [ 196.223658][ T6413] el0_svc_common+0x13c/0x258 [ 196.224499][ T6413] do_el0_svc+0x5c/0x140 [ 196.225230][ T6413] el0_svc+0x78/0x1d0 [ 196.225892][ T6413] el0t_64_sync_handler+0xcc/0xe4 [ 196.226727][ T6413] el0t_64_sync+0x1a0/0x1a4 [ 196.227646][ T6413] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.230395][ T6413] gfs2: fsid=](_: error -17 adding sysfs files [ 196.370595][ T6416] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 196.371817][ T6416] CPU: 1 PID: 6416 Comm: syz.1.571 Not tainted syzkaller #0 [ 196.373156][ T6416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 196.374910][ T6416] Call trace: [ 196.375498][ T6416] dump_backtrace+0x0/0x458 [ 196.376333][ T6416] show_stack+0x2c/0x3c [ 196.377080][ T6416] __dump_stack+0x30/0x40 [ 196.377951][ T6416] dump_stack_lvl+0xf4/0x15c [ 196.378805][ T6416] dump_stack+0x1c/0x5c [ 196.379511][ T6416] sysfs_create_dir_ns+0x244/0x264 [ 196.380375][ T6416] kobject_add_internal+0x594/0xc2c [ 196.381262][ T6416] kobject_init_and_add+0x128/0x194 [ 196.382164][ T6416] gfs2_sys_fs_add+0x208/0x428 [ 196.383125][ T6416] gfs2_fill_super+0xe20/0x1a9c [ 196.384107][ T6416] get_tree_bdev+0x35c/0x54c [ 196.385052][ T6416] gfs2_get_tree+0x58/0x1b8 [ 196.385902][ T6416] vfs_get_tree+0x90/0x278 [ 196.386807][ T6416] do_new_mount+0x228/0x804 [ 196.387704][ T6416] path_mount+0x57c/0xfe8 [ 196.388604][ T6416] __arm64_sys_mount+0x488/0x5f8 [ 196.389575][ T6416] invoke_syscall+0x98/0x28c [ 196.390529][ T6416] el0_svc_common+0x13c/0x258 [ 196.391467][ T6416] do_el0_svc+0x5c/0x140 [ 196.392294][ T6416] el0_svc+0x78/0x1d0 [ 196.393127][ T6416] el0t_64_sync_handler+0xcc/0xe4 [ 196.394013][ T6416] el0t_64_sync+0x1a0/0x1a4 [ 196.396245][ T6416] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.398501][ T6416] gfs2: fsid=](_: error -17 adding sysfs files [ 196.613374][ T6419] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 196.614647][ T6419] CPU: 1 PID: 6419 Comm: syz.1.572 Not tainted syzkaller #0 [ 196.615847][ T6419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 196.617351][ T6419] Call trace: [ 196.617875][ T6419] dump_backtrace+0x0/0x458 [ 196.618582][ T6419] show_stack+0x2c/0x3c [ 196.619250][ T6419] __dump_stack+0x30/0x40 [ 196.619982][ T6419] dump_stack_lvl+0xf4/0x15c [ 196.620750][ T6419] dump_stack+0x1c/0x5c [ 196.621502][ T6419] sysfs_create_dir_ns+0x244/0x264 [ 196.622405][ T6419] kobject_add_internal+0x594/0xc2c [ 196.623505][ T6419] kobject_init_and_add+0x128/0x194 [ 196.624466][ T6419] gfs2_sys_fs_add+0x208/0x428 [ 196.625296][ T6419] gfs2_fill_super+0xe20/0x1a9c [ 196.626149][ T6419] get_tree_bdev+0x35c/0x54c [ 196.626931][ T6419] gfs2_get_tree+0x58/0x1b8 [ 196.627753][ T6419] vfs_get_tree+0x90/0x278 [ 196.628592][ T6419] do_new_mount+0x228/0x804 [ 196.629390][ T6419] path_mount+0x57c/0xfe8 [ 196.630159][ T6419] __arm64_sys_mount+0x488/0x5f8 [ 196.631044][ T6419] invoke_syscall+0x98/0x28c [ 196.631876][ T6419] el0_svc_common+0x13c/0x258 [ 196.632708][ T6419] do_el0_svc+0x5c/0x140 [ 196.633556][ T6419] el0_svc+0x78/0x1d0 [ 196.634356][ T6419] el0t_64_sync_handler+0xcc/0xe4 [ 196.635329][ T6419] el0t_64_sync+0x1a0/0x1a4 [ 196.637656][ T6419] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.639918][ T6419] gfs2: fsid=](_: error -17 adding sysfs files [ 196.855071][ T6422] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 196.856308][ T6422] CPU: 1 PID: 6422 Comm: syz.1.573 Not tainted syzkaller #0 [ 196.857497][ T6422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 196.859333][ T6422] Call trace: [ 196.859962][ T6422] dump_backtrace+0x0/0x458 [ 196.860877][ T6422] show_stack+0x2c/0x3c [ 196.861624][ T6422] __dump_stack+0x30/0x40 [ 196.862404][ T6422] dump_stack_lvl+0xf4/0x15c [ 196.863166][ T6422] dump_stack+0x1c/0x5c [ 196.863929][ T6422] sysfs_create_dir_ns+0x244/0x264 [ 196.864867][ T6422] kobject_add_internal+0x594/0xc2c [ 196.865807][ T6422] kobject_init_and_add+0x128/0x194 [ 196.866644][ T6422] gfs2_sys_fs_add+0x208/0x428 [ 196.867403][ T6422] gfs2_fill_super+0xe20/0x1a9c [ 196.868214][ T6422] get_tree_bdev+0x35c/0x54c [ 196.868976][ T6422] gfs2_get_tree+0x58/0x1b8 [ 196.869713][ T6422] vfs_get_tree+0x90/0x278 [ 196.870483][ T6422] do_new_mount+0x228/0x804 [ 196.871333][ T6422] path_mount+0x57c/0xfe8 [ 196.872089][ T6422] __arm64_sys_mount+0x488/0x5f8 [ 196.872903][ T6422] invoke_syscall+0x98/0x28c [ 196.873681][ T6422] el0_svc_common+0x13c/0x258 [ 196.874467][ T6422] do_el0_svc+0x5c/0x140 [ 196.875190][ T6422] el0_svc+0x78/0x1d0 [ 196.875911][ T6422] el0t_64_sync_handler+0xcc/0xe4 [ 196.876777][ T6422] el0t_64_sync+0x1a0/0x1a4 [ 196.878959][ T6422] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.881407][ T6422] gfs2: fsid=](_: error -17 adding sysfs files [ 197.100649][ T6425] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 197.101816][ T6425] CPU: 0 PID: 6425 Comm: syz.1.574 Not tainted syzkaller #0 [ 197.102922][ T6425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 197.104435][ T6425] Call trace: [ 197.104929][ T6425] dump_backtrace+0x0/0x458 [ 197.105620][ T6425] show_stack+0x2c/0x3c [ 197.106262][ T6425] __dump_stack+0x30/0x40 [ 197.106955][ T6425] dump_stack_lvl+0xf4/0x15c [ 197.107664][ T6425] dump_stack+0x1c/0x5c [ 197.108310][ T6425] sysfs_create_dir_ns+0x244/0x264 [ 197.109093][ T6425] kobject_add_internal+0x594/0xc2c [ 197.109917][ T6425] kobject_init_and_add+0x128/0x194 [ 197.110904][ T6425] gfs2_sys_fs_add+0x208/0x428 [ 197.111683][ T6425] gfs2_fill_super+0xe20/0x1a9c [ 197.112572][ T6425] get_tree_bdev+0x35c/0x54c [ 197.113390][ T6425] gfs2_get_tree+0x58/0x1b8 [ 197.114159][ T6425] vfs_get_tree+0x90/0x278 [ 197.114914][ T6425] do_new_mount+0x228/0x804 [ 197.115725][ T6425] path_mount+0x57c/0xfe8 [ 197.116431][ T6425] __arm64_sys_mount+0x488/0x5f8 [ 197.117230][ T6425] invoke_syscall+0x98/0x28c [ 197.117959][ T6425] el0_svc_common+0x13c/0x258 [ 197.118763][ T6425] do_el0_svc+0x5c/0x140 [ 197.119462][ T6425] el0_svc+0x78/0x1d0 [ 197.120100][ T6425] el0t_64_sync_handler+0xcc/0xe4 [ 197.120937][ T6425] el0t_64_sync+0x1a0/0x1a4 [ 197.122214][ T6425] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.124306][ T6425] gfs2: fsid=](_: error -17 adding sysfs files [ 197.293788][ T6428] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 197.295133][ T6428] CPU: 0 PID: 6428 Comm: syz.1.575 Not tainted syzkaller #0 [ 197.296357][ T6428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 197.297900][ T6428] Call trace: [ 197.298415][ T6428] dump_backtrace+0x0/0x458 [ 197.299113][ T6428] show_stack+0x2c/0x3c [ 197.299899][ T6428] __dump_stack+0x30/0x40 [ 197.300788][ T6428] dump_stack_lvl+0xf4/0x15c [ 197.301734][ T6428] dump_stack+0x1c/0x5c [ 197.302597][ T6428] sysfs_create_dir_ns+0x244/0x264 [ 197.303642][ T6428] kobject_add_internal+0x594/0xc2c [ 197.304715][ T6428] kobject_init_and_add+0x128/0x194 [ 197.305787][ T6428] gfs2_sys_fs_add+0x208/0x428 [ 197.306596][ T6428] gfs2_fill_super+0xe20/0x1a9c [ 197.307432][ T6428] get_tree_bdev+0x35c/0x54c [ 197.308238][ T6428] gfs2_get_tree+0x58/0x1b8 [ 197.309004][ T6428] vfs_get_tree+0x90/0x278 [ 197.309732][ T6428] do_new_mount+0x228/0x804 [ 197.310486][ T6428] path_mount+0x57c/0xfe8 [ 197.311189][ T6428] __arm64_sys_mount+0x488/0x5f8 [ 197.312052][ T6428] invoke_syscall+0x98/0x28c [ 197.312908][ T6428] el0_svc_common+0x13c/0x258 [ 197.313719][ T6428] do_el0_svc+0x5c/0x140 [ 197.314429][ T6428] el0_svc+0x78/0x1d0 [ 197.315196][ T6428] el0t_64_sync_handler+0xcc/0xe4 [ 197.316185][ T6428] el0t_64_sync+0x1a0/0x1a4 [ 197.318453][ T6428] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.320758][ T6428] gfs2: fsid=](_: error -17 adding sysfs files [ 197.464538][ T6431] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 197.465985][ T6431] CPU: 0 PID: 6431 Comm: syz.1.576 Not tainted syzkaller #0 [ 197.467207][ T6431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 197.468941][ T6431] Call trace: [ 197.469580][ T6431] dump_backtrace+0x0/0x458 [ 197.470519][ T6431] show_stack+0x2c/0x3c [ 197.471374][ T6431] __dump_stack+0x30/0x40 [ 197.472128][ T6431] dump_stack_lvl+0xf4/0x15c [ 197.472906][ T6431] dump_stack+0x1c/0x5c [ 197.473623][ T6431] sysfs_create_dir_ns+0x244/0x264 [ 197.474580][ T6431] kobject_add_internal+0x594/0xc2c [ 197.475517][ T6431] kobject_init_and_add+0x128/0x194 [ 197.476435][ T6431] gfs2_sys_fs_add+0x208/0x428 [ 197.477286][ T6431] gfs2_fill_super+0xe20/0x1a9c [ 197.478227][ T6431] get_tree_bdev+0x35c/0x54c [ 197.479035][ T6431] gfs2_get_tree+0x58/0x1b8 [ 197.479827][ T6431] vfs_get_tree+0x90/0x278 [ 197.480601][ T6431] do_new_mount+0x228/0x804 [ 197.481397][ T6431] path_mount+0x57c/0xfe8 [ 197.482127][ T6431] __arm64_sys_mount+0x488/0x5f8 [ 197.482955][ T6431] invoke_syscall+0x98/0x28c [ 197.483751][ T6431] el0_svc_common+0x13c/0x258 [ 197.484559][ T6431] do_el0_svc+0x5c/0x140 [ 197.485269][ T6431] el0_svc+0x78/0x1d0 [ 197.485957][ T6431] el0t_64_sync_handler+0xcc/0xe4 [ 197.486831][ T6431] el0t_64_sync+0x1a0/0x1a4 [ 197.490762][ T6431] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.492928][ T6431] gfs2: fsid=](_: error -17 adding sysfs files [ 197.743749][ T6434] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 197.745117][ T6434] CPU: 0 PID: 6434 Comm: syz.1.577 Not tainted syzkaller #0 [ 197.746211][ T6434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 197.747808][ T6434] Call trace: [ 197.748412][ T6434] dump_backtrace+0x0/0x458 [ 197.749166][ T6434] show_stack+0x2c/0x3c [ 197.749884][ T6434] __dump_stack+0x30/0x40 [ 197.750660][ T6434] dump_stack_lvl+0xf4/0x15c [ 197.751470][ T6434] dump_stack+0x1c/0x5c [ 197.752176][ T6434] sysfs_create_dir_ns+0x244/0x264 [ 197.753048][ T6434] kobject_add_internal+0x594/0xc2c [ 197.753896][ T6434] kobject_init_and_add+0x128/0x194 [ 197.754708][ T6434] gfs2_sys_fs_add+0x208/0x428 [ 197.755539][ T6434] gfs2_fill_super+0xe20/0x1a9c [ 197.756380][ T6434] get_tree_bdev+0x35c/0x54c [ 197.757127][ T6434] gfs2_get_tree+0x58/0x1b8 [ 197.757959][ T6434] vfs_get_tree+0x90/0x278 [ 197.758744][ T6434] do_new_mount+0x228/0x804 [ 197.759511][ T6434] path_mount+0x57c/0xfe8 [ 197.760329][ T6434] __arm64_sys_mount+0x488/0x5f8 [ 197.761339][ T6434] invoke_syscall+0x98/0x28c [ 197.762264][ T6434] el0_svc_common+0x13c/0x258 [ 197.763110][ T6434] do_el0_svc+0x5c/0x140 [ 197.763819][ T6434] el0_svc+0x78/0x1d0 [ 197.764494][ T6434] el0t_64_sync_handler+0xcc/0xe4 [ 197.765380][ T6434] el0t_64_sync+0x1a0/0x1a4 [ 197.767833][ T6434] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.770190][ T6434] gfs2: fsid=](_: error -17 adding sysfs files [ 197.980602][ T6437] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 197.981925][ T6437] CPU: 0 PID: 6437 Comm: syz.1.578 Not tainted syzkaller #0 [ 197.983230][ T6437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 197.984985][ T6437] Call trace: [ 197.985741][ T6437] dump_backtrace+0x0/0x458 [ 197.986605][ T6437] show_stack+0x2c/0x3c [ 197.987378][ T6437] __dump_stack+0x30/0x40 [ 197.988106][ T6437] dump_stack_lvl+0xf4/0x15c [ 197.988887][ T6437] dump_stack+0x1c/0x5c [ 197.989664][ T6437] sysfs_create_dir_ns+0x244/0x264 [ 197.990626][ T6437] kobject_add_internal+0x594/0xc2c [ 197.991510][ T6437] kobject_init_and_add+0x128/0x194 [ 197.992396][ T6437] gfs2_sys_fs_add+0x208/0x428 [ 197.993191][ T6437] gfs2_fill_super+0xe20/0x1a9c [ 197.994080][ T6437] get_tree_bdev+0x35c/0x54c [ 197.994900][ T6437] gfs2_get_tree+0x58/0x1b8 [ 197.995647][ T6437] vfs_get_tree+0x90/0x278 [ 197.996434][ T6437] do_new_mount+0x228/0x804 [ 197.997224][ T6437] path_mount+0x57c/0xfe8 [ 197.997982][ T6437] __arm64_sys_mount+0x488/0x5f8 [ 197.998889][ T6437] invoke_syscall+0x98/0x28c [ 197.999632][ T6437] el0_svc_common+0x13c/0x258 [ 198.000510][ T6437] do_el0_svc+0x5c/0x140 [ 198.001247][ T6437] el0_svc+0x78/0x1d0 [ 198.001929][ T6437] el0t_64_sync_handler+0xcc/0xe4 [ 198.002844][ T6437] el0t_64_sync+0x1a0/0x1a4 [ 198.005045][ T6437] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.007229][ T6437] gfs2: fsid=](_: error -17 adding sysfs files [ 198.166666][ T6440] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 198.167890][ T6440] CPU: 0 PID: 6440 Comm: syz.1.579 Not tainted syzkaller #0 [ 198.169127][ T6440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 198.170933][ T6440] Call trace: [ 198.171528][ T6440] dump_backtrace+0x0/0x458 [ 198.172320][ T6440] show_stack+0x2c/0x3c [ 198.173048][ T6440] __dump_stack+0x30/0x40 [ 198.173796][ T6440] dump_stack_lvl+0xf4/0x15c [ 198.174607][ T6440] dump_stack+0x1c/0x5c [ 198.175331][ T6440] sysfs_create_dir_ns+0x244/0x264 [ 198.176223][ T6440] kobject_add_internal+0x594/0xc2c [ 198.177123][ T6440] kobject_init_and_add+0x128/0x194 [ 198.178058][ T6440] gfs2_sys_fs_add+0x208/0x428 [ 198.178877][ T6440] gfs2_fill_super+0xe20/0x1a9c [ 198.179722][ T6440] get_tree_bdev+0x35c/0x54c [ 198.180441][ T6440] gfs2_get_tree+0x58/0x1b8 [ 198.181212][ T6440] vfs_get_tree+0x90/0x278 [ 198.181988][ T6440] do_new_mount+0x228/0x804 [ 198.182790][ T6440] path_mount+0x57c/0xfe8 [ 198.183576][ T6440] __arm64_sys_mount+0x488/0x5f8 [ 198.184462][ T6440] invoke_syscall+0x98/0x28c [ 198.185287][ T6440] el0_svc_common+0x13c/0x258 [ 198.186153][ T6440] do_el0_svc+0x5c/0x140 [ 198.186897][ T6440] el0_svc+0x78/0x1d0 [ 198.187620][ T6440] el0t_64_sync_handler+0xcc/0xe4 [ 198.188425][ T6440] el0t_64_sync+0x1a0/0x1a4 [ 198.190902][ T6440] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.192954][ T6440] gfs2: fsid=](_: error -17 adding sysfs files [ 198.401741][ T6443] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 198.403026][ T6443] CPU: 1 PID: 6443 Comm: syz.1.580 Not tainted syzkaller #0 [ 198.404263][ T6443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 198.405847][ T6443] Call trace: [ 198.406384][ T6443] dump_backtrace+0x0/0x458 [ 198.407123][ T6443] show_stack+0x2c/0x3c [ 198.407793][ T6443] __dump_stack+0x30/0x40 [ 198.408544][ T6443] dump_stack_lvl+0xf4/0x15c [ 198.409324][ T6443] dump_stack+0x1c/0x5c [ 198.410062][ T6443] sysfs_create_dir_ns+0x244/0x264 [ 198.411001][ T6443] kobject_add_internal+0x594/0xc2c [ 198.411944][ T6443] kobject_init_and_add+0x128/0x194 [ 198.412914][ T6443] gfs2_sys_fs_add+0x208/0x428 [ 198.413799][ T6443] gfs2_fill_super+0xe20/0x1a9c [ 198.414720][ T6443] get_tree_bdev+0x35c/0x54c [ 198.415554][ T6443] gfs2_get_tree+0x58/0x1b8 [ 198.416396][ T6443] vfs_get_tree+0x90/0x278 [ 198.417191][ T6443] do_new_mount+0x228/0x804 [ 198.417938][ T6443] path_mount+0x57c/0xfe8 [ 198.418695][ T6443] __arm64_sys_mount+0x488/0x5f8 [ 198.419581][ T6443] invoke_syscall+0x98/0x28c [ 198.420429][ T6443] el0_svc_common+0x13c/0x258 [ 198.421275][ T6443] do_el0_svc+0x5c/0x140 [ 198.422023][ T6443] el0_svc+0x78/0x1d0 [ 198.422737][ T6443] el0t_64_sync_handler+0xcc/0xe4 [ 198.423649][ T6443] el0t_64_sync+0x1a0/0x1a4 [ 198.426317][ T6443] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.428221][ T6443] gfs2: fsid=](_: error -17 adding sysfs files [ 198.595625][ T6446] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 198.596856][ T6446] CPU: 0 PID: 6446 Comm: syz.1.581 Not tainted syzkaller #0 [ 198.598008][ T6446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 198.599697][ T6446] Call trace: [ 198.600257][ T6446] dump_backtrace+0x0/0x458 [ 198.601058][ T6446] show_stack+0x2c/0x3c [ 198.601871][ T6446] __dump_stack+0x30/0x40 [ 198.602606][ T6446] dump_stack_lvl+0xf4/0x15c [ 198.603361][ T6446] dump_stack+0x1c/0x5c [ 198.604065][ T6446] sysfs_create_dir_ns+0x244/0x264 [ 198.604873][ T6446] kobject_add_internal+0x594/0xc2c [ 198.605787][ T6446] kobject_init_and_add+0x128/0x194 [ 198.606636][ T6446] gfs2_sys_fs_add+0x208/0x428 [ 198.607399][ T6446] gfs2_fill_super+0xe20/0x1a9c [ 198.608231][ T6446] get_tree_bdev+0x35c/0x54c [ 198.609027][ T6446] gfs2_get_tree+0x58/0x1b8 [ 198.609847][ T6446] vfs_get_tree+0x90/0x278 [ 198.610632][ T6446] do_new_mount+0x228/0x804 [ 198.611434][ T6446] path_mount+0x57c/0xfe8 [ 198.612149][ T6446] __arm64_sys_mount+0x488/0x5f8 [ 198.613071][ T6446] invoke_syscall+0x98/0x28c [ 198.613836][ T6446] el0_svc_common+0x13c/0x258 [ 198.614675][ T6446] do_el0_svc+0x5c/0x140 [ 198.615489][ T6446] el0_svc+0x78/0x1d0 [ 198.616181][ T6446] el0t_64_sync_handler+0xcc/0xe4 [ 198.617089][ T6446] el0t_64_sync+0x1a0/0x1a4 [ 198.619200][ T6446] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.621842][ T6446] gfs2: fsid=](_: error -17 adding sysfs files [ 198.760638][ T6449] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 198.761999][ T6449] CPU: 1 PID: 6449 Comm: syz.1.582 Not tainted syzkaller #0 [ 198.763231][ T6449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 198.764947][ T6449] Call trace: [ 198.765640][ T6449] dump_backtrace+0x0/0x458 [ 198.766461][ T6449] show_stack+0x2c/0x3c [ 198.767228][ T6449] __dump_stack+0x30/0x40 [ 198.767948][ T6449] dump_stack_lvl+0xf4/0x15c [ 198.768667][ T6449] dump_stack+0x1c/0x5c [ 198.769364][ T6449] sysfs_create_dir_ns+0x244/0x264 [ 198.770233][ T6449] kobject_add_internal+0x594/0xc2c [ 198.771186][ T6449] kobject_init_and_add+0x128/0x194 [ 198.772102][ T6449] gfs2_sys_fs_add+0x208/0x428 [ 198.772933][ T6449] gfs2_fill_super+0xe20/0x1a9c [ 198.773678][ T6449] get_tree_bdev+0x35c/0x54c [ 198.774382][ T6449] gfs2_get_tree+0x58/0x1b8 [ 198.775154][ T6449] vfs_get_tree+0x90/0x278 [ 198.775902][ T6449] do_new_mount+0x228/0x804 [ 198.776637][ T6449] path_mount+0x57c/0xfe8 [ 198.777400][ T6449] __arm64_sys_mount+0x488/0x5f8 [ 198.778310][ T6449] invoke_syscall+0x98/0x28c [ 198.779206][ T6449] el0_svc_common+0x13c/0x258 [ 198.780059][ T6449] do_el0_svc+0x5c/0x140 [ 198.780782][ T6449] el0_svc+0x78/0x1d0 [ 198.781436][ T6449] el0t_64_sync_handler+0xcc/0xe4 [ 198.782275][ T6449] el0t_64_sync+0x1a0/0x1a4 [ 198.783535][ T6449] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.785748][ T6449] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:18 executed programs: 569 [ 198.965029][ T6452] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 198.966337][ T6452] CPU: 0 PID: 6452 Comm: syz.1.583 Not tainted syzkaller #0 [ 198.967549][ T6452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 198.969175][ T6452] Call trace: [ 198.969784][ T6452] dump_backtrace+0x0/0x458 [ 198.970596][ T6452] show_stack+0x2c/0x3c [ 198.971323][ T6452] __dump_stack+0x30/0x40 [ 198.972068][ T6452] dump_stack_lvl+0xf4/0x15c [ 198.972911][ T6452] dump_stack+0x1c/0x5c [ 198.973651][ T6452] sysfs_create_dir_ns+0x244/0x264 [ 198.974653][ T6452] kobject_add_internal+0x594/0xc2c [ 198.975557][ T6452] kobject_init_and_add+0x128/0x194 [ 198.976568][ T6452] gfs2_sys_fs_add+0x208/0x428 [ 198.977459][ T6452] gfs2_fill_super+0xe20/0x1a9c [ 198.978386][ T6452] get_tree_bdev+0x35c/0x54c [ 198.979214][ T6452] gfs2_get_tree+0x58/0x1b8 [ 198.980012][ T6452] vfs_get_tree+0x90/0x278 [ 198.980876][ T6452] do_new_mount+0x228/0x804 [ 198.981798][ T6452] path_mount+0x57c/0xfe8 [ 198.982676][ T6452] __arm64_sys_mount+0x488/0x5f8 [ 198.983651][ T6452] invoke_syscall+0x98/0x28c [ 198.984529][ T6452] el0_svc_common+0x13c/0x258 [ 198.985489][ T6452] do_el0_svc+0x5c/0x140 [ 198.986272][ T6452] el0_svc+0x78/0x1d0 [ 198.986963][ T6452] el0t_64_sync_handler+0xcc/0xe4 [ 198.987836][ T6452] el0t_64_sync+0x1a0/0x1a4 [ 198.990227][ T6452] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.992325][ T6452] gfs2: fsid=](_: error -17 adding sysfs files [ 199.161794][ T6455] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 199.163070][ T6455] CPU: 0 PID: 6455 Comm: syz.1.584 Not tainted syzkaller #0 [ 199.164305][ T6455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 199.166051][ T6455] Call trace: [ 199.166645][ T6455] dump_backtrace+0x0/0x458 [ 199.167351][ T6455] show_stack+0x2c/0x3c [ 199.167984][ T6455] __dump_stack+0x30/0x40 [ 199.168649][ T6455] dump_stack_lvl+0xf4/0x15c [ 199.169358][ T6455] dump_stack+0x1c/0x5c [ 199.170066][ T6455] sysfs_create_dir_ns+0x244/0x264 [ 199.170976][ T6455] kobject_add_internal+0x594/0xc2c [ 199.171862][ T6455] kobject_init_and_add+0x128/0x194 [ 199.172767][ T6455] gfs2_sys_fs_add+0x208/0x428 [ 199.173726][ T6455] gfs2_fill_super+0xe20/0x1a9c [ 199.174486][ T6455] get_tree_bdev+0x35c/0x54c [ 199.175238][ T6455] gfs2_get_tree+0x58/0x1b8 [ 199.176153][ T6455] vfs_get_tree+0x90/0x278 [ 199.176940][ T6455] do_new_mount+0x228/0x804 [ 199.177838][ T6455] path_mount+0x57c/0xfe8 [ 199.178702][ T6455] __arm64_sys_mount+0x488/0x5f8 [ 199.179585][ T6455] invoke_syscall+0x98/0x28c [ 199.180316][ T6455] el0_svc_common+0x13c/0x258 [ 199.181125][ T6455] do_el0_svc+0x5c/0x140 [ 199.181930][ T6455] el0_svc+0x78/0x1d0 [ 199.182657][ T6455] el0t_64_sync_handler+0xcc/0xe4 [ 199.183598][ T6455] el0t_64_sync+0x1a0/0x1a4 [ 199.186416][ T6455] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.188615][ T6455] gfs2: fsid=](_: error -17 adding sysfs files [ 199.322972][ T6458] set_capacity_and_notify: 15 callbacks suppressed [ 199.322981][ T6458] loop1: detected capacity change from 0 to 32768 [ 199.331718][ T6458] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 199.332967][ T6458] CPU: 1 PID: 6458 Comm: syz.1.585 Not tainted syzkaller #0 [ 199.334061][ T6458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 199.335690][ T6458] Call trace: [ 199.336195][ T6458] dump_backtrace+0x0/0x458 [ 199.337056][ T6458] show_stack+0x2c/0x3c [ 199.337800][ T6458] __dump_stack+0x30/0x40 [ 199.338526][ T6458] dump_stack_lvl+0xf4/0x15c [ 199.339320][ T6458] dump_stack+0x1c/0x5c [ 199.340105][ T6458] sysfs_create_dir_ns+0x244/0x264 [ 199.341018][ T6458] kobject_add_internal+0x594/0xc2c [ 199.341996][ T6458] kobject_init_and_add+0x128/0x194 [ 199.342950][ T6458] gfs2_sys_fs_add+0x208/0x428 [ 199.343773][ T6458] gfs2_fill_super+0xe20/0x1a9c [ 199.344586][ T6458] get_tree_bdev+0x35c/0x54c [ 199.345365][ T6458] gfs2_get_tree+0x58/0x1b8 [ 199.346185][ T6458] vfs_get_tree+0x90/0x278 [ 199.346997][ T6458] do_new_mount+0x228/0x804 [ 199.347821][ T6458] path_mount+0x57c/0xfe8 [ 199.348594][ T6458] __arm64_sys_mount+0x488/0x5f8 [ 199.349491][ T6458] invoke_syscall+0x98/0x28c [ 199.350280][ T6458] el0_svc_common+0x13c/0x258 [ 199.351229][ T6458] do_el0_svc+0x5c/0x140 [ 199.352088][ T6458] el0_svc+0x78/0x1d0 [ 199.352848][ T6458] el0t_64_sync_handler+0xcc/0xe4 [ 199.353724][ T6458] el0t_64_sync+0x1a0/0x1a4 [ 199.356165][ T6458] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.358298][ T6458] gfs2: fsid=](_: error -17 adding sysfs files [ 199.488424][ T6461] loop1: detected capacity change from 0 to 32768 [ 199.495731][ T6461] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 199.497017][ T6461] CPU: 1 PID: 6461 Comm: syz.1.586 Not tainted syzkaller #0 [ 199.498440][ T6461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 199.500266][ T6461] Call trace: [ 199.500833][ T6461] dump_backtrace+0x0/0x458 [ 199.501589][ T6461] show_stack+0x2c/0x3c [ 199.502325][ T6461] __dump_stack+0x30/0x40 [ 199.503063][ T6461] dump_stack_lvl+0xf4/0x15c [ 199.503859][ T6461] dump_stack+0x1c/0x5c [ 199.504663][ T6461] sysfs_create_dir_ns+0x244/0x264 [ 199.505538][ T6461] kobject_add_internal+0x594/0xc2c [ 199.506484][ T6461] kobject_init_and_add+0x128/0x194 [ 199.507452][ T6461] gfs2_sys_fs_add+0x208/0x428 [ 199.508246][ T6461] gfs2_fill_super+0xe20/0x1a9c [ 199.509015][ T6461] get_tree_bdev+0x35c/0x54c [ 199.509780][ T6461] gfs2_get_tree+0x58/0x1b8 [ 199.510557][ T6461] vfs_get_tree+0x90/0x278 [ 199.511311][ T6461] do_new_mount+0x228/0x804 [ 199.512082][ T6461] path_mount+0x57c/0xfe8 [ 199.512863][ T6461] __arm64_sys_mount+0x488/0x5f8 [ 199.513697][ T6461] invoke_syscall+0x98/0x28c [ 199.514461][ T6461] el0_svc_common+0x13c/0x258 [ 199.515251][ T6461] do_el0_svc+0x5c/0x140 [ 199.516043][ T6461] el0_svc+0x78/0x1d0 [ 199.516749][ T6461] el0t_64_sync_handler+0xcc/0xe4 [ 199.517633][ T6461] el0t_64_sync+0x1a0/0x1a4 [ 199.518768][ T6461] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.521091][ T6461] gfs2: fsid=](_: error -17 adding sysfs files [ 199.663714][ T6464] loop1: detected capacity change from 0 to 32768 [ 199.700870][ T6464] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 199.702262][ T6464] CPU: 0 PID: 6464 Comm: syz.1.587 Not tainted syzkaller #0 [ 199.703437][ T6464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 199.705083][ T6464] Call trace: [ 199.705579][ T6464] dump_backtrace+0x0/0x458 [ 199.706374][ T6464] show_stack+0x2c/0x3c [ 199.707033][ T6464] __dump_stack+0x30/0x40 [ 199.707701][ T6464] dump_stack_lvl+0xf4/0x15c [ 199.708416][ T6464] dump_stack+0x1c/0x5c [ 199.709108][ T6464] sysfs_create_dir_ns+0x244/0x264 [ 199.709993][ T6464] kobject_add_internal+0x594/0xc2c [ 199.710964][ T6464] kobject_init_and_add+0x128/0x194 [ 199.712042][ T6464] gfs2_sys_fs_add+0x208/0x428 [ 199.712910][ T6464] gfs2_fill_super+0xe20/0x1a9c [ 199.713773][ T6464] get_tree_bdev+0x35c/0x54c [ 199.714685][ T6464] gfs2_get_tree+0x58/0x1b8 [ 199.715590][ T6464] vfs_get_tree+0x90/0x278 [ 199.716482][ T6464] do_new_mount+0x228/0x804 [ 199.717366][ T6464] path_mount+0x57c/0xfe8 [ 199.718133][ T6464] __arm64_sys_mount+0x488/0x5f8 [ 199.719079][ T6464] invoke_syscall+0x98/0x28c [ 199.719942][ T6464] el0_svc_common+0x13c/0x258 [ 199.720764][ T6464] do_el0_svc+0x5c/0x140 [ 199.721493][ T6464] el0_svc+0x78/0x1d0 [ 199.722158][ T6464] el0t_64_sync_handler+0xcc/0xe4 [ 199.723052][ T6464] el0t_64_sync+0x1a0/0x1a4 [ 199.725342][ T6464] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.727503][ T6464] gfs2: fsid=](_: error -17 adding sysfs files [ 199.854083][ T6468] loop1: detected capacity change from 0 to 32768 [ 199.894131][ T6468] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 199.895208][ T6468] CPU: 0 PID: 6468 Comm: syz.1.588 Not tainted syzkaller #0 [ 199.896399][ T6468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 199.898053][ T6468] Call trace: [ 199.898608][ T6468] dump_backtrace+0x0/0x458 [ 199.899473][ T6468] show_stack+0x2c/0x3c [ 199.900275][ T6468] __dump_stack+0x30/0x40 [ 199.901113][ T6468] dump_stack_lvl+0xf4/0x15c [ 199.902012][ T6468] dump_stack+0x1c/0x5c [ 199.902768][ T6468] sysfs_create_dir_ns+0x244/0x264 [ 199.903614][ T6468] kobject_add_internal+0x594/0xc2c [ 199.904487][ T6468] kobject_init_and_add+0x128/0x194 [ 199.905337][ T6468] gfs2_sys_fs_add+0x208/0x428 [ 199.906301][ T6468] gfs2_fill_super+0xe20/0x1a9c [ 199.907172][ T6468] get_tree_bdev+0x35c/0x54c [ 199.907973][ T6468] gfs2_get_tree+0x58/0x1b8 [ 199.908700][ T6468] vfs_get_tree+0x90/0x278 [ 199.909480][ T6468] do_new_mount+0x228/0x804 [ 199.910256][ T6468] path_mount+0x57c/0xfe8 [ 199.910945][ T6468] __arm64_sys_mount+0x488/0x5f8 [ 199.911776][ T6468] invoke_syscall+0x98/0x28c [ 199.912575][ T6468] el0_svc_common+0x13c/0x258 [ 199.913376][ T6468] do_el0_svc+0x5c/0x140 [ 199.914069][ T6468] el0_svc+0x78/0x1d0 [ 199.914764][ T6468] el0t_64_sync_handler+0xcc/0xe4 [ 199.915669][ T6468] el0t_64_sync+0x1a0/0x1a4 [ 199.916972][ T6468] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.919174][ T6468] gfs2: fsid=](_: error -17 adding sysfs files [ 200.104360][ T6471] loop1: detected capacity change from 0 to 32768 [ 200.151361][ T6471] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 200.152597][ T6471] CPU: 0 PID: 6471 Comm: syz.1.589 Not tainted syzkaller #0 [ 200.153788][ T6471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 200.155449][ T6471] Call trace: [ 200.155983][ T6471] dump_backtrace+0x0/0x458 [ 200.156728][ T6471] show_stack+0x2c/0x3c [ 200.157443][ T6471] __dump_stack+0x30/0x40 [ 200.158260][ T6471] dump_stack_lvl+0xf4/0x15c [ 200.159008][ T6471] dump_stack+0x1c/0x5c [ 200.159671][ T6471] sysfs_create_dir_ns+0x244/0x264 [ 200.160579][ T6471] kobject_add_internal+0x594/0xc2c [ 200.161616][ T6471] kobject_init_and_add+0x128/0x194 [ 200.162588][ T6471] gfs2_sys_fs_add+0x208/0x428 [ 200.163513][ T6471] gfs2_fill_super+0xe20/0x1a9c [ 200.164413][ T6471] get_tree_bdev+0x35c/0x54c [ 200.165185][ T6471] gfs2_get_tree+0x58/0x1b8 [ 200.165899][ T6471] vfs_get_tree+0x90/0x278 [ 200.166645][ T6471] do_new_mount+0x228/0x804 [ 200.167568][ T6471] path_mount+0x57c/0xfe8 [ 200.168456][ T6471] __arm64_sys_mount+0x488/0x5f8 [ 200.169374][ T6471] invoke_syscall+0x98/0x28c [ 200.170244][ T6471] el0_svc_common+0x13c/0x258 [ 200.171082][ T6471] do_el0_svc+0x5c/0x140 [ 200.171876][ T6471] el0_svc+0x78/0x1d0 [ 200.172590][ T6471] el0t_64_sync_handler+0xcc/0xe4 [ 200.173498][ T6471] el0t_64_sync+0x1a0/0x1a4 [ 200.176543][ T6471] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.178794][ T6471] gfs2: fsid=](_: error -17 adding sysfs files [ 200.312023][ T6475] loop1: detected capacity change from 0 to 32768 [ 200.319036][ T6475] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 200.320602][ T6475] CPU: 0 PID: 6475 Comm: syz.1.590 Not tainted syzkaller #0 [ 200.321779][ T6475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 200.323503][ T6475] Call trace: [ 200.324031][ T6475] dump_backtrace+0x0/0x458 [ 200.324836][ T6475] show_stack+0x2c/0x3c [ 200.325749][ T6475] __dump_stack+0x30/0x40 [ 200.326528][ T6475] dump_stack_lvl+0xf4/0x15c [ 200.327374][ T6475] dump_stack+0x1c/0x5c [ 200.328121][ T6475] sysfs_create_dir_ns+0x244/0x264 [ 200.328969][ T6475] kobject_add_internal+0x594/0xc2c [ 200.329882][ T6475] kobject_init_and_add+0x128/0x194 [ 200.330773][ T6475] gfs2_sys_fs_add+0x208/0x428 [ 200.331607][ T6475] gfs2_fill_super+0xe20/0x1a9c [ 200.332394][ T6475] get_tree_bdev+0x35c/0x54c [ 200.333236][ T6475] gfs2_get_tree+0x58/0x1b8 [ 200.334010][ T6475] vfs_get_tree+0x90/0x278 [ 200.334790][ T6475] do_new_mount+0x228/0x804 [ 200.335552][ T6475] path_mount+0x57c/0xfe8 [ 200.336319][ T6475] __arm64_sys_mount+0x488/0x5f8 [ 200.337145][ T6475] invoke_syscall+0x98/0x28c [ 200.337932][ T6475] el0_svc_common+0x13c/0x258 [ 200.338751][ T6475] do_el0_svc+0x5c/0x140 [ 200.339654][ T6475] el0_svc+0x78/0x1d0 [ 200.340402][ T6475] el0t_64_sync_handler+0xcc/0xe4 [ 200.341195][ T6475] el0t_64_sync+0x1a0/0x1a4 [ 200.343832][ T6475] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.345782][ T6475] gfs2: fsid=](_: error -17 adding sysfs files [ 200.480937][ T6478] loop1: detected capacity change from 0 to 32768 [ 200.492455][ T6478] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 200.493715][ T6478] CPU: 1 PID: 6478 Comm: syz.1.591 Not tainted syzkaller #0 [ 200.494965][ T6478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 200.496702][ T6478] Call trace: [ 200.497257][ T6478] dump_backtrace+0x0/0x458 [ 200.498036][ T6478] show_stack+0x2c/0x3c [ 200.498719][ T6478] __dump_stack+0x30/0x40 [ 200.499456][ T6478] dump_stack_lvl+0xf4/0x15c [ 200.500278][ T6478] dump_stack+0x1c/0x5c [ 200.501023][ T6478] sysfs_create_dir_ns+0x244/0x264 [ 200.501972][ T6478] kobject_add_internal+0x594/0xc2c [ 200.502922][ T6478] kobject_init_and_add+0x128/0x194 [ 200.503829][ T6478] gfs2_sys_fs_add+0x208/0x428 [ 200.504661][ T6478] gfs2_fill_super+0xe20/0x1a9c [ 200.505486][ T6478] get_tree_bdev+0x35c/0x54c [ 200.506271][ T6478] gfs2_get_tree+0x58/0x1b8 [ 200.507032][ T6478] vfs_get_tree+0x90/0x278 [ 200.507761][ T6478] do_new_mount+0x228/0x804 [ 200.508613][ T6478] path_mount+0x57c/0xfe8 [ 200.509396][ T6478] __arm64_sys_mount+0x488/0x5f8 [ 200.510277][ T6478] invoke_syscall+0x98/0x28c [ 200.511113][ T6478] el0_svc_common+0x13c/0x258 [ 200.512037][ T6478] do_el0_svc+0x5c/0x140 [ 200.512840][ T6478] el0_svc+0x78/0x1d0 [ 200.513539][ T6478] el0t_64_sync_handler+0xcc/0xe4 [ 200.514475][ T6478] el0t_64_sync+0x1a0/0x1a4 [ 200.516635][ T6478] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.518572][ T6478] gfs2: fsid=](_: error -17 adding sysfs files [ 200.758215][ T6482] loop1: detected capacity change from 0 to 32768 [ 200.864982][ T6482] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 200.866287][ T6482] CPU: 0 PID: 6482 Comm: syz.1.592 Not tainted syzkaller #0 [ 200.867400][ T6482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 200.868984][ T6482] Call trace: [ 200.869545][ T6482] dump_backtrace+0x0/0x458 [ 200.870341][ T6482] show_stack+0x2c/0x3c [ 200.871070][ T6482] __dump_stack+0x30/0x40 [ 200.871805][ T6482] dump_stack_lvl+0xf4/0x15c [ 200.872576][ T6482] dump_stack+0x1c/0x5c [ 200.873272][ T6482] sysfs_create_dir_ns+0x244/0x264 [ 200.874159][ T6482] kobject_add_internal+0x594/0xc2c [ 200.875048][ T6482] kobject_init_and_add+0x128/0x194 [ 200.875971][ T6482] gfs2_sys_fs_add+0x208/0x428 [ 200.876830][ T6482] gfs2_fill_super+0xe20/0x1a9c [ 200.877701][ T6482] get_tree_bdev+0x35c/0x54c [ 200.878531][ T6482] gfs2_get_tree+0x58/0x1b8 [ 200.879768][ T6482] vfs_get_tree+0x90/0x278 [ 200.880552][ T6482] do_new_mount+0x228/0x804 [ 200.881309][ T6482] path_mount+0x57c/0xfe8 [ 200.882047][ T6482] __arm64_sys_mount+0x488/0x5f8 [ 200.882896][ T6482] invoke_syscall+0x98/0x28c [ 200.883723][ T6482] el0_svc_common+0x13c/0x258 [ 200.884514][ T6482] do_el0_svc+0x5c/0x140 [ 200.885244][ T6482] el0_svc+0x78/0x1d0 [ 200.885933][ T6482] el0t_64_sync_handler+0xcc/0xe4 [ 200.886784][ T6482] el0t_64_sync+0x1a0/0x1a4 [ 200.887654][ T6482] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.889905][ T6482] gfs2: fsid=](_: error -17 adding sysfs files [ 201.018461][ T6485] loop1: detected capacity change from 0 to 32768 [ 201.080665][ T6485] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 201.081913][ T6485] CPU: 1 PID: 6485 Comm: syz.1.593 Not tainted syzkaller #0 [ 201.083256][ T6485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 201.084886][ T6485] Call trace: [ 201.085493][ T6485] dump_backtrace+0x0/0x458 [ 201.086302][ T6485] show_stack+0x2c/0x3c [ 201.087013][ T6485] __dump_stack+0x30/0x40 [ 201.087839][ T6485] dump_stack_lvl+0xf4/0x15c [ 201.088624][ T6485] dump_stack+0x1c/0x5c [ 201.089324][ T6485] sysfs_create_dir_ns+0x244/0x264 [ 201.090189][ T6485] kobject_add_internal+0x594/0xc2c [ 201.091066][ T6485] kobject_init_and_add+0x128/0x194 [ 201.091913][ T6485] gfs2_sys_fs_add+0x208/0x428 [ 201.092757][ T6485] gfs2_fill_super+0xe20/0x1a9c [ 201.093645][ T6485] get_tree_bdev+0x35c/0x54c [ 201.094444][ T6485] gfs2_get_tree+0x58/0x1b8 [ 201.095236][ T6485] vfs_get_tree+0x90/0x278 [ 201.096020][ T6485] do_new_mount+0x228/0x804 [ 201.096761][ T6485] path_mount+0x57c/0xfe8 [ 201.097507][ T6485] __arm64_sys_mount+0x488/0x5f8 [ 201.098348][ T6485] invoke_syscall+0x98/0x28c [ 201.099155][ T6485] el0_svc_common+0x13c/0x258 [ 201.099998][ T6485] do_el0_svc+0x5c/0x140 [ 201.100770][ T6485] el0_svc+0x78/0x1d0 [ 201.101426][ T6485] el0t_64_sync_handler+0xcc/0xe4 [ 201.102356][ T6485] el0t_64_sync+0x1a0/0x1a4 [ 201.103941][ T6485] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.105939][ T6485] gfs2: fsid=](_: error -17 adding sysfs files [ 201.343830][ T6488] loop1: detected capacity change from 0 to 32768 [ 201.390776][ T6488] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 201.392056][ T6488] CPU: 0 PID: 6488 Comm: syz.1.594 Not tainted syzkaller #0 [ 201.393452][ T6488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 201.395299][ T6488] Call trace: [ 201.395861][ T6488] dump_backtrace+0x0/0x458 [ 201.396616][ T6488] show_stack+0x2c/0x3c [ 201.397386][ T6488] __dump_stack+0x30/0x40 [ 201.398171][ T6488] dump_stack_lvl+0xf4/0x15c [ 201.399000][ T6488] dump_stack+0x1c/0x5c [ 201.399744][ T6488] sysfs_create_dir_ns+0x244/0x264 [ 201.400713][ T6488] kobject_add_internal+0x594/0xc2c [ 201.401602][ T6488] kobject_init_and_add+0x128/0x194 [ 201.402510][ T6488] gfs2_sys_fs_add+0x208/0x428 [ 201.403363][ T6488] gfs2_fill_super+0xe20/0x1a9c [ 201.404161][ T6488] get_tree_bdev+0x35c/0x54c [ 201.404974][ T6488] gfs2_get_tree+0x58/0x1b8 [ 201.405809][ T6488] vfs_get_tree+0x90/0x278 [ 201.406626][ T6488] do_new_mount+0x228/0x804 [ 201.407438][ T6488] path_mount+0x57c/0xfe8 [ 201.408210][ T6488] __arm64_sys_mount+0x488/0x5f8 [ 201.409075][ T6488] invoke_syscall+0x98/0x28c [ 201.409896][ T6488] el0_svc_common+0x13c/0x258 [ 201.410731][ T6488] do_el0_svc+0x5c/0x140 [ 201.411555][ T6488] el0_svc+0x78/0x1d0 [ 201.412244][ T6488] el0t_64_sync_handler+0xcc/0xe4 [ 201.413085][ T6488] el0t_64_sync+0x1a0/0x1a4 [ 201.416888][ T6488] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.418958][ T6488] gfs2: fsid=](_: error -17 adding sysfs files [ 201.590506][ T6492] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 201.591700][ T6492] CPU: 1 PID: 6492 Comm: syz.1.595 Not tainted syzkaller #0 [ 201.592880][ T6492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 201.594465][ T6492] Call trace: [ 201.595011][ T6492] dump_backtrace+0x0/0x458 [ 201.595728][ T6492] show_stack+0x2c/0x3c [ 201.596430][ T6492] __dump_stack+0x30/0x40 [ 201.597129][ T6492] dump_stack_lvl+0xf4/0x15c [ 201.597921][ T6492] dump_stack+0x1c/0x5c [ 201.598568][ T6492] sysfs_create_dir_ns+0x244/0x264 [ 201.599367][ T6492] kobject_add_internal+0x594/0xc2c [ 201.600274][ T6492] kobject_init_and_add+0x128/0x194 [ 201.601130][ T6492] gfs2_sys_fs_add+0x208/0x428 [ 201.601915][ T6492] gfs2_fill_super+0xe20/0x1a9c [ 201.602735][ T6492] get_tree_bdev+0x35c/0x54c [ 201.603469][ T6492] gfs2_get_tree+0x58/0x1b8 [ 201.604250][ T6492] vfs_get_tree+0x90/0x278 [ 201.604998][ T6492] do_new_mount+0x228/0x804 [ 201.605765][ T6492] path_mount+0x57c/0xfe8 [ 201.606543][ T6492] __arm64_sys_mount+0x488/0x5f8 [ 201.607377][ T6492] invoke_syscall+0x98/0x28c [ 201.608134][ T6492] el0_svc_common+0x13c/0x258 [ 201.608924][ T6492] do_el0_svc+0x5c/0x140 [ 201.609681][ T6492] el0_svc+0x78/0x1d0 [ 201.610347][ T6492] el0t_64_sync_handler+0xcc/0xe4 [ 201.611212][ T6492] el0t_64_sync+0x1a0/0x1a4 [ 201.613490][ T6492] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.615584][ T6492] gfs2: fsid=](_: error -17 adding sysfs files [ 201.790594][ T6495] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 201.791910][ T6495] CPU: 0 PID: 6495 Comm: syz.1.596 Not tainted syzkaller #0 [ 201.793147][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 201.794825][ T6495] Call trace: [ 201.795364][ T6495] dump_backtrace+0x0/0x458 [ 201.796191][ T6495] show_stack+0x2c/0x3c [ 201.796866][ T6495] __dump_stack+0x30/0x40 [ 201.797609][ T6495] dump_stack_lvl+0xf4/0x15c [ 201.798382][ T6495] dump_stack+0x1c/0x5c [ 201.799099][ T6495] sysfs_create_dir_ns+0x244/0x264 [ 201.800051][ T6495] kobject_add_internal+0x594/0xc2c [ 201.801021][ T6495] kobject_init_and_add+0x128/0x194 [ 201.801969][ T6495] gfs2_sys_fs_add+0x208/0x428 [ 201.802841][ T6495] gfs2_fill_super+0xe20/0x1a9c [ 201.803647][ T6495] get_tree_bdev+0x35c/0x54c [ 201.804458][ T6495] gfs2_get_tree+0x58/0x1b8 [ 201.805184][ T6495] vfs_get_tree+0x90/0x278 [ 201.805919][ T6495] do_new_mount+0x228/0x804 [ 201.806757][ T6495] path_mount+0x57c/0xfe8 [ 201.807574][ T6495] __arm64_sys_mount+0x488/0x5f8 [ 201.808560][ T6495] invoke_syscall+0x98/0x28c [ 201.809328][ T6495] el0_svc_common+0x13c/0x258 [ 201.810106][ T6495] do_el0_svc+0x5c/0x140 [ 201.810837][ T6495] el0_svc+0x78/0x1d0 [ 201.811485][ T6495] el0t_64_sync_handler+0xcc/0xe4 [ 201.812341][ T6495] el0t_64_sync+0x1a0/0x1a4 [ 201.813499][ T6495] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.815749][ T6495] gfs2: fsid=](_: error -17 adding sysfs files [ 201.978124][ T6498] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 201.979320][ T6498] CPU: 0 PID: 6498 Comm: syz.1.597 Not tainted syzkaller #0 [ 201.980636][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 201.982335][ T6498] Call trace: [ 201.982884][ T6498] dump_backtrace+0x0/0x458 [ 201.983614][ T6498] show_stack+0x2c/0x3c [ 201.984339][ T6498] __dump_stack+0x30/0x40 [ 201.985106][ T6498] dump_stack_lvl+0xf4/0x15c [ 201.985871][ T6498] dump_stack+0x1c/0x5c [ 201.986586][ T6498] sysfs_create_dir_ns+0x244/0x264 [ 201.987453][ T6498] kobject_add_internal+0x594/0xc2c [ 201.988282][ T6498] kobject_init_and_add+0x128/0x194 [ 201.989122][ T6498] gfs2_sys_fs_add+0x208/0x428 [ 201.989946][ T6498] gfs2_fill_super+0xe20/0x1a9c [ 201.990786][ T6498] get_tree_bdev+0x35c/0x54c [ 201.991592][ T6498] gfs2_get_tree+0x58/0x1b8 [ 201.992375][ T6498] vfs_get_tree+0x90/0x278 [ 201.993127][ T6498] do_new_mount+0x228/0x804 [ 201.993902][ T6498] path_mount+0x57c/0xfe8 [ 201.994592][ T6498] __arm64_sys_mount+0x488/0x5f8 [ 201.995411][ T6498] invoke_syscall+0x98/0x28c [ 201.996158][ T6498] el0_svc_common+0x13c/0x258 [ 201.996975][ T6498] do_el0_svc+0x5c/0x140 [ 201.997702][ T6498] el0_svc+0x78/0x1d0 [ 201.998422][ T6498] el0t_64_sync_handler+0xcc/0xe4 [ 201.999265][ T6498] el0t_64_sync+0x1a0/0x1a4 [ 202.001302][ T6498] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.003495][ T6498] gfs2: fsid=](_: error -17 adding sysfs files [ 202.170563][ T6501] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 202.171848][ T6501] CPU: 1 PID: 6501 Comm: syz.1.598 Not tainted syzkaller #0 [ 202.173148][ T6501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 202.174913][ T6501] Call trace: [ 202.175524][ T6501] dump_backtrace+0x0/0x458 [ 202.176354][ T6501] show_stack+0x2c/0x3c [ 202.177108][ T6501] __dump_stack+0x30/0x40 [ 202.177962][ T6501] dump_stack_lvl+0xf4/0x15c [ 202.178776][ T6501] dump_stack+0x1c/0x5c [ 202.179512][ T6501] sysfs_create_dir_ns+0x244/0x264 [ 202.180418][ T6501] kobject_add_internal+0x594/0xc2c [ 202.181456][ T6501] kobject_init_and_add+0x128/0x194 [ 202.182425][ T6501] gfs2_sys_fs_add+0x208/0x428 [ 202.183260][ T6501] gfs2_fill_super+0xe20/0x1a9c [ 202.184127][ T6501] get_tree_bdev+0x35c/0x54c [ 202.184969][ T6501] gfs2_get_tree+0x58/0x1b8 [ 202.185868][ T6501] vfs_get_tree+0x90/0x278 [ 202.186685][ T6501] do_new_mount+0x228/0x804 [ 202.187562][ T6501] path_mount+0x57c/0xfe8 [ 202.188329][ T6501] __arm64_sys_mount+0x488/0x5f8 [ 202.189234][ T6501] invoke_syscall+0x98/0x28c [ 202.190054][ T6501] el0_svc_common+0x13c/0x258 [ 202.190940][ T6501] do_el0_svc+0x5c/0x140 [ 202.191695][ T6501] el0_svc+0x78/0x1d0 [ 202.192450][ T6501] el0t_64_sync_handler+0xcc/0xe4 [ 202.193465][ T6501] el0t_64_sync+0x1a0/0x1a4 [ 202.194632][ T6501] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.196939][ T6501] gfs2: fsid=](_: error -17 adding sysfs files [ 202.402513][ T6504] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 202.403807][ T6504] CPU: 0 PID: 6504 Comm: syz.1.599 Not tainted syzkaller #0 [ 202.405042][ T6504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 202.406730][ T6504] Call trace: [ 202.407259][ T6504] dump_backtrace+0x0/0x458 [ 202.407953][ T6504] show_stack+0x2c/0x3c [ 202.408686][ T6504] __dump_stack+0x30/0x40 [ 202.409547][ T6504] dump_stack_lvl+0xf4/0x15c [ 202.410433][ T6504] dump_stack+0x1c/0x5c [ 202.411165][ T6504] sysfs_create_dir_ns+0x244/0x264 [ 202.412015][ T6504] kobject_add_internal+0x594/0xc2c [ 202.412843][ T6504] kobject_init_and_add+0x128/0x194 [ 202.413823][ T6504] gfs2_sys_fs_add+0x208/0x428 [ 202.414618][ T6504] gfs2_fill_super+0xe20/0x1a9c [ 202.415486][ T6504] get_tree_bdev+0x35c/0x54c [ 202.416254][ T6504] gfs2_get_tree+0x58/0x1b8 [ 202.417035][ T6504] vfs_get_tree+0x90/0x278 [ 202.417775][ T6504] do_new_mount+0x228/0x804 [ 202.418551][ T6504] path_mount+0x57c/0xfe8 [ 202.419287][ T6504] __arm64_sys_mount+0x488/0x5f8 [ 202.420150][ T6504] invoke_syscall+0x98/0x28c [ 202.420919][ T6504] el0_svc_common+0x13c/0x258 [ 202.421706][ T6504] do_el0_svc+0x5c/0x140 [ 202.422393][ T6504] el0_svc+0x78/0x1d0 [ 202.423083][ T6504] el0t_64_sync_handler+0xcc/0xe4 [ 202.423962][ T6504] el0t_64_sync+0x1a0/0x1a4 [ 202.425273][ T6504] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.427234][ T6504] gfs2: fsid=](_: error -17 adding sysfs files [ 202.566886][ T6508] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 202.568921][ T6508] CPU: 1 PID: 6508 Comm: syz.1.600 Not tainted syzkaller #0 [ 202.570227][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 202.572002][ T6508] Call trace: [ 202.572563][ T6508] dump_backtrace+0x0/0x458 [ 202.573412][ T6508] show_stack+0x2c/0x3c [ 202.574116][ T6508] __dump_stack+0x30/0x40 [ 202.574868][ T6508] dump_stack_lvl+0xf4/0x15c [ 202.575658][ T6508] dump_stack+0x1c/0x5c [ 202.576389][ T6508] sysfs_create_dir_ns+0x244/0x264 [ 202.577231][ T6508] kobject_add_internal+0x594/0xc2c [ 202.578159][ T6508] kobject_init_and_add+0x128/0x194 [ 202.579062][ T6508] gfs2_sys_fs_add+0x208/0x428 [ 202.579868][ T6508] gfs2_fill_super+0xe20/0x1a9c [ 202.580697][ T6508] get_tree_bdev+0x35c/0x54c [ 202.581475][ T6508] gfs2_get_tree+0x58/0x1b8 [ 202.582243][ T6508] vfs_get_tree+0x90/0x278 [ 202.583017][ T6508] do_new_mount+0x228/0x804 [ 202.583806][ T6508] path_mount+0x57c/0xfe8 [ 202.584521][ T6508] __arm64_sys_mount+0x488/0x5f8 [ 202.585313][ T6508] invoke_syscall+0x98/0x28c [ 202.586075][ T6508] el0_svc_common+0x13c/0x258 [ 202.586836][ T6508] do_el0_svc+0x5c/0x140 [ 202.587562][ T6508] el0_svc+0x78/0x1d0 [ 202.588332][ T6508] el0t_64_sync_handler+0xcc/0xe4 [ 202.589213][ T6508] el0t_64_sync+0x1a0/0x1a4 [ 202.591498][ T6508] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.593610][ T6508] gfs2: fsid=](_: error -17 adding sysfs files [ 202.782588][ T6512] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 202.783844][ T6512] CPU: 0 PID: 6512 Comm: syz.1.601 Not tainted syzkaller #0 [ 202.785114][ T6512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 202.786908][ T6512] Call trace: [ 202.787477][ T6512] dump_backtrace+0x0/0x458 [ 202.788256][ T6512] show_stack+0x2c/0x3c [ 202.788962][ T6512] __dump_stack+0x30/0x40 [ 202.789730][ T6512] dump_stack_lvl+0xf4/0x15c [ 202.790557][ T6512] dump_stack+0x1c/0x5c [ 202.791269][ T6512] sysfs_create_dir_ns+0x244/0x264 [ 202.792125][ T6512] kobject_add_internal+0x594/0xc2c [ 202.793080][ T6512] kobject_init_and_add+0x128/0x194 [ 202.794015][ T6512] gfs2_sys_fs_add+0x208/0x428 [ 202.794859][ T6512] gfs2_fill_super+0xe20/0x1a9c [ 202.795667][ T6512] get_tree_bdev+0x35c/0x54c [ 202.796465][ T6512] gfs2_get_tree+0x58/0x1b8 [ 202.797222][ T6512] vfs_get_tree+0x90/0x278 [ 202.798003][ T6512] do_new_mount+0x228/0x804 [ 202.798757][ T6512] path_mount+0x57c/0xfe8 [ 202.799447][ T6512] __arm64_sys_mount+0x488/0x5f8 [ 202.800296][ T6512] invoke_syscall+0x98/0x28c [ 202.801096][ T6512] el0_svc_common+0x13c/0x258 [ 202.801908][ T6512] do_el0_svc+0x5c/0x140 [ 202.802614][ T6512] el0_svc+0x78/0x1d0 [ 202.803308][ T6512] el0t_64_sync_handler+0xcc/0xe4 [ 202.804194][ T6512] el0t_64_sync+0x1a0/0x1a4 [ 202.806923][ T6512] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.809272][ T6512] gfs2: fsid=](_: error -17 adding sysfs files [ 202.948266][ T6515] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 202.949599][ T6515] CPU: 1 PID: 6515 Comm: syz.1.602 Not tainted syzkaller #0 [ 202.950826][ T6515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 202.952389][ T6515] Call trace: [ 202.952885][ T6515] dump_backtrace+0x0/0x458 [ 202.953599][ T6515] show_stack+0x2c/0x3c [ 202.954253][ T6515] __dump_stack+0x30/0x40 [ 202.954952][ T6515] dump_stack_lvl+0xf4/0x15c [ 202.955713][ T6515] dump_stack+0x1c/0x5c [ 202.956408][ T6515] sysfs_create_dir_ns+0x244/0x264 [ 202.957324][ T6515] kobject_add_internal+0x594/0xc2c [ 202.958226][ T6515] kobject_init_and_add+0x128/0x194 [ 202.959148][ T6515] gfs2_sys_fs_add+0x208/0x428 [ 202.959987][ T6515] gfs2_fill_super+0xe20/0x1a9c [ 202.960844][ T6515] get_tree_bdev+0x35c/0x54c [ 202.961667][ T6515] gfs2_get_tree+0x58/0x1b8 [ 202.962491][ T6515] vfs_get_tree+0x90/0x278 [ 202.963224][ T6515] do_new_mount+0x228/0x804 [ 202.964014][ T6515] path_mount+0x57c/0xfe8 [ 202.964752][ T6515] __arm64_sys_mount+0x488/0x5f8 [ 202.965620][ T6515] invoke_syscall+0x98/0x28c [ 202.966362][ T6515] el0_svc_common+0x13c/0x258 [ 202.967156][ T6515] do_el0_svc+0x5c/0x140 [ 202.967896][ T6515] el0_svc+0x78/0x1d0 [ 202.968591][ T6515] el0t_64_sync_handler+0xcc/0xe4 [ 202.969454][ T6515] el0t_64_sync+0x1a0/0x1a4 [ 202.973383][ T6515] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.975563][ T6515] gfs2: fsid=](_: error -17 adding sysfs files [ 203.114509][ T6518] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 203.115890][ T6518] CPU: 0 PID: 6518 Comm: syz.1.603 Not tainted syzkaller #0 [ 203.117223][ T6518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 203.119070][ T6518] Call trace: [ 203.119606][ T6518] dump_backtrace+0x0/0x458 [ 203.120411][ T6518] show_stack+0x2c/0x3c [ 203.121125][ T6518] __dump_stack+0x30/0x40 [ 203.121895][ T6518] dump_stack_lvl+0xf4/0x15c [ 203.122703][ T6518] dump_stack+0x1c/0x5c [ 203.123445][ T6518] sysfs_create_dir_ns+0x244/0x264 [ 203.124368][ T6518] kobject_add_internal+0x594/0xc2c [ 203.125323][ T6518] kobject_init_and_add+0x128/0x194 [ 203.126210][ T6518] gfs2_sys_fs_add+0x208/0x428 [ 203.127014][ T6518] gfs2_fill_super+0xe20/0x1a9c [ 203.127855][ T6518] get_tree_bdev+0x35c/0x54c [ 203.128607][ T6518] gfs2_get_tree+0x58/0x1b8 [ 203.129263][ T6518] vfs_get_tree+0x90/0x278 [ 203.129985][ T6518] do_new_mount+0x228/0x804 [ 203.130769][ T6518] path_mount+0x57c/0xfe8 [ 203.131562][ T6518] __arm64_sys_mount+0x488/0x5f8 [ 203.132404][ T6518] invoke_syscall+0x98/0x28c [ 203.133188][ T6518] el0_svc_common+0x13c/0x258 [ 203.133961][ T6518] do_el0_svc+0x5c/0x140 [ 203.134654][ T6518] el0_svc+0x78/0x1d0 [ 203.135348][ T6518] el0t_64_sync_handler+0xcc/0xe4 [ 203.136166][ T6518] el0t_64_sync+0x1a0/0x1a4 [ 203.139276][ T6518] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.142035][ T6518] gfs2: fsid=](_: error -17 adding sysfs files [ 203.283886][ T6521] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 203.285254][ T6521] CPU: 1 PID: 6521 Comm: syz.1.604 Not tainted syzkaller #0 [ 203.286654][ T6521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 203.288567][ T6521] Call trace: [ 203.289180][ T6521] dump_backtrace+0x0/0x458 [ 203.290048][ T6521] show_stack+0x2c/0x3c [ 203.290922][ T6521] __dump_stack+0x30/0x40 [ 203.291747][ T6521] dump_stack_lvl+0xf4/0x15c [ 203.292592][ T6521] dump_stack+0x1c/0x5c [ 203.293356][ T6521] sysfs_create_dir_ns+0x244/0x264 [ 203.294269][ T6521] kobject_add_internal+0x594/0xc2c [ 203.295256][ T6521] kobject_init_and_add+0x128/0x194 [ 203.296202][ T6521] gfs2_sys_fs_add+0x208/0x428 [ 203.297053][ T6521] gfs2_fill_super+0xe20/0x1a9c [ 203.297913][ T6521] get_tree_bdev+0x35c/0x54c [ 203.298740][ T6521] gfs2_get_tree+0x58/0x1b8 [ 203.299580][ T6521] vfs_get_tree+0x90/0x278 [ 203.300363][ T6521] do_new_mount+0x228/0x804 [ 203.301248][ T6521] path_mount+0x57c/0xfe8 [ 203.302101][ T6521] __arm64_sys_mount+0x488/0x5f8 [ 203.303109][ T6521] invoke_syscall+0x98/0x28c [ 203.304058][ T6521] el0_svc_common+0x13c/0x258 [ 203.305007][ T6521] do_el0_svc+0x5c/0x140 [ 203.305852][ T6521] el0_svc+0x78/0x1d0 [ 203.306636][ T6521] el0t_64_sync_handler+0xcc/0xe4 [ 203.307626][ T6521] el0t_64_sync+0x1a0/0x1a4 [ 203.309059][ T6521] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.311470][ T6521] gfs2: fsid=](_: error -17 adding sysfs files [ 203.490653][ T6524] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 203.491915][ T6524] CPU: 0 PID: 6524 Comm: syz.1.605 Not tainted syzkaller #0 [ 203.493075][ T6524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 203.494818][ T6524] Call trace: [ 203.495315][ T6524] dump_backtrace+0x0/0x458 [ 203.496023][ T6524] show_stack+0x2c/0x3c [ 203.496685][ T6524] __dump_stack+0x30/0x40 [ 203.497352][ T6524] dump_stack_lvl+0xf4/0x15c [ 203.498068][ T6524] dump_stack+0x1c/0x5c [ 203.498757][ T6524] sysfs_create_dir_ns+0x244/0x264 [ 203.499621][ T6524] kobject_add_internal+0x594/0xc2c [ 203.500519][ T6524] kobject_init_and_add+0x128/0x194 [ 203.501409][ T6524] gfs2_sys_fs_add+0x208/0x428 [ 203.502176][ T6524] gfs2_fill_super+0xe20/0x1a9c [ 203.503011][ T6524] get_tree_bdev+0x35c/0x54c [ 203.503789][ T6524] gfs2_get_tree+0x58/0x1b8 [ 203.504602][ T6524] vfs_get_tree+0x90/0x278 [ 203.505287][ T6524] do_new_mount+0x228/0x804 [ 203.505976][ T6524] path_mount+0x57c/0xfe8 [ 203.506742][ T6524] __arm64_sys_mount+0x488/0x5f8 [ 203.507555][ T6524] invoke_syscall+0x98/0x28c [ 203.508368][ T6524] el0_svc_common+0x13c/0x258 [ 203.509162][ T6524] do_el0_svc+0x5c/0x140 [ 203.509876][ T6524] el0_svc+0x78/0x1d0 [ 203.510548][ T6524] el0t_64_sync_handler+0xcc/0xe4 [ 203.511536][ T6524] el0t_64_sync+0x1a0/0x1a4 [ 203.513124][ T6524] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.515003][ T6524] gfs2: fsid=](_: error -17 adding sysfs files [ 203.725174][ T6527] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 203.726467][ T6527] CPU: 0 PID: 6527 Comm: syz.1.606 Not tainted syzkaller #0 [ 203.727653][ T6527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 203.729170][ T6527] Call trace: [ 203.729755][ T6527] dump_backtrace+0x0/0x458 [ 203.730568][ T6527] show_stack+0x2c/0x3c [ 203.731289][ T6527] __dump_stack+0x30/0x40 [ 203.732113][ T6527] dump_stack_lvl+0xf4/0x15c [ 203.732918][ T6527] dump_stack+0x1c/0x5c [ 203.733624][ T6527] sysfs_create_dir_ns+0x244/0x264 [ 203.734698][ T6527] kobject_add_internal+0x594/0xc2c [ 203.735537][ T6527] kobject_init_and_add+0x128/0x194 [ 203.736435][ T6527] gfs2_sys_fs_add+0x208/0x428 [ 203.737195][ T6527] gfs2_fill_super+0xe20/0x1a9c [ 203.737964][ T6527] get_tree_bdev+0x35c/0x54c [ 203.738773][ T6527] gfs2_get_tree+0x58/0x1b8 [ 203.739569][ T6527] vfs_get_tree+0x90/0x278 [ 203.740345][ T6527] do_new_mount+0x228/0x804 [ 203.741144][ T6527] path_mount+0x57c/0xfe8 [ 203.741879][ T6527] __arm64_sys_mount+0x488/0x5f8 [ 203.742689][ T6527] invoke_syscall+0x98/0x28c [ 203.743472][ T6527] el0_svc_common+0x13c/0x258 [ 203.744281][ T6527] do_el0_svc+0x5c/0x140 [ 203.745027][ T6527] el0_svc+0x78/0x1d0 [ 203.745720][ T6527] el0t_64_sync_handler+0xcc/0xe4 [ 203.746707][ T6527] el0t_64_sync+0x1a0/0x1a4 [ 203.749140][ T6527] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.751849][ T6527] gfs2: fsid=](_: error -17 adding sysfs files [ 203.920554][ T6530] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 203.921807][ T6530] CPU: 1 PID: 6530 Comm: syz.1.607 Not tainted syzkaller #0 [ 203.923137][ T6530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 203.924939][ T6530] Call trace: [ 203.925549][ T6530] dump_backtrace+0x0/0x458 [ 203.926418][ T6530] show_stack+0x2c/0x3c [ 203.927156][ T6530] __dump_stack+0x30/0x40 [ 203.927996][ T6530] dump_stack_lvl+0xf4/0x15c [ 203.928755][ T6530] dump_stack+0x1c/0x5c [ 203.929506][ T6530] sysfs_create_dir_ns+0x244/0x264 [ 203.930293][ T6530] kobject_add_internal+0x594/0xc2c [ 203.931102][ T6530] kobject_init_and_add+0x128/0x194 [ 203.931968][ T6530] gfs2_sys_fs_add+0x208/0x428 [ 203.932761][ T6530] gfs2_fill_super+0xe20/0x1a9c [ 203.933608][ T6530] get_tree_bdev+0x35c/0x54c [ 203.934391][ T6530] gfs2_get_tree+0x58/0x1b8 [ 203.935318][ T6530] vfs_get_tree+0x90/0x278 [ 203.936082][ T6530] do_new_mount+0x228/0x804 [ 203.936797][ T6530] path_mount+0x57c/0xfe8 [ 203.937521][ T6530] __arm64_sys_mount+0x488/0x5f8 [ 203.938512][ T6530] invoke_syscall+0x98/0x28c [ 203.939463][ T6530] el0_svc_common+0x13c/0x258 [ 203.940313][ T6530] do_el0_svc+0x5c/0x140 [ 203.941143][ T6530] el0_svc+0x78/0x1d0 [ 203.941893][ T6530] el0t_64_sync_handler+0xcc/0xe4 [ 203.942740][ T6530] el0t_64_sync+0x1a0/0x1a4 [ 203.943777][ T6530] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.946174][ T6530] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:23 executed programs: 594 [ 204.101568][ T6533] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 204.102859][ T6533] CPU: 0 PID: 6533 Comm: syz.1.608 Not tainted syzkaller #0 [ 204.104017][ T6533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 204.105585][ T6533] Call trace: [ 204.106056][ T6533] dump_backtrace+0x0/0x458 [ 204.106718][ T6533] show_stack+0x2c/0x3c [ 204.107334][ T6533] __dump_stack+0x30/0x40 [ 204.107967][ T6533] dump_stack_lvl+0xf4/0x15c [ 204.108643][ T6533] dump_stack+0x1c/0x5c [ 204.109246][ T6533] sysfs_create_dir_ns+0x244/0x264 [ 204.110224][ T6533] kobject_add_internal+0x594/0xc2c [ 204.111261][ T6533] kobject_init_and_add+0x128/0x194 [ 204.112224][ T6533] gfs2_sys_fs_add+0x208/0x428 [ 204.113068][ T6533] gfs2_fill_super+0xe20/0x1a9c [ 204.113916][ T6533] get_tree_bdev+0x35c/0x54c [ 204.114677][ T6533] gfs2_get_tree+0x58/0x1b8 [ 204.115459][ T6533] vfs_get_tree+0x90/0x278 [ 204.116184][ T6533] do_new_mount+0x228/0x804 [ 204.116989][ T6533] path_mount+0x57c/0xfe8 [ 204.117748][ T6533] __arm64_sys_mount+0x488/0x5f8 [ 204.118597][ T6533] invoke_syscall+0x98/0x28c [ 204.119403][ T6533] el0_svc_common+0x13c/0x258 [ 204.120226][ T6533] do_el0_svc+0x5c/0x140 [ 204.120967][ T6533] el0_svc+0x78/0x1d0 [ 204.121646][ T6533] el0t_64_sync_handler+0xcc/0xe4 [ 204.122516][ T6533] el0t_64_sync+0x1a0/0x1a4 [ 204.127103][ T6533] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.129263][ T6533] gfs2: fsid=](_: error -17 adding sysfs files [ 204.274867][ T6536] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 204.276225][ T6536] CPU: 0 PID: 6536 Comm: syz.1.609 Not tainted syzkaller #0 [ 204.277341][ T6536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 204.278993][ T6536] Call trace: [ 204.279575][ T6536] dump_backtrace+0x0/0x458 [ 204.280287][ T6536] show_stack+0x2c/0x3c [ 204.280982][ T6536] __dump_stack+0x30/0x40 [ 204.281749][ T6536] dump_stack_lvl+0xf4/0x15c [ 204.282519][ T6536] dump_stack+0x1c/0x5c [ 204.283220][ T6536] sysfs_create_dir_ns+0x244/0x264 [ 204.284075][ T6536] kobject_add_internal+0x594/0xc2c [ 204.284960][ T6536] kobject_init_and_add+0x128/0x194 [ 204.285849][ T6536] gfs2_sys_fs_add+0x208/0x428 [ 204.286675][ T6536] gfs2_fill_super+0xe20/0x1a9c [ 204.287491][ T6536] get_tree_bdev+0x35c/0x54c [ 204.288285][ T6536] gfs2_get_tree+0x58/0x1b8 [ 204.289119][ T6536] vfs_get_tree+0x90/0x278 [ 204.289922][ T6536] do_new_mount+0x228/0x804 [ 204.290754][ T6536] path_mount+0x57c/0xfe8 [ 204.291504][ T6536] __arm64_sys_mount+0x488/0x5f8 [ 204.292336][ T6536] invoke_syscall+0x98/0x28c [ 204.293136][ T6536] el0_svc_common+0x13c/0x258 [ 204.293934][ T6536] do_el0_svc+0x5c/0x140 [ 204.294681][ T6536] el0_svc+0x78/0x1d0 [ 204.295387][ T6536] el0t_64_sync_handler+0xcc/0xe4 [ 204.296275][ T6536] el0t_64_sync+0x1a0/0x1a4 [ 204.297245][ T6536] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.299488][ T6536] gfs2: fsid=](_: error -17 adding sysfs files [ 204.432231][ T6539] set_capacity_and_notify: 15 callbacks suppressed [ 204.432241][ T6539] loop1: detected capacity change from 0 to 32768 [ 204.440851][ T6539] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 204.442009][ T6539] CPU: 1 PID: 6539 Comm: syz.1.610 Not tainted syzkaller #0 [ 204.443435][ T6539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 204.445218][ T6539] Call trace: [ 204.445756][ T6539] dump_backtrace+0x0/0x458 [ 204.446550][ T6539] show_stack+0x2c/0x3c [ 204.447275][ T6539] __dump_stack+0x30/0x40 [ 204.448078][ T6539] dump_stack_lvl+0xf4/0x15c [ 204.448933][ T6539] dump_stack+0x1c/0x5c [ 204.449720][ T6539] sysfs_create_dir_ns+0x244/0x264 [ 204.450689][ T6539] kobject_add_internal+0x594/0xc2c [ 204.451671][ T6539] kobject_init_and_add+0x128/0x194 [ 204.452634][ T6539] gfs2_sys_fs_add+0x208/0x428 [ 204.453503][ T6539] gfs2_fill_super+0xe20/0x1a9c [ 204.454301][ T6539] get_tree_bdev+0x35c/0x54c [ 204.455124][ T6539] gfs2_get_tree+0x58/0x1b8 [ 204.456032][ T6539] vfs_get_tree+0x90/0x278 [ 204.456890][ T6539] do_new_mount+0x228/0x804 [ 204.457690][ T6539] path_mount+0x57c/0xfe8 [ 204.458419][ T6539] __arm64_sys_mount+0x488/0x5f8 [ 204.459310][ T6539] invoke_syscall+0x98/0x28c [ 204.460166][ T6539] el0_svc_common+0x13c/0x258 [ 204.460925][ T6539] do_el0_svc+0x5c/0x140 [ 204.461751][ T6539] el0_svc+0x78/0x1d0 [ 204.462514][ T6539] el0t_64_sync_handler+0xcc/0xe4 [ 204.463452][ T6539] el0t_64_sync+0x1a0/0x1a4 [ 204.467175][ T6539] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.469212][ T6539] gfs2: fsid=](_: error -17 adding sysfs files [ 204.648533][ T6542] loop1: detected capacity change from 0 to 32768 [ 204.709515][ T6542] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 204.710972][ T6542] CPU: 0 PID: 6542 Comm: syz.1.611 Not tainted syzkaller #0 [ 204.712196][ T6542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 204.713745][ T6542] Call trace: [ 204.714290][ T6542] dump_backtrace+0x0/0x458 [ 204.715048][ T6542] show_stack+0x2c/0x3c [ 204.715705][ T6542] __dump_stack+0x30/0x40 [ 204.716502][ T6542] dump_stack_lvl+0xf4/0x15c [ 204.717261][ T6542] dump_stack+0x1c/0x5c [ 204.717967][ T6542] sysfs_create_dir_ns+0x244/0x264 [ 204.718808][ T6542] kobject_add_internal+0x594/0xc2c [ 204.719809][ T6542] kobject_init_and_add+0x128/0x194 [ 204.720724][ T6542] gfs2_sys_fs_add+0x208/0x428 [ 204.721590][ T6542] gfs2_fill_super+0xe20/0x1a9c [ 204.722423][ T6542] get_tree_bdev+0x35c/0x54c [ 204.723283][ T6542] gfs2_get_tree+0x58/0x1b8 [ 204.724051][ T6542] vfs_get_tree+0x90/0x278 [ 204.724822][ T6542] do_new_mount+0x228/0x804 [ 204.725640][ T6542] path_mount+0x57c/0xfe8 [ 204.726351][ T6542] __arm64_sys_mount+0x488/0x5f8 [ 204.727257][ T6542] invoke_syscall+0x98/0x28c [ 204.728081][ T6542] el0_svc_common+0x13c/0x258 [ 204.728978][ T6542] do_el0_svc+0x5c/0x140 [ 204.729733][ T6542] el0_svc+0x78/0x1d0 [ 204.730559][ T6542] el0t_64_sync_handler+0xcc/0xe4 [ 204.731498][ T6542] el0t_64_sync+0x1a0/0x1a4 [ 204.732764][ T6542] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.734895][ T6542] gfs2: fsid=](_: error -17 adding sysfs files [ 204.819448][ T4168] Bluetooth: hci1: command 0x0406 tx timeout [ 204.864473][ T6545] loop1: detected capacity change from 0 to 32768 [ 204.905653][ T6545] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 204.906885][ T6545] CPU: 0 PID: 6545 Comm: syz.1.612 Not tainted syzkaller #0 [ 204.908018][ T6545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 204.909647][ T6545] Call trace: [ 204.910258][ T6545] dump_backtrace+0x0/0x458 [ 204.911102][ T6545] show_stack+0x2c/0x3c [ 204.911851][ T6545] __dump_stack+0x30/0x40 [ 204.912635][ T6545] dump_stack_lvl+0xf4/0x15c [ 204.913473][ T6545] dump_stack+0x1c/0x5c [ 204.914198][ T6545] sysfs_create_dir_ns+0x244/0x264 [ 204.915045][ T6545] kobject_add_internal+0x594/0xc2c [ 204.916011][ T6545] kobject_init_and_add+0x128/0x194 [ 204.916916][ T6545] gfs2_sys_fs_add+0x208/0x428 [ 204.917756][ T6545] gfs2_fill_super+0xe20/0x1a9c [ 204.918668][ T6545] get_tree_bdev+0x35c/0x54c [ 204.919474][ T6545] gfs2_get_tree+0x58/0x1b8 [ 204.920266][ T6545] vfs_get_tree+0x90/0x278 [ 204.921151][ T6545] do_new_mount+0x228/0x804 [ 204.921930][ T6545] path_mount+0x57c/0xfe8 [ 204.922718][ T6545] __arm64_sys_mount+0x488/0x5f8 [ 204.923599][ T6545] invoke_syscall+0x98/0x28c [ 204.924428][ T6545] el0_svc_common+0x13c/0x258 [ 204.925286][ T6545] do_el0_svc+0x5c/0x140 [ 204.925981][ T6545] el0_svc+0x78/0x1d0 [ 204.926618][ T6545] el0t_64_sync_handler+0xcc/0xe4 [ 204.927591][ T6545] el0t_64_sync+0x1a0/0x1a4 [ 204.929165][ T6545] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.932093][ T6545] gfs2: fsid=](_: error -17 adding sysfs files [ 205.066538][ T6548] loop1: detected capacity change from 0 to 32768 [ 205.114352][ T6548] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 205.115608][ T6548] CPU: 1 PID: 6548 Comm: syz.1.613 Not tainted syzkaller #0 [ 205.116772][ T6548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 205.118459][ T6548] Call trace: [ 205.119028][ T6548] dump_backtrace+0x0/0x458 [ 205.119822][ T6548] show_stack+0x2c/0x3c [ 205.120520][ T6548] __dump_stack+0x30/0x40 [ 205.121272][ T6548] dump_stack_lvl+0xf4/0x15c [ 205.122071][ T6548] dump_stack+0x1c/0x5c [ 205.122920][ T6548] sysfs_create_dir_ns+0x244/0x264 [ 205.123824][ T6548] kobject_add_internal+0x594/0xc2c [ 205.124689][ T6548] kobject_init_and_add+0x128/0x194 [ 205.125560][ T6548] gfs2_sys_fs_add+0x208/0x428 [ 205.126392][ T6548] gfs2_fill_super+0xe20/0x1a9c [ 205.127257][ T6548] get_tree_bdev+0x35c/0x54c [ 205.127881][ T6548] gfs2_get_tree+0x58/0x1b8 [ 205.128565][ T6548] vfs_get_tree+0x90/0x278 [ 205.129361][ T6548] do_new_mount+0x228/0x804 [ 205.130166][ T6548] path_mount+0x57c/0xfe8 [ 205.130850][ T6548] __arm64_sys_mount+0x488/0x5f8 [ 205.131686][ T6548] invoke_syscall+0x98/0x28c [ 205.132441][ T6548] el0_svc_common+0x13c/0x258 [ 205.133229][ T6548] do_el0_svc+0x5c/0x140 [ 205.133995][ T6548] el0_svc+0x78/0x1d0 [ 205.134738][ T6548] el0t_64_sync_handler+0xcc/0xe4 [ 205.135643][ T6548] el0t_64_sync+0x1a0/0x1a4 [ 205.137951][ T6548] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.140330][ T6548] gfs2: fsid=](_: error -17 adding sysfs files [ 205.268979][ T6551] loop1: detected capacity change from 0 to 32768 [ 205.312212][ T6551] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 205.313718][ T6551] CPU: 1 PID: 6551 Comm: syz.1.614 Not tainted syzkaller #0 [ 205.315019][ T6551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 205.316629][ T6551] Call trace: [ 205.317115][ T6551] dump_backtrace+0x0/0x458 [ 205.317811][ T6551] show_stack+0x2c/0x3c [ 205.318465][ T6551] __dump_stack+0x30/0x40 [ 205.319162][ T6551] dump_stack_lvl+0xf4/0x15c [ 205.319927][ T6551] dump_stack+0x1c/0x5c [ 205.320628][ T6551] sysfs_create_dir_ns+0x244/0x264 [ 205.321508][ T6551] kobject_add_internal+0x594/0xc2c [ 205.322409][ T6551] kobject_init_and_add+0x128/0x194 [ 205.323303][ T6551] gfs2_sys_fs_add+0x208/0x428 [ 205.324134][ T6551] gfs2_fill_super+0xe20/0x1a9c [ 205.324975][ T6551] get_tree_bdev+0x35c/0x54c [ 205.325745][ T6551] gfs2_get_tree+0x58/0x1b8 [ 205.326610][ T6551] vfs_get_tree+0x90/0x278 [ 205.327418][ T6551] do_new_mount+0x228/0x804 [ 205.328193][ T6551] path_mount+0x57c/0xfe8 [ 205.328979][ T6551] __arm64_sys_mount+0x488/0x5f8 [ 205.329775][ T6551] invoke_syscall+0x98/0x28c [ 205.330535][ T6551] el0_svc_common+0x13c/0x258 [ 205.331323][ T6551] do_el0_svc+0x5c/0x140 [ 205.332097][ T6551] el0_svc+0x78/0x1d0 [ 205.332741][ T6551] el0t_64_sync_handler+0xcc/0xe4 [ 205.333570][ T6551] el0t_64_sync+0x1a0/0x1a4 [ 205.335897][ T6551] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.338035][ T6551] gfs2: fsid=](_: error -17 adding sysfs files [ 205.470730][ T6554] loop1: detected capacity change from 0 to 32768 [ 205.478210][ T6554] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 205.479526][ T6554] CPU: 1 PID: 6554 Comm: syz.1.615 Not tainted syzkaller #0 [ 205.480773][ T6554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 205.482457][ T6554] Call trace: [ 205.482996][ T6554] dump_backtrace+0x0/0x458 [ 205.483748][ T6554] show_stack+0x2c/0x3c [ 205.484358][ T6554] __dump_stack+0x30/0x40 [ 205.485122][ T6554] dump_stack_lvl+0xf4/0x15c [ 205.485873][ T6554] dump_stack+0x1c/0x5c [ 205.486537][ T6554] sysfs_create_dir_ns+0x244/0x264 [ 205.487340][ T6554] kobject_add_internal+0x594/0xc2c [ 205.488177][ T6554] kobject_init_and_add+0x128/0x194 [ 205.489049][ T6554] gfs2_sys_fs_add+0x208/0x428 [ 205.489949][ T6554] gfs2_fill_super+0xe20/0x1a9c [ 205.490794][ T6554] get_tree_bdev+0x35c/0x54c [ 205.491625][ T6554] gfs2_get_tree+0x58/0x1b8 [ 205.492480][ T6554] vfs_get_tree+0x90/0x278 [ 205.493227][ T6554] do_new_mount+0x228/0x804 [ 205.493985][ T6554] path_mount+0x57c/0xfe8 [ 205.494765][ T6554] __arm64_sys_mount+0x488/0x5f8 [ 205.495654][ T6554] invoke_syscall+0x98/0x28c [ 205.496457][ T6554] el0_svc_common+0x13c/0x258 [ 205.497336][ T6554] do_el0_svc+0x5c/0x140 [ 205.498073][ T6554] el0_svc+0x78/0x1d0 [ 205.498743][ T6554] el0t_64_sync_handler+0xcc/0xe4 [ 205.499657][ T6554] el0t_64_sync+0x1a0/0x1a4 [ 205.503732][ T6554] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.505836][ T6554] gfs2: fsid=](_: error -17 adding sysfs files [ 205.637588][ T6557] loop1: detected capacity change from 0 to 32768 [ 205.670649][ T6557] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 205.672008][ T6557] CPU: 0 PID: 6557 Comm: syz.1.616 Not tainted syzkaller #0 [ 205.673221][ T6557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 205.674913][ T6557] Call trace: [ 205.675356][ T6557] dump_backtrace+0x0/0x458 [ 205.676135][ T6557] show_stack+0x2c/0x3c [ 205.676783][ T6557] __dump_stack+0x30/0x40 [ 205.677539][ T6557] dump_stack_lvl+0xf4/0x15c [ 205.678261][ T6557] dump_stack+0x1c/0x5c [ 205.678914][ T6557] sysfs_create_dir_ns+0x244/0x264 [ 205.679766][ T6557] kobject_add_internal+0x594/0xc2c [ 205.680665][ T6557] kobject_init_and_add+0x128/0x194 [ 205.681599][ T6557] gfs2_sys_fs_add+0x208/0x428 [ 205.682410][ T6557] gfs2_fill_super+0xe20/0x1a9c [ 205.683395][ T6557] get_tree_bdev+0x35c/0x54c [ 205.684212][ T6557] gfs2_get_tree+0x58/0x1b8 [ 205.685006][ T6557] vfs_get_tree+0x90/0x278 [ 205.685889][ T6557] do_new_mount+0x228/0x804 [ 205.686743][ T6557] path_mount+0x57c/0xfe8 [ 205.687519][ T6557] __arm64_sys_mount+0x488/0x5f8 [ 205.688482][ T6557] invoke_syscall+0x98/0x28c [ 205.689345][ T6557] el0_svc_common+0x13c/0x258 [ 205.690151][ T6557] do_el0_svc+0x5c/0x140 [ 205.690867][ T6557] el0_svc+0x78/0x1d0 [ 205.691573][ T6557] el0t_64_sync_handler+0xcc/0xe4 [ 205.692450][ T6557] el0t_64_sync+0x1a0/0x1a4 [ 205.693322][ T6557] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.695321][ T6557] gfs2: fsid=](_: error -17 adding sysfs files [ 205.831357][ T6560] loop1: detected capacity change from 0 to 32768 [ 205.838955][ T6560] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 205.840299][ T6560] CPU: 1 PID: 6560 Comm: syz.1.617 Not tainted syzkaller #0 [ 205.841498][ T6560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 205.843055][ T6560] Call trace: [ 205.843668][ T6560] dump_backtrace+0x0/0x458 [ 205.844373][ T6560] show_stack+0x2c/0x3c [ 205.845006][ T6560] __dump_stack+0x30/0x40 [ 205.845645][ T6560] dump_stack_lvl+0xf4/0x15c [ 205.846355][ T6560] dump_stack+0x1c/0x5c [ 205.847005][ T6560] sysfs_create_dir_ns+0x244/0x264 [ 205.847821][ T6560] kobject_add_internal+0x594/0xc2c [ 205.848768][ T6560] kobject_init_and_add+0x128/0x194 [ 205.849683][ T6560] gfs2_sys_fs_add+0x208/0x428 [ 205.850535][ T6560] gfs2_fill_super+0xe20/0x1a9c [ 205.851356][ T6560] get_tree_bdev+0x35c/0x54c [ 205.852114][ T6560] gfs2_get_tree+0x58/0x1b8 [ 205.852873][ T6560] vfs_get_tree+0x90/0x278 [ 205.853641][ T6560] do_new_mount+0x228/0x804 [ 205.854377][ T6560] path_mount+0x57c/0xfe8 [ 205.855126][ T6560] __arm64_sys_mount+0x488/0x5f8 [ 205.855974][ T6560] invoke_syscall+0x98/0x28c [ 205.856729][ T6560] el0_svc_common+0x13c/0x258 [ 205.857569][ T6560] do_el0_svc+0x5c/0x140 [ 205.858295][ T6560] el0_svc+0x78/0x1d0 [ 205.858893][ T6560] el0t_64_sync_handler+0xcc/0xe4 [ 205.859663][ T6560] el0t_64_sync+0x1a0/0x1a4 [ 205.862165][ T6560] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.864287][ T6560] gfs2: fsid=](_: error -17 adding sysfs files [ 205.943763][ T6563] chnl_net:caif_netlink_parms(): no params data found [ 205.960493][ T6563] bridge0: port 1(bridge_slave_0) entered blocking state [ 205.961776][ T6563] bridge0: port 1(bridge_slave_0) entered disabled state [ 205.963258][ T6563] device bridge_slave_0 entered promiscuous mode [ 205.965684][ T6563] bridge0: port 2(bridge_slave_1) entered blocking state [ 205.966954][ T6563] bridge0: port 2(bridge_slave_1) entered disabled state [ 205.968551][ T6563] device bridge_slave_1 entered promiscuous mode [ 205.976179][ T6563] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 205.978603][ T6563] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 205.988045][ T6563] team0: Port device team_slave_0 added [ 205.990321][ T6563] team0: Port device team_slave_1 added [ 205.996650][ T6563] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 205.997855][ T6563] 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. [ 206.002571][ T6563] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 206.005061][ T6563] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 206.006184][ T6563] 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. [ 206.010666][ T6563] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 206.080553][ T6563] device hsr_slave_0 entered promiscuous mode [ 206.149593][ T6563] device hsr_slave_1 entered promiscuous mode [ 206.199430][ T6563] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 206.200681][ T6563] Cannot create hsr debugfs directory [ 206.238110][ T6563] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 206.682850][ T6563] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 206.734979][ T6563] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 206.782744][ T6563] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 206.933600][ T6563] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 206.965679][ T6563] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 206.993415][ T6563] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 207.032761][ T6563] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 207.091151][ T6563] 8021q: adding VLAN 0 to HW filter on device bond0 [ 207.094874][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 207.096539][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 207.099121][ T6563] 8021q: adding VLAN 0 to HW filter on device team0 [ 207.102141][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 207.103845][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 207.105363][ T1806] bridge0: port 1(bridge_slave_0) entered blocking state [ 207.106572][ T1806] bridge0: port 1(bridge_slave_0) entered forwarding state [ 207.107963][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 207.112177][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 207.113851][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 207.115407][ T1667] bridge0: port 2(bridge_slave_1) entered blocking state [ 207.116638][ T1667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 207.119044][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 207.125615][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 207.128463][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 207.130560][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 207.132206][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 207.135115][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 207.136841][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 207.140877][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 207.142503][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 207.145135][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 207.146753][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 207.149303][ T6563] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 207.188956][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 207.190733][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 207.197234][ T6563] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 207.203388][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 207.205012][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 207.211201][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 207.213080][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 207.214677][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 207.216156][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 207.218478][ T6563] device veth0_vlan entered promiscuous mode [ 207.222815][ T6563] device veth1_vlan entered promiscuous mode [ 207.230455][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 207.232076][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 207.233513][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 207.235030][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 207.237579][ T6563] device veth0_macvtap entered promiscuous mode [ 207.240467][ T6563] device veth1_macvtap entered promiscuous mode [ 207.245073][ T6563] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 207.246792][ T6563] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 207.248391][ T6563] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 207.250326][ T6563] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 207.252874][ T6563] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 207.254249][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 207.255699][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 207.257163][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 207.258764][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 207.264666][ T6563] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 207.266365][ T6563] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 207.268137][ T6563] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 207.270136][ T6563] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 207.272243][ T6563] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 207.273409][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 207.275176][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 207.277940][ T6563] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 207.279282][ T6563] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 207.280938][ T6563] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 207.282299][ T6563] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 207.306491][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 207.307784][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 207.310315][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 207.315576][ T1667] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 207.316789][ T1667] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 207.318128][ T1667] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 207.455294][ T6575] loop1: detected capacity change from 0 to 32768 [ 207.458974][ T6575] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 207.460434][ T6575] CPU: 0 PID: 6575 Comm: syz.1.618 Not tainted syzkaller #0 [ 207.461555][ T6575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 207.463142][ T6575] Call trace: [ 207.463693][ T6575] dump_backtrace+0x0/0x458 [ 207.464487][ T6575] show_stack+0x2c/0x3c [ 207.465209][ T6575] __dump_stack+0x30/0x40 [ 207.465998][ T6575] dump_stack_lvl+0xf4/0x15c [ 207.466799][ T6575] dump_stack+0x1c/0x5c [ 207.467513][ T6575] sysfs_create_dir_ns+0x244/0x264 [ 207.468406][ T6575] kobject_add_internal+0x594/0xc2c [ 207.469339][ T6575] kobject_init_and_add+0x128/0x194 [ 207.470297][ T6575] gfs2_sys_fs_add+0x208/0x428 [ 207.471100][ T6575] gfs2_fill_super+0xe20/0x1a9c [ 207.471977][ T6575] get_tree_bdev+0x35c/0x54c [ 207.472899][ T6575] gfs2_get_tree+0x58/0x1b8 [ 207.473665][ T6575] vfs_get_tree+0x90/0x278 [ 207.474436][ T6575] do_new_mount+0x228/0x804 [ 207.475249][ T6575] path_mount+0x57c/0xfe8 [ 207.475962][ T6575] __arm64_sys_mount+0x488/0x5f8 [ 207.476902][ T6575] invoke_syscall+0x98/0x28c [ 207.477761][ T6575] el0_svc_common+0x13c/0x258 [ 207.478594][ T6575] do_el0_svc+0x5c/0x140 [ 207.479356][ T6575] el0_svc+0x78/0x1d0 [ 207.480087][ T6575] el0t_64_sync_handler+0xcc/0xe4 [ 207.480909][ T6575] el0t_64_sync+0x1a0/0x1a4 [ 207.483839][ T6575] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.485883][ T6575] gfs2: fsid=](_: error -17 adding sysfs files [ 207.741370][ T6578] loop1: detected capacity change from 0 to 32768 [ 207.749062][ T6578] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 207.750726][ T6578] CPU: 1 PID: 6578 Comm: syz.1.619 Not tainted syzkaller #0 [ 207.751926][ T6578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 207.753663][ T6578] Call trace: [ 207.754233][ T6578] dump_backtrace+0x0/0x458 [ 207.754996][ T6578] show_stack+0x2c/0x3c [ 207.755750][ T6578] __dump_stack+0x30/0x40 [ 207.756451][ T6578] dump_stack_lvl+0xf4/0x15c [ 207.757183][ T6578] dump_stack+0x1c/0x5c [ 207.757882][ T6578] sysfs_create_dir_ns+0x244/0x264 [ 207.758691][ T6578] kobject_add_internal+0x594/0xc2c [ 207.759607][ T6578] kobject_init_and_add+0x128/0x194 [ 207.760594][ T6578] gfs2_sys_fs_add+0x208/0x428 [ 207.761464][ T6578] gfs2_fill_super+0xe20/0x1a9c [ 207.762337][ T6578] get_tree_bdev+0x35c/0x54c [ 207.763152][ T6578] gfs2_get_tree+0x58/0x1b8 [ 207.763950][ T6578] vfs_get_tree+0x90/0x278 [ 207.764780][ T6578] do_new_mount+0x228/0x804 [ 207.765591][ T6578] path_mount+0x57c/0xfe8 [ 207.766349][ T6578] __arm64_sys_mount+0x488/0x5f8 [ 207.767206][ T6578] invoke_syscall+0x98/0x28c [ 207.768004][ T6578] el0_svc_common+0x13c/0x258 [ 207.768850][ T6578] do_el0_svc+0x5c/0x140 [ 207.769622][ T6578] el0_svc+0x78/0x1d0 [ 207.770322][ T6578] el0t_64_sync_handler+0xcc/0xe4 [ 207.771153][ T6578] el0t_64_sync+0x1a0/0x1a4 [ 207.773827][ T6578] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.775905][ T6578] gfs2: fsid=](_: error -17 adding sysfs files [ 207.939630][ T4073] Bluetooth: hci2: command 0x0409 tx timeout [ 207.967592][ T6581] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 207.968876][ T6581] CPU: 0 PID: 6581 Comm: syz.1.620 Not tainted syzkaller #0 [ 207.970173][ T6581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 207.971862][ T6581] Call trace: [ 207.972435][ T6581] dump_backtrace+0x0/0x458 [ 207.973232][ T6581] show_stack+0x2c/0x3c [ 207.973946][ T6581] __dump_stack+0x30/0x40 [ 207.974797][ T6581] dump_stack_lvl+0xf4/0x15c [ 207.975630][ T6581] dump_stack+0x1c/0x5c [ 207.976311][ T6581] sysfs_create_dir_ns+0x244/0x264 [ 207.977317][ T6581] kobject_add_internal+0x594/0xc2c [ 207.978246][ T6581] kobject_init_and_add+0x128/0x194 [ 207.979080][ T6581] gfs2_sys_fs_add+0x208/0x428 [ 207.979827][ T6581] gfs2_fill_super+0xe20/0x1a9c [ 207.980577][ T6581] get_tree_bdev+0x35c/0x54c [ 207.981299][ T6581] gfs2_get_tree+0x58/0x1b8 [ 207.981980][ T6581] vfs_get_tree+0x90/0x278 [ 207.982660][ T6581] do_new_mount+0x228/0x804 [ 207.983349][ T6581] path_mount+0x57c/0xfe8 [ 207.984016][ T6581] __arm64_sys_mount+0x488/0x5f8 [ 207.984781][ T6581] invoke_syscall+0x98/0x28c [ 207.985500][ T6581] el0_svc_common+0x13c/0x258 [ 207.986219][ T6581] do_el0_svc+0x5c/0x140 [ 207.986861][ T6581] el0_svc+0x78/0x1d0 [ 207.987448][ T6581] el0t_64_sync_handler+0xcc/0xe4 [ 207.988189][ T6581] el0t_64_sync+0x1a0/0x1a4 [ 207.989509][ T6581] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.991533][ T6581] gfs2: fsid=](_: error -17 adding sysfs files [ 208.063622][ T136] device hsr_slave_0 left promiscuous mode [ 208.109578][ T136] device hsr_slave_1 left promiscuous mode [ 208.137602][ T6584] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 208.138895][ T6584] CPU: 1 PID: 6584 Comm: syz.1.621 Not tainted syzkaller #0 [ 208.140204][ T6584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 208.141997][ T6584] Call trace: [ 208.142557][ T6584] dump_backtrace+0x0/0x458 [ 208.143300][ T6584] show_stack+0x2c/0x3c [ 208.144015][ T6584] __dump_stack+0x30/0x40 [ 208.144805][ T6584] dump_stack_lvl+0xf4/0x15c [ 208.145569][ T6584] dump_stack+0x1c/0x5c [ 208.146359][ T6584] sysfs_create_dir_ns+0x244/0x264 [ 208.147218][ T6584] kobject_add_internal+0x594/0xc2c [ 208.148119][ T6584] kobject_init_and_add+0x128/0x194 [ 208.149063][ T6584] gfs2_sys_fs_add+0x208/0x428 [ 208.149942][ T6584] gfs2_fill_super+0xe20/0x1a9c [ 208.150781][ T6584] get_tree_bdev+0x35c/0x54c [ 208.151602][ T6584] gfs2_get_tree+0x58/0x1b8 [ 208.152428][ T6584] vfs_get_tree+0x90/0x278 [ 208.153142][ T6584] do_new_mount+0x228/0x804 [ 208.153880][ T6584] path_mount+0x57c/0xfe8 [ 208.154598][ T6584] __arm64_sys_mount+0x488/0x5f8 [ 208.155463][ T6584] invoke_syscall+0x98/0x28c [ 208.156302][ T6584] el0_svc_common+0x13c/0x258 [ 208.157146][ T6584] do_el0_svc+0x5c/0x140 [ 208.157838][ T6584] el0_svc+0x78/0x1d0 [ 208.158543][ T6584] el0t_64_sync_handler+0xcc/0xe4 [ 208.159410][ T6584] el0t_64_sync+0x1a0/0x1a4 [ 208.160643][ T6584] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.162835][ T6584] gfs2: fsid=](_: error -17 adding sysfs files [ 208.219806][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 208.221192][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 208.222736][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 208.223989][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 208.225337][ T136] device bridge_slave_1 left promiscuous mode [ 208.226386][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 208.260201][ T136] device bridge_slave_0 left promiscuous mode [ 208.261245][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 208.379807][ T136] device veth1_macvtap left promiscuous mode [ 208.380902][ T136] device veth0_macvtap left promiscuous mode [ 208.382017][ T136] device veth1_vlan left promiscuous mode [ 208.382967][ T136] device veth0_vlan left promiscuous mode [ 208.440475][ T6587] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 208.441679][ T6587] CPU: 1 PID: 6587 Comm: syz.1.622 Not tainted syzkaller #0 [ 208.442884][ T6587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 208.444490][ T6587] Call trace: [ 208.444987][ T6587] dump_backtrace+0x0/0x458 [ 208.445708][ T6587] show_stack+0x2c/0x3c [ 208.446342][ T6587] __dump_stack+0x30/0x40 [ 208.447064][ T6587] dump_stack_lvl+0xf4/0x15c [ 208.447842][ T6587] dump_stack+0x1c/0x5c [ 208.448523][ T6587] sysfs_create_dir_ns+0x244/0x264 [ 208.449383][ T6587] kobject_add_internal+0x594/0xc2c [ 208.450441][ T6587] kobject_init_and_add+0x128/0x194 [ 208.451428][ T6587] gfs2_sys_fs_add+0x208/0x428 [ 208.452317][ T6587] gfs2_fill_super+0xe20/0x1a9c [ 208.453144][ T6587] get_tree_bdev+0x35c/0x54c [ 208.453957][ T6587] gfs2_get_tree+0x58/0x1b8 [ 208.454759][ T6587] vfs_get_tree+0x90/0x278 [ 208.455510][ T6587] do_new_mount+0x228/0x804 [ 208.456328][ T6587] path_mount+0x57c/0xfe8 [ 208.457100][ T6587] __arm64_sys_mount+0x488/0x5f8 [ 208.457989][ T6587] invoke_syscall+0x98/0x28c [ 208.458801][ T6587] el0_svc_common+0x13c/0x258 [ 208.459620][ T6587] do_el0_svc+0x5c/0x140 [ 208.460433][ T6587] el0_svc+0x78/0x1d0 [ 208.461144][ T6587] el0t_64_sync_handler+0xcc/0xe4 [ 208.462028][ T6587] el0t_64_sync+0x1a0/0x1a4 [ 208.468500][ T6587] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.472664][ T6587] gfs2: fsid=](_: error -17 adding sysfs files [ 208.536237][ T136] team0 (unregistering): Port device team_slave_1 removed [ 208.546843][ T136] team0 (unregistering): Port device team_slave_0 removed [ 208.550881][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 208.582920][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 208.617965][ T6590] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 208.619607][ T6590] CPU: 1 PID: 6590 Comm: syz.1.623 Not tainted syzkaller #0 [ 208.620893][ T6590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 208.622616][ T6590] Call trace: [ 208.623069][ T6590] dump_backtrace+0x0/0x458 [ 208.623858][ T6590] show_stack+0x2c/0x3c [ 208.624521][ T6590] __dump_stack+0x30/0x40 [ 208.625201][ T6590] dump_stack_lvl+0xf4/0x15c [ 208.625994][ T6590] dump_stack+0x1c/0x5c [ 208.626673][ T6590] sysfs_create_dir_ns+0x244/0x264 [ 208.627487][ T6590] kobject_add_internal+0x594/0xc2c [ 208.628384][ T6590] kobject_init_and_add+0x128/0x194 [ 208.629285][ T6590] gfs2_sys_fs_add+0x208/0x428 [ 208.630164][ T6590] gfs2_fill_super+0xe20/0x1a9c [ 208.631041][ T6590] get_tree_bdev+0x35c/0x54c [ 208.631827][ T6590] gfs2_get_tree+0x58/0x1b8 [ 208.632679][ T6590] vfs_get_tree+0x90/0x278 [ 208.633499][ T6590] do_new_mount+0x228/0x804 [ 208.634399][ T6590] path_mount+0x57c/0xfe8 [ 208.635097][ T6590] __arm64_sys_mount+0x488/0x5f8 [ 208.635939][ T6590] invoke_syscall+0x98/0x28c [ 208.636653][ T6590] el0_svc_common+0x13c/0x258 [ 208.637492][ T6590] do_el0_svc+0x5c/0x140 [ 208.638254][ T6590] el0_svc+0x78/0x1d0 [ 208.638926][ T6590] el0t_64_sync_handler+0xcc/0xe4 [ 208.639782][ T6590] el0t_64_sync+0x1a0/0x1a4 [ 208.643339][ T6590] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.645576][ T6590] gfs2: fsid=](_: error -17 adding sysfs files [ 208.693298][ T136] bond0 (unregistering): Released all slaves [ 208.845379][ T6593] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 208.846721][ T6593] CPU: 1 PID: 6593 Comm: syz.1.624 Not tainted syzkaller #0 [ 208.847871][ T6593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 208.849595][ T6593] Call trace: [ 208.850198][ T6593] dump_backtrace+0x0/0x458 [ 208.850980][ T6593] show_stack+0x2c/0x3c [ 208.851697][ T6593] __dump_stack+0x30/0x40 [ 208.852517][ T6593] dump_stack_lvl+0xf4/0x15c [ 208.853313][ T6593] dump_stack+0x1c/0x5c [ 208.854028][ T6593] sysfs_create_dir_ns+0x244/0x264 [ 208.854966][ T6593] kobject_add_internal+0x594/0xc2c [ 208.855905][ T6593] kobject_init_and_add+0x128/0x194 [ 208.856855][ T6593] gfs2_sys_fs_add+0x208/0x428 [ 208.857750][ T6593] gfs2_fill_super+0xe20/0x1a9c [ 208.858598][ T6593] get_tree_bdev+0x35c/0x54c [ 208.859451][ T6593] gfs2_get_tree+0x58/0x1b8 [ 208.860241][ T6593] vfs_get_tree+0x90/0x278 [ 208.860994][ T6593] do_new_mount+0x228/0x804 [ 208.861775][ T6593] path_mount+0x57c/0xfe8 [ 208.862635][ T6593] __arm64_sys_mount+0x488/0x5f8 [ 208.863456][ T6593] invoke_syscall+0x98/0x28c [ 208.864249][ T6593] el0_svc_common+0x13c/0x258 [ 208.865112][ T6593] do_el0_svc+0x5c/0x140 [ 208.865854][ T6593] el0_svc+0x78/0x1d0 [ 208.866602][ T6593] el0t_64_sync_handler+0xcc/0xe4 [ 208.867534][ T6593] el0t_64_sync+0x1a0/0x1a4 [ 208.870226][ T6593] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.872369][ T6593] gfs2: fsid=](_: error -17 adding sysfs files [ 209.130466][ T6596] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 209.131727][ T6596] CPU: 0 PID: 6596 Comm: syz.1.625 Not tainted syzkaller #0 [ 209.132887][ T6596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 209.134455][ T6596] Call trace: [ 209.135006][ T6596] dump_backtrace+0x0/0x458 [ 209.135748][ T6596] show_stack+0x2c/0x3c [ 209.136410][ T6596] __dump_stack+0x30/0x40 [ 209.137102][ T6596] dump_stack_lvl+0xf4/0x15c [ 209.137922][ T6596] dump_stack+0x1c/0x5c [ 209.138573][ T6596] sysfs_create_dir_ns+0x244/0x264 [ 209.139431][ T6596] kobject_add_internal+0x594/0xc2c [ 209.140345][ T6596] kobject_init_and_add+0x128/0x194 [ 209.141300][ T6596] gfs2_sys_fs_add+0x208/0x428 [ 209.142163][ T6596] gfs2_fill_super+0xe20/0x1a9c [ 209.143034][ T6596] get_tree_bdev+0x35c/0x54c [ 209.143830][ T6596] gfs2_get_tree+0x58/0x1b8 [ 209.144590][ T6596] vfs_get_tree+0x90/0x278 [ 209.145391][ T6596] do_new_mount+0x228/0x804 [ 209.146179][ T6596] path_mount+0x57c/0xfe8 [ 209.146958][ T6596] __arm64_sys_mount+0x488/0x5f8 [ 209.147855][ T6596] invoke_syscall+0x98/0x28c [ 209.148697][ T6596] el0_svc_common+0x13c/0x258 [ 209.149509][ T6596] do_el0_svc+0x5c/0x140 [ 209.150260][ T6596] el0_svc+0x78/0x1d0 [ 209.150991][ T6596] el0t_64_sync_handler+0xcc/0xe4 [ 209.151941][ T6596] el0t_64_sync+0x1a0/0x1a4 [ 209.154772][ T6596] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.156980][ T6596] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:29 executed programs: 612 [ 209.374150][ T6599] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 209.375451][ T6599] CPU: 0 PID: 6599 Comm: syz.1.626 Not tainted syzkaller #0 [ 209.376575][ T6599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 209.378179][ T6599] Call trace: [ 209.378718][ T6599] dump_backtrace+0x0/0x458 [ 209.379459][ T6599] show_stack+0x2c/0x3c [ 209.380160][ T6599] __dump_stack+0x30/0x40 [ 209.380912][ T6599] dump_stack_lvl+0xf4/0x15c [ 209.381755][ T6599] dump_stack+0x1c/0x5c [ 209.382452][ T6599] sysfs_create_dir_ns+0x244/0x264 [ 209.383360][ T6599] kobject_add_internal+0x594/0xc2c [ 209.384276][ T6599] kobject_init_and_add+0x128/0x194 [ 209.385254][ T6599] gfs2_sys_fs_add+0x208/0x428 [ 209.386096][ T6599] gfs2_fill_super+0xe20/0x1a9c [ 209.387003][ T6599] get_tree_bdev+0x35c/0x54c [ 209.387835][ T6599] gfs2_get_tree+0x58/0x1b8 [ 209.388560][ T6599] vfs_get_tree+0x90/0x278 [ 209.389351][ T6599] do_new_mount+0x228/0x804 [ 209.390170][ T6599] path_mount+0x57c/0xfe8 [ 209.390892][ T6599] __arm64_sys_mount+0x488/0x5f8 [ 209.391691][ T6599] invoke_syscall+0x98/0x28c [ 209.392471][ T6599] el0_svc_common+0x13c/0x258 [ 209.393339][ T6599] do_el0_svc+0x5c/0x140 [ 209.394086][ T6599] el0_svc+0x78/0x1d0 [ 209.394841][ T6599] el0t_64_sync_handler+0xcc/0xe4 [ 209.395701][ T6599] el0t_64_sync+0x1a0/0x1a4 [ 209.397925][ T6599] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.400333][ T6599] gfs2: fsid=](_: error -17 adding sysfs files [ 209.531240][ T6602] set_capacity_and_notify: 7 callbacks suppressed [ 209.531250][ T6602] loop1: detected capacity change from 0 to 32768 [ 209.593291][ T6602] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 209.594608][ T6602] CPU: 0 PID: 6602 Comm: syz.1.627 Not tainted syzkaller #0 [ 209.595799][ T6602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 209.597600][ T6602] Call trace: [ 209.598162][ T6602] dump_backtrace+0x0/0x458 [ 209.598966][ T6602] show_stack+0x2c/0x3c [ 209.599740][ T6602] __dump_stack+0x30/0x40 [ 209.600548][ T6602] dump_stack_lvl+0xf4/0x15c [ 209.601343][ T6602] dump_stack+0x1c/0x5c [ 209.602079][ T6602] sysfs_create_dir_ns+0x244/0x264 [ 209.602980][ T6602] kobject_add_internal+0x594/0xc2c [ 209.603839][ T6602] kobject_init_and_add+0x128/0x194 [ 209.604816][ T6602] gfs2_sys_fs_add+0x208/0x428 [ 209.605685][ T6602] gfs2_fill_super+0xe20/0x1a9c [ 209.606534][ T6602] get_tree_bdev+0x35c/0x54c [ 209.607318][ T6602] gfs2_get_tree+0x58/0x1b8 [ 209.608070][ T6602] vfs_get_tree+0x90/0x278 [ 209.608819][ T6602] do_new_mount+0x228/0x804 [ 209.609600][ T6602] path_mount+0x57c/0xfe8 [ 209.610337][ T6602] __arm64_sys_mount+0x488/0x5f8 [ 209.611166][ T6602] invoke_syscall+0x98/0x28c [ 209.611959][ T6602] el0_svc_common+0x13c/0x258 [ 209.612805][ T6602] do_el0_svc+0x5c/0x140 [ 209.613544][ T6602] el0_svc+0x78/0x1d0 [ 209.614190][ T6602] el0t_64_sync_handler+0xcc/0xe4 [ 209.615030][ T6602] el0t_64_sync+0x1a0/0x1a4 [ 209.617275][ T6602] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.619545][ T6602] gfs2: fsid=](_: error -17 adding sysfs files [ 209.756172][ T6605] loop1: detected capacity change from 0 to 32768 [ 209.770470][ T6605] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 209.771610][ T6605] CPU: 1 PID: 6605 Comm: syz.1.628 Not tainted syzkaller #0 [ 209.772790][ T6605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 209.774462][ T6605] Call trace: [ 209.775030][ T6605] dump_backtrace+0x0/0x458 [ 209.775849][ T6605] show_stack+0x2c/0x3c [ 209.776522][ T6605] __dump_stack+0x30/0x40 [ 209.777226][ T6605] dump_stack_lvl+0xf4/0x15c [ 209.778035][ T6605] dump_stack+0x1c/0x5c [ 209.778752][ T6605] sysfs_create_dir_ns+0x244/0x264 [ 209.779617][ T6605] kobject_add_internal+0x594/0xc2c [ 209.780482][ T6605] kobject_init_and_add+0x128/0x194 [ 209.781352][ T6605] gfs2_sys_fs_add+0x208/0x428 [ 209.782226][ T6605] gfs2_fill_super+0xe20/0x1a9c [ 209.783095][ T6605] get_tree_bdev+0x35c/0x54c [ 209.783883][ T6605] gfs2_get_tree+0x58/0x1b8 [ 209.784758][ T6605] vfs_get_tree+0x90/0x278 [ 209.785603][ T6605] do_new_mount+0x228/0x804 [ 209.786431][ T6605] path_mount+0x57c/0xfe8 [ 209.787259][ T6605] __arm64_sys_mount+0x488/0x5f8 [ 209.788200][ T6605] invoke_syscall+0x98/0x28c [ 209.789065][ T6605] el0_svc_common+0x13c/0x258 [ 209.789847][ T6605] do_el0_svc+0x5c/0x140 [ 209.790554][ T6605] el0_svc+0x78/0x1d0 [ 209.791257][ T6605] el0t_64_sync_handler+0xcc/0xe4 [ 209.792061][ T6605] el0t_64_sync+0x1a0/0x1a4 [ 209.794624][ T6605] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.796856][ T6605] gfs2: fsid=](_: error -17 adding sysfs files [ 209.928391][ T6608] loop1: detected capacity change from 0 to 32768 [ 210.019419][ T4715] Bluetooth: hci2: command 0x041b tx timeout [ 210.030783][ T6608] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 210.032019][ T6608] CPU: 0 PID: 6608 Comm: syz.1.629 Not tainted syzkaller #0 [ 210.033310][ T6608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 210.035084][ T6608] Call trace: [ 210.035712][ T6608] dump_backtrace+0x0/0x458 [ 210.036519][ T6608] show_stack+0x2c/0x3c [ 210.037206][ T6608] __dump_stack+0x30/0x40 [ 210.037943][ T6608] dump_stack_lvl+0xf4/0x15c [ 210.038765][ T6608] dump_stack+0x1c/0x5c [ 210.039491][ T6608] sysfs_create_dir_ns+0x244/0x264 [ 210.040324][ T6608] kobject_add_internal+0x594/0xc2c [ 210.041279][ T6608] kobject_init_and_add+0x128/0x194 [ 210.042249][ T6608] gfs2_sys_fs_add+0x208/0x428 [ 210.043081][ T6608] gfs2_fill_super+0xe20/0x1a9c [ 210.043899][ T6608] get_tree_bdev+0x35c/0x54c [ 210.044742][ T6608] gfs2_get_tree+0x58/0x1b8 [ 210.045525][ T6608] vfs_get_tree+0x90/0x278 [ 210.046286][ T6608] do_new_mount+0x228/0x804 [ 210.047110][ T6608] path_mount+0x57c/0xfe8 [ 210.047930][ T6608] __arm64_sys_mount+0x488/0x5f8 [ 210.048783][ T6608] invoke_syscall+0x98/0x28c [ 210.049539][ T6608] el0_svc_common+0x13c/0x258 [ 210.050397][ T6608] do_el0_svc+0x5c/0x140 [ 210.051170][ T6608] el0_svc+0x78/0x1d0 [ 210.051897][ T6608] el0t_64_sync_handler+0xcc/0xe4 [ 210.052807][ T6608] el0t_64_sync+0x1a0/0x1a4 [ 210.059494][ T6608] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.061653][ T6608] gfs2: fsid=](_: error -17 adding sysfs files [ 210.236121][ T6611] loop1: detected capacity change from 0 to 32768 [ 210.314277][ T6611] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 210.315545][ T6611] CPU: 0 PID: 6611 Comm: syz.1.630 Not tainted syzkaller #0 [ 210.316777][ T6611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 210.318538][ T6611] Call trace: [ 210.319090][ T6611] dump_backtrace+0x0/0x458 [ 210.319899][ T6611] show_stack+0x2c/0x3c [ 210.320665][ T6611] __dump_stack+0x30/0x40 [ 210.321448][ T6611] dump_stack_lvl+0xf4/0x15c [ 210.322254][ T6611] dump_stack+0x1c/0x5c [ 210.322947][ T6611] sysfs_create_dir_ns+0x244/0x264 [ 210.323837][ T6611] kobject_add_internal+0x594/0xc2c [ 210.324777][ T6611] kobject_init_and_add+0x128/0x194 [ 210.325632][ T6611] gfs2_sys_fs_add+0x208/0x428 [ 210.326440][ T6611] gfs2_fill_super+0xe20/0x1a9c [ 210.327319][ T6611] get_tree_bdev+0x35c/0x54c [ 210.328187][ T6611] gfs2_get_tree+0x58/0x1b8 [ 210.328994][ T6611] vfs_get_tree+0x90/0x278 [ 210.329730][ T6611] do_new_mount+0x228/0x804 [ 210.330513][ T6611] path_mount+0x57c/0xfe8 [ 210.331274][ T6611] __arm64_sys_mount+0x488/0x5f8 [ 210.332220][ T6611] invoke_syscall+0x98/0x28c [ 210.333028][ T6611] el0_svc_common+0x13c/0x258 [ 210.333876][ T6611] do_el0_svc+0x5c/0x140 [ 210.334595][ T6611] el0_svc+0x78/0x1d0 [ 210.335291][ T6611] el0t_64_sync_handler+0xcc/0xe4 [ 210.336164][ T6611] el0t_64_sync+0x1a0/0x1a4 [ 210.362438][ T6611] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.364720][ T6611] gfs2: fsid=](_: error -17 adding sysfs files [ 210.497053][ T6614] loop1: detected capacity change from 0 to 32768 [ 210.506329][ T6614] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 210.507673][ T6614] CPU: 0 PID: 6614 Comm: syz.1.631 Not tainted syzkaller #0 [ 210.508984][ T6614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 210.510819][ T6614] Call trace: [ 210.511405][ T6614] dump_backtrace+0x0/0x458 [ 210.512212][ T6614] show_stack+0x2c/0x3c [ 210.513040][ T6614] __dump_stack+0x30/0x40 [ 210.513848][ T6614] dump_stack_lvl+0xf4/0x15c [ 210.514627][ T6614] dump_stack+0x1c/0x5c [ 210.515360][ T6614] sysfs_create_dir_ns+0x244/0x264 [ 210.516244][ T6614] kobject_add_internal+0x594/0xc2c [ 210.517259][ T6614] kobject_init_and_add+0x128/0x194 [ 210.518199][ T6614] gfs2_sys_fs_add+0x208/0x428 [ 210.518997][ T6614] gfs2_fill_super+0xe20/0x1a9c [ 210.519888][ T6614] get_tree_bdev+0x35c/0x54c [ 210.520671][ T6614] gfs2_get_tree+0x58/0x1b8 [ 210.521458][ T6614] vfs_get_tree+0x90/0x278 [ 210.522257][ T6614] do_new_mount+0x228/0x804 [ 210.523045][ T6614] path_mount+0x57c/0xfe8 [ 210.523852][ T6614] __arm64_sys_mount+0x488/0x5f8 [ 210.524753][ T6614] invoke_syscall+0x98/0x28c [ 210.525557][ T6614] el0_svc_common+0x13c/0x258 [ 210.526376][ T6614] do_el0_svc+0x5c/0x140 [ 210.527224][ T6614] el0_svc+0x78/0x1d0 [ 210.527913][ T6614] el0t_64_sync_handler+0xcc/0xe4 [ 210.528833][ T6614] el0t_64_sync+0x1a0/0x1a4 [ 210.530181][ T6614] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.532102][ T6614] gfs2: fsid=](_: error -17 adding sysfs files [ 210.661286][ T6617] loop1: detected capacity change from 0 to 32768 [ 210.744571][ T6617] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 210.745823][ T6617] CPU: 1 PID: 6617 Comm: syz.1.632 Not tainted syzkaller #0 [ 210.746988][ T6617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 210.748700][ T6617] Call trace: [ 210.749221][ T6617] dump_backtrace+0x0/0x458 [ 210.750059][ T6617] show_stack+0x2c/0x3c [ 210.750781][ T6617] __dump_stack+0x30/0x40 [ 210.751510][ T6617] dump_stack_lvl+0xf4/0x15c [ 210.752330][ T6617] dump_stack+0x1c/0x5c [ 210.753101][ T6617] sysfs_create_dir_ns+0x244/0x264 [ 210.754064][ T6617] kobject_add_internal+0x594/0xc2c [ 210.755044][ T6617] kobject_init_and_add+0x128/0x194 [ 210.755926][ T6617] gfs2_sys_fs_add+0x208/0x428 [ 210.756751][ T6617] gfs2_fill_super+0xe20/0x1a9c [ 210.757598][ T6617] get_tree_bdev+0x35c/0x54c [ 210.758425][ T6617] gfs2_get_tree+0x58/0x1b8 [ 210.759241][ T6617] vfs_get_tree+0x90/0x278 [ 210.760023][ T6617] do_new_mount+0x228/0x804 [ 210.760755][ T6617] path_mount+0x57c/0xfe8 [ 210.761513][ T6617] __arm64_sys_mount+0x488/0x5f8 [ 210.762358][ T6617] invoke_syscall+0x98/0x28c [ 210.763178][ T6617] el0_svc_common+0x13c/0x258 [ 210.764038][ T6617] do_el0_svc+0x5c/0x140 [ 210.764750][ T6617] el0_svc+0x78/0x1d0 [ 210.765453][ T6617] el0t_64_sync_handler+0xcc/0xe4 [ 210.766386][ T6617] el0t_64_sync+0x1a0/0x1a4 [ 210.768792][ T6617] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.771147][ T6617] gfs2: fsid=](_: error -17 adding sysfs files [ 210.908106][ T6620] loop1: detected capacity change from 0 to 32768 [ 210.940615][ T6620] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 210.941867][ T6620] CPU: 0 PID: 6620 Comm: syz.1.633 Not tainted syzkaller #0 [ 210.943052][ T6620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 210.944578][ T6620] Call trace: [ 210.945142][ T6620] dump_backtrace+0x0/0x458 [ 210.945917][ T6620] show_stack+0x2c/0x3c [ 210.946593][ T6620] __dump_stack+0x30/0x40 [ 210.947311][ T6620] dump_stack_lvl+0xf4/0x15c [ 210.948066][ T6620] dump_stack+0x1c/0x5c [ 210.948799][ T6620] sysfs_create_dir_ns+0x244/0x264 [ 210.949717][ T6620] kobject_add_internal+0x594/0xc2c [ 210.950653][ T6620] kobject_init_and_add+0x128/0x194 [ 210.951609][ T6620] gfs2_sys_fs_add+0x208/0x428 [ 210.952424][ T6620] gfs2_fill_super+0xe20/0x1a9c [ 210.953339][ T6620] get_tree_bdev+0x35c/0x54c [ 210.954114][ T6620] gfs2_get_tree+0x58/0x1b8 [ 210.954871][ T6620] vfs_get_tree+0x90/0x278 [ 210.955754][ T6620] do_new_mount+0x228/0x804 [ 210.956577][ T6620] path_mount+0x57c/0xfe8 [ 210.957302][ T6620] __arm64_sys_mount+0x488/0x5f8 [ 210.958131][ T6620] invoke_syscall+0x98/0x28c [ 210.958943][ T6620] el0_svc_common+0x13c/0x258 [ 210.959711][ T6620] do_el0_svc+0x5c/0x140 [ 210.960461][ T6620] el0_svc+0x78/0x1d0 [ 210.961125][ T6620] el0t_64_sync_handler+0xcc/0xe4 [ 210.961979][ T6620] el0t_64_sync+0x1a0/0x1a4 [ 210.964229][ T6620] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.966419][ T6620] gfs2: fsid=](_: error -17 adding sysfs files [ 211.097135][ T6623] loop1: detected capacity change from 0 to 32768 [ 211.154652][ T6623] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 211.155944][ T6623] CPU: 0 PID: 6623 Comm: syz.1.634 Not tainted syzkaller #0 [ 211.157161][ T6623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 211.158771][ T6623] Call trace: [ 211.159264][ T6623] dump_backtrace+0x0/0x458 [ 211.160019][ T6623] show_stack+0x2c/0x3c [ 211.160746][ T6623] __dump_stack+0x30/0x40 [ 211.161529][ T6623] dump_stack_lvl+0xf4/0x15c [ 211.162356][ T6623] dump_stack+0x1c/0x5c [ 211.163106][ T6623] sysfs_create_dir_ns+0x244/0x264 [ 211.164040][ T6623] kobject_add_internal+0x594/0xc2c [ 211.164973][ T6623] kobject_init_and_add+0x128/0x194 [ 211.165912][ T6623] gfs2_sys_fs_add+0x208/0x428 [ 211.166731][ T6623] gfs2_fill_super+0xe20/0x1a9c [ 211.167652][ T6623] get_tree_bdev+0x35c/0x54c [ 211.168468][ T6623] gfs2_get_tree+0x58/0x1b8 [ 211.169243][ T6623] vfs_get_tree+0x90/0x278 [ 211.170006][ T6623] do_new_mount+0x228/0x804 [ 211.170827][ T6623] path_mount+0x57c/0xfe8 [ 211.171629][ T6623] __arm64_sys_mount+0x488/0x5f8 [ 211.172494][ T6623] invoke_syscall+0x98/0x28c [ 211.173436][ T6623] el0_svc_common+0x13c/0x258 [ 211.174227][ T6623] do_el0_svc+0x5c/0x140 [ 211.174922][ T6623] el0_svc+0x78/0x1d0 [ 211.175597][ T6623] el0t_64_sync_handler+0xcc/0xe4 [ 211.176432][ T6623] el0t_64_sync+0x1a0/0x1a4 [ 211.178797][ T6623] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.181164][ T6623] gfs2: fsid=](_: error -17 adding sysfs files [ 211.310495][ T6626] loop1: detected capacity change from 0 to 32768 [ 211.403148][ T6626] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 211.404376][ T6626] CPU: 1 PID: 6626 Comm: syz.1.635 Not tainted syzkaller #0 [ 211.405576][ T6626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 211.407188][ T6626] Call trace: [ 211.407787][ T6626] dump_backtrace+0x0/0x458 [ 211.408608][ T6626] show_stack+0x2c/0x3c [ 211.409310][ T6626] __dump_stack+0x30/0x40 [ 211.410067][ T6626] dump_stack_lvl+0xf4/0x15c [ 211.410900][ T6626] dump_stack+0x1c/0x5c [ 211.411579][ T6626] sysfs_create_dir_ns+0x244/0x264 [ 211.412453][ T6626] kobject_add_internal+0x594/0xc2c [ 211.413343][ T6626] kobject_init_and_add+0x128/0x194 [ 211.414189][ T6626] gfs2_sys_fs_add+0x208/0x428 [ 211.414972][ T6626] gfs2_fill_super+0xe20/0x1a9c [ 211.415765][ T6626] get_tree_bdev+0x35c/0x54c [ 211.416563][ T6626] gfs2_get_tree+0x58/0x1b8 [ 211.417339][ T6626] vfs_get_tree+0x90/0x278 [ 211.418155][ T6626] do_new_mount+0x228/0x804 [ 211.418928][ T6626] path_mount+0x57c/0xfe8 [ 211.419639][ T6626] __arm64_sys_mount+0x488/0x5f8 [ 211.420432][ T6626] invoke_syscall+0x98/0x28c [ 211.421181][ T6626] el0_svc_common+0x13c/0x258 [ 211.422057][ T6626] do_el0_svc+0x5c/0x140 [ 211.422685][ T6626] el0_svc+0x78/0x1d0 [ 211.423282][ T6626] el0t_64_sync_handler+0xcc/0xe4 [ 211.424143][ T6626] el0t_64_sync+0x1a0/0x1a4 [ 211.426557][ T6626] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.428547][ T6626] gfs2: fsid=](_: error -17 adding sysfs files [ 211.558533][ T6629] loop1: detected capacity change from 0 to 32768 [ 211.601036][ T6629] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 211.602196][ T6629] CPU: 1 PID: 6629 Comm: syz.1.636 Not tainted syzkaller #0 [ 211.603499][ T6629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 211.605066][ T6629] Call trace: [ 211.605575][ T6629] dump_backtrace+0x0/0x458 [ 211.606300][ T6629] show_stack+0x2c/0x3c [ 211.607017][ T6629] __dump_stack+0x30/0x40 [ 211.607692][ T6629] dump_stack_lvl+0xf4/0x15c [ 211.608454][ T6629] dump_stack+0x1c/0x5c [ 211.609175][ T6629] sysfs_create_dir_ns+0x244/0x264 [ 211.610123][ T6629] kobject_add_internal+0x594/0xc2c [ 211.611061][ T6629] kobject_init_and_add+0x128/0x194 [ 211.612027][ T6629] gfs2_sys_fs_add+0x208/0x428 [ 211.612936][ T6629] gfs2_fill_super+0xe20/0x1a9c [ 211.613844][ T6629] get_tree_bdev+0x35c/0x54c [ 211.614649][ T6629] gfs2_get_tree+0x58/0x1b8 [ 211.615442][ T6629] vfs_get_tree+0x90/0x278 [ 211.616207][ T6629] do_new_mount+0x228/0x804 [ 211.616940][ T6629] path_mount+0x57c/0xfe8 [ 211.617658][ T6629] __arm64_sys_mount+0x488/0x5f8 [ 211.618488][ T6629] invoke_syscall+0x98/0x28c [ 211.619215][ T6629] el0_svc_common+0x13c/0x258 [ 211.619996][ T6629] do_el0_svc+0x5c/0x140 [ 211.620724][ T6629] el0_svc+0x78/0x1d0 [ 211.621387][ T6629] el0t_64_sync_handler+0xcc/0xe4 [ 211.622293][ T6629] el0t_64_sync+0x1a0/0x1a4 [ 211.624505][ T6629] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.626682][ T6629] gfs2: fsid=](_: error -17 adding sysfs files [ 211.831060][ T6632] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 211.832557][ T6632] CPU: 0 PID: 6632 Comm: syz.1.637 Not tainted syzkaller #0 [ 211.833940][ T6632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 211.835542][ T6632] Call trace: [ 211.836088][ T6632] dump_backtrace+0x0/0x458 [ 211.836835][ T6632] show_stack+0x2c/0x3c [ 211.837497][ T6632] __dump_stack+0x30/0x40 [ 211.838262][ T6632] dump_stack_lvl+0xf4/0x15c [ 211.839018][ T6632] dump_stack+0x1c/0x5c [ 211.839650][ T6632] sysfs_create_dir_ns+0x244/0x264 [ 211.840497][ T6632] kobject_add_internal+0x594/0xc2c [ 211.841408][ T6632] kobject_init_and_add+0x128/0x194 [ 211.842412][ T6632] gfs2_sys_fs_add+0x208/0x428 [ 211.843227][ T6632] gfs2_fill_super+0xe20/0x1a9c [ 211.844119][ T6632] get_tree_bdev+0x35c/0x54c [ 211.844949][ T6632] gfs2_get_tree+0x58/0x1b8 [ 211.845702][ T6632] vfs_get_tree+0x90/0x278 [ 211.846485][ T6632] do_new_mount+0x228/0x804 [ 211.847298][ T6632] path_mount+0x57c/0xfe8 [ 211.848029][ T6632] __arm64_sys_mount+0x488/0x5f8 [ 211.848846][ T6632] invoke_syscall+0x98/0x28c [ 211.849683][ T6632] el0_svc_common+0x13c/0x258 [ 211.850490][ T6632] do_el0_svc+0x5c/0x140 [ 211.851192][ T6632] el0_svc+0x78/0x1d0 [ 211.851912][ T6632] el0t_64_sync_handler+0xcc/0xe4 [ 211.852782][ T6632] el0t_64_sync+0x1a0/0x1a4 [ 211.855066][ T6632] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.857162][ T6632] gfs2: fsid=](_: error -17 adding sysfs files [ 212.090447][ T6635] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 212.091799][ T6635] CPU: 1 PID: 6635 Comm: syz.1.638 Not tainted syzkaller #0 [ 212.093023][ T6635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 212.094752][ T6635] Call trace: [ 212.095292][ T6635] dump_backtrace+0x0/0x458 [ 212.096010][ T6635] show_stack+0x2c/0x3c [ 212.096685][ T6635] __dump_stack+0x30/0x40 [ 212.097432][ T6635] dump_stack_lvl+0xf4/0x15c [ 212.098198][ T6635] dump_stack+0x1c/0x5c [ 212.098910][ T6635] sysfs_create_dir_ns+0x244/0x264 [ 212.099746][ T6635] kobject_add_internal+0x594/0xc2c [ 212.100674][ T6635] kobject_init_and_add+0x128/0x194 [ 212.101449][ T6635] gfs2_sys_fs_add+0x208/0x428 [ 212.102293][ T6635] gfs2_fill_super+0xe20/0x1a9c [ 212.103161][ T6635] get_tree_bdev+0x35c/0x54c [ 212.103969][ T6635] gfs2_get_tree+0x58/0x1b8 [ 212.104732][ T6635] vfs_get_tree+0x90/0x278 [ 212.105506][ T6635] do_new_mount+0x228/0x804 [ 212.106310][ T6635] path_mount+0x57c/0xfe8 [ 212.107105][ T6635] __arm64_sys_mount+0x488/0x5f8 [ 212.107936][ T6635] invoke_syscall+0x98/0x28c [ 212.108771][ T6635] el0_svc_common+0x13c/0x258 [ 212.109646][ T6635] do_el0_svc+0x5c/0x140 [ 212.110452][ T6635] el0_svc+0x78/0x1d0 [ 212.111164][ T6635] el0t_64_sync_handler+0xcc/0xe4 [ 212.112031][ T6635] el0t_64_sync+0x1a0/0x1a4 [ 212.112965][ T4718] Bluetooth: hci2: command 0x040f tx timeout [ 212.114023][ T6635] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.116147][ T6635] gfs2: fsid=](_: error -17 adding sysfs files [ 212.394921][ T6638] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 212.396195][ T6638] CPU: 1 PID: 6638 Comm: syz.1.639 Not tainted syzkaller #0 [ 212.397467][ T6638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 212.399075][ T6638] Call trace: [ 212.399676][ T6638] dump_backtrace+0x0/0x458 [ 212.400593][ T6638] show_stack+0x2c/0x3c [ 212.401348][ T6638] __dump_stack+0x30/0x40 [ 212.402211][ T6638] dump_stack_lvl+0xf4/0x15c [ 212.403063][ T6638] dump_stack+0x1c/0x5c [ 212.403803][ T6638] sysfs_create_dir_ns+0x244/0x264 [ 212.404690][ T6638] kobject_add_internal+0x594/0xc2c [ 212.405591][ T6638] kobject_init_and_add+0x128/0x194 [ 212.406467][ T6638] gfs2_sys_fs_add+0x208/0x428 [ 212.407274][ T6638] gfs2_fill_super+0xe20/0x1a9c [ 212.408180][ T6638] get_tree_bdev+0x35c/0x54c [ 212.408991][ T6638] gfs2_get_tree+0x58/0x1b8 [ 212.409803][ T6638] vfs_get_tree+0x90/0x278 [ 212.410565][ T6638] do_new_mount+0x228/0x804 [ 212.411386][ T6638] path_mount+0x57c/0xfe8 [ 212.412152][ T6638] __arm64_sys_mount+0x488/0x5f8 [ 212.413154][ T6638] invoke_syscall+0x98/0x28c [ 212.414029][ T6638] el0_svc_common+0x13c/0x258 [ 212.414860][ T6638] do_el0_svc+0x5c/0x140 [ 212.415608][ T6638] el0_svc+0x78/0x1d0 [ 212.416238][ T6638] el0t_64_sync_handler+0xcc/0xe4 [ 212.417127][ T6638] el0t_64_sync+0x1a0/0x1a4 [ 212.419975][ T6638] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.422065][ T6638] gfs2: fsid=](_: error -17 adding sysfs files [ 212.610721][ T6641] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 212.612370][ T6641] CPU: 0 PID: 6641 Comm: syz.1.640 Not tainted syzkaller #0 [ 212.613489][ T6641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 212.615129][ T6641] Call trace: [ 212.615702][ T6641] dump_backtrace+0x0/0x458 [ 212.616464][ T6641] show_stack+0x2c/0x3c [ 212.617127][ T6641] __dump_stack+0x30/0x40 [ 212.617864][ T6641] dump_stack_lvl+0xf4/0x15c [ 212.618697][ T6641] dump_stack+0x1c/0x5c [ 212.619432][ T6641] sysfs_create_dir_ns+0x244/0x264 [ 212.620322][ T6641] kobject_add_internal+0x594/0xc2c [ 212.621261][ T6641] kobject_init_and_add+0x128/0x194 [ 212.622175][ T6641] gfs2_sys_fs_add+0x208/0x428 [ 212.623015][ T6641] gfs2_fill_super+0xe20/0x1a9c [ 212.623855][ T6641] get_tree_bdev+0x35c/0x54c [ 212.624617][ T6641] gfs2_get_tree+0x58/0x1b8 [ 212.625400][ T6641] vfs_get_tree+0x90/0x278 [ 212.626150][ T6641] do_new_mount+0x228/0x804 [ 212.626934][ T6641] path_mount+0x57c/0xfe8 [ 212.627661][ T6641] __arm64_sys_mount+0x488/0x5f8 [ 212.628477][ T6641] invoke_syscall+0x98/0x28c [ 212.629280][ T6641] el0_svc_common+0x13c/0x258 [ 212.630177][ T6641] do_el0_svc+0x5c/0x140 [ 212.630951][ T6641] el0_svc+0x78/0x1d0 [ 212.631648][ T6641] el0t_64_sync_handler+0xcc/0xe4 [ 212.632570][ T6641] el0t_64_sync+0x1a0/0x1a4 [ 212.633947][ T6641] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.636082][ T6641] gfs2: fsid=](_: error -17 adding sysfs files [ 212.800499][ T6644] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 212.802170][ T6644] CPU: 1 PID: 6644 Comm: syz.1.641 Not tainted syzkaller #0 [ 212.803321][ T6644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 212.804824][ T6644] Call trace: [ 212.805368][ T6644] dump_backtrace+0x0/0x458 [ 212.806039][ T6644] show_stack+0x2c/0x3c [ 212.806685][ T6644] __dump_stack+0x30/0x40 [ 212.807509][ T6644] dump_stack_lvl+0xf4/0x15c [ 212.808262][ T6644] dump_stack+0x1c/0x5c [ 212.808951][ T6644] sysfs_create_dir_ns+0x244/0x264 [ 212.809856][ T6644] kobject_add_internal+0x594/0xc2c [ 212.810770][ T6644] kobject_init_and_add+0x128/0x194 [ 212.811701][ T6644] gfs2_sys_fs_add+0x208/0x428 [ 212.812499][ T6644] gfs2_fill_super+0xe20/0x1a9c [ 212.813296][ T6644] get_tree_bdev+0x35c/0x54c [ 212.814117][ T6644] gfs2_get_tree+0x58/0x1b8 [ 212.814933][ T6644] vfs_get_tree+0x90/0x278 [ 212.815725][ T6644] do_new_mount+0x228/0x804 [ 212.816505][ T6644] path_mount+0x57c/0xfe8 [ 212.817255][ T6644] __arm64_sys_mount+0x488/0x5f8 [ 212.818104][ T6644] invoke_syscall+0x98/0x28c [ 212.818897][ T6644] el0_svc_common+0x13c/0x258 [ 212.819699][ T6644] do_el0_svc+0x5c/0x140 [ 212.820453][ T6644] el0_svc+0x78/0x1d0 [ 212.821123][ T6644] el0t_64_sync_handler+0xcc/0xe4 [ 212.821971][ T6644] el0t_64_sync+0x1a0/0x1a4 [ 212.823706][ T6644] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.825816][ T6644] gfs2: fsid=](_: error -17 adding sysfs files [ 213.000510][ T6647] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 213.009512][ T6647] CPU: 0 PID: 6647 Comm: syz.1.642 Not tainted syzkaller #0 [ 213.010701][ T6647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 213.012226][ T6647] Call trace: [ 213.012731][ T6647] dump_backtrace+0x0/0x458 [ 213.013417][ T6647] show_stack+0x2c/0x3c [ 213.014040][ T6647] __dump_stack+0x30/0x40 [ 213.014775][ T6647] dump_stack_lvl+0xf4/0x15c [ 213.015592][ T6647] dump_stack+0x1c/0x5c [ 213.016307][ T6647] sysfs_create_dir_ns+0x244/0x264 [ 213.017189][ T6647] kobject_add_internal+0x594/0xc2c [ 213.018132][ T6647] kobject_init_and_add+0x128/0x194 [ 213.018925][ T6647] gfs2_sys_fs_add+0x208/0x428 [ 213.019769][ T6647] gfs2_fill_super+0xe20/0x1a9c [ 213.020645][ T6647] get_tree_bdev+0x35c/0x54c [ 213.021413][ T6647] gfs2_get_tree+0x58/0x1b8 [ 213.022283][ T6647] vfs_get_tree+0x90/0x278 [ 213.023063][ T6647] do_new_mount+0x228/0x804 [ 213.023859][ T6647] path_mount+0x57c/0xfe8 [ 213.024600][ T6647] __arm64_sys_mount+0x488/0x5f8 [ 213.025515][ T6647] invoke_syscall+0x98/0x28c [ 213.026360][ T6647] el0_svc_common+0x13c/0x258 [ 213.027167][ T6647] do_el0_svc+0x5c/0x140 [ 213.027893][ T6647] el0_svc+0x78/0x1d0 [ 213.028611][ T6647] el0t_64_sync_handler+0xcc/0xe4 [ 213.029441][ T6647] el0t_64_sync+0x1a0/0x1a4 [ 213.032339][ T6647] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.034421][ T6647] gfs2: fsid=](_: error -17 adding sysfs files [ 213.205270][ T6650] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 213.206528][ T6650] CPU: 0 PID: 6650 Comm: syz.1.643 Not tainted syzkaller #0 [ 213.207740][ T6650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 213.209414][ T6650] Call trace: [ 213.209969][ T6650] dump_backtrace+0x0/0x458 [ 213.210872][ T6650] show_stack+0x2c/0x3c [ 213.211615][ T6650] __dump_stack+0x30/0x40 [ 213.212438][ T6650] dump_stack_lvl+0xf4/0x15c [ 213.213236][ T6650] dump_stack+0x1c/0x5c [ 213.214064][ T6650] sysfs_create_dir_ns+0x244/0x264 [ 213.214932][ T6650] kobject_add_internal+0x594/0xc2c [ 213.215850][ T6650] kobject_init_and_add+0x128/0x194 [ 213.216796][ T6650] gfs2_sys_fs_add+0x208/0x428 [ 213.217556][ T6650] gfs2_fill_super+0xe20/0x1a9c [ 213.218401][ T6650] get_tree_bdev+0x35c/0x54c [ 213.219172][ T6650] gfs2_get_tree+0x58/0x1b8 [ 213.219889][ T6650] vfs_get_tree+0x90/0x278 [ 213.220615][ T6650] do_new_mount+0x228/0x804 [ 213.221325][ T6650] path_mount+0x57c/0xfe8 [ 213.222062][ T6650] __arm64_sys_mount+0x488/0x5f8 [ 213.222935][ T6650] invoke_syscall+0x98/0x28c [ 213.223748][ T6650] el0_svc_common+0x13c/0x258 [ 213.224609][ T6650] do_el0_svc+0x5c/0x140 [ 213.225364][ T6650] el0_svc+0x78/0x1d0 [ 213.226081][ T6650] el0t_64_sync_handler+0xcc/0xe4 [ 213.226983][ T6650] el0t_64_sync+0x1a0/0x1a4 [ 213.230270][ T6650] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.232375][ T6650] gfs2: fsid=](_: error -17 adding sysfs files [ 213.405716][ T6653] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 213.406997][ T6653] CPU: 0 PID: 6653 Comm: syz.1.644 Not tainted syzkaller #0 [ 213.408207][ T6653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 213.409782][ T6653] Call trace: [ 213.410341][ T6653] dump_backtrace+0x0/0x458 [ 213.411103][ T6653] show_stack+0x2c/0x3c [ 213.411795][ T6653] __dump_stack+0x30/0x40 [ 213.412571][ T6653] dump_stack_lvl+0xf4/0x15c [ 213.413353][ T6653] dump_stack+0x1c/0x5c [ 213.414070][ T6653] sysfs_create_dir_ns+0x244/0x264 [ 213.414937][ T6653] kobject_add_internal+0x594/0xc2c [ 213.415800][ T6653] kobject_init_and_add+0x128/0x194 [ 213.416639][ T6653] gfs2_sys_fs_add+0x208/0x428 [ 213.417442][ T6653] gfs2_fill_super+0xe20/0x1a9c [ 213.418255][ T6653] get_tree_bdev+0x35c/0x54c [ 213.419017][ T6653] gfs2_get_tree+0x58/0x1b8 [ 213.419805][ T6653] vfs_get_tree+0x90/0x278 [ 213.420550][ T6653] do_new_mount+0x228/0x804 [ 213.421307][ T6653] path_mount+0x57c/0xfe8 [ 213.422092][ T6653] __arm64_sys_mount+0x488/0x5f8 [ 213.422946][ T6653] invoke_syscall+0x98/0x28c [ 213.423726][ T6653] el0_svc_common+0x13c/0x258 [ 213.424499][ T6653] do_el0_svc+0x5c/0x140 [ 213.425257][ T6653] el0_svc+0x78/0x1d0 [ 213.425983][ T6653] el0t_64_sync_handler+0xcc/0xe4 [ 213.426880][ T6653] el0t_64_sync+0x1a0/0x1a4 [ 213.429939][ T6653] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.432217][ T6653] gfs2: fsid=](_: error -17 adding sysfs files [ 213.621794][ T6656] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 213.623076][ T6656] CPU: 0 PID: 6656 Comm: syz.1.645 Not tainted syzkaller #0 [ 213.624329][ T6656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 213.625954][ T6656] Call trace: [ 213.626493][ T6656] dump_backtrace+0x0/0x458 [ 213.627216][ T6656] show_stack+0x2c/0x3c [ 213.627855][ T6656] __dump_stack+0x30/0x40 [ 213.628541][ T6656] dump_stack_lvl+0xf4/0x15c [ 213.629304][ T6656] dump_stack+0x1c/0x5c [ 213.630056][ T6656] sysfs_create_dir_ns+0x244/0x264 [ 213.630954][ T6656] kobject_add_internal+0x594/0xc2c [ 213.631870][ T6656] kobject_init_and_add+0x128/0x194 [ 213.632796][ T6656] gfs2_sys_fs_add+0x208/0x428 [ 213.633653][ T6656] gfs2_fill_super+0xe20/0x1a9c [ 213.634528][ T6656] get_tree_bdev+0x35c/0x54c [ 213.635359][ T6656] gfs2_get_tree+0x58/0x1b8 [ 213.636265][ T6656] vfs_get_tree+0x90/0x278 [ 213.637040][ T6656] do_new_mount+0x228/0x804 [ 213.637860][ T6656] path_mount+0x57c/0xfe8 [ 213.638633][ T6656] __arm64_sys_mount+0x488/0x5f8 [ 213.639465][ T6656] invoke_syscall+0x98/0x28c [ 213.640326][ T6656] el0_svc_common+0x13c/0x258 [ 213.641178][ T6656] do_el0_svc+0x5c/0x140 [ 213.641988][ T6656] el0_svc+0x78/0x1d0 [ 213.642564][ T6656] el0t_64_sync_handler+0xcc/0xe4 [ 213.643313][ T6656] el0t_64_sync+0x1a0/0x1a4 [ 213.646111][ T6656] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.648153][ T6656] gfs2: fsid=](_: error -17 adding sysfs files [ 213.791879][ T6659] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 213.793039][ T6659] CPU: 0 PID: 6659 Comm: syz.1.646 Not tainted syzkaller #0 [ 213.794219][ T6659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 213.795789][ T6659] Call trace: [ 213.796363][ T6659] dump_backtrace+0x0/0x458 [ 213.797036][ T6659] show_stack+0x2c/0x3c [ 213.797716][ T6659] __dump_stack+0x30/0x40 [ 213.798501][ T6659] dump_stack_lvl+0xf4/0x15c [ 213.799233][ T6659] dump_stack+0x1c/0x5c [ 213.799937][ T6659] sysfs_create_dir_ns+0x244/0x264 [ 213.800797][ T6659] kobject_add_internal+0x594/0xc2c [ 213.801702][ T6659] kobject_init_and_add+0x128/0x194 [ 213.802625][ T6659] gfs2_sys_fs_add+0x208/0x428 [ 213.803411][ T6659] gfs2_fill_super+0xe20/0x1a9c [ 213.804221][ T6659] get_tree_bdev+0x35c/0x54c [ 213.805050][ T6659] gfs2_get_tree+0x58/0x1b8 [ 213.805759][ T6659] vfs_get_tree+0x90/0x278 [ 213.806495][ T6659] do_new_mount+0x228/0x804 [ 213.807201][ T6659] path_mount+0x57c/0xfe8 [ 213.807913][ T6659] __arm64_sys_mount+0x488/0x5f8 [ 213.808803][ T6659] invoke_syscall+0x98/0x28c [ 213.809591][ T6659] el0_svc_common+0x13c/0x258 [ 213.810410][ T6659] do_el0_svc+0x5c/0x140 [ 213.811235][ T6659] el0_svc+0x78/0x1d0 [ 213.812018][ T6659] el0t_64_sync_handler+0xcc/0xe4 [ 213.812906][ T6659] el0t_64_sync+0x1a0/0x1a4 [ 213.816370][ T6659] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.818579][ T6659] gfs2: fsid=](_: error -17 adding sysfs files [ 213.963486][ T6662] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 213.964899][ T6662] CPU: 1 PID: 6662 Comm: syz.1.647 Not tainted syzkaller #0 [ 213.966106][ T6662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 213.967768][ T6662] Call trace: [ 213.968256][ T6662] dump_backtrace+0x0/0x458 [ 213.968932][ T6662] show_stack+0x2c/0x3c [ 213.969669][ T6662] __dump_stack+0x30/0x40 [ 213.970477][ T6662] dump_stack_lvl+0xf4/0x15c [ 213.971302][ T6662] dump_stack+0x1c/0x5c [ 213.972011][ T6662] sysfs_create_dir_ns+0x244/0x264 [ 213.972935][ T6662] kobject_add_internal+0x594/0xc2c [ 213.973879][ T6662] kobject_init_and_add+0x128/0x194 [ 213.974848][ T6662] gfs2_sys_fs_add+0x208/0x428 [ 213.975650][ T6662] gfs2_fill_super+0xe20/0x1a9c [ 213.976498][ T6662] get_tree_bdev+0x35c/0x54c [ 213.977327][ T6662] gfs2_get_tree+0x58/0x1b8 [ 213.978135][ T6662] vfs_get_tree+0x90/0x278 [ 213.978955][ T6662] do_new_mount+0x228/0x804 [ 213.979767][ T6662] path_mount+0x57c/0xfe8 [ 213.980530][ T6662] __arm64_sys_mount+0x488/0x5f8 [ 213.981334][ T6662] invoke_syscall+0x98/0x28c [ 213.982140][ T6662] el0_svc_common+0x13c/0x258 [ 213.982956][ T6662] do_el0_svc+0x5c/0x140 [ 213.983672][ T6662] el0_svc+0x78/0x1d0 [ 213.984333][ T6662] el0t_64_sync_handler+0xcc/0xe4 [ 213.985244][ T6662] el0t_64_sync+0x1a0/0x1a4 [ 213.986265][ T6662] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.988647][ T6662] gfs2: fsid=](_: error -17 adding sysfs files [ 214.160616][ T6665] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 214.161857][ T6665] CPU: 1 PID: 6665 Comm: syz.1.648 Not tainted syzkaller #0 [ 214.163031][ T6665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 214.164568][ T6665] Call trace: [ 214.165075][ T6665] dump_backtrace+0x0/0x458 [ 214.165976][ T6665] show_stack+0x2c/0x3c [ 214.166807][ T6665] __dump_stack+0x30/0x40 [ 214.167537][ T6665] dump_stack_lvl+0xf4/0x15c [ 214.168361][ T6665] dump_stack+0x1c/0x5c [ 214.169055][ T6665] sysfs_create_dir_ns+0x244/0x264 [ 214.169904][ T6665] kobject_add_internal+0x594/0xc2c [ 214.170780][ T6665] kobject_init_and_add+0x128/0x194 [ 214.171721][ T6665] gfs2_sys_fs_add+0x208/0x428 [ 214.172564][ T6665] gfs2_fill_super+0xe20/0x1a9c [ 214.173451][ T6665] get_tree_bdev+0x35c/0x54c [ 214.174208][ T6665] gfs2_get_tree+0x58/0x1b8 [ 214.174968][ T6665] vfs_get_tree+0x90/0x278 [ 214.175745][ T6665] do_new_mount+0x228/0x804 [ 214.176609][ T6665] path_mount+0x57c/0xfe8 [ 214.177372][ T6665] __arm64_sys_mount+0x488/0x5f8 [ 214.178227][ T6665] invoke_syscall+0x98/0x28c [ 214.179012][ T6665] el0_svc_common+0x13c/0x258 [ 214.179870][ T6665] do_el0_svc+0x5c/0x140 [ 214.180603][ T6665] el0_svc+0x78/0x1d0 [ 214.181279][ T6665] el0t_64_sync_handler+0xcc/0xe4 [ 214.182181][ T6665] el0t_64_sync+0x1a0/0x1a4 [ 214.183151][ T4715] Bluetooth: hci2: command 0x0419 tx timeout [ 214.184293][ T6665] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.186305][ T6665] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:34 executed programs: 635 [ 214.360578][ T6668] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 214.361836][ T6668] CPU: 0 PID: 6668 Comm: syz.1.649 Not tainted syzkaller #0 [ 214.363078][ T6668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 214.364682][ T6668] Call trace: [ 214.365148][ T6668] dump_backtrace+0x0/0x458 [ 214.365882][ T6668] show_stack+0x2c/0x3c [ 214.366415][ T6668] __dump_stack+0x30/0x40 [ 214.367007][ T6668] dump_stack_lvl+0xf4/0x15c [ 214.367872][ T6668] dump_stack+0x1c/0x5c [ 214.368622][ T6668] sysfs_create_dir_ns+0x244/0x264 [ 214.369468][ T6668] kobject_add_internal+0x594/0xc2c [ 214.370420][ T6668] kobject_init_and_add+0x128/0x194 [ 214.371365][ T6668] gfs2_sys_fs_add+0x208/0x428 [ 214.372196][ T6668] gfs2_fill_super+0xe20/0x1a9c [ 214.373121][ T6668] get_tree_bdev+0x35c/0x54c [ 214.373916][ T6668] gfs2_get_tree+0x58/0x1b8 [ 214.374761][ T6668] vfs_get_tree+0x90/0x278 [ 214.375518][ T6668] do_new_mount+0x228/0x804 [ 214.376311][ T6668] path_mount+0x57c/0xfe8 [ 214.377167][ T6668] __arm64_sys_mount+0x488/0x5f8 [ 214.378089][ T6668] invoke_syscall+0x98/0x28c [ 214.378973][ T6668] el0_svc_common+0x13c/0x258 [ 214.379814][ T6668] do_el0_svc+0x5c/0x140 [ 214.380641][ T6668] el0_svc+0x78/0x1d0 [ 214.381326][ T6668] el0t_64_sync_handler+0xcc/0xe4 [ 214.382231][ T6668] el0t_64_sync+0x1a0/0x1a4 [ 214.383193][ T6668] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.385252][ T6668] gfs2: fsid=](_: error -17 adding sysfs files [ 214.526928][ T6671] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 214.528234][ T6671] CPU: 0 PID: 6671 Comm: syz.1.650 Not tainted syzkaller #0 [ 214.529391][ T6671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 214.531213][ T6671] Call trace: [ 214.531793][ T6671] dump_backtrace+0x0/0x458 [ 214.532631][ T6671] show_stack+0x2c/0x3c [ 214.533273][ T6671] __dump_stack+0x30/0x40 [ 214.534066][ T6671] dump_stack_lvl+0xf4/0x15c [ 214.534900][ T6671] dump_stack+0x1c/0x5c [ 214.535589][ T6671] sysfs_create_dir_ns+0x244/0x264 [ 214.536453][ T6671] kobject_add_internal+0x594/0xc2c [ 214.537390][ T6671] kobject_init_and_add+0x128/0x194 [ 214.538317][ T6671] gfs2_sys_fs_add+0x208/0x428 [ 214.539129][ T6671] gfs2_fill_super+0xe20/0x1a9c [ 214.539953][ T6671] get_tree_bdev+0x35c/0x54c [ 214.540735][ T6671] gfs2_get_tree+0x58/0x1b8 [ 214.541523][ T6671] vfs_get_tree+0x90/0x278 [ 214.542299][ T6671] do_new_mount+0x228/0x804 [ 214.543065][ T6671] path_mount+0x57c/0xfe8 [ 214.543861][ T6671] __arm64_sys_mount+0x488/0x5f8 [ 214.544684][ T6671] invoke_syscall+0x98/0x28c [ 214.545500][ T6671] el0_svc_common+0x13c/0x258 [ 214.546281][ T6671] do_el0_svc+0x5c/0x140 [ 214.547030][ T6671] el0_svc+0x78/0x1d0 [ 214.547700][ T6671] el0t_64_sync_handler+0xcc/0xe4 [ 214.548610][ T6671] el0t_64_sync+0x1a0/0x1a4 [ 214.551771][ T6671] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.554061][ T6671] gfs2: fsid=](_: error -17 adding sysfs files [ 214.693965][ T6674] set_capacity_and_notify: 14 callbacks suppressed [ 214.693976][ T6674] loop1: detected capacity change from 0 to 32768 [ 214.702750][ T6674] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 214.703994][ T6674] CPU: 1 PID: 6674 Comm: syz.1.651 Not tainted syzkaller #0 [ 214.705203][ T6674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 214.706606][ T6674] Call trace: [ 214.707120][ T6674] dump_backtrace+0x0/0x458 [ 214.707921][ T6674] show_stack+0x2c/0x3c [ 214.708626][ T6674] __dump_stack+0x30/0x40 [ 214.709346][ T6674] dump_stack_lvl+0xf4/0x15c [ 214.710086][ T6674] dump_stack+0x1c/0x5c [ 214.710806][ T6674] sysfs_create_dir_ns+0x244/0x264 [ 214.711715][ T6674] kobject_add_internal+0x594/0xc2c [ 214.712577][ T6674] kobject_init_and_add+0x128/0x194 [ 214.713434][ T6674] gfs2_sys_fs_add+0x208/0x428 [ 214.714221][ T6674] gfs2_fill_super+0xe20/0x1a9c [ 214.714976][ T6674] get_tree_bdev+0x35c/0x54c [ 214.715700][ T6674] gfs2_get_tree+0x58/0x1b8 [ 214.716425][ T6674] vfs_get_tree+0x90/0x278 [ 214.717140][ T6674] do_new_mount+0x228/0x804 [ 214.717855][ T6674] path_mount+0x57c/0xfe8 [ 214.718565][ T6674] __arm64_sys_mount+0x488/0x5f8 [ 214.719396][ T6674] invoke_syscall+0x98/0x28c [ 214.720160][ T6674] el0_svc_common+0x13c/0x258 [ 214.720968][ T6674] do_el0_svc+0x5c/0x140 [ 214.721709][ T6674] el0_svc+0x78/0x1d0 [ 214.722455][ T6674] el0t_64_sync_handler+0xcc/0xe4 [ 214.723314][ T6674] el0t_64_sync+0x1a0/0x1a4 [ 214.725438][ T6674] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.727676][ T6674] gfs2: fsid=](_: error -17 adding sysfs files [ 214.859530][ T6677] loop1: detected capacity change from 0 to 32768 [ 214.910653][ T6677] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 214.911730][ T6677] CPU: 1 PID: 6677 Comm: syz.1.652 Not tainted syzkaller #0 [ 214.912959][ T6677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 214.914608][ T6677] Call trace: [ 214.915290][ T6677] dump_backtrace+0x0/0x458 [ 214.916235][ T6677] show_stack+0x2c/0x3c [ 214.917009][ T6677] __dump_stack+0x30/0x40 [ 214.917828][ T6677] dump_stack_lvl+0xf4/0x15c [ 214.918701][ T6677] dump_stack+0x1c/0x5c [ 214.919462][ T6677] sysfs_create_dir_ns+0x244/0x264 [ 214.920340][ T6677] kobject_add_internal+0x594/0xc2c [ 214.921374][ T6677] kobject_init_and_add+0x128/0x194 [ 214.922364][ T6677] gfs2_sys_fs_add+0x208/0x428 [ 214.923322][ T6677] gfs2_fill_super+0xe20/0x1a9c [ 214.924182][ T6677] get_tree_bdev+0x35c/0x54c [ 214.924970][ T6677] gfs2_get_tree+0x58/0x1b8 [ 214.925753][ T6677] vfs_get_tree+0x90/0x278 [ 214.926501][ T6677] do_new_mount+0x228/0x804 [ 214.927267][ T6677] path_mount+0x57c/0xfe8 [ 214.928164][ T6677] __arm64_sys_mount+0x488/0x5f8 [ 214.929047][ T6677] invoke_syscall+0x98/0x28c [ 214.929769][ T6677] el0_svc_common+0x13c/0x258 [ 214.930614][ T6677] do_el0_svc+0x5c/0x140 [ 214.931348][ T6677] el0_svc+0x78/0x1d0 [ 214.932064][ T6677] el0t_64_sync_handler+0xcc/0xe4 [ 214.932935][ T6677] el0t_64_sync+0x1a0/0x1a4 [ 214.934114][ T6677] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.936196][ T6677] gfs2: fsid=](_: error -17 adding sysfs files [ 215.067754][ T6680] loop1: detected capacity change from 0 to 32768 [ 215.110628][ T6680] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 215.112401][ T6680] CPU: 0 PID: 6680 Comm: syz.1.653 Not tainted syzkaller #0 [ 215.113675][ T6680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 215.115490][ T6680] Call trace: [ 215.116020][ T6680] dump_backtrace+0x0/0x458 [ 215.116765][ T6680] show_stack+0x2c/0x3c [ 215.117430][ T6680] __dump_stack+0x30/0x40 [ 215.118175][ T6680] dump_stack_lvl+0xf4/0x15c [ 215.118942][ T6680] dump_stack+0x1c/0x5c [ 215.119620][ T6680] sysfs_create_dir_ns+0x244/0x264 [ 215.120530][ T6680] kobject_add_internal+0x594/0xc2c [ 215.121456][ T6680] kobject_init_and_add+0x128/0x194 [ 215.122305][ T6680] gfs2_sys_fs_add+0x208/0x428 [ 215.123162][ T6680] gfs2_fill_super+0xe20/0x1a9c [ 215.124005][ T6680] get_tree_bdev+0x35c/0x54c [ 215.124854][ T6680] gfs2_get_tree+0x58/0x1b8 [ 215.125607][ T6680] vfs_get_tree+0x90/0x278 [ 215.126336][ T6680] do_new_mount+0x228/0x804 [ 215.127083][ T6680] path_mount+0x57c/0xfe8 [ 215.127844][ T6680] __arm64_sys_mount+0x488/0x5f8 [ 215.128629][ T6680] invoke_syscall+0x98/0x28c [ 215.129402][ T6680] el0_svc_common+0x13c/0x258 [ 215.130222][ T6680] do_el0_svc+0x5c/0x140 [ 215.130972][ T6680] el0_svc+0x78/0x1d0 [ 215.131685][ T6680] el0t_64_sync_handler+0xcc/0xe4 [ 215.132541][ T6680] el0t_64_sync+0x1a0/0x1a4 [ 215.137185][ T6680] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.139721][ T6680] gfs2: fsid=](_: error -17 adding sysfs files [ 215.269225][ T6683] loop1: detected capacity change from 0 to 32768 [ 215.374407][ T6683] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 215.375667][ T6683] CPU: 1 PID: 6683 Comm: syz.1.654 Not tainted syzkaller #0 [ 215.377068][ T6683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 215.378995][ T6683] Call trace: [ 215.379532][ T6683] dump_backtrace+0x0/0x458 [ 215.380280][ T6683] show_stack+0x2c/0x3c [ 215.380978][ T6683] __dump_stack+0x30/0x40 [ 215.381690][ T6683] dump_stack_lvl+0xf4/0x15c [ 215.382440][ T6683] dump_stack+0x1c/0x5c [ 215.383194][ T6683] sysfs_create_dir_ns+0x244/0x264 [ 215.384041][ T6683] kobject_add_internal+0x594/0xc2c [ 215.384937][ T6683] kobject_init_and_add+0x128/0x194 [ 215.385787][ T6683] gfs2_sys_fs_add+0x208/0x428 [ 215.386565][ T6683] gfs2_fill_super+0xe20/0x1a9c [ 215.387445][ T6683] get_tree_bdev+0x35c/0x54c [ 215.388250][ T6683] gfs2_get_tree+0x58/0x1b8 [ 215.389027][ T6683] vfs_get_tree+0x90/0x278 [ 215.389753][ T6683] do_new_mount+0x228/0x804 [ 215.390539][ T6683] path_mount+0x57c/0xfe8 [ 215.391296][ T6683] __arm64_sys_mount+0x488/0x5f8 [ 215.392113][ T6683] invoke_syscall+0x98/0x28c [ 215.392911][ T6683] el0_svc_common+0x13c/0x258 [ 215.393697][ T6683] do_el0_svc+0x5c/0x140 [ 215.394420][ T6683] el0_svc+0x78/0x1d0 [ 215.395075][ T6683] el0t_64_sync_handler+0xcc/0xe4 [ 215.395896][ T6683] el0t_64_sync+0x1a0/0x1a4 [ 215.407640][ T6683] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.409777][ T6683] gfs2: fsid=](_: error -17 adding sysfs files [ 215.635092][ T6686] loop1: detected capacity change from 0 to 32768 [ 215.680600][ T6686] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 215.681901][ T6686] CPU: 0 PID: 6686 Comm: syz.1.655 Not tainted syzkaller #0 [ 215.683016][ T6686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 215.684796][ T6686] Call trace: [ 215.685397][ T6686] dump_backtrace+0x0/0x458 [ 215.686308][ T6686] show_stack+0x2c/0x3c [ 215.687067][ T6686] __dump_stack+0x30/0x40 [ 215.687853][ T6686] dump_stack_lvl+0xf4/0x15c [ 215.688661][ T6686] dump_stack+0x1c/0x5c [ 215.689448][ T6686] sysfs_create_dir_ns+0x244/0x264 [ 215.690311][ T6686] kobject_add_internal+0x594/0xc2c [ 215.691188][ T6686] kobject_init_and_add+0x128/0x194 [ 215.692059][ T6686] gfs2_sys_fs_add+0x208/0x428 [ 215.692842][ T6686] gfs2_fill_super+0xe20/0x1a9c [ 215.693648][ T6686] get_tree_bdev+0x35c/0x54c [ 215.694580][ T6686] gfs2_get_tree+0x58/0x1b8 [ 215.695461][ T6686] vfs_get_tree+0x90/0x278 [ 215.696246][ T6686] do_new_mount+0x228/0x804 [ 215.696987][ T6686] path_mount+0x57c/0xfe8 [ 215.697761][ T6686] __arm64_sys_mount+0x488/0x5f8 [ 215.698634][ T6686] invoke_syscall+0x98/0x28c [ 215.699440][ T6686] el0_svc_common+0x13c/0x258 [ 215.700248][ T6686] do_el0_svc+0x5c/0x140 [ 215.700977][ T6686] el0_svc+0x78/0x1d0 [ 215.701686][ T6686] el0t_64_sync_handler+0xcc/0xe4 [ 215.702580][ T6686] el0t_64_sync+0x1a0/0x1a4 [ 215.705147][ T6686] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.707164][ T6686] gfs2: fsid=](_: error -17 adding sysfs files [ 215.838929][ T6689] loop1: detected capacity change from 0 to 32768 [ 215.846424][ T6689] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 215.847787][ T6689] CPU: 1 PID: 6689 Comm: syz.1.656 Not tainted syzkaller #0 [ 215.849018][ T6689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 215.850936][ T6689] Call trace: [ 215.851528][ T6689] dump_backtrace+0x0/0x458 [ 215.852303][ T6689] show_stack+0x2c/0x3c [ 215.852995][ T6689] __dump_stack+0x30/0x40 [ 215.853721][ T6689] dump_stack_lvl+0xf4/0x15c [ 215.854555][ T6689] dump_stack+0x1c/0x5c [ 215.855297][ T6689] sysfs_create_dir_ns+0x244/0x264 [ 215.856170][ T6689] kobject_add_internal+0x594/0xc2c [ 215.857064][ T6689] kobject_init_and_add+0x128/0x194 [ 215.857926][ T6689] gfs2_sys_fs_add+0x208/0x428 [ 215.858714][ T6689] gfs2_fill_super+0xe20/0x1a9c [ 215.859620][ T6689] get_tree_bdev+0x35c/0x54c [ 215.860370][ T6689] gfs2_get_tree+0x58/0x1b8 [ 215.861036][ T6689] vfs_get_tree+0x90/0x278 [ 215.861820][ T6689] do_new_mount+0x228/0x804 [ 215.862583][ T6689] path_mount+0x57c/0xfe8 [ 215.863340][ T6689] __arm64_sys_mount+0x488/0x5f8 [ 215.864237][ T6689] invoke_syscall+0x98/0x28c [ 215.865043][ T6689] el0_svc_common+0x13c/0x258 [ 215.865813][ T6689] do_el0_svc+0x5c/0x140 [ 215.866546][ T6689] el0_svc+0x78/0x1d0 [ 215.867208][ T6689] el0t_64_sync_handler+0xcc/0xe4 [ 215.868145][ T6689] el0t_64_sync+0x1a0/0x1a4 [ 215.869515][ T6689] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.871851][ T6689] gfs2: fsid=](_: error -17 adding sysfs files [ 216.001607][ T6692] loop1: detected capacity change from 0 to 32768 [ 216.051218][ T6692] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 216.052398][ T6692] CPU: 0 PID: 6692 Comm: syz.1.657 Not tainted syzkaller #0 [ 216.053745][ T6692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 216.055404][ T6692] Call trace: [ 216.055965][ T6692] dump_backtrace+0x0/0x458 [ 216.056648][ T6692] show_stack+0x2c/0x3c [ 216.057437][ T6692] __dump_stack+0x30/0x40 [ 216.058165][ T6692] dump_stack_lvl+0xf4/0x15c [ 216.058881][ T6692] dump_stack+0x1c/0x5c [ 216.059561][ T6692] sysfs_create_dir_ns+0x244/0x264 [ 216.060481][ T6692] kobject_add_internal+0x594/0xc2c [ 216.061414][ T6692] kobject_init_and_add+0x128/0x194 [ 216.062353][ T6692] gfs2_sys_fs_add+0x208/0x428 [ 216.063163][ T6692] gfs2_fill_super+0xe20/0x1a9c [ 216.063973][ T6692] get_tree_bdev+0x35c/0x54c [ 216.064748][ T6692] gfs2_get_tree+0x58/0x1b8 [ 216.065487][ T6692] vfs_get_tree+0x90/0x278 [ 216.066226][ T6692] do_new_mount+0x228/0x804 [ 216.067014][ T6692] path_mount+0x57c/0xfe8 [ 216.067713][ T6692] __arm64_sys_mount+0x488/0x5f8 [ 216.068545][ T6692] invoke_syscall+0x98/0x28c [ 216.069299][ T6692] el0_svc_common+0x13c/0x258 [ 216.070080][ T6692] do_el0_svc+0x5c/0x140 [ 216.070781][ T6692] el0_svc+0x78/0x1d0 [ 216.071471][ T6692] el0t_64_sync_handler+0xcc/0xe4 [ 216.072442][ T6692] el0t_64_sync+0x1a0/0x1a4 [ 216.076393][ T6692] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.078381][ T6692] gfs2: fsid=](_: error -17 adding sysfs files [ 216.209272][ T6695] loop1: detected capacity change from 0 to 32768 [ 216.260618][ T6695] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 216.261926][ T6695] CPU: 1 PID: 6695 Comm: syz.1.658 Not tainted syzkaller #0 [ 216.263216][ T6695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 216.264961][ T6695] Call trace: [ 216.265513][ T6695] dump_backtrace+0x0/0x458 [ 216.266280][ T6695] show_stack+0x2c/0x3c [ 216.267054][ T6695] __dump_stack+0x30/0x40 [ 216.267778][ T6695] dump_stack_lvl+0xf4/0x15c [ 216.268575][ T6695] dump_stack+0x1c/0x5c [ 216.269301][ T6695] sysfs_create_dir_ns+0x244/0x264 [ 216.270194][ T6695] kobject_add_internal+0x594/0xc2c [ 216.271214][ T6695] kobject_init_and_add+0x128/0x194 [ 216.272131][ T6695] gfs2_sys_fs_add+0x208/0x428 [ 216.273004][ T6695] gfs2_fill_super+0xe20/0x1a9c [ 216.273881][ T6695] get_tree_bdev+0x35c/0x54c [ 216.274623][ T6695] gfs2_get_tree+0x58/0x1b8 [ 216.275411][ T6695] vfs_get_tree+0x90/0x278 [ 216.276193][ T6695] do_new_mount+0x228/0x804 [ 216.276944][ T6695] path_mount+0x57c/0xfe8 [ 216.277688][ T6695] __arm64_sys_mount+0x488/0x5f8 [ 216.278506][ T6695] invoke_syscall+0x98/0x28c [ 216.279433][ T6695] el0_svc_common+0x13c/0x258 [ 216.280319][ T6695] do_el0_svc+0x5c/0x140 [ 216.281085][ T6695] el0_svc+0x78/0x1d0 [ 216.281790][ T6695] el0t_64_sync_handler+0xcc/0xe4 [ 216.282786][ T6695] el0t_64_sync+0x1a0/0x1a4 [ 216.283904][ T6695] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.286509][ T6695] gfs2: fsid=](_: error -17 adding sysfs files [ 216.416119][ T6698] loop1: detected capacity change from 0 to 32768 [ 216.491748][ T6698] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 216.493209][ T6698] CPU: 0 PID: 6698 Comm: syz.1.659 Not tainted syzkaller #0 [ 216.494511][ T6698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 216.496148][ T6698] Call trace: [ 216.496667][ T6698] dump_backtrace+0x0/0x458 [ 216.497425][ T6698] show_stack+0x2c/0x3c [ 216.498142][ T6698] __dump_stack+0x30/0x40 [ 216.498894][ T6698] dump_stack_lvl+0xf4/0x15c [ 216.499640][ T6698] dump_stack+0x1c/0x5c [ 216.500365][ T6698] sysfs_create_dir_ns+0x244/0x264 [ 216.501266][ T6698] kobject_add_internal+0x594/0xc2c [ 216.502125][ T6698] kobject_init_and_add+0x128/0x194 [ 216.503134][ T6698] gfs2_sys_fs_add+0x208/0x428 [ 216.503966][ T6698] gfs2_fill_super+0xe20/0x1a9c [ 216.504872][ T6698] get_tree_bdev+0x35c/0x54c [ 216.505683][ T6698] gfs2_get_tree+0x58/0x1b8 [ 216.506402][ T6698] vfs_get_tree+0x90/0x278 [ 216.507161][ T6698] do_new_mount+0x228/0x804 [ 216.507961][ T6698] path_mount+0x57c/0xfe8 [ 216.508682][ T6698] __arm64_sys_mount+0x488/0x5f8 [ 216.509563][ T6698] invoke_syscall+0x98/0x28c [ 216.510407][ T6698] el0_svc_common+0x13c/0x258 [ 216.511169][ T6698] do_el0_svc+0x5c/0x140 [ 216.511914][ T6698] el0_svc+0x78/0x1d0 [ 216.512641][ T6698] el0t_64_sync_handler+0xcc/0xe4 [ 216.513429][ T6698] el0t_64_sync+0x1a0/0x1a4 [ 216.514503][ T6698] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.516792][ T6698] gfs2: fsid=](_: error -17 adding sysfs files [ 216.644181][ T6701] loop1: detected capacity change from 0 to 32768 [ 216.733439][ T6701] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 216.734725][ T6701] CPU: 0 PID: 6701 Comm: syz.1.660 Not tainted syzkaller #0 [ 216.736001][ T6701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 216.737605][ T6701] Call trace: [ 216.738154][ T6701] dump_backtrace+0x0/0x458 [ 216.738912][ T6701] show_stack+0x2c/0x3c [ 216.739587][ T6701] __dump_stack+0x30/0x40 [ 216.740354][ T6701] dump_stack_lvl+0xf4/0x15c [ 216.741277][ T6701] dump_stack+0x1c/0x5c [ 216.742151][ T6701] sysfs_create_dir_ns+0x244/0x264 [ 216.743087][ T6701] kobject_add_internal+0x594/0xc2c [ 216.744003][ T6701] kobject_init_and_add+0x128/0x194 [ 216.745070][ T6701] gfs2_sys_fs_add+0x208/0x428 [ 216.745982][ T6701] gfs2_fill_super+0xe20/0x1a9c [ 216.746798][ T6701] get_tree_bdev+0x35c/0x54c [ 216.747545][ T6701] gfs2_get_tree+0x58/0x1b8 [ 216.748316][ T6701] vfs_get_tree+0x90/0x278 [ 216.749153][ T6701] do_new_mount+0x228/0x804 [ 216.749939][ T6701] path_mount+0x57c/0xfe8 [ 216.750706][ T6701] __arm64_sys_mount+0x488/0x5f8 [ 216.751562][ T6701] invoke_syscall+0x98/0x28c [ 216.752315][ T6701] el0_svc_common+0x13c/0x258 [ 216.753122][ T6701] do_el0_svc+0x5c/0x140 [ 216.753946][ T6701] el0_svc+0x78/0x1d0 [ 216.754633][ T6701] el0t_64_sync_handler+0xcc/0xe4 [ 216.755464][ T6701] el0t_64_sync+0x1a0/0x1a4 [ 216.758044][ T6701] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.760274][ T6701] gfs2: fsid=](_: error -17 adding sysfs files [ 216.819477][ T27] INFO: task syz-executor:4698 blocked for more than 143 seconds. [ 216.820803][ T27] Not tainted syzkaller #0 [ 216.821685][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 216.823289][ T27] task:syz-executor state:D stack: 0 pid: 4698 ppid: 1 flags:0x00000001 [ 216.824828][ T27] Call trace: [ 216.825351][ T27] __switch_to+0x2f4/0x540 [ 216.826114][ T27] __schedule+0xe20/0x1c6c [ 216.826923][ T27] schedule+0x11c/0x1c8 [ 216.827634][ T27] bit_wait+0x1c/0xac [ 216.828297][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 216.829178][ T27] gfs2_glock_nq+0x8dc/0x13d0 [ 216.839425][ T27] __gfs2_lookup+0x120/0x28c [ 216.840201][ T27] gfs2_lookup+0x2c/0x3c [ 216.840850][ T27] __lookup_slow+0x25c/0x39c [ 216.841603][ T27] lookup_slow+0x60/0x84 [ 216.842302][ T27] walk_component+0x2b8/0x3b8 [ 216.843095][ T27] path_lookupat+0x168/0x3f0 [ 216.843891][ T27] filename_lookup+0x1c8/0x478 [ 216.844754][ T27] user_path_at_empty+0x5c/0x1a0 [ 216.845579][ T27] __arm64_sys_umount+0xf8/0x184 [ 216.846496][ T27] invoke_syscall+0x98/0x28c [ 216.847253][ T27] el0_svc_common+0x13c/0x258 [ 216.848151][ T27] do_el0_svc+0x5c/0x140 [ 216.848906][ T27] el0_svc+0x78/0x1d0 [ 216.851599][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 216.854886][ T27] el0t_64_sync+0x1a0/0x1a4 [ 216.855656][ T27] [ 216.855656][ T27] Showing all locks held in the system: [ 216.856914][ T27] 1 lock held by khungtaskd/27: [ 216.857743][ T27] #0: ffff800014561460 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 216.862953][ T27] 2 locks held by getty/3803: [ 216.866778][ T27] #0: ffff0000d363c098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 216.868574][ T27] #1: ffff80001cf9b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf90 [ 216.870827][ T27] 1 lock held by syz-executor/4698: [ 216.871729][ T27] #0: ffff0000eec9a338 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 216.873565][ T27] [ 216.874007][ T27] ============================================= [ 216.874007][ T27] [ 216.875572][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 216.876887][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 216.878099][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 216.879794][ T27] Call trace: [ 216.880364][ T27] dump_backtrace+0x0/0x458 [ 216.881147][ T27] show_stack+0x2c/0x3c [ 216.881850][ T27] __dump_stack+0x30/0x40 [ 216.882721][ T27] dump_stack_lvl+0xf4/0x15c [ 216.883568][ T27] dump_stack+0x1c/0x5c [ 216.884368][ T27] panic+0x2fc/0x860 [ 216.885120][ T27] hung_task_panic+0x0/0x2c [ 216.885924][ T27] kthread+0x37c/0x460 [ 216.886679][ T27] ret_from_fork+0x10/0x20 [ 216.887556][ T27] SMP: stopping secondary CPUs [ 216.888504][ T27] Kernel Offset: disabled [ 216.889303][ T27] CPU features: 0xa,000003c1,7d33ffd9 [ 216.890370][ T27] Memory Limit: none [ 217.229927][ T27] Rebooting in 86400 seconds..